KICE Venturi-Jet User manual
1
Kice Industries, Inc. 012420 / FLT-M02-0004
Operators Manual
Venturi-Jet Filter
Skilled Air for Industry
Special execution, intended for use in potentially explosive atmosphere (zone 22) in conformity with category 3 of group II,
according to the European ATEX Directive 2014/34/EU. The equipment has the following marking:
FLT-M02-0004
amb
2
Kice Industries, Inc. 012420 / FLT-M02-0004
When you purchased your new Kice Venturi-Jet filter, you bought an air cleaning device that has
proven its reliability based on hundreds of installations and years of dependable service.
We are proud of our products and the people at Kice Industries who craft them. At Kice, we use high
manufacturing standards and processes to produce superior quality products, which have been a
trademark of our organization for over 60 years.
The results of our development work, driven by input from our customers, has resulted in the present
design of the Kice Venturi-Jet Filter.
This owner’s manual is intended as a guide for proper installation, operation and maintenance to keep
your Kice filter operating safely and eciently on the job. Service and spare parts information is also
included for your benefit.
Sincerely,
Drew Kice
President
Kice Industries, Inc.
Warranty
The Company (Kice Industries, Inc.) warrants the equipment manufactured by the Company to be free
of defects in material and workmanship for a period of one year from the date of shipment. Company
agrees to repair or replace, at its option, any parts found to be defective in the opinion of the Company.
Company is not liable for any costs in connection with the removal, shipment or reinstallation of said
parts. This warranty does not apply to abrasion, corrosion, or erosion.
Purchaser agrees to look to the warranty, if any, of the manufacturer or supplier of equipment
manufactured by others and supplied to the Company for any alleged defects in such equipment and
for any damages or injuries caused thereby or as a result thereof.
PURCHASER SHALL BE RESPONSIBLE FOR COMPLIANCE WITH ELECTRICAL
COMPONENT MANUFACTURER’S RECOMMENDATIONS, UNDERWRITERS CODE
AND ALL SAFETY PRECAUTIONS.
The only warranty extended under this agreement is the above express warranty and there are no
other warranties, express or implied, including warranties of merchantability, fitness for a particular
purpose or otherwise which extends beyond the face hereof. The Company and its dealers shall not in
any event be liable for consequential or incidental damages and this agreement provides purchaser’s
sole and exclusive remedy. Any actions for breach of this agreement or warranty must be commenced
within one year after the cause of action has occurred.
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Kice Industries, Inc. 012420 / FLT-M02-0004
4
Kice Industries, Inc. 012420 / FLT-M02-0004
Important Kice Venturi-Jet filter Information
Write down the MODEL and SERIAL NUMBER of the Kice Venturi-Jet filter, along with the same
information for the auxiliary equipment. (Airlock valves, fans, speed reducers, motors, and sheaves
size, type and any special modifications to standard).
For additional information, application assistance or special service, please contact us by phone at
Kice Venturi-Jet filter. For ready reference, please record this information and the date of delivery or
installation on the lines below. See the General Information section for the location of model and serial
number.
Model
Serial Number
Date of Delivery or Installation / /
Additional Notes:
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Kice Industries, Inc. 012420 / FLT-M02-0004
To The Owner
The purpose of this manual is to assist owners and operators in maintaining and operating the Kice
Venturi-Jet filter. Please read it carefully; information and instructions furnished can help you achieve
years of dependable performance. Separate manuals are included for auxiliary equipment that make
up an air system, such as airlock valves, cyclones and fans. They contain additional information that
may not be repeated in this manual. Please contact the Kice Customer Service Department if additional
manuals are needed.
Using This Manual
General operation and maintenance guidelines are outlined for owners and operators of Kice
Venturi-Jet filters. Operating conditions vary considerably and cannot be addressed individually.
Through experience however, operators should have no diculty in developing good operating, safety
and monitoring skills.
The terms “disconnect and lockout” or “lockout/tagout” as used in this manual means that power
to the Kice Venturi-Jet filter has been disconnected through the use of a padlockable, manual power
cuto or power lockout switch pursuant to 29CFR1910.147.
Directions used in this manual, for example RIGHT or LEFT, CLOCKWISE or COUNTERCLOCKWISE,
refer to directions when facing the door of the filter located under the reverse jet cleaning mechanism.
Photographs and illustrations were current at the time of printing but subsequent production changes
may cause your Kice Venturi-Jet filter to vary slightly in detail. Kice Industries, Inc. reserves the right to
redesign and change the filter as deemed necessary, without notification. If a change has been made
to your Kice Venturi-Jet filter that is not reflected in this owner’s manual or the illustrated Parts Lists,
write or call Kice Industries, Inc. for current information and parts.
Model and Serial Number
The model of the filter, serial number and date of manufacture can be found stamped on the metal
identification plate (see Figure 1) located on the housing, next to the access door (see Figure 2).
KICE Industries, Inc.
5500 N. Mill Heights Drive
Wichita, KS 67219
USA
Venturi Jet Filter
< <
Kice Industries, Inc. 012420 / FLT-M02-0004
Kice Venturi-Jet Filter Parts and Service
Use original Kice Venturi-Jet filter replacement parts only. These parts are available from Kice
Industries, Inc. only. To obtain prompt, ecient service always provide the following information when
ordering parts:
1. Correct part description and number as shown in the Filter Maintenance and Service section of this
manual.
2. Correct model number.
3. Correct serial number.
For service or assistance ordering parts, contact the Customer Service Department or Quick Ship
Department.
Kice Industries, Inc.
5500 Mill Heights Drive
Wichita, Kansas 67219-2358
Toll Free: (877) 289-5423
Main Phone: (316) 744-7151
Fax: (316) 744-7355
IMPORTANT: Any unauthorized modification, alteration or use of non-approved attachments or drive
units voids the warranty and releases Kice Industries, Inc. from any liability arising from subsequent
use of this equipment. Each Kice Venturi-Jet filter is configured to be used in a specific type of system,
handling particular types of material. Using a Kice Venturi-Jet filter for any purpose other than that for
which it was designed could result in personal injury as well as product or property damage.
Figure 2
Figure 1
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Kice Industries, Inc. 012420 / FLT-M02-0004
Kice equipment is designed and built to provide years of operation. As with any equipment, the
following rules are essential for trouble-free operation:
• Proper installation.
• Regular maintenance.
• Correct operation within original design parameters.
• Proper application within a process.
Failure to properly install, maintain or operate Kice equipment can result in a variety of problems,
including but not limited to: poor equipment performance, decreased equipment life, equipment
failure, or dangerous operating conditions.
Purchased items (such as speed reducers, motors, and positive pressure pumps) are covered by the
manufacturer’s warranty. If there is a problem with a purchased item, check with the local supplier or
service representative.
The Kice Industries product line includes a variety of equipment, all of which can be custom-made to
suit your application. Your Kice equipment was chose based on your specification of process,
product and your application requirements for capacity, operating conditions, operating parameters,
etc. It is essential that your Kice equipment be installed, maintained and operated under the conditions
for which it was originally designed and specified. Should your process needs change, please consult
with Kice Industries prior to utilizing the equipment under dierent conditions.
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Kice Industries, Inc. 012420 / FLT-M02-0004
Explosion Vents
Many fine dusts collected by filters are combustible. Most dusts can catch fire if three components are
present: fuel, ignition source and oxygen. Dust is the fuel, a spark or flame may provide the ignition
source, and air provides the oxygen. The deflagration index (Kst) and the maximum deflagration
pressure (Pmax) of a particular dust will determine the violence of the fire and the amount of destructive
force that has to be vented from the filter. This information, provided by the operator, will be used to
calculate the number of explosion vents required for Kice Filters.
The National Fire Protection Association (NFPA) provided comprehensive guidelines and standards for
dealing with explosive dusts and fires. The following publications provide valuable information on fire
and explosion protection and can be helpful to insure your facility is properly equipped.
• NFPA 652 – Standard on the Fundamentals of Combustible Dust
• NFPA 61 - Standard for the Prevention of Fires and Dust Explosions in Agricultural and Food
Processing Facilities
• NFPA 68 - Standard on Explosion Protection by Deflagration Venting
• NFPA 69 - Standard on Explosion Prevention Systems
• NFPA 77 - Recommended Practice on Static Electricity
• NFPA 654 - Standard for the Prevention of Fire and Dust Explosions from the Manufacturing,
Processing, and Handling of Combustible Particulate Solids
• NFPA 664 - Standard for the Prevention of Fires and Explosions in Wood Processing and
Woodworking Facilities
This is not a comprehensive list of standards for all applications. These and other standards and
guidelines from the NFPA that may be applicable for your facility can be ordered or viewed at
http://www.nfpa.org.
KICE INDUSTRIES, INC.
JOB# 244416
DECAL SIZE WILL BE 4.0" X 6.0"
WILL SCREEN ORANGE AND BLACK
ON WHITE VINYL
WARNING
ENTRY IN CONFINED
SPACE COULD CAUSE
SEVERE INJURY OR DEATH
FOLLOW
CONFINED SPACE
ENTRY PROCEDURES
EMC 32 46 B1 VG
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Kice Industries, Inc. 012420 / FLT-M02-0004
KICE INDUSTRIES, INC.
JOB# 305393
DECAL SIZE WILL BE 6.0" X 4.0"
WILL SCREEN RED AND BLACK
ON WHITE VINYL
DANGER
EXPLOSION RELEASE
WILL CAUSE SEVERE
INJURY OR DEATH
AVOID AREA AROUND
EXPLOSION VENT
DURING OPERATION
EMC 12 64
EMC 12 64
Safety Symbols
Hazard Levels
The following definitions are used to identify hazard levels:
This safety alert symbol is used to call your attention to an important safety message on
equipment, safety decals and in manuals, to warn you of possible danger to your personal
safety. When you see this symbol, be alert. Your personal safety or the safety of others may
be aected. Follow the instructions in the safety message.
Safety Decals
The Kice Venturi-Jet filter decals should not be removed, covered, painted or otherwise become
illegible. If this occurs they should be replaced immediately. Contact Kice Industries, Inc. Customer
Service Department for replacements.
The following safety decals will be located on the Kice Venturi-Jet filter. Look for them!
DANGER (RED) – Danger is used to indicate the presence of a hazard that WILL cause
SEVERE personal injury, death or substantial property damage if the warning is ignored.
WARNING (ORANGE) – Warning is used to indicate the presence of a hazard that CAN
cause SEVERE personal injury, death or substantial property damage if the warning is
ignored.
CAUTION (YELLOW) – Caution is used to indicate the presence of a hazard that WILL or
CAN cause MINOR personal injury or property damage if the warning is ignored.
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Kice Industries, Inc. 012420 / FLT-M02-0004
S P
•
29CFR1910.147, local enforcement authorities, OSHA, and facility safety practices, before removing any protective
cover, guard, grate or maintenance gate.
•
you have been thoroughly trained in its use by your employer.
•
Experienced employees should receive refresher training for potential hazards and up to date training records should
be maintained at the job site.
• Assume at all times that power is “on”. Treat all conditions as live. This practice ensures a cautious approach that may
prevent an accident or injury.
• Before applying power to any equipment, make certain that all personnel are clear of the machine.
• Operate safely at all times. Use personal protective equipment when and where appropriate, such as hard hats,
personal protective equipment in good repair and convenient to the operator.
•
and fall arresters must be worn by personnel.
•
after all pipes and hoses, including upstream and downstream components, have been completely connected to the
piping system. This will prevent human access while the machine is running.
•
maintenance panels are in place and securely fastened.
• All protective covers, guards, grates, maintenance panels, switches and warning decals must be kept in place and in
good repair. Any equipment with a damaged malfunctioning, defective, or missing protective device must be taken out
of service until the protective device can be repaired or replaced.
•
it is in need of service, lubrication, maintenance or repair.
•
•
device must be installed to achieve this.
• The compressed air supply must be disconnected from the system before service and repair work is carried out. The
company (operator) of the overall system.
•
•
WARNING: All owners and operators should read this manual and be instructed in safe
operating and maintenance procedures before attempting to uncrate, install, operate, adjust
or service this equipment.
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Kice Industries, Inc. 012420 / FLT-M02-0004
•
logged daily by supervisory personnel.
•
•
isolation valve and device.
•
hazardous environments unless properly equipped for the hazard.
•
personnel.
•
• The Operator must ensure that all piping and connections are laid away from access routes, ladders and steps.
• Adequate and proper lighting must be provided at the equipment location.
• Do not use a ladder or work platform unless it is in good repair and rated for the load required to complete required
•
•
repair.
•
• The operator must ensure that adequate lighting conditions are provided at the location of equipment operation.
•
the machine to ensure proper and consistent operation. A material separator should be installed on the raw gas inlet.
•
hazards and plant safety procedures. Special emphasis should be placed on the use of explosion proof electrical,
cutting, or welding tools where required.
• Free outlet of product must be guaranteed at all times. Otherwise, blockage and severe damage may result, or a
dangerous situation may occur.
•
dirty air chamber before the service entrance is opened. This is to prevent zone entrainment and mitigate the risk of a
potential event outside the system.
• Drive components must be inspected and adjusted after transportation and periodically as required by operating
conditions. Check sprocket, sheave and coupling alignment and spacing, drive belt tension, setscrews, keys,
fasteners, bearings, shafts, and motors as appropriate to job conditions.
•
• It cannot be assumed that every acceptable safety procedure is contained herein or that abnormal or unusual
circumstances may not warrant or require additional procedures.
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Kice Industries, Inc. 012420 / FLT-M02-0004
The Kice Venturi-Jet filter has been inspected at Kice and should be in excellent condition upon
delivery. A thorough customer inspection of the Kice Venturi-Jet filter should be completed upon
receipt to verify its condition.
The Kice Venturi-Jet filter and accessories should be inspected upon receipt for any shipping damage.
Check for free operation of all moving parts before signing o on the receiver.
NOTICE: Delivery inspection should be completed before signing carrier’s release.
When a carrier signs the Kice Industries, Inc. bill of lading, the carrier accepts responsibility for any
subsequent shortages or damage, evident or concealed. Therefore any resulting claim must be made
against the carrier by the purchaser. Evident shortage or damage should be noted on the carrier’s
delivery document before signature of acceptance. Inspection by the carrier for damage, evident or
concealed, must be requested.
Complete a visual inspection paying particular attention to guards, overall external condition,
protrusions (i.e. mating flanges, attachment points, valves, etc.) and safety decals while the Kice
Venturi-Jet filter is still secured to freight platform.
Slab Mounted Units
A qualified engineer should design the foundation and/or footings for the filter. The slab should be
extended to support accessory equipment, such as a floor-mounted fan. The mass of the base must
maintain the fan/driver alignment, absorb normal vibration, and resist lateral loads. The overall
dimensions of the concrete base should extend at least six to twelve inches beyond the outline of
the filter base and other equipment. The weight of the slab in the area where high speed rotating
equipment is located should be two to three times the weight of the rotating assembly including the
motor. The foundation requires firmly anchored fasteners, such as anchor bolts, and guy wiring the tall
filter housing for wind load support. Hardware for anchoring the filter structure is generally not supplied
with the filter and should be procured by the installer.
NOTICE: The following instruction are intended to assist the installer with the assembly and erection of
their Kice Venturi-Jet filter but should not be considered a step-by-step instruction due to variations in
the supplied product and site location. These variations could be due to application, customer
specifications, orientations, etc. Any questions arising before or during installation should be directed
to your Kice sales representative for clarification and recommendations.
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Kice Industries, Inc. 012420 / FLT-M02-0004
Kice Venturi-Jet filters are shipped in many dierent configurations. Some units are completely
assembled and skidded when size permits. These units may be handled and moved using good
rigging techniques, being careful to avoid concentrated stresses that will distort any of the parts. Items
or parts of the filter that are shipped knocked down will be clearly labeled for reassemble. If the filter is
not to be installed promptly, store it in a clean, dry location to prevent rust and corrosion of steel
components. If outdoor storage is necessary, protection should be provided. Cover any openings to
prevent the accumulation of dirt and moisture inside the housing. Cover motors with waterproof
material. Refer to the motor maintenance information for further storage instructions.
Installation
1. Move the Kice Venturi-Jet filter to the installation area
using proper equipment. Lift only by lugs indicated (see
Figure 3).
2. Check the mating surfaces of the bin or filter hopper
flange and the filter housing flange. They should be free of
any foreign materials.
3. Place two beads of caulking on the flange of the bin or
hopper (on each side of the bolt holes and around each
hole) and mount the filter housing.
4. If an airlock valve is required, it should be mounted to the hopper discharge flange or sight glass as-
sembly. Additional support may be required.
5. Tighten all fasteners securely. To insure proper operation, the filter must be adequately supported
and properly installed. All duct work or stacks should be independently supported as excess weight
may distort the filter housing and cause contact between moving parts. When installing outdoors,
care must be taken to guy wire the unit in order to handle the wind loading. Contact Kice Industries,
Inc., for the proper location and adjustment.
6. Anchor the base of the ladder to the concrete pad. Use shims as required to ensure the base of the
ladder is flush with the pad. Depending on the span of the ladder there may be support bracing that
will attach the ladder to the filter housing or structure. Make sure all of the support braces are connect-
ed and secure before using the ladder.
WARNING: Use appropriate equipment when lifting or moving the Kice Venturi-Jet filter.
Make sure all persons and obstructions are clear from the path and installation area. When
installing the equipment, make sure the moving parts inside the equipment are not
accessible. This also fulfills EN ISO 13857-1 where required.
CAUTION: Ladder is not safe to use until all components and braces are properly installed.
Lifting Points
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Kice Industries, Inc. 012420 / FLT-M02-0004
WARNING: High voltage and rotating parts can cause serious or fatal injury. Only qualified
personnel should perform installation, operation and maintenance of electrical machinery.
Make sure that any electric motor and the frame of the filter is eectively grounded in
accordance with OSHA standards, the National Electrical Code and local codes.
7. Connect the high pressure air supply to the filter air tank, utilizing the pressure regulator, filter and
valve(s), if required.
8. The Kice Venturi-Jet filter controller is normally mounted adjacent to the Kice Venturi-Jet filter hous-
ing access door. However, it can be mounted in any convenient location. Orientation of the
controller does not aect its performance.
9. Electrical conduit and junction tees (one at each Kice Venturi-Jet solenoid valve) are furnished with
each filter. On filters with one air tank, the electrical manifold is pre-wired from the solenoids directly to
the control box. On filters with two or more air tanks, each tank has an electrical manifold that is pre-
wired from the solenoids to a junction box. Each air tank has its own junction box. A local electrician
must run a conduit from the control box to each junction box on the filter. Wiring from the controller to
the junction box terminals should be #18 gauge. One wire from each solenoid is
connected to the corresponding terminal on the terminal strip. The second wire for each solenoid is
connected to the common/neutral lead. For ease in assembly, a white wire should be used for the com-
mon/neutral lead. Wires of any color other than white or green can be used for the hot lines (number-
ing each end may be helpful).
NOTICE: Reference Figure 14 in the Operating Logic section for example wiring diagram.
10. The sequence controller is not dependent on the successful firing of the Kice Venturi-Jet blast valve
to advance to the next valve in sequence. If, for any reason, a Kice Venturi-Jet blast valve does not fire,
the controller will continue to time out the “o” time and activate the next valve in sequence.
11. Some systems will have a fan and airlock valve to be connected. Verify that the fan and airlock rota-
tion direction is correct as marked.
12. Test run the filter. If any unusual noises occur, disconnect and lock out the power. Check the fan,
airlock valve and screw conveyor, if furnished.
13. Reassemble any doors or covers removed during installation.
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Kice Industries, Inc. 012420 / FLT-M02-0004
Installing / Replacing Bags and Cages - Accessing Dirty Air Chamber
1. Locate proper cleaning platform (see Figure 5.1 and 5.2).
2. Remove any filter bags that may interfere with the position of the cleaning platform inside the cham-
ber.
3. Place cleaning platform inside the filter access door as shown (see Figure 6.1 and 6.2). For door
mount platform, make sure the tabs on both sides of the cleaning platform are on the outside of the
door frame. Check to make sure the cleaning platform is level and secure. The platform should not rest
against or interfere with any filter bags inside the chamber.
NOTICE: A hook is located on the bottom of the tube sheet that may be used to provide additional
balance and stability when accessing the dirty air chamber (see Figure 4).
WARNING: The hook on the bottom of the tube sheet is not intended to be a tie o point for
a fall arrest system.
Stability Hook
Kice Industries, Inc. 012420 / FLT-M02-0004
NOTICE: Two platforms may be used in conjunction when using rail mount system.
NOTICE: Kice Industries, Inc., will always supply internal safety grating in the bottom of the filter
housing if it is to be mounted onto a storage bin, to prevent personnel, bags and cages from dropping
into the storage bin.
Tabs Mounted Outside
of Door Frame
Place platform on rails
Door Mount Platform
Rail Mount Platform
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Kice Industries, Inc. 012420 / FLT-M02-0004
Installing / Replacing Bags and Cages - Bottom Load
1. Slip the filter bag over the wire cage retainer until the bottom of the bag is in contact with the
bottom of the retainer. The filter media seam should be located 180 degrees from the gap in the re-
tainer sleeve (see Figure 7).
2. Check the filter bag for proper length. The filter bag
should be only 2” longer than the bag retainer cage.
3. Tuck the overextended portion of the filter media inside
the retainer sleeve (see Figure 8).
4. Place the clamp over the bag and locate the clamp
approximately in the middle of the retainer sleeve. The
clamp head should not be placed over the seam or over
the gap in the retainer sleeve (see Figure 9).
Seam
Compression Gap
Middle of Retainer Sleeve
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Kice Industries, Inc. 012420 / FLT-M02-0004
5. Slip the retainer/bag/clamp assembly over a collar in the tube
sheet (see Figure 10).
6. Match the groove in the retainer sleeve with the groove in the
tube sheet collar to prevent the assembly from slipping o (see
Figure 11).
7. Tighten the clamp with either a screwdriver, a nut runner with
a 5/16” socket, or a ratchet with an extension (which will help
facilitate the installation). It is very important to tighten the clamp
very firmly so as to prevent the assembly from leaking or slipping
o the tube collar.
8. Shake the bag and cage assembly by hand and retighten
the clamp.
Tube Sheet Collar
Align Grooves
19
Kice Industries, Inc. 012420 / FLT-M02-0004
Early day filters were simply dust chambers with cloth bags that had to be cleaned manually by shaking
or rapping the bags to remove the dust. Mechanical shakers were devised to do the same thing, but
compressed air jets provided a more positive cleaning eect. It is necessary to operate the cleaning
jets at approximately 100 psig of pressure in order to induce the supplementary air volume (through a
venturi) needed to provide adequate bag cleaning. The compressed air needs to be clean, dry, and oil
free.
The compressed air is piped to the air tank mounted on the side of the filter, next to the clean air
chamber. The Kice Venturi-Jet blast valves are located between the air tank and the manifold lines that
run inside the clean air chamber above the filter bags. Each bag has a venturi mounted to the tube
sheet above the open end of the bag. The air tank is filled with compressed air to a pressure of
80-100 psig, at which time an electric signal is sent to activate a solenoid on one of the Kice Venturi-Jet
blast valves. The valve opens and quickly discharges the tank of pressurized air through the manifold
and into the venturis located above each of the filter bags in that row. This pulse of air causes the dust
particles collected externally on the filter media to be dislodged and fall into the hopper. After an
adjustable amount of time, the controller cycles to the next Kice Venturi-Jet blast valve in sequence
and activates its solenoid, which releases air to clean the next row of filter bags.
The complete Kice Venturi-Jet filter control circuit is shown on the schematic located on page 21. The
Kice Venturi-Jet blast valves (see Figure 12) are mounted between the air tank and the cleaning
manifolds. The Kice Venturi-Jet blast valve is a 2 way, normally closed, diaphragm type valve utilizing a
spring and air pressure above the diaphragm to cause the diaphragm to seal. When the pressurized air
above the diaphragm is exhausted to the atmosphere through the solenoid valve, the diaphragm lifts
to the open position. The air in the tank is then discharged into the cleaning manifold in a fraction of a
second (the pulse duration is adjustable by the “on-time” setting in the control panel). When the
solenoid valve closes the pressure equalizes, allowing the diaphragm to close. As this high pressure jet
of air is fired through an orifice in the manifold and into the venturi located above the filter bag, the jet
of high-pressure air induces additional air from the clean air chamber to flow into the bag. This creates
a shock eect that dislodges dust and other foreign material that is caked on the outside of the filter
bag (see Figure 13).
Kice Venturi-Jet Blast Valve Discharged Air Creates
DCT1022DC
22
VM & VR Series
DCT1010
10
VS Series
DCT510ADC
10
VR & VS Series
Model # Number of Channels Filter Models
DCT610
10
VR Series
DCT622
22
VR132
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Kice Industries, Inc. 012420 / FLT-M02-0004
Operating Logic
The controller is an electronic, 100% solid-state board mounted in either a NEMA 4 or an explosion
proof enclosure.
The controller can function in two modes:
Continuous Mode: The pressure switch terminals are shorted. Upon application of input voltage, the
controller activates output #1 after the preset o time. It will continue to activate outputs
sequentially until input voltage is removed.
On Demand Mode: The pressure switch terminals are connected to an isolated set of contacts of a
dierential pressure switch. The controller will activate the outputs sequentially whenever the
pressure switch contacts are closed. When the pressure switch contacts open, the output
sequencing stops. Reclosing of the contacts will cause the controller to resume activating the
outputs.
A jumper wire allows the user to select the maximum number of outputs to be activated.
NOTICE: Controller is shipped with a jumper across the pressure switch terminals.
The Part Number of the Controllers Used Are:
Dwyer Instruments Timer Controller
2009 to Present:
Reference the Dwyer Electronic Controller Schematic (Figure 14) on page 21 for more detail.
The DCT610 and DCT622 both operate on 85 to 270 VAC/50 or 60 Hz. The DCT600 Timer
Controllers are mainly used for on-demand, pulse-jet type dust controllers or continuous
pneumatic conveying systems.
The DCT1010 and DCT1022DC operates on 24 VDC. The DCT100DC Dust Collector Timer
Controller series is mainly used for continuous cleaning or timer-controlled on-demand
cleaning.
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