CN206240190U - A kind of small-sized pulsed jet cloth filter - Google Patents
A kind of small-sized pulsed jet cloth filter Download PDFInfo
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- CN206240190U CN206240190U CN201621118735.5U CN201621118735U CN206240190U CN 206240190 U CN206240190 U CN 206240190U CN 201621118735 U CN201621118735 U CN 201621118735U CN 206240190 U CN206240190 U CN 206240190U
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Abstract
The utility model discloses a kind of small-sized pulsed jet cloth filter, belong to the sack cleaner in technical field of dust removal equipment, its object is to provide a kind of small-sized pulsed jet cloth filter for being provided with chamber off-line ash-clearing structure.It includes cylinder, air-purifying chamber in cylinder is by locellus separator lined into multiple net gas small chambers, seal cover board is provided with each net gas small chamber, negative pressure air air holes is offered on every piece of seal cover board, the other end of each net gas small chamber passes sequentially through negative pressure air air holes, exhaust channel and connected with exhaust outlet；Filter bag is provided with each net gas small chamber, the sack top of each filter bag is provided with and can be located at seal cover board lower section to the blowing device blown in correspondence filter bag, blowing device, and blowing device is connected with source of the gas by injection tube；Cylinder is provided with the position of each filter bag of correspondence on the top board of cylinder, being connected with the output shaft of cylinder can block the air holes pressing plate of correspondence negative pressure air air holes.The utility model is applied to sack cleaner.
Description
Technical field
The invention belongs to technical field of dust removal equipment, be related to a kind of sack cleaner, more particularly to it is a kind of have locellus from
The sack cleaner of line deashing function.
Background technology
Sack cleaner is essential visual plant in power production line, and its performance determines the product of production system
Amount and gas discharge index.Sack cleaner is a kind of dry type dust filtration device.It is applied to tiny, the dry, non-fiber of trapping
Dust.Dusty gas is filtered using the filtration of fabric, after dusty gas enters sack cleaner, particle
Greatly, heavy dust, because the effect of gravity settles down, falls into ash bucket, and the gas containing relatively fine dust is by filter
During material, dust is purified gas by detention.
Pulsed jet cloth filter is the improved new and effective pulse bag type dust collector on the basis of sack cleaner.For
Pulse bag type dust collector is further improved, the pulse bag type dust collector after improvement remains that purification efficiency is high, processing gas energy
Amount is big, stable performance, the advantages of easy to operate, life-span of the filter bag is long, maintenance load is small.
The patent of invention of Application No. 201520124644.1 discloses a kind of pulse bag locellus deduster, the pulse
The air-purifying chamber of cloth bag locellus deduster is divided into several net qi leel rooms, and the outlet of the net qi leel room of each of which corresponds to a spray
Blowing apparatus, each blowing device is constituted by several injection tubes, and several spouts are equipped with each injection tube, each
Individual spout faces the outlet of net qi leel room, and spout in each injection tube is controlled by a pulse valve.With it is existing
Technology is compared, and because the spout matrix of its blowing device is larger, therefore has very strong injection ability.So in identical dust collection capacity
Under, the quantity of net qi leel room can be greatly reduced than the quantity of net gas cell, can not only save some segmentation cells steel plate, reduce
Equipment cost, and also allow for installing and using.
Above-mentioned pulse bag locellus deduster divides the cylinder lumen of deduster as existing pulsed jet cloth filter
Multiple small chambers are cut into, filter bag is placed with each small chamber, but it is not provided with chamber off-line ash-clearing structure, is carrying out
During deashing, or making deduster be stopped completion deashing, the efficiency of dust collection of deduster is influenceed；It is exactly in deduster work
When to being filled with malleation in chamber so that malleation and negative pressure air influence each other, cancel out each other, and cleaning efficiency is relatively low, ash-removal effect
It is poor.
The content of the invention
It is an object of the invention to：A kind of small-sized pulsed jet cloth filter for being provided with chamber off-line ash-clearing structure is provided, can
The deashing treatment of deduster is realized when deduster work is not stopped, and positive pressure air, negative pressure air are separated from each other in chamber,
It is independent of each other, it is ensured that the ash-removal effect of deduster.
The technical solution adopted by the present invention is as follows：
A kind of small-sized pulsed jet cloth filter, including cylinder, air inlet, exhaust outlet are connected with the side wall of the cylinder,
Air-purifying chamber in the cylinder is provided with each net gas small chamber and is less than by locellus separator lined into multiple net gas small chambers
The seal cover board of exhaust outlet, offers negative pressure air air holes on every piece of seal cover board, each net gas small chamber one end pass through into
Gas path is connected with air inlet, and the other end of each net gas small chamber passes sequentially through negative pressure air air holes, exhaust channel and air draft
Mouth connection；Filter bag is provided with each net gas small chamber, the sack top of each filter bag is provided with can be in correspondence filter bag
The blowing device of air blowing, the blowing device is located at seal cover board lower section, and the blowing device is connected with source of the gas by injection tube；
Cylinder is provided with the position of each filter bag of correspondence on the top board of the cylinder, being connected with the output shaft of the cylinder to seal
Block the air holes pressing plate of correspondence negative pressure air air holes.
Wherein, gas storage bag is connected with the cylinder, the gas storage bag is respectively by air inlet pipeline and each net small chamber of gas
Indoor injection tube connection, and be used to connect at each be provided with pulse on air inlet pipeline of the gas storage bag with net gas small chamber
Valve.
Wherein, the blowing device include injection branch pipe, one end of the injection branch pipe with corresponding net gas small chamber
Injection tube is connected, and the other end of the injection branch pipe is communicated with supersonic speed induction nozzle, the supersonic speed induction nozzle it is another
End is communicated with air-flow scatterer, and scattered porosity is offered in the air-flow scatterer.
Wherein, the external diameter of the supersonic speed induction nozzle and the ratio of the external diameter of injection branch pipe are 1:2, the supersonic speed is lured
The length and the ratio of the external diameter of injection branch pipe for leading nozzle are 2:1；The length of the air-flow scatterer and supersonic speed induction nozzle
Length ratio be 1.5:1, the opening diameter of the air-flow scatterer is 4 with the ratio of the diameter of supersonic speed induction nozzle:
1。
Wherein, the gas channel of the supersonic speed induction nozzle includes the first current stabilization stomata, pressurized gas port, and described first is steady
Gas hole position is located at the outlet side of supersonic speed induction nozzle in the air inlet side of supersonic speed induction nozzle, the pressurized gas port,
The first current stabilization stomata is connected with pressurized gas port, and the internal diameter of the pressurized gas port gradually increases along airflow direction.
Wherein, the internal diameter of the first current stabilization stomata and the ratio of the internal diameter of injection branch pipe are 1:3, the pressurized gas port
Aperture is 1 with the ratio in the aperture of the first current stabilization stomata:4, the length of the length of the pressurized gas port and the first current stabilization stomata
Ratio is 1:3, the import and export gradient of the pressurized gas port is 3 °；The aperture of the scattered porosity and the ratio in the aperture of pressurized gas port
Be worth is 1.5:1.
Wherein, the scattered porosity is set to 6, and 6 scattered porosities are uniformly distributed along the circumference of air-flow scatterer.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, in the present invention, the air-purifying chamber in the cylinder is by locellus separator lined into multiple net gas small chambers, and each net gas is small
Seal cover board is provided with chamber, negative pressure air air holes is opened up on each seal cover board, each negative pressure air air holes can lead to
The air holes pressing plate crossed on corresponding cylinder is blocked, so as to connect or block the connection of the net gas small chamber of correspondence and exhaust outlet；
Filter bag is both provided with each surprised small chamber, and the sack top of each filter bag is provided with blowing device, by the spray
Blowing apparatus can be to injection high speed and high pressure gas in filter bag；When deduster works, each net gas small chamber passes through pipeline and air intake
Mouth, exhaust outlet connection, and make to produce negative pressure in each net gas small chamber in the presence of air-introduced machine, realize the purpose of dedusting；When
, it is necessary to corresponding cylinder is acted on the filter bag of deashing when needing deashing, air holes pressing plate blocks negative pressure air air holes, corresponding
Gas transmission path is blocked, and no longer there is negative pressure in corresponding net gas small chamber, but other do not need net gas small chamber, the filter bag of deashing
Normal dust removal process, then source of the gas make by pipeline, corresponding blowing device to high speed and high pressure air-flow is filled with corresponding filter bag
Malleation is formed in filter bag, so as to complete to process the deashing of filter bag by high speed and high pressure gas shock filter bag；Due to the deduster
Can simultaneously realize that deashing is realized in the normal dedusting of part filter bag, part filter bag, the work of whole deduster need not be stopped in deashing,
And the malleation that only blowing device is provided it in the filter bag of deashing, produce the passage of negative pressure to be blocked, so as to can have
Effect avoids malleation, negative pressure air in deashing from influencing each other situation about even offsetting, so as to improve the deashing of whole deduster
Effect, it is ensured that efficiency of dust collection of the deduster in deashing, so as to improve the efficiency of dust collection of deduster on the whole.
2nd, in the present invention, the blowing device is made up of injection branch pipe, the gentle wandering emitter of supersonic speed induction nozzle, and common
Blowing device of dust collecting device is compared, more equal along strainer length direction side wall normal pressure peakedness ratio after using efficiently induction blowing device
Even and peak value is larger, each measuring point of filter bag reaches positive peak in synchronization substantially, it is ensured that inwall deashing on filter bag length direction
The uniformity of pressure；Also had the advantage that using the deduster put of efficiently induction injection dress：1. air supply needed for deashing
It is less, and required pressure is relatively low, saves electric energy；2. deashing frequency declines, and life-span of the filter bag is extended；3. pulse valve quantity is configured
It is less, once investment and maintenance workload can be reduced；4. cleaning efficiency is high, and deduster can keep relatively low pressure drop, make dedusting
The operating cost of system declines.
Brief description of the drawings
Fig. 1 is the structural representation of deduster；
Fig. 2 is the top view of deduster；
Fig. 3 is the structural representation of blowing device；
Fig. 4 is that pressure-plotting when deashing property is tested inside filter bag is carried out to Ф 325mm × 660mm filter cylinders；
Fig. 5 is the speed vector figure that filter pocket mouths when deashing property is tested are carried out to Ф 325mm × 660mm filter cylinders；
Fig. 6 is the velocity that supersonic speed induction nozzle when deashing property is tested is carried out to Ф 325mm × 660mm filter cylinders
Figure；
Fig. 7 is deashing process schematic diagram when deashing is carried out using deduster of the invention；
Fig. 8 is deashing process schematic diagram when deashing is carried out using the deduster of plain nozzle；
Fig. 9 is the structural representation of gas storage bag；
Figure 10 is the scheme of installation of electric heating tube in gas storage bag；
Marked in figure：1- cylinders, 2- pulse valves, 3- gas storage bag, 4- air inlets, 5- discharge ports, 6- exhaust outlets, 7- injections
Pipe, 8- filter bags, 9- cylinders, 10- seal cover boards, 11- negative pressure airs air holes, 12- locellus dividing plate, 13- air holes pressing plate, 14- injections
The net gas small chamber of device, 15-, 141- injections branch pipe, 142- supersonic speed induction nozzle, 143- air-flows scatterer, 144- first are steady
Gas hole, 145- pressurized gas ports, 146- scattered porosities, the spherical transition stomatas of 147-, the second current stabilizations of 148- stomata, 32- heating chambers,
33- air inlets, 34- gas outlets, 35- electric heating tubes, 36- center tubes, 37- housings, 38- binding posts, 39- connecting plates.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
A kind of small-sized pulsed jet cloth filter, the deduster includes cylinder 9, and air intake is connected with the side wall of cylinder 9
Mouth 4, exhaust outlet 6, the exhaust outlet 6 is set higher than air inlet 4；During work, outside air-introduced machine work, by the air inlet 4, air draft
Mouth 6 can make the air-purifying chamber in cylinder 9 form negative pressure, so as to the purpose of dedusting can be realized finally.The bottom of cylinder 9 offers discharging
Mouth 5, the dust being collected into during dedusting in cylinder 9 can be finally collected by the discharge port 5, be utilized, and reduce dust random
Discharge pollution on the environment.Locellus dividing plate 12 is provided with air-purifying chamber in the cylinder 9, can be by by the locellus dividing plate 12
Cylinder 9 is divided into net gas small chamber 15 one by one, each net gas small chamber 15 dedusting space independent equivalent to, net gas
It is not interfere with each other between small chamber 15 and net gas small chamber 15,.Each net gas small chamber 15 passes through passage or pipeline and air intake
Mouth 4, exhaust outlet 6 is connected, thus can form negative pressure in each net gas small chamber 15 when air-introduced machine works.In each net gas
Seal cover board 10 is provided with small chamber 15, the seal cover board 10 is set less than exhaust outlet 6, thus in seal cover board 10 and cylinder
Just formed between the roof of body 9 and connected with exhaust outlet 6 for the passage for air current flow, and the passage.Each net gas small chamber
Negative pressure air air holes 11 is offered on seal cover board 10 in 15, by the negative pressure air air holes 11 each can be made independent net
Gas small chamber 15 can be connected with exhaust outlet 6, and the net gas small chamber 15 that can just make each independent does not interfere with each other its work.At each
Filter bag 8 is provided with net gas small chamber 15, when there is negative pressure in net gas small chamber 15, the filter bag 8 can realize the work of dedusting
With.The blowing device 14 being provided with above the sack of each filter bag 8 on blowing device 14, and each filter bag 8 is respectively positioned on close
The lower section of plate 10 is covered, the blowing device 14 in each net gas small chamber 15 is connected by corresponding pipeline with source of the gas.The gas
Source can provide gas for blowing device 14, can be to high speed and high pressure air-flow is filled with correspondence filter bag 8, at a high speed by the blowing device 14
High pressure draught is acted on filter bag 8, is capable of achieving the deashing treatment to filter bag 8.Additionally, being provided with multiple on the top board of cylinder 9
Cylinder 1, the setting of negative pressure air air holes 11 on the position of multiple cylinders 1, corresponding each seal cover board 10 of quantity；The cylinder 1
Output shaft is stretched into cylinder 9, and output shaft end in cylinder 1 is connected with air holes pressing plate 13, the position of the air holes pressing plate 13, shape
Shape, size are adapted with the position of negative pressure air air holes 11, shape, size on seal cover board 10, so that can be by the air holes pressure
Plate 13 blocks the negative pressure air air holes 11 of corresponding position, the negative pressure channel of the net gas small chamber 15 of blocking correspondence.
Preferably, being also associated with gas storage bag 3 on the cylinder 9, the gas storage bag 3 is net with each by air inlet pipeline respectively
Injection tube 7 in gas small chamber 15 is connected, and is used to connect on air inlet pipeline of the gas storage bag 3 with net gas small chamber 15 at each
Pulse valve 2 is provided with, can be opened by the pulse valve 2 or blocked and be corresponding for connecting gas storage bag 3 with net gas small chamber 15
Air inlet pipeline, realize to correspondence purification small chamber in be filled with high speed and high pressure gas or block to correspondence purification small chamber in be filled with
High speed and high pressure gas.
Air-purifying chamber in the cylinder 9 is divided into multiple net gas small chambers 15, each net gas small chamber 15 by locellus dividing plate 12
Seal cover board 10 is inside provided with, negative pressure air air holes 11 is opened up on each seal cover board 10, each negative pressure air air holes 11
Can be blocked by the air holes pressing plate 13 on correspondence cylinder 1, so as to connect or block the net gas small chamber 15 of correspondence and air draft
The connection of mouth 6；Filter bag 8 is both provided with each surprised small chamber, and the sack top of each filter bag 8 is provided with injection dress
14 are put, can be to injection high speed and high pressure gas in filter bag 8 by the blowing device 14；When deduster works, each net gas small chamber
15 are connected by pipeline with air inlet 4, exhaust outlet 6, and make to be produced in each net gas small chamber 15 in the presence of air-introduced machine
Negative pressure, realizes the purpose of dedusting；When deashing is needed, it is necessary to corresponding cylinder 1 is acted on the filter bag 8 of deashing, air holes pressing plate 13
Negative pressure air air holes 11 is blocked, corresponding gas transmission path blocking no longer has negative pressure, but its in corresponding net gas small chamber 15
He does not need net gas small chamber 15, the normal dust removal process of filter bag 8 of deashing, and then source of the gas passes through pipeline, corresponding blowing device
14 in corresponding filter bag 8 to high speed and high pressure air-flow is filled with, and makes to form malleation in filter bag 8, so as to pass through high speed and high pressure gas shock
Filter bag 8 completes the deashing treatment to filter bag 8；Because the deduster can simultaneously realize the normal dedusting of part filter bag 8, part filter bag 8
Deashing is realized, the work of whole deduster need not be stopped in deashing, and there was only blowing device 14 in the filter bag 8 of deashing to it
The malleation of offer, produces the passage of negative pressure to be blocked, so as to the mutual shadow of malleation, negative pressure air in deashing can be prevented effectively from
The situation that sound is even offset, so as to improve the ash-removal effect of whole deduster, it is ensured that efficiency of dust collection of the deduster in deashing,
So as to improve the efficiency of dust collection of deduster on the whole.
The blowing device 14 includes injection branch pipe 141, and one end of the injection branch pipe 141 will be with corresponding net gas small chamber 15
Interior injection tube 7 is connected, and the other end of the injection branch pipe 141 is communicated with supersonic speed induction nozzle 142, the supersonic speed induction nozzle
142 other end is communicated with air-flow scatterer 143, and the air-flow scatterer 143 and offers scattered porosity 146.In injection tube 7
High speed and high pressure air-flow can pass sequentially through injection branch pipe 141, supersonic speed induction nozzle 142, be dissipated from air-flow after air-flow scatterer 143
The scattered porosity 146 of emitter 143 sprays, and will be straight by the high speed and high pressure gas that the scattered porosity 146 of air-flow scatterer 143 sprays
Connect and act in filter bag 8, the dust on filter bag 8 is cleaned out, realize the deashing treatment to filter bag 8.
Preferably, the external diameter of the supersonic speed induction nozzle 142 is 1 with the ratio of the external diameter of injection branch pipe 141:2, this surpasses
The length of velocity of sound induction nozzle 142 is 2 with the ratio of the external diameter of injection branch pipe 141:1；The length of the air-flow scatterer 143 with it is super
The ratio of the length of velocity of sound induction nozzle 142 is 1.5:1, opening diameter and the supersonic speed induction nozzle of the air-flow scatterer 143
The ratio of 142 diameter is 4:1.
Preferably, the gas channel of the supersonic speed induction nozzle 142 includes the first current stabilization stomata 144, pressurized gas port
145, the first current stabilization stomata 144 is located at the air inlet side of supersonic speed induction nozzle 142, and the pressurized gas port 145 is located at supersonic speed
The outlet side of induction nozzle 142, the first current stabilization stomata 144 is connected with pressurized gas port 145, the internal diameter of the pressurized gas port 145
Gradually increase along airflow direction.Further, it is also possible to be set gradually between the first current stabilization stomata 144, pressurized gas port 145 spherical
Transition stomata 147, the second current stabilization stomata 148, the air-flow in supersonic speed induction nozzle 142 pass sequentially through the first current stabilization stomata 144,
Enter in air-flow scatterer 143 after spherical transition stomata 147, the second current stabilization stomata 148, pressurized gas port 145；It is spherical by setting
Transition stomata 147, the second current stabilization stomata 148, can be such that air-flow is realized between the first current stabilization stomata 144, pressurized gas port 145 steadily
Transition, reduces the speed that air-flow produces collision when the first current stabilization stomata 144, pressurized gas port 145 is flowed through and reduces air-flow.
Preferably, the internal diameter of the first current stabilization stomata 144 is 1 with the ratio of the internal diameter of injection branch pipe 141:3, the supercharging
The aperture of stomata 145 is 1 with the ratio in the aperture of the first current stabilization stomata 144:4, the length of the pressurized gas port 145 and the first current stabilization
The ratio of the length of stomata 144 is 1:3, the import and export gradient of the pressurized gas port 145 is 3 °；The aperture of the scattered porosity 146 with
The ratio in the aperture of pressurized gas port 145 is 1.5:1.
Preferably, the scattered porosity 146 is set to 6,6 scattered porosities 146 are along the circumferential equal of air-flow scatterer 143
Even distribution.
The blowing device 14 is made up of injection branch pipe 141, the gentle wandering emitter 143 of supersonic speed induction nozzle 142, and common
Blowing device of dust collecting device 14 is compared, along strainer length direction side wall normal pressure peakedness ratio after using efficiently induction blowing device 14
More uniform and peak value is larger, each measuring point of filter bag 8 reaches positive peak in synchronization substantially, it is ensured that interior on the length direction of filter bag 8
The uniformity of wall deashing pressure；Also had the advantage that using the deduster put of efficiently induction injection dress：1. compression needed for deashing
Air capacity is less, and required pressure is relatively low, saves electric energy；2. deashing frequency declines, and the life-span of filter bag 8 is extended；3. arteries and veins is configured
The negligible amounts of valve 2 are rushed, once investment and maintenance workload can be reduced；4. cleaning efficiency is high, and deduster can keep relatively low pressure
Drop, declines the operating cost of dust pelletizing system.
Additionally, the gas storage bag 3 can be using the gas storage bag 3 of existing structure, it would however also be possible to employ be provided with the gas storage of heater
Bag 3, the temperature and pressure in gas storage bag 3 can be improved by the heater on the gas storage bag 3, so that gas storage bag 3 sprays height
The air-flow of fast high pressure.The gas storage bag includes gas storage pipeline 36, and housing 37 is also arranged with outside gas storage pipeline 36, and the housing 37 is by upper
Top board, lower roof plate and side plate composition, upper plate, lower roof plate are fixedly connected with gas storage pipeline 36, and side plate is connected to top
Between plate, lower roof plate, so as to form the heating chamber 32 for accommodating gas between the inside of housing 37 and the outer wall of gas storage pipeline 36.
Air inlet 33 is connected with the lower end of the side wall of housing 37 (i.e. side plate), outlet is connected with the upper end of the side wall of housing 37 (i.e. side plate)
Mouthfuls 34, and the air inlet 33, heating chamber 32 and gas outlet 34 be sequentially communicated, so as to realize to inflate or arranging in heating chamber 32
Gas.Heater is additionally provided with the heating chamber 32, the heater is connected with external power source, so that can be by the heater
To heat is discharged in heating chamber 32, the air in heating chamber 32 transfers heat to the air in gas storage pipeline 36, gas storage pipeline
36 and gas storage bag 3 in air temperature raise, the air pressure in gas storage pipeline 36 and gas storage bag 3, make via gas storage bag 3 discharge gas
Body forms high speed, the air-flow of high pressure.The heater is electric heater unit, and the electric heater unit includes electric heating tube 35, the electricity
Heating tube 35 is arranged in heating chamber 32, and one end of the electric heating tube 35 is electrically connected with binding post 38, and the binding post 38 is fixed and connected
It is connected on housing 37.The heat that thus electric heating tube 35 is produced absorbs the gas being directly heated in chamber 32, improves and adds
The temperature of gas in hot chamber 32 and gas storage bag, can be effectively improved in the case that gas content is constant in the gas storage bag heating chamber 32 and
Pressure in gas storage bag.Additionally, the electric heating tube 35 can be respectively provided with binding post 38 it is multigroup, and the quantity of electric heating tube 35,
The quantity of position and binding post 38, position are adapted, and electric heating tube 35 connects one to one with binding post 38, multigroup electric heating tube
35 are centrosymmetric centered on wherein one electric heating tube 35 is uniformly distributed, and is reserved between adjacent two electric heating tubes 35
Enough gaps, are easy in air-flow from being circulated between electric heating tube 5 and taking away heat, improve the temperature in heating chamber 32.Should be certainly
Heating fluid-bed gas storage bag also includes connecting plate 39, and the electric heating tube 35 is fixedly connected on the inner side of connecting plate 39, and this connects
Terminal 38 is fixedly connected on the outside of connecting plate 39, and the connecting plate 39 is attached with the underrun bolt of housing 37, from
And conveniently connecting plate 39 and the electric heating tube being fixedly connected on connecting plate 39 35 are disassembled from housing 37.
Housing 37 is arranged in the outside of the gas storage pipeline 36 of gas storage bag 3, so as to the shape between housing 37 and gas storage pipeline 36
Into the heating chamber 32 for accommodating gas；Heater is provided with the heating chamber 32, the heater can produce heat, carry
Temperature in heating chamber high 32 and gas storage bag, self-heating type fluid bed gas storage bag can effectively improve 20~30 DEG C of gas temperature,
The pressure in gas storage bag can be effectively improved by the temperature improved in gas storage bag, the speed of the air-flow sprayed via gas storage bag is improved
Degree, improves airflow function in the pressure produced on material, by increasing capacitance it is possible to increase 0.15~0.2 kilogram of air-flow to the pressure of filter bag 8 so that
Improve the cleaning efficiency and ash-removal effect to filter bag 8.
Embodiment 1
A kind of small-sized pulsed jet cloth filter, the deduster includes cylinder 9, and air intake is connected with the side wall of cylinder 9
Mouth 4, exhaust outlet 6, the exhaust outlet 6 is set higher than air inlet 4；During work, outside air-introduced machine work, by the air inlet 4, air draft
Mouth 6 can make the air-purifying chamber in cylinder 9 form negative pressure, so as to the purpose of dedusting can be realized finally.The bottom of cylinder 9 offers discharging
Mouth 5, the dust being collected into during dedusting in cylinder 9 can be finally collected by the discharge port 5, be utilized, and reduce dust random
Discharge pollution on the environment.Locellus dividing plate 12 is provided with air-purifying chamber in the cylinder 9, can be by by the locellus dividing plate 12
Cylinder 9 is divided into net gas small chamber 15 one by one, each net gas small chamber 15 dedusting space independent equivalent to, net gas
It is not interfere with each other between small chamber 15 and net gas small chamber 15,.Each net gas small chamber 15 passes through passage or pipeline and air intake
Mouth 4, exhaust outlet 6 is connected, thus can form negative pressure in each net gas small chamber 15 when air-introduced machine works.In each net gas
Seal cover board 10 is provided with small chamber 15, the seal cover board 10 is set less than exhaust outlet 6, thus in seal cover board 10 and cylinder
Just formed between the roof of body 9 and connected with exhaust outlet 6 for the passage for air current flow, and the passage.Each net gas small chamber
Negative pressure air air holes 11 is offered on seal cover board 10 in 15, by the negative pressure air air holes 11 each can be made independent net
Gas small chamber 15 can be connected with exhaust outlet 6, and the net gas small chamber 15 that can just make each independent does not interfere with each other its work.At each
Filter bag 8 is provided with net gas small chamber 15, when there is negative pressure in net gas small chamber 15, the filter bag 8 can realize the work of dedusting
With.The blowing device 14 being provided with above the sack of each filter bag 8 on blowing device 14, and each filter bag 8 is respectively positioned on close
The lower section of plate 10 is covered, the blowing device 14 in each net gas small chamber 15 is connected by corresponding pipeline with source of the gas.The gas
Source can provide gas for blowing device 14, can be to high speed and high pressure air-flow is filled with correspondence filter bag 8, at a high speed by the blowing device 14
High pressure draught is acted on filter bag 8, is capable of achieving the deashing treatment to filter bag 8.Additionally, being provided with multiple on the top board of cylinder 9
Cylinder 1, the setting of negative pressure air air holes 11 on the position of multiple cylinders 1, corresponding each seal cover board 10 of quantity；The cylinder 1
Output shaft is stretched into cylinder 9, and output shaft end in cylinder 1 is connected with air holes pressing plate 13, the position of the air holes pressing plate 13, shape
Shape, size are adapted with the position of negative pressure air air holes 11, shape, size on seal cover board 10, so that can be by the air holes pressure
Plate 13 blocks the negative pressure air air holes 11 of corresponding position, the negative pressure channel of the net gas small chamber 15 of blocking correspondence.
Embodiment 2
On the basis of embodiment one, gas storage bag 3 is also associated with the cylinder 9, the gas storage bag 3 passes through air inlet pipe respectively
Road connects with the injection tube 7 in each net gas small chamber 15, and is used to connect entering for gas storage bag 3 and net gas small chamber 15 at each
Pulse valve 2 is provided with air pipe, can be opened by the pulse valve 2 or blocked and be corresponding for connecting gas storage bag 3 with net gas
The air inlet pipeline of small chamber 15, realize to correspondence purification small chamber in be filled with high speed and high pressure gas or block to correspondence purification it is small
High speed and high pressure gas is filled with chamber.
Embodiment 3
On the basis of embodiment one or embodiment two, the blowing device 14 includes injection branch pipe 141, the injection branch pipe
141 one end will connect with the injection tube 7 in corresponding net gas small chamber 15, and the other end of the injection branch pipe 141 is communicated with super
Velocity of sound induction nozzle 142, the other end of the supersonic speed induction nozzle 142 is communicated with air-flow scatterer 143, and the air-flow scatterer
Scattered porosity 146 is offered in 143.High speed and high pressure air-flow in injection tube 7 can pass sequentially through injection branch pipe 141, supersonic speed and lure
Sprayed from the scattered porosity 146 of air-flow scatterer 143 after leading nozzle 142, air-flow scatterer 143, and by air-flow scatterer 143
The high speed and high pressure gas that scattered porosity 146 sprays be will bear directly against in filter bag 8, and the dust on filter bag 8 is cleaned out, and it is right to realize
The deashing treatment of filter bag 8.
Embodiment 4
On the basis of embodiment three, the ratio of the external diameter of the supersonic speed induction nozzle 142 and the external diameter of injection branch pipe 141
It is 1:2, length and the ratio of the external diameter of injection branch pipe 141 of the supersonic speed induction nozzle 142 are 2:1；The air-flow scatterer 143
The ratio of length of length and supersonic speed induction nozzle 142 be 1.5:1, the opening diameter and Supersonic of the air-flow scatterer 143
The ratio of the diameter of fast induction nozzle 142 is 4:1.
Embodiment 5
On the basis of embodiment three or example IV, the gas channel of the supersonic speed induction nozzle 142 includes that first is steady
Gas hole 144, pressurized gas port 145, the first current stabilization stomata 144 are located at the air inlet side of supersonic speed induction nozzle 142, the supercharging
Stomata 145 is located at the outlet side of supersonic speed induction nozzle 142, and the first current stabilization stomata 144 is connected with pressurized gas port 145, should
The internal diameter of pressurized gas port 145 gradually increases along airflow direction.Further, it is also possible in the first current stabilization stomata 144, pressurized gas port 145
Between set gradually spherical transition stomata 147, the second current stabilization stomata 148, the air-flow in supersonic speed induction nozzle 142 leads to successively
Enter air-flow scatterer after crossing the first current stabilization stomata 144, spherical transition stomata 147, the second current stabilization stomata 148, pressurized gas port 145
In 143；By setting spherical transition stomata 147, the second current stabilization stomata 148, air-flow can be made in the first current stabilization stomata 144, supercharging
Realized a smooth transition between stomata 145, reduce air-flow is produced when the first current stabilization stomata 144, pressurized gas port 145 is flowed through collide and
Reduce the speed of air-flow.
Embodiment 6
On the basis of embodiment three, example IV or embodiment five, internal diameter and the injection branch of the first current stabilization stomata 144
The ratio of the internal diameter of pipe 141 is 1:3, the aperture of the pressurized gas port 145 is 1 with the ratio in the aperture of the first current stabilization stomata 144:4,
The length of the pressurized gas port 145 is 1 with the ratio of the length of the first current stabilization stomata 144:3, the import and export slope of the pressurized gas port 145
Spend is 3 °；The aperture of the scattered porosity 146 is 1.5 with the ratio in the aperture of pressurized gas port 145:1.
Embodiment 7
On the basis of embodiment three, example IV, embodiment five or embodiment six, the scattered porosity 146 is set to 6
Individual, 6 scattered porosities 146 are uniformly distributed along the circumference of air-flow scatterer 143.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of small-sized pulsed jet cloth filter, including cylinder (9), be connected with the side wall of the cylinder (9) air inlet (4),
Exhaust outlet (6), it is characterised in that：Air-purifying chamber in the cylinder (9) is divided into multiple net gas small chambers by locellus dividing plate (12)
(15) seal cover board (10) less than exhaust outlet (6), every piece of seal cover board (10), are provided with each net gas small chamber (15)
On offer negative pressure air air holes (11), each net gas small chamber (15) one end is connected by intake channel with air inlet (4),
The other end of each net gas small chamber (15) passes sequentially through negative pressure air air holes (11), exhaust channel and is connected with exhaust outlet (6)；Often
Filter bag (8) is provided with individual net gas small chamber (15), the sack top of each filter bag (8) is provided with can be to correspondence filter bag
(8) blowing device (14) blown in, the blowing device (14) is positioned at seal cover board (10) lower section, the blowing device (14)
Source of the gas is connected with by injection tube (7)；On the top board of the cylinder (9) gas is provided with the position of each filter bag (8) of correspondence
Cylinder (1), being connected with the output shaft of the cylinder (1) can block the air holes pressing plate (13) of correspondence negative pressure air air holes (11).
2. a kind of small-sized pulsed jet cloth filter as claimed in claim 1, it is characterised in that：It is connected with the cylinder (9)
Gas storage bag (3), the gas storage bag (3) is connected by air inlet pipeline with the injection tube (7) in each net gas small chamber (15) respectively,
And be used to connect at each be provided with pulse valve (2) on air inlet pipeline of the gas storage bag (3) with net gas small chamber (15).
3. a kind of small-sized pulsed jet cloth filter as claimed in claim 1 or 2, it is characterised in that：The blowing device (14)
Including injection branch pipe (141), one end of injection branch pipe (141) connects with the injection tube (7) in corresponding net gas small chamber (15)
Logical, the other end of injection branch pipe (141) is communicated with supersonic speed induction nozzle (142), the supersonic speed induction nozzle (142)
The other end be communicated with air-flow scatterer (143), offers scattered porosity (146) in the air-flow scatterer (143).
4. a kind of small-sized pulsed jet cloth filter as claimed in claim 3, it is characterised in that：The supersonic speed induction nozzle
(142) external diameter is 1 with the ratio of the external diameter of injection branch pipe (141):2, length and the spray of the supersonic speed induction nozzle (142)
The ratio for blowing the external diameter of branch pipe (141) is 2:1；The length of the air-flow scatterer (143) and supersonic speed induction nozzle (142)
The ratio of length is 1.5:1, the opening diameter of the air-flow scatterer (143) and the diameter of supersonic speed induction nozzle (142)
Ratio is 4:1.
5. a kind of small-sized pulsed jet cloth filter as claimed in claim 3, it is characterised in that：The supersonic speed induction nozzle
(142) gas channel includes the first current stabilization stomata (144), pressurized gas port (145), and the first current stabilization stomata (144) is located at
The air inlet side of supersonic speed induction nozzle (142), outlet of the pressurized gas port (145) positioned at supersonic speed induction nozzle (142)
Side, the first current stabilization stomata (144) connects with pressurized gas port (145), and the internal diameter of the pressurized gas port (145) is along air-flow side
To gradually increasing.
6. a kind of small-sized pulsed jet cloth filter as claimed in claim 5, it is characterised in that：The first current stabilization stomata
(144) internal diameter is 1 with the ratio of the internal diameter of injection branch pipe (141):3, aperture and first current stabilization of the pressurized gas port (145)
The ratio in the aperture of stomata (144) is 1:4, the length of the length of the pressurized gas port (145) and the first current stabilization stomata (144)
Ratio is 1:3, the import and export gradient of the pressurized gas port (145) is 3 °；The aperture of the scattered porosity (146) and supercharging gas
The ratio in the aperture in hole (145) is 1.5:1.
7. a kind of small-sized pulsed jet cloth filter as claimed in claim 3, it is characterised in that：The scattered porosity (146) sets
6 are set to, 6 scattered porosities (146) are uniformly distributed along the circumference of air-flow scatterer (143).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118735.5U CN206240190U (en) | 2016-10-13 | 2016-10-13 | A kind of small-sized pulsed jet cloth filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118735.5U CN206240190U (en) | 2016-10-13 | 2016-10-13 | A kind of small-sized pulsed jet cloth filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206240190U true CN206240190U (en) | 2017-06-13 |
Family
ID=58996201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118735.5U Expired - Fee Related CN206240190U (en) | 2016-10-13 | 2016-10-13 | A kind of small-sized pulsed jet cloth filter |
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| Country | Link |
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| CN (1) | CN206240190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345192A (en) * | 2016-10-13 | 2017-01-25 | 四川极速动力超微粉体设备制造有限公司 | Small-size pulse bag dust collector |
| CN110639297A (en) * | 2019-09-30 | 2020-01-03 | 焦红钊 | High-pressure pulse type bag-type dust collector with high airtightness |
-
2016
- 2016-10-13 CN CN201621118735.5U patent/CN206240190U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345192A (en) * | 2016-10-13 | 2017-01-25 | 四川极速动力超微粉体设备制造有限公司 | Small-size pulse bag dust collector |
| CN110639297A (en) * | 2019-09-30 | 2020-01-03 | 焦红钊 | High-pressure pulse type bag-type dust collector with high airtightness |
| CN110639297B (en) * | 2019-09-30 | 2021-07-02 | 新疆化工设计研究院有限责任公司 | High-pressure pulse type bag-type dust collector with high airtightness |
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Granted publication date: 20170613 Termination date: 20201013 |