CN106345192B - A kind of small-sized pulsed jet cloth filter - Google Patents

A kind of small-sized pulsed jet cloth filter Download PDF

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Publication number
CN106345192B
CN106345192B CN201610892449.2A CN201610892449A CN106345192B CN 106345192 B CN106345192 B CN 106345192B CN 201610892449 A CN201610892449 A CN 201610892449A CN 106345192 B CN106345192 B CN 106345192B
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China
Prior art keywords
air
gas
cylinder
filter bag
small chamber
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CN201610892449.2A
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CN106345192A (en
Inventor
汪林
袁祖江
胡怀勇
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Sichuan Shichuang Weina Technology Co., Ltd
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SICHUAN JISU DYNAMIC SUPERFINE POWDER EQUIPMENT MANUFACTURING Co Ltd
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Priority to CN201610892449.2A priority Critical patent/CN106345192B/en
Publication of CN106345192A publication Critical patent/CN106345192A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023Pockets filters, i.e. multiple bag filters mounted on a common frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04Cleaning filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/72Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2267/00Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
    • B01D2267/30Same type of filters

Abstract

The invention discloses a kind of small-sized pulsed jet cloth filters, belong to the bag filter in technical field of dust removal equipment, and its purpose is to provide a kind of small-sized pulsed jet cloth filters equipped 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 both provided in 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 is connected with exhaust outlet;Filter bag is both provided in each net gas small chamber, the blowing device that can be blown into corresponding filter bag is both provided with above the sack of each filter bag, blowing device is located at below seal cover board, and blowing device is connected with air source by injection tube;It is corresponded on the top plate of cylinder and cylinder is both provided at the position of each filter bag, the air holes pressing plate that can block corresponding negative pressure air air holes is connected on the output shaft of cylinder.The present invention is suitable for bag filter.

Description

A kind of small-sized pulsed jet cloth filter
Technical field
The invention belongs to technical field of dust removal equipment, be related to a kind of bag filter more particularly to it is a kind of have locellus from The bag filter of line deashing function.
Background technology
Bag filter is essential important equipment in power production line, its performance determines the production of production system Amount and gas discharge index.Bag filter is a kind of dry type dust filtration device.It is suitable for trapping tiny, dry, non-fiber Dust.Dusty gas is filtered using the filtration of fabric, after dusty gas enters sack cleaner, particle Greatly, heavy dust since the effect of gravity settles down, falls into ash bucket, and the gas containing relatively fine dust is passing through 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 bag filter.For Further improve pulse bag type dust collector, improved pulse bag type dust collector remains that purification efficiency is high, processing gas energy The advantages that amount is big, performance is stable, easy to operate, life-span of the filter bag is long, maintenance load is small.
Patent of invention application No. is 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, the wherein corresponding spray in the outlet of each net qi leel room Blowing apparatus, each blowing device are made of several injection tubes, several spouts are equipped in each injection tube, each A spout faces the outlet of net qi leel room, and the 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.In this way 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 be saved several segmentation cell steel plates, be reduced Equipment cost, and also allow for installing and using.
Above-mentioned pulse bag locellus deduster is as existing pulsed jet cloth filter, by the cylinder lumen of deduster point Multiple small chambers are cut into, filter bag is placed in each small chamber, but it is not provided with chamber off-line ash-clearing structure, is carrying out During deashing or deduster is made to be stopped complete deashing, influence the efficiency of dust collection of deduster;It is exactly to work in deduster When positive pressure is filled with into chamber so that positive pressure and negative pressure air influence each other, cancel out each other, and cleaning efficiency is relatively low, ash-removal effect It is poor.
Invention content
It is an object of the invention to:A kind of small-sized pulsed jet cloth filter equipped with chamber off-line ash-clearing structure is provided, it can In the deashing processing for not stopping realizing deduster during deduster work, and positive pressure air, negative pressure air are separated from each other in chamber, It is independent of each other, ensures 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, is connected with air inlet, exhaust outlet on the side wall of the cylinder, Air-purifying chamber in the cylinder, into multiple net gas small chambers, is each both provided in net gas small chamber and is less than by locellus separator lined 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 by into Gas access 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 both provided in each net gas small chamber, being both provided with above the sack of each filter bag can be into corresponding filter bag The blowing device of air blowing, the blowing device are located at below seal cover board, and the blowing device is connected with air source by injection tube; It is corresponded on the top plate of the cylinder and cylinder is both provided at the position of each filter bag, being connected on the output shaft of the cylinder can seal Block the air holes pressing plate of corresponding negative pressure air air holes.
Wherein, gas storage packet is connected on the cylinder, the gas storage packet passes through air inlet pipeline and the small chamber of each net gas respectively Indoor injection tube connection, and each pulse is both provided on air inlet pipeline of the gas storage packet with net gas small chamber for connecting Valve.
Wherein, the blowing device include injection branch pipe, it is described injection branch pipe one end in corresponding net gas small chamber Injection tube connects, 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 ratio of the outer diameter of the supersonic speed induction nozzle and the outer diameter of injection branch pipe is 1:2, the supersonic speed lures It is 2 to lead the length of nozzle and the ratio of the outer diameter of injection branch pipe:1;The length of the air-flow scatterer and supersonic speed induction nozzle Length ratio be 1.5:1, the ratio of the opening diameter of the air-flow scatterer and the diameter of supersonic speed induction nozzle is 4: 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 is located at the air inlet side of supersonic speed induction nozzle, and the pressurized gas port is located at the outlet side of supersonic speed induction nozzle, 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 ratio of the internal diameter of the first current stabilization stomata and the internal diameter of injection branch pipe is 1:3, the pressurized gas port The ratio in aperture and the aperture of the first current stabilization stomata is 1:4, the length of the length of the pressurized gas port and the first current stabilization stomata Ratio is 1:3, the inlet and outlet gradient of the pressurized gas port is 3 °;The aperture of the scattered porosity and the aperture of pressurized gas port Ratio is 1.5:1.
Wherein, the scattered porosity is set as 6, and 6 scattered porosities are uniformly distributed along the circumferential direction of air-flow scatterer.
In conclusion 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 both provided in 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 corresponding net gas small chamber and exhaust outlet; Filter bag is both provided in each surprised small chamber, and blowing device is both provided with above the sack of each filter bag, passes through the spray Blowing apparatus can be blown high speed and high pressure gas into filter bag;When deduster works, each net gas small chamber passes through pipeline and air inlet Mouthful, exhaust outlet connection, and make under the action of air-introduced machine to generate negative pressure in each net gas small chamber, realize the purpose of dedusting;When When needing deashing, corresponding cylinder action on the filter bag of deashing is needed, air holes pressing plate blocks negative pressure air air holes, corresponding defeated Gas access blocks, and no longer there are negative pressure in corresponding net gas small chamber, but other are not needing to the net gas small chamber of deashing, filter bag just Normal dust removal process, then air source high speed and high pressure air-flow is filled with into corresponding filter bag by pipeline, corresponding blowing device, make filter Positive pressure is formed in bag, so as to complete to handle the deashing of filter bag by high speed and high pressure gas shock filter bag;Since the deduster can It realizes that deashing is realized in the normal dedusting of part filter bag, part filter bag simultaneously, the work of entire deduster need not be stopped in deashing, and There was only the positive pressure that blowing device provides it in the filter bag of deashing, the channel for generating negative pressure has been blocked, so as to effective Positive pressure, negative pressure air is avoided in deashing to influence each other situation about even offsetting, so as to improve the deashing of entire deduster effect Fruit ensures 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, which is made 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 peak value after using efficiently induction blowing device Even and peak value is larger, and each measuring point of filter bag reaches positive peak in synchronization substantially, it is ensured that inner wall deashing on filter bag length direction The uniformity of pressure;It is also had the advantage that using the deduster put of efficient 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, life-span of the filter bag is extended;3. pulse valve quantity is configured It is less, primary investment and maintenance workload can be reduced;4. cleaning efficiency is high, deduster can keep relatively low pressure drop, make dedusting The operating cost of system declines.
Description of the drawings
Fig. 1 is the structure diagram of deduster;
Fig. 2 is the vertical view of deduster;
Fig. 3 is the structure diagram of blowing device;
Fig. 4 is the pressure-plotting inside filter bag when deashing property experiment is carried out to Ф 325mm × 660mm filter cylinders;
Fig. 5 is the speed vector figure of filter pocket mouths when deashing property experiment is carried out to Ф 325mm × 660mm filter cylinders;
Fig. 6 is the velocity vector of supersonic speed induction nozzle when deashing property experiment is carried out to Ф 325mm × 660mm filter cylinders Figure;
Fig. 7 is deashing process schematic diagram when deduster using the present invention carries out deashing;
Fig. 8 is deashing process schematic diagram when deashing is carried out using the deduster of plain nozzle;
Fig. 9 is the structure diagram of gas storage packet;
Figure 10 is the scheme of installation of electric heating tube in gas storage packet;
It is marked in figure:1- cylinders, 2- pulse valves, 3- gas storage packet, 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 partition board, 13- air holes pressing plate, 14- injections Device, 141- injections branch pipe, 142- supersonic speed induction nozzle, 143- air-flows scatterer, the first current stabilizations of 144- stomata, 145- superchargings Stomata, 146- scattered porosities, 147- spherical shape transition stomata, the second current stabilizations of 148- stomata, 32- heating chambers, 33- air inlets, 34- Gas outlet, 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, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
A kind of small-sized pulsed jet cloth filter, the deduster include cylinder 9, and air inlet is connected on the side wall of cylinder 9 Mouth 4, exhaust outlet 6, the exhaust outlet 6 are set higher than air inlet 4;During work, external air-introduced machine work passes through air inlet 4, the air draft Mouth 6 can make the air-purifying chamber in cylinder 9 form negative pressure, so as to finally realize the purpose of dedusting.9 bottom of cylinder 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 it is random to reduce dust Discharge pollution on the environment.Locellus partition board 12 is provided in air-purifying chamber in the cylinder 9, can be incited somebody to action by the locellus partition board 12 Cylinder 9 is divided into net gas small chamber one by one, and each net gas small chamber is equivalent to an independent dedusting space, the net small chamber of gas It is not interfere with each other between room and net gas small chamber, each net gas small chamber passes through channel or pipeline and air inlet 4, exhaust outlet 6 Connection, thus can form negative pressure in each net gas small chamber when air-introduced machine works.It is all provided in each net gas small chamber Seal cover board 10 is equipped with, which is set less than exhaust outlet 6, thus between the roof of seal cover board 10 and cylinder 9 With regard to forming the channel being used for for air-flow flowing, and the channel is connected with exhaust outlet 6.Seal cover board 10 in each net gas small chamber On offer negative pressure air air holes 11, each independent net gas small chamber and row can be enable by the negative pressure air air holes 11 Air port 6 connects, and each independent net gas small chamber can just be made not interfere with each other its work.It is both provided in each net gas small chamber Filter bag 8, when, there are during negative pressure, which can realize the effect of dedusting in net gas small chamber.Above the sack of each filter bag 8 Blowing device 14 is both provided with, and the blowing device 14 on each filter bag 8 is respectively positioned on the lower section of seal cover board 10, each net gas is small The indoor blowing device 14 of chamber is connect by corresponding pipeline with air source.The air source can be that blowing device 14 provides gas, lead to High speed and high pressure air-flow can be filled with into corresponding filter bag 8 by crossing the blowing device 14, and high speed and high pressure airflow function, can be real on filter bag 8 Now to the processing of the deashing of filter bag 8.In addition, multiple cylinders 1 are provided on the top plate of cylinder 9, the position of multiple cylinders 1, quantity The setting of negative pressure air air holes 11 on corresponding each seal cover board 10;The output shaft of the cylinder 1 is stretched into cylinder 9, and in cylinder 1 Output shaft end be connected with air holes pressing plate 13, negative pressure is empty on the position of the air holes pressing plate 13, shape, size and seal cover board 10 The position of gas air holes 11, shape, size are adapted, so as to block the negative pressure of corresponding position sky by the air holes pressing plate 13 Gas air holes 11 blocks the negative pressure channel of corresponding net gas small chamber.
Preferably, being also associated with gas storage packet 3 on the cylinder 9, the gas storage packet 3 is respectively by air inlet pipeline and each net Injection tube 7 in gas small chamber connects, and is respectively provided on air inlet pipeline of the gas storage packet 3 with net gas small chamber each for connecting There is pulse valve 2, the corresponding air inlet pipe for being used to connect gas storage packet 3 and net gas small chamber can be opened or block by the pulse valve 2 Road, realize be filled with into corresponding purification small chamber high speed and high pressure gas or block be filled with into corresponding purification small chamber it is high at a high speed It calms the anger body.
Air-purifying chamber in the cylinder 9 is divided into multiple net gas small chambers by locellus partition board 12, in each net gas small chamber Seal cover board 10 is 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 lead to The air holes pressing plate 13 crossed on corresponding cylinder 1 is blocked, so as to connect or block corresponding net gas small chamber and the company of exhaust outlet 6 It is logical;Filter bag 8 is both provided in each surprised small chamber, and blowing device 14 is both provided with above the sack of each filter bag 8, is led to High speed and high pressure gas can be blown into filter bag 8 by crossing the blowing device 14;When deduster works, each net gas small chamber passes through pipe Road is connected with air inlet 4, exhaust outlet 6, and makes under the action of air-introduced machine to generate negative pressure in each net gas small chamber, realizes dedusting Purpose;When needing deashing, corresponding cylinder 1 on the filter bag 8 of deashing is needed to act, air holes pressing plate 13 blocks negative pressure air Air holes 11, corresponding gas transmission access block, and no longer there are negative pressure in corresponding net gas small chamber, but other do not need to the net of deashing Gas small chamber, 8 normal dust removal process of filter bag, then air source filled by pipeline, corresponding blowing device 14 into corresponding filter bag 8 Enter high speed and high pressure air-flow, make to form positive pressure in filter bag 8, so as to complete to the clear of filter bag 8 by high speed and high pressure gas shock filter bag 8 Ash processing;Due to the deduster can be achieved at the same time the 8 normal dedusting of part filter bag, part filter bag 8 realize deashing, in deashing without It need to stop the work of entire deduster, and the positive pressure that only blowing device 14 provides it in the filter bag 8 of deashing, generate negative pressure Channel be blocked, situation about even being offset so as to which positive pressure, negative pressure air in deashing can effectively avoid to influence each other, So as to improve the ash-removal effect of entire deduster, ensure efficiency of dust collection of the deduster in deashing, so as to improve dedusting on the whole The efficiency of dust collection of device.
The blowing device 14 includes injection branch pipe 141, one end of the injection branch pipe 141 will in corresponding net gas small chamber Injection tube 7 connect, 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 offers scattered porosity 146 in the air-flow scatterer 143.Injection tube 7 Interior high speed and high pressure air-flow can pass sequentially through injection branch pipe 141, supersonic speed induction nozzle 142, after air-flow scatterer 143 from air-flow The scattered porosity 146 of scatterer 143 sprays, and will by the high speed and high pressure gas that the scattered porosity 146 of air-flow scatterer 143 sprays It directly acts in filter bag 8, the dust on filter bag 8 is cleaned up, realize the deashing processing to filter bag 8.
Preferably, the ratio of the outer diameter of the supersonic speed induction nozzle 142 and the outer diameter of injection branch pipe 141 is 1:2, this is super The ratio of the length of velocity of sound induction nozzle 142 and the outer diameter of injection branch pipe 141 is 2:1;The length of the air-flow scatterer 143 is with surpassing 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, which is located at the air inlet side of supersonic speed induction nozzle 142, which is located at supersonic speed The outlet side of induction nozzle 142, the first current stabilization stomata 144 are 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 set gradually spherical mistake between the first current stabilization stomata 144, pressurized gas port 145 Cross 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 flat Steady transition reduces the speed that air-flow generates collision when flowing through the first current stabilization stomata 144, pressurized gas port 145 and reduces air-flow.
Preferably, the ratio of the internal diameter of the first current stabilization stomata 144 and the internal diameter of injection branch pipe 141 is 1:3, the supercharging The ratio in the aperture of stomata 145 and the aperture of the first current stabilization stomata 144 is 1:4, 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 inlet and outlet 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 as 6,6 scattered porosities 146 are equal along the circumferential direction of air-flow scatterer 143 Even distribution.
The blowing device 14 is made 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 peak value ratio after using efficiently induction blowing device 14 More uniform and peak value is larger, and 8 each measuring point of filter bag reaches positive peak in synchronization substantially, it is ensured that on 8 length direction of filter bag The uniformity of wall deashing pressure;It is also had the advantage that using the deduster put of efficient induction injection dress:1. it is compressed needed for deashing Air capacity is less, and required pressure is relatively low, saves electric energy;2. deashing frequency declines, 8 service life of filter bag is extended;3. arteries and veins is configured 2 negligible amounts of valve are rushed, primary investment and maintenance workload can be reduced;4. cleaning efficiency is high, deduster can keep relatively low pressure Drop, declines the operating cost of dust pelletizing system.
In addition, the gas storage packet 3 of existing structure can be used in the gas storage packet 3, the gas storage for being provided with heating unit can also be used Packet 3, the temperature and pressure in gas storage packet 3 can be improved by the heating unit on the gas storage packet 3, so as to which gas storage packet 3 be made to spray height The air-flow of fast high pressure.The gas storage packet includes gas storage pipeline 36, housing 37 is also arranged with outside gas storage pipeline 36, the housing 37 is by upper Top plate, lower roof plate and side plate composition, upper plate, lower roof plate are fixedly connected on 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 37 inside of housing and 36 outer wall of gas storage pipeline. Air inlet 33 is connected in the lower end of 37 side wall of housing (i.e. side plate), outlet is connected in the upper end of 37 side wall of housing (i.e. side plate) Mouth 34, and the air inlet 33, heating chamber 32 and gas outlet 34 are sequentially communicated, so as to fulfill that will inflate or arrange in heating chamber 32 Gas.Heating unit is additionally provided in the heating chamber 32, which connect with external power supply, so as to pass through the heating unit Discharge heat into 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 packet 3 in air temperature raising, the air pressure in gas storage pipeline 36 and gas storage packet 3 makes the gas discharged via gas storage packet 3 Body forms the air-flow of high speed, high pressure.The heating unit is electric heater unit, which includes electric heating tube 35, the electricity Heating tube 35 is set in heating chamber 32, and one end of the electric heating tube 35 is electrically connected with binding post 38, which, which fixes, connects It is connected on housing 37.The heat that thus electric heating tube 35 generates will directly be absorbed by the gas in heating chamber 32, be improved and be added The temperature of gas in hot chamber 32 and gas storage packet, can be effectively improved in the case that gas content is constant in gas storage packet heating chamber 32 and Pressure in gas storage packet.In addition, 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 a wherein electric heating tube 35 is uniformly distributed, and be reserved between adjacent two electric heating tubes 35 Enough gaps, convenient for, from circulating between electric heating tube 5 and taking away heat, improving the temperature in heating chamber 32 in air-flow.It should be certainly Heating fluid-bed gas storage packet has further included connecting plate 39, which is fixedly connected on the inside of connecting plate 39, this connects Terminal 38 is fixedly connected on the outside of connecting plate 39, and the underrun bolt of the connecting plate 39 and housing 37 is attached, from And facilitate and disassemble connecting plate 39 and the electric heating tube being fixedly connected on connecting plate 39 35 from housing 37.
Housing 37 is arranged in the outside of the gas storage pipeline 36 of gas storage packet 3, so as to the shape between housing 37 and gas storage pipeline 36 Into for accommodating the heating chamber 32 of gas;Heating unit is provided in the heating chamber 32, which can generate heat, carry Temperature in high heating chamber 32 and gas storage packet, self-heating type fluid bed gas storage packet can effectively improve 20~30 DEG C of gas temperature, The pressure in gas storage packet can be effectively improved by the temperature improved in gas storage packet, improves the speed of the air-flow sprayed via gas storage packet Degree improves airflow function in the pressure generated on material, can increase pressure of 0.15~0.2 kilogram of air-flow to filter bag 8, so as to 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 include cylinder 9, and air inlet is connected on the side wall of cylinder 9 Mouth 4, exhaust outlet 6, the exhaust outlet 6 are set higher than air inlet 4;During work, external air-introduced machine work passes through air inlet 4, the air draft Mouth 6 can make the air-purifying chamber in cylinder 9 form negative pressure, so as to finally realize the purpose of dedusting.9 bottom of cylinder 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 it is random to reduce dust Discharge pollution on the environment.Locellus partition board 12 is provided in air-purifying chamber in the cylinder 9, can be incited somebody to action by the locellus partition board 12 Cylinder 9 is divided into net gas small chamber one by one, and each net gas small chamber is equivalent to an independent dedusting space, the net small chamber of gas It is not interfere with each other between room and net gas small chamber, each net gas small chamber passes through channel or pipeline and air inlet 4, exhaust outlet 6 Connection, thus can form negative pressure in each net gas small chamber when air-introduced machine works.It is all provided in each net gas small chamber Seal cover board 10 is equipped with, which is set less than exhaust outlet 6, thus between the roof of seal cover board 10 and cylinder 9 With regard to forming the channel being used for for air-flow flowing, and the channel is connected with exhaust outlet 6.Seal cover board 10 in each net gas small chamber On offer negative pressure air air holes 11, each independent net gas small chamber and row can be enable by the negative pressure air air holes 11 Air port 6 connects, and each independent net gas small chamber can just be made not interfere with each other its work.It is both provided in each net gas small chamber Filter bag 8, when, there are during negative pressure, which can realize the effect of dedusting in net gas small chamber.Above the sack of each filter bag 8 Blowing device 14 is both provided with, and the blowing device 14 on each filter bag 8 is respectively positioned on the lower section of seal cover board 10, each net gas is small The indoor blowing device 14 of chamber is connect by corresponding pipeline with air source.The air source can be that blowing device 14 provides gas, lead to High speed and high pressure air-flow can be filled with into corresponding filter bag 8 by crossing the blowing device 14, and high speed and high pressure airflow function, can be real on filter bag 8 Now to the processing of the deashing of filter bag 8.In addition, multiple cylinders 1 are provided on the top plate of cylinder 9, the position of multiple cylinders 1, quantity The setting of negative pressure air air holes 11 on corresponding each seal cover board 10;The output shaft of the cylinder 1 is stretched into cylinder 9, and in cylinder 1 Output shaft end be connected with air holes pressing plate 13, negative pressure is empty on the position of the air holes pressing plate 13, shape, size and seal cover board 10 The position of gas air holes 11, shape, size are adapted, so as to block the negative pressure of corresponding position sky by the air holes pressing plate 13 Gas air holes 11 blocks the negative pressure channel of corresponding net gas small chamber.
Embodiment 2
On the basis of embodiment one, gas storage packet 3 is also associated on the cylinder 9, which passes through air inlet pipe respectively Road is connected with the injection tube 7 in each net gas small chamber, and is used to connect gas storage packet 3 and the air inlet pipe of net gas small chamber each Road is both provided with pulse valve 2, can open or block by the pulse valve 2 and is corresponding for connecting gas storage packet 3 and the small chamber of net gas The air inlet pipeline of room is realized and high speed and high pressure gas is filled with into corresponding purification small chamber or is blocked into corresponding purification small chamber It is filled with high speed and high pressure gas.
Embodiment 3
On the basis of embodiment one or embodiment two, which includes injection branch pipe 141, the injection branch pipe 141 one end will be connected with the injection tube 7 in corresponding net gas small chamber, and the other end of the injection branch pipe 141 is communicated with Supersonic Fast induction nozzle 142, the other end of the supersonic speed induction nozzle 142 are 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 lures It is sprayed after leading nozzle 142, air-flow scatterer 143 from the scattered porosity 146 of air-flow scatterer 143, and by air-flow scatterer 143 Scattered porosity 146 spray high speed and high pressure gas will bear directly against in filter bag 8, the dust on filter bag 8 is cleaned up, realize The deashing of filter bag 8 is handled.
Embodiment 4
On the basis of embodiment three, the ratio of the outer diameter and the outer diameter of injection branch pipe 141 of the supersonic speed induction nozzle 142 It is 1:2, the length of the supersonic speed induction nozzle 142 and the ratio of the outer diameter of injection branch pipe 141 are 2:1;The air-flow scatterer The ratio of 143 length and the length of supersonic speed induction nozzle 142 is 1.5:1, the opening diameter of the air-flow scatterer 143 with The ratio of the diameter of supersonic speed 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 first surely 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 increasing Hole 145 of calming the anger is located at the outlet side of supersonic speed induction nozzle 142, which connects with pressurized gas port 145, The internal diameter of the pressurized gas port 145 gradually increases along airflow direction.Further, it is also possible in the first current stabilization stomata 144, pressurized gas port Set gradually spherical transition stomata 147, the second current stabilization stomata 148 between 145, the air-flow in supersonic speed induction nozzle 142 is successively It is scattered by entering air-flow after the first current stabilization stomata 144, spherical transition stomata 147, the second current stabilization stomata 148, pressurized gas port 145 In device 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, increased It calms the anger and realizes a smooth transition between hole 145, reduce air-flow and generated when flowing through the first current stabilization stomata 144, pressurized gas port 145 and is touched Hit 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 ratio in the aperture of the aperture of the pressurized gas port 145 and the first current stabilization stomata 144 is 1: 4, the ratio of the length of the length of the pressurized gas port 145 and the first current stabilization stomata 144 is 1:3, the inlet and outlet of the pressurized gas port 145 The gradient is 3 °;The ratio in the aperture of the scattered porosity 146 and the aperture of pressurized gas port 145 is 1.5:1.
Embodiment 7
On the basis of embodiment three, example IV, embodiment five or embodiment six, which is set as 6 A, 6 scattered porosities 146 are uniformly distributed along the circumferential direction of air-flow scatterer 143.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (4)

1. a kind of small-sized pulsed jet cloth filter, including cylinder(9), the cylinder(9)Side wall on be connected with air inlet(4)、 Exhaust outlet(6), it is characterised in that:The cylinder(9)Interior air-purifying chamber is by locellus partition board(12)It is divided into multiple net gas small chambers (15), each net gas small chamber(15)It is inside both provided with less than exhaust outlet(6)Seal cover board(10), every piece of seal cover board(10) On offer negative pressure air air holes(11), each net gas small chamber(15)One end passes through intake channel and air inlet(4)Connection, Each net gas small chamber(15)The other end pass sequentially through negative pressure air air holes(11), exhaust channel and exhaust outlet(6)Connection;Often A net gas small chamber(15)Inside it is both provided with filter bag(8), each filter bag(8)Sack above be both provided with can be to corresponding filter bag (8)The blowing device of interior air blowing(14), the blowing device(14)Positioned at seal cover board(10)Lower section, the blowing device(14) Pass through injection tube(7)It is connected with air source;The cylinder(9)Top plate on correspond to each filter bag(8)Position at be both provided with gas Cylinder(1), the cylinder(1)Output shaft on be connected with and can block corresponding negative pressure air air holes(11)Air holes pressing plate(13); The blowing device(14)Including being blown branch pipe(141), the injection branch pipe(141)One end and corresponding net gas small chamber(15) Interior injection tube(7)Connection, the injection branch pipe(141)The other end be communicated with supersonic speed induction nozzle(142), the Supersonic Fast induction nozzle(142)The other end be communicated with air-flow scatterer(143), the air-flow scatterer(143)Inside offer scattering Stomata(146);The supersonic speed induction nozzle(142)Outer diameter with injection branch pipe(141)Outer diameter ratio be 1:2, it is described Supersonic speed induction nozzle(142)Length with injection branch pipe(141)Outer diameter ratio be 2:1;The air-flow scatterer(143) Length and supersonic speed induction nozzle(142)Length ratio be 1.5:1, the air-flow scatterer(143)Opening diameter With supersonic speed induction nozzle(142)Diameter ratio be 4:1;The supersonic speed induction nozzle(142)Gas channel include First current stabilization stomata(144), pressurized gas port(145), the first current stabilization stomata(144)Positioned at supersonic speed induction nozzle(142) Air inlet side, the pressurized gas port(145)Positioned at supersonic speed induction nozzle(142)Outlet side, the first current stabilization gas Hole(144)With pressurized gas port(145)Connection, the pressurized gas port(145)Internal diameter gradually increase along airflow direction.
2. a kind of small-sized pulsed jet cloth filter as described in claim 1, it is characterised in that:The cylinder(9)On be connected with Gas storage packet(3), the gas storage packet(3)Pass through air inlet pipeline and each net gas small chamber respectively(15)Interior injection tube(7)Connection, And it is used to connect gas storage packet each(3)With net gas small chamber(15)Air inlet pipeline on be both provided with pulse valve(2).
3. a kind of small-sized pulsed jet cloth filter as described in claim 1, it is characterised in that:The first current stabilization stomata (144)Internal diameter with injection branch pipe(141)Internal diameter ratio be 1:3, the pressurized gas port(145)Aperture and the first current stabilization Stomata(144)Aperture ratio be 1:4, the pressurized gas port(145)Length and the first current stabilization stomata(144)Length Ratio is 1:3, the pressurized gas port(145)The inlet and outlet gradient be 3 °;The scattered porosity(146)Aperture and pressurized gas port (145)Aperture ratio be 1.5:1.
4. a kind of small-sized pulsed jet cloth filter as described in claim 1, it is characterised in that:The scattered porosity(146)If 6 are set to, 6 scattered porosities(146)Along air-flow scatterer(143)Circumferential direction be uniformly distributed.
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CN107970707A (en) * 2017-10-26 2018-05-01 湖州兴远涂装设备有限公司 A kind of pulse cleaner for being used for integrated lifting
CN108079679B (en) * 2017-12-22 2023-12-01 江苏全风环保科技有限公司 Modularized industrial dust remover
CN108754538B (en) * 2018-07-24 2023-08-29 重庆国丰实业有限公司 Alumina powder absorbing and recycling device for aluminum electrolysis cell
CN109529519A (en) * 2019-01-07 2019-03-29 佛山市佛丹职业安全卫生设备有限公司 The cabinet type small-sized off-line ash-clearing deduster of one and its control method
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