CN106422567B - A kind of deduster efficiently induces blowing device and pulsed jet cloth filter - Google Patents
A kind of deduster efficiently induces blowing device and pulsed jet cloth filter Download PDFInfo
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- CN106422567B CN106422567B CN201610891621.2A CN201610891621A CN106422567B CN 106422567 B CN106422567 B CN 106422567B CN 201610891621 A CN201610891621 A CN 201610891621A CN 106422567 B CN106422567 B CN 106422567B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of dedusters efficiently to induce blowing device and pulsed jet cloth filter, belong to the bag filter in technical field of dust removal equipment, its purpose is to provide a kind of dedusters efficiently to induce blowing device and pulsed jet cloth filter, improves the cleaning efficiency of deduster.It includes injection branch pipe that the deduster, which efficiently induces blowing device, the one end for being blown branch pipe is connected to the injection tube in corresponding net gas small chamber, the other end of injection branch pipe is communicated with supersonic speed induction nozzle, the other end of supersonic speed induction nozzle is communicated with air-flow scatterer, and scattered porosity is offered in air-flow scatterer.The interior intracavitary of the blowing device is provided with above-mentioned deduster other than dividing and having multiple purification small chambers, above the filter bag also in each purification small chamber and efficiently induces blowing device.The present invention is suitable for bag filter.
Description
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 falls into ash bucket since the effect of gravity settles down, and the gas containing relatively fine dust is passing through filter
When material, dust makes gas be purified by detention.
Pulsed jet cloth filter is 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.
Application No. is 201520124644.1 patents of invention to disclose 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 save several segmentation cells steel plate, 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 chamber off-line ash-clearing structure is not arranged in it, is carrying out
When deashing or make deduster be stopped to 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 deduster is provided and efficiently induces blowing device and the arteries and veins equipped with the blowing device
Bag filter is rushed, the ash-removal effect of deduster is improved.
The technical solution adopted by the present invention is as follows：
A kind of deduster efficiently induces blowing device, including injection branch pipe, one end of the injection branch pipe and corresponding net gas
The other end of injection tube connection in small chamber, the injection branch pipe is communicated with supersonic speed induction nozzle, the supersonic speed induction
The other end of nozzle 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
The ratio of the length and the outer diameter of injection branch pipe of leading nozzle is 2:1；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 to 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 ratio in the aperture of the scattered porosity and the aperture of pressurized gas port
Value 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.
A kind of pulsed jet cloth filter, including cylinder are connected with air inlet, exhaust outlet on the side wall of the cylinder, described
Air-purifying chamber in cylinder, at multiple net gas small chambers, is each both provided with filter bag, often by locellus separator lined in net gas small chamber
The blowing device that can be blown into corresponding filter bag is both provided with above the sack of a filter bag, the blowing device is connected by injection tube
It is connected to air source；The blowing device includes injection branch pipe, one end of the injection branch pipe and the injection in corresponding net gas small chamber
Pipe is connected to, and the other end of the injection branch pipe is communicated with supersonic speed induction nozzle, and the other end of the supersonic speed induction nozzle connects
It is connected with air-flow scatterer, scattered porosity is offered in the air-flow scatterer.
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 with for being connected on air inlet pipeline of the gas storage packet with net gas small chamber
Valve.
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
The ratio of the length and the outer diameter of injection branch pipe of leading nozzle is 2:1；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 to 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 ratio in the aperture of the scattered porosity and the aperture of pressurized gas port
Value 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：
In the present invention, air-purifying chamber in the cylinder by locellus separator lined at multiple net gas small chambers, each surprised small
It is both provided with filter bag in chamber, and blowing device is both provided with above the sack of each filter bag, it can be to filter by the blowing device
High speed and high pressure gas is blown in bag；When deduster works, each net gas small chamber is connected by pipeline and air inlet, exhaust outlet
It is logical, 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 needing deashing,
Corresponding cylinder movement on the filter bag of deashing, air holes pressing plate is needed to block negative pressure air air holes, corresponding gas transmission access blocks,
No longer there is negative pressure in corresponding net gas small chamber, but other do not need the net gas small chamber of deashing, the normal dust removal process of filter bag,
Then air source is filled with high speed and high pressure air-flow into corresponding filter bag by pipeline, corresponding blowing device, makes to be formed just in filter bag
Pressure, to complete to handle the deashing of filter bag by high speed and high pressure gas shock filter bag；Since portion can be achieved at the same time in the deduster
Point normal dedusting of filter bag, part filter bag realize deashing, in deashing without stopping the work of entire deduster, and in the filter of deashing
The positive pressure that only blowing device provides it in bag, the channel for generating negative pressure has been blocked, to can effectively avoid in deashing
When positive pressure, negative pressure air the case where even the offsetting that influence each other ensure dedusting to improve the ash-removal effect of entire deduster
Efficiency of dust collection of the device in deashing, to improve the efficiency of dust collection of deduster on the whole；The blowing device is by injection branch pipe, Supersonic
The fast gentle wandering emitter composition of induction nozzle, compared with common blowing device of dust collecting device, after using efficiently induction blowing device
Relatively uniform along strainer length direction side wall normal pressure peak value and peak value is larger, each measuring point of filter bag reaches just in synchronization substantially
Peak value, it is ensured that the uniformity of inner wall deashing pressure on filter bag length direction；Using the deduster of efficient induction injection dress set
Also have the advantage that：1. air supply needed for deashing is less, and required pressure is relatively low, saves electric energy；2. deashing frequency declines,
Life-span of the filter bag is extended；3. configuring pulse valve negligible amounts, primary investment and maintenance workload can be reduced；4. cleaning efficiency
Height, deduster can keep lower pressure drop, and the operating cost of dust pelletizing system is made to decline.
Description of the drawings
Fig. 1 is the structural schematic diagram of deduster；
Fig. 2 is the vertical view of deduster；
Fig. 3 is the structural schematic diagram of blowing device；
Pressure-plotting when Fig. 4 is to the progress deashing property experiment of Ф 325mm × 660mm filter cylinders inside filter bag；
The speed vector figure of filter pocket mouths when Fig. 5 is to the progress deashing property experiment of Ф 325mm × 660mm filter cylinders；
The velocity vector of supersonic speed induction nozzle when Fig. 6 is to the progress deashing property experiment of 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 carrying out deashing using the deduster of plain nozzle；
Fig. 9 is the structural schematic 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- go out
Gas port, 35- electric heating tubes, 36- center tubes, 37- shells, 38- binding posts, 39- connecting plates.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of pulsed jet cloth filter, the deduster include cylinder 9, be connected on the side wall of cylinder 9 air inlet 4,
Exhaust outlet 6, the exhaust outlet 6 are arranged higher than air inlet 4；When work, external air-introduced machine work passes through the air inlet 4, exhaust outlet 6
The air-purifying chamber in cylinder 9 can be made to form negative pressure, so as to finally realize the purpose of dedusting.9 bottom of cylinder offers discharge port
5, the dust being collected into when dedusting in cylinder 9 can be finally collected by the discharge port 5, be utilized, and reduced dust and arbitrarily arranged
Put pollution on the environment.It is provided with locellus partition board 12 in air-purifying chamber in the cylinder 9, it can be by cylinder by the locellus partition board 12
Body 9 is divided into net gas small chamber one by one, and each net gas small chamber is equivalent to an independent dedusting space, net gas small chamber
It is not interfere with each other between net gas small chamber,.Each net gas small chamber is connected by channel or pipeline with air inlet 4, exhaust outlet 6
It is logical, thus can form negative pressure in each net gas small chamber when air-introduced machine works.It is respectively provided in each net gas small chamber
There is seal cover board 10, which is arranged less than exhaust outlet 6, thus between seal cover board 10 and the roof of cylinder 9 just
The channel for being flowed for air-flow is formed, and the channel is connected to exhaust outlet 6.On seal cover board 10 in each net gas small chamber
Negative pressure air air holes 11 is offered, each independent net gas small chamber and air draft can be enable by the negative pressure air air holes 11
Mouth 6 is connected to, and each independent net gas small chamber can just be made not interfere with each other its work.It is both provided with filter in each net gas small chamber
Bag 8, when, there are when negative pressure, which can realize the effect of dedusting in net gas small chamber.Above the sack of each filter bag 8
It is provided with blowing device 14, which is that deduster efficiently induces blowing device.Blowing device on each filter bag 8
14 are respectively positioned on the lower section of seal cover board 10, and the blowing device 14 in each net gas small chamber is connected by corresponding pipeline and air source
It connects.The air source can be that blowing device 14 provides gas, and high speed and high pressure gas can be filled with into corresponding filter bag 8 by the blowing device 14
Stream, high speed and high pressure airflow function on filter bag 8, it can be achieved that handling the deashing of filter bag 8.In addition, being arranged on the top plate of cylinder 9
There are multiple cylinders 1, the position of multiple cylinders 1, quantity to correspond to the setting of negative pressure air air holes 11 on each seal cover board 10；The gas
The output shaft of cylinder 1 stretches into cylinder 9, and is connected with air holes pressing plate 13 in the output shaft end of cylinder 1, the position of the air holes pressing plate 13
Set, shape, size are adapted with the position of negative pressure air air holes 11, shape, size on seal cover board 10, so as to pass through the wind
Hole pressing plate 13 blocks the negative pressure air air holes 11 of corresponding position, 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 is connected to, and is respectively provided with each for being connected on air inlet pipeline of the gas storage packet 3 with net gas small chamber
There is pulse valve 2, the corresponding air inlet pipe for being connected to gas storage packet 3 and net gas small chamber can be opened or block by the pulse valve 2
Road is realized and is filled with high speed and high pressure gas into corresponding purification small chamber or blocks that be filled with high speed into corresponding purification small chamber high
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
It is provided with seal cover board 10, 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, to connection or the company of blocking corresponding net gas small chamber and exhaust outlet 6
It is logical；It is both provided with filter bag 8 in each surprised small chamber, and blowing device 14 is both provided with above the sack of each filter bag 8, leads 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 to 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 is negative pressure in corresponding net gas small chamber, but other do not need the net of deashing
Gas small chamber, 8 normal dust removal process of filter bag, then air source filled into corresponding filter bag 8 by pipeline, corresponding blowing device 14
Enter high speed and high pressure air-flow, make to form positive pressure in filter bag 8, to be completed to the clear of filter bag 8 by high speed and high pressure gas shock filter bag 8
Ash processing；Since the 8 normal dedusting of part filter bag can be achieved at the same time in the deduster, part filter bag 8 realizes deashing, it is not necessarily in deashing
Stop the work of entire deduster, and the positive pressure that only blowing device 14 provides it in the filter bag of deashing 8, generates negative pressure
Channel has been blocked, and is influenced each other the case where even offsetting to can effectively avoid positive pressure, negative pressure air in deashing, from
And the ash-removal effect of entire deduster is improved, ensure efficiency of dust collection of the deduster in deashing, to improve deduster on the whole
Efficiency of dust collection.
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 be connected to, 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.In injection tube 7
High speed and high pressure air-flow can pass sequentially through injection branch pipe 141, supersonic speed induction nozzle 142, dissipate 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 of air-flow scatterer 143 146 sprays
It connects and acts in filter bag 8, the dust on filter bag 8 is cleaned up, realize and the deashing of filter bag 8 is handled.
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 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, 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 to 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
Stomata 147, the second current stabilization stomata 148 are crossed, the air-flow in supersonic speed induction nozzle 142 passes sequentially through the first current stabilization stomata 144, ball
Enter in air-flow scatterer 143 after shape transition stomata 147, the second current stabilization stomata 148, pressurized gas port 145；By the way that spherical mistake is arranged
Stomata 147, the second current stabilization stomata 148 are crossed, air-flow can be made to realize steady mistake between the first current stabilization stomata 144, pressurized gas port 145
It crosses, reduces air-flow and generate the speed for colliding and reducing air-flow when flowing through the first current stabilization stomata 144, pressurized gas port 145.
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 along the circumferential equal of air-flow scatterer 143
Even distribution.
The blowing device 14 is made of the gentle wandering emitter of injection branch pipe 141, supersonic speed induction nozzle 142 143, 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 of efficient induction injection dress set：1. compression 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. configuring arteries and veins
2 negligible amounts of valve are rushed, primary investment and maintenance workload can be reduced；4. cleaning efficiency is high, deduster can keep lower pressure
Drop, makes the operating cost of dust pelletizing system decline.
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 device can also be used
Packet 3, can be improved temperature and pressure in gas storage packet 3, to make gas storage packet 3 spray height by the heating device on the gas storage packet 3
The air-flow of fast high pressure.The gas storage packet includes gas storage pipeline 36, and shell 37 is also arranged with outside gas storage pipeline 36, and the shell 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, to form the heating chamber 32 for accommodating gas between 37 inside of shell and 36 outer wall of gas storage pipeline.
It is connected with air inlet 33 in the lower end of 37 side wall of shell (i.e. side plate), outlet is connected in the upper end of 37 side wall of shell (i.e. side plate)
Mouth 34, and the air inlet 33, heating chamber 32 and gas outlet 34 are sequentially communicated, and will be inflated or be arranged in heating chamber 32 to realize
Gas.It is additionally provided with heating device in the heating chamber 32, which connect with external power supply, so as to pass through the heating device
Heat is discharged 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 the temperature of air increase, the air pressure in gas storage pipeline 36 and gas storage packet 3 makes the gas being discharged via gas storage packet 3
Body forms the air-flow of high speed, high pressure.The heating device 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 shell 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,
Position is adapted with the quantity of binding post 38, position, 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 is 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 further includes having 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 shell 37 is attached, from
And facilitates and disassemble connecting plate 39 and the electric heating tube being fixedly connected on connecting plate 39 35 from shell 37.
It is arranged shell 37 in the outside of the gas storage pipeline 36 of gas storage packet 3, to the shape between shell 37 and gas storage pipeline 36
At the heating chamber 32 for accommodating gas；It is provided with heating device 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 improving the temperature 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, to
Improve the cleaning efficiency and ash-removal effect to filter bag 8.
Embodiment 1
A kind of deduster efficiently induces blowing device, including injection branch pipe 141, one end of the injection branch pipe 141 will with it is right
Injection tube 7 in the net gas small chamber answered is connected to, and the other end of the injection branch pipe 141 is communicated with supersonic speed induction nozzle 142, should
The other end of supersonic speed induction nozzle 142 is communicated with air-flow scatterer 143, and offers scattering gas in the air-flow scatterer 143
Hole 146.High speed and high pressure air-flow in injection tube 7 can pass sequentially through injection branch pipe 141, supersonic speed induction nozzle 142, air-flow scattering
It is sprayed from the scattered porosity 146 of air-flow scatterer 143 after device 143, and sprayed by the scattered porosity of air-flow scatterer 143 146
High speed and high pressure gas will bear directly against in filter bag 8, and the dust on filter bag 8 is cleaned up, and realizes and handles the deashing of filter bag 8.
Embodiment 2
On the basis of embodiment one, 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 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 3
On the basis of embodiment one or embodiment two, gas channel the first current stabilization gas of the supersonic speed induction nozzle 142
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 pressurized gas port
145 are located at the outlet side of supersonic speed induction nozzle 142, which is connected to pressurized gas port 145, the supercharging
The internal diameter of stomata 145 gradually increases along airflow direction.Further, it is also possible between the first current stabilization stomata 144, pressurized gas port 145
Spherical transition stomata 147, the second current stabilization stomata 148 are set gradually, the air-flow in supersonic speed induction nozzle 142 passes sequentially through first
Enter in air-flow scatterer 143 after current stabilization stomata 144, spherical transition stomata 147, the second current stabilization stomata 148, pressurized gas port 145；
By the way that spherical transition stomata 147, the second current stabilization stomata 148 is arranged, air-flow can be made in the first current stabilization stomata 144, pressurized gas port 145
Between realize a smooth transition, reduce air-flow is generated when flowing through the first current stabilization stomata 144, pressurized gas port 145 collides and reduce gas
The speed of stream.
Embodiment 4
On the basis of the above embodiments, the ratio of the internal diameter of the first current stabilization stomata 144 and the internal diameter of injection branch pipe 141
It 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 length of the pressurized gas port 145
Degree and the ratio of the length of the first current stabilization stomata 144 are 1:3, the inlet and outlet gradient of the pressurized gas port 145 is 3 °；The scattered porosity
The ratio in 146 aperture and the aperture of pressurized gas port 145 is 1.5:1.
Embodiment 5
On the basis of the above embodiments, which is set as 6, and 6 scattered porosities 146 are scattered along air-flow
The circumferential direction of device 143 is uniformly distributed.
Embodiment 6
A kind of pulsed jet cloth filter, the deduster include cylinder 9, be connected on the side wall of cylinder 9 air inlet 4,
Exhaust outlet 6, the exhaust outlet 6 are arranged higher than air inlet 4；When work, external air-introduced machine work passes through the air inlet 4, exhaust outlet 6
The air-purifying chamber in cylinder 9 can be made to form negative pressure, so as to finally realize the purpose of dedusting.9 bottom of cylinder offers discharge port
5, the dust being collected into when dedusting in cylinder 9 can be finally collected by the discharge port 5, be utilized, and reduced dust and arbitrarily arranged
Put pollution on the environment.It is provided with locellus partition board 12 in air-purifying chamber in the cylinder 9, it can be by cylinder by the locellus partition board 12
Body 9 is divided into net gas small chamber one by one, and each net gas small chamber is equivalent to an independent dedusting space, net gas small chamber
It is not interfere with each other between net gas small chamber.Each net gas small chamber is connected by channel or pipeline with air inlet 4, exhaust outlet 6
It is logical, thus can form negative pressure in each net gas small chamber when air-introduced machine works.It is respectively provided in each net gas small chamber
There is filter bag 8, when, there are when negative pressure, which can realize the effect of dedusting in net gas small chamber.On the sack of each filter bag 8
Side is both provided with blowing device 14, 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
Blowing device 14 in small chamber is connect by corresponding pipeline with air source.The air source can be that blowing device 14 provides gas,
It can be filled with high speed and high pressure air-flow into corresponding filter bag 8 by the blowing device 14, high speed and high pressure airflow function, can on filter bag 8
It realizes and the deashing of filter bag 8 is handled.The blowing device 14 includes injection branch pipe 141, one end of the injection branch pipe 141 will with it is corresponding
Net gas small chamber in injection tube 7 be connected to, the other end of the injection branch pipe 141 is communicated with supersonic speed induction nozzle 142, this is super
The other end of velocity of sound induction nozzle 142 is communicated with air-flow scatterer 143, and offers scattered porosity in the air-flow scatterer 143
146.High speed and high pressure air-flow in injection tube 7 can pass sequentially through injection branch pipe 141, supersonic speed induction nozzle 142, air-flow scatterer
It is sprayed from the scattered porosity 146 of air-flow scatterer 143 after 143, and the height sprayed by the scattered porosity of air-flow scatterer 143 146
Fast high pressure gas will bear directly against in filter bag 8, and the dust on filter bag 8 is cleaned up, and realizes and handles the deashing of filter bag 8.
Embodiment 7
On the basis of embodiment six, it is also associated with gas storage packet 3 on the cylinder 9, which passes through air inlet pipe respectively
Road is connected to the injection tube 7 in each net gas small chamber, and in each air inlet pipe for being connected to gas storage packet 3 and net gas small chamber
Road is both provided with pulse valve 2, can open or block by the pulse valve 2 and is corresponding for being connected to gas storage packet 3 and the small chamber of net gas
The air inlet pipeline of room is realized and is filled with high speed and high pressure gas into corresponding purification small chamber or blocks into corresponding purification small chamber
It is filled with high speed and high pressure gas.
Embodiment 8
On the basis of embodiment six or embodiment seven, outer diameter and the injection branch pipe 141 of the supersonic speed induction nozzle 142
The ratio of outer diameter 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 gas
The length of wandering emitter 143 is 1.5 with the ratio of the length of supersonic speed induction nozzle 142:1, the opening of the air-flow scatterer 143
The ratio of diameter and the diameter of supersonic speed induction nozzle 142 is 4:1.
Embodiment 9
On the basis of embodiment six, embodiment seven or embodiment eight, the gas channel of the supersonic speed induction nozzle 142
One current stabilization stomata 144, pressurized gas port 145, the first current stabilization stomata 144 are located at the air inlet side of supersonic speed induction nozzle 142, should
Pressurized gas port 145 is located at the outlet side of supersonic speed induction nozzle 142, which connects with pressurized gas port 145
Logical, 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, supercharging gas
Spherical transition stomata 147, the second current stabilization stomata 148 are set gradually between hole 145, the air-flow in supersonic speed induction nozzle 142 according to
It is secondary by being dissipated into air-flow after the first current stabilization stomata 144, spherical transition stomata 147, the second current stabilization stomata 148, pressurized gas port 145
In emitter 143；By the way that spherical transition stomata 147, the second current stabilization stomata 148 is arranged, can make air-flow the first current stabilization stomata 144,
It realizes a smooth transition between pressurized gas port 145, reduction air-flow is generated when flowing through the first current stabilization stomata 144, pressurized gas port 145 to be touched
Hit and reduce the speed of air-flow.
Embodiment 10
On the basis of embodiment six, embodiment seven, embodiment eight or embodiment nine, the first current stabilization stomata 144 it is interior
The ratio of diameter and the internal diameter of injection branch pipe 141 is 1:3, the aperture of the aperture of the pressurized gas port 145 and the first current stabilization stomata 144
Ratio 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 pressurized gas port 145
The inlet and outlet gradient be 3 °；The ratio in the aperture of the scattered porosity 146 and the aperture of pressurized gas port 145 is 1.5:1.
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 etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (6)
1. a kind of deduster efficiently induces blowing device, including injection branch pipe（141）, the injection branch pipe（141）One end with
Corresponding net gas small chamber（13）Interior injection tube（7）Connection, the injection branch pipe（141）The other end be communicated with supersonic speed induction
Nozzle（142）, the supersonic speed induction nozzle（142）The other end be communicated with air-flow scatterer（143）, the air-flow scatterer
（143）Inside offer scattered porosity（146）；The supersonic speed induction nozzle（142）Outer diameter with injection branch pipe（141）Outer diameter
Ratio be 1:2, the supersonic speed induction nozzle（142）Length with injection branch pipe（141）Outer diameter ratio be 2:1；Institute
State air-flow scatterer（143）Length and supersonic speed induction nozzle（142）Length ratio be 1.5:1, the air-flow scattering
Device（143）Opening diameter and supersonic speed induction nozzle（142）Diameter ratio be 4:1；The supersonic speed induction nozzle
（142）Gas channel include the first current stabilization stomata（144）, pressurized gas port（145）, the first current stabilization stomata（144）It is located 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 stomata（144）With pressurized gas port（145）Connection, the pressurized gas port（145）Internal diameter along air-flow side
Increase to gradual.
2. a kind of deduster as described in claim 1 efficiently induces blowing device, 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.
3. a kind of deduster as described in any one of claim 1-2 efficiently induces blowing device, it is characterised in that：It is described to dissipate
It emanates hole（146）6 are set as, 6 scattered porosities（146）Along air-flow scatterer（143）Circumferential direction be uniformly distributed.
4. a kind of pulsed jet cloth filter, including cylinder（9）, the cylinder（9）Side wall on be connected with air inlet（4）, air draft
Mouthful（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（13）,
Each net gas small chamber（13）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）Pass through injection tube（7）It is connected with air source；The blowing device
（14）Including being blown branch pipe（141）, the injection branch pipe（141）One end and corresponding net gas small chamber（13）Interior injection tube
（7）Connection, the injection branch pipe（141）The other end be communicated with supersonic speed induction nozzle（142）, the supersonic speed induction nozzle
（142）The other end be communicated with air-flow scatterer（143）, the air-flow scatterer（143）Inside offer scattered porosity（146）；
The supersonic speed induction nozzle（142）Outer diameter with injection branch pipe（141）Outer diameter ratio be 1:2, the supersonic speed induction
Nozzle（142）Length with injection branch pipe（141）Outer diameter ratio be 2:1；The air-flow scatterer（143）Length with it is super
Velocity of sound induction nozzle（142）Length ratio be 1.5:1, the air-flow scatterer（143）Opening diameter lured with supersonic speed
Lead nozzle（142）Diameter ratio be 4:1；The supersonic speed induction nozzle（142）Gas channel include the first current stabilization gas
Hole（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 stomata（144）With increasing
It calms the anger hole（145）Connection, the pressurized gas port（145）Internal diameter gradually increase along airflow direction.
5. a kind of pulsed jet cloth filter as claimed in claim 4, 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（13）Interior injection tube（7）Connection, and
It is each to be used to be connected to gas storage packet（3）With net gas small chamber（13）Air inlet pipeline on be both provided with pulse valve（2）.
6. a kind of pulsed jet cloth filter as claimed in claim 4, it is characterised in that：The first current stabilization stomata（144）'s
Internal diameter and 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
It 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891621.2A CN106422567B (en) | 2016-10-13 | 2016-10-13 | A kind of deduster efficiently induces blowing device and pulsed jet cloth filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891621.2A CN106422567B (en) | 2016-10-13 | 2016-10-13 | A kind of deduster efficiently induces blowing device and pulsed jet cloth filter |
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| Publication Number | Publication Date |
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| CN106422567A CN106422567A (en) | 2017-02-22 |
| CN106422567B true CN106422567B (en) | 2018-08-28 |
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| CN114515474A (en) * | 2020-11-19 | 2022-05-20 | 西南科技大学 | Double-ring type gap induction nozzle for pulse dust collector |
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| JP4151896B2 (en) * | 2003-03-31 | 2008-09-17 | 月島機械株式会社 | Exhaust gas treatment facility and exhaust gas treatment method |
| CN201295574Y (en) * | 2008-11-13 | 2009-08-26 | 嘉园环保股份有限公司 | Down flow type cartridge dust collector |
| CN102019115A (en) * | 2009-09-18 | 2011-04-20 | 吴蔓洁 | Pulse bag-type dust collector cell blowing method and dust collector thereof |
| CN205569966U (en) * | 2016-04-18 | 2016-09-14 | 福建龙净环保股份有限公司 | Dedicated jetting of jetting experiment pipe device |
| CN206121360U (en) * | 2016-10-13 | 2017-04-26 | 四川极速动力超微粉体设备制造有限公司 | High -efficient induced jetting device of dust remover and pulse bag dust collector ware |
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