CN114570123A - Jetting system of pulse type bag-type dust collector - Google Patents
Jetting system of pulse type bag-type dust collector Download PDFInfo
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- CN114570123A CN114570123A CN202210269298.0A CN202210269298A CN114570123A CN 114570123 A CN114570123 A CN 114570123A CN 202210269298 A CN202210269298 A CN 202210269298A CN 114570123 A CN114570123 A CN 114570123A
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- blowing
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- pipe
- box body
- dust collector
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention discloses a blowing system of a pulse type bag-type dust collector, which comprises a plurality of groups of blowing pipes fixed in a box body, wherein each group of blowing pipes are arranged in parallel along the box body, the middle part of each blowing pipe is provided with a middle support frame positioned on the box body, one end of each blowing pipe is provided with an end support frame positioned on the box body, a plurality of nozzles are equidistantly arranged on each blowing pipe, each blowing pipe is connected to an electromagnetic pulse valve through a pulse valve connecting pipe, and a gas distribution bag is arranged between each pulse valve connecting pipe and the corresponding electromagnetic pulse valve. The pulse type bag-type dust remover blowing system provided by the invention has the advantages of good dust removing and blowing effects, high compressed air strength, reasonable structure, convenience in installation, low failure rate, low blowing air consumption, uniform and rapid air flow injection, small blowing resistance, good sealing performance, capability of realizing automatic control and more remarkable dust removing effect.
Description
Technical Field
The invention belongs to the technical field of bag type dust collectors, and particularly relates to a blowing system of a pulse type bag type dust collector.
Background
At present, low-pressure long-cloth-bag pulse type dust collectors are various in types, cloth-bag dust cleaning devices are more in types, and pulse blowing systems are most widely used.
The pulse blowing systems currently on the market generally include two types: one is to blow the whole box body, and is suitable for a bag type dust collector with a shorter cloth bag length; the other is that a plurality of blowing pipes respectively blow the cloth bag, and the bag type dust collector is suitable for the bag type dust collector with the length of the cloth bag being in medium and long distance; the existing low-pressure long cloth bag pulse type dust collector has various types, but in order to reduce the occupied area and save the cost, under the condition of processing the air volume, the cloth bag has the length which is better. Therefore, most of low-pressure long-bag pulse type dust collectors adopt a plurality of injection pipes to inject the bags during dust removal, and the pulse injection system can be suitable for the bag type dust collectors with the lengths of medium and long bags.
The existing pulse blowing system has the disadvantages of unsatisfactory blowing effect, insufficient blowing compressed air strength and dispersed compressed air flow, so that the blowing strength on a cloth bag is insufficient, dust on the cloth bag is not thoroughly removed, and the subsequent dust removal effect of the cloth bag is negatively influenced; the inventors have therefore developed improvements to the problems of the prior art.
Disclosure of Invention
The invention provides the blowing system of the pulse type bag-type dust remover, which has the advantages of convenient installation, low blowing air consumption, uniform air flow jet and good blowing and dust removing effects.
The specific technical scheme is as follows:
a blowing system of a pulse type bag-type dust collector is characterized by comprising a plurality of groups of blowing pipes fixed in a box body, wherein each group of blowing pipes are arranged in parallel along the box body, the blowing pipes are provided with nozzles, and the blowing pipes are provided with connecting holes for connecting the nozzles; the nozzle is of a conical structure and comprises an upper opening and a lower opening, the diameters of the upper opening and the lower opening are gradually increased, the upper opening corresponds to the connecting hole, and a slope transition section is arranged between the upper opening and the lower opening of the nozzle.
Furthermore, a middle support frame located on the box body is arranged in the middle of the injection pipe, an end support frame located on the box body is arranged at one end of the injection pipe, a plurality of nozzles are arranged on the injection pipe at equal intervals, the injection pipe is connected to the electromagnetic pulse valve through the pulse valve connecting pipe, and a gas distribution bag is arranged between the pulse valve connecting pipe and the electromagnetic pulse valve.
Preferably, the air distribution bag comprises an air release valve, an air inlet, a pressure gauge and a blow-off valve, and the pulse valve connecting pipe is fixed on the box body through a sealing plate.
Preferably, one end of the connecting sleeve is fixedly connected with the pulse valve connecting pipe, the other end of the connecting sleeve is connected with the blowing pipe in a socket-and-spigot manner, and a sealing ring is arranged in the connecting sleeve.
Preferably, the pulse valve connecting pipe is further provided with a supporting seat for fixing the pulse valve connecting pipe, the supporting seat is fixed on the box body, the pulse valve connecting pipe comprises a welding type connecting pipe and a connecting type connecting pipe, and the installation position of the connecting type connecting pipe corresponds to the off-line valve.
Preferably, the middle support frame fixes the blowing pipe through a U-shaped bolt, and the end support frame fixes the blowing pipe through a bolt connection mode.
As a preferable mode, a plurality of blowing holes are arranged on the same side of the plurality of groups of blowing pipes, the blowing holes are vertically connected with the nozzles below the box body, and the nozzles are vertical or inclined and face the cloth bag.
The nozzle is fixedly connected with the blowing pipe, the upper opening is connected with the connecting hole, and the upper opening and the pipe wall of the blowing pipe are mutually engaged.
The pulse type bag-type dust remover blowing system provided by the invention has the advantages of good dust removing and blowing effects, high compressed air strength, reasonable structure, convenience in installation, low failure rate, low blowing air consumption, uniform and rapid air flow injection, small blowing resistance, good sealing performance, capability of realizing automatic control and more remarkable dust removing effect.
Drawings
FIG. 1: the invention discloses a schematic overall structure diagram of a blowing system of a pulse bag-type dust collector;
FIG. 2: the local enlarged view at the position I of the blowing system of the pulse type bag-type dust remover is provided;
FIG. 3: the invention discloses a schematic view of an A direction of a blowing system of a pulse type bag-type dust collector;
FIG. 4: the invention discloses a schematic structural diagram of a top view of a blowing system of a pulse bag-type dust collector;
description of reference numerals: 1. the device comprises an electromagnetic pulse valve, 2, a gas distribution bag, 3, a sealing plate, 4, a pulse valve connecting pipe, 5, a supporting seat, 6, a connecting sleeve, 7, a blowing pipe, 8, a nozzle, 9, a middle supporting frame, 10, an end supporting frame, 11, an off-line valve, 12, a box body, 201, a vent valve, 202, an air inlet, 203, a pressure gauge, 204, a blow-off valve, 42, a welding type connecting pipe, 43, a connecting type connecting pipe, 71, a connecting hole, 801, an upper port, 802, a transition section, 803 and a lower port.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 4, a blowing system of a pulse bag-type dust collector comprises a plurality of groups of blowing pipes 7 fixed in a box body 12, wherein each group of blowing pipes 7 are arranged in parallel along the box body 12, a middle support frame 9 located on the box body 12 is arranged in the middle of each blowing pipe 7, an end support frame 10 located on the box body 12 is arranged at one end of each blowing pipe 7, a plurality of nozzles 8 are equidistantly arranged on each blowing pipe 7, each blowing pipe 7 is connected to an electromagnetic pulse valve 1 through a pulse valve connecting pipe 4, a gas distribution bag 2 is arranged between each pulse valve connecting pipe 4 and the electromagnetic pulse valve 1, the middle support frames 9 fix the blowing pipes 7 through U-shaped bolts, and the end support frames 10 are fixed with the blowing pipes 7 through bolt connection; a connecting hole 71 for connecting the nozzle is formed in the blowing pipe 7; the nozzle 8 is in a conical structure, the nozzle 8 comprises an upper opening 801 and a lower opening 803, the diameters of the upper opening 801 and the lower opening 803 are gradually increased, the upper opening 801 corresponds to the connecting hole 71, and a transition section 802 with a slope is arranged between the upper opening 801 and the lower opening 803 of the nozzle 8.
The nozzle 8 is in a conical structure, an upper opening 801 of the nozzle 8 is connected with the blowing pipe 7, the diameter of the upper opening 801 is smaller than that of a lower opening 803, and a transition section with a slope is arranged between the upper opening 801 and the lower opening 803 of the nozzle 8. The connecting sleeve 6 is additionally arranged at the joint of the pulse valve connecting pipe 4 and the injection pipe 7, one end of the connecting sleeve 6 and the pulse valve connecting pipe 4 are welded tightly, the other end of the connecting sleeve 6 and the injection pipe 7 are in tight socket connection but are not welded, and a sealing ring arranged inside the connecting sleeve 6 can ensure the sealing performance of the whole injection pipe and avoid the phenomenon of air leakage during injection ash removal and is convenient for the disassembly work of the injection pipe during the replacement of a cloth bag or the overhaul of a bag chamber.
The conical nozzles with the thick upper parts and the thin lower parts are adopted by each injection nozzle of the injection pipe 7, so that the instantaneous right-angle turning resistance of high-speed airflow is very large when pulse injection is used for ash removal, and the conical nozzles are adopted, so that the injection resistance is greatly reduced. The conical drainage holes with the thin upper parts and the thick lower parts are adopted in the nozzle transition section 802, so that surrounding air can be quickly induced, and the blowing amount can reach more than 5 times of that when the drainage holes are not adopted. The section straight tube that nozzle end opening 803 set up can make the air that the drainage was come carry out transient acceleration, makes the air current can reach the sack bottom evenly fast, like this when the dust remover pulse jetting deashing, only needs a small amount of jet-propelled volume, just can reach the best deashing effect, has greatly reduced the air consumption.
The support frame 10 at the end part of the injection pipe 7 is provided, and each injection pipe 7 is fixed through the bolt group, so that the support strength of the injection pipe 7 is ensured, and the difficulty in dismounting the injection pipe 7 is reduced.
The pulse valve connecting pipe 4 is connected with the blowing pipe 7 through a connecting sleeve 6; one end of the connecting sleeve 6 is fixedly connected with the pulse valve connecting pipe 4, the other end of the connecting sleeve 6 is connected with the blowing pipe 7 in a socket-and-spigot manner, and a sealing ring is arranged in the connecting sleeve.
As further shown in fig. 3, the gas distribution bag 2 includes a release valve 201, a gas inlet 202, a pressure gauge 203, and a blow-off valve 204, and the pulse valve adapter 4 is fixed on the box body 12 through a sealing plate 3.
When the blowing system works, compressed air is filled into the air-filled bag 2 through the air inlet 202 of the compressed air, the compressed air sequentially enters the pulse valve connecting pipe 4 and the blowing pipe 7 under the control of the electromagnetic pulse valve 1, the compressed air is finally sprayed out through the nozzle 8 to reach the bottom of the cloth bag, and the process is automatically controlled; after working for a period of time, certain water and other impurities exist in the gas distribution bag 2, and at the moment, the drain valve 204 is opened, so that the water and other impurities remained in the gas distribution bag 2 can be discharged; when the electromagnetic pulse valve is overhauled, compressed gas in the gas distribution bag 2 needs to be discharged, at the moment, the compressed air inlet 202 is closed, and the air release valve 201 is opened, namely, the compressed gas in the gas distribution bag 2 is discharged.
Connecting type pulse valve takeover 4 and connecting type pulse valve takeover supporting seat 5 are supporting to be installed in the position department of the off-line valve 11 that corresponds, and when need get into the inside maintenance off-line valve of box, can demolish connecting type pulse valve takeover 4 and connecting type pulse valve takeover supporting seat 5, guarantee that near the entering into off-line valve 11 that the maintainer can be smooth overhauls, can provide great maintenance space for the maintainer.
As a preferred embodiment, further referring to fig. 4, a plurality of blowing holes are provided on the same side of the plurality of groups of blowing pipes 7, the blowing holes are connected with the nozzles 8 vertically below the box body 12, and the nozzles 8 are vertically downward and face toward the cloth bag; and a middle support frame 9 of the blowing pipe 7 fixes the blowing pipe 7 through a U-shaped bolt. In order to maximize the amount of blow by the solenoid pulse valves 1, the blow pipes 7 connected to the individual solenoid pulse valves 1 are provided with as many nozzles 8 at equal intervals as possible, and the length of the blow pipes 7 is increased.
During blowing, the blowing pipe 7 can swing to a certain degree due to the influence of the counterforce because the instantaneous airflow at the nozzle 8 is sprayed out; when static, because the length of jetting pipe, jetting pipe 7 can receive the influence of gravity, and the middle part also has sinking of certain degree, and long-term the use leads to jetting pipe 7 to warp, so fix through middle part support frame 9. The problems of swinging of the blowing pipe 7 during blowing and deformation of the blowing pipe when the blowing pipe is static can not occur, and the stability of the whole structure is better.
The pulse valve connecting pipe 4 is provided with a supporting seat 5 for fixing the pulse valve connecting pipe 4, the supporting seat 5 is fixed on the box body 12, the pulse valve connecting pipe 4 comprises a welding type connecting pipe 42 and a connecting type connecting pipe 43, and the installation position of the connecting type connecting pipe 42 corresponds to the off-line valve 11.
The pulse type bag-type dust remover blowing system provided by the embodiment has the advantages of good dust removal and blowing effects, high compressed air strength, reasonable structure, convenience in installation, low failure rate, low blowing air consumption, uniformity and rapidness in air flow injection, small blowing resistance and good sealing performance, and can realize automatic control and more remarkable dust removal effect.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and all other embodiments that can be obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention, and various changes and modifications of the technical solution of the present invention by those skilled in the art without departing from the concept of the present invention shall fall within the protection scope determined by the claims of the present invention.
Claims (9)
1. The blowing system of the pulse bag-type dust collector is characterized by comprising a plurality of groups of blowing pipes (7) fixed in a box body (12), wherein each group of blowing pipes (7) are arranged in parallel along the box body (12), nozzles (8) are arranged on the blowing pipes (7), and connecting holes (71) used for connecting the nozzles are formed in the blowing pipes (7);
the nozzle (8) is of a conical structure, the nozzle (8) comprises an upper opening (801) and a lower opening (803) with gradually increasing diameters, the upper opening (801) corresponds to the connecting hole (71), and a transition section (802) with a slope is arranged between the upper opening (801) and the lower opening (803) of the nozzle (8).
2. The blowing system of the pulse-type bag dust collector of claim 1, which is characterized in that: the middle part of the injection pipe (7) is provided with a middle support frame (9) located on the box body (12), one end of the injection pipe (7) is provided with an end support frame (10) located on the box body (12), the injection pipe (7) is equidistantly provided with a plurality of nozzles (8), the injection pipe (7) is connected to the electromagnetic pulse valve (1) through the pulse valve connecting pipe (4), and a gas distribution bag (2) is arranged between the pulse valve connecting pipe (4) and the electromagnetic pulse valve (1).
3. The blowing system of the pulse-type bag dust collector of claim 2, wherein: the gas distribution bag (2) comprises a release valve (201), a gas inlet (202), a pressure gauge (203) and a blow-down valve (204), and the pulse valve connecting pipe (4) is fixed on the box body (12) through a sealing plate (3).
4. The blowing system of the pulse-type bag dust collector of claim 2, wherein: the pulse valve connecting pipe (4) is connected with the blowing pipe (7) through a connecting sleeve (6).
5. The blowing system of the pulse-type bag dust collector of claim 4, wherein: one end of the connecting sleeve (6) is fixedly connected with the pulse valve connecting pipe (4), the other end of the connecting sleeve (6) is connected with the blowing pipe (7) in a socket joint mode, and a sealing ring is arranged inside the connecting sleeve (6).
6. The blowing system of the pulse-type bag dust collector of claim 2, wherein: still be equipped with on pulse valve takeover (4) and be used for fixing supporting seat (5) of pulse valve takeover (4), supporting seat (5) are fixed on box (12), pulse valve takeover (4) are taken over (42) and connection type and are taken over (43) including the welding formula, the mounted position of connection type takeover (43) corresponds off-line valve (11).
7. The blowing system of the pulse-type bag dust collector of claim 2, wherein: the middle supporting frame (9) is used for fixing the blowing pipe (7) through a U-shaped bolt, and the end supporting frame (10) is fixed with the blowing pipe (7) in a bolt connection mode.
8. The blowing system of the pulse-type bag dust collector of claim 1, which is characterized in that: a plurality of blowing holes are arranged on the same side of the plurality of groups of blowing pipes (7), the blowing holes are vertically connected with the nozzles (8) below the box body (12), and the nozzles (8) are vertical or inclined and face the cloth bag.
9. The blowing system of the pulse-type bag dust collector of claim 1, which is characterized in that: the nozzle (8) is fixedly connected with the blowing pipe (7), the upper opening (801) is connected with the connecting hole (71), and the upper opening (801) and the pipe wall of the blowing pipe (7) are mutually matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269298.0A CN114570123A (en) | 2022-03-18 | 2022-03-18 | Jetting system of pulse type bag-type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269298.0A CN114570123A (en) | 2022-03-18 | 2022-03-18 | Jetting system of pulse type bag-type dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114570123A true CN114570123A (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210269298.0A Pending CN114570123A (en) | 2022-03-18 | 2022-03-18 | Jetting system of pulse type bag-type dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114570123A (en) |
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2022
- 2022-03-18 CN CN202210269298.0A patent/CN114570123A/en active Pending
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