CN112237801A - Positive and negative pressure dust collector - Google Patents
Positive and negative pressure dust collector Download PDFInfo
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- CN112237801A CN112237801A CN201910645526.8A CN201910645526A CN112237801A CN 112237801 A CN112237801 A CN 112237801A CN 201910645526 A CN201910645526 A CN 201910645526A CN 112237801 A CN112237801 A CN 112237801A
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- negative pressure
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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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
本发明公开了一种正负压力除尘装置，该装置由负压吸气管路组件、负压旋流组件、高压动力源、正压过滤箱四个组成部分。在负压压力作用下，含尘空气沿负压吸气管路进入由前级负压旋流器，在前级负压旋流器中，空气中的尘埃经过负压旋流和吸附物吸收后实现第一级负压净化。一级负压净化后的空气，在二级负压作用下，吸入后级负压旋流组件，经过二级负压旋浮除尘后的空气吸入高压风机，经高压风机，形成正压空气流，压入到正压过滤箱内前级负压旋流组件和后级负压旋流组件，两者形成前后串联关系，前级负压旋流组件尺寸比后级负压旋流组件对应尺寸大，两者之间尺寸对应成比例，形成空气流动的速度梯度，负压旋流组件下部圆桶内放置尘埃吸附物，实现高效率除尘。正压过滤箱内装过滤板，经过过滤板对空气进行正压过滤，过滤后的新鲜空气直接排到工作环境中。
The invention discloses a positive and negative pressure dust removal device. The device consists of four components: a negative pressure suction pipe assembly, a negative pressure swirl flow assembly, a high pressure power source and a positive pressure filter box. Under the action of negative pressure, the dust-laden air enters the front-stage negative pressure cyclone along the negative pressure suction pipeline. In the front-stage negative pressure cyclone, the dust in the air is absorbed by the negative pressure cyclone and adsorbents. Then realize the first-stage negative pressure purification. The air purified by the first-stage negative pressure is sucked into the negative-pressure swirl component of the second-stage under the action of the second-stage negative pressure. , press into the positive pressure filter box, the front-stage negative pressure swirl assembly and the rear-stage negative pressure swirl assembly, and the two form a front-to-back series relationship. The size of the two is proportional to each other, forming a velocity gradient of air flow, and dust adsorbents are placed in the lower barrel of the negative pressure swirl component to achieve high-efficiency dust removal. The positive pressure filter box is equipped with a filter plate, and the air is filtered by positive pressure through the filter plate, and the filtered fresh air is directly discharged into the working environment.
Description
Technical Field
The positive and negative pressure dust removal device is suitable for removing dust and filtering air in a working environment in engineering construction such as buildings, mines, tunnels and the like, and purifying the air.
Background
The air quality in the working environment is poor in engineering construction such as buildings, mines and tunnels. At present, a method for processing air in a working environment mostly adopts a water spraying or wet dust removing device in a working site. The field water spraying or wet type dust removing device forms water mist by spraying water, realizes the treatment of dust in the ambient air, consumes a large amount of water for dust removal, and causes secondary pollution of water to the environment to deteriorate the working environment;
the positive and negative pressure dust removal device adopts a positive and negative pressure system, completes the purification treatment of dust-containing air by utilizing secondary negative pressure and primary positive pressure, does not need to consume water source, and is a pollution-free environment-friendly air purification device.
Disclosure of Invention
The invention relates to a positive-negative pressure dust removal device which comprises a negative pressure air suction pipeline component A, a negative pressure rotational flow component B (B1, B2), a high-pressure power source C and a positive pressure filter box D, wherein the positive-negative pressure air suction pipeline component A is shown as a dotted line in the attached figure 1;
the negative pressure suction pipeline A is composed of a negative pressure suction port 1 and a negative pressure suction duct 2, the negative pressure suction port 1 is of a conical structure, and the negative pressure suction port 1 is arranged in a plurality of parallel connection for use according to the requirements of working environment when being designed and installed, so that the requirements of different dust removal amounts and a plurality of dust removal places are met. The negative pressure air suction duct 2 adopts a negative pressure pipeline, the length of the duct can be adjusted according to the actual work, and the negative pressure air suction port 1 is connected with the air suction pipeline 2 by adopting a bolt;
the negative pressure cyclone assembly B consists of a front-stage negative pressure cyclone assembly B1 and a rear-stage negative pressure cyclone assembly B2 which are connected in series. The structure forms of the front-stage negative pressure cyclone assembly B1 and the rear-stage negative pressure cyclone assembly B2 are consistent, the sizes are different, the size of the front-stage negative pressure cyclone assembly B1 is larger than the corresponding size of the rear-stage negative pressure cyclone assembly B2, and the sizes of the front-stage negative pressure cyclone assembly B1 and the rear-stage negative pressure cyclone assembly B2 are correspondingly proportional. The front-stage negative pressure rotational flow component B1 comprises an air outlet 32, an upper barrel 33, a middle cone 34, a top cover 331 and a lower barrel 35, wherein the top cover 331 is obliquely arranged, the air outlet 32 is inserted into the upper barrel 33, and the lower barrel 35 is filled with the captured adsorbate 351. The rear-stage negative pressure rotational flow component B2 comprises an air outlet 52, an upper barrel 53, a middle cone 54, a top cover 531 and a lower barrel 55, wherein the top cover 531 is obliquely arranged, the air outlet 52 is inserted in the upper barrel 53, and the lower barrel 55 is filled with a captured adsorbate 551;
the high-pressure power source C consists of a high-pressure fan 7, an air inlet 71 and an outlet 72, and the positive-pressure filter box D consists of a positive-pressure filter box body 8, a filter plate 9 and a diffusion outlet 10. The filter plate 9 is obliquely arranged in the filter box body 8, and the outlet diffuser 10 is directly connected with the positive pressure filter box body 8;
the negative pressure suction pipe 2 is connected with the air inlet 31 of the preceding stage negative pressure cyclone assembly B through a bolt, the outlet 32 of the preceding stage negative pressure cyclone assembly B1 is connected with the inlet 51 of the rear stage negative pressure cyclone assembly B2 through a guide pipe 4, the outlet 52 of the rear stage negative pressure cyclone assembly B2 is connected with the inlet 71 of the high pressure fan 7 through a guide pipe 6, and the outlet 72 of the high pressure fan 7 is directly connected with the box body 8;
description of the drawings:
1-negative pressure air suction port; 2-a negative pressure inspiratory conduit; 31-air inlet of preceding stage negative pressure cyclone assembly B1; 32-the air outlet of the front-stage negative pressure cyclone assembly B1; 33-upper drum; 331-a top cover; 34-middle cone; 35-lower drum; 351-capturing the adsorbate; 4-a flow guide pipe; 51-inlet of rear stage negative pressure cyclone assembly B2; 52-outlet of post-stage negative pressure cyclone assembly B2; 53-upper drum; 531-top cover; 54-middle cone; 55-lower drum; 551-capturing the adsorbate; 6-a flow guide pipe; 7-a high-pressure fan; 71-fan inlet; 72-fan outlet; 8-positive pressure filtering box body; 9-a filter plate; 10-a diffusion outlet;
description of the letters in the figures:
a-a negative pressure suction pipe assembly;
b-a negative pressure cyclone assembly;
b1-preceding stage negative pressure cyclone assembly;
b2-rear stage negative pressure cyclone assembly;
c-a high pressure power source;
d-positive pressure filter box;
FIG. 1 is a general view of a positive and negative pressure dust removing apparatus.
The technical scheme adopted by the invention is as follows:
the invention relates to a positive-negative pressure dust removal device which comprises a negative pressure air suction pipeline component A, a negative pressure rotational flow component B (B1, B2), a high-pressure power source C and a positive pressure filter box D, wherein the positive-negative pressure air suction pipeline component A is shown as a dotted line in the attached figure 1;
the negative pressure suction pipeline A is composed of a negative pressure suction port 1 and a negative pressure suction duct 2, the negative pressure suction port 1 is of a conical structure, and the negative pressure suction port 1 is arranged in a plurality of parallel connection for use according to the requirements of working environment when being designed and installed, so that the requirements of different dust removal amounts and a plurality of dust removal places are met. The negative pressure air suction duct 2 adopts a negative pressure pipeline, and the negative pressure air suction port 1 is connected with the air suction pipeline 2 by adopting a bolt;
the negative pressure cyclone assembly B consists of a front-stage negative pressure cyclone assembly B1 and a rear-stage negative pressure cyclone assembly B2 which are connected in series. The structure forms of the front-stage negative pressure cyclone assembly B1 and the rear-stage negative pressure cyclone assembly B2 are consistent, the sizes are different, the size of the front-stage negative pressure cyclone assembly B1 is larger than the corresponding size of the rear-stage negative pressure cyclone assembly B2, and the sizes of the front-stage negative pressure cyclone assembly B1 and the rear-stage negative pressure cyclone assembly B2 are correspondingly proportional. The front-stage negative pressure rotational flow component B1 comprises an air outlet 32, an upper barrel 33, a middle cone 34, a top cover 331 and a lower barrel 35, wherein the top cover 331 is obliquely arranged, the air outlet 32 is inserted into the upper barrel 33, and the lower barrel 35 is filled with the captured adsorbate 351. The rear-stage negative pressure rotational flow component B2 comprises an air outlet 52, an upper barrel 53, a middle cone 54, a top cover 531 and a lower barrel 55, wherein the top cover 531 is obliquely arranged, the air outlet 52 is inserted in the upper barrel 53, and the lower barrel 55 is filled with a captured adsorbate 551;
the high-pressure power source C consists of a high-pressure fan 7, an air inlet 71 and an outlet 72, and the positive-pressure filter box D consists of a positive-pressure filter box body 8, a filter plate 9 and a diffusion outlet 10. The filter plate 9 is obliquely arranged in the filter box body 8, and the outlet diffuser 10 is directly connected with the positive pressure filter box body 8;
the negative pressure suction pipe 2 is connected with an air inlet 31 of a preceding stage negative pressure cyclone assembly B through a bolt, an outlet 32 of the preceding stage negative pressure cyclone assembly B1 is connected with an inlet 51 of a rear stage negative pressure cyclone assembly B2 through a guide pipe 4, an outlet 52 of the rear stage negative pressure cyclone assembly B2 is connected with an inlet 71 of a high pressure fan 7 through a guide pipe 6, and an outlet 72 of the high pressure fan 7 is directly connected with the box body 8.
The use method and the working principle of the invention are as follows:
in the use process of the invention, the negative pressure air suction ports 1 are placed near a polluted air source according to the field working environment, the number of the negative pressure air suction ports 1 can adopt a plurality of negative pressure air suction ports 1 according to the size and the position of the polluted air source, the negative pressure air suction ports 1 can be arranged at different positions, the negative pressure air suction ports 1 form a parallel arrangement mode, and the air suction pipeline 2 and the negative pressure air suction ports 1 are arranged near different polluted air sources in a matching way. Polluted air enters the upper barrel 33 of the preceding-stage negative pressure rotational flow component B1 through the negative pressure air suction port 1 along the negative pressure air suction conduit 2 under the action of negative pressure wind force, a downward flow guide effect is formed on the air flow due to the inclined installation of the top cover 331, the polluted air rotates along the inner wall of the upper barrel 33 and enters the middle cone 34, the speed of polluted particles in the polluted air is reduced along the inner wall of the cone, the polluted particles fall to the lower barrel 35 along the inner wall of the cone 34 to form precipitates, and the first-stage negative pressure capturing and purification of dust in the air is realized by the captured adsorbate 351 in the lower barrel 35;
air after primary dust capture and purification is sucked into an upper barrel 53 of a rear-stage negative pressure rotational flow component B2 from an air outlet 32 of a front-stage negative pressure rotational flow component B1 through a flow guide pipe 4 and an inlet 51, the top cover 531 is obliquely arranged to guide the air flow downwards, the polluted air rotates along the inner wall of the circular through 53 and enters the middle cone 54, the speed of polluted particles in the polluted air is reduced under the action of the inner wall of the cone, the polluted particles fall into the lower barrel 55 along the inner wall of the cone 54 to form a precipitate, and secondary dust negative pressure capture and purification are realized by a capture adsorbate 551 in the lower barrel 55;
the air captured and purified in the second stage is sucked into the high pressure fan 7 through the flow guide pipe 6 and the inlet 71 from the air outlet 52 of the rear stage negative pressure rotational flow component B2, enters the positive pressure filtering box body 8 through the outlet 72 of the high pressure fan 7, the air passes through the filter plate 9 under the action of positive pressure wind power to complete the third stage positive pressure filtering, and the filtered fresh air flows through the diffusion outlet 10 and is discharged into the environment.
The advantage of this patent:
the positive and negative pressure dust removal device provided by the invention adopts positive and negative pressure three-stage air dust removal and filtration to realize the purification treatment of dust in polluted air, has the advantages of reliable operation, simple structure, no environmental pollution, better environmental adaptability, reasonable optimization and structural design, and can effectively improve the air purification quality.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645526.8A CN112237801A (en) | 2019-07-17 | 2019-07-17 | Positive and negative pressure dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645526.8A CN112237801A (en) | 2019-07-17 | 2019-07-17 | Positive and negative pressure dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112237801A true CN112237801A (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910645526.8A Pending CN112237801A (en) | 2019-07-17 | 2019-07-17 | Positive and negative pressure dust collector |
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| Country | Link |
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| CN (1) | CN112237801A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681408A (en) * | 2021-09-07 | 2021-11-23 | 中山市中科智能制造研究院有限公司 | Wind-powered electricity generation blade equipment of polishing |
| CN116078088A (en) * | 2022-11-03 | 2023-05-09 | 中国石油大学(华东) | Air purification edulcoration device |
| CN119406183A (en) * | 2024-10-11 | 2025-02-11 | 山东辉日建设工程有限公司 | A dust filtering device for construction engineering |
-
2019
- 2019-07-17 CN CN201910645526.8A patent/CN112237801A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681408A (en) * | 2021-09-07 | 2021-11-23 | 中山市中科智能制造研究院有限公司 | Wind-powered electricity generation blade equipment of polishing |
| CN116078088A (en) * | 2022-11-03 | 2023-05-09 | 中国石油大学(华东) | Air purification edulcoration device |
| CN119406183A (en) * | 2024-10-11 | 2025-02-11 | 山东辉日建设工程有限公司 | A dust filtering device for construction engineering |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210119 |
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| WD01 | Invention patent application deemed withdrawn after publication |