CN107149811B - Uniform air flow device - Google Patents
Uniform air flow device Download PDFInfo
- Publication number
- CN107149811B CN107149811B CN201710511509.6A CN201710511509A CN107149811B CN 107149811 B CN107149811 B CN 107149811B CN 201710511509 A CN201710511509 A CN 201710511509A CN 107149811 B CN107149811 B CN 107149811B
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- CN
- China
- Prior art keywords
- barrel
- air inlet
- air
- polygonal
- box body
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- 238000007789 sealing Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- 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
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
The invention belongs to the field of gas pipeline equipment, in particular to an air homogenizing device for an exhaust gas dust removal system, which comprises an air homogenizing box body, an exhaust main pipe and at least 2 branch air inlet pipes, wherein the upper part of the air homogenizing box body is a cylindrical barrel, the lower part of the air homogenizing box body is a conical barrel connected with the cylindrical barrel, an air inlet at the tail end of the branch air inlet pipe extends into the cylindrical barrel, and an exhaust port of the exhaust main pipe is connected with a bottom port of the conical barrel or a side port at the bottom. The longitudinal position of the air inlet at the tail end of the branch air inlet pipe is positioned near 1/2 of the height of the cylindrical barrel, and the transverse position is positioned near 1/2 of the radius of the cylindrical barrel. The invention can effectively realize uniform wind, simultaneously clean dust collection brought by uniform wind, improve the running stability of the uniform wind device, and has simple equipment and low manufacturing cost.
Description
Technical Field
The invention belongs to the field of gas pipeline equipment, and particularly relates to a wind homogenizing device for an exhaust gas dust removal system.
Background
The main exhaust pipe of the traditional air homogenizing device is generally positioned at one side, the upper part or the middle part of the air homogenizing box body, each branch air inlet pipe is positioned at the middle part of the air homogenizing device, and the bottom of the air homogenizing device is used for accumulating dust. In the air inlet pipeline, dust is operated at a high speed, when the dust reaches the inside of the air homogenizing box body, the wind speed can be rapidly reduced, at the moment, most of coarse-medium-fine dust and ultra-fine dust with larger specific gravity can rapidly subside under the action of gravity and gather at the bottom of the air homogenizing device and further accumulate upwards, the limited space of the air homogenizing box body is occupied, so that the air homogenizing box body cannot normally work, and therefore, ash removal or ash discharging is required frequently, and the operation stability of the air homogenizing device is seriously influenced due to short cleaning period and high density, and secondary pollution to the environment can be caused.
Disclosure of Invention
Aiming at the problems of dust accumulation, influence on the running stability of the device and inconvenience in ash removal of the existing air homogenizing device, the invention provides an air homogenizing device, which comprises the following specific technical scheme:
The wind homogenizing device comprises a wind homogenizing box body, an air draft main pipe and at least 2 branch air inlet pipes, wherein the upper part of the wind homogenizing box body is a cylindrical barrel or a polygonal barrel, and the lower part of the wind homogenizing box body is a conical barrel connected with the cylindrical barrel or a polygonal conical barrel connected with the polygonal barrel; the air inlet at the tail end of the branch air inlet pipe extends into the cylinder barrel or the polygonal barrel, and the air suction port of the air suction main pipe is connected with the bottom port of the conical barrel or the polygonal conical barrel or the side port at the bottom.
Specifically, the longitudinal position of the air inlet at the tail end of the branch air inlet pipe is positioned near 1/2 of the height of the cylindrical barrel or the polygonal barrel, and the transverse position of the air inlet at the tail end of the branch air inlet pipe is positioned near 1/2 of the radius of the cylindrical barrel or the radius of the inner circle of the polygonal barrel.
The branch air inlet pipe extends into the conical cylinder or the polygonal conical cylinder vertically upwards or bends upwards, and correspondingly, the branch air inlet is vertically upwards arranged. Or the branch air inlet pipe horizontally extends into or obliquely extends into the cylindrical barrel or the polygonal barrel, and correspondingly, the branch air inlet is horizontally arranged in a centripetal manner or obliquely arranged in an upward-oblique centripetal manner.
The number of the branched air inlet pipes is 2 to 30. The section wind speed of the cylindrical barrel or the polygonal barrel is less than or equal to 3m/s.
The top of the cylinder or polygonal cylinder is provided with a sealing cover which can be conveniently and rapidly detached. And an access door is arranged on the side surface of the cylindrical barrel or the polygonal barrel. And a valve is arranged on the exhaust manifold.
The invention can effectively realize uniform wind, simultaneously clean dust collection brought by uniform wind, improve the running stability of the uniform wind device, and has simple equipment and low manufacturing cost.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a block diagram of a first embodiment of the present invention.
Fig. 2 is a top view of A-A of fig. 1.
Fig. 3 is a structural diagram of a second embodiment of the present invention.
Fig. 4 is a top view of A-A of fig. 3.
Fig. 5 is a structural diagram of a third embodiment of the present invention.
Fig. 6 is a top view of A-A of fig. 5.
Detailed Description
Fig. 1 is a block diagram of a first embodiment of the present invention, and fig. 2 is a top view of A-A of fig. 1. As shown in fig. 1 and 2, the air equalizing device comprises an air equalizing box body 1, an air draft main pipe 2 and 6 branch air inlet pipes 3.
The upper part of the air equalizing box body 1 is a cylindrical barrel 1.10, the lower part is a conical barrel 1.20 connected with the cylindrical barrel 1.10, the air draft main pipe 2 is connected with a side port of the conical barrel 1.20 at the lower part of the air equalizing box body 1, 6 branch air inlet pipes 3 are bent upwards and extend into the conical barrel 1.20, and correspondingly, the branch air inlet pipes 3.1 are vertically upwards arranged.
The longitudinal position of the air inlet 3.1 at the tail end of the branch air inlet pipe is positioned near 1/2 of the height of the cylindrical drum 1.10, and the transverse position of the air inlet 3.1 at the tail end of the branch air inlet pipe is positioned near 1/2 of the radius of the cylindrical drum 1.10, so that the best air guiding effect is realized, and the abrasion of dust to the air equalizing box body is reduced.
An access door 4 is arranged on the side surface of the air equalizing box body. A sealing cover 5 is arranged at the top of the air equalizing box body. A valve 6 is arranged on the exhaust manifold 2.
Fig. 3 is a block diagram of a second embodiment of the present invention, and fig. 4 is a top view of A-A of fig. 3. As shown in fig. 3 and 4, the air equalizing device comprises an air equalizing box body 1, an air draft main pipe 2 and 10 branch air inlet pipes 3.
The upper part of the air equalizing box body 1 is a cylindrical barrel 1.10, the lower part is a conical barrel 1.20 connected with the cylindrical barrel 1.10, the air draft main pipe 2 is connected with a side port of the conical barrel 1.20 at the lower part of the air equalizing box body 1, 10 branch air inlet pipes 3 vertically extend into the conical barrel 1.20 upwards, and correspondingly, the branch air inlet pipes 3.1 are vertically upwards arranged. An access door 4 is arranged on the side face of the air equalizing box body, a sealing cover 5 is arranged on the top of the air equalizing box body, and a valve 6 is arranged on the air draft main pipe 2.
The longitudinal position of the air inlet 3.1 at the tail end of the branch air inlet pipe is positioned near 1/2 of the height of the cylindrical drum 1.10, and the transverse position of the air inlet 3.1 at the tail end of the branch air inlet pipe is positioned near 1/2 of the radius of the cylindrical drum 1.10, so that the best air guiding effect is realized, and the abrasion of dust to the air equalizing box body is reduced.
As shown in fig. 1 and 3, the branched air inlet 3.1 is vertically arranged upwards, and under the action of negative pressure suction, dust-containing waste gas enters the cylindrical barrel or polygonal barrel at the upper part of the air equalizing box body 1 from bottom to top through the branched air inlet pipes 3.
The section wind speed is controlled to be less than or equal to 3m/s, and the wind homogenizing effect is optimal. The section wind speed is equal to the total air intake amount (m 3/h) divided by the section area of the cylindrical barrel or the polygonal barrel. The total air intake amount is the sum of the air intake amounts of the air intake pipes of the branches. For a single air equalizing device, the number of the branched air inlet pipes is preferably 2 to 30.
The running track of the dust in the air homogenizing box body is in an inverted U shape, namely, the dust runs upwards rapidly, a zero-speed point is arranged at the top of the inverted U shape, the air homogenizing box body is favorable for air homogenizing, and under the guiding effect of the air homogenizing, the dust enters the air draft main pipe 2 at the bottom or the side surface of the bottom of the air homogenizing box body downwards in an accelerating way, and the speed is reduced to be less than or equal to 3m/s. Under the action of three vertical downward combined forces of natural gravity, wind speed and negative pressure suction, dust is sucked away from an exhaust manifold at the bottom or at the side surface of the bottom of the air homogenizing box body, so that the problem of dust accumulation (dust collection) is effectively solved.
Fig. 5 is a structural view of a third embodiment of the present invention, and fig. 6 is a top view from A-A of fig. 5. As shown in fig. 5 and 6, the air equalizing device comprises an air equalizing box body 1, an air draft main pipe 2 and 4 branch air inlet pipes 3.
The upper part of the air equalizing box body 1 is a quadrangular cone 1.10, the lower part is a quadrangular cone 1.20 connected with the quadrangular cone 1.10, and the air draft main pipe 2 is connected with the bottom port of the quadrangular cone 1.20 at the lower part of the air equalizing box body 1. The branch air inlet pipe 3 horizontally extends into the quadrangular cylinder, and correspondingly, the branch air inlet 3.1 is horizontally and centripetally arranged.
The longitudinal position of the air inlet 3.1 at the tail end of the branch air inlet pipe is positioned near 1/2 of the height of the quadrangular barrel, and the transverse position of the air inlet 3.1 at the tail end of the branch air inlet pipe is positioned near 1/2 of the radius of the inner circle of the quadrangular barrel, so that the best air guiding effect is realized, and the abrasion of dust to the air equalizing box body is reduced.
As shown in fig. 5, the branched air inlet pipe 3 is arranged in a horizontal centripetal manner, the running track of dust in the air equalizing box body is parabolic, and the dust enters the bottom of the air equalizing box body downwards in an accelerating manner and is pumped by the air suction main pipe 2. The branch air inlet pipe can also be arranged in an upward inclined mode, and the running track of dust in the air homogenizing box body is the combination of an inverted U shape and a parabolic shape.
The air equalizing device combining the quadrangular column and the quadrangular cone in the third embodiment is suitable for the case body bearing the condition of smaller negative pressure, and when the negative pressure is less than 10000Pa, the air equalizing device combining the quadrangular column and the cone can be adopted for convenient manufacture. The air equalizing device combining the cylinder and the cone in the first embodiment and the second embodiment has strong bearing capacity, and is suitable for various pressure conditions, especially the conditions when the negative pressure is more than or equal to 10000 Pa.
When the air equalizing device needs to be overhauled and maintained regularly, the exhaust pipe valve 6 is closed, so that the air equalizing device is in a deactivated state, and the access door 4 is opened, so that regular overhauling can be performed; regular maintenance can be performed by opening the sealing cover 5 which can be conveniently detached.
In conclusion, the invention can effectively realize uniform wind, simultaneously clean dust collection brought by uniform wind, improve the running stability of the uniform wind device, and realize high-efficiency, energy-saving, safe and clean production with simple equipment and low manufacturing cost.
Claims (6)
1. The air homogenizing device comprises an air homogenizing box body, an air draft main pipe and at least 2 branch air inlet pipes, and is characterized in that the upper part of the air homogenizing box body is a cylindrical barrel or a polygonal barrel, and the lower part of the air homogenizing box body is a conical barrel connected with the cylindrical barrel or a polygonal conical barrel connected with the polygonal barrel; the air inlet at the tail end of the branch air inlet pipe extends into the cylindrical barrel or the polygonal barrel, and the air suction port of the air suction main pipe is connected with the bottom port of the conical barrel or the polygonal conical barrel or the side port at the bottom; the air inlet at the tail end of the branch air inlet pipe is vertically upwards arranged, the longitudinal position of the air inlet at the tail end of the branch air inlet pipe is positioned at 1/2 of the height of the cylindrical barrel or the polygonal barrel, and the transverse position of the air inlet at the tail end of the branch air inlet pipe is positioned at 1/2 of the radius of the cylindrical barrel or the radius of the inner circle of the polygonal barrel; the section wind speed of the cylindrical drum or the polygonal drum is less than or equal to 3m/s.
2. The air homogenizing device comprises an air homogenizing box body, an air draft main pipe and at least 2 branch air inlet pipes, and is characterized in that the upper part of the air homogenizing box body is a cylindrical barrel or a polygonal barrel, and the lower part of the air homogenizing box body is a conical barrel connected with the cylindrical barrel or a polygonal conical barrel connected with the polygonal barrel; the air inlet at the tail end of the branch air inlet pipe extends into the cylindrical barrel or the polygonal barrel, and the air suction port of the air suction main pipe is connected with the bottom port of the conical barrel or the polygonal conical barrel or the side port at the bottom; the branch air inlet pipe extends into the cylindrical barrel or the polygonal barrel in an upward inclined mode, correspondingly, an air inlet at the tail end of the branch air inlet pipe is arranged in an upward inclined centripetal mode, the longitudinal position of the air inlet at the tail end of the branch air inlet pipe is located at 1/2 of the height of the cylindrical barrel or the polygonal barrel, and the transverse position of the air inlet at the tail end of the branch air inlet pipe is located at 1/2 of the radius of the cylindrical barrel or the radius of the inner circle of the polygonal barrel; the section wind speed of the cylindrical drum or the polygonal drum is less than or equal to 3m/s.
3. The air equalizing device according to claim 1 or 2, wherein the number of the branched air inlet pipes is 2 to 30.
4. The wind-homogenizing device of claim 1 or 2, wherein a sealing cover which can be conveniently detached is arranged at the top of the cylindrical barrel or the polygonal barrel.
5. A wind-equalizing apparatus according to claim 1 or 2, wherein an access door is provided at a side of said cylinder or polygonal cylinder.
6. A wind-homogenizing device according to claim 1 or 2, wherein a valve is provided on the suction manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710511509.6A CN107149811B (en) | 2017-06-27 | 2017-06-27 | Uniform air flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710511509.6A CN107149811B (en) | 2017-06-27 | 2017-06-27 | Uniform air flow device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107149811A CN107149811A (en) | 2017-09-12 |
| CN107149811B true CN107149811B (en) | 2024-05-10 |
Family
ID=59796100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710511509.6A Active CN107149811B (en) | 2017-06-27 | 2017-06-27 | Uniform air flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107149811B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995014887A1 (en) * | 1993-11-27 | 1995-06-01 | Kangyuan Chen | Balanced device with separated channel for inlet and exit gas |
| CN1895146A (en) * | 2006-04-06 | 2007-01-17 | 苏州金莱克清洁器具有限公司 | Separator with multi-air intake and dust cup device thereof |
| CN102641638A (en) * | 2012-04-14 | 2012-08-22 | 陈建林 | Large air purifier and city air purification layout system formed by large air purifiers |
| CN205165313U (en) * | 2015-10-28 | 2016-04-20 | 安徽荣业纺织有限公司 | Spinning dust removal system |
| CN206897015U (en) * | 2017-06-27 | 2018-01-19 | 佛山市人居环保工程有限公司 | A kind of equal wind apparatus |
-
2017
- 2017-06-27 CN CN201710511509.6A patent/CN107149811B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995014887A1 (en) * | 1993-11-27 | 1995-06-01 | Kangyuan Chen | Balanced device with separated channel for inlet and exit gas |
| CN1895146A (en) * | 2006-04-06 | 2007-01-17 | 苏州金莱克清洁器具有限公司 | Separator with multi-air intake and dust cup device thereof |
| CN102641638A (en) * | 2012-04-14 | 2012-08-22 | 陈建林 | Large air purifier and city air purification layout system formed by large air purifiers |
| CN205165313U (en) * | 2015-10-28 | 2016-04-20 | 安徽荣业纺织有限公司 | Spinning dust removal system |
| CN206897015U (en) * | 2017-06-27 | 2018-01-19 | 佛山市人居环保工程有限公司 | A kind of equal wind apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107149811A (en) | 2017-09-12 |
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