CN103388831B - Automatic regulation device for flue air volume equilibrium - Google Patents
Automatic regulation device for flue air volume equilibrium Download PDFInfo
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- CN103388831B CN103388831B CN201310325027.3A CN201310325027A CN103388831B CN 103388831 B CN103388831 B CN 103388831B CN 201310325027 A CN201310325027 A CN 201310325027A CN 103388831 B CN103388831 B CN 103388831B
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Abstract
Automatic regulation device for flue air volume equilibrium, relates to a kind of deduster.Be provided with deflector, bearing, bearing cap, bearing, axle sleeve, rotating shaft, YE, decelerator, worm screw, arc-shaped guide rail and wind speed collector; Deflector two ends are connected with rotating shaft and arc-shaped guide rail respectively; Bearing is fixed on flue top board and base plate; Bearing cap is fixed on bearing, and bearing is arranged in bearing; On the top board that axle sleeve is fixedly mounted on flue and base plate; Rotating shaft is arranged on flue crotch, and rotating shaft terminal is arranged in bearing; The motor output shaft of YE is connected with decelerator; One end of worm screw is connected with the output shaft of decelerator, and the running part of worm screw coordinates with the kinematic pair on arc-shaped guide rail; Arc-shaped guide rail is made up of movable guiding rail bar and fixed guide seat, and on the top board that fixed guide seat is fixedly mounted on flue and base plate, movable guiding rail bar is arranged on fixed guide seat; Movable guiding rail bar is provided with locking mechanism; Wind speed collector is located at a point flue measuring point.
Description
Technical field
The present invention relates to a kind of deduster, especially relate to a kind of Automatic regulation device for flue air volume equilibrium of dividing flue air quantity for each import of balanced cleaner.
Background technology
At air field of Environment Protection, electrostatic precipitator, sack cleaner, electric-bag complex dust collector etc. have become the capital equipment of dust catching recovery and gas purification, and they are widely used in the industries such as electric power, metallurgy, building materials, oil, chemical industry.Affecting performance of precipitator has in factors, and whether uniform distribution is very large on their impact for air-flow, directly has influence on running resistance and the efficiency of dust collection of deduster.Deduster is made up of multiple locellus usually, and each locellus divides flue to be connected with respective import, and each point of flue is connected with import main chimney flue, usually, due in landform and design, import divides flue to be unsymmetric structure, therefore causes the air quantity entering each locellus of deduster unbalanced.First the airflow uniform distribution of deduster should consider that import divides the air quantity of flue harmonious.
At present, in order to ensure that deduster import divides the air quantity of flue balanced, the method adopted carries out physical experiments or numerical simulation calculation to the inlet flue duct of the deduster of specific cases, then deflector is set according to test or result of calculation, above-mentioned technology only operating condition and design condition and test or analog computation close time, can good regulating effect be played.But when the operating condition of deduster changes, above-mentioned technology cannot divide the air quantity of flue according to each import of change timely adjustment of operating condition, cause air quantity between each locellus of deduster to differ greatly, cause equipment local resistance to increase, affect the performance of deduster.
Chinese patent CN201210339073.4 discloses a kind of for regulating the control valve of air quantity in double-layer stainless steel chimney air flue, it comprises the fixed throttle being fixedly mounted on chimney air flue air port place, be fixedly mounted on the mounting bracket outside described fixed throttle, be contained in the YE on described mounting bracket, and the signals collecting transmitter to be connected with described YE, described fixed throttle offers at least one air-permeating hole, the motor output shaft of described YE is fixedly connected with by shaft coupling the rotating dog that is perforated through described fixed throttle, this rotating dog being provided with one is positioned at inside described fixed throttle, the movable air door of the open area of air-permeating hole on described fixed throttle can be changed upon its rotation.This invention can only regulate the air quantity of single flue, can not regulate the air quantity equilibrium of Multi-flue.
Summary of the invention
The object of the invention is for the problems referred to above existing for prior art, a kind of allocation of the amount of air equilibrium realizing deduster import and divide flue is provided, improves the Automatic regulation device for flue air volume equilibrium of performance of precipitator.
The present invention is provided with deflector, bearing, bearing cap, bearing, axle sleeve, sealing ring, rotating shaft, YE, decelerator, worm screw, arc-shaped guide rail and wind speed collector; Described deflector one end is connected with rotating shaft, and the deflector other end is connected with arc-shaped guide rail; On the top board that described bearing is mounted by means of bolts on flue and base plate; Described bearing cap is mounted by means of bolts on bearing, and described bearing is arranged in bearing; On the top board that described axle sleeve is fixedly mounted on flue and base plate; Described sealing ring is filled in axle sleeve; Described rotating shaft is arranged on the crotch of flue, and rotating shaft terminal is arranged in bearing; The motor output shaft of described YE is connected with decelerator by shaft coupling; One end of described worm screw is connected with the output shaft of decelerator, and the running part of worm screw coordinates with the kinematic pair on arc-shaped guide rail, is cylindrical worm gearing transmission; Described arc-shaped guide rail is made up of movable guiding rail bar and fixed guide seat, on the top board that fixed guide seat is fixedly mounted on flue and base plate, movable guiding rail bar is arranged on fixed guide seat, the section of stretching out of deflector is connected with movable guiding rail bar, movable guiding rail bar drives deflector to rotate, and involute profile or taper profile of tooth are opened in the side that movable guiding rail bar coordinates with worm screw; Described movable guiding rail bar is provided with locking mechanism; Wind speed collector is located at a point flue measuring point.
Described deflector appearance profile can be rectangle, and deflector can be provided with rib, to improve the rigidity of deflector, ensures service life.
Described bearing can adopt ball bearing or roller bearing etc.
Described arc-shaped guide rail can adopt arc-shaped rail, and arc-shaped guide rail can be provided with locking mechanism, for position and the angle of fixing deflector, prevents it from rotating under high wind speed and swinging, affects its serviceability and life-span.
Described wind speed collector can adopt hot-wire anemometer or Pitot tube etc.
Can there is the spinning movement in a certain special angle and direction in YE of the present invention, thus drive deflector that the spinning movement of corresponding angle and direction occurs according to its motor output shaft of pre-set programme-control according to the signal received.
Advantage of the present invention is: when the present invention works, the air speed value of each measuring point in each point of flue collected is sent in control appliance by signals collecting transmitter, control program calculates the air quantity difference between point flue according to airflow value, angle that deflector need rotate and direction is obtained according to air quantity difference, and generate corresponding current digital signal and be sent to YE, after YE receives this signal according to pre-set program controlled motor drive deflector rotate moving axis arcuately guide rail rotate certain angle towards specific direction, thus make deduster import divide the allocation of the amount of air of flue balanced, ensure the performance of deduster, very easy to use.
Accompanying drawing explanation
Fig. 1 is the structure composition schematic diagram of the embodiment of the present invention.
Fig. 2 is the top view of Fig. 1.
In fig 1 and 2, be respectively labeled as: 1-deflector, 2-bearing, 3-bearing cap, 4-bearing, 5-axle sleeve, 6-sealing ring, 7-rotating shaft, 8-YE, 9-decelerator, 10-worm screw, 11-arc-shaped guide rail, 12-wind speed collector, 13-flue; A1-signals collecting transmitter, A2-control appliance, the rotational angle of D-deflector.
Detailed description of the invention
Following examples will the present invention is further illustrated by reference to the accompanying drawings.
See Fig. 1 and 2, the embodiment of the present invention is provided with deflector 1, bearing 2, bearing cap 3, bearing 4, axle sleeve 5, sealing ring 6, rotating shaft 7, YE 8, decelerator 9, worm screw 10, arc-shaped guide rail 11 and wind speed collector 12; Described deflector 1 one end is connected with rotating shaft 7, deflector 1 other end is connected with arc-shaped guide rail 11, when device regulates according to the air quantity of control signal to point flue, deflector 1 rotates certain angle around rotating shaft, deflector 1 welds rib, to improve the rigidity of deflector 1, ensure service life; On the top board that described bearing 2 is mounted by means of bolts on flue 13 and base plate; Described bearing cap 3 is mounted by means of bolts on bearing 2, and in order to protect bearing 4, described bearing 4 is arranged in bearing 2, and described bearing 4 can adopt ball bearing or roller bearing etc.; On the top board that described axle sleeve 5 is fixedly mounted on flue 13 and base plate, rotating shaft 7 is positioned and protected; Described sealing ring 6 is filled in axle sleeve 5, reveals and affect the lubrication of rotating shaft 7 in order to prevent flue gas; Described rotating shaft 7 is arranged on the crotch of flue 13, and rotating shaft 7 two ends are arranged in bearing 4; The motor output shaft (YE itself, containing motor, is conventional structure) of described YE 8 is connected with decelerator 9 by shaft coupling; One end of described worm screw 10 is connected with the output shaft of decelerator 9, and the running part of worm screw 10 coordinates with the kinematic pair on arc-shaped guide rail 11, is cylindrical worm gearing transmission; Described arc-shaped guide rail 11 is made up of movable guiding rail bar and fixed guide seat, on the top board that fixed guide seat is fixedly mounted on flue 13 and base plate, movable guiding rail bar is arranged on fixed guide seat, must lubricate between movable guiding rail bar and fixed guide seat, the section of stretching out of deflector 1 is connected with movable guiding rail bar, movable guiding rail bar drives deflector 1 to rotate, and involute profile or taper profile of tooth are opened in the side that movable guiding rail bar coordinates with worm screw 10; Described movable guiding rail bar is provided with locking mechanism, to deflector 1 locks after completing for air quantity adjustment operation; Wind speed collector 12 is located at a point flue measuring point.
Described wind speed collector 12 can adopt hot-wire anemometer or Pitot tube etc.
When the present invention works, in each point of flue that point flue measuring point wind speed collector 12 is collected measuring point air speed value be sent in control appliance A2 by signals collecting transmitter A1, control appliance A2 calculates the airflow value of each point of flue according to air speed value, and calculate air quantity difference according to airflow value, judge whether the air quantity relative deviation of each point of flue is less than 5%, if be less than 5%, do not need to regulate, if be greater than 5%, then calculate and deflector 1 angle and direction that should rotate, and generate control signal and send YE 8 to, there is the spinning movement in a certain special angle and direction according to its motor output shaft of pre-set programme-control after YE 8 receives this signal, motor output shaft drives worm screw 10 to rotate, worm screw 10 passes motion to arc-shaped guide rail 11, movable guiding rail bar on arc-shaped guide rail 11 moves along fixed guide seat, deflector 1 is driven to rotate around rotating shaft 7, in each point of flue that described point of flue measuring point wind speed collector 12 is collected again measuring point air speed value be sent in control appliance A2 by signals collecting transmitter A1, judge whether the air quantity relative deviation of each point of flue is less than 5%, repeat above-mentioned action, until the air quantity relative deviation of flue meets the demands.After action, the movable guiding rail bar on arc-shaped guide rail 11 is locked.Thus the automatic adjustment completed the equilibrium of flue air quantity.In fig. 2, marking D is the rotational angle of deflector; The direction of arrow represents flue gas direction.
Claims (7)
1. Automatic regulation device for flue air volume equilibrium, is characterized in that being provided with deflector, bearing, bearing cap, bearing, axle sleeve, sealing ring, rotating shaft, YE, decelerator, worm screw, arc-shaped guide rail and wind speed collector; Described deflector one end is connected with rotating shaft, and the deflector other end is connected with arc-shaped guide rail; On the top board that described bearing is mounted by means of bolts on flue and base plate; Described bearing cap is mounted by means of bolts on bearing, and described bearing is arranged in bearing; On the top board that described axle sleeve is fixedly mounted on flue and base plate; Described sealing ring is filled in axle sleeve; Described rotating shaft is arranged on the crotch of flue, and rotating shaft terminal is arranged in bearing; The motor output shaft of described YE is connected with decelerator by shaft coupling; One end of described worm screw is connected with the output shaft of decelerator, and the running part of worm screw coordinates with the kinematic pair on arc-shaped guide rail, is cylindrical worm gearing transmission; Described arc-shaped guide rail is made up of movable guiding rail bar and fixed guide seat, on the top board that fixed guide seat is fixedly mounted on flue and base plate, movable guiding rail bar is arranged on fixed guide seat, the section of stretching out of deflector is connected with movable guiding rail bar, movable guiding rail bar drives deflector to rotate, and involute profile or taper profile of tooth are opened in the side that movable guiding rail bar coordinates with worm screw; Described movable guiding rail bar is provided with locking mechanism; Wind speed collector is located at a point flue measuring point.
2. Automatic regulation device for flue air volume equilibrium as claimed in claim 1, is characterized in that described deflector appearance profile is rectangle.
3. Automatic regulation device for flue air volume equilibrium as claimed in claim 1 or 2, is characterized in that described deflector is provided with rib.
4. Automatic regulation device for flue air volume equilibrium as claimed in claim 1, is characterized in that described bearing adopts ball bearing or roller bearing.
5. Automatic regulation device for flue air volume equilibrium as claimed in claim 1, is characterized in that described arc-shaped guide rail adopts arc-shaped rail.
6. Automatic regulation device for flue air volume equilibrium as claimed in claim 1, is characterized in that described arc-shaped guide rail is provided with locking mechanism.
7. Automatic regulation device for flue air volume equilibrium as claimed in claim 1, is characterized in that described wind speed collector adopts hot-wire anemometer or Pitot tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325027.3A CN103388831B (en) | 2013-07-30 | 2013-07-30 | Automatic regulation device for flue air volume equilibrium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325027.3A CN103388831B (en) | 2013-07-30 | 2013-07-30 | Automatic regulation device for flue air volume equilibrium |
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| CN103388831A CN103388831A (en) | 2013-11-13 |
| CN103388831B true CN103388831B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310325027.3A Active CN103388831B (en) | 2013-07-30 | 2013-07-30 | Automatic regulation device for flue air volume equilibrium |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604285B (en) * | 2013-12-02 | 2016-06-29 | 中南林业科技大学 | A kind of biomass wood flour drying system and biomass wood flour drying means |
| CN103912892A (en) * | 2014-04-03 | 2014-07-09 | 江苏威同电气设备有限公司 | Negative-pressure double-cooling-type ultrahigh-temperature round retaining plate air door |
| CN105135897B (en) * | 2015-09-10 | 2018-02-13 | 湖南长重机器股份有限公司 | A kind of PM2.5 flue gas flow fields self-adjusting system and its method |
| CN109622549B (en) * | 2018-11-09 | 2020-09-25 | 西安建筑科技大学 | Method for improving collection efficiency of volatile organic compound waste gas collection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09257238A (en) * | 1996-03-26 | 1997-09-30 | Babcock Hitachi Kk | Structure of damper |
| CN201306746Y (en) * | 2008-05-21 | 2009-09-09 | 梁丽冰 | Air supplying device of firewood stove |
| CN202304449U (en) * | 2011-10-28 | 2012-07-04 | 中冶北方工程技术有限公司 | Louvered stop bellows for pellet circular coolers |
| CN102829483A (en) * | 2012-09-14 | 2012-12-19 | 苏州云白环境设备制造有限公司 | Adjusting valve for adjusting air quantity of flue of double-layered stainless steel chimney |
| CN203442865U (en) * | 2013-07-30 | 2014-02-19 | 福建龙净环保股份有限公司 | Automatic adjustment device for air volume equilibrium of flues |
-
2013
- 2013-07-30 CN CN201310325027.3A patent/CN103388831B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09257238A (en) * | 1996-03-26 | 1997-09-30 | Babcock Hitachi Kk | Structure of damper |
| CN201306746Y (en) * | 2008-05-21 | 2009-09-09 | 梁丽冰 | Air supplying device of firewood stove |
| CN202304449U (en) * | 2011-10-28 | 2012-07-04 | 中冶北方工程技术有限公司 | Louvered stop bellows for pellet circular coolers |
| CN102829483A (en) * | 2012-09-14 | 2012-12-19 | 苏州云白环境设备制造有限公司 | Adjusting valve for adjusting air quantity of flue of double-layered stainless steel chimney |
| CN203442865U (en) * | 2013-07-30 | 2014-02-19 | 福建龙净环保股份有限公司 | Automatic adjustment device for air volume equilibrium of flues |
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| CN103388831A (en) | 2013-11-13 |
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Inventor after: Zheng Xiaopan Inventor after: Zhu Zhaoping Inventor after: Peng Huaning Inventor before: Zheng Xiaopan |
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