CN203442865U - Automatic adjustment device for air volume equilibrium of flues - Google Patents
Automatic adjustment device for air volume equilibrium of flues Download PDFInfo
- Publication number
- CN203442865U CN203442865U CN201320459186.8U CN201320459186U CN203442865U CN 203442865 U CN203442865 U CN 203442865U CN 201320459186 U CN201320459186 U CN 201320459186U CN 203442865 U CN203442865 U CN 203442865U
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- Prior art keywords
- flue
- guide rail
- bearing
- deflector
- arc
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Abstract
The utility model relates to an automatic adjustment device for air volume equilibrium of flues, and relates to a dust collector. The automatic adjustment device comprises a deflector, a supporting seat, bearing caps, bearings, a shaft sleeve, a rotating shaft, an electric actuator, a speed reducer, a worm, an arc guide rail and a wind speed acquisition device, wherein the two ends of the deflector are respectively connected with the rotating shaft and the arc guide rail, and the supporting seat is fixedly arranged on a top plate and a bottom plate of a flue; the bearing caps are fixedly arranged on the supporting seat, and the bearings are arranged in the supporting seat; the shaft sleeve is fixedly arranged on the top plate and the bottom plate of the flue; the rotating shaft is arranged on the crotch of the flue, and two ends of the rotating shaft are arranged in the bearings; a motor output shaft of the electric actuator is connected with the speed reducer, and one end of the worm is connected with an output shaft of the speed reducer; a transmission part of the worm is matched with a moving pair on the arc guide rail, and the arc guide rail consists of a movable guide rail strip and a fixed guide rail seat; the fixed guide rail seat is fixedly arranged on the top plate and the bottom plate of the flue, and the movable guide rail strip is arranged on the fixed guide rail seat; the movable guide rail strip is provided with a locking mechanism, and the wind speed acquisition device is arranged at a branch flue measuring point.
Description
Technical field
The utility model relates to a kind of deduster, especially relates to the balanced self-checking device of a kind of flue air quantity that divides flue air quantity for each import of balanced cleaner.
Background technology
At atmosphere 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 comprised of a plurality of locellus conventionally, and each locellus divides flue to be connected with import separately, and within each minute, flue is connected with import main chimney flue, conventionally, due to landform and design upper, it is unsymmetric structure that import divides flue, therefore causes that to enter the air quantity of 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 guarantee that deduster import divides the air quantity of flue balanced, the method adopting is that the inlet flue duct of the deduster of specific cases is carried out to physical experiments or numerical simulation calculation, then according to test or result of calculation, deflector is set, above-mentioned technology only when close, can be brought into play good regulating effect in operating condition and design condition and test or analog computation.But when the operating condition of deduster changes, above-mentioned technology cannot be divided according to each import of variation timely adjustment of operating condition the air quantity of flue, 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 that is fixedly mounted on place, chimney air flue air port, be fixedly mounted on the mounting bracket in described fixed throttle outside, be contained in the YE on described mounting bracket, and the signals collecting transmitter being connected with described YE, on described fixed throttle, offer at least one air-permeating hole, the motor output shaft of described YE is fixedly connected with a rotating dog that penetrated described fixed throttle by shaft coupling, on this rotating dog, be provided with one and be positioned at described fixed throttle inner side, when rotating, it can change the movable air door of the open area of air-permeating hole on described fixed throttle.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 purpose of this utility model is for the existing the problems referred to above of prior art, provides and can realize the allocation of the amount of air equilibrium that deduster import divides flue, improves the balanced self-checking device of a kind of flue air quantity of performance of precipitator.
The utility model 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; Described bearing is mounted by means of bolts on the top board and base plate of flue; Described bearing cap is mounted by means of bolts on bearing, and described bearing is arranged in bearing; Described axle sleeve is fixedly mounted on the top board and base plate of flue; 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 comprised of movable guiding rail bar and fixed guide seat, fixed guide seat is fixedly mounted on the top board and base plate of flue, 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 the side that movable guiding rail bar coordinates with worm screw is opened involute profile or taper profile of tooth; Described movable guiding rail bar is provided with locking mechanism; Wind speed collector is located at a minute flue measuring point.
Described deflector appearance profile can be rectangle, and on deflector, can be provided with rib, to improve the rigidity of deflector, guarantees 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 fixedly position and the angle of deflector, prevents that it from rotating and swinging under high wind speed, affects its serviceability and life-span.
Described wind speed collector can adopt hot-wire anemometer or Pitot tube etc.
Can there is according to the signal receiving the spinning movement of a certain special angle and direction in YE of the present utility model, thereby drive deflector that the spinning movement of corresponding angle and direction occurs according to its motor output shaft of pre-set programme-control.
The utility model has the advantages that: when the utility model is worked, signals collecting transmitter is sent to the air speed value of each measuring point in each minute flue collecting in control appliance, control program calculates the air quantity difference between minute flue according to airflow value, according to air quantity difference, obtain angle and the direction that deflector need rotate, and generate corresponding current digital signal and be sent to YE, YE receives after this signal according to pre-set program controlled motor and drives the deflector moving axis that rotates along arc-shaped guide rail towards specific direction, to rotate certain angle, thereby make deduster import divide the allocation of the amount of air of flue balanced, guarantee the performance of deduster, very easy to use.
Accompanying drawing explanation
Fig. 1 is that the structure of the utility model embodiment forms schematic diagram.
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.
The specific embodiment
Following examples are further described the utility model in connection with accompanying drawing.
Referring to Fig. 1 and 2, the utility model embodiment 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 the air quantity of minute flue according to control signal, deflector 1 rotates certain angle around rotating shaft, on deflector 1, weld rib, to improve the rigidity of deflector 1, guarantee service life; Described bearing 2 is mounted by means of bolts on the top board and base plate of flue 13; 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.; Described axle sleeve 5 is fixedly mounted on the top board and base plate of flue 13, and rotating shaft 7 is positioned and protected; Described sealing ring 6 is filled in axle sleeve 5, in order to prevent flue gas leakage and to affect the lubricated of rotating shaft 7; 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 of described YE 8 (itself contains motor YE, is conventional structure) 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 comprised of movable guiding rail bar and fixed guide seat, fixed guide seat is fixedly mounted on the top board and base plate of flue 13, movable guiding rail bar is arranged on fixed guide seat, between movable guiding rail bar and fixed guide seat, must be lubricated, 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 the side that movable guiding rail bar coordinates with worm screw 10 is opened involute profile or taper profile of tooth; Described movable guiding rail bar is provided with locking mechanism, after completing, deflector 1 is locked for air quantity adjustment operation; Wind speed collector 12 is located at a minute flue measuring point.
Described wind speed collector 12 can adopt hot-wire anemometer or Pitot tube etc.
When the utility model is worked, in each minute flue that minute flue measuring point wind speed collector 12 is collected measuring point air speed value by signals collecting transmitter A1, be sent in control appliance A2, control appliance A2 calculates the airflow value of each minute flue according to air speed value, and calculate air quantity difference according to airflow value, whether the air quantity relative deviation that judges each minute flue is less than 5%, if be less than 5%, does not need to regulate, if be greater than 5%, the angle and direction that calculating and deflector 1 should rotate, and generate control signal and send YE 8 to, YE 8 receives the spinning movement that a certain special angle and direction occur according to its motor output shaft of pre-set programme-control after 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, drive deflector 1 to rotate around rotating shaft 7, in each minute flue that described minute flue measuring point wind speed collector 12 collected again measuring point air speed value by signals collecting transmitter A1, be sent in control appliance A2, whether the air quantity relative deviation that judges each minute 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.Thereby complete the automatic adjusting to the equilibrium of flue air quantity.In Fig. 2, the rotational angle that mark D is deflector; The direction of arrow represents flue gas direction.
Claims (7)
1. the balanced self-checking device of flue air quantity, 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; Described bearing is mounted by means of bolts on the top board and base plate of flue; Described bearing cap is mounted by means of bolts on bearing, and described bearing is arranged in bearing; Described axle sleeve is fixedly mounted on the top board and base plate of flue; 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 comprised of movable guiding rail bar and fixed guide seat, fixed guide seat is fixedly mounted on the top board and base plate of flue, 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 the side that movable guiding rail bar coordinates with worm screw is opened involute profile or taper profile of tooth; Described movable guiding rail bar is provided with locking mechanism; Wind speed collector is located at a minute flue measuring point.
2. the balanced self-checking device of a kind of flue air quantity as claimed in claim 1, is characterized in that described deflector appearance profile is rectangle.
3. the balanced self-checking device of a kind of flue air quantity as claimed in claim 1 or 2, is characterized in that described deflector is provided with rib.
4. the balanced self-checking device of a kind of flue air quantity as claimed in claim 1, is characterized in that described bearing adopts ball bearing or roller bearing.
5. the balanced self-checking device of a kind of flue air quantity as claimed in claim 1, is characterized in that described arc-shaped guide rail adopts arc-shaped rail.
6. the balanced self-checking device of a kind of flue air quantity as claimed in claim 1, is characterized in that described arc-shaped guide rail is provided with locking mechanism.
7. the balanced self-checking device of a kind of flue air quantity 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 |
|---|---|---|---|
| CN201320459186.8U CN203442865U (en) | 2013-07-30 | 2013-07-30 | Automatic adjustment device for air volume equilibrium of flues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320459186.8U CN203442865U (en) | 2013-07-30 | 2013-07-30 | Automatic adjustment device for air volume equilibrium of flues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442865U true CN203442865U (en) | 2014-02-19 |
Family
ID=50093917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320459186.8U Withdrawn - After Issue CN203442865U (en) | 2013-07-30 | 2013-07-30 | Automatic adjustment device for air volume equilibrium of flues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388831A (en) * | 2013-07-30 | 2013-11-13 | 福建龙净环保股份有限公司 | Automatic regulation device for flue air volume equilibrium |
| CN105536372A (en) * | 2016-01-08 | 2016-05-04 | 江苏新中环保股份有限公司 | Automatic smoke equilibrium distributing device |
-
2013
- 2013-07-30 CN CN201320459186.8U patent/CN203442865U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388831A (en) * | 2013-07-30 | 2013-11-13 | 福建龙净环保股份有限公司 | Automatic regulation device for flue air volume equilibrium |
| CN103388831B (en) * | 2013-07-30 | 2015-08-26 | 福建龙净环保股份有限公司 | Automatic regulation device for flue air volume equilibrium |
| CN105536372A (en) * | 2016-01-08 | 2016-05-04 | 江苏新中环保股份有限公司 | Automatic smoke equilibrium distributing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20150826 |
|
| RGAV | Abandon patent right to avoid regrant |