CN220195156U - Straight-through low material level measuring point for electric dust-removing ash bucket - Google Patents
Straight-through low material level measuring point for electric dust-removing ash bucket Download PDFInfo
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- CN220195156U CN220195156U CN202321510114.1U CN202321510114U CN220195156U CN 220195156 U CN220195156 U CN 220195156U CN 202321510114 U CN202321510114 U CN 202321510114U CN 220195156 U CN220195156 U CN 220195156U
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- ash bucket
- pipeline
- material level
- negative pressure
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- 239000000463 material Substances 0.000 title claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000010977 unit operation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to the technical field of electrostatic dust removal systems of thermal power plants, and discloses a through low-material-level measuring point additionally arranged on an electric dust removal ash bucket. This electric precipitation ash bucket installs straight-through low material level measurement station additional, through having installed negative pressure detection device, open ball valve when the unit operation and confirm whether present negative pressure state when ball valve department, if here be negative pressure state and explain the ash bucket, inside material is below the low material level of ash bucket, indicate when here no negative pressure or direct ash spraying that the material height in the ash bucket has been higher than this place measurement station this moment, need reduce the material level control urgently, thereby can reach the purpose to the inside storage volume detection of ash bucket, can not confirm the problem to the inside storage volume of ash bucket in the original device has been solved.
Description
Technical Field
The utility model relates to the technical field of electrostatic dust removal systems of thermal power plants, in particular to a straight-through low-material-level measuring point additionally arranged on an electric dust removal ash bucket.
Background
The working principle of the electrostatic precipitator is that the high-voltage electric field is utilized to ionize the flue gas, and dust charge in the air flow is separated from the air flow under the action of the electric field. The negative electrode is made of metal wires with different cross-sectional shapes, called discharge electrode.
An ash discharging device for an ash bucket of an electrostatic precipitator, the ash discharging device has a publication number of CN217663924U, and comprises an ash bucket body and an ash discharging unit, wherein the bottom of the ash bucket body is provided with a horizontal supporting component and a horizontal sliding rail arranged on one side surface of the horizontal supporting component; the ash discharging unit comprises a sliding block, a rotating frame, a limiting rod, an inserting plate, a fixing plate and a rotating shaft, wherein the sliding block is arranged in a horizontal sliding rail, one end of the rotating frame is hinged with the sliding block, one end of the limiting rod is connected with the middle of the rotating frame in a rotating mode, one end of the limiting rod is connected with the rotating shaft in a rotating mode, the inserting plate is fixedly arranged on the inner side of the rotating frame, one end of the fixing plate is fixedly connected with the horizontal supporting component, and one end, far away from the horizontal supporting component, of the fixing plate is connected with the rotating shaft in a rotating mode. The device disclosed by the utility model controls the area of the plugboard for shielding the vent at the bottom of the ash bucket by utilizing the movement of the sliding block on the horizontal sliding rail, so as to control the amount of ash deposit sliding in the ash bucket, and enable the ash deposit in the ash bucket to fall more smoothly.
Because most of the ash bucket is iron, the dust deposit amount in the interior can not be observed from the outside, if the material in the ash bucket is actually more, serious severe accidents such as short circuit of a high-voltage electric field or collapse of the ash bucket can be caused, and serious potential safety hazards are buried for the safe operation of a unit.
Disclosure of Invention
The utility model aims to provide a direct-through low-material-level measuring point additionally arranged on an electric dust-removing ash bucket so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric dust removing ash bucket is additionally provided with a straight-through low material level measuring point, and comprises a supporting frame, an ash bucket, a negative pressure detection device and a discharging device, wherein the ash bucket is arranged in the middle of the supporting frame, the negative pressure detection device is arranged on the front surface of the ash bucket, the discharging device is arranged at the bottom end of the ash bucket and comprises a guide unit, a closing unit and a conveying unit, the guide unit is arranged at the bottom end of the ash bucket, the closing unit is arranged on the top surface of the guide unit, and the conveying unit is arranged on the inner wall of the guide unit.
Preferably, the negative pressure detection device comprises a first pipeline, a second pipeline and a ball valve, a through hole is formed in the front face of the ash bucket, the rear end of the first pipeline is fixedly mounted on the inner wall of the through hole, the top end of the second pipeline is fixedly mounted on the surface of the first pipeline, and the ball valve is fixedly mounted at the bottom end of the second pipeline.
Preferably, the guide unit comprises a conveying pipe and a sliding rail, the conveying pipe is fixedly arranged at the bottom end of the ash bucket, the sliding rail is fixedly arranged on the top surface of the conveying pipe, the top surface of the conveying pipe is symmetrically provided with a discharging opening, and the middle parts of the conveying pipe and the ash bucket are provided with sliding grooves.
Preferably, the closing unit comprises a bidirectional motor, a threaded rod and a sliding plate, wherein the bidirectional motor is fixedly arranged on the top surface of the conveying pipe, the middle transmission of the threaded rod is arranged at the middle transmission end of the bidirectional motor, the two ends of the threaded rod are in threaded connection with the sliding plate, and the sliding plate is slidably arranged on the inner wall of the sliding rail.
Preferably, the conveying unit comprises a servo motor, a transmission rod and a conveying blade, wherein the servo motor is fixedly arranged at the right end of the conveying pipe, the right end of the transmission rod is arranged at the output end of the servo motor in a transmission manner, the left end of the transmission rod is arranged in the middle of the conveying pipe in a penetrating manner, and the conveying blade is fixedly arranged on the surface of the transmission rod.
Preferably, the inner diameter of the through hole is DN80, the outer diameter of the first pipeline is DN80, the outer diameter of the second pipeline is DN25, and welding is performed among the through hole, the first pipeline and the second pipeline.
Preferably, the sliding plate is slidably arranged in the middle of the ash bucket and the conveying pipe, and the sliding plate is arranged in the middle of the sliding plate and the ash bucket, so that the ash bucket can be freely opened and closed.
Compared with the prior art, the utility model provides the direct-through low-material-level measuring point additionally arranged on the electric dust hopper, which has the following beneficial effects:
1. this electric precipitation ash bucket installs straight-through low material level measurement station additional, through having installed negative pressure detection device, open ball valve when the unit operation and confirm whether present negative pressure state when ball valve department, if here be negative pressure state and explain the ash bucket, inside material is below the low material level of ash bucket, indicate when here no negative pressure or direct ash spraying that the material height in the ash bucket has been higher than this place measurement station this moment, need reduce the material level control urgently, thereby can reach the purpose to the inside storage volume detection of ash bucket, can not confirm the problem to the inside storage volume of ash bucket in the original device has been solved.
2. This electric precipitation ash bucket installs straight-through low material level measurement station additional, through having installed unloader, if negative pressure detection device detects the inside storage volume of ash bucket and reaches the discharge position after, open bi-directional motor and drive the threaded rod and rotate, thereby open the slide through the middle part of slide rail from ash bucket and conveying pipeline, the inside dust of ash bucket drops to the conveying pipeline inside through the feed opening this moment, thereby open servo motor and drive the transfer line and rotate and make conveying blade rotate afterwards, thereby can slowly export the dust that drops to the conveying pipeline inside, thereby reached the purpose of getting rid of the inside dust of ash bucket, the raise dust problem that original device dust dropped and produced has been solved.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic diagram of the negative pressure detecting device according to the present utility model;
FIG. 3 is a schematic diagram of the structure of the blanking device of the present utility model;
fig. 4 is a schematic cross-sectional structure of the blanking device of the present utility model.
In the figure: 1. a support frame; 2. an ash bucket; 3. a negative pressure detection device; 301. a through hole; 302. a first pipe; 303. a second pipe; 304. a ball valve; 4. a blanking device; 401. a material conveying pipe; 402. a slide rail; 403. a bi-directional motor; 404. a threaded rod; 405. a slide plate; 406. a feed opening; 407. a servo motor; 408. a transmission rod; 409. conveying blades; 410. and a sliding groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the electric dust removing ash bucket is additionally provided with a straight-through low material level measuring point, and comprises a supporting frame 1, an ash bucket 2, a negative pressure detection device 3 and a discharging device 4, wherein the ash bucket 2 is arranged in the middle of the supporting frame 1, the negative pressure detection device 3 is arranged on the front surface of the ash bucket 2, the discharging device 4 is arranged at the bottom end of the ash bucket 2, the discharging device 4 comprises a guiding unit, a closing unit and a conveying unit, the guiding unit is arranged at the bottom end of the ash bucket 2, the closing unit is arranged on the top surface of the guiding unit, and the conveying unit is arranged on the inner wall of the guiding unit.
The negative pressure detection device 3 comprises a first pipeline 302, a second pipeline 303 and a ball valve 304, wherein the front surface of the ash bucket 2 is provided with a through hole 301, the rear end of the first pipeline 302 is fixedly arranged on the inner wall of the through hole 301, the top end of the second pipeline 303 is fixedly arranged on the surface of the first pipeline 302, the ball valve 304 is fixedly arranged on the bottom end of the second pipeline 303, the inner diameter of the through hole 301 is DN80, the outer diameter of the first pipeline 302 is DN80, the outer diameter of the second pipeline 303 is DN25, the through hole 301, the first pipeline 302 and the second pipeline 303 are welded, the negative pressure detection device 3 is arranged, the ball valve 304 is opened when the unit operates to confirm whether the ball valve 304 is in a negative pressure state, if so, the ash bucket 2 is illustrated in a negative pressure state, the internal material is positioned below the low level of the ash bucket, and if no negative pressure exists at the point or the point is illustrated when the ash is directly sprayed, the height of the material in the ash bucket 2 is higher than the point, and the material level is required to be controlled in a reduction mode, so the aim of detecting the internal storage volume of the ash bucket 2 can be achieved, and the problem that the internal storage volume of the ash bucket 2 cannot be confirmed in the original device is solved.
The guide unit includes conveying pipeline 401 and slide rail 402, and conveying pipeline 401 fixed mounting is in the bottom of ash bucket 2, and slide rail 402 fixed mounting is in the top surface of conveying pipeline 401, and feed opening 406 has been seted up to the top surface symmetry of conveying pipeline 401, and spout 410 has been seted up at the middle part of conveying pipeline 401 and ash bucket 2.
The closing unit includes bi-directional motor 403, threaded rod 404 and slide 405, bi-directional motor 403 fixed mounting is in the top surface of conveying pipeline 401, and the middle part transmission of threaded rod 404 is installed in the middle part driving end of bi-directional motor 403, and the both ends and the slide 405 threaded connection of threaded rod 404, slide 405 slidable mounting in the inner wall of slide rail 402, slide 405 slidable mounting in the middle part of ash bucket 2 and conveying pipeline 401, through at slide 405 and the mid-mounting slide 405 of ash bucket 2, and then can freely open and close ash bucket 2.
The conveying unit comprises a servo motor 407, a transmission rod 408 and conveying blades 409, wherein the servo motor 407 is fixedly arranged at the right end of a conveying pipe 401, the right end of the transmission rod 408 is in transmission arrangement with the output end of the servo motor 407, the left end of the transmission rod 408 is in penetration arrangement with the middle part of the conveying pipe 401, the conveying blades 409 are fixedly arranged on the surface of the transmission rod 408, if the negative pressure detection device 3 detects that the storage amount inside the ash bucket 2 reaches the discharge position, the bidirectional motor 403 is started to drive the threaded rod 404 to rotate, so that the sliding plate 405 is opened from the middle part of the ash bucket 2 and the conveying pipe 401 through the sliding rail 402, at the moment, dust inside the ash bucket 2 falls into the interior of the conveying pipe 401 through the discharge opening 406, and then the servo motor 407 is started to drive the transmission rod 408 to rotate so that the conveying blades 409 rotate, so that the dust falling into the interior of the conveying pipe 401 can be slowly output, and the aim of discharging the dust inside the ash bucket 2 is achieved, and the dust raising problem caused by the dust falling from the original device is solved.
In the actual operation process, when the device is used, the ball valve 304 is opened during the operation of the unit to confirm whether the ball valve 304 is in a negative pressure state or not, if the ball valve 304 is in the negative pressure state, the ash bucket 2 is indicated that the internal material is below the low material level of the ash bucket, if no negative pressure exists at the position or the material is directly sprayed, the material level in the ash bucket 2 is higher than the measuring point at the position, if the negative pressure detection device 3 detects that the material storage amount in the ash bucket 2 reaches the discharge position, the bidirectional motor 403 is started to drive the threaded rod 404 to rotate, so that the sliding plate 405 is opened from the middle parts of the ash bucket 2 and the material conveying pipe 401 through the sliding rail 402, and then the servo motor 407 is started to drive the transmission rod 408 to rotate so as to enable the conveying blade 409 to rotate, so that the dust falling into the material conveying pipe 401 can be slowly output, the aim of removing the dust in the ash bucket 2 is fulfilled, and the dust falling into the original device is solved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The electric dust removal ash bucket installs straight-through low material level measurement station additional, including support frame (1), ash bucket (2), negative pressure detection device (3) and unloader (4), its characterized in that: the ash bucket (2) is arranged in the middle of the supporting frame (1), the negative pressure detection device (3) is arranged on the front surface of the ash bucket (2), and the blanking device (4) is arranged at the bottom end of the ash bucket (2);
the blanking device (4) comprises a guide unit, a closing unit and a conveying unit, wherein the guide unit is arranged at the bottom end of the ash bucket (2), the closing unit is arranged on the top surface of the guide unit, and the conveying unit is arranged on the inner wall of the guide unit.
2. The electric dust hopper additionally provided with a straight-through low material level measuring point according to claim 1, which is characterized in that: negative pressure detection device (3) include first pipeline (302), second pipeline (303) and ball valve (304), through-hole (301) have been seted up in the front of ash bucket (2), the rear end fixed mounting of first pipeline (302) is in the inner wall of through-hole (301), the top fixed mounting of second pipeline (303) is in the surface of first pipeline (302), ball valve (304) fixed mounting is in the bottom of second pipeline (303).
3. The electric dust hopper additionally provided with a straight-through low material level measuring point according to claim 1, which is characterized in that: the guide unit comprises a conveying pipe (401) and a sliding rail (402), wherein the conveying pipe (401) is fixedly arranged at the bottom end of the ash bucket (2), the sliding rail (402) is fixedly arranged on the top surface of the conveying pipe (401), a discharging opening (406) is symmetrically formed in the top surface of the conveying pipe (401), and a sliding groove (410) is formed in the middle of the conveying pipe (401) and the middle of the ash bucket (2).
4. The electric dust hopper additionally provided with a straight-through low material level measuring point according to claim 1, which is characterized in that: the closing unit comprises a bidirectional motor (403), a threaded rod (404) and a sliding plate (405), wherein the bidirectional motor (403) is fixedly arranged on the top surface of the conveying pipe (401), the middle transmission of the threaded rod (404) is arranged at the middle transmission end of the bidirectional motor (403), two ends of the threaded rod (404) are in threaded connection with the sliding plate (405), and the sliding plate (405) is slidably arranged on the inner wall of the sliding rail (402).
5. The electric dust hopper additionally provided with a straight-through low material level measuring point according to claim 1, which is characterized in that: the conveying unit comprises a servo motor (407), a transmission rod (408) and conveying blades (409), wherein the servo motor (407) is fixedly arranged at the right end of the conveying pipe (401), the right end of the transmission rod (408) is arranged at the output end of the servo motor (407) in a transmission mode, the left end of the transmission rod (408) is arranged in the middle of the conveying pipe (401) in a penetrating mode, and the conveying blades (409) are fixedly arranged on the surface of the transmission rod (408).
6. The electric dust-removing ash bucket additionally provided with a straight-through low material level measuring point according to claim 2, which is characterized in that: the inner diameter of the through hole (301) is DN80, the outer diameter of the first pipeline (302) is DN80, and the outer diameter of the second pipeline (303) is DN25.
7. The electric dust-collecting ash bucket additionally provided with the straight-through low material level measuring point according to claim 4, which is characterized in that: the sliding plate (405) is slidably arranged in the middle of the ash bucket (2) and the conveying pipe (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510114.1U CN220195156U (en) | 2023-06-14 | 2023-06-14 | Straight-through low material level measuring point for electric dust-removing ash bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321510114.1U CN220195156U (en) | 2023-06-14 | 2023-06-14 | Straight-through low material level measuring point for electric dust-removing ash bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220195156U true CN220195156U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321510114.1U Active CN220195156U (en) | 2023-06-14 | 2023-06-14 | Straight-through low material level measuring point for electric dust-removing ash bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220195156U (en) |
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2023
- 2023-06-14 CN CN202321510114.1U patent/CN220195156U/en active Active
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