CN116899754B - Broken shaft alarm device and electrostatic dust collector - Google Patents
Broken shaft alarm device and electrostatic dust collector Download PDFInfo
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- CN116899754B CN116899754B CN202310976367.6A CN202310976367A CN116899754B CN 116899754 B CN116899754 B CN 116899754B CN 202310976367 A CN202310976367 A CN 202310976367A CN 116899754 B CN116899754 B CN 116899754B
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- pipe body
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- air pressure
- alarm
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- 239000000428 dust Substances 0.000 title abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 28
- 239000012717 electrostatic precipitator Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000012716 precipitator Substances 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/187—Machine fault alarms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The application provides a broken shaft alarm device and an electrostatic precipitator, wherein the broken shaft alarm device comprises a mounting plate, a baffle, a pipe body, a first piston, an air pressure sensor and an alarm assembly, and the mounting plate is connected with one end of a porcelain shaft; the baffle is connected with the other end of the porcelain shaft; one end of the pipe body is connected with the mounting plate, the other end of the pipe body is arranged at intervals with the baffle, and the inside of the pipe body is suitable for being filled with high-pressure gas; one end of the first piston is in sealing sliding fit with the pipe body, and the other end of the first piston protrudes out of the pipe body to be abutted with the baffle; the air pressure sensor is communicated with the inside of the pipe body and is used for detecting the air pressure in the pipe body; the alarm assembly is electrically connected with the air pressure sensor, and the alarm assembly gives an alarm when the air pressure sensor detects that the air pressure in the pipe body is equal to the atmospheric pressure. The electrostatic precipitator includes the broken shaft alarm device. The broken shaft alarm device and the electrostatic precipitator provided by the application can effectively resist the interference of dust, effectively avoid misjudgment, ensure the detection accuracy and improve the working efficiency.
Description
Technical Field
The application belongs to the technical field of electrostatic dust collection equipment, and particularly relates to a broken shaft alarm device and an electrostatic dust collector.
Background
Because the cathode system of the electric dust collector is provided with direct current negative high voltage, the cathode vibration ash removing device drives the insulating shaft to drive the cathode vibration system by the vibration speed reducer to remove ash. Because the insulating shaft is an electroceramics part and belongs to a vulnerable part, the insulating shaft is easy to break in the operation process, the speed reducer still rotates after the insulating shaft breaks, the vibrating shaft cannot rotate, and the dust deposit on the cathode frame over time can be increased in the operation process, so that the dust collection efficiency of the electric dust collector is affected.
At present, a rotating speed sensor or a photosensitive sensor is mostly adopted by a cathode vibration transmission porcelain rotating shaft broken shaft alarm device of an electric precipitator at home and abroad to judge whether the rotating shaft is broken, but a large amount of dust is accumulated in a porcelain axle box after the electric precipitator runs for a period of time due to more dust in the electric precipitator. The accumulated dust can influence the sensitivity of the sensor, so that the sensor can be misjudged, and the working efficiency is influenced.
In order to solve the problems, the applicant applies for a cathode vibration transmission porcelain rotating shaft broken shaft alarm device, the application number is 202211381566.4, and the working principle is as follows: the mounting plate and the baffle synchronously rotate along with the porcelain shaft, the two conductive posts are respectively contacted with the two conductive plates, and the positive terminal and the negative terminal of the alarm assembly are in a conducting state; when the porcelain axle fracture back, power can't transmit between mounting panel and baffle, and mounting panel and baffle can't synchronous rotation, and two conductive posts and two conducting strips separation, alarm component's positive terminal and negative terminal disconnection, alarm component send the alarm.
However, after a period of time of practical application, the situation of misjudgment still appears, and inspection and research show that dust can be gradually accumulated between the conductive column and the conductive sheet due to continuous vibration in the working process, and finally the poor contact or even the disconnection of the conductive column and the conductive sheet is caused, so that misjudgment is caused.
Disclosure of Invention
The embodiment of the application provides a broken shaft alarm device and an electrostatic precipitator, and aims to solve the technical problem that the conventional ceramic rotating shaft broken shaft alarm device driven by cathode vibration is easy to misjudge due to dust.
In order to achieve the above purpose, the application adopts the following technical scheme:
in a first aspect, a broken shaft alarm device is provided, including:
the mounting plate is connected with one end of the porcelain shaft;
the baffle is connected with the other end of the porcelain shaft;
one end of the tube body is connected with the mounting plate, the other end of the tube body is arranged at intervals with the baffle, and the inside of the tube body is suitable for being filled with high-pressure gas;
one end of the first piston is in sealing sliding fit with the pipe body, and the other end of the first piston protrudes out of the pipe body to be abutted with the baffle;
the air pressure sensor is communicated with the inside of the pipe body and is used for detecting the air pressure in the pipe body;
and the alarm component is electrically connected with the air pressure sensor, and the alarm component gives an alarm when the air pressure sensor detects that the air pressure inside the pipe body is equal to the atmospheric pressure.
With reference to the first aspect, in a possible implementation manner of the shaft breakage alarm apparatus provided by the present application, the shaft breakage alarm apparatus further includes a sealing assembly, and the sealing assembly is connected with the pipe body and the first piston, so as to improve tightness between the first piston and the pipe body.
With reference to the first aspect, in one possible implementation manner of the disconnection warning device provided by the application, the sealing assembly comprises a sealing ring, the first piston is provided with a mounting groove along the circumference, and the sealing ring is embedded in the mounting groove.
With reference to the first aspect, in a possible implementation manner of the shaft breakage alarm apparatus provided by the application, the seal assembly further includes a second piston and a connecting rod, a containing cavity and a sliding hole are formed in the first piston, and the sliding hole is formed on one side of the containing cavity facing the baffle plate and is communicated with the containing cavity; the sealing ring is a telescopic bag body, is connected with the first piston and is communicated with the accommodating cavity; the second piston is arranged in the accommodating cavity, is in sealing and sliding fit with the inner wall of the accommodating cavity, the connecting rod is in sliding fit with the sliding hole, one end of the connecting rod is connected with the second piston, and the other end of the connecting rod is suitable for being abutted with the baffle; and a clamping groove is formed in the inner wall of the pipe body, and when one end of the connecting rod, which faces the baffle, is arranged in the sliding hole, the sealing ring is supported and clamped with the clamping groove.
With reference to the first aspect, in a possible implementation manner of the disconnection warning device provided by the application, the containing cavity is filled with a non-newtonian fluid.
In combination with the first aspect, in a possible implementation manner of the broken shaft alarm device provided by the application, two conducting rings are arranged on the side surface of the mounting plate, the two conducting rings are coaxially arranged with the porcelain shaft, the air pressure sensor is electrically connected with the two conducting rings, and the alarm component is electrically connected with the two conducting rings through an electric brush.
With reference to the first aspect, in one possible implementation manner of the disconnection warning device provided by the application, the disconnection warning device further includes a display component, and the display component is electrically connected with the air pressure sensor through two conductive rings and is used for displaying the pressure detected by the air pressure sensor.
With reference to the first aspect, in a possible implementation manner of the disconnection warning device provided by the application, the disconnection warning device further comprises a one-way valve, an air outlet end of the one-way valve is connected and communicated with the pipe body, and an air inlet end of the one-way valve is communicated with a high-pressure air source through an air path.
With reference to the first aspect, in a possible implementation manner of the disconnection warning device provided by the application, the disconnection warning device further comprises a connecting piece, wherein one end of the connecting piece is connected with the pipe body, and the other end of the connecting piece is connected with the first piston.
In a second aspect, the application also provides an electrostatic precipitator, which comprises the broken shaft alarm device.
The broken shaft alarm device provided by the application has the beneficial effects that: compared with the prior art, the mounting plate and the baffle which rotate synchronously with the porcelain shaft are respectively arranged at the two ends of the porcelain shaft, high-pressure gas is filled in the pipe body, one end of the first piston is kept to be inserted into the pipe body under the blocking of the baffle and is matched with the pipe body in a sealing way, so that certain pressure is kept in the pipe body, after the porcelain shaft breaks, power cannot be transmitted to one end of the baffle, the mounting plate and the baffle cannot rotate synchronously, the baffle and the first piston are misplaced, the first piston is propped against the pipe body by the high-pressure gas in the pipe body, the high-pressure gas in the pipe body is discharged, the pressure sensor detects that the pressure in the pipe body is equal to the external atmospheric pressure, the alarm component is triggered, an alarm is sent out, the porcelain shaft is reminded to break, in the process, dust cannot form effective interference, erroneous judgment can be effectively avoided, the accuracy of detection is guaranteed, and the working efficiency is improved.
The electrostatic precipitator provided by the application has the beneficial effects that: compared with the prior art, the electrostatic precipitator provided by the application is provided with the broken shaft alarm device, dust cannot effectively interfere the broken shaft alarm device, erroneous judgment can be effectively avoided, the detection accuracy is ensured, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a broken shaft alarm device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a front view structure of a mounting plate in the broken shaft alarm device according to the embodiment of the application;
reference numerals illustrate:
10. a mounting plate; 11. a conductive ring; 20. a baffle; 31. a tube body;
32. a first piston; 33. a seal ring; 34. a second piston; 35. a connecting rod;
36. a one-way valve; 37. a connecting piece; 40. an air pressure sensor; 50. an alarm assembly;
60. a display assembly; 70. a porcelain axle.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The following description of the technical solutions according to the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways and the spatially relative descriptions used herein are construed accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
Referring to fig. 1 to 2, a description will be given of the shaft breakage alarm apparatus provided by the present application. The broken shaft alarm device comprises a mounting plate 10, a baffle 20, a pipe body 31, a first piston 32, an air pressure sensor 40 and an alarm assembly 50, wherein the mounting plate 10 is connected with one end of a porcelain shaft 70; the baffle 20 is connected with the other end of the porcelain axle 70; one end of the pipe body 31 is connected with the mounting plate 10, the other end of the pipe body is arranged at intervals with the baffle 20, and the inside of the pipe body 31 is suitable for being filled with high-pressure gas; one end of the first piston 32 is in sealing sliding fit with the pipe body 31, and the other end of the first piston protrudes out of the pipe body 31 to be abutted with the baffle 20; the air pressure sensor 40 is communicated with the inside of the pipe body 31 and is used for detecting the air pressure inside the pipe body 31; the alarm assembly 50 is electrically connected to the air pressure sensor 40, and the alarm assembly 50 sends out an alarm when the air pressure sensor 40 detects that the air pressure inside the tube 31 is equal to the atmospheric pressure.
The alarm unit 50 is a conventional alarm device, and may emit an alarm by sound, light, or the like.
The broken shaft alarm device provided by the application has the beneficial effects that: compared with the prior art, the shaft breakage alarm device provided by the application has the advantages that the mounting plate 10 and the baffle 20 which rotate synchronously with the porcelain shaft 70 are respectively arranged at the two ends of the porcelain shaft 70, the pipe body 31 is filled with high-pressure gas, the first piston 32 is kept to be inserted into the pipe body 31 under the blocking of the baffle 20, and is in sealed fit with the pipe body 31, so that certain pressure is kept in the pipe body 31, after the porcelain shaft 70 breaks, power cannot be transmitted to the end where the baffle 20 is located, the mounting plate 10 and the baffle 20 cannot keep rotating synchronously, the baffle 20 and the first piston 32 are misplaced, the first piston 32 is propped against the pipe body 31 by high-pressure gas in the pipe body 31, the high-pressure gas in the pipe body 31 is discharged, the pressure sensor 40 detects that the pressure in the pipe body 31 is equal to the external atmospheric pressure, the alarm component 50 is triggered, the alarm is sent, the porcelain shaft 70 is reminded to break, in the process, dust cannot form effective interference, erroneous judgment can be effectively avoided, the detection accuracy is ensured, and the working efficiency is improved.
As shown in fig. 1 and fig. 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the shaft breakage alarm apparatus further includes a sealing assembly, and the sealing assembly is connected to the pipe body 31 and the first piston 32, so as to improve the tightness between the first piston 32 and the pipe body 31.
Specifically, as shown in fig. 1 and fig. 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the seal assembly includes a seal ring 33, a mounting groove is formed along the circumference of the first piston 32, and the seal ring 33 is embedded in the mounting groove.
Further, as shown in fig. 1 and fig. 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the sealing assembly further includes a second piston 34 and a connecting rod 35, a containing cavity and a sliding hole are formed in the first piston 32, and the sliding hole is disposed on a side of the containing cavity facing the baffle 20 and is communicated with the containing cavity; the sealing ring 33 is a telescopic bag body, and the sealing ring 33 is connected with the first piston 32 and communicated with the accommodating cavity; the second piston 34 is arranged in the accommodating cavity, is in sealing and sliding fit with the inner wall of the accommodating cavity, the connecting rod 35 is in sliding fit with the sliding hole, one end of the connecting rod is connected with the second piston 34, and the other end of the connecting rod is suitable for being abutted with the baffle 20; a clamping groove is formed in the inner wall of the pipe body 31, and when one end of the connecting rod 35 facing the baffle 20 is placed in the sliding hole, the sealing ring 33 is supported and clamped with the clamping groove.
In the normal working process, the connecting rod 35 is fixed in the sliding hole, the gas in the accommodating cavity is extruded into the sealing ring 33, the sealing ring 33 is propped up and is clamped with the clamping groove, so that the tightness is improved, and the leakage of high-pressure gas in the pipe body 31 is reduced; after the porcelain shaft 70 breaks, the connecting rod 35 lacks the barrier of the baffle 20, has the freedom of sliding outwards and is ejected outwards, the volume of the high pressure side in the accommodating cavity is increased, the pressure is reduced, the sealing ring 33 is contracted, the clamping groove is retracted, the clamping relation with the clamping groove is released, the first piston 32 is ejected, and the alarm device is triggered.
Further, as shown in fig. 1 and fig. 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the accommodating cavity is filled with a non-newton fluid, and the pressure between the sealing ring 33 and the sealing groove is ensured by using the characteristics of the non-newton fluid, so as to further ensure the tightness persistence of the sealing ring 33, and further reduce the leakage of the high-pressure gas in the pipe body 31.
As shown in fig. 1 and fig. 2, in a specific implementation manner of the shaft breakage alarm device provided by the embodiment of the present application, two conductive rings 11 are disposed on the side surface of the mounting plate 10, the two conductive rings 11 are coaxially disposed with the porcelain shaft 70, the air pressure sensor 40 is electrically connected with the two conductive rings 11, and the alarm assembly 50 is electrically connected with the two conductive rings 11 through brushes.
As shown in fig. 1 and 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the shaft breakage alarm apparatus further includes a display assembly 60, and the display assembly 60 is electrically connected to the air pressure sensor 40 through two conductive rings 11, so as to display the pressure detected by the air pressure sensor 40.
Specifically, the display assembly 60 is an existing display device for displaying the pressure of the tube 31 in real time.
Further, as shown in fig. 1 and fig. 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the shaft breakage alarm apparatus further includes a check valve 36, an air outlet end of the check valve 36 is connected and communicated with the pipe body 31, and an air inlet end of the check valve 36 is communicated with a high-pressure air source through an air path.
It should be noted that, the absolute seal is not present, the pressure in the pipe 31 will gradually decrease during the long-term use, and when the display assembly 60 displays that the pressure of the pipe 31 is lower than a set value, the gas can be supplemented into the pipe 31 through the check valve 36 to further avoid erroneous judgment; and in the working process of the porcelain axle 70, the one-way valve 36 is not connected with a pipeline, so that the working of the porcelain axle 70 is prevented from being influenced.
As shown in fig. 1 and 2, in a specific implementation manner of the shaft breakage alarm apparatus provided by the embodiment of the present application, the shaft breakage alarm apparatus further includes a connecting piece 37, one end of the connecting piece 37 is connected to the pipe body 31, and the other end is connected to the first piston 32.
Specifically, the connecting piece 37 is a connecting rope, and may also be a spring, and is used for keeping connection with the pipe body 31 after the first piston 32 is ejected out of the pipe body 31, so as to avoid the first piston 32 falling into the electrostatic precipitator and causing equipment failure.
Based on the same inventive concept, the embodiment of the application also provides an electrostatic precipitator, which comprises the broken shaft alarm device.
The electrostatic precipitator provided by the application has the beneficial effects that: compared with the prior art, the electrostatic precipitator provided by the application is provided with the broken shaft alarm device, dust cannot effectively interfere the broken shaft alarm device, erroneous judgment can be effectively avoided, the detection accuracy is ensured, and the working efficiency is improved.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. A broken shaft alarm device, comprising:
the mounting plate (10) is connected with one end of the porcelain shaft (70);
a baffle (20) connected with the other end of the porcelain shaft (70);
one end of the pipe body (31) is connected with the mounting plate (10), the other end of the pipe body is arranged at intervals with the baffle plate (20), and high-pressure gas is suitable for being filled into the pipe body (31);
a first piston (32), one end of which is in sealing sliding fit with the pipe body (31), and the other end of which protrudes out of the pipe body (31) to be abutted with the baffle plate (20);
an air pressure sensor (40) which is communicated with the inside of the pipe body (31) and is used for detecting the air pressure inside the pipe body (31); and
and the alarm assembly (50) is electrically connected with the air pressure sensor (40), and the alarm assembly (50) gives an alarm when the air pressure sensor (40) detects that the air pressure inside the pipe body (31) is equal to the atmospheric pressure.
2. The shaft breakage warning apparatus as claimed in claim 1, characterized in that it further includes a sealing assembly connected to said tubular body (31) and said first piston (32) for improving the tightness between said first piston (32) and said tubular body (31).
3. The broken shaft alarm device according to claim 2, wherein the sealing assembly comprises a sealing ring (33), the first piston (32) is provided with a mounting groove along the circumference, and the sealing ring (33) is embedded in the mounting groove.
4. A shaft breakage warning apparatus as in claim 3, characterized in that said sealing assembly further comprises a second piston (34) and a connecting rod (35), said first piston (32) having an interior formed with a receiving cavity and a sliding hole, said sliding hole being provided on a side of said receiving cavity facing said baffle plate (20) in communication with said receiving cavity; the sealing ring (33) is a telescopic bag body, and the sealing ring (33) is connected with the first piston (32) and communicated with the accommodating cavity; the second piston (34) is arranged in the accommodating cavity, is sealed with the inner wall of the accommodating cavity and is in sliding fit with the inner wall of the accommodating cavity; the connecting rod (35) is in sliding fit with the sliding hole, one end of the connecting rod is connected with the second piston (34), and the other end of the connecting rod is suitable for being abutted with the baffle plate (20); a clamping groove is formed in the inner wall of the pipe body (31), and when one end, facing the baffle (20), of the connecting rod (35) is placed in the sliding hole, the sealing ring (33) is supported and clamped with the clamping groove.
5. The shaft breakage alarm apparatus as in claim 4, wherein said housing chamber is filled with a non-newtonian fluid.
6. The broken shaft alarm device according to claim 1, wherein two conducting rings (11) are arranged on the side face of the mounting plate (10), the two conducting rings (11) are coaxially arranged with the porcelain shaft (70), the air pressure sensor (40) is electrically connected with the two conducting rings (11), and the alarm assembly (50) is electrically connected with the two conducting rings (11) through electric brushes.
7. The disconnection warning device of claim 6, further comprising a display assembly (60), the display assembly (60) being electrically connected to the air pressure sensor (40) via two of the conductive rings (11) for displaying the pressure detected by the air pressure sensor (40).
8. The shaft breakage warning apparatus as in claim 7, further comprising a check valve (36), an air outlet end of said check valve (36) being connected to and communicating with said tubular body (31), an air inlet end of said check valve (36) being adapted to communicate with a high pressure air supply via an air path.
9. The disconnection warning device according to claim 1, further comprising a connecting element (37), one end of the connecting element (37) being connected to the tube (31) and the other end being connected to the first piston (32).
10. An electrostatic precipitator comprising a broken shaft warning device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310976367.6A CN116899754B (en) | 2023-08-04 | 2023-08-04 | Broken shaft alarm device and electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310976367.6A CN116899754B (en) | 2023-08-04 | 2023-08-04 | Broken shaft alarm device and electrostatic dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116899754A CN116899754A (en) | 2023-10-20 |
| CN116899754B true CN116899754B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310976367.6A Active CN116899754B (en) | 2023-08-04 | 2023-08-04 | Broken shaft alarm device and electrostatic dust collector |
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| CN213914314U (en) * | 2020-10-29 | 2021-08-10 | 湖北邵一环保科技有限公司 | Electric dust removal steel ball rapping air hammer |
| CN217940497U (en) * | 2022-07-28 | 2022-12-02 | 国投金城冶金有限责任公司 | Hot air blowing device for cathode ceramic shaft of electric dust collector |
| CN115445775A (en) * | 2022-11-07 | 2022-12-09 | 张家口宣化昌通环保设备有限公司 | Cathode vibration transmission ceramic rotating shaft broken shaft alarm device |
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2023
- 2023-08-04 CN CN202310976367.6A patent/CN116899754B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202460844U (en) * | 2012-02-22 | 2012-10-03 | 新兴铸管股份有限公司 | Negative electrode vibrating fault alarm device for electric dust collector |
| CN213914314U (en) * | 2020-10-29 | 2021-08-10 | 湖北邵一环保科技有限公司 | Electric dust removal steel ball rapping air hammer |
| CN217940497U (en) * | 2022-07-28 | 2022-12-02 | 国投金城冶金有限责任公司 | Hot air blowing device for cathode ceramic shaft of electric dust collector |
| CN115445775A (en) * | 2022-11-07 | 2022-12-09 | 张家口宣化昌通环保设备有限公司 | Cathode vibration transmission ceramic rotating shaft broken shaft alarm device |
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