Flue gas filter cloth device for thermal power generation

By introducing vibration components and auxiliary components into the flue gas filtration device for thermal power generation, the problem of filter clogging has been solved, enabling efficient cleaning and simplified filter replacement, while ensuring safety and filtration effectiveness.

CN223683252UActive Publication Date: 2025-12-19TIANJIN SHUANGRONG TECH
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Patent Information

Application Number
CN202520075054.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-12-19
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

After prolonged filtration, the filter screen of a thermal power plant's flue gas filtration device accumulates a large amount of particulate matter and pollutants, causing blockage, severely reducing the filtration effect, and potentially leading to the risk of the exhaust pipe being unable to exhaust normally, or even the gas being compressed and exploded.

Method used

The vibration component is designed to achieve vibration cleaning of the filter screen surface through the mechanical linkage of the limiting ring and the spring. Combined with the discharge port design of the auxiliary component, it simplifies the process of cleaning impurities and replacing the filter screen.

Benefits of technology

It effectively avoids filter clogging, improves filtration efficiency, reduces operational difficulty, ensures safety and efficient cleaning of impurities, and simplifies the filter replacement process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a thermal power generation flue gas filter cloth device, and relates to the technical field of flue gas filtration. The device comprises a shell and a first motor, the left side of the first motor is fixedly connected with the right side of the shell, a vibration assembly is arranged in the shell and comprises two first protective shells, the opposite sides of the two first protective shells are fixedly connected with the outer surface of the shell, and inserting frames are slidably connected into the first protective shells. And a filter screen is inserted into the insertion frame. According to the vibration device, the vibration assembly is arranged, specifically, the limiting ring extrudes the springs on the upper side and the lower side, when the first gear is not connected with the first rack in a meshed mode, the springs rebound the limiting ring to the original position, when the sector gear is meshed with the first rack again, the limiting ring extrudes the springs again through mechanical linkage, and therefore circulation is formed, and the vibration effect is achieved; therefore, a series of problems caused by the fact that the impurities are accumulated on the surface of the filter screen to block the exhaust pipe are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of flue gas filtration, particularly relates to a thermal power flue gas filtering cloth device. BACKGROUND

[0002] A thermal power flue gas filtering cloth device is a device for filtering and purifying flue gas generated during the thermal power generation process, which is usually composed of one or more filters that use special filter materials to capture and remove particulate matter, pollutants and other harmful substances in the flue gas.

[0003] However, after long-time filtration, the surface of the filter screen of the thermal power flue gas filtering device will accumulate a large amount of particulate matter, pollutants and other harmful substances, causing the filter screen to be clogged, greatly reducing the filtration effect. If not cleaned in time, the accumulation of harmful substances will also cause the exhaust pipe to be unable to normally discharge gas, and the compressed gas may pose an explosion risk. Therefore, we propose a thermal power flue gas filtering cloth device. SUMMARY

[0004] The utility model discloses a thermal power flue gas filtering cloth device, which is provided with a vibration assembly, specifically a limiting ring that is extruded to the upper and lower springs. When gear one is not engaged with rack one, the spring will pop the limiting ring back to the original position. When the fan gear is engaged with rack one again, the limiting ring is extruded to the spring again through mechanical linkage, forming a cycle and achieving the vibration effect. This can clean the impurities on the surface of the filter screen, avoid the impurities from accumulating on the surface of the filter screen and causing a series of problems such as clogging of the exhaust pipe, and solve the problem of the existing thermal power flue gas filtering device, which will accumulate a large amount of particulate matter, pollutants and other harmful substances on the surface of the filter screen after long-time filtration, causing the filter screen to be clogged and greatly reducing the filtration effect. If not cleaned in time, the accumulation of harmful substances will also cause the exhaust pipe to be unable to normally discharge gas, and the compressed gas may pose an explosion risk.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a thermal power flue gas filtering cloth device, which is provided with a vibration assembly, specifically a limiting ring that is extruded to the upper and lower springs. When gear one is not engaged with rack one, the spring will pop the limiting ring back to the original position. When the fan gear is engaged with rack one again, the limiting ring is extruded to the spring again through mechanical linkage, forming a cycle and achieving the vibration effect. This can clean the impurities on the surface of the filter screen, avoid the impurities from accumulating on the surface of the filter screen and causing a series of problems such as clogging of the exhaust pipe, and solve the problem of the existing thermal power flue gas filtering device, which will accumulate a large amount of particulate matter, pollutants and other harmful substances on the surface of the filter screen after long-time filtration, causing the filter screen to be clogged and greatly reducing the filtration effect. If not cleaned in time, the accumulation of harmful substances will also cause the exhaust pipe to be unable to normally discharge gas, and the compressed gas may pose an explosion risk.

[0007] The shell is internally provided with a vibration assembly, the vibration assembly comprises two protective shells one, opposite sides of the two protective shells one are fixedly connected with the outer surface of the shell, a plug-in frame is slidably connected in the protective shell one, a filter screen is inserted in the plug-in frame, a motor three is fixedly connected to the back of the shell, two gear wheels one are arranged on the inner side of the rear of the shell, the back of the gear wheel one on the right side is fixedly connected with the front output end of the motor three, the back of the gear wheel one on the left side is rotatably connected with the inner side of the back of the shell, a fan gear wheel is fixedly connected to the front of the gear wheel one on the left side, a rack one is meshingly connected to the right side of the gear wheel one, the front of the rack one is fixedly connected with the back of the plug-in frame, a protective shell two is arranged above the rack one, the bottom of the protective shell two is fixedly connected with the top of the plug-in frame, limiting rings are fixedly connected to the left side and the right side of the plug-in frame, springs are in contact with the top and the bottom of the two limiting rings, limiting rods are slidably connected in the two limiting rings, two supporting plates are fixedly connected to the left side and the right side surfaces of the shell, the two supporting plates on the left side and the two supporting plates on the right side each form a group, the top and the bottom of the limiting rod are fixedly connected with the opposite sides of a group of supporting plates, when the fan gear wheel meshes with the rack one again, the limiting ring is extruded against the spring through mechanical linkage, thereby forming a cycle and achieving the vibration effect, so as to clean the impurities on the surface of the filter screen and avoid a series of problems caused by the impurities accumulated on the surface of the filter screen and blocking the exhaust pipe.

[0008] Further, an auxiliary assembly is arranged on the front of the shell, the auxiliary assembly comprises a fixed plate, a motor two is fixedly connected to the front of the fixed plate, a gear wheel two is fixedly connected to the back output end of the motor two, a rack two is meshingly connected to the left side of the gear wheel two, an enclosing plate is fixedly connected to the bottom of the rack two, flow guide plates one are slidably connected to the left side and the right side of the enclosing plate, the back of the flow guide plate one is fixedly connected with the front of the shell, the arrangement of the enclosing plate enables the impurities falling during cleaning to be more conveniently discharged, avoiding the impurities falling along the pipeline and accumulating somewhere.

[0009] Further, a clamping strip is arranged above the motor two, the back of the clamping strip is inserted with the front of the shell, bolts are threadedly connected to the left side and the right side of the clamping strip, threaded seats are threadedly connected to the back of the two bolts, the opposite sides of the two threaded seats are fixedly connected with the surface of the shell, flow guide plates two are slidably connected in the shell, flow guide plates three are arranged above the flow guide plates two, the motor two is started to drive the gear wheel two to rotate, the gear wheel two drives the rack two to move upward to open the discharge opening, and the impurities cleaned away can slide out along the large flow guide plate formed by the flow guide plates three and the flow guide plates two.

[0010] Further, the left and right sides of the guide plate three are fixedly connected with the inner wall of the shell, the left and right sides of the guide plate two are fixedly connected with the back of the rack three, the opposite sides of the two rack threes are slidably connected with the inside of the shell, the back of the two rack threes is meshingly connected with the gear three, the opposite sides of the two gear threes are fixedly connected with the rotating shaft, the right side of the gear three located on the right side is fixedly connected with the left side output end of the motor two, and the left side of the gear three located on the left side is rotatably connected with the left side inner wall of the shell.

[0011] The utility model has the advantages of the following beneficial effects:

[0012] 1. The utility model discloses a vibration assembly is set up, specifically is that the limit ring extrusion is to the spring of two sides, when gear one is not with rack one meshing connection, the spring will limit ring spring back to the original position, when the fan gear again with rack one meshing, through mechanical linkage again make limit ring extrude spring, thus form cycle, reach the effect of vibration, thereby clean the impurity on the filter screen surface, avoid the impurity to accumulate on the filter screen surface and produce a series of problems that the exhaust pipe is blocked.

[0013] 2. The utility model discloses an auxiliary assembly is set up, specifically is that starting motor one drives rack three rotation, and rack three drives guide plate two and slides up until the upper surface of guide plate two and the lower surface of guide plate three are pasted, and starting motor two drives gear two rotation, and gear two drives rack two and moves up, and opens the discharge gate, and the impurity that can slide out along the big guide plate that guide plate three and guide plate two constitute along the big guide plate that guide plate three and guide plate two constitute if wanting to replace filter screen, and the bolt of two is twisted and makes card strip can be pulled out, at this moment can take out filter screen, reduced the operation difficulty, improved the efficiency.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2The shell structure schematic view of the utility model;

[0018] Figure 3 The gear one structure schematic view of the utility model;

[0019] Figure 4 The fan gear structure schematic view of the utility model;

[0020] Figure 5 The spring structure schematic view of the utility model;

[0021] Figure 6 The flow guide plate one structure schematic view of the utility model;

[0022] Figure 7 The gear two structure schematic view of the utility model;

[0023] Figure 8 The flow guide plate two structure schematic view of the utility model.

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1, shell, 2, motor one, 3, flow guide plate one, 11, vibration assembly, 111, protective shell one, 112, plug holder, 113, motor three, 114, filter screen, 115, gear one, 151, fan gear, 152, rack one, 116, protective shell two, 117, support plate, 171, spring, 172, limiting rod, 118, limiting ring, 12, auxiliary assembly, 121, motor two, 211, fixed plate, 212, gear two, 122, sealing plate, 123, bolt, 231, threaded seat, 124, clamping strip, 125, flow guide plate two, 251, rack three, 213, rack two, 252, gear three, 253, flow guide plate three, 126, rotating shaft. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-8 The utility model discloses a kind of thermal power flue gas filtering cloth devices, including shell 1 and motor one 2, motor one 2 left side is fixedly connected with the right side of shell 1;

[0028] The shell 1 is internally provided with a vibration assembly 11, the vibration assembly 11 comprises two protective shells one 111, opposite sides of the two protective shells one 111 are fixedly connected with the outer surface of the shell 1, the protective shell one 111 is slidably connected with a plug holder 112 inside, the plug holder 112 is inserted with a filter screen 114, the shell 1 is fixedly connected with a motor three 113 at the back, the shell 1 is provided with two gear wheels one 115 at the back inside, the back of the gear wheel one 115 located at the right side is fixedly connected with the front output end of the motor three 113, the back of the gear wheel one 115 located at the left side is rotatably connected with the back inside of the shell 1, the front of the gear wheel one 115 located at the left side is fixedly connected with a fan gear 151, the gear wheel one 115 right side is meshingly connected with a rack one 152, the front of the rack one 152 is fixedly connected with the back of the plug holder 112, the rack one 152 is provided with a protective shell two 116 above, the protective shell two 116 bottom is fixedly connected with the plug holder 112 top, the plug holder 112 left side and right side are fixedly connected with a limiting ring 118, the two limiting rings 118 top and bottom are contacted with springs 171, the two limiting rings 118 are slidably connected with limiting rods 172 inside, the shell 1 left side and right side surfaces are fixedly connected with two supporting plates 117, the two supporting plates 117 located at the left side and the two supporting plates 117 located at the right side are each a group, the limiting rod 172 top and bottom are fixedly connected with the opposite side of a group of supporting plates 117, the utility model discloses a vibration assembly 11 is set up, specifically is that the limiting ring 118 is extruded to the spring 171 on the upper and lower two sides, when the gear wheel one 115 is not meshingly connected with the rack one 152, the spring 171 is extruded to the limiting ring 118 and is bounced back to the original position, when the fan gear 151 is meshed with the rack one 152 again, the limiting ring 118 is extruded to the spring 171 again through mechanical linkage, thereby forming circulation, reach the effect of vibration, so as to clean the impurities on the surface of the filter screen 114, avoid that a series of problems caused by the impurities accumulated on the surface of the filter screen 114 and blocked the exhaust pipe.

[0029] The shell 1 is provided with an auxiliary assembly 12 at the front, the auxiliary assembly 12 comprises a fixed plate 211, the fixed plate 211 is fixedly connected with a motor two 121 at the front, the motor two 121 is fixedly connected with a gear wheel two 212 at the back output end, the gear wheel two 212 is meshingly connected with a rack two 213 left side, the utility model discloses an auxiliary assembly 12 is set up, specifically is that the rack three 251 is rotated by starting the motor one 2, the rack three 251 drives the flow guide plate two 125 to slide upwards until the upper surface of the flow guide plate two 125 is attached to the lower surface of the flow guide plate three 253, the gear wheel two 212 is rotated by starting the motor two 121, the gear wheel two 212 drives the rack two 213 to move upwards, opens the discharge port, and the impurities cleaned can slide out along the large flow guide plate formed by the flow guide plate three 253 and the flow guide plate two 125, if the filter screen 114 is wanted to be replaced, the clamping strip 124 can be pulled out by screwing the two bolts 123, at this moment, the filter screen 114 can be taken out, the operation difficulty is reduced, and the efficiency is improved.

[0030] The bottom of the rack two 213 is fixedly connected with the sealing plate 122, the left side and the right side of the sealing plate 122 are slidably connected with the flow guide plate one 3, the back surface of the flow guide plate one 3 is fixedly connected with the front surface of the shell 1, the upper portion of the motor two 121 is provided with the clamping strip 124, the back surface of the clamping strip 124 is inserted with the front surface of the shell 1, the left side and the right side of the clamping strip 124 are both screw-connected with the bolts 123, and the back surfaces of the two bolts 123 are both screw-connected with the threaded seats 231.

[0031] The opposite side of the two threaded seats 231 is fixedly connected with the surface of the shell 1, the inside of the shell 1 is slidably connected with the flow guide plate two 125, the upper portion of the flow guide plate two 125 is provided with the flow guide plate three 253, the left side and the right side of the flow guide plate three 253 are fixedly connected with the inner wall of the shell 1, the back surfaces of the left side and the right side of the flow guide plate two 125 are both fixedly connected with the rack three 251, and the opposite sides of the two rack threes 251 are slidably connected with the inside of the shell 1.

[0032] The back surfaces of the two rack threes 251 are all meshingly connected with the gear three 252, the opposite side of the two gear threes 252 is fixedly connected with the rotating shaft 126, the right side of the gear three 252 located on the right side is fixedly connected with the left side output end of the motor one 2, and the left side of the gear three 252 located on the left side is rotatably connected with the left side inner wall of the shell 1.

[0033] One specific application of the embodiment is: after the starting motor 113 starts to work, it drives the right gear 115 to start rotating, and the rotating force is then transmitted to the left gear 115, so that it also starts to rotate, and further drives the right gear 115 adjacent to it to continue rotating, and this series of gear transmission makes the fan gear 151 start to work, the rotation of the fan gear 151 drives the rack 152 to move in the vertical direction, and the movement of the rack 152 further drives the support 112 connected thereto to move in the vertical direction, and the movement of the support 112 further drives the limiting ring 118 to move in the vertical direction, when the limiting ring 118 moves to a certain position, it will press the spring 171 arranged on the upper and lower sides thereof, and the spring 171 will generate elastic force after being pressed, when the gear 115 is no longer engaged with the rack 152, the spring 171 will use the elastic force of itself to pop the limiting ring 118 back to the original position, when the fan gear 151 engages with the rack 152 again, the mechanical linkage process will occur again, the limiting ring 118 will press the spring 171 again, and thus the vibration effect is formed, and the vibration can effectively clean the impurities on the surface of the filter screen 114, and avoid the impurities from being accumulated on the surface of the filter screen 114 to cause the exhaust pipe to be blocked, and at the same time, the starting motor 2 also starts to work, drives the rack 251 to rotate, the rotation of the rack 251 makes the guide plate 125 start to slide upward, until the upper surface of the guide plate 125 is tightly fitted with the lower surface of the guide plate 253, then the starting motor 121 starts to work, drives the gear 212 to rotate, and the rotation of the gear 212 drives the rack 213 to move upward, so as to open the discharge port, and thus the impurities cleaned can smoothly slide out along the large guide plate composed of the guide plate 253 and the guide plate 125, and if it is desired to replace the filter screen 114, it is very simple to operate, only two bolts 123 need to be twisted, so that the clamping strip 124 can be easily pulled out, at this time, the filter screen 114 can be taken out from the equipment, and such design greatly reduces the operation difficulty and improves the work efficiency.

[0034] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A filter cloth device for filtering flue gas of thermal power plants, characterized in that: Including shell (1) and motor (2), the left side of the motor (2) is fixedly connected with the right side of the shell (1); The shell (1) is internally provided with a vibration assembly (11), the vibration assembly (11) comprises two protective shells (111), the opposite sides of the two protective shells (111) are fixedly connected with the outer surface of the shell (1), the protective shell (111) is internally and slidably connected with a plug holder (112), the plug holder (112) is internally and plug-connected with a filter screen (114), the back of the shell (1) is fixedly connected with a motor three (113), the rear inside of the shell (1) is provided with two gear wheels (115), the back of the gear wheel (115) located on the right side is fixedly connected with the front output end of the motor three (113), the back of the gear wheel (115) located on the left side is rotatably connected with the inside of the back of the shell (1), the front of the gear wheel (115) located on the left side is fixedly connected with a fan gear (151), the right side of the gear wheel (115) is meshingly connected with a rack (152), the front of the rack (152) is fixedly connected with the back of the plug holder (112), the top of the rack (152) is provided with a protective shell (116), the bottom of the protective shell (116) is fixedly connected with the top of the plug holder (112), the left side and the right side of the plug holder (112) are fixedly connected with limit rings (118), the top and the bottom of the two limit rings (118) are in contact with springs (171), the inside of the two limit rings (118) is slidably connected with limit rods (172), the left side and the right side of the surface of the shell (1) are fixedly connected with two supporting plates (117), the two supporting plates (117) located on the left side and the two supporting plates (117) located on the right side are each a group, and the top and the bottom of the limit rod (172) are fixedly connected with the opposite side of a group of supporting plates (117).

2. The filter cloth device for flue gas of thermal power plant according to claim 1, characterized in that, The front of the shell (1) is provided with an auxiliary assembly (12), the auxiliary assembly (12) comprises a fixed plate (211), the front of the fixed plate (211) is fixedly connected with a motor two (121), the back output end of the motor two (121) is fixedly connected with a gear wheel two (212), and the left side of the gear wheel two (212) is meshingly connected with a rack two (213).

3. The filter cloth device for flue gas of thermal power plant according to claim 2, characterized in that, The bottom of the rack two (213) is fixedly connected with a sealing plate (122), the left side and the right side of the sealing plate (122) are slidably connected with guide plates (3), and the back of the guide plate (3) is fixedly connected with the front of the shell (1).

4. The filter cloth device for flue gas of thermal power plant according to claim 3, characterized in that, The top of the motor two (121) is provided with a clamping strip (124), the back of the clamping strip (124) is plug-connected with the front of the shell (1), the left side and the right side of the clamping strip (124) are both screw-connected with bolts (123), and the back of the two bolts (123) is screw-connected with threaded seats (231).

5. A filter cloth device for flue gas of thermal power plants according to claim 4, characterized in that, The opposite side of the two threaded seats (231) is fixedly connected with the surface of the shell (1), the inside of the shell (1) is slidably connected with guide plates two (125), and the top of the guide plates two (125) is provided with guide plates three (253).

6. A filter cloth device for flue gas of thermal power plants according to claim 5, characterized in that, The left side and the right side of the guide plate three (253) are fixedly connected with the inner wall of the shell (1), the left side and the right side of the guide plate two (125) are fixedly connected with the rack three (251) in the back, and the opposite sides of the two rack threes (251) are slidably connected with the inside of the shell (1).

7. A filter cloth device for flue gas of thermal power plants according to claim 6, characterized in that, The back of the two rack threes (251) is meshedly connected with the gear three (252), the opposite sides of the two gear threes (252) are fixedly connected with the rotating shaft (126), the right side of the gear three (252) on the right side is fixedly connected with the left side output end of the motor one (2), and the left side of the gear three (252) on the left side is rotatably connected with the left side inner wall of the shell (1).