High-efficiency low-heat-loss bag-type dust collector

Abstract

The invention relates to the technical field of bag-type dust removers, and particularly discloses a high-efficiency low-heat-loss bag-type dust remover which comprises a dust remover body and further comprises a detection assembly arranged on one side of the dust remover body and used for detecting the gas pressure difference of the two sides of a bag according to the deflection angle. Through the detection assembly, the gas pressure difference on the two sides of the cloth bag can be converted into the deflection angle of the pressing rod for detection, and according to the deflection angle, detected by the detection assembly, of the pressing rod, when the deflection angle of the pressing rod reaches a limit value, the triggering assembly can automatically control the dust removing assembly to remove dust on the surface of the cloth bag; the trigger assembly can also automatically adjust the trigger limit value of the detection assembly according to the humidity condition of the dust-containing gas, the cleaning strength of the dust removal assembly can be adjusted according to the humidity of the dust-containing gas through the regulation and control assembly, the dust stripping effect is improved, the cleaning effect on the cloth bag can be improved, and the subsequent filtering efficiency of the cloth bag can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of bag filters, and specifically relates to a bag filter with high efficiency and low heat loss. Background Art

[0002] A bag filter is a common dust removal device in the industrial production process, and is widely used in the treatment of industrial waste gas. The dust-containing gas enters the dust collector box through the air inlet, and the dust-containing gas passes through the filter bag. The dust therein is filtered by the filter bag and falls into the ash hopper for collection. The gas after filtration is discharged from the outlet through the clean gas chamber of the bag filter. During dust cleaning, the pulse control instrument controls the compressed air to be instantaneously released through the spray pipe, so that the filter bag vibrates at a high frequency, peeling off the dust on the surface of the filter bag. The peeled dust falls into the ash hopper and is regularly discharged through the ash discharge valve.

[0003] When treating the dust-containing gas through a bag filter, the humidity of the dust-containing gas may vary. If the humidity of the dust-containing gas is relatively high, the high-humidity dust is likely to form a sticky agglomerate on the surface of the filter bag, resulting in the blockage of the pores of the filter bag, affecting the filtration efficiency of the filter bag. Moreover, the wet dust layer has a strong binding force with the filter bag, and it is difficult to peel off the dust on the surface of the filter bag during dust cleaning, affecting the dust cleaning effect, and further affecting the subsequent filtration effect of the filter bag. Therefore, we propose a bag filter with high efficiency and low heat loss. Summary of the Invention

[0004] The purpose of the present invention is to provide a bag filter with high efficiency and low heat loss to solve the problem proposed in the above background art that when treating the dust-containing gas through a bag filter, the humidity of the dust-containing gas may vary. If the humidity of the dust-containing gas is relatively high, the high-humidity dust is likely to form a sticky agglomerate on the surface of the filter bag, resulting in the blockage of the pores of the filter bag, affecting the filtration efficiency of the filter bag. Moreover, the wet dust layer has a strong binding force with the filter bag, and it is difficult to peel off the dust on the surface of the filter bag during dust cleaning, affecting the dust cleaning effect, and further affecting the subsequent filtration effect of the filter bag.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A bag filter with high efficiency and low heat loss, including: a dust collector body, an exhaust pipe is provided at the air inlet end on the lower side of the dust collector body, a discharge pipe is provided at the air outlet end on the upper side of the dust collector body, and filter bags are arranged inside the dust collector body; It further includes: a detection component, which is arranged on one side of the dust collector body, and the detection component detects the gas pressure difference on both sides of the filter bag according to the deflection angle; A dust cleaning component, which is arranged on one side of the filter bag, and the dust cleaning component is used to clean the dust on the surface of the filter bag; A triggering component, which is arranged on the detection component. The triggering component automatically triggers the dust cleaning component to clean the filter bag according to the deflection angle detected by the detection component, and automatically adjusts the triggering limit value of the detection component according to the humidity of the dust-containing gas. A control component, which is arranged on one side of the dust collector body. The control component automatically adjusts the cleaning intensity of the dust cleaning component according to the humidity of the dust-containing gas.

[0006] Among them, the detection component includes a mounting plate arranged on the inner side of the dust collector body. The cloth bag is arranged on the mounting plate. A bracket fixedly arranged on the inner side of the dust collector body is arranged under the mounting plate. Limit blocks fixedly arranged on the dust collector body are symmetrically arranged on the upper side of the mounting plate. A first detection piece and a second detection piece are arranged on one side of the dust collector body. The structures of the first detection piece and the second detection piece are the same.

[0007] Among them, the first detection piece includes a connecting piece fixedly arranged on the dust collector body. A moving block is slidably arranged in the connecting piece. A first spring fixedly arranged on the connecting piece is fixedly arranged on one side of the moving block. A corrugated pipe fixedly arranged on the connecting piece is fixedly arranged on the other side of the moving block. The connecting piece of the first detection piece is communicated with the dust collector body above the mounting plate. The connecting piece of the second detection piece is communicated with the dust collector body below the mounting plate.

[0008] Among them, a connecting rod is fixedly arranged on one side of the moving block of the first detection piece. The connecting rod movably penetrates through one side of the connecting piece of the first detection piece. An L-shaped rod is fixedly arranged on one side of the moving block of the second detection piece. The L-shaped rod movably penetrates through one side of the connecting piece of the second detection piece. Sliding rods are rotatably arranged at one ends of the connecting rod and the L-shaped rod. A sleeve rod is slidably arranged between the two sliding rods. A connecting shaft is rotatably arranged in the middle of the sleeve rod. A first mounting piece is fixedly arranged on the lower side of the connecting shaft. The telescopic ends of the first telescopic pieces are symmetrically and fixedly arranged on the lower side of the first mounting piece. The fixed ends of the first telescopic pieces are fixedly arranged on a fixing plate. The fixing plate is fixedly arranged on the connecting piece of the first detection piece. A pressing rod is fixedly arranged on one side of the sleeve rod. A protective shell fixedly arranged on the dust collector body is arranged outside the first mounting piece.

[0009] Among them, the triggering component includes a first moving piece slidably arranged on the first mounting piece. An arc-shaped groove adapted to the first moving piece is formed through the first mounting piece. The first moving piece is slidably arranged along the arc-shaped groove. A first switch is installed on one side of the first moving piece. A first gear member is fixedly arranged on one side of the first moving piece and rotatably arranged on the connecting shaft.

[0010] Among them, a first control component is arranged on the upper side of the first mounting piece. The first control component includes a toothed rod member slidably arranged on the first mounting piece. A limiting groove adapted to the toothed rod member is formed on the first mounting piece. The toothed rod member is slidably arranged along the limiting groove. The toothed rod member of the first control component is meshed with one side of the first gear member. A first electromagnetic block is fixedly arranged on the upper side of the first mounting piece. A first magnetic block is fixedly arranged on one side of the toothed rod member close to the first electromagnetic block. The first electromagnetic block and the first magnetic block repel each other. A second spring is fixedly arranged on one side of the toothed rod member. A fixed block is fixedly arranged at one end of the second spring. The fixed block of the first control component is fixedly arranged on the first mounting piece.

[0011] Among them, the dust cleaning component includes an air storage tank fixedly arranged with the dust collector body. A blowpipe is fixedly connected to the upper side of the air storage tank, and a pulse valve is arranged on the blowpipe.

[0012] Among them, the regulation component includes a mounting shell fixedly arranged at the air inlet of the dust collector body. Filters are fixedly arranged on both sides of the mounting shell. A humidity sensor is arranged inside the mounting shell. A connecting pipe fixedly connected to the air storage tank is fixedly connected to the upper side of the mounting shell. A shell is fixedly arranged on one side of the dust collector body. A sliding rheostat is fixedly arranged inside the shell. A connecting block is fixedly arranged on the sliding piece of the sliding rheostat. A second magnetic block is fixedly arranged on one side of the connecting block. A second electromagnetic block repelling the second magnetic block is fixedly arranged on the inner side of the shell. A third spring fixedly arranged with the shell is fixedly arranged on the other side of the connecting block. A second switch is arranged on the upper side of the shell where the connecting block is located. An electric heating sleeve is arranged outside the blowpipe.

[0013] Among them, an auxiliary component is further included. The auxiliary component is arranged on one side of the trigger component. The auxiliary component further assists the regulation component to adjust the cleaning strength of the dust cleaning component according to the amount of dust attached to the surface of the cloth bag, and automatically reminds to replace the cloth bag according to the gas pressure difference situation detected on both sides of the cloth bag by the detection component at the initial time.

[0014] Among them, the auxiliary component includes a second mounting member fixedly arranged on the upper side of the connecting shaft. The telescopic ends of second telescopic members are symmetrically and fixedly arranged on the lower side of the second mounting member. The fixed ends of the second telescopic members are fixedly arranged with a fixing plate. A second moving member is slidably arranged on the second mounting member. A third switch is arranged on one side of the second moving member. A second gear member rotatably arranged with the connecting shaft is fixedly arranged on the upper side of the second moving member. A second regulation member is arranged on the upper side of the second mounting member. The second regulation member has the same structure as the first regulation member. The toothed rod member of the second regulation member is meshed with one side of the second gear member. A pressure sensor is arranged on the upper side of the support.

[0015] The present invention has at least the following beneficial effects: Through the detection component, the present invention can convert the gas pressure difference on both sides of the cloth bag into the deflection angle of the pressure rod for detection. The triggering component, according to the deflection angle of the pressure rod detected by the detection component, when the deflection angle of the pressure rod reaches the limit value, can automatically control the dust cleaning component to clean the dust on the surface of the cloth bag. And the triggering component can also automatically adjust the triggering limit value of the detection component according to the humidity of the dust-containing gas. That is, when the humidity of the dust-containing gas is relatively high, the limit value is correspondingly lowered, so that when the deflection angle of the pressure rod of the detection component is relatively small, the dust cleaning component can be triggered to clean the cloth bag, that is, the triggering limit value of the gas pressure difference on both sides of the cloth bag is correspondingly reduced, shortening the cleaning cycle, timely cleaning the dust on the surface of the cloth bag, improving the filtering effect of the cloth bag. Through the regulation component, the cleaning intensity of the dust cleaning component can be adjusted according to the humidity of the dust-containing gas. When the humidity of the dust-containing gas is relatively high, the spraying intensity of the compressed air can be correspondingly increased during dust cleaning to improve the cleaning effect on the cloth bag, and the heating degree of the compressed air can be adjusted according to the humidity of the dust-containing gas, so as to heat the wet dust adhered to the surface of the cloth bag after the compressed air is sprayed, improving the peeling effect on the dust, and further improving the cleaning effect on the cloth bag and the subsequent filtering efficiency of the cloth bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a three-dimensional structural schematic diagram of the dust collector body of the present invention; Figure 3 is a three-dimensional structural schematic diagram of the dust collector body of the present invention from another perspective; Figure 4 is a sectional structural schematic diagram of the dust collector body and the protective shell of the present invention; Figure 5 is an exploded structural schematic diagram of the mounting plate and the bracket of the present invention; Figure 6 is a sectional connection structural schematic diagram of the connecting member and the corrugated pipe of the present invention; Figure 7 is a structural schematic diagram of the sleeve rod connection of the present invention; Figure 8 is a structural schematic diagram of the pressure rod connection of the present invention; Figure 9 is a structural schematic diagram of the first regulating member of the present invention; Figure 10 is a structural schematic diagram of the lower side connection of the first mounting member and the second mounting member of the present invention; Figure 11 is a sectional structural schematic diagram of the mounting shell of the present invention; Figure 12 is a sectional structural schematic diagram of the housing of the present invention; Figure 13 is a front view structural schematic diagram of the dust collector body of the present invention; Figure 14 For the present invention Figure 13 The enlarged structural schematic diagram at position A in the present invention; Figure 15 The top - view structural schematic diagram of the dust collector body of the present invention; Figure 16 For the present invention Figure 15 The enlarged structural schematic diagram at position B in the present invention.

[0017] In the figure: 11, dust collector body; 12, waste gas pipe; 13, exhaust pipe; 14, cloth bag; 2, detection component; 21, mounting plate; 22, bracket; 23, limit block; 24, first detection piece; 241, connecting piece; 242, moving block; 243, corrugated pipe; 244, first spring; 25, second detection piece; 26, connecting rod; 27, L - shaped rod; 28, sliding rod; 29, sleeve rod; 210, connecting shaft; 211, protective shell; 212, first mounting piece; 213, first telescopic piece; 214, fixing plate; 215, pressing rod; 3, triggering component; 31, first moving piece; 32, first switch; 33, first gear piece; 34, first regulating piece; 341, toothed rod piece; 342, limit groove; 343, first electromagnetic block; 344, first magnetic block; 345, second spring; 346, fixed block; 35, arc groove; 4, dust - cleaning component; 41, gas storage tank; 42, blowing pipe; 43, pulse valve; 5, regulating component; 51, mounting shell; 52, filter screen; 53, humidity sensor; 54, connecting pipe; 55, housing; 56, sliding rheostat; 57, connecting block; 58, second electromagnetic block; 59, second magnetic block; 510, second switch; 511, third spring; 512, electric heating sleeve; 6, auxiliary component; 61, second mounting piece; 62, second telescopic piece; 63, second moving piece; 64, second gear piece; 65, second regulating piece; 66, third switch; 67, pressure sensor; 71, high - density aluminosilicate insulation layer; 72, air layer; 73, high - density rock wool insulation layer. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0019] Embodiment 1

[0020] Please refer to Figures 1 to 12, the present invention provides a technical solution: an efficient low-heat-loss bag filter, comprising: a dust collector body 11, a waste gas pipe 12 is provided at the air inlet end on the lower side of the dust collector body 11, an exhaust pipe 13 is provided at the air outlet end on the upper side of the dust collector body 11, and a cloth bag 14 is arranged inside the dust collector body 11; It further includes: a detection component 2, the detection component 2 is arranged on one side of the dust collector body 11, and the detection component 2 detects the gas pressure difference on both sides of the cloth bag 14 according to the deflection angle; A dust cleaning component 4, the dust cleaning component 4 is arranged on one side of the cloth bag 14, and the dust cleaning component 4 is used to clean the dust on the surface of the cloth bag 14; A triggering component 3, the triggering component 3 is arranged on the detection component 2, the triggering component 3 automatically triggers the dust cleaning component 4 to clean the cloth bag 14 according to the deflection angle detected by the detection component 2, and automatically adjusts the triggering limit value of the detection component 2 according to the humidity of the dust-containing gas; A regulation component 5, the regulation component 5 is arranged on one side of the dust collector body 11, and the regulation component 5 automatically adjusts the cleaning strength of the dust cleaning component 4 according to the humidity of the dust-containing gas.

[0021] During use, the dust-containing gas enters the dust collector body 11 through the waste gas pipe 12 via the air inlet of the dust collector body 11. The dust-containing gas is filtered through the cloth bag 14, and the filtered gas enters the exhaust pipe 13 through the air outlet of the dust collector body 11 for discharge. Through the detection component 2, the gas pressure difference on both sides of the cloth bag 14 can be converted into the deflection angle of the pressure rod 215 for detection. The triggering component 3, according to the deflection angle of the pressure rod 215 detected by the detection component 2, when the deflection angle of the pressure rod 215 reaches the limit value, can automatically control the dust cleaning component 4 to clean the dust on the surface of the cloth bag 14, and the triggering component 3 can also automatically adjust the triggering limit value of the detection component 2 according to the humidity of the dust-containing gas, that is, when the humidity of the dust-containing gas is relatively high, the limit value is correspondingly lowered, so that when the deflection angle of the pressure rod 215 of the detection component 2 is relatively small, the dust cleaning component 4 can be triggered to clean the cloth bag 14, that is, the triggering limit value of the gas pressure difference on both sides of the cloth bag 14 is correspondingly reduced, the cleaning cycle is shortened, the dust on the surface of the cloth bag 14 is cleaned in time, and the filtering effect of the cloth bag 14 is improved. Through the regulation component 5, the cleaning strength of the dust cleaning component 4 can be adjusted according to the humidity of the dust-containing gas. When the humidity of the dust-containing gas is relatively high, the spraying strength of the compressed air can be correspondingly increased during dust cleaning to improve the cleaning effect on the cloth bag 14, and the heating degree of the compressed air can be adjusted according to the humidity of the dust-containing gas, so as to heat the wet dust adhered to the surface of the cloth bag 14 after the compressed air is sprayed, improve the peeling effect on the dust, and further improve the cleaning effect on the cloth bag 14 and the subsequent filtering efficiency of the cloth bag 14.

[0022] The detection component 2 includes a mounting plate 21 arranged inside the dust collector body 11. The cloth bag 14 is arranged on the mounting plate 21. A bracket 22 fixedly arranged with the inner side of the dust collector body 11 is arranged below the mounting plate 21. The bracket 22 is used to support the mounting plate 21 and the cloth bag 14 on the mounting plate 21. Limit blocks 23 fixedly arranged with the dust collector body 11 are symmetrically arranged above the mounting plate 21 to limit the mounting plate 21. A first detection piece 24 and a second detection piece 25 are arranged on one side of the dust collector body 11. The structures of the first detection piece 24 and the second detection piece 25 are the same.

[0023] The first detection piece 24 includes a connecting piece 241 fixedly arranged with the dust collector body 11. A moving block 242 is slidably arranged inside the connecting piece 241. A first spring 244 fixedly arranged with the connecting piece 241 is fixedly arranged on one side of the moving block 242. A corrugated pipe 243 fixedly arranged with the connecting piece 241 is fixedly arranged on the other side of the moving block 242. When the moving block 242 moves along the inner side of the connecting piece 241, the corrugated pipe 243 expands and contracts, which can prevent gas from leaking outside between the moving block 242 and the connecting piece 241. The connecting piece 241 of the first detection piece 24 is connected and communicated with the dust collector body 11 above the mounting plate 21, that is, connected and communicated with the gas filtered by the cloth bag 14. The connecting piece 241 of the second detection piece 25 is connected and communicated with the dust collector body 11 below the mounting plate 21, that is, connected and communicated with the unfiltered dust-containing gas.

[0024] A connecting rod 26 is fixedly arranged on one side of the moving block 242 of the first detection piece 24. The connecting rod 26 movably penetrates through one side of the connecting piece 241 of the first detection piece 24. An L-shaped rod 27 is fixedly arranged on one side of the moving block 242 of the second detection piece 25. The L-shaped rod 27 movably penetrates through one side of the connecting piece 241 of the second detection piece 25. Sliding rods 28 are rotatably arranged at one ends of the connecting rod 26 and the L-shaped rod 27. A sleeve rod 29 is slidably arranged between the two sliding rods 28, that is, the two sliding rods 28 slide along the two sides of the sleeve rod 29 respectively to extend or shorten; A connecting shaft 210 is rotatably arranged in the middle of the sleeve rod 29. A first mounting piece 212 is fixedly arranged below the connecting shaft 210. The telescopic ends of first telescopic pieces 213 are symmetrically and fixedly arranged below the first mounting piece 212. The fixed ends of the first telescopic pieces 213 are fixedly arranged with a fixing plate 214. The fixing plate 214 is fixedly arranged with the connecting piece 241 of the first detection piece 24. The first telescopic pieces 213 can support and guide the first mounting piece 212. A pressing rod 215 is fixedly arranged on one side of the sleeve rod 29. The lower end of the pressing rod 215 away from the sleeve rod 29 is set as an arc-shaped end face to facilitate pressing against the first switch 32. A protective shell 211 fixedly arranged with the dust collector body 11 is arranged outside the first mounting piece 212. The protective shell 211 can protect the detection component 2, the triggering component 3, and the auxiliary component 6 inside it.

[0025] When treating the dust-containing gas, the unfiltered dust-containing gas and the filtered gas can respectively push the moving blocks 242 of the second detection member 25 and the first detection member 24 to move away from the dust collector body 11, and the first spring 244 is compressed. Furthermore, the synchronous movement of the L-shaped rod 27 and the connecting rod 26 can be driven respectively. Due to the filtration setting of the cloth bag 14 and the attachment of dust on the surface of the cloth bag 14, the pressure of the unfiltered dust-containing gas on the lower side of the mounting plate 21 is relatively large, so that the L-shaped rod 27 moves a larger distance relative to the connecting rod 26. Through the sliding rods 28 on both sides, the sleeve rod 29 can be moved away from the dust collector body 11 and deflected around the connecting shaft 210, so that the first mounting member 212 moves away from the dust collector body 11, and the telescopic end of the first telescopic member 213 extends, and the pressing rod 215 deflects toward the connecting rod 26. As the amount of dust attached to the surface of the cloth bag 14 increases during the use of the cloth bag 14, the gas pressure difference between the two sides of the cloth bag 14 gradually increases. Furthermore, the deflection angle of the pressing rod 215 toward the connecting rod 26 can be gradually increased, so that the gas pressure difference between the two sides of the cloth bag 14 can be converted into the deflection angle of the pressing rod 215 for detection.

[0026] The triggering assembly 3 includes a first moving member 31 slidably arranged on the first mounting member 212. An arc-shaped groove 35 adapted to the first moving member 31 is formed through the first mounting member 212. The first moving member 31 is slidably arranged along the arc-shaped groove 35. The arc-shaped groove 35 is formed in an arc shape around the connecting shaft 210. A first switch 32 is installed on one side of the first moving member 31, and a first gear member 33 rotatably arranged with the connecting shaft 210 is fixedly provided on one side of the first moving member 31; As the amount of dust attached to the surface of the cloth bag 14 increases during the use of the cloth bag 14 and the gas pressure difference between the two sides of the cloth bag 14 gradually increases, when the pressing rod 215 rotates to the position of the first moving member 31 and the lower side of the end of the pressing rod 215 away from the sleeve rod 29 presses against the first switch 32, the dust cleaning assembly 4 will be automatically triggered to clean the dust on the surface of the cloth bag 14.

[0027] The dust cleaning assembly 4 includes an air storage tank 41 fixed to the dust collector body 11. A blowpipe 42 is fixedly communicated with the upper side of the air storage tank 41. The blowpipe 42 penetrates through one side of the dust collector body 11, and a plurality of nozzles are arranged on the lower side of the blowpipe 42, respectively facing the middle parts of a plurality of cloth bags 14 downward. A pulse valve 43 is arranged on the blowpipe 42; The air storage tank 41 is externally connected with an air compressor through a pipeline, and compressed air is conveyed into the air storage tank 41 through the air compressor (this is the prior art); When the pressure rod 215 presses against the first switch 32, it will control the pulse controller to output a pulse signal to control the opening of the pulse valve 43. The compressed air in the air storage tank 41 passes through the blowing pipe 42 and is sprayed into the interior of the filter bag 14 through the nozzles on the lower side of the blowing pipe 42, so as to control the instantaneous release of the compressed air through the blowing pipe 42. By using the instantaneous ejection of the compressed air, the pressure in the filter bag 14 increases sharply, and the filter bag 14 can generate high-frequency vibration, stripping the dust attached to the surface of the filter bag 14 and shaking it into the ash hopper under the dust collector body 11, thereby cleaning the dust on the surface of the filter bag 14, improving the filtering effect of the filter bag 14, and the dust in the ash hopper can be discharged through the ash discharge valve under the dust collector body 11.

[0028] The regulation component 5 includes a mounting shell 51 fixedly arranged at the air inlet of the dust collector body 11. Filter meshes 52 are fixedly arranged on both sides of the mounting shell 51. The filter meshes 52 filter the dust-containing gas. A humidity sensor 53 is arranged in the mounting shell 51. The mounting shell 51 can be arranged at an angle of 45 degrees with the air flow direction to reduce the direct impact of dust. A connecting pipe 54 fixedly communicated with the air storage tank 41 is fixedly connected to the upper side of the mounting shell 51. A pulse control valve is arranged on the connecting pipe 54; Through the humidity sensor 53, the humidity condition of the dust-containing gas can be detected, and when triggering the dust cleaning of the dust cleaning component 4, the pulse control valve on the connecting pipe 54 can also be controlled to open, so that the compressed air in the air storage tank 41 can also enter the mounting shell 51 through the connecting pipe 54 to perform backwashing cleaning on the dust attached to the surface of the filter meshes 52.

[0029] A shell 55 is fixedly arranged on one side of the dust collector body 11. A sliding rheostat 56 is fixedly arranged in the shell 55. The sliding rheostat 56 is electrically connected to the air compressor and the electric heating sleeve 512 externally connected to the air storage tank 41. The resistance value of the coil of the sliding rheostat 56 on the side where its sliding piece is far away from the second electromagnet 58 is connected to the circuit. A connecting block 57 is fixedly arranged on the sliding piece of the sliding rheostat 56. A second magnetic block 59 is fixedly arranged on one side of the connecting block 57. A second electromagnet 58 that repels the second magnetic block 59 is fixedly arranged on the inner side of the shell 55. The second electromagnet 58 is electrically connected to the humidity sensor 53. A third spring 511 fixedly connected to the shell 55 is fixedly arranged on the other side of the connecting block 57. A second switch 510 is arranged on the upper side of the shell 55 where the connecting block 57 is located. The upper side of the connecting block 57 is set as an arc-shaped end face to facilitate pressing against the second switch 510. An electric heating sleeve 512 is arranged outside the blowing pipe 42; When the humidity of the dust-containing gas detected by the humidity sensor 53 is relatively high, the resistance value of the humidity sensor 53 will be relatively small, the current in the connection circuit will be relatively large, the repulsive force of the second electromagnet 58 on the second magnet 59 will be relatively large, the connecting block 57 will drive the sliding piece of the sliding rheostat 56 to move away from the second electromagnet 58 by a relatively large distance, the third spring 511 will be compressed, the resistance value of the sliding rheostat 56 connected to the circuit will be reduced relatively more, the current in the circuit will increase relatively greatly, and the power of the air compressor will be relatively large. During the time when compressed air is delivered into the air storage tank 41 by the air compressor, relatively more compressed air can be delivered into the air storage tank 41, and the pressure of the compressed air in the air storage tank 41 will be relatively large. Therefore, during dust cleaning, the spraying force of the compressed air on the filter bag 14 can be relatively large, improving the cleaning effect on the filter bag 14. At the same time, the movement of the connecting block 57 away from the second electromagnet 58 can prevent the upper end of the connecting block 57 from pressing against the second switch 510, enabling the electric heating sleeve 512 to work. During dust cleaning, the sprayed compressed air can be heated to improve the peeling effect on the wet and sticky dust attached to the surface of the filter bag 14. When the humidity of the dust-containing gas is relatively high, the reduction of the resistance value of the sliding rheostat 56 connected to the circuit can also make the heating power of the electric heating sleeve 512 relatively large, improving the heating degree of the compressed air and further enhancing the peeling effect on the dust, thus improving the subsequent filtering effect of the filter bag 14.

[0030] A first regulating member 34 is provided on the upper side of the first mounting member 212. The first regulating member 34 includes a toothed rod member 341 slidably arranged on the first mounting member 212. A limiting groove 342 adapted to the toothed rod member 341 is formed on the first mounting member 212. The toothed rod member 341 is slidably arranged along the limiting groove 342. The toothed rod member 341 of the first regulating member 34 is meshed with one side of the first gear member 33. A first electromagnet 343 is fixedly provided on the upper side of the first mounting member 212. The first electromagnet 343 is electrically connected to the humidity sensor 53. A first magnet 344 is fixedly provided on the side of the toothed rod member 341 close to the first electromagnet 343. The first electromagnet 343 and the first magnet 344 repel each other. A second spring 345 is fixedly provided on one side of the toothed rod member 341. One end of the second spring 345 is fixedly provided with a fixing block 346. The fixing block 346 of the first regulating member 34 is fixedly provided with the first mounting member 212. When the humidity of the dusty gas detected by the humidity sensor 53 is relatively high, the repulsive force generated by the first electromagnet 343 of the first regulating member 34 on the first magnet 344 can also be relatively large, causing the toothed rod member 341 to move a relatively large distance away from the first electromagnet 343, compressing the second spring 345, and causing the first gear member 33 to drive the first moving member 31 to deflect a relatively large angle along the arc-shaped groove 35 away from the connecting rod 26. As a result, the deflection angle when the pressure rod 215 presses against the first switch 32 can be reduced, thereby lowering the triggering limit value of the gas pressure difference on both sides of the filter bag 14. When the humidity of the dusty gas is relatively high, the dust cleaning assembly 4 can be triggered relatively faster to clean the filter bag 14, shortening the cleaning cycle of the dust cleaning assembly 4, promptly cleaning the dust on the surface of the filter bag 14, and improving the filtering effect of the filter bag 14.

[0031] It further includes an auxiliary assembly 6. The auxiliary assembly 6 is arranged on one side of the triggering assembly 3. The auxiliary assembly 6 further assists the regulating assembly 5 in adjusting the cleaning force of the dust cleaning assembly 4 according to the amount of dust attached to the surface of the filter bag 14, and automatically reminds to replace the filter bag 14 according to the gas pressure difference situation on both sides of the filter bag 14 detected by the detection assembly 2 at the initial stage. The auxiliary assembly 6 includes a second mounting member 61 fixed on the upper side of the connecting shaft 210. The telescopic ends of second telescopic members 62 are symmetrically fixed on the lower side of the second mounting member 61. The fixed ends of the second telescopic members 62 are fixed to the fixing plate 214. The second telescopic members 62 can support and guide the second mounting member 61. A second moving member 63 is slidably arranged on the second mounting member 61. Correspondingly, an arc-shaped through groove adapted to the second moving member 63 is formed through the second mounting member 61. The second moving member 63 is slidably arranged along the arc-shaped through groove, and the arc-shaped through groove is circularly arranged around the connecting shaft 210. A third switch 66 is arranged on one side of the second moving member 63. The upper side of the end of the pressure rod 215 away from the sleeve rod 29 can press against the third switch 66, and within the width range of the upper side of this end of the pressure rod 215, a pressing effect on the third switch 66 can be formed. A second gear member 64 rotatably arranged with the connecting shaft 210 is fixed on the upper side of the second moving member 63. A second regulating member 65 is arranged on the upper side of the second mounting member 61. The second regulating member 65 has the same structure as the first regulating member 34. The toothed rod member 341 of the second regulating member 65 is meshed with one side of the second gear member 64. The limiting groove 342 of the second regulating member 65 is arranged on the second mounting member 61. The fixed block 346 of the second regulating member 65 is fixed on the second mounting member 61. A pressure sensor 67 is arranged on the upper side of the bracket 22. The second electromagnet 58 and the first electromagnet 343 of the second regulating member 65 are electrically connected to the pressure sensor 67. As the dust-containing gas is filtered by the cloth bag 14, the increase in the amount of dust adhering to the surface of the cloth bag 14 will cause the pressure detected by the pressure sensor 67 to increase, resulting in a decrease in its resistance value and an increase in the current in the connecting circuit. Furthermore, the magnetic force of the second electromagnetic block 58 can be further adjusted to adapt to the amount of dust adhering to the surface of the cloth bag 14. When the amount of dust adhering to the surface of the cloth bag 14 is relatively large, the dust cleaning intensity of the dust cleaning component 4 can be further assisted to improve the cleaning effect. When the dust collector body 11 is initially used each time, the pressure sensor 67 can detect the amount of dust adhering to the surface of the cloth bag 14 at the initial stage. When the amount of dust adhering to the surface of the cloth bag 14 is relatively large, the pressure detected by the pressure sensor 67 will be relatively large. As a result, the repulsive force generated by the first electromagnetic block 343 of the second regulating member 65 on the first magnetic block 344 will be relatively large, causing the toothed rod member 341 of the second regulating member 65 to move a relatively large distance away from the first electromagnetic block 343. This causes the second gear member 64 to drive the second moving member 63 to deflect a relatively large angle towards the connecting rod 26. When the amount of dust adhering to the surface of the cloth bag 14 is relatively large, the gas pressure difference between the two sides of the cloth bag 14 at the initial stage will be relatively large. As a result, the deflection angle of the pressure rod 215 towards the connecting rod 26 at the initial stage will be relatively large to adapt to the position of the adjusted second moving member 63. If the upper side of the end of the pressure rod 215 away from the sleeve rod 29 presses against the third switch 66 at the initial stage, it indicates that the amount of dust adhering to the surface of the cloth bag 14 matches the gas pressure difference between the two sides of the cloth bag 14. If the pressure rod 215 does not press against the third switch 66, it means that the deflection angle of the pressure rod 215 is relatively small, indicating that the gas pressure difference between the two sides of the cloth bag 14 is small and does not match the amount of dust adhering to the surface of the cloth bag 14. This may be due to the long-term use of the cloth bag 14, resulting in relatively large wear of the cloth bag 14, causing the filtration pores of the cloth bag 14 to expand or be damaged, and further resulting in a relatively small gas pressure difference between the two sides of the cloth bag 14. At this time, a warning signal will be triggered to remind the staff to check or replace the cloth bag 14 to ensure the filtration effect of the cloth bag 14.

[0032] Embodiment 2

[0033] As Figures 13 to 16, the dust collector body 11 is isolated in the form of a high-density aluminum silicate thermal insulation layer 71, an air layer 72, and a high-density rock wool thermal insulation layer 73; the existing multi-chamber structure design of the dust collector is such that the wall panels between adjacent dust removal chambers and between the flue and the dust removal chamber are in a shared form, and only a single layer of thermal insulation cotton is used to isolate between the dust removal chamber and the external environment, only a single layer of board is used to isolate between the dust removal chambers, and only a single layer of board is used to isolate between the flue and the dust removal chamber, resulting in obvious heat exchange phenomena between adjacent dust removal chambers, between the flue and the dust removal chamber, and between the dust removal chamber and the external environment. Especially for small multi-chamber dust collectors, due to their large specific surface area, the heat exchange phenomena between adjacent dust removal chambers, between the flue and the dust removal chamber, and between the dust removal chamber and the external environment are more obvious. On the one hand, there is a large amount of flue gas heat enthalpy loss. On the other hand, when one or several dust removal chambers are cut off offline, there will still be a large amount of heat exchange phenomena, resulting in the temperature in the offline dust removal chamber remaining relatively high, making it impossible to carry out effective maintenance operations on it, and also losing the initial functional requirement of offline maintenance; By adopting the form of a high-density aluminum silicate thermal insulation layer 71, an air layer 72, and a high-density rock wool thermal insulation layer 73, between the dust removal chamber and the external environment: efficient and scientific thermal insulation is carried out by using the process of the air layer 72, the high-density aluminum silicate thermal insulation layer 71, and the high-density rock wool thermal insulation layer 73; between the dust removal chambers: efficient and scientific thermal insulation is carried out by using the process of physical isolation, the air layer 72, the high-density aluminum silicate thermal insulation layer 71, and the high-density rock wool thermal insulation layer 73; between the dust removal chamber and the flue: efficient and scientific thermal insulation is carried out by using the process of physical isolation, the air layer 72, the high-density aluminum silicate thermal insulation layer 71, and the high-density rock wool thermal insulation layer 73; thereby, the heat loss of the waste gas during the dust removal process can be eliminated to the greatest extent, the temperature drop phenomenon during the waste gas dust removal process can be reduced, and after one or several dust removal chambers are cut off offline, the temperature inside them gradually approaches the ambient temperature. Furthermore, under the condition that the system does not stop, effective and safe maintenance operations can be carried out on the offline cut-off dust removal chambers. When the temperature drop of a conventional dust collector of the same specification is 30 - 50 °C, a temperature drop of < 8 °C can be achieved, effectively improving the heat utilization rate of the clean flue gas after dust removal.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will appreciate that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient bag filter with low heat loss, comprising: The dust collector body (11), a waste gas pipe (12) is provided at the lower air inlet end of the dust collector body (11), an exhaust pipe (13) is provided at the upper air outlet end of the dust collector body (11), and a cloth bag (14) is provided inside the dust collector body (11); It is characterized in that: it further includes: a detection component (2), the detection component (2) is arranged on one side of the dust collector body (11), and the detection component (2) detects the gas pressure difference on both sides of the cloth bag (14) according to the deflection angle; A dust cleaning component (4), the dust cleaning component (4) is arranged on one side of the cloth bag (14), and the dust cleaning component (4) is used for cleaning the dust on the surface of the cloth bag (14); A triggering component (3), the triggering component (3) is arranged on the detection component (2), and the triggering component (3) automatically triggers the dust cleaning component (4) to clean the cloth bag (14) according to the deflection angle detected by the detection component (2), and automatically adjusts the triggering limit value of the detection component (2) according to the humidity of the dust-containing gas; A regulation component (5), the regulation component (5) is arranged on one side of the dust collector body (11), and the regulation component (5) automatically adjusts the cleaning intensity of the dust cleaning component (4) according to the humidity of the dust-containing gas.

2. The high-efficiency and low-heat-loss bag filter according to claim 1, characterized in that: The detection component (2) includes a mounting plate (21) arranged inside the dust collector body (11), the cloth bag (14) is arranged on the mounting plate (21), a bracket (22) fixedly arranged with the inside of the dust collector body (11) is arranged under the mounting plate (21), limiting blocks (23) fixedly arranged with the dust collector body (11) are symmetrically arranged on the upper side of the mounting plate (21), a first detection piece (24) and a second detection piece (25) are arranged on one side of the dust collector body (11), and the structures of the first detection piece (24) and the second detection piece (25) are the same.

3. The high-efficiency and low-heat-loss bag filter according to claim 2, characterized in that: The first detection piece (24) includes a connecting piece (241) fixedly arranged with the dust collector body (11), a moving block (242) is slidably arranged inside the connecting piece (241), a first spring (244) fixedly arranged with the connecting piece (241) is fixedly arranged on one side of the moving block (242), a corrugated pipe (243) fixedly arranged with the connecting piece (241) is fixedly arranged on the other side of the moving block (242), the connecting piece (241) of the first detection piece (24) is communicated with the upper side of the dust collector body (11) where it is located on the mounting plate (21), and the connecting piece (241) of the second detection piece (25) is communicated with the lower side of the dust collector body (11) where it is located on the mounting plate (21).

4. The high-efficiency and low-heat-loss fabric filter according to claim 3, wherein: One side of the moving block (242) of the first detection member (24) is fixedly provided with a connecting rod (26). The connecting rod (26) movably penetrates through one side of the communicating member (241) of the first detection member (24). One side of the moving block (242) of the second detection member (25) is fixedly provided with an L-shaped rod (27). The L-shaped rod (27) movably penetrates through one side of the communicating member (241) of the second detection member (25). One end of each of the connecting rod (26) and the L-shaped rod (27) is rotatably provided with a sliding rod (28). A sleeve rod (29) is slidably arranged between the two sliding rods (28). A connecting shaft (210) is rotatably arranged in the middle of the sleeve rod (29). A first mounting member (212) is fixedly provided on the lower side of the connecting shaft (210). The telescopic ends of first telescopic members (213) are symmetrically and fixedly provided on the lower side of the first mounting member (212). The fixed ends of the first telescopic members (213) are fixedly provided with a fixing plate (214). The fixing plate (214) is fixedly provided with the communicating member (241) of the first detection member (24). A pressing rod (215) is fixedly provided on one side of the sleeve rod (29). A protective shell (211) fixedly provided with the dust collector body (11) is arranged on the outer side of the first mounting member (212).

5. The high-efficiency and low-heat-loss bag filter according to claim 4, characterized in that: The triggering assembly (3) includes a first moving member (31) slidably arranged on the first mounting member (212). An arc-shaped groove (35) adapted to the first moving member (31) is formed through the first mounting member (212). The first moving member (31) is slidably arranged along the arc-shaped groove (35). A first switch (32) is installed on one side of the first moving member (31). A first gear member (33) rotatably arranged with the connecting shaft (210) is fixedly provided on one side of the first moving member (31).

6. The high-efficiency and low-heat-loss bag filter according to claim 5, characterized in that: A first regulating member (34) is arranged on the upper side of the first mounting member (212). The first regulating member (34) includes a toothed rod member (341) slidably arranged on the first mounting member (212). A limiting groove (342) adapted to the toothed rod member (341) is formed in the first mounting member (212). The toothed rod member (341) is slidably arranged along the limiting groove (342). The toothed rod member (341) of the first regulating member (34) is meshed with one side of the first gear member (33). A first electromagnetic block (343) is fixedly provided on the upper side of the first mounting member (212). A first magnetic block (344) is fixedly provided on the side of the toothed rod member (341) close to the first electromagnetic block (343). The first electromagnetic block (343) and the first magnetic block (344) repel each other. A second spring (345) is fixedly provided on one side of the toothed rod member (341). One end of the second spring (345) is fixedly provided with a fixing block (346). The fixing block (346) of the first regulating member (34) is fixedly provided with the first mounting member (212).

7. The high-efficiency and low-heat-loss bag filter according to claim 1, characterized in that: The dust cleaning assembly (4) includes an air storage tank (41) fixedly provided with the dust collector body (11). A blowing pipe (42) is fixedly communicated with the upper side of the air storage tank (41). A pulse valve (43) is arranged on the blowing pipe (42).

8. The high-efficiency and low-heat-loss bag filter according to claim 7, characterized in that: The control component (5) includes a mounting shell (51) fixedly arranged at the air inlet of the dust collector body (11). Filter screens (52) are fixedly arranged on both sides of the mounting shell (51). A humidity sensor (53) is arranged inside the mounting shell (51). A connecting pipe (54) fixedly connected to the gas storage tank (41) is fixedly communicated with the upper side of the mounting shell (51). A shell (55) is fixedly arranged on one side of the dust collector body (11). A sliding rheostat (56) is fixedly arranged inside the shell (55). A connecting block (57) is fixedly arranged on the sliding piece of the sliding rheostat (56). A second magnetic block (59) is fixedly arranged on one side of the connecting block (57). A second electromagnetic block (58) which repels the second magnetic block (59) is fixedly arranged on the inner side of the shell (55). A third spring (511) fixedly connected to the shell (55) is fixedly arranged on the other side of the connecting block (57). A second switch (510) is arranged on the upper side of the shell (55) where the connecting block (57) is located. An electric heating sleeve (512) is arranged outside the blowing pipe (42).

9. The high-efficiency and low-heat-loss bag filter according to claim 6, wherein: It further includes an auxiliary component (6). The auxiliary component (6) is arranged on one side of the triggering component (3). The auxiliary component (6) further assists the control component (5) to adjust the cleaning strength of the cleaning component (4) according to the amount of dust attached to the surface of the cloth bag (14), and automatically reminds to replace the cloth bag (14) according to the gas pressure difference situation on both sides of the cloth bag (14) detected by the detection component (2) initially.

10. The high-efficiency and low-heat-loss fabric filter according to claim 9, characterized in that: The auxiliary component (6) includes a second mounting part (61) fixedly arranged on the upper side of the connecting shaft (210). The telescopic ends of second telescopic parts (62) are symmetrically and fixedly arranged on the lower side of the second mounting part (61). The fixed ends of the second telescopic parts (62) are fixedly connected to the fixing plate (214). A second moving part (63) is slidably arranged on the second mounting part (61). A third switch (66) is arranged on one side of the second moving part (63). A second gear part (64) rotatably arranged with the connecting shaft (210) is fixedly arranged on the upper side of the second moving part (63). A second control part (65) is arranged on the upper side of the second mounting part (61). The second control part (65) has the same structure as the first control part (34). The toothed rod part (341) of the second control part (65) is meshed with one side of the second gear part (64). A pressure sensor (67) is arranged on the upper side of the bracket (22).

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