CN114377854B - Combined electrostatic dust collection filter bag for coal-fired boiler and implementation method thereof - Google Patents
Combined electrostatic dust collection filter bag for coal-fired boiler and implementation method thereof Download PDFInfo
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- CN114377854B CN114377854B CN202210081451.7A CN202210081451A CN114377854B CN 114377854 B CN114377854 B CN 114377854B CN 202210081451 A CN202210081451 A CN 202210081451A CN 114377854 B CN114377854 B CN 114377854B
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- 239000000428 dust Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000002912 waste gas Substances 0.000 claims abstract description 29
- 239000000779 smoke Substances 0.000 claims abstract description 25
- 238000001179 sorption measurement Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 35
- 230000003068 static effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000012717 electrostatic precipitator Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 2
- 239000002585 base Substances 0.000 description 30
- 238000005086 pumping Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses a combined electrostatic dust collection filter bag for a coal-fired boiler and an implementation method thereof, wherein the combined electrostatic dust collection filter bag comprises an electrostatic coarse filtration assembly, a fixing nut, a combined filter bag, a material suction sleeve and a sealing gasket, when waste gas of the coal-fired boiler is treated, a material suction pump in the material suction sleeve is started, the flow speed of waste gas in the whole dust collection filter bag is improved, when the waste gas enters the electrostatic coarse filtration assembly, smoke dust in the waste gas is adsorbed on the inner wall of an electrostatic adsorption pipe through electrostatic action, the rest waste gas is pumped by the material suction pump after being subjected to coarse filtration of the coarse filtration, and is discharged through an exhaust pipe, the discharged waste gas firstly passes through an exhaust hole and contacts an outer filter bag body, fine filtration of smoke dust is carried out through the filter bag body, the assembly and disassembly difficulties are low, meanwhile, the filtration pressure of the filter dust of the filter bag is reduced, and the quality of waste gas smoke dust filtration is effectively improved.
Description
Technical Field
The invention relates to the technical field of dust removing filter bags, in particular to a combined electrostatic dust removing filter bag for a coal-fired boiler and an implementation method thereof.
Background
The dedusting filter bag is an efficient dedusting filter material, has good ventilation performance, high dedusting efficiency, certain acid resistance, alkali resistance and heat resistance, adopts polygonal napping in the weaving process, improves the thickness of the fabric, has high elasticity, has very good dedusting effect and higher dedusting rate, adopts polyester staple fibers or long fibers as raw materials, has the service life which is 4-6 times that of glass fiber fabrics generally, has good air permeability, and has high dust collection rate and ash removal capacity.
The patent No. CN202010806960.2 provides a dust removing filter bag convenient to deashing and have metal protection filter screen, through setting up metal protection filter screen cylinder, because metal protection filter screen cylinder is the cylinder, the user cup joints dust removing filter bag and upwards pulls dust removing filter bag from metal protection filter screen cylinder bottom, make dust removing filter bag shelter from the draw-in groove, then promote the clamping ring to the draw-in groove remove through rotating two adjusting screw, thereby accomplish the fixed of metal protection filter screen cylinder and dust removing filter bag, make dust removing filter bag by metal protection filter screen cylinder support the protection, avoid appearing the fold when using, thereby reached the effectual purpose of support, through setting up the flabellum, when the outside air gets into the exhaust groove through dust removing filter bag and when flowing to the exhaust hole, the flabellum is driven rotatoryly by the air current, and then the pivot drives the gangbar with connecting rod fixed connection and rotate, thereby make first inner circle rotatory, thereby make the cleaning brush that is connected with the dead lever carry out the deashing to dust removing filter bag surface and handle, ensure that the dust removing filter bag keeps good filter effect, thereby reached the purpose convenient to deashing. The above patent has the following problems:
1. when the dedusting filter bag is used for filtering the waste gas of the coal-fired boiler, the filtering pressure of a single-layer filter screen in the dedusting filter bag is high due to the fact that the smoke and dust content in the waste gas of the coal-fired boiler is high, and the problem of poor filtering quality is easy to occur;
2. the dust removing filter bag is high in assembling difficulty and does not fit with the connection of the exhaust gas discharge port of the coal-fired boiler.
Disclosure of Invention
The invention aims to provide a combined electrostatic dust collection filter bag for a coal-fired boiler and an implementation method thereof, wherein an external threaded pipe of an electrostatic coarse filtration assembly is connected to an exhaust gas outlet of the coal-fired boiler, an external power supply device is connected to a power supply interface on the side surface of a sleeve base, a material suction pump in the material suction sleeve is started to improve the flow speed of exhaust gas in the whole dust collection filter bag, when the exhaust gas enters the electrostatic coarse filtration assembly, smoke dust in the exhaust gas is adsorbed on the inner wall of an electrostatic adsorption pipe through electrostatic action, the rest exhaust gas is pumped by the material suction pump after being subjected to coarse filtration of a coarse filter screen, and is discharged through an exhaust pipe, the discharged exhaust gas firstly passes through an exhaust hole and contacts an outer dust collection filter bag, fine filtration of smoke dust is performed through the dust collection filter bag, after the exhaust gas filtration of the coal-fired boiler is completed, the combined filter bag is detached, the dust collection filter bag is cleaned, and the power supply device on the upper side is disconnected, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe falls down to the coarse filter screen, and the coarse filter screen is detached for cleaning, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a coal fired boiler is with combination formula electrostatic precipitator filter bag, includes static straining subassembly, fixation nut, combination formula filter bag, takes out material sleeve pipe and sealing washer, the downside installation combination formula filter bag of static straining subassembly, fixation nut is installed respectively to the left and right sides of static straining subassembly, the internally mounted of combination formula filter bag takes out material sleeve pipe, take out the inside upper end installation sealing washer of material sleeve pipe.
Preferably, the static rough filtration subassembly includes PMKD, through hole, sleeve pipe base, external screwed pipe, embedded frame, electrostatic adsorption pipe, power supply interface, inscription base, inscription screwed pipe, filter screen frame and coarse screen, PMKD's left and right sides is equipped with the through hole respectively, PMKD's upper end center department is equipped with the sleeve pipe base, sleeve pipe base's upside is equipped with external screwed pipe, sleeve pipe base's inside is equipped with embedded frame, be equipped with electrostatic adsorption pipe on the embedded frame, sleeve pipe base's side is equipped with power supply interface, PMKD's downside center department is equipped with inscription base, inscription base's downside is equipped with inscription screwed pipe, inscription base's internally mounted filter screen frame, filter screen frame downside is equipped with the coarse screen.
Preferably, the combined filter bag comprises a connecting plate, a mounting opening, a filter bag frame, a filter bag body and a through screw rod, wherein the mounting opening is formed in the center of the connecting plate, the filter bag frame is arranged on the lower side of the connecting plate, the filter bag body is arranged on the lower side of the filter bag frame, and the through screw rod is respectively arranged on the left side and the right side of the upper end of the connecting plate.
Preferably, the material-drawing sleeve comprises a sleeve shell, a protection jacket, a fixing screw, a buckle nut, a nested inner sleeve, a pump clamping panel, a material-drawing pump, an exhaust pipe joint, an exhaust pipe and an exhaust hole, wherein the left side and the right side of the upper end of the sleeve shell are respectively provided with the protection jacket, the fixing screw is internally installed on the protection jacket, the buckle nut is installed on the fixing screw, the tail end of the fixing screw is provided with the nested inner sleeve, the pump clamping panel is arranged on the inner wall of the center of the sleeve shell, the material-drawing pump is installed in the pump clamping panel, the exhaust pipe joint is installed on the upper side of the material-drawing pump, the exhaust pipe is installed below the material-drawing pump, and the side surface of the lower half section of the sleeve shell is provided with the exhaust hole.
Preferably, the internally threaded tube is nested in a nested inner sleeve.
Preferably, the through screw passes through the through hole, and a fixing nut is mounted on the outer side of the through screw.
The invention provides another technical scheme that: the implementation method of the combined electrostatic dust collection filter bag for the coal-fired boiler comprises the following steps:
step one: connecting an external threaded pipe of the electrostatic rough filtering component with an exhaust gas outlet of the coal-fired boiler, and connecting external power supply equipment with a power supply interface on the side surface of the sleeve base;
step two: starting a material pumping pump in the material pumping sleeve, improving the flow speed of waste gas in the whole dust removing filter bag, and adsorbing smoke dust in the waste gas on the inner wall of the electrostatic adsorption tube through electrostatic action when the waste gas enters the electrostatic rough filtering component;
step three: the residual waste gas is pumped by a pumping pump after being subjected to rough filtration of a rough filter screen, and is discharged through an exhaust pipe, the discharged waste gas firstly passes through an exhaust hole and contacts with an outside filter bag body, and fine filtration of smoke dust is performed through the filter bag body;
step four: after the waste gas of the coal-fired boiler is filtered, the combined filter bag is detached, the filter bag body is cleaned, and meanwhile, power supply equipment on the upper side is disconnected, so that smoke dust adsorbed on the inner wall of the electrostatic adsorption tube falls down to the coarse filter screen and the coarse filter screen is detached for cleaning.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a combined electrostatic dust collection filter bag for a coal-fired boiler and an implementation method thereof, wherein an external thread pipe of an electrostatic coarse filtration assembly is connected with an exhaust gas outlet of the coal-fired boiler, an external power supply device is connected with a power supply interface on the side surface of a sleeve base at the same time, when the coal-fired boiler exhaust gas is treated, a material suction pump in the material suction sleeve is started to improve the flow speed of the exhaust gas in the whole dust collection filter bag, when the exhaust gas enters the electrostatic coarse filtration assembly, smoke dust in the exhaust gas is adsorbed on the inner wall of an electrostatic adsorption pipe through electrostatic action, the rest exhaust gas is subjected to coarse filtration of a coarse filter screen, and is pumped by the material suction pump and discharged through an exhaust pipe, the discharged exhaust gas firstly passes through an exhaust hole and contacts an outer filter bag body, fine filtration of smoke dust is carried out through the filter bag body, after the exhaust gas filtration of the coal-fired boiler is finished, the combined filter bag is detached, the filter bag body is cleaned, and the upper power supply device is disconnected, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe is dropped to the coarse filter screen, and the coarse filter screen is detached for cleaning.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional structural view of the electrostatic straining assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of a modular filter bag of the present invention;
FIG. 5 is a schematic cross-sectional view of a suction sleeve according to the present invention;
fig. 6 is an enlarged schematic view of the structure of the drawing sleeve at a.
In the figure: 1. an electrostatic straining assembly; 101. a fixed bottom plate; 102. a through hole; 103. a sleeve base; 104. externally connecting a threaded pipe; 105. an embedded frame; 106. an electrostatic adsorption tube; 107. a power supply interface; 108. a base is inscribed; 109. inscribing a threaded pipe; 1010. a screen frame; 1011. a coarse filter screen; 2. a fixing nut; 3. a combined filter bag; 31. a connecting plate; 32. a mounting opening; 33. a filter bag frame; 34. a filter bag body; 35. a through screw; 4. a material pumping sleeve; 41. a sleeve housing; 42. a protective jacket; 43. a fixed screw; 44. a snap nut; 45. nesting the inner sleeve; 46. a pump clip panel; 47. a material pump; 48. an exhaust pipe joint; 49. an exhaust pipe; 410. an exhaust hole; 5. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a combined electrostatic dust collection filter bag for a coal-fired boiler comprises an electrostatic coarse filtration assembly 1, a fixing nut 2, a combined filter bag 3, a material pumping sleeve 4 and a sealing gasket 5, wherein the combined filter bag 3 is installed on the lower side of the electrostatic coarse filtration assembly 1, the fixing nut 2 is respectively installed on the left side and the right side of the electrostatic coarse filtration assembly 1, the material pumping sleeve 4 is installed in the combined filter bag 3, and the sealing gasket 5 is installed at the upper end in the material pumping sleeve 4.
Referring to fig. 3, the electrostatic coarse filtration assembly 1 includes a fixing base plate 101, a through hole 102, a sleeve base 103, an external threaded pipe 104, an embedded frame 105, an electrostatic adsorption pipe 106, a power supply interface 107, an internal connection base 108, an internal threaded pipe 109, a filter screen frame 1010 and a coarse filtration net 1011, wherein the left and right sides of the fixing base plate 101 are respectively provided with the through hole 102, the center of the upper end of the fixing base plate 101 is provided with the sleeve base 103, the upper side of the sleeve base 103 is provided with the external threaded pipe 104, the inside of the sleeve base 103 is provided with the embedded frame 105, the embedded frame 105 is provided with the electrostatic adsorption pipe 106, the side surface of the sleeve base 103 is provided with the power supply interface 107, the center of the lower side of the fixing base plate 101 is provided with the internal connection base 108, the lower side of the internal connection base 108 is provided with the internal connection threaded pipe 109, the internal installation filter screen frame 1010 of the internal connection base 108, and the lower side of the filter screen frame 1010 is provided with the coarse filtration net 1011.
Referring to fig. 4, the combined filter bag 3 includes a connection plate 31, a mounting opening 32, a filter bag frame 33, a filter bag body 34 and a through screw 35, the mounting opening 32 is provided at the center of the connection plate 31, the filter bag frame 33 is provided at the lower side of the connection plate 31, the filter bag body 34 is provided at the lower side of the filter bag frame 33, the through screw 35 is provided at the left and right sides of the upper end of the connection plate 31, the through screw 35 passes through the through hole 102, and the fixing nut 2 is mounted at the outer side of the through screw 35.
Referring to fig. 5-6, the material extracting sleeve 4 includes a sleeve housing 41, a protective jacket 42, a fixing screw 43, a fastening nut 44, a nested inner sleeve 45, a pump clamping panel 46, a material extracting pump 47, an exhaust pipe joint 48, an exhaust pipe 49 and an exhaust hole 410, wherein the left and right sides of the upper end of the sleeve housing 41 are respectively provided with the protective jacket 42, the fixing screw 43 is installed inside the protective jacket 42, the fastening nut 44 is installed on the fixing screw 43, the tail end of the fixing screw 43 is provided with the nested inner sleeve 45, an internal thread pipe 109 is installed in the nested inner sleeve 45 in a nested manner, a pump clamping panel 46 is arranged on the inner wall of the center of the sleeve housing 41, the material extracting pump 47 is installed in the pump clamping panel 46, the exhaust pipe joint 48 is installed on the upper side of the material extracting pump 47, the exhaust pipe 49 is installed below the material extracting pump 47, and the side of the lower half section of the sleeve housing 41 is provided with the exhaust hole 410.
In order to better show the implementation flow of the combined electrostatic dust collection filter bag for the coal-fired boiler, the embodiment now provides an implementation method of the combined electrostatic dust collection filter bag for the coal-fired boiler, which comprises the following steps:
step one: the external threaded pipe 104 of the electrostatic rough filtration component 1 is connected to an exhaust gas outlet of the coal-fired boiler, and meanwhile, external power supply equipment is connected to a power supply interface 107 on the side surface of the sleeve base 103;
step two: starting a material pumping pump 47 in the material pumping sleeve 4 to improve the flow speed of the waste gas in the whole dust removing filter bag, and adsorbing smoke dust in the waste gas on the inner wall of the electrostatic adsorption tube 106 through electrostatic action when the waste gas enters the electrostatic rough filtering component 1;
step three: after the residual waste gas is subjected to rough filtration by a rough filtration net 1011, the waste gas is pumped by a pumping pump 47 and is discharged through an exhaust pipe 49, the discharged waste gas firstly passes through an exhaust hole 410 and contacts an outer filter bag body 34, and fine filtration of smoke dust is performed through the filter bag body 34;
step four: after the waste gas of the coal-fired boiler is filtered, the combined filter bag 3 is disassembled, the filter bag body 34 is cleaned, and meanwhile, power supply equipment on the upper side is disconnected, so that smoke dust adsorbed on the inner wall of the electrostatic adsorption tube 106 falls down to the coarse filter mesh 1011 and the coarse filter mesh 1011 is disassembled for cleaning.
The working principle of the invention is as follows: the invention relates to a combined electrostatic dust collection filter bag for a coal-fired boiler and an implementation method thereof, wherein an external threaded pipe 104 of an electrostatic coarse filtration assembly 1 is connected to an exhaust gas outlet of the coal-fired boiler, and an external power supply device is connected to a power supply interface 107 on the side surface of a sleeve base 103 at the same time, when the coal-fired boiler exhaust gas is treated, a material pump 47 in a material pumping sleeve 4 is started to improve the flow speed of the exhaust gas in the whole dust collection filter bag, when the exhaust gas enters the electrostatic coarse filtration assembly 1, smoke dust in the exhaust gas is adsorbed on the inner wall of an electrostatic adsorption pipe 106 through electrostatic action, the rest of the exhaust gas is pumped by the material pumping pump 47 after being subjected to coarse filtration of a coarse filtration net 1011, and is discharged through an exhaust pipe 49, the discharged exhaust gas firstly passes through an exhaust hole 410 and contacts an outer filter bag body 34, fine filtration of the smoke dust is performed through the filter bag body 34, after the exhaust gas of the coal-fired boiler is filtered, the combined filter bag 3 is disassembled, and the filter bag body 34 is cleaned, and the power supply device on the upper side is disconnected, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe 106 drops down to the coarse filtration net 1011, and the coarse filtration net 1011 is cleaned.
To sum up: the invention relates to a combined electrostatic dust collection filter bag for a coal-fired boiler and an implementation method thereof, wherein an external threaded pipe 104 of an electrostatic coarse filtration assembly 1 is connected to an exhaust gas exhaust port of the coal-fired boiler, and an external power supply device is connected to a power supply interface 107 on the side surface of a sleeve base 103 at the same time, when the coal-fired boiler exhaust gas is treated, a suction pump 47 in the suction sleeve 4 is started, the flow speed of exhaust gas in the whole dust collection filter bag is improved, when the exhaust gas enters the electrostatic coarse filtration assembly 1, smoke dust in the exhaust gas is adsorbed on the inner wall of an electrostatic adsorption pipe 106 through electrostatic action, the rest exhaust gas is pumped by the suction pump 47 after being subjected to coarse filtration of a coarse filtration net 1011, and is discharged through an exhaust pipe 49, the discharged exhaust gas firstly passes through an exhaust hole 410 and contacts an outside filter bag body 34, fine filtration of smoke dust is performed through the filter bag body 34, after the exhaust gas of the coal-fired boiler is filtered, the combined filter bag 3 is detached, and the filter bag body 34 is cleaned, and the power supply device on the upper side is disconnected, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe 106 drops down to the coarse filtration net 1011, and the dust collection filter bag 1011 is cleaned.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should be covered by the protection scope of the present invention by making equivalents and modifications to the technical solution and the inventive concept thereof.
Claims (5)
1. The utility model provides a coal fired boiler is with combination formula electrostatic precipitator filter bag, includes static coarse filtration subassembly (1), fixation nut (2), combination formula filter bag (3), takes out material sleeve pipe (4) and sealing washer (5), its characterized in that: the combined filter bag (3) is installed to the downside of static straining subassembly (1), fixation nut (2) is installed respectively to the left and right sides of static straining subassembly (1), internally mounted of combined filter bag (3) takes out material sleeve pipe (4), take out material sleeve pipe (4) inside upper end installation sealing washer (5), static straining subassembly (1) include fixed baseplate (101), through-hole (102), sleeve pipe base (103), external screwed pipe (104), embedded frame (105), electrostatic adsorption pipe (106), power supply interface (107), inscription base (108), inscription screwed pipe (109), filter screen frame (1010) and coarse filtration net (1011), the left and right sides of fixed baseplate (101) are equipped with through-hole (102) respectively, the upper end center department of fixed baseplate (101) is equipped with sleeve pipe base (103), the upside of sleeve pipe base (103) is equipped with external screwed pipe (104), the inside of sleeve pipe base (103) is equipped with embedded frame (105), be equipped with electrostatic adsorption pipe (106) on embedded frame (105), side of being equipped with on embedded frame (103) and power supply interface (108) side (101), the lower side of inscription base (108) is equipped with inscription screwed pipe (109), internally mounted filter screen frame (1010) of inscription base (108), filter screen frame (1010) downside is equipped with coarse strainer (1011), take out material sleeve pipe (4) including sleeve pipe shell (41), protection overcoat (42), fixing screw (43), buckle nut (44), nested interior sleeve pipe (45), pump clamp panel (46), take out material pump (47), exhaust column joint (48), exhaust pipe (49) and exhaust hole (410), the upper end left and right sides of sleeve pipe shell (41) is equipped with protection overcoat (42) respectively, the internally mounted fixing screw (43) of protection overcoat (42), install buckle nut (44) on fixing screw (43), the end of fixing screw (43) is equipped with nested interior sleeve pipe (45), be equipped with pump clamp panel (46) on the center department inner wall of sleeve pipe shell (41), install in pump clamp panel (46) and take out material pump (47), take out material pump (47)'s upside installation exhaust pipe joint (48), take out material pump (47) side face down half panel (49), exhaust pipe (410) are equipped with.
2. The combination type electrostatic precipitator filter bag for a coal-fired boiler according to claim 1, wherein: the combined filter bag (3) comprises a connecting plate (31), a mounting opening (32), a filter bag frame (33), a filter bag body (34) and a through screw (35), wherein the mounting opening (32) is arranged at the center of the connecting plate (31), the filter bag frame (33) is arranged at the lower side of the connecting plate (31), the filter bag body (34) is arranged at the lower side of the filter bag frame (33), and the through screw (35) is respectively arranged at the left side and the right side of the upper end of the connecting plate (31).
3. The combination type electrostatic precipitator filter bag for a coal-fired boiler according to claim 1, wherein: the internally threaded tube (109) is nested in the nested inner sleeve (45).
4. The combination type electrostatic precipitator filter bag for a coal-fired boiler according to claim 2, wherein: the through screw (35) passes through the through hole (102), and a fixing nut (2) is arranged outside the through screw (35).
5. A method of implementing a combination electrostatic precipitator filter bag for a coal-fired boiler according to any of claims 1-4, comprising the steps of:
s1: an external threaded pipe (104) of the electrostatic rough filtering component (1) is connected to an exhaust gas outlet of the coal-fired boiler, and an external power supply device is connected to a power supply interface (107) on the side surface of the sleeve base (103);
s2: starting a material sucking pump (47) in the material sucking sleeve (4) to improve the flow speed of waste gas in the whole dedusting filter bag, and adsorbing smoke dust in the waste gas on the inner wall of the electrostatic adsorption tube (106) through electrostatic action when the waste gas enters the electrostatic rough filtering component (1);
s3: after the residual waste gas is subjected to rough filtration by a rough filter screen (1011), the waste gas is extracted by a material extracting pump (47) and is discharged through an exhaust pipe (49), the discharged waste gas firstly passes through an exhaust hole (410) and contacts an outer filter bag body (34), and fine filtration of smoke dust is performed through the filter bag body (34);
s4: after the waste gas of the coal-fired boiler is filtered, the combined filter bag (3) is disassembled, the filter bag body (34) is cleaned, and meanwhile, power supply equipment at the upper side is disconnected, so that smoke dust adsorbed on the inner wall of the electrostatic adsorption tube (106) falls down to the coarse filter screen (1011) and the coarse filter screen (1011) is disassembled for cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081451.7A CN114377854B (en) | 2022-01-24 | 2022-01-24 | Combined electrostatic dust collection filter bag for coal-fired boiler and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081451.7A CN114377854B (en) | 2022-01-24 | 2022-01-24 | Combined electrostatic dust collection filter bag for coal-fired boiler and implementation method thereof |
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| Publication Number | Publication Date |
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| CN114377854A CN114377854A (en) | 2022-04-22 |
| CN114377854B true CN114377854B (en) | 2024-02-20 |
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| CN114768402A (en) * | 2022-05-27 | 2022-07-22 | 安徽天顺环保设备股份有限公司 | Negative pressure large cloth bag dust removal device for industrial silicon ore heat furnace |
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| CN214634799U (en) * | 2020-12-31 | 2021-11-09 | 云南文山斗南锰业股份有限公司 | Smoke dust collecting device for smelting furnace |
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2022
- 2022-01-24 CN CN202210081451.7A patent/CN114377854B/en active Active
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|---|---|---|---|---|
| CN201161149Y (en) * | 2007-11-23 | 2008-12-10 | 东华大学 | Electric bag combined dust remover for dedusting of flue gas |
| CN210348331U (en) * | 2019-06-12 | 2020-04-17 | 四川灰犀牛科技有限公司 | Big data server with dust removal function |
| CN212457972U (en) * | 2020-06-03 | 2021-02-02 | 安徽天顺环保设备股份有限公司 | Dry purification ash discharge device for silicon-manganese electric furnace gas |
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| CN114377854A (en) | 2022-04-22 |
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