CN114377854A - 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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- CN114377854A CN114377854A CN202210081451.7A CN202210081451A CN114377854A CN 114377854 A CN114377854 A CN 114377854A CN 202210081451 A CN202210081451 A CN 202210081451A CN 114377854 A CN114377854 A CN 114377854A
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- coal
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- 239000000428 dust Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002912 waste gas Substances 0.000 claims abstract description 58
- 238000001914 filtration Methods 0.000 claims abstract description 51
- 238000005086 pumping Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000000779 smoke Substances 0.000 claims abstract description 26
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000012717 electrostatic precipitator Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 30
- 239000002184 metal Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009423 ventilation Methods 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
- 239000003365 glass fiber Substances 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
- 230000008093 supporting effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
Abstract
The invention discloses a combined electrostatic dust collection filter bag for a coal-fired boiler and an implementation method thereof, which comprises an electrostatic rough filtering component, a fixing nut, a combined filter bag, a material pumping sleeve and a sealing gasket, when the waste gas of the coal-fired boiler is treated, the material pumping pump in the material pumping sleeve is started to improve the flow speed of the waste gas in the whole dust removal filter bag, when the waste gas enters the electrostatic rough filtering component, the smoke dust in the waste gas is adsorbed on the inner wall of the electrostatic adsorption pipe through the electrostatic effect, the residual waste gas is extracted by the material pumping pump after rough filtering of the rough filtering net, and is discharged through an exhaust pipe, the discharged waste gas firstly passes through an exhaust hole and contacts with the filter bag body on the outer side, the fine filtration of the smoke dust is carried out through the filter bag body, the assembly and disassembly difficulty is low, and meanwhile, the electrostatic dust collection and the dust filtration of the filter bag are combined, so that the filtration pressure of the filter bag for filtering dust is reduced, and the filtration quality of waste gas and smoke dust is effectively improved.
Description
Technical Field
The invention relates to the technical field of dust-removing filter bags, in particular to a combined type electrostatic dust-removing filter bag for a coal-fired boiler and an implementation method thereof.
Background
The dust-removing filter bag is an efficient dust-removing filter material, has good ventilation performance, high dust-removing efficiency, certain acid resistance, alkali resistance and heat resistance, adopts multilateral napping in the weaving process, improves the thickness of the fabric, is rich in elasticity, has very good dust-removing effect and higher dust-removing rate, adopts polyester short fibers or long fibers as raw materials, has the service life which is 4-6 times that of glass fiber fabrics generally, has good ventilation performance, high dust-collecting rate and capacity of removing dust.
Patent No. CN202010806960.2 provides a dust-removing filter bag convenient for dust cleaning and having a metal protection filter screen, by arranging a metal protection filter screen cylinder, because the metal protection filter screen cylinder is cylindrical, a user can sleeve the dust-removing filter bag from the bottom of the metal protection filter screen cylinder and pull the dust-removing filter bag upwards to enable the dust-removing filter bag to shield the clamping groove, then the user can push the pressure ring to move inwards to the clamping groove by rotating two adjusting screws, thereby fixing the metal protection filter screen cylinder and the dust-removing filter bag, enabling the dust-removing filter bag to be supported and protected by the metal protection filter screen cylinder, avoiding the occurrence of wrinkles during use, thereby achieving the purpose of good supporting effect, by arranging fan blades, when external air enters the exhaust groove through the dust-removing filter bag and flows towards the exhaust hole, the fan blades are driven to rotate by air flow, further a rotating shaft drives a linkage rod fixedly connected with a connecting rod to rotate, so that a first inner ring rotates, thereby enabling a cleaning brush connected with the fixing rod to perform dust cleaning treatment on the surface of the dust-removing filter bag, ensures that the dust removal filter bag keeps good filtering effect, thereby achieving the purpose of conveniently cleaning the dust. The above patents have the following problems:
1. when the dust removal filter bag is used for filtering the waste gas of the coal-fired boiler, the problem of poor filtering quality is easy to occur because the smoke content in the waste gas of the coal-fired boiler is high and the filtering pressure of a single-layer filter screen in the dust removal filter bag is high;
2. the dust removal filter bag is high in assembly difficulty and is not connected with a waste gas discharge port of a coal-fired boiler in an installation mode.
Disclosure of Invention
The invention aims to provide a combined electrostatic dust-removing filter bag for a coal-fired boiler and an implementation method thereof, wherein an external threaded pipe of an electrostatic rough-filtering component is connected with a waste gas exhaust port 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, a material pumping pump inside a material pumping sleeve is started to improve the flow speed of waste gas in the whole dust-removing filter bag, when the waste gas enters the electrostatic rough-filtering component, smoke dust in the waste gas is adsorbed on the inner wall of an electrostatic adsorption pipe through electrostatic action, the residual waste gas is roughly filtered by a rough filter screen, is pumped by the material pumping pump and is discharged through an exhaust pipe, the discharged waste gas firstly passes through the exhaust hole and contacts with the dust-removing filter bag on the outer side, fine filtration of the smoke dust is carried out through the dust-removing filter bag, after the waste gas of the coal-fired boiler is filtered, the combined filter bag is detached, the dust-removing filter bag is cleaned, and the power supply device on the upper side is disconnected, the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe falls downwards to the coarse filter screen, and the coarse filter screen is detached for cleaning, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a coal fired boiler is with combination formula electrostatic precipitator filter bag, includes static coarse filter subassembly, fixation nut, combination formula filter bag, takes out material sleeve pipe and seal ring, the downside installation combination formula filter bag of static coarse filter subassembly, fixation nut is installed respectively to the left and right sides of static coarse filter subassembly, the material sleeve pipe is taken out in the internally mounted of combination formula filter bag, take out material sheathed tube inside upper end installation seal ring.
Preferably, the static coarse filtration subassembly includes PMKD, perforating hole, sleeve pipe base, external screwed pipe, embedded frame, electrostatic absorption pipe, power supply interface, inscription base, inscription screwed pipe, filter screen frame and coarse strainer, PMKD's the left and right sides is equipped with the perforating hole respectively, PMKD's upper end center department is equipped with the sleeve pipe base, the upside of sleeve pipe base is equipped with external screwed pipe, the inside of sleeve pipe base is equipped with embedded frame, be equipped with electrostatic absorption pipe on the embedded frame, the side of sleeve pipe base is equipped with power supply interface, PMKD's downside center department is equipped with the inscription base, the downside of inscription base is equipped with the inscription screwed pipe, the internally mounted filter screen frame of inscription base, filter screen frame downside is equipped with the coarse strainer.
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, the mounting opening is arranged at 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 arranged on the left side and the right side of the upper end of the connecting plate respectively.
Preferably, it includes sleeve pipe shell, overcoat, clamping screw, buckle nut, nested interior sleeve pipe, pump card panel, material pump, exhaust pipe connector, exhaust pipe and the hole of airing exhaust to take out the material sleeve pipe, the upper end left and right sides of sleeve pipe shell is equipped with the overcoat respectively, the internally mounted clamping screw of overcoat, the last buckle nut of installing of clamping screw, clamping screw's end is equipped with nested interior sleeve pipe, be equipped with the pump card panel on the center department inner wall of sleeve pipe shell, install the material pump in the pump card panel, the upside installation exhaust pipe connector of material pump, the below installation exhaust pipe of material pump, the half section side of sleeve pipe shell is equipped with the hole of airing exhaust.
Preferably, the internally threaded pipe is nestingly mounted in the nested internal casing.
Preferably, the through screw passes through the through hole, and a fixing nut is mounted on the outside of the through screw.
The invention provides another technical scheme: an implementation method of a combined type electrostatic dust collection filter bag for a coal-fired boiler comprises the following steps:
the method comprises the following steps: connecting an external thread of the electrostatic rough filtering component to a waste gas exhaust port of the coal-fired boiler through a pipe, and connecting external power supply equipment to a power supply interface on the side surface of the sleeve base;
step two: starting a material pumping pump in the material pumping sleeve to improve the flow speed of the waste gas in the whole dust removal filter bag, wherein when the waste gas enters the electrostatic rough filtering component, smoke dust in the waste gas is adsorbed on the inner wall of the electrostatic adsorption pipe through electrostatic action;
step three: after coarse filtration of the coarse filter screen, the residual waste gas is extracted by an extraction pump and is exhausted through an exhaust pipe, the exhausted waste gas firstly passes through an exhaust hole and contacts with the filter bag body on the outer side, and fine filtration of smoke dust is carried out 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, meanwhile, the power supply equipment on the upper side is disconnected, the smoke adsorbed on the inner wall of the electrostatic adsorption pipe falls downwards to the position of 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-removing filter bag for a coal-fired boiler and an implementation method thereof, firstly, an external threaded pipe of an electrostatic rough-filtering component is connected with a waste gas exhaust port of the coal-fired boiler, meanwhile, an external power supply device is connected with a power supply interface on the side surface of a sleeve base, when the waste gas of the coal-fired boiler is treated, a material pumping pump in a material pumping sleeve is started to improve the flow speed of the waste gas in the whole dust-removing filter bag, when the waste gas enters the electrostatic rough-filtering component, smoke dust in the waste gas is adsorbed on the inner wall of an electrostatic adsorption pipe through electrostatic action, the residual waste gas is extracted by the material pumping pump after rough filtering of a rough filter screen and is discharged through an exhaust pipe, the discharged waste gas firstly passes through an exhaust hole and contacts a filter bag body on the outer side, fine filtering of the smoke dust is carried out through the filter bag body, after the waste gas of the coal-fired boiler is filtered, the combined filter bag body is detached and cleaned, meanwhile, the power supply equipment on the upper side is disconnected, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe falls downwards to the coarse filter screen, the coarse filter screen is disassembled for cleaning, the assembling and disassembling difficulty is low, the electrostatic dust collection and the filter bag dust filtration are combined, the filter pressure of the filter bag dust filtration is reduced, and the quality of waste gas and smoke dust filtration is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of an electrostatic coarse filter assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of the combination filter bag of the present invention;
FIG. 5 is a schematic cross-sectional view of the material withdrawal sleeve of the present invention;
fig. 6 is an enlarged schematic structural view of the material pumping sleeve at a position a.
In the figure: 1. an electrostatic coarse filtration assembly; 101. fixing the 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. the base is connected in an inscribed mode; 109. internally connecting a threaded pipe; 1010. a screen frame; 1011. coarse filtration; 2. fixing a nut; 3. a combined filter bag; 31. a connecting plate; 32. an installation opening; 33. a filter bag frame; 34. a filter bag body; 35. a through screw; 4. drawing a material sleeve; 41. a cannula housing; 42. a protective outer sleeve; 43. fixing the screw rod; 44. a snap nut; 45. nesting the inner sleeve; 46. a pump card panel; 47. a material pumping pump; 48. a connector of an exhaust pipe; 49. an exhaust duct; 410. an air exhaust hole; 5. a gasket is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a combined electrostatic dust filter bag for a coal-fired boiler includes an electrostatic rough filtering component 1, fixing nuts 2, a combined filter bag 3, a material pumping sleeve 4 and a sealing washer 5, the combined filter bag 3 is installed at the lower side of the electrostatic rough filtering component 1, the fixing nuts 2 are respectively installed at the left and right sides of the electrostatic rough filtering component 1, the material pumping sleeve 4 is installed inside the combined filter bag 3, and the sealing washer 5 is installed at the upper end inside the material pumping sleeve 4.
Referring to fig. 3, the electrostatic rough filtering assembly 1 includes a fixed 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 base 108, an internal threaded pipe 109, a filter screen frame 1010 and a rough filter screen 1011, the through hole 102 is respectively disposed on the left and right sides of the fixed base plate 101, the sleeve base 103 is disposed at the center of the upper end of the fixed base plate 101, the external threaded pipe 104 is disposed on the upper side of the sleeve base 103, the embedded frame 105 is disposed inside the sleeve base 103, the electrostatic adsorption pipe 106 is disposed on the embedded frame 105, the power supply interface 107 is disposed on the side of the sleeve base 103, the internal base 108 is disposed at the center of the lower side of the fixed base plate 101, the internal threaded pipe 109 is disposed on the lower side of the internal base 108, the filter screen frame 1010 is disposed inside the internal base 108, and the rough filter screen 1011 is disposed on the lower side of the filter screen frame 1010.
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 disposed at the center of the connection plate 31, the filter bag frame 33 is disposed at the lower side of the connection plate 31, the filter bag body 34 is disposed at the lower side of the filter bag frame 33, the through screws 35 are disposed at the left and right sides of the upper end of the connection plate 31, the through screws 35 pass through the through holes 102, and the fixing nuts 2 are mounted at the outer sides of the through screws 35.
Referring to fig. 5-6, the pumping casing 4 includes a casing shell 41, a protective casing 42, a fixing screw 43, a snap nut 44, an embedded inner casing 45, a pump fastening panel 46, a pumping pump 47, a pumping pipe joint 48, an exhaust pipe 49 and an exhaust hole 410, the protective casing 42 is respectively disposed on the left and right sides of the upper end of the casing shell 41, the fixing screw 43 is mounted inside the protective casing 42, the snap nut 44 is mounted on the fixing screw 43, the embedded inner casing 45 is disposed at the tail end of the fixing screw 43, the internally-connected threaded pipe 109 is embedded in the embedded inner casing 45, the pump fastening panel 46 is disposed on the inner wall of the center of the casing shell 41, the pumping pump 47 is mounted in the pump fastening panel 46, the pumping pipe joint 48 is mounted on the upper side of the pumping pump 47, the exhaust pipe 49 is mounted below the pumping pump 47, and the exhaust hole 410 is disposed on the side surface of the lower half section of the casing shell 41.
In order to better show the implementation process of the combined electrostatic dust collection filter bag for the coal-fired boiler, the embodiment provides an implementation method of the combined electrostatic dust collection filter bag for the coal-fired boiler, which includes the following steps:
the method comprises the following steps: connecting an external threaded pipe 104 of the electrostatic rough-filtering component 1 to an exhaust gas outlet of the coal-fired boiler, and connecting an external power supply device 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 removal filter bag, wherein when the waste gas enters the electrostatic rough filtering component 1, the smoke dust in the waste gas is adsorbed on the inner wall of the electrostatic adsorption pipe 106 through electrostatic action;
step three: after coarse filtration of the coarse filter screen 1011, the residual exhaust gas is pumped by the pump 47 and exhausted through the exhaust pipe 49, the exhausted exhaust gas firstly passes through the exhaust hole 410 and contacts the filter bag body 34 at the outer side, and fine filtration of smoke dust is carried out through the filter bag body 34;
step four: after the exhaust gas of the coal-fired boiler is filtered, the combined filter bag 3 is detached, the filter bag body 34 is cleaned, and the power supply equipment on the upper side is disconnected, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe 106 falls down to the coarse filter screen 1011, and the coarse filter screen 1011 is detached for cleaning.
The working principle of the invention is as follows: the invention relates to a combined electrostatic dust-removing filter bag for a coal-fired boiler and an implementation method thereof, firstly, an external threaded pipe 104 of an electrostatic rough-filtering component 1 is connected with a waste gas exhaust port of the coal-fired boiler, meanwhile, an external power supply device is connected with a power supply interface 107 on the side surface of a sleeve pipe base 103, when the waste gas of the coal-fired boiler is treated, a material-pumping pump 47 in a material-pumping sleeve pipe 4 is started, the flow speed of the waste gas in the whole dust-removing filter bag is improved, when the waste gas enters the electrostatic rough-filtering component 1, smoke dust in the waste gas is adsorbed on the inner wall of an electrostatic adsorption pipe 106 through electrostatic action, the residual waste gas is roughly filtered by a rough filter screen 1011, is pumped by the material-pumping pump 47 and is discharged through an exhaust pipe 49, the discharged waste gas firstly passes through an exhaust hole 410 and contacts a filter bag body 34 on the outer side, the fine filtration of the smoke dust is carried out through the filter bag body 34, after the waste gas of the coal-fired boiler is filtered, the combined filter bag 3 is detached, and the filter bag body 34 is cleaned, and at the same time, the power supply equipment on the upper side is cut off, so that the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe 106 falls down to the position of the coarse filter screen 1011, and the coarse filter screen 1011 is detached for cleaning.
In summary, the following steps: the invention relates to a combined electrostatic dust-removing filter bag for a coal-fired boiler and an implementation method thereof, firstly, an external threaded pipe 104 of an electrostatic rough-filtering component 1 is connected with a waste gas exhaust port of the coal-fired boiler, meanwhile, an external power supply device is connected with a power supply interface 107 on the side surface of a sleeve pipe base 103, when the waste gas of the coal-fired boiler is treated, a material-pumping pump 47 in a material-pumping sleeve pipe 4 is started, the flow speed of the waste gas in the whole dust-removing filter bag is improved, when the waste gas enters the electrostatic rough-filtering component 1, smoke dust in the waste gas is adsorbed on the inner wall of an electrostatic adsorption pipe 106 through electrostatic action, the residual waste gas is roughly filtered by a rough filter screen 1011, is pumped by the material-pumping pump 47 and is discharged through an exhaust pipe 49, the discharged waste gas firstly passes through an exhaust hole 410 and contacts a filter bag body 34 on the outer side, the fine filtration of the smoke dust is carried out through the filter bag body 34, after the waste gas of the coal-fired boiler is filtered, the combined filter bag 3 is detached, the filter bag body 34 is cleaned, the power supply equipment on the upper side is disconnected, the smoke dust adsorbed on the inner wall of the electrostatic adsorption tube 106 falls downwards to the position of the coarse filter screen 1011, and the coarse filter screen 1011 is disassembled for cleaning.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a coal fired boiler is with combination formula electrostatic precipitator filter bag, includes static coarse filter subassembly (1), fixation nut (2), combination formula filter bag (3), takes out material sleeve pipe (4) and seal ring (5), its characterized in that: the combined filter bag (3) is installed on the lower side of the electrostatic rough filtering component (1), fixing nuts (2) are installed on the left side and the right side of the electrostatic rough filtering component (1) respectively, a material pumping sleeve (4) is installed inside the combined filter bag (3), and a sealing gasket (5) is installed at the upper end of the inside of the material pumping sleeve (4).
2. The combined electrostatic precipitator filter bag for a coal-fired boiler according to claim 1, wherein: the electrostatic rough filtering component (1) comprises a fixed 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 connection threaded pipe (109), a filter screen frame (1010) and a coarse filter screen (1011), wherein the through hole (102) is arranged on each of the left side and the right side of the fixed base plate (101), the sleeve base (103) is arranged at the upper end center of the fixed base plate (101), the external threaded pipe (104) is arranged on the upper side of the sleeve base (103), the embedded frame (105) is arranged in the sleeve base (103), the electrostatic adsorption pipe (106) is arranged on the embedded frame (105), the power supply interface (107) is arranged on the side face of the sleeve base (103), the internal connection base (108) is arranged at the lower side center of the fixed base plate (101), the downside of inscription base (108) is equipped with inscription screw pipe (109), the internally mounted filter screen frame (1010) of inscription base (108), filter screen frame (1010) downside is equipped with coarse strainer (1011).
3. The combined electrostatic precipitator filter bag for a coal-fired boiler according to claim 2, wherein: the combined type filter bag (3) comprises a connecting plate (31), an installation opening (32), a filter bag frame (33), a filter bag body (34) and a through screw (35), the center of the connecting plate (31) is provided with the installation opening (32), the lower side of the connecting plate (31) is provided with the filter bag frame (33), the lower side of the filter bag frame (33) is provided with the filter bag body (34), and the left side and the right side of the upper end of the connecting plate (31) are respectively provided with the through screw (35).
4. The combined electrostatic precipitator filter bag for a coal-fired boiler according to claim 3, wherein: the pumping casing (4) comprises a casing shell (41), a protective outer sleeve (42), a fixing screw rod (43), a buckle nut (44), an embedded inner sleeve (45), a pump clamp panel (46), a pumping pump (47), a pumping pipe joint (48), an exhaust pipe (49) and an exhaust hole (410), the left side and the right side of the upper end of the casing shell (41) are respectively provided with the protective outer sleeve (42), the fixing screw rod (43) is installed inside the protective outer sleeve (42), the buckle nut (44) is installed on the fixing screw rod (43), the embedded inner sleeve (45) is arranged at the tail end of the fixing screw rod (43), the pump clamp panel (46) is arranged on the inner wall of the center of the casing shell (41), the pumping pump (47) is installed inside the pump clamp panel (46), the pumping pipe joint (48) is installed on the upper side of the pumping pump (47), the exhaust pipe (49) is installed below the pumping pump (47), and an exhaust hole (410) is formed in the side surface of the lower half section of the casing (41).
5. The combined electrostatic precipitator filter bag for a coal-fired boiler according to claim 4, wherein: the internally threaded pipe (109) is nested in the nested inner sleeve (45).
6. The combined electrostatic precipitator filter bag for a coal-fired boiler according to claim 3, wherein: the through screw (35) penetrates through the through hole (102), and a fixing nut (2) is mounted on the outer side of the through screw (35).
7. A method for implementing the combined electrostatic precipitator filter bag for the coal-fired boiler according to any one of claims 1 to 6, comprising the steps of:
s1: connecting an external threaded pipe (104) of the electrostatic rough-filtering component (1) to an exhaust gas exhaust port of a coal-fired boiler, and connecting external power supply equipment to a power supply interface (107) on the side surface of a sleeve base (103);
s2: 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 removal filter bag, wherein when the waste gas enters the electrostatic rough filtering assembly (1), the smoke dust in the waste gas is adsorbed on the inner wall of the electrostatic adsorption pipe (106) through electrostatic action;
s3: after coarse filtration of a coarse filter screen (1011), the residual waste gas is extracted by an extraction pump (47) and is exhausted through an exhaust pipe (49), the exhausted waste gas firstly passes through an exhaust hole (410) and contacts with a filter bag body (34) at the outer side, and fine filtration of smoke dust is carried out through the filter bag body (34);
s4: after the waste gas of the coal-fired boiler is filtered, the combined filter bag (3) is detached, the filter bag body (34) is cleaned, meanwhile, the power supply equipment on the upper side is disconnected, the smoke dust adsorbed on the inner wall of the electrostatic adsorption pipe (106) falls down to the position of the coarse filter screen (1011), and the coarse filter screen (1011) is detached for cleaning.
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| 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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| 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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| CN114377854B CN114377854B (en) | 2024-02-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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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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| 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 |
| CN111957119A (en) * | 2020-08-12 | 2020-11-20 | 江苏宏光布业有限公司 | Dust removal filter bag convenient to deashing just has metal protection filter screen |
| CN112337257A (en) * | 2020-11-12 | 2021-02-09 | 苏州工业园区职业技术学院 | Combined type efficient air purification and dust removal mechanism |
| CN214050794U (en) * | 2020-11-28 | 2021-08-27 | 宋著磊 | Dust collector of housing construction |
| 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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| 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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