CN108371866B - Small-size coal fired boiler flue gas dust collector - Google Patents
Small-size coal fired boiler flue gas dust collector Download PDFInfo
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- CN108371866B CN108371866B CN201810428334.7A CN201810428334A CN108371866B CN 108371866 B CN108371866 B CN 108371866B CN 201810428334 A CN201810428334 A CN 201810428334A CN 108371866 B CN108371866 B CN 108371866B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0415—Beds in cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention provides a flue gas dust removal device for a small coal-fired boiler, which comprises a raw flue gas pipe, a separation cylinder, a rotational flow plate blade, a smoke purification pipe, a dust outlet pipe, a gate valve, a rotational flow plate supporting plate, a rotational flow blind plate, a rotational flow plate cover cylinder, a rotational flow plate main body, a flue gas odor removal cleaning pipe structure, a flue gas purification adsorption ball structure and a clean flue gas sampling pipe structure, wherein the raw flue gas pipe is in threaded connection with the left end inlet of the flue gas purification adsorption ball structure. The arrangement of the raw flue gas pipe, the separating cylinder, the swirl plate blades, the flue gas purifying pipe, the dust outlet pipe, the gate valve, the swirl plate supporting plate, the swirl blind plate, the swirl plate cover cylinder and the swirl plate main body is favorable for quick assembly and disassembly, and the cyclone plate cover cylinder is simple in structure and convenient to operate; the cleaning pipe main body, the baffle, the fretwork lower plate removes the flavor and adsorbs the core, and the setting of fretwork upper plate and clearance door is favorable to impurity and peculiar smell in the depth filtration flue gas to can be convenient for clear up.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a flue gas dust removal device for a small coal-fired boiler.
Background
For small coal-fired boilers below 20t/h, a bag-type dust remover or an electric dust remover is generally adopted for flue gas dust removal. The bag-type dust collector and the electric dust collector have higher investment, higher energy consumption and higher maintenance cost.
The existing coal dust removal devices are roughly divided into two types, namely dry dust removal and wet dust removal. The dry method mainly comprises cyclone dust removal, electrostatic dust removal and bag type dust removal. The wet method mainly comprises a water film dust remover, a spray tower, a Venturi scrubber, a rotational flow plate tower and the like. The devices are complex in design structure and high in construction cost, and are only suitable for large boilers, but small boilers with the weight of less than 2 tons are difficult to adopt the scheme.
The invention discloses a dust removal device for a small coal-fired boiler, and the dust removal device is disclosed as CN 104740952A. The device is built at a dust exhaust port of a boiler, is made of bricks and reinforced concrete and is divided into two parts, namely an upper chamber, an upper chamber dust collecting chamber, an upper chamber inclined body I, an upper chamber inclined body II and a chimney; the second chamber comprises a smoke inlet, a water tank, a first dust exhaust port, a second dust exhaust port, a lower chamber inclined body, a first lower chamber inclined plate, a second lower chamber inclined plate and an automatic water replenishing port. But the existing small-sized coal-fired boiler flue gas dust removal device also has the problems of serious resource waste, complex structure, inconvenient operation and no flue gas sampling structure.
Therefore, the invention is very necessary to invent the smoke dust removal device of the small coal-fired boiler.
Disclosure of Invention
In order to solve the technical problems, the invention provides a small coal-fired boiler flue gas dust removal device, which aims to solve the problems of serious resource waste, complicated structure, inconvenience in operation and no flue gas sampling structure of the existing small coal-fired boiler flue gas dust removal device. A small-sized coal-fired boiler flue gas dust removal device comprises a raw flue gas pipe, a separation cylinder, a rotational flow plate blade, a clean flue gas pipe, a dust outlet pipe, a gate valve, a rotational flow plate supporting plate, a rotational flow blind plate, a rotational flow plate cover cylinder, a rotational flow plate main body, a flue gas odor removal cleaning pipe structure, a flue gas purification adsorption ball structure and a clean flue gas sampling pipe structure, wherein the raw flue gas pipe is in threaded connection with the left end inlet of the flue gas purification adsorption ball structure; the smoke purifying adsorption ball structure is arranged in the middle of the lower part of the inner side of the separation cylinder; the smoke purifying and adsorbing ball structure is in threaded connection with the lower end of the smoke deodorizing and cleaning pipe structure; the smoke smell removing and cleaning pipe structure is longitudinally and spirally connected to the lower end of the rotational flow plate main body; the cyclone plate main body is arranged in the middle of the upper part of the inner side of the separating cylinder through a cyclone plate support plate bolt; the rotational flow plate cover cylinder is covered on the outer wall of the rotational flow plate main body; one transverse end of the rotational flow blind plate is connected to the upper left wall of the rotational flow plate cover barrel through a rotational flow plate blade screw, and the other transverse end of the rotational flow blind plate is connected to the upper right wall of the rotational flow plate cover barrel through a rotational flow plate blade screw; the clean flue gas pipe is in threaded connection with the upper end of the separation cylinder; the dust outlet pipe is in threaded connection with the lower end of the separation cylinder; the gate valve is in threaded connection with the outlet at the lower end of the dust outlet pipe; the clean flue gas sampling pipe structure is arranged at the upper right part of the separation cylinder; the smoke smell removal cleaning pipe structure comprises a cleaning pipe main body, a baffle plate, a hollow lower base plate, a smell removal adsorption core, a hollow upper base plate, a cleaning door, a U-shaped hanging frame, adsorption side blocks, an iron pin and a split pin, wherein the baffle plate is respectively installed on the left wall and the right wall of the lower part of the inner side of the cleaning pipe main body through transverse bolts; the hollow lower bottom plate is transversely arranged at the upper part between the baffle plates; one end of the odor removing adsorption core is in screwed connection with the middle position of the upper surface of the hollowed lower bottom plate, and the other end of the odor removing adsorption core is in screwed connection with the middle position of the lower surface of the hollowed upper bottom plate; the cleaning door is connected to the outlet at the middle position in the right part of the inner side of the cleaning pipe main body through a longitudinal screw; the U-shaped hanging frames are respectively bolted at the left and right sides of the upper part of the hollow lower bottom plate and the left and right sides of the lower part of the hollow upper bottom plate; the adsorption side block is longitudinally inserted between the U-shaped hanging rack and the U-shaped hanging rack; the iron pins penetrate through the left wall and the right wall of the inner side of the U-shaped hanging rack and penetrate through the inner sides of the adsorption side blocks; the split pin is longitudinally inserted into the pin hole at the outer side of the iron pin.
Preferably, a gap of four millimeters to six millimeters is arranged between the cyclone plate cover cylinder and the separating cylinder.
Preferably, the separating cylinder is a common carbon steel cylinder.
Preferably, the raw flue gas pipe is a common carbon steel pipe.
Preferably, the main body of the rotational flow plate is a common carbon steel plate.
Preferably, four supporting plates of the rotational flow plate are arranged; the included angle between the cyclone plate supporting plates is set to be eighty-five degrees to ninety degrees.
Preferably, one end of the cleaning pipe main body is communicated with the swirl plate main body; the cleaning pipe body is made of a common carbon steel pipe.
Preferably, the odor removal adsorption core is a carbon fiber adsorption core.
Preferably, the adsorption side block is a sponge block with an active carbon block inside; the adsorption side blocks are provided with two.
Preferably, the flue gas purification adsorption ball structure comprises a purification conduit, an air guide plate, an adsorption ball main body and a cooling plate, wherein the air guide plate is connected to the right wall of the inner side of the purification conduit through a screw; the adsorption ball main body is sequentially connected to the left wall of the air guide plate through screws from top to bottom; the cooling plate is connected to the outer wall of the right side of the purification conduit through screws.
Preferably, the other end of the cleaning pipe main body is communicated with the raw flue gas pipe through a purification conduit.
Preferably, the purification conduit penetrates through the left wall of the separation cylinder; and a high-temperature-resistant sealing rubber layer is arranged at the joint of the purification conduit and the separation cylinder.
Preferably, a plurality of the adsorption ball main bodies are arranged; the distance between the adsorption ball main bodies is set to be five millimeters to eight millimeters; the adsorption ball body specifically adopts an activated carbon ball; the cooling plate is an arc aluminum plate.
Preferably, the clean flue gas sampling pipe structure comprises a impurity prevention net, a sampling guide pipe, a smoking blade, a smoking motor, a mounting plate and a flue gas guide box, wherein the impurity prevention net is connected to the left end of the inner side of the sampling guide pipe through a screw; the sampling guide pipe is in threaded connection with the inlet of the left end of the inner side of the smoke guide box; the smoking blade is sleeved on an output shaft of the smoking motor; the smoking motor is arranged in the middle of the right part of the inner side of the smoke guide box through a mounting plate bolt.
Preferably, the anti-impurity net body adopts a circular stainless steel filter net.
Preferably, the smoking motor and the mounting plate are connected through bolts.
Preferably, the sampling conduit is communicated with the flue gas guide box.
Preferably, the flue gas guide box comprises a mechanical valve, a flue gas outlet pipe, a sampling plug cap and a sampling tank, and the mechanical valve is arranged in the middle of the front surface of the flue gas outlet pipe; the flue gas exit tube transversely run through sample stopper cap and sample jar intercommunication setting.
Preferably, the smoke outlet pipe and the sampling plug cap are in threaded connection.
Preferably, the sampling plug cap and the sampling tank are in threaded connection.
Preferably, the joint of the smoke outlet pipe and the sampling plug cap is provided with a high-temperature-resistant sealing rubber layer.
Preferably, the flue gas outlet pipe is respectively and transversely screwed at the upper part and the lower part of the right side of the flue gas guide box.
Preferably, two sampling tanks are arranged; the sampling tank is a stainless steel tank.
Preferably, one end of the rotational flow plate supporting plate is connected with the rotational flow plate blades through bolts, and the other end of the rotational flow plate supporting plate is connected with the separating cylinder through bolts.
Preferably, the sampling conduit and the separating cylinder are in threaded connection; the sampling conduit is communicated with the separating cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the arrangement of the raw flue gas pipe, the separating cylinder, the swirl plate blades, the flue gas purifying pipe, the dust outlet pipe, the gate valve, the swirl plate supporting plate, the swirl blind plate, the swirl plate cover cylinder and the swirl plate main body is favorable for quick assembly and disassembly, and the cyclone separator is simple in structure and convenient to operate.
2. According to the invention, the cleaning pipe main body, the baffle, the hollowed-out lower base plate, the odor removal adsorption core, the hollowed-out upper base plate and the cleaning door are arranged, so that impurities and peculiar smell in smoke can be deeply filtered, and the cleaning can be conveniently carried out.
3. According to the invention, the U-shaped hanging rack, the adsorption side block, the iron pin and the split pin are arranged, so that the adsorption side block can be conveniently detached and installed, impurities and peculiar smell in smoke can be deeply adsorbed, and the treatment degree is ensured.
4. In the invention, the purification conduit, the gas guide plate and the adsorption ball main body are arranged, thereby being beneficial to primary adsorption and filtration of the flue gas.
5. In the invention, the arrangement of the impurity preventing net, the sampling guide pipe, the smoking blade, the smoking motor, the mounting plate and the smoke guide box is beneficial to increasing the air inlet rate.
6. In the invention, the arrangement of the mechanical valve, the flue gas outlet pipe, the sampling plug cap and the sampling tank is beneficial to sampling purified flue gas in time and determining whether the treatment reaches the emission standard.
7. According to the invention, the cyclone plate main body is arranged, so that dust collection is facilitated, washing by water is not needed, and no waste water is generated.
8. In the invention, a gap of four millimeters to six millimeters is formed between the cover cylinder of the rotational flow plate and the separating cylinder, so that dust can fall off.
9. According to the invention, the arrangement of the cooling plate is beneficial to cooling the purification conduit, so that the danger caused by overhigh temperature can be avoided.
10. In the invention, the arrangement of the dust outlet pipe and the gate valve is beneficial to discharging dust in time.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
FIG. 3 is a schematic structural view of the smoke odor elimination cleaning tube structure of the present invention.
FIG. 4 is a schematic structural diagram of the structure of the flue gas purifying adsorption ball of the present invention.
FIG. 5 is a schematic diagram of the structure of the clean flue gas sampling tube of the present invention.
In the figure:
1. a raw flue gas pipe; 2. a separation cylinder; 3. a swirl plate vane; 4. purifying the smoke pipe; 5. a dust outlet pipe; 6. a gate valve; 7. a whirl plate support plate; 8. a swirling flow blind plate; 9. a swirl plate housing; 10. a swirl plate body; 11. a smoke smell removal and cleaning pipe structure; 111. cleaning the pipe main body; 112. a baffle plate; 113. hollowing out the lower bottom plate; 114. a deodorizing adsorption core; 115. the upper bottom plate is hollowed out; 116. cleaning the door; 117. a U-shaped hanger; 118. adsorbing the side block; 119. an iron pin; 1110. a cotter pin; 12. a flue gas purification adsorption ball structure; 121. a purge conduit; 122. a gas guide plate; 123. an adsorption ball body; 124. a cooling plate; 13. a clean flue gas sampling pipe structure; 131. a miscellaneous net; 132. a sampling pipe; 133. smoking tobacco leaves; 134. a smoking motor; 135. mounting a plate; 136. a flue gas guide box; 1361. a mechanical valve; 1362. a flue gas outlet pipe; 1363. a sampling plug cap; 1364. and (5) sampling the tank.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 5
The invention provides a flue gas dust removal device for a small coal-fired boiler, which comprises a raw flue gas pipe 1, a separation barrel 2, a rotational flow plate blade 3, a smoke purification pipe 4, a dust outlet pipe 5, a gate valve 6, a rotational flow plate supporting plate 7, a rotational flow blind plate 8, a rotational flow plate cover barrel 9, a rotational flow plate main body 10, a flue gas odor removal cleaning pipe structure 11, a flue gas purification adsorption ball structure 12 and a clean flue gas sampling pipe structure 13, wherein the raw flue gas pipe 1 is in threaded connection with the left end inlet of the flue gas purification adsorption ball structure 12; the flue gas purification adsorption ball structure 12 is arranged in the middle of the lower part of the inner side of the separation cylinder 2; the flue gas purification adsorption ball structure 12 is in threaded connection with the lower end of the flue gas odor removal cleaning pipe structure 11; the smoke smell removing and cleaning pipe structure 11 is longitudinally and threadedly connected to the lower end of the rotational flow plate main body 10; the cyclone plate main body 10 is arranged at the middle position of the upper part of the inner side of the separating cylinder 2 through a cyclone plate supporting plate 7 bolt; the rotational flow plate cover cylinder 9 is covered on the outer wall of the rotational flow plate main body 10; one transverse end of the rotational flow blind plate 8 is connected to the upper left wall of the rotational flow plate cover barrel 9 through the rotational flow plate blade 3 by screws, and the other transverse end of the rotational flow blind plate is connected to the upper right wall of the rotational flow plate cover barrel 9 through the rotational flow plate blade 3 by screws; the clean flue gas pipe 4 is in threaded connection with the upper end of the separation cylinder 2; the dust outlet pipe 5 is in threaded connection with the lower end of the separating cylinder 2; the gate valve 6 is in threaded connection with the outlet at the lower end of the dust outlet pipe 5; the purified flue gas sampling pipe structure 13 is arranged at the upper right part of the separation cylinder 2; the smoke smell removal cleaning pipe structure 11 comprises a cleaning pipe main body 111, a baffle plate 112, a hollow lower bottom plate 113, a smell removal adsorption core 114, a hollow upper bottom plate 115, a cleaning door 116, a U-shaped hanging rack 117, an adsorption side block 118, an iron pin 119 and a split pin 1110, wherein the baffle plate 112 is respectively installed on the left wall and the right wall of the lower part of the inner side of the cleaning pipe main body 111 through transverse bolts; the hollow lower bottom plate 113 is transversely arranged at the upper position between the baffle plate 112 and the baffle plate 112; one end of the odor removal adsorption core 114 is in screw connection with the middle position of the upper surface of the hollow lower bottom plate 113, and the other end of the odor removal adsorption core is in screw connection with the middle position of the lower surface of the hollow upper bottom plate 115; the cleaning door 116 is connected to the outlet at the middle position in the right part of the inner side of the cleaning pipe main body 111 through a longitudinal screw; the U-shaped hanging rack 117 is respectively bolted on the left and right sides of the upper part of the hollow lower bottom plate 113 and the left and right sides of the lower part of the hollow upper bottom plate 115; the adsorption side block 118 is longitudinally inserted between the U-shaped hanging rack 117 and the U-shaped hanging rack 117; the iron pins 119 penetrate through the left wall and the right wall of the U-shaped hanging rack 117 and penetrate through the inner side of the adsorption side block 118; the cotter 1110 is inserted into the outer pin hole of the iron pin 119 in the longitudinal direction.
In the above embodiment, specifically, a gap of four millimeters to six millimeters is provided between the swirl plate cover cylinder 9 and the separation cylinder 2.
In the above embodiment, specifically, the separation cylinder 2 specifically adopts a common carbon steel cylinder.
In the above embodiment, specifically, the raw flue gas pipe 1 specifically uses a common carbon steel pipe.
In the above embodiment, specifically, the rotational flow plate main body 10 specifically adopts a common carbon steel plate.
In the above embodiment, specifically, four swirl plate support plates 7 are provided; the included angle between the cyclone plate supporting plates 7 is set to be eighty-five degrees to ninety degrees.
In the above embodiment, specifically, one end of the cleaning tube main body 111 is communicated with the swirl plate main body 10; the cleaning pipe main body 111 specifically adopts a common carbon steel pipe.
In the above embodiment, specifically, the odor removing adsorption core 114 specifically adopts a carbon fiber adsorption core.
In the above embodiment, specifically, the adsorption side block 118 specifically adopts a sponge block with an active carbon block inside; two adsorption side blocks 118 are arranged.
In the above embodiment, specifically, the flue gas purifying adsorption ball structure 12 includes a purifying duct 121, an air guide plate 122, an adsorption ball main body 123 and a cooling plate 124, and the air guide plate 122 is screwed on the inner right wall of the purifying duct 121; the main body 123 of the adsorption ball is sequentially screwed on the left wall of the air guide plate 122 from top to bottom; the cooling plate 124 is screwed to the right outer wall of the purge guide 121.
In the above embodiment, specifically, the other end of the cleaning tube main body 111 is communicated with the raw flue gas tube 1 through the cleaning duct 121.
In the above embodiment, specifically, the purge conduit 121 penetrates through the left wall of the separation cylinder 2; the connection part of the purification conduit 121 and the separation cylinder 2 is provided with a high temperature resistant sealing rubber layer.
In the above embodiment, specifically, a plurality of the adsorption ball bodies 123 are provided; the distance between the adsorption ball bodies 123 is set to be five millimeters to eight millimeters; the adsorption ball body 123 specifically adopts an activated carbon ball; the cooling plate 124 is specifically an arc-shaped aluminum plate.
In the above embodiment, specifically, the clean flue gas sampling pipe structure 13 includes the impurity preventing net 131, the sampling pipe 132, the smoking blades 133, the smoking motor 134, the mounting plate 135 and the flue gas guide box 136, and the impurity preventing net 131 is screwed to the left end of the inner side of the sampling pipe 132; the sampling pipe 132 is connected to the inlet of the left end of the inner side of the flue gas guide box 136 through screw threads; the smoking blade 133 is sleeved on an output shaft of the smoking motor 134; the smoking motor 134 is mounted at the middle position of the right part of the inner side of the smoke guide box 136 through a mounting plate 135 bolt.
In the above embodiment, specifically, the impurity preventing net 131 specifically adopts a circular stainless steel filter net.
In the above embodiment, specifically, the smoking motor 134 and the mounting plate 135 are connected by bolts.
In the above embodiment, specifically, the sampling pipe 132 and the flue gas guide box 136 are arranged in communication.
In the above embodiment, specifically, the smoke guide box 136 includes a mechanical valve 1361, a smoke outlet pipe 1362, a sampling plug cap 1363 and a sampling tank 1364, and the mechanical valve 1361 is disposed in the middle of the front surface of the smoke outlet pipe 1362; the flue gas outlet pipe 1362 transversely penetrates through the sampling plug cap 1363 and the sampling tank 1364 to be communicated.
In the above embodiment, specifically, the fume outlet pipe 1362 and the sampling plug cap 1363 are disposed in a threaded connection.
In the above embodiments, specifically, the sampling plug cap 1363 and the sampling tank 1364 are threadedly connected.
In the above embodiments, specifically, a high temperature resistant sealing rubber layer is disposed at a joint of the flue gas outlet pipe 1362 and the sampling plug cap 1363.
In the above embodiment, specifically, the flue gas outlet pipe 1362 is transversely screwed to the upper and lower positions on the right side of the flue gas guide box 136.
In the above embodiment, specifically, two sampling tanks 1364 are provided; the sampling tank 1364 is specifically a stainless steel tank.
In the above embodiment, specifically, one end of the rotational flow plate supporting plate 7 is bolted to the rotational flow plate blades 3, and the other end is bolted to the separating cylinder 2.
In the above embodiment, specifically, the sampling conduit 132 is connected with the separation cylinder 2 by a screw; the sampling pipe 132 is connected to the separation cylinder 2.
Principle of operation
In the invention, the raw flue gas generated by the coal-fired boiler carries a large amount of dust, and the raw flue gas passes through a flue gas purification adsorption ball structure 12 (the raw flue gas is subjected to odor adsorption and odor removal work through an adsorption ball main body 123, and the raw flue gas can be cooled through a cooling plate 124 to ensure the treatment effect) and a flue gas odor removal cleaning pipe structure 11 (the raw flue gas is subjected to deep adsorption work through an odor removal adsorption core 114, impurities in the raw flue gas can be timely adsorbed through an adsorption side block 118, and peculiar smell in the raw flue gas can be treated), so that the raw flue gas is subjected to deep filtration and odor adsorption, then the raw flue gas enters a rotational flow plate main body 10, enters a separation cylinder 2 along a gap between rotational flow plate blades 3, the raw flue gas is rotated and lifted up under the action of the rotational flow plate blades 3 and is thrown to the inner wall of the separation cylinder 2, the dust is separated from air flow under the action of inertia force, the dust slides down to a dust outlet pipe 5 of the separation cylinder 2, when ash needs to be discharged, the gate valve 6 at the lower part of the ash discharge pipe 5 is opened to discharge the ash, and when the ash does not need to be discharged, the gate valve 6 is closed; when the smoke is treated, purified and sampled, a switch of the smoking motor 134 is turned on, the smoking leaves 133 are driven to rotate at a high speed by the smoking motor 134, the smoke is sucked into the smoke guide box 136 through the anti-impurity net 131 and the sampling guide pipe 132, the mechanical valve 1361 is turned on, the smoke is sucked into the sampling tank 1364 through the smoke outlet pipe 1362 and the sampling plug cap 1363, and finally the mechanical valve 1361 is turned off, so that the sampling tank 1364 can be taken down together with the smoke outlet pipe 1362, the sample inspection work can be carried out on the smoke in the sampling tank 1364, and the treatment effect is ensured.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (8)
1. A small-sized coal-fired boiler flue gas dust removal device is characterized by comprising a raw flue gas pipe (1), a separating cylinder (2), a swirl plate blade (3), a clean flue gas pipe (4), a dust outlet pipe (5), a gate valve (6), a swirl plate supporting plate (7), a swirl blind plate (8), a swirl plate cover cylinder (9), a swirl plate main body (10), a flue gas odor removal and cleaning pipe structure (11), a flue gas purification and adsorption ball structure (12) and a clean flue gas sampling pipe structure (13), wherein the raw flue gas pipe (1) is in threaded connection with the left end inlet of the flue gas purification and adsorption ball structure (12); the flue gas purification adsorption ball structure (12) is arranged in the middle of the lower part of the inner side of the separation cylinder (2); the smoke purifying and adsorbing ball structure (12) is in threaded connection with the lower end of the smoke deodorizing and cleaning pipe structure (11); the smoke smell removing and cleaning pipe structure (11) is longitudinally and threadedly connected to the lower end of the rotational flow plate main body (10); the cyclone plate main body (10) is arranged in the middle of the upper part of the inner side of the separating cylinder (2) through a cyclone plate support plate (7) by bolts; the rotational flow plate cover cylinder (9) is covered on the outer wall of the rotational flow plate main body (10); one transverse end of the rotational flow blind plate (8) is connected to the upper left wall of the rotational flow plate cover cylinder (9) through a rotational flow plate blade (3) by a screw, and the other transverse end of the rotational flow blind plate is connected to the upper right wall of the rotational flow plate cover cylinder (9) through the rotational flow plate blade (3) by a screw; the purified flue gas pipe (4) is in threaded connection with the upper end of the separating cylinder (2); the dust outlet pipe (5) is in threaded connection with the lower end of the separating cylinder (2); the gate valve (6) is in threaded connection with the outlet at the lower end of the dust outlet pipe (5); the clean flue gas sampling pipe structure (13) is arranged at the right upper part of the separation cylinder (2); the smoke smell removal cleaning pipe structure (11) comprises a cleaning pipe main body (111), a baffle plate (112), a hollow lower base plate (113), a smell removal adsorption core (114), a hollow upper base plate (115), a cleaning door (116), a U-shaped hanging rack (117), an adsorption side block (118), an iron pin (119) and a split pin (1110), wherein the baffle plate (112) is respectively installed on the left wall and the right wall of the lower part of the inner side of the cleaning pipe main body (111) through transverse bolts; the hollow lower bottom plate (113) is transversely arranged at the upper part between the baffle plate (112) and the baffle plate (112); one end of the odor removing adsorption core (114) is in screw connection with the middle position of the upper surface of the hollow lower bottom plate (113), and the other end of the odor removing adsorption core is in screw connection with the middle position of the lower surface of the hollow upper bottom plate (115); the cleaning door (116) is longitudinally screwed at the outlet of the middle position in the right part of the inner side of the cleaning pipe main body (111); the U-shaped hanging rack (117) is respectively bolted at the left and right sides of the upper part of the hollow lower bottom plate (113) and the left and right sides of the lower part of the hollow upper bottom plate (115); the adsorption side block (118) is longitudinally inserted between the U-shaped hanging rack (117) and the U-shaped hanging rack (117); the iron pins (119) penetrate through the left wall and the right wall of the inner side of the U-shaped hanging rack (117) and penetrate through the inner side of the adsorption side block (118); the split pin (1110) is longitudinally inserted into the pin hole at the outer side of the iron pin (119); the flue gas purification adsorption ball structure (12) comprises a purification conduit (121), an air guide plate (122), an adsorption ball main body (123) and a cooling plate (124), wherein the air guide plate (122) is in screwed connection with the right wall of the inner side of the purification conduit (121); the adsorption ball main body (123) is sequentially connected to the left wall of the air guide plate (122) from top to bottom through screws; the cooling plate (124) is connected to the outer wall of the right side of the purification conduit (121) through screws; the clean flue gas sampling pipe structure (13) comprises a miscellaneous net (131), a sampling guide pipe (132), a smoking leaf (133), a smoking motor (134), a mounting plate (135) and a flue gas guide box (136), wherein the miscellaneous net (131) is connected to the left end of the inner side of the sampling guide pipe (132) through screws; the sampling conduit (132) is in threaded connection with the inlet of the left end of the inner side of the smoke guide box (136); the tobacco smoking piece (133) is sleeved on an output shaft of the smoking motor (134); the smoking motor (134) is installed in the middle of the right part of the inner side of the smoke guide box (136) through a mounting plate (135) by bolts.
2. The small-sized coal-fired boiler flue gas dust removal device according to claim 1, wherein the flue gas guide box (136) comprises a mechanical valve (1361), a flue gas outlet pipe (1362), a sampling plug cap (1363) and a sampling tank (1364), and the mechanical valve (1361) is arranged in the middle position of the front surface of the flue gas outlet pipe (1362); the flue gas exit tube (1362) transversely penetrates through the sampling plug cap (1363) and the sampling tank (1364) to be communicated.
3. A small coal-fired boiler flue gas dust removal device as defined in claim 1, wherein a gap of four mm to six mm is provided between the cyclone plate cover cylinder (9) and the separation cylinder (2).
4. The small coal-fired boiler flue gas dust removal device according to claim 1, wherein four swirl plate support plates (7) are provided; the included angle between the cyclone plate supporting plates (7) is set to be eighty-five degrees to ninety degrees.
5. The small coal-fired boiler flue gas dust removal device of claim 1, wherein the adsorption side block (118) is a sponge block with an active carbon block inside; the number of the adsorption side blocks (118) is two.
6. The small coal-fired boiler flue gas dust removal device according to claim 1, wherein a plurality of the adsorption ball bodies (123) are provided; the distance between the adsorption ball main bodies (123) is set to be five millimeters to eight millimeters; the adsorption ball body (123) is an activated carbon ball; the cooling plate (124) is an arc-shaped aluminum plate.
7. The small coal-fired boiler flue gas dust removal device according to claim 1, wherein the sampling tanks (1364) are provided in two; the sampling tank (1364) is a stainless steel tank.
8. The small coal-fired boiler flue gas dust removal device of claim 1, wherein the separation cylinder (2) is a common carbon steel cylinder; the raw flue gas pipe (1) is a common carbon steel pipe; the swirl plate main body (10) is specifically made of a common carbon steel plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810428334.7A CN108371866B (en) | 2018-05-07 | 2018-05-07 | Small-size coal fired boiler flue gas dust collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810428334.7A CN108371866B (en) | 2018-05-07 | 2018-05-07 | Small-size coal fired boiler flue gas dust collector |
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| Publication Number | Publication Date |
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| CN108371866A CN108371866A (en) | 2018-08-07 |
| CN108371866B true CN108371866B (en) | 2020-07-24 |
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| CN110940561A (en) * | 2019-11-19 | 2020-03-31 | 华电电力科学研究院有限公司 | Power station boiler fly ash sampling device and using method thereof |
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|---|---|---|---|---|
| CN2774641Y (en) * | 2005-03-31 | 2006-04-26 | 钟礼晖 | Spiral plate dust remover |
| CN104307293A (en) * | 2014-11-07 | 2015-01-28 | 广西南宁华国环境科技有限公司 | Combined water-curtain dust-removing device |
| CN105251303A (en) * | 2015-10-26 | 2016-01-20 | 浙江巨宏机械科技有限公司 | Counter-rotating wet type dust collector |
| CN107051003A (en) * | 2017-02-27 | 2017-08-18 | 江苏富滤盛滤清器有限公司 | A kind of three proofings filter core |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774641Y (en) * | 2005-03-31 | 2006-04-26 | 钟礼晖 | Spiral plate dust remover |
| CN104307293A (en) * | 2014-11-07 | 2015-01-28 | 广西南宁华国环境科技有限公司 | Combined water-curtain dust-removing device |
| CN105251303A (en) * | 2015-10-26 | 2016-01-20 | 浙江巨宏机械科技有限公司 | Counter-rotating wet type dust collector |
| CN107051003A (en) * | 2017-02-27 | 2017-08-18 | 江苏富滤盛滤清器有限公司 | A kind of three proofings filter core |
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| CN108371866A (en) | 2018-08-07 |
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