CN220136146U - Cleaning structure in air preheater - Google Patents
Cleaning structure in air preheater Download PDFInfo
- Publication number
- CN220136146U CN220136146U CN202321441884.5U CN202321441884U CN220136146U CN 220136146 U CN220136146 U CN 220136146U CN 202321441884 U CN202321441884 U CN 202321441884U CN 220136146 U CN220136146 U CN 220136146U
- Authority
- CN
- China
- Prior art keywords
- air preheater
- rotor shell
- cleaning
- rotor
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims description 14
- 241000220317 Rosa Species 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 claims 4
- 239000002245 particle Substances 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract description 3
- 239000004071 soot Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 28
- 238000001914 filtration Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
Cleaning structure in the air preheater. The particles are gathered together, the friction force is also larger, the soot blowing is simple, the cleaning can not be effectively carried out, the periodic manual cleaning is still needed, and the labor intensity of the manual cleaning is larger. The cleaning device comprises a rotor shell, wherein a cleaning structure is arranged in the rotor shell, two spray heads are fixedly arranged on the inner top wall of the rotor shell, a device box is fixedly arranged on the left side of the rotor shell, a first conveying pump is fixedly arranged in the device box, and a cleaning liquid box is fixedly arranged in the device box. The utility model is used for cleaning the interior of the air preheater.
Description
Technical Field
The utility model relates to the technical field of air pre-heaters, in particular to an internal cleaning structure of an air pre-heater.
Background
The flue at the tail of the boiler is usually provided with an energy-saving device, namely an air preheater, which has the function of helping to improve the heat exchange performance of the device and secondarily utilizing energy to reduce the consumption of energy.
According to the search, according to the improved rotary air preheater disclosed in the utility model patent No. CN217540804U, although dust and suspended matters can be removed through a soot blowing assembly, the cleaning effect is not thorough, and the dust and suspended matters entering the air preheater are easily flocculated and adhered to the inner wall of the shell of the air preheater and the surface of the rotor structure, so that the dust and suspended matters are easily adhered to the inner wall of the shell of the air preheater, the particles are gathered together, the friction force is large, the soot blowing is simple, the cleaning cannot be effectively performed, periodic manual cleaning is still required, and the labor intensity of manual cleaning is high, so that the cleaning structure in the air preheater is provided to solve the problems. .
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an internal cleaning structure of an air preheater, which has the advantages of being convenient for cleaning dust and suspended matters entering the air preheater, and the like, and solves the problems that the dust and the suspended matters entering the air preheater are easy to flocculate and adhere to the inner wall of a shell of the air preheater and the surface of a rotor structure, and the dust and the suspended matters are easy to adhere to each other, and the particles are gathered together, so that the friction force is larger, the dust and the suspended matters are simply blown down, the dust and the suspended matters cannot be effectively cleaned, the periodic manual cleaning is still needed, and the labor intensity of the manual cleaning is higher.
The above object is achieved by the following scheme:
an air preheater internal cleaning structure comprises a rotor shell, wherein an air preheater structure is arranged in the rotor shell, and a cleaning structure is arranged in the rotor shell;
the cleaning structure comprises a spray head and equipment boxes, the spray heads with the number of two are fixedly arranged on the inner top wall of the rotor shell, the equipment boxes are fixedly arranged on the left side of the rotor shell, a first conveying pump is fixedly arranged in the equipment boxes, a cleaning liquid box is fixedly arranged in the equipment boxes, a second conveying pump is fixedly arranged in the equipment boxes, a filter box is fixedly arranged in the equipment boxes, a filter element is movably arranged in the filter box, and a return pipe is fixedly arranged at the bottom of the rotor shell.
The air preheater cleaning structure comprises a smoke inlet pipe orifice and a smoke outlet pipe orifice, the smoke inlet pipe orifice is fixedly arranged at the top of the rotor housing, the smoke outlet pipe orifice is fixedly arranged at the bottom of the rotor housing, the air outlet pipe orifice is fixedly arranged at the top of the rotor housing, the air inlet pipe orifice is fixedly arranged at the bottom of the rotor housing, a fixing frame is fixedly arranged in the rotor housing, a rotor body is connected to the outer portion of the fixing frame in a rotating mode, a driving motor is fixedly arranged at the bottom of the rotor housing, and a rotor bearing is fixedly arranged at the top of the rotor body.
The air preheater cleaning structure is characterized in that a first conveying pipe is fixedly arranged at the top of the first conveying pump, and the top of the first conveying pipe penetrates through the top of the rotor shell and is fixedly connected with two spray heads.
The air preheater cleaning structure comprises an air preheater, wherein a first conveying pipe is fixedly arranged at the outer part of the air preheater, a second conveying pipe is fixedly arranged at the outer part of the first conveying pipe, the top of the second conveying pipe penetrates through the top of a rotor shell and extends to the inner part of the rotor shell, and an electric three-way valve is arranged at the joint of the first conveying pipe and the second conveying pipe.
The cleaning structure in the air preheater, the bottom fixed mounting of first delivery pump have the third conveyer pipe, first delivery pump pass through third conveyer pipe and cleaning solution tank fixed connection, the bottom fixed mounting of cleaning solution tank have the fourth conveyer pipe, the bottom of fourth conveyer pipe be connected with the top of second delivery pump.
The air preheater in clearance structure, the right side fixed mounting of second delivery pump have a fourth conveyer pipe, the right side of fourth conveyer pipe be connected with the rose box, the inside fixed mounting of rose box have the mounting panel, the top fixed mounting of filter core have the connecting plate, filter core be connected with the mounting panel through two threaded rods of connecting plate internal thread connection.
The air preheater internal cleaning structure is characterized in that the bottom of the return pipe penetrates through the filter box, the mounting plate and the connecting plate and extends to the inside of the filter element, and control valves are arranged in the smoke outlet pipe orifice, the air inlet pipe orifice and the return pipe.
Advantageous effects
1. According to the utility model, the cleaning structure is arranged, the cleaning liquid in the cleaning liquid tank is conveyed to the interior of the rotor shell by the first conveying pump, the cleaning liquid is utilized to soak the inner wall of the rotor shell and the air preheater structure, dust and suspended matters adhered to the surface of the rotor shell are softened, then the first conveying pump is communicated with the spray head by controlling the electric three-way valve, the cleaning liquid is sprayed into the interior of the rotor shell through the spray head, the dust and suspended matters adhered to the inner wall of the rotor shell and the surface of the air preheater structure are washed, the cleaning liquid containing the dust and the suspended matters enters the filter box through the return pipe, and the cleaning of the inner wall of the rotor shell and the air preheater structure can be completed, so that frequent regular manual cleaning is not needed, and the labor intensity of manual cleaning is also reduced.
2. According to the utility model, the rotor shell is arranged, the air preheater structure can be sealed by the rotor shell, on one hand, the cleaning structure can be convenient for cleaning the inner wall of the rotor shell and the air preheater structure, on the other hand, dust can be prevented from drifting towards the outside in the cleaning process, and cleaning liquid containing dust and suspended matters can be subjected to triple filtration through the filter element after entering the filter box through the return pipe, and the cleaning liquid after filtration and purification is conveyed to the cleaning liquid box again through the second conveying pump, so that the repeated recycling of the cleaning liquid is realized, the consumption and waste of the cleaning liquid are reduced, and the cleaning structure is more energy-saving and environment-friendly when cleaning the inner wall of the rotor shell and the air preheater structure.
Drawings
FIG. 1 is a three-dimensional schematic of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the air preheater structure and cleaning structure of the present utility model;
FIG. 4 is an enlarged schematic view of the utility model at A in FIG. 2;
in the figure: 1. a rotor housing; 2. an air preheater structure; 201. a smoke inlet pipe orifice; 202. a smoke outlet pipe orifice; 203. an air outlet pipe orifice; 204. an air inlet pipe orifice; 205. a fixing frame; 206. a rotor body; 207. a driving motor; 208. a rotor bearing; 3. cleaning the structure; 301. a spray head; 302. an equipment box; 303. a first transfer pump; 304. a cleaning liquid tank; 305. a second transfer pump; 306. a filter box; 307. a filter element; 308. and (5) a return pipe.
Description of the embodiments
Referring to fig. 1-4, an in-air-preheater cleaning structure in the present embodiment includes a rotor housing 1, an air-preheater structure 2 is disposed inside the rotor housing 1, and a cleaning structure 3 is disposed inside the rotor housing 1;
the cleaning structure 3 comprises a spray head 301, an equipment box 302, a first conveying pump 303, a cleaning liquid box 304, a second conveying pump 305, a filter box 306, a filter element 307 and a return pipe 308, wherein the spray heads 301 with two numbers are fixedly arranged on the inner top wall of the rotor shell 1, the equipment box 302 is fixedly arranged on the left side of the rotor shell 1, the first conveying pump 303 is fixedly arranged in the equipment box 302, the cleaning liquid box 304 is fixedly arranged in the equipment box 302, the second conveying pump 305 is fixedly arranged in the equipment box 302, the filter box 306 is fixedly arranged in the equipment box 302, the filter element 307 is movably arranged in the filter box 306, and the return pipe 308 is fixedly arranged at the bottom of the rotor shell 1.
According to fig. 2 and 3, the air preheater structure 2 comprises a smoke inlet pipe 201, a smoke outlet pipe 202, a smoke outlet pipe 203, a gas inlet pipe 204, a fixing frame 205, a rotor body 206, a driving motor 207 and a rotor bearing 208, wherein the smoke with waste heat enters the rotor housing 1 from the smoke inlet pipe 201, then contacts the rotor body 206 which is driven by the driving motor 207 and slowly rotates in the rotor housing 1, the temperature of the heated surface of the rotor body 206 is raised, then the cooled air is discharged through the smoke outlet pipe 202, enters the rotor housing 1 from the gas inlet pipe 204, then contacts the rotor body 206 and absorbs the heat accumulated on the rotor body 206, and then is discharged into an external combustion furnace through the gas outlet pipe 203.
According to fig. 2 and 3, after the first transfer pump 303 pumps the cleaning solution inside the cleaning solution tank 304 through the third transfer pipe, the cleaning solution is transferred to the inside of the rotor housing 1 through the second transfer pipe to soak the dust and suspended matters adhered to the inner wall of the rotor housing 1 and the surface of the air pre-conditioner structure 2, and the first transfer pump 303 can spray the cleaning solution through the first transfer pipe through the two spray heads 301 to flush the dust and suspended matters adhered to the inner wall of the rotor housing 1 and the surface of the air pre-conditioner structure 2, thereby cleaning the whole air pre-conditioner.
According to the illustration of fig. 2 and 3, the filter element 307 comprises a sponge filter ring, a glass fiber filter ring and an activated carbon filter ring, the sponge filter ring is first heavy-filtering, the large-volume impurity in the waste cleaning liquid is filtered, the glass fiber filter ring is fixedly installed outside the sponge filter ring, the glass fiber filter ring is second heavy-filtering, the small-volume impurity in the waste cleaning liquid is filtered, the activated carbon filter ring is fixedly installed outside the glass fiber filter ring, the activated carbon filter ring is third heavy-filtering, the micro-particles in the waste cleaning liquid are filtered, the pipeline, the first conveying pump 303 and the second conveying pump 305 are prevented from being blocked due to the micro-particles, and the waste cleaning liquid subjected to the heavy-filtering is also convenient for recycling.
In summary, in this cleaning structure in air preheater, through setting up cleaning structure 3, first delivery pump 303 is through carrying the inside washing liquid of washing liquid case 304 to the inside of rotor housing 1, utilize the washing liquid to soak the inner wall of rotor housing 1 and air preheater structure 2, soften its surface adhesion's dust and suspended solid, then through controlling electronic three way valve, make first delivery pump 303 and shower nozzle 301 intercommunication, spray the washing liquid to the inside of rotor housing 1 through shower nozzle 301, wash the dust and the suspended solid of rotor housing 1 inner wall and air preheater structure 2 surface adhesion, and the washing liquid that contains dust and suspended solid gets into in the rose box 306 through back flow 308, the clearance to rotor housing 1 inner wall and air preheater structure 2 can be accomplished, make not frequent periodic manual clearance, also reduced the intensity of labour of manual clearance.
In addition, the cleaning structure in the air preheater is provided with the rotor shell 1, the rotor shell 1 can seal the air preheater structure 2, on one hand, the cleaning structure 3 can conveniently clean the inner wall of the rotor shell 1 and the air preheater structure 2, on the other hand, dust and suspended matters in the cleaning process can be prevented from drifting outwards, and after cleaning liquid containing dust and suspended matters enters the filter box 306 through the return pipe 308, triple filtration can be carried out through the filter element 307, the cleaning liquid after the filtration and the purification are carried out again into the cleaning liquid box 304 through the second delivery pump 305, the repeated recycling of the cleaning liquid is realized, the consumption and the waste of the cleaning liquid are reduced, the cleaning structure 3 is more energy-saving and environment-friendly when cleaning the inner wall of the rotor shell 1 and the air preheater structure 2, dust and suspended matters in the air preheater are prevented from flocculating easily due to the dust and suspended matters in the air preheater, the dust and the suspended matters are very easily adhered to the inner wall of the shell of the air preheater and the surface of the rotor structure, the dust and the suspended matters are gathered together due to the aggregation between particles, the friction force is larger, the dust and the suspended matters are simply and the dust and the suspended matters are not easy, and the dust are cleaned regularly and the dust are not cleaned easily.
Claims (7)
1. The utility model provides a clearance structure in air preheater, its constitution includes rotor housing, characterized by: an air preheater structure is arranged in the rotor shell, and a cleaning structure is arranged in the rotor shell;
the cleaning structure comprises a spray head and equipment boxes, the spray heads with the number of two are fixedly arranged on the inner top wall of the rotor shell, the equipment boxes are fixedly arranged on the left side of the rotor shell, a first conveying pump is fixedly arranged in the equipment boxes, a cleaning liquid box is fixedly arranged in the equipment boxes, a second conveying pump is fixedly arranged in the equipment boxes, a filter box is fixedly arranged in the equipment boxes, a filter element is movably arranged in the filter box, and a return pipe is fixedly arranged at the bottom of the rotor shell.
2. The cleaning structure in the air preheater as set forth in claim 1, wherein: the air preheater structure include into cigarette mouth and play cigarette mouth, the top fixed mounting of rotor shell have into cigarette mouth, the bottom fixed mounting of rotor shell have out cigarette mouth, the top fixed mounting of rotor shell have out gas mouth, the bottom fixed mounting of rotor shell have into gas mouth, the inside fixed mounting of rotor shell have the mount, the outside of mount rotate and be connected with the rotor body, the bottom fixed mounting of rotor shell have driving motor, the top fixed mounting of rotor body have rotor bearing.
3. The cleaning structure in the air preheater as set forth in claim 2, wherein: the top of the first conveying pump is fixedly provided with a first conveying pipe, and the top of the first conveying pipe penetrates through the top of the rotor shell and is fixedly connected with the two spray heads.
4. The cleaning structure in the air preheater as set forth in claim 3, wherein: the outer fixed mounting of first conveyer pipe have the second conveyer pipe, the top of second conveyer pipe run through the top of rotor shell to extend to the inside of rotor shell, the junction of first conveyer pipe and second conveyer pipe be provided with electronic three way valve.
5. The cleaning structure in the air preheater as set forth in claim 4, wherein: the bottom of the first conveying pump is fixedly provided with a third conveying pipe, the first conveying pump is fixedly connected with the cleaning liquid tank through the third conveying pipe, the bottom of the cleaning liquid tank is fixedly provided with a fourth conveying pipe, and the bottom of the fourth conveying pipe is connected with the top of the second conveying pump.
6. The cleaning structure in the air preheater as set forth in claim 5, wherein: the right side of second delivery pump fixed mounting have the fourth conveyer pipe, the right side of fourth conveyer pipe be connected with the rose box, the inside fixed mounting of rose box have the mounting panel, the top fixed mounting of filter core have the connecting plate, the filter core be connected with the mounting panel through two threaded rods of connecting plate internal thread connection.
7. The cleaning structure in the air preheater as set forth in claim 6, wherein: the bottom of the return pipe penetrates through the filter box, the mounting plate and the connecting plate and extends to the inside of the filter element, and control valves are arranged in the smoke outlet pipe orifice, the air inlet pipe orifice and the return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441884.5U CN220136146U (en) | 2023-06-07 | 2023-06-07 | Cleaning structure in air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441884.5U CN220136146U (en) | 2023-06-07 | 2023-06-07 | Cleaning structure in air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136146U true CN220136146U (en) | 2023-12-05 |
Family
ID=88948223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321441884.5U Withdrawn - After Issue CN220136146U (en) | 2023-06-07 | 2023-06-07 | Cleaning structure in air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136146U (en) |
-
2023
- 2023-06-07 CN CN202321441884.5U patent/CN220136146U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20231205 Effective date of abandoning: 20240313 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20231205 Effective date of abandoning: 20240313 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |