CN220039247U - On-line cleaning device for plate-type air preheater - Google Patents
On-line cleaning device for plate-type air preheater Download PDFInfo
- Publication number
- CN220039247U CN220039247U CN202321214228.1U CN202321214228U CN220039247U CN 220039247 U CN220039247 U CN 220039247U CN 202321214228 U CN202321214228 U CN 202321214228U CN 220039247 U CN220039247 U CN 220039247U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- air preheater
- heat exchange
- conveying pipe
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 167
- 238000007789 sealing Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims 3
- 239000007788 liquid Substances 0.000 abstract description 46
- 239000007921 spray Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000005406 washing Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an online cleaning device for a plate-type air preheater, which comprises an air preheater body, wherein a plurality of heat exchange plates are arranged in the air preheater body, the heat exchange plates are sequentially and uniformly arranged, a conveying pipe is connected to the side wall of the air preheater body in a sliding manner, one end of the conveying pipe, which is arranged in the air preheater body, is fixedly connected with a cleaning branch pipe, the conveying pipe is communicated with the inside of the cleaning branch pipe, and a plurality of cleaning nozzles are arranged on the lower side of the side wall of the cleaning branch pipe. According to the utility model, the cleaning branch pipes are arranged in the air preheater, and the conveying pipe sprays cleaning liquid and compressed air onto the heat exchange plate through the cleaning nozzles arranged on the cleaning branch pipes, so that the cleaning of the heat exchange plate can be completed; meanwhile, the conveying pipe can drive the cleaning pipe to slide on the preheater, so that the cleaning branch pipe can clean different heat exchange plates; therefore, the heat exchange plate is convenient to clean, the cleaning time is saved, and the cleaning efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of air preheaters, and particularly relates to an online cleaning device for a plate-type air preheater.
Background
The plate-type air preheater has the advantages of good heat transfer effect, small occupied area, flexible organization form and the like, and is widely applied to industries such as oil refining, chemical industry, steel, metallurgy, electric power, automobiles and the like. Because solid particles such as dust are often mixed in the medium flowing through the plate-type air preheater, in the operation process, the solid particles in the medium can be attached to the surface of the plate, the heat transfer effect of the equipment is reduced, and the plate-type air preheater needs to be cleaned irregularly.
The conventional air preheater is usually cleaned chemically and mechanically, and because of the plurality of heat exchange plates in the plate type air preheater, the heat exchange plates need to be cleaned one by one, and because of the limited space between the heat exchange plates, the heat exchange plates are difficult to clean, and a great amount of time is consumed for cleaning.
Accordingly, in view of the above-described technical problems, it is necessary to provide an in-line cleaning apparatus for a plate-type air preheater.
Disclosure of Invention
The present utility model aims to provide an on-line cleaning device for a plate air preheater to solve the above problems.
In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:
an on-line cleaning device for a plate-type air preheater comprises an air preheater body, a plurality of heat exchange plates are arranged in the air preheater body, the heat exchange plates are sequentially and evenly arranged, a conveying pipe is connected to the side wall of the air preheater body in a sliding mode, one end of the conveying pipe, which is arranged in the air preheater body, is fixedly connected with a cleaning branch pipe, the conveying pipe is communicated with the inside of the cleaning branch pipe, a plurality of cleaning nozzles are arranged on the lower side of the side wall of the cleaning branch pipe, the direction of the cleaning branch pipe is parallel to the direction of the heat exchange plates, the cleaning branch pipe is arranged above the heat exchange plates, a mixing chamber is fixedly connected to one end of the conveying pipe, which is arranged outside the air preheater body, of the mixing chamber, and a cleaning liquid interface and a compressed air interface are arranged at one end, which is far away from the conveying pipe.
Further, an O-shaped sealing ring is arranged between the side wall of the air preheater body and the conveying pipe, and the O-shaped sealing ring is arranged on the side wall of the air preheater body.
Further, the cleaning nozzles are obliquely arranged, a pair of cleaning nozzles are arranged on the same cross section of the cleaning branch pipe, provided with the cleaning nozzles, and the cleaning nozzles are symmetrically arranged.
Further, the pressure of the cleaning liquid in the cleaning liquid interface is set to be 0.45-0.5MPa, and the pressure of the compressed air in the compressed air interface is set to be 0.58-0.55MPa.
Further, a supporting plate is fixedly connected to the side wall of the air preheater body, a mounting block is fixedly connected to the supporting plate, and the mounting block is arranged below the conveying pipe.
Further, a sliding groove is formed in the mounting block, and a sliding block is connected in the sliding groove in a sliding mode.
Further, a connecting block is fixedly connected to the sliding block, the upper end of the connecting block is fixedly connected to the side wall of the conveying pipe, and a pushing handle is fixedly connected to the side wall of the mixing chamber.
Further, a drain outlet is arranged at the lower end of the air preheater body, and a valve is arranged on the drain outlet.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, the cleaning branch pipes are arranged in the air preheater, and the conveying pipe is used for spraying the cleaning liquid and the compressed air onto the side walls of the heat exchange plates through the cleaning nozzles arranged on the cleaning branch pipes after mixing, so that the cleaning of the heat exchange plates can be completed; meanwhile, the conveying pipe can drive the cleaning pipe to slide on the preheater, so that the cleaning branch pipe can clean different heat exchange plates; therefore, the heat exchange plate is convenient to clean, the cleaning time is saved, and the cleaning efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a front view of an in-line cleaning apparatus for a plate air preheater in accordance with an embodiment of the present utility model;
FIG. 2 is a perspective view of an in-line cleaning apparatus for a plate air preheater in accordance with an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an in-line cleaning apparatus for a plate air preheater in accordance with an embodiment of the present utility model;
FIG. 4 is an enlarged view of the portion A of FIG. 2 according to an embodiment of the present utility model;
FIG. 5 is an enlarged view of the portion B of FIG. 3 according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram showing a connection between a sliding slot and a sliding block according to an embodiment of the present utility model.
In the figure: 1. the air preheater comprises an air preheater body, a heat exchange plate, a conveying pipe, a cleaning branch pipe, a cleaning nozzle, a 6.O type sealing ring, a mixing chamber, a cleaning liquid interface, a compressed air interface, a pushing handle, a supporting plate, a mounting block, a sliding groove, a sliding block, a connecting block, a sewage draining port and a valve.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.
The utility model discloses an on-line cleaning device for a plate-type air preheater, which is characterized in that when the plate-type air preheater is used, a medium flowing through the plate-type air preheater contains a large amount of impurities, the impurities can be attached to a heat exchange plate, and a large amount of impurities can be attached to the heat exchange plate for a long time, so that the heat transfer effect of the heat exchange plate is affected, and therefore, the air preheater needs to be cleaned.
Referring to fig. 1 to 3, the air preheater comprises an air preheater body 1, wherein a plurality of heat exchange plates 2 are installed in the air preheater body 1, and the plurality of heat exchange plates 2 are sequentially and uniformly arranged. The air preheater body 1 is a casing of the preheater, the heat exchange plate 2 is installed in the air preheater body 1, and the medium exchanges heat through the heat exchange plate 2, so that the medium can be contacted with the heat exchange plate 2, impurities and the like in the medium are attached to the heat exchange plate 2, and therefore the heat exchange plate 2 in the air preheater body 1 needs to be cleaned regularly, so that good heat transfer effect of the heat exchange plate 2 is ensured.
Referring to fig. 5, a conveying pipe 3 is slidably connected to a side wall of the air preheater body 1, one end of the conveying pipe 3 in the air preheater body 1 is fixedly connected with a cleaning branch pipe 4, the conveying pipe 3 is communicated with the inside of the cleaning branch pipe 4, a plurality of cleaning nozzles 5 are formed in the lower side of the side wall of the cleaning branch pipe 4, the cleaning nozzles 5 are obliquely arranged, a pair of cleaning nozzles 5 are arranged on the same cross section of the cleaning branch pipe 4 where the cleaning nozzles 5 are arranged, and the cleaning nozzles 5 are symmetrically arranged. Since the heat exchange plates 2 are provided in the air preheater body 1 in plurality and the distance between the heat exchange plates 2 is limited, the cleaning of the heat exchange plates 2 is inconvenient, and in order to facilitate the cleaning of the heat exchange plates 2, the cleaning branch pipes 4 are provided in the air preheater body 1, and the conveying pipe 3 and the cleaning branch pipes 4 are both used for conveying cleaning liquid.
Further, referring to fig. 5, the direction in which the cleaning branch pipe 4 is installed is parallel to the direction in which the heat exchange plates 2 are arranged, so that the cleaning branch pipe 4 can be placed between two heat exchange plates 2, since the side wall of the lower side of the cleaning branch pipe 4 is provided with a plurality of cleaning nozzles 5, the cleaning liquid conveyed in the cleaning branch pipe 4 can be sprayed out through the cleaning nozzles 5, and when the medium in the cleaning branch pipe 4 has pressure, the cleaning nozzles 5 can atomize and spray the cleaning liquid in the cleaning branch pipe 4 due to the smaller aperture of the cleaning nozzles 5. In order to enable the cleaning liquid sprayed from the cleaning nozzle 5 to be sprayed onto the side wall of the heat exchange plate 2, the cleaning liquid is sprayed obliquely by obliquely arranging the cleaning nozzle 5 so as to be sprayed onto the side wall of the heat exchange plate 2.
Preferably, the direction in which the cleaning branch pipes 4 are arranged is parallel to the direction in which the heat exchange plates 2 are arranged, and the cleaning branch pipes 4 are arranged above the heat exchange plates 2. In order to facilitate cleaning of the heat exchange plate 2 through the cleaning branch pipe 4, the cleaning branch pipe 4 is arranged above the heat exchange plate 2, a plurality of cleaning nozzles 5 are arranged on the cleaning branch pipe 4, and the space and the quantity arranged among the plurality of cleaning nozzles 5 are set through the pressure of the cleaning liquid in the cleaning branch pipe 4, so that the side wall of the heat exchange plate 2 can be fully covered by the cleaning liquid sprayed out through the cleaning nozzles 5, and the side wall of the heat exchange plate 2 can be fully cleaned.
Referring to fig. 5, an O-ring 6,O type sealing ring 6 is provided between the side wall of the air preheater body 1 and the delivery pipe 3, and is mounted on the side wall of the air preheater body 1. Because conveyer pipe 3 sliding connection is on air heater body 1 for conveyer pipe 3 can slide on air heater body 1's lateral wall, and conveyer pipe 3 can drive washing branch pipe 4 when sliding and remove, and washing branch pipe 4 can adjust the position of washing branch pipe 4 in air heater body 1 when the internal removal of air heater, so that place washing branch pipe 4 between different heat exchanger plates 2, realize the washing of all heat exchanger plates 2 in the air heater body 1. In order to make the sealing property of the delivery pipe 3 when sliding on the air preheater body 1 better and to make the resistance before the air preheater body 1 and the delivery pipe 3 smaller, an O-shaped sealing ring 6 is arranged between the air preheater body 1 and the delivery pipe 3, and the resistance between the air preheater body 1 and the delivery pipe 3 is made smaller and the sealing property is better between each other through the O-shaped sealing ring 6.
Referring to fig. 4, a mixing chamber 7 is fixedly connected to one end of the delivery pipe 3 disposed outside the air preheater body 1, and a cleaning liquid interface 8 and a compressed air interface 9 are installed at one end of the mixing chamber 7 away from the delivery pipe 3. When the heat exchange plate 2 is cleaned through the cleaning branch pipe 4, cleaning liquid needs to be supplied to the cleaning branch pipe 4 through the conveying pipe 3, in order to enable the cleaning liquid to have a good cleaning effect when being sprayed out through the cleaning nozzle 5 on the cleaning branch pipe 4, the mixing chamber 7 is fixedly connected to one end, which is arranged outside the air preheater body 1, of the conveying pipe 3, a cleaning liquid interface 8 and a compressed air interface 9 are arranged at one end, which is far away from the conveying pipe 3, of the mixing chamber 7, the cleaning liquid and the compressed air are supplied to the mixing chamber 7 through the cleaning liquid interface 8 and the compressed air interface 9, the compressed air and the cleaning liquid are mixed in the mixing chamber 7, and then the cleaning liquid is conveyed into the cleaning branch pipe 4 through the conveying pipe 3.
Preferably, the pressure of the cleaning liquid in the cleaning liquid interface 8 is set to 0.45-0.5MPa, and the pressure of the compressed air in the compressed air interface 9 is set to 0.58-0.55MPa. In order to optimize the cleaning effect of the cleaning liquid on the heat exchange plate 2, the cleaning liquid and the compressed air are supplied through the cleaning liquid interface 8 and the compressed air interface 9, and when the compressed air and the cleaning liquid are mixed, the cleaning liquid is atomized well when being sprayed out through the cleaning nozzle 5. In order to make the cleaning liquid and the compressed air sprayed out of the cleaning nozzle 5 have larger pressure, and simultaneously avoid the damage of the cleaning liquid and the compressed air to the surface of the heat exchange plate 2, the pressure of the cleaning liquid in the cleaning liquid interface 8 needs to be set to be 0.45-0.5MPa, and the pressure of the compressed air in the compressed air interface 9 needs to be set to be 0.58-0.55MPa, so that the cleaning liquid and the compressed air have good cleaning effect to the heat exchange plate 2, and meanwhile, the damage to the heat exchange plate 2 is avoided.
Further, since the conveying pipe 3 moves when in use, the conveying pipe 3 drives the mixing chamber 7 to move when in movement, and the mixing chamber 7 drives the cleaning liquid interface 8 and the compressed air interface 9 to move when in movement, so that the cleaning liquid pipe and the compressed air pipe cannot be separated from the cleaning liquid interface 8 and the compressed air interface 9 when the cleaning liquid interface 8 and the compressed air interface 9 move, and the cleaning liquid pipe and the compressed air pipe are required to be selected as hoses.
Referring to fig. 6, a support plate 11 is fixedly connected to a side wall of the air preheater body 1, a mounting block 12 is fixedly connected to the support plate 11, and the mounting block 12 is disposed below the conveying pipe 3. A sliding groove 13 is formed in the mounting block 12, and a sliding block 14 is connected in the sliding groove 13 in a sliding manner. The slide block 14 is fixedly connected with a connecting block 15, the upper end of the connecting block 15 is fixedly connected to the side wall of the conveying pipe 3, and the side wall of the mixing chamber 7 is fixedly connected with a pushing handle 10. In order to facilitate the movement of the conveying pipe 3 during use, the installation block 12 is arranged below the conveying pipe 3, the sliding groove 13 is formed in the installation block 12, and the sliding block 14 is slidably connected in the sliding groove 13, so that the sliding block 14 can slide in the sliding groove 13. Since the connecting block 15 is fixedly connected to the slider 14, the slider 14 drives the connecting block 15 to slide when sliding.
Further, since the upper end of the connecting block 15 is fixedly connected to the side wall of the conveying pipe 3, the sliding of the connecting block 15 drives the conveying pipe 3 to slide, so that the conveying pipe 3 is moved. A pushing handle 10 is fixedly connected to the side wall of the mixing chamber 7, and the conveying pipe 3 can be driven to slide by pushing the pushing handle 10. When the heat exchange plates 2 are cleaned through the cleaning branch pipes 4 in use, after one pair of heat exchange plates 2 is cleaned, the conveying pipe 3 drives the cleaning branch pipes 4 to move so as to clean the next pair of heat exchange plates 2, thereby realizing the cleaning of all the heat exchange plates 2.
Referring to fig. 1 and 3, a drain outlet 16 is provided at the lower end of the air preheater body 1, and a valve 17 is installed on the drain outlet 16. Since the cleaning liquid is required to be discharged from the air preheater body 1 when the heat exchange plate 2 is cleaned, the cleaning liquid is discharged from the air preheater body 1 through the drain port 16 by providing the drain port 16 at the lower end of the air preheater body 1. A valve 17 is arranged on the drain outlet 16, and the switch of the drain outlet 16 is controlled by the valve 17.
When the air preheater is used, when the air preheater needs to be cleaned, the cleaning liquid pipe and the compressed air pipe are respectively connected with the cleaning liquid interface 8 and the compressed air interface 9, the pressure of the cleaning liquid is controlled to be 0.45-0.5MPa, and the pressure of the compressed air is controlled to be 0.5-0.55MPa; the cleaning liquid and the compressed air are mixed in the mixing chamber 7 and then are conveyed into the cleaning branch pipe 4 through the conveying pipe 3, and then the mixture of the cleaning liquid and the compressed air is sprayed onto the side wall of the heat exchange plate 2 through the cleaning nozzle 5, so that the heat exchange plate 2 is cleaned; after the cleaning of the pair of heat exchange plates 2 is completed, the cleaning branch pipes 4 are driven to move through the sliding conveying pipe 3 so as to move the cleaning branch pipes 4 to the upper parts of the unwashed heat exchange plates 2, and the unwashed heat exchange plates 2 are cleaned, so that the online cleaning of the heat exchange plates 2 is realized.
The technical scheme shows that the utility model has the following beneficial effects:
according to the utility model, the cleaning branch pipes are arranged in the air preheater, and the conveying pipe is used for spraying the cleaning liquid and the compressed air onto the side walls of the heat exchange plates through the cleaning nozzles arranged on the cleaning branch pipes after mixing, so that the cleaning of the heat exchange plates can be completed; meanwhile, the conveying pipe can drive the cleaning pipe to slide on the preheater, so that the cleaning branch pipe can clean different heat exchange plates; therefore, the heat exchange plate is convenient to clean, the cleaning time is saved, and the cleaning efficiency is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (1)
1. The on-line cleaning device for the plate-type air preheater comprises an air preheater body (1), and is characterized in that a plurality of heat exchange plates (2) are installed in the air preheater body (1), the heat exchange plates (2) are sequentially and evenly arranged, a conveying pipe (3) is connected to the side wall of the air preheater body (1) in a sliding mode, one end of the conveying pipe (3) in the air preheater body (1) is fixedly connected with a cleaning branch pipe (4), the conveying pipe (3) is communicated with the inside of the cleaning branch pipe (4), a plurality of cleaning nozzles (5) are arranged on the lower side of the side wall of the cleaning branch pipe (4), the direction in which the cleaning branch pipe (4) is arranged is parallel to the direction in which the heat exchange plates (2) are arranged, one end of the conveying pipe (3) outside the air preheater body (1) is fixedly connected with a mixing chamber (7), and one end of the mixing chamber (7) far away from the conveying pipe (3) is provided with a cleaning fluid interface (8) and a compressed air interface (9); an O-shaped sealing ring (6) is arranged between the side wall of the air preheater body (1) and the conveying pipe (3), and the O-shaped sealing ring (6) is arranged on the side wall of the air preheater body (1); the cleaning nozzles (5) are obliquely arranged, a pair of cleaning nozzles (5) are arranged on the same cross section of the cleaning branch pipe (4) with the cleaning nozzles (5), and the cleaning nozzles (5) are symmetrically arranged; the pressure of the cleaning fluid in the cleaning fluid interface (8) is set to be 0.45-0.5MPa, and the pressure of compressed air in the compressed air interface (9) is set to be 0.58-0.55MPa; a supporting plate (11) is fixedly connected to the side wall of the air preheater body (1), a mounting block (12) is fixedly connected to the supporting plate (11), and the mounting block (12) is arranged below the conveying pipe (3); a sliding groove (13) is formed in the mounting block (12), and a sliding block (14) is connected in the sliding groove (13) in a sliding manner; a connecting block (15) is fixedly connected to the sliding block (14), the upper end of the connecting block (15) is fixedly connected to the side wall of the conveying pipe (3), and a pushing handle (10) is fixedly connected to the side wall of the mixing chamber (7); the air preheater is characterized in that a drain outlet (16) is formed in the lower end of the air preheater body (1), and a valve (17) is arranged on the drain outlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214228.1U CN220039247U (en) | 2023-05-19 | 2023-05-19 | On-line cleaning device for plate-type air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214228.1U CN220039247U (en) | 2023-05-19 | 2023-05-19 | On-line cleaning device for plate-type air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039247U true CN220039247U (en) | 2023-11-17 |
Family
ID=88738796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321214228.1U Active CN220039247U (en) | 2023-05-19 | 2023-05-19 | On-line cleaning device for plate-type air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039247U (en) |
-
2023
- 2023-05-19 CN CN202321214228.1U patent/CN220039247U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3667487A (en) | Integrated chemical cleaning apparatus | |
| CN220039247U (en) | On-line cleaning device for plate-type air preheater | |
| CN208998637U (en) | A kind of plate-type heat exchanger slab apparatus for eliminating sludge | |
| CN109028114B (en) | Device for cooperatively treating boiler dust accumulation and coking and working method thereof | |
| CN110102532A (en) | Cleaning device | |
| CN206535790U (en) | A kind of board cleaner | |
| CN203672224U (en) | Automatic washing heat exchange device | |
| CN206541809U (en) | A kind of silicon chip cleaning device | |
| CN208245395U (en) | A kind of heat exchanger Quick cleaning device | |
| CN1011911B (en) | Corrosion-resistant method for the outer and inner walls of steel pipe bundle | |
| CN101725410B (en) | Water washing device for gas turbine | |
| CN106112823B (en) | The dedicated system of the hybrid blasting craft of water sand | |
| CN2373198Y (en) | On-line preventing and descaling device | |
| CN207197349U (en) | A kind of plate type heat exchanger with on-line cleaning mechanism | |
| CN217560456U (en) | Cleaning device for plate heat exchanger | |
| CN112405276A (en) | Building pipe environmental protection rust cleaning device | |
| CN102233338A (en) | Steel strip cleaning device | |
| CN220322169U (en) | Device for cleaning heat exchanger by utilizing solid particles | |
| CN213803998U (en) | Purging device for removing residual acid in pickling process | |
| CN221120224U (en) | Nitrogen pressure cooling device | |
| CN206066247U (en) | The dedicated system of the hybrid blasting craft of water sand | |
| CN215639032U (en) | Self-cleaning device of air conditioner heat exchanger | |
| CN221453037U (en) | Oiling equipment for part production and processing | |
| CN219103832U (en) | External online circulation cleaning device for heat exchanger driven by internal combustion engine | |
| CN217251055U (en) | Cleaning device for utilizing waste heat of oven in spray room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |