CN112484059B - Industrial boiler equipment cleaning device and method - Google Patents
Industrial boiler equipment cleaning device and method Download PDFInfo
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- CN112484059B CN112484059B CN202011212165.7A CN202011212165A CN112484059B CN 112484059 B CN112484059 B CN 112484059B CN 202011212165 A CN202011212165 A CN 202011212165A CN 112484059 B CN112484059 B CN 112484059B
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- industrial boiler
- pipe
- rotary
- storage tank
- cleaning device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a cleaning device and a cleaning method for industrial boiler equipment, wherein the cleaning device comprises a vertical plate, a lifting plate and a right-angle speed reducer, wherein the lifting plate is arranged on one side of the vertical plate, the right-angle speed reducer is arranged on the upper side of the lifting plate, a rotary joint is arranged on one side of the right-angle speed reducer, a sealing sucker is connected to one side, far away from the right-angle speed reducer, of the rotary joint through a screw, and a rotary pipe is arranged in the center of the inner side of the sealing sucker in a penetrating manner. The beneficial effects are that: according to the invention, through the vertical plate, the lifting motor, the screw rod, the guide rod, the lifting plate, the right-angle speed reducer and the rotating pipe, the lifting motor drives the screw rod to rotate, so that the lifting plate moves up and down along the vertical plate, the height of the rotating pipe can be kept fixed for a long time, and the inner side wall of the heating pipe is prevented from being damaged by the rotating pipe.
Description
Technical Field
The invention relates to the field of industrial boiler devices, in particular to a cleaning device and a cleaning method for industrial boiler equipment.
Background
The industrial boiler products are divided into two types, namely steam for generating electricity or supplying gas, for example, steam vaporization can be used in a fertilizer plant, coal is used as a raw material to synthesize chemical fertilizer, the industrial boiler is a typical industrial boiler, the industrial boiler is mainly powered by coal, and a general waste heat boiler of fuel gas is used for recovering waste heat. Industrial boilers are often circulating fluidized bed boilers, which are important thermal energy power plants. In the future, the coal-fired industrial boiler is still the dominant product in China for a quite long time, and is mostly in medium and large capacity (the evaporation capacity of a single boiler is more than or equal to 10 t/h). However, the coal-fired boiler can produce serious environmental pollution, and along with the change of an energy supply structure and the increasingly strict energy-saving and environment-friendly requirements, the natural gas development application will enter a high-speed development period. The small coal-fired industrial boiler will exit the central urban area. Therefore, an efficient, energy-saving and low-pollution industrial boiler adopting clean fuel and clean combustion technology will be a trend of product development. After the existing natural gas boiler is used for a certain time, cleaning equipment is needed to clean the inner side of the boiler, so that the heating effect of the boiler is guaranteed.
When the existing cleaning device for industrial boiler equipment is used, when the inner side of a heating pipe is cleaned, a cleaning roller is manually held to extend into the inner side of the heating pipe to clean, the cleaning roller cannot be kept in a horizontal fixed state for a long time, the inner side wall of the heating pipe is easily damaged by the cleaning roller, meanwhile, when the existing cleaning device is used, special equipment is needed to clean attachments on the inner side wall of the heating pipe after the attachments on the inner side wall of the heating pipe are cleaned, the cleaning step is complicated, the cleaning efficiency is affected, dust easily flies around to pollute the environment, and when the existing device is used, the attachments which are difficult to clean effectively, the cleaning cleanliness is not guaranteed, so that the cleaning device for industrial boiler equipment is urgently needed to solve the existing problems.
Disclosure of Invention
The invention aims to solve the problems and provide a cleaning device and a cleaning method for industrial boiler equipment.
The invention realizes the above purpose through the following technical scheme:
the utility model provides an industrial boiler equipment belt cleaning device, includes vertical board, lifter plate and right angle reduction gear, vertical board one side is provided with the lifter plate, the lifter plate upside is provided with right angle reduction gear, right angle reduction gear one side is provided with rotary joint, rotary joint keeps away from right angle reduction gear one side has sealed sucking disc through the screw connection, sealed sucking disc inboard center wears to be equipped with the rotary tube, the inboard integrated into one piece of rotary tube has annular ash suction hole, ash suction hole central part is formed with the cavity, the rotary tube is kept away from sealed sucking disc one end outer loop side integrated into one piece has steam jet orifice, rotary tube outer loop side is provided with rotatory brush roll, correspond between the rotatory brush roll the position of rotary tube is bored and is equipped with the spacer hole, vertical board upper end center is provided with the elevator motor, vertical board is close to lifter plate one side center symmetry wears to be equipped with the guide arm, center position between the guide arm wears to be equipped with the dust absorption pipe, the rotary joint opposite side is provided with the steam inlet tube, dust absorption pipe one end is kept away from rotary joint one end is connected with the ash storage tank, ash storage tank one side is provided with the negative pressure fan.
Further, the ash storage tank downside is provided with the bottom plate, the lifter plate is close to vertical board one side is provided with the stopper, the symmetry is provided with the guide rail cover on the stopper, right angle reduction gear one side has the rotating electrical machines through the screw connection.
Further, a sealing washer is glued to one side, close to the rotary brush roller, of the sealing sucker, the guide rail sleeve is in interference connection with the limiting block, and the lifting plate is in up-down sliding connection with the vertical plate along the guide rod through the guide rail sleeve.
Further, the lifting plate is connected with the right-angle speed reducer through a screw, the rotary brush roller is connected with the rotary pipe through a screw, and the rotary pipe is connected with the rotary joint through a mechanical seal.
Further, the lifting motor is connected with the screw rod through a coupling, the dust collection pipe is connected with the rotary joint through threads, and the dust collection pipe is connected with the ash storage tank through threads.
Further, the negative pressure fan is connected with the ash storage tank through a flange, self-locking universal wheels are arranged at four corners of the lower side of the bottom plate through screws, and the bottom plate and the vertical plate are made of stainless steel.
Furthermore, the lifting plate is made of aluminum alloy, the steam inlet pipe is provided with an opening and closing valve, and the steam inlet pipe is connected with external high-pressure steam equipment.
Further, the upper end and the lower end of the screw rod are connected with the vertical plate through bearings, and an ash discharging cover is arranged at one end of the ash storage tank.
Further, a sealing gasket is arranged at the connection position of the negative pressure fan and the ash storage tank, and a plurality of specifications are set for the length of the rotating pipe.
The invention has the beneficial effects that:
1. in order to solve the problem that the inner side wall of a heating pipe is easily damaged by a cleaning roller due to the fact that the cleaning roller cannot be kept in a horizontal fixed state for a long time when the inner side of the heating pipe is cleaned by manually holding the cleaning roller to extend into the inner side of the heating pipe when the conventional cleaning device for industrial boiler equipment is used, the lifting motor drives the screw rod to rotate through the vertical plate, the lifting motor, the screw rod, the guide rod, the lifting plate, the right-angle reducer and the rotating pipe, so that the lifting plate moves up and down along the vertical plate, the height of the rotating pipe can be kept fixed for a long time, and the inner side wall of the heating pipe is prevented from being damaged by the rotating pipe;
2. in order to solve the problem that the existing cleaning device needs special equipment to clean out the attachments on the inner side wall of the heating pipe after cleaning, the cleaning step is complicated, the cleaning efficiency is affected, and dust is easy to fly around to pollute the environment, the negative pressure fan, the dust storage tank, the dust collection pipe, the interval hole and the dust suction inner hole are arranged, so that the device pumps the attachments on the inner side wall of the heating pipe into a negative pressure state through the negative pressure fan when cleaning the attachments on the inner side wall of the heating pipe, the cleaned dust can be timely sucked into the dust storage tank for storage, the cleaning step is simplified, the cleaning efficiency is improved, and the dust is prevented from flying around to pollute the environment;
3. in order to solve the problems that the attachments which are difficult to clean effectively when the conventional device is used, and the cleaning cleanliness is not guaranteed, the high-pressure hot steam can be sprayed out rapidly through the steam spray holes at the end of the rotating pipe through the steam inlet pipe and the steam spray holes, so that the inner side wall of the heating pipe is purged, the attachments which are difficult to clean are cleaned effectively, and the cleaning cleanliness is guaranteed.
Drawings
FIG. 1 is a front view of an industrial boiler plant cleaning apparatus according to the present invention;
FIG. 2 is a partial front cross-sectional view of a rotary tube of an industrial boiler plant cleaning apparatus according to the present invention;
FIG. 3 is an enlarged schematic view of a sealing chuck in an industrial boiler cleaning apparatus according to the present invention;
fig. 4 is a top view of a lifter plate in an industrial boiler plant cleaning apparatus according to the present invention.
The reference numerals are explained as follows:
1. a bottom plate; 2. a vertical plate; 3. an ash storage tank; 4. a negative pressure fan; 5. a screw rod; 6. a guide rod; 7. a lifting plate; 8. a lifting motor; 9. a rotating electric machine; 10. a right angle decelerator; 11. a rotary joint; 12. a dust collection pipe; 13. rotating the brush roller; 14. a rotary tube; 15. sealing the sucker; 16. steam jet holes; 17. an ash suction inner hole; 18. a spacer hole; 19. a sealing gasket; 20. a steam inlet pipe; 21. a limiting block; 22. and a guide rail sleeve.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, an industrial boiler equipment cleaning device comprises a vertical plate 2, a lifting plate 7 and a right-angle speed reducer 10, wherein the lifting plate 7 is arranged on one side of the vertical plate 2, the right-angle speed reducer 10 is arranged on the upper side of the lifting plate 7, a rotary joint 11 is arranged on one side of the right-angle speed reducer 10, a sealing sucker 15 is connected on one side of the rotary joint 11 far away from the right-angle speed reducer 10 through a screw, a rotary pipe 14 is penetrated through the center of the inner side of the sealing sucker 15, an annular ash suction inner hole 17 is integrally formed on the inner side of the rotary pipe 14, a cavity is formed in the center of the ash suction inner hole 17, a steam spray hole 16 is integrally formed on the outer ring side of one end of the rotary pipe 14 far away from the sealing sucker 15, a rotary brush roller 13 is arranged on the outer ring side of the rotary pipe 14, a spacing hole 18 is drilled between the rotary brush rollers 13 corresponding to the rotary pipe 14, a lifting motor 8 is arranged on the center of the upper end of the vertical plate 2, the guide rods 6 are symmetrically penetrated at the center of one side of the vertical plate 2 close to the lifting plate 7, the screw rods 5 are penetrated at the center position between the guide rods 6, the dust suction pipe 12 is arranged at the upper side of the rotary joint 11, the steam inlet pipe 20 is arranged at the other side of the rotary joint 11, the dust suction pipe 12 is connected with the ash storage tank 3 at one end far away from the rotary joint 11, the negative pressure fan 4 is arranged at one side of the ash storage tank 3, the lifting motor 8, the screw rods 5, the guide rods 6, the lifting plate 7, the right angle speed reducer 10 and the rotary pipe 14 are arranged, the lifting motor 8 drives the screw rods 5 to rotate, the lifting plate 7 moves up and down along the vertical plate 2, the height of the rotary pipe 14 can be kept fixed for a long time, the inner side wall of the heating pipe is prevented from being damaged by the rotary pipe, the arranged negative pressure fan 4, the ash storage tank 3, the dust suction pipe 12, the spacing holes 18 and the ash suction inner hole 17 are arranged, and when the device cleans attachments on the inner side wall of the heating pipe, the ash storage tank 3 is internally pumped into a negative pressure state through the negative pressure fan 4, so that cleaned dust can be timely sucked into the ash storage tank 3 for storage, the cleaning step is simplified, the cleaning efficiency is improved, and the dust is prevented from drifting around to pollute the environment.
In this embodiment, ash storage tank 3 downside is provided with bottom plate 1, and lifter plate 7 is close to vertical board 2 one side and is provided with stopper 21, and the symmetry is provided with guide rail cover 22 on the stopper 21, and right angle reduction gear 10 one side has rotating electrical machines 9 through the screw connection, and stopper 21 can guarantee that lifter plate 7 reciprocates stably, and right angle reduction gear 10 can carry out the deceleration processing to rotating electrical machines 9, avoids rotating tube 14 rotational speed too fast, guarantees cleaning quality, and bottom plate 1 can carry out stable support to ash storage tank 3.
In this embodiment, sealing chuck 15 is close to rotatory brush roll 13 one side and glues and have sealing washer 19, and guide rail cover 22 and stopper 21 interference connection, lifter plate 7 and vertical board 2 pass through guide rail cover 22 along guide arm 6 sliding connection from top to bottom, and sealing chuck 15 can effectively seal the heating pipe outside edge through sealing washer 19, and then guarantees that dust pipe 12 adsorbs the collection to the inboard dust of heating pipe, avoids drifting about polluted environment.
In this embodiment, lifting plate 7 passes through screw connection with right angle reduction gear 10, and rotatory brush roll 13 passes through screw connection with rotary tube 14, and rotary tube 14 passes through mechanical seal with rotary joint 11 to be connected, and rotatory brush roll 13 can clean the heating pipe inside wall, guarantees the clearance quality of heating pipe inside wall, and rotary joint 11 can make rotary tube 14 stable rotation.
In this embodiment, elevator motor 8 passes through the coupling joint with lead screw 5, and dust absorption pipe 12 passes through threaded connection with rotary joint 11, and dust absorption pipe 12 passes through threaded connection with ash storage tank 3, and the rotation of lead screw 5 can make lifter plate 7 slide from top to bottom along guide arm 6, and then adjusts the height of lifter plate 7, and ash storage tank 3 can store the dust that clears up.
In this embodiment, negative pressure fan 4 passes through flange joint with ash storage jar 3, and bottom plate 1 downside four corners is provided with the auto-lock universal wheel through the screw, and bottom plate 1 and vertical board 2 are made for the stainless steel, can remove the device through the auto-lock universal wheel of bottom plate 1 downside and use, and vertical board 2 provides the supporting point for the reciprocates of lifter plate 7.
In this embodiment, the lifting plate 7 is made of aluminum alloy, the steam inlet pipe 20 is provided with an on-off valve, the steam inlet pipe 20 is connected with external high-pressure steam equipment, and the steam inlet pipe 20 can enable high-pressure hot steam to enter the inner side of the rotating pipe 14 and be rapidly ejected through the steam jet hole 16, and purge and clean attachments difficult to clean on the inner side wall of the heating pipe.
In this embodiment, the upper and lower ends of the screw rod 5 are connected with the vertical plate 2 through bearings, and one end of the ash storage tank 3 is provided with an ash discharging cover, and the ash discharging cover is opened to pour the dust stored in the inner side of the ash storage tank 3.
In this embodiment, the connection position of the negative pressure fan 4 and the ash storage tank 3 is provided with a sealing gasket 19, the length of the rotary pipe 14 is provided with a plurality of specifications, and the sealing gasket 19 can ensure that the sealing sucker 15 and the outer end of the heating pipe are tightly sealed, so as to ensure the dust adsorption effect of the device.
The application method of the industrial boiler equipment cleaning device comprises the following steps: when carrying out the clearance operation to industrial boiler, dismantle the apron of industrial boiler both ends side, then adjust highly through elevator motor 8, elevator motor 8 drives lead screw 5 rotatory, and then make elevator plate 7 reciprocate along guide arm 6, and then make the height of the swinging tube 14 on the elevator plate 7 obtain accurate regulation, guarantee the levelness of swinging tube 14 simultaneously, and then guarantee the cleaning effect after inserting the heating pipe inboard of swinging tube 14, avoid damaging the heating pipe, after the swinging tube 14 inserts the heating pipe, rotating electrical machine 9 passes through right angle reduction gear 10 and drives swinging tube 14 rotatory, and then make rotatory brush roll 13 rotate the heating pipe inside wall and clean, improve the quality of cleaning, start negative pressure fan 4 when cleaning, negative pressure fan 4 will store up ash can 3 in and take out into the negative pressure, and then make and store in ash storage can 3 through dust absorption pipe 12, simplify the clearance step, avoid swinging tube 20 and high-pressure steam equipment to get into the inside through the steam orifice through the high-pressure steam connection, and the inside wall is cleaned through the steam jet orifice is blown out to the inside through the steam, after a certain time, clean the inside wall is blown out to the steam 20, clean the inside wall is blown out through the steam through the high-pressure steam pipe 16.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (10)
1. An industrial boiler equipment belt cleaning device, its characterized in that: including vertical board (2), lifter plate (7) and right angle reduction gear (10), vertical board (2) one side is provided with lifter plate (7), lifter plate (7) upside is provided with right angle reduction gear (10), right angle reduction gear (10) one side is provided with rotary joint (11), rotary joint (11) keep away from right angle reduction gear (10) one side is connected with sealed sucking disc (15) through the screw, sealed sucking disc (15) inboard center wears to be equipped with rotary tube (14), rotary tube (14) inboard integrated into one piece has cyclic annular ash suction hole (17), ash suction hole (17) central part is formed with the cavity, rotary tube (14) are kept away from sealed sucking disc (15) one end outer loop side integrated into one piece has steam jet orifice (16), rotary tube (14) outer loop side is provided with rotary brush roller (13), correspond between rotary brush roller (13) rotary tube (14) the position bore is equipped with spacing hole (18), vertical board (2) upper end center is provided with lift motor (8), vertical board (2) inboard center is equipped with cyclic annular ash suction hole (17), be equipped with on the guide arm (6) side is close to one side of the guide arm (6) center (6), the rotary joint is characterized in that a steam inlet pipe (20) is arranged on the other side of the rotary joint (11), one end, away from the rotary joint (11), of the dust collection pipe (12) is connected with an ash storage tank (3), and a negative pressure fan (4) is arranged on one side of the ash storage tank (3).
2. An industrial boiler plant cleaning device according to claim 1, characterized in that: the ash storage tank is characterized in that a bottom plate (1) is arranged on the lower side of the ash storage tank (3), a limiting block (21) is arranged on one side, close to the vertical plate (2), of the lifting plate (7), guide rail sleeves (22) are symmetrically arranged on the limiting block (21), and a rotating motor (9) is connected to one side of the right-angle speed reducer (10) through screws.
3. An industrial boiler plant cleaning device according to claim 2, characterized in that: sealing washer (19) has been glued to sealing chuck (15) be close to rotatory brush roll (13) one side, guide rail cover (22) with stopper (21) interference connection, lifter plate (7) with vertical board (2) are through guide rail cover (22) are followed guide arm (6) upper and lower sliding connection.
4. An industrial boiler plant cleaning device according to claim 3, characterized in that: lifting plate (7) with right angle reduction gear (10) pass through the screw connection, rotatory brush roll (13) with rotate tub (14) and pass through the screw connection, rotate tub (14) with rotary joint (11) pass through mechanical seal and connect.
5. An industrial boiler plant cleaning device according to claim 1, characterized in that: the lifting motor (8) is connected with the screw rod (5) through a coupling, the dust collection pipe (12) is connected with the rotary joint (11) through threads, and the dust collection pipe (12) is connected with the ash storage tank (3) through threads.
6. An industrial boiler plant cleaning device according to claim 2, characterized in that: negative pressure fan (4) with ash storage jar (3) pass through flange joint, bottom plate (1) downside four corners is provided with the auto-lock universal wheel through the screw, bottom plate (1) with vertical board (2) are all made for the stainless steel.
7. An industrial boiler plant cleaning device according to claim 4, characterized in that: the lifting plate (7) is made of aluminum alloy, an opening and closing valve is arranged on the steam inlet pipe (20), and the steam inlet pipe (20) is connected with external high-pressure steam equipment.
8. An industrial boiler plant cleaning device according to claim 6, characterized in that: the upper end and the lower end of the screw rod (5) are connected with the vertical plate (2) through bearings, and an ash discharging cover is arranged at one end of the ash storage tank (3).
9. An industrial boiler plant cleaning device according to claim 8, characterized in that: the connection position of the negative pressure fan (4) and the ash storage tank (3) is provided with a sealing gasket (19), and the length of the rotating pipe (14) is provided with a plurality of specifications.
10. The method of using an industrial boiler plant cleaning apparatus according to claim 2, wherein: when the industrial boiler is cleaned, the cover plates at the two end sides of the industrial boiler are removed, then the height is adjusted by the lifting motor (8), the lifting motor (8) drives the screw rod (5) to rotate, then the lifting plate (7) moves up and down along the guide rod (6), then the height of the rotating tube (14) on the lifting plate (7) is accurately adjusted, the levelness of the rotating tube (14) is ensured, the cleaning effect of the rotating tube (14) after the rotating tube (14) is inserted into the heating tube is ensured, the heating tube is prevented from being damaged, the rotating motor (9) drives the rotating tube (14) to rotate by the right-angle speed reducer (10) after the rotating tube (14) is inserted into the heating tube, and then the rotary brush roller (13) is used for rotationally cleaning the inner side wall of the heating pipe, the cleaning quality is improved, the negative pressure fan (4) is started while cleaning, the negative pressure fan (4) pumps the interior of the ash storage tank (3) into negative pressure, and then the interior of the ash storage tank (3) forms negative pressure, so that the cleaned dust in the heating pipe enters the ash storage tank (3) for storage under the action of the negative pressure through the dust suction pipe (12), the cleaning step is simplified, the cleaning efficiency is improved, the influence of the dust floating everywhere on the air quality is avoided, after a certain time of cleaning, the steam inlet pipe (20) is connected with high-pressure steam equipment, high-pressure hot steam enters the inner side of the rotating pipe (14) through the steam inlet pipe (20) and is sprayed out through the steam spray holes (16), so that the inner side wall of the heating pipe is purged, and the cleaning cleanliness is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212165.7A CN112484059B (en) | 2020-11-03 | 2020-11-03 | Industrial boiler equipment cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011212165.7A CN112484059B (en) | 2020-11-03 | 2020-11-03 | Industrial boiler equipment cleaning device and method |
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| CN112484059A CN112484059A (en) | 2021-03-12 |
| CN112484059B true CN112484059B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011212165.7A Active CN112484059B (en) | 2020-11-03 | 2020-11-03 | Industrial boiler equipment cleaning device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113857148B (en) * | 2021-09-18 | 2023-04-25 | 刘云亮 | Dustproof and dehumidifying device for industrial equipment and application method of dustproof and dehumidifying device |
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|---|---|---|---|---|
| GB268611A (en) * | 1926-07-14 | 1927-04-07 | John Henry Reedy | Improvements in soot blowers |
| CN102357492A (en) * | 2011-07-25 | 2012-02-22 | 中国石油集团渤海石油装备制造有限公司 | Spinning purging device for inner wall of steel pipe |
| CN107282557A (en) * | 2017-08-21 | 2017-10-24 | 常州市优谷精密机械股份有限公司 | A kind of cleaning device of generator hollow cooler |
| CN210662889U (en) * | 2019-06-03 | 2020-06-02 | 福建省烟草公司三明市公司 | Ash removal device for furnace tube of tobacco flue-curing house |
| CN211824043U (en) * | 2019-12-13 | 2020-10-30 | 南京扬子检修安装有限责任公司 | Cleaning device for heat exchange tube |
-
2020
- 2020-11-03 CN CN202011212165.7A patent/CN112484059B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB268611A (en) * | 1926-07-14 | 1927-04-07 | John Henry Reedy | Improvements in soot blowers |
| CN102357492A (en) * | 2011-07-25 | 2012-02-22 | 中国石油集团渤海石油装备制造有限公司 | Spinning purging device for inner wall of steel pipe |
| CN107282557A (en) * | 2017-08-21 | 2017-10-24 | 常州市优谷精密机械股份有限公司 | A kind of cleaning device of generator hollow cooler |
| CN210662889U (en) * | 2019-06-03 | 2020-06-02 | 福建省烟草公司三明市公司 | Ash removal device for furnace tube of tobacco flue-curing house |
| CN211824043U (en) * | 2019-12-13 | 2020-10-30 | 南京扬子检修安装有限责任公司 | Cleaning device for heat exchange tube |
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