CN110948402A - Dust removal type sand blasting construction method for thermal power plant - Google Patents

Dust removal type sand blasting construction method for thermal power plant Download PDF

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Publication number
CN110948402A
CN110948402A CN201911213413.7A CN201911213413A CN110948402A CN 110948402 A CN110948402 A CN 110948402A CN 201911213413 A CN201911213413 A CN 201911213413A CN 110948402 A CN110948402 A CN 110948402A
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CN
China
Prior art keywords
pipe
dust removal
dust
sand blasting
cylinder body
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.)
Pending
Application number
CN201911213413.7A
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Chinese (zh)
Inventor
任永双
袁晓凯
吴伟平
郑九德
陈鹏
童文军
陈强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Eenergy Engineering Group Anhui No1 Electric Power Construction Co ltd
Original Assignee
China Eenergy Engineering Group Anhui No1 Electric Power Construction Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Eenergy Engineering Group Anhui No1 Electric Power Construction Co ltd filed Critical China Eenergy Engineering Group Anhui No1 Electric Power Construction Co ltd
Priority to CN201911213413.7A priority Critical patent/CN110948402A/en
Publication of CN110948402A publication Critical patent/CN110948402A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • B24C9/003Removing abrasive powder out of the blasting machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086Descaling; Removing coating films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

Abstract

The invention discloses a dust removal type sand blasting construction method of a thermal power plant, a dust removal device is installed in step S3 and comprises a shell mechanism and a dust removal mechanism, the shell mechanism comprises a cylinder body, a conical cylinder body, an overflow pipe, a drain pipe, a manhole door, a rain cover, a dust filtering net, a bottom plate, a water replenishing pipe, a liquid level meter and a connecting pipe, the dust removal mechanism comprises a dust removal pipe, a spiral steel pipe, a square pipe, a flange, an axial flow fan, a stainless steel screen and a motor, the axial flow fan discharges air containing dust in sand blasting into the dust removal mechanism in the using process of the dust removal device, the dust in the air is filtered by a water film in the dust removal mechanism and then discharged through the spiral steel pipe and the square pipe, a water ring throttling device is installed at the outlet of the square pipe, water drops carried by airflow form water mist under the action of the water ring throttling device during discharging, secondary filtering of discharged gas is completed, and the dust in the air is filtered by, the dust is settled to the bottom of the cylinder body and then discharged to a settling pond through a blow-down valve.

Description

Dust removal type sand blasting construction method for thermal power plant
Technical Field
The invention belongs to the technical field of environmental protection and dust removal, and particularly relates to a dust removal type sand blasting construction method for a thermal power plant.
Background
The sand blasting is one of the on-site rust removal methods for pipelines and equipment in a thermal power plant. The sand blasting and rust removing are implemented by taking compressed air as power to form a high-speed jet beam to jet spray materials (garnet sand, copper ore sand, quartz sand, carborundum, iron sand and Hainan sand) to the surface of a workpiece to be treated at a high speed so as to change the appearance or shape of the outer surface of the workpiece surface; with the increasing importance on environmental protection in recent years, the traditional open-air sand blasting operation has been banned;
the Chinese patent CN104907940A discloses a sand blasting dust removal device, which comprises a sand blasting chamber body, wherein the bottom of the sand blasting chamber body is respectively provided with a floor grid, a honeycomb recovery floor and a shot material conveying air pipe from the upper layer to the lower layer; the dust remover is connected with the fan, and the top of the fan is provided with a chimney.
Disclosure of Invention
In order to overcome the technical problems, the invention provides a dust removal type sand blasting construction method for a thermal power plant.
The technical problems to be solved by the invention are as follows:
traditional sandblast operation can cause the pollution to the environment, and the processing can increase construction cost is entrusted in the outward transportation, can't solve the vehicle transportation of going out moreover, reduces the problem of dust, automobile exhaust emission, can't satisfy construction quality, progress needs promptly, is not conform to environmental protection's demand, leads to the wasting of resources.
The purpose of the invention can be realized by the following technical scheme:
a dust removal type sand blasting construction method for a thermal power plant comprises the following steps:
step S1, erecting a sand blasting room with the size of 8m multiplied by 10m multiplied by 5m, adopting channel steel and angle steel as frameworks when the sand blasting room is erected, paving a profiled color steel plate on the top and the side, using self-tapping screws as connecting pieces to fix the color plate on the angle steel, and sealing the peripheral seams of the profiled color steel plate by corner wrapping plates;
step S2, laying two tracks, and arranging a stopper at the end part of the two tracks when laying the tracks;
step S3, installing a dust removal device:
the method comprises the following steps that firstly, a conical barrel is installed at the top end of the barrel and matched with the barrel, a bottom plate is installed at the bottom end of the barrel, the barrel is matched with the bottom plate, the barrel and the bottom plate are installed in a sealing mode, an overflow pipe, a drain pipe and a water replenishing pipe are installed on the side surface of the barrel, the water replenishing pipe, the overflow pipe and the drain pipe are sequentially installed from top to bottom, and the water replenishing pipe, the overflow pipe and the drain;
secondly, the dust removal pipe and the spiral steel pipe are installed inside the cylinder body, the bottom end of the dust removal pipe is fixed on the upper surface of the bottom plate, the bottom end of the dust removal pipe is fixed with the bottom plate, the top end of the dust removal pipe is connected with the spiral steel pipe, one end of the spiral steel pipe is communicated with the dust removal pipe, the other end of the spiral steel pipe is connected with a square pipe, and one end of the square pipe is communicated with the;
s4, debugging the axial flow fan, controlling the air pressure of the axial flow fan to be 2000-3000 Pa, and installing a stainless steel screen at an air inlet of the fan;
step S5, performing sand blasting on the component, and performing dust removal through a dust removal device in the sand blasting process, wherein the dust removal process is as follows:
during the sandblast operation, the dust removal mechanism is gone into to the air that contains the dust between the sandblast by axial fan to dust in the air is filtered by the water film in it, and then discharge through spiral steel pipe and square pipe, install water ring throttling arrangement in square pipe export, the drop of water that the air current had forms water smoke under water ring throttling arrangement's effect during the exhaust, accomplish the secondary filter to exhaust gas, and filter the dust in the air by the water film in it, the dust deposits to barrel bottom and discharges to the sedimentation tank by the blowoff valve again.
Further, the side of the member entering and exiting the grit blast booth was suspended curtains, each overlapping 1/5 widths.
Further, the dust removing device in the step S3 includes a housing mechanism and a dust removing mechanism;
the shell mechanism comprises a barrel, a conical barrel, an overflow pipe, a drain pipe, a manhole door, a rain cover, a dust filtering net, a bottom plate, a water replenishing pipe, a liquid level meter and a connecting pipe, wherein the conical barrel is installed at the top end of the barrel, the bottom plate is installed at the bottom end of the barrel, the barrel is matched with the bottom plate, the barrel and the bottom plate are installed in a sealing mode, the overflow pipe, the drain pipe and the water replenishing pipe are installed on the side surface of the barrel, the manhole door is installed at the bottom end of the front surface of the barrel, the manhole door is communicated with the barrel, the connecting pipe is installed at the top end of the conical barrel, the bottom end of the connecting pipe is;
dust removal mechanism is including removing dust the pipe, the spiral steel pipe, square pipe, the flange, axial fan, stainless steel screen cloth and motor, it all installs inside the barrel to remove dust pipe and spiral steel pipe, it is fixed at the bottom plate upper surface to remove dust socle end, it is fixed with the bottom plate to remove dust socle end, spiral steel pipe is connected to the dust removal socle top, spiral steel pipe one end and dust removal pipe intercommunication, the square pipe is connected to the spiral steel pipe other end side, square pipe one end and spiral steel pipe intercommunication, the square pipe other end passes through the flange and is connected with axial fan, axial fan one end is connected the motor, axial fan other end intercommunication tuber pipe, the inside below between the sandblast is installed to the.
Furthermore, one side of the dust removing mechanism is arranged inside the shell mechanism, one end of the dust removing mechanism is arranged inside the shell mechanism, and the other end of the dust removing mechanism is arranged in the sand blasting room.
Further, barrel and circular cone barrel cooperation, moisturizing pipe, overflow pipe and drain pipe are installed from last down in proper order, and moisturizing pipe, overflow pipe and drain pipe all communicate with the barrel.
The invention has the beneficial effects that:
(1) the invention relates to a dust removal type sand blasting construction method of a thermal power plant, a dust removal device is arranged in a step S3 and comprises a shell mechanism and a dust removal mechanism, wherein the shell mechanism comprises a cylinder body, a conical cylinder body, an overflow pipe, a drain pipe, a manhole door, a rain cover, a dust filtering net, a bottom plate, a water replenishing pipe, a liquid level meter and a connecting pipe, the dust removal mechanism comprises a dust removal pipe, a spiral steel pipe, a square pipe, a flange, an axial flow fan, a stainless steel screen and a motor, the axial flow fan discharges air containing dust in a sand blasting room into the dust removal mechanism in the using process of the dust removal device, the dust in the air is filtered by a water film in the dust removal mechanism and then discharged through the spiral steel pipe and the square pipe, a water ring throttling device is arranged at the outlet of the square pipe, water drops carried by an air flow form water mist under the action of the water ring throttling device during the discharging process, secondary filtering of discharged air, the dust is precipitated to the bottom of the cylinder body and then discharged to a sedimentation tank through a drain valve;
(2) the invention is provided with the axial flow type pressure extraction fan, thereby avoiding the formation of air flow flocculation caused by the traditional press-in type ventilation, increasing the visibility of an operation area, improving the construction efficiency, improving the sand blasting operation environment, reducing the harm of the traditional sand blasting operation to human bodies, arranging the water ring throttling device at the outlet of the square pipe, forming water mist by water drops carried by air flow under the action of the water ring throttling device during exhaust, completing the secondary filtration of the exhaust gas, further filtering dust, and adopting the method to carry out sand blasting operation, thereby solving the pollution of the traditional sand blasting operation to the environment, increasing the construction cost without external transportation entrustment processing, avoiding the vehicle transportation outside, reducing the emission of dust and automobile tail gas, meeting the construction quality and progress requirements, meeting the requirement of environmental protection and avoiding the resource waste.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a flow chart of a dust removal type sand blasting construction method of a thermal power plant according to the present invention;
FIG. 2 is a schematic view of the dust removing device;
fig. 3 is a schematic structural diagram of the housing mechanism in fig. 2.
In the figure: 1. a housing mechanism; 11. a barrel; 12. a conical cylinder; 13. an overflow pipe; 14. a drain pipe; 15. a manhole door; 16. a rain cover; 17. a dust filter screen; 18. a base plate; 19. a water replenishing pipe; 110. a liquid level meter; 111. a connecting pipe; 2. a dust removal mechanism; 21. a dust removal pipe; 22. a spiral steel pipe; 23. a square tube; 24. a flange; 25. an axial flow fan; 26. a stainless steel screen; 27. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A dust removal type sand blasting construction method for a thermal power plant comprises the following steps:
step S1, erecting a sand blasting room with the size of 8m multiplied by 10m multiplied by 5m, adopting channel steel and angle steel as frameworks when the sand blasting room is erected, paving a profiled color steel plate on the top and the side, using self-tapping screws as connecting pieces to fix the color plate on the angle steel, and sealing the peripheral seams of the profiled color steel plate by corner wrapping plates;
one side of the component entering and exiting the sand blasting room adopts a suspended thickened door curtain, and each door curtain is overlapped by 1/5 width; not only can block sand from splashing, but also can ensure timely circulation of air, thereby increasing the visibility between sandblasting and reducing the damage of dust to operating personnel.
Step S2, laying two tracks, and arranging a stopper at the end part of the two tracks when laying the tracks;
in order to facilitate the movement and the turnover of the component between the sand blasting, two rails can be laid according to the size of the component, and a stopper is arranged at the end part of the rail when the rail is laid, so that the component is prevented from being separated from the rail or injuring people.
Step S3, installing a dust removal device:
the method comprises the following steps that firstly, a conical barrel is installed at the top end of the barrel and matched with the barrel, a bottom plate is installed at the bottom end of the barrel, the barrel is matched with the bottom plate, the barrel and the bottom plate are installed in a sealing mode, an overflow pipe, a drain pipe and a water replenishing pipe are installed on the side surface of the barrel, the water replenishing pipe, the overflow pipe and the drain pipe are sequentially installed from top to bottom, and the water replenishing pipe, the overflow pipe and the drain;
secondly, the dust removal pipe and the spiral steel pipe are installed inside the cylinder body, the bottom end of the dust removal pipe is fixed on the upper surface of the bottom plate, the bottom end of the dust removal pipe is fixed with the bottom plate, the top end of the dust removal pipe is connected with the spiral steel pipe, one end of the spiral steel pipe is communicated with the dust removal pipe, the other end of the spiral steel pipe is connected with a square pipe, and one end of the square pipe is communicated with the;
step S4, debugging the axial flow fan 25, controlling the air pressure of the axial flow fan 25 to be 2000Pa-3000Pa, and installing a stainless steel screen at an air inlet of the fan;
the stainless steel screen is additionally arranged at the air inlet of the fan, so that the blades are prevented from being splashed by sand.
Step S5, performing sand blasting on the component, and performing dust removal through a dust removal device in the sand blasting process, wherein the dust removal process is as follows:
during the sandblast operation, the dust removal mechanism is gone into to the air that contains the dust between the sandblast by axial fan to dust in the air is filtered by the water film in it, and then discharge through spiral steel pipe and square pipe, install water ring throttling arrangement in square pipe export, the drop of water that the air current had forms water smoke under water ring throttling arrangement's effect during the exhaust, accomplish the secondary filter to exhaust gas, and filter the dust in the air by the water film in it, the dust deposits to barrel bottom and discharges to the sedimentation tank by the blowoff valve again.
Referring to fig. 1-3, the dust removing device of the present invention includes a housing mechanism 1 and a dust removing mechanism 2, wherein one side of the dust removing mechanism 2 is installed inside the housing mechanism 1, one end of the dust removing mechanism 2 is installed inside the housing mechanism 1, and the other end of the dust removing mechanism 2 is installed inside a sand blasting room;
as shown in fig. 2-3, the housing mechanism 1 comprises a cylinder 11, a conical cylinder 12, an overflow pipe 13, a drain pipe 14, a manhole door 15, a rain cover 16, a dust filter 17, a bottom plate 18, a water replenishing pipe 19, a liquid level meter 110 and a connecting pipe 111, wherein the conical cylinder 12 is installed at the top end of the cylinder 11, the cylinder 11 is matched with the conical cylinder 12, the bottom end of the cylinder 11 is provided with the bottom plate 18, the cylinder 11 is matched with the bottom plate 18, the cylinder 11 is hermetically installed with the bottom plate 18, the overflow pipe 13, the drain pipe 14 and the water replenishing pipe 19 are installed on the side surface of the cylinder 11, the water replenishing pipe 19, the overflow pipe 13 and the drain pipe 14 are sequentially installed from top to bottom, the water replenishing pipe 19, the overflow pipe 13 and the drain pipe 14 are all communicated with the cylinder 11, the manhole door 15 is installed at the bottom end of the front surface of the cylinder 11, a dust filter 17 is arranged at the top end of the connecting pipe 111, the dust filter 17 is matched with the top end of the connecting pipe 111, and a rain cover 16 is arranged above the connecting pipe 111;
as shown in fig. 2, the dust removing mechanism 2 includes a dust removing pipe 21, a spiral steel pipe 22, a square pipe 23, a flange 24, an axial flow fan 25, a stainless steel screen 26 and a motor 27, the dust removing pipe 21 and the spiral steel pipe 22 are both installed inside the cylinder 11, the bottom end of the dust removing pipe 21 is fixed on the upper surface of the bottom plate 18, the bottom end of the dust removing pipe 21 is fixed with the bottom plate 18, the top end of the dust removing pipe 21 is connected with the spiral steel pipe 22, one end of the spiral steel pipe 22 is communicated with the dust removing pipe 21, the other end of the spiral steel pipe 22 is connected with the square pipe 23, one end of the square pipe 23 is communicated with the spiral steel pipe 22, the other end of the square pipe 23 is connected with the axial flow fan 25 through the flange 24, one end of the axial flow.
The working process and principle of the dust removing device are as follows:
firstly, installing a conical barrel body 12 at the top end of a barrel body 11, matching the barrel body 11 with the conical barrel body 12, installing a bottom plate 18 at the bottom end of the barrel body 11, matching the barrel body 11 with the bottom plate 18, installing the barrel body 11 and the bottom plate 18 in a sealing manner, installing an overflow pipe 13, a drain pipe 14 and a water replenishing pipe 19 on the side surface of the barrel body 11, sequentially installing the water replenishing pipe 19, the overflow pipe 13 and the drain pipe 14 from top to bottom, and communicating the water replenishing pipe 19, the overflow pipe 13 and the drain pipe 14 with;
secondly, the dust removal pipe 21 and the spiral steel pipe 22 are both arranged inside the cylinder 11, the bottom end of the dust removal pipe 21 is fixed on the upper surface of the bottom plate 18, the bottom end of the dust removal pipe 21 is fixed with the bottom plate 18, the top end of the dust removal pipe 21 is connected with the spiral steel pipe 22, one end of the spiral steel pipe 22 is communicated with the dust removal pipe 21, the other end of the spiral steel pipe 22 is connected with the square pipe 23, and one end of the square pipe 23 is communicated with;
and thirdly, during sand blasting operation, discharging the air containing dust in the sand blasting room into the dust removing mechanism 2 by an axial flow fan 25, filtering the dust in the air by a water film in the dust removing mechanism, discharging the dust through a spiral steel pipe 22 and a square pipe 23, installing a water ring throttling device at the outlet of the square pipe 23, forming water mist by water drops carried by airflow under the action of the water ring throttling device during exhaust, finishing secondary filtration of discharged gas, filtering the dust in the air by the water film in the dust removing mechanism, precipitating the dust to the bottom of the cylinder body 11, and discharging the dust to a precipitation tank by a blowdown valve.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims (5)

1. A dust removal type sand blasting construction method for a thermal power plant is characterized by comprising the following steps:
step S1, erecting a sand blasting room with the size of 8m multiplied by 10m multiplied by 5m, adopting channel steel and angle steel as frameworks when the sand blasting room is erected, paving a profiled color steel plate on the top and the side, using self-tapping screws as connecting pieces to fix the color plate on the angle steel, and sealing the peripheral seams of the profiled color steel plate by corner wrapping plates;
step S2, laying two tracks, and arranging a stopper at the end part of the two tracks when laying the tracks;
step S3, installing a dust removal device:
the method comprises the following steps that firstly, a conical barrel body (12) is installed at the top end of a barrel body (11), the barrel body (11) is matched with the conical barrel body (12), a bottom plate (18) is installed at the bottom end of the barrel body (11), the barrel body (11) is matched with the bottom plate (18), the barrel body (11) and the bottom plate (18) are installed in a sealing mode, an overflow pipe (13), a drain pipe (14) and a water replenishing pipe (19) are installed on the side surface of the barrel body (11), the water replenishing pipe (19), the overflow pipe (13) and the drain pipe (14) are installed sequentially from top to bottom, and the water replenishing pipe (19), the overflow pipe (13;
secondly, the dust removal pipe (21) and the spiral steel pipe (22) are installed inside the cylinder body (11), the bottom end of the dust removal pipe (21) is fixed to the upper surface of the bottom plate (18), the bottom end of the dust removal pipe (21) is fixed to the bottom plate (18), the top end of the dust removal pipe (21) is connected with the spiral steel pipe (22), one end of the spiral steel pipe (22) is communicated with the dust removal pipe (21), the other end of the spiral steel pipe (22) is connected with the square pipe (23), and one end of the square pipe (23) is communicated with the spiral steel pipe (22;
s4, debugging the axial flow fan (25), controlling the air pressure of the axial flow fan (25) to be 2000Pa-3000Pa, and installing a stainless steel screen (26) at an air inlet of the fan;
step S5, performing sand blasting on the component, and performing dust removal through a dust removal device in the sand blasting process, wherein the dust removal process is as follows:
during the sandblast operation, the air that contains the dust between the sandblast is discharged into dust removal mechanism (2) by axial fan (25), and filter the dust in the air by the water film in it, discharge through steel pipe (22) and square pipe (23) soon, install water ring throttling arrangement at square pipe (23) export, the drop of water that the air current carried forms water smoke under water ring throttling arrangement's effect during the exhaust, accomplish the secondary filter to the exhaust gas, and filter the dust in the air by the water film in it, the dust deposits to barrel (11) bottom and discharges to the sedimentation tank by the blowoff valve again.
2. The thermal power plant dust removal type sand blasting construction method as claimed in claim 1, wherein a hanging door curtain is adopted at one side of the member entering and exiting the sand blasting room, and each door curtain is overlapped 1/5-wide.
3. The thermal power plant dust removal type sand blasting construction method as claimed in claim 1, wherein the dust removing device in step S3 comprises a housing means (1) and a dust removing means (2);
the shell mechanism (1) comprises a cylinder body (11), a conical cylinder body (12), an overflow pipe (13), a drain pipe (14), a manhole door (15), a rain cover (16), a dust filtering net (17), a bottom plate (18), a water replenishing pipe (19), a liquid level meter (110) and a connecting pipe (111), wherein the conical cylinder body (12) is installed at the top end of the cylinder body (11), the bottom end of the cylinder body (11) is provided with the bottom plate (18), the cylinder body (11) is matched with the bottom plate (18), the cylinder body (11) and the bottom plate (18) are hermetically installed, the overflow pipe (13), the drain pipe (14) and the water replenishing pipe (19) are installed on the side surface of the cylinder body (11), the manhole door (15) is installed at the bottom end of the front surface of the cylinder body (11), the manhole door (15) is communicated with the cylinder body (11), the connecting pipe (111) is installed at the top end of the conical cylinder body (12, the dust filtering net (17) is matched with the top end of the connecting pipe (111), and a rain cover (16) is arranged above the connecting pipe (111);
the dust removal mechanism (2) comprises a dust removal pipe (21), a spiral steel pipe (22), a square pipe (23), a flange (24), an axial flow fan (25), a stainless steel screen mesh (26) and a motor (27), wherein the dust removal pipe (21) and the spiral steel pipe (22) are both arranged inside the barrel body (11), the bottom end of the dust removal pipe (21) is fixed on the upper surface of the bottom plate (18), the bottom end of the dust removal pipe (21) is fixed with the bottom plate (18), the top end of the dust removal pipe (21) is connected with the spiral steel pipe (22), one end of the spiral steel pipe (22) is communicated with the dust removal pipe (21), the other end of the spiral steel pipe (22) is connected with the square pipe (23), one end of the square pipe (23) is communicated with the spiral steel pipe (22), the other end of the square pipe (23) is connected with the axial flow fan (25) through the flange (24), one end of the, a stainless steel screen (26) is arranged at the joint between the air pipe and the sand blasting chamber.
4. The thermal power plant dust removal type sand blasting construction method according to claim 3, wherein one side of the dust removal mechanism (2) is installed inside the housing mechanism (1), one end of the dust removal mechanism (2) is installed inside the housing mechanism (1), and the other end of the dust removal mechanism (2) is installed inside the sand blasting room.
5. The thermal power plant dust removal type sand blasting construction method according to claim 3, wherein the barrel (11) is engaged with the conical barrel (12), the water replenishing pipe (19), the overflow pipe (13) and the water discharge pipe (14) are installed in sequence from top to bottom, and the water replenishing pipe (19), the overflow pipe (13) and the water discharge pipe (14) are all communicated with the barrel (11).
CN201911213413.7A 2019-12-02 2019-12-02 Dust removal type sand blasting construction method for thermal power plant Pending CN110948402A (en)

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Application Number Priority Date Filing Date Title
CN201911213413.7A CN110948402A (en) 2019-12-02 2019-12-02 Dust removal type sand blasting construction method for thermal power plant

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Application Number Priority Date Filing Date Title
CN201911213413.7A CN110948402A (en) 2019-12-02 2019-12-02 Dust removal type sand blasting construction method for thermal power plant

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Publication Number Publication Date
CN110948402A true CN110948402A (en) 2020-04-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555236Y2 (en) * 1977-05-09 1980-02-06
CN204382108U (en) * 2014-12-25 2015-06-10 常州银河电器有限公司 Implement the final dusting device of the vacuum peening machine of wafer thinning process
CN204447642U (en) * 2014-12-31 2015-07-08 中国化学工程第三建设有限公司 A kind of sand blasting room dust arrester
CN107378793A (en) * 2017-07-13 2017-11-24 江苏龙发铸造除锈设备有限公司 Derusting shot blasting machine
CN206824366U (en) * 2017-05-09 2018-01-02 湖北金环新材料科技有限公司 The dust arrester installed and used between derusting by sandblasting
CN108544381A (en) * 2018-01-19 2018-09-18 金晓奕 A kind of dust treatment system of standard component workshop

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555236Y2 (en) * 1977-05-09 1980-02-06
CN204382108U (en) * 2014-12-25 2015-06-10 常州银河电器有限公司 Implement the final dusting device of the vacuum peening machine of wafer thinning process
CN204447642U (en) * 2014-12-31 2015-07-08 中国化学工程第三建设有限公司 A kind of sand blasting room dust arrester
CN206824366U (en) * 2017-05-09 2018-01-02 湖北金环新材料科技有限公司 The dust arrester installed and used between derusting by sandblasting
CN107378793A (en) * 2017-07-13 2017-11-24 江苏龙发铸造除锈设备有限公司 Derusting shot blasting machine
CN108544381A (en) * 2018-01-19 2018-09-18 金晓奕 A kind of dust treatment system of standard component workshop

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Application publication date: 20200403