CN112691875A - Urban sewer pipeline anticorrosion process method - Google Patents

Urban sewer pipeline anticorrosion process method Download PDF

Info

Publication number
CN112691875A
CN112691875A CN202011513042.7A CN202011513042A CN112691875A CN 112691875 A CN112691875 A CN 112691875A CN 202011513042 A CN202011513042 A CN 202011513042A CN 112691875 A CN112691875 A CN 112691875A
Authority
CN
China
Prior art keywords
slurry
pipeline
anticorrosion
spraying
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011513042.7A
Other languages
Chinese (zh)
Inventor
李占群
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011513042.7A priority Critical patent/CN112691875A/en
Publication of CN112691875A publication Critical patent/CN112691875A/en
Withdrawn legal-status Critical Current

Links

Images

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to an anticorrosion process method for an urban sewer pipeline, which comprises the following steps: stirring the slurry: mixing and stirring a plurality of antirust materials by a stirring device (A1) to obtain proper antirust slurry; slurry conveying: the slurry treated by the A is conveyed into a spraying device through a slurry conveying device (B1); corrosion prevention of the pipeline: carrying out rust removal and polishing treatment on the inner wall of the pipeline by using anticorrosion equipment (C1) to enable the inner wall of the pipeline to have spraying conditions, spraying the slurry treated by the step B onto the inner wall of the pipeline, and finally drying the inner wall of the pipeline sprayed with the anticorrosion slurry; the operation procedures in the steps A-C of the anticorrosion process method need the matching of stirring equipment, slurry conveying equipment and anticorrosion equipment to complete corresponding treatment operations, wherein: anticorrosive equipment includes anticorrosive polisher, anticorrosive polisher includes fixed disk, drying-machine, spraying portion and the portion of polishing, spraying portion includes cylindrical shell, axis of rotation, rotation fan and a plurality of spraying assembly.

Description

Urban sewer pipeline anticorrosion process method
Technical Field
The invention relates to the field of pipeline corrosion prevention, in particular to an urban sewer pipeline corrosion prevention process method.
Background
The corrosion is a difficult problem in various industries, and particularly, gas and liquid conveyed in gas and water pipelines contain corrosive substances, so that the anticorrosion treatment of the inner wall of the pipeline is particularly important. At present, when carrying out anticorrosive treatment to the pipeline inner wall, adopt the manual work to paint mostly, but the anticorrosive step of pipeline inner wall is various to the pipeline is longer thinner, and the manpower is paintd inconveniently, and work efficiency is low, and can't effectively guarantee that the pipeline inner wall paints evenly, what ever the rust cleaning of earlier stage in addition is polished and is dried.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to the practical requirements and provide an urban sewer pipeline anticorrosion process method so as to solve the technical problems.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is that the urban underground water pipeline anticorrosion process method comprises the following steps:
A. stirring the slurry: mixing and stirring a plurality of antirust materials by stirring equipment to obtain proper antirust slurry;
B. slurry conveying: conveying the slurry treated by the step A into spraying equipment through slurry conveying equipment;
C. corrosion prevention of the pipeline: carrying out rust removal and polishing treatment on the inner wall of the pipeline through anticorrosive equipment to enable the inner wall of the pipeline to have spraying conditions, spraying the slurry treated by the B treatment onto the inner wall of the pipeline, and finally drying the inner wall of the pipeline sprayed with the anticorrosive slurry;
the operation procedures in the steps A-C of the anticorrosion process method need the matching of stirring equipment, slurry conveying equipment and anticorrosion equipment to complete corresponding treatment operations, wherein:
the stirring equipment in the step A comprises a stirrer and an electric cabinet, wherein a middle-shaped stirring rod is arranged in the stirrer;
the slurry conveying equipment in the step B comprises a slurry pump, an electric sleeve and a telescopic conveying pipe, wherein the slurry pump is fixedly connected to the middle position of the bottom plate through a trapezoidal fixing frame, the electric sleeve is fixedly connected to the right end of the bottom plate through a fixing frame, and the left end of the telescopic conveying pipe is detachably connected with the slurry pump;
the anti-corrosion device in the step C comprises an anti-corrosion grinding machine, the anti-corrosion grinding machine comprises a fixed disc, a dryer, a spraying part and a grinding part, the spraying part comprises a cylindrical shell, a rotating shaft, a rotating fan and a plurality of spraying assemblies, the spraying assemblies penetrate through the cylindrical shell and are fixedly connected with the cylindrical shell, the rotating fan is fixedly connected with the rotating shaft, one end of the rotating shaft is rotatably connected with the cylindrical shell, the other end of the rotating shaft is fixedly connected with the grinding part, the fixed disc is fixedly connected with the electric sleeve, and the dryer is fixedly connected with the fixed disc; the right end of the telescopic conveying pipe penetrates through the fixed disc and the dryer to be fixedly connected with the cylindrical shell;
the dryer and the rotating shaft are connected with the electric cabinet circuit.
Preferably, the polishing part comprises a cylindrical polishing disc, a plurality of rectangular notches are formed in the cylindrical polishing disc, the rectangular notches are hinged to polishing assemblies, each polishing assembly comprises a connecting plate and a polishing piece, one end of each connecting plate is elastically hinged to the lower end of each rectangular notch, and the other end of each connecting plate is fixedly connected with the corresponding polishing piece.
Preferably, the polishing plate is D-shaped, is made of high-strength alloy, and has a plane radius smaller than a curved radius.
Preferably, an I-shaped flow guide part is arranged inside the joint of the slurry pump and the stirrer, the I-shaped flow guide part is hollow, the upper end of the I-shaped flow guide part is positioned inside the stirrer, and the lower end of the I-shaped flow guide part is positioned inside the slurry pump.
Preferably, the spraying component comprises an integrally formed balloon and a spraying pipe, a round notch is formed in the bottom of the balloon, and the balloon is made of rubber materials.
Preferably, the rotating fan comprises an annular ring and a plurality of oval fan blades, the oval fan blades are fixedly connected to the outer side of the annular ring, and the oval fan blades are made of rubber materials.
Preferably, the protruding part of the outer side of the I-shaped flow guide part is arc-shaped and is made of high polymer materials.
(3) Has the advantages that:
A. according to the urban sewer pipeline anticorrosion process method, the mode that the electric sleeve and the telescopic conveying pipe are matched with each other is adopted, so that anticorrosion equipment can be inserted into a long and thin pipeline, and further, the inner wall of the pipeline is subjected to anticorrosion treatment step by step.
B. According to the sewer anticorrosion process method, the anticorrosion polisher adopts a mode that various components are matched, so that the process flows of derusting, polishing, spraying and drying on the inner wall of the pipeline are realized, the labor loss is reduced, the efficiency is improved, and the anticorrosion treatment quality can be ensured.
Drawings
Fig. 1 is a schematic overall structure diagram of an express sorting device provided by the invention;
FIG. 2 is a schematic sectional view showing the connection relationship between the mixer and the slurry pump according to the embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic cross-sectional view of a spray coating portion according to the present invention;
FIG. 5 is a schematic structural view of a spray assembly provided by the present invention;
fig. 6 is a schematic structural view of a polishing portion provided by the present invention.
The reference numbers are as follows:
a1, stirring equipment; b1, slurry conveying equipment; c1, anticorrosion equipment;
1. a blender; 10. an electric cabinet; 11. a "medium" type stirring rod;
20. a slurry pump; 200. a trapezoidal fixing frame; 201. a base plate; 202. an I-shaped flow guide piece; 21. an electric bushing; 210. a fixed mount; 22. a telescopic conveying pipe;
3. an anti-corrosion sander; 30. fixing the disc; 31 a dryer; 32. a spraying section; 320. a cylindrical housing; 321. a rotating shaft; 322. rotating the fan; 3220. an annular ring; 3221. an elliptical fan blade; 323. a spray assembly; 3230. a balloon; 3231. a spray pipe; 3232. a circular notch; 33. a polishing part; 330. a cylindrical polishing disc; 331. a notch; 332. polishing the assembly; 3320. a connecting plate; 3321. grinding the sheets;
Detailed Description
The invention will be further described with reference to the accompanying figures 1 to 6 and examples:
an urban sewer pipeline anticorrosion process method comprises the following steps:
A. stirring the slurry: mixing and stirring a plurality of antirust materials by stirring equipment A1 to obtain proper antirust slurry;
B. slurry conveying: the slurry treated by the A is conveyed into a spraying device through a slurry conveying device B1;
C. corrosion prevention of the pipeline: carrying out rust removal and polishing treatment on the inner wall of the pipeline through an anticorrosion device C1 to enable the inner wall of the pipeline to have spraying conditions, spraying the slurry treated by the B onto the inner wall of the pipeline, and finally drying the inner wall of the pipeline sprayed with the anticorrosion slurry;
the operation procedures in the steps of the anticorrosion process method A-C need the mixing equipment A1, the slurry conveying equipment B1 and the anticorrosion equipment C1 to be matched to complete corresponding treatment operations, wherein:
the stirring equipment A1 in the step A comprises a stirrer 1 and an electric cabinet 10, wherein a middle-shaped stirring rod 11 is arranged in the stirrer 1;
the slurry conveying equipment B1 in the step B comprises a slurry pump 20, an electric sleeve 21 and a telescopic conveying pipe 22, wherein the slurry pump 20 is fixedly connected to the middle position of a bottom plate 201 through a trapezoid fixing frame 200, the electric sleeve 21 is fixedly connected to the right end of the bottom plate 201 through a fixing frame 210, and the left end of the telescopic conveying pipe 22 is detachably connected with the slurry pump 20;
the anticorrosion device C1 in step C includes an anticorrosion grinding machine 3, the anticorrosion grinding machine 3 includes a fixed disk 30, a dryer 31, a spraying part 32 and a grinding part 33, the spraying part 32 includes a cylindrical housing 320, a rotating shaft 321, a rotating fan 322 and a plurality of spraying components 323, the spraying components 323 penetrate the cylindrical housing 320 and are fixedly connected with the cylindrical housing, the rotating fan 322 is fixedly connected with the rotating shaft 321, one end of the rotating shaft 321 is rotatably connected with the cylindrical housing 320, the other end of the rotating shaft is fixedly connected with the grinding part 33, the fixed disk 30 is fixedly connected with the electric sleeve 21, and the dryer 31 is fixedly connected with the fixed disk 30; the right end of the telescopic conveying pipe 22 penetrates through the fixed disc 30 and the dryer 31 to be fixedly connected with the cylindrical shell 320;
the dryer 31 and the rotating shaft 321 are electrically connected to the electric cabinet 10.
When the preservative mixing device is used specifically, after a preservative mixing material prepared in advance is added into the stirring machine 1, the preservative mixing material is opened through the electric control box 10, the stirring rod 11 in the 'middle' shape starts to stir, in the stirring process, the pressure in the stirring machine 1 is larger than the pressure in the slurry pump 20, the 'I' -shaped flow guide member 202 is pressed downwards by the pressure, so that the upper end of the flow guide member tightly plugs the slurry outlet at the lower end of the stirring machine 1, the situation that the non-stirred and formed slurry flows into the slurry pump 20 is avoided, when the stirring machine 1 stops, the 'I' -shaped flow guide member 202 rebounds and the slurry flows into the slurry pump 20, in the conveying process of the slurry pump 20, if too much slurry is fed into the slurry pump 20, the buoyancy at the bottom of the flow guide member is larger than the pressure in the stirring machine 1, the 'I' -shaped flow guide member 202 moves upwards to plug the feed inlet of the slurry pump 20, the situation that the too much slurry flows into to cause the failure of the slurry pump, after the electric cabinet 10 is started integrally, in the process of advancing the anticorrosion grinding machine 3, the grinding component 332 is opened from one side of the notch 331 by the grinding part 33 under the action of the rotating centrifugal force, due to the radius difference between the plane of the grinding sheet 3321 and the cambered surface, the rust is removed from the plane of the grinding sheet 3321 when the inner wall is well rusted, the cambered surface polishes the inner wall in the subsequent rotation, the elliptical fan blade 3221 rotating in the spraying part 32 at the left end of the grinding part 33 is driven by the rotating shaft 321 to rotate and extrude the balloon 3230 after contacting the balloon 3230, the slurry in the balloon 3230 is sprayed to the inner wall of the pipeline through the spraying pipe 3231 by the extrusion force, after the elliptical fan blade 3221 is separated from the balloon 3230, the balloon 3230 forms an attraction force to the slurry in the cylindrical shell 320 in the recovery process, the slurry is sucked into the balloon 3230 from the circular notch 3232 to wait for the next spraying, because the amount of the slurry sprayed at a single time is consistent with the volume of the balloon 3230, and the spraying frequency is unchanged because of the rotating speed of the rotating shaft 321, the thickness and concentration of the slurry sprayed on the inner wall of the pipeline are uniform, the inner wall of the pipeline sprayed during the continuous advancing process of the anticorrosion sander 3 can be quickly discharged and condensed under the high-temperature action of the dryer 31, and the slurry is adhered to the inner wall of the pipeline, and the electric sleeve 21 is continuously extended during the advancing process of the anticorrosion sander 3, and the telescopic conveying pipe 22 can also be changed along with the extension of the electric sleeve 21, so that the anticorrosion slurry can be continuously provided during the work of the anticorrosion sander 3.
Specifically, the portion of polishing 33 includes cylindrical polishing dish 330, be equipped with a plurality of rectangle breach 331 on the cylindrical polishing dish 330, hinge connection has the subassembly 332 of polishing on the rectangle breach 331, the subassembly 332 of polishing includes connecting plate 3320 and the piece 3321 of polishing, connecting plate 3320 one end elasticity hinge connect in rectangle breach 331 lower extreme, the other end with the piece 3321 fixed connection of polishing.
The grinding component 332 hinged on the rectangular notch 331 is thrown out by the centrifugal force generated by the rotation of the cylindrical grinding disc 330, and two operations of derusting and grinding the inner wall of the pipeline are realized by the connecting plate 3320 thrown out at one side and the grinding sheet 3321 fixedly connected with the connecting plate 3320.
Specifically, the piece 3321 of polishing is the D type, and it adopts high strength alloy to make, and its plane radius is less than its curved surface radius, and the piece 3321 of polishing adopts the setting of D type, and its curved surface radius is greater than the setting of plane radius and has established the basis that curved surface working range is greater than planar working range, carries out the shovel through the plane through the poor basis of this radius with the rust that has thickness in the pipeline inner wall, and the pipeline inner wall that the rethread curved surface was shoveled or was had rust to exist polishes.
Specifically, an I-shaped flow guide part 202 is arranged inside the joint of the slurry pump 20 and the stirrer 1, the I-shaped flow guide part 202 is hollow, the upper end of the I-shaped flow guide part is positioned inside the stirrer 1, and the lower end of the I-shaped flow guide part is positioned inside the slurry pump 20; the "I" type diversion member 202 is hollow inside to reduce weight, so that it can move upwards or downwards by the pressure difference between the slurry pump 20 and the mixer 1, and realize one-way sealing under different states of the slurry pump 20 and the mixer 1.
Specifically, the spraying component 323 comprises an integrally formed balloon 3230 and a spraying pipe 3231, a circular notch 3232 is formed at the bottom of the balloon 3230, and the balloon 3230 is made of a rubber material; the same volume of slurry sprayed at a single time is achieved by fixing the easy-to-fix balloon 3230 to ensure uniform spraying, and the balloon 3230 made of rubber material can suck the slurry into the balloon 3230 by the suction force generated by the shape recovery of the balloon 3230 for the next use after being squeezed.
Specifically, the rotating fan 322 includes an annular ring 3220 and a plurality of elliptical fan blades 3221, the elliptical fan blades 3221 are fixedly connected to the outer side of the annular ring 3220, and the elliptical fan blades 3221 are made of a rubber material; the selection of material and shape of elliptical fan blades 3221 ensures that only gradual squeezing force is applied to balloon 3230 when they contact balloon 3230, thereby avoiding damaging or touching balloon 3230 when the rotation speed is applied.
Specifically, the protruding part of the outer side of the i-shaped flow guide member 202 is arc-shaped and is made of a high polymer material; one of the I-shaped diversion parts 202 made of high polymer materials has certain elasticity, and the situation that slurry pipelines are blocked due to the fact that the original positions cannot be restored after the single sides are pressed is avoided.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims (7)

1. An anticorrosion process method for urban sewer pipelines is characterized in that: the method comprises the following steps of,
A. stirring the slurry: mixing and stirring a plurality of antirust materials by a stirring device (A1) to obtain proper antirust slurry;
B. slurry conveying: the slurry treated by the A is conveyed into a spraying device through a slurry conveying device (B1);
C. corrosion prevention of the pipeline: carrying out rust removal and polishing treatment on the inner wall of the pipeline by using anticorrosion equipment (C1) to enable the inner wall of the pipeline to have spraying conditions, spraying the slurry treated by the step B onto the inner wall of the pipeline, and finally drying the inner wall of the pipeline sprayed with the anticorrosion slurry;
the operation procedures in the steps A-C of the anticorrosion process method need the stirring equipment (A1), the slurry conveying equipment (B1) and the anticorrosion equipment (C1) to be matched to complete corresponding treatment operations, wherein:
the stirring equipment (A1) in the step A comprises a stirrer (1) and an electric cabinet (10), wherein a middle-shaped stirring rod (11) is arranged in the stirrer (1);
the slurry conveying equipment (B1) in the step B comprises a slurry pump (20), an electric sleeve (21) and a telescopic conveying pipe (22), wherein the slurry pump (20) is fixedly connected to the middle position of a bottom plate (201) through a trapezoid fixing frame (200), the electric sleeve (21) is fixedly connected to the right end of the bottom plate (201) through a fixing frame (210), and the left end of the telescopic conveying pipe (22) is detachably connected with the slurry pump (20);
the anticorrosion device in the step C comprises an anticorrosion grinding machine (3), the anticorrosion grinding machine (3) comprises a fixed disc (30), a dryer (31), a spraying part (32) and a grinding part (33), the spraying part (32) comprises a cylindrical shell (320), a rotating shaft (321), a rotating fan (322) and a plurality of spraying components (323), the spraying components (323) penetrate through the cylindrical shell (320) and are fixedly connected with the cylindrical shell, the rotating fan (322) is fixedly connected with the rotating shaft (321), one end of the rotating shaft (321) is rotatably connected with the cylindrical shell (320), one end of the rotating shaft is fixedly connected with the grinding part (33), the fixed disc (30) is fixedly connected with the electric sleeve (21), and the dryer (31) is fixedly connected with the fixed disc (30); the right end of the telescopic conveying pipe (22) penetrates through the fixed disc (30) and the dryer (31) to be fixedly connected with the cylindrical shell (320);
the dryer (31) and the rotating shaft (321) are in circuit connection with the electric cabinet (10).
2. The urban sewer pipeline anticorrosion process method according to claim 1, wherein:
grinding part (33) includes cylindrical grinding disc (330), be equipped with a plurality of rectangle breach (331) on cylindrical grinding disc (330), hinge connection has grinding assembly (332) on rectangle breach (331), grinding assembly (332) is including connecting plate (3320) and piece (3321) of polishing, connecting plate (3320) one end elasticity hinge connection in rectangle breach (331) lower extreme, the other end with grinding disc (3321) fixed connection.
3. The urban sewer pipeline anticorrosion process method according to claim 2, wherein:
the polishing piece (3321) is D-shaped and made of high-strength alloy, and the radius of the plane of the polishing piece is smaller than that of the curved surface of the polishing piece.
4. The urban sewer pipeline anticorrosion process method according to claim 1, wherein:
the slurry pump (20) is internally provided with an I-shaped flow guide part (202) at the joint of the stirrer (1), the I-shaped flow guide part (202) is hollow, the upper end of the I-shaped flow guide part is positioned in the stirrer (1), and the lower end of the I-shaped flow guide part is positioned in the slurry pump (20).
5. The urban sewer pipeline anticorrosion process method according to claim 1, wherein:
the spraying component (323) comprises an integrally formed balloon (3230) and a spraying pipe (3231), a round notch (3232) is formed in the bottom of the balloon (3230), and the balloon (3230) is made of rubber materials.
6. The urban sewer pipeline anticorrosion process method according to claim 1, wherein:
the rotating fan (322) comprises an annular ring (3220) and a plurality of oval fan blades (3221), the oval fan blades (3221) are fixedly connected to the outer side of the annular ring (3220), and the oval fan blades (3221) are made of rubber materials.
7. The urban sewer pipeline anticorrosion process method according to claim 4, wherein: the protruding part of the outer side of the I-shaped flow guide piece (202) is arc-shaped and is made of high polymer materials.
CN202011513042.7A 2020-12-20 2020-12-20 Urban sewer pipeline anticorrosion process method Withdrawn CN112691875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011513042.7A CN112691875A (en) 2020-12-20 2020-12-20 Urban sewer pipeline anticorrosion process method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011513042.7A CN112691875A (en) 2020-12-20 2020-12-20 Urban sewer pipeline anticorrosion process method

Publications (1)

Publication Number Publication Date
CN112691875A true CN112691875A (en) 2021-04-23

Family

ID=75509163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011513042.7A Withdrawn CN112691875A (en) 2020-12-20 2020-12-20 Urban sewer pipeline anticorrosion process method

Country Status (1)

Country Link
CN (1) CN112691875A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115445836A (en) * 2022-09-27 2022-12-09 四川兴天元钢桥有限公司 Intelligent laser rust removal automatic spraying workstation for large-diameter steel pipe and using method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080107846A1 (en) * 2004-04-29 2008-05-08 Saint-Gobain Vetrotex France S.A Composite Hollow Body And Method And Device For Making Same
KR20140099148A (en) * 2013-02-01 2014-08-11 삼성에스디아이 주식회사 Coating Apparatus of Slurry
CN207756360U (en) * 2017-12-21 2018-08-24 中国石油大学胜利学院 Pipeline inner tube corrosion-inhibiting coating spray attachment device
CN209319425U (en) * 2019-01-10 2019-08-30 山西金贵塑料制造有限公司 A kind of PE100 feed pipe water pipe tube wall grinding device
CN111359814A (en) * 2020-03-31 2020-07-03 北京博研中能科技有限公司 Pipeline inner wall coating spraying system
CN210997848U (en) * 2019-09-17 2020-07-14 昆山纳诺新材料科技有限公司 Be used for nonrust steel pipe hole surface finish device
CN111889281A (en) * 2020-07-21 2020-11-06 开封新奥燃气有限公司 Petrolatum spraying equipment for pipeline is anticorrosive
CN212167920U (en) * 2020-03-31 2020-12-18 北京博研中能科技有限公司 Pipeline inner wall coating spraying system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080107846A1 (en) * 2004-04-29 2008-05-08 Saint-Gobain Vetrotex France S.A Composite Hollow Body And Method And Device For Making Same
KR20140099148A (en) * 2013-02-01 2014-08-11 삼성에스디아이 주식회사 Coating Apparatus of Slurry
CN207756360U (en) * 2017-12-21 2018-08-24 中国石油大学胜利学院 Pipeline inner tube corrosion-inhibiting coating spray attachment device
CN209319425U (en) * 2019-01-10 2019-08-30 山西金贵塑料制造有限公司 A kind of PE100 feed pipe water pipe tube wall grinding device
CN210997848U (en) * 2019-09-17 2020-07-14 昆山纳诺新材料科技有限公司 Be used for nonrust steel pipe hole surface finish device
CN111359814A (en) * 2020-03-31 2020-07-03 北京博研中能科技有限公司 Pipeline inner wall coating spraying system
CN212167920U (en) * 2020-03-31 2020-12-18 北京博研中能科技有限公司 Pipeline inner wall coating spraying system
CN111889281A (en) * 2020-07-21 2020-11-06 开封新奥燃气有限公司 Petrolatum spraying equipment for pipeline is anticorrosive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115445836A (en) * 2022-09-27 2022-12-09 四川兴天元钢桥有限公司 Intelligent laser rust removal automatic spraying workstation for large-diameter steel pipe and using method thereof
CN115445836B (en) * 2022-09-27 2024-01-30 四川兴天元钢桥有限公司 Intelligent laser rust removal automatic spraying workstation for large-caliber steel pipes and application method thereof

Similar Documents

Publication Publication Date Title
CN112691875A (en) Urban sewer pipeline anticorrosion process method
CN208089566U (en) A kind of centrifugal pump impeller that can be cleaned automatically
CN215311611U (en) Solid-liquid separation device for chemical material production
CN112454667B (en) Concrete mixing device
CN219922764U (en) Mining mud mixer
CA2651651A1 (en) An agitator, a circulatory cleaning device attached to the agitator, and a circulatory line system comprising the circulatory cleaning device
CN215540156U (en) High-speed agitated vessel of cosmetics
CN216062846U (en) Energy-saving coating production system
CN215842841U (en) High-efficient wet granulator convenient to clearance
CN215028431U (en) A glue thick liquid agitating unit for weaving processing
CN211514257U (en) Asphalt mixer
CN214974038U (en) Reaction kettle for producing modified silicate water-drop floor coating
CN209613359U (en) Full-automatic stirring spray equipment
CN211159449U (en) Strong dispenser of room temperature vulcanized silicone rubber
CN211408935U (en) Cleaning device
CN220047819U (en) Liquid stirring device
CN220328540U (en) Automatic oil field fracturing distribution and delivery device
CN220386422U (en) Coating stirring device with self-cleaning function
CN219988021U (en) Concrete mixer
CN212857024U (en) Self-cleaning hydrolysis tank
CN217163956U (en) Real mineral varnish mixer with clout cleaning function
CN218077509U (en) Interior wall coating is with mixing machine
CN209109012U (en) A kind of dyeing All-in-One auxiliary agent matching device
CN214764971U (en) Stirring device for coating
CN214076459U (en) Mixer belt cleaning device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210423