CN113020139B - Dust exhaust gas pipeline pull throughs - Google Patents
Dust exhaust gas pipeline pull throughs Download PDFInfo
- Publication number
- CN113020139B CN113020139B CN202110327925.7A CN202110327925A CN113020139B CN 113020139 B CN113020139 B CN 113020139B CN 202110327925 A CN202110327925 A CN 202110327925A CN 113020139 B CN113020139 B CN 113020139B
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- Prior art keywords
- dust
- stirring blade
- stirring
- motor
- waste gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a dust and waste gas pipeline dredging device which comprises a dredging device and an adjusting screw rod, wherein the dredging device is arranged on the adjusting screw rod, a motor is arranged at one end of the adjusting screw rod, the dredging device comprises a central shaft and a stirring head, the central shaft is rotatably arranged on the adjusting screw rod, the stirring head is arranged at the end, far away from the motor, of the central shaft, the stirring head comprises a fixed block, a rotating shaft, stirring blades and a cylinder, the fixed block is arranged at the end of the central shaft, the rotating shaft is arranged on the surface, far away from the end of the central shaft, of the fixed block, the stirring blades are arranged on the rotating shaft, the cylinder is arranged on the fixed block, and the dust and waste gas pipeline can be dredged in the rotating process of the stirring blades. The invention effectively dredges and cleans sundries and accumulated dust in the dust and waste gas pipeline, can easily solve the problem of blockage of the dust and waste gas pipeline, and has the advantages of low investment, high efficiency, simple installation, small maintenance amount, convenient operation, no pollution in the dredging of the dust and waste gas pipeline, and the like.
Description
Technical Field
The invention relates to the technical field of pipeline dredging, in particular to a dust and waste gas pipeline dredging device.
Background
Nowadays, when industry rapidly develops, industrial waste gas also correspondingly produces, along with people's attention to environmental protection degree promotes, industrial waste gas treatment equipment has also become the indispensable equipment of enterprise, and each mill of present stage and workshop etc. all can carry out the preliminary treatment to the waste gas that produces before external emission to reach the external standard of discharging of national waste gas.
The general temperature of industrial waste gas is higher, and contains trace large granule dust, and waste gas does not have when handling the circulation in the pipeline, has the large granule dust in the waste gas and can cause the pipe blockage, and current dust piles up the problem one and is the manual work and clear up, and this mode has improved manpower and materials cost greatly, and another kind is the drug delivery, corrodes the debris in the pipeline, and this mode polluted environment is not the environmental protection.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a dust and waste gas pipeline dredging device,
the dredging device is arranged on the adjusting screw rod, one end of the adjusting screw rod is provided with a motor, and the motor can drive the adjusting screw rod to rotate so as to drive the dredging device to reciprocate left and right on the adjusting screw rod;
the dredging device comprises a central shaft and a stirring head, wherein the central shaft is rotatably arranged on the adjusting screw, the stirring head is arranged at the end of the central shaft far away from the direction of the motor, the stirring head comprises a fixed block, a rotating shaft, stirring blades and a cylinder, the fixed block is arranged at the end of the central shaft, the rotating shaft is arranged on the surface of the fixed block far away from the end of the central shaft, the stirring blades are arranged on the rotating shaft, the cylinder is arranged on the fixed block, the cylinder can drive the rotating shaft to rotate so as to drive the stirring blades to synchronously rotate, and the dust and waste gas pipeline can be dredged in the rotating process of the stirring blades;
the cleaning device comprises a fixed rod, the fixed rod penetrates through the upper side wall and the lower side wall of the central shaft, cleaning boxes are arranged at the upper end and the lower end of the fixed rod, the fixed rod penetrates through one side wall of each cleaning box and extends into the cleaning boxes, the cleaning boxes are slidably arranged on the fixed rod, bulges are arranged at the end parts of the fixed rods in the cleaning boxes, the bulges can limit the cleaning boxes in the up-and-down sliding process, buffer springs are arranged on the fixed rod, and the upper ends and the lower ends of the buffer springs are respectively connected with the upper side wall and the lower side wall of each cleaning box;
the utility model discloses a dust waste gas pipeline, including washing case, central axle head, brush head, dust waste gas pipeline, the washing case is kept away from the surface of central axle head is provided with the brush head, the brush head can be scrubbed dust waste gas pipeline internal surface, the lateral wall of wasing the case is provided with the water tank, be provided with the shower nozzle between the brush head, the shower nozzle pass through the pipeline with the water tank intercommunication, water in the water tank can wash dust waste gas pipeline internal surface through the shower nozzle through the pipeline.
Preferably, stirring vane includes first stirring vane, second stirring vane circumference distributes on the border of rotation axis, first stirring vane sets up the center department of rotation axis, second stirring vane includes stirring vane, lower stirring vane, the stirring vane slope sets up down on the stirring vane, all be provided with the barb on first stirring vane, the second stirring vane.
Preferably, the first stirring blade is of a spiral structure, and an included angle of 90-180 degrees is formed between the upper stirring blade and the lower stirring blade.
Preferably, the barbs are uniformly arranged on the first stirring blade and the second stirring blade at intervals.
Preferably, the spray heads are uniformly arranged between the brush heads at intervals, and the spray heads are arranged as atomizing spray heads.
Preferably, a connecting block is arranged between the motor and the adjusting screw rod, the left surface and the right surface of the connecting block are respectively provided with a mounting groove and a positioning groove, the adjusting screw rod is inserted with the positioning groove in a positioning way, the output shaft of the motor is connected with the mounting groove, a cavity is arranged in the output shaft of the motor near the end of the connecting block, two groups of L-shaped limiting blocks are arranged in the cavity, the upper and lower side walls of the cavity are provided with through holes which are communicated with the vertical ends of the limiting blocks, a limiting spring is arranged between the two groups of limiting blocks, the upper and lower side walls of the connecting block are provided with operation grooves which are communicated with the mounting grooves, when the output shaft of the motor is inserted into the mounting groove, the vertical end of the limiting block is popped out to the outside of the connecting block through the operating groove due to the elasticity of the limiting spring.
Preferably, for operating personnel extrudees the stopper, both ends that the stopper leaned on the operation groove all are provided with the inoxidizing coating, the inoxidizing coating adopts the rubber material.
Preferably, in order to improve the heat dissipation performance of the motor and the cylinder, heat dissipation layers are arranged on the surfaces of the motor and the cylinder, and the heat dissipation layers are heat conduction polyester coating layers.
The invention has the beneficial effects
When the dredging device is introduced into the dust and waste gas pipeline, the motor switch and the air cylinder switch are turned on, the motor can drive the adjusting screw to rotate, so that the dredging device is driven to reciprocate left and right on the adjusting screw, the stirring blade on the dredging device reciprocates left and right to dredge impurities in the dust and waste gas pipeline, and the air cylinder drives the stirring blade to continuously rotate, so that the effect of stirring and dredging the impurities in the dust and waste gas pipeline is achieved, and the dredging efficiency of the dust and waste gas pipeline is greatly improved; in the process of dredging the dust and waste gas pipeline by the dredging device, water in a water tank on the side wall of the cleaning box washes the inner surface of the dust and waste gas pipeline through a spray head through a pipeline, a brush head on the cleaning box brushes the inner surface of the dust and waste gas pipeline, and the cleaning box continuously rotates along with the central shaft, so that the effect of comprehensively cleaning the inner surface of the dust and waste gas pipeline is achieved; the invention effectively dredges and cleans sundries and accumulated dust in the dust and waste gas pipeline, can easily solve the problem of blockage of the dust and waste gas pipeline, and has the advantages of low investment, high efficiency, simple installation, small maintenance amount, convenient operation, no pollution in the dredging of the dust and waste gas pipeline, and the like.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is an enlarged view of the structure of the cleaning tank of the present invention.
Fig. 3 is a sectional view of an assembly structure of a connecting block and a motor according to the present invention.
Description of reference numerals: 1-adjusting screw, 2-central shaft, 3-fixed block, 4-rotating shaft, 5-stirring blade, 6-upper stirring blade, 7-lower stirring blade, 8-first stirring blade, 9-fixed rod, 10-cleaning box, 11-buffer spring, 12-bulge, 13-cylinder, 14-brush head, 15-spray head, 16-water tank, 17-motor, 18-connecting block, 19-positioning groove, 20-cavity, 21-limiting block, 22-limiting spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in 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.
Examples
As shown in fig. 1 to 3, the present invention provides a dust and exhaust gas piping line-dredging device,
the dredging device is arranged on the adjusting screw rod 1, a motor 17 is arranged at one end of the adjusting screw rod 1, and the motor 17 can drive the adjusting screw rod 1 to rotate so as to drive the dredging device to reciprocate left and right on the adjusting screw rod 1;
the dredging device comprises a central shaft 2 and a stirring head, wherein the central shaft 2 is rotatably arranged on the adjusting screw rod 1, the stirring head is arranged at the end, far away from the direction of the motor 17, of the central shaft 2, the stirring head comprises a fixed block 3, a rotating shaft 4, a stirring blade 5 and an air cylinder 13, the fixed block 3 is arranged at the end, far away from the end, of the central shaft 2, of the fixed block 3, the rotating shaft 4 is arranged on the surface, far away from the end, of the central shaft 2, of the fixed block 3, the stirring blade 5 is arranged on the rotating shaft 4, the air cylinder 13 is arranged on the fixed block 3, and the air cylinder 13 can drive the rotating shaft 4 to rotate so as to drive the stirring blade 5 to synchronously rotate, and the stirring blade 5 can dredge a dust and waste gas pipeline in the rotating process;
a cleaning device is arranged on the central shaft 2 and comprises a fixed rod 9, the fixed rod 9 penetrates through the upper side wall and the lower side wall of the central shaft 2, cleaning boxes 10 are arranged at the upper end and the lower end of the fixed rod 9, the fixed rod 9 penetrates through one side wall of the cleaning boxes 10 and extends into the cleaning boxes 10, the cleaning boxes 10 are slidably arranged on the fixed rod 9, a bulge 12 is arranged at the end part of the fixed rod 9 in the cleaning boxes 10, the bulge 12 can limit the cleaning boxes 10 in the up-and-down sliding process, a buffer spring 11 is arranged on the fixed rod 9, and the upper end and the lower end of the buffer spring 11 are respectively connected with the side walls of the upper cleaning box 10 and the lower cleaning box 10;
the surface of the cleaning box 10 far away from the end of the central shaft 2 is provided with brush heads 14, the brush heads 14 can scrub the inner surface of a dust and waste gas pipeline, the side wall of the cleaning box 10 is provided with water tanks 16, spray heads 15 are arranged between the brush heads 14, the spray heads 15 are communicated with the water tanks 16 through pipelines, water in the water tanks 16 can scrub the inner surface of the dust and waste gas pipeline through the spray heads 15, the spray heads 15 are uniformly arranged between the brush heads 14 at intervals, the spray heads 15 are arranged as atomization spray heads,
an operator can adjust the distance between the upper cleaning box 10 and the lower cleaning box 10 by extruding the buffer spring 11 on the fixed rod 9 according to the inner diameter of the dust and waste gas pipeline, so that the dust and waste gas pipeline cleaning machine is convenient to deal with dust and waste gas pipelines with different sizes, and the use flexibility of the dust and waste gas pipeline cleaning machine is improved;
when the dredging device is introduced into the dust and waste gas pipeline, the switch of the motor 17 and the switch of the air cylinder 13 are turned on, the motor 17 can drive the adjusting screw rod 1 to rotate, so that the dredging device is driven to reciprocate leftwards and rightwards on the adjusting screw rod 1, the stirring blades on the dredging device reciprocate leftwards and rightwards to dredge impurities in the dust and waste gas pipeline, and the air cylinder 13 drives the stirring blades to continuously rotate, so that the function of stirring and dredging the impurities in the dust and waste gas pipeline is achieved, and the dredging efficiency of the dust and waste gas pipeline is greatly improved;
in the process of dredging the dust and waste gas pipeline by the dredging device, water in a water tank 16 on the side wall of the cleaning box 10 washes the inner surface of the dust and waste gas pipeline through a spray head 15 through a pipeline, a brush head 14 on the cleaning box 10 scrubs the inner surface of the dust and waste gas pipeline, and the cleaning box 10 continuously rotates along with the central shaft 2, so that the effect of comprehensively cleaning the inner surface of the dust and waste gas pipeline is achieved;
the invention effectively dredges and cleans the sundries and accumulated dust in the dust and waste gas pipeline, can easily solve the problem of blockage of the dust and waste gas pipeline, and has the advantages of low investment, high efficiency, simple installation, small maintenance amount, convenient operation, no pollution in the dredging of the dust and waste gas pipeline and the like;
stirring vane 5 includes first stirring vane 8, second stirring vane circumference distributes on the border of rotation axis 4, first stirring vane 8 sets up the center department of rotation axis 4, second stirring vane includes stirring vane 6, lower stirring vane 7, stirring vane 7 slope sets up down on the last stirring vane 6, the slope sets up the area of contact that is convenient for increase second stirring vane and debris in the dust exhaust gas conduit, improves stirring efficiency, all be provided with the barb on first stirring vane 8, the second stirring vane, the barb can further increase with the area of contact of debris, first stirring vane 8 sets up to helical structure, go up stirring vane 6 with form 90-180 contained angles between the stirring vane 7 down, the even interval of barb sets up at first stirring vane 8, The second stirring blade;
the motor 17 with be provided with connecting block 18 between adjusting screw 1, mounting groove, constant head tank 19 have been seted up respectively to the left and right surfaces of connecting block 18, adjusting screw 1 with constant head tank 19 location grafting, the output shaft of motor 17 with the mounting groove is connected, the output shaft of motor 17 is close to connecting block 18 end inside is provided with cavity 20, be provided with two sets of L type stoppers 21 in the cavity 20, the upper and lower lateral wall of cavity 20 is provided with the through-hole, the through-hole with stopper 21's vertical end communicates, be provided with spacing spring 22 between two sets of stoppers 21, connecting block 18's upper and lower lateral wall is provided with the operation groove, the operation groove is linked together with the mounting groove, when the output shaft of motor 17 inserts in the mounting groove, stopper 21 makes stopper 21's vertical end pop out to the external world of connecting block 18 through the operation groove owing to spacing spring force of spacing spring 22, the motor 17 and the adjusting screw 1 are convenient to replace and maintain by arranging the connecting block 18 and the limiting block 21, when the motor 17 or the adjusting screw 1 needs to be replaced, an operator extrudes the limiting block 21 from the operating groove to enable the limiting blocks 21 at the upper end and the lower end to be closed, and when the limiting blocks are gradually closed to the cavity 20 on the output shaft of the motor 17, the output shaft of the motor 17 can be pulled out of the connecting block 18, so that the aim of detaching the motor 17 from the adjusting screw 1 is fulfilled, and the operation is simple and rapid;
in order to facilitate the operator to extrude the limiting block 21, two ends of the limiting block 21 close to the operation groove are provided with protective layers, the protective layers are made of rubber, and the protective layers are arranged at the two ends of the limiting block 21, so that the operator is prevented from easily pricking hands when the operator extrudes the limiting block 21 through fingers, and the physical and mental health of the operator is effectively improved;
in order to improve the heat dissipation performance of the motor 17 and the cylinder 13, the surfaces of the motor 17 and the cylinder 13 are provided with heat dissipation layers, the heat dissipation layers are made of heat-conducting polyester coating layers, the surfaces of the motor 17 and the cylinder 13 are provided with the heat dissipation layers, the heat dissipation layers can play a role in dissipating heat of the motor 17 and the cylinder 13, when the motor 17 and the cylinder 13 work, a function of assisting heat dissipation can be achieved, the overheating phenomenon of the motor 17 and the cylinder 13 is avoided, the failure rate of the motor 17 and the cylinder 13 is reduced, and meanwhile, the safety performance of the motor 17 and the cylinder 13 in use is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A dust and waste gas pipeline dredging device, which is characterized in that,
the dredging device is arranged on the adjusting screw rod, one end of the adjusting screw rod is provided with a motor, and the motor drives the adjusting screw rod to rotate so as to drive the dredging device to reciprocate left and right on the adjusting screw rod;
the dredging device comprises a central shaft and a stirring head, wherein the central shaft is rotatably arranged on the adjusting screw, the stirring head is arranged at the end of the central shaft far away from the direction of the motor, the stirring head comprises a fixed block, a rotating shaft, stirring blades and a cylinder, the fixed block is arranged at the end of the central shaft, the rotating shaft is arranged on the surface of the fixed block far away from the end of the central shaft, the stirring blades are arranged on the rotating shaft, the cylinder is arranged on the fixed block, the cylinder drives the rotating shaft to rotate so as to drive the stirring blades to synchronously rotate, and the dust and waste gas pipeline is dredged in the rotating process of the stirring blades;
the cleaning device comprises a fixed rod, the fixed rod penetrates through the upper side wall and the lower side wall of the central shaft, cleaning boxes are arranged at the upper end and the lower end of the fixed rod, the fixed rod penetrates through one side wall of each cleaning box and extends into the cleaning boxes, the cleaning boxes are slidably arranged on the fixed rod, bulges are arranged at the end parts of the fixed rods in the cleaning boxes, the bulges limit the cleaning boxes in the vertical sliding process, buffer springs are arranged on the fixed rod, and the upper ends and the lower ends of the buffer springs are respectively connected with the side walls of the upper cleaning box and the lower cleaning box;
the surface of the cleaning box, which is far away from the central shaft end, is provided with a brush head, the brush head cleans the inner surface of the dust and waste gas pipeline, the side wall of the cleaning box is provided with a water tank, a spray head is arranged between the brush heads, the spray head is communicated with the water tank through a pipeline, and water in the water tank washes the inner surface of the dust and waste gas pipeline through the spray head through a pipeline;
the stirring blades comprise a first stirring blade and a second stirring blade, the second stirring blade is circumferentially distributed on the edge of the rotating shaft, the first stirring blade is arranged at the center of the rotating shaft, the second stirring blade comprises an upper stirring blade and a lower stirring blade, the lower stirring blade is obliquely arranged on the upper stirring blade, and barbs are arranged on the first stirring blade and the second stirring blade;
the first stirring blade is of a spiral structure, and an included angle of 90-180 degrees is formed between the upper stirring blade and the lower stirring blade.
2. A dust and exhaust gas piping dredge apparatus of claim 1,
the barbs are uniformly arranged on the first stirring blade and the second stirring blade at intervals.
3. A dust and exhaust pipe dredge apparatus of claim 1,
the spray heads are arranged between the brush heads at uniform intervals, and the spray heads are arranged to be atomizing spray heads.
4. A dust and exhaust gas piping dredge apparatus of claim 1,
a connecting block is arranged between the motor and the adjusting screw rod, the left surface and the right surface of the connecting block are respectively provided with an installation groove and a positioning groove, the adjusting screw rod is inserted with the positioning groove in a positioning way, the output shaft of the motor is connected with the mounting groove, a cavity is arranged inside the output shaft of the motor close to the end of the connecting block, two groups of L-shaped limiting blocks are arranged in the cavity, the upper and lower side walls of the cavity are provided with through holes which are communicated with the vertical ends of the limiting blocks, a limiting spring is arranged between the two groups of limiting blocks, the upper and lower side walls of the connecting block are provided with operation grooves which are communicated with the mounting grooves, when the output shaft of the motor is inserted into the mounting groove, the vertical end of the limiting block is popped out to the outside of the connecting block through the operating groove due to the elasticity of the spring.
5. A dust and exhaust pipe dredge apparatus of claim 4,
both ends that the stopper leaned on the operation groove all are provided with the inoxidizing coating, the inoxidizing coating adopts the rubber material.
6. A dust and exhaust gas piping dredge apparatus of claim 1,
the motor and the cylinder are respectively provided with a heat dissipation layer on the surface, and the heat dissipation layers are heat conduction polyester coating layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327925.7A CN113020139B (en) | 2021-03-26 | 2021-03-26 | Dust exhaust gas pipeline pull throughs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327925.7A CN113020139B (en) | 2021-03-26 | 2021-03-26 | Dust exhaust gas pipeline pull throughs |
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| Publication Number | Publication Date |
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| CN113020139A CN113020139A (en) | 2021-06-25 |
| CN113020139B true CN113020139B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110327925.7A Active CN113020139B (en) | 2021-03-26 | 2021-03-26 | Dust exhaust gas pipeline pull throughs |
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| JPH10225665A (en) * | 1997-02-14 | 1998-08-25 | Mitsubishi Electric Corp | Cleaning device for inside surface of line |
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| CN210080267U (en) * | 2019-02-18 | 2020-02-18 | 盐城国环睿保科技有限公司 | Petroleum pipeline belt cleaning device |
| CN211275774U (en) * | 2019-10-15 | 2020-08-18 | 陕西聚禾石油工程有限公司 | Pipeline belt cleaning device for oil exploration exploitation |
| CN211660645U (en) * | 2019-12-30 | 2020-10-13 | 苏州市凯业金属制品有限公司 | Inner wall belt cleaning device is used in copper pipe processing |
| CN211757378U (en) * | 2019-11-04 | 2020-10-27 | 重庆和技环境检测有限公司 | Pipeline ash removal device for flue gas treatment |
| 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 |
| CN212665636U (en) * | 2020-08-05 | 2021-03-09 | 九江检安石化工程有限公司 | Seal gasket grinding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111804680A (en) * | 2019-04-11 | 2020-10-23 | 华伟电力建设有限公司 | Electric power calandria clearance dredging apparatus |
| CN212707391U (en) * | 2020-05-29 | 2021-03-16 | 浙江瑞鑫建材有限公司 | Improved concrete stirrer |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225665A (en) * | 1997-02-14 | 1998-08-25 | Mitsubishi Electric Corp | Cleaning device for inside surface of line |
| CN202378192U (en) * | 2012-02-20 | 2012-08-15 | 芜湖市华盛电器塑胶有限公司 | Stirring machine |
| CN207929698U (en) * | 2017-12-28 | 2018-10-02 | 安徽省智趣机器人科技有限公司 | One kind dredging cleaning intelligent robot from tapered pipeline |
| CN208912723U (en) * | 2018-05-18 | 2019-05-31 | 南京克米斯璀新能源科技有限公司 | A kind of petroleum pipeline cleaning device |
| CN210080267U (en) * | 2019-02-18 | 2020-02-18 | 盐城国环睿保科技有限公司 | Petroleum pipeline belt cleaning device |
| CN211275774U (en) * | 2019-10-15 | 2020-08-18 | 陕西聚禾石油工程有限公司 | Pipeline belt cleaning device for oil exploration exploitation |
| CN211757378U (en) * | 2019-11-04 | 2020-10-27 | 重庆和技环境检测有限公司 | Pipeline ash removal device for flue gas treatment |
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| CN212665636U (en) * | 2020-08-05 | 2021-03-09 | 九江检安石化工程有限公司 | Seal gasket grinding device |
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| CN113020139A (en) | 2021-06-25 |
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