CN109533975B - Pipeline residual material recovery system - Google Patents
Pipeline residual material recovery system Download PDFInfo
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- CN109533975B CN109533975B CN201811544616.XA CN201811544616A CN109533975B CN 109533975 B CN109533975 B CN 109533975B CN 201811544616 A CN201811544616 A CN 201811544616A CN 109533975 B CN109533975 B CN 109533975B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
- B65G53/521—Adaptations of pipes or tubes means for preventing the accumulation or for removal of deposits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse Collection And Transfer (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a pipeline residual material recovery system which comprises a conveying pipeline, a power device and a recovery device, wherein the power device is used for conveying materials to the recovery device through the conveying pipeline, a feed valve and a discharge valve are arranged on the conveying pipeline, a piston input unit and a piston output unit are communicated on the conveying pipeline between the feed valve and the discharge valve, the piston input unit is used for pushing a piston into the conveying pipeline, the piston is in contact with the inner wall of the pipeline and moves towards the piston output unit, and the materials residual in the conveying pipeline enter the recovery device through the discharge valve. When the residual materials need to be cleaned, the materials can be pushed by the power device, so that the piston is pushed to move, and the materials adhered to the inner wall of the conveying pipeline and the residual materials are pushed to the recovery device; when the residual materials need to be recovered, the piston can be pushed to move by the power of the air source of the piston input unit so as to convey the residual materials to the recovery device, and the piston is pushed to the piston recovery unit.
Description
Technical Field
The invention relates to the technical field of pipeline conveying, in particular to a pipeline residual material recovery system.
Background
At present, materials are conveyed in a long-distance pipeline, and residual materials in the pipeline cannot be emptied when the pipeline is stopped, so that the materials are easily denatured. If the material stays in the pipeline for a long time, the solvent evaporation risk exists, so that the material is skinned and hardened and adhered to the inner wall of the pipeline, the condition of pipeline blockage is caused, and the conveying efficiency of the pipeline is reduced.
In the prior art, a pressure cleaning device is mainly used for washing out residual materials in a pipe by using a solvent under high pressure, but the cleaning mode has the problems of incomplete washing, high energy consumption, material waste, easy change of a next starting formula and the like.
Therefore, how to effectively discharge the residual material in the pipeline without wasting the material is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
In view of this, the present invention provides a pipeline residual material recycling system, which can effectively recycle materials.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a remaining material recovery system of pipeline, includes pipeline, power device and recovery unit, power device is used for passing through the material pipeline carries extremely recovery unit, pipeline is last to be equipped with feed valve and bleeder valve, the feed valve with between the bleeder valve last intercommunication of pipeline has piston input unit and piston output unit, piston input unit is used for pushing the piston into in the pipeline, the piston with pipeline's inner wall contact, and the orientation piston output unit removes, and is remaining material in the pipeline by the bleeder valve gets into recovery unit.
Preferably, the piston input unit includes piston input pipeline, first power air supply device, discharge valve, the piston input pipeline through first pneumatic valve with the pipeline intercommunication, the discharge valve is other to be in on the piston input pipeline, the entrance demountable installation of piston input pipeline has sealed lid, first power air supply device with the piston input pipeline is connected, is used for with the piston is carried to in the pipeline.
Preferably, a first sensor and a second sensor are arranged in the piston input pipeline, the first sensor is used for starting the first power air source device when the rear end of the piston moves to the joint of the first power air source device and the piston input pipeline, and the second sensor is used for closing the exhaust valve when the rear end of the piston moves to the joint of the exhaust valve and the piston input pipeline.
Preferably, the piston output unit comprises a piston output pipeline and a second power air source device, an inlet of the piston output pipeline is communicated with the conveying pipeline through a second pneumatic valve, an outlet of the piston output pipeline is connected with a piston recovery unit through a third pneumatic valve, and the second power air source device is connected with the piston output pipeline and used for conveying the piston to the piston recovery unit.
Preferably, the other first material output pipeline that has connect in the entrance of piston output pipeline, the other second material output pipeline that has connect in exit, be equipped with first bypass pneumatic valve on the first material output pipeline, be equipped with the second bypass pneumatic valve on the second material output pipeline, first material output pipeline with second material output pipeline all with recovery unit intercommunication.
Preferably, a third sensor is further arranged in the conveying pipeline, and the third sensor is used for closing the discharge valve and opening the second pneumatic valve when the piston moves to the joint of the conveying pipeline and the piston output pipeline.
Preferably, a fourth sensor is arranged in the piston output pipeline, and the fourth sensor is used for closing the second pneumatic valve and the first bypass pneumatic valve and opening the second bypass pneumatic valve when the rear end of the piston moves to the joint of the second power air source device and the piston output pipeline.
Preferably, a fifth sensor is included for closing the second bypass pneumatic valve when the piston moves into the conduit between the piston output conduit and the piston recovery unit.
Preferably, the piston is provided with an ethylene propylene diene monomer rubber sealing element which is used for being in close contact with the inner wall of the conveying pipeline.
Preferably, a guide rod is arranged at a bypass interface of the conveying pipeline, and the guide rod is parallel to the axis of the conveying pipeline and is flush with the inner side wall of the conveying pipeline.
Compared with the prior art, the technical scheme has the following advantages:
the invention provides a pipeline residual material recovery system which comprises a conveying pipeline, a power device and a recovery device, wherein the power device is used for conveying materials to the recovery device through the conveying pipeline, a feed valve and a discharge valve are arranged on the conveying pipeline, a piston input unit and a piston output unit are communicated on the conveying pipeline between the feed valve and the discharge valve, the piston input unit is used for pushing a piston into the conveying pipeline, the piston is in contact with the inner wall of the conveying pipeline and moves towards the piston output unit, and the materials residual in the conveying pipeline enter the recovery device through the discharge valve. When the residual materials in the conveying pipeline need to be cleaned, the materials can be pushed through the power device, the piston is further pushed to move, and the materials adhered to the inner wall of the conveying pipeline and the residual materials in the conveying pipeline can be pushed to the recovery device due to the fact that the piston is in contact with the inner wall of the conveying pipeline; when the residual materials in the conveying pipeline need to be recovered for the next starting, the piston can be pushed to move by the power of the air source of the piston input unit so as to convey the residual materials to the recovery device, and the piston is pushed to the piston recovery unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic flow chart of a pipeline residual material recycling system according to an embodiment of the present invention;
FIG. 2 is a schematic longitudinal sectional view of a bypass interface of a conveying pipeline of a pipeline residual material recycling system according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a bypass interface of a conveying pipeline of a pipeline residual material recycling system according to an embodiment of the present invention.
The reference numbers are as follows:
1 is a power device, 2 is a conveying pipeline, 201 is a guide rod, 3 is a third sensor, 4 is a second pneumatic valve, 5 is a second power air source device, 6 is a second air inlet pneumatic valve, 7 is a second air inlet servo valve, 8 is a fourth sensor, 9 is a third pneumatic valve, 10 is a piston recovery unit, 11 is a recovery device, 12 is a piston output pipeline, 13 is a second bypass pneumatic valve, 14 is a first bypass pneumatic valve, 15 is a second material output pipeline, 16 is a first material output pipeline, 17 is a discharge valve, 18 is a feed valve, 19 is a first pneumatic valve, 20 is a second sensor, 21 is a discharge valve, 22 is a piston input pipeline, 23 is a first sensor, 24 is a piston, 25 is a first air inlet servo valve, 26 is a first air inlet pneumatic valve, and 27 is a first power air source device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
Referring to fig. 1 to fig. 3, fig. 1 is a schematic flow chart of a pipeline residual material recycling system according to an embodiment of the present invention; fig. 2 is a schematic longitudinal sectional view of an interface between a conveying pipeline and a bypass branch of a pipeline residual material recycling system according to an embodiment of the present invention; fig. 3 is a schematic cross-sectional view of an interface between a conveying pipeline and a bypass branch of a pipeline residual material recycling system according to an embodiment of the present invention.
The embodiment of the invention provides a pipeline residual material recovery system, which comprises a conveying pipeline 2, a power device 1 and a recovery device 11, wherein the power device 1 is used for conveying materials to the recovery device 11 through the conveying pipeline 2, the power device 1 can be a push pump, the recovery device 11 can be a recovery tank, an outlet of the push pump is connected with an inlet of the recovery tank through the conveying pipeline 2, a feed valve 18 and a discharge valve 17 are arranged on the conveying pipeline 2, a piston unit and a piston unit are communicated on the conveying pipeline 2 between the feed valve 18 and the discharge valve 17, the piston unit is used for pushing a piston 24 into the conveying pipeline 2, the piston 24 is in contact with the inner wall of the pipeline and moves towards the piston unit, and the materials residual in the conveying pipeline 2 enter the recovery device 11 through the discharge valve 17.
In this embodiment, when the residual material in the conveying pipeline 2 needs to be cleaned, the material can be pushed by the power device 1, and then the piston 24 is pushed to move, and because the piston 24 is in contact with the inner wall of the conveying pipeline 2, the material adhered to the inner wall of the conveying pipeline 2 and the residual material in the conveying pipeline 2 can be pushed to the recovery device 11; when the residual materials in the conveying pipeline 2 need to be recovered for the next startup, the piston 24 can be pushed to move by the air source power of the piston unit so as to convey the residual materials in the conveying pipeline 2 to the recovery device 11, and the piston 24 is pushed to the piston unit 10.
Specifically, the piston unit comprises a piston pipeline 22, a first power air source device 27 and an exhaust valve 21, the piston pipeline 22 is communicated with the conveying pipeline 2 through a first pneumatic valve 19, the exhaust valve 21 is connected to the piston pipeline 22 in a bypassing mode, a sealing cover is detachably mounted at an inlet of the piston pipeline 22, and the first power air source device 27 is connected with the piston pipeline 22 and used for conveying the piston 24 into the conveying pipeline 2. Wherein, the output pipeline of the first power air source device 27 is sequentially provided with a first air inlet pneumatic valve 26 and a first air inlet servo valve 25, when the first power air source device 27 is started, the first air inlet pneumatic valve 26 is opened, and the first air inlet servo valve 25 is slowly opened to input the power air source into the piston pipeline 22. When the machine needs to be stopped to recover residual materials in the conveying pipeline 2 or clean materials adhered to the inner wall of the conveying pipeline 2, the piston 24 can be manually placed into the piston pipeline 22, then the sealing cover is closed, the first power air source 27 is started, the piston 24 moves towards the conveying pipeline 2, until the piston moves to the exhaust valve 21, the exhaust valve 21 is closed, the first pneumatic valve 19 is opened, and the piston 24 enters the conveying pipeline 2 to be cleaned.
In order to improve the automation level of the recovery system, in the present embodiment, a first sensor 23 and a second sensor 20 are provided in the piston pipe 22, the first sensor 23 is used for starting the first power air supply device 27 when the rear end of the piston 24 moves to the interface between the first power air supply device 27 and the piston pipe 22, and the second sensor 20 is used for closing the exhaust valve 21 when the rear end of the piston 24 moves to the interface between the exhaust valve 21 and the piston pipe 22. In addition, when the piston 24 moves to the second sensor 20, the first pneumatic valve 19 is opened to ensure that the piston 24 passes through the first pneumatic valve 19 into the delivery conduit 2.
Specifically, the piston unit comprises a piston pipe 12 and a second power air source device 5, an inlet of the piston pipe 12 is communicated with the conveying pipe 2 through a second pneumatic valve 4, an outlet is connected with the piston unit 10 through a third pneumatic valve 9, and the second power air source device 5 is connected with the piston pipe 12 and used for conveying the piston 24 to the piston unit 10. And a second air inlet pneumatic valve 6 and a second air inlet servo valve 7 are sequentially arranged on an output pipeline of the second power air source device 5, and when the second power air source device 5 is started, the second air inlet pneumatic valve 6 is started, and the second air inlet servo valve 7 is slowly opened to input a power air source into the piston pipeline 22. When the piston 24 enters the piston pipe 12 through the second air-operated valve 4, the second air-operated valve 4 is closed, and the second power air supply means 5 is activated to push the piston 24 into the piston unit 10.
Further, a first material output pipeline 16 is connected to the position, close to the inlet, of the piston pipeline 12, a second material output pipeline 15 is connected to the position, close to the outlet, of the piston pipeline, a first bypass pneumatic valve 14 is arranged on the first material output pipeline 16, a second bypass pneumatic valve 13 is arranged on the second material output pipeline 15, and the first material output pipeline 16 and the second material output pipeline 15 are both communicated with the recovery device 11. Since the residual material is pushed to the piston pipe 12 by the movement of the piston 24, when the piston 24 moves to the first material output pipe 16, the first bypass pneumatic valve 14 is opened, part of the material is sent to the recovery device 11, and when the piston 24 moves to the second material output pipe 15, the residual material enters the recovery device 11 through the second bypass pneumatic valve 13.
Furthermore, a third sensor 3 is arranged in the conveying pipe 2, and the third sensor 3 is used for closing the discharge valve 17 and opening the second air-operated valve 4 when the piston 24 moves to the interface between the conveying pipe 2 and the piston pipe 12. I.e. when the piston 24 moves to the third inductor 3, it is necessary to push the piston 24 out of the conveying pipe 2.
In order to facilitate the output of the piston 24, in the present embodiment, a fourth sensor 8 is provided in the piston pipe 12, and the fourth sensor 8 is configured to close the second pneumatic valve 4 and the first bypass pneumatic valve 14 and open the second bypass pneumatic valve 13 when the rear end of the piston 24 moves to the interface between the second power air supply device 5 and the piston pipe 12. It will be appreciated that switching to the second power air supply means 5 drives the piston 24 towards the piston unit 10 as the piston 24 enters the piston conduit 12.
Further, a fifth sensor for closing the second bypass pneumatic valve 13 when the piston 24 is moved into the conduit between the piston conduit 12 and the piston unit 10 is included. When the piston 24 moves to the fifth sensor, the second bypass pneumatic valve 13 needs to be closed in order to prevent gas from entering the recovery device 11 while ensuring smooth entry of the piston 24 into the piston unit 10.
Specifically, the piston 24 is provided with an epdm rubber seal for making close contact with the inner wall of the delivery pipe 2. In addition, the piston 24 is also provided with detection points for detection of each sensor, and ethylene propylene diene monomer rubber is used as a sealing element, so that better corrosion resistance, structural strength and sealing performance can be ensured.
In order to prevent the piston 24 from being scratched in the moving process, a guide rod 201 is arranged at a bypass interface of the conveying pipeline 2, the bypass interface refers to a bypass interface at a tee joint, for example, the interface of the piston unit and the conveying pipeline 2, and the guide rod 201 is parallel to the axis of the conveying pipeline 2 and is flush with the inner side wall of the conveying pipeline 2. Wherein the guide rod 201 is preferably made of round steel, and both ends thereof are welded at the bypass interface. In addition, the conveying pipeline 2 comprises a main pipeline and an elbow, the pipe diameter of the main pipeline can be selected according to actual conditions, as long as smooth material circulation can be ensured, for example, within the conveying capacity of 150L/min and within the material twist of 50000mpa · s, a phi 89 × 2 pipeline can be adopted, and a 5D elbow is preferably selected as the elbow, namely, the elbow with the bending radius of R445, so that the piston 24 can obtain the optimal passing performance, and the residual quantity of materials on the inner wall of the pipeline is less.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The pipeline residual material recovery system provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A pipeline residue material recovery system, comprising:
the device comprises a power device (1), a conveying pipeline (2), a recovery device (11), a piston (24), a piston input unit, a first pneumatic valve (19), a second pneumatic valve (4), a piston output unit and a third pneumatic valve (9);
the power device (1) is used for conveying materials to the recovery device (11) through the conveying pipeline (2), a feed valve (18) and a discharge valve (17) are arranged on the conveying pipeline (2), and the piston input unit and the piston output unit are communicated on the conveying pipeline (2) between the feed valve (18) and the discharge valve (17);
the piston input unit is used for pushing the piston (24) into the conveying pipeline (2), the piston (24) is in contact with the inner wall of the conveying pipeline (2) and moves towards the piston output unit, and materials remaining in the conveying pipeline (2) enter the recovery device (11) through the discharge valve (17);
the piston input unit comprises a piston input pipeline (22), a first power air source device (27) and an exhaust valve (21), the first power air source device (27) is connected with the piston input pipeline (22), the piston input pipeline (22) is communicated with the conveying pipeline (2) through a first pneumatic valve (19), and the exhaust valve (21) is connected to the piston input pipeline (22) in a bypassing mode;
the piston output unit comprises a piston output pipeline (12) and a second power air source device (5), a first material output pipeline (16) is connected to the position, close to the inlet, of the piston output pipeline (12), a second material output pipeline (15) is connected to the position, close to the outlet, of the piston output pipeline (12), the first material output pipeline (16) and the second material output pipeline (15) are communicated with a recovery device (11), the second power air source device (5) is connected with the piston output pipeline (12), the inlet of the piston output pipeline (12) is communicated with the conveying pipeline (2) through a second pneumatic valve (4), and the outlet of the piston output pipeline (12) is connected with a piston recovery unit (10) through a third pneumatic valve (9);
when the residual materials in the conveying pipeline (2) are cleaned, the power device (1) is started, the materials are pushed through the power device (1), the piston (24) is further pushed to move, the residual materials are pushed to the piston output pipeline (12) along with the movement of the piston (24), when the piston (24) moves to the first material output pipeline (16), part of the materials are sent to a recovery device (11), and when the piston (24) moves to the second material output pipeline (15), the residual materials are sent to the recovery device (11);
when the residual materials in the conveying pipeline (2) are recovered for the next startup, starting the first power air source device (27), enabling the piston (24) to move towards the conveying pipeline (2) until the piston moves to the exhaust valve (21), closing the exhaust valve (21), opening the first pneumatic valve (19), enabling the piston (24) to enter the conveying pipeline (2), and pushing the piston (24) to move by the air source power of the first power air source device (27) for the residual materials; when the piston (24) enters the piston output pipeline (12) through the second pneumatic valve (4), the second pneumatic valve (4) is closed, the second power air source device (5) is started, the power air source of the second power air source device (5) is input into the piston output pipeline (12), the residual materials in the conveying pipeline (2) are conveyed to the recovery device (11), and the piston (24) is pushed into the piston recovery unit (10) through the third pneumatic valve (9).
2. The pipeline residual material recycling system according to claim 1, wherein a first air inlet pneumatic valve (26) and a first air inlet servo valve (25) are sequentially arranged on the output pipeline of the first power air source device (27), and when the first power air source device (27) is started, the first air inlet pneumatic valve (26) is opened and the first air inlet servo valve (25) is slowly opened to input a power air source into the piston input pipeline (22).
3. The pipeline residual material recycling system according to claim 1, wherein a first sensor (23) and a second sensor (20) are provided in the piston input pipeline (22), the first sensor (23) is used for starting the first power air source device (27) when the rear end of the piston (24) moves to the interface of the first power air source device (27) and the piston input pipeline (22), and the second sensor (20) is used for closing the exhaust valve (21) when the rear end of the piston (24) moves to the interface of the exhaust valve (21) and the piston input pipeline (22).
4. The pipeline residual material recycling system according to claim 1, wherein a first bypass pneumatic valve (14) is provided on the first material output pipeline (16), a second bypass pneumatic valve (13) is provided on the second material output pipeline (15), and both the first material output pipeline (16) and the second material output pipeline (15) are communicated with the recycling device (11).
5. The pipe residual material recycling system according to claim 1, characterized in that a third sensor (3) is further provided in the conveying pipe (2), said third sensor (3) being adapted to close said discharge valve (17) and open said second pneumatic valve (4) when said piston (24) is moved to the interface of the conveying pipe (2) and the piston output pipe (12).
6. The pipe residual material recovery system according to claim 4, wherein a fourth sensor (8) is provided in said piston output pipe (12), said fourth sensor (8) being adapted to close said second pneumatic valve (4) and said first bypass pneumatic valve (14) and open said second bypass pneumatic valve (13) when the rear end of said piston (24) is moved to the interface of said second powered air supply device (5) and said piston output pipe (12).
7. The pipe residual material recycling system according to claim 4, further comprising a fifth sensor for closing the second bypass pneumatic valve (13) when the piston (24) is moved into the pipe between the piston output pipe (12) and the piston recycling unit (10).
8. Pipeline residual material recycling system according to claim 1, characterized in that the inlet of the piston input pipeline (22) is removably fitted with a sealing cap.
9. The pipeline residual material recycling system according to claim 1, wherein the piston (24) is provided with an ethylene propylene diene monomer rubber sealing member for closely contacting with the inner wall of the conveying pipeline (2).
10. The pipeline residual material recycling system according to claim 1, characterized in that a guide rod (201) is provided at the bypass interface of the conveying pipeline (2), the guide rod (201) is parallel to the axis of the conveying pipeline (2) and is flush with the inner side wall of the conveying pipeline (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544616.XA CN109533975B (en) | 2018-12-17 | 2018-12-17 | Pipeline residual material recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544616.XA CN109533975B (en) | 2018-12-17 | 2018-12-17 | Pipeline residual material recovery system |
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| CN109533975A CN109533975A (en) | 2019-03-29 |
| CN109533975B true CN109533975B (en) | 2022-04-26 |
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| CN110589496A (en) * | 2019-09-26 | 2019-12-20 | 中山市君禾机电设备有限公司 | Control device for recycling and integrating cleaning powder pump |
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| KR100831394B1 (en) * | 2007-05-14 | 2008-05-27 | 서동관 | Cleansing equipment of pipe |
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| CN109533975A (en) | 2019-03-29 |
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