CN114798613A - Stifled pipeline dredging equipment congeals - Google Patents
Stifled pipeline dredging equipment congeals Download PDFInfo
- Publication number
- CN114798613A CN114798613A CN202110087350.6A CN202110087350A CN114798613A CN 114798613 A CN114798613 A CN 114798613A CN 202110087350 A CN202110087350 A CN 202110087350A CN 114798613 A CN114798613 A CN 114798613A
- Authority
- CN
- China
- Prior art keywords
- steam
- pipeline
- return
- propulsion
- coagulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 230000033001 locomotion Effects 0.000 claims description 22
- 230000002441 reversible effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims 8
- 238000005345 coagulation Methods 0.000 abstract description 42
- 230000015271 coagulation Effects 0.000 abstract description 42
- 230000000903 blocking effect Effects 0.000 abstract description 35
- 230000009286 beneficial effect Effects 0.000 abstract description 11
- 239000007789 gas Substances 0.000 abstract description 11
- 238000007664 blowing Methods 0.000 abstract description 3
- 239000012159 carrier gas Substances 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000000945 filler Substances 0.000 description 8
- 210000004907 gland Anatomy 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a coagulation blocking pipeline dredging device which comprises a steam pipeline, a propelling mechanism and a non-return mechanism, wherein one end of the steam pipeline is used for extending into the coagulation blocking pipeline, the other end of the steam pipeline is used for introducing steam, the propelling mechanism drives the steam pipeline to synchronously move towards the coagulation blocking pipeline or be separated from the steam pipeline and reversely move and reset, and the non-return mechanism is used for fixing the steam pipeline when the propelling mechanism reversely moves. The invention has the beneficial effects that: based on the characteristic that the coagulation and blockage medium has a high condensation point, common steam of a chemical device is adopted as the medium to melt and carry discharged gas for use. The pushing mechanism drives the steam pipeline to move to a coagulation and blocking point in the coagulation and blocking pipeline, the steam pipeline enables the steam to directly reach the coagulation and blocking point, the high temperature and the high pressure of the steam are used as a heat source for melting the coagulation and blocking medium, and the steam also has a carrier gas function of conveying the coagulation and blocking medium. The non-return mechanism is arranged on the steam pipeline to prevent the steam pipeline from withdrawing along with the propelling mechanism or withdrawing due to the steam back-blowing force.
Description
Technical Field
The invention relates to dredging equipment, in particular to dredging equipment for a congealing and blocking pipeline.
Background
Part of chemical process production relates to high freezing point medium, and the temperature of the pipeline is higher than the freezing point of the medium by heat tracing of related common pipelines, and the high freezing point medium is blocked when the high freezing point medium is led to flow into the pipeline without heat tracing due to heat tracing faults or misoperation. The coagulation and blockage is different from the blockage of a sewer in life, a medium with a high coagulation point can exist in a solid state for several meters or even dozens of meters in a pipeline, high-pressure gas is used for pushing the coagulation and blockage medium to move and dredge by means of absolute pressure, the danger is very high, the effect cannot be guaranteed, and the coagulation and blockage medium cannot be broken and discharged by using a conventional lengthened spring rotary dredging machine. After the heat tracing pipeline is subjected to fault elimination and needs to be melted for a long time, pressure dredging can be used, but the heat tracing pipeline is not designed, particularly the pipeline (such as an underground pipeline) which cannot be added with a temporary method cannot be dredged, and sometimes only a new pipe can be abandoned.
Disclosure of Invention
The invention aims to solve the technical problem of how to dredge the congealing and blocking pipelines.
The technical scheme for solving the technical problems is as follows: the utility model provides a congeal stifled pipeline mediation equipment, includes steam conduit, advancing mechanism and non return mechanism, steam conduit's one end is used for stretching into congeals stifled pipeline in, steam conduit's the other end is used for letting in steam, advancing mechanism drives steam conduit remove to congealing stifled pipeline in step or with steam conduit separation and reverse movement reset, non return mechanism is used for advancing mechanism is fixed during reverse movement steam conduit.
The invention has the beneficial effects that: the coagulation and blockage pipeline dredging equipment provided by the invention has the characteristic of high condensation point based on coagulation and blockage media, and adopts common steam of a chemical device as a medium to melt and carry discharged gas for use. The pushing mechanism drives the steam pipeline to move to a coagulation and blocking point in the coagulation and blocking pipeline, the steam pipeline enables the steam to directly reach the coagulation and blocking point, the high temperature and the high pressure of the steam are used as a heat source for melting the coagulation and blocking medium, and the steam also has a carrier gas function of conveying the coagulation and blocking medium. The non-return mechanism is arranged on the steam pipeline to prevent the steam pipeline from withdrawing along with the propelling mechanism or withdrawing due to the steam back-blowing force.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, advancing mechanism is including advancing board subassembly, propulsion handle and first elastic component, steam conduit passes advance the board subassembly and advance the board subassembly to congeal stifled pipeline when removing under its drive synchronous motion, and advance the board subassembly reverse movement when reseing with advance the board subassembly separation, advance the handle one end with advance the board subassembly and be connected and can drive advance the board subassembly to congealing stifled pipeline and remove, advance the handle and be in the drive that resets under the effect of first elastic component advance board subassembly reverse movement and reset.
The beneficial effect of adopting the further scheme is that: thereby pull propulsion handle drive and impel the board subassembly, impel the board subassembly and drive the steam conduit and remove, loosen behind the propulsion handle and impel the board subassembly and reset under the effect of first elastic component.
Further, the propulsion mechanism also includes a second elastic member that applies a force to the propulsion plate assembly that urges the propulsion plate assembly away from the clotted pipeline.
The beneficial effect of adopting the further scheme is that: after the pushing handle is loosened, the second elastic piece assists the resetting of the pushing plate component.
Further, the pushing plate assembly comprises a pushing connecting rod, at least two pushing plates and at least one third elastic piece, the at least two pushing plates and the at least one third elastic piece are alternately arranged and connected through the pushing connecting rod, the pushing handle is connected with one of the pushing plates, each pushing plate is provided with a pushing through hole, and the steam pipeline is clamped in the plurality of pushing through holes or is in sliding connection with the pushing through holes.
The beneficial effect of adopting the further scheme is that: the pushing resistance of the steam pipeline is large, and the pushing force can be increased by adopting a plurality of pushing plates.
Furthermore, congeal stifled pipeline dredging equipment still includes discharge mechanism, discharge mechanism includes delivery pipe and end plate, the one end of delivery pipe with end plate fixed connection, steam conduit passes in proper order the end plate with the delivery pipe, the middle part of delivery pipe has the discharge port, the other end of delivery pipe is used for with congeal stifled pipe connection, advancing mechanism with non return mechanism all install in on the end plate.
The beneficial effect of adopting the further scheme is that: the condensed blocking medium is melted under the action of high temperature of steam, and the melted medium is carried by the steam to flow back due to the blockage of the pipeline, so that the medium is discharged from a discharge port, and the discharge port can be connected with a pipe for drainage or directly discharged to a container.
Further, a sealing structure is arranged between the end plate and the steam pipeline.
The beneficial effect of adopting the further scheme is that: the gas is prevented from being discharged from the end plate, and the damage of high-temperature steam to a propelling mechanism or personnel is reduced.
Furthermore, congeal stifled pipeline dredging equipment still includes the housing, advancing mechanism is located in the housing, the both ends of housing all have the housing through-hole, the size of housing through-hole is less than advancing mechanism's size, steam conduit passes two the housing through-hole.
The beneficial effect of adopting the further scheme is that: the housing shields dust and oil mist and the like on one hand, and prevents the dust and oil mist in the environment from being attached to the propelling mechanism so as to cause blockage or abrasion. On the other hand, the two end surfaces of the housing can limit the movement of the propelling mechanism and limit the movement range of the propelling mechanism.
Further, the non return mechanism includes non return bracing piece, non return board, non return elastic component and non return guide arm, the non return bracing piece with the non return guide arm is all fixed to be set up, the one end of non return board with the non return bracing piece is articulated, and other end sliding sleeve is in on the non return guide arm, the non return through-hole has on the non return board, but the steam conduit one-wayly to congeal the card that stifled pipeline removed in the non return through-hole, the non return elastic component is right the force that makes it keep away from congealing stifled pipeline is applyed to the other end of non return board.
The beneficial effect of adopting the above further scheme is: under the effect of non return elastic component, the other end of non return board is kept away from congeals stifled pipeline, and non return board and steam conduit axis are out of plumb, and the projected area of non return through-hole on the plane of perpendicular to steam conduit axis reduces, and steam conduit is blocked by the non return through-hole and can't remove. When the steam pipeline moves towards the direction of the blocking pipeline, the steam pipeline pushes the check plate to move towards the blocking pipeline, the gradual check plate overcomes the elastic force of the check elastic piece and rotates to be perpendicular to the axis of the steam pipeline, and the check through hole can allow the steam pipeline to pass through smoothly.
Furthermore, congeal stifled pipeline dredging equipment still includes the containing box, be equipped with rotatable pivot in the containing box, steam conduit's middle part is convoluteed in the pivot, the lateral wall of containing box has the steam interface, steam conduit's the other end with steam interface intercommunication.
The beneficial effect of adopting the further scheme is that: the containing box is used for containing the steam pipeline, can also play the heat preservation effect to the middle part of steam pipeline.
Further, one end part of the steam pipeline is of an arc-shaped structure.
The beneficial effect of adopting the further scheme is that: reducing the resistance of entering the coagulation and blockage pipeline.
Drawings
FIG. 1 is a schematic structural diagram of a propelling mechanism of a dredging device for a coagulated pipeline in a reset position;
FIG. 2 is a schematic structural diagram of a propulsion mechanism of a dredging device for a blocked pipeline of the present invention when propelling a steam pipeline;
FIG. 3 is an enlarged partial view of a thrust plate assembly of a second embodiment of example 4;
fig. 4 is a partial enlarged view of the steam pipe end.
In the drawings, the components represented by the respective reference numerals are listed below:
1. steam pipeline, 2, propulsion board subassembly, 21, propulsion connecting rod, 22, propulsion board, 23, third elastic component, 3, propulsion handle, 4, first elastic component, 5, second elastic component, 6, discharge pipe, 61, discharge port, 7, end plate, 8, housing, 9, non return bracing piece, 10, non return board, 11, non return elastic component, 12, non return guide arm, 13, containing box, 131, steam interface, 14, packing, 15, gland.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
This embodiment provides a congeal stifled pipeline mediation equipment, including steam conduit 1, advancing mechanism and non return mechanism, steam conduit 1's one end is used for stretching into congeals stifled pipeline in, steam conduit 1's the other end is used for letting in steam, advancing mechanism drives steam conduit 1 in step to congeal stifled pipeline removal or with steam conduit 1 separation and reverse movement reset, non return mechanism is used for advancing mechanism fixed during reverse movement steam conduit.
The steam pipeline 1 may be a high-pressure-resistant and high-temperature-resistant rubber pipe lined with a steel wire mesh, or a high-pressure-resistant and high-temperature-resistant pipeline made of other materials. The steam pipe 1 is preferably made of a bendable material so as to enter a bent condensate blocking pipeline. The diameter of the steam pipeline 1 is selected according to the drift diameter of the coagulation and blockage pipeline, so that the steam pipeline 1 can pass through a 90-degree elbow under the pushing of external force.
When the steam pipeline is used, the steam pipeline 1, the non-return mechanism and the pushing mechanism are assembled, one end of the steam pipeline is aligned to an inlet of a blocking pipeline, the pushing mechanism drives the steam pipeline 1 to move towards the blocking pipeline, and at the moment, the non-return mechanism is loosened; and then the propulsion mechanism is separated from the steam pipeline 1 and moves reversely to reset, and at the moment, the non-return mechanism fixes the steam pipeline 1 to avoid the steam pipeline 1 from retreating.
The stifled pipeline dredging equipment congeals of this embodiment has the characteristics of high condensation point based on congeal stifled medium, adopts the commonly used steam of chemical plant device as the medium to melt and carry the gas of arranging outward and use. The propulsion mechanism drives the steam pipeline 1 to move to a coagulation and blocking point in the coagulation and blocking pipeline, the steam pipeline 1 enables the steam to directly reach the coagulation and blocking point, the high temperature and the high pressure of the steam are used as a heat source for melting coagulation and blocking media, and the steam also has a carrier gas function of conveying the coagulation and blocking media. The non-return mechanism is arranged on the steam pipeline 1 to prevent the steam pipeline 1 from withdrawing along with the propelling mechanism or withdrawing due to the steam back-blowing force.
Example 2
On the basis of embodiment 1, for the propulsion mechanism, a manipulator can be used for grasping the steam pipeline 1 and moving towards the blocked pipeline, the manipulator moves reversely to reset after loosening the steam pipeline 1, the manipulator can be automatically grasped or loosened according to a control instruction, the implementation can be realized by adopting the prior art, and details are not repeated herein; or the propelling mechanism can also be: propulsion mechanism is including advancing board subassembly 2, propulsion handle 3 and first elastic component 4, steam conduit 1 passes propulsion board subassembly 2 and advancing board subassembly 2 synchronous motion under its drive when blocking up the pipeline removal to congealing, and advancing board subassembly 2 when the reverse movement resets with advance board subassembly 2 separation, the one end of propulsion handle 3 with advance board subassembly 2 and be connected and can drive advance board subassembly 2 and remove to congealing stifled pipeline, propulsion handle 3 is in the drive that resets under the effect of first elastic component 4 advance board subassembly 2 reverse movement resets.
Wherein, the propulsion handle 3 is directly fixedly connected or hinged with the propulsion plate component 2; or the propelling handle 3 is in transmission connection with the propelling plate component 2 through a transmission component, and the transmission component can be a connecting rod, a gear rack or other transmission structures. The propulsion handle 3 may be manually operated by the user or may be connected to a motor for actuation.
The first elastic member 4 may be a coil spring, a belleville spring, or other elastic member.
Pulling the pushing handle 3 to drive the pushing plate assembly 2, wherein the pushing plate assembly 2 drives the steam pipeline 1 to move, and after the pushing handle 3 is loosened, the pushing handle 3 and the pushing plate assembly 2 reset under the action of the first elastic piece 4.
Example 3
On the basis of embodiment 2, the pushing mechanism further comprises a second elastic member 5, and the second elastic member 5 applies a force to the pushing plate assembly 2 to make the pushing plate assembly far away from the coagulated pipeline.
After releasing the push handle 3, the second elastic member 5 assists in restoring the push plate assembly 2.
The second elastic member 5 may be a coil spring, a belleville spring, or other elastic component.
Example 4
On the basis of embodiment 2 or embodiment 3, the propulsion plate assembly 2 can be implemented by the following two embodiments:
implementation mode one
The propulsion plate assembly 2 can be a propulsion block with a through hole, the steam pipeline 1 penetrates through the propulsion block, a rubber sealing ring is fixed in the through hole of the propulsion block, and the rubber sealing ring is tightly matched with the steam pipeline 1. The frictional force that impels the piece and produce through rubber seal holds tightly steam conduit 1 removes to congealing stifled pipeline, impel the piece reverse movement when reseing, because the frictional force that rubber seal produced is less than non return mechanism is fixed steam conduit 1's power, consequently impel the piece can for steam conduit 1 removes and resets.
Second embodiment
As shown in fig. 1 and 3, the pushing plate assembly 2 includes a pushing connecting rod 21, at least two pushing plates 22 and at least one third elastic member 23, the at least two pushing plates 22 and the at least one third elastic member 23 are alternately arranged and connected through the pushing connecting rod 21, the pushing handle 3 is connected to one of the pushing plates 22, each pushing plate 22 has a pushing through hole, and the steam pipe 1 is clamped in or slidably connected to the plurality of pushing through holes.
The third elastic member 23 may be one or more coil springs, belleville springs, or other elastic members. The third elastic member 23 may be an annular spring sleeved outside the steam pipe, and when there are a plurality of connecting rods 21, the third elastic member 23 may also be a plurality of small springs combined together to be called the third elastic member 23. Specifically, as shown in fig. 3, the pushing link 21 is provided in plurality, and the third elastic member 23 is formed by a plurality of springs and is disposed in one-to-one correspondence with the plurality of pushing link 21. At least two thrust plates 22 and at least one third elastic element 23 are alternately sleeved on the thrust connecting rod 21.
When the steam pipeline pushing device is used, the pushing handle 3 is pulled to drive the pushing plate 22 to move, as shown in fig. 2, the pushing plate 22 is inclined to be not perpendicular to the axis of the steam pipeline 1, so that the pushing through hole clamps the steam pipeline 1, the pushing handle 3 is pulled continuously, and the pushing plate 22 drives the steam pipeline 1 to move. After the pushing handle 3 is released, the pushing handle 3 and the pushing plate 22 are reset under the action of the first elastic member 4. When a plurality of thrust plates 22 are provided, the contact area between the thrust plate 22 and the steam pipe 1 is increased and the frictional force therebetween is increased as compared with the case of one thrust plate 22, thereby increasing the thrust force to the steam pipe 1. Multiple sets of third elastic members 23 are alternately arranged among the plurality of thrust plates 22, so that the overall structure formed by the plurality of thrust plates 22 can be flexibly deformed.
For the technical solution obtained by combining the present embodiment with embodiment 3, as shown in fig. 1, the second elastic member 5 is installed at one end of the pushing plate assembly 2 close to the coagulation blockage pipeline, and the pushing handle 3 is connected with the pushing plate 22 at one end far from the coagulation blockage pipeline.
Example 5
On the basis of any technical scheme in embodiment 1-embodiment 4, the blockage pipeline dredging device further comprises a discharge mechanism, the discharge mechanism comprises a discharge pipe 6 and an end plate 7, one end of the discharge pipe 6 is fixedly connected with the end plate 7, the steam pipeline 1 sequentially passes through the end plate 7 and the discharge pipe 6, a discharge port 61 is arranged in the middle of the discharge pipe 6, the other end of the discharge pipe 6 is used for being connected with the blockage pipeline, and the propulsion mechanism and the check mechanism are both arranged on the end plate 7.
Wherein, preferably, the other end of the discharge pipe 6 can be connected with the coagulation blockage pipeline through a flange.
The condensed blocking medium is melted under the action of high temperature of steam, and the melted medium is carried by the steam to flow back due to the blockage of the condensed blocking pipeline, so that the medium is discharged from a discharge port 61 of the discharge pipe 6, and the discharge port 61 can be connected for drainage or directly discharged to a container.
Example 6
On the basis of embodiment 5, a sealing structure is arranged between the end plate 7 and the steam pipeline 1.
Wherein the sealing structure is adapted to prevent gas from passing between the end plate 7 and the steam pipe 1. The sealing structure can be a sealing ring; or as shown in fig. 1, a counter bore is formed at a position on one side of the end plate 7, which passes through the steam pipe 1, the counter bore is filled with filler 14, the filler 14 is compressed and fixed in the counter bore by a gland 15, and the tightness between the filler 14 and the steam pipe 1 can be adjusted by adjusting the compression force of the gland 15.
Example 7
On the basis of any technical scheme in embodiment 1-embodiment 6, the device for dredging congealed and blocked pipelines further comprises a housing 8, the propulsion mechanism is positioned in the housing 8, housing through holes are formed in two ends of the housing 8, the size of each housing through hole is smaller than that of the propulsion mechanism, and the steam pipeline 1 penetrates through the two housing through holes.
The housing 8 on the one hand shields dust and oil mist etc. from the environment and prevents the dust and oil mist from adhering to the propulsion mechanism and thereby becoming clogged or worn. On the other hand, the two end surfaces of the housing 8 can limit the movement of the propulsion mechanism, and limit the movement range of the propulsion mechanism.
For the technical solution obtained by combining the present embodiment with embodiment 5, the housing 8 is fixedly installed on the side of the end plate 7 away from the condensate blocking pipeline.
Example 8
On the basis of any one of the technical solutions in embodiments 1 to 7, the non-return mechanism can be implemented by using an automatically controlled manipulator, and when the pushing mechanism does not drive the steam pipeline 1 to move, the manipulator grasps the steam pipeline 1 to prevent the steam pipeline 1 from moving. The manipulator can be automatically grasped or loosened according to the control instruction, and can be realized by adopting the prior art, and the details are not repeated. Alternatively, the check mechanism may be another structure that allows the steam pipe 1 to pass through in one direction.
As shown in fig. 1 and 2, the check mechanism may also be: the non-return mechanism includes non-return bracing piece 9, non-return board 10, non-return elastic component 11 and non-return guide arm 12, non-return bracing piece 9 with non-return guide arm 12 is all fixed to be set up, the one end of non-return board 10 with non-return bracing piece 9 is articulated, and other end sliding sleeve is in on the non-return guide arm 12, the non-return through-hole has on the non-return board 10, but the card that steam conduit 1 one-wayly removed to congealing stifled pipeline in the non-return through-hole, non-return elastic component 11 is right the other end of non-return board 10 is applyed and is made its power of keeping away from congealing stifled pipeline.
And a check plate limiting part is arranged on the check guide rod 12 and is positioned on one side of the check plate 10, which is far away from the coagulation and blockage pipeline.
The check elastic element 11 may be disposed on one side of the check plate 10 away from the coagulation and blockage pipeline, and one end of the check elastic element is fixed, and the other end of the check elastic element is fixed with the check plate 10. Alternatively, as shown in fig. 1, the check elastic member 11 may be disposed on a side of the check plate 10 adjacent to the coagulation blocking pipe. Preferably, the check elastic member 11 is sleeved on the check guide rod 12.
Under the effect of non return elastic component 11, the other end of non return board 10 is kept away from congealing stifled pipeline, and non return board 10 is not perpendicular with steam conduit 1 axis, and the projected area of non return through-hole on the plane of perpendicular to steam conduit 1 axis reduces, and steam conduit 1 is blocked by the non return through-hole and can't remove. When the steam pipeline 1 moves towards the direction of the blocking pipeline, the steam pipeline 1 pushes the check plate 10 to move towards the blocking pipeline, the gradual check plate 10 overcomes the elastic force of the check elastic piece 11 and rotates to be perpendicular to the axis of the steam pipeline 1, and the check through hole can allow the steam pipeline 1 to pass through smoothly. Therefore, the steam pipeline 1 can only move towards the coagulation blocking pipeline but cannot move reversely, and the steam pipeline 1 can be effectively prevented from exiting the coagulation blocking pipeline under the thrust of steam.
For the technical solution obtained by combining the present embodiment with embodiment 7, the check support rod 9 and the check guide rod 12 are both fixedly connected to the housing 8.
Example 9
On the basis of any technical scheme in embodiment 1-embodiment 8, the clogging pipe dredging device further comprises a storage box 13, a rotatable rotating shaft is arranged in the storage box 13, the middle of the steam pipeline 1 is wound on the rotating shaft, a steam interface 131 is arranged on the side wall of the storage box 13, and the other end of the steam pipeline 1 is communicated with the steam interface 131.
Preferably, the inner wall of the storage box 13 is provided with a heat insulating material.
Preferably, the outer side of the storage box 13 is provided with a storage handle fixed to one end of the rotating shaft, and the storage handle can drive the rotating shaft to rotate when rotating, so that the steam pipeline 1 wound around the rotating shaft is released or stored.
Wherein, have the steam flow channel in the pivot, the other end tip of pivot has the pivot air inlet, the pivot air inlet pass through the pipeline with steam interface 131 intercommunication, the lateral wall of pivot has the pivot gas outlet, the pivot gas outlet with steam conduit 1's the other end is connected and is communicated. Thus, the other end of the steam pipeline 1 is communicated with the steam port 131 through the rotating shaft. In the rotating process of the rotating shaft, steam can be introduced into the steam pipeline 1 all the time.
Example 10
As shown in fig. 4, on the basis of any one of the embodiments 1 to 9, one end of the steam pipeline 1 is in an arc structure. The arc-shaped structure at one end of the steam pipeline 1 can reduce the resistance when the steam pipeline enters the coagulation and blockage pipeline.
Example 11
As shown in fig. 1 to 4, the present embodiment is a specific embodiment based on the above embodiments. This embodiment provides a congeal stifled pipeline mediation equipment, including steam conduit 1, advancing mechanism and non return mechanism, steam conduit 1's one end is passed non return mechanism with advancing mechanism is used for stretching into congeals in the stifled pipeline, steam conduit 1's the other end is used for letting in steam, advancing mechanism drives steam conduit 1 removes or with congeal stifled pipeline 1 separation and reverse movement reset in step, non return mechanism is used for advancing mechanism fixes during reverse movement steam conduit.
The steam pipeline 1 adopts a high-pressure-resistant and high-temperature-resistant rubber pipe lined with a steel wire mesh.
Further, advancing mechanism is including advancing board subassembly 2, propulsion handle 3 and first elastic component 4, steam conduit 1 passes advance board subassembly 2 and be in advance board subassembly 2 moves under its drive synchronous motion when congealing stifled pipeline and remove, and is in advance board subassembly 2 reverse movement when reseing with advance board subassembly 2 separation, the one end of propulsion handle 3 with advance board subassembly 2 and be connected and can drive advance board subassembly 2 removes to congealing stifled pipeline, propulsion handle 3 is in the drive that resets under the effect of first elastic component 4 advance board subassembly 2 reverse movement resets.
The first elastic member 4 is a coil spring. The propelling handle 3 is in transmission connection with the propelling plate component 2 through a connecting rod.
Further, the propelling mechanism further comprises a second elastic part 5, and the second elastic part 5 applies force to the propelling plate component 2 to enable the propelling plate component to be away from the coagulated pipeline.
The second elastic member 5 is a coil spring, and the second elastic member 5 is sleeved outside the steam pipeline 1.
Further, the pushing plate assembly 2 comprises a pushing connecting rod 21, at least two pushing plates 22 and at least one third elastic member 23, the at least two pushing plates 22 and the at least one third elastic member 23 are alternately arranged and connected through the pushing connecting rod 21, the pushing handle 3 is connected with one of the pushing plates 22, each pushing plate 22 is provided with a pushing through hole, and the steam pipeline 1 is clamped in the pushing through holes or is in sliding connection with the pushing through holes.
The third elastic member 23 is a plurality of coil springs, as shown in fig. 3, the pushing connecting rods 21 are a plurality of, and the plurality of coil springs of the third elastic member 23 and the plurality of pushing connecting rods 21 are arranged in a one-to-one correspondence manner. At least two thrust plates 22 and at least one third elastic element 23 are alternately sleeved on the thrust connecting rod 21. The second elastic piece 5 is arranged at one end of the pushing plate component 2 close to the coagulation and blockage pipeline, and the pushing handle 3 is connected with the pushing plate 22 at one end far away from the coagulation and blockage pipeline.
Further, congeal stifled pipeline dredging equipment still includes the discharge mechanism, the discharge mechanism includes discharge pipe 6 and end plate 7, the one end of discharge pipe 6 with end plate 7 fixed connection, steam conduit 1 passes in proper order end plate 7 with discharge pipe 6, discharge pipe 6's middle part has discharge port 61, discharge pipe 6's the other end be used for with congeal stifled pipe connection, advancing mechanism with non return mechanism all install in on the end plate 7.
The other end of the discharge pipe 6 may be connected to a plugging line via a flange.
Further, a sealing structure is arranged between the end plate 7 and the steam pipeline 1. Wherein the sealing structure is adapted to prevent gas from passing between the end plate 7 and the steam pipe 1. As shown in fig. 1, a counter bore is formed in a position where one side of the end plate 7 penetrates around the steam pipe 1, a filler 14 is filled in the counter bore, the filler 14 is compressed and fixed in the counter bore by a gland 15, and the tightness between the filler 14 and the steam pipe 1 can be adjusted by adjusting the pressing force of the gland 15.
Furthermore, congeal stifled pipeline dredging equipment still includes housing 8, advancing mechanism is located in housing 8, the both ends of housing 8 all have the housing through-hole, the size of housing through-hole is less than advancing mechanism's size, steam conduit 1 passes two the housing through-hole.
The housing 8 is fixedly arranged on one side of the end plate 7 far away from the coagulation and blockage pipeline. One end of the propulsion handle 3 is connected with the propulsion plate 22 at one end far away from the coagulation and blockage pipeline, and the other end of the propulsion handle 3 extends out of the housing 8. The propulsion handle 3 may be manually operated by the user or may be connected to a motor for actuation.
Further, non return mechanism includes non return bracing piece 9, non return board 10, non return elastic component 11 and non return guide arm 12, non return bracing piece 9 with non return guide arm 12 is all fixed to be set up, non return board 10 one end with non return bracing piece 9 is articulated, and other end sliding sleeve is in on the non return guide arm 12, the non return through-hole has on the non return board 10, but the card that steam conduit 1 one-wayly removed to congealing stifled pipeline is in the non return through-hole, non return elastic component 11 is right the other end of non return board 10 is applyed and is made its power of keeping away from congealing stifled pipeline.
The non-return support rod 9 and the non-return guide rod 12 are fixedly connected with the outer wall of one side, far away from the coagulation and blockage pipeline, of the housing 8.
Further, congeal stifled pipeline dredging equipment still includes containing box 13, be equipped with rotatable pivot in the containing box 13, steam conduit 1's middle part is convoluteed in the pivot, containing box 13's lateral wall has steam interface 131, steam conduit 1's the other end with steam interface 131 communicates.
Preferably, the inner wall of the storage box 13 is provided with a heat insulating material. The outer side of the containing box 13 is provided with a containing handle fixed with one end of the rotating shaft, and the containing handle can drive the rotating shaft to rotate when rotating, so that the steam pipeline 1 wound on the rotating shaft is released or contained.
Wherein, have the steam flow channel in the pivot, the other end tip of pivot has the pivot air inlet, the pivot air inlet pass through the pipeline with steam interface 131 intercommunication, the lateral wall of pivot has the pivot gas outlet, the pivot gas outlet with steam conduit 1's the other end is connected and is communicated. Thus, the other end of the steam pipe 1 is communicated with the steam port 131 through the rotation shaft. In the rotating process of the rotating shaft, steam can be introduced into the steam pipeline 1 all the time.
Further, one end of the steam pipeline 1 is in an arc structure.
When the stifled pipeline dredging equipment of congealing of this embodiment uses, install the gasket additional with the flange of the stifled pipeline of congealing of the other end tip of delivery pipe 6 and being dredged and use bolted connection, steam conduit 1's one end is taken out from containing box 13 and is passed check plate 10 in proper order, a plurality of propulsion boards 22, filler 14 and delivery pipe 6, then get into congeals stifled pipeline, adjustable gland 15's elasticity is with the guarantee filler 14 and steam conduit 1 between airtight, it need not tight death to adjust gland 15, discharge port 61 takes over the drainage or directly arranges to the container. Insert steam with storage box 13's steam interface 131, pull propulsion handle 3, steam conduit 1 removes to congealing stifled pipeline, congeals stifled medium and melts and discharge through discharge port 61 along with steam. After the operation is repeated, the nut on the non-return guide rod 12 is removed after the dredging is finished, the containing handle is rotated, the steam pipeline 1 is collected into the containing box 13, and the discharge pipe 6 is removed from the coagulation and blockage pipeline.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a congeal stifled pipeline mediation equipment, its characterized in that, includes steam conduit (1), advancing mechanism and non return mechanism, the one end of steam conduit (1) is used for stretching into congeals in stifled pipeline, the other end of steam conduit (1) is used for letting in steam, advancing mechanism drives steam conduit (1) in step to congeal stifled pipeline removal or with steam conduit (1) separation and reverse movement reset, non return mechanism is used for advancing mechanism fixes during reverse movement steam conduit (1).
2. The apparatus for dredging clogged pipeline according to claim 1, wherein said propulsion mechanism comprises a propulsion plate assembly (2), a propulsion handle (3) and a first elastic member (4), said steam pipeline (1) passes through said propulsion plate assembly (2) and is driven by said propulsion plate assembly (2) to move synchronously, and is separated from said propulsion plate assembly (2) when said propulsion plate assembly (2) moves reversely and is reset, one end of said propulsion handle (3) is connected to said propulsion plate assembly (2) and can drive said propulsion plate assembly (2) to move towards the clogged pipeline, said propulsion handle (3) is reset by said first elastic member (4) to drive said propulsion plate assembly (2) to move reversely and reset.
3. The apparatus of claim 2, wherein the urging means further comprises a second resilient member (5), the second resilient member (5) applying a force to the urging plate assembly (2) to urge it away from the clogged pipe.
4. The apparatus for dredging clogged pipes according to claim 2, wherein said pushing plate assembly (2) comprises a pushing connecting rod (21), at least two pushing plates (22) and at least one third elastic member (23) are alternately arranged and connected through said pushing connecting rod (21), said pushing handle (3) is connected with one of said pushing plates (22), each of said pushing plates (22) has a pushing through hole, and said steam pipe (1) is stuck in or slidingly connected with said pushing through holes.
5. The apparatus for dredging clogged piping according to claim 1, wherein said apparatus further comprises a discharging mechanism, said discharging mechanism comprises a discharging pipe (6) and an end plate (7), one end of said discharging pipe (6) is fixedly connected to said end plate (7), said steam pipe (1) passes through said end plate (7) and said discharging pipe (6) in sequence, said discharging pipe (6) has a discharging port (61) at a middle portion thereof, another end of said discharging pipe (6) is used for being connected to the clogged piping, said propelling mechanism and said non-return mechanism are installed on said end plate (7).
6. The apparatus for unclogging a pipe according to claim 5, wherein a sealing structure is provided between the end plate (7) and the steam pipe (1).
7. The apparatus for dredging clogged pipes according to claim 1, wherein said apparatus further comprises a housing (8), said propulsion mechanism is located in said housing (8), said housing (8) has housing through holes at both ends, said housing through holes have a size smaller than that of said propulsion mechanism, and said steam pipe (1) passes through both said housing through holes.
8. The device for dredging the coagulation-blocking pipeline according to claim 1, wherein the non-return mechanism comprises a non-return support rod (9), a non-return plate (10), a non-return elastic piece (11) and a non-return guide rod (12), the non-return support rod (9) and the non-return guide rod (12) are both fixedly arranged, one end of the non-return plate (10) is hinged to the non-return support rod (9), the other end of the non-return support rod is slidably sleeved on the non-return guide rod (12), the non-return plate (10) is provided with a non-return through hole, the steam pipeline (1) can be unidirectionally clamped in the non-return through hole towards the coagulation-blocking pipeline, and the non-return elastic piece (11) applies force to the other end of the non-return plate (10) to enable the non-return elastic piece to be far away from the coagulation-blocking pipeline.
9. The apparatus for dredging clogged pipeline according to any one of claims 1 to 8, wherein said apparatus further comprises a container (13), a rotatable shaft is disposed in said container (13), the middle portion of said steam pipeline (1) is wound around said shaft, a steam port (131) is disposed on a side wall of said container (13), and the other end of said steam pipeline (1) is connected to said steam port (131).
10. The apparatus for dredging clogged pipes according to any one of claims 1 to 8, wherein one end of said steam pipe (1) is formed in an arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110087350.6A CN114798613A (en) | 2021-01-22 | 2021-01-22 | Stifled pipeline dredging equipment congeals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110087350.6A CN114798613A (en) | 2021-01-22 | 2021-01-22 | Stifled pipeline dredging equipment congeals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114798613A true CN114798613A (en) | 2022-07-29 |
Family
ID=82524768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110087350.6A Pending CN114798613A (en) | 2021-01-22 | 2021-01-22 | Stifled pipeline dredging equipment congeals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114798613A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1556262A (en) * | 1975-12-15 | 1979-11-21 | Elversson Tord Erland | Tool for progressing a flexible leading wire through a hollow passage |
| CN2400186Y (en) * | 1999-12-22 | 2000-10-11 | 张伟尔 | Strong and antiskid caulking gun |
| CN2418962Y (en) * | 2000-05-12 | 2001-02-14 | 张伟尔 | Gap blocking gun |
| KR20130045449A (en) * | 2011-10-26 | 2013-05-06 | 주식회사 포스코 | An apparatus for eliminating the solidifying of inner piping |
| CN103358273A (en) * | 2013-06-05 | 2013-10-23 | 张坤东 | Pusher |
| CN104624573A (en) * | 2015-01-28 | 2015-05-20 | 杨玉林 | Device and method for dredging gas production pipeline blocked due to freezing |
| CN205904897U (en) * | 2016-07-14 | 2017-01-25 | 张坤东 | Multipurpose adjustment pressure pincers |
| DE102015224999A1 (en) * | 2015-12-11 | 2017-06-14 | Stanova Stanztechnik GmbH | Cable duct punching apparatus and method for punching cable ducts |
| US20170362955A1 (en) * | 2015-02-03 | 2017-12-21 | Mitsubishi Hitachi Power Systems, Ltd. | Piping system cleaning method, piping system, and steam turbine plant |
| CN209792180U (en) * | 2019-01-29 | 2019-12-17 | 广州华圣盾实业有限公司 | pulse pipeline cleaning machine |
| CN210187943U (en) * | 2019-05-28 | 2020-03-27 | 苏州诺华德工业风机制造有限公司 | General type boiler tube inner wall belt cleaning device and boiler tube maintain maintenance device |
| CN211275769U (en) * | 2019-10-16 | 2020-08-18 | 厦门曙光伟业建设有限公司 | Building drainage plastic pipe dredger |
| CN211304105U (en) * | 2019-11-07 | 2020-08-21 | 中建安装集团有限公司 | Movable frock based on high temperature high pressure steam line sweeps |
| CN211330109U (en) * | 2019-09-26 | 2020-08-25 | 高军 | Glass glues moulding gun for assembly type structure |
| CN211678606U (en) * | 2019-12-13 | 2020-10-16 | 福建一建集团有限公司 | Caulking gun for building construction |
| CN111775022A (en) * | 2020-07-28 | 2020-10-16 | 杭州唛唐智能科技有限公司 | Transmission steel pipe grinding device |
| CN214348391U (en) * | 2021-01-22 | 2021-10-08 | 山西潞安煤基清洁能源有限责任公司 | Stifled pipeline dredging equipment congeals |
-
2021
- 2021-01-22 CN CN202110087350.6A patent/CN114798613A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1556262A (en) * | 1975-12-15 | 1979-11-21 | Elversson Tord Erland | Tool for progressing a flexible leading wire through a hollow passage |
| CN2400186Y (en) * | 1999-12-22 | 2000-10-11 | 张伟尔 | Strong and antiskid caulking gun |
| CN2418962Y (en) * | 2000-05-12 | 2001-02-14 | 张伟尔 | Gap blocking gun |
| KR20130045449A (en) * | 2011-10-26 | 2013-05-06 | 주식회사 포스코 | An apparatus for eliminating the solidifying of inner piping |
| CN103358273A (en) * | 2013-06-05 | 2013-10-23 | 张坤东 | Pusher |
| CN104624573A (en) * | 2015-01-28 | 2015-05-20 | 杨玉林 | Device and method for dredging gas production pipeline blocked due to freezing |
| US20170362955A1 (en) * | 2015-02-03 | 2017-12-21 | Mitsubishi Hitachi Power Systems, Ltd. | Piping system cleaning method, piping system, and steam turbine plant |
| DE102015224999A1 (en) * | 2015-12-11 | 2017-06-14 | Stanova Stanztechnik GmbH | Cable duct punching apparatus and method for punching cable ducts |
| CN205904897U (en) * | 2016-07-14 | 2017-01-25 | 张坤东 | Multipurpose adjustment pressure pincers |
| CN209792180U (en) * | 2019-01-29 | 2019-12-17 | 广州华圣盾实业有限公司 | pulse pipeline cleaning machine |
| CN210187943U (en) * | 2019-05-28 | 2020-03-27 | 苏州诺华德工业风机制造有限公司 | General type boiler tube inner wall belt cleaning device and boiler tube maintain maintenance device |
| CN211330109U (en) * | 2019-09-26 | 2020-08-25 | 高军 | Glass glues moulding gun for assembly type structure |
| CN211275769U (en) * | 2019-10-16 | 2020-08-18 | 厦门曙光伟业建设有限公司 | Building drainage plastic pipe dredger |
| CN211304105U (en) * | 2019-11-07 | 2020-08-21 | 中建安装集团有限公司 | Movable frock based on high temperature high pressure steam line sweeps |
| CN211678606U (en) * | 2019-12-13 | 2020-10-16 | 福建一建集团有限公司 | Caulking gun for building construction |
| CN111775022A (en) * | 2020-07-28 | 2020-10-16 | 杭州唛唐智能科技有限公司 | Transmission steel pipe grinding device |
| CN214348391U (en) * | 2021-01-22 | 2021-10-08 | 山西潞安煤基清洁能源有限责任公司 | Stifled pipeline dredging equipment congeals |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5103524A (en) | Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices | |
| CN214348391U (en) | Stifled pipeline dredging equipment congeals | |
| CN104903548B (en) | The variable bleeder valve of gas-turbine unit two-freedom for obtaining ice | |
| EP0688853A1 (en) | Closure device for upper head of coking drums | |
| CN112337908A (en) | Pipeline inner wall cleaning equipment | |
| CN114798613A (en) | Stifled pipeline dredging equipment congeals | |
| CN113230780A (en) | Air purification equipment for environmental protection engineering | |
| KR101536403B1 (en) | Apparatus for removing foreign material in pipe | |
| AU4593699A (en) | Multisize bidirectional scraping device | |
| CN110773526B (en) | Pipe inner wall cleaning device and cleaning method | |
| CN113207629B (en) | Agricultural irrigation water saving system | |
| JP3078772B2 (en) | Bag filter device | |
| CN112206593A (en) | Take filter core clearance system's air compressor machine | |
| CN113941938A (en) | Scrap iron remover for machining precise parts based on negative pressure | |
| US20050151411A1 (en) | Kiln cleaning apparatus | |
| CN220555300U (en) | Automobile air conditioner pipeline connection pressing plate | |
| CN112893344A (en) | Pipeline cleaning device | |
| KR200431193Y1 (en) | cleaning robot for garbage discharging pipe | |
| CN112032020B (en) | Dry vacuum pump for intelligently purging gas based on chemical reaction principle and using method thereof | |
| CN218079464U (en) | Cleaning device, connecting tube assembly and crystal growth equipment | |
| CN219733775U (en) | High-efficiency hydraulic valve | |
| CN216825412U (en) | Wet dust collector with blockage clearing function | |
| CN115301645B (en) | Deslagging device and deslagging method for gas sampling pipeline | |
| CN108654293B (en) | Exhaust system used in rubber waste heating and crushing process | |
| CN218441268U (en) | Gas pipeline dredging 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 |