CN111022782A - Pressure-resistant plastic buried urban pipeline - Google Patents
Pressure-resistant plastic buried urban pipeline Download PDFInfo
- Publication number
- CN111022782A CN111022782A CN201911208652.3A CN201911208652A CN111022782A CN 111022782 A CN111022782 A CN 111022782A CN 201911208652 A CN201911208652 A CN 201911208652A CN 111022782 A CN111022782 A CN 111022782A
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- Prior art keywords
- pipeline
- pressure
- layer
- flange
- fixing flange
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of pipelines, in particular to a pressure-resistant plastic buried urban pipeline which comprises a pipeline body and a tail pipeline, wherein the pipeline body comprises an external pipeline and an internal pipeline, a first fixing flange is arranged at one end of the external pipeline, a second fixing flange is arranged at the other end of the external pipeline, a plurality of fixing thread threaded holes are formed in the first fixing flange and the second fixing flange respectively, an inserting plate is arranged at one end of the second fixing flange, an inserting groove inserted with the inserting plate is formed in the first fixing flange, a sliding groove is formed in the inner wall of the external pipeline, a sliding shaft matched with the sliding groove is arranged on the outer wall of the internal pipeline, and a tail flange is arranged at one end of the tail pipeline. According to the invention, the inner pipeline is connected in the outer pipeline in a sliding manner through the sliding shaft and the sliding groove, so that when the outer pipeline is installed, the inner pipeline is pushed by the hydraulic rod to move in the outer pipeline, and the inner pipeline is closed at the joint of the pipeline body.
Description
Technical Field
The invention relates to the technical field of pipeline devices, in particular to a pressure-resistant plastic buried urban pipeline.
Background
At present, pipelines are devices for transporting gases, liquids or fluids with solid particles, which are connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations. At present, the waterproof and pressure-resistant structural functions of pipelines in building structures are very important, but the connecting parts of the pipelines which are often used for urban buildings have poor waterproof and pressure-resistant performances, and water leakage and fracture phenomena can be generated.
Disclosure of Invention
The invention aims to provide a pressure-resistant plastic buried urban pipeline, which solves the problems that the joint of the pipeline for urban buildings proposed in the background art has poor waterproof and pressure-resistant performance, and water leakage and fracture can occur.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a bury urban pipeline with withstand voltage plastics, includes pipeline body and afterbody pipeline, the pipeline body includes outside pipeline and internal pipeline, the one end of outside pipeline is provided with first mounting flange, the other end of outside pipeline is provided with second mounting flange, first mounting flange with a plurality of fixed thread screw holes have all been seted up on the second mounting flange, the one end of second mounting flange is provided with the plugboard, set up on the first mounting flange with the inserting groove that the plugboard pegged graft, the spout has been seted up to the inner wall of outside pipeline, the outer wall of internal pipeline be provided with spout complex sliding shaft, the one end of afterbody pipeline is provided with the afterbody flange, the spacing groove has been seted up in the afterbody flange.
Preferably, the outer wall of the external pipeline is provided with an anti-corrosion layer, the inner wall of the anti-corrosion layer is provided with a bearing layer, the inner wall of the bearing layer is provided with a pressure-resistant layer, the inner wall of the pressure-resistant layer is provided with a heat-insulating layer, and the inner wall of the heat-insulating layer is provided with an inner wall contact layer.
Preferably, the pressure-resistant layer is filled with spiral reinforcing steel bars, and the spiral reinforcing steel bars are arranged in a spiral manner.
Preferably, the first fixing flange and the second fixing flange are fixedly connected to both ends of the external pipe.
Preferably, the inner pipe is slidably connected in the outer pipe through the sliding shaft and the sliding groove.
Preferably, the plurality of pipeline bodies are connected through the first fixing flange and the second fixing flange, and the pipeline bodies are connected with the tail pipeline through the first fixing flange and the second fixing flange.
Preferably, the anti-corrosion layer uses the steel material to make, and scribbles one deck resin base lacquer at the surface of steel material, it uses the stereotype material to make to accept the layer, the resistance to pressure layer all uses the rubber material to make, the spiral reinforcement reinforcing bar uses steel material to make, the heat preservation uses the aluminium silicate material to make, the inner wall contact layer uses PVC waterproofing membrane to make.
Preferably, the spiral reinforcing steel bar is fixedly connected in the pressure-resistant layer.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a plurality of pipeline bodies are connected through the first fixing flange and the second fixing flange, the pipeline bodies are also connected with the tail pipeline through the first fixing flange and the second fixing flange, so that the installation and the disassembly are convenient, the inner pipeline is connected in the outer pipeline in a sliding way through the sliding shaft and the sliding groove, when the outer pipeline is installed, the inner pipeline is pushed through the hydraulic rod, so that the inner pipeline moves in the outer pipeline, the inner pipeline seals the connection position of the pipeline bodies, and the pressure resistance of the pipeline bodies can be greatly improved while the sealing performance is improved.
2. In the invention, the spiral reinforcing steel bars in the pressure-resistant layer are arranged in a spiral manner, so that the pressure resistance of the external pipeline is further improved while the strength of the external pipeline is improved.
3. In the invention, the first fixing flange of the previous pipeline body is fixedly connected with the second fixing flange of the next pipeline body 1 through bolts, and the insertion plate on the second fixing flange is inserted into the insertion groove on the first fixing flange, so that the sealing property between the pipeline bodies is improved.
Drawings
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic view of the internal piping structure of the present invention;
FIG. 3 is a schematic cross-sectional view of an outer pipe of the present invention;
FIG. 4 is a side view of a first flange according to the present invention;
FIG. 5 is a schematic view of the connection structure of the pipe body and the tail pipe of the present invention;
fig. 6 is a schematic structural view of the tail flange of the present invention.
In the figure: 1. a pipe body; 2. an external pipe; 21. a first fixed flange; 211. inserting grooves; 212. a card slot; 22. a second fixed flange; 221. fixing the threaded hole; 23. a plugboard; 24. an anti-corrosion layer; 25. a receiving layer; 26. a pressure-resistant layer; 27. spirally reinforcing the reinforcing steel bars; 28. a heat-insulating layer; 29. an inner wall contact layer; 210. a chute; 3. an inner conduit; 31. a slide shaft; 4. a tail duct; 5. a tail flange; 51. a limiting groove.
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.
In the description of the present invention, it is to be understood that the terms "center", "centerline", "longitudinal", "lateral", "length", "width", "thickness", "depth", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, also in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
A pressure-resistant plastic buried city pipeline, in order to solve the problem of poor waterproof and pressure-resistant performance of the joint of the pipeline used for city buildings, which can generate water leakage and fracture, as a preferred embodiment, as shown in figure 1, figure 2, figure 3, figure 4, figure 5 and figure 6, comprises a pipeline body 1 and a tail pipeline 4, the pipeline body 1 comprises an external pipeline 2 and an internal pipeline 3, one end of the external pipeline 2 is provided with a first fixing flange 21, the other end of the external pipeline 2 is provided with a second fixing flange 22, the first fixing flange 21 and the second fixing flange 22 are both provided with a plurality of fixing thread threaded holes 221, one end of the second fixing flange 22 is provided with an insertion plate 23, the first fixing flange 21 is provided with an insertion groove 211 inserted with the insertion plate 23, the inner wall of the external pipeline 2 is provided with a chute 210, the outer wall of the internal pipeline 3 is provided with a sliding shaft 31 matched with the chute 210, one end of the tail pipeline 4 is provided with a tail flange 5, and a limiting groove 51 is formed in the tail flange 5 and used for preventing the sliding shaft 31 on the inner pipeline 3 from sliding out of the tail flange 5, namely the limiting groove 51 is used for limiting the sliding position of the sliding shaft 31.
In this example, the outer wall of external pipeline 2 is provided with anti-corrosion layer 24, anti-corrosion layer 24 is used for protecting the outer of external pipeline 2, the inner wall of anti-corrosion layer 24 is provided with accepts layer 25, accept layer 25 is used for reducing the noise in internal pipeline 3 when protecting external pipeline 2, the inner wall of accepting layer 25 is provided with withstand voltage layer 26, the inner wall of withstand voltage layer 26 is provided with heat preservation 28, heat preservation 28 is used for improving the heat preservation performance of external pipeline 2 and internal pipeline 3, the inner wall of heat preservation 28 is provided with inner wall contact layer 29, inner wall contact layer 29 has better corrosion protection performance.
Further, the spiral reinforcing steel bars 27 are filled in the pressure-resistant layer 26, and the spiral reinforcing steel bars 27 are arranged in a spiral manner, so that the strength and the pressure resistance of the external pipeline 2 can be greatly improved.
Specifically, the first fixing flange 21 and the second fixing flange 22 are fixedly connected to two ends of the external pipeline 2, so that the pipeline bodies 1 can be connected with each other and the pipeline bodies 1 and the tail pipeline 4 can be connected with each other conveniently.
In addition, the inner pipeline 3 is slidably connected in the outer pipeline 2 through the sliding shaft 31 and the sliding groove 210, so that the inner pipeline 3 can conveniently slide in the outer roller bed 2, the inner pipeline 3 is made to seal the joint of the outer pipeline 2, and the pressure resistance of the pipeline body 1 can be greatly improved while the sealing performance is improved.
Further, connect through first mounting flange 21 and second mounting flange 22 between a plurality of pipeline bodies 1, connect through first mounting flange 21 and second mounting flange 22 between pipeline body 1 and the afterbody pipeline 4, be connected between pipeline body 1 and the afterbody pipeline 4, be favorable to making the slide-shaft 31 of 3 outer walls of inner pipe slide in the spacing groove 51 of 4 afterbody flanges 5 afterbody of afterbody pipeline, prevent 3 spout outer pipelines 2 of inner pipe.
Further, anti-corrosion coating 24 uses the steel material to make, and scribble one deck resin base lacquer at the surface of steel material, anti-corrosion coating 24 has better corrosion protection simultaneously providing intensity, accept layer 25 and use the stereotype material to make, thereby there is better syllable-dividing effect, withstand voltage layer 26 all uses the rubber material to make, be convenient for make spiral reinforcement reinforcing bar 27 fill to withstand voltage layer 26 in, spiral reinforcement bar 27 uses the steel material to make, heat preservation 28 uses the aluminium silicate material to make, thereby better thermal insulation performance has, inner wall contact layer 29 uses PVC waterproofing membrane to make.
Further, the spiral reinforcing steel bars 27 are fixedly connected in the pressure-resistant layer 26, and the spiral reinforcing steel bars 27 in the pressure-resistant layer 26 are arranged in a spiral manner, so that the strength of the external pipeline 2 is improved, and the pressure resistance of the external pipeline 2 is further improved.
When the pipeline is used, a plurality of pipeline bodies 1 are connected through a first fixing flange 21 and a second fixing flange 22, wherein the first fixing flange 21 of the previous pipeline body 1 is fixedly connected with the second fixing flange 22 of the next pipeline body 1 through bolts, and an insertion plate 23 on the second fixing flange 22 is inserted into an insertion groove 211 on the first fixing flange 21, so that the sealing performance between the pipeline bodies 1 is improved, and the pipeline bodies 1 are also connected with a tail pipeline 4 through the first fixing flange 21 and the second fixing flange 22, wherein a spiral reinforcing steel bar 27 is filled in a pressure-resistant layer 26, the spiral reinforcing steel bars 27 in the pressure-resistant layer 26 are arranged in a spiral manner, the strength of an external pipeline 2 is improved, the pressure resistance of the external pipeline 2 is further improved, when the positions of the pipeline bodies 1 and the tail pipeline 4 are arranged, the internal pipeline 3 is pushed through a hydraulic cylinder assembly, inside pipeline 3 slides in outside pipeline 2 through slide shaft 31 and spout 210 to make inside pipeline 3 seal outside pipeline 2's junction, thereby when reaching the improvement leakproofness, can improve pipeline body 1's resistance to pressure greatly, and the slide shaft 31 of inside pipeline 3 outer wall slides in the spacing groove 51 of 5 afterbody flanges of 4 afterbody pipelines of afterbody, prevents inside pipeline 3 spout outside pipeline 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a withstand voltage plastics bury urban pipeline, includes pipeline body (1) and afterbody pipeline (4), its characterized in that: the pipeline body (1) comprises an outer pipeline (2) and an inner pipeline (3), one end of the external pipeline (2) is provided with a first fixed flange (21), the other end of the external pipeline (2) is provided with a second fixed flange (22), a plurality of fixing thread threaded holes (221) are respectively formed on the first fixing flange (21) and the second fixing flange (22), one end of the second fixed flange (22) is provided with an inserting plate (23), the first fixed flange (21) is provided with an inserting groove (211) inserted with the inserting plate (23), the inner wall of the external pipeline (2) is provided with a sliding chute (210), the outer wall of the internal pipeline (3) is provided with a sliding shaft (31) matched with the sliding chute (210), one end of the tail pipeline (4) is provided with a tail flange (5), and a limiting groove (51) is formed in the tail flange (5).
2. A pressure-resistant plastic buried urban pipeline according to claim 1, wherein: the outer wall of the external pipeline (2) is provided with an anti-corrosion layer (24), the inner wall of the anti-corrosion layer (24) is provided with a bearing layer (25), the inner wall of the bearing layer (25) is provided with a pressure-resistant layer (26), the inner wall of the pressure-resistant layer (26) is provided with a heat-insulating layer (28), and the inner wall of the heat-insulating layer (28) is provided with an inner wall contact layer (29).
3. A pressure-resistant plastic buried urban pipeline according to claim 2, wherein: spiral reinforcing steel bars (27) are filled in the pressure-resistant layer (26), and the spiral reinforcing steel bars (27) are arranged in a spiral mode.
4. A pressure-resistant plastic buried urban pipeline according to claim 1, wherein: the first fixing flange (21) and the second fixing flange (22) are fixedly connected to two ends of the external pipeline (2).
5. A pressure-resistant plastic buried urban pipeline according to claim 1, wherein: the inner pipeline (3) is connected in the outer pipeline (2) in a sliding mode through the sliding shaft (31) and the sliding groove (210).
6. A pressure-resistant plastic buried urban pipeline according to claim 1, wherein: the pipeline bodies (1) are connected through the first fixing flange (21) and the second fixing flange (22), and the pipeline bodies (1) are connected with the tail pipeline (4) through the first fixing flange (21) and the second fixing flange (22).
7. A pressure-resistant plastic buried urban pipeline according to claim 3, wherein: anti-corrosion coating (24) use the steel material to make, and scribble one deck resin base lacquer at the surface of steel material, accept layer (25) and use the stereotype material to make, withstand voltage layer (26) all use the rubber material to make, spiral reinforcement reinforcing bar (27) use the steel material to make, heat preservation (28) use the aluminium silicate material to make, inner wall contact layer (29) use PVC waterproofing membrane to make.
8. A pressure-resistant plastic buried urban pipeline according to claim 7, wherein: the spiral reinforcing steel bar (27) is fixedly connected in the pressure-resistant layer (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208652.3A CN111022782A (en) | 2019-11-30 | 2019-11-30 | Pressure-resistant plastic buried urban pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208652.3A CN111022782A (en) | 2019-11-30 | 2019-11-30 | Pressure-resistant plastic buried urban pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111022782A true CN111022782A (en) | 2020-04-17 |
Family
ID=70207490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208652.3A Pending CN111022782A (en) | 2019-11-30 | 2019-11-30 | Pressure-resistant plastic buried urban pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111022782A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245969A (en) * | 2021-05-19 | 2021-08-13 | 姜睿泓 | Composite pipe machining system and machining method thereof |
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| CN104482354A (en) * | 2014-12-23 | 2015-04-01 | 常熟市鑫吉利金属制品有限公司 | Anti-corrosion easy-to-install conveying pipeline |
| CN204403604U (en) * | 2014-12-04 | 2015-06-17 | 张东升 | A kind of transport pipe |
| CN205689929U (en) * | 2016-06-23 | 2016-11-16 | 南京中艺建筑设计院股份有限公司 | Central air-conditioning spiral duct |
| CN206988596U (en) * | 2017-07-20 | 2018-02-09 | 绵阳西真科技有限公司 | A kind of compound sewer conduit of Novel environment-friendlymaterial material |
| CN208221794U (en) * | 2018-02-02 | 2018-12-11 | 上海神农节能环保科技股份有限公司 | Using the TVR evaporator cross over pipe of the anti-settling system of sound wave |
| CN208535340U (en) * | 2018-08-09 | 2019-02-22 | 常熟中佳新材料有限公司 | A kind of internal channel copper pipe |
| CN209557819U (en) * | 2018-01-31 | 2019-10-29 | 洛阳百味食品有限公司 | A kind of dedicated seasoning material conveying tube of food processing |
-
2019
- 2019-11-30 CN CN201911208652.3A patent/CN111022782A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203979676U (en) * | 2014-07-02 | 2014-12-03 | 新疆华爱康塑业科技发展有限公司 | Gas extraction tubing under a kind of mine |
| CN204403604U (en) * | 2014-12-04 | 2015-06-17 | 张东升 | A kind of transport pipe |
| CN104482354A (en) * | 2014-12-23 | 2015-04-01 | 常熟市鑫吉利金属制品有限公司 | Anti-corrosion easy-to-install conveying pipeline |
| CN205689929U (en) * | 2016-06-23 | 2016-11-16 | 南京中艺建筑设计院股份有限公司 | Central air-conditioning spiral duct |
| CN206988596U (en) * | 2017-07-20 | 2018-02-09 | 绵阳西真科技有限公司 | A kind of compound sewer conduit of Novel environment-friendlymaterial material |
| CN209557819U (en) * | 2018-01-31 | 2019-10-29 | 洛阳百味食品有限公司 | A kind of dedicated seasoning material conveying tube of food processing |
| CN208221794U (en) * | 2018-02-02 | 2018-12-11 | 上海神农节能环保科技股份有限公司 | Using the TVR evaporator cross over pipe of the anti-settling system of sound wave |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245969A (en) * | 2021-05-19 | 2021-08-13 | 姜睿泓 | Composite pipe machining system and machining method thereof |
| CN113245969B (en) * | 2021-05-19 | 2022-07-15 | 湖南广通塑业有限公司 | Composite pipe machining system and machining method thereof |
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Application publication date: 20200417 |
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| RJ01 | Rejection of invention patent application after publication |