CN205225142U - Take sleeve pipe to set upright or straight geothermol power well head assembly of structure - Google Patents
Take sleeve pipe to set upright or straight geothermol power well head assembly of structure Download PDFInfo
- Publication number
- CN205225142U CN205225142U CN201520850690.XU CN201520850690U CN205225142U CN 205225142 U CN205225142 U CN 205225142U CN 201520850690 U CN201520850690 U CN 201520850690U CN 205225142 U CN205225142 U CN 205225142U
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- valve
- casing
- flashboard
- sleeve pipe
- casing head
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Abstract
The utility model relates to an oil machinery specifically is a geothermol power well head of taking the sleeve pipe to set upright or straight the structure, it includes sleeve pipe, casing head, main valve and side valve, characterized by: still include sleeve pipe centralizer, transition cross, the casing head top still is equipped with the sealing washer with the transition cross -connection and at the terminal surface that both are connected, is equipped with the sleeve pipe centralizer in casing head open -top department gos back, and the top of transition cross is equipped with the main valve, and casing head bottom both sides are located to the side valve, the sleeve pipe centralizer be tubular its and inlay in the exerted height in casing head open -top department back and exceed casing head end face seal circle place height, the outer wall of this sleeve pipe centralizer is equipped with FS type sealing washer and S -shaped sealing washer, the sleeve pipe is followed and is penetrated and pass sleeve pipe centralizer internal diameter in the casing head and get into the transition cross. This geothermal well mouth assembly have resistant wash away, the characteristics of stand wear and tear, easy installation, satisfy the requirement of using in the complicated ground thermal environment.
Description
Technical field
The utility model relates to field of petroleum machinery, specifically a kind of underground heat well head with casing centering structure.
Background technology
Along with the whole world is to the growth of clear energy sources demand, exploitation and the use of geothermal energy are more and more ordinary, and due to geotemperature reach 400 DEG C and underground have a large amount of fine sand stone exist, therefore, underground heat well head and pipeline need the requirement with protection against erosion, corrosion-resistant, easy installation.
Utility model content
The purpose of this utility model is, provides a kind of and meets the protection against erosion used in intricately thermal environment, the well head assembly easily installed.
In order to achieve the above object, the utility model is achieved in that
A kind of underground heat well head assembly with casing centering structure, it comprises sleeve pipe, casing head, main valve and side valve, also comprise casing stabbing board, transition four-way, casing head top is connected with transition four-way and is also provided with sealing ring at the end face that both connect, casing head top open part also in be provided with casing stabbing board, the top of transition four-way is provided with main valve, and side valve is located at casing head two bottom sides; Described casing stabbing board be after tubular its is embedded in casing head top open part the height that exposes exceed casing head end-face seal ring place height, the outer wall of this casing stabbing board is provided with FS RunddichtringO and S shape sealing ring, and sleeve pipe penetrates and passes casing stabbing board internal diameter and enter transition four-way in casing head.
The underground heat well head assembly of described band casing centering structure, main valve and side valve are high-temperature expansion sluice valve, and described high temperature expansion valve comprises valve gap, valve rod, valve body, flashboard and valve seat; Stem bottom is connected with flashboard, valve rod, flashboard are located in valve body, body top is stamped valve gap, valve stem top stretches out in valve gap, described flashboard comprises flashboard great Ye, flashboard leaflet, and valve seat is located in valve body, rotation valve rod and then drive flashboard great Ye, flashboard leaflet movement contact with valve seat and realize sealing, be provided with a seal cavity between valve rod and valve gap, in this space, be filled with soft sealing material; Valve seat, flashboard great Ye, flashboard leaflet have cobalt-base alloys extexine, and valve rod has molybdenum bisuphide extexine.
The underground heat well head assembly of described band casing centering structure, high-temperature expansion sluice valve also comprises injection moulding valve, described injection moulding valve to be located on valve gap and to be communicated with seal cavity, and the soft sealing material of filling between valve rod and valve gap is graphite, and graphite is sent in seal cavity by injection moulding valve.
The underground heat well head assembly of described band casing centering structure, the valve body of high-temperature expansion sluice valve has safety relief valve.
The underground heat well head assembly of described band casing centering structure, the valve body of high-temperature expansion sluice valve is also provided with blowoff valve, and described blowoff valve is positioned at the bottom of valve body and is positioned at the below of flashboard and valve seat.
This geothermal well mouth assembly has following advantage:
1, select graphite material as soft sealed packing, by injection moulding valve regularly to injection graphite bar, thus solution by no means soft sealing material to run off at the scene the valve leak problem that causes.
2, there is a large amount of sand grains in underground heat well head medium, to valve door sealing surfaces, there is antiscour requirement; This geothermal well mouth assembly adopts cobalt-base alloys built-up welding, solve the problem of bi-material built-up welding crack resistence at different temperatures, compared with the WC of surface spraying one deck 0.15 millimeter, application life obviously extends, and surface spraying layer in use has and also can not produce obscission.
3, each valve of this geothermal well mouth assembly adopts expansion type structure design, by stem surface spraying molybdenum bisuphide, improves the finish of valve rod and flashboard screw-driven, solves expansion sluice valve operational torque power.
4, with the addition of protection lining at the gasket ring place of casing head, avoid and wash away phenomenon, effectively improve gasket ring application life.
Accompanying drawing explanation
Fig. 1 is the structural representation of this assembly.
Fig. 2 is the structural representation of high temperature expansion valve.
Fig. 3 is the mounting structure partial enlarged drawing of sleeve pipe, transition four-way and casing stabbing board.
Detailed description of the invention
The utility model is further illustrated below by way of specific embodiment.
As shown in Figure 1, Figure 3, a kind of underground heat well head assembly with casing centering structure, it comprises sleeve pipe 1, casing head 2, main valve 3 and side valve 4, also comprise casing stabbing board 5, transition four-way 6, casing head 2 top is connected with transition four-way 6 and is also provided with sealing ring 7 at the end face that both connect, casing head 2 top open part also in be provided with casing stabbing board 5, the top of transition four-way 6 is provided with main valve 3, and side valve 4 is located at casing head 4 two bottom sides; After described casing stabbing board 5 is embedded in casing head 2 top open part in tubular its, the height that exposes exceedes casing head 2 end-face seal ring 7 place height, the outer wall of this casing stabbing board 5 is provided with FS RunddichtringO 51 and S shape sealing ring 52, and sleeve pipe 1 penetrates and passes casing stabbing board 5 internal diameter and enter transition four-way in casing head 2.
The underground heat well head assembly of described band casing centering structure, main valve 3 and side valve 4 are high-temperature expansion sluice valve, and high temperature expansion valve described in described high temperature expansion valve comprises valve gap 341, valve rod 342, valve body 345, flashboard 344 and valve seat 343; Be connected with flashboard 344 bottom valve rod 342, valve rod 342, flashboard 344 are located in valve body 345, valve gap 341 is stamped at valve body 345 top, valve rod 342 top is stretched out in valve gap 341, described flashboard 344 comprises flashboard great Ye 3441, flashboard leaflet 3442, valve seat 343 is located in valve body 345, rotation valve rod 342 so drive flashboard great Ye 3441, flashboard leaflet 3442 moves and contacts with valve seat 343 and realize sealing, be provided with a seal cavity between valve rod 342 and valve gap 341, in this space, be filled with soft sealing material 349; Valve seat 343, flashboard great Ye 3441, flashboard leaflet 3442 have cobalt-base alloys extexine, and valve rod 342 has molybdenum bisuphide extexine.
The described heavy-caliber high-temperature expansion valve for underground heat well head, also comprise injection moulding valve 346, described injection moulding valve 346 to be located on valve gap 341 and to be communicated with seal cavity, and the soft sealing material 349 of filling between valve rod 342 and valve gap 341 is graphite, and graphite is sent in seal cavity by injection moulding valve.
The described heavy-caliber high-temperature expansion valve for underground heat well head, valve body 1 has safety relief valve 347.
The described heavy-caliber high-temperature expansion valve for underground heat well head, valve body 341 is also provided with blowoff valve 348, and described blowoff valve 348 is positioned at the bottom of valve body 343 and is positioned at the below of flashboard 344 and valve seat 343.
This geothermal well mouth assembly has following advantage:
1, select graphite material as soft sealed packing, by injection moulding valve regularly to injection graphite bar, thus solution by no means soft sealing material to run off at the scene the valve leak problem that causes.
2, there is a large amount of sand grains in underground heat well head medium, to valve door sealing surfaces, there is antiscour requirement; This geothermal well mouth assembly adopts cobalt-base alloys built-up welding, solve the problem of bi-material built-up welding crack resistence at different temperatures, compared with the WC of surface spraying one deck 0.15 millimeter, application life obviously extends, and surface spraying layer in use has and also can not produce obscission.
3, each valve of this geothermal well mouth assembly adopts expansion type structure design, by stem surface spraying molybdenum bisuphide, improves the finish of valve rod and flashboard screw-driven, solves expansion sluice valve operational torque power.
4, with the addition of protection lining at the gasket ring place of casing head, avoid and wash away phenomenon, effectively improve gasket ring application life.
Claims (5)
1. the underground heat well head assembly with casing centering structure, it comprises sleeve pipe, casing head, main valve and side valve, it is characterized in that: also comprise casing stabbing board, transition four-way, casing head top is connected with transition four-way and is also provided with sealing ring at the end face that both connect, casing head top open part also in be provided with casing stabbing board, the top of transition four-way is provided with main valve, and side valve is located at casing head two bottom sides; Described casing stabbing board be after tubular its is embedded in casing head top open part the height that exposes exceed casing head end-face seal ring place height, the outer wall of this casing stabbing board is provided with FS RunddichtringO and S shape sealing ring, and sleeve pipe penetrates and passes casing stabbing board internal diameter and enter transition four-way in casing head.
2. the underground heat well head assembly of band casing centering structure according to claim 1, it is characterized in that: main valve and side valve are high-temperature expansion sluice valve, described high temperature expansion valve comprises valve gap, valve rod, valve body, flashboard and valve seat; Stem bottom is connected with flashboard, valve rod, flashboard are located in valve body, body top is stamped valve gap, valve stem top stretches out in valve gap, described flashboard comprises flashboard great Ye, flashboard leaflet, and valve seat is located in valve body, rotation valve rod and then drive flashboard great Ye, flashboard leaflet movement contact with valve seat and realize sealing, be provided with a seal cavity between valve rod and valve gap, in this space, be filled with soft sealing material; Valve seat, flashboard great Ye, flashboard leaflet have cobalt-base alloys extexine, and valve rod has molybdenum bisuphide extexine.
3. the underground heat well head assembly of band casing centering structure according to claim 2, it is characterized in that: high-temperature expansion sluice valve also comprises injection moulding valve, described injection moulding valve to be located on valve gap and to be communicated with seal cavity, the soft sealing material of filling between valve rod and valve gap is graphite, and graphite is sent in seal cavity by injection moulding valve.
4. the underground heat well head assembly of band casing centering structure according to claim 2, is characterized in that: the valve body of high-temperature expansion sluice valve has safety relief valve.
5. the underground heat well head assembly of band casing centering structure according to claim 2, is characterized in that: the valve body of high-temperature expansion sluice valve is also provided with blowoff valve, and described blowoff valve is positioned at the bottom of valve body and is positioned at the below of flashboard and valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850690.XU CN205225142U (en) | 2015-10-30 | 2015-10-30 | Take sleeve pipe to set upright or straight geothermol power well head assembly of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850690.XU CN205225142U (en) | 2015-10-30 | 2015-10-30 | Take sleeve pipe to set upright or straight geothermol power well head assembly of structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225142U true CN205225142U (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520850690.XU Expired - Fee Related CN205225142U (en) | 2015-10-30 | 2015-10-30 | Take sleeve pipe to set upright or straight geothermol power well head assembly of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150420A (en) * | 2016-08-02 | 2016-11-23 | 江苏利文机械有限公司 | A kind of thermal production well mouth |
| CN106639951A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Geothermal well assembly of the structure of a tube with casing |
-
2015
- 2015-10-30 CN CN201520850690.XU patent/CN205225142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639951A (en) * | 2015-10-30 | 2017-05-10 | 上海新莲泵阀有限公司 | Geothermal well assembly of the structure of a tube with casing |
| CN106150420A (en) * | 2016-08-02 | 2016-11-23 | 江苏利文机械有限公司 | A kind of thermal production well mouth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |