CN212960080U - Check valve for construction of frozen soil curtain - Google Patents
Check valve for construction of frozen soil curtain Download PDFInfo
- Publication number
- CN212960080U CN212960080U CN202021907578.2U CN202021907578U CN212960080U CN 212960080 U CN212960080 U CN 212960080U CN 202021907578 U CN202021907578 U CN 202021907578U CN 212960080 U CN212960080 U CN 212960080U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- aluminum plate
- frozen soil
- construction
- check valve
- 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.)
- Expired - Fee Related
Links
- 239000002689 soil Substances 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 59
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000008014 freezing Effects 0.000 description 9
- 238000007710 freezing Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000012267 brine Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The application discloses check valve is used in frozen soil curtain construction relates to the technical field of frozen soil curtain construction, and it is including the valve body that is used for controlling the flow direction of rivers, and the one end threaded connection of valve body has the connecting pipe, and the one end in connecting pipe inner chamber communicates with the inner chamber of valve body, and the other end in connecting pipe inner chamber communicates with the pipeline rather than being connected, is provided with aluminum plate in the inner chamber of connecting pipe. This application has reduced the corruption of salt solution to the valve body, has prolonged the life's of valve body effect.
Description
Technical Field
The application relates to the technical field of frozen soil curtain construction, in particular to a one-way valve for frozen soil curtain construction.
Background
The frozen soil curtain construction technology is characterized in that a low-temperature saline water is circulated in a freezing hole by utilizing an artificial refrigeration technology, so that water in a stratum is frozen into ice, natural rock soil is changed into artificial frozen soil, a closed continuous frozen curtain is formed around a soil body to be excavated, the elastic modulus of the frozen soil curtain is increased, and the strength and the stability of the frozen soil curtain are further improved; so as to resist the pressure and water pressure of the surrounding rock and isolate the connection between the underground water and the excavated body; and then, excavating and lining supporting construction is carried out under the protection of the closed frozen soil curtain.
As shown in fig. 1, in the actual construction of the conventional frozen soil curtain, a freezing pipe 11 is installed in a freezing hole 12 which is provided in advance, water in the freezing pipe 11 is cooled and circulated through a freezing station 13, the flow direction of the water in the pipe is controlled through a liquid check valve 14, the temperature of a soil layer around the freezing pipe 11 is reduced to form frozen soil, and since brine is generally circulated and cooled in the process and has certain corrosiveness to metal, the brine is easy to generate certain corrosion action on the liquid check valve 14 when flowing through the liquid check valve 14, and the service life of the liquid check valve 14 is shortened.
SUMMERY OF THE UTILITY MODEL
The purpose of the present application is to provide a check valve for frozen soil curtain construction, which has the effect of ….
The above utility model of this application aim at can realize through following technical scheme:
the utility model provides a check valve is used in frozen soil curtain construction, includes the valve body that is used for controlling the flow direction of rivers, the one end threaded connection of valve body has the connecting pipe, the one end in connecting pipe inner chamber and the inner chamber intercommunication of valve body, the other end in connecting pipe inner chamber and the pipeline intercommunication rather than being connected, be provided with aluminum plate in the inner chamber of connecting pipe.
Through adopting above-mentioned technical scheme, the valve body and the connecting pipe are flowed through in proper order to salt solution, react with aluminum plate when the inner chamber of connecting pipe is flowed through to salt solution to reduce the corruption of salt solution to the valve body, prolonged the life of valve body.
Preferably, the aluminum plate is detachably connected to the connection pipe.
Through adopting above-mentioned technical scheme, use a period after, the staff pulls down the aluminum plate of renewal with aluminum plate, guarantees that aluminum plate and salt solution carry out abundant reaction, has further prolonged the life of valve body.
Preferably, the change mouth has been seted up on the outer peripheral face of connecting pipe, the change mouth communicates the inner chamber of connecting pipe with the external world, change mouth department can dismantle and be connected with the closing cap that is used for its obturage, aluminum plate can dismantle to be connected on the lateral wall of closing cap orientation connecting pipe inner chamber, aluminum plate can move to the connecting pipe outside in change mouth department.
Through adopting above-mentioned technical scheme, when needing to change aluminum plate, pull down the closing cap and together take off the closing cap together with aluminum plate, change aluminum plate can, need not to pull down the connecting pipe, reduced work step, the staff of being convenient for operates.
Preferably, one end of the sealing cover is hinged to the connecting pipe through a hinged shaft, and a torsional spring used for pressing the sealing cover at the position of the replacing opening of the connecting pipe is sleeved on the hinged shaft.
Through adopting above-mentioned technical scheme, realized being connected between closing cap and the connecting pipe, the setting of torsional spring has realized compressing tightly fixedly and the closing cap automatic re-setting after opening to the closing cap.
Preferably, the hinge shaft is disposed along an axial direction of the connection pipe.
By adopting the technical scheme, the processing and the installation of the connecting structure between the connecting pipe and the sealing cover are facilitated.
Preferably, the aluminum plate is disposed along an axial direction of the connection pipe.
Through adopting above-mentioned technical scheme, for the axial setting of aluminum plate perpendicular to connecting pipe, increased the area of contact of aluminum plate with salt solution, make salt solution and aluminum plate's reaction more abundant.
Preferably, a plurality of bulges are arranged on the aluminum plate.
Through adopting above-mentioned technical scheme, increased the area of contact of aluminum plate with salt water, made salt water and aluminum plate's reaction more abundant.
Preferably, the aluminum plate is detachably connected to the cover through bolts.
Through adopting above-mentioned technical scheme, realized being connected dismantled between aluminum plate and the closing cap.
To sum up, the beneficial technical effect of this application does:
1. the saline water flows through the valve body and the connecting pipe in sequence, and reacts with the aluminum plate when flowing through the inner cavity of the connecting pipe, so that the corrosion of the saline water to the valve body is reduced, and the service life of the valve body is prolonged;
2. after the valve body is used for a period of time, workers detach the aluminum plate and replace the aluminum plate with a new aluminum plate, so that the aluminum plate and saline water are ensured to fully react, and the service life of the valve body is further prolonged;
3. when aluminum plate needs to be replaced, the sealing cover is detached and taken down together with the aluminum plate, the aluminum plate is replaced without detaching the connecting pipe, working steps are reduced, and the operation of workers is facilitated.
Drawings
FIG. 1 is a schematic view of a construction process of a frozen soil curtain in the background art.
Fig. 2 is a schematic view of the overall structure of the present application.
Fig. 3 is a schematic partial cross-sectional view showing the structure of the connection pipe, the aluminum plate, and the mounting plate in the present application.
Fig. 4 is a partial cross-sectional view schematically showing a connection structure between an aluminum plate and a cap in the present application.
In the figure, 11, freezing the tube; 12. freezing the hole; 13. a freezing station; 14. a one-way valve; 2. a valve body; 3. a connecting pipe; 31. replacing the port; 311. inward flanging; 312. a seal ring; 32. sealing the cover; 321. a yielding groove; 322. a convex strip; 33. hinging a shaft; 34. a torsion spring; 4. an aluminum plate; 41. a protrusion; 5. mounting a plate; 51. a bolt; 52. and (7) a gasket.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Examples
Referring to fig. 2, for the present application, a check valve for construction of a frozen soil curtain is disclosed, which includes a valve body 2 for controlling a flow direction of water flow, the valve body 2 including a liquid inlet end and a liquid outlet end. The liquid inlet end of the valve body 2 is connected with a connecting pipe 3 in a threaded manner, the connecting pipe 3 is coaxially arranged with the valve body 2, the connecting pipe 3 is a round pipe with two open ends, and one end of the inner cavity of the connecting pipe 3, which is close to the valve body 2, is communicated with the inner cavity of the valve body 2. An inner circumferential surface of one end of the connecting pipe 3, which is back to the valve body 2, is provided with an inner thread for connecting with a pipeline, and one end of the inner cavity of the connecting pipe 3, which is back to the valve body 2, is communicated with the pipeline (not shown in the drawing) connected with the connecting pipe.
The outer peripheral surface of the connecting pipe 3 is provided with a replacing port 31, and the replacing port 31 is arranged along the axial direction of the connecting pipe 3 and penetrates through the side wall of the connecting pipe 3 to communicate the inner cavity of the connecting pipe 3 with the outside. The replacement port 31 is detachably connected with a sealing cover 32 for sealing the sealing port, the sealing cover 32 is an arc-shaped cover body matched with the connecting pipe 3, and the outer peripheral surface of the sealing cover 32 is flush with the outer peripheral surface of the connecting pipe 3.
Referring to fig. 2 and 3, the cover 32 is hinged to the connection pipe 3 through a hinge shaft 33 at one side in the circumferential direction of the connection pipe 3, the hinge shaft 33 being disposed in the axial direction of the connection pipe 3. The closing cap 32 is provided with a yielding groove 321 on one side close to the hinge shaft 33, a torsion spring 34 for pressing the closing cap 32 to the replacement port 31 of the connecting pipe 3 is sleeved on the hinge shaft 33, and the torsion spring 34 is located in the yielding groove 321. When the sealing cover 32 is in a state of covering the replacing opening 31, the torsional spring 34 compresses the sealing cover 32, and meanwhile, the torsional spring 34 is arranged to realize automatic reset after the sealing cover 32 is opened.
One side of the inner peripheral wall of the replacement port 31 close to the inner cavity of the connecting pipe 3 extends inwards to form an inner flange 311, and a sealing ring 312 is fixed on the side wall of the inner flange 311 back to the inner cavity of the connecting pipe 3 in a gluing manner. When the cover 32 covers the replacement opening 31, the sidewall of the cover 32 facing the inner cavity of the connection tube 3 abuts against the sidewall of the sealing ring 312 facing away from the inward flange 311, thereby increasing the sealing performance of the connection tube 3.
With reference to fig. 3 and 4, the aluminum plate 4 is fixedly connected to the mounting plate 5 near the end of the cover 32, the inner peripheral wall of the cover 32 is provided with a receiving groove for receiving the mounting plate 5, and the mounting plate 5 is embedded in the receiving groove. The mounting plate 5 is provided with a bolt 51 in a penetrating way, and the bolt 51 penetrates through the mounting plate 5 and is connected to the sealing cover 32 in a threaded way, so that the detachable connection between the aluminum plate 4 and the sealing cover 32 is realized.
In order to increase the stability of the connection between the aluminum plate 4 and the cover 32, a gasket 52 is sleeved on the outer circumferential surface of the bolt 51, and the bolt 51 presses the gasket 52 on the side wall of the mounting plate 5 facing the aluminum plate 4.
A plurality of archs 41 of fixedly connected with respectively on the both sides wall of aluminum plate 4 thickness direction, protruding 41 set up the area of contact that has increased aluminum plate 4 and salt solution, make salt solution and aluminum plate 4's reaction more abundant.
Referring to fig. 2, in order to facilitate the worker to lift the cover 32, a convex strip 322 is fixedly connected to the outer circumferential surface of one end of the cover 32 facing away from the hinge shaft 33, the convex strip 322 is disposed along the length direction of the cover 32, and anti-slip threads are disposed on both sides of the convex strip 322 in the thickness direction.
The implementation principle of the above embodiment is as follows:
the saline water flows through the connecting pipe 3 and the valve body 2 in sequence, and reacts with the aluminum plate 4 when flowing through the inner cavity of the connecting pipe 3, so that the corrosion of the saline water on the valve body 2 is reduced, and the service life of the valve body 2 is prolonged;
use a period of time after, need the staff to pull down aluminum plate 4 with aluminum plate 4 and change new aluminum plate 4, guarantee that aluminum plate 4 and salt solution carry out abundant reaction, further prolonged valve body 2's life, when changing aluminum plate 4, pulling sand grip 322 makes closing cap 32 rotate around articulated shaft 33, and aluminum plate 4 removes to the connecting pipe 3 outside via changing mouth 31 along with opening of closing cap 32, and it can to change to unscrew bolt 51 and pull down aluminum plate 4.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The utility model provides a check valve is used in frozen soil curtain construction, includes valve body (2) that are used for controlling the flow direction of rivers, its characterized in that: one end threaded connection of valve body (2) has connecting pipe (3), the one end of connecting pipe (3) inner chamber and the inner chamber intercommunication of valve body (2), the other end of connecting pipe (3) inner chamber and the pipeline intercommunication rather than being connected, be provided with aluminum plate (4) in the inner chamber of connecting pipe (3).
2. The check valve for construction of a frozen soil curtain according to claim 1, wherein: the aluminum plate (4) is detachably connected into the connecting pipe (3).
3. The check valve for construction of a frozen soil curtain as claimed in claim 2, wherein: seted up on the outer peripheral face of connecting pipe (3) and changed mouth (31), change mouth (31) with the inner chamber and the external world intercommunication of connecting pipe (3), change mouth (31) department can dismantle and be connected with closing cap (32) that are used for its obturage, aluminum plate (4) can be dismantled and connect on closing cap (32) towards the lateral wall of connecting pipe (3) inner chamber, aluminum plate (4) can be in changing mouth (31) department and remove to the connecting pipe (3) outside.
4. The check valve for construction of a frozen soil curtain as claimed in claim 3, wherein: one end of the sealing cover (32) is hinged on the connecting pipe (3) through a hinged shaft (33), and a torsion spring (34) used for pressing the sealing cover (32) to the replacement port (31) of the connecting pipe (3) is sleeved on the hinged shaft (33).
5. The check valve for construction of frozen soil curtain as claimed in claim 4, wherein: the hinge shaft (33) is arranged along the axial direction of the connecting pipe (3).
6. The check valve for construction of a frozen soil curtain according to claim 1, wherein: the aluminum plate (4) is arranged along the axial direction of the connecting pipe (3).
7. The check valve for construction of a frozen soil curtain according to claim 1, wherein: a plurality of bulges (41) are arranged on the aluminum plate (4).
8. The check valve for construction of a frozen soil curtain as claimed in claim 3, wherein: the aluminum plate (4) is detachably connected to the sealing cover (32) through a bolt (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021907578.2U CN212960080U (en) | 2020-09-03 | 2020-09-03 | Check valve for construction of frozen soil curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021907578.2U CN212960080U (en) | 2020-09-03 | 2020-09-03 | Check valve for construction of frozen soil curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212960080U true CN212960080U (en) | 2021-04-13 |
Family
ID=75365185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021907578.2U Expired - Fee Related CN212960080U (en) | 2020-09-03 | 2020-09-03 | Check valve for construction of frozen soil curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212960080U (en) |
-
2020
- 2020-09-03 CN CN202021907578.2U patent/CN212960080U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |