CN210530871U - Stepless proportion-adjusting double-liquid grouting system - Google Patents
Stepless proportion-adjusting double-liquid grouting system Download PDFInfo
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- CN210530871U CN210530871U CN201921694734.9U CN201921694734U CN210530871U CN 210530871 U CN210530871 U CN 210530871U CN 201921694734 U CN201921694734 U CN 201921694734U CN 210530871 U CN210530871 U CN 210530871U
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Abstract
The utility model provides a stepless ratio-adjusting double-liquid grouting system, including A liquid storage tank and B liquid storage tank, A liquid storage tank passes through A liquid pipeline and double-liquid mixer intercommunication, be equipped with the A liquid pump on the A liquid pipeline, B liquid storage tank passes through B liquid pipeline and double-liquid mixer intercommunication, be equipped with the B liquid pump on the B liquid pipeline, the A liquid pipeline is located the rear end and the A liquid back flow intercommunication of A liquid pump, A liquid back flow and A liquid storage tank intercommunication, B liquid pipeline is located the rear end and the B liquid back flow intercommunication of B liquid pump, B liquid back flow and B liquid storage tank intercommunication, all be equipped with the backwash valve on A liquid back flow and the B liquid back flow. The utility model discloses beneficial effect: the flow ratio of the cement slurry and the liquid water glass is adjusted in a stepless manner, so that high-precision adjustment is guaranteed; the pressure stabilizing tank is used for stabilizing the pressure and the flow of the pipeline, ensuring the stable double-liquid grouting proportion and preventing the hose and the ground from generating pulsating wear; when the change of the mechanical pressure gauge is large, the plug and the bottom pipeline at the top of the pressure stabilizing tank can be detached for cleaning, and the pressure stabilizing effect is ensured.
Description
Technical Field
The utility model relates to a slip casting device especially indicates a stepless accent is compared biliquid slip casting system.
Background
The construction method of the tunnel boring machine is widely applied to drinking water tunnels in China, the water source in the tunnel cannot flow out of the tunnel, the water source outside the tunnel cannot flow into the tunnel, and some tunnels belong to pressurized tunnels, and the segment is required to bear the water pressure, so that grouting is required to completely and well wrap the segment, and a segment sealing ring is manufactured.
The prior art discloses various double-liquid grouting systems, for example, the invention patent application with the application number of 2017106958319 and the name of a novel double-liquid grouting full-hydraulic coupling control system, but the traditional double-liquid grouting pump adopts a variable frequency motor to adjust the proportion of double liquid, the price of a first frequency converter is higher, the second system cannot accurately adjust the flow rate of an outlet of the pump according to the solidification speed of the double liquid at the outlet of a mixer, and the third grouting pipeline is easy to cause unstable flow ratio and pulsating wear between a steel wire braided hose and the ground due to pressure fluctuation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stepless accent is than two liquid slip casting systems has solved current two liquid slip casting systems and can't accomplish the accurate accent of pump export flow according to the two liquid thick liquids solidification rate of blender export and has compared, and the slip casting pipeline is because the pressure oscillation leads to the problem that flow ratio is unstable, the steel wire weaves the pulsation wearing and tearing to take place between hose and the ground easily.
The technical scheme of the utility model is realized like this: the utility model provides a stepless ratio-adjusting double-liquid grouting system, includes A liquid storage tank and B liquid storage tank, A liquid storage tank passes through A liquid pipeline and double-liquid mixer intercommunication, is equipped with the A liquid pump on the A liquid pipeline, and B liquid storage tank passes through B liquid pipeline and double-liquid mixer intercommunication, is equipped with the B liquid pump on the B liquid pipeline, the A liquid pipeline rear end and A liquid back flow intercommunication that are located the A liquid pump, A liquid back flow and A liquid storage tank intercommunication, B liquid pipeline is located the rear end and B liquid back flow intercommunication of B liquid pump, B liquid back flow and B liquid storage tank intercommunication, all be equipped with the backward flow valve on A liquid back flow and the B liquid back flow.
The liquid A storage tank is filled with cement slurry, and the liquid B storage tank is filled with liquid water glass.
The liquid pump A and the liquid pump B are plunger pumps.
The part of the liquid A pipeline between the joints of the liquid A pump and the liquid A return pipe is communicated with the pressure stabilizing tank, and the part of the liquid B pipeline between the joints of the liquid B pump and the liquid B return pipe is communicated with the pressure stabilizing tank.
The pressure stabilizing tank is provided with a detachable plug.
And a flowmeter and a pressure sensor are arranged on the part of the liquid A pipeline behind the joint of the liquid A return pipe and the part of the liquid B pipeline behind the joint of the liquid B return pipe, and both the flowmeter and the pressure sensor are electrically connected with a grouting recorder.
And pressure gauges are arranged on the part of the liquid A pipeline behind the connection position of the liquid A return pipe and the part of the liquid B pipeline behind the connection position of the liquid B return pipe.
The liquid pipeline A and the liquid pipeline B are both hoses.
The hose is a steel wire braided hose.
The double-liquid mixer is communicated with a grouting pipe, and a grouting valve is arranged on the grouting pipe.
The grouting valve is a manual ball valve.
The utility model discloses the function or the purpose of realization:
the accurate ratio adjustment of the outlet flow of the pump is realized according to the double-slurry solidification speed of the outlet of the mixer, the unstable flow ratio and the pulsating abrasion between the steel wire braided hose and the ground caused by pressure fluctuation of a grouting pipeline are avoided, and the manufacturing quality of the shield type TBM (tunnel boring machine) segment closed ring is ensured.
The utility model discloses beneficial effect:
1. the flow ratio of the cement slurry and the liquid water glass is adjusted in a stepless mode through a slurry return valve, a flowmeter and a grouting recorder, the appropriate double-liquid grouting ratio is guaranteed, and high-precision ratio adjustment is guaranteed.
2. The cement slurry pipeline and the liquid water glass pipeline are both provided with pressure stabilizing tanks for stabilizing the pressure and the flow of the pipelines, thereby ensuring the stable double-liquid grouting proportion and preventing the steel wire woven hose from pulsating wear with the ground.
3. The pressure stabilizing tank top on grout liquid pipeline and the liquid water glass pipeline has the end cap, when mechanical type manometer change when big, can dismantle the end cap and the bottom pipeline at pressure stabilizing tank top, washs, guarantees the steady voltage effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a liquid storage tank 1-A, a liquid pump 2-A, a pressure stabilizing tank 3-4-plug, a slurry return valve 5-6-flowmeter, a pressure sensor 7-8-grouting recorder, a pressure gauge 9-10-hose, a double-liquid mixer 11-12-grouting valve, a liquid storage tank 13-B, a liquid pump 14-B, cement slurry 15-16-liquid water glass 17-behind a segment wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in figure 1, the stepless ratio-adjusting double-liquid grouting system comprises a liquid A storage tank 1 and a liquid B storage tank 13, wherein cement slurry 15 is contained in the liquid A storage tank 1, and liquid water glass 16 is contained in the liquid B storage tank 13. The liquid A storage tank 1 is communicated with the double-liquid mixer 11 through a liquid A pipeline, a liquid A pump 2, a pressure stabilizing tank 3, a flowmeter 6, a pressure sensor 7 and a pressure gauge 9 are sequentially arranged on the liquid A pipeline, the part of the liquid A pipeline, which is positioned between the pressure stabilizing tank 3 and the flowmeter 6, is communicated with a liquid A return pipe, the liquid A return pipe is communicated with the liquid A storage tank 1, and a return valve 5 is arranged on the liquid A return pipe. The liquid B storage tank 13 is communicated with the double-liquid mixer 11 through a liquid B pipeline, a liquid B pump 14, a pressure stabilizing tank 3, a flowmeter 6, a pressure sensor 7 and a pressure gauge 9 are sequentially arranged on the liquid B pipeline, the part of the liquid B pipeline between the pressure stabilizing tank 3 and the flowmeter 6 is communicated with a liquid B return pipe, the liquid B return pipe is communicated with the liquid B storage tank 13, and a return valve 5 is arranged on the liquid B return pipe. The double-liquid mixer 11 is communicated with a grouting pipe, a grouting valve 12 is arranged on the grouting pipe, and the grouting valve 12 is a manual ball valve.
Preferably, the liquid pump A2 and the liquid pump B14 are plunger pumps, the liquid pipeline A and the liquid pipeline B are hoses 10, and the hoses 10 are steel wire woven hoses.
Preferably, a detachable plug 4 is arranged on the top of the surge tank 3. When the mechanical pressure gauge changes greatly, the plug and the bottom pipeline at the top of the pressure stabilizing tank can be removed in time to clean, and the pressure stabilizing effect is ensured.
Preferably, the flowmeter 6 and the pressure sensor 7 are electrically connected with a grouting recorder 8, the grouting recorder 8 can accurately record the flow, the gauge pressure, the peak pressure, the water-cement ratio and the accumulated slurry amount of the cement slurry and the liquid water glass at a certain moment, and the proportion of the cement slurry and the liquid water glass can be adjusted steplessly according to the field condition.
During grouting, cement slurry 15 is pumped by a cement plunger pump and enters a double-liquid mixer through a liquid A pipeline, liquid water glass 16 is pumped by a water glass plunger pump and enters the double-liquid mixer through a liquid B pipeline, and then is injected into the rear wall 17 of the duct piece through a manual ball valve, so that double-liquid grouting is realized. The back flow can shunt the liquid in the A/B liquid pipeline, realizes the stepless regulation of the A/B liquid pipeline, guarantees the accurate regulation of two-liquid grouting, and the liquid that shunts flows back again, carries out cyclic utilization. The surge tank is used for stabilizing the pressure and the flow of the pipeline, so that the stable double-liquid grouting proportion is ensured, and the condition that the steel wire woven hose and the ground are subjected to pulsating wear is prevented. Finally, the manufacturing effect of the segment closed ring is ensured through the above mode.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a stepless ratio-adjusting double-liquid grouting system, includes A liquid storage tank (1) and B liquid storage tank (13), and A liquid storage tank (1) is equipped with A liquid pump (2) through A liquid pipeline and double-liquid mixer (11) intercommunication on the A liquid pipeline, and B liquid storage tank (13) is equipped with B liquid pump (14) on the B liquid pipeline through B liquid pipeline and double-liquid mixer (11) intercommunication, its characterized in that: the liquid A pipeline is positioned at the rear end of the liquid A pump (2) and communicated with the liquid A return pipe, the liquid A return pipe is communicated with the liquid A storage tank (1), the liquid B pipeline is positioned at the rear end of the liquid B pump (14) and communicated with the liquid B return pipe, the liquid B return pipe is communicated with the liquid B storage tank (13), and the liquid A return pipe and the liquid B return pipe are both provided with return valves (5).
2. The stepless ratio-adjusting dual-fluid grouting system according to claim 1, characterized in that: the liquid A storage tank (1) is filled with cement slurry (15), and the liquid B storage tank (13) is filled with liquid water glass (16).
3. The stepless ratio-adjusting dual-fluid grouting system according to claim 1, characterized in that: the liquid pump A (2) and the liquid pump B (14) are plunger pumps.
4. A continuously variable ratio dual fluid grouting system according to claim 1, 2 or 3, characterised in that: the part of the liquid A pipeline between the joints of the liquid A pump (2) and the liquid A return pipe is communicated with the pressure stabilizing tank (3), and the part of the liquid B pipeline between the joints of the liquid B pump (14) and the liquid B return pipe is communicated with the pressure stabilizing tank (3).
5. The infinitely variable ratio dual-fluid grouting system of claim 4, wherein: the pressure stabilizing tank (3) is provided with a detachable plug (4).
6. The stepless ratio-adjusting dual-fluid grouting system according to claim 1, characterized in that: and a flowmeter (6) and a pressure sensor (7) are arranged on the part of the liquid A pipeline behind the connection of the liquid A return pipe and the part of the liquid B pipeline behind the connection of the liquid B return pipe, and the flowmeter (6) and the pressure sensor (7) are electrically connected with a grouting recorder (8).
7. The stepless ratio-regulating dual-fluid grouting system according to claim 1 or 6, characterized in that: and a pressure gauge (9) is arranged on the part of the liquid A pipeline behind the connection position of the liquid A return pipe and the part of the liquid B pipeline behind the connection position of the liquid B return pipe.
8. The stepless ratio-adjusting dual-fluid grouting system according to claim 1, characterized in that: the liquid pipeline A and the liquid pipeline B are both hoses (10).
9. The infinitely variable ratio dual-fluid grouting system of claim 8, wherein: the hose (10) is a steel wire braided hose.
10. The stepless ratio-adjusting dual-fluid grouting system according to claim 1, characterized in that: the double-liquid mixer (11) is communicated with a grouting pipe, and a grouting valve (12) is arranged on the grouting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694734.9U CN210530871U (en) | 2019-10-11 | 2019-10-11 | Stepless proportion-adjusting double-liquid grouting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694734.9U CN210530871U (en) | 2019-10-11 | 2019-10-11 | Stepless proportion-adjusting double-liquid grouting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210530871U true CN210530871U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921694734.9U Active CN210530871U (en) | 2019-10-11 | 2019-10-11 | Stepless proportion-adjusting double-liquid grouting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210530871U (en) |
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2019
- 2019-10-11 CN CN201921694734.9U patent/CN210530871U/en active Active
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