CN210864435U - Foundation pit emergency grouting temperature control device - Google Patents
Foundation pit emergency grouting temperature control device Download PDFInfo
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- CN210864435U CN210864435U CN201921728476.1U CN201921728476U CN210864435U CN 210864435 U CN210864435 U CN 210864435U CN 201921728476 U CN201921728476 U CN 201921728476U CN 210864435 U CN210864435 U CN 210864435U
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- grouting
- foundation pit
- control device
- polyurethane
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Abstract
The utility model provides a foundation pit emergency grouting temperature control device, the foundation pit emergency grouting temperature control device includes temperature controller, with heater block and the temperature-sensing ware that temperature controller connects respectively, temperature controller is according to the slip casting pipe temperature of temperature-sensing ware sensing, controls the temperature that the heater block heating slip casting pipe reachs, thereby makes the temperature of polyurethane in the slip casting pipe promote to some extent under the low temperature environment, has improved the solidification rate of polyurethane and moisture contact, effectively solves the problem that the foundation pit emergency is with slow polyurethane solidification rate under the low temperature environment; in addition, the temperature controller can control the heating temperature and effectively control the heating time node, so that the danger of preheating the polyurethane in advance is avoided, and the influence on the environment is reduced. To sum up, the utility model discloses a foundation ditch is speedily carried out rescue work slip casting temperature regulating device has convenient operation, installation and maintenance simple and convenient, swift, the safe pollution-free performance.
Description
Technical Field
The utility model relates to a foundation ditch antiseep technical field, in particular to foundation ditch emergency rescue slip casting temperature regulating device.
Background
Along with the development of urban underground space, the depth of the underground space is deeper and deeper, the buried depth of some underground structures enters the pressure-bearing water layer of the underground layer, but the underground continuous wall serving as the enclosure structure has no good countermeasure, and the leakage problem is difficult to avoid in the construction process, mainly caused by huge pressure-bearing water pressure difference. The anti-seepage of the underground continuous wall is directly related to the whole engineering quality and the stability and the safety of the foundation pit in the construction period.
The conventional method for plugging the diaphragm wall mainly adopts methods such as rapid cement grouting, but the method has a relatively long construction period and has the problem that the requirements are difficult to meet in emergencies such as high pressure, high water flow and the like. Aiming at the problem that the rapid cement grouting can not meet the leakage stoppage in the case of high pressure and high water flow, the polyurethane leakage stoppage agent is more and more widely applied to emergency events such as foundation pit water burst and the like due to the advantages of high expansion rate, high strength, quick water stop, good impermeability and the like. But the polyurethane plugging has the following problems: the plugging agent is not suitable for plugging in a low-temperature environment, for example, in the process of foundation pit emergency in winter, the environment temperature is lower than 5 ℃, after the polyurethane is contacted with water, the curing speed is slow, the polyurethane is often diluted and lost by water, and the plugging effect is poor.
Aiming at the problem of low curing speed of polyurethane for foundation pit emergency in low-temperature environment in the prior art, the technical personnel in the field are always searching for a solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foundation ditch grouting temperature regulating device that speedily carries out rescue work to solve and use the slow problem of polyurethane solidification speed for the foundation ditch rescue work under the low temperature environment among the prior art.
For solving the technical problem, the utility model provides a foundation ditch grouting temperature regulating device that speedily carries out rescue work is applicable to the polyurethane leaking stoppage in-process that speedily carries out rescue work of foundation ditch under the low temperature environment, foundation ditch grouting temperature regulating device that speedily carries out rescue work includes: the temperature controller controls the heating part to heat the temperature reached by the grouting pipe according to the temperature of the grouting pipe sensed by the temperature sensor.
Optionally, in the foundation pit emergency grouting temperature control device, a sleeve is further included, and the sleeve is arranged on the outer side of the grouting pipe to seal the heating component and the temperature sensor.
Optionally, in the foundation pit emergency grouting temperature control device, the specification of the grouting pipe is
The wall thickness of the tube is 2 mm; the specification of the sleeve is
The wall thickness of the tube is 1.8 mm.
Optionally, in the foundation pit emergency grouting temperature control device, the heating member is an electric heating tape, and the electric heating tape is spirally wound and fixed on the outer wall of the grouting pipe.
Optionally, in the foundation pit emergency grouting temperature control device, the temperature sensor is disposed in the grouting pipe.
Optionally, in the foundation pit emergency grouting temperature control device, the temperature controller controls the heating part to heat the grouting pipe to reach a temperature of 25 ℃.
Optionally, in the foundation pit emergency grouting temperature control device, the heating part and the working temperature range of the temperature sensor are as follows: -40 ℃ to 85 ℃.
Optionally, the foundation pit emergency grouting temperature control device in, still include the power, the heater block the temperature-sensing ware reaches temperature controller all with the power is connected.
The foundation pit emergency grouting temperature control device provided by the utility model can improve the temperature of polyurethane in the grouting pipe in the low-temperature environment, improve the curing speed of the contact of the polyurethane and water, and effectively solve the problem of slow curing speed of the polyurethane for foundation pit emergency in the low-temperature environment; in addition, the temperature controller can control the heating temperature and effectively control the heating time node, so that the danger of preheating the polyurethane in advance is avoided, and the influence on the environment is reduced. To sum up, the utility model discloses a foundation ditch is speedily carried out rescue work slip casting temperature regulating device has convenient operation, installation and maintenance simple and convenient, swift, the safe pollution-free performance.
Drawings
Fig. 1 is the utility model discloses an embodiment foundation ditch emergency rescue slip casting temperature regulating device's structural schematic.
In the figure:
10-a temperature controller;
11-an electric heating belt;
12-a temperature sensor;
13-a sleeve;
20-grouting pipe.
Detailed Description
The foundation pit emergency grouting temperature control device provided by the utility model is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a foundation pit emergency grouting temperature control device according to the present invention. As shown in fig. 1, the foundation pit emergency grouting temperature control device comprises: the temperature controller 10, the heating component and the temperature sensor 12 are respectively connected with the temperature controller 10, and the temperature controller 10 controls the temperature reached by the heating component to heat the grouting pipe 20 according to the temperature of the grouting pipe 20 sensed by the temperature sensor 12. The utility model discloses a slip casting temperature regulating device that speedily carries out rescue work of foundation ditch is applicable to the polyurethane leaking stoppage in-process that speedily carries out rescue work of foundation ditch under the low temperature environment, mainly utilizes the heater block to the heating of slip casting pipe 20, promotes the temperature of slip casting pipe 20, and then improves the temperature of polyurethane in the slip casting pipe 20 to the solidification rate of polyurethane with the moisture contact has been improved, the slow difficult problem of polyurethane solidification rate is used in the foundation ditch rescue work of effectively solving under the low temperature environment. In addition, utilize temperature controller 10 control heating temperature, effective control heating time node to avoid the danger of polyurethane preheating in advance (because the transportation of polyurethane, storage are sealed plastic drum package, the heating explodes very easily), reduced the polyurethane and taken place the pollution condition emergence of explosion to the environment, safe and reliable.
Preferably, in this embodiment, as shown in fig. 1, the heating component is an electric heating tape 11, and the electric heating tape 11 is spirally wound and fixed on the outer wall of the grouting pipe 20; the temperature sensor 12 includes, but is not limited to, being disposed in the grout pipe 20 as long as the temperature of the grout pipe 20 is sensed. Specifically, the electric heating tape 11 is spirally wound on the outer wall of the grouting pipe 20, the winding pitch is determined according to a drawing set 03S401 of a pipeline electric tracing tape winding installation chart, and the electric heating tape 11 occupies the length of the grouting pipe 20 after being wound, which is less than 100 m. The electric heating tape 11 has the advantages that: the heating temperature is uniform, overheating is avoided, and safety and reliability are realized; the electric energy is saved, and the operation cost is low; the intermittent operation, the temperature rise starts fast, therefore, adopt the electric heat tape 11 as the heating block of the foundation ditch emergency rescue slip casting temperature regulating device is the most safe and reliable.
Further, the operating temperature ranges of the heating component and the temperature sensor are as follows: -40 ℃ to 85 ℃; the temperature controller controls the heating part to heat the grouting pipe to reach 25 ℃, and because polyurethane generates chain extension crosslinking reaction after meeting water, experiments prove that the curing is only ten seconds when the optimal environment temperature is 25 ℃.
With continuing reference to fig. 1, the grouting temperature control device for emergency treatment of foundation pit further includes a sleeve 13 disposed outside the grouting pipe 20 to seal and seal the heating component and the temperature sensor 12, so as to prevent water, slurry and the like from entering the sleeve 13 to cause short circuit or failure of the heating component and the temperature sensor 12. It is understood that the heating element and the temperature sensor 12 are not completely sealed, and the two ends of the sleeve 13 are exposed to the joints of the heating element and the temperature sensor 12 for connecting with the temperature controller 10 disposed outside the sleeve 13.
In this embodiment, the specification of the grouting pipe is
The wall thickness of the pipe is 2mm, and the highest pressure of the pipe can be resisted to be 0.3 Mpa; the specification of the sleeve is
The wall thickness of the pipe is 1.8mm, and heat-insulating paint is coated inside the pipe.
Further, foundation ditch speedily carries out rescue work slip casting temperature regulating device still includes the power, the heater block the temperature-sensing ware reaches temperature controller all with the power is connected, and the power adopts 220V for provide energy for temperature-sensing ware and temperature controller.
Correspondingly, the embodiment also provides an application method of the foundation pit emergency grouting temperature control device. Referring to fig. 1, an application method of the foundation pit emergency grouting temperature control device according to the embodiment is described in detail by taking a heating component as an electric heating tape 11 as an example, and the application method of the foundation pit emergency grouting temperature control device specifically includes the following steps:
firstly, executing step S1, and installing a foundation pit emergency grouting temperature control device on the grouting pipe 20;
specifically, firstly, an electric heating tape 11 is spirally wound and fixed on the outer wall of the grouting pipe 20, and a temperature sensor 12 is installed to monitor the temperature of the grouting pipe 20 in real time; then, after the electric heating tape and the temperature sensor 12 are installed, the outer surface is sleeved with the electric heating tape and the temperature sensor
The two ends of the pipe are exposed out of the electric heating tape joint to seal the sleeve, so that water, slurry and the like are effectively prevented from entering the sleeve to cause short circuit or failure of the electric heating tape and the temperature sensor 12; finally, the electric heating belt 11, the temperature sensor 12 and the temperature controller are connected to a power supply, and the joints of the electric heating belt and the temperature sensor 12 are respectively connected to the temperature controller 10.
Next, step S2 is executed, the temperature controller 10 of the foundation pit emergency grouting temperature control device controls the heating component to heat the temperature of the grouting pipe 20 according to the temperature of the grouting pipe 20 sensed by the temperature sensor 12; preferably, the temperature controller controls the heating member to heat the injection pipe 20 to a temperature of 25 ℃.
In summary, the utility model provides an among the foundation ditch grouting temperature regulating device that speedily carries out rescue work, the foundation ditch grouting temperature regulating device that speedily carries out rescue work includes temperature controller, with heater block and temperature-sensing ware that temperature controller connects respectively, temperature controller is according to the slip casting pipe temperature of temperature-sensing ware sensing, controls the temperature that the heater block heating slip casting pipe reachs to make the temperature of polyurethane in the slip casting pipe promote to some extent under the low temperature environment, improved the solidification rate of polyurethane and moisture contact, effectively solve the low difficult problem of polyurethane solidification rate for the foundation ditch rescue work under the low temperature environment; in addition, the temperature controller can control the heating temperature and effectively control the heating time node, so that the danger of preheating the polyurethane in advance is avoided, and the influence on the environment is reduced. To sum up, the utility model discloses a foundation ditch is speedily carried out rescue work slip casting temperature regulating device has convenient operation, installation and maintenance simple and convenient, swift, the safe pollution-free performance.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (8)
1. The utility model provides a foundation ditch emergency rescue slip casting temperature regulating device, is applicable to the polyurethane leaking stoppage in-process of foundation ditch emergency rescue under the low temperature environment, its characterized in that includes: the temperature controller controls the heating part to heat the temperature reached by the grouting pipe according to the temperature of the grouting pipe sensed by the temperature sensor.
2. The foundation pit emergency grouting temperature control device according to claim 1, further comprising a sleeve arranged outside the grouting pipe to seal the heating member and the temperature sensor.
3. The foundation pit emergency grouting temperature control device according to claim 2, wherein the specification of the grouting pipe is
The wall thickness of the tube is 2 mm; the specification of the sleeve is
The wall thickness of the tube is 1.8 mm.
4. The foundation pit emergency grouting temperature control device according to claim 1, wherein the heating member is an electric heating tape, and the electric heating tape is spirally wound and fixed on the outer wall of the grouting pipe.
5. The foundation pit emergency grouting temperature control device of claim 4, wherein the temperature sensor is arranged in the grouting pipe.
6. The foundation pit emergency grouting temperature control device according to claim 1, wherein the temperature controller controls the heating member to heat the grouting pipe to a temperature of 25 ℃.
7. The foundation pit emergency grouting temperature control device according to claim 1, wherein the operating temperature ranges of the heating component and the temperature sensor are as follows: -40 ℃ to 85 ℃.
8. The foundation pit emergency grouting temperature control device according to any one of claims 1 to 7, further comprising a power supply, wherein the heating component, the temperature sensor and the temperature controller are all connected to the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728476.1U CN210864435U (en) | 2019-10-16 | 2019-10-16 | Foundation pit emergency grouting temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921728476.1U CN210864435U (en) | 2019-10-16 | 2019-10-16 | Foundation pit emergency grouting temperature control device |
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| Publication Number | Publication Date |
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| CN210864435U true CN210864435U (en) | 2020-06-26 |
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| CN201921728476.1U Active CN210864435U (en) | 2019-10-16 | 2019-10-16 | Foundation pit emergency grouting temperature control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359728A (en) * | 2020-12-04 | 2021-02-12 | 中国十七冶集团有限公司 | Prestressed pipeline grouting heating method |
| WO2021073208A1 (en) * | 2019-10-16 | 2021-04-22 | 上海建工二建集团有限公司 | Foundation pit rescue grouting temperature control device and application method thereof |
-
2019
- 2019-10-16 CN CN201921728476.1U patent/CN210864435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073208A1 (en) * | 2019-10-16 | 2021-04-22 | 上海建工二建集团有限公司 | Foundation pit rescue grouting temperature control device and application method thereof |
| CN112359728A (en) * | 2020-12-04 | 2021-02-12 | 中国十七冶集团有限公司 | Prestressed pipeline grouting heating method |
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