CN219993744U - Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel - Google Patents

Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel Download PDF

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Publication number
CN219993744U
CN219993744U CN202321506985.6U CN202321506985U CN219993744U CN 219993744 U CN219993744 U CN 219993744U CN 202321506985 U CN202321506985 U CN 202321506985U CN 219993744 U CN219993744 U CN 219993744U
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China
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water
pipe
temperature
hot water
drill
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CN202321506985.6U
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Chinese (zh)
Inventor
向亮
李国良
刘国庆
朵生君
靳宝成
向阳
孙梓栗
苏少鹏
刘蕤源
周黎明
王占东
尹陇娟
王煦霖
刘陆拓
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China Railway First Survey and Design Institute Group Ltd
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China Railway First Survey and Design Institute Group Ltd
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Abstract

The utility model discloses a water combiner structure for preventing a high-temperature high-pressure hot water tunnel from bursting. In the ultra-high temperature hot water tunnel construction process, gushing water can possibly gush, and potential safety hazards exist. The drill hole pipe is fixedly arranged at the position of a grouting hole drilling position through the flange plate, a drill bit to drill rod part of the water stopper is arranged in a steel pipe of the drill hole pipe, and the drill bit is arranged at the tail end of the grouting hole; the flange plate is fixedly connected with one end of the steel pipe; one end of the drill rod connected with the drill bit is provided with a check valve; the other end of the drill rod is connected with a pipe body through a flange, and the other end of the pipe body is connected with a three-way flow director through a flange; the pipe body is connected with a high-temperature high-pressure gate valve; the three-way fluid director is connected with an automatic control butterfly valve, and the other end of the automatic control butterfly valve is provided with a slag discharging port. According to the utility model, the low-temperature cold water can be filled into the ball valve to fuse the high-temperature hot water, and the high-temperature hot water and the drilling slag are led to a safe area through the slag discharge port, so that the discharge is safe and controllable.

Description

Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel
Technical Field
The utility model belongs to the technical field of high-temperature high-pressure hot water tunnel engineering construction, and particularly relates to a water combiner structure for preventing a high-temperature high-pressure hot water tunnel from bursting.
Background
If the surrounding rock temperature of the tunnel body is about 80 ℃ and the relative humidity reaches more than 80%, the problem of high ground temperature becomes more remarkable, the construction environment in the tunnel can be deteriorated due to high-temperature damp and heat, the health and safety of constructors are seriously threatened, the tunnel construction progress is affected, and the tunnel construction safety risk is increased.
Because tunnel excavation can cause the original stress relaxation of surrounding rock to a certain extent or the joint development of the surrounding rock, the surrounding rock can deform to generate cracks. The underground water and the surface water form a water seepage field and a circulating system along surrounding rock cracks according to the law of seepage, supplementation and drainage from a high-pressure area to a low area, and the tunnel excavation space is positioned at the center of the circulating system, so that conditions are created for tunnel seepage, and the service life and the safety of the tunnel are seriously influenced by the water seepage phenomenon in the ultra-high-temperature hot water tunnel.
The existing ultra-high temperature hot water tunnel grouting and seepage blocking construction adopts drilling, injecting and pushing section by section, and water and drilling slag are discharged through a gap between a hole wall and a drill rod in the drilling process; in the deslagging process, gushing water can possibly gush, high-temperature water heat dissipation and water vapor can cause the rise of the construction environment temperature of the face to increase the construction difficulty, and the gushing of the high-temperature water can easily cause personnel burn, so that great potential safety hazard exists.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides the water burst prevention combiner structure for the high-temperature and high-pressure hot water tunnel, which can reduce the temperature and drain the high-temperature hot water generated in the grouting and seepage blocking construction process of the high-temperature hot water tunnel, ensure the safe discharge of the high-temperature hot water in the drilling construction process, reduce the environmental temperature and improve the construction safety.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a water combiner structure for preventing a high-temperature high-pressure hot water tunnel from bursting comprises an orifice pipe and a water stopper;
the drill bit to drill rod part of the water stopper is arranged in the steel pipe of the orifice pipe, and the drill bit is arranged at the tail end of the grouting hole;
the flange plate is fixedly connected with one end of the steel pipe; one end of the drill rod, which is connected with the drill bit, is provided with a check valve; the other end of the drill rod is connected with a pipe body through a flange, and the other end of the pipe body is connected with a three-way fluid director through a flange;
the pipe body is connected with a high-temperature high-pressure gate valve;
the three-way fluid director is connected with an automatic control butterfly valve, and the other end of the automatic control butterfly valve is provided with a slag discharging port.
Further, the steel pipe body is fixedly connected with a ball valve through a monofilament joint.
Further, the monofilament joint is welded with the steel pipe.
Further, the other end of the three-way fluid director is connected with other pipe bodies through a flange, and a sealing sleeve is arranged on the pipe body.
The utility model has the beneficial effects that:
1) In the drilling process, the low-temperature cold water can be filled into the ball valve to fuse the high-temperature hot water, so that the hot water temperature of the tunnel drilling is reduced, the high-temperature hot water and the drilling slag body are led to a safe area through the slag discharge port, a heat source is effectively controlled, the environment temperature is reduced, and risks of personnel burn and the like caused by high-temperature hot water gushing are prevented;
2) According to the utility model, the remote control switch of the butterfly valve is automatically controlled to automatically control the discharge amount of high-temperature water in drilling, so that the safe and controllable discharge of high-temperature water in the drilling construction process is realized;
3) The method has the advantages of small harm to tunnel constructors, short engineering period, high safety and wide market application prospect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an orifice tube structure according to the present utility model;
FIG. 3 is a schematic view of a water stopper according to the present utility model;
in the figure, 1-orifice pipe, 101-steel pipe, 102-flange plate, 103-single wire joint, 104-ball valve, 2-water stopper, 201-drill bit, 202-drill rod, 203-check valve, 204-pipe body, 205-three-way deflector, 206-high temperature high pressure gate valve, 207-automatic control butterfly valve, 208-slag discharge port and 209-sealing sleeve.
Detailed Description
The present utility model will be described in detail with reference to the following embodiments.
As shown in fig. 1, the present utility model includes an orifice pipe 1 and a water stopper 2; the orifice pipe 1 is fixedly arranged at the position of a grouting hole drilling position through the flange 102, a part from a drill bit 201 to a drill rod 202 of the water stopper 2 is arranged in the steel pipe 101 of the orifice pipe 1, and the drill bit 201 is arranged at the tail end of the grouting hole;
as shown in fig. 2, the orifice pipe 1 comprises a steel pipe 101, a flange 102, a monofilament joint 103 and a ball valve 104, wherein the flange 102 is fixedly connected with one end of the steel pipe 101, and the ball valve 104 is connected with the steel pipe 101 through the monofilament joint 103; the steel pipe 101 is made of a seamless steel pipe with phi 108mm and a wall thickness of 4.5 mm; the monofilament joint 103 is welded with the steel pipe 101; the processing and welding quality of the orifice pipe must be stable and firm, and the safety event of the orifice pipe weld joint burst injury is avoided under the working condition of high-pressure grouting;
as shown in fig. 3, the water stopper 2 comprises a drill bit 201 and a drill rod 202, wherein one end of the drill rod 202 connected with the drill bit 201 is provided with a check valve 203, the other end of the drill rod 202 is connected with a pipe body 204 through a flange, and the other end of the pipe body 204 is connected with a three-way flow director 205 through a flange; the pipe body 204 is connected with a high-temperature high-pressure gate valve 206;
an automatic control butterfly valve 207 is connected to the three-way flow director 205, and a slag discharging port 208 is arranged at the other end of the automatic control butterfly valve 207;
the other end of the three-way flow director 205 is connected with other pipe bodies through a flange, a sealing sleeve 209 is arranged on the pipe body, the pipe bodies effectively ensure that a drill rod is connected with an external drilling machine, and simultaneously, the outflow of underground water can be controlled and blocked;
the automatic control butterfly valve 207 is remotely controlled to switch, so that the discharge amount of high-temperature water in drilling holes is automatically controlled, and a heat source is effectively controlled.
The application method of the utility model is as follows:
the orifice pipe is arranged at the hole of the grouting hole, and a prepositive burying process method of wrapping hemp ropes, expansion bolts (cartridge bolts or cartridge anchor rods) and cement-based material sealing is adopted, so that the orifice pipe is firmly and tightly arranged and is free from water leakage and slurry leakage; before embedding the orifice pipe, filling the whole pipe with cement-based anchoring agent at least 0.5h in advance, and winding the cement-based anchoring agent at a position about 50cm away from the pipe orifice by using hemp ropes; a water stopper is arranged at the tail end of the grouting hole, and the drill bit to drill rod part of the water stopper is arranged in the orifice pipe;
in the drilling process, low-temperature cold water is filled into the ball valve 104 to fuse high-temperature hot water in the water stopper 2, so that the temperature of the hot water is reduced; the high-temperature hot water and the drilling slag flow through the three-way flow director 205, the automatic control butterfly valve 207 and the slag discharging port 208 to be drained to a safe area; after the drilling tool exits, the high-temperature high-pressure gate valve 206 can be closed in time, grouting and water blocking are performed in time through the ball valve 104, and the construction progress is accelerated; the contact between personnel and high-temperature hot water is reduced as much as possible, and the complete construction is ensured.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The content of the utility model is not limited to the examples listed, and any equivalent transformation to the technical solution of the utility model that a person skilled in the art can take on by reading the description of the utility model is covered by the claims of the utility model.

Claims (4)

1. A high temperature high pressure hot water tunnel prevents abrupt water combiner structure which characterized in that: comprises an orifice pipe (1) and a water stopper (2);
the drill hole drill comprises an orifice pipe (1), a flange plate (102), a drill bit (201) and a drill rod (202), wherein the orifice pipe (1) is fixedly arranged at a hole position of a grouting hole, the drill bit (201) of the water stopper (2) is arranged in a steel pipe (101) of the orifice pipe (1) in a part from the drill rod (202), and the drill bit (201) is arranged at the tail end of the grouting hole;
the flange plate (102) is fixedly connected with one end of the steel pipe (101); one end of the drill rod (202) connected with the drill bit (201) is provided with a check valve (203); the other end of the drill rod (202) is connected with a pipe body (204) through a flange, and the other end of the pipe body (204) is connected with a three-way flow director (205) through a flange;
the pipe body (204) is connected with a high-temperature high-pressure gate valve (206);
an automatic control butterfly valve (207) is connected to the three-way flow director (205), and a slag discharge port (208) is formed in the other end of the automatic control butterfly valve (207).
2. The structure of a high-temperature and high-pressure hot water tunnel outburst prevention water combiner according to claim 1, wherein: the steel pipe (101) is fixedly connected with a ball valve (104) through a monofilament joint (103).
3. The structure of a high-temperature and high-pressure hot water tunnel outburst prevention water combiner according to claim 2, wherein: the monofilament joint (103) is welded with the steel pipe (101).
4. A high temperature and high pressure hot water tunnel anti-burst water combiner structure according to claim 3, wherein: the other end of the three-way flow director (205) is connected with other pipe bodies through a flange, and a sealing sleeve (209) is arranged on the pipe body.
CN202321506985.6U 2023-06-13 2023-06-13 Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel Active CN219993744U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321506985.6U CN219993744U (en) 2023-06-13 2023-06-13 Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321506985.6U CN219993744U (en) 2023-06-13 2023-06-13 Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel

Publications (1)

Publication Number Publication Date
CN219993744U true CN219993744U (en) 2023-11-10

Family

ID=88614838

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321506985.6U Active CN219993744U (en) 2023-06-13 2023-06-13 Water combiner structure for preventing water burst of high-temperature high-pressure hot water tunnel

Country Status (1)

Country Link
CN (1) CN219993744U (en)

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