Prestressed pipeline grouting heat preservation device

Abstract

The utility model relates to the technical field of engineering, in particular to a prestressed pipeline mud jacking heat preservation device which comprises plastic reticulated fiber water hoses, the plastic reticulated fiber water hoses are arranged along the full length of mud jacking corrugated pipes, and at least one plastic reticulated fiber water hose is spirally wound on the outer side of each corrugated pipe. And hot water is kept in the plastic reticulated fiber water hose. According to the prestressed pipeline mud jacking heat preservation device, the plastic reticulated fiber water hose is wound on the corrugated pipe, and the plastic reticulated fiber water hose has good plasticity and strength, so that concrete impact can be effectively resisted, and the plastic reticulated fiber water hose can be well attached to the corrugated pipe in a spiral state; the corrugated pipe is directly heated by the hot water in the plastic reticulated fiber water hose, so that the heating efficiency, the uniformity and the stability can be effectively improved, the flowability and the construction quality of grouting liquid are improved, and smooth grouting operation is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering technical field, especially a prestressed pipeline pressure grouting heat preservation device. BACKGROUND

[0002] At present, in order to control the winter prestressed pipeline pressure grouting construction quality, the traditional method has the heat preservation shed around the beam body, improves the heat preservation shed temperature, indirectly improves the pressure grouting construction temperature, or the electric heating wire is wound outside the corrugated pipe of pressure grouting, and the electric heating wire is heated by connecting the power supply, and the corrugated pipe temperature is guaranteed, or a double-layer corrugated pipe is used, and the electric heating wire is spirally arranged in the accommodating space formed by the inner pipe wall and the outer pipe wall, the electric heating wire is heated by connecting the power supply, and the corrugated pipe temperature is guaranteed, or a low negative temperature pipeline pressure grouting agent is used, and can be used above-10 DEG C environmental temperature.

[0003] The above-mentioned method has the following problems: (1) the large range winter prestressed pipeline pressure grouting construction can cause the input of a large amount of disposable materials, the heat utilization rate of the overall heat preservation shed is low, the new material purchase price is expensive, and the cost input problem is caused; (2) the impact on the corrugated pipe in the concrete pouring process can easily cause the damage of the electric heating wire outside; (3) the electric heating wire itself has high temperature, which can not be controlled and unstable. UTILITY MODEL CONTENTS

[0004] The utility model discloses a prestressed pipeline pressure grouting heat preservation device, which can solve the problems of high cost, invalid heat preservation and unstable heat preservation in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A prestressed pipeline pressure grouting heat preservation device, comprising a plastic net fiber soft water pipe, the plastic net fiber soft water pipe is arranged along the length of the corrugated pipe of pressure grouting, and at least one plastic net fiber soft water pipe is spirally wound outside each corrugated pipe, and hot water is kept in the plastic net fiber soft water pipe.

[0007] The utility model discloses a kind of prestressed pipe pressure grouting heat preservation devices, by being wound on corrugated pipe by setting the plastic net pattern fiber soft water pipe, since the plastic net pattern fiber soft water pipe has good plastic type and strength, can effectively resist concrete impact, and can be well attached with corrugated pipe in spiral state, by the hot water in the plastic net pattern fiber soft water pipe is directly heated to corrugated pipe, can effectively improve heating efficiency, uniformity and stability, to improve the liquidity of pressure grouting liquid and construction quality, ensure that pressure grouting operation is carried out smoothly.

[0008] As the preferred technical scheme of the utility model, at least two plastic net pattern fiber soft water pipes are distributed on the outside of each corrugated pipe.

[0009] As the preferred technical scheme of the utility model, the prestressed pipe pressure grouting heat preservation device further comprises:

[0010] A heat preservation water tank is provided with water inside;

[0011] An electric heating rod is arranged in the heat preservation water tank, and the electric heating rod is used to heat water to form the hot water;

[0012] A water pump has an inlet arranged in the heat preservation water tank and an outlet connected to the inlet of the plastic net pattern fiber soft water pipe, and the outlet of the plastic net pattern fiber soft water pipe is connected to the heat preservation water tank, and the water pump is used to drive the hot water into the plastic net pattern fiber soft water pipe.

[0013] As the further preferred technical scheme of the utility model, a heat-sensitive sensor is arranged in the heat preservation water tank.

[0014] As the further preferred technical scheme of the utility model, the electric heating rod and the heat-sensitive sensor are connected in series, and are connected to a power supply through an electric wire, and a switch is connected to the electric wire.

[0015] As the further preferred technical scheme of the utility model, an anchor seat is arranged on the inner wall of the heat preservation water tank, and the electric heating rod and the water pump are respectively fastened to the anchor seat through bolts.

[0016] As the further preferred technical scheme of the utility model, the water pump is connected to a power supply through an electric wire, and a switch is connected to the electric wire.

[0017] As the further preferred technical scheme of the utility model, the heat preservation water tank sequentially comprises a steel plate and thermal insulation cotton from inside to outside, and the top cover and one side wall of the heat preservation water tank are connected through a hinge.

[0018] As a further preferred technical scheme of the utility model, two ends of each corrugated pipe are respectively provided with one last-stage pipe diameter conversion joint, the plastic net fiber soft water pipe is connected with the last-stage pipe diameter conversion joint, the last-stage pipe diameter conversion joint is connected with the front-stage pipe diameter conversion joint through the water pipe, and the front-stage pipe diameter conversion joint is connected with the water pump or the heat preservation water tank through the water pipe.

[0019] As a further preferred technical scheme of the utility model, the water pipe adopts the plastic net fiber soft water pipe.

[0020] As a further preferred technical scheme of the utility model, the water pipe adopts the plastic net fiber soft water pipe.

[0021] The utility model discloses a kind of prestressed pipe pressure grouting heat preservation devices, by being wound on corrugated pipe by setting the plastic net fiber soft water pipe, since the plastic net fiber soft water pipe has good plastic type and strength, can effectively resist concrete impact, and can be well attached with corrugated pipe in spiral state, by the plastic net fiber soft water pipe, the heating efficiency, uniformity and stability can be effectively improved by keeping the hot water directly heating corrugated pipe, to improve the fluidity of pressure grouting liquid and construction quality, ensure that pressure grouting operation is carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic view of prestressed pipe pressure grouting heat preservation device;

[0023] Figure 2 It is the structure schematic view of heat preservation water tank;

[0024] Figure 3 It is the opening and closing schematic view of heat preservation water tank;

[0025] Figure 4 It is the schematic view of water pump anchoring;

[0026] Figure 5 It is the schematic view of electric heating rod anchoring;

[0027] Figure 6 It is the schematic view of pipe diameter conversion joint.

[0028] Mark in drawing:

[0029] 1-power supply;

[0030] 2-heat preservation water tank, 21-steel plate, 22-thermal insulation quilt, 23-hinge, 24-anchoring seat, 25-bolt;

[0031] 3-wire, 31-switch;

[0032] 4-thermally sensitive sensor;

[0033] 5 - electric heating rod;

[0034] 6 - hot water;

[0035] 7 - water pump;

[0036] 8 - plastic ribbed fiber soft water pipe;

[0037] 9 - pipe diameter conversion joint. DETAILED DESCRIPTION

[0038] The utility model will be described in further detail below in combination with test examples and specific embodiments. However, this should not be understood as limiting the scope of the above-mentioned subject matter of the utility model to the following examples only, and any technology realized based on the content of the utility model falls within the scope of the utility model.

[0039] In the description of the specific embodiments of the utility model, the orientation or positional relationship expression terms appearing in the description, such as "up", "down", "left", "right", "center", "inner", "outer", etc., are based on the orientation or positional relationship expressed in the drawings, or the orientation or positional relationship used when the product / equipment / device of the utility model is normally used. These orientation or positional relationship terms are only used to facilitate the description of the utility model scheme or simplify the description in the specific embodiments, so as to facilitate the quick understanding of the scheme by the technicians, and therefore cannot be understood as indicating or implying that a specific device / component / element must have a specific orientation or be constructed and operated in a specific positional relationship, and therefore cannot be understood as limiting the utility model.

[0040] In addition, if the terms "horizontal", "vertical", "suspended", "parallel", etc. appear, it does not mean that the corresponding device / component / element must be absolutely horizontal or vertical or suspended or parallel, but can be slightly inclined or deviated. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to mean that the corresponding device / component / element is arranged in the "horizontal", "vertical", "suspended", "parallel" direction, and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the utility model.

[0041] In addition, the terms "first", "second", "third", etc. appearing in the terms are only used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of the specific components.

[0042] Further, in the description of the embodiments of the utility model, "several" "a plurality of" "several" represents at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9 etc. Any situation, or even more than 9 cases.

[0043] Further, in the description of the technical scheme of the utility model, unless otherwise explicitly specified / limited / limited, the term "set" "installation" "connected" "connected" "provided with" "laid" "arranged" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, which can be welding, riveting, bolting, screwing and other commonly used connecting means in the art. The connection can be mechanical connection, electrical connection or communication connection, can be directly connected, or indirectly connected through an intermediate medium, can be the communication between two elements.

[0044] In the related art, the conventional prestressed pipe pressure grouting insulation method heats the prestressed pipe pressure grouting, resulting in a large amount of one-time material investment, low overall heat utilization rate of the heat preservation shed, high purchase price of the new material, damage of the heating wire, and high heating temperature of the heating wire. That is, it causes high cost investment, ineffective insulation measures and unstable insulation. Therefore, the technical scheme of the present application is generated, which is described below in conjunction with Figures 1 to 6 .

[0045] Embodiment 1

[0046] As Figures 1 to 6 indicated, the prestressed pipe pressure grouting insulation device comprises a constant temperature control system and a hot water circulation system, the constant temperature control system comprises a power supply 1, an electric wire 3, a thermal sensor 4 and an electric heating rod 5, and the hot water circulation system comprises a heat preservation water tank 2, a water pump 7, a plastic net fiber soft water pipe 8, a pipe diameter conversion joint 9 and hot water 6.

[0047] The plastic net fiber soft water pipe 8 is arranged along the corrugated pipe in the beam, and at least one plastic net fiber soft water pipe 8 is spirally wound outside each corrugated pipe, and at least two plastic net fiber soft water pipes 8 can be uniformly distributed outside each corrugated pipe, and in the embodiment, as Figure 1 indicated, three plastic net fiber soft water pipes 8 are uniformly distributed outside each corrugated pipe, and the setting angles of the three plastic net fiber soft water pipes 8 along the circumference of the corrugated pipe are consistent, that is, the setting angle of the adjacent plastic net fiber soft water pipe 8 is 120°, and the pitch of the plastic net fiber soft water pipe 8 is also consistent.

[0048] The hot water 6 is kept in the plastic net fiber soft water pipe 8, so that the corrugated pipe can be heated.

[0049] In an alternative embodiment, the corrugated pipe is fixed to the plastic netted fiber soft water pipe 8 as a whole by a circular steel reinforcement clamp, and one said steel reinforcement clamp is arranged every 2m.

[0050] As shown in Figures 1 to 5 , the heat preservation water tank 2 is internally provided with water; the heat preservation water tank 2 is sequentially provided with a steel plate 21 and heat preservation cotton quilt 22 from inside to outside; the heat preservation water tank 2 is connected between the top cover and one side wall through a hinge 23, so that the heat preservation water tank 2 can be opened and closed; the volume of the heat preservation water tank 2 is greater than the total amount of water used in the beam; the heat preservation water tank 2 is provided with holes at the corresponding positions of the water inlet, water outlet and power line inlet, and is provided with an anchoring seat 24 at the positions of the water pump 7, the electric heating rod 5 and the heat sensitive sensor 4, that is, in this embodiment, the water pump 7 and its inlet, the electric heating rod 5 and the heat sensitive sensor 4 are all arranged in the heat preservation water tank 2; the electric heating rod 5 is arranged in the heat preservation water tank 2, and the electric heating rod 5 is used for heating water to form the hot water 6.

[0051] In an alternative embodiment, as shown in Figure 2 , Figure 4 and Figure 5 , the anchoring seat 24 is made of channel steel, the flange plate is reversely buckled and welded to the steel plate 21, the height of the weld is not less than the thickness of the base material, bolt holes are arranged at the web, the water injection amount in the heat preservation water tank 2 is the water amount of the water tank scale plus the water amount of the plastic netted fiber soft water pipe 8, and the heat sensitive sensor 4, the electric heating rod 5 and the water pump 7 are respectively fastened on the anchoring seat 24 through bolts 25.

[0052] As shown in Figure 1 , the water pump 7 is selected according to the total water amount to be delivered, the inlet of the water pump 7 extends into the hot water 6 at the bottom of the heat preservation water tank 2, the outlet of the water pump 7 is connected to the inlet of the plastic netted fiber soft water pipe 8, the outlet of the plastic netted fiber soft water pipe 8 is connected to the heat preservation water tank 2, and the water pump 7 is used for driving the hot water 6 into the plastic netted fiber soft water pipe 8; the positive and negative poles of the water pump 7 are connected to the power supply 1 through the power line 3, and the positive pole is connected to the switch 31; the power supply 1 can be selected as 220V voltage.

[0053] As shown in Figure 1 , Figure 2 and Figure 5As shown, the thermal sensor 4 and the electric heating rod 5 are selected according to the control temperature, the electric heating rod 5 includes several, the positive pole of each of the electric heating rod 5 is connected with the negative pole of the thermal sensor 4 in series, the electric heating rods 5 are connected in parallel, the negative pole of the electric heating rod 5 is connected with the power supply 1 through the electric wire 3, and the positive pole of the thermal sensor 4 is connected with the power supply 1 through the electric wire 3 in turn and the switch 31; the thermal sensor 4 mainly controls the water temperature, when the water temperature reaches the preset temperature, the power supply 1 is disconnected, the electric heating rod 5 is powered off and stops heating, when the thermal sensor 4 detects that the temperature is lower than the preset temperature, the power supply 1 is closed, and the electric heating rod 5 is powered on and starts heating; the power supply 1 can be selected as 220V voltage; the electric heating rod 5 can be selected as a U-shaped electric heating rod.

[0054] As shown in Figure 1 and Figure 6 Each of the corrugated pipes is provided with a last-stage pipe diameter conversion connector 9 at both ends, the plastic net fiber soft water pipe 8 is connected with the last-stage pipe diameter conversion connector 9, the last-stage pipe diameter conversion connector 9 is connected with the front-stage pipe diameter conversion connector 9 through the water pipe, and the front-stage pipe diameter conversion connector 9 is connected with the water pump 7 or the heat preservation water tank 2 through the water pipe; the water pipe adopts the plastic net fiber soft water pipe 8; the pipe diameter of the plastic net fiber soft water pipe 8 in different connection sections is determined according to the flow water volume; the length of the plastic net fiber soft water pipe 8 in the beam is preferably the total length of the spiral in the beam plus 2m, the length of the plastic net fiber soft water pipe 8 connected with the heat preservation water tank 2 is preferably 2 times of the straight line length from the water tank to the beam body water inlet or the actual length, and the length should be as short as possible to avoid heat loss caused by the exposure of the plastic net fiber soft water pipe 8 to the environment.

[0055] In an optional embodiment, the plastic net fiber soft water pipe 8 adopts a transparent plastic net fiber soft water pipe.

[0056] In winter construction, the low-temperature environment has a significant influence on the fluidity of the grouting liquid, the plastic net fiber soft water pipe 8 in the beam directly heats the corrugated pipe through the constant-temperature hot water, which can effectively improve the heating efficiency, uniformity and stability, thereby improving the fluidity of the grouting liquid and the construction quality and ensuring the smooth progress of the grouting operation.

[0057] Except for the plastic net fiber soft water pipe 8 in the beam, the remaining components can be directly reused after installation, without repeated installation, which is high in construction efficiency and high in reuse rate and can effectively save construction cost.

[0058] The device can automatically control the hot water temperature to ensure that the hot water 6 in the plastic net fiber soft water pipe 8 in the beam is always in a constant-temperature state.

[0059] The prestressed pipeline grouting and heat preservation device has the advantages that the plastic net fiber soft water pipe 8 is wound on the corrugated pipe, the plastic net fiber soft water pipe 8 has good plasticity and strength, can effectively resist the impact of concrete, and can be well attached to the corrugated pipe in a spiral state.

[0060] The above merely describes a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A prestressed duct grouting insulation device, characterized in that, The system includes a plastic mesh fiber soft water pipe (8), which is installed along the entire length of the grouting corrugated pipe, and at least one plastic mesh fiber soft water pipe (8) is spirally wound around the outside of each corrugated pipe, and hot water (6) is kept in the plastic mesh fiber soft water pipe (8).

2. The prestressed duct grouting and insulation device according to claim 1, characterized in that, At least two of the plastic mesh fiber soft water pipes (8) are evenly distributed on the outer side of each corrugated pipe.

3. The prestressed duct grouting and insulation device according to claim 1, characterized in that, Also includes: Insulated water tank (2), which contains water; An electric heating rod (5) is installed in the insulated water tank (2), and the electric heating rod (5) is used to heat water to form the hot water (6); A water pump (7) has its inlet located in the insulated water tank (2) and its outlet connected to the inlet of the plastic mesh fiber soft water pipe (8). The outlet of the plastic mesh fiber soft water pipe (8) is connected to the insulated water tank (2). The water pump (7) is used to drive the hot water (6) into the plastic mesh fiber soft water pipe (8).

4. The prestressed duct grouting and insulation device according to claim 3, characterized in that, The thermal sensor (4) is installed in the insulated water tank (2).

5. The prestressed duct grouting and insulation device according to claim 3, characterized in that, The inner wall of the insulated water tank (2) is provided with an anchor seat (24), and the electric heating rod (5) and the water pump (7) are respectively fastened to the anchor seat (24) by bolts (25).

6. The prestressed duct grouting and insulation device according to claim 3, characterized in that, The water pump (7) is connected to the power supply (1) via a wire (3), and a switch (31) is connected to the wire (3).

7. The prestressed duct grouting and insulation device according to claim 3, characterized in that, The insulated water tank (2) consists of a steel plate (21) and an insulation cotton quilt (22) from the inside out. The top cover and one side wall of the insulated water tank (2) are connected by a hinge (23).

8. The prestressed duct grouting and insulation device according to claim 3, characterized in that, Each of the corrugated pipes has a final-stage pipe diameter conversion joint (9) at both ends. The plastic mesh fiber soft water pipe (8) is connected to the final-stage pipe diameter conversion joint (9). The final-stage pipe diameter conversion joint (9) is connected to the previous-stage pipe diameter conversion joint (9) through a water pipe. The previous-stage pipe diameter conversion joint (9) is connected to the water pump (7) or the insulated water tank (2) through the water pipe.

9. The prestressed duct grouting and insulation device according to claim 8, characterized in that, The water pipe is the plastic mesh fiber soft water pipe (8).

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