CN213452156U - Anti-freezing pipeline - Google Patents
Anti-freezing pipeline Download PDFInfo
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- CN213452156U CN213452156U CN202021758103.1U CN202021758103U CN213452156U CN 213452156 U CN213452156 U CN 213452156U CN 202021758103 U CN202021758103 U CN 202021758103U CN 213452156 U CN213452156 U CN 213452156U
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Abstract
The utility model relates to a pipeline prevents frostbite, a serial communication port, including outer tube and inner tube, the inner tube cover is established in the inboard of outer tube, and inner tube and outer tube fastening connection have in the confined space to meet the water and produce thermal self-heating material with forming to be located between the two, and the inner tube has the inlet opening that feeds through confined space. Because the self-heating material is arranged in the sealed space between the inner pipe and the outer pipe, the water flow in the inner pipe enters the sealed space through the water inlet hole, the self-heating material reacts with the water entering the sealed space to generate heat, and then the heat is utilized to achieve the anti-freezing effect of the inner pipe.
Description
Technical Field
The utility model relates to the field of pipelines, especially, relate to an anti-freezing pipeline.
Background
Most pipelines on the market are difficult to prevent freezing, particularly in the low-temperature environment outdoors in winter, once the interior of the pipeline is frozen, the pipeline is subjected to expansion cracking, even after the pipeline at a higher position outdoors is subjected to freezing cracking, because the pipeline is not treated in time, the water seepage at the frozen position of the pipeline is more and more, and the more the pipeline is frozen, the ice cone is finally formed. Once the ice cone falls off from the pipeline, accidents are easily caused, and even the life safety is affected. In addition, in the normal use process of the pipeline, the pressure in the pipeline is increased rapidly sometimes because of the influence of some unexpected factors, the pipeline is easy to crack and damage, the pipeline cannot be used normally, and financial loss and personal injury are brought to users.
Therefore, how to prevent the pipeline from being frozen and avoid the damage to the pipeline caused by the sharp rise of the pressure in the pipeline becomes two main technical problems to be solved in the pipeline field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pipeline that prevents frostbite that can reach effect is provided to above-mentioned prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an antifreeze conduit, comprising:
an outer tube;
the inner pipe is sleeved on the inner side of the outer pipe;
wherein, the inner tube is connected with the outer tube fastening in order to form the confined space that is located between the two, has the self-heating material of meeting water and producing heat in the confined space, and the inner tube has the inlet opening of intercommunication confined space.
Because the self-heating material is arranged in the sealed space between the inner pipe and the outer pipe, the water flow in the inner pipe enters the sealed space through the water inlet hole, the self-heating material reacts with the water entering the sealed space to generate heat, and then the heat is utilized to achieve the anti-freezing effect of the inner pipe.
Wherein, the outer pipe and the inner pipe can be made of stainless steel. The self-heating substance can be single quicklime or mixed powder consisting of sodium carbonate, calcined diatomite, iron powder, aluminum powder, coke powder, activated carbon, salt and quicklime, and the quicklime or the mixed powder can react with water to generate heat.
In order to further improve the anti-freezing effect of the pipeline, the outer side of the outer pipe can be sleeved with an insulating layer. Wherein, the heat-insulating layer can be a polyurethane foaming layer.
In order to avoid the pipeline from being broken due to the sudden increase of the pressure in the pipeline, in the anti-freezing pipeline of the utility model, a pressure reducing hole can be formed on the side wall of the inner pipe, a slide way is arranged in the pressure reducing hole, the slide way is provided with a slide block which can slide in the slide way to be attached and sealed with the pressure reducing hole, a spring is arranged on the slide block, and the other end of the spring is fixedly connected to the outer pipe in a direct or indirect way; wherein, the pressure reducing hole is the water inlet hole. The slider can also be provided with a groove for placing the spring.
Of course, the slideway can also be provided with a pressure relief hole communicated with the sealed space. Therefore, the water in the inner pipe can enter the sealed space from the pressure relief hole and can also enter the sealed space from the pressure relief hole of the slide way. Of course, according to actual needs, the side wall of the inner tube may be uniformly provided with a plurality of the pressure reducing holes.
Like this, when pipeline inside (being the inner tube) pressure sharply increases, the slider is extruded along the direction from the inner tube slide towards the outer tube to the pressure of increase, and the spring begins to be compressed, and the water in the inner tube passes through the pressure release hole earlier, then gets into the intermediate layer through the last pressure release aperture of slide, and the pressure in the inner tube just can obtain partial release to the inner tube obtains sufficient space, guarantees that the inner tube can not be because of its inside emergence icing or suffer the emergence of the cracking condition that appears in abnormal pressure.
In addition, in the utility model discloses an in playing the consideration that avoids the water in the inner tube to enter into in the confined space through the gap between slider and the slide, still be provided with the sealing washer between slider and the slide in this utility model's the pipeline that prevents frostbite.
In order to add the self-heating material into the sealed space between the inner pipe and the outer pipe in time to maintain the normal anti-freezing effect of the pipeline, a self-heating material adding port communicated with the sealed space can be formed on the side wall of the outer pipe.
For the purpose of limiting the spring to move along the slide way in the sealed space, in the anti-freezing pipeline of the utility model, an opening which is just opposite to the pressure reducing hole of the inner pipe is further formed on the side wall of the outer pipe, and a plug which is tightly connected with the other end of the spring is arranged in the opening.
As an implementation mode for fastening and connecting the inner pipe and the outer pipe of the pipeline, the anti-freezing pipeline further comprises two hoop rings which are respectively sleeved at two ends of the inner pipe, and the hoop rings are located on the inner side of the outer pipe and are fastened and connected with the inner wall of the outer pipe. Wherein the inner diameter of the collar radially matches the outer diameter of the inner tube and the outer diameter of the collar radially matches the inner diameter of the outer tube. Of course, the hoop and the inner pipe and the hoop and the outer pipe can be welded and fixed according to requirements.
In order to monitor the state of the pipeline, so that when the pipeline is cracked due to frost cracking or expansion cracking, an alarm prompt can be timely given to a monitoring party of the pipeline, and as a corresponding improvement measure, the anti-freezing pipeline further comprises:
the temperature sensor detects the temperature of the pipe wall of the inner pipe;
the pressure sensor is used for detecting the pressure applied to the pipe wall of the inner pipe;
the communication device is in communication connection with an external monitoring end;
and the controller is respectively connected with the temperature sensor, the pressure sensor and the communication device.
The temperature sensor and the pressure sensor continuously send the temperature data of the inner pipe wall and the pressure data received, which are respectively and correspondingly detected, to the controller, and then the controller sends out whether the temperature of the inner pipe wall is lower than a preset temperature threshold or whether the pressure received by the inner pipe wall exceeds a preset pressure threshold, so that an alarm prompt is generated, and the communication device of the anti-freezing pipeline sends the alarm prompt to an external monitoring end, so that personnel at a monitoring party of the pipeline can conveniently make corresponding measures.
Specifically to the position that sets up of sensor, in this utility model's anti-freezing pipeline, can be formed with first blind hole and the second blind hole that is close to the inner tube pipe wall on the lateral wall of outer tube respectively, temperature sensor sets up in first blind hole, and pressure sensor sets up in the second blind hole.
In addition, the communication device and the controller can be arranged at corresponding positions of the pipeline according to actual arrangement requirements (such as space layout requirements).
Compared with the prior art, the utility model has the advantages of:
firstly, a sealed space is formed between an inner pipe and an outer pipe which are fixedly connected, a self-heating substance which can generate heat when meeting water is placed in the sealed space, then water flow in the inner pipe enters the sealed space through a water inlet hole formed in the inner pipe, the self-heating substance reacts with the water entering the sealed space to generate heat, and then the heat is utilized to achieve the anti-freezing effect of the inner pipe;
secondly, through forming the pressure release hole on the lateral wall of inner tube, the gliding slide of confession slider has in the pressure release hole, make the slider can slide along the slide and seal the pressure release hole with the laminating, and set up the spring of one end fixed connection outer tube on the slider, like this, when pipeline inside (being inner tube) pressure sharply increases, the slider is extruded along the direction from the inner tube slide towards the outer tube to the increased pressure, the spring begins to be compressed, water in the inner tube passes through the pressure release hole earlier, then the pressure release aperture entering intermediate layer on the rethread slide, pressure in the inner tube just can obtain partial release, thereby the inner tube obtains sufficient space, ensure that the inner tube can not appear freezing or suffer the emergence of the cracking condition that rises of abnormal pressure because of its inside appearance.
Drawings
FIG. 1 is a schematic structural diagram of an anti-freezing pipeline in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the antifreeze conduit shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an exploded view of the antifreeze conduit shown in FIG. 1;
FIG. 5 is a schematic view of the fitting of the plug, the spring and the slider;
fig. 6 is a schematic view showing the connection of some functional components in the antifreeze pipeline in the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the embodiment provides an anti-freezing pipeline, including:
the outer pipe 1 is made of stainless steel;
the inner pipe 2 is made of stainless steel materials and sleeved on the inner side of the outer pipe 1, and a pressure reducing hole 20 is formed in the side wall of the inner pipe 2;
wherein, inner tube 2 and outer tube 1 fastening connection have the self-heating material of meeting water heat production in order to form to be located confined space 3 between the two in the confined space 3, and inner tube 2 has the inlet opening that communicates confined space 3, and the outside cover of outer tube 1 is equipped with heat preservation 4 that the polyurethane foaming layer was made. The self-heating substance can be single quicklime or mixed powder consisting of sodium carbonate, calcined diatomite, iron powder, aluminum powder, coke powder, activated carbon, salt and quicklime, and the quicklime or the mixed powder can react with water to generate heat.
Specifically, in the fastening connection mode between the inner pipe 2 and the outer pipe 1, the anti-freezing pipeline of the embodiment further includes two hoop belts 6 respectively sleeved at two ends of the inner pipe 2, and the hoop belts 6 are located on the inner side of the outer pipe 1 and are fastened and connected with the inner wall of the outer pipe 1. Specifically, the inner diameter of the collar 6 matches the outer diameter of the inner tube 2 radially, and the outer diameter of the collar 6 matches the inner diameter of the outer tube 1 radially. Of course, the hoop 6 and the inner pipe 2 and the hoop 6 and the outer pipe 1 may be welded and fixed as necessary.
Referring to fig. 2 and 3, a slide way 50 is arranged in the pressure reducing hole 20 of the inner tube 2, the slide way 50 is provided with a slide block 51 which can slide in the slide way to be attached and sealed with the pressure reducing hole 20, a groove 510 is arranged on the slide block 51, a spring 52 is arranged in the groove 510, and the other end of the spring 52 is fixedly connected to the outer tube 1 in a direct or indirect mode; here, the pressure reducing hole 20 is the above-mentioned water inlet hole, and a sealing ring 53 is provided between the slider 51 and the slide way 50. Of course, the arrangement relationship between the slider 51 and the spring 52 can also be seen in fig. 5. Through setting up sealing washer 53, can play the effect of avoiding the water in the inner tube to enter into in the confined space through the gap between slider and the slide.
In order to add the self-heating material into the sealed space between the inner pipe and the outer pipe in time to maintain the normal anti-freezing effect of the pipeline, a self-heating material adding port 10 communicating with the sealed space 3 may be formed on the side wall of the outer pipe 1. As shown in fig. 3 and 4, an opening 11 may be formed on the sidewall of the outer tube 1 to face the pressure reducing hole 20 of the inner tube 2, and a plug 12 fastened to the other end of the spring 52 may be provided in the opening 11. As a matching structure of the heat insulating layer and the outer pipe, as shown in fig. 1 to 4, the heat insulating layer 4 is provided with a first opening 40 corresponding to the opening 11 and a second opening 41 corresponding to the self-heating substance addition port 10.
In order to monitor the state of the pipeline, so as to prompt an alarm to the monitoring party of the pipeline in time when the pipeline is cracked due to frost cracking or spalling, as shown in fig. 4 and 6, the anti-freezing pipeline of the embodiment further comprises:
a temperature sensor 71 for detecting the temperature of the inner tube wall;
a pressure sensor 72 for detecting the pressure applied to the inner tube wall;
a communication device 73 which is connected to an external monitoring terminal in a communication manner;
and a controller 74 connected to the temperature sensor 71, the pressure sensor 72, and the communication device 73. Wherein, the side wall of the outer tube 1 is respectively provided with a first blind hole 13 and a second blind hole 14 which are close to the wall of the inner tube, a temperature sensor 71 is arranged in the first blind hole 13, and a pressure sensor 72 is arranged in the second blind hole 14.
Thus, the temperature sensor 71 and the pressure sensor 72 continuously send the temperature data and the received pressure data of the inner pipe wall, which are respectively and correspondingly detected, to the controller 74, and then the controller 74 sends out whether the inner pipe wall temperature is lower than a preset temperature threshold or whether the pressure received by the inner pipe wall exceeds a preset pressure threshold, so as to generate an alarm prompt, and the communication device 73 of the anti-freezing pipeline is used for sending the alarm prompt to an external monitoring end, so that a monitoring party of the pipeline can conveniently take measures.
Claims (9)
1. An antifreeze conduit, comprising:
an outer tube (1);
the inner pipe (2) is sleeved on the inner side of the outer pipe (1);
wherein, the inner tube (2) is connected with the outer tube (1) in a fastening way to form a sealed space (3) between the two, a self-heating substance which generates heat when meeting water is arranged in the sealed space (3), and the inner tube (2) is provided with a water inlet hole communicated with the sealed space (3).
2. Anti-freeze pipe according to claim 1, characterised in that the outer side of the outer pipe (1) is sheathed with an insulation layer (4).
3. The anti-freezing pipeline according to claim 1, characterized in that the side wall of the inner pipe (2) is formed with a pressure reducing hole (20), a slide way (50) is arranged in the pressure reducing hole (20), the slide way (50) is provided with a slide block (51) which can slide in the slide way to fit and seal the pressure reducing hole (20), the slide block (51) is provided with a spring (52), and the other end of the spring (52) is fixedly connected to the outer pipe (1) in a direct or indirect way; wherein, the pressure reducing hole (20) is the water inlet hole.
4. Anti-freeze pipe according to claim 3, characterized in that a sealing ring (53) is arranged between the slide (51) and the slide (50).
5. Frost protection pipe according to claim 3 or 4, characterized in that the slider (51) is provided with a groove (510) for placing a spring (52).
6. The antifreeze duct of claim 3, wherein a self-heating substance addition port (10) communicating with the sealed space (3) is formed on a side wall of the outer pipe (1); or/and an opening (11) which is opposite to the pressure reducing hole (20) of the inner pipe (2) is formed in the side wall of the outer pipe (1), and a plug (12) which is tightly connected with the other end of the spring (52) is arranged in the opening (11).
7. The anti-freezing pipeline according to any one of claims 1 to 4, characterized by further comprising two hoop rings (6) respectively sleeved at two ends of the inner pipe (2), wherein the hoop rings (6) are positioned at the inner side of the outer pipe (1) and are tightly connected with the inner wall of the outer pipe (1).
8. The antifreeze pipeline of any one of claims 1 to 4, further comprising:
a temperature sensor (71) for detecting the temperature of the inner tube wall;
a pressure sensor (72) for detecting the pressure applied to the inner tube wall;
a communication device (73) which is connected with an external monitoring end in a communication way;
and a controller (74) which is connected with the temperature sensor (71), the pressure sensor (72) and the communication device (73).
9. Anti-freeze pipe according to claim 8, characterized in that the outer pipe (1) is formed on its side walls with a first blind hole (13) and a second blind hole (14) respectively, close to the inner pipe wall, the temperature sensor (71) being arranged in the first blind hole (13) and the pressure sensor (72) being arranged in the second blind hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021758103.1U CN213452156U (en) | 2020-08-21 | 2020-08-21 | Anti-freezing pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021758103.1U CN213452156U (en) | 2020-08-21 | 2020-08-21 | Anti-freezing pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN213452156U true CN213452156U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021758103.1U Active CN213452156U (en) | 2020-08-21 | 2020-08-21 | Anti-freezing pipeline |
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| CN (1) | CN213452156U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563988A (en) * | 2021-07-22 | 2021-10-29 | 重庆国翔新材料有限公司 | Preparation method of environment-friendly tunnel drain pipe crystallization treatment substance |
| CN113701041A (en) * | 2021-10-29 | 2021-11-26 | 启东启控消声设备有限公司 | Automatic leakage-proof connecting pipeline for suspension type drainer |
| CN113775933A (en) * | 2021-07-28 | 2021-12-10 | 国网山东省电力公司阳信县供电公司 | Anti-freezing waterway system |
| CN114486059A (en) * | 2022-02-15 | 2022-05-13 | 军安密(山东)信息安全技术有限公司 | Be applied to pressure sensor's plug structure of preventing frostbite |
| CN115800067A (en) * | 2022-12-05 | 2023-03-14 | 江苏国明浩辰科技有限公司 | 35KV indoor SF6 gas inflation cabinet with pressure relief chamber |
-
2020
- 2020-08-21 CN CN202021758103.1U patent/CN213452156U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563988A (en) * | 2021-07-22 | 2021-10-29 | 重庆国翔新材料有限公司 | Preparation method of environment-friendly tunnel drain pipe crystallization treatment substance |
| CN113775933A (en) * | 2021-07-28 | 2021-12-10 | 国网山东省电力公司阳信县供电公司 | Anti-freezing waterway system |
| CN113701041A (en) * | 2021-10-29 | 2021-11-26 | 启东启控消声设备有限公司 | Automatic leakage-proof connecting pipeline for suspension type drainer |
| CN113701041B (en) * | 2021-10-29 | 2021-12-24 | 启东启控消声设备有限公司 | Automatic leakage-proof connecting pipeline for suspension type drainer |
| CN114486059A (en) * | 2022-02-15 | 2022-05-13 | 军安密(山东)信息安全技术有限公司 | Be applied to pressure sensor's plug structure of preventing frostbite |
| CN115800067A (en) * | 2022-12-05 | 2023-03-14 | 江苏国明浩辰科技有限公司 | 35KV indoor SF6 gas inflation cabinet with pressure relief chamber |
| CN115800067B (en) * | 2022-12-05 | 2023-09-19 | 江苏国明浩辰科技有限公司 | 35KV indoor SF6 gas charging cabinet with pressure release chamber |
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