CN211624888U

CN211624888U - Heat preservation pipeline with alarm device

Info

Publication number: CN211624888U
Application number: CN202020169631.7U
Authority: CN
Inventors: 孙强; 范进平; 孙伟; 王建辉
Original assignee: Ningxia Navigation Thermal Insulation Material Co ltd
Current assignee: Ningxia Navigation Thermal Insulation Material Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-10-02
Anticipated expiration: 2030-02-14

Abstract

The utility model belongs to the technical field of pipeline monitoring, in particular to a heat preservation pipeline with an alarm device, which comprises a high-density polyethylene protective layer, a polyurethane protective layer is arranged at the inner side of the high-density polyethylene protective layer, a working steel pipe is arranged at the inner side of the polyurethane protective layer, a pipe clamp is arranged at the outer ring of the working steel pipe, a limiting sheet is fixed in the pipe clamp, the limiting sheet is connected with the two ends of a monitoring cavity, a sealing cover is arranged above the monitoring cavity, an electric wire is connected with the bottom side of the monitoring cavity, capillary probe needles are connected with the two sides of the monitoring cavity, a breathing hole is arranged on the surface of the capillary probe needle, a humidity sensor and a signal transmitter are arranged in the sealing cover, the signal transmitter is wirelessly connected with a signal receiver, a relay and an acousto-optic alarm are arranged at the right side of the signal, the device can automatically alarm and monitor, is simple to install, convenient to replace and long in service life.

Description

Heat preservation pipeline with alarm device

Technical Field

The utility model belongs to the technical field of the pipeline control, concretely relates to heat preservation pipeline with alarm device.

Background

The heat preservation pipe is a short-term heat insulation pipeline, is used for conveying liquid, gas and other media, is used for heat preservation of heat insulation engineering of pipelines such as petroleum, chemical engineering, aerospace, hot springs, military affairs, central heating, central air conditioning, municipal administration and the like, not only has advanced technology and practical performance which are difficult to compare with the traditional trench and overhead laying pipeline, but also has remarkable social benefit and economic benefit, and is a powerful measure for heat supply and energy conservation.

Most of the heat preservation pipe conveying media are hidden projects, and the heat preservation pipe conveying media pass through a section with complex conditions, are multiple in points, long in line and wide in area, and are difficult to find or determine the leakage place in time after a leakage accident occurs, so that a large accident can be caused. At present, the urban heat-insulating pipe still adopts a manual inspection leak detection mode with relatively laggard technology, an inspector regularly carries a related leak detection instrument to inspect along a pipeline, the leakage can be found after the leakage occurs, the maintenance difficulty can be increased, and even an accident is caused.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a hot oil line with alarm device has automatic monitoring and reports to the police, long service life, the characteristics of being convenient for update.

In order to achieve the above object, the utility model provides a following technical scheme: a heat preservation pipeline with an alarm device comprises a high-density polyethylene protective layer, wherein a polyurethane protective layer is installed on the inner side of the high-density polyethylene protective layer, a working steel pipe is installed on the inner side of the polyurethane protective layer, a pipe clamp is installed on the outer ring of the working steel pipe, screw holes are formed in the two ends of the pipe clamp, a limiting sheet is fixed on the inner side of the pipe clamp and connected with the two ends of a monitoring cavity, a sealing cover is fixedly installed above the monitoring cavity through screws, the bottom side of the monitoring cavity is connected with an electric wire, capillary probes are connected to the two sides of the monitoring cavity, breathing holes are uniformly distributed in the surface of the capillary probes, a humidity sensor and a signal transmitter are installed inside the sealing cover, the signal transmitter is wirelessly connected with a signal receiver, a relay is installed on the right side of the signal receiver, and an acousto, the signal receiver, the sound-light alarm and the relay are all arranged above the mounting bracket, and the bottom of the mounting bracket is connected with an explosion-proof flexible connecting pipe.

Preferably, the capillary probe needles are stainless steel rings with hollow interiors, the number of the capillary probe needles is three, the capillary probe needles are arranged on two sides of the monitoring cavity in an equal sequence and are communicated with the interiors of the monitoring cavities; the annular structure of the capillary probe can efficiently and accurately collect the humidity condition on the cross section of the polyurethane protective layer through the breathing holes uniformly distributed on the surface.

Preferably, the monitoring cavity is a rectangular stainless steel cavity; this structure can make humidity transducer, the signal transmitter of monitoring intracavity portion avoid the partial liquid that probably reveals in the insulation material and the work steel pipe of direct contact polyurethane protective layer, make it be difficult to suffer the pollution, have promoted the working life of device.

Preferably, the humidity sensor is electrically connected with the signal emitter; the detection signal of the humidity sensor is sent to the signal receiver through the signal transmitter, a signal line is not needed to penetrate through the high-density polyethylene protective layer and the polyurethane protective layer to be connected, the tightness of the polyurethane protective layer is guaranteed, and the influence of water vapor in the external environment on the accuracy of the measurement result is avoided.

Preferably, the signal receiver, the sound and light alarm and the relay are electrically connected; the signal receiver transmits the received signal to the relay, and the relay controls the acousto-optic alarm to work so as to send out acousto-optic alarm.

Preferably, the number of the screws is four; through using the screw to be connected sealed lid and monitoring chamber, the personnel of being convenient for clear up the inside in monitoring chamber, update the humidity transducer and the signal transmitter of damage simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that: this device is convenient for install, have the function of automatic monitoring and warning, the seal is good, can avoid the influence of external environment steam to the measuring result accuracy, make humidity transducer simultaneously, signal transmitter avoids the liquid that probably reveals in the insulation material and the work steel pipe of direct contact polyurethane protective layer, make it be difficult to suffer the pollution, the working life of device has been promoted, will seal the lid and be connected with the monitoring chamber through using the screw, the personnel of being convenient for clear up the inside in monitoring chamber, humidity transducer and the signal transmitter to the damage update simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a partial structural view of a capillary probe according to the present invention;

fig. 4 is a schematic structural view of the alarm device of the present invention;

in the figure: 1. a high density polyethylene protective layer; 2. a polyurethane heat-insulating layer; 3. working steel pipes; 4. a sealing cover; 5. a limiting sheet; 6. a pipe clamp; 7. a screw hole; 8. a capillary probe; 9. an explosion-proof flexible connecting pipe; 10. an electric wire; 11. a humidity sensor; 12. a signal transmitter; 13. a breathing hole; 14. a signal receiver; 15. an audible and visual alarm; 16. mounting a bracket; 17. a relay; 18. a screw; 19. the cavity is monitored.

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 creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: a heat preservation pipeline with an alarm device comprises a high-density polyethylene protective layer 1, wherein a polyurethane protective layer 2 is installed on the inner side of the high-density polyethylene protective layer 1, a working steel pipe 3 is installed on the inner side of the polyurethane protective layer 2, a pipe clamp 6 is installed on the outer ring of the working steel pipe 3, screw holes 7 are formed in the two ends of the pipe clamp 6, a limiting sheet 5 is fixed on the inner side of the pipe clamp 6, the limiting sheet 5 is connected with the two ends of a monitoring cavity 19, a sealing cover 4 is fixedly installed above the monitoring cavity 19 through screws 18, an electric wire 10 is connected to the bottom side of the monitoring cavity 19, capillary probes 8 are connected to the two sides of the monitoring cavity 19, breathing holes 13 are uniformly distributed in the surface of each capillary probe 8, a humidity sensor 11 and a signal transmitter 12 are installed inside the sealing cover 4, and the signal transmitter 12 is wirelessly connected with, the right side of the signal receiver 14 is provided with a relay 17, the right side of the relay 17 is provided with an acousto-optic alarm 15, the signal receiver 14, the acousto-optic alarm 15 and the relay 17 are all arranged above a mounting bracket 16, and the bottom of the mounting bracket 16 is connected with an explosion-proof flexible connecting pipe 9.

In this embodiment: the model of the humidity sensor is HC2-IM 102;

specifically, the capillary probe needles 8 are stainless steel rings with hollow interiors, three capillary probe needles 8 are arranged on two sides of the monitoring cavity 19 in an equal sequence and communicated with the interiors of the monitoring cavity 19; the annular structure of the capillary probe 8 can efficiently and accurately collect the humidity condition on the cross section of the polyurethane protective layer 2 through the breathing holes 13 uniformly distributed on the surface.

Specifically, the monitoring cavity 19 is a rectangular stainless steel cavity; this structure can make humidity transducer 11, the signal transmitter 12 inside the monitoring chamber 19 avoid the partial liquid that probably reveals in direct contact polyurethane protective layer 2's the insulation material and the work steel pipe 3, make it be difficult to suffer the pollution, has promoted the working life of device.

Specifically, the humidity sensor 11 is electrically connected with the signal emitter 12; the detection signal of the humidity sensor 11 is sent to the signal receiver 14 through the signal transmitter 12, and a signal line is not needed to penetrate through the high-density polyethylene protective layer 1 and the polyurethane protective layer 2 to be connected, so that the tightness of the polyurethane protective layer 2 is guaranteed, and the influence of external environment water vapor on the accuracy of the measurement result is avoided.

Specifically, the signal receiver 14, the audible and visual alarm 15 and the relay 17 are electrically connected; the signal receiver 14 transmits the received signal to the relay 17, and the relay 17 controls the acousto-optic alarm 15 to work, so as to send out an acousto-optic alarm.

Specifically, the number of the screws 18 is four; by connecting the sealing cover 4 with the monitoring cavity 19 by using the screw 18, the personnel can clean the inside of the monitoring cavity 19 conveniently, and meanwhile, the damaged humidity sensor 11 and the signal emitter 12 can be updated.

The working principle and the using process of the invention are as follows: the device is slid to a position to be detected from two ends of a working steel pipe 3 in advance, then the position of a monitoring cavity 19 is positioned above the working steel pipe 3, the device is fixed through a pipe clamp 6, and the installation is finished at the moment; when the working steel pipe 3 leaks, the monitoring cavity 19 collects leaked gas and liquid through breathing holes 13 uniformly distributed on the surface of the capillary probe 8, a detection signal of the humidity sensor 11 is sent to the signal receiver 14 through the signal emitter 12, the signal of the signal receiver 14 is transmitted to the relay 17, the relay 17 controls the acousto-optic alarm 15, and the acousto-optic alarm 15 starts to give an alarm to remind personnel of checking, arranging and repairing; when the humidity sensor 11 or the signal transmitter 12 is out of order, the operator may open the external high-density polyethylene protective layer 1 and the polyurethane protective layer 2, and then remove the sealing cover 4 fixed by the screw 18 to replace the humidity sensor 11 and the signal transmitter 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thermal insulation pipeline with alarm device which characterized in that: comprises a high-density polyethylene protective layer (1), a polyurethane protective layer (2) is installed on the inner side of the high-density polyethylene protective layer (1), a working steel pipe (3) is installed on the inner side of the polyurethane protective layer (2), a pipe clamp (6) is installed on the outer ring of the working steel pipe (3), screw holes (7) are formed in the two ends of the pipe clamp (6), a limiting sheet (5) is fixed on the inner side of the pipe clamp (6), the limiting sheet (5) is connected with the two ends of a monitoring cavity (19), a sealing cover (4) is fixedly installed above the monitoring cavity (19) through screws (18), an electric wire (10) is connected to the bottom side of the monitoring cavity (19), capillary detection needles (8) are connected to the two sides of the monitoring cavity (19), breathing holes (13) are uniformly distributed on the surface of the capillary detection needles (8), and a humidity sensor (11) and a signal transmitter (12) are installed inside the sealing, the anti-explosion flexible connection device is characterized in that the signal transmitter (12) is wirelessly connected with the signal receiver (14), the relay (17) is installed on the right side of the signal receiver (14), the acousto-optic alarm (15) is installed on the right side of the relay (17), the signal receiver (14), the acousto-optic alarm (15) and the relay (17) are all installed above the installation support (16), and the bottom of the installation support (16) is connected with the anti-explosion flexible connection pipe (9).

2. The insulated pipe with the alarm device according to claim 1, wherein: the capillary probe needles (8) are hollow stainless steel rings, the number of the capillary probe needles (8) is three, the capillary probe needles are arranged on two sides of the monitoring cavity (19) in an equal sequence, and the capillary probe needles are communicated with the inside of the monitoring cavity (19).

3. The insulated pipe with the alarm device according to claim 1, wherein: the monitoring cavity (19) is a rectangular stainless steel cavity.

4. The insulated pipe with the alarm device according to claim 1, wherein: the humidity sensor (11) is electrically connected with the signal emitter (12).

5. The insulated pipe with the alarm device according to claim 1, wherein: the signal receiver (14), the sound-light alarm (15) and the relay (17) are electrically connected.

6. The insulated pipe with the alarm device according to claim 1, wherein: the number of the screws (18) is four.