CN211425750U

CN211425750U - Low temperature resistant teletransmission table for pipeline

Info

Publication number: CN211425750U
Application number: CN202020326354.6U
Authority: CN
Inventors: 王敦玉; 王浩; 张爱军
Original assignee: Maanshan Haoyu Instr Co ltd
Current assignee: Maanshan Haoyu Instr Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-09-04
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a low temperature resistant remote transmitting meter for pipelines, which comprises a remote transmitting meter main body of a pressure detection assembly, wherein a liquid inlet pipe is arranged on the remote transmitting meter main body; the improved heat insulation device is characterized in that a heating mechanism is arranged outside the pipe wall of the liquid inlet pipe, the heating mechanism comprises a heat insulation sleeve sleeved outside the liquid inlet pipe, a heating sleeve is arranged in an inner cavity of the heat insulation sleeve and coaxially arranged with the heat insulation sleeve, a first heat insulation rock wool layer is arranged between the heating sleeve and the heat insulation sleeve, a heating resistance wire is embedded in the heating sleeve, a heat conduction rubber sleeve is arranged in the heating sleeve, and a through hole for the liquid inlet pipe to pass through is formed in the heat conduction rubber sleeve. The utility model discloses set up heating mechanism outside the pipe wall of feed liquor pipe in current teletransmission table main part, utilize heating mechanism to heat the feed liquor pipe, avoid entering into teletransmission table main part liquid temperature and cross lowly, and reduce teletransmission table main part internal pressure measuring subassembly in elastic element's elasticity, and make the testing result inaccurate, great error appears.

Description

Low temperature resistant teletransmission table for pipeline

Technical Field

The utility model relates to an instrument technical field specifically is a low temperature resistant teletransmission table for pipeline.

Background

The remote meter can be used for measuring the pressure of liquid, steam, gas and other media which do not corrode steel and copper alloy. Because a slide wire resistance transmitter is arranged in the resistance remote transmission meter, the measured value can be transmitted to a secondary meter far away from the measurement as electric quantity, so as to realize centralized detection and remote control. A flexible element is present in the remote meter. When the liquid in the tube body is too low in temperature in cold weather, the elasticity of the elastic element in the remote meter is reduced due to the low temperature, and inaccurate metering is caused. Therefore, a low-temperature-resistant remote meter for pipelines is provided.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a low temperature resistant teletransmission table for pipeline.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a low temperature resistant remote transmitting meter for pipelines, which comprises a remote transmitting meter main body of a pressure detection assembly, wherein a liquid inlet pipe is arranged on the remote transmitting meter main body; the pipe wall of the liquid inlet pipe is externally provided with a heating mechanism, the heating mechanism comprises a heat insulation sleeve sleeved outside the liquid inlet pipe, a heating sleeve coaxially arranged with the heat insulation sleeve is arranged in an inner cavity of the heat insulation sleeve, a first heat insulation rock wool layer is arranged between the heating sleeve and the heat insulation sleeve, a heating resistance wire is embedded in the heating sleeve, a heat conduction rubber sleeve is arranged in the heating sleeve, and a through hole for the liquid inlet pipe to pass through is formed in the heat conduction rubber sleeve; the top of feed liquor pipe is equipped with limit stop, the bottom of feed liquor pipe is equipped with the helicitic texture that extends to thermal-insulated sleeve bottom, the bottom threaded connection of feed liquor pipe has the tray that offsets with the thermal-insulated sleeve bottom surface.

As a preferred technical scheme of the utility model, thermal-insulated telescopic top is equipped with the top cap, be equipped with the water injection chamber in the heat conduction rubber sleeve, the heat conduction rubber sleeve is equipped with the water injection pipe that just has the ooff valve with water injection chamber intercommunication, be equipped with the punchhole that supplies the water injection pipe to pass on the top cap.

As an optimized technical scheme of the utility model the top of top cap is equipped with the thermal-insulated rock wool layer of second.

As an optimal technical scheme of the utility model, the embedded temperature detect switch that is equipped with of heat insulating sleeve, temperature detect switch is connected with the heating resistor silk electricity.

As an optimal technical scheme of the utility model, first rubber packing ring between thermal-insulated sleeve and the limit stop.

As an optimized technical scheme of the utility model, second rubber packing ring between thermal-insulated sleeve and the tray.

The utility model has the advantages that: 1. this kind of low temperature resistant teletransmission table for pipeline mainly is that the pipe wall through the feed liquor pipe in current teletransmission table main part sets up heating mechanism outward, utilizes heating mechanism to heat the feed liquor pipe, avoids entering into teletransmission table main part liquid temperature and crosses lowly, and reduces teletransmission table main part internal pressure measuring subassembly in the elastic component's elasticity, and make the testing result inaccurate, great error appears. When liquid to in the inlet liquid pipeline heats, mainly heat through the heating resistor in the heating sleeve, and under the effect on thermal-insulated sleeve and first thermal-insulated rock wool layer, insulate against heat and keep warm, effectively reduce the outside loss volume that gives off of heat, thereby energy-conserving effect has been reached, give the feed liquor pipe heat transfer through soft heat conduction rubber sleeve after the heating sleeve heats, the liquid of giving the feed liquor pipe heats, effectively avoid entering into teletransmission table main part liquid temperature and cross lowly, and reduce the elasticity of the elastic element in the teletransmission table main part pressure determine module, and make the testing result inaccurate, great error appears. And the utility model has the characteristics of be convenient for installation and dismantlement.

2. This kind of low temperature resistant teletransmission table for pipeline, thermal-insulated telescopic top is equipped with the top cap, be equipped with the water injection chamber in the heat conduction rubber sleeve, the heat conduction rubber sleeve is equipped with the water injection pipe that just has the ooff valve with water injection chamber intercommunication, be equipped with the through-hole that supplies the water injection pipe to pass on the top cap, the accessible is to the injection water intracavity for the heat conduction rubber sleeve expands, and then contracts the through-hole, makes the telescopic outer wall of heat conduction rubber closely laminate with the pipe wall of feed liquor pipe, can fix a position the feed liquor pipe of different dimensions in addition.

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 structural view of a low temperature resistant telemetering meter for pipelines of the present invention;

fig. 2 is a schematic structural view of a heating mechanism of a low temperature resistant telemetering meter for pipelines of the present invention;

fig. 3 is a schematic structural view of a heat-conducting rubber sleeve of the low temperature resistant telemetering meter for pipelines of the utility model.

In the figure: 1. a telemetering meter main body; 2. a liquid inlet pipe; 3. a heating mechanism; 4. a heat insulating sleeve; 5. heating the sleeve; 6. a first heat-insulating rock wool layer; 8. a heat conductive rubber sleeve; 9. a through hole; 10. a limit stop block; 11. a thread structure; 12. a support block; 13. a top cover; 14. a water injection cavity; 15. a water injection pipe; 16. a second heat-insulating rock wool layer; 17. a first rubber gasket; 18. a second rubber gasket.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, 2 and 3, the utility model relates to a low temperature resistant remote transmitting meter for pipelines, which comprises a remote transmitting meter main body 1 of a pressure detection component, wherein a liquid inlet pipe 2 is arranged on the remote transmitting meter main body 1; a heating mechanism 3 is arranged outside the pipe wall of the liquid inlet pipe 2, the heating mechanism 3 comprises a heat insulation sleeve 4 sleeved outside the liquid inlet pipe 2, a heating sleeve 5 coaxially arranged with the heat insulation sleeve 4 is arranged in an inner cavity of the heat insulation sleeve 4, a first heat insulation rock wool layer 6 is arranged between the heating sleeve 5 and the heat insulation sleeve 4, a heating resistance wire is embedded in the heating sleeve 5, a soft heat conduction rubber sleeve 8 is arranged in the heating sleeve 5, and a through hole 9 for the liquid inlet pipe 2 to pass through is formed in the heat conduction rubber sleeve 8; the top of feed liquor pipe 2 is equipped with limit stop 10, the bottom of feed liquor pipe 2 is equipped with the helicitic texture 11 that extends to thermal-insulated sleeve 4 bottom, the bottom threaded connection of feed liquor pipe 2 has the tray 12 inconsistent with thermal-insulated sleeve 4 bottom surface. The utility model discloses mainly be through setting up heating mechanism 3 outside the pipe wall of feed liquor pipe 2 in present teletransmission table main part 1, utilize heating mechanism 3 to come to heat feed liquor pipe 2, avoid entering into teletransmission table main part 1 liquid temperature and hang down excessively, and reduce teletransmission table 1 internal pressure detection subassembly in elastic element's elasticity, and make the testing result inaccurate, great error appears. When heating the liquid in 2 pipelines of feed liquor pipe, mainly heat through the heating resistor in the heating sleeve 5, and under the effect on thermal-insulated sleeve 4 and first thermal-insulated rock wool layer 6, insulate against heat and keep warm, effectively reduce the outside loss volume that gives off of heat, thereby energy-conserving effect has been reached, give feed liquor pipe 2 through soft heat conduction rubber sleeve 8 after heating sleeve 5 heats, the liquid of giving liquid inlet pipe 2 heats, effectively avoid entering into teletransmission table main part 1 liquid temperature and hang down, and reduce the elasticity of the elastic element in the 1 internal pressure detecting component of teletransmission table main part, and make the testing result inaccurate, great error appears. And the utility model has the characteristics of be convenient for installation and dismantlement.

Wherein, the top of thermal-insulated sleeve 4 is equipped with top cap 13, be equipped with water injection chamber 14 in the heat conduction rubber sleeve 8, heat conduction rubber sleeve 8 is equipped with the water injection pipe 15 that just has the ooff valve with 14 intercommunications in water injection chamber, be equipped with the punchhole that supplies water injection pipe 15 to pass on top cap 13, the accessible is to the water injection water of injecting into in the water injection chamber 14 for heat conduction rubber sleeve 8 expands, and then contracts through-hole 9, makes heat conduction rubber sleeve 8's outer wall closely laminate with the pipe wall of feed liquor pipe 2, can fix a position different size specification's feed liquor pipe 2 in addition.

Wherein, the top of top cap 13 is equipped with second heat-insulating rock wool layer 16, reduces heat loss.

The temperature control switch is embedded in the heat insulation sleeve 4 and electrically connected with the heating resistance wire, so that the heating temperature can be conveniently controlled and the constant temperature heating can be carried out, wherein the heating temperature is 30-40 ℃.

And a first rubber gasket 17 between the heat insulation sleeve 4 and the limit stop 10 plays a role of wear prevention.

And a second rubber gasket 18 between the heat insulation sleeve 4 and the support block 12 plays a role of abrasion resistance.

The utility model discloses mainly be through setting up heating mechanism 3 outside the pipe wall of feed liquor pipe 2 in present teletransmission table main part 1, utilize heating mechanism 3 to come to heat feed liquor pipe 2, avoid entering into teletransmission table main part 1 liquid temperature and hang down excessively, and reduce teletransmission table 1 internal pressure detection subassembly in elastic element's elasticity, and make the testing result inaccurate, great error appears. When heating the liquid in 2 pipelines of feed liquor pipe, mainly heat through the heating resistor in the heating sleeve 5, and under the effect on thermal-insulated sleeve 4 and first thermal-insulated rock wool layer 6, insulate against heat and keep warm, effectively reduce the outside loss volume that gives off of heat, thereby energy-conserving effect has been reached, give feed liquor pipe 2 through soft heat conduction rubber sleeve 8 after heating sleeve 5 heats, the liquid of giving liquid inlet pipe 2 heats, effectively avoid entering into teletransmission table main part 1 liquid temperature and hang down, and reduce the elasticity of the elastic element in the 1 internal pressure detecting component of teletransmission table main part, and make the testing result inaccurate, great error appears. And the utility model has the characteristics of be convenient for installation and dismantlement.

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. A low-temperature-resistant remote-transmitting meter for a pipeline comprises a remote-transmitting meter main body (1) of a pressure detection assembly, wherein a liquid inlet pipe (2) is arranged on the remote-transmitting meter main body (1); the method is characterized in that: the heating device is characterized in that a heating mechanism (3) is arranged outside the pipe wall of the liquid inlet pipe (2), the heating mechanism (3) comprises a heat insulation sleeve (4) sleeved outside the liquid inlet pipe (2), a heating sleeve (5) which is coaxial with the heat insulation sleeve (4) is arranged in an inner cavity of the heat insulation sleeve (4), a first heat insulation rock wool layer (6) is arranged between the heating sleeve (5) and the heat insulation sleeve (4), a heating resistance wire is embedded in the heating sleeve (5), a soft heat conduction rubber sleeve (8) is arranged in the heating sleeve (5), and a through hole (9) for the liquid inlet pipe (2) to pass through is formed in the heat conduction rubber sleeve (8); the top of feed liquor pipe (2) is equipped with limit stop (10), the bottom of feed liquor pipe (2) is equipped with the helicitic texture (11) that extend to thermal-insulated sleeve (4) bottom, the bottom threaded connection of feed liquor pipe (2) has with the inconsistent tray (12) in thermal-insulated sleeve (4) bottom surface.

2. The telemetering meter for pipelines resistant to low temperatures according to claim 1, wherein a top cover (13) is provided on the top of the heat insulating sleeve (4), a water injection cavity (14) is provided in the heat conductive rubber sleeve (8), the heat conductive rubber sleeve (8) is provided with a water injection pipe (15) which is communicated with the water injection cavity (14) and is provided with a switch valve, and the top cover (13) is provided with a hole for the water injection pipe (15) to pass through.

3. The telemetric table for low temperature-resistant pipelines according to claim 2, characterized in that the top of the top cover (13) is provided with a second insulating rock wool layer (16).

4. The telemetering meter for low temperature resistant pipelines according to claim 1, wherein a temperature control switch is embedded in the heat insulation sleeve (4), and the temperature control switch is electrically connected with the heating resistance wire.

5. The telemetric table for pipes resistant to low temperatures according to claim 1, characterized in that a first rubber gasket (17) is provided between the insulating sleeve (4) and the limit stop (10).

6. The telemetric table for pipelines resistant to low temperatures according to claim 1, characterized by a second rubber gasket (18) between the insulating sleeve (4) and the support block (12).