CN215909444U - Hot water heat tracing system for measuring pipeline of differential pressure transmitter instrument - Google Patents
Hot water heat tracing system for measuring pipeline of differential pressure transmitter instrument Download PDFInfo
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- CN215909444U CN215909444U CN202121319409.1U CN202121319409U CN215909444U CN 215909444 U CN215909444 U CN 215909444U CN 202121319409 U CN202121319409 U CN 202121319409U CN 215909444 U CN215909444 U CN 215909444U
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- differential pressure
- pressure transmitter
- buffer tank
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Abstract
A hot water heat tracing system of a measuring pipeline of a differential pressure transmitter instrument comprises a buffer tank, a temperature control heating device, a differential pressure transmitter, a medium circulation pipeline and a circulation pipeline; the temperature control heating device is inserted into the buffer tank, an inlet and an outlet are arranged on the buffer tank, and a circulating pipeline is connected between the inlet and the outlet; the differential pressure transmitter is arranged on the medium circulation pipeline, and the circulating pipeline can heat the measuring medium of the differential pressure transmitter. After the circulating water is heated by the temperature control heating device, the water is circulated by a booster pump, a hot water circulating system consisting of a pump inlet and outlet pipeline and a buffer tank, so that the purpose of heating the instrument measuring pipeline is achieved.
Description
Technical Field
The utility model belongs to the technical field of instrument heat tracing, and particularly relates to a hot water heat tracing system for a measuring pipeline of a differential pressure transmitter instrument.
Background
In the technical field of instrument heat tracing at present, electric heat tracing is adopted at present. Although the electric tracing is convenient to install and very easy to realize the tracing of complex pipelines, the defect of the electric tracing is also obvious, the controllable temperature range of the electric tracing is different along with the electric tracing band, the controlled temperature range is determined by the material of the electric tracing band, and the electric tracing band can not be used beyond the limit; in addition, when the electric tracing band is installed on the current instrument measuring pipeline with higher temperature, the situation that the electric tracing band is burnt by high temperature in the instrument measuring pipeline inevitably occurs, especially when the instrument measuring pipeline discharges sewage regularly, the problem is easy to occur, after the electric tracing band is burnt, an internal lead is short-circuited, so that the whole electric tracing band loses the heating effect, because the instrument measuring pipeline needs to be provided with a 30mm heat insulation layer after the electric tracing band is installed, when the electric tracing band is burnt and short circuit occurs, the problem can not be found in time, the instrument measuring pipeline is frozen, so that the measurement is inaccurate, for some key parameters participating in control, if the measurement is inaccurate, the whole system can be seriously influenced, especially for a coke oven riser waste heat recovery system, the measurement of the key parameters can be inaccurate, serious safety accident
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hot water heat tracing system of a measuring pipeline of a differential pressure transmitter instrument, so as to solve the problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hot water heat tracing system of a measuring pipeline of a differential pressure transmitter instrument comprises a buffer tank, a temperature control heating device, a differential pressure transmitter, a medium circulation pipeline and a circulation pipeline; the temperature control heating device is inserted into the buffer tank, an inlet and an outlet are arranged on the buffer tank, and a circulating pipeline is connected between the inlet and the outlet; the differential pressure transmitter is arranged on the medium circulation pipeline, and the circulating pipeline can heat the measuring medium of the differential pressure transmitter.
Further, the circulation line comprises a pump inlet line and a pump outlet line; one end of the pump inlet pipeline is connected with an inlet of the buffer tank, one end of the pump outlet pipeline is connected with an outlet of the buffer tank, and the other end of the pump inlet pipeline is connected with the other end of the pump outlet pipeline.
Furthermore, the inlet of the buffer tank is positioned at the bottom of the buffer tank, and the outlet of the buffer tank is positioned at the top of the buffer tank.
Furthermore, a booster pump is arranged on the pump inlet pipeline.
Further, the differential pressure transmitter is connected to the medium circulation pipe through an instrument measurement pipe, which is disposed along the circulation pipe and is in contact with the circulation pipe.
Furthermore, the one end of two instrument measuring pipelines all communicates through getting pressure nozzle stub and medium circulation pipeline, and the other end all is connected to differential pressure transmitter.
Furthermore, the pressure tapping short pipes are provided with instrument primary valves.
Furthermore, a pipeline drain valve is arranged at the lowest point of the circulating pipeline.
Furthermore, buffer tank and differential pressure transmitter all set up in instrument insulation can.
Compared with the prior art, the utility model has the following technical effects:
the system adopts the buffer tank to store water, the top of the buffer tank is provided with a water filling port, circulating water is filled through the water filling port, the circulating water is heated through the temperature control heating device, the temperature control heating device can set a control temperature, and after the circulating water is heated through the temperature control heating device, the circulating water is circulated through the booster pump, a hot water circulating system consisting of a pump inlet and outlet pipeline and the buffer tank, so that the purpose of heating an instrument measuring pipeline is achieved; in addition, the lowest part of the pump outlet pipeline is provided with a discharge valve, and water in the circulating pipeline is replaced periodically, so that the effect of protecting the pump is achieved, and the service life of the pump is prolonged.
Drawings
FIG. 1 is a schematic diagram of the principles of the present invention;
wherein, 1 buffer tank 2 water filling port 3 temperature control heating device 4 booster pump 5 pump inlet pipeline 6 pump outlet pipeline 7 instrument measuring pipeline 8 pipeline drain valve 9 instrument primary valve 10 pressure tapping short pipe 11 differential pressure transmitter 12 medium circulation pipeline
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
hot water heat tracing system for measuring pipeline of differential pressure transmitter instrument
The device comprises a buffer tank 1 arranged in an instrument heat preservation box; a water injection port 2; a temperature-controlled heating device 3; a booster pump 4; a booster pump inlet line 5; a booster pump outlet line 6; an instrumentation tube 7; a pipeline drain valve 8; a meter primary valve 9; a pressure tapping short pipe 10; a differential pressure transmitter 11; a medium circulation duct 12;
the buffer tank 1 is arranged in the heat insulation box and used for storing circulating hot water.
The water filling port 2 is arranged at the top of the buffer tank 1 and is used for filling circulating water;
the temperature control heating device 3 is inserted into the buffer tank 1, fixed at the top and used for heating circulating water in the tank and controlling the temperature to be at a set temperature;
the booster pump 4 is arranged in the insulation can, the inlet of the booster pump 4 is connected with the inlet pipeline 5 of the booster pump, and the outlet of the booster pump 4 is connected with the outlet pipeline 6 of the booster pump to provide power for hot water circulation;
the booster pump inlet pipeline 5 is used for connecting the booster pump 4 and the water outlet of the buffer tank 1 and circulating water;
the booster pump outlet pipeline 6 is used for connecting the booster pump 4 and the water inlet of the buffer tank 1 and circulating water;
the measuring pipeline 7 is used for measuring the pressure difference of the medium passing through the inlet and the outlet of the throttling device;
the upper pipeline drain valve 8 is used for replacing circulating hot water in the pipeline;
the instrument primary valve 9 is used for blocking the medium flow between the throttling device and the measuring instrument, which is necessary for instrument installation and instrument maintenance;
the pressure tapping short pipe 10 is used for connecting the throttling device with the primary meter valve 9;
the differential pressure transmitter 11 is used for receiving the pressure transmitted by the high-pressure side and the low-pressure side of the instrument measuring pipeline 7;
the medium circulation pipeline 12 is provided with a throttling device, and the differential pressure value of two sides is measured through throttling;
after the circulating water is heated by the temperature control heating device, the circulating water is circulated by a booster pump, a hot water circulating system consisting of a pump inlet and outlet pipeline and a buffer tank, so that the purpose of heating an instrument measuring pipeline is achieved; in addition, the lowest part of the pump outlet pipeline is provided with a discharge valve, and water in the circulating pipeline is replaced periodically, so that the effect of protecting the pump is achieved, and the service life of the pump is prolonged.
The utility model provides a hot water heat tracing system of a measuring pipeline of a differential pressure transmitter instrument, which has the principle as shown in figure 1:
the buffer tank 1 is used as a device for storing circulating water, the top of the buffer tank is provided with a water filling port 2 for filling the circulating water, a temperature control heating device 3 is also inserted into the buffer tank 1 to heat and control the circulating water at constant temperature, the circulating water provides pressure through a booster pump and circulates the circulating water in a pump inlet pipeline 5 and a pump outlet pipeline 6, and an instrument measuring pipeline 7 is heated in the hot water circulation process, so that the instrument measuring pipeline 7 is prevented from being frozen, inaccurate measurement is prevented, and the system safety is influenced;
the lowest part of the pump outlet pipeline 6 is provided with a pipeline drain valve 8 which is arranged at the lowest part so as to completely discharge circulating water to be replaced and ensure the water quality;
the top of the buffer tank 1 is provided with a water filling port, and the upper half part of the tank wall is provided with a water inlet which is connected with an outlet pipeline 6 of the pump;
a water outlet is arranged at the lower half part of the tank wall and is connected with a pump inlet pipeline 5; circulating water in the buffer tank is not too little;
the installation mode of the temperature control heating device 3 is insertion type installation, the insertion depth in the buffer tank 1 is flexibly determined according to the actual situation, and after the insertion depth is determined, the temperature control heating device 3 and the buffer tank 1 are fixed to prevent loosening.
Claims (9)
1. A hot water heat tracing system of a differential pressure transmitter instrument measuring pipeline is characterized by comprising a buffer tank (1), a temperature control heating device (3), a differential pressure transmitter (11), a medium circulation pipeline (12) and a circulation pipeline; the temperature control heating device (3) is inserted into the buffer tank (1), an inlet and an outlet are arranged on the buffer tank (1), and a circulating pipeline is connected between the inlet and the outlet; the differential pressure transmitter (11) is arranged on a medium flow pipeline (12), and the circulating pipeline can heat a measuring medium of the differential pressure transmitter (11).
2. A differential pressure transmitter gauge measurement pipe hot water tracing system according to claim 1, characterized in that the circulation line comprises a pump inlet line (5) and a pump outlet line (6); one end of the pump inlet pipeline (5) is connected with an inlet of the buffer tank (1), one end of the pump outlet pipeline (6) is connected with an outlet of the buffer tank (1), and the other end of the pump inlet pipeline (5) is connected with the other end of the pump outlet pipeline (6).
3. A differential pressure transmitter instrument measurement pipe hot water heat tracing system according to claim 1, characterized in that the inlet of the buffer tank (1) is located at the bottom of the buffer tank (1) and the outlet of the buffer tank (1) is located at the top of the buffer tank (1).
4. A differential pressure transmitter instrument measurement pipe hot water tracing system as claimed in claim 2, characterized in that a booster pump (4) is provided on the pump inlet line (5).
5. A differential pressure transmitter instrumentation hot water tracing system according to claim 1, characterized in that the differential pressure transmitter (11) is connected to the medium flow conduit (12) through an instrumentation conduit (7), the instrumentation conduit (7) being arranged along and in contact with the circulation conduit.
6. A differential pressure transmitter instrument measuring pipe hot water heat tracing system according to claim 5, characterized in that one end of each of the two instrument measuring pipes (7) is communicated with the medium circulation pipe (12) through the pressure taking short pipe (10), and the other end is connected to the differential pressure transmitter (11).
7. The differential pressure transmitter instrument measuring pipeline hot water heat tracing system according to claim 6, characterized in that the pressure tapping short pipes (10) are provided with instrument primary valves (9).
8. A differential pressure transmitter gauge measurement pipe hot water tracing system according to claim 1, characterized in that the lowest point of the circulation pipe is provided with a pipe drain valve (8).
9. The differential pressure transmitter instrument measurement pipeline hot water heat tracing system according to claim 1, characterized in that the buffer tank (1) and the differential pressure transmitter (11) are both disposed in the instrument incubator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319409.1U CN215909444U (en) | 2021-06-11 | 2021-06-11 | Hot water heat tracing system for measuring pipeline of differential pressure transmitter instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121319409.1U CN215909444U (en) | 2021-06-11 | 2021-06-11 | Hot water heat tracing system for measuring pipeline of differential pressure transmitter instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215909444U true CN215909444U (en) | 2022-02-25 |
Family
ID=80287848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121319409.1U Active CN215909444U (en) | 2021-06-11 | 2021-06-11 | Hot water heat tracing system for measuring pipeline of differential pressure transmitter instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215909444U (en) |
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2021
- 2021-06-11 CN CN202121319409.1U patent/CN215909444U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 604, 6 / F, block B, Zhonggang international, one side of Wenjing Road, Xi'an Economic and Technological Development Zone, Shaanxi Province, 710016 Patentee after: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. Address before: Room 604, 6 / F, block B, Zhonggang international, one side of Wenjing Road, Xi'an Economic and Technological Development Zone, Shaanxi Province, 710016 Patentee before: Shaanxi Yuteng Energy Environmental Protection Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 710018 room 604, floor 6, Zhonggang International Building B, Wenjing Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. Address before: Room 604, 6 / F, block B, Zhonggang international, one side of Wenjing Road, Xi'an Economic and Technological Development Zone, Shaanxi Province, 710016 Patentee before: Shaanxi Yuteng energy and Environmental Protection Technology Co.,Ltd. |