CN110836332A - Circulating water integrated temperature-change sleeve under-pressure leakage blocking structure and leakage blocking method thereof - Google Patents
Circulating water integrated temperature-change sleeve under-pressure leakage blocking structure and leakage blocking method thereof Download PDFInfo
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- CN110836332A CN110836332A CN201911313049.1A CN201911313049A CN110836332A CN 110836332 A CN110836332 A CN 110836332A CN 201911313049 A CN201911313049 A CN 201911313049A CN 110836332 A CN110836332 A CN 110836332A
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- temperature
- joint
- ball valve
- sleeve
- circulating water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to the technical field of fault maintenance and detection of chemical production pipelines, and particularly relates to a circulating water integrated temperature change sleeve under-pressure leakage blocking structure which comprises an integrated temperature transmitter, a ball valve and a temperature sleeve; the armored thermal resistor of the integrated temperature transmitter penetrates through the ball valve and is inserted into the temperature sleeve, the end of the temperature sleeve is connected with one end of the ball valve through a lower adapter, and the other end of the ball valve is connected with the integrated temperature transmitter through a welding joint. The invention utilizes the existing structure, adds the ball valve, the upper joint, the lower joint, the sleeve joint and the sealing rubber strip, solves two problems of water leakage and leakage stoppage and temperature measurement of the temperature sleeve, has simple transformation and ingenious and reliable method, and can ensure the normal long-period operation of a circulating water system.
Description
Technical Field
The invention belongs to the technical field of maintenance and detection of chemical production pipeline faults, and particularly relates to a circulating water integrated temperature change sleeve under-pressure leakage blocking structure.
Background
In chemical production, circulating water in a ground well needs to be strictly controlled in temperature. A commonly used measuring element is an integrated temperature transmitter, i.e. an integrated temperature variation. The integrated temperature transmitter is also called as an integral temperature transmitter, and is characterized in that temperature measuring elements such as a thermocouple or a thermal resistor and the like and a temperature conversion module are integrated into a whole, the size is small, and a 4-20mA current signal is directly output. Some integrated temperature transmitters also include a display gauge head, namely, the integration of temperature sensing, transmission and display. When the circulating water thermometer sleeve pipe that detects the temperature leaks, can lead to the measuring end direct contact that water and integration temperature become to send under pressure, also can intake even in the temperature conversion module gauge outfit, and then lead to the unable normal measurement of integration temperature transmitter, the intraductal water pressure of cover equals the pipe network pressure, is about 0.5MPa, can lead to water to follow the screw thread and leak the splash outward. The method has great potential safety hazard to the normal operation of a circulating water system, and the temperature cannot be measured. Directly change the temperature sleeve pipe, the risk is great, if the installation is not gone up, probably causes the whole device to park.
Disclosure of Invention
According to the defects in the prior art, the invention aims to provide the circulating water integrated temperature-variable sleeve under-pressure leakage blocking structure, which is improved on the basis of the existing structure, so that the normal long-period operation of a circulating water system is ensured.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the circulating water integrated temperature change sleeve under-pressure leakage blocking structure comprises an integrated temperature transmitter, a lower adapter, a welding joint, a ball valve and a temperature sleeve; the armored thermal resistor of the integrated temperature transmitter penetrates through the ball valve and is inserted into the temperature sleeve, the end of the temperature sleeve is connected with one end of the ball valve through a lower adapter, and the other end of the ball valve is connected with the integrated temperature transmitter through a welding joint.
Furthermore, the integrated temperature transmitter is inserted into a armored platinum resistance sensor with a thermal resistance of phi 6mm in a temperature sleeve.
Further, the lower conversion joint is an M20 x 1, 5 changes 1/2NPT short circuit conversion joint, the lower end of the lower conversion joint is connected with the internal thread of the temperature sleeve, the upper end of the lower conversion joint is connected with a ball valve, and the ball valve is a 1/2NPT ball valve.
Furthermore, the welding joint is formed by welding a phi 6mm terminal clamping sleeve joint and an upper conversion joint.
Furthermore, the phi 6mm terminal clamping joint is connected with a proper position at the lower end of the phi 6mm armored platinum resistance sensor, and the upper conversion joint is connected with the ball valve.
Furthermore, a sealing rubber strip is arranged at the joint of the welding joint and the integrated temperature transmitter. Joint strip sets up at last crossover sub connection ball valve department, and joint strip plugs up ball valve upper portion passageway, prevents when reducing hydraulic that the circulating water from spattering even drenches the gauge outfit, can not influence integration temperature transmitter's measurement and prevented that the circulating water from leaking the splash outward.
Preferably, the sealing rubber strip is a white cloth strip coated with a sealant.
Further, the welding of circulating water pipeline has the connecting pipe, and the tip of connecting pipe sets up down the flange, the welding has the upper flange on the temperature sleeve pipe, and temperature sleeve pipe and connecting pipe pass through the upper flange and are connected with lower flange, and the temperature sleeve pipe passes in the connecting pipe extends to circulating water pipeline.
Based on the technical scheme, the temperature sleeve with the flange is formed by welding the 316LL white steel bar integral drill hole and the standard flange, and the temperature sleeve is inserted into a connecting pipe and a lower flange which are welded on a circulating water pipeline and directly contacted with circulating water.
The circulating water integrated temperature change sleeve under-pressure leakage blocking method is characterized by comprising the following steps of:
the method comprises the following steps: preparing a ball valve, connecting a lower end head of the ball valve with a lower conversion joint, and matching the other end of the lower conversion joint with the internal thread of the temperature sleeve;
step two: preparing a platinum resistance sensor, welding a terminal clamping sleeve joint and an upper conversion joint to form a welding joint, connecting the terminal clamping sleeve joint to the end part of the platinum resistance sensor, and winding a sealing rubber strip at the upper conversion joint;
step three: the original platinum resistance sensor on the integrated temperature transmitter is disassembled, the ball valve with the lower adapter is opened and installed in the temperature sleeve (the ball valve cannot be installed in a centering way because the water pressure is not opened at 0.5 MPa), and the ball valve is closed after the installation;
step four: inserting a platinum resistance sensor with a sealing rubber strip into the upper end of a ball valve, opening the ball valve, inserting the platinum resistance sensor into a temperature measuring position in a temperature sleeve, enabling water to flow out of a terminal clamping sleeve joint, screwing a welding joint thread into an upper connector of the ball valve by using a wrench, pressing the sealing rubber strip tightly until the water does not flow out, coating a proper amount of sealant on the terminal clamping sleeve joint, and fastening the terminal clamping sleeve joint; sealing ball valve and terminal joint.
Step five: the terminal clamping and connecting joint is sealed by sealant, and a signal line is connected, so that normal temperature indication is ensured, and no water leakage exists.
Further, the platinum resistance sensor prepared in step two was 150mm longer than the original platinum resistance sensor.
The invention has the beneficial effects that: the ball valve, the upper joint, the lower joint, the clamping sleeve joint and the sealing rubber strip are added by utilizing the existing structure, the two problems of water leakage and leakage blocking and temperature measurement of the temperature sleeve are solved, the transformation is simple, the method is ingenious and reliable, and the normal long-period operation of a circulating water system can be ensured.
Drawings
FIG. 1 is a modified integrated temperature transmitter with pressure plugging;
in the figure: 1. integration temperature transmitter, 2, ball valve, 3, lower flange and circulating water pipeline connecting pipe, 4, armor platinum resistance sensor, 5, lower crossover sub, 6, welded joint, 6.1 terminal joint, crossover sub on 6.2, 7, joint strip, 8, flanged temperature sleeve pipe, 9, circulating water pipeline.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached figure 1, the circulating water integrated temperature change sleeve under-pressure leakage blocking structure comprises an integrated temperature transmitter 1, a ball valve 2, a welding joint 6, a lower conversion joint 5 and a sealing rubber strip 7; the thermal resistance sensor of the integrated temperature transmitter 1 penetrates through the ball valve 2 and is inserted into a temperature sleeve, the temperature sleeve is connected with one end of the ball valve 2 through a lower adapter 5, the other end of the ball valve 2 is connected with the integrated temperature transmitter 1 through a welding joint 6, and the joint of a terminal clamping sleeve joint 6.1 of the welding joint 6 and the integrated temperature transmitter 1 is sealed and fixed through a clamping sleeve; the sealing rubber strip 7 is tightly pressed to the upper channel of the ball valve by the threads of the welding joint 6, the water pressure is reduced, meanwhile, circulating water is prevented from leaking and even splashing to the gauge outfit, the measurement of the integrated temperature transmitter can not be influenced, and the circulating water is prevented from leaking and splashing.
Furthermore, the thermal resistance sensor of the integrated temperature transmitter 1 inserted into the temperature sleeve is a phi 6mm armored platinum resistance sensor 4; the integrated temperature transmitter 1 is connected with a temperature sleeve into a whole through a ball valve 2, a lower adapter 5 and a welding joint 6. The armored platinum resistance sensor 4 penetrates through the welding joint 6, the ball valve 2, the lower conversion joint 5 and the temperature sleeve and extends into the circulating water pipeline.
Further, the lower adapter is a M20 x 1, 5-to-1/2 NPT short-circuit adapter, the lower end of the lower adapter 5 is connected with the internal thread of the temperature sleeve, the upper end of the lower adapter is connected with the ball valve 2, and the ball valve is a 1/2NPT ball valve.
Further, the welding joint 6 is formed by welding the terminal clamping sleeve joint 6.1 and the upper conversion joint 6.2.
Further, the terminal clamping sleeve joint 6.1 is connected with a proper position of the integrated temperature transmitter, and the upper conversion joint 6.2 is connected with the ball valve 2.
Further, the sealing rubber strip 7 is arranged at the joint of the upper adapter 6.2 and the ball valve 2.
Preferably, the sealing rubber strip is a white cloth strip coated with a sealant.
Further, the welding of circulating water pipeline has the connecting pipe, and the tip of connecting pipe sets up down the flange, the welding has the upper flange on the temperature sleeve pipe, and temperature sleeve pipe and connecting pipe pass through the upper flange and are connected with lower flange, and the temperature sleeve pipe passes in the connecting pipe extends to circulating water pipeline.
Based on the technical scheme, the temperature sleeve with the flange is formed by welding the 316LL white steel bar integral drill hole and the standard flange, and the temperature sleeve is inserted into a connecting pipe and a lower flange which are welded on a circulating water pipeline and directly contacted with circulating water.
The plugging method comprises the following steps: the circulating water temperature is indicated inaccurately, through checking that the temperature sleeve leaks water seriously, the water pressure in the temperature sleeve is equal to the pressure of a pipe network, about 0.5MPa, the threads of M20X 1 and 5 are twisted, the water leakage is found to be large, a 1/2NPT ball valve is determined to be added, and a lower conversion joint 5 which is converted from M20X 1 and 5 to 1/2NPT is connected with the ball valve 2 and is matched with the internal threads of the temperature sleeve; because the thermal resistance sensor inserted into the sleeve of the integrated temperature transmitter is a phi 6mm armored platinum resistance sensor 4, a phi 6mm terminal clamping sleeve joint 6.1 and a 1/2NPT short-circuit up-conversion joint 6.2 are welded together to be used as a welding joint connected with the upper end of the ball valve 2, because a section of the phi 6mm terminal clamping sleeve joint is smaller than phi 6mm, the platinum resistance sensor which is 150mm longer than the original platinum resistance sensor is taken out from a warehouse by a drilling machine, the welded welding joint 6 is arranged at the lower end of the armored platinum resistance sensor 4, and a proper amount of white cloth strips with sealant are wound on the position to reduce water pressure; the method comprises the following steps of preparing, detaching an original temperature sensor, opening a ball valve 2, installing the ball valve 2 with a lower adapter 5 under pressure without opening the ball valve because the water pressure is 0.5MPa, closing the ball valve 2, inserting an armored platinum resistance sensor 4 with a white cloth strip into the upper end of the ball valve 2, opening the ball valve 2, slowly inserting the armored platinum resistance sensor 4 into a temperature sleeve, enabling a small amount of water to flow out of a terminal clamp joint 6.1 with the diameter of 6mm, screwing a welding joint thread into an upper interface of the ball valve by using a wrench, pressing a sealing adhesive tape until the water does not flow out, drawing a proper amount of sealant at the terminal clamp joint and fastening the terminal clamp joint; the sealing glue is used for sealing the clamping sleeve joint, a signal line is connected, the temperature indication is normal, no water leakage exists, and the normal long-period operation of a circulating water system is ensured.
The invention utilizes the existing materials, adds a valve, manufactures the cutting sleeve joint, and winds a proper amount of white cloth strips which are provided with sealant on the lower end head of the platinum resistance sensor, reduces or reduces the water pressure, and carries out online leak stoppage on the temperature sleeve, thereby successfully solving the two problems of leak stoppage and online temperature measurement.
The above list is only the preferred embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (10)
1. Circulating water integration temperature becomes sleeve pipe area and presses leaking stoppage structure, its characterized in that: the temperature sensor comprises an integrated temperature transmitter, a ball valve, a welding joint, a lower adapter and a temperature sleeve; the thermal resistance of the integrated temperature transmitter penetrates through the ball valve and is inserted into the temperature sleeve, the temperature sleeve is connected with one end of the ball valve through a lower adapter, and the other end of the ball valve is connected with the integrated temperature transmitter through a welding joint.
2. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 1, wherein: the integrated temperature transmitter is inserted into the armored platinum resistance sensor with the thermal resistance of phi 6mm in the temperature sleeve.
3. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 1, wherein: the lower conversion joint is an M20X 1, 5-to-1/2 NPT short-circuit conversion joint, the lower end of the lower conversion joint is connected with the internal thread of the temperature sleeve, the upper end of the lower conversion joint is connected with the ball valve, and the ball valve is a 1/2NPT ball valve.
4. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 1, wherein: the welding joint is formed by welding a terminal clamping sleeve joint and an upper conversion joint.
5. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 4, wherein: the terminal clamping and sleeving joint is connected with the integrated temperature transmitter, and the upper conversion joint is connected with the ball valve.
6. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 1, wherein: and a sealing rubber strip is arranged at the joint of the welding joint and the integrated temperature transmitter.
7. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 6, wherein: the sealing rubber strip is a white cloth strip coated with a sealant.
8. The circulating water integrated temperature-changing sleeve pipe leakage blocking structure under pressure as claimed in claim 1, wherein: the welding of circulating water pipeline has the connecting pipe, and the tip of connecting pipe sets up the lower flange, the welding has the upper flange on the temperature sleeve pipe, and temperature sleeve pipe and connecting pipe pass through upper flange and lower flange and connect, and the temperature sleeve pipe passes in the connecting pipe extends to circulating water pipeline.
9. The circulating water integrated temperature change sleeve under-pressure leakage blocking method is characterized by comprising the following steps of:
the method comprises the following steps: preparing a ball valve, connecting a lower adapter at the lower end head of the ball valve, and matching the other end of the lower adapter with the internal thread of the sleeve;
step two: preparing a platinum resistance sensor, welding a terminal clamping sleeve joint and an upper conversion joint to form a welding joint, connecting the terminal clamping sleeve joint to the end part of the platinum resistance sensor, and winding a sealing rubber strip at the upper conversion joint;
step three: the original platinum resistance sensor on the integrated temperature transmitter is disassembled, the ball valve with the lower adapter is opened and installed in the temperature sleeve, and the ball valve is closed;
step four: inserting a platinum resistance sensor with a sealing rubber strip into the upper end of a ball valve, opening the ball valve, inserting the platinum resistance sensor into a temperature measuring position in a temperature sleeve, and sealing the ball valve and a terminal clamping sleeve joint;
step five: the terminal clamping and connecting joint is sealed by sealant, and a signal line is connected, so that normal temperature indication is ensured, and no water leakage exists.
10. The method for leaking the water under pressure of the circulating water integrated temperature change sleeve pipe as claimed in claim 9, wherein the platinum resistance sensor prepared in the second step is 150mm longer than the original platinum resistance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313049.1A CN110836332A (en) | 2019-12-18 | 2019-12-18 | Circulating water integrated temperature-change sleeve under-pressure leakage blocking structure and leakage blocking method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313049.1A CN110836332A (en) | 2019-12-18 | 2019-12-18 | Circulating water integrated temperature-change sleeve under-pressure leakage blocking structure and leakage blocking method thereof |
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| Publication Number | Publication Date |
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| CN110836332A true CN110836332A (en) | 2020-02-25 |
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| CN201911313049.1A Pending CN110836332A (en) | 2019-12-18 | 2019-12-18 | Circulating water integrated temperature-change sleeve under-pressure leakage blocking structure and leakage blocking method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720393A (en) * | 2021-09-03 | 2021-11-30 | 杭州第九区科技有限公司 | Coke oven temperature and pressure wireless measuring device capable of reducing heat conduction |
-
2019
- 2019-12-18 CN CN201911313049.1A patent/CN110836332A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720393A (en) * | 2021-09-03 | 2021-11-30 | 杭州第九区科技有限公司 | Coke oven temperature and pressure wireless measuring device capable of reducing heat conduction |
| CN113720393B (en) * | 2021-09-03 | 2024-05-03 | 杭州第九区科技有限公司 | Coke oven temperature and pressure wireless measuring device capable of reducing heat conduction |
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