CN106641737A - Heat exchange tube system and pressure maintaining and testing device and method of shell-and-tube heat exchanger - Google Patents
Heat exchange tube system and pressure maintaining and testing device and method of shell-and-tube heat exchanger Download PDFInfo
- Publication number
- CN106641737A CN106641737A CN201611183937.2A CN201611183937A CN106641737A CN 106641737 A CN106641737 A CN 106641737A CN 201611183937 A CN201611183937 A CN 201611183937A CN 106641737 A CN106641737 A CN 106641737A
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- Prior art keywords
- heat exchanger
- shell
- pressure
- pressurize
- testing device
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a pressure maintaining and testing device and method of a shell-and-tube heat exchanger. The pressure maintaining and testing device of the shell-and-tube heat exchanger comprises a connecting piece and a control device, wherein the connecting piece is used for being connected with an instrument air source and a cooling liquid channel so as to fill the cooling liquid channel with air, and the control device comprises a pressure-maintaining monitoring module used for measuring the pressure value during pressure maintaining and testing in time and storing the pressure value. According to the pressure maintaining and testing device of the shell-and-tube heat exchanger, the change condition of the pressure value can be monitored through the pressure-maintaining monitoring module so that a worker can judge the leakage severity of a heat exchange tube according to the changing speed of the pressure value, leakage checking and detecting work of the sealed heat exchange tube is changed into normal data monitoring, the reliability of leakage judgment is improved accordingly, and the loss of lubricating oil or other substances to be cooled is reduced. The invention further discloses a heat exchange system comprising the pressure maintaining and testing device of the shell-and-tube heat exchanger. The leakage condition of a pipeline can be detected more accurately.
Description
Technical field
The present invention relates to technical field of heat exchange equipment, more particularly to a kind of shell-and-tube heat exchanger pressurize pressure testing device.Additionally,
The invention further relates to a kind of heat exchanger system including above-mentioned shell-and-tube heat exchanger pressurize pressure testing device.The invention further relates to a kind of
Shell-and-tube heat exchanger pressurize pressure-measuring method.
Background technology
Shell-and-tube heat exchanger, also known as tubular heat exchanger, is a kind of general standard heat transmission equipment, its have simple structure,
The advantages of sturdy and durable, cheap, strong adaptability, it is most widely used, leading position is occupied in heat transmission equipment.
Shell-and-tube heat exchanger be heat-exchanging tube bundle is connected with tube sheet after, then wrapped with cylinder and bobbin carriage, form two solely
Vertical space.Passage in pipe and it is referred to as tube side to the bobbin carriage of insertion with it, passage outside pipe and the part connected with it claim
For shell side.In Bottomhole pressure, two one other fluids flow through a kind of fluid between shell and tube bank from pipe appearance.In order to ensure shell side
Fluid can flow transversely through tube bank, to complete higher heat transfer efficiency, many baffle plates are housed on surgery.
In prior art, because heat exchanger is that sealing is assembled and pipeline is longitudinal arrangement, it is difficult to detect by an unaided eye in heat exchanger
Corrosive pipeline degree, typically being pressurizeed by water pump carries out pressurize test, and this method can only check pipeline whether seepage, it is impossible to examine
Test the order of severity of seepage.
Therefore, the leakage scenarios of pipeline how are more accurately detected, is that those skilled in the art need to solve at present
Technical problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of shell-and-tube heat exchanger pressurize pressure testing device, can be more accurate
The leakage scenarios of ground detection pipeline.It is a further object of the present invention to provide a kind of including above-mentioned shell-and-tube heat exchanger pressurize pressure testing dress
The heat exchanger system put, can more accurately detect the leakage scenarios of pipeline.It is a further object of the present invention to provide a kind of pipe
Shell heat exchanger pressurize pressure-measuring method, can more accurately detect the leakage scenarios of pipeline.
For achieving the above object, the present invention provides following technical scheme：
A kind of shell-and-tube heat exchanger pressurize pressure testing device, including：
For connecting connector of the instrument air with cooling passage to inflate in the cooling passage；
Control device, the pressurize of the pressure value when control device includes for measuring in real time and stores pressurize pressure testing is supervised
Survey module.
Preferably, the connector is triple valve, and the triple valve includes that for connecting the instrument air first connects
Mouthful, the second interface for connecting the control device and for connecting the cooling passage in coolant drain pipe the
Three interfaces.
Preferably, also include that, for the pressure gauge of field observation pressure value, the pressure gauge is connected to the second interface.
Preferably, it is respectively equipped with stop valve in the first interface and the second interface.
Preferably, the control device also includes the pressure value changes feelings for measuring coolant in real time in heat transfer process
The on-line monitoring module of condition.
Preferably, the control device includes：
Detection module, for monitoring pressure in real time value；
Fitting module, for by real-time detection to pressure value connect into line.
One kind heat exchange guard system, including cooling passage, also include the shell-and-tube heat exchanger as described in above-mentioned any one
Pressurize pressure testing device.
Preferably, it is connected with drain valve on the coolant feed tube in the cooling passage.
A kind of shell-and-tube heat exchanger pressurize pressure-measuring method, including：
Connection instrument air and cooling passage, to inflate in the cooling passage；
Pressure value during pressurize pressure testing is measured and stored in real time.
The shell-and-tube heat exchanger pressurize pressure testing device that the present invention is provided is included for connecting instrument air and cooling passage
With the connector inflated in cooling passage；Control device, control device includes for measuring in real time and stores pressurize pressure testing
When pressure value pressurize monitoring modular.
When pressurize pressure testing is carried out, by connector to insufflation gas in cooling passage, pressurize monitoring modular can be real
When pressure value when measuring and storing pressurize pressure testing, so that staff observes the situation of change of pressure value.
This kind of shell-and-tube heat exchanger pressurize pressure testing device can be entered by pressurize monitoring modular to the situation of change of pressure value
Row monitoring, so that staff judges the order of severity of heat exchanger tube seepage by the change speed of pressure value, makes the heat exchange of sealing
Pipe leakage detection leak detection work is changed into a kind of normality data monitoring, so as to improve seepage judgement reliability, reduce lubricating oil or its
The loss of his material to be cooled.Meanwhile, connector accesses gas and carries out pressurize pressure testing, can prevent for carrying out pressurize pressure testing
Dielectric corrosion pipeline, is conducive to extending the service life of pipeline in heat exchanger system.
The heat-exchange system including above-mentioned shell-and-tube heat exchanger pressurize pressure testing device that the present invention is provided, can be more accurately
The leakage scenarios of detection pipeline.
The shell-and-tube heat exchanger pressurize pressure-measuring method that the present invention is provided, can more accurately detect the seepage feelings of pipeline
Condition.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of the specific embodiment of shell-and-tube heat exchanger pressurize pressure testing device provided by the present invention.
In figure, 1 is heat exchanger tube, and 2 is control device, and 3 is pressure gauge, and 4 is connector, and 5 is coolant drain pipe, and 6 is cold
But liquid feed tube, 7 is drain valve.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The core of the present invention is to provide a kind of shell-and-tube heat exchanger pressurize pressure testing device, can more accurately detect pipeline
Leakage scenarios.Another core of the present invention is to provide a kind of heat exchanger including above-mentioned shell-and-tube heat exchanger pressurize pressure testing device
System, can more accurately detect the leakage scenarios of pipeline.Another core of the present invention is to provide a kind of shell-and-tube heat exchanger
Pressurize pressure-measuring method, can more accurately detect the leakage scenarios of pipeline.
Fig. 1 is refer to, Fig. 1 is the structure of the specific embodiment of shell-and-tube heat exchanger pressurize pressure testing device provided by the present invention
Schematic diagram.
In a kind of specific embodiment of shell-and-tube heat exchanger pressurize pressure testing device provided by the present invention, including the He of connector 4
Control device 2.Connector 4 is used to connect instrument air and cooling passage, to inflate in cooling passage；Control device 2
Including the pressurize monitoring modular of the pressure value for measuring in real time and when storing pressurize pressure testing.
When pressurize pressure testing is carried out, by connector 4 to insufflation gas in cooling passage, pressurize monitoring modular can be real
When pressure value when measuring and storing pressurize pressure testing, so that staff observes the situation of change of pressure value.
It can be seen that, this kind of shell-and-tube heat exchanger pressurize pressure testing device can be to the change feelings of pressure value by pressurize monitoring modular
Condition is monitored, and so that staff judges the order of severity of the seepage of heat exchanger tube 1 by the change speed of pressure value, makes sealing
The leakage detection leak detection work of heat exchanger tube 1 is changed into a kind of normality data monitoring, so as to improve seepage judgement reliability, reduce lubricating oil or
The loss of person other materials to be cooled.Meanwhile, connector 4 accesses gas and carries out pressurize pressure testing, can prevent for carrying out pressurize
The dielectric corrosion pipeline of pressure testing, is conducive to extending the service life of pipeline in heat exchanger system.
In above-described embodiment, connector 4 is specifically as follows triple valve, triple valve include for connect instrument air first
Interface, the second interface for connecting control device 2 and for connecting cooling passage in coolant drain pipe 5 the 3rd connect
Mouthful.That is, connector 4 is while realizing that instrument air is connected with cooling passage, can simultaneously connect control device
2, advantageously reduce the outfit quantity of required device during pressurize pressure testing；Meanwhile, connector 4 is connected with coolant drain pipe 5, have
Beneficial to ensureing that coolant is inflated after draining.Wherein, can be transmitted by pressure signal between control device 2 and second interface
Line connects.
In above-mentioned each embodiment, shell-and-tube heat exchanger pressurize pressure testing device can also be included for field observation pressure value
Pressure gauge 3, pressure gauge 3 is connected to second interface, during such that it is able to facilitating field personnel to understand pressurize pressure testing at any time with
And the pressure condition in cooling procedure.
In above-described embodiment, stop valve can be respectively equipped with first interface and second interface, such that it is able to cut off instrument
Source of the gas, control device 2, the three of pressure gauge 3 and cooling passage, are easy to the inspection of pressure gauge 3, control device 2 and instrument air
Repair.Certainly, total stop valve can also be set on the 3rd interface, to improve the reliability blocked.
In above-mentioned each embodiment, control device 2 can also be included for measuring coolant in real time in heat transfer process
The on-line monitoring module of pressure value situation of change.During the use of heat exchanger, by the monitoring for monitoring module on-line, can be with
Judge the speed of the pressure change of coolant, such that it is able to judge whether heat exchanger tube 1 becomes rusty seepage is worn, ensure that heat exchange guard system is being changed
Problem is occurred without in the running of heat, using reliability.
In above-mentioned each embodiment, control device 2 can specifically include detection module and fitting module.Detection module can be with
For monitoring pressure in real time value, fitting module can be used for by real-time reception to pressure value connect into line.Connected by pressure value
The curve being connected into and the experience with reference to staff or the judgment standard of setting judge leakage scenarios, are easy to arrange and judge.
Except above-mentioned pipe heat exchanger pressurize pressure testing system, present invention also offers a kind of included disclosed in above-described embodiment
The heat exchanger system of pipe heat exchanger pressurize pressure testing system, the heat exchanger system is as a result of above-mentioned shell-and-tube heat exchanger pressurize
Pressure testing device, can more accurately detect the leakage scenarios of pipeline.Other of the shell-and-tube heat exchanger pressurize pressure testing device are each
Partial structure may be referred to prior art.
In above-described embodiment, drain valve 7 can be connected with the coolant feed tube 6 in cooling passage, in heat exchanger
During deactivation, drain valve 7 is easy to drain coolant, then carries out pressurize with the gas of instrument air, prevents humid air from entering corrosion
Pipeline.
Except above-mentioned pipe heat exchanger pressurize pressure testing system and heat exchanger system, present invention also offers a kind of shell-and-tube
Heat exchanger pressurize pressure-measuring method, comprises the following steps：
Connection instrument air and cooling passage, to inflate in the cooling passage；
Pressure value during pressurize pressure testing is measured and stored in real time.
This kind of shell-and-tube heat exchanger pressurize pressure-measuring method can be monitored to the situation of change of pressure value, so as to the people that works
Member judges the order of severity of heat exchanger tube seepage by the change speed of pressure value, and the heat exchanger tube leakage detection leak detection work for making sealing is changed into
A kind of normality data monitoring, so as to improve the reliability of seepage judgement, reduces lubricating oil or the loss of other materials to be cooled.
Meanwhile, accessing gas carries out pressurize pressure testing, can prevent the dielectric corrosion pipeline for carrying out pressurize pressure testing, is conducive to prolongation to change
The service life of pipeline in hot device system.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Above to heat exchange guard system provided by the present invention and its shell-and-tube heat exchanger pressurize pressure testing device, pipe shell type heat exchange
Device pressurize pressure-measuring method is described in detail.Specific case used herein is carried out to the principle and embodiment of the present invention
Illustrate, the explanation of above example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that for
For those skilled in the art, under the premise without departing from the principles of the invention, if can also carry out to the present invention
Dry to improve and modify, these are improved and modification is also fallen in the protection domain of the claims in the present invention.
Claims (9)
1. a kind of shell-and-tube heat exchanger pressurize pressure testing device, it is characterised in that include：
For connecting connector (4) of the instrument air with cooling passage to inflate in the cooling passage；
Control device (2), the pressurize of the pressure value when control device (2) includes for measuring in real time and stores pressurize pressure testing
Monitoring modular.
2. shell-and-tube heat exchanger pressurize pressure testing device according to claim 1, it is characterised in that the connector (4) is
Triple valve, the triple valve is included for connecting the first interface of the instrument air, for connecting the control device (2)
Second interface and for connecting the cooling passage in coolant drain pipe (5) the 3rd interface.
3. shell-and-tube heat exchanger pressurize pressure testing device according to claim 2, it is characterised in that also include for scene sight
The pressure gauge (3) of pressure value is examined, the pressure gauge (3) is connected to the second interface.
4. shell-and-tube heat exchanger pressurize pressure testing device according to claim 3, it is characterised in that the first interface and institute
State and be respectively equipped with second interface stop valve.
5. the shell-and-tube heat exchanger pressurize pressure testing device according to Claims 1-4 any one, it is characterised in that described
Control device (2) also includes the on-line monitoring mould of the pressure value situation of change for measuring coolant in real time in heat transfer process
Block.
6. shell-and-tube heat exchanger pressurize pressure testing device according to claim 5, it is characterised in that the control device (2)
Including：
Detection module, for monitoring pressure in real time value；
Fitting module, for by real-time detection to pressure value connect into line.
7. a kind of heat exchange guard system, including cooling passage, it is characterised in that also including described in claim 1 to 6 any one
Shell-and-tube heat exchanger pressurize pressure testing device.
8. heat exchange guard system according to claim 7, it is characterised in that the coolant feed tube in the cooling passage
(6) drain valve (7) is connected with.
9. a kind of shell-and-tube heat exchanger pressurize pressure-measuring method, it is characterised in that include：
Connection instrument air and cooling passage, to inflate in the cooling passage；
Pressure value during pressurize pressure testing is measured and stored in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183937.2A CN106641737A (en) | 2016-12-20 | 2016-12-20 | Heat exchange tube system and pressure maintaining and testing device and method of shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183937.2A CN106641737A (en) | 2016-12-20 | 2016-12-20 | Heat exchange tube system and pressure maintaining and testing device and method of shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641737A true CN106641737A (en) | 2017-05-10 |
Family
ID=58834703
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183937.2A Pending CN106641737A (en) | 2016-12-20 | 2016-12-20 | Heat exchange tube system and pressure maintaining and testing device and method of shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641737A (en) |
Cited By (2)
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|---|---|---|---|---|
| CN109163850A (en) * | 2018-09-21 | 2019-01-08 | 江苏金门能源装备有限公司 | A kind of heat exchange pipe head pressure testing device and its pressure-measuring method |
| CN110332468A (en) * | 2019-07-30 | 2019-10-15 | 西安热工研究院有限公司 | A kind of thermal power plant unit heat exchanger tube leakage on-line diagnosing apparatus and method |
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Address after: 400082 Dadukou District of Chongqing Bridge Industrial Park B District Applicant after: Chongqing international composite Limited by Share Ltd Address before: 400082 Chongqing Polycomp International Corporation Dadukou District of Chongqing Bridge Industrial Park B District Applicant before: Chongqing Polycomp International Corp. |
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Application publication date: 20170510 |