CN208765904U - A kind of heat exchange pipe head pressure testing device - Google Patents

A kind of heat exchange pipe head pressure testing device Download PDF

Info

Publication number
CN208765904U
CN208765904U CN201821557495.8U CN201821557495U CN208765904U CN 208765904 U CN208765904 U CN 208765904U CN 201821557495 U CN201821557495 U CN 201821557495U CN 208765904 U CN208765904 U CN 208765904U
Authority
CN
China
Prior art keywords
pressure
test
ing
secure component
testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821557495.8U
Other languages
Chinese (zh)
Inventor
李小芹
朱恩荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Jinmen Energy Equipment Co Ltd
Original Assignee
Jiangsu Jinmen Energy Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Jinmen Energy Equipment Co Ltd filed Critical Jiangsu Jinmen Energy Equipment Co Ltd
Priority to CN201821557495.8U priority Critical patent/CN208765904U/en
Application granted granted Critical
Publication of CN208765904U publication Critical patent/CN208765904U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model discloses a kind of heat exchange pipe head pressure testing device, which includes test(ing) medium inlet pipeline, pressure-testing block, secure component and test(ing) medium outlet conduit;The secure component is equipped with the tube chamber for penetrating through before and after heat exchanger tube;The external screw thread for being tightly connected with pressure-testing block is provided on the rear end outer wall of the secure component, front end is provided with top wire hole up and down;The opening for connecting secure component is arranged in described pressure-testing block one end, the other end is equipped with the opening of joint test medium entrance pipeline, inside is provided with the cavity for being used to accommodate heat exchanger tube that front and back penetrates through, one end inner wall of the pressure-testing block is equipped with the internal screw thread connecting with secure component, and the other end is equipped with the internal screw thread connecting with test(ing) medium inlet pipeline;Test(ing) medium inlet pipeline end is equipped with the external screw thread for being tightly connected with pressure-testing block, is in series with ball valve and pressure gauge among test(ing) medium inlet pipeline;Ball valve is in series on the test(ing) medium outlet conduit.

Description

A kind of heat exchange pipe head pressure testing device
Technical field
The utility model relates to a kind of heat exchange pipe head pressure testing devices, belong to heat exchanger field.
Background technique
Heat exchanger is one of important equipment on Petrochemical Enterprises process units, is provided according to GB151 " shell-and-tube heat exchanger ", right The heat exchanger tube of the heat exchanger of heat exchanger tube and particular/special requirement after connecing wants 100% carry out pressure testing.
It is only qualified intact, after just can guarantee heat exchanger completion quality by pressure testing confirmation heat exchanger tube, such as Fruit not pressure testing, which directly carries out assembling finally overall pressure testing discovery heat exchanger tube, leakage, can not substantially handle, especially for knot The heat exchanger of structure complexity, sometimes can only plugging tube head, influence the using effect and service life of heat exchanger, therefore before restraining assembling The work pressure test for exchanging heat pipe is necessary and important.
There are many heat exchange pipe head pressure testing devices, common such as jack briquetting method, the basic principle is that with hold-down bolt Then fixed heat exchanger tube pushes briquetting to compress nozzle to achieve the purpose that sealing orifice with jack.This method heat exchanger tube Sealing, fixed operation time-consuming are long, and operation sequence is complicated, and working efficiency is low, it is necessary to there is a Special test place, therefore with The development of Petrochemical Enterprises is no longer satisfied production needs;There are also weld closure plate, Xiang Huanre on heat exchanger tube both sides for common method It is suppressed in pipe, after pressure testing, the heat exchanger tube that closure plate goes out will be welded and cut away, this quadrat method is not only complicated for operation, and efficiency It is lower, material is wasted, cost is improved, is difficult to meet heat exchanger quality and construction period.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of heat exchange pipe head pressure testing device and its pressure testing side Method does air seal test or the water pressure test for heat exchanger tube, has the characteristics that structure is simple, compact, easy to operate.
The utility model solve its technical problem the technical solution adopted is that:
A kind of heat exchange pipe head pressure testing device, including test(ing) medium inlet pipeline, pressure-testing block, secure component and test are situated between Matter outlet conduit;
Wherein, the secure component is in the tube chamber that internal diameter is consistent, outer diameter front end is greater than rear end, and tube chamber internal diameter is slightly larger than The heat exchanger tube of pressure testing can accommodate heat exchanger tube and pass through;It is provided on the rear end outer wall of the secure component for connecting with pressure-testing block sealing The external screw thread connect, the front end of the secure component are provided with top wire hole up and down, the locking screw that when use connect with top wire hole Bolt fixes secure component and heat exchange pipe outer wall, prevents heat exchanger tube and pressure testing device generation relative motion during pressure testing;
The opening for connecting secure component is arranged in described pressure-testing block one end, and the other end is equipped with joint test medium inlet The opening in road, inside be provided with that front and back penetrates through for accommodating the cavity of heat exchanger tube, one end inner wall of the pressure-testing block be equipped with The internal screw thread of secure component connection, the other end are equipped with the internal screw thread connecting with test(ing) medium inlet pipeline;
Test(ing) medium inlet pipeline end is equipped with the external screw thread for being tightly connected with pressure-testing block, test(ing) medium import Ball valve and pressure gauge are in series among pipeline;Ball valve is in series on the test(ing) medium outlet conduit.
As the optimal technical scheme of the application, it is also provided on the pressure-testing block outer wall for pressure text head to be fixed on survey Try the groove body on platform.
As the optimal technical scheme of the application, gasket is equipped between the pressure-testing block and secure component, pressure testing is packaged By after the threaded connection of pressure-testing block and secure component after upper gasket, work normally after need to only dismantling two clamping screws, i.e., It can carry out the work pressure test of next heat exchanger tube.
Preferably, the gasket is the one of which of rubber material, stainless steel or lead.
As the optimal technical scheme of the application, the pressure-testing block and secure component are regular hexagon.
Beneficial effect
Heat exchange pipe head pressure testing device provided by the utility model has the advantages that compared with prior art
(1) structure is simple, and production tooling is convenient;
(2) less with material, it operates conveniently, original tooling pressure testing is fastly bolt fastening with secure component, complicated for operation, tooling It is heavier, it is inconvenient for operation;
(3) tube head work pressure test efficiency is improved, saves working time, remarkable in economical benefits;
(4) the utility model can be adjusted according to different heat exchanger tubes, only the internal diameter of secure component need to be changed to outside heat exchanger tube Wall size Xiang Wenhe can be used to the heat exchanger tube of different-diameter, and original tooling is that a kind of heat exchanger tube of specification need to be with a full set of pressure testing Device.Reduce the workload of frock making.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the using state structure diagram of the utility model pressure testing;
Wherein 1- test(ing) medium inlet pipeline;2- ball valve;3- pressure gauge;4- pressure-testing block;5- gasket;6- secure component; 7- clamping screw;8- heat exchanger tube.
Specific embodiment
In order to be more likely to be clearly understood the content of the utility model, the utility model is done with reference to embodiments It is further described.The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified Schematic diagram only illustrates the basic structure of the utility model in a schematic way, therefore it only shows structure related with the utility model At.
Embodiment 1:
With reference to Fig. 1 and Fig. 2, the utility model provides a kind of pressure test device for heat exchange tubes, including test(ing) medium inlet pipeline 1, pressure-testing block 4, secure component 6 and test(ing) medium outlet conduit;
Wherein, the secure component 6 is in the tube chamber that internal diameter is consistent, outer diameter front end is greater than rear end, is penetrated through before and after tube chamber, So that heat exchanger tube 8 passes through;The external screw thread for being tightly connected with pressure-testing block 4, institute are provided on the rear end outer wall of the secure component 6 The front end for stating secure component is provided with top wire hole up and down, installation locking bolt 7 in top wire hole when use, so that secure component 6 fit closely with heat exchanger tube 8 to be detected;
The opening for connecting secure component 6 is arranged in described 4 one end of pressure-testing block, and the other end is equipped with joint test medium entrance The opening of pipeline 1, inside are provided with the cavity for being used to accommodate heat exchanger tube 8 that front and back penetrates through, set on one end inner wall of the pressure-testing block 4 There is the internal screw thread connecting with secure component 6, the other end is equipped with the internal screw thread connecting with test(ing) medium inlet pipeline 1;
1 end of test(ing) medium inlet pipeline is equipped with external screw thread for being tightly connected with pressure-testing block 4, test(ing) medium into Ball valve 2 and pressure gauge 3 are in series among mouth pipeline 1;It is in series with ball valve 2 on the test(ing) medium outlet conduit, outlet conduit One end ball valve 2 is communicated with atmosphere, and the ball valve of inlet pipeline is connected with test(ing) medium, equipped with pressure gauge 3 convenient for observation examination on pipeline Test pressure.
Wherein, the groove body for being fixed on pressure text head on test platform is also provided on 4 outer wall of pressure-testing block (in figure It does not mark).
Wherein, between the pressure-testing block and secure component be equipped with gasket, the gasket can for rubber material, can also Think stainless steel or lead, according to the difference of test pressure, selects different gaskets.
Wherein, the pressure-testing block and secure component are regular hexagon, easy to disassemble.
When doing hydraulic pressure test, pressure-testing block internal threaded end is loaded into gasket, connect and fastens with fixation kit external screw thread, Test(ing) medium inlet pipeline is threadedly coupled on pressure text head again, accesses heat exchanger tube to be detected, clamping screw is fastened on heat exchange In pipe outer wall, the junction of pressure text head and fixation kit and pressure text head and test(ing) medium inlet pipeline is fastened again, is needed It should be noted that guarantee test medium inlet pipeline, pressure-testing block, secure component and heat exchanger tube in a center line when installation On;
Then, it will be opened into the ball valve valve of test(ing) medium, close ball valve valve after reaching test pressure, checked, No leakage is qualified;After test, other end ball valve valve is opened into pressure release, experiment work is completed.
The water pressure test is compared using above-mentioned novel heat exchange pipe tube head pressure testing device and the original pressure testing device of applicant When (heat exchange tube specification be φ 38*3, pressure test pressure 4.0Mpa), find between the pressure testing device of the application and heat exchanger tube without phase To movement, No leakage, and heat exchanger tube, without bending, achieve the effect that as original pressure testing device during pressure testing, but this Shen Every detection time of pressure testing device please is 20s, and original pressure testing device detection time is in 2min, and efficiency improves 5 times, significantly Reduce detection time.
Meanwhile applicant also uses the pressure testing device of the application to carry out air-tight test, chooses 100 heat exchanger tubes of test Air-tight test is carried out, discovery success rate is 100%.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the application fields.Should also Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
The meaning of "and/or" described herein refers to that the case where respective individualism or both exists simultaneously wraps Including including.
The meaning of " connection " described herein can be between component be directly connected to be also possible to pass through between component Other components are indirectly connected with.
The protection content of the utility model is not limited to above embodiments.In the spirit and model conceived without departing substantially from utility model Under enclosing, various changes and advantages that will be apparent to those skilled in the art are all included in the utility model, and with appended power Benefit requires to be protection scope.

Claims (5)

1. a kind of heat exchange pipe head pressure testing device, which is characterized in that including test(ing) medium inlet pipeline, pressure-testing block, secure component And test(ing) medium outlet conduit;
Wherein, the secure component is in the tube chamber that internal diameter is consistent, outer diameter front end is greater than rear end, and tube chamber internal diameter is logical for heat exchanger tube It crosses;The external screw thread for being tightly connected with pressure-testing block is provided on the rear end outer wall of the secure component, before the secure component End is provided with top wire hole up and down;
The opening for connecting secure component is arranged in described pressure-testing block one end, and the other end is equipped with joint test medium entrance pipeline Opening, inside are provided with the cavity for being used to accommodate heat exchanger tube that front and back penetrates through, and one end inner wall of the pressure-testing block is equipped with and fastening The internal screw thread of component connection, the other end are equipped with the internal screw thread connecting with test(ing) medium inlet pipeline;
Test(ing) medium inlet pipeline end is equipped with the external screw thread for being tightly connected with pressure-testing block, test(ing) medium inlet pipeline Centre is in series with ball valve and pressure gauge;Ball valve is in series on the test(ing) medium outlet conduit.
2. heat exchange pipe head pressure testing device according to claim 1, which is characterized in that also opened up on the pressure-testing block outer wall There is the groove body for being fixed on pressure text head on test platform.
3. heat exchange pipe head pressure testing device according to claim 1, which is characterized in that the pressure-testing block and secure component it Between be equipped with gasket.
4. heat exchange pipe head pressure testing device according to claim 3, which is characterized in that the gasket be rubber material, The one of which of stainless steel or lead.
5. heat exchange pipe head pressure testing device according to claim 1, which is characterized in that the pressure-testing block is with secure component Regular hexagon.
CN201821557495.8U 2018-09-21 2018-09-21 A kind of heat exchange pipe head pressure testing device Active CN208765904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821557495.8U CN208765904U (en) 2018-09-21 2018-09-21 A kind of heat exchange pipe head pressure testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821557495.8U CN208765904U (en) 2018-09-21 2018-09-21 A kind of heat exchange pipe head pressure testing device

Publications (1)

Publication Number Publication Date
CN208765904U true CN208765904U (en) 2019-04-19

Family

ID=66137045

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821557495.8U Active CN208765904U (en) 2018-09-21 2018-09-21 A kind of heat exchange pipe head pressure testing device

Country Status (1)

Country Link
CN (1) CN208765904U (en)

Similar Documents

Publication Publication Date Title
CN109540415A (en) A kind of ship pipeline tightness test tooling
CN102072406A (en) Device and method for detecting product pipeline leakage condition
CN203011654U (en) Clamp used for pressure test of heat exchange tube
CN112213045A (en) Single-tube helium leakage detecting and filling device of heat exchanger and detection method
CN208765904U (en) A kind of heat exchange pipe head pressure testing device
CN202305139U (en) Composite pressure testing tool for corrugated pipe assembly
CN109163850A (en) A kind of heat exchange pipe head pressure testing device and its pressure-measuring method
CN203929520U (en) A kind of heat exchanger tube pass pressure testing device
CN220339580U (en) Pipe end leakage detection device of large heat exchanger
CN210243384U (en) High-parameter boiler pipe fitting hydrostatic test fastener
CN203587297U (en) General air tightness quick detection device for glass fiber reinforced plastic seal cover
CN216207336U (en) Helium leakage detection test device for inner hole welding
CN206945231U (en) A kind of sealing device for water pressure test
CN211877323U (en) Plate heat exchanger pressure testing frock
CN207007440U (en) A kind of heat exchanger tube helium checking device
CN209014401U (en) The heat exchanger tube structure for pressure test of heat exchange equipment
CN214201000U (en) Hydrostatic experimental instrument
CN207263384U (en) A kind of mounting structure of test fixture and floating head heat exchanger
CN114046940B (en) Helium leakage detection test device and leakage detection method for inner hole welding
CN221303022U (en) Pipeline and valve pressure testing device
CN220170457U (en) Gasket high-low temperature sealing performance test device
CN208605617U (en) One kind be spirally connected pressure testing blocking
CN211697279U (en) Heat exchange tube is pressure testing device one by one
CN221007125U (en) Internal expansion type heat exchange tube pressure test tool
CN213956671U (en) On-line pressure testing device for floating head heat exchanger

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant