CN111398046B - Detection fixing device and fixing method for heat exchange tube of U-shaped tube heat exchanger - Google Patents
Detection fixing device and fixing method for heat exchange tube of U-shaped tube heat exchanger Download PDFInfo
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- CN111398046B CN111398046B CN202010365812.1A CN202010365812A CN111398046B CN 111398046 B CN111398046 B CN 111398046B CN 202010365812 A CN202010365812 A CN 202010365812A CN 111398046 B CN111398046 B CN 111398046B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention aims to provide a detection fixing device for a heat exchange tube of a U-shaped tube heat exchanger, which comprises an inlet detection fixing device and an outlet detection fixing device. Import detects fixing device includes the screw rod, cup jointed on the screw rod with screw rod diameter assorted cover that expands, the one end of screw rod is provided with the crossbeam perpendicularly, expand in cover, pressure pad and the little pressure head all imbeds the crossbeam, the other end threaded connection of screw rod has the threaded rod, has cup jointed the sleeve pipe on the threaded rod, is provided with the butterfly card at the sheathed tube one end of keeping away from the crossbeam, and the threaded rod is kept away from the one end of crossbeam and is connected with the manometer seat. The detection fixing device and the fixing method for the heat exchange tube of the U-shaped tube heat exchanger solve the problems that the pressure detection of the heat exchange tube is difficult and inconvenient in the prior art, the detection heat exchange tubes are various, and the detection fixing device is simple in structure and easy to operate, and can greatly improve the working efficiency after being used.
Description
Technical Field
The invention belongs to the technical field of pressure container detection, and particularly relates to a U-shaped tube heat exchanger heat exchange tube detection fixing device and a fixing method.
Background
With the rapid development of the pressure container industry in China, the safety and detection of the container are increasingly emphasized. The invention discloses a U-shaped tube heat exchanger heat exchange tube detection fixing device designed from the actual engineering, and a specific measurement method, aiming at the heat exchanger equipment with the most varieties and the most frequent use in domestic pressure vessels, wherein the traditional detection device has higher dependence degree on the environment and has higher requirements on the operation level of workers.
Disclosure of Invention
The invention aims to provide a detection fixing device for a heat exchange tube of a U-shaped tube heat exchanger, which solves the problems of difficulty in pressure detection and inconvenience in detection of the heat exchanger in the prior art.
The invention also discloses a method for fixing the heat exchange tube of the U-shaped tube heat exchanger.
The invention adopts the technical scheme that a heat exchange tube detection fixing device of a U-shaped tube heat exchanger comprises an inlet detection fixing device and an outlet detection fixing device.
The present invention is also characterized in that,
import detects fixing device includes screw rod B, cup joints on screw rod B with screw rod B diameter assorted cover B that expands, has cup jointed pressure pad B and little pressure head B in proper order in cover B's that expands top screw rod B, and screw rod B's one end is provided with crossbeam B perpendicularly, expand cover B, pressure pad B and little pressure head B and all imbed in the crossbeam B, screw rod B's other end threaded connection has threaded rod B, has cup jointed sleeve pipe B on the threaded rod B, is provided with butterfly card B in sleeve pipe B's the one end of keeping away from crossbeam B, and threaded rod B keeps away from crossbeam B's one end and is connected with pressure gauge stand B.
Export detection fixing device and export detection fixing device set up relatively, including screw rod A, cup jointed on the screw rod A with screw rod A diameter assorted cover A that expands, cup jointed pressure pad A and little pressure head A in proper order in cover A's top screw rod A that expands, screw rod A's one end is provided with crossbeam A perpendicularly, cover A, pressure pad A and little pressure head A that expand all imbed in crossbeam A, screw rod A's other end threaded connection has the threaded rod, has cup jointed sleeve pipe A on the threaded rod A, is provided with butterfly card A in sleeve pipe A's the one end of keeping away from crossbeam A, and threaded rod A keeps away from crossbeam A's one end and is connected with pressure gauge stand A, the pressure gauge stand A outside is provided with the end cap.
The middle parts of the beam A and the beam B are provided with convex grooves matched with the diameters of the small pressure head A and the small pressure head B.
A method for fixing a heat exchange tube of a U-shaped tube heat exchanger adopts a detection and fixing device for the heat exchange tube of the U-shaped tube heat exchanger, and specifically comprises the following steps:
step 1: pressing the cross beam A and the cross beam B on the surface of the tube plate and fixing the cross beams A and B with the tube plate;
step 2: inserting the screw A and the screw B into the heat exchange tube hole of the tube plate;
and step 3: rotating the butterfly clamp A to push the sleeve A to press the beam A, and rotating the butterfly clamp B to push the sleeve B to press the beam B;
and 4, step 4: the butterfly-shaped clamp A is continuously rotated to push the small pressure head A through the cross beam A so that the pressure pad A presses the heat exchange tube head, and the butterfly-shaped clamp B is continuously rotated to push the small pressure head B through the cross beam B so that the pressure pad B presses the heat exchange tube head;
and 5: continuously rotating the butterfly clamp A, the screw A and the small pressure head A to compress the expansion sleeve A, and rotating the butterfly clamp B, the screw B and the small pressure head B to compress the expansion sleeve B;
step 6: continuously rotating the butterfly-shaped clamp A to compress the expansion A sleeve to enable the expansion sleeve A to be tightly attached to the inner wall of the heat exchange tube, and rotating the butterfly-shaped clamp B to compress the expansion sleeve B to enable the expansion sleeve B to be tightly attached to the inner wall of the heat exchange tube;
and 7: a water pipe with a pressure gauge is connected to the pressure gauge base B, water is injected into the heat exchange pipe at the water inlet side, and a 6-plug is screwed into the pressure gauge base A to plug when water flows out from the water outlet side;
and 8: and starting a pressure test pump to detect according to the water pressure detection requirement.
The screw A, the screw B, the pressure pad A, the pressure pad B and the expansion sleeve A can be replaced according to the aperture of the heat exchange tube to be detected, and the expansion sleeve B can be suitable for detection before, during and after welding of the heat exchange tube with any current specification; threaded rod A, threaded rod B are modular structure, are convenient for in time change.
The axial sealing of the pressure pad A and the pressure pad B, and the radial sealing of the expansion sleeve A and the expansion sleeve B can realize the highest hydrostatic test pressure of 20 MPa.
The heat exchange tube detection fixing device for the U-shaped tube heat exchanger has the beneficial effects that the problems of difficulty and inconvenience in detection of the heat exchange tube in the prior art are solved, the detection heat exchange tubes are various, the detection fixing device is simple in structure and easy to operate, and the working efficiency can be greatly improved after the detection fixing device is used.
Drawings
FIG. 1 is a schematic structural view of a heat exchange tube detection fixing device of a U-shaped tube heat exchanger.
FIG. 2 is a schematic structural view of a cross beam of the heat exchange tube detection fixing device of the U-shaped tube heat exchanger.
In the figure, 1, a pressure gauge seat A, 2, a threaded rod A, 3, a butterfly clamp A, 4, a small pressure head A, 5, a pressure pad A, 6, a plug, 7, a sleeve A, 8, a screw A, 9, a cross beam A, 10, an expansion sleeve A, 11, a pressure gauge seat B, 12, a threaded rod B, 13, a butterfly clamp B, 14, a small pressure head B, 15, a pressure pad B, 16, a sleeve B, 17, a screw B, 18, a cross beam B, 19 and an expansion sleeve B are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A heat exchange tube detection fixing device of a U-shaped tube heat exchanger is shown in figure 1 and comprises an inlet detection fixing device and an outlet detection fixing device.
The inlet detection fixing device comprises a screw B17, an expansion sleeve B19 matched with the screw B17 in diameter is sleeved on the screw B17, a pressure pad B5 and a small pressure head B14 are sequentially sleeved on a screw B17 above the expansion sleeve B19, a cross beam B18 is vertically arranged at one end of the screw B17, an expansion sleeve B19, a pressure pad B15 and a small pressure head B14 are all embedded into the cross beam B18, a threaded rod B12 is connected to the other end of the screw B17 in threaded manner, a sleeve B16 is sleeved on the threaded rod B12, a butterfly-shaped clamp B13 is arranged at one end, far away from the cross beam B18, of the sleeve B16, and a pressure gauge seat B11 is connected to one end, far away from the cross beam B18, of the threaded rod B12.
The outlet detection fixing device and the outlet detection fixing device are arranged oppositely and comprise a screw A8, an expansion sleeve A10 matched with the diameter of the screw A8 is sleeved on the screw A8, a pressure pad A5 and a small pressure head A4 are sequentially sleeved on the screw A8 above the expansion sleeve A10, a cross beam A9 is vertically arranged at one end of the screw A8, the expansion sleeve A10, the pressure pad A5 and the small pressure head A4 are all embedded in the cross beam A9, a threaded rod is connected to the other end of the screw A8 in a threaded manner, a sleeve A7 is sleeved on the threaded rod A2, a butterfly-shaped clamp A3 is arranged at one end, far away from the cross beam A9, of the threaded rod A2, far away from the end of the cross beam A9, a pressure gauge seat A1 is connected to the end of the threaded rod A7, and a plug 6 is arranged outside the pressure gauge seat A1.
As shown in figure 2, the middle parts of the beam A9 and the beam B18 are provided with convex grooves matched with the diameters of the small pressure heads A4 and B14.
A method for fixing a heat exchange tube of a U-shaped tube heat exchanger adopts a fixing device for detecting the heat exchange tube of the U-shaped tube heat exchanger, and specifically comprises the following steps:
step 1: pressing the beam A9 and the beam B18 on the surface of the tube plate and fixing the tube plate;
step 2: inserting a screw A8 and a screw B17 into a heat exchange tube hole of a tube plate;
and step 3: the rotary butterfly clamp A3 pushes the sleeve A7 to press the beam A9, and the rotary butterfly clamp B13 pushes the sleeve B16 to press the beam B18;
and 4, step 4: the butterfly-shaped clamp A3 is continuously rotated to push a small pressure head A4 through a cross beam A9 so that a pressure pad A5 presses the head of the heat exchange tube, and the butterfly-shaped clamp B13 is continuously rotated to push a small pressure head B14 through a cross beam B18 so that a pressure pad B15 presses the head of the heat exchange tube;
and 5: the butterfly clamp A3 is continuously rotated, the screw A8 and the small pressure head A4 compress the expansion sleeve A10, and the butterfly clamp B13, the screw B17 and the small pressure head B14 compress the expansion sleeve B19;
step 6: the butterfly-shaped clamp A3 is continuously rotated to compress the expansion A10 sleeve, so that the expansion sleeve A10 is tightly attached to the inner wall of the heat exchange tube, and the butterfly-shaped clamp B13 is rotated to compress the expansion sleeve B19, so that the expansion sleeve B19 is tightly attached to the inner wall of the heat exchange tube;
and 7: a water pipe with a pressure gauge is connected to the pressure gauge seat B11, water is injected into the heat exchange pipe at the water inlet side, and a 6-plug is screwed on the pressure gauge seat A1 for plugging when water flows out from the water outlet side;
and 8: after the detection device is installed, the pressure test pump is started to detect according to the water pressure detection requirement, and the steps 1 to 15 are repeated to detect other pipe heads after the test is qualified.
The screw A8, the screw B17, the pressure pad A5, the pressure pad B15, the expansion sleeve A10 and the expansion sleeve B19 can be replaced according to the aperture of the heat exchange tube to be detected, and the device can be suitable for detecting the heat exchange tube with any current specification before, during and after welding; threaded rod A2, threaded rod B12 are modular structure, are convenient for in time change.
The axial sealing of the pressure pad A5 and the pressure pad B15, and the radial sealing of the expansion sleeve A10 and the expansion sleeve B19 can realize the hydrostatic test pressure of 20MPa at most.
The detection fixing device for the heat exchange tube of the U-shaped tube heat exchanger solves the problems of difficulty and inconvenience in detection of the heat exchange tube in the prior art, is various in detection types, simple in structure and easy to operate, and can greatly improve the working efficiency after being used.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It will be understood by those skilled in the art that various changes, substitutions, and alterations can be made without departing from the spirit and scope of the invention.
Claims (5)
1. A detection fixing device for a heat exchange tube of a U-shaped tube heat exchanger is characterized by comprising an inlet detection fixing device and an outlet detection fixing device;
the inlet detection fixing device comprises a screw B (17), an expansion sleeve B (19) matched with the screw B (17) in diameter is sleeved on the screw B (17), a pressure pad B (15) and a small pressure head B (14) are sequentially sleeved on the screw B (17) above the expansion sleeve B (19), a beam B (18) is vertically arranged at one end of the screw B (17), the expansion sleeve B (19), the pressure pad B (15) and the small pressure head B (14) are all embedded into the beam B (18), a threaded rod B (12) is connected to the other end of the screw B (17) in a threaded manner, a sleeve B (16) is sleeved on the threaded rod B (12), a butterfly-shaped clamp B (13) is arranged at one end, far away from the beam B (18), of the threaded rod B (12), and one end, far away from the beam B (18), of the threaded rod B (11) is connected with a pressure gauge seat B (11);
the outlet detection fixing device and the outlet detection fixing device are arranged oppositely and comprise a screw A (8), an expansion sleeve A (10) matched with the screw A (8) in diameter is sleeved on the screw A (8), a screw A (8) above the expansion sleeve A (10) is sequentially sleeved with a pressure pad A (5) and a small pressure head A (4), one end of the screw A (8) is vertically provided with a beam A (9), the expansion sleeve A (10), the pressure pad A (5) and the small pressure head A (4) are all embedded into the cross beam A (9), the other end of the screw A (8) is connected with a threaded rod A (2) in a threaded manner, a sleeve A (7) is sleeved on the threaded rod A (2), a butterfly-shaped clamp A (3) is arranged at one end, far away from the beam A (9), of the sleeve A (7), a pressure gauge seat A (1) is connected to one end, far away from the beam A (9), of the threaded rod A (2), and a plug (6) is arranged on the outer side of the pressure gauge seat A (1);
the threaded rod A (2), the threaded rod A (8), the threaded rod B (12) and the threaded rod B (17) are all hollow structures.
2. The heat exchange tube detection fixing device for the U-shaped tube heat exchanger as claimed in claim 1, wherein the middle parts of the cross beam A (9) and the cross beam B (18) are provided with a concave groove in a shape of Chinese character 'ao' which is matched with the diameters of the small pressure head A (4) and the small pressure head B (14).
3. A detection and fixing method for a heat exchange tube of a U-shaped tube heat exchanger is characterized in that the detection and fixing device for the heat exchange tube of the U-shaped tube heat exchanger as claimed in claim 1 or 2 is adopted, and the detection and fixing method specifically comprises the following steps:
step 1: pressing the beam A (9) and the beam B (18) on the surface of the tube plate and fixing the beam A and the beam B with the tube plate;
step 2: inserting a screw A (8) and a screw B (17) into a heat exchange tube hole of a tube plate;
and step 3: the butterfly-shaped clamp A (3) is rotated to push the sleeve A (7) to press the beam A (9), and the butterfly-shaped clamp B (13) is rotated to push the sleeve B (16) to press the beam B (18);
and 4, step 4: the butterfly-shaped clamp A (3) is continuously rotated to push the small pressure head A (4) through the cross beam A (9) to enable the pressure pad A (5) to tightly press the heat exchange tube head, and the butterfly-shaped clamp B (13) is continuously rotated to push the small pressure head B (14) through the cross beam B (18) to enable the pressure pad B (15) to tightly press the heat exchange tube head;
and 5: continuously rotating the butterfly clamp A (3), the screw A (8) and the small pressure head A (4) to compress the expansion sleeve A (10), and rotating the butterfly clamp B (13), the screw B (17) and the small pressure head B (14) to compress the expansion sleeve B (19);
step 6: continuously rotating the butterfly-shaped clamp A (3) to compress the expansion sleeve A (10) so that the expansion sleeve A (10) is tightly attached to the inner wall of the heat exchange tube, and rotating the butterfly-shaped clamp B (13) to compress the expansion sleeve B (19) so that the expansion sleeve B (19) is tightly attached to the inner wall of the heat exchange tube;
and 7: a water pipe with a pressure gauge is connected to the pressure gauge seat B (11), water is injected into the heat exchange pipe at the water inlet side, and a plug (6) is screwed on the pressure gauge seat A (1) to plug when water flows out from the water outlet side;
and 8: after the detection device is fixed, the pressure test pump is started to detect according to the water pressure detection requirement.
4. The detection and fixation method for the heat exchange tube of the U-shaped tube heat exchanger according to claim 3, wherein the screw A (8), the screw B (17), the pressure pad A (5), the pressure pad B (15), the expansion sleeve A (10) and the expansion sleeve B (19) can be replaced according to the aperture of the heat exchange tube to be detected, and the method can be applied to detection before, during and after welding of the existing heat exchange tube with any specification; threaded rod A (2), threaded rod B (12) are modular structure, are convenient for in time change.
5. The detection and fixation method for the heat exchange tube of the U-shaped tube heat exchanger according to claim 3, wherein the axial sealing of the pressure pad A (5) and the pressure pad B (15) and the radial sealing of the expansion sleeve A (10) and the expansion sleeve B (19) can achieve a maximum hydrostatic test pressure of 20 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365812.1A CN111398046B (en) | 2020-04-30 | 2020-04-30 | Detection fixing device and fixing method for heat exchange tube of U-shaped tube heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365812.1A CN111398046B (en) | 2020-04-30 | 2020-04-30 | Detection fixing device and fixing method for heat exchange tube of U-shaped tube heat exchanger |
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| CN111398046A CN111398046A (en) | 2020-07-10 |
| CN111398046B true CN111398046B (en) | 2022-09-02 |
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| CN202010365812.1A Active CN111398046B (en) | 2020-04-30 | 2020-04-30 | Detection fixing device and fixing method for heat exchange tube of U-shaped tube heat exchanger |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007271123A (en) * | 2006-03-30 | 2007-10-18 | Kobelco & Materials Copper Tube Inc | Inner face-grooved heat transfer tube |
| CN102141457A (en) * | 2010-12-30 | 2011-08-03 | 陕西化建工程有限责任公司 | U-shaped heat exchange tube pressure test positioner |
| CN104502027A (en) * | 2014-12-19 | 2015-04-08 | 南通中船机械制造有限公司 | Pressure testing equipment for heat exchange tube |
| CN207066891U (en) * | 2017-09-04 | 2018-03-02 | 北京燕化正邦设备检修有限公司 | U-shaped heat exchanger single tube structure for pressure test |
| CN209014401U (en) * | 2018-10-12 | 2019-06-21 | 常州综研加热炉有限公司 | The heat exchanger tube structure for pressure test of heat exchange equipment |
| CN209372594U (en) * | 2019-01-16 | 2019-09-10 | 山东豪迈机械制造有限公司 | Pipe pressure test device |
| EP3598046A1 (en) * | 2018-07-20 | 2020-01-22 | Valeo Vyminiky Tepla, s.r.o. | Heat exchanger plate and heat exchanger comprising such a heat exchanger plate |
| CN210347342U (en) * | 2019-08-06 | 2020-04-17 | 威海石岛重工有限公司 | Device is verified to shell-and-tube heat exchanger heat exchange tube intensity |
-
2020
- 2020-04-30 CN CN202010365812.1A patent/CN111398046B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007271123A (en) * | 2006-03-30 | 2007-10-18 | Kobelco & Materials Copper Tube Inc | Inner face-grooved heat transfer tube |
| CN102141457A (en) * | 2010-12-30 | 2011-08-03 | 陕西化建工程有限责任公司 | U-shaped heat exchange tube pressure test positioner |
| CN104502027A (en) * | 2014-12-19 | 2015-04-08 | 南通中船机械制造有限公司 | Pressure testing equipment for heat exchange tube |
| CN207066891U (en) * | 2017-09-04 | 2018-03-02 | 北京燕化正邦设备检修有限公司 | U-shaped heat exchanger single tube structure for pressure test |
| EP3598046A1 (en) * | 2018-07-20 | 2020-01-22 | Valeo Vyminiky Tepla, s.r.o. | Heat exchanger plate and heat exchanger comprising such a heat exchanger plate |
| CN209014401U (en) * | 2018-10-12 | 2019-06-21 | 常州综研加热炉有限公司 | The heat exchanger tube structure for pressure test of heat exchange equipment |
| CN209372594U (en) * | 2019-01-16 | 2019-09-10 | 山东豪迈机械制造有限公司 | Pipe pressure test device |
| CN210347342U (en) * | 2019-08-06 | 2020-04-17 | 威海石岛重工有限公司 | Device is verified to shell-and-tube heat exchanger heat exchange tube intensity |
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