CN202033254U - Shell pass type pressure testing device for floating head type heat exchanger - Google Patents
Shell pass type pressure testing device for floating head type heat exchanger Download PDFInfo
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- CN202033254U CN202033254U CN2010206907202U CN201020690720U CN202033254U CN 202033254 U CN202033254 U CN 202033254U CN 2010206907202 U CN2010206907202 U CN 2010206907202U CN 201020690720 U CN201020690720 U CN 201020690720U CN 202033254 U CN202033254 U CN 202033254U
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- heat exchanger
- pressure testing
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- shell
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Abstract
The utility model discloses a shell pass type pressure testing device for a floating head type heat exchanger. The shell pass type pressure testing device comprises a first flange, a second flange, a cylinder, a wedge slot and a sealing ring, wherein the first flange and a heat exchanger shell are paired, the inner diameter of the second flange is larger than the outer diameter of a floating pipe plate, the cylinder is connected between the first flange and the second flange, the wedge slot is arranged at the inner diameter of the second flange, the sealing ring is arranged between the wedge slot and the outer diameter of the floating pipe plate and compacted and sealed by adopting a pressure ring; and the pressure ring is pushed by a third flange through a fastening bolt, wherein the third flange and the second flange are paired. In the utility model, a floating head cover and a floating head pipe box during the shell pass pressure testing process can be replaced, and the sealing ring is compressed by utilizing the pressure ring and shell pass is sealed by means of the first flange, the second flange and the shell between the two, thus being capable of observing the leakage situation of a pipe orifice welding joint from two sides of a fixed pipe plate and the floating pipe plate respectively while meeting the pressure testing on the shell pass of the heat exchanger, and further entirely achieving testing purpose.
Description
Technical field
The utility model relates to pressure vessel manufacturing inspection field, relates in particular to a kind of device that is used for the pressure testing of movable tube sheets heat exchanger shell side.
Background technology
Making the field at pressure vessel, is the security that guarantees pressure-containing member, generally adopts the mode of the hydraulic testing that the equipment after making is carried out pressure test, to guarantee pressure-containing member or the bearing capacity of welding position reaches designing requirement.
Traditional movable tube sheets heat exchanger structure as shown in Figure 1, it mainly is made up of bobbin carriage 1, heat exchanger shell 2, floating head bobbin carriage 3 and tube bank, restrain and then correspondingly form by stationary tubesheet 4, heat exchanger tube 5 and floating tubesheet 6, wherein floating tubesheet 6 one ends are equipped with floating head 7, and the heat exchanger tube 5 two ends mouths of pipe are welded to connect by welding joint 8 and described stationary tubesheet 4 and floating tubesheet 6; For guaranteeing the reliably working of final heat interchanger, the weld strength of palpus strict guarantee welding joint 8 makes it can reach the bearing capacity of design.After the manufacturing of finishing tube bank, need to adopt the hydraulic testing that all mouth of pipe welding joints 8 are carried out ruggedness test.Need carry out tube side test and shell side test respectively according to the requirement of safety regulations, to check the ability to bear of 8 pairs of tube side pressure of mouth of pipe welding joint and shell side pressure respectively, when carrying out the tube side pressure test, by means of bobbin carriage 1 and floating head 7 compositions structure as shown in Figure 2, adopt steel plate that the hot water inlet 10 and the hot water outlet 9 of bobbin carriage 1 are carried out carrying out the hydraulic testing after the shutoff, in check heat exchanger tube 5 bearing capacities, can check anhydrous seepage by the inboard of stationary tubesheet 4 and floating tubesheet 6, to judge whether the pressure-bearing of mouth of pipe welding joint 8 is qualified under the effect of tube side pressure; When carrying out the shell side pressure test, by means of heat exchanger shell 2, floating head 7, floating head bobbin carriage 3 compositions structure as shown in Figure 3, adopt steel plate that the cooling water inlet 11 and the cooling water outlet 12 of housing 2 are carried out carrying out the hydraulic testing after the shutoff, in check housing 2 bearing capacities, can only test to the mouth of pipe welding joint 8 of stationary tubesheet 4 one sides, and can not test and observe the mouth of pipe welding joint 8 of floating tubesheet 6 one sides, for heat interchanger safe in utilization after coming into operation stays corresponding hidden danger.Given this, be necessary to provide a kind of movable tube sheets heat exchanger shell side pressure testing device, conveniently the weld strength of line up welding joint 8 is tested when carrying out the shell side hydraulic testing.
The utility model content
At above purpose, the utility model provides a kind of movable tube sheets heat exchanger shell side pressure testing device, can be when carrying out the shell side hydraulic testing, and easily the mouth of pipe welding joint of stationary tubesheet and floating tubesheet is observed and checked.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of movable tube sheets heat exchanger shell side pressure testing device, its composition comprises first flange with the pairing of heat exchanger shell flange, internal diameter is greater than second flange of floating tubesheet external diameter, be connected with cylindrical shell between described first flange and second flange, the described second flange internal diameter has the wedge groove, O-ring seal is set and adopts trim ring to compress sealing between wedge groove and the floating tubesheet external diameter; Described trim ring is promoted by fastening bolt by the 3rd flange with the pairing of second flange.
Further, between the described shell flange and first flange, and it is fastening all to adopt studs to carry out between described second flange and the 3rd flange.
Movable tube sheets heat exchanger shell side pressure testing device described in the utility model can replace the floating head in the existing shell side pressure testing process and raise the nose above water to breathe bobbin carriage, the housing that utilizes trim ring to compress O-ring seal and reach between the two by first flange, second flange forms sealing to shell side, when satisfying heat exchanging device shell side and carrying out pressure testing, the leakage dew situation of mouth of pipe welding joint can be observed respectively by stationary tubesheet and floating tubesheet both sides, the purpose of check can be reached fully.
Description of drawings
According to embodiment and accompanying drawing the utility model is described in further detail below.
Fig. 1 is the composition structural representation of movable tube sheets heat exchanger commonly used;
Fig. 2 is the composition structural representation of restraining when carrying out the tube side hydraulic testing;
Fig. 3 is the composition structural representation of restraining when carrying out the shell side hydraulic testing;
Fig. 4 is that movable tube sheets heat exchanger shell side pressure testing device described in the utility model is formed structural drawing;
Fig. 5 is the composition structural drawing when utilizing described movable tube sheets heat exchanger shell side pressure testing device to carry out the shell side hydraulic testing.
Among the figure:
1, bobbin carriage; 2, heat exchanger shell; 3, floating head bobbin carriage; 4, stationary tubesheet; 5, heat exchanger tube; 6, floating tubesheet; 7, floating head; 8, welding joint; 9, hot water outlet; 10, hot water inlet; 11, cooling water inlet; 12, cooling water outlet; 13, first flange; 14, cylindrical shell; 15, second flange; 16, the 3rd flange; 17, trim ring; 18, O-ring seal; 19, shell flange.
Embodiment
Movable tube sheets heat exchanger shell side pressure testing device described in the utility model is formed as shown in Figure 4, its composition comprises first flange 13 with 19 pairings of heat exchanger shell flange, internal diameter is greater than second flange 15 of floating tubesheet 6 external diameters, be connected with cylindrical shell 14 between described first flange 13 and second flange 15, described second flange, 15 internal diameters have the wedge groove, O-ring seal 18 is set and adopts trim ring 17 to compress sealing between wedge groove and floating tubesheet 6 external diameters; Described trim ring 17 is promoted by fastening bolt by the 3rd flange 16 with 15 pairings of second flange.
When carrying out the shell side hydraulic testing, for helping heat exchanger shell 2, form pressure testing structure as shown in Figure 5, link to each other with shell flange 19 by first flange 13 of studs described movable tube sheets heat exchanger shell side pressure testing device; It is fastening also to adopt studs to carry out between second flange 15 and the 3rd flange 16, and passes through the fastening of studs, makes trim ring 17 promote O-ring seals 18 and enters wedge groove formation sealing.
When satisfying heat exchanging device shell side and carrying out pressure testing, situation is revealed in the leakage of can be respectively observing mouth of pipe welding joint 8 by stationary tubesheet 4 and floating tubesheet 6 both sides, can reach the purpose of check fully.
The advantage that more than shows and described principal character of the present utility model and had.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the utility model also has some variations and improves under the prerequisite that does not break away from the utility model purport and scope; as adopt different securing members, adopt different O-ring seal etc., these changes and improvements all fall in claimed the utility model scope.
Claims (2)
1. movable tube sheets heat exchanger shell side pressure testing device, be characterised in that: its composition comprises first flange (13) with heat exchanger shell flange (19) pairing, internal diameter is greater than second flange (15) of floating tubesheet (6) external diameter, be connected with cylindrical shell (14) between described first flange (13) and second flange (15), described second flange (15) internal diameter has the wedge groove, O-ring seal (18) is set between wedge groove and floating tubesheet (6) external diameter and adopts trim ring (17) to compress sealing; Described trim ring (17) is promoted by fastening bolt by the 3rd flange (16) with second flange (15) pairing.
2. movable tube sheets heat exchanger shell side pressure testing device according to claim 1 is characterised in that: between described shell flange (19) and first flange (13), and it is fastening all to adopt studs to carry out between described second flange (15) and the 3rd flange (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206907202U CN202033254U (en) | 2010-12-21 | 2010-12-21 | Shell pass type pressure testing device for floating head type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206907202U CN202033254U (en) | 2010-12-21 | 2010-12-21 | Shell pass type pressure testing device for floating head type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033254U true CN202033254U (en) | 2011-11-09 |
Family
ID=44895548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206907202U Expired - Fee Related CN202033254U (en) | 2010-12-21 | 2010-12-21 | Shell pass type pressure testing device for floating head type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033254U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322836A (en) * | 2012-03-19 | 2013-09-25 | 株式会社神户制钢所 | Shell and tube type heat exchange, and assembling method thereof |
| CN103616140A (en) * | 2013-12-06 | 2014-03-05 | 刘明生 | Pressure testing mould of floating head heat exchanger |
| CN107543658A (en) * | 2017-10-23 | 2018-01-05 | 张化机（苏州）重装有限公司 | A kind of mounting structure of test fixture and floating head heat exchanger |
| CN107560795A (en) * | 2017-07-24 | 2018-01-09 | 北京北机机电工业有限责任公司 | Cylinder sealing property detection device |
| CN108169026A (en) * | 2017-11-29 | 2018-06-15 | 西安航天动力机械有限公司 | A kind of inspection tooling for high-pressure bottle hydraulic test |
| CN109253843A (en) * | 2017-07-14 | 2019-01-22 | 新能能源有限公司 | A kind of heat exchanger auxiliary leakage detection apparatus and heat exchanger leak hunting method |
| CN109990095A (en) * | 2019-04-29 | 2019-07-09 | 武汉检安石化工程有限公司 | A kind of pipeline of floating-head heat exchanger beam shell side structure for pressure test |
-
2010
- 2010-12-21 CN CN2010206907202U patent/CN202033254U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322836A (en) * | 2012-03-19 | 2013-09-25 | 株式会社神户制钢所 | Shell and tube type heat exchange, and assembling method thereof |
| CN103322836B (en) * | 2012-03-19 | 2015-07-29 | 株式会社神户制钢所 | Shell-and-tube exchanger and assemble method thereof |
| CN103616140A (en) * | 2013-12-06 | 2014-03-05 | 刘明生 | Pressure testing mould of floating head heat exchanger |
| CN103616140B (en) * | 2013-12-06 | 2016-01-20 | 刘明生 | The pressure testing mold of movable tube sheets heat exchanger |
| CN109253843A (en) * | 2017-07-14 | 2019-01-22 | 新能能源有限公司 | A kind of heat exchanger auxiliary leakage detection apparatus and heat exchanger leak hunting method |
| CN107560795A (en) * | 2017-07-24 | 2018-01-09 | 北京北机机电工业有限责任公司 | Cylinder sealing property detection device |
| CN107560795B (en) * | 2017-07-24 | 2019-09-20 | 北京北机机电工业有限责任公司 | Cylinder sealing property detection device |
| CN107543658A (en) * | 2017-10-23 | 2018-01-05 | 张化机（苏州）重装有限公司 | A kind of mounting structure of test fixture and floating head heat exchanger |
| CN108169026A (en) * | 2017-11-29 | 2018-06-15 | 西安航天动力机械有限公司 | A kind of inspection tooling for high-pressure bottle hydraulic test |
| CN109990095A (en) * | 2019-04-29 | 2019-07-09 | 武汉检安石化工程有限公司 | A kind of pipeline of floating-head heat exchanger beam shell side structure for pressure test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |