CN105823602A - Pressure vessel horizontal hydraulic pressure test enclosed space exhaust apparatus - Google Patents
Pressure vessel horizontal hydraulic pressure test enclosed space exhaust apparatus Download PDFInfo
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- CN105823602A CN105823602A CN201610313347.0A CN201610313347A CN105823602A CN 105823602 A CN105823602 A CN 105823602A CN 201610313347 A CN201610313347 A CN 201610313347A CN 105823602 A CN105823602 A CN 105823602A
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- pressure vessel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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Abstract
The invention discloses a pressure vessel horizontal hydraulic pressure test enclosed space exhaust apparatus. The pressure vessel horizontal hydraulic pressure test enclosed space exhaust apparatus includes a lower pipe box 4, a first connection pipe 1, a third connection pipe 5, an arc bend assembly 6, a bottom head 7, an exhaust pipe 9, and a pipe clamp 10 for fixing the exhaust pipe 9 and the third connection pipe 5. The pressure vessel horizontal hydraulic pressure test enclosed space exhaust apparatus utilizes the elastic bending performance of the exhaust pipe to ingeniously arrange the exhaust pipe in a sealed container of a heat exchanger to form a channel outside the container; at the same time the performance of the exhaust pipe during the container heat treatment process is not influenced by the temperature; the exhaust pipe can be taken out easily when the container is filled with water, so that the exhaust problem in the enclosed space for a pressure vessel horizontal hydraulic pressure test is effectively solved; and the pressure vessel horizontal hydraulic pressure test enclosed space exhaust apparatus has the advantages of being simple in structure, being safe and reliable, being convenient to operate and being easy for implementation.
Description
Technical field
The present invention relates to hydraulic test of pressure vessel device, particularly relate to a kind of heavy petrochemical equipment heat exchanger horizontal hydraulic test and close aperture vents device.
Background technology
Heat exchanger is a kind of straight tubular heat exchanger in petrochemical equipment, typically by cylinder, end socket, flange, potted component, perforate and adapter, bearing etc. six major part constitute vessel, its a length of 11 meters, a diameter of 2 meters, deadweight is 48 tons.Need to carry out the water pressure test after this vessel fabrication and carry out leak detection.When vertical for heat exchanger placement is carried out the water pressure test, the first adapter 1 is water inlet and Pressure gauge installing port, and the 3rd adapter 5 is for suppressing mouth, and the 4th adapter is discharge outlet, can smoothly complete water filling and draining.But vertical water pressure test exists following difficult point: 1. heat exchanger is longer, and it is big to fill weight after water, vertical suppress during product stability poor, be susceptible to unstability and topple over accident；2. water pressure gauge must be mounted in the first adapter 1 water pressure end cap of heat exchanger top, the installation of water pressure gauge during the water pressure test, observes, removes and be required to operator's work high above the ground, the most loaded down with trivial details but also dangerous；3. during vertical lifting, the second adapter 2 is positioned at directly over side hanger 3, erects lifting difficulty big.
For avoiding above-mentioned difficulties, it is considered to use horizontal hydraulic test: the first adapter 1 is for suppressing mouth and discharge outlet, and the 3rd adapter 5 is water inlet and connects pressure dial framework.But this heat exchanger tube side drum surface does not has to meet the adapter of tube side horizontal hydraulic test aerofluxus, and when fill level exceedes the distribution hole 11 on the winding pipe assembly 6 being connected with the 3rd adapter 5, residual gas will be sealed up in a container, it is impossible to gets rid of.
Exhaust apparatus present in existing patent, as Chinese invention patent 200910102338.7 discloses a kind of exhaust apparatus for hydraulic test of pressure vessel, it is characterized in that described exhaustor is flexible hose, its other end is fixed on higher than in the buoyant member of the water surface, is guided to outside pressure vessel by the gas in pressure vessel；Chinese invention patent 00113448.5 discloses the effective ways of a kind of pressure container water pressure test, it is characterised in that pressure testing equipment water filling, exhaust pipe mouth flange is dismantled, inserts special blind plate respectively, bolt on, and blind plate is installed pressure guiding pipe and is discharged by gas；Chinese utility model patent 201120132779.4 discloses a kind of hydrostatic testing tool for pressure container, it is characterised in that by concatenating the tee pipe coupling of band air bleeding valve between threeway base with back-shaped pipe, air bleeding valve is opened a period of time to there being water to discharge.
Analyzing and find, the pressure vessel exhaust device that these existing patents are used all is not suitable for heat exchanger water pressure test aerofluxus, and its reason is: 1. can not bear annealing heat treatment temperature；2. the water pressure test fills water final vacuum frock and vessel need to be carried out dismounting and can take out；3. cost is high, manufacture complexity.
For above-mentioned reasons, existing hydraulic test of pressure vessel exhaust apparatus is conducted in-depth research by the present inventor, design a kind of hydraulic test of pressure vessel exhaust apparatus, it is applied to horizontal hydraulic test, simple in construction, highly versatile, make, easy for installation, can take out in the case of container closure, and in container, there is no residue.
Summary of the invention
In order to overcome the problems referred to above, present inventor has performed and study with keen determination, design a kind of pressure vessel horizontal hydraulic experimental device of air, this device includes gas exhaust piping high temperature resistant, flexible, by holding one's breath inside container, region completes aerofluxus with extraneous UNICOM, it can also guarantee to take out in the case of container closure, and in container, there is no residue.
In particular it is object of the present invention to offer following aspect:
Aperture vents device is closed in first aspect, a kind of pressure vessel horizontal hydraulic test, and wherein, this pressure vessel includes lower tube box the 4, first adapter the 1, the 3rd adapter 5, winding pipe assembly 6, low head 7,
It is characterized in that, described winding pipe assembly 6 is curved, and this device also includes exhaustor 9 and for fixing exhaustor 9 and the pipe clamp 10 of the 3rd adapter 5,
Described exhaustor 9 is held one's breath region and external container inside UNICOM's container, it is achieved aerofluxus.
Second aspect, according to the exhaust apparatus described in first aspect, it is characterised in that described exhaustor 9 is being installed before low head 7, is distributed in pressure vessel.
The third aspect, according to the exhaust apparatus described in second aspect, it is characterized in that, described exhaustor 9 is inserted pressure vessel by the 3rd adapter 5, extends downwardly into winding pipe assembly 6 inwall curved channel, and stretches out from described distribution hole 11 until it pushes up firm described lower tube box 4 inwall top.
Fourth aspect, according to exhaust apparatus described in any one of the first to the third aspect, it is characterized in that, winding pipe assembly 6 one end is positioned at outside pressure vessel, the other end is positioned at inside pressure vessel, preferably it is provided with on distribution hole 11, more preferably this pressure vessel barrel without direct exhaust port being positioned at the one end within pressure vessel.
5th aspect, according to the exhaust apparatus described in first to fourth any one of aspect, it is characterised in that described exhaustor 9 is elastic high-temperature-resistant exhaust pipe, the most elongated thin-wall seamless stainless-steel pipe.
6th aspect, according to the exhaust apparatus described in the third aspect, when firm described lower tube box 4 inwall top is pushed up in described exhaustor 9 one end, with described pipe clamp 10, its other end and the 3rd adapter 5 are fixed.
Aperture vents method is closed in 7th aspect, a kind of pressure vessel horizontal hydraulic test, it is preferred to use the exhaust apparatus described in the first to the 6th any one of aspect is exhausted, it is characterised in that the method comprises the following steps:
Step 1): pressure vessel is inserted by the 3rd adapter 5 in exhaustor 9 one end, extends downwardly into winding pipe assembly 6 inwall curved channel, and stretch out from described distribution hole 11 until it pushes up firm described lower tube box 4 inwall top；
Step 2): with described pipe clamp 10, the other end and the 3rd adapter 5 of exhaustor 9 are fixed；
Step 3): fixing described pipe clamp 10 and the 3rd adapter 5.
Eighth aspect, according to the method for exhausting described in the 7th aspect, it is characterised in that before lower tube box described in welding equipment 4 with low head 7, perform step 1).
9th aspect, according to the method for exhausting described in the 7th aspect or eighth aspect, it is characterised in that described exhaustor 9 is elastic high-temperature-resistant exhaust pipe, the most elongated thin-wall seamless stainless-steel pipe.
Tenth aspect, according to the method for exhausting described in the 7th to the 9th any one of aspect, it is characterised in that this method for exhausting also includes:
Step 4): water filling in pressure vessel, after filling water, pipe clamp 10 is polished off with the 3rd adapter 5 coupling part, extract described exhaustor 9 out and carry out the water pressure test.
The present invention is had the advantage that to include:
(1) simple in construction, highly versatile, according to rate of water injection, the quantity of exhaustor can be carried out suitable adjustment；
(2) easy for production, installation and removal；
(3) low cost of manufacture, it is relatively wide that exhaustor can be selected for scope, cheap, align after dismounting and preserve reusable on different devices；
(4) exhaustor meets the manufacture requirements such as high temperature and pickling；
(5) exhaustor is in resilience state by behind external force and jail, container inner wall top, will not play back and forth, can ensure that the mouth of pipe is constantly in inwall top, emptying inner air.
Accompanying drawing explanation
Fig. 1 illustrates that heat converter structure and horizontal hydraulic water filling are held one's breath position view.
Fig. 2 illustrates that the exhaust apparatus pipeline according to a kind of preferred implementation of the present invention arranges schematic diagram.
Fig. 3 illustrates the method for exhausting according to a kind of preferred implementation of the present invention.
Drawing reference numeral illustrates:
1-first takes over
2-second takes over
3-hanger
4-lower tube box
5-the 3rd takes over
6-winding pipe assembly
7-low head
8-the 4th takes over
9-exhaustor
10-pipe clamp
11-distribution hole
Detailed description of the invention
Below by drawings and Examples, the present invention is described in more detail.Being illustrated by these, the features and advantages of the invention will become more apparent from clearly.
The most special word " exemplary " means " as example, embodiment or illustrative ".The here as any embodiment illustrated by " exemplary " should not necessarily be construed as preferred or advantageous over other embodiments.Although the various aspects of embodiment shown in the drawings, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
As it is shown in figure 1, this pressure vessel includes in first adapter the 1, second adapter 2, hanger 3, lower tube box the 4, the 3rd adapter 5, winding pipe assembly 6, low head 7 and the 4th adapter 8, and this pressure vessel barrel without direct exhaust port.Described 3rd adapter 5 includes water pressure end cap, water pressure end cap hole is M80 screwed hole, described winding pipe assembly 6 is curved, one end is positioned at outside pressure vessel, the other end is positioned at inside pressure vessel, and is provided with distribution hole 11 being positioned at the one end within pressure vessel, and described first adapter 1 is water inlet, when the water level in container exceedes the distribution hole 11 of winding pipe assembly end, container is internal will have large quantity of air to discharge.
Closing aperture vents device according to a kind of pressure vessel horizontal hydraulic test that the present invention provides, this device includes exhaustor 9 and pipe clamp 10,
Wherein, described exhaustor 9 is held one's breath region and external container inside UNICOM's container, it is achieved aerofluxus,
Described pipe clamp 10 is used for fixing exhaustor 9 and the 3rd adapter 5.
In one preferred embodiment, exhaustor 9 is fixed in the 3rd adapter 5 water pressure end cap by described pipe clamp 10, it is furthermore preferred that exhaustor 9 is fixed by pipe clamp 10 with the 3rd adapter 5 water pressure end cap spot welding.
As in figure 2 it is shown, described exhaustor 9 is before installing low head 7, the 3rd adapter 5 inserts pressure vessel, extend downwardly into winding pipe assembly 6 inwall curved channel, and stretch out from described distribution hole 11 until it pushes up firm described lower tube box 4 inwall top.
Also not installing low head 7 when being distributed into exhaustor 9 in pressure vessel, now pressure vessel is not to close, and can make exhaustor 9 and jail, lower tube box 4 inwall top by applying external force, make exhaustor 9 produce elastic deformation, make exhaustor 9 fixing in container.
In one preferred embodiment, described exhaustor 9 is elastic high-temperature-resistant exhaust pipe, has good plastic deformation performance and elastic deformation performance, easily inserts pressure vessel and extracts out, without lifting an eyebrow from pressure vessel；There is good resistance to elevated temperatures, when subsequent heat treatment lower tube box 4 is with low head 7, can guarantee that good stability.
In one preferred embodiment, described exhaustor 9 is elongated thin wall flexible seamless stainless-steel pipe, and it has outstanding sealing property and high-temperature-resistant high-pressure-resistant performance, safe and reliable, cheap, optional scope is wide, align after dismounting and preserve reusable on different devices；It has the least contact area with each contact position in container, does not results in the biggest frictional force, easily extract out during dismounting.
In one preferred embodiment, the thin wall flexible seamless stainless-steel pipe that described exhaustor 9 is a diameter of 6 millimeters, pipe thickness is 1 millimeter, depending on its length is according to heat exchanger size, preferred, for improving exhaust efficiency, the thin wall flexible seamless stainless-steel pipe that described exhaustor 9 uses a diameter of 6 millimeters of three tunnels, pipe thickness to be 1 millimeter.
In the present invention, described exhaustor 9 and jail, top, described lower tube box 4 inwall top is made by external force, exhaustor 9 can be made to produce elastic deformation, will not play back and forth, can guarantee that exhaust pipe mouth is always situated in lower tube box 4 inwall top, emptying inner air, avoids wide-angle to bend exhaustor 9, it is ensured that pipeline is unimpeded simultaneously in the process.
After exhaustor 9 pushes up jail lower tube box 4 inwall, with pipe clamp 10, exhaustor 9 other end is fixed at the 3rd adapter 5 hydraulic pressure lid, when exhaustor 9 uses three road thin wall flexible seamless stainless-steel pipes, have only to two pipe clamps 10 be fixed, preferably, under conditions of applying external force, pipe clamp 10 is fixed with the 3rd adapter 5 hydraulic pressure lid spot welding.
After exhaustor 9 and container are fixing, welding equipment lower tube box 4 and low head 7 circumferential weld, and carry out post weld heat treatment and Non-Destructive Testing.Then carry out the water pressure test, from water inlet water filling, after filling water, pipe clamp 10 is polished off with the 3rd adapter 5 hydraulic pressure lid, extract exhaustor 9 out, continue the follow-up water pressure test.
Described post weld heat treatment is that lower tube box 4 and low head 7 girth welding part carry out the heat treatment of 650 DEG C, and distance between exhaustor 9 and described thermal treatment zone is close, the concrete numerical value of described distance is by the structures shape of pressure vessel, so the present invention uses high-temperature-resistant flexible stainless-steel pipe.
The pressure vessel horizontal hydraulic that the present invention provides closes aperture vents device, has the advantage that compared with other exhaust apparatus
The first, the present invention selects diameter 6 millimeters, the flexible seamless stainless-steel pipe of pipe thickness 1 millimeter has good elastic deformability and plastic deformation ability, the top in container inner sealing region can be arrived through reasonably bending, UNICOM closed area and the external world realize aerofluxus, easily can extract out in the case of guaranteeing container closure after aerofluxus, and noresidue in container；
The second, stainless steel selected by exhaustor 9, can bear the mal-conditions such as high temperature and pickling that flexible pipe cannot realize, meet the manufacture requirements of pressure vessel；
3rd, exhaustor 9 is in resilience state by external force behind jail, top, top, container inner sealing region, will not play back and forth, can ensure that exhaustor 9 mouth of pipe is always situated in inwall top, emptying inner air；
4th, according to rate of water injection, the quantity of exhaustor 9 can be carried out suitable adjustment；
5th, this device makes simple, with low cost.
Aperture vents method is closed, as it is shown on figure 3, the method includes according to a kind of pressure vessel horizontal hydraulic test that the present invention provides:
Step 1): pressure vessel is inserted by the circular hole in the 3rd adapter 5 in exhaustor 9 one end, extends downwardly into winding pipe assembly 6 inwall curved channel, and stretch out from described distribution hole 11 until it pushes up firm described lower tube box 4 inwall top；
It should be noted that and performing step 1) during, it should avoid exhaustor 9 wide-angle to bend, it is ensured that pipeline is unobstructed.
Step 2): with described pipe clamp 10, exhaustor 9 other end and the 3rd adapter 5 are fixed；
Step 3): fixing described pipe clamp 10 and the 3rd adapter 5.
Preferably, Duct fixing clamp 10 and the 3rd adapter hydraulic pressure lid by the way of spot welding.Exhaustor 9 is made to be in resilience state.
In one preferred embodiment, the method also includes step 4): water filling in pressure vessel, after filling water, pipe clamp 10 is polished off with the 3rd adapter 5 coupling part, extract described exhaustor 9 out and carry out the follow-up water pressure test.
The method, before low head 7 is installed, is distributed into exhaustor 9 in container, and can take out smoothly in the case of guaranteeing container closure after filling.
In describing the invention, it should be noted that, term " on ", D score, " interior ", the orientation of the instruction such as " outward " " front " " afterwards " or position relationship be based on the orientation under duty of the present invention or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Above in association with preferred embodiment describing the present invention, but these embodiments are only exemplary, only play illustrative effect.On this basis, the present invention can be carried out multiple replacement and improvement, these each fall within protection scope of the present invention.
Claims (10)
1. aperture vents device is closed in a pressure vessel horizontal hydraulic test, wherein, this pressure vessel includes lower tube box (4), the first adapter (1), the 3rd adapter (5), winding pipe assembly (6), low head (7)
It is characterized in that, described winding pipe assembly (6) is curved, and this device also includes exhaustor (9) and is used for the pipe clamp (10) fixing exhaustor (9) with the 3rd adapter (5),
Described exhaustor (9) is held one's breath inside UNICOM's container region and external container, it is achieved aerofluxus.
Exhaust apparatus the most according to claim 1, it is characterised in that described exhaustor (9), before installing low head (7), is distributed in pressure vessel.
Exhaust apparatus the most according to claim 2, it is characterized in that, described exhaustor (9) is inserted pressure vessel by the 3rd adapter (5), extend downwardly into winding pipe assembly (6) inwall curved channel, and stretch out from described distribution hole (11) until it pushes up firm described lower tube box (4) inwall top.
4. according to the exhaust apparatus described in any one of claims 1 to 3, it is characterized in that, winding pipe assembly (6) one end is positioned at outside pressure vessel, the other end is positioned at inside pressure vessel, preferably it is provided with on distribution hole (11), more preferably this pressure vessel barrel without direct exhaust port being positioned at the one end within pressure vessel.
5. according to the exhaust apparatus described in any one of Claims 1-4, it is characterised in that described exhaustor (9) is elastic high-temperature-resistant exhaust pipe, the most elongated thin-wall seamless stainless-steel pipe.
Exhaust apparatus the most according to claim 3, when firm described lower tube box (4) inwall top is pushed up in described exhaustor (9) one end, fixes its other end and the 3rd adapter (5) with described pipe clamp (10).
7. aperture vents method is closed in a pressure vessel horizontal hydraulic test, it is preferred to use be exhausted according to the exhaust apparatus described in any one of claim 1 to 6, it is characterised in that the method comprises the following steps:
Step 1): pressure vessel is inserted by the 3rd adapter (5) in exhaustor (9) one end, extend downwardly into winding pipe assembly (6) inwall curved channel, and stretch out from described distribution hole (11) until it pushes up firm described lower tube box (4) inwall top；
Step 2): with described pipe clamp (10), the other end and the 3rd adapter (5) of exhaustor (9) are fixed；
Step 3): fixing described pipe clamp (10) and the 3rd adapter (5).
Method for exhausting the most according to claim 7, it is characterised in that before lower tube box described in welding equipment (4) with low head (7), performs step 1).
9. according to the method for exhausting described in claim 7 or 8, it is characterised in that described exhaustor (9) is elastic high-temperature-resistant exhaust pipe, the most elongated thin-wall seamless stainless-steel pipe.
10. according to the method for exhausting described in any one of claim 7 to 9, it is characterised in that this method for exhausting also includes:
Step 4): water filling in pressure vessel, after filling water, pipe clamp (10) is polished off with the 3rd adapter (5) coupling part, extracts described exhaustor 9 out and carry out the follow-up water pressure test.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313347.0A CN105823602B (en) | 2016-05-12 | 2016-05-12 | A kind of pressure vessel horizontal hydraulic test enclosure space exhaust apparatus |
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| CN201610313347.0A CN105823602B (en) | 2016-05-12 | 2016-05-12 | A kind of pressure vessel horizontal hydraulic test enclosure space exhaust apparatus |
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| CN105823602A true CN105823602A (en) | 2016-08-03 |
| CN105823602B CN105823602B (en) | 2019-02-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107687978A (en) * | 2017-09-29 | 2018-02-13 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of U-tube heat exchanger horizontal hydraulic exhaust apparatus |
| CN108913862A (en) * | 2018-09-29 | 2018-11-30 | 张化机（苏州）重装有限公司 | The heat treatment tooling of nuclear power safety injection tank end socket |
| CN109855949A (en) * | 2018-12-20 | 2019-06-07 | 新兴河北工程技术有限公司 | A kind of metal tube water pressure test exhaust system |
| CN114068047A (en) * | 2021-11-15 | 2022-02-18 | 中核检修有限公司 | Auxiliary water inlet device for hydrostatic test |
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| CN205785678U (en) * | 2016-05-12 | 2016-12-07 | 哈电集团（秦皇岛）重型装备有限公司 | Aperture vents device is closed in a kind of pressure vessel horizontal hydraulic test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107687978A (en) * | 2017-09-29 | 2018-02-13 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of U-tube heat exchanger horizontal hydraulic exhaust apparatus |
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| CN109855949A (en) * | 2018-12-20 | 2019-06-07 | 新兴河北工程技术有限公司 | A kind of metal tube water pressure test exhaust system |
| CN109855949B (en) * | 2018-12-20 | 2021-11-30 | 新兴河北工程技术有限公司 | Metal pipe hydraulic test exhaust system |
| CN114068047A (en) * | 2021-11-15 | 2022-02-18 | 中核检修有限公司 | Auxiliary water inlet device for hydrostatic test |
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