CN205643025U - High pressure float head heat -exchanger shell side pressure testing device - Google Patents
High pressure float head heat -exchanger shell side pressure testing device Download PDFInfo
- Publication number
- CN205643025U CN205643025U CN201620308854.0U CN201620308854U CN205643025U CN 205643025 U CN205643025 U CN 205643025U CN 201620308854 U CN201620308854 U CN 201620308854U CN 205643025 U CN205643025 U CN 205643025U
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- CN
- China
- Prior art keywords
- flange
- spacer flanger
- floating head
- heat exchanger
- high pressure
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a high pressure float head heat -exchanger shell side pressure testing device, two parts about the device divide into, the left side outward flange passes through nipple joint welded connection with right side floating head sealing flange, the shell side drum is connected the outside and is covered the flange that inclines, the outside lid inclines flange and outward flange below through O type circle A, O type circle B sealing connection, two O type circles are placed from top to bottom along axial direction, floating head sealing flange right side installation spacer flanger, the sealed clamping ring of right side installation of spacer flanger, raise the nose above water to breathe sealing flange and spacer flanger below through O type circle C, O type circle D sealing connection, the spacer flanger passes through O type circle E with the below of sealed clamping ring, O type circle F circle sealing connection, all axials and radially all adopted O type circle two pass sealed, the utility model provides a general pressure testing device structure complicated, the leakproofness is poor, manufacturing cost is high, the drawback of the high -pressure pressure testing of unable realization.
Description
Technical field
This utility model relates to heat exchanger technology field, particularly relates to high pressure movable tube sheets heat exchanger shell side pressure testing dress
Put.
Background technology
Shell-and-tube heat exchanger belongs to dividing wall type heat exchanger, is in charge of journey and shell side, and movable tube sheets heat exchanger is a kind of typical structure, main
Be used for managing, the shell side temperature difference big, tube bank needs often to clean occasion, is the main heat exchanger structure pattern of oil refining industry, compares
In fixed tube sheet type and U-tube formula, movable tube sheets heat exchanger shell side pressure testing is the most difficult, it is necessary to design specialized device could realize,
High pressure occasion more than 10MPa is more difficult.Floating head type designed by Chinese patent CN202471517U and CN202648886U
Heat exchanger pressure testing device, all uses outer packing seal, and its structure is similar to GB/T 151 2014 standard.According to this standard gauge
Fixed: outer stuffing box type heat exchanger shell side design pressure is difficult to higher than 2.5MPa, it is therefore necessary to design one meets original design
Theory, both can use in manufacturing enterprise, can be used for again user maintenance and uses, manufactures relatively easy, and good economy performance, reliability is high
High pressure shell pass type pressure testing device for floating head type heat exchanger is the most necessary.
Utility model content
Not enough in order to break through prior art, this utility model provides high pressure shell pass type pressure testing device for floating head type heat exchanger, should
Sealing structure can realize test pressure and be more than 10MPa, and simple in construction, safe and reliable, can be used for movable tube sheets heat exchanger in system
The shell side pressure testing of product and finished product, largely effective to floating tubesheet end heat exchanger tube joint leak check especially.
This utility model for achieving the above object, is achieved through the following technical solutions: a kind of high pressure movable tube sheets heat exchanger shell
Journey pressure testing device, including high pressure movable tube sheets heat exchanger body, it is characterised in that: high pressure movable tube sheets heat exchanger body includes heat exchange
Pipe, outward flange, floating tubesheet, stud, nut, spacer flanger, shell side cylinder, outer skull side flange, floating head sealing flange, sealing
Pressure ring and six O, be provided with distance sink tube, distance sink tube cylinder lever connecting rod below shell side cylinder, pull bar front end is connected by nut
Being fixed on support plate, this device is divided into left and right two parts, left side outward flange to be welded by pipe nipple with right side floating head sealing flange
Connecting, shell side cylinder connects outer skull side flange, and outer skull side flange and outward flange are by Stud connection, and stud two is provided with
Nut, is tightly connected by O A, O B below outer skull side flange and outward flange, and two O are in axial direction gone up
Lower placement, raises the nose above water to breathe to install spacer flanger on the right side of sealing flange, the right side installation seal joint of spacer flanger, floating head sealing flange,
Spacer flanger and seal joint are by Stud connection, and stud two is provided with nut, below floating head sealing flange and spacer flanger
Being tightly connected by O C, O D, two O are placed the most up and down, under spacer flanger and seal joint
Side is tightly connected by O E, O F circle, and two O are placed the most up and down, and O C and O F exists
In same radial position, all of the most all have employed O double sealing.
Outward flange end face in described technical scheme is machined with annular groove concentric at two, and annular groove size and spacing are according to O
Type circle size determines；Spacer flanger and seal joint internal diameter all have 45 ° of cone angles, and side is machined with annular groove respectively；Seal joint
Annular groove on 45 ° of cone angles that internal diameter has and side, it is possible to be placed on spacer flanger.
The device that described technical scheme relates to is equally applicable for low pressure seal, removes spacer flanger, the most all adopts
Seal with single track O, low pressure requirement can be met.
Specifically, sealing " Ш " type of dependence and seal realization, i.e. three " radially " seals, one " axially " seals.Three
" radially " respectively:The sealing of O B and O A composition is right；The sealing of O C and O D composition is right；O type
The sealing of circle F and O E composition is right；One " axially " is: the sealing of O C and O F composition is right.O C, O F
Existing " radially ", also there is " axially " sealing function.
The beneficial effects of the utility model are: owing to using O to seal, pretension and pressure testing state bolt load are less,
Flange thickness is made to greatly reduce.Compared with using solid forging flange with prior art, economy is much better；Prior art is adopted more
With lip-shaped sealed ring, packing seal etc., these sealing member sizes are relatively big, thus sealed letter chamber is the biggest, damages strength of flange
The biggest, and O sectional dimension is little, the most commercially available standard, also can make by oneself；By prior art, pressure testing device is unable to reach
The test pressure of more than 10MPa, and this utility model uses two pass O (or more) to seal, and can bear the highest pressure, and
Safe and reliable；In prior art, some can only use at maker, it is impossible in field device；This utility model is suitable for model
Enclose big.It is possible not only to use it can also be used to overhaul of the equipments is used in field device at maker.This utility model high pressure, low pressure are equal
Being suitable for, when for low pressure, " Ш " type seals and becomes the sealing of " Ц " type.I.e. remove spacer flanger (20), only mounting O-shaped rings B
(11), O F(22), can realize seal.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Reference is as follows: 1, shell side cylinder 2, distance sink tube 3, pull bar 4, support plate 5, nut 6, stud 7, the outside
Lid side flange 8, O A 9, outward flange 10, O B 11, heat exchanger tube 12, pipe nipple 13, floating tubesheet 14, O C
15, O D 16, floating head sealing flange 17, spacer flanger 18, O E 19, O F 20, seal joint.
Detailed description of the invention
As it is shown in figure 1, this utility model relates to a kind of high pressure shell pass type pressure testing device for floating head type heat exchanger, raise the nose above water to breathe including high pressure
Formula heat exchanger body, its mesohigh movable tube sheets heat exchanger body includes shell side cylinder (1), nut (5), stud (6), outer skull side
Flange (7), O A(8), outward flange (9), O B(10), heat exchanger tube (11), pipe nipple (12), floating tubesheet (13), O
C(14), O D(15), raise the nose above water to breathe sealing flange (16), spacer flanger (17), O E(18), O F(19), seal joint
(20), shell side cylinder (1) lower section is provided with distance sink tube (2), distance sink tube (2) cylinder lever connecting rod (3), and nut is passed through in pull bar (3) front end
(5) being fastened on support plate (4), this device is divided into left and right two parts, left side outward flange (9) and right side floating head sealing flange
(16) being welded to connect by pipe nipple (12), shell side cylinder (1) connects outer skull side flange (7), outer skull side flange (7) and outer method
Blue (9) are connected by stud (6), and stud (6) two is provided with nut (5), outer skull side flange (7) and outward flange (9) lower section
By O A(8), O B(10) be tightly connected, two O are placed the most up and down, raise the nose above water to breathe sealing flange (16)
Spacer flanger (17) is installed on right side, and seal joint (20), floating head sealing flange (16), centre are installed in the right side of spacer flanger (17)
Flange (17) is connected by stud (6) with seal joint (20), and stud (6) two is provided with nut (5), floating head sealing flange
(16) with spacer flanger (17) lower section by O C(14), O D(15) be tightly connected, two O are in axial direction gone up
Lower placement, the lower section of spacer flanger and seal joint is by O E(18), O F(19) circle is tightly connected, two O
Place the most up and down, and O C(14) with O F(19) in same radial position, all of axially and radially
All have employed O double sealing.
Outward flange (9) end face of described high pressure shell pass type pressure testing device for floating head type heat exchanger is machined with ring concentric at two
Groove, annular groove size and spacing determine according to O size.
Spacer flanger (17) and seal joint (20) internal diameter of described high pressure shell pass type pressure testing device for floating head type heat exchanger are equal
Having 45 ° of cone angles, side is machined with annular groove respectively.
45 ° of cone angles that seal joint (20) internal diameter of described high pressure shell pass type pressure testing device for floating head type heat exchanger has and side
Annular groove on face, it is possible to be placed on spacer flanger.
This device is equally applicable for low pressure seal, removes spacer flanger, the most all uses single track O to seal, i.e.
Low pressure requirement can be met.
Using method of the present utility model and operation principle be: first, will leave the outward flange (9) of allowance, raise the nose above water to breathe
Sealing flange (16) is welded to connect with pipe nipple (12), and welding point meets relevant criterion requirement, after being welded to connect, Welded Joints
Carry out Non-Destructive Testing, qualified after, process two end face of flange plane annular grooves, screw, the component after processing, meet and bear test high pressure
Intensity and toughness requirement, sealing surface roughness meets seal request, and the length of the component after processing should make floating head sealing flange
(16) occupy the length of floating tubesheet (13) 1/3rd, raise the nose above water to breathe the gap between sealing flange (16) and floating tubesheet (13) to the greatest extent
May be little.
Process spacer flanger (17), seal joint (20), by the component after processing, by requirement like above in annular groove first
Put into O A(8), O B(10), lift it and align with outer skull side flange (7), insert some stud 1(6), screw spiral shell
Female 1(5), make outward flange (9) end face be adjacent to outer skull side flange (7) end face, can realize at the first of " Ш " type sealing double
Road seals.
By O C(14) it is inserted in floating tubesheet (13), and floating head sealing flange (16) that reclines.Then, put in annular groove
Enter O D(15) spacer flanger (17), penetrate floating tubesheet (13), spacer flanger (17) as far as possible near raise the nose above water to breathe Sealing Method
Blue (16)；By above-mentioned identical order, mounting O-shaped rings F(19), O E(18), seal joint (20), make spacer flanger
(17), seal joint (20) screw aligns with floating head sealing flange (16) screw.Insert some studs (6), tightening nut (5),
Seal joint (20) and spacer flanger (17), spacer flanger (17) is made mutually to be adjacent to floating head sealing flange (16) end face,
" Ш " type of realization seal second at, radial dual seal at the 3rd.Meanwhile, the axial seal of two pass is also completed.Now,
Complete all of sealing schedule, can water filling pressure testing.
Claims (4)
1. a high pressure shell pass type pressure testing device for floating head type heat exchanger, including high pressure movable tube sheets heat exchanger body, it is characterised in that: high
Pressure movable tube sheets heat exchanger body includes heat exchanger tube, outward flange, floating tubesheet, stud, nut, spacer flanger, shell side cylinder, the outside
Lid side flange, floating head sealing flange, seal joint and six O, be provided with distance sink tube below shell side cylinder, distance sink tube connects
Pull bar, pull bar front end is fastened on support plate by nut, and this device is divided into left and right two parts, left side outward flange and right side
Floating head sealing flange is welded to connect by pipe nipple, and shell side cylinder connects outer skull side flange, and outer skull side flange leads to outward flange
Crossing Stud connection, stud two is provided with nut, is sealed even by O A, O B below outer skull side flange and outward flange
Connecing, two O are placed the most up and down, raise the nose above water to breathe to install spacer flanger on the right side of sealing flange, the right side peace of spacer flanger
Dress seal joint, floating head sealing flange, spacer flanger and seal joint are by Stud connection, and stud two is provided with nut, floating
Head sealing flange is tightly connected by O C, O D below spacer flanger, and two O are transferred in axial direction
Putting, spacer flanger is tightly connected by O E, O F with the lower section of seal joint, and two O are the most upper and lower
Place, and O C and O F are in same radial position, all of the most all have employed O double sealing.
High pressure shell pass type pressure testing device for floating head type heat exchanger the most according to claim 1, it is characterised in that: outward flange end face
It is machined with annular groove concentric at two, annular groove size and spacing to determine according to O size.
High pressure shell pass type pressure testing device for floating head type heat exchanger the most according to claim 1, it is characterised in that: spacer flanger and close
Envelope pressure ring internal diameter all has 45 ° of cone angles, and side is machined with annular groove respectively.
High pressure shell pass type pressure testing device for floating head type heat exchanger the most according to claim 3, it is characterised in that: seal joint internal diameter
Annular groove on the 45 ° of cone angles having and side is arranged on spacer flanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308854.0U CN205643025U (en) | 2016-04-14 | 2016-04-14 | High pressure float head heat -exchanger shell side pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308854.0U CN205643025U (en) | 2016-04-14 | 2016-04-14 | High pressure float head heat -exchanger shell side pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643025U true CN205643025U (en) | 2016-10-12 |
Family
ID=57065166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620308854.0U Expired - Fee Related CN205643025U (en) | 2016-04-14 | 2016-04-14 | High pressure float head heat -exchanger shell side pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205643025U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699201A (en) * | 2016-04-14 | 2016-06-22 | 沈阳汇博热能设备有限公司 | High-pressure floating-head heat exchanger shell side pressure test device |
| 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 |
| CN110285950A (en) * | 2019-06-21 | 2019-09-27 | 浙江高强度紧固件有限公司 | A kind of disc spring detection method and its detection device |
-
2016
- 2016-04-14 CN CN201620308854.0U patent/CN205643025U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699201A (en) * | 2016-04-14 | 2016-06-22 | 沈阳汇博热能设备有限公司 | High-pressure floating-head heat exchanger shell side pressure test device |
| CN105699201B (en) * | 2016-04-14 | 2018-09-14 | 沈阳汇博热能设备有限公司 | High pressure shell pass type pressure testing device for floating head type heat exchanger |
| 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 |
| CN110285950A (en) * | 2019-06-21 | 2019-09-27 | 浙江高强度紧固件有限公司 | A kind of disc spring detection method and its detection device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20190414 |