CN219866377U - Internal flow type jacketed ball valve - Google Patents
Internal flow type jacketed ball valve Download PDFInfo
- Publication number
- CN219866377U CN219866377U CN202321321612.1U CN202321321612U CN219866377U CN 219866377 U CN219866377 U CN 219866377U CN 202321321612 U CN202321321612 U CN 202321321612U CN 219866377 U CN219866377 U CN 219866377U
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- Prior art keywords
- flange
- shell
- valve body
- flow
- ball valve
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- 238000003466 welding Methods 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 230000004907 flux Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000005219 brazing Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model belongs to the field of chemical equipment, and discloses an internal flow type jacketed ball valve which comprises a valve body, wherein a first flange and a second flange are arranged on two sides of the valve body; the outer side of the valve body is provided with a first shell, a first cavity is formed by surrounding the first shell and the valve body, and the first through hole and the second through hole are communicated with the first cavity; the inner side of the first shell is provided with a first flow guiding module which is positioned at the intersection position of the first shell and the valve body, and the first flow guiding module is used for guiding the fluid at the intersection position of the first shell and the valve body to a direction away from the intersection position of the first shell and the valve body; at least one of the first diversion module and the valve body and the first shell and the valve body is connected with each other through welding flux in a sealing way. According to the jacket ball valve, the diversion structure is additionally arranged at the specific position of the first shell, and meanwhile, the welding flux is filled between the diversion structure and the valve body, so that the fluid impact force is reduced, the welding flux sealing strength is improved, and the leakage risk is low.
Description
Technical Field
The utility model relates to the field of chemical equipment, in particular to an internal flow type jacketed ball valve.
Background
At present, in the fine chemical industry, the production and the blanking of high-melting-point materials are always difficult, the melting point of the materials is operated at 110 ℃, and in the blanking process, once the temperature of the materials is reduced to be close to the melting point, solids are separated out, so that a blanking ball valve is easy to form blockage, and the blanking is unsmooth.
At present, the ball valve adopts a heat-insulating jacket ball valve commonly used in the market, saturated steam at 150 ℃ is introduced, and although the ball valve can play a good role in heating on most flow channels, problems still occur in the actual application process, and the ball valve is specifically as follows:
1. the steam circulation at the two sides of the ball valve outer jacket is not smooth, a dead zone can be formed, the steam heating effect of the part is poor, the good heating effect can not be generated on the flowing material, the temperature of the material can be reduced to be near the melting point, then solids are separated out, and the discharging is affected due to frequent blockage in production.
2. The jacket ball valve has the advantages that steam needs to be independently connected into the pipeline from the steam inlets and outlets on two sides of the jacket, so that the pipe is consumed, and the workload of connecting pipes is increased.
3. Meanwhile, a reverse condensing port is designed for steam reverse condensation.
In order to solve the problem, CN202210673264.8 discloses a thermal insulation jacket ball valve and a connecting structure of the thermal insulation jacket ball valve and a pipeline, wherein the thermal insulation jacket ball valve comprises a ball valve consisting of a valve body, a ball body, a valve seat, a valve cover, a valve rod, a filler gland, a screw and a handle, and ball valve end flanges connected with the pipeline are respectively arranged at two ends of the valve body; a ball valve jacket is coated on the outer surface of the outer peripheral surface of the valve body, and a first heating medium residence space is arranged between the inner surface of the ball valve jacket and the outer surface of the valve body; at least one first heating medium flow hole is formed in each ball valve end flange, and the first heating medium flow holes are communicated with the first heating medium residence space so that heating mediums can enter and exit the first heating medium residence space. At least one second heating medium flow hole is formed in each pipeline flange.
The technical problem is perfectly solved by the scheme.
However, in the use process of the scheme, a problem exists in that the high-temperature steam flow can impact the intersection position of the jacket and the valve body, the welding of the intersection position of the jacket and the valve body is weak, and the jacket is easy to corrode. After a long period of use, problems of solder joint leakage may occur.
Therefore, the prior art has the following problems: how to improve the service life of the thermal insulation jacket ball valve and reduce the leakage risk caused by fluid impact and corrosion.
Disclosure of Invention
The utility model aims to provide an internal flow type jacketed ball valve, which is characterized in that a diversion structure is added at a specific position of a first shell, and welding flux is filled between the diversion structure and a valve body, so that the fluid impact force is reduced, the welding flux sealing strength is improved, and the leakage risk is low.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the inner flow type jacketed ball valve comprises a valve body, wherein a first flange and a second flange are arranged on two sides of the valve body; the outer side of the valve body is provided with a first shell, the first flange is provided with a first through hole, and the second flange is provided with a second through hole; the first shell and the valve body surround to form a first cavity, and the first through hole and the second through hole are communicated with the first cavity; the inner side of the first shell is provided with a first flow guiding module which is positioned at the intersection position of the first shell and the valve body, and the first flow guiding module is used for guiding the fluid at the intersection position of the first shell and the valve body to a direction away from the intersection position of the first shell and the valve body; at least one of the first diversion module and the valve body and the first shell and the valve body is connected with each other through welding flux in a sealing way.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the diversion module is additionally arranged in the jacket (namely the first shell) of the traditional jacket ball valve, and fluid is diversion to a position far away from a welding line through the diversion module; and gaps at the intersection positions of the flow guide module, the first flange and the second flange can be filled with brazing flux, so that the sealing with a larger area is realized, and the sealing property and the corrosion resistance are improved.
Drawings
FIG. 1 is a cross-sectional view of example 1 of the present utility model;
fig. 2 is an enlarged view of part a of fig. 1 of embodiment 1 of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-2, an internal flow type jacketed ball valve comprises a valve body 1, wherein a first flange 2 and a second flange 3 are arranged on two sides of the valve body 1; the outer side of the valve body 1 is provided with a first shell 4, the first flange 2 is provided with a first through hole 5, and the second flange 3 is provided with a second through hole 6; the first shell 4 and the valve body 1 are surrounded to form a first chamber 7, and the first through hole 5 and the second through hole 6 are communicated with the first chamber 7; the inner side of the first shell 4 is provided with a first flow guiding module which is positioned at the intersection position of the first shell 4 and the valve body 1 and is used for guiding fluid at the intersection position of the first shell 4 and the valve body 1 to a direction far away from the intersection position of the first shell 4 and the valve body 1; at least one of the first diversion module and the valve body 1 and the first shell 4 and the valve body 1 is connected in a sealing way through welding flux B. Preferably, the number of the first through holes 5 and the second through holes 6 is plural.
In the actual processing process, the first shell 4 is generally divided into two halves for processing, and when the two first shells 4 are sleeved on the valve body 1, the two first shells 4 are spliced outside the valve body 1; the split surfaces of the two halves of the first housing 4 should be welded after being spliced at the position of the valve stem of the valve body 1 to obtain the first housing 4.
The above operations only enable the assembly of the first housing 4, the first housing 4 being assembled to the valve body 1, the first housing 4 and the first flange 2, the second flange 3 being welded together, which implies that the first housing 4 and the valve stem cover 11 must be welded together.
In this embodiment, the first diversion modules are welded at both ends of the first casing 4 and at positions corresponding to the valve rod sleeve 11 in advance; the first flow guiding module is generally provided with three surfaces, namely a flow guiding surface 8, a connecting surface 9 and a welding surface 10; the connecting surface 9 is used for welding connection with the inner wall of the first shell 4; the welding surface 10 is used for welding the surface corresponding to the valve body 1; the straight surface fluid of the diversion surface 8 is used for diversion, so the diversion surface 8 is generally a slope.
Here, the welding of the welding surface 10 to the corresponding surface of the valve body 1 is emphasized, and a gap is provided between the welding surface 10 and the corresponding surface of the valve body 1, which gap is not large, and the liquid brazing flux B is filled and then heated to solidify the flux. Then welding the corresponding positions of the first shell 4 and the valve body 1 together, specifically referring to fig. 2, the welding B in fig. 2 extends from the gap to the upper surface of the first shell; the above-described "face corresponding to the valve body 1" means: for example, the first deflector module is located adjacent to the first flange 2; the above-described "position of the valve body 1" means: for example, the first housing 4 and the first flange 2 are connected at a position and slightly above the position.
Through the processing, the first diversion module can be processed in the first shell 4; the first flow directing module has two functions: 1. diversion, avoiding fluid from impacting the weld; 2. the welding area is obviously increased, and leakage is avoided.
As a further optimization of this embodiment, the cross section of the first flow guiding module along the axial direction of the valve body 1 is triangular. The first flow guiding module corresponding to the first flange 2 is an annular structure with the axis of the valve body 1 as the center, the local section is triangular, and the first flow guiding module corresponding to the valve rod sleeve 11 is an annular structure with the axis of the valve rod sleeve 11 as the center, and the local section is triangular.
More precisely, the first diversion module comprises a first diversion body 12 and a second diversion body 13, wherein the first diversion body 12 is positioned at the position where the first shell 4 and the first flange 2 are intersected and the position where the first shell 4 and the second flange 3 are intersected, and the second diversion body 13 is positioned at the position where the first shell 4 and the valve rod sleeve 11 of the valve body 1 are intersected.
As a further refinement of the embodiment, the device further comprises a third flange 14 connected with the first flange 2 and a fourth flange 15 connected with the second flange 3, wherein the third flange 14 and the fourth flange 15 are connected with a fluid pipeline 16; the third flange 14 and the fourth flange 15 are respectively provided with a through hole corresponding to the first through hole and the second through hole; the outer side of the fluid pipeline 16 is provided with a second shell 17, and the second shell 17 is in sealing connection with the third flange 14 and the fourth flange 15;
the third flange 14 and a second shell 17 corresponding to the third flange 14 form a second chamber 18; the fourth flange 15 and the second housing 17 corresponding to the fourth flange 15 form a third chamber 19;
the second chamber 18, the first chamber 7 and the third chamber 19 are communicated in sequence.
In some preferred embodiments, a second diversion module 20 is also included; the second flow guiding module 20 is connected to the inner side of the second housing 17, the second flow guiding module 20 is used for guiding the fluid at the intersection position of the second housing 17 and the third flange 14, the fourth flange 15 to a direction away from the intersection position of the second housing 17 and the third flange 14, the fourth flange 15, and the basic structure of the second flow guiding module 20 is the same as that of the first flow guiding module, and will not be repeated here.
Claims (10)
1. The inner flow type jacketed ball valve comprises a valve body, wherein a first flange and a second flange are arranged on two sides of the valve body; the outer side of the valve body is provided with a first shell, the first flange is provided with a first through hole, and the second flange is provided with a second through hole; the first shell and the valve body surround to form a first cavity, and the first through hole and the second through hole are communicated with the first cavity; the device is characterized in that a first flow guiding module is arranged on the inner side of the first shell and is positioned at the intersection position of the first shell and the valve body, and the first flow guiding module is used for guiding fluid at the intersection position of the first shell and the valve body in a direction away from the intersection position of the first shell and the valve body; at least one of the first diversion module and the valve body and the first shell and the valve body is connected with each other through welding flux in a sealing way.
2. The internal flow jacketed ball valve of claim 1, wherein the first flow guide module is triangular in cross-section in the axial direction of the valve body.
3. The internal flow jacketed ball valve of claim 1, wherein the first flow guide module comprises a first flow guide body positioned at a location where the first housing and the first flange meet and/or at a location where the first housing and the second flange meet.
4. The internal flow jacketed ball valve of claim 3, wherein the first flow guide module comprises a second flow guide located where the first housing meets the stem sleeve of the valve body.
5. The internal flow jacketed ball valve of claim 4, wherein the side of the first flow conductor adjacent to the first flange or the second flange, and the space between the first flange or the second flange is filled with brazing flux;
and brazing flux is filled between one surface of the second current-conducting body adjacent to the valve rod sleeve and the outer surface of the valve rod sleeve.
6. The internal flow jacketed ball valve of claim 4, wherein the first housing is sealingly connected to the first flange and the first housing is sealingly connected to the second flange by a brazing flux.
7. The internal flow jacketed ball valve of any of claims 1-6, further comprising a third flange connected to the first flange, and a fourth flange connected to the second flange, wherein the third flange and the fourth flange are both connected with a fluid pipe; the third flange and the fourth flange are respectively provided with a through hole corresponding to the first through hole and the second through hole; the outer side of the fluid pipeline is provided with a second shell, and the second shell is in sealing connection with a third flange and a fourth flange;
the third flange and a second shell corresponding to the third flange are surrounded to form a second cavity; the fourth flange and the second shell corresponding to the fourth flange are surrounded to form a third cavity;
the second chamber, the first chamber and the third chamber are communicated in sequence.
8. The internal flow jacketed ball valve of claim 7, further comprising a second flow directing module; the second flow guiding module is connected to the inner side of the second shell and used for guiding fluid at the intersection position of the second shell and the third flange and the fourth flange to a direction away from the intersection position of the second shell and the third flange and the fourth flange.
9. The internal flow jacketed ball valve of claim 8, wherein the second flow guide module is triangular in cross-section in the axial direction of the valve body.
10. The internal flow jacketed ball valve of any of claims 1-6, 8-9, wherein the first and second through holes are multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321612.1U CN219866377U (en) | 2023-05-29 | 2023-05-29 | Internal flow type jacketed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321612.1U CN219866377U (en) | 2023-05-29 | 2023-05-29 | Internal flow type jacketed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866377U true CN219866377U (en) | 2023-10-20 |
Family
ID=88334999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321321612.1U Active CN219866377U (en) | 2023-05-29 | 2023-05-29 | Internal flow type jacketed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866377U (en) |
-
2023
- 2023-05-29 CN CN202321321612.1U patent/CN219866377U/en active Active
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