CN202118517U - Blowing-down anti-explosion system with double safety valves - Google Patents
Blowing-down anti-explosion system with double safety valves Download PDFInfo
- Publication number
- CN202118517U CN202118517U CN2011202219585U CN201120221958U CN202118517U CN 202118517 U CN202118517 U CN 202118517U CN 2011202219585 U CN2011202219585 U CN 2011202219585U CN 201120221958 U CN201120221958 U CN 201120221958U CN 202118517 U CN202118517 U CN 202118517U
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- valve
- safety valve
- valve body
- chamber
- explosion protection
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- Expired - Lifetime
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- 238000004880 explosion Methods 0.000 title claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a blowing-down anti-explosion system with double safety valves, which is characterized by being mainly composed of a tee joint stop valve, a left safety valve and a right safety valve, wherein the left safety valve and the right safety valve are respectively arranged on the tee joint stop valve. The blowing-down anti-explosion system with the double safety valves is not only simple in structure, but also low in cost. The number of the safety valves is two, so that the other safety valve can still be used when one safety valve needs to be checked or replaced, and production operation can be normally processed, thereby bringing great convenience to users and being suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of blowing explosion protection system, is meant that specifically a kind of double safety valve blows down explosion protection system.
Background technique
In chemical machinery deep cooling industry, need to use pipeline to transmit the liquid gas of low temperature.Because the temperature of external environment is higher than the temperature of liquid gas in the pipeline; Make ducted operative liquid gas temperature rising and become gaseous state; Thereby manifold pressure is increased; Therefore need to use and blow down the ducted over-pressure gas medium of explosion protection system discharge section, so that pipeline is carried out pressure release, thereby pipeline can not blasted because internal pressure is excessive.But the blowing explosion protection system of using in the market only is provided with a safety valve, in safety valve regular school inspection or the medium circulation in can only interrupt pipe of losing efficacy when changing, manufacturing operation can't normally be carried out, thereby bring great inconvenience to the client.
The model utility content
The purpose of the utility model is to overcome the safety valve that uses in the market and when school inspection regularly or inefficacy replacing, all must the pressure of pipe interior be laid down; It is the circulation of interrupt pipe medium; Manufacturing operation etc. can't normally be carried out, thereby bring the defective of great inconvenience, provide a kind of not only simple in structure to the user; And it is with low cost; And have double safety valve, and a safety valve carries out the inspection of regular school or lost efficacy can also using another safety valve when changing therein, thus the double safety valve that manufacturing operation can normally be carried out blows down explosion protection system.
The utility model is realized through following technical proposals: double safety valve blows down explosion protection system, mainly is made up of three-way cut-off valve, the left safety valve and the right safety valve that are separately positioned on this three-way cut-off valve.
Further, said three-way cut-off valve comprises valve body and COMM communication, and the inside of said valve body is provided with main chamber, and is attached thereto logical left chamber, right chamber and lower chambers; Described COMM communication one end is positioned at the inside of main chamber, and the other end is stretched in the outside of valve body, and described left safety valve is connected on the valve body and with left chamber and is connected, and right safety valve is connected on the valve body and with right chamber and is connected.
Further, said COMM communication comprises that being arranged on main chamber inner valve top, an end is connected that go up on this valve top and the other end extends to outside valve rod of valve body and the handwheel that is arranged on this valve rod the other end; Said valve rod and valve body are through being threaded.
For the ease of manually pipeline being carried out pressure release, on said valve body, also be provided with the manual exhaust-valve that is connected with lower chambers and has manual liquid-discharging tube.
In order to satisfy the demand, on said left safety valve and right safety valve, be equipped with outlet pipe.
For the ease of observing the pipeline pressure inside, on said valve body, also be provided with the pressure gauge that is connected with main chamber.
In order to ensure effect, on said valve body, also be provided with threaded for union.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, and is easy to use.
(2) safety valve of the utility model is made as two; Can also use another safety valve when a safety valve needs school inspection or replacing therein; Thereby do not need the medium circulation in the interrupt pipe, manufacturing operation can also normally be carried out, therefore bring great convenience to the user.
(3) valve body of the utility model is provided with COMM communication, and convenient the switching used left safety valve or right safety valve.
(4) valve body of the utility model is provided with the manual exhaust-valve with manual liquid-discharging tube, conveniently when internal pipe pressure is excessive, opens manual exhaust-valve, medium is discharged through manual liquid-discharging tube, thereby conveniently pipeline is carried out manual pressure release.
(5) be respectively equipped with outlet pipe on left safety valve of the utility model and the right safety valve, medium is discharged through this outlet pipe when making things convenient for internal pipe pressure excessive, makes medium be difficult for being sprayed on the human body, thereby makes medium be difficult for the injury human body.
(6) valve body of the utility model is provided with threaded for union, conveniently the utility model is connected on the pipeline, makes things convenient for valve body to be connected with left safety valve and right safety valve simultaneously.
(7) also be provided with pressure gauge on the valve body of the utility model, the convenient pipeline pressure inside of observing, thus remind the user when internal pipe pressure is excessive, it to be carried out pressure release, even the utility model is safer in use, reliable.
Description of drawings
Fig. 1 is the utility model internal structure schematic representation.
Fig. 2 is Fig. 1 left view.
Wherein, the component name that reference character is corresponding among the figure is called:
The 1-valve body, 2-main chamber, 3-left chamber, the right chamber of 4-, 5-lower chambers, 6-left side safety valve, the right safety valve of 7-, the manual exhaust-valve of 8-, the manual liquid-discharging tube of 9-, 10-outlet pipe, 11-pressure gauge, 12-threaded for union, 13-handwheel, 14-valve top, 15-valve rod.
Embodiment
Below in conjunction with embodiment the utility model is done to specify further, but the mode of execution of the utility model is not limited thereto.
Embodiment
Like Fig. 1, shown in 2, the utility model mainly is made up of three-way cut-off valve, and this three-way cut-off valve comprises valve body 1 and is arranged on the COMM communication on this valve body 1.Said valve body 1 inside is provided with main chamber 2, is respectively equipped with left chamber 3 and the right chamber 4 that all is connected with said main chamber 2 in this valve body 1 right ends simultaneously, then is provided with the lower chambers 5 that is connected with main chamber 2 in the lower end of this valve body 1.Said COMM communication comprises and is arranged on the valve top 14 that this valve body 1 inside is used to close left chamber 3 or right chamber 4 that this valve top 14 is arranged on main chamber 2 inside, and can move left and right.On this valve top 14, also be connected with valve rod 15, these valve rod 15 1 ends are fixedly connected with valve top 14 or are solidified as a whole, and the other end then extends to the outside of this valve body 1, and on this valve rod 15, is provided with outside thread.For the ease of being connected with this valve rod 15; On said valve body 1, be provided with the hole of passing this valve rod 15; And on the inwall in this hole, be provided with the internal thread that is complementary with outside thread; Said valve rod 15 is connected on this valve body 1 after through outside thread and screw-internal thread fit, and this valve rod 15 valve body 1 move left and right relatively.Thereby drive valve top 14 along main chamber's 2 move left and right, so that left chamber 3 or right chamber 4 are closed in this valve top 14.For the ease of rotation valve rod 15, also be provided with handwheel 13 at the other end of this valve rod 15, and this handwheel 13 is positioned at the outside of valve body 1.
Left end at said valve body 1 also is provided with the left safety valve 6 that is connected with left chamber 3, for the ease of connecting, on this valve body 1, also is provided with threaded for union 12, and this left side safety valve 6 is connected on the valve body 1 through threaded for union 12.Simultaneously, also be provided with the right safety valve 7 that is connected with right chamber 4 at the right-hand member of this valve body 1, this right side safety valve 7 also is connected on the valve body 1 through threaded for union 12, and should right side safety valve 7 identical with left safety valve 6 structures.
In needs school inspection or when changing left safety valve 6, rotation hand wheel 13 rotates valve rod 15; And be moved to the left along main chamber 2, close left chamber 3 thereby drive valve top 14, promptly right safety valve 7 work; Left safety valve 6 then is in vacant state, can carry out school inspection or replacing to it.In like manner, in needs school inspection or when changing right safety valve 7, opposite spin handwheel 13; Make valve rod 15 counter-rotation, thereby this valve rod is moved right along main chamber 2, close right chamber 3 thereby drive valve top 14; Be that right safety valve 7 is in vacant state, and 6 work of left safety valve.
Excessive at internal pipe pressure, left safety valve 6 or right safety valve 7 in the work automatically spring open, and make pipeline internal medium pass through left safety valve 6 or 7 discharges of right safety valve, thereby pipeline is carried out pressure release.Because pipeline internal medium can upwards spray when discharging through the opening of left safety valve 6 or right safety valve 7; Thereby this medium is sprayed on the human body and to human body easily to damage; Therefore on this left side safety valve 6 and right safety valve 7, be equipped with outlet pipe 10, discharge thereby make medium pass through this outlet pipe 10.Open Side Down for said outlet pipe 10; And on this outlet pipe 10, be provided with outside thread; On said left safety valve 6 and right safety valve 7, be equipped with the internal thread that is complementary with this outside thread simultaneously; This outlet pipe 10 is connected on left safety valve 6 and the right safety valve 7 after through its outside thread and this screw-internal thread fit, and medium is concentrated downwards through outlet pipe 10 and discharged when making 7 pairs of pipelines of left safety valve 6 or right safety valve carry out pressure release, thereby makes medium be difficult for being sprayed on the human body.
For the ease of observing pipeline pressure inside situation, on said valve body 1, also be provided with the pressure gauge 11 that is connected with main chamber 2.For the ease of this valve body 1 is connected on the pipeline, also be provided with threaded for union 12 in the lower end of this valve body 1.
Through manually pipeline being carried out pressure release, also be provided with the manual exhaust-valve 8 that is connected with lower chambers 5 for ease, and on this manual exhaust-valve 8, also be provided with the manual liquid-discharging tube 9 that Open Side Down in the lower end of this valve body 1.
As stated, just can realize the utility model preferably.
Claims (7)
1. double safety valve blows down explosion protection system, it is characterized in that: mainly be made up of with right safety valve (7) three-way cut-off valve, the left safety valve (6) that is separately positioned on this three-way cut-off valve.
2. double safety valve according to claim 1 blows down explosion protection system; It is characterized in that: said three-way cut-off valve comprises valve body (1) and COMM communication; The inside of said valve body (1) is provided with main chamber (2), and is attached thereto logical left chamber (3), right chamber (4) and lower chambers (5); Described COMM communication one end is positioned at the inside of main chamber (2); The other end is stretched in the outside of valve body (1); Described left safety valve (6) is connected that valve body (1) is gone up and is connected with left chamber (3), and right safety valve (7) is connected valve body (1) and goes up and be connected with right chamber (4).
3. double safety valve according to claim 2 blows down explosion protection system, it is characterized in that: said COMM communication comprises that being arranged on main chamber (2) inner valve top (14), an end is connected that go up on this valve top (14) and the other end extends to outside valve rod (15) of valve body (1) and the handwheel (13) that is arranged on this valve rod (15) the other end; Said valve rod (15) and valve body (1) are through being threaded.
4. blow down explosion protection systems according to claim 2 or 3 described double safety valves, it is characterized in that: on said valve body (1), also be provided with the manual exhaust-valve (8) that is connected with lower chambers (5) and has manual liquid-discharging tube (9).
5. double safety valve according to claim 4 blows down explosion protection system, it is characterized in that: on said left safety valve (6) and right safety valve (7), be equipped with outlet pipe (10).
6. double safety valve according to claim 5 blows down explosion protection system, it is characterized in that: on said valve body (1), also be provided with the pressure gauge (11) that is connected with main chamber (2).
7. blow down explosion protection system according to claim 5 or 6 described double safety valves, it is characterized in that: on said valve body (1), also be provided with threaded for union (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202219585U CN202118517U (en) | 2011-06-28 | 2011-06-28 | Blowing-down anti-explosion system with double safety valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202219585U CN202118517U (en) | 2011-06-28 | 2011-06-28 | Blowing-down anti-explosion system with double safety valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118517U true CN202118517U (en) | 2012-01-18 |
Family
ID=45459583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202219585U Expired - Lifetime CN202118517U (en) | 2011-06-28 | 2011-06-28 | Blowing-down anti-explosion system with double safety valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016042201A1 (en) * | 2015-02-19 | 2016-03-24 | Wärtsilä Finland Oy | A cryogenic tank arrangement and a marine vessel provided with the same |
| WO2016135372A1 (en) * | 2015-02-24 | 2016-09-01 | Wärtsilä Finland Oy | Valve system of a fuel tank, especially of an lng tank |
-
2011
- 2011-06-28 CN CN2011202219585U patent/CN202118517U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016042201A1 (en) * | 2015-02-19 | 2016-03-24 | Wärtsilä Finland Oy | A cryogenic tank arrangement and a marine vessel provided with the same |
| CN106104137A (en) * | 2015-02-19 | 2016-11-09 | 瓦锡兰芬兰有限公司 | Cryogenic tank device and the marine ships being provided with this cryogenic tank device |
| JP2016539284A (en) * | 2015-02-19 | 2016-12-15 | ワルトシラ フィンランド オサケユキチュア | Cryogenic tank device and marine vessel equipped with the device |
| CN106104137B (en) * | 2015-02-19 | 2017-09-29 | 瓦锡兰芬兰有限公司 | Low temperature tank arrangement and the marine ships for being provided with the low temperature tank arrangement |
| US9933117B2 (en) | 2015-02-19 | 2018-04-03 | Wartsila Finland Oy | Cryogenic tank arrangement and a marine vessel provided with the same |
| WO2016135372A1 (en) * | 2015-02-24 | 2016-09-01 | Wärtsilä Finland Oy | Valve system of a fuel tank, especially of an lng tank |
| CN108055862A (en) * | 2015-02-24 | 2018-05-18 | 瓦锡兰芬兰有限公司 | For the valve system of fuel reservoir especially LNG storage tank |
| US10168003B2 (en) | 2015-02-24 | 2019-01-01 | Wartsila Finland Oy | Valve system for an LNG tank |
| CN108055862B (en) * | 2015-02-24 | 2019-09-10 | 瓦锡兰芬兰有限公司 | Valve system for fuel reservoir especially LNG storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: He Wei Document name: Notice of expiration and termination of patent right |
|
| DD01 | Delivery of document by public notice |