CN207297989U - Air inlet valve of methane screw compressor - Google Patents
Air inlet valve of methane screw compressor Download PDFInfo
- Publication number
- CN207297989U CN207297989U CN201721317777.6U CN201721317777U CN207297989U CN 207297989 U CN207297989 U CN 207297989U CN 201721317777 U CN201721317777 U CN 201721317777U CN 207297989 U CN207297989 U CN 207297989U
- Authority
- CN
- China
- Prior art keywords
- valve
- piston
- spring
- air inlet
- screw compressor
- 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
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000005273 aeration Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to a marsh gas screw compressor admission valve, including valve body and disk seat, be equipped with the piston in the valve body, the piston interpolation has the check case, the check case adopts no throttle aperture, be equipped with check spring in the check case, the piston overcoat has reset spring, reset spring arranges the spring holder in, be equipped with the axle sleeve between spring holder and the piston, one-way gulp valve has been inserted in the outside of disk seat, one-way gulp valve includes one-way gulp valve case, one-way gulp valve case has the spring through one-way gulp valve gap pressure outward, the top cover of disk seat has inlet flange, be equipped with outer lane sealing member and inner circle sealing member on the inlet flange, the valve body bottom. The utility model discloses a special seal structure can effectively guarantee the admission valve leakproofness, adopts corrosion-resistant and marsh gas non-reactive material to the admission valve part in addition, has solved sealed and wear-resisting problem through structural design, has guaranteed the reliability of admission valve.
Description
Technical field
A kind of biogas air inlet valve of screw compressor is the utility model is related to, suitable for biogas screw compressor system.
Background technology
At present, conventional screw compressor intake valve, since medium is compressed air, the leakproofness of intake valve（Especially
It is leakproofness before valve）It is required that it is relatively low, but for biogas helical-lobe compressor, due to some characteristics of biogas, it is desirable to screw rod
All there is good sealing performance before machine valve and after valve, Marsh gas compression machine is different from air compressor, because biogas has inflammability, institute
It is particularly important that with the sealing performance of intake valve.
The content of the invention
Deficiency the purpose of this utility model is to overcome more than, there is provided a kind of good airproof performance, reduce leakage point, corrosion resistant
The biogas air inlet valve of screw compressor of erosion.
The purpose of this utility model is achieved through the following technical solutions：A kind of biogas air inlet valve of screw compressor, including
Valve body and valve seat, valve body is interior to be equipped with piston, non-return valve core is inserted with piston, non-return valve core is using no throttling pore, non-return valve core
In be equipped with check spring, piston jacket has resetting spring, and resetting spring is placed in spring base, and axis is equipped between spring base and piston
Cover, one-way gas-compensating valve is inserted with the outside of valve seat, one-way gas-compensating valve includes one-way gas-compensating valve spool, passes through outside one-way gas-compensating valve spool
One-way gas-compensating valve valve deck is pressed with spring, and inlet flange is cased with the top of valve seat, and inlet flange is equipped with outer ring seal and inner ring
Seal, body base outside are equipped with bleeder valve and aeration valve.
Further improvement of the utility model is：The first sealing ring and support ring are equipped between valve body and piston.
Further improvement of the utility model is：Valve body on piston with being cased with a baffle ring.
Further improvement of the utility model is：Seal is equipped between valve seat and inlet flange.
Further improvement of the utility model is：The second sealing ring is equipped between one-way gas-compensating valve valve deck and valve seat.
The utility model has the following advantages compared with prior art：
1st, inlet flange sets double-round to seal, it is ensured that biogas will not release to air, also ensure not having outside other systems
Medium enter Marsh gas compression machine；
2nd, non-return valve core is designed using no throttling pore formula, during unloading tonifying Qi tonifying Qi is carried out using one-way gas-compensating valve；
3rd, bleeder valve and aeration valve are integrated, pipeline connection is reduced, so as to reduce leakage point that may be present.
4th, the part of the utility model uses corrosion resistant stainless steel, avoid part and biogas produce reactant and
Influence product overall performance.
Brief description of the drawings：
Fig. 1 is：The structure diagram of the utility model；
Figure label：1- valve bodies, 2- valve seats, 3- pistons, 4- non-return valve cores, 5- check springs, 6- resetting springs, 7- springs
Seat, 8- axle sleeves, 9- tonifying Qi valve core, 10- one-way gas-compensating valves valve deck, 11- springs, 12- inlet flanges, 13- outer rings seal,
14- inner rings seal, 15- bleeder valves, the first sealing rings of 16-, 17- support rings, 18- baffle rings, 19- seals, 20- second are sealed
Circle.
Embodiment：
, below will be to the utility model to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Technical solution in embodiment is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Elements and features described in a kind of embodiment of the utility model can be with one
The elements and features shown in a or more other embodiment is combined.It should be noted that for purposes of clarity, in explanation
Eliminate the expression and description of component unrelated with the utility model, known to persons of ordinary skill in the art and processing.It is based on
Embodiment in the utility model, the institute that those of ordinary skill in the art are obtained on the premise of not making the creative labor
There is other embodiment, shall fall within the protection scope of the present invention.
As Fig. 1 shows a kind of embodiment of the utility model biogas air inlet valve of screw compressor, including valve body 1 and valve
Seat 2, is equipped with piston 3 in valve body 1, is inserted with non-return valve core 4 in piston 3, and non-return valve core 4 is using no throttling pore, in non-return valve core 4
Equipped with check spring 5, resetting spring 6 is cased with outside piston 3, resetting spring 6 is placed in spring base 7, between spring base 7 and piston 3
Equipped with axle sleeve 8, the outside of valve seat 2 is inserted with one-way gas-compensating valve, and one-way gas-compensating valve includes one-way gas-compensating valve spool 9, one-way gas-compensating valve
Spool 9 is outer to be pressed with spring 11 by one-way gas-compensating valve valve deck 10, and the top of valve seat 2 is cased with inlet flange 12, on inlet flange 12
Equipped with outer ring seal 13 and inner ring seal 14,1 bottom outside of valve body is equipped with bleeder valve 15 and aeration valve.
The first sealing ring 16 and support ring 17 are equipped between valve body 1 and piston 3.Valve body 1 on piston 3 with being cased with a baffle ring
18.Seal 19 is equipped between valve seat 2 and inlet flange 12.The second sealing is equipped between one-way gas-compensating valve valve deck 10 and valve seat 2
Circle 20.
The utility model employs special sealing structure, intake valve leakproofness can be effectively ensured, in addition for air inlet
Valve part is solved the problems, such as to seal and wear-resisting, ensure that using the corrosion-resistant and responseless material of biogas by structure design
The reliability of intake valve.
Finally it should be noted that：Although the utility model and its advantage are described in detail above it should be appreciated that
Various change can be carried out in the case of without departing from the spirit and scope of the utility model being defined by the claims appended hereto
Become, substitute and convert.Moreover, the scope of the utility model is not limited only to the described process of specification, equipment, means, method
With the specific embodiment of step.One of ordinary skilled in the art will readily appreciate that from the disclosure of the utility model, root
It can be used according to the utility model and perform the function essentially identical to corresponding embodiment described herein or obtain basic with it
Identical result, existing and to be developed in the future process, equipment, means, method or step.Therefore, appended right
It is required that include such process, equipment, means, method or step in the range of being directed at them.
Claims (5)
1. a kind of biogas air inlet valve of screw compressor, including valve body（1）And valve seat（2）, it is characterised in that：The valve body（1）It is interior
Equipped with piston（3）, the piston（3）Inside it is inserted with non-return valve core（4）, the non-return valve core（4）It is described to stop using no throttling pore
Return spool（4）In be equipped with check spring（5）, the piston（3）It is cased with resetting spring outside（6）, the resetting spring（6）It is placed in institute
State spring base（7）In, the spring base（7）With the piston（3）Between be equipped with axle sleeve（8）, the valve seat（2）Outside be inserted with
One-way gas-compensating valve, the one-way gas-compensating valve include one-way gas-compensating valve spool（9）, the one-way gas-compensating valve spool（9）Pass through list outside
To aeration valve valve deck（10）It is pressed with spring（11）, the valve seat（2）Top be cased with inlet flange（12）, the inlet flange
（12）It is equipped with outer ring seal（13）With inner ring seal（14）, the valve body（1）Bottom outside is equipped with bleeder valve（15）With
Aeration valve.
2. biogas air inlet valve of screw compressor according to claim 1, it is characterised in that：The valve body（1）With the piston
（3）Between be equipped with the first sealing ring（16）And support ring（17）.
3. biogas air inlet valve of screw compressor according to claim 1, it is characterised in that：The valve body（1）With the piston
（3）On be cased with a baffle ring（18）.
4. biogas air inlet valve of screw compressor according to claim 1, it is characterised in that：The valve seat（2）With the air inlet
Flange（12）Between be equipped with seal（19）.
5. biogas air inlet valve of screw compressor according to claim 2, it is characterised in that：The one-way gas-compensating valve valve deck（10）
With the valve seat（2）Between be equipped with the second sealing ring（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317777.6U CN207297989U (en) | 2017-10-13 | 2017-10-13 | Air inlet valve of methane screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721317777.6U CN207297989U (en) | 2017-10-13 | 2017-10-13 | Air inlet valve of methane screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297989U true CN207297989U (en) | 2018-05-01 |
Family
ID=62415147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721317777.6U Expired - Fee Related CN207297989U (en) | 2017-10-13 | 2017-10-13 | Air inlet valve of methane screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297989U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575610A (en) * | 2017-10-13 | 2018-01-12 | 南通市红星空压机配件制造有限公司 | Air inlet valve of methane screw compressor |
| CN109915379A (en) * | 2019-04-12 | 2019-06-21 | 南通市红星空压机配件制造有限公司 | Normally open type air inlet valve |
| CN112228166A (en) * | 2020-11-04 | 2021-01-15 | 哈尔滨汽轮机厂有限责任公司 | Steam supplementing valve for steam turbine |
-
2017
- 2017-10-13 CN CN201721317777.6U patent/CN207297989U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575610A (en) * | 2017-10-13 | 2018-01-12 | 南通市红星空压机配件制造有限公司 | Air inlet valve of methane screw compressor |
| CN109915379A (en) * | 2019-04-12 | 2019-06-21 | 南通市红星空压机配件制造有限公司 | Normally open type air inlet valve |
| CN112228166A (en) * | 2020-11-04 | 2021-01-15 | 哈尔滨汽轮机厂有限责任公司 | Steam supplementing valve for steam turbine |
| CN112228166B (en) * | 2020-11-04 | 2024-09-13 | 哈尔滨汽轮机厂有限责任公司 | Steam supplementing valve for steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180501 |