CN1664425A - Marsh gas pressure regulator - Google Patents
Marsh gas pressure regulator Download PDFInfo
- Publication number
- CN1664425A CN1664425A CN 200410003430 CN200410003430A CN1664425A CN 1664425 A CN1664425 A CN 1664425A CN 200410003430 CN200410003430 CN 200410003430 CN 200410003430 A CN200410003430 A CN 200410003430A CN 1664425 A CN1664425 A CN 1664425A
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- pressure
- shell body
- lower shell
- biogas
- case body
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Abstract
The invention relates to a methane pressure regulator that includes block cover, up case body, down case body, pressure regulate block on the top in the up case body, rubber membrane between the up case body and the down case body. A tray is set on the rubber membrane. And a spring is set between the pressure regulate block and the tray. The tray is fixed on the top of the connecting bar through the rubber membrane. The bottom of the connecting bar connects to a valve pad through the valve mouth. The bottom of the case body has valve core supporting cover. The material of blocking cover, up case body, down case body, pressure regulating block, tray, connecting bar and the valve core supporting cover is ABS plastic. And the rubber membrane and the valve pad are made up of rubber material that can endure the cauterization of sulfureted hydrogen. The invention solves the cauterization problem and is easy to install.
Description
Technical field
The present invention relates to a kind of gas-fired equipment, be specifically related to a kind of biogas pressure governor.
Background technique
Pressure governor is the visual plant in the gas burning system, be used to control the pressure working condition of gas burning system, pressure governor has the effect of reduction and stabilization of export pressure, in specified pressure flow scope, when inlet pressure or outlet load change, the keying of its energy automatic regulating valve mouth makes its all-the-time stable in the pressure range of setting.
The household biogas kitchen range has been made NBS (GB/T3606-2001) at present, and the biogas rated pressure before this standard code kitchen range is 800pa or 1600pa.For realizing this rated pressure, require domestic each producer to develop the effect that all gases control valve (switch) must be realized regime flow and steady pressure with openings of sizes.Because the pressure in the biomass pool is not a steady state value, along with using all the time in variation, so all gases control valve do not reach the effect of regime flow and pressure, has only the pressure governor of use could realize above-mentioned functions.
At present, each specification pressure governor technology in liquid gas, coal gas, the extensive use of rock gas field is very ripe, but do not have a kind of specification and be applicable to biogas, mainly due to: first, use liquid gas, coal gas, rock gas oven former pressure all higher, the oven former pressure that existing commercially available each specification pressure governor adapts to is all bigger, and minimum air outlet pressure is also at 2800pa, when being used for biogas, sensitivity does not reach requirement; The second, each specification pressure governor of use liquid gas, coal gas, natural gas range from high pressure resistant consideration, all uses the metal manufacturing, and the H that contains in the biogas
2S gas is to metal, especially to the corrosion of copper more very.So the pressure governor of metal manufacturing should not use in the biogas field, even application life is also very short reluctantly.The 3rd, existing commercially available each specification pressure governor price is more expensive, the bad acceptance of peasant household of using biogas.In a word, existing commercially available each specification pressure governor all is not that characteristics according to biogas manufacture and design.
Summary of the invention
Purpose of the present invention is exactly the deficiency that overcomes existing commercially available each specification pressure governor, manufactures and designs the special-purpose pressure governor of a kind of nonmetal biogas.
The technical solution used in the present invention is: a kind of biogas pressure governor, comprise blanking cover, upper shell, lower shell body, being arranged on air inlet on the lower shell body chews and gives vent to anger and chew, be provided with the pressure regulation piece at described upper shell internal upper part, be provided with screw-thread fit between described pressure regulation piece and the upper shell, clamping has elastomer diaphragm between described upper shell and lower shell body, described elastomer diaphragm top is provided with pallet, described pallet is fixedlyed connected with the connecting rod upper end of passing elastomer diaphragm, described connecting rod lower end is passed the valve port that is arranged on the lower shell body middle part and is linked to each other with the valve pad of a conical desk shape, be provided with the spool supporting cover in the bottom of described lower shell body, between described pressure regulation piece and pallet, be provided with spring.Described blanking cover, upper shell, lower shell body, be arranged on air inlet on the lower shell body and chew, give vent to anger and chew and pressure regulation piece, pallet, connecting rod, spool supporting cover are ABS plastic and make.Have only elastomer diaphragm and valve pad to use the rubber material of hydrogen sulfide corrosion-resistant to make.
The invention has the beneficial effects as follows: because the part of biogas pressure governor of the present invention contact biogas is all with ABS highstrenghtpiston and anti-anti-H
2The rubber processing of S gas attack is made, and has thoroughly solved anticorrosion problem.At the low characteristics design of biogas pressure, highly sensitive, easy to use, technical performance is more superior, simple installation, and cost is low.
Description of drawings
Below in conjunction with accompanying drawing, content of the present invention is described further.
Fig. 1 is an embodiment of the invention internal structure schematic representation.
Among the figure: 1. blanking cover, 2. pressure regulation piece, 3. spring, 4. upper shell, 5. pallet, 6. elastomer diaphragm, 7. lower shell body, 8. valve port, 9. valve pad, 10. connecting rod, 11. air inlets are chewed, and 12. give vent to anger chews, 13. spool supporting covers.
Embodiment:
As shown in Figure 1, a kind of biogas pressure governor, comprise blanking cover 1, upper shell 4, lower shell body 7, be arranged on air inlet on the lower shell body 7 and chew 11 and give vent to anger and chew 12, be provided with pressure regulation piece 2 in the inside of described upper shell, be provided with screw-thread fit between described pressure regulation piece 2 and the upper shell 4, the position of pressure regulation piece 2 can be adjusted.Clamping has elastomer diaphragm 6 between described upper shell 4 and lower shell body 7, and the rubber folder film of fabric that described elastomer diaphragm 6 is a hydrogen sulfide corrosion-resistant makes enhancing of elastomer diaphragm 6 ageing resistances and elastic force even.Described elastomer diaphragm 6 tops are provided with pallet 5, are provided with spring 3 between described pressure regulation piece 2 and pallet 5, can adjust the elastic force of described spring 3 by the position of adjusting pressure regulation piece 2.Described pallet 5 is fixedlyed connected with connecting rod 10 upper ends of passing elastomer diaphragm 6, and described connecting rod 10 lower ends are passed the valve port 8 that is arranged on the lower shell body middle part and linked to each other with the valve pad 9 of a conical desk shape, and described valve pad 9 uses the rubber material of hydrogen sulfide corrosion-resistant to make.Be provided with spool supporting cover 13 in the bottom of described lower shell body 7.Described blanking cover 1, upper shell 4, lower shell body 7, be arranged on air inlet on the lower shell body 7 chew 11, give vent to anger chew 12 and pressure regulation piece 2, pallet 5, connecting rod 10, spool supporting cover 13 be ABS plastic and make, can prevent effectively that above-mentioned device is subjected to H in the biogas
2The corrosion of S gas.
When chew from air inlet from the biogas of biomass pool or gas storage holder 11 enter the cavity of resorption of pressure governor after, gas holds up valve pad 9, behind the expenditure and pressure of valve port 8 circumferential welds, flow into the lower space of elastomer diaphragm 6, promote to move on the elastomer diaphragm 6, when moving on the described elastomer diaphragm 6, connecting rod 10 drives on the valve pad 9 and moves, and makes the open degree of valve port 8 reduce, and the biogas flow that enters pressure governor reduces; Simultaneously, give vent to anger and chew 12 biogas flow and also reduce thereupon.Otherwise, 11 biogas pressures that enter are less when chewing from air inlet, the pressure of spring 3 promotes elastomer diaphragm 6 and moves down, connecting rod 10 drives valve pad 9 and moves down, make the open degree of valve port 8 increase, the biogas flow and the pressure that enter pressure governor also increase, and at this moment, give vent to anger and chew 12 biogas flow and also increase thereupon.In a word, have only when the pressure of the pressure of elastomer diaphragm 6 upper springs 3 and elastomer diaphragm 6 bottom biogas reaches balance, biogas satisfies the kitchen range normal combustion before can delivering to kitchen range according to the kitchen range rated pressure.Therefore, no matter how inlet pressure changes, and air outlet pressure can both be stabilized in the scope of setting, plays the pressure regulation effect preferably.
The present invention is the special-purpose pressure governor at the biogas design.In the above-described embodiments, biogas pressure is lower, meeting GB/T4750 2002 household methane tank pond internal pressures is 8000 (or 4000) pa, and pond internal pressure threshold limit value is the regulation of 12Kpa and the characteristics (ignition difficulties when biogas pressure is lower than 800pa or is higher than 2600pa) that biogas best combustion pressure is 800pa-2600pa.This pressure governor important technological parameters is flow 0.6m
3/ h, outlet pressure 1600pa.
Claims (3)
1. biogas pressure governor, comprise blanking cover, upper shell, lower shell body, being arranged on air inlet on the lower shell body chews and gives vent to anger and chew, be provided with the pressure regulation piece in the inside of described upper shell, be provided with screw-thread fit between described pressure regulation piece and the upper shell, clamping has elastomer diaphragm between described upper shell and lower shell body, described elastomer diaphragm top is provided with pallet, described pallet is fixedlyed connected with the connecting rod upper end of passing elastomer diaphragm, described connecting rod lower end is passed the valve port that is arranged on the lower shell body middle part and is linked to each other with the valve pad of a conical desk shape, be provided with the spool supporting cover in the bottom of described lower shell body, between described pressure regulation piece and pallet, be provided with spring, it is characterized in that described blanking cover, upper shell, lower shell body, the air inlet that is arranged on the lower shell body is chewed, give vent to anger and chew and the pressure regulation piece, pallet, connecting rod, the spool supporting cover is ABS plastic and makes.
2. biogas pressure governor according to claim 1 is characterized in that described elastomer diaphragm is the rubber folder film of fabric of hydrogen sulfide corrosion-resistant.
3. biogas pressure governor according to claim 1 is characterized in that described valve pad makes with the rubber material of hydrogen sulfide corrosion-resistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003430 CN1664425A (en) | 2004-03-05 | 2004-03-05 | Marsh gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410003430 CN1664425A (en) | 2004-03-05 | 2004-03-05 | Marsh gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1664425A true CN1664425A (en) | 2005-09-07 |
Family
ID=35035646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410003430 Pending CN1664425A (en) | 2004-03-05 | 2004-03-05 | Marsh gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1664425A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865319A (en) * | 2010-03-04 | 2010-10-20 | 卓旦春 | By-pass reducing valve |
| CN102128292A (en) * | 2011-03-17 | 2011-07-20 | 中国科学院广州能源研究所 | Pressure safety valve of anaerobic digestion tank |
| CN104864143A (en) * | 2015-05-20 | 2015-08-26 | 中国农业大学 | Irrigation multifunctional mass-flow reducing valve |
| CN106701543A (en) * | 2015-07-20 | 2017-05-24 | 南安市绿野沼气技术开发研究所 | High-airtightness and high-strength methane tank cover |
-
2004
- 2004-03-05 CN CN 200410003430 patent/CN1664425A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865319A (en) * | 2010-03-04 | 2010-10-20 | 卓旦春 | By-pass reducing valve |
| CN102128292A (en) * | 2011-03-17 | 2011-07-20 | 中国科学院广州能源研究所 | Pressure safety valve of anaerobic digestion tank |
| CN104864143A (en) * | 2015-05-20 | 2015-08-26 | 中国农业大学 | Irrigation multifunctional mass-flow reducing valve |
| CN106701543A (en) * | 2015-07-20 | 2017-05-24 | 南安市绿野沼气技术开发研究所 | High-airtightness and high-strength methane tank cover |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |