CN106755123A - A kind of storage method for high pressure stalk marsh gas - Google Patents
A kind of storage method for high pressure stalk marsh gas Download PDFInfo
- Publication number
- CN106755123A CN106755123A CN201510835229.1A CN201510835229A CN106755123A CN 106755123 A CN106755123 A CN 106755123A CN 201510835229 A CN201510835229 A CN 201510835229A CN 106755123 A CN106755123 A CN 106755123A
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- Prior art keywords
- liquid
- biogas
- pressure
- methane
- net
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 34
- 239000000523 sample Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 15
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of storage method for high pressure stalk marsh gas, biogas room including the methane-generating pit below earth's surface, more than earth's surface, biogas chamber enclosure is double-decker, including outer membrane and inner layer film, it is the insulation surge-chamber as heat-insulation layer and pressure regulating cavity between outer membrane and inner layer film, insulation surge-chamber is provided with air inlet and is connected with the air blower of biogas outdoor, and pressure controller is provided with the insulation surge-chamber, and described pressure controller is connected control with air blower.The outer layer of the outer membrane is provided with steel wire protection net; described steel wire protection net includes upper annular latitude net, middle annular latitude net and lower annular latitude net, and described upper annular latitude net is flexibly connected between middle annular latitude net and middle annular latitude net and lower annular latitude net by connecting steel bar.
Description
Technical field
Prepared the present invention relates to biogas and field of storage, in particular it relates to a kind of storage method for high pressure stalk marsh gas.
Background technology
At present, there are following several respects in common methane holder：First, certain negative pressure can be produced inside gas storage holder in biogas residue discharging or water level decreasing, certain destruction will be so caused to gas storage holder；2nd, be not incubated, temperature it is low, the generation of biogas is produced by the activity of various anaerobic bacterias, anaerobic bacteria is 8-70 DEG C in normal adaptation temperature, biogas will not be produced less than 8 DEG C, here it is the reason for northern China winter biogas engineering is unable to aerogenesis comprehensively, 3rd, when natural pond expects to reduce or water level is not enough, biogas pressure can not be constant, can not particularly meet requirement of the Biogas Generator Set to air pressure constant；Need to open methane-generating pit when the 4th, slagging tap, easily trigger security incident；5th, there is no related security when there is biogas gas leakage situation；6th, small volume, general gas-storing capacity is in below 10m3；7th, service life is short, general 3-5；8th, the completion time of project is long, common tank for sewage gas engineering, is calculated by 1000m3, most needs 5-8 month even longer time to complete construction soon, comes into operation.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of storage method for high pressure stalk marsh gas, solve the problems, such as that existing gas storage holder high cost, poor sealing and usage safety performance are low.
The present invention the used technical scheme that solves the above problems is：
A kind of storage method for high pressure stalk marsh gas, biogas room including the methane-generating pit below earth's surface, more than earth's surface, biogas chamber enclosure is double-decker, including outer membrane and inner layer film, it is the insulation surge-chamber as heat-insulation layer and pressure regulating cavity between outer membrane and inner layer film, insulation surge-chamber is provided with air inlet and is connected with the air blower of biogas outdoor, and pressure controller is provided with the insulation surge-chamber, and described pressure controller is connected control with air blower.
The outer layer of the outer membrane is provided with steel wire protection net; described steel wire protection net includes upper annular latitude net, middle annular latitude net and lower annular latitude net, and described upper annular latitude net is flexibly connected between middle annular latitude net and middle annular latitude net and lower annular latitude net by connecting steel bar；
Described outer membrane and inner layer film are fixed on methane-generating pit by sealing installing mechanism sealing, described sealing installing mechanism includes counterdie, fixation clip, annular seal ring A, annular seal ring B and fastening bolt, described counterdie is laid on methane-generating pit, lay annular seal ring A, inner layer film, annular seal ring B and outer membrane successively on described counterdie, then it is arranged on outer membrane using the fixation clip annular described in multiple, described fastening bolt makes outer membrane and inner layer film sealing be fixedly mounted on methane-generating pit by fixed press fixation clip；
Described pressure controller includes pressure-measuring pipe, pressure measurement tank, piston and voltage stabilizing balancing weight, in described pressure-measuring pipe connection insulation surge-chamber, described pressure-measuring pipe connects the bottom of pressure measurement tank, and by a piston seal in described pressure measurement tank, the top of described piston is provided with voltage stabilizing balancing weight.Described biogas room lower section is provided with biogas escaping pipe.
Further, described methane-generating pit is provided with feed pipe, and described feed pipe is double-decker, including internal layer interior feed pipe and the outer hot-water line of outer layer.
Further, described methane-generating pit is provided with residue outlet, and pulp pump is provided with out on described residue outlet.
Further, described biogas room is connected by pipeline with the safety valve of outside.
Further, described safety valve has a U-tube for handstand, and one end connects biogas room with inner layer film, and the other end is stretched into tank.
Further, ultrasonic probe is provided with outside described biogas room inside tunic.
Further, methane detector is provided with outside described biogas room inside tunic.
Further, described methane-generating pit is fixed on firm steelframe, and hole steel plate and support frame are provided between methane-generating pit and biogas room.
To sum up, the beneficial effects of the invention are as follows：Gas storage holder uses two film construction, increase protection wire fabric reinforcement frame on outer membrane simultaneously, improve security performance, pressure controller with the addition of to insulation surge-chamber simultaneously, ensure the pressure safety of insulation surge-chamber, most importantly solve the problems, such as that existing outer membrane and inner layer film are unable to long term seal fixation, often leak air phenomenon.
Brief description of the drawings
Fig. 1 is a kind of structural representation of storage method for high pressure stalk marsh gas of the invention；
Fig. 2 is the structural representation of steel wire protection net of the present invention；
Fig. 3 is the overlooking the structure diagram of present invention sealing installing mechanism；
Fig. 4 is the cross section structure schematic diagram of present invention sealing installing mechanism；
Fig. 5 is the structural representation of pressure controller of the present invention.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Embodiment 1
A kind of storage method for high pressure stalk marsh gas as Figure 1-5, including the methane-generating pit 1 below earth's surface, the biogas room 2 more than earth's surface, biogas chamber enclosure is double-decker, including outer membrane 3 and inner layer film 6, it is the insulation surge-chamber 7 as heat-insulation layer and pressure regulating cavity between outer membrane 3 and inner layer film 6, insulation surge-chamber 7 is provided with air inlet 8 and is connected with the air blower 9 of biogas outdoor, pressure controller 10 is provided with the insulation surge-chamber 7, described pressure controller 10 is connected control with air blower 9, it is ensured that the pressure safety of insulation surge-chamber.
Shown in Fig. 2; the outer layer of outer membrane 3 is provided with steel wire protection net 23; described steel wire protection net 23 includes upper annular latitude net 231, middle annular latitude net 232 and lower annular latitude net 233, and described upper annular latitude net 231 is flexibly connected between middle annular latitude net 232 and middle annular latitude net 232 and lower annular latitude net 233 by connecting steel bar 234；Gas storage holder uses two film construction, while increasing protection wire fabric reinforcement frame on outer membrane, improves security performance.
Shown in Fig. 3-4, outer membrane 3 and inner layer film 6 are fixed on methane-generating pit 1 by sealing the sealing of installing mechanism 4, described sealing installing mechanism 4 includes counterdie 41, fixation clip 42, annular seal ring A43, annular seal ring B44 and fastening bolt 45, described counterdie 41 is laid on methane-generating pit 1, annular seal ring A43 is laid successively on described counterdie 41, inner layer film 6, annular seal ring B44 and outer membrane 3, then it is arranged on outer membrane 3 using the annular of fixation clip 42 described in multiple, described fastening bolt 45 makes outer membrane 3 and the sealing of inner layer film 6 be fixedly mounted on methane-generating pit 1 by fixed press fixation clip 42.Solve the problems, such as that existing outer membrane 3 and inner layer film 6 are unable to long term seal fixation, often leak air phenomenon.
Shown in Fig. 5, described pressure controller 10 includes switch board 101, gate valve 102, pressure-equalizing pipe 103, U types pipe 104, liquid-level probe I 105 and liquid-level probe II 106, the described top of pressure-equalizing pipe 103 is provided with gate valve 102, U types pipe 104 is connected on the side wall on the top of pressure-equalizing pipe 103, liquid is filled with the U types pipe 104, the liquid-level probe I 105 and liquid-level probe II 106 being connected with switch board are respectively arranged with the two-port of described U types pipe 104, the described position of liquid-level probe II 106 is higher than liquid-level probe I 105, described switch board 101 is connected with air blower 9, described safety valve 107 is arranged on the pipeline that air blower 9 is connected with insulation surge-chamber 7.When biogas is injected in biogas room 2, inner layer film 6 is heaved causes the pressure in air cavity volume to increase, liquid in U types pipe 104 is moved to liquid-level probe II 106 under the effect of the pressure, when pressure reaches higher limit makes liquid close to liquid-level probe II 106, liquid-level probe II 106 feeds back information to switch board 101, and switch board 101 is closed pressure after air blower 9. closes air blower 9 and continues to rise to 1600
Is by the outlet of safety valve 107 during handkerchief；When pressure reduces, liquid is moved to liquid-level probe I 105, and when pressure reaches lower limit makes liquid level close to liquid-level probe I 105, liquid-level probe I 105 feeds back information to switch board 101, and switch board 101 opens air blower 9, to filling into air in air cavity volume.And so on, the open and close of air blower 9 are controlled by switch board 101, the pressure balance in double film gas holders is reached.Improve the safety and reliability of double film gas holders according to this.The lower section of biogas room 2 is provided with biogas escaping pipe 24.
Embodiment 2
A kind of storage method for high pressure stalk marsh gas as Figure 1-5, on the basis of embodiment 1, methane-generating pit 1 is provided with feed pipe, and described feed pipe is double-decker, including internal layer interior feed pipe 19 and the outer hot-water line 20 of outer layer.Ensure fermentation temperature.
Embodiment 3
A kind of storage method for high pressure stalk marsh gas as Figure 1-5, on the basis of embodiment 1, methane-generating pit 1 is provided with residue outlet 21, and pulp pump 22 is provided with out on described residue outlet 21.
Embodiment 4
A kind of storage method for high pressure stalk marsh gas as Figure 1-5, on the basis of embodiment 1, biogas room 2 is connected by pipeline with the safety valve 11 of outside.Safety valve 11 has a U-tube 12 for handstand, and one end connects biogas room 2 with inner layer film 6, and the other end is stretched into tank 13, increases security performance.
Embodiment 5
A kind of storage method for high pressure stalk marsh gas as Figure 1-5, on the basis of embodiment 1, is provided with ultrasonic probe 14 and methane detector 15 inside tunic 3 outside biogas room.Increase security performance.
Embodiment 6
A kind of storage method for high pressure stalk marsh gas as Figure 1-5, on the basis of embodiment 1, methane-generating pit 1 is fixed on firm steelframe 5, and hole steel plate 17 and support frame 18 are provided between methane-generating pit 1 and biogas room 2.It is easy to construction.
The above; only it is presently preferred embodiments of the present invention; not make any formal limitation to the present invention; according to technical spirit of the invention; within the spirit and principles in the present invention; any simple modification, equivalent and improvement for being made to above example etc., still fall within the protection domain of technical solution of the present invention.
Claims (8)
1. a kind of storage method for high pressure stalk marsh gas, including the methane-generating pit (1) below earth's surface, the biogas room (2) more than earth's surface, it is characterised in that：Biogas chamber enclosure is double-decker, including outer membrane (3) and inner layer film (6), it is the insulation surge-chamber (7) as heat-insulation layer and pressure regulating cavity between outer membrane (3) and inner layer film (6), insulation surge-chamber (7) is provided with air inlet (8) and is connected with the air blower (9) of biogas outdoor, and pressure controller is provided with the pipeline that described air blower (9) is connected with insulation surge-chamber (7)（10）；
The outer layer of the outer membrane (3) is provided with steel wire protection net（23）, described steel wire protection net（23）Including upper annular latitude net（231）, middle annular latitude net（232）With lower annular latitude net（233）, described upper annular latitude net（231）With middle annular latitude net（232）With middle annular latitude net（232）With lower annular latitude net（233）Between by connecting steel bar（234）It is flexibly connected；
Described outer membrane (3) and inner layer film (6) are by sealing installing mechanism（4）Sealing is fixed on methane-generating pit (1), described sealing installing mechanism（4）Including counterdie（41）, fixation clip（42）, annular seal ring A（43）, annular seal ring B（44）And fastening bolt（45）, described counterdie（41）It is laid on methane-generating pit (1), in described counterdie（41）On lay annular seal ring A successively（43）, inner layer film (6), annular seal ring B（44）With outer membrane (3), the fixation clip described in multiple is then used（42）Annular is arranged on outer membrane (3), described fastening bolt（45）By fixed press fixation clip（42）Outer membrane (3) and inner layer film (6) sealing is set to be fixedly mounted on methane-generating pit (1)；
Described pressure controller (10) includes switch board (101), gate valve (102), pressure-equalizing pipe (103), U types pipe (104), liquid-level probe I (105), liquid-level probe II (106) and safety valve (107), described pressure-equalizing pipe (103) top is provided with gate valve (102), U types pipe (104) are connected on the side wall on pressure-equalizing pipe (103) top, liquid is filled with the U types pipe (104), in described U
The two-port of type pipe (104) is respectively arranged with the liquid-level probe I (105) and liquid-level probe II being connected with switch board
(106), the described position of liquid-level probe II (106) is higher than liquid-level probe I (105), described switch board (101) is connected with air blower (9), and described safety valve (107) is arranged on the pipeline that air blower (9) is connected with insulation surge-chamber (7)；
Described biogas room (2) lower section is provided with biogas escaping pipe (24)；
When biogas is injected in biogas room, inner layer film is heaved causes the pressure in air cavity volume to increase, liquid in U type pipes is moved to liquid-level probe II under the effect of the pressure, when pressure reaches higher limit makes liquid close to liquid-level probe II, liquid-level probe II feeds back information to switch board, and switch board is closed air blower and closes pressure after air blower and continues to rise to during 1600 handkerchief by safety valve outlet；When pressure reduces, liquid is moved to liquid-level probe I, when pressure reaches lower limit makes liquid level close to liquid-level probe I, liquid-level probe I feeds back information to switch board, switch board opens air blower, to air is filled into air cavity volume, and so on, the open and close of air blower are controlled by switch board, the pressure balance in double film gas holders is reached.
2. a kind of storage method for high pressure stalk marsh gas according to claim 1, it is characterised in that：Described methane-generating pit（1）Be provided with feed pipe, described feed pipe is double-decker, including internal layer interior feed pipe（19）With the outer hot-water line of outer layer（20）.
3. a kind of storage method for high pressure stalk marsh gas according to claim 1 and 2, it is characterised in that：Described methane-generating pit（1）It is provided with residue outlet（21）, described residue outlet（21）On pulp pump is installed out（22）.
4. a kind of storage method for high pressure stalk marsh gas according to claim 3, it is characterised in that：Described biogas room（2）By pipeline and outside safety valve（11）Connection.
5. a kind of storage method for high pressure stalk marsh gas according to claim 4, it is characterised in that：Described safety valve（11）With a U-tube for handstand（12）, one end and inner layer film（6）Connect biogas room（2）, the other end stretches into tank（13）It is interior.
6. a kind of storage method for high pressure stalk marsh gas according to claim 5, it is characterised in that：Tunic outside described biogas room（3）Inside is provided with ultrasonic probe（14）.
7. a kind of storage method for high pressure stalk marsh gas according to claim 6, it is characterised in that：Tunic outside described biogas room（3）Inside is provided with methane detector（15）.
8. a kind of storage method for high pressure stalk marsh gas according to claim 7, it is characterised in that：Described methane-generating pit（1）It is fixed on firm steelframe（5）On, methane-generating pit（1）With biogas room（2）Between be provided with hole steel plate（17）And support frame（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835229.1A CN106755123A (en) | 2015-11-25 | 2015-11-25 | A kind of storage method for high pressure stalk marsh gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835229.1A CN106755123A (en) | 2015-11-25 | 2015-11-25 | A kind of storage method for high pressure stalk marsh gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106755123A true CN106755123A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510835229.1A Pending CN106755123A (en) | 2015-11-25 | 2015-11-25 | A kind of storage method for high pressure stalk marsh gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106755123A (en) |
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2015
- 2015-11-25 CN CN201510835229.1A patent/CN106755123A/en active Pending
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Application publication date: 20170531 |