CN203346365U - Explosion-proof type double-screw methane compressor - Google Patents
Explosion-proof type double-screw methane compressor Download PDFInfo
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- CN203346365U CN203346365U CN 201320272430 CN201320272430U CN203346365U CN 203346365 U CN203346365 U CN 203346365U CN 201320272430 CN201320272430 CN 201320272430 CN 201320272430 U CN201320272430 U CN 201320272430U CN 203346365 U CN203346365 U CN 203346365U
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Abstract
The utility model discloses an explosion-proof type double-screw methane compressor which comprises an explosion-proof type electric control cabinet mounted on a rack, an explosion-proof type motor and a double-screw compressor body, wherein a gas-water separator is arranged on a methane inlet pipeline connected with a gas inlet of the double-screw compressor body through a gas inlet valve; an oil-gas mixing pipeline at an outlet of the double-screw compressor body is connected with an oil-gas separation barrel; an oil-gas cooler is connected to a methane pipeline connected with the top part of the oil-gas separation barrel through a combination valve and an oil-gas separation core; an oil pipeline connected to an oil outlet of the oil-gas separation barrel is connected with an oil inlet of the double-screw compressor body through the oil-gas cooler; and an explosion-proof type fan is assembled below the oil-gas cooler. According to the explosion-proof type double-screw methane compressor, methane can be effectively collected and pressurized, a waste treatment problem is solved, the environment is beautified, high-quality energy can be produced at the same time, and great economic benefits and social benefits are created; and the double-screw compressor is used as a compression body, so that the explosion-proof type double-screw methane compressor has excellent and reliable performance.
Description
Technical field
The utility model belongs to the Compressor Technology field, relates to a kind of compressor assembly with collection and pressurized gas function, more particularly relates to a kind of explosion-proof type twin screw Marsh gas compression machine.
Background technology
Along with the high speed development of world economy, the continuing to bring out of world energy sources crisis, oil, Sweet natural gas equal energy source supply day are becoming tight, and the sewage work in city, the biogas that garbage loading embeading factory produces, as a kind of clean energy, be subject to more and more people's attention.In general sewage work and garbage loading embeading factory digestion gas, the content of methane is about 60%～65%, CO
2content approximately 20%～25%, other various gas is as H
2s, water vapour etc. account for 5%～15%; Combustion heat value is about 21～23mJ/m3, is a kind of good fuel.
Biogas purifies (dehydration of biogas, desulfurization) as a kind of high-quality clean energy in process, compression, filter, dry, after passing through stable-pressure device again, can supply with Biogas Generator Set generating, meet the self-sufficiency supply of part power supply of the consumer of Sewage Plant and garbage loading embeading factory, realize effective utilization of municipal wastewater treatment plant and garbage loading embeading factory biogas, not only to improving exhaust quality but also energy-conservation and reduction working cost being had to very large meaning.
Traditional Marsh gas compression machine is all piston-type Marsh gas compression machine basically at present, but there is following shortcoming in piston-type Marsh gas compression machine:
1, piston-type Marsh gas compression machine has many consumable accessorys such as air valve, piston, piston ring, and reliability of operation is poor continuously, and maintenance cost is high, can affect normal production on the one hand, can increase on the other hand the expense of maintaining;
2, with double-screw compressor, compare, the efficiency of reciprocating compressor is low, particularly long-term operation continuously, and its economy is poorer.Owing to being all much consumable accessory in the formed compression chamber of reciprocating compressor, the wearing and tearing of these consumable accessorys larger leakage when will cause gas compression, finally cause the reduction of compressor efficiency;
3, reciprocating compressor is reciprocation compressor, exists the mass force that can not eliminate, and while therefore moving, greatly, noise is high in vibration, needs special fixed base during installation;
4, reciprocating compressor is reciprocal discontinuity air feed, and during operation, gas is large.
The utility model content
The purpose of this utility model be to provide a kind of for biogas is collected, a kind of explosion-proof type twin screw Marsh gas compression machine of supercharging, it adopts double-screw compressor as the compression main frame, have simple in structure, force balance is good, vibrate little, noise is low, reliable operation and easy to operate, efficiency is high, and gas transmission is steady, the advantage of airless pulsation, solved the problems referred to above that existing piston-type Marsh gas compression machine exists.
The technical scheme that the utility model adopts is, a kind of explosion-proof type twin screw Marsh gas compression machine is provided, comprise rack-mounted flame-proof type electrical control cubicles, explosion-proof motor and double-screw compressor main frame, the biogas admission passage that described double-screw compressor main frame inlet mouth connects through intake valve is provided with air water separator, the air-fuel mixture pipeline of double-screw compressor main frame outlet is connected to the gas-oil separation bucket, in gas-oil separation bucket top through combination valve, the methane pipeline that oil-gas separating core connects is connected to the oil gas water cooler, oil-gas separating core is also through combination valve, used oil pipe connects the oil return opening of double-screw compressor main frame, the oil line of described gas-oil separation bucket oil outlet is connected with double-screw compressor main frame oil-in through the oil gas water cooler, the flame-proof type blower fan also is equipped with in described oil gas water cooler below, described air-fuel mixture pipeline is in-built the flame proof temperature sensor, also be provided with pilot piping between described intake valve and combination valve, pilot piping is provided with throttling valve and flame proof loads magnetic valve, and the biogas outlet pipe of described oil gas water cooler air outlet is provided with the flame proof pressure transmitter.
A kind of explosion-proof type twin screw Marsh gas compression machine described in the utility model, be further characterized in that,
Described double-screw compressor main frame is in transmission connection by belt and the explosion-proof motor be arranged on frame belt tension regulating mechanism bearing support articulated slab, being loaded on of the articulated slab the other end activity of described belt tension regulating mechanism bearing support adjusted on screw rod, the hold-down nut and the pressure spring that with adjustment screw rod epimere, are equipped with compress articulated slab, the adjustment screw rod hypomere of articulated slab is installed and is admittedly locked two stop nuts.
On the return line be provided with between described gas-oil separation bucket and biogas admission passage, safety valve is housed.
Oil line between described gas-oil separation bucket and oil gas water cooler is provided with temperature-sensing valve, and temperature-sensing valve is connected on the oil line between oil gas water cooler and double-screw compressor main frame along separate routes through an oil line.
Described oil gas water cooler below also is provided with the biogas leak detector.
A kind of explosion-proof type twin screw of the utility model Marsh gas compression function is effectively collected supercharging to biogas, when solving waste disposal problem and beautifying the environment, can also produce the high-quality energy, creates huge economic benefit and social benefit.By adopting the double-screw compressor main frame, have simple in structurely, force balance is good, vibrate little, noise is low, reliable operation and easy to operate, efficiency is high, and gas transmission is steady, the advantage of airless pulsation, make the utlity model has superior and reliable performance.In addition, by whole unit of the present utility model, all adopt explosion separation structure, guaranteed that complete machine is reliable, stable, safe operation, thereby guaranteed equipment and personnel's safety.
The accompanying drawing explanation
Fig. 1 is a kind of explosion-proof type twin screw of the utility model Marsh gas compression machine principle of work schematic diagram;
Fig. 2 a, Fig. 2 b and Fig. 2 c are a kind of explosion-proof type twin screw of the utility model Marsh gas compression machine structural representations;
Fig. 3 is the utility model gas-oil separation bucket and external oil-gas separating core structural representation;
Fig. 4 is the utility model explosion-proof motor and double-screw compressor main machine structure schematic diagram;
Fig. 5 is the utility model flame-proof type electric control cabinet structure schematic diagram.
In figure, 1. frame, 2. flame-proof type electrical control cubicles, 3. explosion-proof motor, 4. double-screw compressor main frame 5. intake valves, 6. biogas admission passage, 7. air water separator, 8. air-fuel mixture pipeline, 9. gas-oil separation bucket, 10. combination valve, 11. oil-gas separating core, 12. methane pipeline, 13. oil gas water cooler, 14. oil line, 15. flame-proof type blower fan, 16. flame proof temperature sensor, 17. pilot piping, 18. throttling valve, 19 flame proofs load magnetic valve, 20 biogas outlet pipes, 21. flame proof pressure transmitter, 22. return line, 23. safety valve, 24. oil line along separate routes, 25. temperature-sensing valve, 26. biogas leak detector, 27. belt, 28. articulated slab, 29. hold-down nut, 30. stop nut, 31. adjustment screw rod, 32. pressure spring, 33. oil return visor, 34. oil strainer, 35. operating panel, 36. scram button, 37.Y type filter, 38. micromanometer, 39. press table in system, 40. oil-release valve, 41. oil level gauge, 42. used oil pipe, 43. bearing support.
Pilot piping
air delivering pipeline
Oil line
the air-fuel mixture pipeline
Embodiment
Below in conjunction with fundamental diagram, structure the drawings and specific embodiments, the utility model is elaborated, does not therefore limit protection domain of the present utility model.
A kind of explosion-proof type twin screw Marsh gas compression machine is provided, as Fig. 1, Fig. 2 a, Fig. 2 b, shown in Fig. 2 c and Fig. 3, comprise the flame-proof type electrical control cubicles 2 be arranged on frame 1, explosion-proof motor 3 and double-screw compressor main frame 4, the biogas admission passage 6 that described double-screw compressor main frame 4 inlet mouths connect through intake valve 5 is provided with air water separator 7, the air-fuel mixture pipeline 8 of double-screw compressor main frame 4 outlets is connected to gas-oil separation bucket 9, in gas-oil separation bucket 9 tops through combination valve 10, the methane pipeline 12 that oil-gas separating core 11 connects is connected to oil gas water cooler 13, oil-gas separating core 11 is through combination valve 10, used oil pipe 42 connects the oil return opening of double-screw compressor main frame 4, the oil line 14 of described gas-oil separation bucket 9 oil outlets is connected with double-screw compressor main frame 4 oil-ins through oil gas water cooler 13, flame-proof type blower fan 15 also is equipped with in described oil gas water cooler 13 belows, in described air-fuel mixture pipeline 8, flame proof temperature sensor 16 is housed, also be provided with pilot piping 17 between described intake valve 5 and combination valve 10, pilot piping 17 is provided with throttling valve 18 and flame proof loads magnetic valve 19, and the biogas outlet pipe 20 of described oil gas water cooler 13 air outlets is provided with flame proof pressure transmitter 21.
On the return line 22 be provided with between gas-oil separation bucket 9 of the present utility model and biogas admission passage 6, safety valve 23 is housed, when amount regulating system is malfunctioning while causing in barrel of oil and gas that gaseous tension exceeds 0.1Mpa than rated discharge pressure, the automatic take-off pressure release of safety valve 23, and sent back in the biogas admission passage 6 that micromanometer 38 is housed by return line 22, guarantee by the biogas of safety valve 20 discharges, can not be leaked in the middle of air, make gas-oil separation bucket 9 Pressure Drops to rated discharge pressure, eliminate safe hidden trouble and prevent atmospheric pollution.
Described oil gas water cooler 13 belows also are provided with biogas leak detector 26.
As shown in Figure 4, the utility model double-screw compressor main frame 4 is in transmission connection by belt 27 and the explosion-proof motor 3 be arranged on frame 1 belt tension regulating mechanism bearing support 43 articulated slabs 28, being loaded on of articulated slab 28 the other end activities of described belt tension regulating mechanism bearing support 43 adjusted on screw rod 31, the hold-down nut 29 and the pressure spring 32 that with adjustment screw rod 31 epimeres, are equipped with compress articulated slabs 28, adjustment screw rod 31 hypomeres of articulated slab 28 are installed and are admittedly locked two stop nuts 30.
Explosion-proof motor 3 is installed on the hinged articulated slab 28 of the utility model belt tension regulating mechanism bearing support 43 on frame 1, with belt 27, explosion-proof motor 3 is connected with double-screw compressor main frame 4, because being installed on, articulated slab 28 the other ends of belt tension regulating mechanism bearing support 43 adjust on screw rod 31, the explosion-proof motor 3 of installing on articulated slab 28 is because self gravitation can make articulated slab 28 along adjusting screw rod 31 to the bottom, until be subject to the power of stretching of drawing of belt 27 tensionings, be positioned to adjust on screw rod 31, compress articulated slab 28 with the hold-down nut 29 of adjusting screw rod 31 epimeres and pressure spring 32 in adjusting on screw rod 31 again, the tension force of guaranteeing belt 27 remains at most suitable state.
Because utility model adopts unique belt tension automatic adjusting mechanism, its articulated slab 28 is articulated on frame 1 by bearing support 43, guaranteed the handiness that belt 27 is adjusted, and make the belt pulley on fire proof motor 3 main shafts and twin screw compression main frame 4 main shafts in the same plane all the time, in use procedure, under the elastic force effect of explosion-proof electric machine 3 deadweights and pressure spring 32, articulated slab 28 moves down along adjusting screw rod 31 automatically according to the variation of belt 27 tension force, realize that belt tension adjusts automatically, guarantee that belt tension remains at most suitable state, constant transmission efficiency and drive system reliability.
Situation about using according to belt 27, at adjustment screw rod 31 hypomeres that leave articulated slab 28 some distances, that two stop nuts 30 are fixing, after belt 27 is used a suitable segment length's time, the articulated slab 28 that fire proof motor 3 is installed contacts with stop nut 30, now, the time limit of service that belt 27 is described has arrived, and again changes the belt 27 normal operation of can starting shooting.
After explosion-proof motor 3 energisings of the present utility model start, the air water separator 7 elimination dust of biogas on biogas admission passage 6, impurity, enter in double-screw compressor main frame 4 and mixed with oil, compression, the oil gas mixed after compressing carries out roughing out in air-fuel mixture pipeline 8 enters gas-oil separation bucket 9, fuel-air mixture after roughing out again by oil-gas separating core 11 carry out fine separation with the oleaginousness that guarantees biogas in 3PPM, in methane pipeline 12 enters oil gas water cooler 13, carry out again cooling, cooled biogas flows out and supplies with required place and use through biogas outlet pipe 20.Flame proof pressure transmitter 21 on described biogas outlet pipe 20 is for measuring the exhaust pressure on biogas outlet pipe 20, and contrasted with pressure high limit, the pressure low limit set(ting)value of controller according to the exhaust pressure size of measuring, thereby control flame proof load magnetic valve 19 dead electricity or electric, to realize the conversion of a kind of explosion-proof type twin screw Marsh gas compression machine unloading, stress state.
In the utility model, oily flow process is: the pressure in gas-oil separation bucket 9 goes out oil pressure, after oil gas water cooler 13 is cooling, on oil line 14, the oil strainer 34 of filtering accuracy between 10 μ m～15 μ m filters again, remove impurity particle, by double-screw compressor main frame 4 oil-ins, sprayed in pressure space again, for cooled compressed biogas and lubricating bearings, and then discharged by 4 outlets of double-screw compressor main frame, enter gas-oil separation bucket 9 through air-fuel mixture pipeline 8, gas-oil separation bucket 9 is isolated most oil, all the other biogas containing mist of oil carry out fine separation through oil-gas separating core 11 again, after the oil that essence is separated filters by the y-type filter 37 on used oil pipe 42, pass through again oil return visor 33, push back in compressor host 4.On oil line between described gas-oil separation bucket 9 and oil gas water cooler 13, temperature-sensing valve 25 is housed, the utility model compressor is when just starting start, oil temperature is low, now temperature-sensing valve 25 can 24 be opened oil line automatically along separate routes, and oil does not need directly to enter in double-screw compressor main frame 4 through oil gas water cooler 13; When if oil temperature is increased to more than 71 ℃, temperature-sensing valve 25 can slowly be opened, until oil temperature is while reaching 80 ℃, temperature-sensing valve 25 just can be opened entirely, now oil can all enter in body after oil gas water cooler 13 is cooling again, have reasonable in designly, guarantee that exhaust temperature is higher than pressure leak source, to prevent the advantage such as emulsification of lubricant.
With reference to Fig. 5, described flame-proof type electrical control cubicles 2 is provided with operating panel 35 and scram button 36, electric elements are installed in flame-proof type electrical control cubicles 2, realize operation and the control of unit by operating panel 35 and scram button 36, have guaranteed the utility model reliability of operation and stability.Because biogas belongs to flammable explosive gas, therefore the electric installation of the utility model employing used, as motor, blower fan, loading magnetic valve, pressure transmitter, temperature sensor etc. all adopt the flame-proof type structure, all adopt unique explosion-proof structure by whole unit of the present utility model, guaranteed that complete machine is reliable, stable, safe operation.Be provided with flame proof temperature sensor 16 between double-screw compressor main frame 4 and gas-oil separation bucket 9; when in oil starvation or the situation such as environment is more severe, causing oil temperature too high; and when oil temperature reaches the ceiling temperature of setting; described flame proof temperature sensor 16 is through temperature detection; make unit realize the high temperature shutdown, guarantee the security that the utility model is used.In addition, state oil gas water cooler 13 belows and also be provided with biogas leak detector 26, when the situation that biogas is revealed occurring, by biogas leak detector 26, make unit realize reliable the shutdown, further guaranteed equipment and personnel's safety.
With reference to Fig. 1 and Fig. 3, in this enforcement, described gas-oil separation bucket 9 is the vertical oil-gas separating barrel, and described oil-gas separating core 11 is the external placed type oil-gas separating core.Adopt three-dimensional gas-oil separation bucket, there is the oil gas roughing out effective, can alleviate the load of oil-gas separating core 11, extend the work-ing life of oil-gas separating core 11, and its oil reserve is few, effectively reduces user's maintaining cost; Adopt external placed type oil-gas separating core 11, further reduce working strength and the cost of the care and maintenance of Marsh gas compression machine, reduce the replacing time of oil-gas separating core 11.Water and the dirt oil-release valve 40 that is deposited in gas-oil separation bucket 9 bottoms for excreting also is equipped with in the bottom of described gas-oil separation bucket 9, also be provided with pressure table 39 in the system for measuring the pressure before the interior oil-gas separator of gas-oil separation bucket 9 on gas-oil separation bucket 9, and for the height oil level gauge 41 that shows gas-oil separation bucket 9 interior oil levels to guarantee the security of complete machine operation.
With reference to Fig. 2 a and Fig. 2 c, described oil gas water cooler 13 and flame-proof type blower fan 15 all are arranged on the water cooler case, with the structure formation that existing blower fan is directly installed on water cooler, compare, this structure can make oil gas water cooler 13 not be subject to the effect of external force, longer service life; The maintaining of oil gas water cooler 13 and more change jobs has more conveniently reduced the working strength of changing simultaneously; Freezing air is by 15 suction of flame-proof type blower fan, and, after blowing over the fin of oil gas water cooler 13, with compressed biogas and oil, does heat exchange, reaches cooling performance.
The utility model adopts double-screw compressor as the compression main frame, make the utlity model has superior and reliable performance, its have balance good, vibrate little, noise is low, efficiency is high, reliable operation and easy to operate, gas transmission is steady, the advantage of airless pulsation, can be applied to the biogas that the places such as municipal sewage plant, city refuse landfill and large-scale livestock plant produce and be collected supercharging; The high-quality energy be can produce when solving waste disposal problem, beautifying the environment, huge economic benefit and social benefit createed.Especially there is huge realistic meaning concerning rural areas in our country, Rural areas marsh gas raw materials abundance, if utilize agriculture production waste, excrement of animals to carry out fermentation methane production, the a large amount of biogas that produce can be used for generating, to supply with every household, use, can realize science, reasonable, efficient application biogas energy, there is huge realistic meaning.
Above-mentioned embodiment is an example of the present utility model; not for limiting enforcement of the present utility model and interest field; all equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (5)
1. an explosion-proof type twin screw Marsh gas compression machine, it is characterized in that, comprise the flame-proof type electrical control cubicles (2) be arranged on frame (1), explosion-proof motor (3) and double-screw compressor main frame (4), the biogas admission passage (6) that described double-screw compressor main frame (4) inlet mouth connects through intake valve (5) is provided with air water separator (7), the air-fuel mixture pipeline (8) of double-screw compressor main frame (4) outlet is connected to gas-oil separation bucket (9), in gas-oil separation bucket (9) top through combination valve (10), the methane pipeline (12) that oil-gas separating core (11) connects is connected to oil gas water cooler (13), oil-gas separating core (11) is also through combination valve (10), used oil pipe (42) connects the oil return opening of double-screw compressor main frame (4), the oil line (14) of described gas-oil separation bucket (9) oil outlet is connected with double-screw compressor main frame (4) oil-in through oil gas water cooler (13), flame-proof type blower fan (15) also is equipped with in described oil gas water cooler (13) below, flame proof temperature sensor (16) is housed in described air-fuel mixture pipeline (8), also be provided with pilot piping (17) between described intake valve (5) and combination valve (10), pilot piping (17) is provided with throttling valve (18) and flame proof loads magnetic valve (19), and the biogas outlet pipe (20) of described oil gas water cooler (13) air outlet is provided with flame proof pressure transmitter (21).
2. a kind of explosion-proof type twin screw Marsh gas compression machine according to claim 1, it is characterized in that, described double-screw compressor main frame (4) is in transmission connection by belt (27) and the explosion-proof motor (3) be arranged on frame (1) belt tension regulating mechanism bearing support (43) articulated slab (28), being loaded on of articulated slab (28) the other end activity of described belt tension regulating mechanism bearing support (43) adjusted on screw rod (31), the hold-down nut (29) and the pressure spring (32) that with adjustment screw rod (31) epimere, are equipped with compress articulated slab (28), adjustment screw rod (31) hypomere of articulated slab (28) is installed and is admittedly locked two stop nuts (30).
3. a kind of explosion-proof type twin screw Marsh gas compression machine according to claim 1, is characterized in that, on the return line (22) be provided with between described gas-oil separation bucket (9) and biogas admission passage (6), safety valve (23) is housed.
4. a kind of explosion-proof type twin screw Marsh gas compression machine according to claim 1, it is characterized in that, oil line (14) between described gas-oil separation bucket (9) and oil gas water cooler (13) is provided with temperature-sensing valve (25), and temperature-sensing valve (25) is connected on the oil line (14) between oil gas water cooler (13) and double-screw compressor main frame (4) through an oil line shunt (24).
5. a kind of explosion-proof type twin screw Marsh gas compression machine according to claim 1, is characterized in that, biogas leak detector (26) also is equipped with in described oil gas water cooler (13) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272430 CN203346365U (en) | 2013-05-17 | 2013-05-17 | Explosion-proof type double-screw methane compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272430 CN203346365U (en) | 2013-05-17 | 2013-05-17 | Explosion-proof type double-screw methane compressor |
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| CN203346365U true CN203346365U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320272430 Expired - Fee Related CN203346365U (en) | 2013-05-17 | 2013-05-17 | Explosion-proof type double-screw methane compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626119A (en) * | 2018-06-28 | 2018-10-09 | 广东艾林克能源装备有限公司 | A kind of intelligence air compression system |
| CN116877437A (en) * | 2023-09-08 | 2023-10-13 | 广东艾高装备科技有限公司 | Small-displacement high-pressure screw compressor and air leakage prevention and emulsification prevention control method |
-
2013
- 2013-05-17 CN CN 201320272430 patent/CN203346365U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626119A (en) * | 2018-06-28 | 2018-10-09 | 广东艾林克能源装备有限公司 | A kind of intelligence air compression system |
| CN116877437A (en) * | 2023-09-08 | 2023-10-13 | 广东艾高装备科技有限公司 | Small-displacement high-pressure screw compressor and air leakage prevention and emulsification prevention control method |
| CN116877437B (en) * | 2023-09-08 | 2023-11-17 | 广东艾高装备科技有限公司 | Small-displacement high-pressure screw compressor and air leakage prevention and emulsification prevention control method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20150517 |
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| EXPY | Termination of patent right or utility model |