CN2558653Y

CN2558653Y - Methane producing storage device

Info

Publication number: CN2558653Y
Application number: CN02239759U
Authority: CN
Inventors: 张世严; 李永东
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-10
Filing date: 2002-07-10
Publication date: 2003-07-02
Anticipated expiration: 2012-07-10

Abstract

The utility model relates to a storing device used for methane production, which is designed to provide a methane production device with the advantages of stable methane pressure, being easy to maintenance, diversification of fermentation material, long service life, high methane yielding rate and no crusting. The utility model comprises a methane generator1, a methane storing vessel2, a fermentation tank4, methane pipeline3, a methane storing tank 9, a methane storing drum10, a T joint. The technical proposal is characterized in that: firstly, the safety of methane production, storage and usage is preferentially considered to ensure personal and equipment security; secondly, the technical force of the existing all-grade methane energy is fully used to fast promote methane energy to be applied to rural area; thirdly, manufacturing mechanization degree of methane production and storage equipment is enhanced.

Description

The biogas production storing unit

The present invention relates to a kind of firedamp gas equipment, specifically, it relates to a kind ofly can produce the firedamp gas equipment that biogas can store biogas again.

At present, the generation and the storing unit of domestic and international household biogas, it is material that majority is still selected cement, mortar, brick for use, forms through the artificial system of building, people are referred to as methane-generating pit.The history of the type methane-generating pit existing decades develops quite perfectly, and its relative merits people are very familiar.Major advantage is to utilize organism such as human and animal excreta, straw to produce clean energy.Main drawback is as follows:

After the at first this building biomass pool success, in case gas leakage can not be used maintenance difficult.Secondly the building biomass pool state of the art requires height, and especially construction difficulty in methane-generating pit top is bigger, can only single household build, and can't produce other parts with batch production, and construction speed is slow, can't promote fast.If the 3rd using crop straw, leaf, forage etc. are as fermentation raw material, these raw materials advance the pond difficulty, go out Chi Yenan.The biogas pressure instability of the 4th methane-generating pit, thereby efficiency of combustion is low.The 5th methane-generating pit top discontinuity breaks away from fermentation raw material liquid, make the fermentation raw material particle as coating attached to the top, accumulate over a long period and form duricrust.The 6th methane-generating pit leak rate height, factor of created gase is low.

The objective of the invention is to overcome above-mentioned deficiency of the prior art, provide that a kind of biogas pressure is stable, easy to maintenance, factor of created gase is high, fermentation raw material is diversified, floor space is little, long service life, low price, do not crust, can promote fast, but biogas production storing unit that mechanize is produced.

The objective of the invention is to be achieved through the following technical solutions.

Biogas production storing unit of the present invention comprises biogas generator, biogas holder, biogas pipeline, check valve, threeway etc., and wherein biogas generator and biogas holder strange land are provided with, and by biogas pipeline both are coupled together.

Biogas production storing unit of the present invention, biogas generator comprise fermentation tank body, cover, feed-pipe, discharge nozzle, exhaust guide.The fermentation tank body is spherical or other shape, and fermentation tank body (or gas receiver) is to be combined by a plurality of parts, and each parts all has particular manufacturing craft, and by the injection moulding machine injection moulding, each parts all has the convex-concave joint portion, is convenient to the combination assembling.Feed-pipe and discharge nozzle also all have particular manufacturing craft, by the injection moulding machine injection moulding.

The fermentation tank body first half is that upper tank body, Lower Half are lower tank, is tightly connected between the last lower tank.The cover of fermentation tank body is divided into and maintains static and floatable two types: the fixed fermentor tank of cover, there is ring flange the upper tank body upper end, between cover and the ring flange gasket is arranged, and is connected by bolt.Peeler is equipped with in the cover bottom, puts a floating matter that some apertures are arranged in the peeler, and this thing lower part immerses liquid internal first half in liquid external.The fermentor tank cover can fluctuate, and there is a tank upper tank body upper end, and salt solution or calcium chloride water are arranged in the tank, and cover is put into tank, by salt solution or calcium chloride water cover and tank body is tightly connected, and counterweight is arranged at cover top, and peeler is arranged at the bottom.

The liquid level height poor and jar interior biogas rated pressure water column that the charging mouth of pipe, the discharging mouth of pipe and fermentor tank are filled feed liquid compares, and the former is greater than latter 10cm.

Biogas production storing unit of the present invention, biogas holder comprise gas storage pond, gas receiver, support, sliding sleeve, slide bar, biogas conduit, slide block guide groove, counterweight.The gas storage pond is the prefabricated or articles injection-moulded combination of cement mortar, and water or salt solution, calcium chloride water are housed in the pond.Top, pond mounting bracket, the support center upper portion is equipped with sliding sleeve, and the slider guide groove is arranged on the pool inner wall.The pond is than the high 10-30cm of gas receiver, and 2-3 slide block is equipped with in the gas receiver bottom, and counterweight is installed in the lower end of gas receiver, and end periphery has a plurality of web members under the gas receiver, is convenient to be connected with counterweight.Counterweight is that stone or prefabricated component are housed in the reticulation, and it is outside that counterweight also can be installed in the gas receiver upper end.The outside central authorities of gas receiver are equipped with slide bar, and the slide bar the other end slides up and down in sliding sleeve by the sliding sleeve internal surface.The biogas conduit is arranged at gas receiver top, and biogas conduit and biogas pipeline one end are tightly connected, and the other end and threeway are tightly connected.Check valve one end and threeway are tightly connected, and the other end communicates with kitchen range by biogas pipeline.

Biogas production storing unit of the present invention, owing to adopt injection moulding machine to make component, the manufacturing time of every cover biogas production storing unit is very short, thereby biogas technology is speeded up applying of rural area; Drive into from the fermentor tank top, discharge hole, feed-pipe, discharge nozzle are installed, also have overflow port on the discharge nozzle.The input and output material mouth of pipe and fermentor tank are filled the difference of altitude poor and jar interior biogas rated pressure water column of the liquid level of raw material and are compared, and the former is greater than latter 10cm.Therefore, not only having guaranteed has a stable biogas pressure in the gas receiver, do not need to use water pressure house yet, moreover marsh-gas fermentation tank can bury entirely or partly bury underground, pigsties etc. can be built in above the marsh-gas fermentation tank, each peasant household saves 8 square metres of soils, and the whole nation 100,000,000 peasant households are calculated, and can save more than 120 ten thousand mu of soils.

For fast-developing biogas industry, biogas generator, biogas holder use glass fibre, composite resin, plastics to be raw material, and version adopts following three kinds of modes:

1, each parts of biogas generator, biogas holder all use the injection moulding mode to make.

2, fermentor tank Lower Half, gas storage sump water cement mortar are built, and the fermentor tank first half, gas receiver are made with moulding.

3, the fermentor tank first half, gas receiver, feed-pipe, discharge nozzle form with glass fibre, composite resin manufacturing, fermentor tank Lower Half, gas storage sump water cement mortar, the brick system of manually building.

Other details and the characteristics of biogas production storing unit of the present invention can just can be cheer and bright by reading the example of hereinafter describing in conjunction with the accompanying drawings.

Fig. 1 is a biogas production storing unit overall structure synoptic diagram of the present invention;

Fig. 2 is an embodiment sectional structure synoptic diagram of the biogas generator of biogas production storing unit of the present invention;

Fig. 3 is an embodiment sectional structure synoptic diagram of the biogas holder of biogas production storing unit of the present invention;

Fig. 4 is another embodiment sectional structure synoptic diagram of the biogas generator of biogas production storing unit of the present invention.

The overall structure of biogas production storing unit as shown in Figure 1, it comprises biogas generator 1, biogas holder 2, threeway 16, check valve 24 and the biogas pipeline 3 that threeway 16 and biogas generator 1, biogas holder 2, check valve 24 are coupled together.Biogas generator 1 and biogas holder 2 strange lands are provided with.Drifting along of gas receiver 10 determines that by the biogas pressure in the fermentation tank body 4 pressure then floats greater than rated value entirely, and pressure then sinks less than rated value.When the biogas pressure in fermentation tank body 4, the gas receiver 10 during less than external atmospheric pressure, check valve 24 is just closed, with the burning of can not blasting of the tank body 4 that guarantees to ferment, gas receiver 10.

Biogas generator 1 as shown in Figure 2, it comprises fermentation tank body 4, fermentation tank body upper end has to have between biogas comb 3 ', cover 7 and the ring flange 15 on ring flange 15, feed-pipe 5, the charging mouth of pipe 5 ', discharge nozzle 6, the discharging mouth of pipe 6 ', cover 7, the cover gasket 20, with bolt 14 three is tightly connected.Fermented liquid 23 is housed in the fermentor tank, and biogas comb 3 ' is tightly connected with biogas pipeline 3.

Biogas holder as shown in Figure 3, it comprises gas storage pond 9, gas receiver 10, support 11, slide bar 13, sliding sleeve 12, biogas conduit 3 ", slide block 19, slide block guide groove 17, water, salt solution or calcium chloride water 18, counterweight 25.Slide bar 13 1 ends easy on and off in sliding sleeve 12 slides, and slide block 19 easy on and off in slide block guide groove 17 slides, to guarantee that gas receiver 10 can be not crooked.Biogas conduit 3 " be tightly connected with biogas pipeline 16, counterweight 25 is installed in the top of gas receiver 10, also can be installed in the bottom of gas receiver 10 and the position between 9 inner bottom parts of gas storage pond.

Biogas generator as shown in Figure 4 is that with the difference of biogas generator shown in Figure 2 the former floats at the cover 7 ' that ferments, and latter's cover 7 that ferments is fixed.There is counterweight 21 cover 7 ' outside, and peeler 8 ' is equipped with in inside, and biogas comb 3 ' is arranged on the cover 7 ', and floating cover 7 ' is placed in the tank 22, by the water in the tank 22 or salt solution, calcium chloride water 26, cover 7 ' and fermentation tank body 4 is tightly connected.

The present invention produces, when storing, must fill fermented feed liquid 23 in the fermentation tank body 4 as biogas; When not producing biogas, the liquid level in feed-pipe 5, discharge nozzle 6, the fermentation tank body 4 does not have difference of altitude.Along with biogas pressure increases, the liquid level in feed-pipe 5, the discharge nozzle 6 raises, and the liquid level in the fermentation tank body 4 has small decline.When biogas pressure reached rated value, the liquid level in the feed-pipe 5, discharge nozzle 6 had a level altitude poor with liquid level in the fermentation tank body 4, at this moment, if use biogas generator 1 shown in Figure 2, floating matter 8 " slight descending motion arranged; If use biogas generator 1 shown in Figure 4, be placed on floating cover 7 ' in the saline slot 22 along with inside and outside liquid level changes, floating cover 7 ' inboard liquid level descends, the liquid level in the floating cover 7 ' outside raises, and the difference of altitude of its liquid level is identical with liquid level differences in feed-pipe 5, discharge nozzle 6 and the tank body 4 that ferments.Peeler 8 ' upwards floats along with floating cover 7 ' behind the 5cm, can not be risen by pigsty ground cement plate resistance retaining again, and the rising that gas receiver 10 shown in Figure 3 does not stop is stored in the biogas that produces in the biogas generator 1 in the gas receiver 10.

The present invention is when using biogas, and along with the minimizing of biogas pressure, the biogas pressure in the gas receiver 10 is tending towards reducing, and gas receiver 10 just descends to keep a nominal biogas pressure.When the biogas amount in the gas receiver 10 seldom the time, gas receiver 10 drops to the inside in gas storage pond 9, and the top of gas receiver 10 is flooded by salt solution.If continue to use biogas, when biogas pressure was lower than external atmosphere pressure, check valve was closed automatically, to avoid explosive combustion.

Claims

1, a kind of biogas production storing unit, comprise biogas generator (1), biogas holder (2), biogas pipeline (3), threeway (16), check valve (24), fermentation tank body (4), the charging mouth of pipe (5 '), the discharging mouth of pipe (6 '), cover (7,7 '), peeler (8), gas storage pond (9), gas receiver (10), support (11), sliding sleeve (12), slide bar (13), it is characterized in that the charging mouth of pipe (5 '), the discharging mouth of pipe (6 ') is poor with the liquid level that fermentation tank body (4) is filled feed liquid, height greater than biogas rated pressure water column in the jar, fermentation tank body (4), gas receiver (10), combine by the parts of a plurality of moulds respectively through injection moulding, by bolt (14) will ferment cover (7) with the fermentation tank body (4) ring flange (15) be tightly connected, perhaps by tank (22) will float cover (7 ') with the fermentation tank body (4) be tightly connected.

2, according to the described biogas production storing unit of claim 1, what it is characterized in that putting in tank (22), gas storage pond (9) is water, salt solution or calcium chloride water.

3, biogas production storing unit according to claim 1 is characterized in that slide bar (13) one ends are connected with gas receiver (10) top, and the other end slides up and down in sliding sleeve (12).

4, biogas production storing unit according to claim 1 is characterized in that each articles injection-mouldedly all has a convex-concave joint portion, firmly couples together the joint portion with glue.

5, biogas production storing unit according to claim 1, it is characterized in that each articles injection-moulded be raw material with glass fibre, composite resin, plastics.

6, biogas production storing unit according to claim 1 is characterized in that the full liquid level height poor and jar interior biogas pressure water column of the charging mouth of pipe (5 '), the discharging mouth of pipe (6 ') and the tank body (4) that ferments is compared, and the former is greater than latter 10cm.

7, biogas production storing unit according to claim 1 is characterized in that being equipped with between threeway (16) and biogas kitchen range, the light fixture check valve (24).

8, biogas production storing unit according to claim 1 is characterized in that the diameter of cover (7,7 ') is between the 60-80cm.

9, biogas production storing unit according to claim 1 is characterized in that can not being risen by ground cement plate resistance retaining behind the upwards unsteady 5cm of cover (7 ') again.