CN103333791A - Methane generating system for laboratory - Google Patents
Methane generating system for laboratory Download PDFInfo
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- CN103333791A CN103333791A CN2013102306356A CN201310230635A CN103333791A CN 103333791 A CN103333791 A CN 103333791A CN 2013102306356 A CN2013102306356 A CN 2013102306356A CN 201310230635 A CN201310230635 A CN 201310230635A CN 103333791 A CN103333791 A CN 103333791A
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Abstract
The invention provides a methane generating system for a laboratory, belonging to the technical field of methane. Due to the adoption of the methane generating system, the technical problems of low methane generating efficiency, inconvenience in methane collection, large occupied space of a methane storage device and the like in the existing methane generating system can be solved. The methane generating system comprises a methane-liquid container, a constant-temperature magnetic stirrer and a collecting container, wherein the methane-liquid container is arranged on the constant-temperature magnetic stirrer; the upper part of the methane-liquid container is provided with an opening I which is internally provided with a sealing piece I; the collecting container is internally provided with a sealing piece II which divides the collecting container into an upper containing cavity and a lower containing cavity in a sealing manner; a boosting pump is also arranged between the methane-liquid container and the collecting container; the input end of the boosting pump is communicated with the methane-liquid container by a connecting pipe I, and the output end of the boosting pump is communicated with the lower containing cavity of the collecting container by a connecting pipe II; the sealing piece II is also provided with a methane outlet valve; the other end of the methane outlet valve is connected with a storage device. The methane generating system provided by the invention has the advantages of high methane generating efficiency, convenience in the methane collecting and small occupied space of the methane storage device.
Description
Technical field
The invention belongs to the biogas technology field, relate to a kind of biogas and produce the biogas generation system that system, particularly a kind of laboratory use.
Background technology
Along with expanding economy, people use the excess load of Nonrenewable resources, make various countries all be faced with acid test to energy problem, and the energy also becomes the important leverage of various countries' sustainable economic development.Biogas is a kind of clean energy in China rural area, it is to utilize the discarded stalk of farm crop to produce through fermentation, it can be used for heating up water, cooks etc., can be for the human natural resources such as a large amount of fire coals, timber of saving, and the biogas after the burning can not produce environment and pollutes.
But people are not very ripe to the production technology of biogas at present, and ubiquity production efficiency is the high-technology problem not.Usually, people need at first in the laboratory biogas production system to be tested, to probe into the method that improves biogas efficient.And, under lab, the biogas that people normally adopt biogas bag or biogas jar to collect to be produced by biogas production system, this ubiquity is collected gas inconvenience and is taken problems such as lab space is big.
Because there are above-mentioned many deficiencies in existing biogas production system, so, for those skilled in the art, be still waiting to develop a kind of new biogas production system and have many deficiencies such as biogas yield is low, the inconvenience of collection gas to solve existing methane-generating pit, thereby on the basis of test, it is applied, thereby for the mankind provide more biogas, promote economic Sustainable development fast.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, the biogas that has proposed to use in a kind of laboratory produces system, and this biogas generation system has the gas producing efficiency height, collects gas characteristics easily.
Purpose of the present invention can realize by following technical proposal: the biogas that a kind of laboratory is used produces system, comprise the natural pond liquid container for storage natural pond liquid, constant temperature blender with magnetic force and be used for to collect the collection container of biogas, described natural pond liquid container is arranged on the constant temperature blender with magnetic force, liquid container top, natural pond has opening one, described collection container top has opening two, be provided with the sealing member one that opening one can be closed in the liquid container of described natural pond, be provided with the sealing member two that the cavity volume sealed separation in the collection container can be become last cavity volume and following cavity volume in the described collection container, in the described following cavity volume water be housed; Also be provided with topping-up pump between described natural pond liquid container and the collection container, the input terminus of described topping-up pump is connected with described natural pond liquid container by pipe connecting one, and pipe connecting one keeps sealing with the natural pond liquid container, described supercharging delivery side of pump is connected with the following cavity volume of described collection container by pipe connecting two, and pipe connecting two keeps sealing with collection container, offer on the described sealing member two and connect the communicating pores of going up cavity volume and following cavity volume, be provided with air outlet valve in the described communicating pores, the other end of described air outlet valve links to each other with a storing unit.
The biogas that this laboratory is used produces system, and its principle of work is such, at first, puts into an amount of natural pond liquid in the liquid container of natural pond, puts into an amount of water in collection container; Then, start constant temperature blender with magnetic force, under the effect of constant temperature blender with magnetic force, the natural pond liquid in the liquid container of natural pond is stirred, will produce a large amount of biogas in the liquid container of natural pond; Then, under the effect of topping-up pump, topping-up pump can extract biogas in the liquid container of natural pond, and makes formation vacuum in the liquid container of natural pond, biogas enters into collection container through pipe connecting one and pipe connecting two, utilizes drainage that biogas is stored in the following cavity of collection container; At last, open air outlet valve, just the biogas in the collection container can be transported in the storing unit.
In the biogas generation system that above-mentioned laboratory is used, described storing unit comprises that base and several inside have the gas-storing bag of gas storage cavity, vertical axial fixedly has column on the described base, described gas-storing bag middle part has open holes, described gas storage cavity and described open holes keep sealing, sealing and fixing has the tracheae that is connected with gas storage cavity on the described gas-storing bag, described some gas-storing bags are set on the column successively, be cascaded by the gas storage cavity of a pipeline structure with each gas-storing bag between described some tracheaes, also being arranged with on the described column can be with the pressure holding mechanism of gas-storing bag pressure holding on base; Described gas-storing bag comprises ringwise bag one and bag two, described bag one and bag two are close to up and down, the outer edge of bag one and bag two all seals and is fixed together, the looping pit at bag one and bag two middle parts forms above-mentioned open holes, and the cavity between bag one and the bag two forms above-mentioned gas storage cavity; Above-mentioned tracheae one end sealing and fixing is on described bag one or bag two, and tracheae is connected with described gas storage cavity, and the described tracheae the other end is blind end, offers the connecting hole that is connected with the tracheae internal passages on the body of described tracheae; Described pipeline structure comprises that several connect valve and house steward, described house steward's one end has connected entrance, described connected entrance is connected with above-mentioned air outlet valve by pipe connecting three, described house steward's the other end is blind end, described connection valve one end is sealedly connected in the connecting hole of above-mentioned tracheae, described connection valve the other end sealing and fixing and is connected with the inner manifold passage on described house steward's body.
The principle of work of this storing unit is such, gas-storing bag is sheathed to the column of base successively, open the air outlet valve in the collection container, just the biogas in the collection container can be stored into by pipeline structure that gas-storing bag suffered, can make the gas-storing bag toward base by pressure holding mechanism again, thereby the volume of gas-storing bag is minimized, reduce taking up room of gas-storing bag.Concrete, gas-storing bag adopts plastic material to make, and not only easily manufactured, production cost is low, and good airproof performance, and is easy to carry.One end of tracheae is connected with gas-storing bag, the other end sealing, and by connecting valve from the sidepiece input biogas of tracheae, can make the stack of gas-storing bag more smooth and easy.Employing connection valve control house steward is communicated with and disconnection with gas-storing bag, can realize the automatic control that biogas is carried.
In the biogas generation system that above-mentioned laboratory is used, described pipe connecting one is passed with described natural pond liquid container by described sealing member one and is connected, and described sealing member one and sealing member two all adopt elastomeric material to make; Described constant temperature blender with magnetic force also is connected with temperature sensor, and described temperature sensor is passed by described sealing member one and enters in the liquid container of described natural pond.Offer through hole one and through hole two on the sealing member one, the external diameter of pipe connecting one is the diameter that is a bit larger tham through hole one, this just can make pipe connecting one pass this through hole for the moment, can keep the wringing fit state with sealing member one, thereby form sealing, biogas is overflowed from the gap of pipe connecting one and sealing member one; It is shaft-like that temperature sensor is, and the external diameter of temperature sensor is a bit larger tham the diameter of through hole two, makes sealing member one and temperature sensor form sealing equally.
In the biogas generation system that above-mentioned laboratory is used, bearing support is fixedly arranged on the described base, be provided with bearing in the described bearing support, described column comprises hypomere and the epimere that is fixed on the hypomere, described hypomere wears and is fixed on the inner ring of described bearing, and described epimere has outside screw.Design just can make column rotate at base along with bearing inner race like this.
In the biogas generation system that above-mentioned laboratory is used, described pressure holding mechanism comprises pressing plate, spring and nut, described pressing plate middle part has hatch, above-mentioned column passes described hatch, described nut thread is connected on the epimere of described column, described spring is in compressed state, and the spring upper end is fixed on the nut, and described spring lower end is fixed on the upper face of described pressing plate.Gas-storing bag is being collected in the process of biogas, because spring is to be in compressed state always, pressing plate is to be pressed in all the time on the uppermost gas-storing bag, along with heaving of gas-storing bag, pressing plate will rise, yet rely on the elastic force of spring that the volume of gas-storing bag is in the minimum state always, thereby reduce taking up room of gas-storing bag.
As another situation, in the biogas generation system that above-mentioned laboratory is used, described pressure holding mechanism comprises nut and pressing plate in the form of a ring, and described pressing plate is set on the described column, and described nut thread is connected on the epimere of described column.On uppermost gas-storing bag, pressing plate can move upward along with heaving of gas-storing bag the lower face of pressing plate simultaneously, moves downward along with the shrivelled of gas-storing bag, thereby reduces taking up room of gas-storing bag in pressure holding all the time under its action of gravity; Nut can prevent that pressing plate breaks away from column.
In the biogas generation system that above-mentioned laboratory is used, the epimere of described column also links to each other with a driving mechanism that can drive its rotation.By this driving mechanism just suitably setting nut be in position on the column, all be in compressed state under the gaseity thereby make spring gas be arranged or do not have at gas-storing bag, thereby gas-storing bag exerted pressure.
In the biogas generation system that above-mentioned laboratory is used, described driving mechanism comprises support, shaft coupling and motor, and described motor is fixed on the base by support, and described shaft coupling is arranged between the epimere of the output shaft of motor and column.Rotating by the control motor just can make column generation rotating by shaft coupling, thereby adjusts the position of nut on column.Motor just changes, and column and then just changes, and nut rises; The motor counter-rotating, column is counter-rotating and then, and nut descends.
As another situation, in the biogas generation system that above-mentioned laboratory is used, described driving mechanism comprises driving toothed gear, follower gear, chain and motor, described driving toothed gear is fixed on the output shaft of motor, described follower gear is fixed on the epimere of column, described chain is arranged between driving toothed gear and the follower gear, and described motor is fixed on the base by a fixed link.Rotating by the control motor just can make column generation rotating by chain, thereby adjusts the position of nut on column.Motor just changes, and driving toothed gear just changes, and driving column by chain just changes, and nut rises; The motor counter-rotating, the driving toothed gear counter-rotating drives the column counter-rotating by chain, and nut descends.
In the biogas generation system that above-mentioned laboratory is used, described connection valve is magnetic valve, and the PLC programmable logic controller is also fixedly arranged on the described base, and described connection valve all links to each other with described PLC programmable logic controller by circuit with above-mentioned motor.Gas-storing bag is being collected in the process of biogas, the PLC programmable logic controller can be opened by one of them magnetic valve of autocommand, and in the gas-storing bag that is communicated with it, import biogas, when this gas-storing bag collection is full, the PLC programmable logic controller will be ordered this closed electromagnetic valve, and order next magnetic valve to be opened, so circulation is all collected full biogas with the whole gas-storing bags on the column.Can also control the rotating of motor by this PLC programmable logic controller.
Compared with prior art, the biogas generation system that uses of this laboratory has the following advantages:
1, the present invention is evacuated to natural pond liquid container inner chamber by topping-up pump, just can effectively improve the gas producing efficiency of natural pond liquid.
2, the present invention collects biogas by gas-storing bag, and not only easily manufactured, production cost is low, and good airproof performance, and is easy to carry.
3, the present invention is by a plurality of gas-storing bags that superpose successively on column, place a pressing plate at gas-storing bag, and pressing plate is linked to each other with a compression spring, just can make pressing plate pressure holding all the time on uppermost gas-storing bag, under the effect of spring, pressing plate can move upward along with heaving of gas-storing bag, moves downward along with the shrivelled of gas-storing bag; Rely on the elastic force of spring that the volume of gas-storing bag is in the minimum state always, thereby reduce taking up room of gas-storing bag.
4, the present invention can realize that by connection and the disconnection of PLC Controlled by Programmable Controller connection valve the continuity of gas-storing bag is carried biogas.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of collection container among the present invention;
Fig. 3 is the structural representation of storing unit among the present invention;
Fig. 4 is the sectional view of gas-storing bag among the present invention;
Fig. 5 is the structural representation of embodiment three among the present invention.
Among the figure, 1, the natural pond liquid container; 2, constant temperature blender with magnetic force; 3, collection container; 31, go up cavity volume; 32, following cavity volume; 4, sealing member one; 5, sealing member two; 6, topping-up pump; 7, pipe connecting one; 8, pipe connecting two; 9, air outlet valve; 10, temperature sensor; 11, discharger; 12, base; 13, gas-storing bag; 13a, bag one; 13b, bag two; 13c, gas storage cavity; 14, column; 15, tracheae; 16, connect valve; 17, house steward; 18, pipe connecting three; 19, bearing support; 20, pressing plate; 21, spring; 22, nut; 23, motor; 24, shaft coupling; 25, support; 26, PLC programmable logic controller; 27, driving toothed gear; 28, follower gear; 29, chain; 30, fixed link.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment one
As shown in Figure 1, biogas that a kind of laboratory is used produces system, comprises for natural pond liquid container 1, the constant temperature blender with magnetic force 2 of storage natural pond liquid and is used for collecting the collection container 3 of biogas, and natural pond liquid container 1 is arranged on the constant temperature blender with magnetic force 2; Also be provided with topping-up pump 6 between natural pond liquid container 1 and the collection container 3, the input terminus of topping-up pump 6 is connected with natural pond liquid container 1 by pipe connecting 1, and pipe connecting 1 keeps sealing with natural pond liquid container 1, the output terminal of topping-up pump 6 is connected with the following cavity volume 32 of collection container 3 by pipe connecting 28, and pipe connecting 28 keeps sealing with collection container 3, and collection container 3 also links to each other with the storing unit of a biogas.
Liquid container 1 top in natural pond has opening one, is provided with the sealing member 1 that opening one can be closed in the natural pond liquid container 1, and the seal 1 adopts elastomeric material to make.One end of pipe connecting 1 is passed by sealing member 1 and is connected with natural pond liquid container 1, and port is in more than the liquid level of natural pond liquid.Constant temperature blender with magnetic force 2 also is connected with one and is shaft-like temperature sensor 10, and temperature sensor 10 is passed by sealing member 1 and enters in the natural pond liquid container 1, and the induction end of temperature sensor 10 extend into below the liquid level of natural pond liquid.Concrete, offer through hole one and through hole two on the sealing member 1, the external diameter of pipe connecting 1 is a bit larger tham the diameter of through hole one, this just can make pipe connecting 1 pass this through hole for the moment, can keep the wringing fit state with sealing member 1, thereby form sealing, biogas is overflowed from the gap of pipe connecting 1 and sealing member 1; The external diameter of temperature sensor 10 is a bit larger tham the diameter of through hole two, makes sealing member 1 and temperature sensor 10 form sealing equally.
The currently available products of constant temperature blender with magnetic force 2 for having bought on the market.In the present embodiment, specifically can adopt the 03-2 constant temperature blender with magnetic force 2 of being produced by Mei Ying Pu, Shanghai instrument Manufacturing Co., Ltd.
As shown in Figure 2, the top of collection container 3 has opening two, is provided with the sealing member 25 that the cavity volume sealed separation in the collection container 3 can be become go up cavity volume 31 and following cavity volume 32 in the collection container 3, and in the cavity volume 32 water is housed down.Sealing member 25 adopts elastomeric material to make, and sealing member 25 can move up along with increasing of biogas in the following cavity volume 32.Offer on the sealing member 25 and connect the communicating pores of going up cavity volume 31 and following cavity volume 32, be provided with air outlet valve 9 in the communicating pores, the other end of air outlet valve 9 links to each other with storing unit by pipe connecting 3 18.Collection container 3 has the bottom of adopting metallic substance to make, and offer an overfolw hole on the bottom, one end of pipe connecting 28 is to be connected with an end of this overfolw hole, the other end of overfolw hole is communicated with a discharger 11, the other end of discharger 11 is in the following cavity volume 32, and the outlet of discharger 11 is in more than the water surface of following cavity volume 32.Also be carved with scale on the outside surface of collection container 3, to measure the output of biogas.
As shown in figs. 1 and 3, the storing unit of biogas comprises that base 12 and several inside have the gas-storing bag 13 of gas storage cavity 13c, vertical axial fixedly has column 14 on the base 12, gas-storing bag 13 middle parts have open holes, gas storage cavity 13c and open holes keep sealing, sealing and fixing has the tracheae 15 that is connected with gas storage cavity 13c on the gas-storing bag 13, and some gas-storing bags 13 are set on the column 14 successively, be cascaded by the gas storage cavity 13c of a pipeline structure with each gas-storing bag 13 between some tracheaes 15, also being arranged with on the column 14 can be with the pressure holding mechanism of gas-storing bag 13 pressure holdings on base 12.This biogas storage device need be sheathed to the column 14 of base 12 successively with gas-storing bag 13, makes gas-storing bag 13 form the state of stacked on top; Open the air outlet valve 9 in the collection container 3, the biogas that just can be produced by biogas production system by pipeline structure flow into through tracheae 15 that gas-storing bag 13 suffered, and collects and stores, and is easy to operate; Can make gas-storing bag 13 toward base 12 on the column 14 by pressure holding mechanism again, thereby the volume of a plurality of gas-storing bags 13 is minimized, reduce taking up room of gas-storing bag 13.
As shown in Figure 4, gas-storing bag 13 comprises ringwise bag one 13a and bag two 13b, bag one 13a and bag two 13b are close to up and down, and the outer edge of bag one 13a and bag two 13b all seals and is fixed together, the looping pit at bag one 13a and bag two 13b middle part forms above-mentioned open holes, and the cavity between bag one 13a and bag two 13b forms above-mentioned gas storage cavity 13c.Installation cavity is conducive to this gas-storing bag 13 covers are set on the column 14, and gas-storing bag 13 is positioned; Biogas can be stored among the gas storage cavity 13c; Connecting hole is conducive to the biogas in the external world is input among the gas storage cavity 13c.Tracheae 15 1 end sealing and fixing are on bag one 13a or bag two 13b, and tracheae 15 is connected with gas storage cavity 13c, and tracheae 15 the other ends are blind end, offer the connecting hole that is connected with tracheae 15 internal passagess on the body of tracheae 15.One end of tracheae 15 is connected with gas-storing bag 13, and the other end sealing is opened in the sidepiece of tracheae 15 bodys with connecting hole, is conducive to better pile up each gas-storing bag 13.Concrete, in the present embodiment, gas-storing bag 13 adopts plastic material to make, and not only easily manufactured, production cost is low, and good airproof performance, and is easy to carry.
Specifically, pipeline structure comprises that several connect valve 16 and house steward 17, house steward's 17 1 ends have connected entrance, connected entrance is connected with the other end of pipe connecting 3 18, can feed for biogas, house steward's 17 the other ends are blind end, and an end that connects valve 16 is sealedly connected in the connecting hole of tracheae 15, connect the other end sealing and fixing of valve 16 on house steward 17 body, and be connected with house steward 17 internal passagess.After biogas is entered by house steward 17 connected entrance, enter into gas-storing bag 13 through connecting valve 16 and tracheae 15, adopt to connect being communicated with and disconnection of valve 16 control house stewards 17 and gas-storing bag 13, can realize that biogas is carried and the automatic control of collection.Concrete, connect valve 16 and be magnetic valve, PLC programmable logic controller 26 is also fixedly arranged on the base 12, connect valve 16 and all link to each other with PLC programmable logic controller 26 by circuit.Gas-storing bag 13 is being collected in the process of biogas, PLC programmable logic controller 26 is set, PLC programmable logic controller 26 will be opened by one of them magnetic valve of autocommand, and in the gas-storing bag 13 that is communicated with it, import biogas, when these gas-storing bag 13 collections are full, PLC programmable logic controller 26 will be ordered this closed electromagnetic valve, and order next magnetic valve to be opened, so circulation is all collected full biogas with the whole gas-storing bags 13 on the column 14.
More particularly, bearing support 19 is fixedly arranged on the base 12, be provided with bearing in the bearing support 19, column 14 comprises hypomere and the epimere that is fixed on the hypomere, hypomere wears and is fixed on the inner ring of bearing, epimere has outside screw, and design just can make column 14 rotate at base 12 along with bearing inner race like this.Pressure holding mechanism comprises pressing plate 20, spring 21 and nut 22, pressing plate 20 middle parts have hatch, column 14 passes the hatch of pressing plate 20, nut 22 is threaded on the epimere of column 14, and spring 21 is in compressed state, the upper end of spring 21 is fixed on the nut 22 of bolt, and the lower end of spring 21 is fixed on the upper face of pressing plate 20.Gas-storing bag 13 is being collected in the process of biogas, because spring 21 is to be in compressed state always, pressing plate 20 is to be pressed in all the time on the uppermost gas-storing bag 13, along with heaving of gas-storing bag 13, pressing plate 20 will rise, yet rely on the elastic force of spring 21 that the volume of gas-storing bag 13 is in the minimum state always, thereby reduce taking up room of gas-storing bag 13.
The epimere of column 14 also links to each other with a driving mechanism that can drive its rotation, by this driving mechanism just suitably setting nut 22 be in position on the column 14, all be in compressed state under the gaseity thereby make spring 21 gas be arranged or do not have at gas-storing bag 13, thereby gas-storing bag 13 is exerted pressure.Concrete, driving mechanism comprises support 25, shaft coupling 24 and motor 23, motor 23 is fixed on the base 12 by support 25, shaft coupling 24 is arranged between the epimere of the output shaft of motor 23 and column 14, and motor 23 links to each other with PLC programmable logic controller 26 on the base 12 by circuit, thereby can also control the rotating of motor 23 by this PLC programmable logic controller 26.By the rotating of control motor 23, just can make column 14 that rotating take place by shaft coupling 24, thereby adjust the position of nut 22 on column 14.Motor 23 is just changeing, and column 14 and then just changes, and nut 22 rises; Motor 23 counter-rotatings, and then counter-rotating of column 14, nut 22 descends.
The biogas that this laboratory is used produces system, and its principle of work is such, at first, puts into an amount of natural pond liquid in natural pond liquid container 1, puts into an amount of water in collection container 3; Then, start constant temperature blender with magnetic force 2, under the effect of constant temperature blender with magnetic force 2, the natural pond liquid in the natural pond liquid container 1 is stirred, will produce a large amount of biogas in the natural pond liquid container 1; Then, under the effect of topping-up pump 6, topping-up pump 6 can extract biogas in natural pond liquid container 1, and makes formation vacuum in the natural pond liquid container 1, biogas enters into collection container 3 through pipe connecting 1 and pipe connecting 28, utilizes drainage that biogas is stored in the following cavity of collection container 3; At last, open air outlet valve 9, just the biogas in the collection container 3 can be transported in the gas-storing bag 13.
Embodiment two
Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: in embodiment one, pressure holding mechanism comprises pressing plate 20, spring 21 and nut 22; And in present embodiment two, pressure holding mechanism comprises nut 22 and pressing plate in the form of a ring 20, and pressing plate 20 is set on the column 14, and nut 22 is threaded on the epimere of column 14.The lower face of pressing plate 20 in pressure holding all the time under its action of gravity on uppermost gas-storing bag 13, pressing plate 20 can move upward along with heaving of gas-storing bag 13 simultaneously, move downward along with the shrivelled of gas-storing bag 13, the volume of gas-storing bag 13 is in the minimum state always, thereby reduces taking up room of gas-storing bag 13.Nut 22 is screwed on the upper end of column 14 with hand, just can prevents that pressing plate 20 breaks away from column 14.
Embodiment three
Present embodiment is basic identical with structure and the principle of embodiment one, and different place is: in embodiment one, driving mechanism comprises support 25, shaft coupling 24 and motor 23; And in present embodiment three, as shown in Figure 5, driving mechanism comprises driving toothed gear 27, follower gear 28, chain 29 and motor 23, driving toothed gear 27 is fixed on the output shaft of motor 23 by flat key, follower gear 28 is fixed on the epimere of column 14 by flat key, chain 29 is arranged between driving toothed gear 27 and the follower gear 28, and motor 23 is fixed on the base 12 by a fixed link 30, and fixed link 30 is to adopt screw retention on base 12.Rotating by control motor 23 just can drive driving toothed gear 27 rotatings, thereby makes column 14 that rotating take place by chain 29, thereby adjusts the position of nut 22 on column 14.Motor 23 is just changeing, and driving toothed gear 27 is just changeing, and driving column 14 by chain 29 is just changeing, and nut 22 rises; Motor 23 counter-rotatings, driving toothed gear 27 counter-rotatings drive column 14 counter-rotatings by chain 29, and nut 22 descends.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, the natural pond liquid container morely; 2, constant temperature blender with magnetic force; 3, collection container; 31, go up cavity volume; 32, following cavity volume; 4, sealing member one; 5, sealing member two; 6, topping-up pump; 7, pipe connecting one; 8, pipe connecting two; 9, air outlet valve; 10, temperature sensor; 11, discharger; 12, base; 13, gas-storing bag; 13a, bag one; 13b, bag two; 13c, gas storage cavity; 14, column; 15, tracheae; 16, connect valve; 17, house steward; 18, pipe connecting three; 19, bearing support; 20, pressing plate; 21, spring; 22, nut; 23, motor; 24, shaft coupling; 25, support; 26, PLC programmable logic controller; 27, driving toothed gear; 28, follower gear; 29, chain; 30, term such as fixed link, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. the biogas used of a laboratory produces system, comprise the natural pond liquid container (1) for storage natural pond liquid, constant temperature blender with magnetic force (2) and be used for to collect the collection container (3) of biogas, described natural pond liquid container (1) is arranged on the constant temperature blender with magnetic force (2), natural pond liquid container (1) top has opening one, described collection container (3) top has opening two, be provided with the sealing member one (4) that opening one can be closed in the described natural pond liquid container (1), be provided with the sealing member two (5) that the cavity volume sealed separation in the collection container (3) can be become last cavity volume (31) and following cavity volume (32) in the described collection container (3), in the described following cavity volume (32) water be housed; Also be provided with topping-up pump (6) between described natural pond liquid container (1) and the collection container (3), the input terminus of described topping-up pump (6) is connected with described natural pond liquid container (1) by pipe connecting one (7), and pipe connecting one (7) keeps sealing with natural pond liquid container (1), the output terminal of described topping-up pump (6) is connected with the following cavity volume (32) of described collection container (3) by pipe connecting two (8), and pipe connecting two (8) keeps sealing with collection container (3), offer on the described sealing member two (5) and connect the communicating pores of going up cavity volume (31) and following cavity volume (32), be provided with air outlet valve (9) in the described communicating pores, the other end of described air outlet valve (9) links to each other with a storing unit.
2. the biogas used of laboratory according to claim 1 produces system, it is characterized in that, described storing unit comprises that base (12) and several inside have the gas-storing bag (13) of gas storage cavity (13c), described base (12) is gone up vertical axial fixedly column (14), described gas-storing bag (13) middle part has open holes, described gas storage cavity (13c) keeps sealing with described open holes, described gas-storing bag (13) is gone up sealing and fixing the tracheae (15) that is connected with gas storage cavity (13c), described some gas-storing bags (13) are set on the column (14) successively, be cascaded by the gas storage cavity (13c) of a pipeline structure with each gas-storing bag (13) between described some tracheaes (15), also being arranged with on the described column (14) can be with the pressure holding mechanism of gas-storing bag (13) pressure holding on base (12); Described gas-storing bag (13) comprises ringwise bag one (13a) and bag two (13b), described bag one (13a) and bag two (13b) are close to up and down, the outer edge of bag one (13a) and bag two (13b) all seals and is fixed together, the looping pit at bag one (13a) and bag two (13b) middle part forms above-mentioned open holes, and the cavity between bag one (13a) and the bag two (13b) forms above-mentioned gas storage cavity (13c); Above-mentioned tracheae (15) one end sealing and fixing are on described bag one (13a) or bag two (13b), and tracheae (15) is connected with described gas storage cavity (13c), described tracheae (15) the other end is blind end, offers the connecting hole that is connected with tracheae (15) internal passages on the body of described tracheae (15); Described pipeline structure comprises that several connect valve (16) and house steward (17), described house steward's (17) one ends have connected entrance, described connected entrance is connected with above-mentioned air outlet valve (9) by pipe connecting three (18), described house steward (17) the other end is blind end, described connection valve (16) one ends are sealedly connected in the connecting hole of above-mentioned tracheae (15), described connection valve (16) the other end sealing and fixing and is connected with house steward (17) internal passages on the body of described house steward (17).
3. the biogas used of laboratory according to claim 1 and 2 produces system, it is characterized in that, described pipe connecting one (7) is passed with described natural pond liquid container (1) by described sealing member one (4) and is connected, and described sealing member one (4) and sealing member two (5) all adopt elastomeric material to make; Described constant temperature blender with magnetic force (2) also is connected with temperature sensor (10), and described temperature sensor (10) is passed by described sealing member one (4) and enters in the described natural pond liquid container (1).
4. the biogas used of laboratory according to claim 1 and 2 produces system, it is characterized in that, described base (12) is gone up fixedly bearing support (19), described bearing support is provided with bearing in (19), described column (14) comprises hypomere and the epimere that is fixed on the hypomere, described hypomere wears and is fixed on the inner ring of described bearing, and described epimere has outside screw.
5. the biogas used of laboratory according to claim 2 produces system, it is characterized in that, described pressure holding mechanism comprises pressing plate (20), spring (21) and nut (22), described pressing plate (20) middle part has hatch, above-mentioned column (14) passes described hatch, described nut (22) is threaded on the epimere of described column (14), described spring (21) is in compressed state, spring (21) upper end is fixed on the nut (22), and described spring (21) lower end is fixed on the upper face of described pressing plate (20).
6. the biogas used of laboratory according to claim 2 produces system, it is characterized in that, described pressure holding mechanism comprises nut (22) and pressing plate in the form of a ring (20), described pressing plate (20) is set on the described column (14), and described nut (22) is threaded on the epimere of described column (14).
7. the biogas used of laboratory according to claim 4 produces system, it is characterized in that the epimere of described column (14) also links to each other with a driving mechanism that can drive its rotation.
8. the biogas used of laboratory according to claim 7 produces system, it is characterized in that, described driving mechanism comprises support (25), shaft coupling (24) and motor (23), described motor (23) is fixed on the base (12) by support (25), and described shaft coupling (24) is arranged between the epimere of the output shaft of motor (23) and column (14).
9. the biogas used of laboratory according to claim 7 produces system, it is characterized in that, described driving mechanism comprises driving toothed gear (27), follower gear (28), chain (29) and motor (23), described driving toothed gear (27) is fixed on the output shaft of motor (23), described follower gear (28) is fixed on the epimere of column (14), described chain (29) is arranged between driving toothed gear (27) and the follower gear (28), and described motor (23) is fixed on the base (12) by a fixed link (30).
10. the biogas used of laboratory according to claim 8 produces system, it is characterized in that, described connection valve (16) is magnetic valve, PLC programmable logic controller (26) is also fixedly arranged on the described base (12), and described connection valve (16) all links to each other with described PLC programmable logic controller (26) by circuit with above-mentioned motor (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310230635.6A CN103333791B (en) | 2013-06-09 | 2013-06-09 | Methane generating system for laboratory |
| CN201410152500.7A CN103966085B (en) | 2013-06-09 | 2013-06-09 | A kind of biogas of the use for laboratory with pressure holding mechanism produces system |
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| CN201310230635.6A CN103333791B (en) | 2013-06-09 | 2013-06-09 | Methane generating system for laboratory |
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Cited By (1)
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|---|---|---|---|---|
| CN104928168A (en) * | 2015-06-24 | 2015-09-23 | 南安市绿野沼气技术开发研究所 | Constant-pressure methane tank |
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| CN103966085A (en) | 2014-08-06 |
| CN103966085B (en) | 2016-03-02 |
| CN103333791B (en) | 2014-07-09 |
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