CN211814476U - Horizontal anaerobic gas production device based on laboratory conditions - Google Patents
Horizontal anaerobic gas production device based on laboratory conditions Download PDFInfo
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- CN211814476U CN211814476U CN202020060988.1U CN202020060988U CN211814476U CN 211814476 U CN211814476 U CN 211814476U CN 202020060988 U CN202020060988 U CN 202020060988U CN 211814476 U CN211814476 U CN 211814476U
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- 239000003245 coal Substances 0.000 abstract description 18
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
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Abstract
A horizontal anaerobic gas production device based on laboratory conditions comprises a temperature control box, wherein a fermentation device and a gas collection device which are arranged side by side from left to right are arranged in the temperature control box; the fermentation device comprises a fermentation bottle, a liquid taking pipe, an air taking pipe and a first air duct; the gas collecting device comprises a U-shaped collecting bottle, a second air guide tube is connected to the upper end of one side of the collecting bottle, the upper end of the other side of the collecting bottle is open, and the outer ring of the air outlet end of the first air guide tube extends into the inner wall of the air inlet end of the second air guide tube and is connected with the inner thread sleeve. The utility model discloses preparation simple process, with reasonable costs, maneuverability are strong, can ensure on the basis of the most suitable temperature of coal anaerobic fermentation, effectively avoid leaking, gas leakage phenomenon, realize that the extraction of fungus liquid, produce gas concentration and volumetric measurement operation as an organic whole.
Description
Technical Field
The utility model belongs to the technical field of coal seam biogas development, concretely relates to gas device is produced to horizontal anaerobism based on under the laboratory condition.
Background
In 2016, 11 months, the Paris agreement takes effect formally, and the government of China also promises corresponding emission reduction responsibility. In China, coal energy is the main country, and serious environmental pollution and climate change are caused by unreasonable development of coal resources and emission of combustion products. The coal bed gas is used as a clean and environment-friendly energy source, is an important supplement to conventional natural gas resources, and brings a new transfer machine for energy conservation, emission reduction and environmental protection. The biological cause coal bed gas with shallow burial and low development cost is an important way for realizing the utilization of the coal bed gas in the future. Research and development of coal bed gas bioengineering have considerable significance for realizing energy conservation and emission reduction, increasing resource quantity and improving coal reservoir permeability. At present, a gas production simulation device under laboratory conditions is still mainly a suspension type gas production device, uncontrollable phenomena such as water leakage (water leakage caused by the action of gravity), gas leakage and the like can occur in the gas production process, and the gas production simulation device is inconvenient to replace and clean. In view of this, it is essential to design a new experimental simulation device to effectively avoid the above phenomena, and it is also convenient to research related contents in the gas production process of coal fermentation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a simple structure, maneuverability is strong, can ensure on the basis of the most suitable temperature of coal anaerobic fermentation, effectively avoid leaking, gas leakage phenomenon, realize that the horizontal anaerobism gas production device based on under the laboratory condition of extraction, gas concentration and the volume measurement of fungus liquid.
In order to solve the technical problem, the utility model adopts the following technical scheme: a horizontal anaerobic gas production device based on laboratory conditions comprises a temperature control box, wherein a fermentation device and a gas collection device which are arranged side by side from left to right are arranged in the temperature control box;
the fermentation device comprises a fermentation bottle, a liquid taking pipe, an air taking pipe and a first air duct, wherein a bottle plug is arranged at the upper end opening of the fermentation bottle, fermentation liquor is contained in the fermentation bottle, the lower ends of the liquid taking pipe, the air taking pipe and the first air duct penetrate through the bottle plug and extend into the fermentation bottle, the lower end opening of the liquid taking pipe is positioned below the liquid level of the fermentation liquor, and the lower end opening of the air taking pipe and the first air duct is positioned above the liquid level of the fermentation liquor;
the gas collecting device is including the collecting flask that is the U type, one side upper end of collecting flask is connected with the second air duct, the opposite side upper end of collecting flask is uncovered, be equipped with a lesson first external screw thread in the outside that closes on the gas outlet on the first air duct, be equipped with a lesson second external screw thread in the outside that closes on the air inlet on the second air duct, the inner wall of the outer lane of the air outlet end of first air duct and the air inlet end of second air duct is conical structure, the inner wall of assembly at the air inlet end of second air duct is stretched into to the outer lane of the air outlet end of first air duct and through having female thread bushing, first external screw thread and the inside left side threaded connection of female thread bushing, second external screw thread and the inside right side threaded connection of female thread bushing, the screw direction of first external screw.
The liquid taking pipe, the air taking pipe and the first air duct are respectively provided with a first valve, a second valve and a third valve which are positioned above the bottle stopper.
The lower side portion of the liquid taking pipe is provided with a first liquid discharging pipe, the first liquid discharging pipe is provided with a first liquid discharging valve, the lower side portion of the collecting bottle is provided with a second liquid discharging pipe, and the second liquid discharging pipe is provided with a second liquid discharging valve.
The lateral part of the open side of upper end of the collecting bottle is provided with a graduated scale along the height direction.
A temperature sensor close to the fermentation device is arranged in the temperature control box, a heat exhaust fan is arranged on the temperature control box, and an alarm indicator lamp and a temperature control button switch are arranged at the upper part of the outer side of the temperature control box.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has: when the temperature in the temperature control box is higher or lower than the original set temperature value, the temperature can be automatically reduced or increased to achieve the purpose of constant temperature, so that the temperature required by the fermentation of the microorganisms in the fermentation bottle can be kept optimal. The heat exhaust fan starts to work when the temperature is higher than a preset temperature value, so that the temperature is reduced to the preset value in a short time. The alarm indicator light is used for displaying whether the temperature is abnormal or not, and can give out an alarm sound and flicker in red when the temperature is abnormal. Can fill into inert gas through getting the trachea to the fermentation bottle, drive the interior residual air of device, guarantee as far as possible that the fermentation process is in anaerobic environment, also can regard as the gas taking mouth in the fermentation process simultaneously.
The first air duct and the second air duct are connected through the internal thread sleeve, and the air outlet end of the first air duct and the air inlet end of the second air duct are assembled in an inserting mode through the conical structure, so that the sealing performance is good. The first external threads on the first air duct and the second external threads on the second air duct are opposite in thread turning direction, so that the air outlet end of the first air duct and the air inlet of the second air duct can be connected or separated by rotating the internal thread sleeve.
The outside of the collecting bottle is provided with a scale value, so that the gas collecting amount in the collecting bottle can be observed. After the fermentation operation is completed, the first liquid discharge pipe is used for discharging fermentation liquid and washing water in the fermentation bottle, and the second liquid discharge pipe is used for discharging water and washing water in the collection bottle.
The liquid taking pipe, the gas taking pipe, the first gas guide pipe, the second gas guide pipe, the internal thread sleeve, the first valve, the second valve, the third valve, the first liquid discharge valve and the second liquid discharge pipe are all made of acid-resistant, alkali-resistant and corrosion-resistant rigid plastics.
The box body, the fermentation bottle and the collecting bottle of the temperature control box are all made of transparent plastics or glass.
The utility model discloses a theory of operation does: the temperature control box comprises a temperature button switch, a first valve, a second valve, a third valve, a first liquid discharge valve and a second liquid discharge pipe, wherein the temperature button switch, the first valve, the second valve, the third valve, the first liquid discharge valve and the second liquid discharge pipe are closed before an experiment is started, a bottle plug is opened, a coal sample and a bacterial liquid are mixed and placed into a fermentation bottle, the bottle plug is closed again, the fermentation bottle and a collection bottle are placed into the temperature control box, an internal thread sleeve is used for connecting a first air guide pipe and a second air guide pipe, a box door of the temperature control. And after the coal sample and the bacterial liquid are uniformly mixed, opening the first valve, and introducing helium gas into the fermentation bottle for 30 seconds to displace residual air in the device. And after the ventilation is finished, closing the first valve. The utility model discloses ingenious utilization atmospheric pressure principle, the atmospheric pressure that produces after the product is produced to zymotic fluid through fermentation bottle makes the liquid level of collecting bottle one side of U type reduce, and the liquid level of opposite side rises, realizes the measurement to gas volume through both sides liquid volume difference value, and it is too big to have avoided rectilinear gas production collection device to produce the gas volume because of leaking (the action of gravity leads to). Meanwhile, the internal thread sleeve is rotated, so that the fermentation bottle and the collecting bottle can be effectively connected, the air tightness can be guaranteed, and secondary replacement is facilitated. Furthermore, the utility model discloses the zymotic fluid of different stages is extracted manually to the accessible liquid taking pipe, tests the analysis to explore the conversion mechanism of the intermediate product of gas production in-process of coal fermentation. The utility model discloses be hard plastic material mostly, reduced the experiment cost.
To sum up, the utility model discloses preparation simple process, with reasonable costs, maneuverability are strong, can ensure on the basis of the most suitable temperature of coal anaerobic fermentation, effectively avoid leaking, gas leakage phenomenon, realize that the extraction of fungus liquid, produce gas concentration and volume measurement are as an organic whole operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged schematic view of the connection between the first and second airway tubes of FIG. 1.
Detailed Description
As shown in fig. 1 and 2, the horizontal anaerobic gas production device based on laboratory conditions of the present invention comprises a temperature control box 1, wherein a fermentation device and a gas collection device are arranged side by side from left to right in the temperature control box 1; the temperature control box 1 is a conventional device and is commercially available.
The fermentation device comprises a fermentation bottle 2, a liquid taking pipe 3, an air taking pipe 4 and a first air duct 5, wherein the upper port of the fermentation bottle 2 is provided with a bottle plug 6, the fermentation bottle 2 is filled with fermentation liquid, the lower ends of the liquid taking pipe 3, the air taking pipe 4 and the first air duct 5 penetrate through the bottle plug 6 and extend into the fermentation bottle 2, the lower port of the liquid taking pipe 3 is positioned below the liquid level of the fermentation liquid, and the lower ports of the air taking pipe 4 and the first air duct 5 are positioned above the liquid level of the fermentation liquid;
gaseous collection device is including the receiving flask 7 that is the U type, one side upper end of receiving flask 7 is connected with second air duct 8, the opposite side upper end of receiving flask 7 is uncovered, be equipped with a lesson first external screw thread in the outside that closes on the gas outlet on first air duct 5, be equipped with a lesson second external screw thread in the outside that closes on the air inlet on the second air duct 8, the outer lane of the gas outlet end of first air duct 5 and the inner wall of the air inlet end of second air duct 8 are conical structure 9, the outer lane of the gas outlet end of first air duct 5 stretches into the inner wall of assembly at the air inlet end of second air duct 8 and is connected through having female sleeve 10, first external screw thread and the inside left side threaded connection of female sleeve 10, the second external screw thread and the inside right side threaded connection of female sleeve 10, the screw thread turning of first external screw thread and second.
The liquid taking pipe 3, the gas taking pipe 4 and the first gas guide pipe 5 are respectively provided with a first valve 11, a second valve 12 and a third valve 13 which are positioned above the bottle stopper 6.
A first liquid discharge pipe 14 is arranged at the lower side part of the liquid taking pipe 3, a first liquid discharge valve 15 is arranged on the first liquid discharge pipe 14, a second liquid discharge pipe 16 is arranged at the lower side part of the collecting bottle 7, and a second liquid discharge valve 17 is arranged on the second liquid discharge pipe 16.
The collecting bottle 7 is provided with a graduated scale 18 along the height direction at the side part of the upper end opening side.
A temperature sensor 19 close to the fermentation device is arranged in the temperature control box 1, a heat exhausting fan 20 is arranged on the temperature control box 1, and an alarm indicator lamp 21 and a temperature control button switch 22 are arranged on the upper part of the outer side of the temperature control box 1.
The utility model discloses following beneficial effect has: when the temperature in the temperature control box 1 is higher or lower than the original set temperature value, the temperature can be automatically reduced or increased to achieve the purpose of keeping the temperature constant, so that the temperature required by the microbial fermentation in the fermentation bottle 2 is kept to be optimal. The heat exhaust fan starts to work when the temperature is higher than a preset temperature value, so that the temperature is reduced to the preset value in a short time. The alarm indicator lamp 21 is used for displaying whether the temperature is abnormal or not, and can give out an alarm sound and flicker in red when the temperature is abnormal. Can fill into inert gas through getting trachea 4 in to fermentation bottle 2, displace residual air in the device, guarantee as far as possible that the fermentation process is in anaerobic environment, also can regard as the gas taking mouth in the fermentation process simultaneously.
The outside of the collecting bottle 7 has a scale value, so that the gas collecting amount in the collecting bottle 7 can be observed. After the fermentation operation is completed, the first drain pipe 14 is used for draining the fermentation liquid and the washing water in the fermentation bottle 2, and the second drain pipe 16 is used for draining the water and the washing water in the collection bottle 7.
The liquid taking pipe 3, the gas taking pipe 4, the first air duct 5, the second air duct 8, the internal thread sleeve 10, the first valve 11, the second valve 12, the third valve 13, the first liquid discharge valve 15 and the second liquid discharge pipe 16 are all made of acid-resistant, alkali-resistant and corrosion-resistant rigid plastics.
The box body of the temperature control box 1, the fermentation bottle 2 and the collecting bottle 7 are all made of transparent plastics or glass.
The utility model discloses a theory of operation does: before the experiment begins, a temperature button switch of the temperature control box 1, a first valve 11, a second valve 12, a third valve 13, a first liquid discharge valve 15 and a second liquid discharge pipe 16 are closed, a bottle stopper 6 is opened, a coal sample and bacteria liquid are mixed and placed into a fermentation bottle 2, the bottle stopper 6 is closed again, the fermentation bottle 2 and a collection bottle 7 are placed into the temperature control box 1, an internal thread sleeve 10 is used for connecting a first air duct 5 and a second air duct 8, a box door of the temperature control box 1 is closed, and the temperature button switch is opened. After the coal sample and the bacterial liquid are uniformly mixed, the first valve 11 is opened, and helium is introduced into the fermentation bottle 2 for 30 seconds to displace residual air in the device. After the ventilation is finished, the first valve 11 is closed. The utility model discloses ingenious atmospheric pressure principle that utilizes, the atmospheric pressure that produces after the product is produced to zymotic fluid through fermentation bottle 2, makes the liquid level of 7 one sides of collection bottle of U type reduce, and the liquid level of opposite side rises, realizes the measurement to gas volume through both sides liquid volume difference value, and it is too big to have avoided the product gas volume that rectilinear gas production collection device leads to because of leaking (the action of gravity). Meanwhile, the internal thread sleeve 10 is rotated, so that the fermentation bottle 2 and the collecting bottle 7 can be effectively connected, the air tightness can be guaranteed, and secondary replacement is facilitated. Furthermore, the utility model discloses the zymotic fluid of different stages is extracted manually to accessible liquid taking pipe 3, tests the analysis to explore the conversion mechanism of the intermediate product of gas production in-process of coal fermentation. The utility model discloses be hard plastic material mostly, reduced the experiment cost.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (5)
1. The utility model provides a gas device is produced to horizontal anaerobism based on laboratory condition which characterized in that: comprises a temperature control box, wherein a fermentation device and a gas collection device which are arranged side by side from left to right are arranged in the temperature control box;
the fermentation device comprises a fermentation bottle, a liquid taking pipe, an air taking pipe and a first air duct, wherein a bottle plug is arranged at the upper end opening of the fermentation bottle, fermentation liquor is contained in the fermentation bottle, the lower ends of the liquid taking pipe, the air taking pipe and the first air duct penetrate through the bottle plug and extend into the fermentation bottle, the lower end opening of the liquid taking pipe is positioned below the liquid level of the fermentation liquor, and the lower end opening of the air taking pipe and the first air duct is positioned above the liquid level of the fermentation liquor;
the gas collecting device is including the collecting flask that is the U type, one side upper end of collecting flask is connected with the second air duct, the opposite side upper end of collecting flask is uncovered, be equipped with a lesson first external screw thread in the outside that closes on the gas outlet on the first air duct, be equipped with a lesson second external screw thread in the outside that closes on the air inlet on the second air duct, the inner wall of the outer lane of the air outlet end of first air duct and the air inlet end of second air duct is conical structure, the inner wall of assembly at the air inlet end of second air duct is stretched into to the outer lane of the air outlet end of first air duct and through having female thread bushing, first external screw thread and the inside left side threaded connection of female thread bushing, second external screw thread and the inside right side threaded connection of female thread bushing, the screw direction of first external screw.
2. The horizontal anaerobic gas production device based on laboratory conditions, according to claim 1, is characterized in that: the liquid taking pipe, the air taking pipe and the first air duct are respectively provided with a first valve, a second valve and a third valve which are positioned above the bottle stopper.
3. The horizontal anaerobic gas production device based on laboratory conditions, according to claim 1, is characterized in that: the lower side portion of the liquid taking pipe is provided with a first liquid discharging pipe, the first liquid discharging pipe is provided with a first liquid discharging valve, the lower side portion of the collecting bottle is provided with a second liquid discharging pipe, and the second liquid discharging pipe is provided with a second liquid discharging valve.
4. The horizontal anaerobic gas production device based on laboratory conditions, according to claim 1, is characterized in that: the lateral part of the open side of upper end of the collecting bottle is provided with a graduated scale along the height direction.
5. A horizontal anaerobic gas production device based on laboratory conditions according to any of claims 1 to 4, characterized in that: a temperature sensor close to the fermentation device is arranged in the temperature control box, a heat exhaust fan is arranged on the temperature control box, and an alarm indicator lamp and a temperature control button switch are arranged at the upper part of the outer side of the temperature control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020060988.1U CN211814476U (en) | 2020-01-13 | 2020-01-13 | Horizontal anaerobic gas production device based on laboratory conditions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020060988.1U CN211814476U (en) | 2020-01-13 | 2020-01-13 | Horizontal anaerobic gas production device based on laboratory conditions |
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| Publication Number | Publication Date |
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| CN211814476U true CN211814476U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020060988.1U Expired - Fee Related CN211814476U (en) | 2020-01-13 | 2020-01-13 | Horizontal anaerobic gas production device based on laboratory conditions |
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| Country | Link |
|---|---|
| CN (1) | CN211814476U (en) |
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2020
- 2020-01-13 CN CN202020060988.1U patent/CN211814476U/en not_active Expired - Fee Related
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Granted publication date: 20201030 |