CN205774556U - The biomethanation analogue experiment installation of coal seam sequestration of carbon dioxide - Google Patents
The biomethanation analogue experiment installation of coal seam sequestration of carbon dioxide Download PDFInfo
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- CN205774556U CN205774556U CN201620510622.3U CN201620510622U CN205774556U CN 205774556 U CN205774556 U CN 205774556U CN 201620510622 U CN201620510622 U CN 201620510622U CN 205774556 U CN205774556 U CN 205774556U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The biomethanation analogue experiment installation of coal seam sequestration of carbon dioxide, including bioconversion and blood circulation, bacterial activity and metabolism environmental monitoring system, temperature regulation system, aerogenesis effect assessment and Analysis on Mechanism system.This utility model utilizes coal for substrate, carbon dioxide is medium, cultivation and preferred bacterium solution to methanogen floras under optimum conditions, in the effect of the carbon dioxide biomethanation of lab simulation different temperatures, different rank, granularity, pressure carbon dioxide, flora kind and metabolism environment, and then realize carbon dioxide bioconversion methane technology.Easy control of reaction conditions of the present utility model, apparatus structure is compact, with low cost, easy to operate, has important scientific meaning and practical value.
Description
Technical field
This utility model relates to the biomethanation analogue experiment installation of a kind of coal seam sequestration of carbon dioxide.
Background technology
Carbon dioxide, as main greenhouse gases, derives from the utilization of the Fossil fuel such as coal, oil and natural gas, and it has close relationship with energy resource consumption.Along with the fast development of China's economy, energy resource consumption continues to increase, and CO2 emission causes series of environmental problems, and how realizing energy-saving and emission-reduction becomes the focus of world attention, wherein the trapping of carbon dioxide and seal up for safekeeping checking greenhouse effect significant.In recent years, along with the further investigation of biogenesis coal bed gas, biogenesis coal bed gas is mainly based on carbon dioxide reduction.Coal seam origin flora is activated so that it is with coal as substrate, be biological methane the carbon dioxide conversion sealed up for safekeeping wherein, not only can reduce greenhouse gas emission, it is also possible to improve Coal bed gas project and obtain clear energy sources by microbial technique.Research coal seam sequestration of carbon dioxide bioconversion methane technology, also will enrich the bionic Research connotation of coal bed gas, contribute to reducing and external coal bed gas bio-engineering research gap.
Utility model content
In place of this utility model is in order to solve the deficiencies in the prior art, it is provided that the biomethanation analogue experiment installation of a kind of coal seam sequestration of carbon dioxide.This device and experimental technique are explored carbon dioxide and are converted into condition and the transformation efficiency of methane under the origin bacterium effect of coal seam, utilize the carbon dioxide containing carbon tracer isotope to be analyzed the biogenesis mechanism of coal bed gas with the nutritional solution containing hydrogen tracer isotope simultaneously.
For solving above-mentioned technical problem, this utility model is by the following technical solutions: the biomethanation analogue experiment installation of coal seam sequestration of carbon dioxide, including bioconversion and blood circulation, bacterial activity and metabolism environmental monitoring system, temperature regulation system, aerogenesis effect assessment and Analysis on Mechanism system；
Bioconversion and blood circulation include the upper spiral glass tube being sequentially connected in series from top to bottom, middle spiral glass tube and lower spiral glass tube, upper spiral glass tube top is provided with methanogen floras and nutritional solution loading port and upper cycling mouth, methanogen floras and nutritional solution loading port go out to be provided with sealing lid, upper spiral glass tube top is provided with tee T at upper cycling mouth, it is provided with liquid taking port bottom lower spiral glass tube, carbon dioxide injection mouth and lower circulation port, upper spiral glass tube, different rank and the coal sample of granularity is loaded in middle spiral glass tube and lower spiral glass tube, carbon dioxide injection mouth connects carbon dioxide injection device, connected by grass tube between tee T and lower circulation port, grass tube bottom is provided with circulating pump, grass tube top is provided with methane concentration detector；
Liquid taking port is connected with metabolism environmental monitoring system with bacterial activity, and temperature regulation system is located at spiral glass tube, middle spiral glass tube and the outside of lower spiral glass tube, and aerogenesis effect assessment is connected with tee T with the air inlet of Analysis on Mechanism system.
Carbon dioxide injection device includes CO 2 high pressure steel cylinder, is connected by ascending pipe between the gas outlet of CO 2 high pressure steel cylinder with carbon dioxide injection mouth, and ascending pipe is sequentially provided with air relief valve, Pressure gauge and effusion meter along airflow direction.
Temperature regulation system includes calorstat and for regulating and controlling the intelligent thermostatic control device of calorstat temperature, and calorstat inwall is provided with thermal insulation layer, and upper spiral glass tube, middle spiral glass tube and lower spiral glass tube are respectively positioned in calorstat.
Aerogenesis effect assessment and Analysis on Mechanism system include bleed kinetic pump, drying device, gas concentration and flow monitoring instrument and equipment for separation of gases, bleed and be connected by the first trachea between air inlet and the tee T of kinetic pump, the gas outlet of kinetic pump of bleeding is connected by the second trachea with the air inlet of drying device, gas concentration and flow monitoring instrument are located on the second trachea, the gas outlet of drying device is connected by the 3rd trachea with the air inlet of equipment for separation of gases, and equipment for separation of gases is connected by the 4th trachea vacuum pump.
Equipment for separation of gases includes separating closed box and the electrical heating groove of open top, separate closed box to be placed in electrical heating groove, the middle and lower part separated in closed box is filled with absorbent, absorbent is ethanolamine or polyamide, separation closed box is provided with and is positioned at the gas concentration lwevel monitor controller above absorbent and gas sample tap, and the 4th trachea is connected to separate closed box top.
Use technique scheme, use experimental technique of the present utility model, comprise the following steps,
(1) open and first will load coal sample in upper spiral glass tube, middle spiral glass tube and lower spiral glass tube, then it is sequentially connected with having been charged into the upper spiral glass tube of coal sample, middle spiral glass tube and lower spiral glass tube, connect and each parts of analogue experiment installation are installed, use epoxide-resin glue to seal at total interface, and seal pressure is greater than carbon dioxide injection pressure and the pressure of circulating pump offer；
Open CO 2 high pressure steel cylinder, carbon dioxide is passed through carbon dioxide by the downward spiral glass tube of ascending pipe, check the air-tightness of all connection pipelines simultaneously, then the methanogen culture fluid that pH is 7 is joined in coal sample quickly through methanogen floras and nutritional solution loading port, finally by seal cap sealing methanogen floras and nutritional solution loading port, containing hydrogen tracer isotope during wherein carbon dioxide is contained within carbon tracer isotope, nutritional solution；
(2) switch of circulating pump is opened；Power drive carbon dioxide is provided to be full of in coal sample at circulating pump, and drive carbon dioxide and methanogen culture fluid to circulate along grass tube, lower spiral glass tube, middle spiral glass tube and upper spiral glass tube, make carbon dioxide, coal sample and methanogen culture fluid be fully contacted reaction；
(3) controlling at 35 DEG C by manipulation intelligent thermostatic control device by the temperature intelligent in calorstat, i.e. the temperature of carbon dioxide, coal sample and bacterium solution reaction is 35 DEG C；
(4) after reaction a period of time, when the numerical value that observation methane concentration detector shows reaches preset requirement；Opening liquid taking port, manipulation bacterial activity and metabolism environmental monitoring system measure the bacterial activity of reaction system and the bacterium solution change of metabolism environment；
(5) closing liquid taking port, open kinetic pump of bleeding, utilize the power of kinetic pump of bleeding, mixed gas first passes through drying device and is dried；
(6) dried gas passes through the second trachea, by the gas concentration on the second trachea and flow monitoring instrument record mixed gas concentration, moment tolerance and accumulative gas flow；
(7) mixed gas being dried enters equipment for separation of gases, carbon dioxide in mixed gas is absorbed by absorbent, now the reading of gas concentration lwevel monitor controller is 0, uses pump bowl to connect gas sample mouth and extracts a certain amount of gas, and the isotope for gas componant is tested；
(8) test is absorbed the isotope of gas, open vacuum pumping pump the gas in separator box is quickly drawn out, then the carbon dioxide desorbing that manipulation electrical heating groove intensification makes the absorbent in separator box absorb is opened, open gas sample mouth again, use pump bowl that the carbon dioxide after desorbing is bled, measure the isotope in carbon dioxide.
Air relief valve, Pressure gauge and effusion meter composition in carbon dioxide injection device, it is possible to achieve carbon dioxide injection pressure and the control of injection rate and record；Kinetic pump pumps into the gas-liquid mixture of carbon dioxide and methanogen culture fluid from lower spiral glass tube, flow through the middle spiral glass tube of three sections of samples of coalingging and upper spiral glass tube the most successively, circulation is completed again by grass tube to kinetic pump, at grass tube, one methane concentration detector is installed simultaneously, records the methane concentration of blood circulation at any time.
Bacterial activity is carried out mainly by the liquid taking port of hypomere spiral glass with metabolism environmental monitoring system, any stage of bioconversion all can obtain reaction system containing bacteria liquid, by the test indexs such as microorganism isolation and identification, counting and bacterial activity, the bacterial activity variation characteristic of analytical reactions system；By analyzing the metabolism environmental change of the Monitoring Indexes microorganisms such as the carbon source of liquid, nitrogen source, inorganic salt, pH, Eh and trace element.Described temperature regulation system is made up of calorstat and intelligent thermostatic control device, and major function is to ensure that reaction system is carried out under preset temperature.
Aerogenesis effect assessment and the equipment for separation of gases in Analysis on Mechanism system include gas concentration lwevel monitoring and absorption function, absorbed carbon dioxide can also be made to discharge by heating tank, it is achieved mixed gas separates to carry out the isotope test of gas with various composition.
Methanogen culture fluid to load from epimere spiral glass tube, and circulating pump to pump into gas-liquid mixture from lower spiral glass tube.
This utility model can be in the process of experiment lab simulation carbon dioxide biomethanation, by the mensuration to different temperatures aerogenesis, gas production and gas component, evaluate carbon dioxide conversion condition and efficiency, utilize the carbon dioxide containing carbon tracer isotope and the nutritional solution containing hydrogen tracer isotope simultaneously, by testing the isotopics of different component, analyze the biogenesis mechanism of coal bed gas.Thus find out the formation mechanism of the biological methane of coal seam sequestration of carbon dioxide.
This utility model experiment initial condition: the temperature of calorstat is set to 35 DEG C, load in upper spiral glass tube, middle spiral glass tube and lower spiral glass tube and at the coal sample of certain particle size, CO 2 high pressure steel cylinder, total interface, use high-performance sealed material (such as epoxide-resin glue), and seal pressure is greater than carbon dioxide injection pressure and the pressure of blood circulation kinetic pump offer.
From the above mentioned, this utility model utilizes coal for substrate, carbon dioxide is medium, cultivation and preferred bacterium solution to methanogen floras under optimum conditions, in the effect of the carbon dioxide biomethanation of lab simulation different temperatures, different rank, granularity, pressure carbon dioxide, flora kind and metabolism environment (trace element, pH, Eh, carbon nitrogen source and strain concentration etc.), and then realize carbon dioxide bioconversion methane technology.Easy control of reaction conditions of the present utility model, apparatus structure is compact, with low cost, easy to operate, has important scientific meaning and practical value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As it is shown in figure 1, the biomethanation analogue experiment installation of coal seam of the present utility model sequestration of carbon dioxide, including bioconversion and blood circulation, bacterial activity and metabolism environmental monitoring system, temperature regulation system, aerogenesis effect assessment and Analysis on Mechanism system.
nullBioconversion and blood circulation include the upper spiral glass tube 1 being sequentially connected in series from top to bottom、Middle spiral glass tube 2 and lower spiral glass tube 3，Upper spiral glass tube 1 top is provided with methanogen floras and nutritional solution loading port 4 and upper cycling mouth 5，Methanogen floras and nutritional solution loading port 4 go out to be provided with sealing lid 6，Upper spiral glass tube 1 top is provided with tee T 7 at upper cycling mouth 5，It is provided with liquid taking port 8 bottom lower spiral glass tube 3、Carbon dioxide injection mouth 9 and lower circulation port 10，Upper spiral glass tube 1、Different rank and the coal sample of granularity is loaded in middle spiral glass tube 2 and lower spiral glass tube 3，Carbon dioxide injection mouth 9 connects carbon dioxide injection device，Connected by grass tube 11 between tee T 7 and lower circulation port 10，Grass tube 11 bottom is provided with circulating pump 12，Grass tube 11 top is provided with methane concentration detector 13.
Liquid taking port 8 is connected with metabolism environmental monitoring system (not illustrating out in figure) with bacterial activity, temperature regulation system is located at spiral glass tube 1, middle spiral glass tube 2 and the outside of lower spiral glass tube 3, and aerogenesis effect assessment is connected with tee T 7 with the air inlet of Analysis on Mechanism system.
Carbon dioxide injection device includes CO 2 high pressure steel cylinder 14, is connected by ascending pipe 15, ascending pipe 15 is sequentially provided with air relief valve 16, Pressure gauge 17 and effusion meter 18 along airflow direction between the gas outlet of CO 2 high pressure steel cylinder 14 with carbon dioxide injection mouth 9.
Temperature regulation system includes calorstat 19 and for regulating and controlling the intelligent thermostatic control device 20 of calorstat 19 temperature, and calorstat 19 inwall is provided with thermal insulation layer, and upper spiral glass tube 1, middle spiral glass tube 2 and lower spiral glass tube 3 are respectively positioned in calorstat 19.
Aerogenesis effect assessment and Analysis on Mechanism system include kinetic pump 21 of bleeding, drying device 22, gas concentration and flow monitoring instrument 23 and equipment for separation of gases, bleed and be connected by the first trachea 24 between air inlet and the tee T 7 of kinetic pump 21, the air inlet of gas outlet and drying device 22 of kinetic pump 21 of bleeding is connected by the second trachea 25, gas concentration and flow monitoring instrument 23 are located on the second trachea 25, the gas outlet of drying device 22 is connected by the 3rd trachea 26 with the air inlet of equipment for separation of gases, equipment for separation of gases is connected by the 4th trachea 27 vacuum pump 28.
Equipment for separation of gases includes separating closed box 29 and the electrical heating groove 30 of open top, separate closed box 29 to be placed in electrical heating groove 30, the middle and lower part separated in closed box 29 is filled with absorbent 31, absorbent 31 is ethanolamine or polyamide, separation closed box 29 is provided with and is positioned at the gas concentration lwevel monitor controller 32 above absorbent 31 and gas sample tap 33, and the 4th trachea 27 is connected to separate closed box 29 top.
The experimental technique of the biomethanation analogue experiment installation of coal seam sequestration of carbon dioxide, comprises the following steps,
(1) open and first in upper spiral glass tube 1, middle spiral glass tube 2 and lower spiral glass tube 3, load coal sample, then it is sequentially connected with having been charged into the upper spiral glass tube 1 of coal sample, middle spiral glass tube 2 and lower spiral glass tube 3, connect and each parts of analogue experiment installation are installed, use epoxide-resin glue to seal at total interface, and seal pressure is greater than carbon dioxide injection pressure and the pressure of circulating pump 12 offer；
Open CO 2 high pressure steel cylinder 14, carbon dioxide is passed through carbon dioxide by the downward spiral glass tube 3 of ascending pipe 15, check the air-tightness of all connection pipelines simultaneously, then the methanogen culture fluid that pH is 7 is joined in coal sample quickly through methanogen floras and nutritional solution loading port 4, finally by sealing lid 6 sealing methanogen floras and nutritional solution loading port 4, containing hydrogen tracer isotope during wherein carbon dioxide is contained within carbon tracer isotope, nutritional solution；
(2) switch of circulating pump 12 is opened；Power drive carbon dioxide is provided to be full of in coal sample at circulating pump 12, and drive carbon dioxide and methanogen culture fluid to circulate along grass tube 11, lower spiral glass tube 3, middle spiral glass tube 2 and upper spiral glass tube 1, make carbon dioxide, coal sample and methanogen culture fluid be fully contacted reaction；
(3) controlling at 35 DEG C by manipulation intelligent thermostatic control device 20 by the temperature intelligent in calorstat 19, i.e. the temperature of carbon dioxide, coal sample and bacterium solution reaction is 35 DEG C；
(4) after reaction a period of time, when the numerical value of observation methane concentration detector 13 display reaches preset requirement；Opening liquid taking port 8, manipulation bacterial activity and metabolism environmental monitoring system measure the bacterial activity of reaction system and the bacterium solution change of metabolism environment；
(5) closing liquid taking port 8, open kinetic pump 21 of bleeding, utilize the power of kinetic pump 21 of bleeding, mixed gas first passes through drying device 22 and is dried；
(6) dried gas passes through the second trachea 25, records mixed gas concentration, moment tolerance and accumulative gas flow by the gas concentration on the second trachea 25 and flow monitoring instrument 23；
(7) mixed gas being dried enters equipment for separation of gases, carbon dioxide in mixed gas is absorbed by absorbent 31, now the reading of gas concentration lwevel monitor controller 32 is 0, uses pump bowl to connect gas sample mouth 33 and extracts a certain amount of gas, and the isotope for gas componant is tested；
(8) test is absorbed the isotope of gas, the gas opened in 28 separator boxs of vacuum pumping pump is quickly drawn out, then the carbon dioxide desorbing that manipulation electrical heating groove 30 intensification makes the absorbent 31 in separator box absorb is opened, open gas sample mouth 33 again, use pump bowl that the carbon dioxide after desorbing is bled, measure the isotope in carbon dioxide.
The foregoing is only a kind of specific embodiment of the present utility model; but embodiment of the present utility model is not limited thereto; any those skilled in the art is in field of the present utility model, and change or the modification made all are contained within protection domain of the present utility model.
Claims (5)
1. the biomethanation analogue experiment installation of coal seam sequestration of carbon dioxide, it is characterised in that: include bioconversion and blood circulation, bacterial activity and metabolism environmental monitoring system, temperature regulation system, aerogenesis effect assessment and Analysis on Mechanism system；
Bioconversion and blood circulation include the upper spiral glass tube being sequentially connected in series from top to bottom, middle spiral glass tube and lower spiral glass tube, upper spiral glass tube top is provided with methanogen floras and nutritional solution loading port and upper cycling mouth, methanogen floras and nutritional solution loading port go out to be provided with sealing lid, upper spiral glass tube top is provided with tee T at upper cycling mouth, it is provided with liquid taking port bottom lower spiral glass tube, carbon dioxide injection mouth and lower circulation port, upper spiral glass tube, different rank and the coal sample of granularity is loaded in middle spiral glass tube and lower spiral glass tube, carbon dioxide injection mouth connects carbon dioxide injection device, connected by grass tube between tee T and lower circulation port, grass tube bottom is provided with circulating pump, grass tube top is provided with methane concentration detector；
Liquid taking port is connected with metabolism environmental monitoring system with bacterial activity, and temperature regulation system is located at spiral glass tube, middle spiral glass tube and the outside of lower spiral glass tube, and aerogenesis effect assessment is connected with tee T with the air inlet of Analysis on Mechanism system.
The biomethanation analogue experiment installation of coal seam the most according to claim 1 sequestration of carbon dioxide, it is characterized in that: carbon dioxide injection device includes CO 2 high pressure steel cylinder, it is connected by ascending pipe between the gas outlet of CO 2 high pressure steel cylinder with carbon dioxide injection mouth, ascending pipe is sequentially provided with air relief valve, Pressure gauge and effusion meter along airflow direction.
The biomethanation analogue experiment installation of coal seam the most according to claim 1 sequestration of carbon dioxide, it is characterized in that: temperature regulation system includes calorstat and for regulating and controlling the intelligent thermostatic control device of calorstat temperature, calorstat inwall is provided with thermal insulation layer, and upper spiral glass tube, middle spiral glass tube and lower spiral glass tube are respectively positioned in calorstat.
The biomethanation analogue experiment installation of coal seam the most according to claim 1 sequestration of carbon dioxide, it is characterized in that: aerogenesis effect assessment and Analysis on Mechanism system include kinetic pump of bleeding, drying device, gas concentration and flow monitoring instrument and equipment for separation of gases, bleed and be connected by the first trachea between air inlet and the tee T of kinetic pump, the gas outlet of kinetic pump of bleeding is connected by the second trachea with the air inlet of drying device, gas concentration and flow monitoring instrument are located on the second trachea, the gas outlet of drying device is connected by the 3rd trachea with the air inlet of equipment for separation of gases, equipment for separation of gases is connected by the 4th trachea vacuum pump.
5. according to the biomethanation analogue experiment installation of the coal seam sequestration of carbon dioxide described in claim 1 or 2 or 3 or 4, it is characterized in that: equipment for separation of gases includes separating closed box and the electrical heating groove of open top, separate closed box to be placed in electrical heating groove, the middle and lower part separated in closed box is filled with absorbent, absorbent is ethanolamine or polyamide, separation closed box is provided with and is positioned at the gas concentration lwevel monitor controller above absorbent and gas sample tap, and the 4th trachea is connected to separate closed box top.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838598A (en) * | 2016-05-31 | 2016-08-10 | 河南理工大学 | Simulation experiment device for biomethanation of carbon dioxide sequestered in coal seams and experiment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105838598A (en) * | 2016-05-31 | 2016-08-10 | 河南理工大学 | Simulation experiment device for biomethanation of carbon dioxide sequestered in coal seams and experiment method |
| CN105838598B (en) * | 2016-05-31 | 2018-01-19 | 河南理工大学 | The biomethanation analogue experiment installation and experimental method of coal seam sequestration of carbon dioxide |
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Granted publication date: 20161207 Termination date: 20180531 |
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