CN114933402A - Anaerobic in-situ methane production reactor - Google Patents

Abstract

The invention discloses an anaerobic in-situ methane production reactor which comprises a main reactor, a carbon dioxide purification room, a desulfurization purification room, a main anaerobic room, an aerobic degradation room, a pump, a methane gas output pipe and a high-pressure fan, wherein the carbon dioxide purification room, the desulfurization purification room, the main anaerobic room and the aerobic degradation room are arranged in the main reactor, a partition wall, a filter screen, a primary air injection pipe and a nozzle are further arranged in the main reactor, an overflow pipe, a circulating liquid pipe, a pipe network and an oxygen pipe are arranged at the periphery of the main reactor, and the bottom of the main reactor is provided with a large inclined plate. The invention can be widely applied to a biogas engineering system, the main reactor can improve the content of methane generated by the biogas engineering from about 60 percent to about 93 percent, and the in-situ methane generation effect of the biogas engineering is realized. Can be widely applied to the resource treatment of organic sewage and waste generated in urban and rural industrial and agricultural production and people's life, and is a new energy environment-friendly device.

Description

Anaerobic in-situ methanogenesis reactor

technical field

The invention relates to the technical field of new energy and environmental protection, and specifically refers to an anaerobic in-situ methane-producing reactor, which can be widely used in urban and rural industrial and agricultural production and in the recycling of organic sewage and wastes generated by people's lives. Energy and environmental protection device.

Background technique

At present, there is no such form of anaerobic in-situ methanogenesis reactor. The biogas produced by the existing biogas projects with similar devices generally has low methane content, generally between 50-60%, and the biogas will be purified later. For biological natural gas, the equipment investment is large, the operating cost is high, and it cannot meet the development needs of the industry. Therefore, it is very necessary to develop a reactor device that can directly produce biological natural gas (methane). This anaerobic in-situ methane production reactor is very important. practical.

SUMMARY OF THE INVENTION

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an anaerobic in-situ methane-producing reactor, which solves the problems of low methane content in the biogas produced by the biogas project, and realizes that the reactor device can be directly The production of biological natural gas (methane) is an anaerobic in-situ methanogenesis reactor.

The technical scheme adopted in the present invention is as follows: the anaerobic in-situ methane production reactor of the present invention includes a main reactor, a carbon dioxide purification room, a desulfurization purification room, a main anaerobic room, an aerobic degradation room, a primary pressure pump, a secondary Booster pump, three-stage booster pump, liquid circulation pump, feed inlet, liquid outlet, overflow pipe, slag discharge valve, sludge discharge valve, emptying valve, oxygen flow pump, methane gas output pipe, hot blast stove , oxygen booster pump and high-pressure fan, the carbon dioxide purification room, desulfurization purification room, main anaerobic room, aerobic degradation room, material-liquid circulation pump, feed inlet, and liquid outlet are located in the main reactor, and the main The reactor is also provided with a partition wall, a filter screen, a first-stage jet pipe, a nozzle, and a first-stage oxygen jet nozzle. The main reactor is provided with an overflow pipe, a circulating liquid pipe, a pipe network, and an oxygen pipe. For the large inclined plate.

The pipe network at the top of the aerobic degradation room can spray the gas generated in the aerobic degradation room into the main anaerobic room through the first-stage pressurizing pump, the first-stage air jet pipe and the nozzle, and generate the biogas through the anaerobicity, and add the lye valve. , The acid adding valve provides the alkali or acid in the main anaerobic room, and adjusts the pH of the liquid material in the main anaerobic room.

Most of the carbon dioxide purification room is located in the main reactor, and a small part is located outside the main reactor. The biogas pipe enters the carbon dioxide purification room through the shell from the top of the carbon dioxide purification room. The lower end of the biogas pipe is provided with a nozzle. The pipe enters the carbon dioxide purification room from the top of the carbon dioxide purification room through the shell. The lower end of the circulating liquid pipe is provided with a circulating liquid nozzle. There is a pipe network at the top. The pipe network at the top of the main anaerobic room can spray the biogas generated in the main anaerobic room into the carbon dioxide purification room through the secondary pressure pump, biogas pipe and nozzle for carbon dioxide purification. The carbon dioxide purification room provides the required amount of carbon or nitrogen, and adjusts the carbon to ammonia ratio of the liquid material in the carbon dioxide purification room.

Most of the desulfurization and purification rooms are located in the main reactor, and a small part is located outside the main reactor. The biogas pipe passes through the shell from the top of the desulfurization and purification room and enters the desulfurization and purification room. The pump outlet pipe goes through the shell from the top of the desulfurization purification room and enters the desulfurization purification. The lower end of the outlet pipe of the oxygen flow pump is provided with a secondary oxygen nozzle. There is a pipe network at the top of the desulfurization and purification room. The pipe network at the top of the carbon dioxide purification room can spray the biogas generated by the carbon dioxide purification room into the desulfurization and purification room through a three-stage pressure pump, a biogas pipe and a nozzle for desulfurization and purification. Add desulfurization agent The valve provides desulfurization to supply the required amount of desulfurization agent, and the oxygen flow pump provides the required amount of oxygen to the desulfurization purification room for further desulfurization.

The gas valve provided with the hot blast stove provides the required biogas for the hot blast stove. The oxygen in the oxygen pipe is heated by the hot blast stove and then sprayed into the aerobic degradation room to heat the liquid material and supply oxygen. The oxygen can be pure oxygen. Or air, the top of the hot blast stove is equipped with a smoke exhaust pipe, and a high-pressure fan is installed in the exhaust pipe. The flue gas is merged into the oxygen pipe after the exhaust pipe and the pressure fan, and then sprayed into the aerobic degradation room through the first-level oxygen nozzle. Use flue gas and waste heat to convert carbon dioxide and carbon monoxide in flue gas into biogas through anaerobic reaction, and the check valve can control that oxygen will not flow into the exhaust pipe.

The methane gas output pipe is a pipe network that transports the biogas generated by the system (the methane content in the biogas is greater than about 93%) to the end of use.

The bottom of the main anaerobic room is provided with a slag discharge pipe network and a mud discharge pipe network, and the slag discharge pipe network is provided with a slag discharge valve, and the mud discharge pipe network is provided with a mud discharge valve.

The main reactor can increase the content of methane produced by the biogas project from about 60% to about 93%, and realize the effect of in-situ methane production in the biogas project.

Further, the main anaerobic room, the aerobic degradation room, the carbon dioxide purification room, and the desulfurization purification room are all provided with emptying valves.

Further, the liquid level line is the liquid level height when the carbon dioxide purification room, the desulfurization purification room, the main anaerobic room, the aerobic degradation room, the feeding port and the liquid outlet are running, and the feeding port and the liquid outlet are running. The liquid level of the aerobic degradation room and the main anaerobic room is higher than the water column of 60 cm above the aerobic degradation room and the main anaerobic room under the action of the internal pressure of the aerobic degradation room and the main anaerobic room. The liquid level of the feeding port and the liquid outlet can be adjusted according to the needs. .

Further, the feed inlet, the aerobic degradation room, the main anaerobic room, the carbon dioxide purification room, the desulfurization purification room and the liquid outlet are arranged in series, and are all perpendicular to the horizon.

Further, the vertical length of the carbon dioxide purification room and the desulfurization purification room in the main anaerobic room is smaller than the vertical length of the main anaerobic room.

Further, the pool volume of the feed inlet accounts for 1-2% of the total pool volume of the main reactor, and the larger the total pool volume of the reactor, the smaller the proportion; the pool volume between the aerobic degradation accounts for the total pool volume of the main reactor. The pool volume in the main anaerobic room accounts for 60% of the total pool volume of the main reactor; the pool volume in the carbon dioxide purification room accounts for 10% of the total pool volume in the main reactor; the pool volume in the desulfurization purification room accounts for the total volume of the main reactor. 6-8% of the pool volume; the pool volume of the liquid outlet accounts for 1-2% of the total pool volume of the main reactor, and the larger the total pool volume of the reactor, the smaller the proportion.

Further, the circulating liquid nozzle set in the carbon dioxide purification room is at the top of the carbon dioxide purification room, so that the gas generated in the carbon dioxide purification room is mixed with the circulating liquid here, so that the gas is further purified.

Further, the second-stage oxygen nozzle set in the desulfurization and purification room is at the top of the desulfurization and purification room, so that the gas generated in the desulfurization and purification room is mixed with oxygen here, so that the gas is further purified.

Further, the side surfaces of the bottom of the feed inlet and the liquid outlet are connected with the main anaerobic room.

Further, the diameter of the small inclined plate at the bottom of the carbon dioxide purification room and the desulfurization purification room is larger than the diameter of the shell of the carbon dioxide purification room and the desulfurization purification room.

Further, there is a space of more than 50 cm at the bottom of the nozzle, the first-stage oxygen nozzle and the main anaerobic room, aerobic degradation room, carbon dioxide purification room, and desulfurization purification room.

Further, the outlet pressures of the first-stage booster pump, the second-stage booster pump, the third-stage booster pump, the oxygen booster pump, and the high-pressure fan are all greater than the water column pressure of the water level in the main anaerobic room.

Further, the aerobic degradation room is arranged on one side of the main reactor, and communicates with the feed port and the main anaerobic room.

Further, the partition wall and the filter screen provided in the main reactor each account for half of the total height.

Further, the carbon dioxide purification room and the desulfurization purification room are arranged at any position in the main anaerobic room, so that the liquid inlet and outlet are communicated with the main anaerobic room.

Further, when the feed liquid level in the carbon dioxide purification room and the desulfurization purification room is higher than the main anaerobic room, the feed liquid in the carbon dioxide purification room and the desulfurization purification room flows to the main anaerobic room. When the feed liquid level in the desulfurization purification room is lower than the main anaerobic room, the feed liquid in the main anaerobic room flows to the carbon dioxide purification room and the desulfurization purification room.

Further, the material-liquid circulation pump is arranged in the middle of the height of the liquid outlet.

Further, the oxygen pipe, oxygen flow pump, gas valve, carbon or nitrogen addition valve, and desulfurizer addition valve are all connected with relevant auxiliary devices, and the auxiliary devices provide relevant auxiliary raw materials.

Further, the overflow pipe, the slag discharge valve and the mud discharge valve are all connected with relevant auxiliary devices, and the auxiliary devices are matched with the use end.

During operation, the material enters the aerobic degradation room from the feed port. After heating, oxygenation, and aerobic degradation, the material changes from TS to VS, and VS is dissolved in the material liquid, and flows into the main anaerobic room through the filter screen. The liquid produces biogas in the main anaerobic room. The biogas is pumped into the carbon dioxide purification room through the secondary pressure pump, reacts with carbon or nitrogen, dissolves in water (feed liquid) for decarbonation, and then is pumped into the desulfurization room through the third-stage pressure pump. In the purification room, desulfurization is carried out with desulfurizer and oxygen. Through the purified biogas, the methane content can be increased from about 60% to about 93%, so that the production of biological natural gas can be realized in situ, and methane gas (biological natural gas) is output from methane gas. The pipe is transported to the end of use; the slag liquid in the aerobic degradation room is discharged through the pipe network and the slag discharge valve; the biogas liquid in the main anaerobic room overflows through the overflow pipe; the slag in the main anaerobic room is discharged through the pipe network and the sludge discharge valve; The relevant auxiliary raw materials required for operation are provided by the relevant auxiliary devices; the discharged biogas slurry, slag liquid and sludge are discharged into the auxiliary device, and the auxiliary device is matched with the end of use.

Compared with the existing single air-conditioning function, the present invention has the following advantages: the anaerobic in-situ methane production reactor of this scheme solves the problem that the methane content of the biogas produced by the general biogas reactor is low and cannot be directly used as biological natural gas, and realizes the The technical effect of anaerobic in-situ production of methane gas (biological natural gas) can make the production equipment less investment, low operating cost, simple management and maintenance, can increase the total amount of methane gas produced by the processed materials, and improve the investment benefit rate. A very practical anaerobic in situ methanogenesis reactor.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the anaerobic in-situ methanogenesis reactor of the present invention.

Among them, 1. Main reactor, 2. Carbon dioxide purification room, 3. Desulfurization purification room, 4. Main anaerobic room, 5. Aerobic degradation room, 6. Primary booster pump, 7. Secondary booster pump, 8. Three-stage booster pump, 9. Material-liquid circulation pump, 10. Feed port, 11, Liquid outlet, 12, Overflow pipe, 13, Slag discharge valve, 14, Sludge discharge valve, 15, Partition wall, 16, filter screen, 17, first-level jet pipe, 18, biogas pipe, 19, nozzle, 20, liquid inlet and outlet, 21, small inclined plate, 22, large inclined plate, 23, oxygen pipe, 24, first-level oxygen injection Nozzle, 25, oxygen booster pump, 26, oxygen valve, 27, gas valve, 28, hot blast stove, 29, circulating liquid pipe, 30, circulating liquid nozzle, 31, oxygen flow pump, 32, pipe network, 33, exhaust Empty valve, 34, carbon or nitrogen valve, 35, desulfurizer valve, 36, secondary oxygen nozzle, 37, lye valve, 38, acid valve, 39, methane gas output pipe, 40, main Anaerobic room, 41, clean room, 42, liquid level line, 43, exhaust pipe, 44, high pressure fan, 45, check valve.

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

As shown in Figure 1, the anaerobic in-situ methane production reactor of the present invention includes a main reactor 1, a carbon dioxide purification room 2, a desulfurization purification room 3, a main anaerobic room 4, an aerobic degradation room 5, and a primary pressure pump 6. Secondary booster pump 7, tertiary booster pump 8, material liquid circulation pump 9, feed port 10, liquid outlet 11, overflow pipe 12, slag discharge valve 13, mud discharge valve 14, emptying valve 33. Oxygen flow pump 31, methane gas output pipe 39, hot blast stove 28, oxygen booster pump 25 and high-pressure fan 44, described carbon dioxide purification room 2, desulfurization purification room 3, main anaerobic room 4, aerobic degradation room 5 , the feed liquid circulation pump 9, the feed port 10, and the liquid outlet 11 are arranged in the main reactor 1, and the main reactor 1 is also provided with a partition wall 15, a filter screen 16, a first-stage air jet pipe 17, a nozzle 19, The first-stage oxygen nozzle 24, the main reactor 4 is provided with an overflow pipe 12, a circulating liquid pipe 29, a pipe network 32, an oxygen pipe 23, and the bottom of the main reactor 4 is set as a large inclined plate 22.

The pipe network 32 at the top of the aerobic degradation room 5 can spray the gas generated in the aerobic degradation room 5 into the main anaerobic room 4 through the first-stage pressure pump 6, the first-stage air jet pipe 17 and the nozzle 19. Biogas is generated, and the alkali solution valve 37 and the acid addition valve 38 provide the alkali solution or acid solution in the main anaerobic room 4 to adjust the pH of the liquid material in the main anaerobic room 4 .

Most of the carbon dioxide purification room 2 is located in the main reactor 1, and a small part is located outside the main reactor 1. The biogas pipe 18 enters the carbon dioxide purification room 2 through the shell from the top of the carbon dioxide purification room 2. The biogas pipe 18 The lower end is provided with a nozzle 19, the circulating liquid pipe 29 enters the carbon dioxide purification room 2 from the top of the carbon dioxide purification room 2 through the casing, the circulating liquid pipe 29 is provided with a circulating liquid nozzle 30 at the lower end, and the carbon dioxide purification room 2 is provided with a small inclined plate 21 at the bottom , and the small inclined plate 21 is provided with a liquid inlet and outlet 20 on one side, a pipe network 32 is provided on the top of the carbon dioxide purification room 2, and the pipe network 32 on the top of the main anaerobic room 4 passes through the secondary pressure pump 7, the biogas pipe 18, and the nozzle 19, The biogas generated in the main anaerobic room 4 can be sprayed into the carbon dioxide purification room 2 for carbon dioxide purification, and the carbon or nitrogen valve 34 can provide the required amount of carbon or nitrogen to the carbon dioxide purification room 2, and adjust the carbon dioxide in the carbon dioxide purification room 2. Ammonia ratio.

Most of the desulfurization purification room 3 is located in the main reactor 1, and a small part is located outside the main reactor 1. The biogas pipe 18 enters the desulfurization purification room 3 from the top of the desulfurization purification room 3 through the shell. The biogas pipe 18 The lower end is provided with a nozzle 19, the outlet pipe of the oxygen flow pump 31 passes through the shell from the top of the desulfurization purification room 3 and enters the desulfurization purification room 3. The lower end of the outlet pipe of the oxygen flow pump 31 is provided with a secondary oxygen nozzle 36, and the bottom of the desulfurization purification room 3 A small inclined plate 21 is provided, and one side of the small inclined plate is provided with a liquid inlet and outlet 20. The top of the desulfurization purification room 3 is provided with a pipe network 32, and the pipe network 32 at the top of the carbon dioxide purification room 3 passes through the three-stage pressure pump 8 and the biogas pipe 18 , the nozzle 19, can spray the biogas generated in the carbon dioxide purification room 2 into the desulfurization purification room 3 for desulfurization purification, add the desulfurization agent valve 35 to provide the required amount of desulfurization agent, and the oxygen flow pump 31 provides the desulfurization purification room 3 with the required amount of desulfurization agent. amount of oxygen for further desulfurization.

The gas valve 27 provided in the hot blast stove 28 provides the required biogas for the hot blast stove 28 to use. The oxygen in the oxygen pipe 23 is heated by the hot blast stove 28 and then sprayed into the aerobic degradation chamber 5 to heat the liquid material and supply oxygen. , oxygen can be pure oxygen or air, the top of the hot blast stove 28 is provided with a smoke exhaust pipe 43, and a high-pressure fan 44 is arranged in the smoke exhaust pipe 43, and the flue gas is merged into the oxygen pipe 23 after the smoke exhaust pipe 43 and the high-pressure fan 44, and then The first-stage oxygen nozzle is sprayed 24 into the aerobic degradation room 5, and the flue gas and waste heat are utilized, so that the carbon dioxide and carbon monoxide in the flue gas are converted into biogas by anaerobic reaction, and the check valve 45 can control the oxygen not to flow into the exhaust gas. Tube 43.

The methane gas output pipe 39 is a pipe network for transporting the biogas generated by the system (the methane content in the biogas is greater than about 93%) to the end of use.

The main reactor 1 can increase the content of methane produced by the biogas project from about 60% to about 93%, thereby realizing the effect of in-situ methane production in the biogas project.

The bottom of the main anaerobic room 4 is provided with a slag discharge pipe network 32 and a mud discharge pipe network 32 , and the slag discharge pipe network 32 is provided with a slag discharge valve 13 , and the mud discharge pipe network 32 is provided with a mud discharge valve 14 .

The main anaerobic room 4 , the aerobic degradation room 5 , the carbon dioxide purification room 2 , and the desulfurization purification room 3 are all provided with an emptying valve 33 .

The liquid level line 42 is the liquid level height when the carbon dioxide purification room 2, the desulfurization purification room 3, the main anaerobic room 4, the aerobic degradation room 5, the feeding port 10, and the liquid outlet 11 are operating. The liquid level 42 of the liquid outlet 11 during operation is higher than the water column of 460 cm above the aerobic degradation room 5 and the main anaerobic room 4 under the action of the internal air pressure in the aerobic degradation room 5 and the main anaerobic room 4, and the feed can be adjusted as required. The liquid level when the port 10 and the liquid outlet 11 are running.

The feed inlet 10, the aerobic degradation room 5, the main anaerobic room 4, the carbon dioxide purification room 2, the desulfurization purification room 3 and the liquid outlet 11 are arranged in series, and are all perpendicular to the horizon.

The vertical length of the carbon dioxide purification room 2 and the desulfurization purification room 3 in the main anaerobic room 4 is smaller than the vertical length of the main anaerobic room 4 .

The pool volume of the feed port 10 accounts for 1-2% of the total pool volume of the main reactor 1, and the larger the total pool volume of the reactor 1, the smaller the proportion; the pool volume of the aerobic degradation room 5 accounts for the total pool volume of the main reactor 1. 20% of the pool volume; the pool volume of the main anaerobic room 4 accounts for 60% of the total pool volume of the main reactor 1; the pool volume of the carbon dioxide purification room 2 accounts for 10% of the total pool volume of the main reactor 1; the desulfurization purification room The pool volume of 3 accounts for 6-8% of the total pool volume of the main reactor 1; the pool volume of the liquid outlet 11 accounts for 1-2% of the total pool volume of the main reactor 1, and the larger the total pool volume of the reactor 1, the higher the proportion. Small.

The circulating liquid nozzle 30 set in the carbon dioxide purification room 2 is located at the top of the carbon dioxide purification room 2, and the gas generated in the carbon dioxide purification room 2 is mixed with the circulating liquid here, so that the gas is further purified.

The secondary oxygen nozzle 36 set in the desulfurization and purification room 3 is at the top of the desulfurization and purification room 3, so that the gas generated in the desulfurization and purification room 3 is mixed with oxygen here, so that the gas is further purified.

The side surfaces of the bottom of the feed port 10 and the liquid outlet 11 are connected to the main anaerobic room 4 .

The diameters of the small inclined plates 21 at the bottom of the carbon dioxide purification room 2 and the desulfurization purification room 3 are larger than the diameters of the shells of the carbon dioxide purification room 2 and the desulfurization purification room 3 .

The nozzles 19, the first-stage oxygen nozzles 24 and the bottom of the main anaerobic room 4, the aerobic degradation room 5, the carbon dioxide purification room 2, and the desulfurization purification room 3 all have a space of more than 50 cm.

The outlet pressures of the first-stage booster pump 6, the second-stage booster pump 7, the third-stage booster pump 8, the oxygen booster pump 25, and the high-pressure fan 44 are all greater than the water column pressure at the 4 water level in the main anaerobic room.

The aerobic degradation room 5 is arranged on one side of the main reactor 1 and communicates with the feed port 10 and the main anaerobic room 4 .

The partition wall 15 and the filter screen 16 provided in the main reactor 1 each account for half of the total height.

The carbon dioxide purification room 2 and the desulfurization purification room 3 are arranged at any positions in the main anaerobic room 4 , so that the liquid inlet and outlet 20 are communicated with the main anaerobic room 4 .

In the liquid inlet and outlet 20, when the liquid level of the carbon dioxide purification room 2 and the desulfurization purification room 3 is higher than the main anaerobic room 4, the feed liquid of the carbon dioxide purification room 2 and the desulfurization purification room 3 flows to the main anaerobic room 4. When the liquid level of the feed liquid in the carbon dioxide purification room 2 and the desulfurization purification room 3 is lower than the main anaerobic room 4, the feed liquid in the main anaerobic room 4 flows to the carbon dioxide purification room 2 and the desulfurization purification room 3.

The feed liquid circulation pump 9 is arranged in the middle of the height of the liquid outlet 11 .

The oxygen pipe 23, the oxygen flow pump 31, the gas valve 27, the carbon or nitrogen valve 34, and the desulfurizer valve 35 are all connected to the relevant auxiliary devices, and the auxiliary devices provide relevant auxiliary raw materials.

The overflow pipe 12 , the slag discharge valve 13 and the mud discharge valve 14 are all connected with relevant auxiliary devices, and the auxiliary devices are matched with the end of use.

In specific use, the user shall correspond the materials, equipment, devices, pumps, high-pressure fans, valves, pipe networks, etc. required for the anaerobic in-situ methane production reactor to construction, installation, and power-on debugging according to the diagram. After feeding and using, the anaerobic in-situ methanogenesis reactor can run automatically.

During operation, the material enters the aerobic degradation room 5 from the feeding port 10. After heating, oxygenation, and aerobic degradation, the material changes from TS to VS, and VS dissolves in the material liquid, and flows into the main anaerobic system through the filter screen 16. In room 4, the feed liquid produces biogas in the main anaerobic room 4, and the biogas is pumped into the carbon dioxide purification room 2 through the secondary pressure pump 7, and then reacts with carbon or nitrogen, dissolves water (feed liquid) for decarbonation, and then passes through three The stage pressure pump 8 is pumped into the desulfurization purification room 3, and desulfurization is carried out with desulfurization agent and oxygen. Through the purified biogas, the methane content can be increased from about 60% to about 93%, so that the biological natural gas can be generated in situ. Gas (biological natural gas) is transported to the end of use by the methane gas output pipe 39; the slag liquid in the aerobic degradation room 5 is discharged through the pipe network 32 and the slag discharge valve 13; the biogas liquid in the main anaerobic room 4 overflows through the overflow pipe 12; The sludge in the main anaerobic room 4 is discharged through the pipe network 32 and the sludge discharge valve 14; the relevant auxiliary raw materials required for operation are provided by the relevant auxiliary devices; the discharged biogas slurry, slag liquid, and sludge are discharged into the auxiliary device, and the auxiliary device In combination with the end of use, the above is the operation process of the entire anaerobic in-situ methane production reactor.

It should be noted that in this article, relational terms such as "methane" are a general term for biogas and biogas, and are only used to distinguish between biogas and biogas, not specifically; in this article, terms such as "or" ” and the like, without necessarily requiring or implying any such actual relationship or ordering between these entities or operations. Moreover, the terms "comprising", "comprising", or any other variation thereof, are intended to be non-exclusive so as to include elements of a series of processes, methods, articles or devices, and also include other elements not expressly listed , or elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In a word, if those of ordinary skill in the art are inspired by it, without departing from the purpose of the present invention, any structural modes and embodiments similar to this technical solution are designed without creativity, and all should belong to the protection scope of the present invention.

Claims (5)

1. An anaerobic in-situ methane production reactor, which is mainly composed of a main reactor, a carbon dioxide purification room, a desulfurization purification room, a main anaerobic room, an aerobic degradation room, a first-stage booster pump, a second-stage booster pump, and a three-stage booster pump. Stage booster pump, feed liquid circulation pump, feed inlet, liquid outlet, overflow pipe, slag discharge valve, sludge discharge valve, emptying valve, oxygen flow pump, methane gas output pipe, hot blast stove, oxygen booster pump It is composed of a high-pressure fan, and is characterized in that: the carbon dioxide purification room, the desulfurization purification room, the main anaerobic room, the aerobic degradation room, the material-liquid circulation pump, the feeding port and the liquid outlet are arranged in the main reactor, and the main reactor There are also partition walls, filter screens, first-stage jet pipes, nozzles, and first-stage oxygen jet nozzles. The periphery of the main reactor is provided with overflow pipes, circulating liquid pipes, pipe networks, and oxygen pipes. The bottom of the main reactor is set to be large. The inclined plate and the main reactor can increase the methane content of the biogas project from about 60% to about 93%, and realize the effect of in-situ methane production in the biogas project. 2. a kind of anaerobic in-situ methanogenic reactor according to claim 1 is characterized in that: described feed port, aerobic degradation room, main anaerobic room, carbon dioxide purification room, desulfurization purification room and liquid outlet The mouths are arranged in series, and they are all perpendicular to the horizon. 3. An anaerobic in-situ methanogenesis reactor according to claim 1, wherein the vertical length of the carbon dioxide purification room and the desulfurization purification room in the main anaerobic room is less than the vertical length of the main anaerobic room . 4. An anaerobic in-situ methanogenesis reactor according to claim 1, characterized in that: the pool volume of the feed inlet accounts for 1-2% of the total pool volume of the main reactor, and the total pool volume of the reactor The larger the proportion, the smaller the proportion; the pool volume in the aerobic degradation room accounts for 20% of the total pool volume of the main reactor; the pool volume in the main anaerobic room accounts for 60% of the total pool volume in the main reactor; the pool volume in the carbon dioxide purification room accounts for 60% of the total pool volume of the main reactor. 10% of the total pool volume of the main reactor; the pool volume of the desulfurization purification room accounts for 6-8% of the total pool volume of the main reactor; the pool volume of the liquid outlet accounts for 1-2% of the total pool volume of the main reactor. The larger the total pool volume, the smaller the proportion. 5 . The anaerobic in-situ methanogenesis reactor according to claim 1 , wherein the partition wall and the filter screen provided in the main reactor each account for half of the total height. 6 .

Images