CN210584943U - Automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic material - Google Patents

Automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic material Download PDF

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Publication number
CN210584943U
CN210584943U CN201921357486.9U CN201921357486U CN210584943U CN 210584943 U CN210584943 U CN 210584943U CN 201921357486 U CN201921357486 U CN 201921357486U CN 210584943 U CN210584943 U CN 210584943U
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discharging
channel
feeding
screw rod
reaction tank
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CN201921357486.9U
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马旭光
江滔
常佳丽
唐琼
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Leshan Normal University
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Leshan Normal University
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Abstract

The utility model discloses an automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic materials, which comprises a reaction tank, wherein the upper part and the lower part of the reaction tank are respectively connected with a feeding channel and a discharging channel, the feeding channel is in an L shape, the end part of the feeding channel extends into a mixing pool arranged on the ground, and a vertical screw rod and a horizontal screw rod are arranged in the feeding channel; a feeding sealing valve is arranged at the joint of the feeding channel and the reaction tank, a horizontal discharging screw rod is arranged in the discharging channel, and the vertical screw rod, the horizontal screw rod and the discharging screw rod are respectively connected with a rotating shaft of a motor; a discharge opening is formed in the discharge channel, a discharge sealing valve is mounted on the discharge opening, and a discharge collecting tank is arranged below the discharge opening; one side of the discharging port in the discharging channel is provided with a baffle. The device is used for producing methane by continuously feeding and discharging the high-solid-content wood fiber raw material; the popularization and the application of industrialization, large scale and high efficiency are promoted.

Description

Automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic material
Technical Field
The utility model relates to a fermentation cylinder technical field, concretely relates to automatic continuous business turn over material reaction unit of methane is produced to high solid rate cellulosic material.
Background
The lignocellulose resources in China are extremely rich, but the lignocellulose resources at present still do not reach the level of efficient utilization, and a series of environmental pollution problems caused by straw burning and feces discharge still exist widely. Under the conditions that the haze weather in China is increasingly severe and the gaps between natural gas supply and demand are continuously enlarged, the development of biogas (methane with methane content more than 95%) has great significance for relieving the shortage of clean energy, reducing emission and removing haze and realizing economic transformation development. The natural lignocellulose with rich resource is an important raw material for producing the biological natural gas, but compared with the lignocellulose raw material specially used for producing clean energy in foreign countries, the raw materials of crop straws, forestry wastes and the like in China have the characteristics of high dry matter content (more than 70 percent), high lignocellulose content (more than 75 percent) and the like.
Anaerobic methanogenesis of a lignocellulose material is a biochemical process which is synergistically acted by a plurality of microbial communities with different metabolic functions, and comprises a hydrolysis stage, an acidogenesis stage, an acetoxylation stage and a methanogenesis stage, wherein the four stages are relatively independent and closely related organic integers, and the hydrolysis and acidification stages are the rate-limiting steps of the methanogenesis of the lignocellulose material.
Compared with the traditional low solid content fermentation technology, the anaerobic fermentation technology for the lignocellulose material with high solid content (solid content in a fermentation system is more than 10%) has the advantages of high volumetric gas production rate, small biogas slurry discharge amount, low energy consumption and the like, and is a research hotspot in the field of efficient methane production of the manure straws at present, but most reactors in the prior art are difficult to realize automatic feeding and discharging, and the industrialization, large-scale and high-efficiency popularization and application of the process are limited.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a can realize that high solid content lignocellulose material automatic feed and the reaction unit who arranges the material.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the automatic continuous feeding and discharging reaction device for producing methane from the high-solid-content cellulosic material comprises a reaction tank, wherein the upper part and the lower part of the reaction tank are respectively connected with a feeding channel and a discharging channel, the feeding channel is L-shaped, the end part of the feeding channel extends into a material mixing pool arranged on the ground, and a vertical spiral rod and a horizontal spiral rod are arranged in the feeding channel; a feeding sealing valve is arranged at the joint of the feeding channel and the reaction tank, a horizontal discharging screw rod is arranged in the discharging channel, and the vertical screw rod, the horizontal screw rod and the discharging screw rod are respectively connected with a rotating shaft of a motor; a discharge opening is formed in the discharge channel, a discharge sealing valve is mounted on the discharge opening, and a discharge collecting tank is arranged below the discharge opening; one side of the discharging port in the discharging channel is provided with a baffle.
Further, a heat preservation groove is arranged outside the tank body of the reaction tank, a water injection port is arranged on the heat preservation groove, a plurality of heating pipes are arranged at the bottom of the heat preservation groove, and a temperature controller is arranged on the heat preservation groove.
Further, the top of retort is provided with sample connection and blast pipe, is provided with gas flowmeter on the blast pipe, is provided with the thermometer on the retort, and the thermometer extends into the middle part of the jar body.
Further, a stirring paddle is arranged in the reaction tank and connected with a motor at the top of the reaction tank through a stirring rod.
Further, a sight glass is arranged at the top of the reaction tank.
Further, the end of the feeding channel is arranged to be a horn mouth with a downward opening, the vertical screw rod exceeds the feeding channel, and the discharging screw rod exceeds the discharging channel and extends into the reaction tank.
The utility model has the advantages that: the device is used for continuously producing methane from the wood fiber raw material with high solid content, and producing methane gas through fermentation in the reaction tank; when the device is used, the wood fiber raw material with high solid content is poured into the material mixing pool, the motor drives the vertical screw rod and the horizontal screw rod to rotate, the raw material is rolled into the feeding channel, the feeding sealing valve is opened, and the raw material is discharged into the reaction tank. Make the staff just need add the raw materials and mix in the pond and just can realize reinforced in the retort like this, the reinforced work load that has significantly reduced. Meanwhile, the fermentation raw materials in the reaction tank can be discharged through a discharging screw rod in a discharging channel, so that automatic discharging is realized; the application of industrialized, large-scale and high-efficiency popularization and production is promoted.
Water is injected into the heat preservation groove, heating and heat preservation are realized through the heating pipe at the bottom, and the water temperature can be detected by the thermometer, so that the temperature of water bath heating is conveniently controlled; the sampling port is convenient for sampling and can monitor the fermentation condition in the reaction tank regularly, meanwhile, the thermometer detects the reaction temperature, and the gas flowmeter monitors the flow of the generated gas; vertical hob is when rotating, and the horn mouth that feedstock channel bottom set up can effectively reduce raw materials around and disperse, improves the efficiency of vertical hob coil stock, and vertical hob surpasss feedstock channel and ejection of compact hob simultaneously and surpasss the design that feedstock channel extended into the retort, direct and raw materials and the contact of natural pond sediment also can promote the effect of coil stock.
Drawings
FIG. 1 is a schematic structural diagram of an automatic continuous feeding and discharging reaction device for producing methane from a high-solid-content cellulosic material.
The device comprises a discharge collecting pool 1, a discharge outlet 2, a discharge outlet 3, a baffle 4, a heat preservation tank 5, a water injection port 6, a sight glass 7, a thermometer 8, an exhaust pipe 9, a sampling port 10, a feeding sealing valve 11, a feeding channel 12, a vertical screw rod 13, a bell mouth 14, a mixing pool 15, a horizontal screw rod 16, a thermometer 17, a stirring paddle 18, a heating pipe 19 and a discharging screw rod.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1, the automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic materials comprises a reaction tank, wherein the upper part and the lower part of the reaction tank are respectively connected with a feeding channel 11 and a discharging channel, the feeding channel 11 is in an L shape, and the right angle of the feeding channel 11 is in a transition arc shape, so that the feeding is convenient; the end part of the feeding channel 11 extends into a stirring pool 14 arranged on the ground, and a vertical screw rod 12 and a horizontal screw rod 15 are arranged in the feeding channel 11; the junction of the feed channel 11 and the reaction tank is provided with a feed seal valve 10.
A horizontal discharging screw rod 19 is arranged in the discharging channel, the vertical screw rod 12, the horizontal screw rod 15 and the discharging screw rod 19 are respectively connected with a rotating shaft of a motor, and the motor is arranged outside the discharging channel and the feeding channel 11; a discharge opening 2 is formed in the discharge channel, a discharge sealing valve is arranged on the discharge opening 2, and a discharge collecting tank 1 is arranged below the discharge opening 2; one side of discharge gate 2 is provided with baffle 3 in the discharging channel, and the convenience is arranged the material, avoids piling up.
The device is used for continuously producing methane from the wood fiber raw material with high solid content, and producing methane gas through fermentation in the reaction tank; when the device is used, the lignocellulose raw material is poured into the material mixing pool 14, the motor drives the vertical screw rod 12 and the horizontal screw rod 15 to rotate, the raw material is rolled into the feeding channel 11, the feeding sealing valve 10 is opened, and the raw material is discharged into the reaction tank. Therefore, the charging into the reaction tank can be realized only by adding the raw materials into the stirring pool 14 by workers, and the charging workload is greatly reduced. Meanwhile, the waste in the reaction tank can be discharged through a discharging screw rod 19 in the discharging channel, so that automatic discharging is realized; the application of industrialized, large-scale and high-efficiency popularization and production is promoted.
A heat preservation groove 4 is arranged outside the tank body of the reaction tank, a water filling port 5 is arranged on the heat preservation groove 4, a plurality of heating pipes 18 are arranged at the bottom of the heat preservation groove 4, and a temperature controller 16 is arranged on the heat preservation groove 4. Water is injected into the heat preservation tank 4, heating and heat preservation are achieved through the heating pipe 18 at the bottom, the water temperature can be detected through the thermometer 16, and the water bath heating temperature can be conveniently controlled. The thermometer adopts an HT-01 high-precision water temperature electronic thermometer, and the thermometer adopts an AR212 industrial high-precision contact type digital display thermometer.
The top of retort is provided with sample connection 9 and blast pipe 8, is provided with gas flowmeter on the blast pipe 8, is provided with thermometer 7 on the retort, and thermometer 7 extends into the middle part of the jar body. The sample connection 9 is convenient for sampling, the reaction condition in the reaction tank is detected, meanwhile, the thermometer 7 monitors the reaction temperature, and the gas flowmeter monitors the flow of the generated gas. A stirring paddle 17 is arranged in the reaction tank, and the stirring paddle 17 is connected with a motor at the top of the reaction tank through a stirring rod; and a sight glass 6 is arranged at the top of the reaction tank.
The end of the feed channel 11 is arranged as a bell mouth 13, the vertical screw 12 extends beyond the feed channel 11, and the discharge screw 19 extends beyond the discharge channel into the reaction tank. Vertical hob 12 is when rotating, and the horn mouth 13 that the feed inlet set up can effectively reduce raw materials on every side and disperse, improves the efficiency of 12 coil stocks of vertical hob, and vertical hob 12 surpasss feedstock channel 11 and ejection of compact hob 19 simultaneously and surpasss the design that feedstock channel extended into the retort, direct and raw materials and the contact of natural pond sediment also can promote the effect of coil stock.

Claims (6)

1. An automatic continuous feeding and discharging reaction device for producing methane from a high-solid-content cellulosic material is characterized by comprising a reaction tank, wherein the upper part and the lower part of the reaction tank are respectively connected with a feeding channel (11) and a discharging channel, the feeding channel (11) is L-shaped, the end part of the feeding channel (11) extends into a material mixing pool (14) arranged on the ground, and a vertical spiral rod (12) and a horizontal spiral rod (15) are arranged in the feeding channel (11); a feeding sealing valve (10) is arranged at the joint of the feeding channel (11) and the reaction tank, a horizontal discharging screw rod (19) is arranged in the discharging channel, and the vertical screw rod (12), the horizontal screw rod (15) and the discharging screw rod (19) are respectively connected with a rotating shaft of a motor; a discharge opening (2) is formed in the discharge channel, a discharge sealing valve is mounted on the discharge opening (2), and a discharge collecting tank (1) is arranged below the discharge opening (2); and a baffle (3) is arranged on one side of the discharging opening (2) in the discharging channel.
2. The automatic continuous feeding and discharging reaction device for producing methane by using the high-solid-content cellulosic material as claimed in claim 1, wherein a heat-insulating tank (4) is arranged outside the tank body of the reaction tank, a water injection port (5) is arranged on the heat-insulating tank (4), a plurality of heating pipes (18) are arranged at the bottom of the heat-insulating tank (4), and a temperature controller (16) is arranged on the heat-insulating tank (4).
3. The automatic continuous feeding and discharging reaction device for producing methane by using the high-solid-content cellulosic material as claimed in claim 1, wherein a sampling port (9) and an exhaust pipe (8) are arranged at the top of the reaction tank, a gas flowmeter is arranged on the exhaust pipe (8), a thermometer (7) is arranged on the reaction tank, and the thermometer (7) extends into the middle of the tank body.
4. The automatic continuous feeding and discharging reaction device for producing methane by using the high-solid-content cellulosic material as claimed in claim 1, wherein a stirring paddle (17) is arranged in the reaction tank, and the stirring paddle (17) is connected with a motor at the top of the reaction tank through a stirring rod.
5. The automatic continuous feeding and discharging reaction device for producing methane by using the high-solid-content cellulosic material as claimed in claim 1, wherein a sight glass (6) is arranged at the top of the reaction tank.
6. The automatic continuous feeding and discharging reaction device for producing methane by using the high-solid-content cellulosic material as claimed in claim 1, wherein the end part of the feeding channel (11) is provided with a downward-opening bell mouth (13), the vertical screw rod (12) extends out of the feeding channel (11), and the discharging screw rod (19) extends out of the discharging channel and extends into the reaction tank.
CN201921357486.9U 2019-08-20 2019-08-20 Automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic material Active CN210584943U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921357486.9U CN210584943U (en) 2019-08-20 2019-08-20 Automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921357486.9U CN210584943U (en) 2019-08-20 2019-08-20 Automatic continuous feeding and discharging reaction device for producing methane from high-solid-content cellulosic material

Publications (1)

Publication Number Publication Date
CN210584943U true CN210584943U (en) 2020-05-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
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