CN209940793U - Pretreatment is high temperature anaerobic digestion processing apparatus in combination - Google Patents
Pretreatment is high temperature anaerobic digestion processing apparatus in combination Download PDFInfo
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- CN209940793U CN209940793U CN201920261514.0U CN201920261514U CN209940793U CN 209940793 U CN209940793 U CN 209940793U CN 201920261514 U CN201920261514 U CN 201920261514U CN 209940793 U CN209940793 U CN 209940793U
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Abstract
The utility model discloses a pretreatment combined medium-high temperature anaerobic digestion treatment device, which comprises an ultrasonic generator, a hose I, a peristaltic pump, a hose II, a lower sampling port, a sampling port, an upper sampling port, a gas production port, a hose III, a gas flowmeter, a methane storage device, a stirring rod, an anaerobic digestion tank, stirring blades, a bottom mud pipe and a feed inlet; the top of the anaerobic digestion tank is provided with a feed inlet which is connected with a peristaltic pump through a second hose; the peristaltic pump is connected with the glass container through a first hose; the glass container is placed in the ultrasonic generator; a lower sampling port, a sampling port and an upper sampling port are arranged on the anaerobic digestion tank; the bottom of the anaerobic digestion tank is provided with a bottom sludge discharge pipe; the top of the oxygen digestion tank is also provided with a gas production port; the gas generating port is connected with the methane storage device through a hose III and a gas flowmeter; the anaerobic digestion tank is internally provided with a stirring rod which is provided with a plurality of stirring blades. The utility model accelerates the anaerobic digestion process and improves the reaction effect.
Description
Technical Field
The utility model relates to a solid waste handles the field, concretely relates to high temperature anaerobic digestion processing apparatus in preliminary treatment is united.
Background
Due to the huge production amount, the organic perishable garbage occupies a dominant position in the municipal solid waste management system in China, and is the key for realizing the reduction and the harmlessness of the garbage. The organic perishable garbage is solid waste which has high water content and complex components, is difficult to treat and contains huge material wealth, is not properly treated, and is extremely easy to cause harm to the environment and human bodies. The harm is mainly reflected in that: (1) is easy to become breeding place for pests such as mosquito, fly, cockroach, mouse, etc., and can be used as a medium for virus transmission. (2) The organic perishable garbage generates a large amount of high-concentration leachate in the self-putrefaction process, and when the organic perishable garbage flows into rivers or permeates into soil, water and soil resources are seriously polluted. (3) More than ten harmful gases such as ammonia, styrene, hydrogen sulfide and the like are generated in the process of decay.
Anaerobic digestion refers to the decomposition of biodegradable organic matter into CH by facultative bacteria and anaerobic bacteria under anaerobic condition4、CO2、H2O and H2The digestion technology of S is widely applied to biogas engineering technologies in the aspects of sewage, livestock and poultry manure, urban organic waste treatment and the like, and can realize the aims of circular economy development, environmental protection, greenhouse gas emission reduction, renewable energy production and the like. Anaerobic digestion greatly improves the energy balance of the organic waste treatment process, and has great economic and environmental advantages.
The traditional anaerobic digestion has the defects of slow reaction, long sludge retention time, huge pool body solvent, low methane production amount, poor sludge degradation degree and the like, and the exertion of the advantages of the anaerobic digestion technology is limited. In the anaerobic digestion process, different organic matter degradation ways are different, the whole anaerobic digestion process is divided into hydrolysis acidification, hydrogen production and acetic acid production and methane production by a three-stage theoretical reaction mechanism, hydrolysis is a limiting step of anaerobic digestion due to the existence of cell walls, and the hydrolysis condition of microorganisms on sludge directly influences the digestion reaction effect. One of the main methods for improving anaerobic digestion of sludge is to perform intensified pretreatment on excess sludge to destroy the cell walls of the sludge, so that intracellular organic matters are transferred from a solid phase to a liquid phase, and the anaerobic digestion process is accelerated.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a high temperature anaerobic digestion processing apparatus in preliminary treatment unites for anaerobic digestion's process improves the reaction effect.
In order to solve the technical problem, the utility model discloses take following technical scheme: a pretreatment combined medium-high temperature anaerobic digestion treatment device comprises an ultrasonic generator, a hose I, a peristaltic pump, a hose II, a lower sampling port, a sampling port, an upper sampling port, a gas production port, a hose III, a gas flowmeter, a methane storage device, a stirring rod, an anaerobic digestion tank, stirring blades, a bottom sludge discharge pipe and a feeding port;
the top of the anaerobic digestion tank is provided with a feed inlet, and the feed inlet is connected with a peristaltic pump through a second hose; the peristaltic pump is connected with a material outlet of the glass container through a first hose; the glass container is placed in the ultrasonic generator;
the anaerobic digestion tank is provided with a lower sampling port, a sampling port and an upper sampling port from top to bottom; the bottom of the anaerobic digestion tank is provided with a sludge discharge port which is connected with a bottom sludge discharge pipe;
the top of the oxygen digestion tank is also provided with a gas production port; the gas generating port is connected with the methane storage device through a hose III and a gas flowmeter;
the anaerobic digestion tank is internally provided with a stirring rod, and the stirring rod is provided with a plurality of stirring blades.
Further, the included angle between the stirring blade and the stirring rod is 30-60 degrees.
Furthermore, a temperature sensor for detecting temperature is also arranged in the anaerobic digestion tank.
Furthermore, the device is also provided with a temperature control system, wherein the temperature control system comprises a heat exchanger, a heat exchange layer arranged on the inner wall of the anaerobic digestion tank and an electromagnetic heating device arranged on the outer wall of the anaerobic digestion tank; a heat exchange medium is arranged in the heat exchange layer; the heat exchange layer heat exchangers are connected to form a heat exchange medium loop; the heat exchanger is connected with the cooling water pool to form a cooling loop; the top of the heat exchange layer is provided with a medium inlet extending out of the anaerobic digestion tank, and the bottom of the heat exchange layer is provided with a medium outlet extending out of the anaerobic digestion tank.
Furthermore, the heat exchange layer comprises an inner heat conduction steel layer, an outer heat conduction steel layer and an inner medium cavity; and pure water is stored in the medium cavity.
Furthermore, the side wall of the anaerobic digestion tank is also provided with a glass window.
The utility model has the advantages that: the utility model discloses an agitating unit in ultrasonic generator and the anaerobic digestion jar strengthens the preliminary treatment to surplus sludge, destroys the cell wall of mud to make the intracellular organic matter transfer to the liquid phase from the solid phase, accelerate anaerobic digestion's process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a temperature control system.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
As shown in the figures 1-2, for the utility model discloses a high temperature anaerobic digestion processing apparatus in preliminary treatment combination, including ultrasonic generator 1, hose one 2, peristaltic pump 3, hose two 4, sample connection 5 down, get sample connection 6, go up sample connection 7, produce gas mouth 8, hose three 9, gas flowmeter 10, marsh gas storage device 11, stirring rod 12, anaerobic digestion jar 13, temperature sensor 14, glass window 15, stirring vane 16, bottom mud pipe 17 and feed inlet 18.
The utility model is provided with a feed inlet 18 at the top of the anaerobic digestion tank 13; the feed inlet 18 is connected with an outlet of a glass container 20 through a second hose 4, a peristaltic pump 3 and a first hose 2, a material inlet is formed in the glass container 20, and a sealing plug is arranged at the material inlet; the glass container is placed in the ultrasonic generator 1.
The utility model discloses set up glass window 15 on jar body for observe jar internal portion's mud situation, jar body top-down sets gradually and goes up sample connection 7, sample connection 6 and sample connection 5 down. Go up sample connection 7 and set up on jar body upper portion, get sample connection 6 and set up in jar body middle part, lower sample connection 5 sets up in jar body lower part, and the bottom of jar body sets up the bottom mud discharging port, and bottom mud pipe 17 is connected to the bottom mud discharging port, is provided with the ooff valve on the mud pipe 17 of bottom, can release the material under the special circumstances.
The utility model is provided with a plurality of stirring blades 16 on the stirring rod 12 in the anaerobic digestion tank 13. The stirring blade 16 and the stirring rod 12 form an included angle of 30-60 degrees. The top of the stirring rod 12 extends out of the tank body and is connected with the output end of the motor 19 through a coupler, and the motor 19 is fixed on the top of the anaerobic digestion tank 13 through a motor mounting frame. Stirring vane 16 stirs the internal mud material of jar, sets up a plurality of stirring vane 16 from top to bottom on the stirring rod 12, and the interval of every stirring vane 16 and jar side wall is as little as possible for 16 oar contact material as far as possible of stirring vane.
The top of the anaerobic digestion tank 13 is also provided with an air generating port 8, the top of the biogas storage device 11 is provided with an inlet, the air generating port 8 is connected with the inlet of the biogas storage device 11 through a third hose 9, and the third hose 9 is provided with a gas flowmeter 10.
The utility model is provided with a temperature sensor 14 inside the anaerobic digestion tank 13. The device is also provided with a temperature control system, wherein the temperature control system comprises a heat exchanger 21, a heat exchange layer 22 arranged on the inner wall of the anaerobic digestion tank 13 and an electromagnetic heating device 23 arranged on the outer wall of the anaerobic digestion tank 13; the electromagnetic heating device heats the anaerobic digestion tank 13; the heat exchange layer comprises an inner heat conduction steel layer 221, an outer heat conduction steel layer 222 and an inner medium cavity 223, and pure water is stored in the medium cavity 223; the top of the heat exchange layer 22 is provided with a medium inlet 224 extending out of the anaerobic digestion tank 13, and the bottom is provided with a medium outlet 225 extending out of the anaerobic digestion tank 13; the heat exchanger 21 is provided with a medium inflow port, a medium outflow port, a cooling water inlet, and a cooling water outlet; the cooling water inlet and the cooling water outlet are connected with the cooling water pool 24 through pipelines; the medium inlet is connected with the medium outlet 225 through a conveying pipe, and the conveying pipe is provided with a switch valve, a flow control valve and a pump body; the medium outflow port is connected to the medium inlet 224. When the temperature sensor 14 detects that the temperature in the tank body is too high, the switch valve and the pump body are opened, cooling water in the heat exchange layer 22 exchanges heat through the heat exchanger 21, and the degree of heat exchange is controlled through the flow control valve.
The utility model discloses a work flow: the anaerobic digestion tank 13 of the utility model is a sealed stainless steel tank body and the volume is 10L; heating to a preset temperature by an electromagnetic heating device, controlling the temperature fluctuation range plus or minus 1 ℃ by a temperature control system, and setting the rotating speed of the stirring rod 12 to be 60r/min so that the stirring blades 16 contact the materials in the tank as much as possible; the sludge condition in the tank can be observed through the glass window 15; the gas production port 8 is connected with a gas flowmeter 10 for monitoring the methane production amount, and then is discharged into a methane storage device 11. An upper sampling port, a middle sampling port and a lower sampling port are arranged in the tank body; after the anaerobic digestion tank 13 runs stably, quantitative sludge and organic perishable garbage are mixed and then placed in a glass container, and then placed in an ultrasonic generator 1, the ultrasonic energy density is controlled to be 1.44W/mL, and the treatment is carried out for 30 min. A glass container 20 and an upper feed port 18 of the anaerobic digestion tank are connected by a hose, and a feeding operation is performed by a peristaltic pump 3. Gas production was monitored continuously and gas was collected during anaerobic digestion. Finally treating the biogas residues after anaerobic fermentation, and performing sanitary landfill or land utilization. The organic perishable garbage is finally converted into clean energy methane to be stored in the methane storage device 11.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (6)
1. A pretreatment is high temperature anaerobic digestion processing apparatus in uniting, its characterized in that: the device comprises an ultrasonic generator (1), a first hose (2), a peristaltic pump (3), a second hose (4), a lower sampling port (5), a sampling port (6), an upper sampling port (7), a gas generating port (8), a third hose (9), a gas flowmeter (10), a methane storage device (11), a stirring rod (12), an anaerobic digestion tank (13), stirring blades (16), a bottom sludge discharge pipe (17) and a feeding port (18);
a feed inlet (18) is formed in the top of the anaerobic digestion tank (13), and the feed inlet (18) is connected with the peristaltic pump (3) through a second hose (4); the peristaltic pump (3) is connected with a material outlet of the glass container (20) through a first hose (2); the glass container (20) is arranged in the ultrasonic generator (1);
the anaerobic digestion tank (13) is provided with a lower sampling port (5), a sampling port (6) and an upper sampling port (7) from top to bottom; a sludge discharge port is arranged at the bottom of the anaerobic digestion tank (13), and is connected with a bottom sludge discharge pipe (17);
the top of the oxygen digestion tank (13) is also provided with an air generating port (8); the gas generating port (8) is connected with a methane storage device (11) through a hose III (9) and a gas flowmeter (10);
a stirring rod (12) is arranged in the anaerobic digestion tank (13), and a plurality of stirring blades (16) are arranged on the stirring rod (12).
2. The pretreatment combined medium-high temperature anaerobic digestion treatment device as claimed in claim 1, wherein: the included angle between the stirring blade (16) and the stirring rod (12) is 30-60 degrees.
3. The pretreatment combined medium-high temperature anaerobic digestion treatment device as claimed in claim 1, wherein: and a temperature sensor (14) for detecting temperature is also arranged in the anaerobic digestion tank (13).
4. The pretreatment combined medium-high temperature anaerobic digestion treatment device as claimed in claim 1, wherein: the device is also provided with a temperature control system, wherein the temperature control system comprises a heat exchanger (21), a heat exchange layer (22) arranged on the inner wall of the anaerobic digestion tank (13) and an electromagnetic heating device (23) arranged on the outer wall of the anaerobic digestion tank (13); a heat exchange medium is arranged in the heat exchange layer; the heat exchange layers (22) and the heat exchangers (21) are connected to form a heat exchange medium loop; the heat exchanger is connected with the cooling water pool to form a cooling loop; the top of the heat exchange layer (22) is provided with a medium inlet (224) extending out of the anaerobic digestion tank (13), and the bottom of the heat exchange layer is provided with a medium outlet (225) extending out of the anaerobic digestion tank (13).
5. The pretreatment combined medium-high temperature anaerobic digestion treatment device according to claim 4, characterized in that: the heat exchange layer (22) comprises an inner heat conduction steel layer (221), an outer heat conduction steel layer (222) and an inner medium cavity (223); the medium cavity (223) stores pure water.
6. The pretreatment combined medium-high temperature anaerobic digestion treatment device as claimed in claim 1, wherein: the side wall of the anaerobic digestion tank (13) is also provided with a glass window (15).
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| CN201920261514.0U CN209940793U (en) | 2019-03-01 | 2019-03-01 | Pretreatment is high temperature anaerobic digestion processing apparatus in combination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115820386A (en) * | 2022-11-23 | 2023-03-21 | 东莞市巴能检测技术有限公司 | Compound preprocessing device of large-scale marsh gas engineering raw materials |
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2019
- 2019-03-01 CN CN201920261514.0U patent/CN209940793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115820386A (en) * | 2022-11-23 | 2023-03-21 | 东莞市巴能检测技术有限公司 | Compound preprocessing device of large-scale marsh gas engineering raw materials |
| CN115820386B (en) * | 2022-11-23 | 2024-05-31 | 东莞市巴能检测技术有限公司 | Large-scale marsh gas engineering raw materials combined type preprocessing device |
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