CN215560255U - Methane tank - Google Patents

Methane tank Download PDF

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Publication number
CN215560255U
CN215560255U CN202120459988.3U CN202120459988U CN215560255U CN 215560255 U CN215560255 U CN 215560255U CN 202120459988 U CN202120459988 U CN 202120459988U CN 215560255 U CN215560255 U CN 215560255U
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CN
China
Prior art keywords
tank
biogas
bag
feeding
methane
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Expired - Fee Related
Application number
CN202120459988.3U
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Chinese (zh)
Inventor
方志荣
赵仕琦
陆冠恒
刘辉
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Guangdong Ocean University
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Guangdong Ocean University
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Priority to CN202120459988.3U priority Critical patent/CN215560255U/en
Application granted granted Critical
Publication of CN215560255U publication Critical patent/CN215560255U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a methane tank, which comprises a reaction tank, wherein one side of the reaction tank is connected with a feeding tank, the other side of the reaction tank is connected with a waste tank, a methane bag is connected in the reaction tank, the methane bag is a soft bag, the lower part of the feeding tank is provided with a feeding hole, the feeding hole is inclined downwards, the lower part of the waste tank is provided with a discharging hole, the feeding hole and the discharging hole are both communicated with the methane bag, the upper part of the methane bag is provided with an air outlet, and the air outlet is connected with an air guide pipe. The methane tank has simple structure and is convenient to install and maintain; and the feeding is facilitated, and the feeding efficiency is improved.

Description

Methane tank
Technical Field
The utility model relates to the technical field of methane utilization, in particular to a methane tank.
Background
The water hyacinth which is an alien invasive species has rapid reproductive capacity, can grow from 10 to more than 50 ten thousand in 8 months, and can cause other aquatic animals to obtain enough oxygen to cause ecological damage if covering the whole water surface. In order to solve the problems, the existing treatment method is to salvage and burn the water hyacinth and feed the water hyacinth as pig feed for pigs, but the method cannot really utilize the biomass energy in the water hyacinth; the other method is to utilize the water hyacinth to carry out anaerobic fermentation to prepare the biogas, thereby directly providing heat energy for people, the biogas is used as a renewable clean energy source, and the utilization of the biogas can reduce the influence of waste on the environment, thereby achieving the purpose of protecting the environment.
The anaerobic fermentation of the water hyacinth is carried out in the methane tank to prepare the methane, but the existing methane tank has complex structure and inconvenient feeding and can not meet the use requirement.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the problems of complicated structure and inconvenient feeding of the methane tank in the prior art.
In order to solve the technical problem, the utility model provides a methane tank which comprises a reaction tank, wherein one side of the reaction tank is connected with a feeding tank, the other side of the reaction tank is connected with a waste material tank, a methane bag is connected in the reaction tank, the methane bag is a soft bag, a feeding hole is formed in the lower portion of the feeding tank, the feeding hole is inclined downwards, a discharging hole is formed in the lower portion of the waste material tank, the feeding hole and the discharging hole are both communicated with the methane bag, an air outlet is formed in the upper portion of the methane bag, and an air guide pipe is connected to the air outlet.
In one embodiment of the utility model, the gas-liquid separator is connected with the gas-liquid separator.
In one embodiment of the utility model, the height of the feed inlet is greater than the height of the discharge outlet.
In one embodiment of the utility model, the height of the discharge port is greater than the height of the bottom of the waste tank.
In one embodiment of the utility model, the distance between the discharge port and the bottom of the waste material tank is 10-15 mm.
In one embodiment of the utility model, an explosion-proof net is detachably connected to the reaction tank, an accommodating space is formed between the explosion-proof net and the reaction tank, and the biogas bag is located in the accommodating space.
In one embodiment of the utility model, the upper part of the waste tank is arranged at the scum outlet.
In one embodiment of the utility model, the biogas bag is connected with a pressure sensor.
In one embodiment of the utility model, the feed opening is flared.
In one embodiment of the utility model, the feed inlet and the discharge outlet are both communicated with the biogas bag through PVC pipes.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the methane tank is simple in structure and convenient to install and maintain; more do benefit to the feeding, promoted feeding efficiency.
Drawings
In order that the present disclosure may be more readily and clearly understood, the following detailed description of the present disclosure is provided in connection with specific embodiments thereof and the accompanying drawings, in which,
FIG. 1 is a block diagram of one embodiment of a biogas digester according to the utility model;
the specification reference numbers indicate: 1. the device comprises a reaction tank, 2, a feeding tank, 21, a feeding port, 3, a waste material tank, 31, a discharging port, 4, a methane bag, 5, an air guide pipe, 6, an air valve, 7 and a gas-liquid separator.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, the embodiment discloses a methane tank, which comprises a reaction tank 1, wherein one side of the reaction tank 1 is connected with a feeding tank 2, the other side of the reaction tank 1 is connected with a waste tank 3, a methane bag 4 is connected in the reaction tank 1, the methane bag 4 is a soft bag, a feeding port 21 is arranged at the lower part of the feeding tank 2, the feeding port 21 is arranged in a downward inclined manner, a discharging port 31 is arranged at the lower part of the waste tank 3, the feeding port 21 and the discharging port 31 are both communicated with the methane bag 4, an air outlet is arranged at the upper part of the methane bag 4, and an air guide pipe 5 is connected at the air outlet.
Wherein, the anaerobic fermentation reaction for generating the marsh gas is carried out in the marsh gas bag 4, the marsh gas generated in the marsh gas bag 4 finally enters the gas guide tube 5 through the top gas outlet and is conveyed to the marsh gas appliance by the gas guide tube 5.
According to the methane tank structure, the closed integrated methane bag 4 is used as a container for anaerobic reaction, the structure is simple, the installation is convenient, and the anaerobic reaction is more favorably carried out.
Feed inlet 21 is the downward sloping setting, is more convenient for promote feed efficiency and speed.
The material outlet 31 and the material inlet 21 are not arranged on the same side, so that not only can the reacted materials be discharged in time, but also new materials can be reserved in the biogas bag 4, and the internal reaction of the biogas bag 4 can be carried out fully.
In one embodiment, the gas-guide tube 5 is connected with a gas valve 6 and a gas-liquid separator 7, the gas valve 6 is used for controlling the on-off of the gas-guide tube 5, and the gas-liquid separator 7 is used for separating liquid in the methane.
In one embodiment, the height of the feeding port 21 is greater than that of the discharging port 31, so as to facilitate feeding, and simultaneously, a certain amount of new materials can be retained inside the biogas bag 4, so as to facilitate the full implementation of anaerobic fermentation.
In one embodiment, the height of the discharge port 31 is greater than the height of the bottom of the waste material tank 3, so that the discharge port 31 is kept at a certain distance from the bottom of the waste material tank 3, thereby avoiding discharging waste materials generated in the biogas bag 4 at one time, reducing corresponding anaerobic bacteria and causing excessive damage to the reaction environment.
Further, the distance between the discharge port 31 and the bottom of the waste tank 3 is 10-15 mm.
In one embodiment, the upper part of the reaction tank 1 is detachably connected with an explosion-proof net, an accommodating space is formed between the explosion-proof net and the reaction tank 1, and the biogas bag 4 is positioned in the accommodating space.
Further, the inner wall of the reaction tank 1 is connected with a hook, and an explosion-proof net is hooked on the hook.
In one embodiment, the upper part of the waste tank 3 is arranged at a scum outlet (not shown in the figures). If scum is generated in the waste material introduced into the waste material tank 3 through the discharge port 21, the scum can be discharged through a scum outlet.
In one embodiment, the biogas bag 4 is connected with a pressure sensor to detect the internal pressure of the biogas bag 4 in real time, so as to facilitate timely judgment of the biogas generation condition inside the biogas bag 4.
In one embodiment, the feed inlet 21 is flared to improve feed efficiency.
In one embodiment, the inlet 21 is connected to the biogas bag 4 through a PVC pipe, and the outlet 31 is connected to the biogas bag 4 through another PVC pipe. Among them, the PVC (polyvinyl chloride) pipe has good heat resistance, toughness and ductility. When the feed port 21 is connected with the biogas bag 4, one end of one PVC pipe is connected with the biogas bag 4, the other end of the PVC pipe is inserted into the feed port 21 and sealed by cement, when the discharge port 31 is connected with the biogas bag 4, one end of the other PVC pipe is connected with the biogas bag 4, and the other end of the other PVC pipe is inserted into the discharge port 31 and sealed by cement.
In one embodiment, a filter screen is connected to the gas outlet to filter out some impurities in the biogas.
In one embodiment, the aperture of the inlet 21 is larger than the aperture of the outlet 31, for example, the aperture of the inlet 21 is 35mm, and the aperture of the outlet 31 is 20 mm.
In one embodiment, the reaction tank 1, the feed tank 2 and the waste tank 3 are all constructed of concrete.
In one embodiment, a plurality of biogas bags 4 can be connected to the reaction tank. For example, the system is designed to produce 11 methane per day, and the methane production generally accounts for 20% of the methane tank, i.e. the volume of the methane tank 55, so that 5 10 methane bags (3700 mm long by 1800mm wide by 1500mm high) and 1 5.805 methane bag (2150 mm long by 1800mm wide by 1500mm high) can be used together.
The use method of the methane tank in the embodiment comprises the following steps: raw materials for generating biogas, such as water hyacinth, pig manure, straw and the like, are pretreated and then placed in the feeding tank 2, and enter the biogas bag 4 from the feeding port 21, so that anaerobic fermentation reaction is generated inside the biogas bag 4 to generate biogas, the biogas is finally output by the gas guide pipe 5 for use, and in addition, waste materials (biogas slurry and biogas residues) generated after anaerobic fermentation reaction inside the biogas bag 4 enter the waste material tank 3 through the discharging port 31. And in the process of generating anaerobic fermentation reaction inside the biogas bag 4, a biogas layer, a clear water layer, a biogas liquid layer and a biogas residue layer are formed from top to bottom.
The methane tank of the embodiment has simple structure and is convenient to install and maintain; the feeding is facilitated, and the feeding efficiency is improved; and is more beneficial to the full progress of the anaerobic fermentation reaction.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims (10)

1. A methane tank is characterized in that: the biogas bag type waste gas treatment device comprises a reaction tank, wherein a feeding tank is connected to one side of the reaction tank, a waste material tank is connected to the other side of the reaction tank, a biogas bag is connected in the reaction tank, the biogas bag is a soft bag, a feeding port is arranged at the lower part of the feeding tank, the feeding port is inclined downwards, a discharging port is arranged at the lower part of the waste material tank, the feeding port and the discharging port are communicated with the biogas bag, a gas outlet is arranged at the upper part of the biogas bag, and a gas guide pipe is connected to the gas outlet.
2. The biogas digester as claimed in claim 1, wherein: the gas-guide tube is connected with a gas valve and a gas-liquid separator.
3. The biogas digester as claimed in claim 1, wherein: the height of the feed inlet is greater than that of the discharge outlet.
4. The biogas digester as claimed in claim 1, wherein: the height of the discharge port is greater than that of the bottom of the waste material tank.
5. The biogas digester as claimed in claim 4, wherein: the distance between the discharge port and the bottom of the waste material tank is 10-15 mm.
6. The biogas digester as claimed in claim 1, wherein: the reaction tank is detachably connected with an explosion-proof net, an accommodating space is formed between the explosion-proof net and the reaction tank, and the methane bag is located in the accommodating space.
7. The biogas digester as claimed in claim 1, wherein: the upper part of the waste material tank is arranged at the scum outlet.
8. The biogas digester as claimed in claim 1, wherein: the biogas bag is connected with a pressure sensor.
9. The biogas digester as claimed in claim 1, wherein: the feed inlet is trumpet-shaped.
10. The biogas digester as claimed in claim 1, wherein: the feed inlet and the discharge outlet are communicated with the biogas bag through PVC pipes.
CN202120459988.3U 2021-03-03 2021-03-03 Methane tank Expired - Fee Related CN215560255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120459988.3U CN215560255U (en) 2021-03-03 2021-03-03 Methane tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120459988.3U CN215560255U (en) 2021-03-03 2021-03-03 Methane tank

Publications (1)

Publication Number Publication Date
CN215560255U true CN215560255U (en) 2022-01-18

Family

ID=79838847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120459988.3U Expired - Fee Related CN215560255U (en) 2021-03-03 2021-03-03 Methane tank

Country Status (1)

Country Link
CN (1) CN215560255U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220118

CF01 Termination of patent right due to non-payment of annual fee