Small-volume biogas recovery device of anaerobic tower

Abstract

According to the technical scheme, the device is characterized by comprising the anaerobic tower, the anaerobic tower is provided with a water-sealed tank used for isolating a fire source, and the water-sealed tank is provided with a gas inlet and a gas outlet; the biogas tank is used for storing biogas; the biogas tank is connected with the water-sealed tank; a heating mechanism; the heating mechanism is connected with the biogas tank; an anaerobic water distribution mechanism; the anaerobic water distribution mechanism is connected with the heating mechanism; the device has the advantage of being capable of meeting the requirement for continuous combustion of small-volume biogas.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of environmental protection engineering, and particularly relates to an anaerobic tower small-gas-volume biogas recovery device. BACKGROUND

[0002] In the environmental protection engineering treatment technology, when the COD in wastewater is degraded by an anaerobic tower, a large amount of biogas and other harmful gases are generated. In the case of small gas production, the biogas with low heat value and low value is directly discharged into the atmosphere, which not only causes waste, but also causes the greenhouse effect on the environment.

[0003] Most of the prior art adopts a direct combustion method to treat the biogas, but the direct combustion method has the problem that small gas cannot meet the continuous combustion due to insufficient gas volume, and the energy of the part of the biogas is wasted, which causes waste of resources. SUMMARY

[0004] In view of the problems in the prior art, the embodiments of the present application provide an anaerobic tower small-gas-volume biogas recovery device to solve the problems in the related art, and the technical scheme is as follows.

[0005] The embodiments of the present application provide an anaerobic tower small-gas-volume biogas recovery device, which comprises: an anaerobic tower, which is provided with: a water seal tank for isolating a fire source; a biogas tank for storing biogas; the biogas tank is connected to the water seal tank; a heating mechanism; the heating mechanism is connected to the biogas tank; and an anaerobic water distribution mechanism; the anaerobic water distribution mechanism is connected to the heating mechanism.

[0006] In an embodiment, an electronic pressure gauge is arranged on the biogas tank; and a pressure switch control valve matched with the electronic pressure gauge is arranged at the connection between the heating mechanism and the biogas tank.

[0007] In an embodiment, the heating mechanism comprises: a torch and a heating tank; a biogas inlet pipe is arranged on the torch; the heating tank is arranged on the torch, and the heating tank is connected to the anaerobic water distribution mechanism; the biogas inlet pipe is connected to the biogas tank; and the pressure switch control valve is arranged on the biogas inlet pipe.

[0008] In an embodiment, an ignition switch capable of controlling the torch is arranged on the biogas inlet pipe.

[0009] In an embodiment, a hot water outlet pipe is arranged on the heating tank; and the hot water outlet pipe is connected to the anaerobic water distribution mechanism.

[0010] In an embodiment, a cold water inlet pipe for water replenishment is further arranged on the heating tank.

[0011] In one embodiment, a local control box is further arranged on the anaerobic tower; the local control box is connected with the electronic pressure gauge.

[0012] The advantages or beneficial effects of the above technical solutions at least include:

[0013] The biogas storage device of the application can transport the biogas from the biogas tank to the heating mechanism for combustion and heating when the biogas reaches a certain amount, the hot water generated by heating in the heating mechanism flows into the anaerobic water distribution mechanism to be recycled, thereby achieving the recycling effect of small amount of biogas.

[0014] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments, and features, further aspects, embodiments, and features of the application will be readily apparent from a study of the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0015] In the drawings, like reference numerals refer to same or similar functionalities throughout the several views. The drawings are not necessarily to scale. It is to be understood that the drawings only depict certain embodiments of the disclosure and should not be considered to be limiting of its scope.

[0016] Figure 1 is a structural schematic view of the utility model;

[0017] Figure 2 is Figure 1 an enlarged schematic view.

[0018] In the drawings: 1, anaerobic tower; 2, water seal tank; 3, biogas tank; 4, heating mechanism; 41, flare; 42, heating tank; 43, biogas inlet pipe; 5, anaerobic water distribution mechanism; 61, electronic pressure gauge; 62, pressure switch control valve; 7, ignition switch; 81, hot water outlet pipe; 82, cold water inlet pipe; 9, local control box. DETAILED DESCRIPTION

[0019] In the following, for the purpose of making the purpose, features and advantages of the utility model more obvious and easy to understand, only some exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0020] The utility model will be described in detail below in combination with the drawings and embodiments.

[0021] As Figure 1 and Figure 2The utility model provides a kind of small gas biogas recovery device of anaerobic tower, comprising: anaerobic tower 1, be provided with on the anaerobic tower 1: water seal tank 2, for isolating fire source;Biogas tank 3, for storing biogas;The biogas tank 3 connects the water seal tank 2;Heating mechanism 4;The heating mechanism 4 connects the biogas tank 3;Anaerobic water distribution mechanism 5;The anaerobic water distribution mechanism 5 connects the heating mechanism 4.

[0022] In the embodiment, biogas enters water seal tank 2 from anaerobic tower 1, and water seal tank 2 can isolate fire source to ensure the safety of biogas use;Biogas can be stored after entering biogas tank 3 from water seal tank 2;When the biogas in biogas tank 3 is stored to a certain amount (small gas), biogas can enter heating mechanism 4, heating mechanism 4 burns biogas to heat, and hot water generated in heating mechanism 4 can flow into anaerobic water distribution mechanism 5, thereby achieving the effect of recycling biogas.

[0023] The device is theoretically calculated, and the heat value generated by hot water in anaerobic water distribution mechanism 5 can make the water temperature of anaerobic tower 1 rise by about 3℃ when the COD of the inlet water reaches 10000 mg / L, and the temperature rise can accelerate the speed of removing pollutants in anaerobic tower 1, reduce the pollutant load of subsequent units, and has obvious significance for reaching the standard of outlet water, and can also minimize the impact of biogas on the environment.

[0024] Further, an electronic pressure gauge 61 is arranged on the biogas tank 3, and a pressure switch control valve 62 adapted to the electronic pressure gauge 61 is arranged at the connection between the heating mechanism 4 and the biogas tank 3.

[0025] In the embodiment, when the biogas in biogas tank 3 is stored to a certain amount (small gas), the pressure in biogas tank 3 increases and triggers the signal of electronic pressure gauge 61, electronic pressure gauge 61 sends a working signal to pressure switch control valve 62, biogas can enter heating mechanism 4 after pressure switch control valve 62 is started, heating mechanism 4 burns biogas to heat, and hot water generated in heating mechanism 4 can flow into anaerobic water distribution mechanism 5, thereby achieving the effect of recycling biogas.

[0026] Further, the heating mechanism 4 comprises: a torch 41 and a heating tank 42;A biogas inlet pipe 43 is arranged on the torch 41;The heating tank 42 is arranged on the torch 41, and the heating tank 42 is connected to the anaerobic water distribution mechanism 5;The biogas inlet pipe 43 is connected to the biogas tank 3;The pressure switch control valve 62 is arranged on the biogas inlet pipe 43.

[0027] In the embodiment, the heating tank 42 is arranged on the torch 41, and the heating tank 42 is connected to the anaerobic water distribution mechanism 5, and the heating tank 42 stores cold water; when the biogas enters the torch 41, the torch 41 can be ignited to burn the biogas, so as to heat the cold water in the heating tank 42, and the heated hot water can flow into the anaerobic water distribution mechanism 5, thereby achieving the recycling effect of the biogas.

[0028] Further, the ignition switch 7 for controlling the torch 41 is arranged on the biogas inlet pipe 43.

[0029] In the embodiment, the ignition switch 7 is arranged on the biogas inlet pipe 43, and when the biogas enters the torch 41, the ignition switch 7 can start ignition, so that the torch 41 burns the biogas flowing into the biogas inlet pipe 43.

[0030] Further, the hot water outlet pipe 81 is arranged on the heating tank 42, and the hot water outlet pipe 81 is connected to the anaerobic water distribution mechanism 5. The cold water inlet pipe 82 for water replenishment is further arranged on the heating tank 42.

[0031] The working principle of the device is as follows:

[0032] ①When the biogas in the biogas tank 3 is stored to a certain amount (small gas amount), the pressure in the biogas tank 3 increases and triggers the signal of the electronic pressure gauge 61, and the electronic pressure gauge 61 sends a working signal to the pressure switch control valve 62, and after the pressure switch control valve 62 is started, the biogas enters the torch 41, the torch 41 is ignited to burn the biogas to heat the heating tank 42, and after heating, the hot water in the heating tank 42 can flow into the anaerobic water distribution mechanism 5 through the hot water outlet pipe 81, and the heating tank 42 is subsequently replenished by the cold water inlet pipe 82;

[0033] ②After the small gas amount biogas is burned, the biogas in the biogas tank 3 is reduced, and the electronic pressure gauge 61 is lowered to the set value, at which time the switch control valve 62 and the torch 41 are closed, the biogas supply is stopped, and the heating mechanism 4 stops working, and when the biogas is stored to a certain amount, the next cycle process is continued, thereby achieving the recycling effect of the small gas amount biogas.

[0034] Further, the local control box 9 is further arranged on the anaerobic tower 1, and the local control box 9 is connected to the electronic pressure gauge 61.

[0035] In the embodiment, the local control box 9 is connected to the electronic pressure gauge 61, and the trigger signal pressure value of the electronic pressure gauge 61 can be adjusted and set through the local control box 9, thereby achieving the adjustment effect of the biogas amount stored in the biogas tank 3.

[0036] The utility model discloses an anaerobic tower small gas quantity marsh gas recovery device, the function of each module in each device of embodiment can see the corresponding description in the above -mentioned method, has the advantage that can satisfy small gas quantity marsh gas sustained combustion.

[0037] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the above-mentioned terms in the utility model can be understood according to the specific meaning. The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly include one or more features.

[0038] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature in the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature in the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature in the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. The terms "vertical", "horizontal", "left", "right", "up", "down" and similar expressions are only for the purpose of description, and are not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model.

[0039] The above is only the specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A small-volume biogas recovery device using an anaerobic tower, comprising an anaerobic tower, characterized in that, The anaerobic tower is equipped with: Water seal tanks are used to isolate fire sources; A biogas tank for storing biogas; the biogas tank is connected to the water seal tank; Heating mechanism; the heating mechanism is connected to the biogas tank; Anaerobic water distribution mechanism; the anaerobic water distribution mechanism is connected to the heating mechanism.

2. The anaerobic tower small-volume biogas recovery device according to claim 1, characterized in that, An electronic pressure gauge is installed on the biogas tank; a pressure switch control valve adapted to the electronic pressure gauge is installed at the connection between the heating mechanism and the biogas tank.

3. The anaerobic tower small-volume biogas recovery device according to claim 2, characterized in that, The heating mechanism includes: a flare and a heating tank; a biogas inlet pipe is provided on the flare; the heating tank is provided on the flare and is connected to the anaerobic water distribution mechanism; the biogas inlet pipe is connected to the biogas tank; and the pressure switch control valve is provided on the biogas inlet pipe.

4. The anaerobic tower small-volume biogas recovery device according to claim 3, characterized in that, An ignition switch for controlling the torch is installed on the biogas inlet pipe.

5. The anaerobic tower small-volume biogas recovery device according to claim 3, characterized in that, A hot water outlet pipe is provided on the heating tank; the hot water outlet pipe is connected to the anaerobic water distribution mechanism.

6. The anaerobic tower small-volume biogas recovery device according to claim 3, characterized in that, The heating tank is also equipped with a cold water inlet pipe for replenishing water.

7. The anaerobic tower small-volume biogas recovery device according to any one of claims 2-6, characterized in that, A local control box is also installed on the anaerobic tower; the local control box is connected to the electronic pressure gauge.

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