Biogas biological desulfurization device

Abstract

The utility model belongs to the technical field of methane desulfurization, and particularly relates to a biological desulfurization device for methane, which comprises a first spray tower, a second spray tower arranged on one side of the first spray tower, a biochemical tower arranged on one side of the second spray tower, a settling tower arranged on one side of the biochemical tower, and a second spray tower arranged on one side of the settling tower. A heat exchange assembly is arranged on one side of the biochemical tower; the separate spraying assembly comprises a first spraying pipe and a second spraying pipe; the first spraying pipe is detachably mounted in the first spraying tower; the second spraying pipe is detachably mounted in the second spraying tower; according to the utility model, through the arrangement of the separate spraying component and the accommodating component, biogas can be effectively and quickly contacted with water to form a solution, so that the contact reaction speed of the biogas and the spraying liquid is increased, the pollution to the environment is reduced, the corrosion to equipment is reduced, and the desulfurized biogas is further utilized by a biogas generator to generate electric energy; energy is saved, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the biogas desulfurization technical field, concretely relates to a biogas biological desulfurization device. BACKGROUND

[0002] The biogas produced in the anaerobic system of sewage treatment is renewable resources, and is paid more and more attention by all circles, and the comprehensive utilization of the biogas biological desulfurization device can not only save energy but also improve and protect the environment.

[0003] However, the existing biogas biological desulfurization device is generally contacted by the spray tower between the biogas and the spray liquid in actual use, but the spray liquid is difficult to be effectively atomized and sprayed when being sprayed in the spray tower, so that the spray liquid is repeatedly sprayed to make the biogas contact with the spray liquid, the contact efficiency of the biogas and the spray liquid is slow, and the equipment is easily corroded, thereby the practicability of the device is reduced.

[0004] To solve the above problems, a biogas biological desulfurization device is provided in the application. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the utility model provides a biogas biological desulfurization device, which has the characteristics of reducing corrosion of the equipment.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A biogas biological desulfurization device, comprising:

[0008] A first spray tower, a second spray tower is arranged on one side of the first spray tower, a biochemical tower is arranged on one side of the second spray tower, a sedimentation tower is arranged on one side of the biochemical tower, a heat exchange assembly is arranged on one side of the biochemical tower, a mixing assembly is arranged on the end of the biochemical tower away from the sedimentation tower, and a pipeline is connected between the first spray tower and the biochemical tower, and an output pump is installed on the pipeline.

[0009] A spray and spray assembly, which comprises a first spray pipe detachably installed in the first spray tower and a second spray pipe detachably installed in the second spray tower.

[0010] As a preferred biogas biological desulfurization device of the utility model, a containing assembly is arranged on one side of the first spray tower, the containing assembly comprises a water storage tank installed on one side of the first spray tower, and the first spray pipe is connected with the water storage tank, and the atomizing nozzle arranged can quickly spray the spray liquid.

[0011] The utility model discloses a biological method desulfurization device of marsh gas preferably, be provided with auxiliary connecting assembly between second spray pipe and first spray pipe, the auxiliary connecting assembly includes the communication pipe of detachable installation between second spray pipe and first spray pipe, and the bottom of second spray pipe and first spray pipe is provided with atomizing nozzle, and the both ends of communication pipe are respectively through first spray tower and second spray tower and are connected with second spray pipe and first spray pipe.

[0012] The utility model discloses a biological method desulfurization device of marsh gas preferably, the heat exchange component includes the heat exchanger of installation in biochemical tower one side, and the pipeline is connected between first spray tower and heat exchanger, and the pipeline is connected between heat exchanger and biochemical tower.

[0013] The utility model discloses a biological method desulfurization device of marsh gas preferably, the mixing component includes the soft water tank, nutrient salt jar and alkali jar of installation in biochemical tower away from the sedimentation tower one end, and the nutrient salt jar is between soft water tank and alkali jar, and the pipeline is connected between biochemical tower and soft water tank, nutrient salt jar and alkali jar, and the output pump is installed on the pipeline between soft water tank and biochemical tower, and the pipeline is connected between nutrient salt jar and alkali jar, and the output pump is installed on the pipeline between nutrient salt jar and alkali jar.

[0014] The utility model discloses a biological method desulfurization device of marsh gas preferably, be provided with sensing assembly on biochemical tower, and the sensing assembly includes the sensor of detachable installation on biochemical tower.

[0015] The utility model discloses a biological method desulfurization device of marsh gas preferably, be provided with detecting assembly on biochemical tower, and the detecting assembly includes the PH value detector of detachable installation on biochemical tower, and the PH value detector is located one side of sensor.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1, the utility model discloses a biological method desulfurization device of marsh gas preferably, be provided with sensing assembly on biochemical tower, and the sensing assembly includes the sensor of detachable installation on biochemical tower.

[0018] 2, the utility model discloses a biological method desulfurization device of marsh gas preferably, be provided with detecting assembly on biochemical tower, and the detecting assembly includes the PH value detector of detachable installation on biochemical tower. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, which are used together with embodiments of the present application to explain the present application and do not constitute a limitation to the present application. In the drawings:

[0020] Figure 1 It is a structural schematic view of the present application;

[0021] Figure 2 It is a partial sectional view of the present application Figure 1 ;

[0022] Figure 3 It is a structural schematic view of the separate spraying assembly of the present application;

[0023] In the drawings: 1, first spraying tower; 2, second spraying tower; 3, heat exchanger; 4, biochemical tower; 5, sedimentation tower; 6, soft water tank; 7, nutrient salt tank; 8, alkali tank; 9, separate spraying assembly; 91, water storage tank; 92, first spraying pipe; 93, second spraying pipe; 10, communication pipe; 11, sensor; 12, PH value detector. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The present application provides a biological method desulfurization device for biogas as shown in Figure 1 and Figure 2 , which comprises: a first spraying tower 1, a second spraying tower 2 arranged on one side of the first spraying tower 1, a biochemical tower 4 arranged on one side of the second spraying tower 2, a sedimentation tower 5 arranged on one side of the biochemical tower 4, a heat exchange assembly arranged on one side of the biochemical tower 4, and a mixing assembly arranged at an end of the biochemical tower 4 away from the sedimentation tower 5; the heat exchange assembly comprises a heat exchanger 3 installed on one side of the biochemical tower 4; the mixing assembly comprises a soft water tank 6, a nutrient salt tank 7 and an alkali tank 8 installed at an end of the biochemical tower 4 away from the sedimentation tower 5, and the nutrient salt tank 7 is arranged between the soft water tank 6 and the alkali tank 8; a sensing assembly is arranged on the biochemical tower 4, and the sensing assembly comprises a sensor 11 detachably installed on the biochemical tower 4.

[0026] From the above, in use, first, the biogas is placed into the first spray tower 1 and the second spray tower 2, then the biogas is countercurrently contacted with the spray liquid in the first spray tower 1 and the second spray tower 2, H2S is absorbed by the spray liquid, the gas is discharged from the top of the first spray tower 1 and the second spray tower 2, then the biogas after the contact is sent to the use unit through the pipeline, then the heat exchanger 3 and the liquid phase of the biochemical tower 4 contain sulfur bacteria, under the action of the sulfur bacteria, the sulfide in the biogas is converted into elemental sulfur, then the biogas is precipitated by using the precipitation tower 5, then the soft water tank 6 plays a water supplementing role, the nutrient salt tank 7 supplies a certain amount of nutrient salt in the biochemical tower 4 to maintain the survival of microorganisms, then the neutralization is carried out by using the alkali tank 8.

[0027] Further, the biochemical tower 4 is provided with a detection assembly, the detection assembly comprises a detachable PH value detector 12 installed on the biochemical tower 4, and the PH value detector 12 is located on one side of the sensor 11; the sensor 11 adopts a temperature sensor commonly seen in the market at present, so as to facilitate detection of the temperature in the biochemical tower 4, and the PH value detector 12 can quickly detect the pH value in the biochemical tower 4, so as to facilitate the pH value in the biochemical tower 4 to be always kept at a suitable position, thereby reducing the cost.

[0028] Reference Figures 1-3 As shown in the figure, the spray assembly 9 comprises a first spray pipe 92 detachably installed in the first spray tower 1 and a second spray pipe 93 detachably installed in the second spray tower 2; one side of the first spray tower 1 is provided with a containing assembly, the containing assembly comprises a water storage tank 91 installed on one side of the first spray tower 1, and the first spray pipe 92 is connected with the water storage tank 91.

[0029] Through the above technical solution:

[0030] In use, the liquid in the water storage tank 91 is first pumped by the water pump to the inside of the second spray pipe 93 and the first spray pipe 92, and then sprayed out through the atomizing nozzles at the bottom of the second spray pipe 93 and the first spray pipe 92, so that the biogas is quickly countercurrently contacted with the spray liquid, so that H2S quickly absorbs the spray liquid, so as to improve the desulfurization efficiency of the biochemical tower 4.

[0031] In addition, as shown in the figure, Figures 1-3 The second spray pipe 93 and the first spray pipe 92 are provided with an auxiliary connecting assembly, the auxiliary connecting assembly comprises a communication pipe 10 detachably installed between the second spray pipe 93 and the first spray pipe 92.

[0032] Through the above technical solution:

[0033] In use, the communication pipe 10 is installed between the second spray pipe 93 and the first spray pipe 92 to realize quick connection of the second spray pipe 93 and the first spray pipe 92, so that when the first spray pipe 92 sprays the spray liquid to the inside of the first spray tower 1, the second spray pipe 93 also sprays the spray liquid, realizing simultaneous spraying of the second spray pipe 93 and the first spray pipe 92, greatly improving the contact speed of the biogas and the spray liquid, thereby improving the desulfurization processing speed of the biochemical tower 4.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A biogas biological desulfurization device, characterized in that: include: A first spray tower (1), wherein a second spray tower (2) is provided on one side of the first spray tower (1), a biochemical tower (4) is provided on one side of the second spray tower (2), a sedimentation tower (5) is provided on one side of the biochemical tower (4), a heat exchange component is provided on one side of the biochemical tower (4), and a mixing component is provided on one end of the biochemical tower (4) away from the sedimentation tower (5); A split spray assembly (9), the split spray assembly (9) includes a first spray pipe (92) detachably mounted inside the first spray tower (1) and a second spray pipe (93) detachably mounted inside the second spray tower (2); an auxiliary connection assembly is provided between the second spray pipe (93) and the first spray pipe (92), the auxiliary connection assembly includes a connecting pipe (10) detachably mounted between the second spray pipe (93) and the first spray pipe (92); and atomizing nozzles are provided at the bottoms of the second spray pipe and the first spray pipe, and both ends of the connecting pipe pass through the first spray tower and the second spray tower respectively and are connected to the second spray pipe and the first spray pipe.

2. The biogas biological desulfurization device according to claim 1, characterized in that: A receiving assembly is provided on one side of the first spray tower (1), the receiving assembly comprising a water storage tank (91) installed on one side of the first spray tower (1), and the first spray pipe (92) is connected to the water storage tank (91).

3. The biogas biological desulfurization device according to claim 1, characterized in that: The heat exchange assembly comprises a heat exchanger (3) installed on one side of the biochemical tower (4).

4. The biogas biological desulfurization device according to claim 1, characterized in that: The mixing assembly comprises a soft water tank (6), a nutrient salt tank (7) and an alkali tank (8) which are installed at one end of the biochemical tower (4) away from the sedimentation tower (5), and the nutrient salt tank (7) is located between the soft water tank (6) and the alkali tank (8).

5. The biogas biological desulfurization device according to claim 1, characterized in that: The biochemical tower (4) is provided with a sensor assembly, which comprises a detachable sensor (11) mounted on the biochemical tower (4).

6. The biogas biological desulfurization device according to claim 5, characterized in that: The biochemical tower (4) is provided with a detection component, which includes a pH value detector (12) detachably mounted on the biochemical tower (4), and the pH value detector (12) is located on one side of the sensor (11).

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