Production system of multi-enzyme enzyme organic fertilizer

Abstract

The utility model discloses a production system of a multi-enzyme enzyme organic fertilizer, which is characterized in that a biogas digester is connected with a sedimentation tank, the sedimentation tank is connected with an ultraviolet sterilizer through a pipeline, the ultraviolet sterilizer is connected with a fermentation system through a first filter, the fermentation system is connected with a homogenizer through a pipeline, and the homogenizer is connected with a mixing system; and the mixing system is connected with the product storage tank through a pipeline. According to the utility model, the resource utilization of the biogas slurry is realized, the utilization cost of the biogas slurry is reduced, the negative influence of direct utilization of the biogas slurry on soil, underground water and atmospheric environment is reduced, and the system is suitable for high-value utilization of the biogas slurry.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of organic fertilizer production, specifically relates to a kind of production system of multiple-enzyme enzyme organic fertilizer. BACKGROUND

[0002] Chinese patent CN213388408U discloses a kind of multiple-enzyme series fertilizer production system, including feed pipe, mixing box, support frame, mixing motor, drive belt wheel, transmission belt, electromagnetic control valve, control console etc., it controls the opening and closing state of electromagnetic control valve by control console, controls the feeding state of feed pipe by electromagnetic control valve, replenishes the raw materials needing mixing in mixing box by feed pipe, controls the feeding time of feed pipe by the opening and closing of electromagnetic control valve, to control the quantity of feeding, can effectively control the quantity of mixed raw materials, facilitate the production management of fertilizer.

[0003] Chinese patent CN107400026A discloses a kind of multiple-enzyme series fertilizer and preparation method and vacuum fermentation device thereof, the vacuum fermentation device includes vacuum fermentation tank, motor, vacuum pump, feed barrel, crushing auger and stirring shaft etc., it can speed up the loading speed of fertilizer, promote the fermentation of internal fertilizer, avoid the damage and loss of heat unstable component, better preserve the nutrient components of raw materials.

[0004] But the existing device is only suitable for straw fermented organic fertilizer or enzyme-containing fertilizer production, and cannot be applied to biogas slurry production of organic fertilizer. Anaerobic fermentation technology represented by biogas engineering is an environment-friendly technology that can dispose of organic waste and alleviate energy shortage, and is increasingly widely used. However, with the large-scale development of anaerobic fermentation engineering, the amount of fermentation residues such as biogas slurry and biogas residue has increased significantly, and how to properly dispose of fermentation residues has become a bottleneck problem limiting the development of anaerobic fermentation technology. At present, the application of biogas slurry in agriculture, forestry, animal husbandry and fishery mainly includes biogas slurry fertilizer, biogas slurry seed soaking, biogas slurry biological pesticide, biogas slurry feed additive and biogas slurry soilless culture nutrient solution, etc., and has wide application prospect. Therefore, there is an urgent need for a device that can utilize biogas slurry and resourcefully process it to produce high-value organic fertilizer. SUMMARY

[0005] To solve the above technical problems, the utility model provides a kind of production system of multiple-enzyme enzyme organic fertilizer, realizes the resource utilization of biogas slurry, reduces the utilization cost of biogas slurry and reduces the negative influence caused by direct utilization of biogas slurry to soil, underground water and atmospheric environment.

[0006] In order to achieve the above object, the utility model provides a kind of production system of multi-enzyme enzyme organic fertilizer, biogas tank is connected with sedimentation tank, sedimentation tank is connected with ultraviolet sterilizer pipeline, ultraviolet sterilizer is connected with fermentation system by first filter, fermentation system is connected with homogenizer pipeline by second filter, homogenizer is connected with mixing system, mixing system is connected with product storage tank pipeline.

[0007] Preferably, the discharge port of the biogas tank is connected with the sedimentation tank pipeline.

[0008] Preferably, the fermentation system is composed of a first fermentation tank group and a second fermentation tank group; the first fermentation tank is composed of a first fermentation tank, a second fermentation tank and a third fermentation tank in series; the second fermentation tank group is composed of a fourth fermentation tank, a fifth fermentation tank and a sixth fermentation tank in series.

[0009] Further preferably, the first fermentation tank is connected with the raw material tank pipeline; the fourth fermentation tank is connected with the raw material tank pipeline.

[0010] Preferably, the sedimentation tank is connected with the liquid inlet of the ultraviolet sterilizer pipeline, and the liquid outlet of the ultraviolet sterilizer is connected with the first filter pipeline.

[0011] Further preferably, a first control valve is arranged on the pipeline connecting the sedimentation tank with the liquid inlet; a third control valve is arranged on the pipeline connecting the liquid outlet with the first filter.

[0012] Preferably, the sedimentation tank is connected with the first filter pipeline.

[0013] Further preferably, a second control valve is arranged on the pipeline connecting the sedimentation tank with the first filter.

[0014] Preferably, a fourth control valve is arranged on the pipeline connecting the fermentation system with the second filter.

[0015] The beneficial effects of the present application are as follows:

[0016] 1. The waste - biogas slurry in biogas engineering is utilized, and a biogas slurry fermentation and reuse system including a sedimentation tank, an ultraviolet sterilizer, a fermentation system, a homogenizer and a mixing system is developed, so that the resource utilization of biogas slurry is realized, the utilization cost of biogas slurry is reduced, and the negative effects of direct utilization of biogas slurry on soil, underground water and atmospheric environment are reduced.

[0017] 2. Two fermentation tank groups are adopted, and through the selection of the fermentation tank groups, alternate fermentation can be carried out to avoid the influence of the problem of the fermentation tank group on normal production; at the same time, different batches and different degrees of fermentation can be carried out at the same time to improve the fermentation rate of biogas slurry.

[0018] 3. The use of a sedimentation tank, ultraviolet sterilizer and first filter can reduce the impurity content in biogas slurry, thereby avoiding negative effects on fermentation. The use of a second filter, homogenizer and mixing system can eliminate the influence of fermentation impurities on subsequent packaging and utilization, and make the fermentation product distribution uniform. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The figure is a schematic diagram of the overall structure of the utility model, in which 1 is a biogas tank, 2 is a sedimentation tank, 3 is an ultraviolet sterilizer, 4 is a first filter, 5 is a first fermentation tank, 6 is a second fermentation tank, 7 is a third fermentation tank, 8 is a fourth fermentation tank, 9 is a fifth fermentation tank, 10 is a sixth fermentation tank, 11 is a first mixing tank, 12 is a second mixing tank, 13 is a product storage tank, 14 is a discharge port, 15 is a first control valve, 16 is a second control valve, 17 is a third control valve, 18 is a fourth control valve, 19 is a second filter, 20 is a homogenizer, 21 is a raw material tank, 22 is a liquid inlet, and 23 is a liquid outlet. DETAILED DESCRIPTION

[0020] The technical solutions of the utility model will be further explained and described below in combination with the drawings and specific embodiments. It should be noted that the following embodiments are only preferred embodiments of the utility model and should not be understood as limiting the utility model. The protection scope of the utility model should be subject to the content recorded in the claims. The modifications and replacements of the technical solutions of the utility model made by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Embodiment 1

[0022] A multi-enzyme enzyme organic fertilizer production system, a biogas tank 1 is connected with a sedimentation tank 2, the sedimentation tank 2 is connected with an ultraviolet sterilizer 3 in a pipeline, the ultraviolet sterilizer 3 is connected with a fermentation system through a first filter 4, the fermentation system is connected with a homogenizer 20 in a pipeline through a second filter 19, the homogenizer 20 is connected with a mixing system, and the mixing system is connected with a product storage tank 13 in a pipeline. Biogas slurry generated by anaerobic fermentation of the biogas tank 1 is transported to the sedimentation tank 2 through a pipeline, is subjected to sedimentation aeration, reduces the reducing property of the biogas slurry, avoids the competition for oxygen in subsequent processes, and thus causes negative effects. The biogas slurry subjected to the sedimentation aeration treatment of the sedimentation tank 2 is transported to the ultraviolet sterilizer 3 to be subjected to ultraviolet sterilization, kills microorganisms, bacteria and other components that are easy to have negative effects on fermentation, then is filtered through the first filter 4, the filtrate is transported to the fermentation system to be subjected to fermentation, is filtered through the second filter 19 after the fermentation is completed, is homogenized by the homogenizer 20, is then transported to the mixing system to be mixed uniformly, and finally is stored in the product storage tank 13 for standby.

[0023] Preferably, the outlet 14 of the biogas tank 1 is connected with the pipeline of the sedimentation tank 2, and the supernatant produced by fermentation in the biogas tank 1 is gathered in the outlet 14 and then transported to the sedimentation tank 2 through the pipeline for sedimentation and aeration treatment.

[0024] Preferably, the fermentation system is composed of a first fermentation tank group and a second fermentation tank group; the first fermentation tank group is composed of a first fermentation tank 5, a second fermentation tank 6 and a third fermentation tank 7 connected in series; and the second fermentation tank group is composed of a fourth fermentation tank 8, a fifth fermentation tank 9 and a sixth fermentation tank 10 connected in series. The first fermentation tank group and the second fermentation tank group are used alternately, and multiple groups of fermentation can be carried out at the same time; each fermentation tank group is composed of three fermentation tanks connected in series, which can carry out deep fermentation on the biogas slurry and improve the content of fertilizer.

[0025] Further preferably, the first fermentation tank 5 is connected with the pipeline of the raw material tank 21 to supplement the fermentation raw material into the first fermentation tank 5, so as to ensure the normal fermentation; and the fourth fermentation tank 8 is connected with the pipeline of the raw material tank to supplement the fermentation raw material into the fourth fermentation tank 8, so as to ensure the normal fermentation.

[0026] Preferably, the sedimentation tank 2 is connected with the liquid inlet 22 of the ultraviolet sterilizer 3 through the pipeline, and the liquid outlet 23 of the ultraviolet sterilizer 3 is connected with the first filter 4 through the pipeline, so as to disinfect the biogas slurry in the sedimentation tank 2 which has been subjected to sedimentation and aeration treatment, and further kill the microorganisms that may affect fermentation.

[0027] Further preferably, the pipeline connecting the sedimentation tank 2 with the liquid inlet 22 is provided with a first control valve 15 to control the amount of biogas slurry entering the ultraviolet sterilizer 3, so as to ensure the sterilization effect; and the pipeline connecting the liquid outlet 23 with the first filter 4 is provided with a third control valve 17 to control the amount of biogas slurry flowing out of the ultraviolet sterilizer 3 and the residence time of the biogas slurry, so as to ensure the sterilization effect.

[0028] Preferably, the sedimentation tank 2 is connected with the first filter 4 through the pipeline, so as to directly transport the biogas slurry subjected to sedimentation and aeration treatment to the first filter 4 for solid-liquid separation.

[0029] Further preferably, the pipeline connecting the sedimentation tank 2 with the first filter 4 is provided with a second control valve 16 to control whether the biogas slurry directly enters the first filter 4 and the amount of the biogas slurry entering the first filter 4.

[0030] Preferably, the pipeline connecting the fermentation system with the second filter 19 is provided with a fourth control valve 18 to control the amount of fermentation liquid entering the second filter 19, so as to ensure the filtering effect.

Claims

1. A production system of a multi-enzyme enzymatic organic fertilizer, characterized by: The biogas tank (1) is connected with the sedimentation tank (2), the sedimentation tank (2) is connected with the ultraviolet sterilizer (3), the ultraviolet sterilizer (3) is connected with the fermentation system through the first filter (4), the fermentation system is connected with the homogenizer (20) through the second filter (19), the homogenizer (20) is connected with the mixing system, and the mixing system is connected with the product storage tank (13) through a pipeline.

2. The production system of a multi-enzyme enzyme organic fertilizer according to claim 1, characterized in that: The discharge port (14) of the biogas tank (1) is connected with the sedimentation tank (2) through a pipeline.

3. The production system of a multi-enzyme enzyme organic fertilizer according to claim 1, characterized in that: The fermentation system is composed of a first fermentation tank group and a second fermentation tank group; the first fermentation tank group is composed of a first fermentation tank (5), a second fermentation tank (6) and a third fermentation tank (7) connected in series; and the second fermentation tank group is composed of a fourth fermentation tank (8), a fifth fermentation tank (9) and a sixth fermentation tank (10) connected in series.

4. The production system of a multi-enzyme enzyme organic fertilizer according to claim 3, characterized in that: The first fermentation tank (5) is connected with the raw material tank (21) through a pipeline; and the fourth fermentation tank (8) is connected with the raw material tank through a pipeline.

5. The production system of a multi-enzyme enzyme organic fertilizer according to claim 1, characterized in that: The sedimentation tank (2) is connected with the liquid inlet (22) of the ultraviolet sterilizer (3) through a pipeline, and the liquid outlet (23) of the ultraviolet sterilizer (3) is connected with the first filter (4) through a pipeline.

6. The production system of a multi-enzyme enzyme organic fertilizer according to claim 5, characterized in that: A first control valve (15) is arranged on the pipeline connecting the sedimentation tank (2) with the liquid inlet (22); and a third control valve (17) is arranged on the pipeline connecting the liquid outlet (23) with the first filter (4).

7. The production system of a multi-enzyme enzyme organic fertilizer according to claim 1, characterized in that: The sedimentation tank (2) is connected with the first filter (4) through a pipeline.

8. The production system of a multi-enzyme enzyme organic fertilizer according to claim 7, characterized by: A second control valve (16) is arranged on the pipeline connecting the sedimentation tank (2) with the first filter (4).

9. The production system of a multi-enzyme enzyme organic fertilizer according to claim 1, characterized in that: A fourth control valve (18) is arranged on the pipeline connecting the fermentation system with the second filter (19).

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