Microbial agent storage tank

Abstract

The invention relates to a microbial agent storage tank, and belongs to the technical field of microbial agent production. Comprising an upper-layer tank body and a lower-layer tank body which are arranged in a high-low fall mode, the upper-layer tank body and the lower-layer tank body are fixedly installed on a tank body support at the same time, and a left-side inter-tank-body circulation mechanism and a right-side inter-tank-body circulation mechanism which are symmetrically distributed are installed between the upper-layer tank body and the lower-layer tank body. And the circulation mechanism between the left side tank bodies comprises a first circulation main pipeline, the bottom end of the first circulation main pipeline extends to the inner bottom of the left end of the lower layer tank body, and a left side circulation pump is installed on the first circulation main pipeline. By additionally arranging the circulating mechanism between the left tank body and the circulating mechanism between the right tank body, the effect that liquid microbial agents in the two groups of tank bodies can circularly flow up and down is achieved, the mixing sufficiency of materials is improved, and the situation that due to gravity or temperature, the materials are precipitated, and the concentration of the materials is not uniform is avoided.

Description

Technical Field

[0001] The invention relates to a microbial agent storage tank, belonging to the technical field of microbial production. Background Art

[0002] Microbial agents refer to live bacterial preparations made by adsorbing the fermentation liquid of target microorganisms (effective bacteria) after industrial production and propagation using porous materials as adsorbents (such as peat and vermiculite). This type of agent is used for seed dressing or root dipping, and has the functions of directly or indirectly improving soil, restoring soil fertility, preventing soil-borne diseases, maintaining the balance of rhizosphere microbial flora, and degrading toxic substances. The proper use of agricultural microbial agents can increase the yield of agricultural products, improve the quality of agricultural products, reduce the use of chemical fertilizers, reduce costs, improve soil, and protect the ecological environment. According to the dosage form, it can be divided into: liquid, powder, and granular.

[0003] Function of microbial agents: Increase yield. Practice has proved that the specific fertilizer effect of microbial agents not only provides nutrients for crops, but its effective bacteria can also secrete active substances such as gibberellins, cytokinins, and auxins to stimulate, regulate, and promote the growth and development of crops, which is beneficial to increase crop yields.

[0004] Patent No. 202420116486.4 discloses a pressureless ammonia storage tank for liquid fertilizer production. It includes a pressureless ammonia storage tank body, and a protective component is arranged on the outside of the pressureless ammonia storage tank body; the protective component includes a support frame arranged on the outside of the pressureless ammonia storage tank body, and an opening is opened on the top of the support frame, and an inspection door is hinged inside the opening. The support frame is a right-angle "U"-shaped structure, and a box body is arranged on the top side of the support frame. A rotating shaft is rotatably connected inside the box body, and a membrane cloth component is wound on the outer wall of the rotating shaft; a crank is arranged at one end of the box body, and the crank is connected to one end of the rotating shaft. A positioning pin is inserted on the crank, and one end of the positioning pin passes through the crank and is connected to the outer wall of the box body. A membrane cloth component is wound inside the box body, and a top film is arranged on the top of the support frame. This device can improve the corrosion resistance of the pressureless ammonia storage tank body, thereby improving the service life of the pressureless ammonia storage tank body, and at the same time improve the safety of using the pressureless ammonia storage tank body.

[0005] The current technology is not comprehensive and has the following disadvantages: when the liquid is stored, the material is prone to sedimentation, resulting in uneven material concentration inside the storage tank, affecting the quality of the material.

[0006] In order to solve one of the above problems, a microbial agent storage tank is urgently needed. Summary of the invention

[0007] In view of the above deficiencies in the prior art, the technical problem to be solved by the present invention is: how to achieve the effect of circulating the liquid microbial agent inside the two groups of tanks up and down, improve the mixing adequacy of the materials, avoid the precipitation of the materials due to gravity or temperature reasons, and cause uneven concentration of the materials. For this purpose, a microbial agent storage tank is provided.

[0008] The microbial inoculant storage tank of the present invention comprises an upper tank body and a lower tank body arranged with a height difference, and the upper tank body and the lower tank body are fixedly installed on a tank body bracket at the same time, and is characterized in that a symmetrically distributed left-side tank body circulation mechanism and a right-side tank body circulation mechanism are installed between the upper tank body and the lower tank body.

[0009] By adding a circulation mechanism between the left and right tanks, the liquid microbial inoculants in the two groups of tanks can circulate up and down, thereby improving the mixing efficiency of the materials and avoiding the sedimentation of the materials due to gravity or temperature, which would lead to uneven concentration of the materials.

[0010] Preferably, the left-side tank body circulation mechanism includes a first circulation main pipeline, the bottom end of the first circulation main pipeline extends to the inner bottom of the left end of the lower tank body, a left-side circulation pump is installed on the first circulation main pipeline, the first circulation main pipeline is connected to a first circulation branch pipe A and a second circulation branch pipe A, the other end of the first circulation branch pipe A extends to the inner bottom of the left side of the upper tank body, the other end of the second circulation branch pipe A extends to a pipeline mixer A, the pipeline mixer A is installed between the upper tank body and the lower tank body, the first circulation branch pipe A is installed with a first remote flow meter, and the second circulation branch pipe A is installed with a second remote flow meter and a left-side electric regulating valve.

[0011] Preferably, the mixer A comprises an inclined gravity self-flow main pipe 1, the upper and lower ends of the gravity self-flow main pipe 1 are respectively connected with an upper connecting elbow A and a lower connecting elbow A, the upper connecting elbow A is installed at the bottom of the upper tank body and is communicated with the inner cavity of the upper tank body, the lower connecting elbow A is installed at the top of the lower tank body and is communicated with the inner cavity of the lower tank body, a bypass pipe A connected to the inner cavity of the lower connecting elbow A is arranged on the outer wall of the arc segment of the lower connecting elbow A, the bypass pipe A is coaxially arranged with the gravity self-flow main pipe, the other end of the bypass pipe A has an end flange A, and also comprises a dispersion plug A, the dispersion plug A is a blind pipe with one end blocked, the closed end of the dispersion plug A passes through the bypass pipe A and extends to the interior of the gravity self-flow main pipe 1, the other end of the dispersion plug A is provided with an end flange B, the outer wall of the dispersion plug A is provided with a middle flange A connected to the end flange A, and the end flange B is communicated with the second circulation branch pipe A.

[0012] Preferably, the circulation mechanism between the right tank bodies includes a second circulation main pipeline, the bottom end of the second circulation main pipeline extends to the inner bottom of the right end of the lower tank body, and a right circulation pump is installed on the second circulation main pipeline. The right circulation pump extracts the liquid bacterial agent in the upper tank body. The second gravity self-flow main pipeline is connected to the first circulation branch pipe B and the second circulation branch pipe B, and the other end extends to the inner bottom of the right side of the upper tank body. The other end of the second circulation branch pipe B extends to the pipeline mixer B, and the pipeline mixer B is installed between the upper tank body and the lower tank body. The first circulation branch pipe B is installed with a third remote flow meter, and the second circulation branch pipe B is installed with a fourth remote flow meter and a right electric regulating valve.

[0013] Preferably, the mixer B comprises an inclined gravity self-flow main pipe 2, the upper and lower ends of the gravity self-flow main pipe 2 are respectively connected with an upper connecting elbow B and a lower connecting elbow B, the upper connecting elbow B is installed at the bottom of the upper tank body and is communicated with the inner cavity of the upper tank body, the lower connecting elbow B is installed at the top of the lower tank body and is communicated with the inner cavity of the lower tank body, a bypass pipe B connected to the inner cavity of the lower connecting elbow B is arranged on the outer wall of the arc section of the lower connecting elbow B, the bypass pipe B is coaxially arranged with the gravity self-flow main pipe 2, the other end of the middle flange B has an end flange C, and also includes a dispersion plug B, the dispersion plug B is a blind pipe with one end blocked, the closed end of the dispersion plug B passes through the bypass pipe B and extends to the inside of the gravity self-flow main pipe 2, the other end of the dispersion plug B is provided with a middle flange B, the outer wall of the dispersion plug B is provided with an end flange D connected to the end flange C, and the middle flange B is communicated with the second circulation branch pipe B.

[0014] Preferably, the lower connecting bend A and the upper connecting bend A are respectively installed with a first concentration detector and a second concentration detector electrically connected to the controller; the lower connecting bend A and the upper connecting bend A are respectively installed with a third concentration detector and a fourth concentration detector electrically connected to the controller, and the left electric regulating valve and the right electric regulating valve are both electrically connected to the signal output end of the controller.

[0015] The remote flow meter is used to detect the flow of each pipeline. After the left circulation pump is turned on, the first concentration detector and the second concentration detector are used to detect the liquid concentration in the upper connecting elbow A and the lower connecting elbow A respectively. By controlling the opening of the left electric regulating valve, the flow of the first circulation branch pipe A and the second circulation branch pipe A can be adjusted, and the mixing ratio in the mixer A can be adjusted. When the concentrations detected by the second concentration detector and the first concentration detector are both greater than the normal standard, it is necessary to gradually increase the opening of the left electric regulating valve until the concentration detected by the second concentration detector is within the normal standard; when the concentrations detected by the second concentration detector and the first concentration detector are both less than the normal standard, it is necessary to gradually increase the opening of the left electric regulating valve until the concentration detected by the second concentration detector is within the normal standard; when the concentrations detected by the second concentration detector are both within the normal standard, regardless of whether the concentrations detected by the first concentration detector meet the normal standard, the opening of the left electric regulating valve can be kept unchanged.

[0016] After starting the right-side circulation pump, the third concentration detector and the fourth concentration detector are respectively used to detect the liquid concentrations in the upper connecting elbow B and the lower connecting elbow B. By controlling the opening of the right-side electric regulating valve, the flow rates of the first circulation branch pipe B and the second circulation branch pipe B can be adjusted. When the concentrations detected by the third concentration detector and the fourth concentration detector are both greater than the normal standard, the opening of the right-side electric regulating valve needs to be gradually increased until the concentration detected by the second concentration detector is within the normal standard; when the concentrations detected by the third concentration detector and the fourth concentration detector are both lower than the normal standard, the opening of the right-side electric regulating valve needs to be gradually increased until the concentration detected by the fourth concentration detector is within the normal standard; when the concentrations detected by the fourth concentration detector are within the normal standard, regardless of whether the concentration detected by the third concentration detector meets the normal standard, the opening of the right-side electric regulating valve can be kept unchanged.

[0017] Preferably, a breathing valve and a liquid inlet are installed on the upper tank body.

[0018] Preferably, a third electric regulating valve is connected to the first circulation branch pipe A, the third electric regulating valve is electrically connected to the controller, and an external discharge pipe is connected to the first circulation branch pipe A between the first remote flow meter and the third electric regulating valve. The liquid biological agent can be discharged by turning on the left circulation pump and closing the left electric regulating valve and the third electric regulating valve.

[0019] Preferably, the controller is a PLC, a DCS controller or a single chip microcomputer.

[0020] Preferably, the flow ratio between the pipeline where the first remote flow meter is located and the pipeline where the second remote flow meter is located is adjusted to 1:0.8-2.0 through an electric regulating valve.

[0021] Compared with the prior art, the present invention has the following beneficial effects: The microbial agent storage tank described in the present invention achieves the effect of liquid microbial agents in the two groups of tank bodies circulating up and down by adding a left-side tank body circulation mechanism and a right-side tank body circulation mechanism, thereby improving the mixing adequacy of the materials and avoiding precipitation of the materials due to gravity or temperature reasons, resulting in uneven concentration of the materials.

[0022] The microbial inoculant storage tank described in the present invention, after turning on the left circulation pump, uses the first concentration detector and the second concentration detector to detect the liquid concentrations in the upper connecting elbow A and the lower connecting elbow A respectively, and by controlling the opening of the left electric regulating valve, the flow of the first circulation branch pipe A and the second circulation branch pipe A can be adjusted, and the mixing ratio in the mixer A can be adjusted. No other power is required, so the cost can be reduced.

[0023] The microbial agent storage tank of the present invention can discharge the liquid biological agent by opening the left circulation pump and closing the left electric regulating valve and the third electric regulating valve, thereby achieving multiple uses of one pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0025] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the circulation mechanism between the left tanks of the present invention; Figure 3 It is a structural schematic diagram of the circulation mechanism between the right tanks of the present invention; Figure 4 This is the control schematic diagram of the controller.

[0026] In the figure: 1, upper tank 2, lower tank 3, tank support 4, left tank circulation mechanism 5, right tank circulation mechanism 6, left electric regulating valve 7, first concentration detector 8, second concentration detector 9, left circulation pump 10, right electric regulating valve 11, third concentration detector 12, fourth concentration detector 13, right circulation pump 14, gravity self-flow main pipe 1 15, lower connecting elbow A 16, upper connecting elbow A 17, bypass pipe A 18, end flange A 19, middle flange A 20, end flange B 21, dispersion hole A 22, dispersion plug A 23, bypass pipe B 24, end flange C 25, end flange D 26, middle flange B 27, dispersion hole B 28, dispersion plug B 29, controller 30, gravity self-flow main pipe 2 31, lower connecting elbow B 32, upper connecting elbow B 33. Breathing valve 34. Third electric regulating valve 35. External exhaust pipe. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings: The present invention is further illustrated below through specific embodiments, but the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0028] Embodiment 1, as Figure 1 As shown, the microbial agent storage tank comprises an upper tank body 1 and a lower tank body 2 arranged with a height difference, the upper tank body 1 and the lower tank body 2 are fixedly mounted on a tank body bracket 3 at the same time, and a symmetrically distributed left tank body circulation mechanism 4 and a right tank body circulation mechanism 5 are installed between the upper tank body 1 and the lower tank body 2. By adding the left tank body circulation mechanism 4 and the right tank body circulation mechanism 5, the liquid microbial agent in the two groups of tank bodies can circulate up and down, improve the mixing adequacy of the materials, and avoid the precipitation of the materials due to gravity or temperature reasons, resulting in uneven concentration of the materials.

[0029] Embodiment 2, as Figure 1-2 As shown, the microbial inoculant storage tank comprises an upper tank body 1 and a lower tank body 2 arranged with a height difference, the upper tank body 1 and the lower tank body 2 are fixedly mounted on a tank body bracket 3 at the same time, and a symmetrically distributed left-side tank body circulation mechanism 4 and a right-side tank body circulation mechanism 5 are installed between the upper tank body 1 and the lower tank body 2.

[0030] Further, refer to Figure 2The left tank body circulation mechanism 4 includes a first circulation main pipeline 4.1, the bottom end of which extends to the inner bottom of the left end of the lower tank body 2, a left circulation pump 9 is installed on the first circulation main pipeline 4.1, and a first circulation branch pipe A4.2 and a second circulation branch pipe A4.3 are connected to the first circulation main pipeline 4.1, the other end of the first circulation branch pipe A4.2 extends to the inner bottom of the left side of the upper tank body 1, and the other end of the second circulation branch pipe A4.3 extends to the pipeline mixer A, which is installed between the upper tank body 1 and the lower tank body 2, a first remote flow meter 4.4 is installed on the first circulation branch pipe A4.2, and a second remote flow meter 4.5 and a left electric regulating valve 6 are installed on the second circulation branch pipe A4.3.

[0031] Further, the mixer A includes an inclined gravity self-flow main pipe 14, the upper and lower ends of the gravity self-flow main pipe 14 are respectively connected with an upper connecting elbow A16 and a lower connecting elbow A15, the upper connecting elbow A16 is installed at the bottom of the upper tank body 1 and is connected to the inner cavity of the upper tank body 1, the lower connecting elbow A15 is installed at the top of the lower tank body 2 and is connected to the inner cavity of the lower tank body 2, and a bypass pipe A17 connected to the inner cavity of the lower connecting elbow A15 is arranged on the outer wall of the arc segment of the lower connecting elbow A15, and the bypass pipe A17 is connected to the inner cavity of the lower connecting elbow A15. 17 is coaxially arranged with the gravity self-flow main pipe 14, the other end of the bypass pipe A17 has an end flange A18, and also includes a dispersion insert pipe A22, the dispersion insert pipe A22 is a blind pipe with one end blocked, the closed end of the dispersion insert pipe A22 passes through the bypass pipe A17 and extends to the interior of the gravity self-flow main pipe 14, the other end of the dispersion insert pipe A22 is provided with an end flange B20, the outer wall of the dispersion insert pipe A22 is provided with a middle flange A19 connected to the end flange A18, and the end flange B20 is connected to the second circulation branch pipe A4.3.

[0032] Further, refer to Figure 3 The right tank body circulation mechanism 5 includes a second circulation main pipeline 5.1, the bottom end of which extends to the inner bottom of the right end of the lower tank body 2, and a right circulation pump 13 is installed on the second circulation main pipeline 5.1, and the right circulation pump 13 extracts the liquid bacterial agent in the upper tank body 1. The second gravity self-flow main pipeline 5.1 is connected to a first circulation branch pipe B5.2 and a second circulation branch pipe B5.3, and the other end of 5.2 extends to the inner bottom of the right side of the upper tank body 1, and the other end of the second circulation branch pipe B5.3 extends to a pipeline mixer B, which is installed between the upper tank body 1 and the lower tank body 2. A third remote flow meter 5.4 is installed on the first circulation branch pipe B5.2, and a fourth remote flow meter 5.5 and a right electric regulating valve 10 are installed on the second circulation branch pipe B5.3.

[0033] Further, the mixer B includes an inclined gravity self-flow main pipe 230, the upper and lower ends of the gravity self-flow main pipe 230 are respectively connected with an upper connecting elbow pipe B32 and a lower connecting elbow pipe B31, the upper connecting elbow pipe B32 is installed at the bottom of the upper tank body 1, and is connected to the inner cavity of the upper tank body 1, the lower connecting elbow pipe B31 is installed at the top of the lower tank body 2, and is connected to the inner cavity of the lower tank body 2, and a bypass pipe B23 connected to the inner cavity of the lower connecting elbow pipe B31 is arranged on the outer wall of the arc segment of the lower connecting elbow pipe B31, and the bypass pipe B23 is connected to the inner cavity of the lower connecting elbow pipe B31. 23 is coaxially arranged with the gravity self-flow main pipe 2 30, the other end of the middle flange B26 has an end flange C24, and also includes a dispersed insert pipe B28, the dispersed insert pipe B28 is a blind pipe with one end blocked, the closed end of the dispersed insert pipe B28 passes through the bypass pipe B23 and extends to the interior of the gravity self-flow main pipe 2 30, the other end of the dispersed insert pipe B28 is provided with a middle flange B26, the outer wall of the dispersed insert pipe B28 is provided with an end flange D25 connected to the end flange C24, and the middle flange B26 is connected to the second circulation branch pipe B5.3.

[0034] Furthermore, a first concentration detector 7 and a second concentration detector 8 electrically connected to the controller 29 are respectively installed on the lower connecting bend A15 and the upper connecting bend A16; a third concentration detector 11 and a fourth concentration detector 12 electrically connected to the controller 29 are respectively installed on the lower connecting bend A15 and the upper connecting bend A16, and the left electric regulating valve 6 and the right electric regulating valve 10 are both electrically connected to the signal output end of the controller 29.

[0035] The remote flowmeter is used to detect the flow of each pipeline. After the left circulation pump 9 is turned on, the first concentration detector 7 and the second concentration detector 8 are used to detect the liquid concentration in the upper connecting elbow A16 and the lower connecting elbow A15 respectively. By controlling the opening of the left electric regulating valve 6, the flow of the first circulation branch A4.2 and the second circulation branch A4.3 can be adjusted. When the concentrations detected by the second concentration detector 8 and the first concentration detector 7 are both greater than the normal standard, it is necessary to gradually increase the opening of the left electric regulating valve 6 until the concentration detected by the second concentration detector 8 is within the normal standard; when the concentrations detected by the second concentration detector 8 and the first concentration detector 7 are both less than the normal standard, it is necessary to gradually increase the opening of the left electric regulating valve 6 until the concentration detected by the second concentration detector 8 is within the normal standard; when the concentrations detected by the second concentration detector 8 are both within the normal standard, regardless of whether the concentrations detected by the first concentration detector 7 meet the normal standard, the opening of the left electric regulating valve 6 can be kept unchanged.

[0036] After the right circulation pump 13 is turned on, the third concentration detector 11 and the fourth concentration detector 12 are respectively used to detect the liquid concentrations in the upper connecting elbow B32 and the lower connecting elbow B31. By controlling the opening of the right electric regulating valve 10, the flow rates of the first circulation branch pipe B5.2 and the second circulation branch pipe B5.3 can be adjusted. When the concentrations detected by the third concentration detector 11 and the fourth concentration detector 12 are both greater than the normal standard, it is necessary to gradually increase the opening of the right electric regulating valve 10 until the concentration detected by the second concentration detector 8 is within the normal standard; when the concentrations detected by the third concentration detector 11 and the fourth concentration detector 12 are both less than the normal standard, it is necessary to gradually increase the opening of the right electric regulating valve 10 until the concentration detected by the fourth concentration detector 12 is within the normal standard; when the concentrations detected by the fourth concentration detector 12 are within the normal standard, regardless of whether the concentrations detected by the third concentration detector 11 meet the normal standard, the opening of the right electric regulating valve 10 can be kept unchanged.

[0037] Furthermore, a breathing valve 33 and a liquid inlet are installed on the upper tank body 1.

[0038] Further, refer to Figure 4 The first circulation branch pipe A4.2 is connected to a third electric regulating valve 34, which is electrically connected to the controller 29, and the first circulation branch pipe A4.2 between the first remote flow meter 4.4 and the third electric regulating valve 34 is connected to an external discharge pipe 35. The liquid biological agent can be discharged by turning on the left circulation pump 9 and closing the left electric regulating valve 6 and the third electric regulating valve 34.

[0039] Furthermore, the controller 29 is a PLC, a DCS controller or a single chip microcomputer.

[0040] Furthermore, the flow ratio between the pipeline where the first remote flow meter 4.4 is located and the pipeline where the second remote flow meter 4.5 is located is adjusted to 1:0.8-2.0 by the electric regulating valve 8.

[0041] The microbial agent storage tank described in the present invention achieves the effect of liquid microbial agents in the two groups of tank bodies circulating up and down by adding a left-side tank body circulation mechanism and a right-side tank body circulation mechanism, thereby improving the mixing adequacy of the materials and avoiding precipitation of the materials due to gravity or temperature reasons, resulting in uneven concentration of the materials.

[0042] The microbial inoculant storage tank described in the present invention, after turning on the left circulation pump, uses the first concentration detector and the second concentration detector to detect the liquid concentrations in the upper connecting elbow A and the lower connecting elbow A respectively, and by controlling the opening of the left electric regulating valve, the flow of the first circulation branch pipe A and the second circulation branch pipe A can be adjusted, and the mixing ratio in the mixer A can be adjusted. No other power is required, so the cost can be reduced.

[0043] The microbial agent storage tank of the present invention can discharge the liquid biological agent by opening the left circulation pump and closing the left electric regulating valve and the third electric regulating valve, thereby achieving multiple uses of one pump.

[0044] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

[0045] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A microbial inoculant storage tank, comprising an upper tank body and a lower tank body arranged in a height difference, wherein the upper tank body and the lower tank body are fixedly mounted on a tank body bracket at the same time, characterized in that: A symmetrically distributed left-side tank body circulation mechanism and a right-side tank body circulation mechanism are installed between the upper tank body and the lower tank body.

2. The microbial agent storage tank according to claim 1, characterized in that: The left tank body circulation mechanism includes a first circulation main pipeline, the bottom end of which extends to the inner bottom of the left end of the lower tank body, a left circulation pump is installed on the first circulation main pipeline, and the first circulation main pipeline is connected to a first circulation branch pipe A and a second circulation branch pipe A, the other end of the first circulation branch pipe A extends to the inner bottom of the left side of the upper tank body 1, and the other end of the second circulation branch pipe A extends to a pipeline mixer A, which is installed between the upper tank body and the lower tank body, a first remote flow meter is installed on the first circulation branch pipe A, and a second remote flow meter and a left electric regulating valve are installed on the second circulation branch pipe A.

3. The microbial agent storage tank according to claim 2, characterized in that: The mixer A comprises an inclined gravity self-flow main pipe 1, the upper and lower ends of which are respectively connected with an upper connecting elbow A and a lower connecting elbow A, the upper connecting elbow A is installed at the bottom of the upper tank body and is communicated with the inner cavity of the upper tank body, the lower connecting elbow A is installed at the top of the lower tank body and is communicated with the inner cavity of the lower tank body, a bypass pipe A connected with the inner cavity of the lower connecting elbow A is arranged on the outer wall of the arc section of the lower connecting elbow A, the bypass pipe A is arranged coaxially with the gravity self-flow main pipe, the other end of the bypass pipe A has an end flange A, and also comprises a dispersion plug A, the dispersion plug A is a blind pipe with one end blocked, the closed end of the dispersion plug A passes through the bypass pipe A and extends to the interior of the gravity self-flow main pipe 1, the other end of the dispersion plug A is provided with an end flange B, the outer wall of the dispersion plug A is provided with a middle flange A connected with the end flange A, and the end flange B is communicated with the second circulation branch pipe A.

4. The microbial agent storage tank according to claim 3, characterized in that: The right-side tank body circulation mechanism includes a second circulation main pipeline, the bottom end of which extends to the inner bottom of the right end of the lower tank body, and a right-side circulation pump is installed on the second circulation main pipeline, which extracts the liquid bacterial agent in the upper tank body. The second gravity self-flow main pipeline is connected to the first circulation branch pipe B and the second circulation branch pipe B, and the other end extends to the inner bottom of the right side of the upper tank body. The other end of the second circulation branch pipe B extends to the pipeline mixer B, which is installed between the upper tank body and the lower tank body. The first circulation branch pipe B is installed with a third remote flow meter, and the second circulation branch pipe B is installed with a fourth remote flow meter and a right-side electric regulating valve.

5. The microbial agent storage tank according to claim 4, characterized in that: The mixer B includes an inclined gravity self-flow main pipe 2, the upper and lower ends of which are respectively connected with an upper connecting elbow B and a lower connecting elbow B, the upper connecting elbow B is installed at the bottom of the upper tank body and is communicated with the inner cavity of the upper tank body, the lower connecting elbow B is installed at the top of the lower tank body and is communicated with the inner cavity of the lower tank body, a bypass pipe B connected to the inner cavity of the lower connecting elbow B is arranged on the outer wall of the arc section of the lower connecting elbow B, the bypass pipe B is coaxially arranged with the gravity self-flow main pipe 2, the other end of the middle flange B has an end flange C, and also includes a dispersion plug B, the dispersion plug B is a blind pipe with one end blocked, the closed end of the dispersion plug B passes through the bypass pipe B and extends to the inside of the gravity self-flow main pipe 2, the other end of the dispersion plug B is provided with a middle flange B, the outer wall of the dispersion plug B is provided with an end flange D connected to the end flange C, and the middle flange B is communicated with the second circulation branch pipe B.

6. The microbial agent storage tank according to claim 5, characterized in that: The first concentration detector and the second concentration detector electrically connected to the controller are respectively installed on the lower connecting elbow A and the upper connecting elbow A; the third concentration detector and the fourth concentration detector electrically connected to the controller are respectively installed on the lower connecting elbow A and the upper connecting elbow A, and the left electric regulating valve and the right electric regulating valve are both electrically connected to the signal output end of the controller.

7. The microbial agent storage tank according to claim 6, characterized in that: A breathing valve and a liquid inlet are installed on the upper tank body.

8. The microbial agent storage tank according to claim 1, characterized in that: The first circulation branch pipe A is connected to a third electric regulating valve, the third electric regulating valve is electrically connected to a controller, and an external discharge pipe is connected to the first circulation branch pipe A between the first remote flow meter and the third electric regulating valve.

9. The microbial agent storage tank according to claim 8, characterized in that: The controller is a PLC, a DCS controller or a single chip microcomputer.

10. The microbial agent storage tank according to claim 9, characterized in that: The flow ratio between the pipeline where the first remote flow meter is located and the pipeline where the second remote flow meter is located is adjusted to 1:0.8-2.0 through an electric regulating valve.

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