Organic liquid fertilizer concentration equipment and process

Abstract

The invention discloses organic liquid fertilizer concentration equipment and process, the organic liquid fertilizer concentration equipment comprises a concentration tank, a condensing device and a recovery device, the bottom of the condensing device is communicated with one side of a filter chamber, the other side of the filter chamber is communicated with the bottom of the recovery device, the top of the concentration tank is communicated with the condensing device, the recovery device is communicated with the side surface of the concentration tank; a stirring shaft is arranged in the concentration tank, the stirring shaft penetrates through the top of the concentration tank and is connected with a motor, and the condensing device comprises a condenser and a liquid receiving tank. The device has the beneficial effects that steam passes through the recovery device, is heated and then returns to the concentration tank, organic liquid fertilizer is heated by the steam, formed mixed steam enters the condensing device through the separator, and the steam is condensed into a liquid state in the condenser and is collected in the liquid receiving tank; after the liquid flows through the filtering chamber to be filtered, the treated liquid flows into the recovery device through the water outlet, the steps are repeated, continuous liquid concentration, filtering and recovery are achieved, and waste of water resources is avoided.

Description

Technical Field

[0001] The invention relates to the field of fertilizer concentration, and in particular to an organic liquid fertilizer concentration device and process. Background Art

[0002] Organic liquid fertilizers are fertilizers made from natural organic matter and are usually used to improve soil fertility and promote plant growth. They are usually fermented from natural materials such as plant residues, animal waste, seaweed, fish by-products, etc. These fertilizers are rich in nutrients, including basic elements such as nitrogen, phosphorus, potassium, as well as trace elements and organic matter.

[0003] In the production process of organic liquid fertilizer, it is often necessary to concentrate the liquid fertilizer. In a concentrating device in the prior art, hot water vapor is transported into a concentrating tank, and the hot water vapor transfers its heat to the liquid fertilizer to increase the temperature of the liquid fertilizer, thereby evaporating the water in the liquid fertilizer, and thus the liquid fertilizer is concentrated. However, the concentrating device does not recycle the water vapor discharged from the concentrating tank, which results in a waste of water resources. Summary of the invention

[0004] The purpose of the present invention is to provide an organic liquid fertilizer concentration device and process to solve the above-mentioned technical problem of recovering water vapor.

[0005] In order to solve the above technical problems, the present invention provides an organic liquid fertilizer concentration device and process, which includes a concentration tank, a condensing device and a recovery device. The bottom of the condensing device is connected to one side of the filter chamber, and the other side of the filter chamber is connected to the bottom of the recovery device. The top of the concentration tank is connected to the condensing device, and the recovery device is connected to the side of the concentration tank. A stirring shaft is arranged inside the concentration tank, and the stirring shaft passes through the top of the concentration tank and is connected to a motor. The condensing device includes a condenser and a liquid receiving tank.

[0006] Furthermore, it is characterized in that: the filter chamber includes a first filter chamber, a second filter chamber, and a third filter chamber, the first filter chamber is movably connected to a filter bed, the filter bed is provided with 4 layers of filter screens, the filter screens are arranged at intervals to form 3 layers of gaps, the lower layer is activated carbon, the middle layer is a fine mesh filter, and the upper layer is a precision filtering component, the filter screen at the lower end of the filter bed prevents the filter medium from falling, and the filter screen at the upper end of the filter bed prevents the filter medium from being discharged with the fluid.

[0007] Furthermore, the interior of the first filter chamber is located above the filter bed and is connected to the second filter chamber. A barrier wall is provided on the side of the second filter chamber away from the first filter chamber. The barrier wall and the side walls of the second filter chamber form a guide channel. The inner wall of the second filter chamber is connected to the dosing port.

[0008] Furthermore, the top of the side wall of the second filter chamber away from the first filter chamber is connected to the third filter chamber, and the side wall of the third filter chamber away from the second filter chamber is provided with a water outlet, the water outlet is connected to the bottom of the recovery device, and a cation exchange layer is provided at the water outlet.

[0009] Furthermore, the filter chambers include a first filter chamber, a second filter chamber, and a third filter chamber, each of which has a sewage outlet at the bottom.

[0010] Furthermore, a plurality of heating tubes are vertically arranged in the recovery device, a steam outlet is arranged on the top of the recovery device, the steam outlet is connected to a steam pipe, a valve is arranged on the steam pipe, the other end of the steam pipe penetrates into the upper part of the recovery device, the steam pipe extends along the inner wall of the recovery device for several turns, passes through the recovery device and then connects to the concentration tank.

[0011] Furthermore, the top of the concentration tank is connected to a separator, and the other end of the separator is connected to a condensing device.

[0012] Furthermore, a valve is provided between the condensing device and the filter chamber, and a valve is provided between the filter chamber and the recovery device.

[0013] Further, step 1: starting the motor in the concentration tank to start the stirring shaft to evenly heat and stir the organic liquid fertilizer in the tank;

[0014] Step 2: Start the recovery device, heat and evaporate the liquid in the recovery device through the heating pipe, and the evaporated steam enters the steam pipe through the steam outlet. The recovery device heats the steam in the steam pipe again and sends it back to the concentration tank;

[0015] Step 3: Steam heats the organic liquid fertilizer in the concentration tank, and the resulting mixed steam enters the condensation device through the separator. The steam is condensed into liquid through the condenser and collected in the liquid receiving tank. The valve between the bottom of the liquid receiving tank and the filter chamber is opened to allow the liquid to flow into the filter chamber;

[0016] Step 4: The liquid first enters the first filter chamber and undergoes multi-stage filtration through activated carbon, fine mesh filters, and precision filtration components;

[0017] Step 5: The filtered liquid rises to the second filter chamber, and necessary chemicals can be added through the dosing port for further treatment;

[0018] Step 6: After passing through the guide channel of the second filter chamber, the liquid enters the third filter chamber; after the third filter chamber completes the final cleaning treatment, it enters the water outlet through the cation exchange layer and flows into the recovery device, and the above steps are repeated.

[0019] The beneficial effects of the present invention are as follows: compared with the prior art, the organic liquid fertilizer concentration device and process are as follows: first, the motor in the concentration tank is started, the stirring shaft starts to work, the organic liquid fertilizer to be concentrated enters the concentration tank, it is ensured that the organic liquid fertilizer and the superheated water vapor in the tank are evenly mixed and heated, the recovery device is started, the evaporated steam is heated again in the recovery device and then returns to the concentration tank, the steam heats the organic liquid fertilizer in the concentration tank, the formed mixed steam enters the condensation device through the separator, the steam is condensed into liquid in the condenser, and collected in the liquid receiving tank;

[0020] After the liquid flows through the filter chamber and is filtered, the treated liquid flows into the recovery device through the water outlet, and the above steps are repeated to achieve continuous liquid concentration, filtration and recovery. The concentration equipment recycles and reuses the water vapor discharged from the concentration tank to avoid waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of an organic liquid fertilizer concentration device.

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of an organic liquid fertilizer concentration device.

[0023] Figure 3 It is a rear view structural schematic diagram of the organic liquid fertilizer concentration equipment.

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of an organic liquid fertilizer concentration device.

[0025] Figure 5 It is an enlarged cross-sectional structural schematic diagram of the filter chamber in the organic liquid fertilizer concentration equipment.

[0026] Among them: 2, support foot; 3, motor; 4, concentration tank; 5, separator; 51, separation chamber; 52, baffle; 53, drain port; 54, exhaust port; 55, inlet; 6, valve; 7, stirring shaft; 8, condensation device; 81, condenser; 10, receiving tank; 101, filter chamber; 111, first filter chamber; 112, filter bed; 113, filter screen; 1113, activated carbon; 1114, fine mesh filter ; 1115, precision filter element component; 1117, slope; 1118, water inlet; 1119, sewage outlet; 112, second filter chamber; 1121, barrier wall; 1122, dosing port; 113, third filter chamber; 1131, cation exchange layer; 1132, water outlet; 12, liquid inlet; 13, air valve; 14, recovery device; 15, steam outlet; 16, heating pipe; 17, steam pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiment is only one embodiment of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0028] In order to make the objectives, technical solutions and advantages of the present application more clear, the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] In the following description, references to "one embodiment", "an embodiment", "an example", "an example", etc. indicate that the embodiment or example described in this way may include specific features, structures, characteristics, properties, elements or limitations, but not every embodiment or example necessarily includes the specific features, structures, characteristics, properties, elements or limitations. In addition, repeated use of the phrase "according to one embodiment of the present application" may refer to the same embodiment, but does not necessarily refer to the same embodiment.

[0030] like Figure 1 As shown, it includes a concentration tank 4, a condensing device 8 and a recovery device 14. The bottom of the condensing device 8 is connected to one side of the filter chamber 101, and the other side of the filter chamber 101 is connected to the bottom of the recovery device 14. The top of the concentration tank 4 is connected to the condensing device 8, and the recovery device 14 is connected to the side of the concentration tank 4. A stirring shaft 7 is arranged inside the concentration tank 4, and the stirring shaft 7 passes through the top of the concentration tank 4 and is connected to the motor 3. The model of the magnetic motor 3 is Y90L-4, which will not be described in detail here. The condensing device 8 includes a condenser 81 and a liquid receiving tank 10. The bottoms of the concentration tank 4, the condensing device 8 and the recovery device 14 are all provided with legs 2. Through the stirring and heating in the concentration tank 4, the organic liquid fertilizer is ensured to be evenly concentrated and the evaporation efficiency is improved.

[0031] The filter chamber 101 includes a first filter chamber 111, a second filter chamber 112, and a third filter chamber 113. The first filter chamber 111 is movably connected to a filter bed 112. The filter bed 112 is provided with four layers of filter screens 113. The filter screens 113 are arranged at intervals to form three layers of gaps. The lower layer is activated carbon 1113, the middle layer is a fine mesh filter 1114, and the fine mesh filter adopts a model of HFU620UY020J. The upper layer is a precision filter element component 1115 adopts a model of 3M TM Betapure TM In the NT-T series, the filter screen 113 at the lower end of the filter bed 112 prevents the filter medium from falling, and the filter screen 113 at the upper end of the filter bed 112 prevents the filter medium from being discharged with the fluid.

[0032] The interior of the first filter chamber 111 is located above the filter bed 112 and is connected to the second filter chamber 112. A barrier wall 1121 is provided on the side of the second filter chamber 112 away from the first filter chamber 111. The barrier wall 1121 and the side walls of the second filter chamber 112 form a diversion channel. The inner wall of the second filter chamber 112 is connected to the dosing port 1122. The organic liquid fertilizer contains impurities such as ammonia, sulfide, and nitrate during the concentration process. The added chemical agents include: reducing treatment agents (such as hydrogen sulfide or sulfite), nitrate (NO3^-) can be reduced to nitrogen or ammonia by sulfite, and converted into a more stable or easy-to-handle form, neutralization reaction agents (acids (such as sulfuric acid, H2SO4) or alkalis (such as sodium hydroxide, NaOH)), ammonia (NH3) reacts with sulfuric acid to generate ammonium sulfate, sulfur dioxide (SO2) reacts with sodium hydroxide to generate sodium sulfite, and adding chemical agents through the dosing port 1122 effectively removes impurities.

[0033] The top of the side wall of the second filter chamber 112 away from the first filter chamber 111 is connected to the third filter chamber 113. The side wall of the third filter chamber 113 away from the second filter chamber 112 is provided with a water outlet 1132. The water outlet 1132 is connected to the bottom of the recovery device 14. A cation exchange layer 1131 is provided at the water outlet 1132. By arranging multiple layers of filter screens 113 and cation exchange layers 1131, it is ensured that impurities in the liquid are effectively removed to obtain high-purity liquid.

[0034] The filter chamber 101 includes a first filter chamber 111 , a second filter chamber 112 , and a third filter chamber 113 , each of which has a sewage outlet 1119 at its bottom.

[0035] A plurality of heating tubes 16 are vertically arranged in the recovery device 14. A steam outlet 15 is arranged on the top of the recovery device 14. The steam outlet 15 is connected to a steam pipe 17. A gas valve 13 is arranged on the steam pipe 17. The other end of the steam pipe 17 penetrates into the upper part of the recovery device 14. The steam pipe 17 extends along the inner wall of the recovery device 14 for several circles and then passes through the recovery device 14 and is connected to the concentration tank 4. The steam recycling system in the recovery device 14 is utilized to reduce energy consumption and improve the overall energy efficiency of the system.

[0036] The top of the concentration tank 4 is connected to the separator 5, and the other end of the separator 5 is connected to the condensing device 8. The separator 5 is provided with a separation chamber 51, and a baffle 52 is provided in the separation chamber 51. A drain port 53 is provided below the baffle 52, an air inlet is provided on one side of the baffle 52, and an air outlet is provided on the other side of the baffle 52. The separator 5 is used for preliminary separation of gas and liquid.

[0037] A valve 6 is provided between the condensation device 8 and the filter chamber 101, and a valve 6 is provided between the filter chamber 101 and the recovery device 14. Through the valve 6 and the dosing port 1122, the liquid flow and chemical treatment are controlled to improve the filtering efficiency.

[0038] The working principle of the system is based on the combination of physical evaporation, condensation and chemical filtration; the condenser 81 converts the steam into liquid, which is then removed from the liquid by a multi-stage filtration system and finally finely processed by a cation exchange layer 1131 to achieve purification and recovery of the liquid.

[0039] Step 1: Start the motor 3 in the concentration tank 4 to start the stirring shaft 7 to start working, and the organic liquid fertilizer to be concentrated enters the concentration tank 4 through the liquid inlet 12 to evenly heat and stir the organic liquid fertilizer in the concentration tank 4;

[0040] Step 2: Start the recovery device 14, heat and evaporate the liquid in the recovery device 14 through the heating pipe 16, and the evaporated steam enters the steam pipe 17 through the steam outlet. The recovery device 14 heats the steam in the steam pipe 17 again and sends it back to the concentration tank 4;

[0041] Step 3: Steam heats the organic liquid fertilizer in the concentration tank 4, and the resulting mixed steam enters the condensation device 8 through the separator 5. The steam is condensed into liquid through the condenser 81 and collected in the liquid receiving tank 10. The valve 6 between the bottom of the liquid receiving tank 10 and the filter chamber 101 is opened to allow the liquid to flow into the filter chamber 101;

[0042] Step 4: The liquid first enters the first filter chamber 111 and is filtered in multiple stages through the activated carbon 1113, the fine mesh filter 1114, and the precision filter element component 1115;

[0043] Step 5: The filtered liquid rises to the second filter chamber 112, and necessary chemicals can be added through the dosing port 1122 for further treatment;

[0044] Step 6: After passing through the guide channel of the second filter chamber 112, the liquid enters the third filter chamber 113; after the third filter chamber 113 completes the final cleaning process, it enters the water outlet 1132 through the cation exchange layer 1131 and flows into the recovery device 14, and the above steps are repeated.

[0045] Working process: first start the motor 3 in the concentration tank 4, the stirring shaft 7 starts to work, the organic liquid fertilizer to be concentrated enters the concentration tank 4 through the liquid inlet 12, ensure that the organic liquid fertilizer and the superheated water vapor in the tank are evenly mixed and heated, start the recovery device 14, heat and evaporate the liquid through the heating pipe 16, the evaporated steam enters the steam pipe 17 through the steam outlet 15, and returns to the concentration tank 4 after being heated again in the recovery device 14, the steam heats the organic liquid fertilizer in the concentration tank 4, and the formed mixed steam enters the condensation device 8 through the separator 5, and the steam is condensed into liquid in the condenser 81 and collected in the liquid receiving tank 10;

[0046] Open the valve 6 between the bottom of the liquid receiving tank 10 and the filter chamber 101, and the liquid flows into the first filter chamber 111. In the first filter chamber 111, the liquid is filtered through the activated carbon 1113, the fine mesh filter 1114 and the precision filter element 1115 in multiple stages. The filtered liquid enters the second filter chamber 112. If necessary, chemicals are added through the dosing port 1122 for further treatment. The liquid enters the third filter chamber 113 through the guide channel of the second filter chamber 112. In the third filter chamber 113, the liquid is finally cleaned through the cation exchange layer 1131. The treated liquid flows into the recovery device 14 through the outlet 1132. Repeat the above steps to achieve continuous liquid concentration, filtration and recovery.

[0047] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An organic liquid fertilizer concentration device, characterized in that: It includes a concentration tank, a condensing device and a recovery device. The bottom of the condensing device is connected to one side of the filter chamber, and the other side of the filter chamber is connected to the bottom of the recovery device. The top of the concentration tank is connected to the condensing device, and the recovery device is connected to the side of the concentration tank. A stirring shaft is arranged inside the concentration tank, and the stirring shaft passes through the top of the concentration tank and is connected to a motor. The condensing device includes a condenser and a liquid receiving tank.

2. The organic liquid fertilizer concentration device according to claim 1, characterized in that: The filter chamber includes a first filter chamber, a second filter chamber, and a third filter chamber. The first filter chamber is movably connected to a filter bed. The filter bed is provided with 4 layers of filter screens. The filter screens are arranged at intervals to form 3 layers of gaps. The lower layer is activated carbon, the middle layer is a fine mesh filter, and the upper layer is a precision filtering component. The filter screen at the lower end of the filter bed prevents the filter medium from falling, and the filter screen at the upper end of the filter bed prevents the filter medium from being discharged with the fluid.

3. The organic liquid fertilizer concentration device according to claim 2, characterized in that: The interior of the first filter chamber is located above the filter bed and is connected to the second filter chamber. A barrier wall is provided on the side of the second filter chamber away from the first filter chamber. The barrier wall and the side walls of the second filter chamber form a guide channel. The inner wall of the second filter chamber is connected to the dosing port.

4. The organic liquid fertilizer concentration device according to claim 3, characterized in that: The top of the side wall of the second filter chamber away from the first filter chamber is connected to the third filter chamber. The side wall of the third filter chamber away from the second filter chamber is provided with a water outlet, the water outlet is connected to the bottom of the recovery device, and a cation exchange layer is provided between the water outlet and the third filter chamber.

5. The organic liquid fertilizer concentration device according to claim 4, characterized in that: The filter chambers include a first filter chamber, a second filter chamber, and a third filter chamber, and sewage outlets are arranged at the bottoms of the first filter chamber, the second filter chamber, and the third filter chamber.

6. The organic liquid fertilizer concentration device according to claim 1, characterized in that: A plurality of heating tubes are vertically arranged in the recovery device, a steam outlet is arranged on the top of the recovery device, the steam outlet is connected to a steam pipe, a valve is arranged on the steam pipe, the other end of the steam pipe penetrates into the upper part of the recovery device, the steam pipe extends along the inner wall of the recovery device for several circles, passes through the recovery device and then connects to the concentration tank.

7. The organic liquid fertilizer concentration device according to claim 1, characterized in that: The top of the concentration tank is connected to a separator, and the other end of the separator is connected to a condensing device.

8. The organic liquid fertilizer concentration device according to claim 1, characterized in that: A valve is arranged between the condensing device and the filtering chamber, and a valve is arranged between the filtering chamber and the recovery device.

9. An organic liquid fertilizer concentration process based on the organic liquid fertilizer concentration equipment according to any one of claims 1 to 8, characterized in that: Step 1: Start the motor in the concentration tank to make the stirring shaft start working to evenly heat and stir the organic liquid fertilizer in the tank; Step 2: Start the recovery device, heat and evaporate the liquid in the recovery device through the heating pipe, and the evaporated steam enters the steam pipe through the steam outlet. The recovery device heats the steam in the steam pipe again and sends it back to the concentration tank; Step 3: Steam heats the organic liquid fertilizer in the concentration tank, and the resulting mixed steam enters the condensation device through the separator. The steam is condensed into liquid through the condenser and collected in the liquid receiving tank. The valve between the bottom of the liquid receiving tank and the filter chamber is opened to allow the liquid to flow into the filter chamber; Step 4: The liquid first enters the first filter chamber and undergoes multi-stage filtration through activated carbon, fine mesh filters, and precision filtration components; Step 5: The filtered liquid rises to the second filter chamber, and necessary chemicals can be added through the dosing port for further treatment; Step 6: After passing through the guide channel of the second filter chamber, the liquid enters the third filter chamber; after the third filter chamber completes the final cleaning treatment, it enters the water outlet through the cation exchange layer and flows into the recovery device, and the above steps are repeated.

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