A preparation device and preparation method of functional plant carbon source

Abstract

The present invention discloses a preparation device and preparation method of a functional plant carbon source, including a guillotine-type pulverizer, a dewaxing device, a drying machine, a hammer-type pulverizer, a raw material tank, a fermentation tank, a quality-improving tank, a filter, a plant carbon source stock liquid storage tank and a filling platform arranged in sequence, the dewaxing device includes a dewaxing box, a box cover arranged at the top of the dewaxing box, a straw material-selecting component arranged at the bottom of the box cover and a plurality of lamps, a heater arranged at the bottom of the inner wall of the dewaxing box, a drain plate arranged in the dewaxing box, and a driving component symmetrically arranged on both sides of the dewaxing box; a flow control liquid inlet component is arranged at the feed end of the raw material tank, and the discharge end of the raw material tank is connected to the fermentation tank through a pipeline; a water cooling component is arranged at the bottom of the side wall of the fermentation tank, a temperature control oxygen supply component is arranged at the bottom of the fermentation tank, and the discharge end of the fermentation tank is connected to the quality-improving tank through a pipeline; a stirring oxygen supply device with an execution end extending to the quality-improving tank is arranged at the top of the quality-improving tank. The present invention is a preparation device and preparation method that is convenient for green and environmentally friendly production of carbon sources.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of sewage treatment, and specifically relates to a preparation device and a preparation method of a functional plant carbon source. Background Art

[0002] At present, domestic sewage treatment plants generally use fast carbon sources, slow carbon sources and cellular substances for denitrification. These traditional carbon sources have low denitrification efficiency and are unstable in actual applications.

[0003] According to the preparation device of a compound plant carbon source ZTFN-1 provided by the patent document with application number CN202120040102.1, the product includes a raw material supply system, a ratio concentration preparation tank and a storage and dosing tank. The top outer wall of the ratio concentration preparation tank is provided with a motor, and the output shaft of the motor is connected to a rotating rod through a coupling. A stirring rod is welded on both sides of the outer wall of the rotating rod, and the stirring rod is a wavy structure. A groove is provided on one side of the outer wall of the stirring rod, and equidistantly distributed broken blocks are welded on both sides of the outer wall of the stirring rod. The broken blocks are structures of different sizes and structures. The inner wall of the ratio concentration preparation tank is provided with a filter plate, and the bottom inner wall of the ratio concentration preparation tank is provided with a heater. This product can replace traditional carbon sources, and the denitrification efficiency is higher than that of traditional carbon sources; no additional explosion-proof, poison-proof and flame-proof storage space is required.

[0004] The product in the above patent can replace traditional carbon sources, and has higher denitrification efficiency than traditional carbon sources; it does not require additional explosion-proof, poison-proof and flame-proof storage space, but it is not convenient for green and environmentally friendly production of carbon sources. Summary of the invention

[0005] The present invention mainly provides a preparation device and a preparation method of a functional plant carbon source, so as to solve the technical problems raised in the above background technology.

[0006] The technical solution adopted by the present invention to solve the above technical problems is:

[0007] A preparation device for a functional plant carbon source, comprising a chopping mill, a dewaxing device, a drying machine, a hammer mill, a raw material tank, a fermentation tank, a quality-improving tank, a filter, a plant carbon source stock liquid storage tank and a filling platform arranged in sequence, wherein the dewaxing device comprises a dewaxing box, a box cover arranged on the top of the dewaxing box, a driving cylinder arranged on the side wall of the dewaxing box and used for driving the box cover to rise and fall, a straw material-moving component and a plurality of lamps arranged at the bottom of the box cover, a heater arranged at the bottom of the inner wall of the dewaxing box, a drain plate arranged in the dewaxing box, and driving components symmetrically arranged on both sides of the dewaxing box and used for driving the drain plate to rise and fall;

[0008] The feed end of the raw material tank is provided with a flow control liquid inlet component, the top of the raw material tank is provided with a first mixer with an execution end extending into the raw material tank, and the discharge end of the raw material tank is connected to the fermentation tank through a pipeline;

[0009] The top of the fermentation tank is provided with a second mixer with an execution end extending into the fermentation tank, the bottom of the side wall of the fermentation tank is provided with a water cooling component, the bottom of the fermentation tank is provided with a temperature control and oxygen supply component, and the discharge end of the fermentation tank is connected to the quality improvement tank through a pipeline;

[0010] The top of the quality-improving tank is provided with a stirring and oxygen-supplying device with an execution end extending into the quality-improving tank.

[0011] Preferably, the straw material shifting component comprises a linear guide rail symmetrically arranged at the bottom of the box cover, and an L-shaped material shifting plate whose two ends are connected to the execution end of the linear guide rail through a vertical plate. In this preferred embodiment, the straw material shifting component is used to facilitate the shifting of rice straw so as to facilitate the uniform dewaxing of rice straw.

[0012] Preferably, the driving component includes a positioning box connected to the side wall of the dewaxing box, a driving motor disposed on the top of the positioning box, and a screw disposed at the execution end of the driving motor and connected to the drain plate by a screw nut. In this preferred embodiment, the driving component is used to facilitate the lifting and lowering of the drain plate so as to facilitate the overall removal of the rice straw.

[0013] Preferably, the flow control and liquid inlet component includes a feed pipe with one end connected to the side wall of the raw material tank, a funnel tube arranged vertically and with the bottom end connected to the outer wall of the feed pipe, a support frame arranged at the top of the funnel tube, a material pressing block arranged at the bottom of the support frame, a telescopic cylinder at the top and used to drive the material pressing block to rise and fall, a liquid storage box arranged on the ground and connected to the feed pipe through a pipeline away from one end of the raw material tank, a booster pump and a water source pipe arranged on the outer wall of the liquid storage box, and a flow sensor arranged on the outer wall of the water source pipe. In this preferred embodiment, the flow control and liquid inlet component facilitates the measurement of the corresponding amount of water according to the amount of crushed rice straw, and facilitates the use of water flow to move the crushed rice straw into the raw material tank.

[0014] Preferably, the water cooling component includes a plurality of I-shaped heat conducting plates penetrating the side wall of the fermentation tank, an outer cover plate provided on the outer wall of the fermentation tank and covering the outer wall of the I-shaped heat conducting plates, and a cooling liquid inlet pipe and a cooling liquid outlet pipe connected to the outer cover plate. In this preferred embodiment, the water cooling component facilitates cooling the fermentation tank after fermentation.

[0015] Preferably, the temperature-controlled oxygen supply component includes a sterile oxygen supply pipe with one end connected to the bottom of the fermenter, an electric control valve and a heat-insulating cover pipe arranged on the outer wall of the sterile oxygen supply pipe in sequence, a spiral heating pipe arranged in the heat-insulating cover pipe and sleeved on the outer wall of the sterile oxygen supply pipe, and a temperature sensor arranged on the inner wall of the sterile oxygen supply pipe and located in the heat-insulating cover pipe. In this preferred embodiment, the temperature-controlled oxygen supply component facilitates the supply of sterile oxygen at a suitable temperature into the fermenter.

[0016] Preferably, the stirring oxygen supply device includes a positioning frame arranged on the top of the quality-improving tank, a shaft tube whose side wall is rotatably connected to the positioning frame and whose bottom end extends into the quality-improving tank, a plurality of oxygen supply stirring rods whose one end is connected to the side wall of the shaft tube and is located in the quality-improving tank, and an air supply pipe arranged on the top of the positioning frame and covered on the outside of the shaft tube. In this preferred embodiment, the stirring oxygen supply device facilitates stirring the material in the quality-improving tank and supplying a trace amount of oxygen at the same time.

[0017] Preferably, a transmission component for driving the shaft tube to rotate is provided on the upper surface of the quality-improving tank, and the transmission component includes a gear plate sleeved on the outer wall of the shaft tube, a stepper motor provided on the upper surface of the quality-improving tank, and a driving gear plate provided on the execution end of the stepper motor and meshing with the gear plate. In this preferred embodiment, the shaft tube is driven to rotate by the transmission component.

[0018] According to the technical solution of the above-mentioned device for preparing a functional plant carbon source, a method for preparing the device for preparing a functional plant carbon source is also provided, comprising the following steps:

[0019] Step 1: Cutting: using a chopping grinder to cut the rice straw into short rice straws with a length of 100 mm;

[0020] Step 2: dewaxing, using a dewaxing device to remove the wax layer on the surface of the cut short rice straws;

[0021] Step 3: drying: using a drying machine to dry the dewaxed rice short straw;

[0022] Step 4: crushing, feeding the dried rice short stalks into a hammer mill, and crushing the dried rice short stalks by the hammer mill;

[0023] Step 5, pre-fermentation, the crushed rice straw is weighed and added to the raw material tank through the flow control liquid inlet component, the flow control liquid inlet component adds water proportional to the weight of the crushed rice straw into the raw material tank, the first mixer is used for stirring, and the material is moved into the fermentation tank after mixing for a unit time;

[0024] Step 6, fermentation, adding biological humic acid and enzyme agent into the fermentation tank and stirring, supplying sterile oxygen into the fermentation tank through the temperature control and oxygen supply component, cooling the fermentation tank with a water cooling component after the fermentation unit time, and moving the material into the quality improvement tank after the cooling is completed;

[0025] Step 7, quality improvement, using a stirring and oxygen supply device to stir and supply oxygen to achieve sub-anaerobic fermentation, and adding a plant carbon source quality improvement agent and alkali solution after the fermentation is completed, stopping stirring after a unit of anaerobic fermentation time, and after the material is precipitated, the precipitated supernatant is the plant carbon source solution;

[0026] Step eight, post-processing, the plant carbon source solution in the quality improvement tank is discharged into the filter and after being filtered by the filter, it enters the plant carbon source stock solution storage tank for storage. The filter includes an outer shell tank, and a filter plate, a supporting layer and a filtering layer arranged in the outer shell tank from top to bottom. The supporting layer is quartz sand with a particle size of 2 to 4 mm and a thickness of 200 mm. The filtering layer is a fruit shell filter material with a particle size of 0.95 to 1.35 mm and a thickness of 1,500 mm.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The preparation device and preparation method of the present invention use rice straw as raw material to prepare plant carbon source, which is green and environmentally friendly, and the preparation process consumes low energy;

[0029] The straw shifting component facilitates the shifting of rice straw for uniform dewaxing of the rice straw, the driving component facilitates the lifting and lowering of the drain plate for the overall removal of the rice straw, the flow control and liquid inlet component facilitates the measurement of the corresponding amount of water according to the amount of crushed rice straw, and facilitates the use of water flow to move the crushed rice straw into the raw material tank, the water cooling component facilitates the cooling of the fermentation tank after fermentation, the temperature control and oxygen supply component facilitates the supply of sterile oxygen at a suitable temperature into the fermentation tank, the stirring and oxygen supply device facilitates the stirring of the material in the quality improvement tank and the supply of a trace amount of oxygen, and the transmission component facilitates the driving of the shaft tube to rotate.

[0030] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is an axonometric diagram of the raw material tank, fermentation tank and quality improvement tank structure of the present invention;

[0032] Figure 2 It is an axonometric diagram of the dewaxing device structure of the present invention;

[0033] Figure 3 It is an exploded view of the dewaxing device structure of the present invention;

[0034] Figure 4 It is an exploded view of the raw material tank, fermentation tank and upgrading tank structure of the present invention;

[0035] Figure 5 It is a top view of the raw material tank, fermentation tank and quality improvement tank structure of the present invention;

[0036] Figure 6 It is a cross-sectional view of the raw material tank, fermentation tank and quality improvement tank structure of the present invention;

[0037] Figure 7 It is a cross-sectional view of the driving component structure of the present invention;

[0038] Figure 8 It is a cross-sectional view of the structure of the dewaxing device of the present invention.

[0039] Description of the drawings: 10, dewaxing device; 11, dewaxing box; 12, box cover; 13, driving cylinder; 14, straw material shifting component; 141, linear guide; 142, L-shaped material shifting plate; 15, lamp tube; 16, heater; 17, drain plate; 18, driving component; 181, positioning box; 182, driving motor; 183, screw rod; 20, raw material tank; 21, flow control liquid inlet component; 211, feed pipe; 212, funnel pipe; 213, support frame; 214, material briquetting; 215, telescopic cylinder; 216, liquid storage box; 217, booster pump; 218, water source pipe; 219, flow sensor device; 22, the first mixer; 30, the fermentation tank; 31, the water-cooling component; 311, the I-shaped heat conducting plate; 312, the outer cover plate; 313, the cooling liquid inlet pipe; 314, the cooling liquid outlet pipe; 32, the temperature-controlled oxygen supply component; 321, the sterile oxygen supply pipe; 322, the electric control valve; 323, the insulation cover pipe; 324, the spiral heating pipe; 325, the temperature sensor; 40, the quality improvement tank; 50, the stirring oxygen supply device; 51, the positioning frame; 52, the shaft tube; 53, the oxygen supply stirring rod; 54, the air supply pipe; 55, the transmission component; 551, the gear plate; 552, the stepping motor; 553, the driving gear plate. DETAILED DESCRIPTION

[0040] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0041] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0043] Please refer to the attached Figure 2 , 3 As shown in Figures 7 and 8, in a preferred embodiment of the present invention, a functional plant carbon source preparation device comprises a chopping mill, a dewaxing device 10, a dryer, a hammer mill, a raw material tank 20, a fermentation tank 30, a quality improvement tank 40, a filter, a plant carbon source stock liquid storage tank and a filling platform which are arranged in sequence, wherein the dewaxing device 10 comprises a dewaxing box 11, a box cover 12 arranged on the top of the dewaxing box 11, a driving cylinder 13 arranged on the side wall of the dewaxing box 11 and used for driving the box cover 12 to rise and fall, a straw material shifting component 14 arranged at the bottom of the box cover 12, and a plurality of lamps 15 arranged at the bottom of the inner wall of the dewaxing box 11. The heater 16 is provided in the dewaxing box 11, and the driving component 18 is symmetrically provided on both sides of the dewaxing box 11 and used for driving the drain plate 17 to rise and fall; the straw material-moving component 14 includes a linear guide rail 141 symmetrically provided at the bottom of the box cover 12, and an L-shaped material-moving plate 142 whose two ends are respectively connected to the execution end of the linear guide rail 141 by vertical plates, the driving component 18 includes a positioning box 181 connected to the side wall of the dewaxing box 11, a driving motor 182 provided at the top of the positioning box 181, and a screw rod 183 provided at the execution end of the driving motor 182 and connected to the drain plate 17 by a nut.

[0044] It should be noted that, in the present embodiment, during preparation, the rice straw is firstly cut into short rice straws of 100 mm in length by a chopping type pulverizer, and then the wax layer on the surface of the cut short rice straws is removed by a dewaxing device 10, and the dewaxed short rice straws enter a drying machine, the drying temperature is 80 to 85 degrees Celsius, and the drying time is 30 minutes, and the dried short rice straws are sent to a hammer type pulverizer, and fed into a pulverizing chamber through a feed port, and the straws are pulverized to a certain extent under the high-speed rotating impact of the hammers, and at the same time, the materials are thrown onto the toothed plate and the screen plate fixed in the pulverizing chamber at a relatively high speed, and are further pulverized under the dual effects of the collision of the toothed plate and the rubbing of the screen plate, and the straw pulverization can be repeated in the pulverizing chamber until the materials can pass through the sieve holes, and the particle size of the short rice straws after pulverization is 1 to 2 mm;

[0045] Furthermore, during dewaxing, the box cover 12 is moved upward by driving the cylinder 13, short rice straws and water are added into the dewaxing box 11, the box cover 12 is closed, the heater 16 and the lamp 15 are turned on, the water temperature is controlled to be 35 to 80 degrees Celsius, and the rice straws are soaked for 6 to 7 hours, and the wax layer on the rice straws is removed under the above light and temperature.

[0046] Furthermore, during dewaxing, the linear guide rail 141 drives the L-shaped material shifting plate 142 to move the rice straw so as to evenly heat and illuminate the rice straw;

[0047] Furthermore, after dewaxing is completed, the box cover 12 moves up, the actuator end of the driving motor 182 drives the screw rod 183 to rotate, the screw rod 183 drives the drain plate 17 to move up, and the drain plate 17 moves the rice straw out of the dewaxing box 11.

[0048] Please refer to the attached Figure 1 , 5 As shown in Figures 6 and 7, in another preferred embodiment of the present invention, a flow control and liquid inlet component 21 is provided at the feed end of the raw material tank 20, a first mixer 22 with an execution end extending into the raw material tank 20 is provided at the top of the raw material tank 20, and a discharge end of the raw material tank 20 is connected to the fermentation tank 30 through a pipeline; the flow control and liquid inlet component 21 includes a feed pipe 211 with one end connected to the side wall of the raw material tank 20, a funnel pipe 212 which is vertically arranged and the bottom end of which is connected to the outer wall of the feed pipe 211, a support frame 213 provided at the top of the funnel pipe 212, a material pressing block 214 provided at the bottom of the support frame 213, a telescopic cylinder 215 at the top and used to drive the material pressing block 214 to rise and fall, a liquid storage box 216 provided on the ground and connected to the feed pipe 211 through a pipeline and away from one end of the raw material tank 20, a booster pump 217 and a water source pipe 218 provided on the outer wall of the liquid storage box 216, and a flow sensor 219 provided on the outer wall of the water source pipe 218.

[0049] It should be noted that, in the present embodiment, the crushed rice straw is weighed and then added to the raw material tank 20 through the flow control liquid inlet component 21, and the flow control liquid inlet component 21 adds water proportional to the weight of the crushed rice straw into the raw material tank 20, and the amount of water is 46% to 50% of the amount of the rice straw. The first mixer 22 is stirred, and the material is moved into the fermentation tank 30 after mixing for a unit time. During stirring, the speed of the first mixer 22 is 31 to 43 revolutions per minute, and the stirring mode is intermittent, stirring once every four hours, and the single stirring time is ten minutes;

[0050] Furthermore, when the flow control liquid inlet component 21 is working, the weighed crushed rice straw is added to the funnel tube 212, and the weight information is input into the controller, the controller turns on the water source system connected to the water source pipe 218, and the flow sensor 219 transmits the flow information to the controller until the product of the flow information and the time is consistent with the amount of water to be added. The controller then turns off the water source system connected to the water source pipe 218, the booster pump 217 pressurizes the liquid storage box 216, and the material pressing block 214 drives the crushed rice straw downward under the action of the telescopic cylinder 215, and the water flow drives the crushed rice straw into the raw material tank 20.

[0051] Please refer to the attached Figure 1 , 4, 5, and 6, in another preferred embodiment of the present invention, the top of the fermentation tank 30 is provided with a second stirrer with an execution end extending into the fermentation tank 30, the bottom of the side wall of the fermentation tank 30 is provided with a water cooling component 31, the bottom of the fermentation tank 30 is provided with a temperature control and oxygen supply component 32, and the discharge end of the fermentation tank 30 is connected to the quality improvement tank 40 through a pipeline; the top of the quality improvement tank 40 is provided with a stirring and oxygen supply device 50 with an execution end extending into the quality improvement tank 40, and the water cooling component 31 includes A plurality of I-shaped heat conducting plates 311 are provided through the side wall of the fermentation tank 30, an outer cover plate 312 is provided on the outer wall of the fermentation tank 30 and covers the outer wall of the I-shaped heat conducting plate 311, and a cooling liquid inlet pipe 313 and a cooling liquid outlet pipe 314 are connected to the outer cover plate 312, the temperature control oxygen supply component 32 includes a sterile oxygen supply pipe 321 with one end connected to the bottom of the fermentation tank 30, an electric control valve 322 and a heat preservation cover pipe 323 are provided in sequence on the outer wall of the sterile oxygen supply pipe 321 , a spiral heating tube 324 arranged in the heat preservation cover tube 323 and sleeved on the outer wall of the sterile oxygen supply tube 321, and a temperature sensor 325 arranged on the inner wall of the sterile oxygen supply tube 321 and located in the heat preservation cover tube 323, the stirring oxygen supply device 50 includes a positioning frame 51 arranged on the top of the quality improvement tank 40, a shaft tube 52 with a side wall rotatably connected to the positioning frame 51 and a bottom end extending into the quality improvement tank 40, one end of which is connected to the side wall of the shaft tube 52 and located in the quality improvement tank 40 There are multiple oxygen supply stirring rods 53 inside, and an air supply pipe 54 arranged on the top of the positioning frame 51 and covered on the outside of the shaft tube 52. The upper surface of the quality improvement tank 40 is provided with a transmission component 55 for driving the shaft tube 52 to rotate. The transmission component 55 includes a gear plate 551 sleeved on the outer wall of the shaft tube 52, a stepper motor 552 arranged on the upper surface of the quality improvement tank 40, and a driving gear plate 553 arranged at the execution end of the stepper motor 552 and meshing with the gear plate 551.

[0052] It should be noted that, in the present embodiment, biological humic acid accounting for 2% of the effective volume of the fermentation tank 30 and enzyme agent accounting for 1% of the effective volume of the fermentation tank 30 are added to the fermentation tank 30 through the dosing pipeline and stirred. During stirring, the speed of the second stirrer is 45 to 60 revolutions per minute, and sterile oxygen is supplied to the fermentation tank 30 through the temperature control oxygen supply component 32. The oxygen content in the fermentation tank 30 is controlled at 5% to 10%, and the temperature is controlled at 55 to 65 degrees Celsius. The fermentation time is 24 to 36 hours. After fermentation for 24 to 30 hours, the fermentation tank 30 is cooled by the water cooling component 31 and the material is moved into the quality improvement tank 40 after the cooling is completed. When cooling, the material needs to be cooled to 35 to 40 degrees Celsius.

[0053] A stirring and oxygen supplying device 50 is used for stirring and oxygen supply to realize sub-anaerobic fermentation, and a plant carbon source quality-improving agent and an alkali solution are added after the fermentation is completed. The plant carbon source quality-improving agent accounts for 5% of the effective volume of the quality-improving tank 40. The fermentation time is 36 to 48 hours. After anaerobic fermentation for 36 to 42 hours, the stirring is stopped. After the material is precipitated, the precipitated supernatant is the plant carbon phytosol solution. The plant carbon source quality-improving agent is composed of Candida utilis, Bacillus thermophilus, Dexerella, Bacillus subtilis, and Bacillus megaterium. The ratio of their activated bacteria is 3.5:3:2.5:2:1.5, and they are obtained through basic culture, primary culture, mixed culture, fermentation culture, drying, screening and other processes; the alkali solution is a NaOH solution, and the pH value is maintained at 6 to 8. The oxygen content in the quality-improving tank 40 is controlled to be 0.5% to 1%, and the temperature is 35 to 40 degrees Celsius;

[0054] The plant carbon source solution in the quality improvement tank 40 is discharged into the filter and after being filtered by the filter, it enters the plant carbon source stock solution storage tank for storage. The stock solution in the plant carbon source stock solution storage tank is discharged from the stock solution outlet pipe and the filling metering pump inlet pipe connected thereto and installed on the filling platform, through the filling metering pump and the filling metering pump outlet pipe, into the stock solution tank transport vehicle and transported to the addition site.

[0055] Furthermore, when the water-cooling component 31 is working, cooling liquid is added into the outer cover plate 312 through the cooling liquid inlet pipe 313, and the heat in the fermentation tank 30 is conducted out through the I-shaped heat conducting plate 311, and the cooling liquid takes away the conducted heat to complete the cooling, and the cooling liquid is discharged through the cooling liquid outlet pipe 314;

[0056] Furthermore, when the temperature control oxygen supply component 32 is working, the controller receives the temperature data of the temperature sensor 325 and triggers the spiral heating tube 324 until the temperature data is consistent with the set value, and sterile oxygen at a suitable temperature enters the fermentation tank 30 through the sterile oxygen supply tube 321;

[0057] Furthermore, when the stirring oxygen supply device 50 is working, the execution end of the stepping motor 552 drives the driving gear plate 553 to rotate, and the driving gear plate 553 drives the shaft tube 52 to rotate through the gear plate 551, and the shaft tube 52 is stirred by the oxygen supply stirring rod 53. When supplying oxygen, sterile oxygen enters the quality improvement tank 40 after passing through the air supply pipe 54, the shaft tube 52 and the oxygen supply stirring rod 53.

[0058] According to the above embodiments, a method for preparing a functional plant carbon source preparation device is also provided, comprising the following steps:

[0059] Step 1: Cutting: using a chopping grinder to cut the rice straw into short rice straws with a length of 100 mm;

[0060] Step 2: dewaxing, using a dewaxing device 10 to remove the wax layer on the surface of the cut short rice straws;

[0061] Step 3: drying: using a drying machine to dry the dewaxed rice short straw;

[0062] Step 4: crushing, feeding the dried rice short stalks into a hammer mill, and crushing the dried rice short stalks by the hammer mill;

[0063] Step 5, pre-fermentation, the crushed rice straw is weighed and added to the raw material tank 20 through the flow control liquid inlet component 21, the flow control liquid inlet component 21 adds water proportional to the weight of the crushed rice straw into the raw material tank 20, the first mixer 22 stirs, and after mixing for a unit time, the material is moved into the fermentation tank 30;

[0064] Step 6, fermentation, adding biological humic acid and enzyme agent into the fermentation tank 30 and stirring, supplying sterile oxygen into the fermentation tank 30 through the temperature control oxygen supply component 32, cooling the fermentation tank 30 by the water cooling component 31 after the fermentation unit time, and moving the material into the quality improvement tank 40 after the cooling is completed;

[0065] Step 7, quality improvement, using the stirring and oxygen supplying device 50 to stir and supply oxygen to achieve sub-anaerobic fermentation, and adding the plant carbon source quality improving agent and alkali solution after the fermentation is completed, and stopping stirring after the anaerobic fermentation unit time, and after the material is precipitated, the precipitated supernatant is the plant carbon source solution;

[0066] Step eight, post-processing, the plant carbon source solution in the quality improvement tank 40 is discharged into the filter and after being filtered by the filter, it enters the plant carbon source stock solution storage tank for storage. The filter includes an outer shell tank, and a filter plate, a supporting layer and a filtering layer arranged in the outer shell tank from top to bottom. The supporting layer is quartz sand with a particle size of 2 to 4 mm and a thickness of 200 mm. The filtering layer is a fruit shell filter material with a particle size of 0.95 to 1.35 mm and a thickness of 1,500 mm.

[0067] The specific process of the present invention is as follows:

[0068] The controller model is "6ES7315-2EH14-0AB0", the flow sensor 219 model is "JSLDG", and the temperature sensor 325 model is "CL-M53R".

[0069] During the preparation, the rice straw is firstly cut into short rice straws with a length of 100 mm by using a chopping type pulverizer, and then the wax layer on the surface of the cut short rice straws is removed by using a dewaxing device 10. The dewaxed short rice straws enter a drying machine, and the drying temperature is 80 to 85 degrees Celsius, and the drying time is 30 minutes. The dried short rice straws are sent to a hammer type pulverizer and fed into a pulverizing chamber through a feed port. The straws are pulverized to a certain extent under the high-speed rotating impact of the hammers. At the same time, the materials are thrown onto the toothed plate and the screen plate fixed in the pulverizing chamber at a relatively high speed, and are further pulverized under the dual effects of the collision of the toothed plate and the rubbing of the screen plate. The straw pulverization can be repeated in the pulverizing chamber until the materials can pass through the sieve holes. The particle size of the pulverized short rice straws is 1 to 2 mm.

[0070] During dewaxing, the box cover 12 is moved upward by driving the cylinder 13, short rice straws and water are added into the dewaxing box 11, the box cover 12 is closed, the heater 16 and the lamp 15 are turned on, the water temperature is controlled to be 35 to 80 degrees Celsius, and the rice straws are soaked for 6 to 7 hours, and the wax layer on the rice straws is removed under the above light and temperature.

[0071] During dewaxing, the linear guide rail 141 drives the L-shaped material shifting plate 142 to move the rice straw so as to evenly heat and illuminate the rice straw.

[0072] After dewaxing is completed, the box cover 12 moves up, the actuator end of the driving motor 182 drives the screw rod 183 to rotate, the screw rod 183 drives the drain plate 17 to move up, and the drain plate 17 moves the rice straw out of the dewaxing box 11;

[0073] The crushed rice straw is weighed and then added to the raw material tank 20 through the flow control liquid inlet component 21. The flow control liquid inlet component 21 adds water proportional to the weight of the crushed rice straw into the raw material tank 20, and the amount of water is 46% to 50% of the amount of the rice straw. The first mixer 22 is stirred. After mixing for a unit time, the material is moved into the fermentation tank 30. During stirring, the speed of the first mixer 22 is 31 to 43 revolutions per minute. The stirring mode is intermittent, stirring once every four hours, and the single stirring time is ten minutes.

[0074] When the flow control and liquid inlet component 21 is working, the weighed crushed rice straw is added to the funnel tube 212, and the weight information is input into the controller, the controller turns on the water source system connected to the water source pipe 218, and the flow sensor 219 transmits the flow information to the controller until the product of the flow information and the time is consistent with the amount of water to be added, the controller turns off the water source system connected to the water source pipe 218, the booster pump 217 pressurizes the liquid storage box 216, the material block 214 drives the crushed rice straw to move downward under the action of the telescopic cylinder 215, and the water flow drives the crushed rice straw into the raw material tank 20;

[0075] Add biological humic acid accounting for 2% of the effective volume of the fermentation tank 30 and enzyme agent accounting for 1% of the effective volume of the fermentation tank 30 into the fermentation tank 30 through the dosing pipeline and stir. During stirring, the speed of the second stirrer is 45 to 60 revolutions per minute. Sterile oxygen is supplied to the fermentation tank 30 through the temperature control oxygen supply component 32. The oxygen content in the fermentation tank 30 is controlled at 5% to 10%, and the temperature is controlled at 55 to 65 degrees Celsius. The fermentation time is 24 to 36 hours. After fermentation for 24 to 30 hours, the fermentation tank 30 is cooled by the water cooling component 31 and the material is moved into the quality improvement tank 40 after the cooling is completed. The material needs to be cooled to 35 to 40 degrees Celsius during the cooling.

[0076] A stirring and oxygen supplying device 50 is used for stirring and oxygen supply to realize sub-anaerobic fermentation, and a plant carbon source quality-improving agent and an alkali solution are added after the fermentation is completed. The plant carbon source quality-improving agent accounts for 5% of the effective volume of the quality-improving tank 40. The fermentation time is 36 to 48 hours. After anaerobic fermentation for 36 to 42 hours, the stirring is stopped. After the material is precipitated, the precipitated supernatant is the plant carbon phytosol solution. The plant carbon source quality-improving agent is composed of Candida utilis, Bacillus thermophilus, Dexerella, Bacillus subtilis, and Bacillus megaterium. The ratio of their activated bacteria is 3.5:3:2.5:2:1.5, and they are obtained through basic culture, primary culture, mixed culture, fermentation culture, drying, screening and other processes; the alkali solution is a NaOH solution, and the pH value is maintained at 6 to 8. The oxygen content in the quality-improving tank 40 is controlled to be 0.5% to 1%, and the temperature is 35 to 40 degrees Celsius;

[0077] The plant carbon source solution in the quality improvement tank 40 is discharged into the filter and after being filtered by the filter, it enters the plant carbon source stock solution storage tank for storage. The stock solution in the plant carbon source stock solution storage tank is discharged from the stock solution outlet pipe and the filling metering pump inlet pipe connected thereto and installed on the filling platform, through the filling metering pump and the filling metering pump outlet pipe, into the stock solution tank transport vehicle and transported to the addition site.

[0078] When the water-cooling component 31 is working, cooling liquid is added into the outer cover plate 312 through the cooling liquid inlet pipe 313, and the heat in the fermentation tank 30 is conducted out through the I-shaped heat conducting plate 311, and the cooling liquid takes away the conducted heat to complete the cooling, and the cooling liquid is discharged through the cooling liquid outlet pipe 314;

[0079] When the temperature control and oxygen supply component 32 is working, the controller receives the temperature data from the temperature sensor 325 and triggers the spiral heating tube 324 until the temperature data is consistent with the set value, and sterile oxygen at a suitable temperature enters the fermentation tank 30 through the sterile oxygen supply tube 321;

[0080] When the stirring oxygen supply device 50 is working, the execution end of the stepping motor 552 drives the driving gear plate 553 to rotate, and the driving gear plate 553 drives the shaft tube 52 to rotate through the gear plate 551, and the shaft tube 52 is stirred by the oxygen supply stirring rod 53. When supplying oxygen, sterile oxygen enters the quality improvement tank 40 after passing through the air supply pipe 54, the shaft tube 52 and the oxygen supply stirring rod 53.

[0081] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A preparation device for a functional plant carbon source, comprising a chopping mill, a dewaxing device (10), a drying machine, a hammer mill, a raw material tank (20), a fermentation tank (30), a quality improvement tank (40), a filter, a plant carbon source stock solution storage tank and a filling platform, which are arranged in sequence, characterized in that The dewaxing device (10) comprises a dewaxing box (11), a box cover (12) arranged on the top of the dewaxing box (11), a driving cylinder (13) arranged on the side wall of the dewaxing box (11) and used to drive the box cover (12) to rise and fall, a straw material shifting component (14) and a plurality of lamps (15) arranged at the bottom of the box cover (12), a heater (16) arranged at the bottom of the inner wall of the dewaxing box (11), a drain plate (17) arranged in the dewaxing box (11), and a driving component (18) symmetrically arranged on both sides of the dewaxing box (11) and used to drive the drain plate (17) to rise and fall; The feed end of the raw material tank (20) is provided with a flow control liquid inlet component (21), the top of the raw material tank (20) is provided with a first mixer (22) whose execution end extends into the raw material tank (20), and the discharge end of the raw material tank (20) is connected to the fermentation tank (30) through a pipeline; A second mixer having an execution end extending into the fermentation tank (30) is provided at the top of the fermentation tank (30); a water cooling component (31) is provided at the bottom of the side wall of the fermentation tank (30); a temperature control and oxygen supply component (32) is provided at the bottom of the fermentation tank (30); and a discharge end of the fermentation tank (30) is connected to a quality improvement tank (40) via a pipeline; A stirring and oxygen supplying device (50) having an execution end extending into the quality upgrading tank (40) is provided on the top of the quality upgrading tank (40); The straw material-moving component (14) comprises a linear guide rail (141) symmetrically arranged at the bottom of the box cover (12), and an L-shaped material-moving plate (142) whose two ends are connected to the execution end of the linear guide rail (141) through vertical plates. The driving component (18) comprises a positioning box (181) connected to the side wall of the dewaxing box (11), a driving motor (182) arranged on the top of the positioning box (181), and a screw rod (183) arranged at the execution end of the driving motor (182) and connected to the drain plate (17) by a screw nut. The flow control The liquid component (21) comprises a feed pipe (211) whose one end is connected to the side wall of the raw material tank (20), a funnel pipe (212) arranged vertically and whose bottom end is connected to the outer wall of the feed pipe (211), a support frame (213) arranged at the top of the funnel pipe (212), a material pressing block (214) arranged at the bottom of the support frame (213), a telescopic cylinder (215) at the top and used for driving the material pressing block (214) to move up and down, and a liquid storage box (216) arranged on the ground and connected to the feed pipe (211) through a pipeline and away from one end of the raw material tank (20). 216), a booster pump (217) and a water source pipe (218) arranged on the outer wall of the liquid storage box (216), and a flow sensor (219) arranged on the outer wall of the water source pipe (218), the water cooling component (31) comprising a plurality of I-shaped heat conducting plates (311) penetrating the side wall of the fermentation tank (30), an outer cover plate (312) arranged on the outer wall of the fermentation tank (30) and covering the outer wall of the I-shaped heat conducting plates (311), and a cooling liquid inlet pipe (313) connected to the outer cover plate (312); The cooling liquid outlet pipe (314) is provided, and the temperature-controlled oxygen supply component (32) comprises a sterile oxygen supply pipe (321) having one end connected to the bottom of the fermentation tank (30), an electric control valve (322) and a heat-insulating cover pipe (323) arranged in sequence on the outer wall of the sterile oxygen supply pipe (321), a spiral heating pipe (324) arranged in the heat-insulating cover pipe (323) and sleeved on the outer wall of the sterile oxygen supply pipe (321), and a temperature sensor (325) arranged on the inner wall of the sterile oxygen supply pipe (321) and located in the heat-insulating cover pipe (323).

2. The device for preparing a functional plant carbon source according to claim 1, characterized in that: The stirring oxygen supply device (50) comprises a positioning frame (51) arranged on the top of the quality-improving tank (40), an axis tube (52) whose side wall is rotatably connected to the positioning frame (51) and whose bottom end extends into the quality-improving tank (40), a plurality of oxygen supply stirring rods (53) whose one end is connected to the side wall of the axis tube (52) and is located in the quality-improving tank (40), and an air supply pipe (54) arranged on the top of the positioning frame (51) and covered on the outside of the axis tube (52).

3. The device for preparing a functional plant carbon source according to claim 2, characterized in that: The upper surface of the quality-improving tank (40) is provided with a transmission component (55) for driving the shaft tube (52) to rotate, and the transmission component (55) comprises a gear plate (551) sleeved on the outer wall of the shaft tube (52), a stepping motor (552) provided on the upper surface of the quality-improving tank (40), and a driving gear plate (553) provided at an execution end of the stepping motor (552) and meshing with the gear plate (551).

4. A method for preparing a functional plant carbon source, characterized in that: The device for preparing a functional plant carbon source according to any one of claims 1 to 3 comprises the following steps: Step 1: Cutting: using a chopping grinder to cut the rice straw into short rice straws with a length of 100 mm; Step 2: dewaxing, using a dewaxing device (10) to remove the wax layer on the surface of the cut short rice straws; Step 3: drying: using a drying machine to dry the dewaxed rice short straw; Step 4: crushing, feeding the dried rice short stalks into a hammer mill, and crushing the dried rice short stalks by the hammer mill; Step 5, pre-fermentation, the crushed rice straw is weighed and then added to the raw material tank (20) through the flow control liquid inlet component (21), the flow control liquid inlet component (21) adds water proportional to the weight of the crushed rice straw into the raw material tank (20), the first mixer (22) performs stirring, and after mixing for a unit time, the material is moved into the fermentation tank (30); Step 6: fermentation, adding biological humic acid and enzyme agent into the fermentation tank (30) and stirring, supplying sterile oxygen into the fermentation tank (30) through the temperature control and oxygen supply component (32), cooling the fermentation tank (30) by the water cooling component (31) after the fermentation unit time, and moving the material into the quality improvement tank (40) after the cooling is completed; Step 7, quality improvement, using a stirring and oxygen supply device (50) to stir and supply oxygen to achieve sub-anaerobic fermentation, and adding a plant carbon source quality improvement agent and an alkaline solution after the fermentation is completed, and stopping stirring after a unit time of anaerobic fermentation, and waiting for the material to settle, the precipitation supernatant is the plant carbon source solution, the plant carbon source quality improvement agent is composed of Candida utilis, Bacillus thermophilus, Dextriol, Bacillus subtilis, and Bacillus megaterium, and the ratio of their activated bacteria is 3.5:3:2.5:2:1.5, and the alkaline solution is a NaOH solution, so that the pH value is maintained at six to eight; Step 8, post-processing, the plant carbon source solution in the quality improvement tank (40) is discharged into the filter and filtered by the filter before entering the plant carbon source solution storage tank for storage.

5. The method for preparing a functional plant carbon source according to claim 4, characterized in that: The filter includes an outer shell tank, and a filter plate, a supporting layer and a filter layer arranged in the outer shell tank from top to bottom. The supporting layer is quartz sand with a particle size of 2 to 4 mm and a thickness of 200 mm. The filter layer is fruit shell filter material with a particle size of 0.95 to 1.35 mm and a thickness of 1,500 mm.

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