A process and device for preparing organic water-soluble fertilizer of seaweed enzymatic hydrolysis product

Abstract

The invention relates to the technical field of seaweed fertilizer preparation, in particular to a process and device for preparing an organic water-soluble fertilizer of seaweed enzymolysis products, comprising: conveying seaweed through a conveyor frame, and a scraper group arranged at the lower end of the conveyor frame, which utilizes the movement of a conveyor belt to drive a moving scraper to move and clamp the seaweed with a fixed scraper, and scrapes off surface attachments as the seaweed is conveyed; a crushing group arranged at the conveying end of the conveyor frame, which utilizes the rotation of a crushing barrel to cut the seaweed into a plurality of fragments, and utilizes a fan-shaped barrel to guide a plurality of ejecting blocks to eject the fragmented seaweed onto the conveyor belt as the crushing barrel rotates, and then the fragments are transported into a reaction tank for enzymolysis reaction, so that the seaweed enzymolysis reaction is carried out quickly and efficiently; and a brushing group arranged on the conveyor frame, which utilizes a conveyor belt and a coil to drive the seaweed to pass through a plurality of pairs of brushes and be brushed, so that the surface of the seaweed is thoroughly clean and free of dirt, thereby ensuring the cleanliness of the seaweed enzymolysis.

Description

Technical Field

[0001] The invention relates to the technical field of seaweed fertilizer preparation, and in particular to a process and a device for preparing an organic water-soluble fertilizer of seaweed enzymolysis products. Background Art

[0002] Choose seaweeds rich in organic matter and nutrients as raw materials, such as domestic kelp, Atlantic Ascophyllum, etc. These seaweeds usually contain high organic matter, such as domestic kelp with 30-40% organic matter content, Atlantic Ascophyllum extract with 50-60% organic matter content and a variety of trace elements.

[0003] Since seaweed is generally long and has many attachments on its surface, it needs to be pretreated before enzymatic hydrolysis. The seaweed must be cleaned, crushed and ground to a certain particle size so that the subsequent enzymatic hydrolysis reaction can be more complete. Summary of the invention

[0004] In order to overcome the defects in the prior art, the purpose of the present invention is to provide a process and device for preparing an organic water-soluble fertilizer from seaweed enzymatic hydrolysis products, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides a process for preparing an organic water-soluble fertilizer of seaweed enzymatic hydrolysis products, comprising the following steps:

[0006] S1, attaching one end of the sheet of seaweed to the side of the lower end of the stretched and flattened coil, and then gradually loosening the coil to make it rebound and roll up the sheet of seaweed;

[0007] S2, starting the conveying motor to drive the conveyor belt to circulate, thereby driving the coiled material to pull the sheet of seaweed to move obliquely upward along the conveying frame;

[0008] S3. The driving wheels on both sides of the lower end of the conveyor frame are driven to rotate by the belt shaft of the conveyor belt, and the friction drives the moving scraper to gather towards the fixed scraper, thereby clamping the upper and lower surfaces of the flaky seaweed to scrape off the attachments on its surface;

[0009] S4, simultaneously starting the water pump in the water tank to pump water to a plurality of pairs of brushes arranged above and below the upper layer of the conveyor belt, and then spraying water to the upper and lower surfaces of the flaky seaweed; the flaky seaweed moving along the conveyor rack is brushed again by the plurality of pairs of brushes to completely remove the attached matter;

[0010] S5, when the coiled material moves to the upper end of the conveying frame, the coiled material is unfolded to take out the sheet of seaweed, which is then conveyed to the conveyor belt;

[0011] S6, starting the feeding motor and the crushing motor, when the cleaned flaky seaweed passes under the crushing group, it is cut into several pieces by the rotating crushing cylinder wall;

[0012] S7. As the crushing barrel rotates, several ejector blocks clamped on its inner wall are guided by the fan-shaped barrel fixedly arranged on the central axis of the crushing barrel to eject the crushed seaweed out of the wall of the crushing barrel and fall onto the conveyor belt to be further transported;

[0013] S8, when all the seaweed fragments fall into the reaction tank, add water 5-10 times the weight of the seaweed, then add a mixed alkaline hydrolysis agent of potassium carbonate and potassium hydroxide, raise the temperature to 80°C-130°C for alkaline hydrolysis, and stir intermittently to convert the insoluble components in the seaweed into soluble components;

[0014] S9, separating the alkaline hydrolysis product to obtain a clear solution, adding lactic acid or acetic acid and potassium dihydrogen phosphate or ammonium dihydrogen phosphate for buffering and neutralization to reduce the pH value to below 7.5;

[0015] S10, adding a finished enzyme with the main components of degrading alginic acid and fiber, the enzyme addition ratio is 5-15% of the alginic acid content, the reaction pH value is controlled between 5-8, and enzymolysis is carried out at 40°C-50°C; the enzymolysis time is generally 12-24 hours, during which proper stirring is required to ensure uniform enzymolysis reaction;

[0016] S11, after the enzymatic hydrolysis reaction is completed, the enzymatic hydrolysis product is separated by filtration to obtain a seaweed extract liquid, thereby obtaining a pure seaweed extract;

[0017] S12, concentrating the filtered seaweed extract liquid to remove excess water, and then spray drying it through a spray drying tower, during which the seaweed extract is sprayed into tiny droplets and quickly dried into a powdery product.

[0018] The present invention also provides an organic water-soluble fertilizer preparation device for seaweed enzymatic hydrolysis products, which is used for the above-mentioned organic water-soluble fertilizer preparation process for seaweed enzymatic hydrolysis products, including using a water tank to supply water to wash flaky seaweed, an inclined conveyor frame is arranged directly above the water tank, a conveyor belt is arranged inside the conveyor frame, a conveyor motor is installed on one end side wall of the conveyor frame, and a belt shaft of the conveyor belt is coaxially connected with the conveyor motor; a support frame is placed on one side of the water tank and below the upper end of the conveyor frame, a conveyor belt is arranged on the top of the support frame, and a conveyor motor for driving the conveyor belt to move is installed on one end side wall of the support frame.

[0019] As a further improvement of the present technical solution, a scraper group is provided at the lower end of the conveyor frame, and the scraper group includes a pair of coiled members arranged on the outside of the conveyor belt, a fixed scraper installed on the top surface of the lower end of the conveyor frame, a movable scraper slidably connected to the bottom surface of the lower end of the conveyor frame, and a pair of transmission wheels embedded in the two side walls of the lower end of the conveyor frame, and the pair of transmission wheels are tightly connected to the belt shaft of the conveyor belt.

[0020] As a further improvement of the present technical solution, a brush group is arranged inside and above the conveying frame, and the brush group includes several pairs of brushes arranged along the ascending direction of the conveying frame, and several belt grooves are opened at equal intervals in the side of the conveyor belt, and several bristles are embedded in one side of the brush.

[0021] As a further improvement of the present technical solution, a crushing group is arranged above the support frame, and the crushing group includes a crushing barrel, a crushing motor for driving the crushing barrel to rotate, and a plurality of top blocks embedded in the outer wall of the crushing barrel; the central axis of the crushing barrel is sleeved with a fixed shaft, and one side of the fixed shaft is sleeved with a fan-shaped barrel, and its arc surface is arranged toward the inner wall of the crushing barrel.

[0022] As a further improvement of the present technical solution, a fixing block is symmetrically arranged on the rear end of the moving scraper, and a reset belt is bonded to the front and rear faces of the fixing block, and the reset belt is made of an elastic belt, wherein the outer end of the front reset belt is bonded to a friction block, and the outer end of the rear reset belt is provided with a sleeve and the sleeve is provided with a fixed belt pin; a countersunk hole coaxial with the belt shaft is provided on the outer side surface of the lower end of the conveying frame, a slide groove is provided on the bottom surface of the lower end of the conveying frame, and the front end of the slide groove extends to the arc end of the conveying frame and is connected to the countersunk hole, and a plurality of positioning holes are provided on the outer side surface of the lower end of the conveying frame that penetrates into the rear end of the slide groove; the transmission wheel is sleeved with the countersunk hole and its outer side surface contacts with the friction block, the fixed block is engaged and slidably connected with the slide groove, and the fixed belt pin is plug-fitted with the positioning hole.

[0023] As a further improvement of the technical solution, a limiting groove is provided on the outer side of the conveying frame and located on one side of the slide groove, and a pin is embedded in the side of the fixing block and the pin is inserted and slidably connected with the limiting groove.

[0024] As a further improvement of the present technical solution, a plurality of pairs of sockets are provided on both side surfaces of the conveying rack, and the two ends of the material brushes located inside the conveying rack are respectively plugged into the two opposite sockets, an outer side wall of the conveying rack is provided with a water pump pipe, and a water channel is provided on the width side of the material brush, a plurality of connecting pipes are plugged into the inner side surface of the water pump pipe, and the plurality of connecting pipes are correspondingly socketed with the water channels of the plurality of material brushes located on the lower layer; a clean water tank is placed at one end of the interior of the water tank, a water pump is installed on the top surface of the clean water tank, and the output end of the water pump is connected to the water pump pipe; wherein one end of each pair of material brushes away from the water pump pipe is connected to each other through a hose, and the other end of the water channels of the plurality of material brushes on the upper layer is in a sealed state.

[0025] As a further improvement of the present technical solution, a support plate is embedded in the middle inner wall of the support bracket, the upper layer of the conveyor belt is laid on the top surface of the support plate, the crushing barrel is composed of a pair of circular plates, and a number of straight cut strips are embedded in a ring-shaped manner at equal intervals between the outer edges of the pair of circular plates, a number of annular cut strips are welded at equal intervals between the straight cut strips, and a number of wall openings are formed between the straight cut strips and the annular cut strips; a support ring seat is sleeved on the outer wall of the circular plate, a transmission gear is coaxially welded to the outer wall of the circular plate, the output shaft of the crushing motor is coaxially connected to a driving gear, and the driving gear is meshed with the transmission gear.

[0026] As a further improvement of the present technical solution, the top block is clamped with the wall opening, a top rod is vertically provided on the inner side of the top block, a number of linkage rings are evenly spaced on the inner wall of the crushing barrel, and a number of guide holes for sleeve connection with the top rod are opened on the side of the linkage ring; the outer walls of the two circles of several top rods at both ends of the crushing barrel are provided with limit sleeves, a spring is sleeved on the outside of the top rod and on the inner side of the limit sleeve, and a connecting rod is welded between the several top rods along the central axis direction of the crushing barrel.

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

[0028] 1. The process and device for preparing organic water-soluble fertilizer of seaweed enzymatic hydrolysis products, wherein the seaweed is transported by a conveyor frame, and a scraper group is arranged at the lower end thereof, and the scraper is driven by the movement of the conveyor belt to clamp the seaweed with the fixed scraper, and the surface attachments are scraped off as the seaweed is transported; a crushing group is arranged at the conveying end of the conveyor frame, and the seaweed is cut into a plurality of fragments by the rotation of a crushing cylinder, and as the crushing cylinder rotates, a plurality of ejecting blocks are guided by a fan-shaped cylinder to eject the fragmented seaweed and fall onto the conveyor belt, and then the fragmented seaweed is transported to a reaction tank for enzymatic hydrolysis reaction, so that the seaweed enzymatic hydrolysis reaction is carried out quickly and efficiently.

[0029] 2. The process and device for preparing the organic water-soluble fertilizer of the seaweed enzymatic hydrolysis product use a brushing group arranged on a conveying frame, and use a conveyor belt and a coiling piece to drive the seaweed to pass through a plurality of pairs of brushes and be scrubbed, so that the surface of the seaweed is thoroughly clean and free of dirt, thereby ensuring the cleanliness of the seaweed enzymatic hydrolysis.

[0030] 3. The process and device for preparing the organic water-soluble fertilizer of the seaweed enzymatic hydrolysis product adopts a coiled material made of spring steel in sheet form and wound into a cylinder so as to unfold the coiled material to roll up the sheet seaweed, so that the seaweed can be automatically rolled up by its specific curling elastic force and stably driven to move, thereby avoiding the seaweed being damaged due to the clamping force being poorly controlled and driven by the surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the various components in the figures are only schematic, used to help understand the present invention, and are not specifically limited to the shapes and proportional dimensions of the various components of the present invention. Those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to the teachings of the present invention.

[0032] Figure 1 It is a schematic diagram of the overall assembly structure of the present invention;

[0033] Figure 2 For the present invention Figure 1 The main view;

[0034] Figure 3 It is a schematic diagram of the assembly structure of the scraper assembly and the brush assembly of the present invention;

[0035] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0036] Figure 5 For the present invention Figure 3 The main view;

[0037] Figure 6 It is the assembly and disassembly diagram of the conveying frame of the present invention;

[0038] Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in the middle;

[0039] Figure 8 It is a disassembled diagram of the scraper assembly of the present invention;

[0040] Fig. 9 It is a schematic diagram of the coil structure of the present invention;

[0041] Fig.10 This is a schematic diagram of the assembly structure of the brush assembly of the present invention;

[0042] Fig.11 It is a disassembled diagram of the support bracket assembly of the present invention;

[0043] Fig.12 This is a schematic diagram of the assembly structure of the crushing group of the present invention;

[0044] Fig.13 For the present invention Fig.12 The main view;

[0045] Fig.14 It is a disassembled diagram of the crushing assembly of the present invention;

[0046] Fig.15This is a schematic diagram of the assembly structure of the crushing motor and the fixed shaft of the present invention;

[0047] The meaning of each number in the figure is:

[0048] 100, water tank; 110, conveying frame; 111, conveyor belt; 1111, belt groove; 112, conveying motor; 113, countersunk hole; 114, slide groove; 115, limit groove; 116, positioning hole; 117, plug hole; 120, support bracket; 121, conveyor belt; 122, conveyor motor; 123, pallet;

[0049] 200, scraper assembly; 210, coil; 220, fixed scraper; 230, movable scraper; 231, friction block; 232, fixed block; 240, transmission wheel; 250, reset belt; 251, fixed belt pin;

[0050] 300, brush set; 310, brush; 311, bristles; 312, water channel; 320, pump pipe; 330, clean water tank;

[0051] 400, crushing group; 410, crushing barrel; 411, straight cutting strip; 412, circular cutting strip; 413, transmission gear; 414, supporting ring seat; 420, crushing motor; 421, driving gear; 430, top block; 431, top rod; 4311, limiting sleeve; 432, spring; 433, connecting rod; 440, fixed shaft; 441, fan-shaped barrel; 450, linkage ring; 451, guide hole. DETAILED DESCRIPTION

[0052] The details of the present invention can be more clearly understood by combining the accompanying drawings with the description of the specific embodiments of the present invention. However, the specific embodiments of the present invention described herein are only used for the purpose of explaining the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be regarded as falling within the scope of the present invention. The terms "installation" and "connection" should be understood in a broad sense, which can be directly connected or indirectly connected through an intermediate medium.

[0053] The terms "central axis", "vertical", "horizontal", "front", "back", "up", "down", "left", "right", "top", "bottom", "inside", "outside" and the like used herein to indicate positions or positional relationships are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0054] See also Figure 1-Figure 15 As shown, the present invention provides an organic water-soluble fertilizer preparation device of seaweed enzymatic hydrolysis products, including using a water tank 100 to supply water to wash flaky seaweed, an inclined conveyor frame 110 is arranged directly above the water tank 100, a conveyor belt 111 is arranged in the conveyor frame 110, a conveyor motor 112 is installed on one end side wall of the conveyor frame 110, and a belt shaft of the conveyor belt 111 is coaxially connected with the conveyor motor 112; a support frame 120 is placed on one side of the water tank 100 and below the upper end of the conveyor frame 110, a feed belt 121 is arranged in the top of the support frame 120, and a feed motor 122 for driving the feed belt 121 to move is installed on one end side wall of the support frame 120.

[0055] Specifically, a scraper assembly 200 is provided at the lower end of the conveyor frame 110 for scraping the surface of the sheet seaweed being clamped and conveyed; the scraper assembly 200 includes a pair of coils 210 arranged outside the conveyor belt 111, a fixed scraper 220 installed on the top surface of the lower end of the conveyor frame 110, a movable scraper 230 slidably connected to the bottom surface of the lower end of the conveyor frame 110, and a pair of transmission wheels 240 embedded in the two side walls of the lower end of the conveyor frame 110. The pair of transmission wheels 240 are tightly sleeved with the belt shaft of the conveyor belt 111, that is, the circular motion of the conveyor belt 111 is used to drive the transmission wheels 240 to rotate;

[0056] A fixing block 232 is symmetrically arranged on the rear end of the moving scraper 230, and a reset belt 250 is bonded to the front and rear sides of the fixing block 232. The reset belt 250 is made of an elastic belt, wherein the outer end of the front reset belt 250 is bonded to a friction block 231, and the outer end of the rear reset belt 250 is provided with a sleeve, and the sleeve is provided with a fixed belt pin 251;

[0057] The outer side surface of the lower end of the conveying frame 110 is provided with a countersunk hole 113 which is coaxial with the belt axis, and the bottom surface of the lower end of the conveying frame 110 is provided with a slide groove 114, and the front end of the slide groove 114 extends to the arc end of the conveying frame 110 and is connected with the countersunk hole 113, and the outer side surface of the lower end of the conveying frame 110 is provided with a plurality of positioning holes 116 which penetrate into the rear end of the slide groove 114; the transmission wheel 240 is sleeved with the countersunk hole 113 and its outer side surface is in contact with the friction block 231, the fixing block 232 is engaged and slidably connected with the slide groove 114, and the fixed belt pin 251 is plugged and matched with the positioning hole 116;

[0058] The outer end of the reset belt 250 is positioned by using the fixed belt pin 251, and the driving wheel 240 rotates to contact the friction block 231 to drive it to slide along the slide groove 114, thereby lengthening the reset belt 250, and at the same time pulling the fixed block 232 to drive the movable scraper 230 to slide toward the fixed scraper 220, and elastically clamping the two sides of the sheet seaweed to scrape and avoid damaging the seaweed; when the conveying is stopped, the movable scraper 230 slides down to the lower end plane of the conveying frame 110 under the action of the rebound force of the reset belt 250, and the arc end of the conveyor belt 111 is exposed, so as to unfold the coil 210 to reel in the sheet seaweed. The coil 210 is made of spring steel in sheet shape and wound into a cylindrical shape, so that the specific curling elastic force can automatically reel in the seaweed and stably drive the movement, thereby avoiding the seaweed being driven by the surface clamping and the clamping force being difficult to control and causing damage.

[0059] Furthermore, a limiting groove 115 is provided on the outer side of the conveying frame 110 and on one side of the slide groove 114, and a pin is embedded in the side of the fixing block 232 and the pin is inserted and slidably connected with the limiting groove 115; thereby, the fixing block 232 is restricted from sliding in the slide groove 114, so that the movable scraper 230 can slide stably.

[0060] Specifically, a brush group 300 is arranged inside and above the conveying frame 110, and the brush group 300 includes a plurality of pairs of brushes 310 arranged along the ascending direction of the conveying frame 110, and a plurality of belt grooves 1111 are opened at equal intervals in the side of the conveying belt 111, so that the conveying belt 111 can spray water onto the seaweed when water enters and exits vertically, and drain water in time, and the water falls into the water tank 100 to be collected and recycled; a plurality of bristles 311 are embedded in one side of the material brush 310, and the bristles 311 of the material brush 310 become thinner and thinner as they go up, so as to remove the attachments on the surface of the seaweed, such as mud, fungi, etc.

[0061] Furthermore, a plurality of pairs of jacks 117 are provided on both sides of the conveying frame 110, and the two ends of the material brush 310 located inside the conveying frame 110 are respectively plugged into the two opposite jacks 117, and the two ends of the material brush 310 located above the conveying frame 110 are fixedly connected to the top of the conveying frame 110 by welding with a pad; a water pump pipe 320 is provided on an outer side wall of the conveying frame 110, and a water channel 312 is provided on the side in the width direction of the material brush 310, and a plurality of connecting pipes are plugged into the inner side of the water pump pipe 320, and The plurality of connecting pipes are correspondingly sleeved and matched with the water channels 312 of the plurality of material brushes 310 located at the lower layer; wherein one end of each pair of material brushes 310 away from the water pump pipe 320 is connected to each other through a hose, and the other end of the water channels of the plurality of material brushes 310 at the upper layer is sealed; so that the water in the water tank 100 forms a water flow channel through the water pump pipe 320 and the upper and lower material brushes 310, and the water channel 312 is provided with a plurality of through holes toward the side of the bristles 311, so as to spray water to cooperate with the bristles 311 to scrub the surface of the seaweed;

[0062] A clean water tank 330 is placed at one end of the water tank 100, and a water pump is installed on the top surface of the clean water tank 330, and the output end of the water pump is connected to the pump pipe 320; one side of the bottom of the clean water tank 330 is open and installed with a wire mesh, and the interior of the clean water tank 330 is filled with filter fillers and filter sponges from bottom to top, so that the water recovered in the water tank 100 can be filtered and purified before being reused.

[0063] Specifically, a crushing group 400 is arranged above the support frame 120, and the crushing group 400 includes a crushing barrel 410, a crushing motor 420 for driving the crushing barrel 410 to rotate, and a plurality of top blocks 430 embedded in the outer wall of the crushing barrel 410; the central axis of the crushing barrel 410 is sleeved with a fixed shaft 440, and both ends of the fixed shaft 440 are sleeved with brackets, and the brackets are fixedly connected to the top surface of the support frame 120 by bolts; the crushing barrel 410 is sleeved with the fixed shaft 440 and rotates; a fan-shaped barrel 441 is sleeved on one side of the fixed shaft 440, and its arc surface is arranged toward the inner wall of the crushing barrel 410, so as to trigger the plurality of top blocks 430 rotated here to extend outward and eject the seaweed cut into pieces to fall onto the conveyor belt 121 for transportation.

[0064] Furthermore, a support plate 123 is embedded in the middle inner wall of the support frame 120, the upper layer of the conveyor belt 121 is laid on the top surface of the support plate 123, and the crushing barrel 410 is also located directly above the support plate 123, so as to obtain support and press the seaweed into pieces; the crushing barrel 410 is composed of a pair of circular plates, and a plurality of straight cutting strips 411 are embedded in a ring-shaped manner at equal intervals between the outer edges of the pair of circular plates, and a plurality of circular cutting strips 412 are welded at equal intervals between the plurality of straight cutting strips 411, and a plurality of wall openings are formed between the plurality of straight cutting strips 411 and the plurality of circular cutting strips 412; the cross-sections of the straight cutting strips 411 and the circular cutting strips 412 are both triangular, and a supporting ring seat 414 is sleeved on the outer wall of the circular plate to support the crushing barrel 410 for stable rotation; a transmission gear 413 is coaxially welded on the outer wall of the circular plate, and a driving gear 421 is coaxially connected to the output shaft of the crushing motor 420, and the driving gear 421 is meshed with the transmission gear 413.

[0065] Furthermore, the top block 430 is clamped with the wall opening, and a top rod 431 is vertically provided on the inner side of the top block 430. A plurality of linkage rings 450 are welded at equal intervals on the inner wall of the crushing barrel 410, and a plurality of guide holes 451 that are sleeved with the top rod 431 are opened on the side of the linkage ring 450; the outer walls of the two circles of top rods 431 at both ends of the crushing barrel 410 are provided with limiting sleeves 4311, and a spring 432 is sleeved on the outside of the top rod 431 and on the inside of the limiting sleeve 4311; a connecting rod 433 is welded between the top rods 431 along the central axis direction of the crushing barrel 410, that is, when the connecting rod 433 contacts the fan-shaped barrel 441, it can trigger a row of top blocks 430 to extend out of the wall opening at the same time to eject the broken seaweed.

[0066] The present invention also provides a process for preparing an organic water-soluble fertilizer of a seaweed enzymatic hydrolysis product, and a device for preparing an organic water-soluble fertilizer of a seaweed enzymatic hydrolysis product, comprising the following steps:

[0067] S1, attaching one end of the sheet of seaweed to the side of the lower end of the stretched and flattened coil 210, and then gradually loosening the coil 210 to make it rebound and roll up the sheet of seaweed;

[0068] S2, starting the conveying motor 112 to drive the conveying belt 111 to circulate, thereby driving the coil 210 to pull the sheet of seaweed to move obliquely upward along the conveying frame 110;

[0069] S3, the driving wheels 240 on both sides of the lower end of the conveying frame 110 are driven to rotate by the belt shaft of the conveying belt 111, and the friction drives the moving scraper 230 to gather towards the fixed scraper 220, thereby clamping the upper and lower surfaces of the sheet-like seaweed to scrape off the attached substances on the surface;

[0070] S4, simultaneously starting the water pump in the water tank 100 to pump water toward the pairs of brushes 310 disposed above and below the upper layer of the conveyor belt 111, and then spraying water toward the upper and lower surfaces of the flaky seaweed; the flaky seaweed moving along the conveyor frame 110 is brushed again by the pairs of brushes 310 to completely remove the attached matter;

[0071] S5, when the coil 210 moves to the upper end of the conveyor frame 110, the coil 210 is unrolled to take out the sheet seaweed, which is then conveyed to the conveyor belt 121;

[0072] S6, start the feeding motor 122 and the crushing motor 420, and when the cleaned flaky seaweed passes under the crushing group 400, it is cut into several pieces by the wall of the rotating crushing cylinder 410, so that the subsequent enzymatic hydrolysis reaction is more sufficient;

[0073] S7. As the crushing barrel 410 rotates, the plurality of ejector blocks 430 engaged with the inner wall are guided by the fan-shaped barrel 441 fixedly arranged on the central axis of the crushing barrel 410 to eject the crushed seaweed out of the wall of the crushing barrel 410 and onto the conveyor belt 121 to be further transported.

[0074] S8, when all the seaweed fragments fall into the reaction tank, add water 5-10 times the weight of the seaweed, then add a mixed alkaline hydrolyzing agent of potassium carbonate and potassium hydroxide, raise the temperature to 80°C-130°C for alkaline hydrolysis, and stir intermittently to convert the insoluble components in the seaweed into soluble components, which is conducive to the subsequent enzymatic hydrolysis reaction;

[0075] S9, separating the alkaline hydrolysis product to obtain a clear solution, adding lactic acid or acetic acid and potassium dihydrogen phosphate or ammonium dihydrogen phosphate for buffering and neutralization, so that the pH value drops to below 7.5; in order to adjust the pH value of the solution to make it suitable for the enzymatic hydrolysis reaction;

[0076] S10, adding a finished enzyme with the main components of degrading alginic acid and fiber, the enzyme addition ratio is 5-15% of the alginic acid content, the reaction pH value is controlled between 5-8, and enzymolysis is carried out at 40°C-50°C; the enzymolysis time is generally 12-24 hours, during which proper stirring is required to ensure uniform enzymolysis reaction;

[0077] S11, after the enzymatic hydrolysis reaction is completed, the enzymatic hydrolysis product is separated by filtration to obtain a seaweed extract liquid, thereby obtaining a pure seaweed extract; the purpose is to remove impurities and solid particles generated in the enzymatic hydrolysis reaction;

[0078] S12, concentrating the filtered seaweed extract liquid to remove excess water, and then spray drying it through a spray drying tower. During this process, the seaweed extract is sprayed into tiny droplets and quickly dried into a powdery product. When used, it can be dissolved in water for fertilizer.

[0079] It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A process for preparing an organic water-soluble fertilizer from seaweed enzymatic hydrolysate, characterized in that: The following steps are involved: S1, attaching one end of the sheet of seaweed to the side of the lower end of the rolled material (210) that has been stretched and flattened, and then gradually loosening the rolled material (210) to allow it to rebound and roll up the sheet of seaweed; S2, starting the conveying motor (112) to drive the conveying belt (111) to circulate, thereby driving the coiled material (210) to pull the sheet of seaweed to move obliquely upward along the conveying frame (110); S3, the driving wheels (240) on both sides of the lower end of the conveying frame (110) are driven to rotate by the belt shaft of the conveying belt (111), and the friction drives the moving scraper (230) to gather towards the fixed scraper (220), thereby clamping the upper and lower surfaces of the sheet-like seaweed, and scraping off the attached matter on the surface; S4, simultaneously starting the water pump in the water tank (100) to pump water toward a plurality of pairs of brushes (310) disposed above and below the upper layer of the conveyor belt (111) to spray water toward the upper and lower surfaces of the flaky seaweed; the flaky seaweed moving along the conveyor frame (110) is brushed again by the plurality of pairs of brushes (310) to completely remove any attachments; S5, when the coiled material (210) moves to the upper end of the conveying frame (110), the coiled material (210) is unfolded to take out the sheet-like seaweed, which is then conveyed to the conveying belt (121); S6, starting the feeding motor (122) and the crushing motor (420), and when the cleaned flaky seaweed passes under the crushing group (400), it is cut into a plurality of fragments by the wall of the rotating crushing cylinder (410); S7, as the crushing barrel (410) rotates, a plurality of ejecting blocks (430) engaged with the inner wall thereof are guided by the fan-shaped barrel (441) fixedly arranged on the central axis of the crushing barrel (410) to eject the crushed seaweed out of the wall opening of the crushing barrel (410) and onto the conveyor belt (121) to be further transported; S8, when all the seaweed fragments fall into the reaction tank, add water 5-10 times the weight of the seaweed, then add a mixed alkaline hydrolysis agent of potassium carbonate and potassium hydroxide, raise the temperature to 80°C-130°C for alkaline hydrolysis, and stir intermittently to convert the insoluble components in the seaweed into soluble components; S9, separating the alkaline hydrolysis product to obtain a clear solution, adding lactic acid or acetic acid and potassium dihydrogen phosphate or ammonium dihydrogen phosphate for buffering and neutralization to reduce the pH value to below 7.5; S10, adding a finished enzyme with the main components of degrading alginic acid and fiber, the enzyme addition ratio is 5-15% of the alginic acid content, the reaction pH value is controlled between 5-8, and enzymolysis is carried out at 40°C-50°C; the enzymolysis time is generally 12-24 hours, during which proper stirring is required to ensure uniform enzymolysis reaction; S11, after the enzymatic hydrolysis reaction is completed, the enzymatic hydrolysis product is separated by filtration to obtain a seaweed extract liquid, thereby obtaining a pure seaweed extract; S12, concentrating the filtered seaweed extract liquid to remove excess water, and then spray drying it through a spray drying tower, during which the seaweed extract is sprayed into tiny droplets and quickly dried into a powdery product.

2. A device for preparing an organic water-soluble fertilizer of seaweed enzymolysis products, used in the process for preparing an organic water-soluble fertilizer of seaweed enzymolysis products according to claim 1, characterized in that: A water tank (100) is used to supply water for washing flaky seaweed. An inclined conveying frame (110) is arranged directly above the water tank (100). A conveying belt (111) is arranged inside the conveying frame (110). A conveying motor (112) is installed on a side wall at one end of the conveying frame (110). A belt shaft of the conveying belt (111) is coaxially connected to the conveying motor (112). A support frame (120) is placed on one side of the water tank (100) and below the upper end of the conveying frame (110). A conveying belt (121) is arranged inside the top of the support frame (120). A conveying motor (122) for driving the conveying belt (121) to move is installed on a side wall at one end of the support frame (120). A scraper group (200) is provided at the lower end of the conveyor frame (110), the scraper group (200) comprising a pair of coiled members (210) arranged outside the conveyor belt (111), a fixed scraper (220) mounted on the top surface of the lower end of the conveyor frame (110), a movable scraper (230) slidably connected to the bottom surface of the lower end of the conveyor frame (110), and a pair of transmission wheels (240) embedded in the side walls of the lower end of the conveyor frame (110), the pair of transmission wheels (240) being tightly sleeved with the belt shaft of the conveyor belt (111); A brush group (300) is arranged inside and above the conveyor frame (110), the brush group (300) comprising a plurality of pairs of brushes (310) arranged along the ascending direction of the conveyor frame (110), a plurality of belt grooves (1111) are provided at equal intervals in the side surface of the conveyor belt (111), and a plurality of bristles (311) are embedded in one side surface of the brush (310); A crushing group (400) is arranged above the support frame (120), and the crushing group (400) comprises a crushing barrel (410), a crushing motor (420) for driving the crushing barrel (410) to rotate, and a plurality of top blocks (430) embedded in the outer wall of the crushing barrel (410); a fixed shaft (440) is sleeved on the central axis of the crushing barrel (410), and a sector-shaped barrel (441) is sleeved on one side of the fixed shaft (440), and its arc surface is arranged facing the inner wall of the crushing barrel (410).

3. The device for preparing organic water-soluble fertilizer from seaweed enzymolysis products according to claim 2, characterized in that: A fixing block (232) is symmetrically arranged on the rear end of the moving scraper (230), and a reset belt (250) is bonded to the front and rear surfaces of the fixing block (232), and the reset belt (250) is made of an elastic belt, wherein the outer end of the front reset belt (250) is bonded to a friction block (231), and the outer end of the rear reset belt (250) is provided with a sleeve belt, and the sleeve belt is provided with a fixed belt pin (251); a countersunk hole (113) coaxial with the belt axis is opened on the outer side surface of the lower end of the conveying frame (110), and the lower end of the conveying frame (110) is provided with a fixed belt pin (251). A slide groove (114) is provided on the bottom surface of the end, and the front end of the slide groove (114) extends to the arc end of the conveying frame (110) and is connected to the countersunk hole (113); a plurality of positioning holes (116) are provided on the outer side surface of the lower end of the conveying frame (110) and penetrate into the rear end of the slide groove (114); the driving wheel (240) is sleeved with the countersunk hole (113) and its outer side surface is in contact with the friction block (231); the fixing block (232) is slidably engaged with the slide groove (114), and the fixed belt pin (251) is plugged into and matched with the positioning hole (116).

4. The device for preparing organic water-soluble fertilizer from seaweed enzymolysis products according to claim 3, characterized in that: A limiting groove (115) is provided on the outer side surface of the conveying frame (110) and on one side of the slide groove (114), and a pin is embedded in the side surface of the fixing block (232) and the pin is inserted and slidably connected with the limiting groove (115).

5. The device for preparing organic water-soluble fertilizer from seaweed enzymolysis products according to claim 4, characterized in that: A plurality of pairs of insertion holes (117) are provided on both sides of the conveying frame (110), and two ends of the material brush (310) located inside the conveying frame (110) are respectively plugged into two opposite insertion holes (117). A water pump pipe (320) is provided on an outer side wall of the conveying frame (110), and a water channel (312) is provided on the side in the width direction of the material brush (310). A plurality of connecting pipes are plugged into the inner side of the water pump pipe (320), and the plurality of connecting pipes are correspondingly sleeved and matched with the water channels (312) of the plurality of material brushes (310) located at the lower layer. A clean water tank (330) is placed at one end inside the water tank (100), and a water pump is installed on the top surface of the clean water tank (330), and the output end of the water pump is connected to the water pump pipe (320). One end of each pair of material brushes (310) away from the water pump pipe (320) is connected to each other through a hose, and the other end of the water channel of the plurality of material brushes (310) at the upper layer is in a sealed state.

6. The device for preparing organic water-soluble fertilizer from seaweed enzymolysis products according to claim 5, characterized in that: A support plate (123) is embedded in the inner wall of the middle part of the support frame (120); the upper layer of the conveyor belt (121) is laid on the top surface of the support plate (123); the crushing barrel (410) is composed of a pair of circular plates, and a plurality of straight-cut strips (411) are embedded in a circular shape at equal intervals between the outer edges of the pair of circular plates; a plurality of annular-cut strips (412) are welded at equal intervals between the plurality of straight-cut strips (411); and a plurality of wall openings are formed between the plurality of straight-cut strips (411) and the plurality of annular-cut strips (412); a support ring seat (414) is sleeved on the outer wall of the circular plate; a transmission gear (413) is coaxially welded to the outer wall of the circular plate; the output shaft of the crushing motor (420) is coaxially connected to a driving gear (421); the driving gear (421) is meshed with the transmission gear (413).

7. The device for preparing organic water-soluble fertilizer from seaweed enzymolysis products according to claim 6, characterized in that: The top block (430) is clamped with the wall opening, a top rod (431) is vertically arranged on the inner side of the top block (430), a plurality of linkage rings (450) are arranged at equal intervals on the inner wall of the crushing barrel (410), and a plurality of guide holes (451) sleeved with the top rods (431) are opened on the side of the linkage ring (450); the outer walls of the two circles of the plurality of top rods (431) at both ends of the crushing barrel (410) are both provided with limiting sleeves (4311), a spring (432) is sleeved on the outside of the top rod (431) and located inside the limiting sleeve (4311), and a connecting rod (433) is welded between the plurality of top rods (431) along the central axis direction of the crushing barrel (410).

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