Process and equipment for producing lignite humic acid fertilizer by spraying granulation

Abstract

The invention relates to the technical field of lignite humic acid fertilizer preparation, in particular to a technology and equipment for producing lignite humic acid fertilizer through spraying granulation, the equipment comprises a bottom plate, a temperature rise detection mechanism is arranged above the bottom plate, the temperature rise detection mechanism comprises a cylinder, the cylinder is fixedly installed at the top of the bottom plate, and a temperature rise detection mechanism is arranged above the cylinder. A round rod is rotatably connected to the inner wall of the top of the cylinder, a plurality of stirring blades are rotatably connected to the outer side of the round rod at equal intervals, the section of each stirring blade is a parallelogram, and a plurality of first limiting blocks and second limiting blocks are fixedly connected to the outer side of the round rod at equal intervals; and the outer sides of the first limiting blocks can abut against the outer sides of the corresponding stirring blades. In the heating process, the heating mixing mechanism and the viscosity detection mechanism are integrated together, so that on one hand, the mixing effect is improved, on the other hand, the viscosity of slurry at the temperature can reach a set range after the slurry reaches the set temperature, and the production efficiency and quality are further ensured.

Description

Technical Field

[0001] The invention relates to the technical field of preparation of lignite humic acid fertilizer, in particular to a process and equipment for producing lignite humic acid fertilizer by using spraying granulation. Background Art

[0002] Producing humic acid fertilizer from lignite is an important way to utilize lignite as a non-fuel. The existing production process of lignite humic acid fertilizer mainly uses lignite as a raw material and then performs spraying granulation.

[0003] The main core technology of the spray granulation process for producing organic fertilizers is that the slurry must reach the required viscosity. When the viscosity of the slurry is too low, it cannot be granulated. When the viscosity is too high, there are many large particles. In the existing technology, due to the change of the water content of the raw materials themselves, it is impossible to effectively control the viscosity through precise proportioning.

[0004] Before the slurry enters the spray granulator, it needs to be heated up. A certain temperature is conducive to the volatilization of water in the slurry and ensures the integrated effect of granulation and drying. The change in temperature will also affect the viscosity of the slurry. Therefore, it is necessary to control the viscosity of the slurry after it reaches the set temperature to keep the slurry in the most accurate viscosity range.

[0005] And because of the existence of viscosity, a mixing structure needs to be added during the heating process to increase the uniformity of the heating. The present invention designs a process and equipment for producing lignite humic acid fertilizer using spray granulation, which can integrate the heating mixing mechanism and the viscosity detection mechanism during the heating process, on the one hand to increase the mixing effect, and on the other hand to ensure that after the slurry reaches the set temperature, its viscosity at this temperature can also reach the set range, further ensuring the production efficiency and quality. Summary of the invention

[0006] The object of the present invention is to provide a process and equipment for producing lignite humic acid fertilizer by spraying granulation, so as to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an apparatus for producing lignite humic acid fertilizer by spraying granulation, comprising a bottom plate, a temperature rise detection mechanism is arranged above the bottom plate, the temperature rise detection mechanism comprises a cylinder, the cylinder is fixedly mounted on the top of the bottom plate, a round rod is rotatably connected to the inner wall of the top of the cylinder, a plurality of stirring blades are rotatably connected to the outer side of the round rod at equal intervals, the cross section of the stirring blade is a parallelogram, a plurality of first limit blocks and second limit blocks are fixedly connected to the outer side of the round rod at equal intervals, and the outer side of the first limit block can abut against the outer side of the corresponding stirring blade;

[0008] The top of the cylinder is fixedly connected with a circular box, the top of the round rod passes through the circular box and is fixedly connected with a disc, the circular box is rotatably sleeved on the outside of the round rod, and a coil spring is fixedly connected between the inner wall of the circular box and the outside of the round rod;

[0009] Two positioning rods are fixedly connected between the inner walls of both sides of the disk, and rectangular seats are slidably connected to the outer sides of the two positioning rods. Two first springs are fixedly connected between the outer side of the rectangular seat and the inner wall of the disk, and the first springs are movably sleeved on the outer sides of the corresponding positioning rods. A potentiometer is embedded on the inner wall of the top of the disk, and a distance measuring block matched with the potentiometer is fixedly connected to the bottom of the rectangular seat. The centrifugal force generated by the circular rod driving the disk to rotate can make the rectangular seat drive the distance measuring block to move, and the potentiometer can obtain the distance moved by the distance measuring block;

[0010] The top of the cylinder is connected and fixed with a water inlet pipe, a liquid inlet pipe and a feed pipe.

[0011] The present invention can integrate the temperature rising mixing mechanism and the viscosity detection mechanism during the temperature rising process, which can not only increase the mixing effect, but also ensure that after the slurry reaches the set temperature, its viscosity at the temperature can also reach the set range, further ensuring the production efficiency and quality.

[0012] The present invention starts the battery through the control panel to provide electric energy to the potentiometer, the first motor, the second motor and the electric heating tube through the conduction line, and the mixed slurry is added into the cylinder through the feeding pipe. The electric heating tube is energized for heating and can perform a constant temperature and uniform heating operation on the slurry in the cylinder. The first motor is started in the positive direction, and the first motor drives the circular plate to rotate. The circular plate drives the ratchet to rotate through the pawl. The rotation of the ratchet drives the cylinder to rotate. The rotation of the cylinder drives the first gear to rotate. The positive rotation of the first gear drives the second gear to rotate in the opposite direction. The reverse rotation of the second gear drives the round rod to rotate. The reverse rotation of the round rod drives the coil spring to rotate and compress and store force. The rotation of the round rod drives multiple stirring blades to rotate. The cross-section of the stirring blade is a parallelogram. When the stirring blade rotates counterclockwise, the first limit block limits the corresponding stirring blade. When the stirring blade rotates counterclockwise, the stirring blade can press the slurry downward, increase a downward convection, thereby increasing a distribution uniformity of the stirring temperature of the slurry, and can perform a uniform stirring operation.

[0013] Further preferably, a driving mechanism is provided above the base plate, the driving mechanism includes a first motor, the top of the cylinder is fixedly connected to the first motor, the end of the output shaft of the first motor is fixedly connected to a circular plate, the top of the circular plate is rotatably connected to a pawl, the top of the circular plate is fixedly connected to a rectangular block, and a second spring is fixedly connected between the rectangular block and the pawl.

[0014] Further preferably, the top of the cylinder is fixedly connected to a first L-shaped plate, the top of the first L-shaped plate is rotatably connected to a cylinder, the bottom end of the cylinder extends to the inner side of the first L-shaped plate and is fixedly connected to a ratchet, the end of the pawl can extend to the inner side of the ratchet to clamp the ratchet, the top of the cylinder is fixedly connected to a first gear, the outer side of the round rod is fixedly sleeved with a second gear, and the first gear is meshed with the second gear.

[0015] After the first motor has worked for a period of time, the coil spring rotates and is compressed to the limit, and the first motor stops working. At this time, the coil spring in the compressed and stored-force state is reset, and the elastic force of the coil spring drives the round rod to rotate forward, and the rotation of the round rod drives the second gear to rotate, and the second gear drives the first gear to rotate. The rotation of the first gear drives the cylinder to rotate, and the cylinder drives the ratchet to rotate. The pawl slides over the outside of the ratchet. At the same time, the rotation of the round rod drives multiple stirring plates to rotate. When the stirring plate rotates clockwise, the second limit block limits the corresponding stirring plate. The stirring plate moves clockwise, and the stirring plate can press the paddle liquid upward, increase an upward convection, thereby increasing a distribution uniformity of the paddle liquid stirring temperature, and can perform uniform stirring operations. At the same time, the positive rotation of the round rod drives the disc to rotate.

[0016] Further preferably, a viscosity adjustment compensation mechanism is provided above the bottom plate, the viscosity adjustment compensation mechanism includes a rectangular box, the top ends of the water inlet pipe and the liquid inlet pipe are connected and fixed with the rectangular box, the left side of the cylinder is fixedly connected with a second L-shaped plate, a screw is rotatably connected between the left inner wall of the second L-shaped plate and the right side of a rectangular box on the left, the outer side of the screw is threadedly connected with the rectangular plate, and the right side of the rectangular plate is fixedly connected with a horizontal plate.

[0017] Further preferably, the right side of the horizontal plate extends to the outside of a rectangular box on the right side, and the two rectangular boxes are slidably mounted on the outside of the horizontal plate. The top of the rectangular box is connected and fixed with a round tube, and the bottom end of the round tube is slidably connected to the top of the horizontal plate.

[0018] Further preferably, two circular holes are provided on the top of the horizontal plate, the inner diameter of the circular holes is the same as the inner diameter of the corresponding circular tube, and the movement of the horizontal plate can drive the circular holes to communicate with the corresponding circular tube.

[0019] Further preferably, two square rods are fixedly connected between the left inner wall of the second L-shaped plate and the right side of a rectangular box on the left side, the rectangular plate is slidably mounted on the outside of the two square rods, and a second motor is fixedly connected to the outside of the second L-shaped plate, and the output end of the second motor is fixedly connected to the left end of the screw.

[0020] When the viscosity of the slurry is too low, the resistance encountered by the stirring piece during rotation is small, and the stirring piece rotates at a faster rate. The stirring piece drives the disc through the round rod, and the centrifugal force generated during the rotation is large. Under the action of the centrifugal force, the rectangular seat drives the distance measuring block to move to a position away from the center of the disc. The potentiometer can obtain the distance moved by the distance measuring block. When the distance moved by the distance measuring block exceeds the preset value, the second motor is started in the positive direction, and the second motor drives the screw to rotate. The rotation of the screw drives the rectangular plate to move to the right. The rectangular plate slides on the outside of the two square rods, and the rectangular plate drives the cross plate to move to the right. As the cross plate moves, the right A circular hole on the side is connected with the corresponding circular tube, and a certain amount of suspension bonding aid is added into a rectangular box on the right through a circular tube on the right, and the suspension bonding aid is added into the cylinder through the liquid inlet pipe. As the suspension bonding aid increases, the resistance encountered by the stirring piece during rotation is greater, and the rotation speed of the stirring piece is reduced, so that the centrifugal force generated by the disc during rotation is reduced, thereby causing the distance measuring block to move to a position close to the center of the disc. When the distance measuring block moves to a preset value, the second motor is started in the reverse direction to drive the horizontal plate to move and block a circular tube on the right, and the addition of the suspension bonding aid is stopped;

[0021] When the viscosity of the slurry is too high, the resistance encountered by the stirring blade during rotation is large, and the rotation rate of the stirring blade is slow. The centrifugal force generated by the stirring blade driving the disc through the round rod during the rotation cannot make the rectangular seat drive the distance measuring block to move or the distance moved by the distance measuring block does not reach a preset value. Similarly, the second motor is started in reverse to add a certain amount of water to a rectangular box on the left through a round tube on the left. The water is added to the cylinder through the water inlet pipe. As the water increases, the resistance encountered by the stirring blade during rotation is small, the rotation rate of the stirring blade increases, and the centrifugal force generated by the disc during rotation increases, causing the distance measuring block to move away from the center of the disc. When the distance measuring block moves to a preset value, the second motor is started in the forward direction to drive the cross plate to move to seal a round tube on the left, and stop adding water, thereby ensuring that after the slurry reaches the set temperature, its viscosity at this temperature can also reach the set range, further ensuring the efficiency and quality of production.

[0022] Further preferably, a slurry pump is fixedly connected to the top of the base plate, a liquid inlet of the slurry pump extends into the cylinder, and a liquid outlet of the slurry pump is connected to and fixed with a discharge pipe.

[0023] Further preferably, a plurality of electric heating tubes are embedded in the inner wall of the cylinder, and a battery is fixedly connected to the top of the base plate. The battery provides electrical energy to the potentiometer, the first motor, the second motor and the electric heating tubes through conduction lines. The electric heating tubes are energized to heat the slurry in the cylinder uniformly at a constant temperature, and a control panel is fixedly connected to the top of the base plate.

[0024] The present invention also proposes a process for producing lignite humic acid fertilizer by using spray granulation, comprising the following steps:

[0025] Step 1: The electric heating tube is powered on to heat the slurry in the cylinder at a constant temperature. The first motor works to drive the second gear to drive the coil spring to store force through the rotation of the round rod, and the round rod drives the stirring blade to rotate to stir the slurry;

[0026] Step 2: When the first motor stops working for a period of time, the coil spring in the compressed power storage state drives the stirring blade to rotate clockwise through the round rod to achieve uniform stirring, and the round rod drives the disc to rotate at the same time;

[0027] Step 3: When the viscosity of the slurry is too low and the distance moved by the distance measuring block exceeds a preset value, the second motor works to add the suspension bonding agent into the cylinder so that the distance moved by the distance measuring block reaches the preset value;

[0028] Step 4: When the viscosity of the slurry is too high, the centrifugal force generated by the round rod cannot move the distance measuring block or the distance moved by the distance measuring block does not reach the preset value. The second motor works to add water into the cylinder so that the distance moved by the distance measuring block reaches the preset value.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] 1. The present invention adds the mixed slurry into the cylinder through the feeding pipe, energizes the electric heating tube to heat the slurry in the cylinder at a constant temperature and uniformly, starts the first motor in the positive direction to drive the circular plate to rotate, the circular plate drives the ratchet to rotate through the pawl, the ratchet rotates the first gear through the cylindrical rotation, the first gear rotates forward to drive the second gear to rotate in the opposite direction, the second gear drives the coil spring to rotate and compress and store force through the reverse rotation of the round rod, the rotation of the round rod drives multiple stirring blades to rotate, when the stirring blade rotates counterclockwise, the stirring blade can press the slurry downward, increase a downward convection, thereby increasing a distribution uniformity of the slurry stirring temperature, and can perform a uniform stirring operation.

[0031] 2. When the first motor stops working for a period of time, the coil spring in the compressed and stored state drives the round rod to rotate forward, and the round rod drives the first gear to rotate through the second gear. The first gear drives the ratchet to rotate through the cylinder. The pawl slides over the outside of the ratchet. The round rod drives the stirring plate to rotate clockwise to press the paddle liquid upward, increase an upward convection, thereby increasing the uniformity of the paddle liquid stirring temperature, and enabling uniform stirring operations. At the same time, the positive rotation of the round rod drives the disc to rotate.

[0032] 3. In the present invention, when the viscosity of the slurry is too low, the stirring plate drives the disc through the round rod to generate a large centrifugal force during the rotation process. Under the action of the centrifugal force, the rectangular seat drives the distance measuring block to move to a position away from the center of the disc. The potentiometer can obtain the distance moved by the distance measuring block. When the distance moved by the distance measuring block exceeds a preset value, the second motor is started in the positive direction, so that the rectangular plate drives the cross plate to move to the right, so that a circular hole on the right side is connected with the corresponding circular tube, and a certain amount of suspension bonding aid is added to the cylinder, so that the centrifugal force generated by the disc during the rotation process is reduced, thereby causing the distance measuring block to move to a position close to the center of the disc. When the distance moved by the distance measuring block reaches a preset value, the addition of the suspension bonding aid is stopped.

[0033] 4. In the present invention, when the viscosity of the slurry is too high, the centrifugal force generated by the stirring piece driving the disc through the round rod during the rotation process cannot make the rectangular seat drive the distance measuring block to move or the distance moved by the distance measuring block does not reach a preset value. Similarly, the second motor is started in reverse to add water into the cylinder through the water inlet pipe. The centrifugal force generated by the disc during the rotation process increases, causing the distance measuring block to move to a position away from the center of the disc. When the distance measuring block moves to a preset value, the addition of water is stopped. During the heating process, the heating mixing mechanism and the viscosity detection mechanism can be integrated together, which can increase the mixing effect on the one hand, and ensure that after the slurry reaches the set temperature, its viscosity at this temperature can also reach the set range, thereby further ensuring the production efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the main stereoscopic structure of the present invention;

[0035] Figure 2 It is a left-side stereoscopic structural schematic diagram of the present invention;

[0036] Figure 3 It is a rear-view stereoscopic structural schematic diagram of the present invention;

[0037] Figure 4 for Figure 2 A front view of

[0038] Figure 5 It is a three-dimensional structural schematic diagram of the driving mechanism in the present invention;

[0039] Figure 6 for Figure 5 A front view of

[0040] Figure 7 for Figure 3 A schematic diagram of the enlarged three-dimensional structure of the middle A area;

[0041] Figure 8 It is a schematic diagram of the internal cross-sectional structure of the rectangular box in the present invention;

[0042] Fig. 9 It is a schematic diagram of the internal cross-sectional structure of the cylinder in the present invention;

[0043] Fig.10 It is a schematic diagram of the internal cross-sectional structure of the circular box in the present invention;

[0044] Fig.11 It is a schematic diagram of the internal cross-sectional structure of the disc in the present invention;

[0045] Fig.12 is a three-dimensional diagram of the stirring blade of the present invention;

[0046] Fig.13 It is a cross-sectional view of the stirring blade in the present invention.

[0047] In the figure:

[0048] 1. Bottom plate; 101. Cylinder; 102. Round rod; 103. Stirring piece; 104. First stop block; 105. Second stop block; 106. Round box; 107. Coil spring; 108. Disc; 109. Positioning rod; 110. Rectangular seat; 111. First spring; 112. Distance measuring block; 113. Potentiometer; 114. Water inlet pipe; 115. Liquid inlet pipe; 116. Feed pipe;

[0049] 2. first motor; 201. circular plate; 202. ratchet; 203. rectangular block; 204. second spring; 205. first L-shaped plate; 206. cylinder; 207. ratchet; 208. first gear; 209. second gear;

[0050] 3. rectangular box; 301. second L-shaped plate; 302. screw; 303. rectangular plate; 304. horizontal plate; 305. round tube; 306. round hole; 307. square rod; 308. second motor;

[0051] 4. Slurry pump; 5. Discharge pipe; 6. Electric heating tube; 7. Battery; 8. Control panel. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0053] Example

[0054] See also Figure 1-13The present invention provides a technical solution: a device for producing lignite humic acid fertilizer by using spray granulation, comprising a bottom plate 1, a temperature rise detection mechanism is arranged above the bottom plate 1, the temperature rise detection mechanism comprises a cylinder 101, the cylinder 101 is fixedly mounted on the top of the bottom plate 1, a round rod 102 is rotatably connected to the inner wall of the top of the cylinder 101, a plurality of stirring blades 103 are rotatably connected to the outer side of the round rod 102 at equal intervals, the cross section of the stirring blade 103 is a parallelogram, a plurality of first limit blocks 104 and second limit blocks 105 are fixedly connected to the outer side of the round rod 102 at equal intervals, and the outer side of the first limit block 104 can abut against the outer side of the corresponding stirring blade 103;

[0055] The top of the cylinder 101 is fixedly connected with a circular box 106, the top of the round rod 102 passes through the circular box 106 and is fixedly connected with a disc 108, the circular box 106 is rotatably sleeved on the outside of the round rod 102, and a coil spring 107 is fixedly connected between the inner wall of the circular box 106 and the outside of the round rod 102;

[0056] Two positioning rods 109 are fixedly connected between the inner walls of both sides of the disc 108, and a rectangular seat 110 is slidably connected to the outer sides of the two positioning rods 109. Two first springs 111 are fixedly connected between the outer sides of the rectangular seat 110 and the inner wall of the disc 108. The first springs 111 are movably sleeved on the outer sides of the corresponding positioning rods 109. A potentiometer 113 is embedded on the top inner wall of the disc 108, and a distance measuring block 112 matched with the potentiometer 113 is fixedly connected to the bottom of the rectangular seat 110. The centrifugal force generated by the round rod 102 driving the disc 108 to rotate can make the rectangular seat 110 drive the distance measuring block 112 to move, and the potentiometer 113 can obtain the distance moved by the distance measuring block 112.

[0057] The top of the cylinder 101 is connected to and fixed with a water inlet pipe 114 , a liquid inlet pipe 115 and a feed pipe 116 .

[0058] The present invention can integrate the temperature rising mixing mechanism and the viscosity detection mechanism during the temperature rising process, which can not only increase the mixing effect, but also ensure that after the slurry reaches the set temperature, its viscosity at the temperature can also reach the set range, further ensuring the production efficiency and quality.

[0059] The present invention starts the battery 7 through the control panel 8 to provide electric energy to the potentiometer 113, the first motor 2, the second motor 308 and the electric heating tube 6 through the conduction line, and the mixed slurry is added to the cylinder 101 through the feeding pipe 116. The electric heating tube 6 is powered on to heat the slurry in the cylinder 101 to a constant temperature and uniform heating operation, and the first motor 2 is started to work in the positive direction, and the first motor 2 drives the circular plate 201 to rotate, and the circular plate 201 drives the ratchet 207 to rotate through the ratchet 202, and the rotation of the ratchet 207 drives the cylinder 206 to rotate, and the rotation of the cylinder 206 drives the first gear 208 to rotate, and the first gear 208 is positive. The rotation drives the second gear 209 to rotate in the opposite direction, and the second gear 209 rotates in the opposite direction to drive the round rod 102 to rotate. The reverse rotation of the round rod 102 drives the coil spring 107 to rotate and compress and store force. The rotation of the round rod 102 drives multiple stirring blades 103 to rotate. The cross-section of the stirring blade 103 is a parallelogram. When the stirring blade 103 rotates counterclockwise, the first limit block 104 limits the corresponding stirring blade 103. When the stirring blade 103 rotates counterclockwise, the stirring blade 103 can press the paddle liquid downward, increase a downward convection, thereby increasing a distribution uniformity of the paddle liquid stirring temperature, and can perform uniform stirring operations.

[0060] In this embodiment, specifically: a driving mechanism is provided above the bottom plate 1, the driving mechanism includes a first motor 2, the top of the cylinder 101 is fixedly connected to the first motor 2, the end of the output shaft of the first motor 2 is fixedly connected to a circular plate 201, the top of the circular plate 201 is rotatably connected to a pawl 202, the top of the circular plate 201 is fixedly connected to a rectangular block 203, and a second spring 204 is fixedly connected between the rectangular block 203 and the pawl 202;

[0061] In this embodiment, specifically: the top of the cylinder 101 is fixedly connected to a first L-shaped plate 205, the top of the first L-shaped plate 205 is rotatably connected to a cylinder 206, the bottom end of the cylinder 206 extends to the inner side of the first L-shaped plate 205 and is fixedly connected to a ratchet 207, the end of the pawl 202 can extend to the inner side of the ratchet 207 to clamp the ratchet 207, the top of the cylinder 206 is fixedly connected to a first gear 208, the outer side of the round rod 102 is fixedly sleeved with a second gear 209, and the first gear 208 is meshed with the second gear 209;

[0062] After the first motor 2 has worked for a period of time, the coil spring 107 rotates and compresses to the limit, and the first motor 2 stops working. At this time, the coil spring 107 in the compressed and stored force state is reset, and the elastic force of the coil spring 107 drives the round rod 102 to rotate forward, and the rotation of the round rod 102 drives the second gear 209 to rotate, and the second gear 209 drives the first gear 208 to rotate, and the rotation of the first gear 208 drives the cylinder 206 to rotate, and the cylinder 206 drives the ratchet 207 to rotate, and the pawl 202 slides over the outside of the ratchet 207. At the same time, the rotation of the round rod 102 drives multiple stirring blades 103 to rotate. When the stirring blade 103 rotates clockwise, the second limit block 105 limits the corresponding stirring blade 103, and the stirring blade 103 moves clockwise. The stirring blade 103 can press the paddle liquid upward, increase an upward convection, thereby increasing a distribution uniformity of the stirring temperature of the paddle liquid, and can perform uniform stirring operations. At the same time, the positive rotation of the round rod 102 drives the disc 108 to rotate.

[0063] In this embodiment, specifically: a viscosity adjustment compensation mechanism is provided above the bottom plate 1, the viscosity adjustment compensation mechanism includes a rectangular box 3, the tops of the water inlet pipe 114 and the liquid inlet pipe 115 are connected and fixed with the rectangular box 3, the left side of the cylinder 101 is fixedly connected with a second L-shaped plate 301, the left inner wall of the second L-shaped plate 301 and the right side of a rectangular box 3 on the left are rotatably connected with a screw rod 302, the outer side of the screw rod 302 is threadedly connected with a rectangular plate 303, and the right side of the rectangular plate 303 is fixedly connected with a horizontal plate 304;

[0064] In this embodiment, specifically: the right side of the horizontal plate 304 extends to the outside of a rectangular box 3 on the right side, and the two rectangular boxes 3 are slidably sleeved on the outside of the horizontal plate 304. The top of the rectangular box 3 is connected and fixed with a round tube 305, and the bottom end of the round tube 305 is slidably connected to the top of the horizontal plate 304;

[0065] In this embodiment, specifically: two circular holes 306 are provided on the top of the horizontal plate 304, and the inner diameter of the circular holes 306 is the same as the inner diameter of the corresponding circular tube 305. The movement of the horizontal plate 304 can drive the circular holes 306 to communicate with the corresponding circular tube 305;

[0066] In this embodiment, specifically: two square rods 307 are fixedly connected between the left inner wall of the second L-shaped plate 301 and the right side of a rectangular box 3 on the left side, the rectangular plate 303 is slidably sleeved on the outside of the two square rods 307, the outside of the second L-shaped plate 301 is fixedly connected to a second motor 308, and the output end of the second motor 308 is fixedly connected to the left end of the screw rod 302;

[0067] When the viscosity of the slurry is too low, the resistance encountered by the stirring blade 103 during rotation is small, and the stirring blade 103 rotates at a faster rate. The stirring blade 103 drives the disk 108 through the round rod 102 to generate a large centrifugal force during the rotation. Under the action of the centrifugal force, the rectangular seat 110 drives the distance measuring block 112 to move to a position away from the center of the disk 108. The potentiometer 113 can obtain the distance moved by the distance measuring block 112. When the distance moved by the distance measuring block 112 exceeds a preset value, the second motor 308 is started in the positive direction. The second motor 308 drives the screw 302 to rotate. The rotation of the screw 302 drives the rectangular plate 303 to move to the right. The rectangular plate 303 slides on the outside of the two square rods 307. The rectangular plate 303 drives the cross plate 304 to move to the right. The horizontal plate 304 moves so that a circular hole 306 on the right side is connected with the corresponding circular tube 305, and a certain amount of suspension bonding agent is added to a rectangular box 3 on the right side through a circular tube 305 on the right side, and the suspension bonding agent is added to the cylinder 101 through the liquid inlet pipe 115. As the suspension bonding agent increases, the resistance encountered by the stirring blade 103 during the rotation process is relatively large, and the rotation speed of the stirring blade 103 is reduced, so that the centrifugal force generated by the disk 108 during the rotation process is reduced, so that the distance measuring block 112 moves to a position close to the center of the disk 108. When the distance measuring block 112 moves to a preset value, the second motor 308 is started in the reverse direction to drive the horizontal plate 304 to move and block a circular tube 305 on the right side, and stop adding the suspension bonding agent;

[0068] When the viscosity of the slurry is too high, the resistance encountered by the stirring blade 103 during rotation is relatively large, and the stirring blade 103 rotates at a relatively slow speed. The centrifugal force generated by the stirring blade 103 during the rotation of the disc 108 driven by the round rod 102 cannot make the rectangular seat 110 drive the distance measuring block 112 to move or the distance moved by the distance measuring block 112 does not reach a preset value. Similarly, the second motor 308 is started in reverse to add a certain amount of water into a rectangular box 3 on the left through a round tube 305 on the left, and water is added into the cylinder 101 through the water inlet pipe 114. As the water increases, the stirring The resistance encountered by the stirring blade 103 during rotation is small, the rotation rate of the stirring blade 103 is increased, and the centrifugal force generated by the disc 108 during rotation is increased, so that the distance measuring block 112 moves to a position away from the center of the disc 108. When the distance measuring block 112 moves to a preset value, the second motor 308 is started in the forward direction to drive the cross plate 304 to move to block a circular tube 305 on the left, and the addition of water is stopped, thereby ensuring that after the slurry reaches the set temperature, its viscosity at this temperature can also reach the set range, further ensuring the efficiency and quality of production.

[0069] In this embodiment, specifically: a slurry pump 4 is fixedly connected to the top of the bottom plate 1, the liquid inlet of the slurry pump 4 extends into the cylinder 101, and the liquid outlet of the slurry pump 4 is connected and fixed with a discharge pipe 5;

[0070] In this embodiment, specifically: a plurality of electric heating tubes 6 are embedded in the inner wall of the cylinder 101, a battery 7 is fixedly connected to the top of the bottom plate 1, and the battery 7 provides electric energy to the potentiometer 113, the first motor 2, the second motor 308 and the electric heating tube 6 through a conduction line. The electric heating tube 6 is energized for heating and can heat the slurry in the cylinder 101 at a constant temperature and uniformly. A control panel 8 is fixedly connected to the top of the bottom plate 1.

[0071] The present invention also proposes a process for producing lignite humic acid fertilizer by using spray granulation, comprising the following steps:

[0072] Step 1: The electric heating tube 6 is powered on to heat the slurry in the cylinder 101 at a constant temperature. The first motor 2 works to drive the second gear 209 to drive the coil spring 107 to store force through the round rod 102, and the round rod 102 drives the stirring blade 103 to rotate to stir the slurry;

[0073] Step 2: When the first motor 2 stops working for a period of time, the coil spring 107 in the compressed power storage state drives the stirring blade 103 to rotate clockwise through the round rod 102 to achieve uniform stirring, and the round rod 102 drives the disc 108 to rotate;

[0074] Step 3: When the viscosity of the slurry is too low and the distance moved by the distance measuring block 112 exceeds a preset value, the second motor 308 works to add the suspension bonding agent into the cylinder 101 so that the distance moved by the distance measuring block 112 reaches the preset value;

[0075] Step 4: When the viscosity of the slurry is too high, the centrifugal force generated by the round rod 102 cannot move the distance measuring block 112 or the distance moved by the distance measuring block 112 does not reach a preset value. The second motor 308 works to add water into the cylinder 101 so that the distance moved by the distance measuring block 112 reaches a preset value.

[0076] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for producing lignite humic acid fertilizer by spraying granulation, comprising a bottom plate (1), characterized in that: A temperature rise detection mechanism is provided above the bottom plate (1), the temperature rise detection mechanism comprising a cylinder (101), the cylinder (101) being fixedly mounted on the top of the bottom plate (1), a round rod (102) being rotatably connected to the inner wall of the top of the cylinder (101), a plurality of stirring blades (103) being rotatably connected to the outer side of the round rod (102) at equal intervals, the cross section of the stirring blade (103) being a parallelogram, a plurality of first limit blocks (104) and second limit blocks (105) being fixedly connected to the outer side of the round rod (102) at equal intervals, the outer side of the first limit block (104) being capable of abutting against the outer side of the corresponding stirring blade (103); The top of the cylinder (101) is fixedly connected to a circular box (106); the top of the round rod (102) passes through the circular box (106) and is fixedly connected to a disc (108); the circular box (106) is rotatably sleeved on the outside of the round rod (102); and a coil spring (107) is fixedly connected between the inner wall of the circular box (106) and the outside of the round rod (102); Two positioning rods (109) are fixedly connected between the inner walls of both sides of the disk (108); the outer sides of the two positioning rods (109) are slidably connected with a rectangular seat (110); the outer sides of the rectangular seat (110) and the inner walls of the disk (108) are fixedly connected with two first springs (111); the first springs (111) are movably sleeved on the outer sides of the corresponding positioning rods (109); a potentiometer (113) is embedded on the inner wall of the top of the disk (108); a distance measuring block (112) matched with the potentiometer (113) is fixedly connected to the bottom of the rectangular seat (110); the centrifugal force generated when the disk (108) is driven by the round rod (102) to rotate can cause the rectangular seat (110) to drive the distance measuring block (112) to move; and the potentiometer (113) can obtain the distance moved by the distance measuring block (112); The top of the cylinder (101) is connected to and fixed with a water inlet pipe (114), a liquid inlet pipe (115) and a feed pipe (116).

2. The device for producing lignite humic acid fertilizer by spray granulation according to claim 1, characterized in that: A driving mechanism is provided above the bottom plate (1), the driving mechanism comprising a first motor (2), the top of the cylinder (101) is fixedly connected to the first motor (2), the end of the output shaft of the first motor (2) is fixedly connected to a circular plate (201), the top of the circular plate (201) is rotatably connected to a ratchet (202), the top of the circular plate (201) is fixedly connected to a rectangular block (203), and a second spring (204) is fixedly connected between the rectangular block (203) and the ratchet (202).

3. The device for producing lignite humic acid fertilizer by spraying granulation according to claim 2, characterized in that: The top of the cylinder (101) is fixedly connected to a first L-shaped plate (205), the top of the first L-shaped plate (205) is rotatably connected to a cylinder (206), the bottom end of the cylinder (206) extends to the inner side of the first L-shaped plate (205) and is fixedly connected to a ratchet (207), the end of the pawl (202) can extend to the inner side of the ratchet (207) to clamp the ratchet (207), the top of the cylinder (206) is fixedly connected to a first gear (208), the outer side of the round rod (102) is fixedly sleeved with a second gear (209), and the first gear (208) is meshed with the second gear (209).

4. The device for producing lignite humic acid fertilizer by spraying granulation according to claim 3 is characterized in that: A viscosity adjustment and compensation mechanism is provided above the bottom plate (1), the viscosity adjustment and compensation mechanism comprising a rectangular box (3), the top ends of the water inlet pipe (114) and the liquid inlet pipe (115) are both connected to and fixed with the rectangular box (3), the left side of the cylinder (101) is fixedly connected with a second L-shaped plate (301), the left inner wall of the second L-shaped plate (301) is rotatably connected with the right side of a rectangular box (3) on the left side by a screw rod (302), the outer side of the screw rod (302) is threadedly connected with a rectangular plate (303), and the right side of the rectangular plate (303) is fixedly connected with a horizontal plate (304).

5. The device for producing lignite humic acid fertilizer by spraying granulation according to claim 4, characterized in that: The right side of the transverse plate (304) extends to the outside of a rectangular box (3) on the right side. Both rectangular boxes (3) are slidably sleeved on the outside of the transverse plate (304). The top of the rectangular box (3) is connected to and fixed with a round tube (305). The bottom end of the round tube (305) is slidably connected to the top of the transverse plate (304).

6. The device for producing lignite humic acid fertilizer by spray granulation according to claim 5, characterized in that: Two circular holes (306) are provided on the top of the transverse plate (304), the inner diameter of the circular holes (306) is the same as the inner diameter of the corresponding circular tube (305), and the movement of the transverse plate (304) can drive the circular holes (306) to communicate with the corresponding circular tube (305).

7. The device for producing lignite humic acid fertilizer by spraying granulation according to claim 6, characterized in that: Two square rods (307) are fixedly connected between the left inner wall of the second L-shaped plate (301) and the right side of a rectangular box (3) on the left side; the rectangular plate (303) is slidably mounted on the outside of the two square rods (307); a second motor (308) is fixedly connected to the outside of the second L-shaped plate (301); and an output end of the second motor (308) is fixedly connected to the left end of the screw rod (302).

8. The device for producing lignite humic acid fertilizer by spraying granulation according to claim 7, characterized in that: A slurry pump (4) is fixedly connected to the top of the bottom plate (1); a liquid inlet of the slurry pump (4) extends into the cylinder (101); and a liquid outlet of the slurry pump (4) is connected to and fixedly connected to a discharge pipe (5).

9. The device for producing lignite humic acid fertilizer by spraying granulation according to claim 8, characterized in that: A plurality of electric heating tubes (6) are embedded in the inner wall of the cylinder (101), and a storage battery (7) is fixedly connected to the top of the bottom plate (1). The storage battery (7) provides electric energy to the potentiometer (113), the first motor (2), the second motor (308) and the electric heating tubes (6) through conductive wires. The electric heating tubes (6) are powered on for heating and can heat the slurry in the cylinder (101) at a constant temperature and uniformly. A control panel (8) is fixedly connected to the top of the bottom plate (1).

10. A process for producing lignite humic acid fertilizer by spraying granulation, characterized in that: The device for producing lignite humic acid fertilizer by spray granulation as claimed in claim 9 comprises the following steps: Step 1: The electric heating tube (6) is energized to heat the slurry in the cylinder (101) at a constant temperature, and the first motor (2) is operated to cause the second gear (209) to rotate through the round rod (102) to drive the coil spring (107) to store force, and the round rod (102) drives the stirring blade (103) to rotate to stir the slurry; Step 2: When the first motor (2) stops working for a period of time, the coil spring (107) in the compressed power storage state drives the stirring blade (103) to rotate clockwise through the round rod (102) to achieve uniform stirring, and at the same time, the round rod (102) drives the disc (108) to rotate; Step 3: When the viscosity of the slurry is too low and the distance moved by the distance measuring block (112) exceeds a preset value, the second motor (308) operates to add a suspension bonding agent into the cylinder (101) so that the distance moved by the distance measuring block (112) reaches the preset value; Step 4: When the viscosity of the slurry is too high, the centrifugal force generated by the round rod (102) cannot move the distance measuring block (112) or the distance moved by the distance measuring block (112) does not reach a preset value, and the second motor (308) works to add water into the cylinder (101) so that the distance moved by the distance measuring block (112) reaches a preset value.

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