A water slurry preparation device

Abstract

The present invention relates to the technical field of water slurry processing, and particularly to a water slurry preparation device, which includes a tank body and a partition plate slidably located inside the tank body along the axis direction of the tank body. The partition plate divides the interior of the tank body into two chambers. When feeding into one chamber and the space of this chamber increases, the other chamber discharges materials outward and the space of this chamber decreases; by dividing the tank body into two chambers through the partition plate, and using the method of filling and discharging raw materials, the tank body is always filled with raw materials, avoiding the entry of air, thus effectively avoiding the methods of evacuating or filling inert gas to discharge air in the traditional way, reducing the consumption of resources and energy, lowering the operation cost, simplifying the preparation work, reducing time waste, significantly improving the preparation efficiency of water slurry fuel, and being suitable for large-scale continuous production.

Description

Technical Field

[0001] The present invention relates to the technical field of coal water slurry processing, and particularly to a coal water slurry preparation device. Background Art

[0002] Coal Water Slurry Fuel (CWSF) is a slurry fuel made by mixing pulverized coal or petroleum coke and other carbonaceous raw materials with water and a small amount of additives. Through a specific preparation process, it converts solid fuel into a liquid form for easy storage, transportation, and combustion. Coal Water Slurry Fuel has the fluidity similar to heavy oil and can be directly used in combustion equipment such as industrial boilers, power station boilers, and kilns. The calorific value of Coal Water Slurry Fuel is relatively high, usually reaching 20 - 30 MJ / kg, close to that of heavy oil, which can meet the requirements of industrial combustion. At the same time, it also has the advantages of low pollution, low cost, easy storage and transportation, and high resource utilization rate, so it can be widely used;

[0003] When preparing Coal Water Slurry Fuel, it is necessary to stir and mix pulverized coal or petroleum coke particles with low ash content and low sulfur content after grinding with water, dispersants, stabilizers and other additives in a certain proportion in a sealed container to form a uniform slurry. To avoid the raw materials in the container contacting with air and generating oxidation reactions, resulting in raw material pollution, it is necessary to evacuate the air in the container or fill the container with inert gas before each mixing to reduce the oxygen content in the container. However, whether it is by the method of vacuum pumping or filling with inert gas, it will cause a large amount of loss of resources and energy, and this method will also cause a long preparation time, affecting the preparation efficiency of Coal Water Slurry Fuel. Summary of the Invention

[0004] The present invention provides a coal water slurry preparation device, which can effectively solve the problems in the background art.

[0005] To achieve the above object, the technical solution adopted in the present invention is:

[0006] A storage tank, comprising a tank body and a partition plate slidably located in the tank body along the axis direction of the tank body. The partition plate divides the interior of the tank body into two chambers. When feeding into one chamber and the space of this chamber increases, the other chamber discharges materials outward and the space of this chamber decreases;

[0007] The partition plate includes a movable plate and a sealing structure for sealing between the movable plate and the tank body.

[0008] In some embodiments of the present invention, a sealing plate is encapsulated in each end opening at both ends of the tank body, and the sealing plate moves along the axis direction of the tank body to adjust the space size of the chamber.

[0009] A water slurry preparation device includes the storage tank, and also includes a machine platform, a support body installed on the machine platform, and a stirring structure installed in the tank body. The storage tank is installed in the support body, and a plurality of pipe groups for feeding or discharging materials are arranged on each sealing plate.

[0010] In some embodiments of the present invention, the tank body rotates with the diameter line of the tank body where its own central point is located as the rotation axis.

[0011] In some embodiments of the present invention, the tank body rotates around its own axis for self-rotation movement.

[0012] In some embodiments of the present invention, the stirring structure is a plurality of stirring plates circumferentially distributed around the axis of the tank body, and the stirring plates pass through the movable plate and the sealing plate and slide relatively, and the ends of the stirring plates are fixed to the ends of the tank body.

[0013] In some embodiments of the present invention, the preparation device further includes a pushing structure for respectively providing a thrust towards the inner side of the tank body for the two sealing plates, and the thrust value of the pushing structure is constant.

[0014] In some embodiments of the present invention, the pushing structure includes a first sliding rod and an inclined rod. The first sliding rod is relatively fixed to the tank body. One end of the first sliding rod is rotatably connected to one end of the inclined rod. A connecting body is arranged at the other end of the inclined rod. A spring is connected between the connecting body and the other end of the first sliding rod. A first sliding sleeve is slidably arranged on the first sliding rod. An auxiliary wheel for cooperating with the inclined rod is arranged on one side of the first sliding sleeve. A connecting rod connected to the sealing plate is arranged on the other side of the first sliding sleeve, and the connecting rod moves along the axis direction of the tank body.

[0015] In some embodiments of the present invention, the connecting body includes a second sliding rod and a second sliding sleeve slidably located on the second sliding rod. The second sliding sleeve is rotatably connected to the inclined rod. The first sliding rod is connected to the second sliding rod, and the second sliding rod can move along the perpendicular connection line direction between the second sliding rod and the first sliding rod.

[0016] In some embodiments of the present invention, the first sliding rod includes a fixed sleeve and an inserting rod. The inserting rod slides on the fixed sleeve, and the inserting rod and the fixed sleeve are fastened by bolts. The inserting rod is rotatably connected to the inclined rod, and the first sliding sleeve is slidably installed on the inserting rod.

[0017] Through the technical solution of the present invention, the following technical effects can be achieved:

[0018] The tank body is divided into two chambers by a partition board. By means of filling and discharging raw materials, the tank body is always filled with raw materials, avoiding the entry of air. Thus, it effectively avoids the methods of evacuating or filling inert gas to expel air in the traditional way, reduces the consumption of resources and energy, lowers the operation cost, simplifies the preparation work, reduces time waste, significantly improves the preparation efficiency of water-coal slurry fuel, and is suitable for large-scale continuous production. Brief Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic structural diagram of the storage tank in the embodiment of the present invention;

[0021] Figure 2 It is a schematic cross-sectional structural diagram of the tank body in the embodiment of the present invention;

[0022] Figure 3 It is a schematic structural diagram of the preparation equipment in the embodiment of the present invention;

[0023] Figure 4 It is a schematic cross-sectional structural diagram of the support body in the embodiment of the present invention;

[0024] Figure 5 It is a schematic structural diagram of the pushing structure in the embodiment of the present invention.

[0025] Reference Numerals:

[0026] 100, tank body; 101, movable plate; 102, sealing structure; 103, sealing plate; 104, limiting structure; 105, machine platform; 106, support body; 107, pipe group; 108, docking structure; 109, support ring; 110, first transmission ring; 111, second transmission ring; 112, auxiliary disc; 113, stirring plate; 114, first branch pipe; 115, second branch pipe;

[0027] 200, pushing structure; 201, first sliding rod; 202, inclined rod; 203, spring; 204, first sliding sleeve; 205, auxiliary wheel; 206, connecting rod; 207, second sliding rod; 208, second sliding sleeve; 209, fixed sleeve; 210, inserting rod. Detailed Embodiments

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0030] As Figures 1 to 2 shown, the storage tank of the present invention includes a tank body 100 and a partition plate that slides along the axis direction of the tank body 100 and is located inside the tank body 100. The partition plate divides the interior of the tank body 100 into two chambers. When feeding into one chamber and the space of this chamber increases, the other chamber discharges materials outward and the space of this chamber decreases.

[0031] The partition plate includes a movable plate 101 and a sealing structure 102 for sealing between the movable plate 101 and the tank body 100.

[0032] As can be seen from the above embodiments, the partition plate composed of the movable plate 101 and the sealing structure 102 divides the interior of the tank body 100 into two chambers, and both chambers can carry out the work of storing raw materials. Here, the raw materials refer to pulverized coal or petroleum coke particles with low ash content and low sulfur content after grinding, water, and additives such as dispersants and stabilizers. Since the partition plate can move along the axis direction of the tank body 100 inside the tank body 100, the space sizes of the two chambers are adjustable. That is, when the space of one chamber increases, the space of the other chamber decreases. When the space of the chamber increases, the raw materials enter this chamber. When the space of the chamber decreases, the raw materials in the chamber are discharged from the chamber. In this way, the interior of the tank body 100 can always be filled with raw materials without air entering. Therefore, when processing water-coke slurry fuel, there is no need to perform operations such as evacuating the tank body 100 or filling it with inert gas. The raw materials of the water-coke slurry fuel can be directly processed and stored without long-term preparation work, improving work efficiency, and its operation method is simple, which can effectively reduce the consumption of resources and energy.

[0033] In actual use, the tank body 100 can adopt a cylindrical structure of any shape such as a columnar shape or a square shape. As long as it can form two chambers with variable sizes by using the partition plate, it is within the protection scope of this case. The movement of the movable plate 101 can be promoted by adding raw materials into one chamber. At this time, the other chamber can carry out the discharging work by means of this promotion method. The sealing structure 102 is mainly used to seal the inner wall of the tank body 100 and the movable plate 101. The sealing structure 102 can be a low-friction rubber ring or a sealing ring made of materials such as polytetrafluoroethylene, polyurethane, and silicone rubber;

[0034] It should be noted that the raw materials of the water-based slurry fuel will be stored and stirred and mixed in the chamber. After the raw materials in the chamber are mixed, they are discharged and the next storage and stirring and mixing work of the raw materials is carried out. Of course, the tank body 100 only needs to play a storage role here. When the tank body 100 is initially started and used, since there is no raw material filled in it, there will be air inside it. At this time, the partition plate can be moved to one end of the tank body 100, and the partition plate is attached to one end of the tank body 100 to reduce the chamber between them to the minimum or disappear. Raw materials are introduced into this chamber, and the raw materials push the partition plate to move in the reverse direction and squeeze out the air in the other chamber, so that the tank body 100 starts to work. Since the raw materials will always be filled in the tank body 100, there is no need to carry out the air discharging work. Of course, since the partition plate will continuously reciprocate in the tank body 100, two chambers can be used to realize the alternating storage, mixing and processing work of the water-based slurry fuel, that is, to realize the continuous production method of the water-based slurry fuel, further improving the processing efficiency;

[0035] The tank body 100 is divided into two chambers by the partition plate. By means of filling and discharging raw materials, the tank body 100 is always filled with raw materials, avoiding the entry of air, thus effectively avoiding the methods of evacuating or filling inert gas to discharge air in the traditional method, reducing the consumption of resources and energy, lowering the operation cost, simplifying the preparation work, reducing the time waste, significantly improving the preparation efficiency of the water-based slurry fuel, and being suitable for large-scale continuous production.

[0036] Optimized based on the above implementation, a sealing plate 103 is encapsulated in each end opening at both ends of the tank body 100, and the sealing plate 103 moves along the axial direction of the tank body 100 to adjust the space size of the chamber;

[0037] In the present invention, by using the movable setting of the sealing plate 103, it is convenient to adjust the volume of the chamber, so as to conveniently meet different storage requirements. At the same time, the setting of the sealing plate 103 can block the end of the tank body 100 to achieve the independent and isolated effect of the chamber. It should be noted that the moving direction of the sealing plate 103 is the same as that of the partition plate, and the position movement of the sealing plate 103 can be realized by structures such as cylinders and motors in the traditional structure. To prevent the sealing plate 103 from detaching from the tank body 100, a limiting structure 104 can be provided at the end of the tank body 100 to limit the position of the sealing plate 103, and the limiting structure 104 can adopt structures such as a rib or a protrusion.

[0038] As Figures 3 to 4 shown, a water slurry preparation device of the present invention includes the storage tank, and also includes a machine table 105, a support body 106 installed on the machine table 105, and a stirring structure installed in the tank body 100. The storage tank is installed in the support body 106, and a plurality of pipe groups 107 for feeding or discharging materials are arranged on each sealing plate 103;

[0039] In the above embodiment, the machine table 105 can provide a supporting effect for the storage tank through the support body 106. The support body 106 can be cylindrical, and the tank body 100 is located inside the cylindrical support body 106. A plurality of pipe groups 107 are arranged on each sealing plate 103. The pipe groups 107 can realize the feeding and discharging work, and each pipe group 107 can feed different raw materials. When discharging materials, at least one pipe group 107 can be opened to discharge the raw materials. In actual use, a docking structure 108 can be arranged on each pipe group 107 to achieve the self-sealing effect of the pipe group 107. When feeding and discharging materials, the external pipeline is docked with the docking structure 108 and pushes the docking structure 108 to open. At this time, the pipe group 107 is communicated with the docking structure 108. When the external pipeline is separated from the docking structure 108, the docking structure 108 realizes the self-sealing effect, so as to isolate the chamber from the outside. The docking structure 108 can adopt a self-sealing joint or other structures with the same function, or can also adopt the form of a split male head and female head. The male head is installed on the pipe group 107, and the female head is installed on the external pipeline, and they are all within the protection scope of this case;

[0040] In the present invention, the specific shapes, installation positions, angles, etc. of the machine table 105 and the support body 106 are not limited. The stirring structure can stir the raw materials in the tank body 100 to realize the preparation work of the raw materials.

[0041] Optimized on the basis of the above embodiment, the tank body 100 rotates with the diameter line of the tank body 100 where its own center point is located as the rotation axis;

[0042] Based on the above embodiments, since the raw materials in the tank body 100 need to be stirred during preparation, the rotation of the tank body 100 can drive the raw materials to perform a turning motion, thereby further improving the stirring effect. And because the rotation of the tank body 100 rotates with the radial line of the tank body 100 where its own central point is located as the rotation axis, this turning motion of the tank body 100 can realize the position exchange between the bottom and the top of the chamber, thus avoiding the phenomenon of the raw materials sinking to the bottom during stirring. At the same time, this motion mode can make the granular raw materials circulate through the coverage range of the stirring structure, so as to continuously stir the granular raw materials by using the stirring structure;

[0043] During actual use, as Figure 4 shown, a support ring 109 can be sleeved in the middle of the tank body 100, so that the support ring 109 is rotatably installed on the machine platform 105. A rotating shaft is arranged on the outer wall of the support ring 109 along the radial line of the support ring 109, and the rotating shaft is rotatably installed on the machine platform 105. Therefore, the tank body 100 can be directly driven to rotate by rotating the rotating shaft and the support ring 109; of course, other structures can also be used to achieve the rotation effect of the tank body 100, which are all within the protection scope of this case.

[0044] Optimized from the above embodiments, the tank body 100 performs a self-rotation motion with its own axis as the rotation axis;

[0045] In order to further complicate the motion form of the raw materials in the tank body 100, the tank body 100 can be made to perform a self-rotation motion, so that the tank body 100 can both revolve and rotate. Coupled with the mixing of the raw materials by the stirring structure, the stirring effect can be further improved; due to the self-rotation of the tank body 100, the raw materials near the inner wall of the tank body 100 can circulate in the tank body 100 and move towards the position of the stirring structure by using the revolution of the tank body 100, thus avoiding the drawback that the raw materials stay between the stirring structure and the inner wall of the tank body 100 and causing ineffective stirring of this part of the raw materials;

[0046] During actual use, as Figure 4 shown, a first transmission ring 110 coaxial with the rotating shaft can be arranged on the machine platform 105, and a second transmission ring 111 is sleeved on the outer wall of the tank body 100. The first transmission ring 110 is in transmission connection with the second transmission ring 111. In this way, when the rotating shaft rotates and drives the support ring 109 and the tank body 100 to revolve, the tank body 100 will drive the second transmission ring 111 to roll on the first transmission ring 110, so as to realize the self-rotation motion of the tank body 100; of course, in some embodiments, a structure such as a motor that directly provides self-rotation power for the tank body 100 can also be used, which are all within the protection scope of this case;

[0047] It should be noted that when the raw materials in the tank body 100 are agitated, both the tank body 100 and its upper sealing plate 103 are in a moving state. For the convenience of feeding and discharging, the pipe group 107 on the sealing plate 103 cannot rotate with the tank body 100. Therefore, the pipe group 107 needs to be further defined, such as Figure 2 As shown, an auxiliary disk 112 is rotatably arranged in the middle of each sealing plate 103. The auxiliary disk 112 penetrates the sealing plate 103. One end of the pipe group 107 is installed on the auxiliary disk 112 and communicates with the inside of the chamber. The other end of the pipe group 107 passes through the support body 106 and is fixedly connected. The support body 106 is rotatably connected to the machine platform 105. In this way, when the tank body 100 revolves, it will drive the support body 106 to rotate synchronously. When the tank body 100 rotates, due to the limitation of the support body 106, the pipe group 107 and the auxiliary disk 112 cannot rotate. In this way, the distribution positions of several pipe groups 107 on the sealing plate 103 can be kept relatively fixed, so as to facilitate docking with external pipelines and realize the feeding and discharging work; when the shape of the tank body 100 is cylindrical and the sealing plate 103 is circular, since the sealing plate 103 can rotate relative to the tank body 100, the auxiliary disk 112 can also not be installed.

[0048] Optimized based on the above implementation, such as Figure 2 As shown, the agitating structure is several agitating plates 113 circumferentially distributed around the axis of the tank body 100, and the agitating plates 113 penetrate the movable plate 101 and the sealing plate 103 and slide relatively. The ends of the agitating plates 113 are fixed to the ends of the tank body 100;

[0049] To meet the requirements that the partition plate and the sealing plate 103 can move in the tank body 100 and the agitating effect of the agitating structure on the raw materials, the agitating plates 113 can penetrate the partition plate and the sealing plate 103. In this way, when the tank body 100 moves, the agitating plates 113 will move synchronously and agitate the raw materials in the chamber, and the change of the chamber space size will not interfere with the agitating plates 113 or be affected by the agitating plates 113; to improve the agitating effect of the agitating plates 113 on the raw materials, the interface of the agitating plates 113 can be any shape such as arc-shaped, wavy, etc. In the direction along the axis of the tank body 100, the agitating plates 113 need to be kept straight; both ends of the agitating plates 113 are installed at both ends of the tank body 100 through structures such as fixing plates and protrusions.

[0050] Optimized based on the above implementation, the preparation equipment further includes a pushing structure 200 for respectively providing a thrust towards the inner side of the tank body 100 for the two sealing plates 103, and the thrust value of the pushing structure 200 is constant;

[0051] After the water-based slurry raw materials are mixed, they are generally in a slurry state. During the mixing process of the water-based slurry fuel, pressurization can enhance the contact opportunity between water molecules and the particle surface, improve the penetration ability of the liquid, make it easier for water to infiltrate into the particle surface and microporous structure, reduce the presence of air bubbles, and avoid air bubbles from hindering the contact between water and particles. Therefore, pressurization can increase the wetting effect of the particulate matter in the water-based slurry raw materials and improve the mixing uniformity. Under the condition of pressurization, the collision energy between particles increases, which helps to break the agglomeration phenomenon, make the particles more evenly dispersed in water, and optimize the fluidity and viscosity of the slurry by improving the bonding degree between particles and water. Therefore, it can significantly improve the slurry-forming effect, especially when dealing with fine particles that are difficult to disperse.

[0052] In the present invention, by using the pushing structure 200 to provide a constant value of thrust to the sealing plate 103, when the chamber volume changes, the pressure of the raw materials in the chamber remains constant, so as to improve the uniformity and consistency during the preparation of the raw materials into slurry, and avoid the influence of pressure changes on the slurry-forming effect.

[0053] It should be noted that the pushing structure 200 can be installed on the support body 106 or directly installed on the tank body 100; as Figure 1 shown, since the sealing plate 103 can move within the tank body 100, the pipe group 107 can be split into the form of a first sub-pipe 114 and a second sub-pipe 115, that is, the first sub-pipe 114 and the second sub-pipe 115 are sleeved and slidably connected to each other, and the first sub-pipe 114 is fixedly connected to the auxiliary disk 112, the second sub-pipe 115 passes through the support body 106 and is fixedly connected to each other, and the docking structure 108 is fixed on the second sub-pipe 115. In this way, when the stirring plate 113 moves, the first sub-pipe 114 can slide on the second sub-pipe 115, and the relative position of the docking structure 108 on the support body 106 remains fixed, thus avoiding the risk that 118 moves randomly and cannot be docked with the external pipeline.

[0054] Optimized based on the above implementation, the pushing structure 200 includes a first sliding rod 201 and an inclined rod 202. The first sliding rod 201 is relatively fixed to the tank body 100. One end of the first sliding rod 201 is rotatably connected to one end of the inclined rod 202. A connecting body is provided at the other end of the inclined rod 202. A spring 203 is connected between the connecting body and the other end of the first sliding rod 201. A first sliding sleeve 204 is slidably arranged on the first sliding rod 201. An auxiliary wheel 205 that cooperates with the inclined rod 202 is arranged on one side of the first sliding sleeve 204. A connecting rod 206 connected to the sealing plate 103 is arranged on the other side of the first sliding sleeve 204, and the connecting rod 206 moves along the axis direction of the tank body 100.

[0055] In the present invention, the first sliding rod 201 can be fixed to the tank body 100 through other structures or directly, or can be fixed to the support body 106. Here, taking the first sliding rod 201 fixed to the support body 106 as an example, as Figure 5 shown, the first sliding rod 201 is fixed to the support body 106, and the length direction of the first sliding rod 201 is along the axis direction of the tank body 100. The inclined rod 202 and the first sliding rod 201 form a V shape, and the V shape opening faces the tank body 100. The first sliding rod 201 is inclined. The connecting rod 206 passes through the support body 106 and is connected to the auxiliary disc 112, thereby connecting the support body 106 and the sealing plate 103. The spring 203 provides an elastic pulling force for the inclined rod 202. Due to the inclination of the inclined rod 202, the inclined rod 202 generates an inclined thrust on the first sliding sleeve 204 through the auxiliary wheel 205. The first sliding sleeve 204 slides on the first sliding rod 201, and the first sliding sleeve 204 will provide a driving force for the sealing plate 103 through the connecting rod 206 and the auxiliary disc 112. In this way, the effect of providing a thrust for the sealing plate 103 is achieved. And since the inclined rod 202 rotates with the end of the first sliding rod 201 as the rotation point, when the first sliding sleeve 204 moves, the length of the force arm between the first sliding sleeve 204 and the rotation point changes. At this time, the length and elastic force of the spring 203 will change synchronously, and the inclination angle of the force exerted by the inclined rod 202 on the first sliding sleeve 204 changes synchronously. Thus, by using this comprehensive change form, the value of the force exerted on the first sliding sleeve 204 along the length direction of the first sliding rod 201 can be kept constant, thereby achieving the effect of a constant driving force;

[0056] Of course, based on this embodiment, the form of directly or indirectly fixing the first sliding rod 201 to the tank body 100 can also be adopted. As long as it can meet the requirements of this case, it is within the protection scope of this case.

[0057] Optimized based on the above implementation, the connecting body includes a second sliding rod 207 and a second sliding sleeve 208 slidably located on the second sliding rod 207. The second sliding sleeve 208 is rotatably connected to the inclined rod 202. The first sliding rod 201 is connected to the second sliding rod 207, and the second sliding rod 207 can move along the perpendicular connection line direction between the second sliding rod 207 and the first sliding rod 201;

[0058] In the present invention, the movement form of the second sliding rod 207 can allow the spring 203 to remain in a straight state, that is, when the spring 203 is stretched or compressed, it will not bend and deform, but only undergo straight compression deformation. In this way, it can be ensured that the force exerted by the spring 203 on the end of the inclined rod 202 can be directly calculated through the compression length of the spring 203, thereby realizing the generation of a constant thrust for the first sliding sleeve 204 and avoiding the uncontrollable elastic force value when the spring 203 bends, resulting in the inability of the first sliding sleeve 204 to generate a constant thrust;

[0059] Based on the above embodiments, the second sliding rod 207 is slidably mounted on the support body 106. The second sliding rod 207 is parallel to the first sliding rod 201, and the second sliding sleeve 208 is slidably mounted on the second sliding rod 207. When the inclination angle of the inclined rod 202 changes, the inclined rod 202 pushes the second sliding rod 207 to move through the second sliding sleeve 208, thereby stretching or compressing the spring 203. Since the pushing structure 200 provides a constant thrust, the movement of the sealing plate 103 is mainly controlled by the amount of raw materials filled in the chamber.

[0060] Optimized based on the above embodiment, the first sliding rod 201 includes a fixed sleeve 209 and a plug rod 210. The plug rod 210 slides on the fixed sleeve 209, and the plug rod 210 and the fixed sleeve 209 are fastened by bolts. The plug rod 210 is rotatably connected to the inclined rod 202, and the first sliding sleeve 204 is slidably mounted on the plug rod 210.

[0061] When adjusting the thrust value of the pushing structure 200, the height position of the inclined rod 202 can be adjusted by moving the plug rod 210 on the fixed sleeve 209, so as to adjust the lever arm length between the first sliding sleeve 204 and the rotation point, that is, the inclination angle of the inclined rod 202. Here, the fixed sleeve 209 can be fixed on the support body 106, the plug rod 210 is slidably inserted into the fixed sleeve 209, and the fixed sleeve 209 and the plug rod 210 can be fastened by bolts.

[0062] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A water-coal slurry preparation device, characterized in that, It includes a storage tank, which comprises a tank body and a partition plate that slides along the axis direction of the tank body and is located inside the tank body. The partition plate divides the interior of the tank body into two chambers. When feeding into one chamber and the space of this chamber increases, the other chamber discharges materials outward and the space of this chamber decreases; The partition plate includes a movable plate and a sealing structure for sealing between the movable plate and the tank body; Sealing plates are encapsulated in each end opening at both ends of the tank body, and the sealing plates move along the axis direction of the tank body to adjust the space size of the chambers; The preparation equipment further includes a machine table, a support body installed on the machine table, and a stirring structure installed inside the tank body. The storage tank is installed inside the support body, and several pipe groups for feeding or discharging materials are arranged on each sealing plate; The tank body rotates with the diameter line of the tank body where its center point is located as the rotation axis; The tank body rotates around its own axis for self-rotation movement; The stirring structure is several stirring plates that are circumferentially distributed around the axis of the tank body, and the stirring plates pass through the movable plate and the sealing plate and slide relatively. The ends of the stirring plates are fixed at the ends of the tank body.

2. The water-coal slurry preparation device according to claim 1, characterized in that, The preparation equipment further includes a pushing structure for respectively providing a thrust towards the inner side of the tank body for the two sealing plates, and the thrust value of the pushing structure is constant.

3. The water-coal slurry preparation device according to claim 2, characterized in that, The pushing structure includes a first sliding rod and an inclined rod. The first sliding rod is relatively fixed to the tank body. One end of the first sliding rod is rotatably connected to one end of the inclined rod. A connecting body is arranged at the other end of the inclined rod. The connecting body and the other end of the first sliding rod are connected by a spring. A first sliding sleeve is slidably arranged on the first sliding rod. An auxiliary wheel for cooperating with the inclined rod is arranged on one side of the first sliding sleeve. A connecting rod connected to the sealing plate is arranged on the other side of the first sliding sleeve, and the connecting rod moves along the axis direction of the tank body.

4. A water-coal slurry preparation device according to claim 3, characterized in that, The connecting body includes a second sliding rod and a second sliding sleeve that slides on the second sliding rod. The second sliding sleeve is rotatably connected to the inclined rod. The first sliding rod is connected to the second sliding rod, and the second sliding rod can move along the perpendicular connection line direction between the second sliding rod and the first sliding rod.

5. The water-coal slurry preparation device according to claim 4, characterized in that, The first sliding rod includes a fixed sleeve and an inserting rod. The inserting rod slides on the fixed sleeve, and the inserting rod and the fixed sleeve are fastened by bolts. The inserting rod is rotatably connected to the inclined rod, and the first sliding sleeve is slidably installed on the inserting rod.

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