A high shear chemical device for coal water slurry additives

Abstract

The invention discloses a high-shear chemical device for water-coal slurry additives, comprising a tank body, a feeding mechanism is arranged beside the outer side of the upper end of the tank body, the feeding mechanism comprises a feeding box body, a feeding funnel, a feeding barrel, a grinding assembly, a barrel-shaped filter frame, a first motor, a rotating shaft, a blade, a transmission shaft, bristles and an air filter housing, the discharge port at the bottom end of the feeding box body is connected with the inner cavity of the upper end of the tank body through a pipeline, a second motor is arranged at the middle part of the outer top end of the tank body, a disc-shaped frame is arranged at the inner cavity of the top end of the tank body, the output shaft of the second motor is movably extended into the inner cavity of the tank body and connected with the middle part of the upper end of the disc-shaped frame, a stirring shaft is evenly and vertically arranged with equal arc at the edge of the lower end of the disc-shaped frame, a stirring rod is evenly arranged on the stirring shaft, and a water guide box is arranged at the bottom of the outer end of the tank body.

Description

Technical Field

[0001] The invention relates to the field of coal-water slurry additives, and in particular to a high-shear chemical device for coal-water slurry additives. Background Art

[0002] In the process of preparing coal-water slurry, in order to ensure the quality of the prepared product, it is usually necessary to continuously add coal-water slurry additive solution. Commonly used coal-water slurry additives include dispersants and stabilizers. These two additives have poor water solubility. In order to dissolve the additives into a solution in a short time, the common stirring method of motor-driven stirring shaft and stirring rod cannot be achieved. The solution preparation time is long, which will directly affect the progress of the coal-water slurry preparation process; the particle size of the coal-water slurry additive during the preparation of the coal-water slurry additive solution will directly affect its dissolution rate; the coal-water slurry additive may be affected by moisture during the preparation, transportation and storage process, and the water content inside the coal-water slurry additive may affect its dissolution rate; the coal-water slurry additive solution may contain insoluble particles, and the introduction of insoluble particles into the coal-water slurry preparation process may affect the preparation quality of the coal-water slurry, so a new solution is now needed. Summary of the invention

[0003] In order to solve the above problems, the present invention discloses a high-shear chemical device for water-coal slurry additives, which realizes the circular rotation of the stirring shaft layout position and the self-rotation of the stirring shaft, improves the stirring efficiency, realizes the drying of the water-coal slurry additive when it is introduced, avoids the water-coal slurry additive The additive is affected by moisture and its dissolution rate is affected, and the crushing, pulverization and particle size screening of the water-coal slurry additive is achieved. The dissolution rate of the water-coal slurry additive is improved, and the screening mesh is cleaned to avoid the occurrence of blockages. The high-temperature gas is filtered and recycled for reuse. While protecting the equipment operating environment, it also saves resources (heat energy), realizes the solution filtration and export, and avoids the introduction of insoluble particles into the water-coal slurry preparation process and affecting the preparation quality of the water-coal slurry.

[0004] In order to achieve the above purpose, the present invention provides the following technical solutions: a high shear chemical device for water-coal slurry additives, comprising a tank body, a feeding mechanism is arranged on the outer side of the upper end of the tank body, and the feeding mechanism comprises a feeding box body, a feeding funnel arranged on the middle side just above the position of the feeding box body, a feeding barrel arranged between the discharge end at the bottom of the feeding funnel and the middle part of the upper end of the feeding box body, a grinding assembly arranged at the discharge end at the bottom of the feeding barrel, a barrel-shaped filter frame connected to the top of the feeding box body, a first motor arranged in the feeding box body and below the position of the barrel-shaped filter frame, a rotating shaft connected to the output shaft of the first motor through a coupling, and a uniform outer surface of the rotating shaft. The feed box body is provided with a blade, a transmission shaft vertically provided at the side end of the inner cavity of the feed box body, bristles arranged on the transmission shaft, and an air filter housing fixedly provided at the outer end of the feed box body. The discharge port at the bottom end of the feed box body is connected to the inner cavity at the upper end of the tank body through a pipeline. A second motor is provided at the middle of the top end of the outer tank body. A disc-shaped frame is provided at the inner cavity at the top end of the tank body. The output shaft of the second motor movably extends into the inner cavity of the tank body and is connected to the middle of the upper end of the disc-shaped frame. A stirring shaft is evenly and vertically provided at the edge of the lower end of the disc-shaped frame with equal arcs. A stirring rod is evenly provided on the stirring shaft, and a water guide box is provided at the bottom of the outer end of the tank body. Support legs are evenly provided at the bottom end of the tank body. The first motor and the second motor are rotating motors. A cover plate is movably provided at the upper port of the feed hopper. The first motor is supported and mounted on the bottom side of the inner cavity of the feed box body.

[0005] As an improvement of the present invention, a feed port is provided in the middle of the upper end of the feed box and the bottom end of the feed barrel is connected to the feed port, the horizontal cross-section of the feed barrel is rectangular, a quantity control plate is provided on the inner side of the feed end of the feed barrel and one end of the quantity control plate in the length direction movably passes through the inner end wall of the feed barrel and movably extends out, the grinding assembly is an existing double-roller grinder, and it includes an active grinding roller, a driven grinding roller and a driving motor, the bottom end of the feed box is set in a mud bucket shape, the non-connecting end of the rotating shaft movably extends into the barrel-shaped filter frame, an annular rotating frame is movably provided on the middle side of the top end of the feed box, the barrel-shaped filter frame is fixedly provided at the lower end of the annular rotating frame, and the blade is arranged on the barrel-shaped At the inner end of the filter frame, a first driving pulley and a worm wheel are sleeved on the output shaft of the first motor, a first driven pulley is sleeved on the bottom of the transmission shaft, a first belt is sleeved between the first driving pulley and the outside of the first driven pulley, an air guide port is opened between the air filter housing and the feed box, an air filter layer is arranged in the air filter housing, an air inlet is opened at the bottom of the side end of the feed box, the air outlet end of the air filter housing is connected to the air inlet through a pipeline, a worm is horizontally arranged between the worm wheel and the air guide port, one end of the worm is movably extended into the air guide port, fan blades are evenly arranged in the air guide port and outside the worm with equal arc, and a heating plate is arranged on the inner end wall of the feed box. The driving motor is a rotary motor, the first driving pulley and the worm wheel are located below the barrel-shaped filter frame, the air filter layer is an activated carbon layer, and the worm wheel and the worm work in coordination.

[0006] As an improvement of the present invention, a dial is sleeved on the top of the transmission shaft, an arc-shaped opening is opened on the outer end of the dial, a driving rod is connected to the middle of the inner end of the arc-shaped opening, a driving pin is provided on the non-connecting end of the driving rod, radial grooves are evenly opened on the outer end of the annular rotating frame with equal arcs, locking arcs are respectively opened on the outer end of the annular rotating frame and between the positions of the radial grooves, the dial is disc-shaped, the driving rod is arranged along the radial direction of the horizontal cross-section of the dial, and the radial groove is arranged along the radial direction of the outer end of the horizontal cross-section of the annular rotating frame. The design principle of the existing groove wheel mechanism is adopted between the dial and the annular rotating frame, and the rotation of the dial drives the annular rotating frame to rotate intermittently through the movement of the driving pin along the length direction of the radial groove.

[0007] As an improvement of the present invention, the top end of the stirring shaft is movably arranged, and a third motor is provided in the middle of the lower end of the disc-shaped frame body, and the top of the stirring shaft is respectively sleeved with a second driven pulley, and the output shaft of the third motor vertically downwards and corresponding to the position of the second driven pulley is respectively sleeved with the second driving pulley, and the second driving pulley and the outside of the second driven pulley are respectively sleeved with a second belt. A water inlet is provided between the water guide box body and the tank body, and an inclined filter rack is provided in the water guide box body, and a slag discharge port is provided at the bottom of the water guide box body corresponding to the position of the inclined filter rack, and a collection box body is detachably provided at the lower end of the water guide box body and corresponding to the position of the slag discharge port, and a drainage port is provided on the other side of the water guide box body corresponding to the water inlet position, and a water filling port is provided at the top of the tank body, and the top end of the inclined filter rack in the inclination direction is arranged close to the water inlet position, and a liquid level sensor is provided at the outer end of the tank body, and the liquid level sensor detection probe extends into the inner cavity of the tank body. The third motor is a rotating motor, the vertical height positions of the second driven pulleys are staggered, the first motor, the second motor and the third motor are respectively provided with protective shells on the outside, and the number of stirring shafts is two or more.

[0008] Compared with the prior art, the present invention has the following advantages: the second motor and the disc-shaped frame provided in the device realize the circular rotation of the arrangement position of the stirring shaft, the third motor, the second driving pulley, the second driven pulley and the second belt realize the self-rotation of the stirring shaft, the stirring shaft drives the stirring rod to rotate, and the stirring efficiency is improved; the heating plate is provided to realize the drying of the water-coal slurry additive when it is introduced, and the dissolution rate of the water-coal slurry additive is prevented from being affected by moisture; the grinding component, the first motor, the rotating shaft, the blade and the barrel-shaped filter frame are provided to realize the crushing of the water-coal slurry additive, Crushing and particle size screening can improve the dissolution rate of water-coal slurry additives. The brushes, dials and annular rotating racks are used to clean the screening mesh of the barrel filter frame to avoid blockage. The worm gear, worm, fan blades, air filter layer and air filter housing are used to filter and recycle high-temperature gases, which can protect the equipment operating environment while saving resources (heat energy). The water guide box, inclined filter frame and aggregate box are used to filter and export the solution to avoid the introduction of insoluble particles into the water-coal slurry preparation process and affect the preparation quality of the water-coal slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a simplified overall structural diagram of a high shear chemical device for coal water slurry additives of the present invention;

[0010] Figure 2 is a schematic diagram of the planar structure of the feeding mechanism;

[0011] Figure 3 is a plan view of the annular rotating frame;

[0012] Figure 4is a partial schematic diagram of the third motor driving structure;

[0013] List of reference numerals: 1, tank; 2, feeding mechanism; 3, feeding box; 4, feeding funnel; 5, feeding cylinder; 6, grinding assembly; 7, barrel-shaped filter frame; 8, first motor; 9, rotating shaft; 10, blade; 11, transmission shaft; 12, bristles; 13, air filter housing; 14, second motor; 15, disc-shaped frame; 16, stirring shaft; 17, stirring rod; 18, water guide box; 19, quantity control plate; 20, Annular rotating frame; 21, first driving pulley; 22, worm gear; 23, first driven pulley; 24, first belt; 25, worm; 26, fan blade; 27, dial; 28, arc-shaped mouth; 29, driving rod; 30, driving pin; 31, radial groove; 32, locking arc; 33, third motor; 34, second driven pulley; 35, second driving pulley; 36, second belt; 37, inclined filter frame; 38, aggregate box body. DETAILED DESCRIPTION

[0014] Example 1: See Figure 1 , Figure 2 , Figure 3 , Figure 4 A high shear chemical device for coal-water slurry additives provided by the present invention is now described, comprising a tank body 1, a feeding mechanism 2 is arranged on the outer side of the upper end of the tank body 1, and the feeding mechanism 2 comprises a feeding box body 3, a feeding funnel 4 is arranged on the middle side just above the position of the feeding box body 3, a feeding cylinder 5 is arranged between the bottom discharge end of the feeding funnel 4 and the middle part of the upper end of the feeding box body 3, a grinding assembly 6 is arranged at the bottom discharge end of the feeding cylinder 5, a barrel-shaped filter frame 7 connected to the top end of the feeding box body 3, a first motor 8 is arranged in the feeding box body 3 and below the barrel-shaped filter frame 7, a rotating shaft 9 connected to the output shaft of the first motor 8 by a coupling, blades 10 are evenly arranged on the outside of the rotating shaft 9, and a feeding box body. 3, a transmission shaft 11 is vertically provided at the side end of the inner cavity, bristles 12 are arranged on the transmission shaft 11, and an air filter shell 13 is fixedly provided at the outer end of the feed box 3. The discharge port at the bottom end of the feed box 3 is connected with the inner cavity at the upper end of the tank body 1 through a pipeline. A second motor 14 is provided in the middle of the outer top end of the tank body 1. A disc-shaped frame 15 is provided in the inner cavity at the top end of the tank body 1. The output shaft of the second motor 14 movably extends into the inner cavity of the tank body 1 and is connected to the middle of the upper end of the disc-shaped frame 15. A stirring shaft 16 is evenly and vertically provided at the edge of the lower end of the disc-shaped frame 15 with equal arcs. A stirring rod 17 is evenly provided on the stirring shaft 16. A water guide box 18 is provided at the bottom of the outer end of the tank body 1.

[0015] Example 2: See Figure 1 , Figure 2, a high shear chemical device for water-coal slurry additives provided by the present invention is now described. A feed port is opened in the middle of the upper end of the feed box 3 and the bottom end of the feed barrel 5 is connected to the feed port. The horizontal cross-section of the feed barrel 5 is rectangular. A control plate 19 is provided on the inner side of the feed end of the feed barrel 5 and one end of the control plate 19 in the length direction movably passes through the inner end wall of the feed barrel 5 and movably extends out. The grinding assembly 6 is an existing double-roller grinder, and it includes an active grinding roller, a driven grinding roller and a driving motor. The bottom end of the feed box 3 is set in a mud bucket shape, and the non-connecting end of the rotating shaft 9 movably extends into the barrel-shaped filter frame 7. An annular rotating frame 20 is movably provided on the middle side of the top end of the feed box 3, and the barrel-shaped filter frame 7 is fixedly provided at the lower end of the annular rotating frame 20. The blade 10 is arranged at At the inner end of the barrel-shaped filter frame 7, a first driving pulley 21 and a worm wheel 22 are sleeved on the output shaft of the first motor 8, a first driven pulley 23 is sleeved on the bottom of the transmission shaft 11, a first belt 24 is sleeved between the first driving pulley 21 and the outside of the first driven pulley 23, an air guide port is opened between the air filter housing 13 and the feed box 3, an air filter layer is arranged in the air filter housing 13, an air inlet is opened at the bottom of the side end of the feed box 3, the air outlet end of the air filter housing 13 is connected to the air inlet through a pipeline, a worm 25 is horizontally arranged between the worm wheel 22 and the air guide port, one end of the worm 25 is movably extended into the air guide port, fan blades 26 are evenly arranged in the air guide port and on the outside of the worm 25 with equal arcs, and a heating plate is arranged on the inner end wall of the feed box 3.

[0016] Example 3: See Figure 2 , Figure 3 , a high shear chemical device for water-coal slurry additives provided by the present invention is now described. The top end of the transmission shaft 11 is sleeved with a dial 27, and the outer end of the dial 27 is provided with an arc-shaped opening 28. The middle part of the inner end of the arc-shaped opening 28 is connected to a driving rod 29, and a driving pin 30 is provided at the non-connecting end of the driving rod 29. The outer end of the annular rotating frame 20 is uniformly provided with radial grooves 31 of equal arc, and the outer end of the annular rotating frame 20 and the locking arcs 32 are respectively provided between the positions of the radial grooves 31. The dial 27 is disc-shaped, and the driving rod 29 is arranged along the radial direction of the horizontal cross-section of the dial 27, and the radial groove 31 is arranged along the radial direction of the outer end of the horizontal cross-section of the annular rotating frame 20.

[0017] Example 4: See Figure 1 , Figure 4, a high shear chemical device for water-coal slurry additives provided by the present invention is now described. The top of the stirring shaft 16 is movably arranged, and a third motor 33 is provided at the middle of the lower end of the disc-shaped frame 15. The top of the stirring shaft 16 is respectively sleeved with a second driven pulley 34, and the third motor 33 is vertically downward on the output shaft and corresponding to the position of the second driven pulley 34. The second driving pulley 35 and the second driven pulley 34 are respectively sleeved with a second belt 36. The water guide box 18 and the tank body 1 are opened with an inlet. Water inlet, an inclined filter frame 37 is provided in the water guide box 18, a slag discharge port is provided at the bottom of the water guide box 18 and corresponds to the position of the inclined filter frame 37, a collection box 38 is detachably provided at the lower end of the water guide box 18 and corresponds to the position of the slag discharge port, a drainage port is provided at the other side end of the water guide box 18 corresponding to the water inlet position, a water injection port is provided at the top of the tank body 1, the top end of the inclined filter frame 37 in the inclination direction is arranged close to the water inlet position, a liquid level sensor is provided at the outer end of the tank body 1 and the liquid level sensor detection probe extends into the inner cavity of the tank body 1.

[0018] The present invention can also combine at least one of the technical features described in Examples 2, 3, and 4 with Example 1 to form a new implementation manner.

[0019] Working principle: The water-coal slurry additive is introduced into the feed hopper, and then introduced into the feed box through the feed tube. The control plate is used to adjust the amount of the additive introduced. The grinding component is a double-roller grinder of the current equipment, which is used to introduce the water-coal slurry additive for crushing. The crushed additive is introduced into the barrel-shaped filter frame. The operation of the first motor drives the rotating shaft to rotate. The rotation of the rotating shaft drives the blade to rotate at high speed to achieve efficient crushing of the additive after crushing. The barrel-shaped filter frame is provided to achieve the particle size screening of the crushed material. The operation of the first motor drives the transmission shaft to rotate through the first active pulley, the first driven pulley, and the first belt. The brush is provided to clean the barrel-shaped filter frame to prevent the filter hole from being blocked. The barrel-shaped filter frame is arranged at the lower end of the annular rotating frame. The dial and the annular rotating frame are designed using the principle of the existing groove wheel mechanism. The driving pin moves along the length direction of the radial groove to drive the annular rotating frame to rotate intermittently, and the annular rotating frame drives the barrel-shaped filter frame to rotate intermittently. The operation of the first motor drives the fan blades to rotate through the coordinated operation of the worm gear, and the rotation of the fan blades realizes air flow. The heating plate is provided to realize the heating and drying of the materials introduced into the feed box, and the air filter layer realizes the filtration of the exported high-temperature gas. The crushed water-coal slurry additive is introduced into the tank body, the water injection port is used for water introduction, and the liquid level sensor is provided for detecting the water level inside the tank body. The operation of the second motor drives the disc-shaped frame to rotate, thereby driving the stirring shaft position to rotate in a circle. The operation of the third motor drives the stirring shaft to rotate through the second active pulley, the second driven pulley, and the second belt. The rotation of the stirring shaft causes the stirring rod to rotate, realizing efficient stirring inside the tank body. After stirring inside the tank body, the solution is discharged through the water guide box body, and the inclined filter frame is provided to realize the filtration of the exported solution. The aggregate box body is used to collect the residue in the solution.

[0020] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. A high shear chemical device for coal water slurry additives, comprising a tank body (1), characterized in that: A feeding mechanism (2) is provided on the outer side of the upper end of the tank body (1), and the feeding mechanism (2) comprises a feeding box body (3), a feeding hopper (4) provided on the middle side just above the feeding box body (3), a feeding barrel (5) provided between the bottom discharge end of the feeding hopper (4) and the middle part of the upper end of the feeding box body (3), a grinding assembly (6) provided on the bottom discharge end of the feeding barrel (5), a barrel-shaped filter frame (7) connected to the top end of the feeding box body (3), a first motor (8) provided in the feeding box body (3) and below the barrel-shaped filter frame (7), a rotating shaft (9) connected to the output shaft of the first motor (8) through a coupling, blades (10) evenly provided on the outside of the rotating shaft (9), a transmission shaft (11) vertically provided on the side end of the inner cavity of the feeding box body (3), Brushes (12) are arranged on the transmission shaft (11) and an air filter housing (13) is fixedly provided at the outer end of the feed box (3); the discharge port at the bottom end of the feed box (3) is connected to the inner cavity of the upper end of the tank body (1) through a pipeline; a second motor (14) is provided at the middle of the outer top end of the tank body (1); a disc-shaped frame (15) is provided at the inner cavity of the top end of the tank body (1); the output shaft of the second motor (14) movably extends into the inner cavity of the tank body (1) and is connected to the middle of the upper end of the disc-shaped frame (15); a stirring shaft (16) is evenly and vertically provided at the edge of the lower end of the disc-shaped frame (15) with equal arcs; stirring rods (17) are evenly provided on the stirring shaft (16); and a water guide box (18) is provided at the bottom of the outer end of the tank body (1); A feed port is provided in the middle of the upper end of the feed box (3), and the bottom end of the feed barrel (5) is connected to the feed port. The horizontal cross-section of the feed barrel (5) is rectangular. A control plate (19) is provided on the inner side of the feed end of the feed barrel (5), and one end of the control plate (19) in the length direction movably penetrates through the inner end wall of the feed barrel (5) and movably extends out. The grinding assembly (6) is an existing double-roller grinding machine, and it includes an active grinding roller, a driven grinding roller and a driving motor. The bottom end of the feed box (3) is set in a mud bucket shape, and the non-connecting end of the rotating shaft (9) movably extends into the barrel-shaped filter frame (7). An annular rotating frame (20) is movably provided on the middle side of the top end of the feed box (3), and the barrel-shaped filter frame (7) is fixedly provided at the lower end of the annular rotating frame (20). The blade (10) is arranged at the inner end of the barrel-shaped filter frame (7). The first motor ( 8) A first driving pulley (21) and a worm wheel (22) are sleeved on the output shaft, a first driven pulley (23) is sleeved on the bottom of the transmission shaft (11), a first belt (24) is sleeved between the first driving pulley (21) and the first driven pulley (23), an air guide port is provided between the air filter housing (13) and the feed box (3), an air filter layer is provided inside the air filter housing (13), an air inlet is provided at the bottom of the side end of the feed box (3), an air outlet end of the air filter housing (13) is connected to the air inlet through a pipeline, a worm (25) is horizontally provided between the worm wheel (22) and the air guide port, one end of the worm (25) is movably extended into the air guide port, fan blades (26) are evenly provided in the air guide port and outside the worm (25) with equal arcs, and a heating plate is provided on the inner end wall of the feed box (3); The top end of the transmission shaft (11) is sleeved with a dial (27), the outer end of the dial (27) is provided with an arc-shaped opening (28), the middle part of the inner end of the arc-shaped opening (28) is connected to a driving rod (29), the non-connecting end of the driving rod (29) is provided with a driving pin (30), the outer end of the annular rotating frame (20) is provided with radial grooves (31) of equal arc, the outer end of the annular rotating frame (20) and locking arcs (32) are respectively provided between the positions of the radial grooves (31), the dial (27) is disc-shaped, the driving rod (29) is arranged along the radial direction of the horizontal cross section of the dial (27), and the radial groove (31) is arranged along the radial direction of the outer end of the horizontal cross section of the annular rotating frame (20); The top of the stirring shaft (16) is movably arranged, a third motor (33) is provided at the middle of the lower end of the disc-shaped frame (15), a second driven pulley (34) is sleeved on the top of the stirring shaft (16), the output shaft of the third motor (33) is vertically downward and sleeved on the second driving pulley (35) at the position corresponding to the second driven pulley (34), a second belt (36) is sleeved between the second driving pulley (35) and the outside of the second driven pulley (34), a water inlet is provided between the water guide box (18) and the tank body (1), and the inside of the water guide box (18) is provided with a water inlet. An inclined filter frame (37) is provided, a slag discharge port is provided at the bottom end of the water guide box (18) and at a position corresponding to the inclined filter frame (37), a material collection box (38) is detachably provided at the lower end of the water guide box (18) and at a position corresponding to the slag discharge port, a drainage port is provided at the other side end of the water guide box (18) corresponding to the water inlet position, a water injection port is provided at the top end of the tank body (1), the top end of the inclined filter frame (37) in the inclination direction is arranged close to the water inlet position, a liquid level sensor is provided at the outer end of the tank body (1), and a detection probe of the liquid level sensor extends into the inner cavity of the tank body (1).

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