CN115837394A - Solid waste reduction and recovery treatment device and method for mine environment treatment - Google Patents
Solid waste reduction and recovery treatment device and method for mine environment treatment Download PDFInfo
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- CN115837394A CN115837394A CN202310123771.9A CN202310123771A CN115837394A CN 115837394 A CN115837394 A CN 115837394A CN 202310123771 A CN202310123771 A CN 202310123771A CN 115837394 A CN115837394 A CN 115837394A
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Abstract
The invention discloses a solid waste reduction recovery processing device and a method for mine environment treatment, wherein the device comprises a solid waste crushing component, a metal ion exchange component and a curing component which are arranged on a bottom plate; the solid waste crushing assembly comprises a main crushing component, an auxiliary crushing mesh screen sleeved outside the main crushing component, an outer shell sleeved outside the auxiliary crushing mesh screen and connected with a bottom plate, and a crushing motor for providing power for the main crushing component; the curing assembly comprises a curing cylinder, a filter cylinder arranged at the upper end of the curing cylinder, an inner cylinder sleeved in the filter cylinder, a pressing plate connected in the filter cylinder in a sliding and clamping manner and a pushing motor for providing power for the pressing plate, wherein the pressing plate is provided with a material guide pipe penetrating through the curing cylinder; the device provided by the invention can be used for crushing, extracting and solidifying the heavy metal from the mine solid waste, and the reduction treatment effect of the mine solid waste is improved.
Description
Technical Field
The invention relates to the technical field of solid waste treatment, in particular to a solid waste reduction recovery treatment device and method for mine environment treatment.
Background
The mountain areas in China are wide, including mountainous regions, rugged plateaus and hills, which account for about two thirds of the land area in China, and the mountain areas have great advantages in mining, but are easy to bow and cause geological disasters if the mining areas protect the environment unfavorably; the damage to the environment caused by mining is divided into: geological damage, environmental pollution and landscape damage. The mine solid waste pollution is pollution caused by mine solid waste, and comprises a large amount of waste rocks generated by strip mine stripping and in-pit mining, coal gangue generated by coal mining, tailings generated by mineral separation, slag generated by smelting and the like; and along with the development of society, the importance of ecological environment is gradually highlighted, and the comprehensive treatment of the abandoned mine environment is urgent.
However, in the prior art, the equipment for treating the mine solid waste is generally various in types, different in mechanism, scattered and unfit, high in production energy consumption, difficult to comprehensively utilize the mine solid waste, and seriously affects the socialization and resource utilization efficiency of the mine solid waste.
Disclosure of Invention
Aiming at the technical problems, the invention provides a solid waste reduction recovery treatment device and a solid waste reduction recovery treatment method for mine environment treatment.
The technical scheme of the invention is as follows: a solid waste reduction recovery processing device for mine environment treatment comprises a solid waste crushing assembly arranged on a bottom plate through a bracket, a metal ion exchange assembly arranged on the bottom plate and connected with the solid waste crushing assembly through a pipeline, and a curing assembly arranged on the bottom plate and connected with the metal ion exchange assembly through a guide pipe;
the waste fixing and crushing assembly comprises a main crushing member, an auxiliary crushing mesh screen, an outer shell and a crushing motor, wherein the main crushing member is rotationally clamped on the support through a rotating shaft; a plurality of crushing bulges are distributed on the inner wall of the auxiliary crushing mesh screen at equal intervals, the auxiliary crushing mesh screen is connected with the outer shell, a feeding hole is formed in one end of the auxiliary crushing mesh screen, a feeding hopper communicated with the feeding hole is arranged on the outer shell, and a water spray pipe is arranged at the top in the outer shell; the top end of the outer shell is provided with a water inlet pipe communicated with the water spray pipe;
the metal ion exchange assembly comprises an exchange box connected with the outer shell through a pipeline and a resin carrier arranged inside the exchange box; the top of the exchange box is provided with an acid injection pipe, and the lower end of the side wall of the exchange box is provided with a liquid discharge pipe; the resin carrier is provided with ion exchange resin;
the curing component comprises a curing cylinder connected with the bottom plate, a filter cylinder arranged at the upper end of the curing cylinder and connected with the lower end of the side wall of the exchange box through a guide pipe, an inner cylinder sleeved in the filter cylinder and fixedly connected with the top in the filter cylinder and the upper end surface of the curing box respectively, a pressing plate in sliding clamped connection with the inside of the filter cylinder, and a pushing motor arranged at the upper end of the curing cylinder and positioned in the inner cylinder; a sealing cover is movably hinged on the side wall of the curing cylinder; a peristaltic pump is arranged at the joint of the filter cartridge and the exchange box, a feeding pipe communicated with the inside of the inner cylinder is arranged at the top end of the filter cartridge, a blow-off pipe is arranged at the lower end of the side wall of the filter cartridge, and a water outlet groove is arranged at the upper position of the side wall of the inner cylinder; a material guide pipe penetrating through the curing cylinder is arranged on the pressing plate, and an electric control valve is arranged on the material guide pipe; the output shaft of the pushing motor is provided with a pushing lead screw which is connected with the pressing plate through threads and is connected with the filter cartridge in a rotating mode, and the pushing lead screw is sleeved with a stirring disc.
Furthermore, one end of the auxiliary crushing mesh screen is provided with a shaft sleeve which is sleeved on the rotating shaft and is rotationally clamped with the outer shell, a connecting belt wheel is arranged on the shaft sleeve, an auxiliary motor is arranged on the bottom plate, and a main belt wheel connected with the connecting belt wheel through a belt is arranged on an output shaft of the auxiliary motor;
description of the drawings: the auxiliary motor is used for driving the shaft sleeve to rotate, so that the auxiliary crushing mesh screen rotates in the outer shell, and the crushing efficiency of solid waste of the mine can be improved by using the relative motion of the auxiliary crushing mesh screen and the main crushing member.
Further, the main crushing member comprises two connecting frames which are rotationally clamped inside the auxiliary crushing mesh screen and are respectively and fixedly connected with the two rotating shafts, and a plurality of crushing rollers which are rotationally clamped between the two connecting frames through connecting shafts;
description of the drawings: when the pivot is rotatory, it is rotatory to drive two link framves to make each crushing roller rotatory at supplementary broken mesh screen, connecting axle on each crushing roller is rotatory between two link frames simultaneously, thereby realizes the rolling breakage of mine solid waste, has further improved the crushing effect of mine solid waste.
Furthermore, sliding clamping grooves are formed in the two connecting frames, sliding sleeves which are in sliding clamping connection with the sliding clamping grooves in the corresponding positions are rotatably clamped at the two ends of each connecting shaft, pushing rods which are in sliding clamping connection with the inside of the connecting frames are fixedly arranged on the sliding sleeves, and a reset spring which is abutted against the inner wall of each connecting frame is sleeved on each pushing rod; a positioning pipe is arranged between the two connecting frames, the two ends in the positioning pipe are slidably clamped with ball heads which are abutted against the push rods at the corresponding positions, an adjusting motor is arranged at the central position in the positioning pipe, and adjusting screw rods which are in threaded connection with the two ball heads are arranged on output shafts at the two ends of the adjusting motor;
description of the drawings: the rotatory in-process of link utilizes the adjusting motor to drive the adjusting screw rotatory to make two bulbs keep away from each other after sliding along the locating tube inner wall under the effect of adjusting the screw, thereby make the catch bar on each sliding sleeve remove along sliding groove under the effect of bulb, and drive connecting axle and crushing roller and remove, thereby make the interval between each crushing roller and the supplementary broken mesh screen reduce, be favorable to carrying out degree of depth crushing treatment to the mine solid useless.
Furthermore, one end of each sliding clamping groove, which is far away from the positioning pipe, is provided with a locking pin, and the sliding sleeve and the rotating shaft are provided with locking grooves which can be clamped with the locking pins;
description of the drawings: when the sliding sleeve slides to the end of the movable clamping groove, the locking pin is inserted into the locking groove in the rotating shaft, so that the crushing roller stops self-transmission when rotating along with the connecting frame, fine grinding treatment is performed on mine solid waste by utilizing the friction between the crushing roller and the auxiliary crushing mesh screen, and the mine solid waste is crushed more thoroughly.
Furthermore, a plurality of curing cavities are arranged in the curing cylinder, the positions and the number of the sealing covers correspond to the curing cavities one by one, a plurality of material guide pipes are arranged, the material guide pipes correspond to the upper positions and the lower positions of the curing cavities one by one, and a deposition groove is arranged on the pressing plate;
description of the invention: the deposition groove is arranged on the pressing plate, so that materials in the inner cylinder can enter the curing cylinder through the feeding pipe, and the materials are prevented from being accumulated in the inner cylinder and being condensed; through set up several curing chamber inside a curing section of thick bamboo, be convenient for shift and store the material after the solidification.
Furthermore, an infrared heating pipe is arranged at the top in the curing cylinder, a stripper plate is slidably clamped in each curing cavity, ejector rods are arranged on the lower bottom surface of each stripper plate, a stripper turntable fixedly connected with an output shaft of a pushing motor is rotatably clamped at the bottom in the curing cylinder, and wedge-shaped sliders which correspond to the upper positions and the lower positions of the ejector rods in a one-to-one manner are arranged on the upper end surface of the stripper turntable;
description of the invention: by arranging the infrared heating pipe, the curing period of the materials in the curing cylinder is favorably shortened, and the production efficiency is improved; through at stripper plate and drawing of patterns carousel, utilize driving motor to drive the rotation of drawing of patterns carousel to make each wedge slider upwards jack-up the stripper plate after contacting with the ejector pin, be favorable to improving the drawing of patterns effect of solidification material.
Furthermore, a plurality of stirring discs are arranged, the stirring disc positioned at the uppermost end of the pushing screw is rotationally clamped with the pushing screw, the rest stirring discs are slidably clamped with the pushing screw, and a compression spring sleeved on the pushing screw is arranged between each stirring disc;
description of the drawings: when the clamp plate when promoting lead screw rebound, each agitator disk was close to each other, and when the clamp plate was along promoting the lead screw rebound, each agitator disk kept away from each other under compression spring's effect to make the clamp plate remove the in-process, the agitator disk can stir the mixture to inside each position material of inner tube.
Furthermore, stirring blades with opposite inclination directions are arranged on two adjacent stirring disks;
description of the drawings: through set up the stirring fan blade that the direction of slope is opposite on the agitator disk, guaranteed the intensive mixing of solid useless thick liquids and portland cement to the utilization ratio of solidified material has been improved.
The invention also provides a solid waste reduction recovery treatment method for mine environment treatment, which comprises the following steps:
s1, respectively connecting a crushing motor, a pushing motor and a peristaltic pump with an external power supply;
s2, introducing mine solid waste into the interior of the shell through a feed hopper, enabling the mine solid waste to enter a space between an auxiliary crushing mesh screen and a main crushing member through a feed hole in the auxiliary crushing mesh screen, then starting a crushing motor, driving the main crushing member to rotate through a rotating shaft by using the crushing motor, crushing the mine solid waste by using the main crushing member and the auxiliary crushing mesh screen, and introducing clear water into a water spray pipe through a water inlet pipe in the crushing process to mix mine solid waste powder and the clear water according to a mass ratio of 1 to 4 to 6 to form solid waste slurry;
s3, introducing the solid waste slurry obtained in the step S2 into an exchange box through a guide pipe, and carrying out adsorption treatment on heavy metal ions in the solid waste slurry for 30-45min by using ion exchange resin; then starting a peristaltic pump, introducing the solid waste slurry into the inner cylinder, finally injecting a hydrochloric acid solution into the exchange box through an acid injection pipe on the exchange box to elute the ion exchange resin, discharging the eluate out of the exchange box through a liquid discharge pipe, and extracting heavy metal ions in the eluate; wherein the volume ratio of the hydrochloric acid solution to the ion exchange resin is 3 to 5, and the volume concentration of the hydrochloric acid solution is 15 to 25 percent;
s4, starting a pushing motor, driving a pushing screw rod to rotate by utilizing the pushing motor, enabling a pressing plate to move upwards along the inner wall of the inner cylinder under the action of pushing the screw rod, enabling solid waste slurry to move upwards along the inner cylinder under the action of the pressing plate, enabling water in the solid waste slurry to enter a region between the filter cartridge and the inner cylinder through a water outlet groove in the inner cylinder, and finally discharging the water out of the filter cartridge through a drain pipe; finally, adding portland cement into the inner cylinder through a feeding pipe, and fully mixing the portland cement with the dehydrated solid waste slurry by using a stirring disc to obtain a mixture of the solid waste slurry and the portland cement; wherein the mass ratio of the portland cement to the dehydrated solid waste slurry is 1 to 5-7;
s5, opening an electric control valve on the material guide pipe to enable the mixture of the solid waste slurry and the portland cement in the inner cylinder to enter the curing cylinder; and (3) contacting the silicate cement with the water in the solid waste slurry to generate hydration reaction so as to solidify the mixture of the solid waste slurry and the silicate cement, controlling the solidification time to be 12-15h, and finally transferring the solidified solid waste slurry through a sealing cover.
Compared with the prior art, the beneficial effects of the invention are embodied in the following points:
firstly, the mine solid waste is crushed, extracted and solidified, so that the reduction treatment of the mine solid waste is realized, the extracted heavy metal ions can be reused, the social and economic benefits are improved, and the pollution of the migration of the heavy metal ions to soil and underground water in the accumulation process of the mine solid waste is avoided; by mixing and curing the crushed mine solid waste and the portland cement, the resource utilization of the mine solid waste is realized, and the construction cost of the building is reduced;
secondly, the crushing roller capable of moving and locking on the connecting frame is arranged, so that not only can the mine solid waste be subjected to graded crushing treatment, but also the crushed mine solid waste can be subjected to fine grinding treatment, the crushing efficiency of the mine solid waste is improved, and the extraction efficiency of heavy metal ions in the mine solid waste is also improved;
thirdly, the main crushing component and the auxiliary crushing mesh screen which move relatively on the outer shell continuously extrude and crush the mine solid waste, so that not only is the crushing efficiency of the mine solid waste improved, but also the energy consumption of equipment is reduced, the cost input of mine solid waste treatment is reduced, and the mine solid waste treatment device has a promoting effect on mine environment treatment.
Drawings
FIG. 1 is a longitudinal section of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of the solid waste reduction assembly of the present invention;
FIG. 4 is a schematic view of the connection of the main crushing member of the present invention to the subsidiary crushing screen;
FIG. 5 is a schematic view of the connection of the pulverizing roller and the connecting frame of the present invention;
FIG. 6 is a schematic view of the connection of the sliding sleeve and the sliding slot of the present invention;
FIG. 7 is a schematic structural view of a curing assembly of the present invention;
FIG. 8 is a schematic view of the internal structure of the curing drum of the present invention;
FIG. 9 is a schematic illustration of the construction of the stripper plate of the present invention;
wherein the content of the first and second substances, 1-bottom plate, 2-solid waste crushing assembly, 20-bracket, 21-main crushing member, 210-rotating shaft, 211-connecting frame, 2110-sliding clamping groove, 212-connecting shaft, 2120-sliding sleeve, 2121-push rod, 2122-reset spring, 213-crushing roller, 214-positioning tube, 2140-ball head, 215-adjusting motor, 2150-adjusting screw rod, 216-locking pin, 217-locking groove, 22-auxiliary crushing mesh screen, 220-crushing bulge, 221-feeding hole, 222-shaft sleeve, 2220-connecting belt wheel, 23-outer shell, 230-cushion block, 231-feeding hopper, 232-water spray pipe, 24-crushing motor, 25-auxiliary motor 250-main belt wheel, 3-metal ion exchange component, 30-exchange box, 300-acid injection pipe, 301-liquid discharge pipe, 31-resin carrier, 4-curing component, 40-curing cylinder, 400-sealing cover, 401-curing cavity, 402-infrared heating pipe, 41-filter cylinder, 410-feeding pipe, 411-sewage discharge pipe, 42-inner cylinder, 420-water outlet tank, 43-pressing plate, 430-guide pipe, 431-deposition tank, 44-pushing motor, 440-pushing screw rod, 45-peristaltic pump, 46-stirring disc, 460-compression spring, 461-stirring fan blade, 47-demoulding plate, 470-ejector rod, 471-demoulding rotary disc and 472-wedge-shaped sliding block.
Detailed Description
Example 1: as shown in fig. 1 and 2, the solid waste reduction recovery processing device for mine environment treatment comprises a solid waste crushing component 2 arranged on a bottom plate 1 through a bracket 20, a metal ion exchange component 3 arranged on the bottom plate 1 and connected with the solid waste crushing component 2 through a pipeline, and a solidifying component 4 arranged on the bottom plate 1 and connected with the metal ion exchange component 3 through a conduit;
as shown in fig. 1 and 3, the solid waste crushing assembly 2 includes a main crushing member 21 rotatably clamped on the bracket 20 through a rotating shaft 210, an auxiliary crushing mesh 22 sleeved outside the main crushing member 21 and having both ends rotatably clamped on the rotating shaft 210, an outer housing 23 sleeved outside the auxiliary crushing mesh 22 and fixedly connected with the bottom plate 1 through a cushion block 230, and a crushing motor 24 arranged on the bracket 20 and having an output end fixedly connected with the rotating shaft 210; the main crushing member 21 is an existing ore crushing roller; a plurality of crushing bulges 220 are equidistantly distributed on the inner wall of the auxiliary crushing mesh screen 22, the auxiliary crushing mesh screen 22 is connected with the outer shell 23, one end of the auxiliary crushing mesh screen 22 is provided with a feeding hole 221, the outer shell 23 is provided with a feeding hopper 231 communicated with the feeding hole 221, and the top in the outer shell 23 is provided with a water spraying pipe 232; the top end of the outer shell 23 is provided with a water inlet pipe communicated with the water spray pipe 232;
as shown in fig. 1, 2, the metal ion exchange assembly 3 includes an exchange box 30 connected with the outer housing 23 by a duct and a resin carrier 31 disposed inside the exchange box 30; an acid injection pipe 300 is arranged at the top of the exchange box 30, and a liquid discharge pipe 301 is arranged at the lower end of the side wall of the exchange box 30; the resin carrier 31 is provided with ion exchange resin, and the ion exchange resin is gel type acrylic resin;
as shown in fig. 1, 2 and 7, the curing assembly 4 includes a curing cylinder 40 connected to the bottom plate 1, a filter cylinder 41 disposed at the upper end of the curing cylinder 40 and connected to the lower end of the sidewall of the exchange box 30 through a conduit, an inner cylinder 42 sleeved inside the filter cylinder 41 and fixedly connected to the top of the filter cylinder 41 and the upper end surface of the curing cylinder 40, a pressing plate 43 slidably engaged inside the filter cylinder 41, and a pushing motor 44 disposed at the upper end of the curing cylinder 40 and located inside the inner cylinder 42; the curing cylinder 40 is hollow, and the side wall of the curing cylinder 40 is movably hinged with a sealing cover 400; a peristaltic pump 45 is arranged at the joint of the filter cartridge 41 and the exchange box 30, a feeding pipe 410 communicated with the inside of the inner cylinder 42 is arranged at the top end of the filter cartridge 41, a sewage discharge pipe 411 is arranged at the lower end of the side wall of the filter cartridge 41, and a water outlet groove 420 is arranged at the upper position of the side wall of the inner cylinder 42; a material guide pipe 430 penetrating through the curing cylinder 40 is arranged on the pressure plate 43, and an electric control valve is arranged on the material guide pipe 430; the output shaft of the pushing motor 44 is provided with a pushing screw 440 which is connected with the pressing plate 43 in a threaded manner and is rotationally clamped with the filter cylinder 41, and the pushing screw 440 is sleeved with a stirring disc 46.
Example 2: the embodiment describes a method for carrying out solid waste reduction and recovery treatment by applying the device of the embodiment 1, which comprises the following steps:
s1, respectively connecting a crushing motor 24, a pushing motor 44 and a peristaltic pump 45 with an external power supply;
s2, introducing mine solid waste into the interior of the outer shell 23 through a feed hopper 231, enabling the mine solid waste to enter a space between the auxiliary crushing mesh 22 and the main crushing member 21 through a feed hole 221 in the auxiliary crushing mesh 22, then starting the crushing motor 24, driving the main crushing member 21 to rotate through a rotating shaft 210 by using the crushing motor 24, crushing the mine solid waste by using the main crushing member 21 and the auxiliary crushing mesh 22, and introducing clear water into a water spray pipe 232 through a water inlet pipe in the crushing process to mix mine solid waste powder with the clear water according to a mass ratio of 1;
s3, introducing the solid waste slurry obtained in the step S2 into an exchange box 30 through a guide pipe, and adsorbing heavy metal ions in the solid waste slurry for 30min by using ion exchange resin; then starting a peristaltic pump 45, introducing the solid waste slurry into the inner cylinder 42, finally injecting a hydrochloric acid solution into the exchange box 30 through an acid injection pipe 300 on the exchange box 30 to elute the ion exchange resin, discharging the eluate out of the exchange box 30 through a liquid discharge pipe 301, and extracting heavy metal ions in the eluate; wherein, the volume ratio of the hydrochloric acid solution to the ion exchange resin is 3;
s4, starting the pushing motor 44, driving the pushing screw rod 440 to rotate by using the pushing motor 44, enabling the pressing plate 43 to move upwards along the inner wall of the inner cylinder 42 under the action of the pushing screw rod 440, enabling the solid waste slurry to move upwards along the inner cylinder 42 under the action of the pressing plate 43, enabling the moisture in the solid waste slurry to enter a region between the filter cartridge 41 and the inner cylinder 42 through the water outlet groove 420 on the inner cylinder 42, and finally discharging the water out of the filter cartridge 41 through the sewage discharge pipe 411; finally, adding the portland cement into the inner cylinder 42 through the feeding pipe 410, and fully mixing the portland cement with the dehydrated solid waste slurry by using the stirring disc 46 to obtain a mixture of the solid waste slurry and the portland cement; wherein the mass ratio of the portland cement to the dehydrated solid waste slurry is 1;
s5, opening an electric control valve on the material guide pipe 430 to enable the mixture of the solid waste slurry and the portland cement in the inner cylinder 42 to enter the curing cylinder 40, enabling the portland cement to be in contact with water in the solid waste slurry, so that hydration reaction is carried out to enable the mixture of the solid waste slurry and the portland cement to be cured, controlling the curing time to be 12h, and finally transferring the cured solid waste slurry through the sealing cover 400.
Example 3: the present embodiment is different from embodiment 2 in that:
in the step S2, mixing the mine solid waste powder with clear water according to a mass ratio of 1;
in the step S3, carrying out adsorption treatment on heavy metal ions in the solid waste slurry for 45min by using ion exchange resin; the volume ratio of the hydrochloric acid solution to the ion exchange resin is 5;
in the step S4, the mass ratio of the Portland cement to the dehydrated solid waste slurry is 1;
in step S5, the curing time is controlled to be 15h.
Example 4: the present embodiment is different from embodiment 1 in that:
as shown in fig. 3, one end of the auxiliary crushing mesh screen 22 is provided with a shaft sleeve 222 which is sleeved on the rotating shaft 210 and rotationally clamped with the outer shell 23, the shaft sleeve 222 is provided with a connecting belt wheel 2220, the bottom plate 1 is provided with an auxiliary motor 25, and an output shaft of the auxiliary motor 25 is provided with a main belt wheel 250 which is connected with the connecting belt wheel 2220 through a belt.
Example 5: the present example describes a method for performing a solid waste reduction recovery treatment by using the apparatus of example 4, and is different from example 2 in that:
in step S2, the auxiliary motor 25 is connected to an external power source and turned on, and the shaft sleeve 222 is rotated by the auxiliary motor 25, so that the auxiliary crushing mesh 22 and the main crushing member 21 are relatively rotated in the outer case 23.
Example 6: the present embodiment is different from embodiment 1 in that:
as shown in fig. 3, 4, 5, and 6, the main crushing member 21 includes two connecting frames 211 rotatably engaged with the inside of the auxiliary crushing screen 22 and fixedly connected to the two rotating shafts 210, respectively, and 4 crushing rollers 213 rotatably engaged between the two connecting frames 211 through connecting shafts 212; the two connecting frames 211 are respectively provided with 4 sliding clamping grooves 2110, two ends of each connecting shaft 212 are rotatably clamped with sliding sleeves 2120 which are in sliding clamping connection with the sliding clamping grooves 2110 at corresponding positions, each sliding sleeve 2120 is fixedly provided with a push rod 2121 which is in sliding clamping connection with the inside of the connecting frame 211, and each push rod 2121 is sleeved with a reset spring 2122 which is abutted against the inner wall of the connecting frame 211; a positioning tube 214 is arranged between the two connecting frames 211, two ends inside the positioning tube 214 are slidably clamped with ball heads 2140 abutted to the push rods 2121 at corresponding positions, an adjusting motor 215 is arranged at the central position inside the positioning tube 214, and output shafts at two ends of the adjusting motor 215 are provided with adjusting screw rods 2150 in threaded connection with the two ball heads 2140; the end of each sliding clamping groove 2110 far away from the positioning tube 214 is provided with a locking pin 216, and the sliding sleeve 2120 and the rotating shaft 210 are provided with locking grooves 217 capable of being clamped with the locking pins 216.
Example 7: the present example describes a method for performing a solid waste reduction recovery process using the apparatus of example 6, and is different from example 2 in that:
in step S2, when the rotating shaft 210 rotates, the two connecting frames 211 are driven to rotate, so that each crushing roller 213 rotates in the auxiliary crushing mesh 22, and the connecting shaft 212 on each crushing roller 213 rotates between the two connecting frames 211; the adjusting motor 215 is connected and started with an external power supply, in the rotating process of the connecting frame 211, the adjusting motor 215 is used for driving the adjusting screw 2150 to rotate, so that the two ball heads 2140 are separated from each other after sliding along the inner wall of the positioning tube 214 under the action of the adjusting screw 2150, the push rods 2121 on the sliding sleeves 2120 move along the sliding clamping grooves 2110 under the action of the ball heads 2140 and drive the connecting shaft 212 and the crushing rollers 213 to move, the distance between each crushing roller 213 and the auxiliary crushing mesh screen 22 is reduced, mine solid waste is subjected to deep crushing treatment, when the sliding sleeves 2120 slide to the end portions of the sliding clamping grooves 2110, the locking pins 216 are inserted into the locking grooves 217 on the rotating shaft 210, so that the crushing rollers 213 stop self-transmission when rotating along with the connecting frame 211, and fine grinding treatment is performed on the solid waste by the friction action between the crushing rollers 213 and the auxiliary crushing mesh screen 22.
Example 8: the present embodiment is different from embodiment 1 in that:
as shown in fig. 7, 8 and 9, 4 curing chambers 401 are arranged inside the curing cylinder 40, the positions and the number of the sealing covers 400 correspond to the curing chambers 401 one by one, 4 material guiding pipes 430 are arranged, the material guiding pipes 430 correspond to the upper and lower positions of the curing chambers 401 one by one, and a deposition groove 431 is arranged on the pressing plate 43; the top is provided with infrared heating pipe 402 in the solidification section of thick bamboo 40, and the inside equal slip joint in each solidification chamber 401 has stripper plate 47, and the bottom surface all is provided with ejector pin 470 under each stripper plate 47, and the bottom rotates in the solidification section of thick bamboo 40 and the joint has the drawing of patterns carousel 471 with the output shaft fixed connection of pushing motor 44, and drawing of patterns carousel 471 up end is provided with the wedge slider 472 with each ejector pin 470 upper and lower position one-to-one.
Example 9: the present example describes a method for performing a solid waste reduction recovery treatment by using the apparatus of example 8, and is different from example 2 in that:
in the step S5, the mixture of the solid waste slurry inside the inner cylinder 42 and the portland cement enters the corresponding curing cavity 401 through each material guiding pipe 430, and the material is heated by the infrared heating pipe 402; the pushing motor 44 is used to drive the demolding turntable 471 to rotate, so that the demolding plate 47 is jacked upwards after each wedge-shaped sliding block 472 contacts with the ejector rod 470, and rapid demolding of the cured material is realized.
Example 10: the present embodiment is different from embodiment 1 in that:
as shown in fig. 7, there are 3 stirring discs 46, the stirring disc 46 located at the uppermost end of the pushing screw 440 is rotationally clamped with the pushing screw 440, the remaining stirring discs 46 are slidably clamped with the pushing screw 440, and a compression spring 460 sleeved on the pushing screw 440 is arranged between each stirring disc 46; the two adjacent stirring disks 46 are provided with stirring blades 461 with opposite inclination directions;
example 11: the present example describes a method for performing a solid waste reduction recovery process using the apparatus of example 10, and is different from example 2 in that:
in step S4, when the pressing plate 43 moves upward along the pushing screw 440, the stirring discs 46 approach each other, and when the pressing plate 43 moves downward along the pushing screw 440, the stirring discs 46 move away from each other under the action of the compression spring 460, so that the materials at various positions inside the inner cylinder 42 are stirred and mixed.
It should be noted that the adjusting motor 215, the crushing motor 24, the auxiliary motor 25, the infrared heating pipe 402, the pushing motor 44, the peristaltic pump 45 and the electric control valve used in the present invention all adopt the prior art, and are not limited herein, and the corresponding product can be selected according to the actual requirement.
Claims (9)
1. The solid waste reduction and recovery treatment device for mine environment treatment is characterized by comprising a solid waste crushing assembly (2) arranged on a bottom plate (1) through a support (20), a metal ion exchange assembly (3) arranged on the bottom plate (1) and connected with the solid waste crushing assembly (2) through a pipeline, and a solidification assembly (4) arranged on the bottom plate (1) and connected with the metal ion exchange assembly (3) through a guide pipe;
the solid waste crushing assembly (2) comprises a main crushing member (21) rotationally clamped on a support (20) through a rotating shaft (210), an auxiliary crushing mesh screen (22) sleeved outside the main crushing member (21) and with two ends rotationally clamped on the rotating shaft (210), an outer shell (23) sleeved outside the auxiliary crushing mesh screen (22) and fixedly connected with a bottom plate (1) through a cushion block (230), and a crushing motor (24) arranged on the support (20) and with an output end fixedly connected with the rotating shaft (210); a plurality of crushing bulges (220) are equidistantly distributed on the inner wall of the auxiliary crushing mesh screen (22), the auxiliary crushing mesh screen (22) is connected with an outer shell (23), a feeding hole (221) is formed in one end of the auxiliary crushing mesh screen (22), a feeding hopper (231) communicated with the feeding hole (221) is arranged on the outer shell (23), a water spray pipe (232) is arranged at the inner top of the outer shell (23), and a water inlet pipe communicated with the water spray pipe (232) is arranged at the top end of the outer shell (23);
the metal ion exchange assembly (3) comprises an exchange box (30) connected with an outer shell (23) through a pipeline and a resin carrier (31) arranged inside the exchange box (30); an acid injection pipe (300) is arranged at the top of the exchange box (30), and a liquid discharge pipe (301) is arranged at the lower end of the side wall of the exchange box (30); the resin carrier (31) is provided with ion exchange resin;
the curing assembly (4) comprises a curing cylinder (40) connected with the bottom plate (1), a filter cylinder (41) arranged at the upper end of the curing cylinder (40) and connected with the lower end of the side wall of the exchange box (30) through a guide pipe, an inner cylinder (42) sleeved in the filter cylinder (41) and fixedly connected with the inner top of the filter cylinder (41) and the upper end surface of the curing box (40) respectively, a pressure plate (43) in the filter cylinder (41) in a sliding clamping manner, and a pushing motor (44) arranged at the upper end of the curing cylinder (40) and positioned in the inner cylinder (42); a sealing cover (400) is movably hinged on the side wall of the curing cylinder (40); a peristaltic pump (45) is arranged at the joint of the filter cartridge (41) and the exchange box (30), a feeding pipe (410) communicated with the inside of the inner cylinder (42) is arranged at the top end of the filter cartridge (41), and a sewage discharge pipe (411) is arranged at the lower end of the side wall of the filter cartridge (41); a water outlet groove (420) is arranged at the upper position of the side wall of the inner cylinder (42); a material guide pipe (430) penetrating through the curing cylinder (40) is arranged on the pressing plate (43), and an electric control valve is arranged on the material guide pipe (430); be provided with on the output shaft of pushing motor (44) with clamp plate (43) threaded connection and with cartridge filter (41) rotation joint promote lead screw (440), it is equipped with agitator disk (46) to promote on lead screw (440).
2. The solid waste reduction and recovery processing device for mine environment improvement according to claim 1, wherein one end of the auxiliary crushing mesh screen (22) is provided with a shaft sleeve (222) which is sleeved on the rotating shaft (210) and rotationally clamped with the outer shell (23), the shaft sleeve (222) is provided with a connecting belt wheel (2220), the bottom plate (1) is provided with an auxiliary motor (25), and an output shaft of the auxiliary motor (25) is provided with a main belt wheel (250) which is connected with the connecting belt wheel (2220) through a belt.
3. The mining environment treatment solid waste reduction and recovery processing device as claimed in claim 1, wherein the main crushing member (21) comprises two connecting frames (211) rotatably clamped inside the auxiliary crushing mesh screen (22) and fixedly connected with the two rotating shafts (210) respectively, and a plurality of crushing rollers (213) rotatably clamped between the two connecting frames (211) through connecting shafts (212).
4. The device for reducing, recovering and treating solid wastes for treating the mine environment according to claim 3, wherein two connecting frames (211) are respectively provided with a sliding clamping groove (2110), two ends of each connecting shaft (212) are rotatably clamped with a sliding sleeve (2120) which is slidably clamped with the sliding clamping groove (2110) at the corresponding position, each sliding sleeve (2120) is fixedly provided with a push rod (2121) which is slidably clamped in the connecting frame (211), and each push rod (2121) is sleeved with a return spring (2122) which is abutted against the inner wall of the connecting frame (211); be provided with between two link (211) positioning tube (214), positioning tube (214) inside both ends all slide clamping connect with bulb (2140) that each catch bar (2121) butt of corresponding position department, positioning tube (214) inside central point puts and is provided with adjusting motor (215), all be provided with on the both ends output shaft of adjusting motor (215) with two bulb (2140) threaded connection's regulation lead screw (2150).
5. The solid waste reduction and recovery processing device for mine environment improvement according to claim 4, wherein a locking pin (216) is arranged at one end of each sliding clamping groove (2110) far away from the positioning pipe (214), and locking grooves (217) capable of being clamped with the locking pin (216) are arranged on the sliding sleeve (2120) and the rotating shaft (210).
6. The solid waste reduction and recovery treatment device for mine environment improvement according to claim 1, wherein a plurality of curing cavities (401) are arranged inside the curing cylinder (40), the positions and the number of the sealing covers (400) correspond to the curing cavities (401) one by one, a plurality of material guide pipes (430) are arranged, and the material guide pipes (430) correspond to the upper positions and the lower positions of the curing cavities (401) one by one; the pressure plate (43) is provided with a deposition groove (431).
7. The device for reducing and recycling the solid wastes for the treatment of the mine environment according to claim 6, wherein an infrared heating pipe (402) is arranged at the top in the curing cylinder (40), a stripping plate (47) is slidably clamped in each curing cavity (401), a top rod (470) is arranged on the lower bottom surface of each stripping plate (47), a stripping turntable (471) fixedly connected with an output shaft of a pushing motor (44) is rotatably clamped at the bottom in the curing cylinder (40), and wedge-shaped sliding blocks (472) which correspond to the top and bottom positions of each top rod (470) in a one-to-one manner are arranged on the upper end surface of the stripping turntable (471).
8. The mining environment improvement solid waste reduction and recovery treatment device according to claim 1, characterized in that a plurality of stirring discs (46) are provided, the stirring disc (46) positioned at the uppermost end of the push screw (440) is rotatably clamped with the push screw (440), the rest stirring discs (46) are slidably clamped with the push screw (440), and compression springs (460) sleeved on the push screw (440) are arranged among the stirring discs (46).
9. The method for carrying out the solid waste reduction and recovery treatment by using the device of any one of claims 1 to 8 is characterized by comprising the following steps:
s1, respectively connecting a crushing motor (24), a pushing motor (44) and a peristaltic pump (45) with an external power supply;
s2, mine solid waste is led into the interior of an outer shell (23) through a feed hopper (231), the mine solid waste enters between an auxiliary crushing mesh screen (22) and a main crushing member (21) through a feed hole (221) in the auxiliary crushing mesh screen (22), then a crushing motor (24) is started, the main crushing member (21) is driven to rotate through a rotating shaft (210) by the crushing motor (24), the mine solid waste is crushed by the main crushing member (21) and the auxiliary crushing mesh screen (22), and clear water is introduced into a water spraying pipe (232) through a water inlet pipe in the crushing process, so that mine solid waste powder and the clear water are mixed according to the mass ratio of 1 to 4 to 6, and solid waste slurry is formed;
s3, introducing the solid waste slurry obtained in the step S2 into an exchange box (30) through a conduit, and carrying out adsorption treatment on heavy metal ions in the solid waste slurry for 30-45min by using ion exchange resin; then starting a peristaltic pump (45), introducing the solid waste slurry into the inner cylinder (42), finally injecting a hydrochloric acid solution into the exchange box (30) through an acid injection pipe (300) on the exchange box (30) to elute the ion exchange resin, discharging the eluate out of the exchange box (30) through a liquid discharge pipe (301), and extracting heavy metal ions in the eluate; wherein the volume ratio of the hydrochloric acid solution to the ion exchange resin is 3 to 5, and the volume concentration of the hydrochloric acid solution is 15 to 25 percent;
s4, starting a pushing motor (44), driving a pushing screw rod (440) to rotate by using the pushing motor (44), enabling a pressing plate (43) to move upwards along the inner wall of an inner cylinder (42) under the action of pushing the screw rod (440), enabling solid waste slurry to move upwards along the inner cylinder (42) under the action of the pressing plate (43), enabling water in the solid waste slurry to enter a region between a filter cylinder (41) and the inner cylinder (42) through a water outlet groove (420) in the inner cylinder (42), and finally discharging the water out of the filter cylinder (41) through a drainage pipe (411); finally, adding portland cement into the inner cylinder (42) through a feeding pipe (410), and fully mixing the portland cement with the dehydrated solid waste slurry by using a stirring disc (46) to obtain a mixture of the solid waste slurry and the portland cement; wherein the mass ratio of the portland cement to the dehydrated solid waste slurry is 1 to 5-7;
s5, opening an electric control valve on the material guide pipe (430), enabling a mixture of the solid waste slurry in the inner cylinder (42) and the portland cement to enter the curing cylinder (40) for curing for 12 to 15h, and finally transferring the cured solid waste slurry through a sealing cover (400).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116803959A (en) * | 2022-09-07 | 2023-09-26 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Recycling recovery processing device for plateau livestock manure |
| CN116803959B (en) * | 2022-09-07 | 2024-05-14 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Recycling recovery processing device for plateau livestock manure |
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