CN112301216A - Deep processing and recycling process for hazardous waste tar and dust removal powder - Google Patents
Deep processing and recycling process for hazardous waste tar and dust removal powder Download PDFInfo
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- CN112301216A CN112301216A CN202011203662.0A CN202011203662A CN112301216A CN 112301216 A CN112301216 A CN 112301216A CN 202011203662 A CN202011203662 A CN 202011203662A CN 112301216 A CN112301216 A CN 112301216A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
- C22B1/22—Sintering; Agglomerating in other sintering apparatus
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B19/00—Obtaining zinc or zinc oxide
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
Abstract
The invention discloses a deep processing and recycling process of hazardous waste tar and dust removal powder, which comprises the following steps: extracting tar slag from dangerous waste tar and preparing coke powder, adding fly ash, water and calcium oxide into a stirring tank, uniformly stirring, adding into a solid-liquid separator for solid-liquid separation to obtain solid materials, adding the solid materials and the coke powder into a crushing barrel, pelletizing through a pelletizing device, recovering crushed materials for reuse, sending the pellets into a rotary hearth furnace for continuous high-temperature sintering, conveying the sintered pellets to a melting furnace for smelting pig iron, and cooling and collecting dust in furnace gas to obtain lead zinc powder; the invention scrapes the mixed material evenly by the scraper before pelletizing, so that the prepared pellets have consistent weight, and the sintering time of the subsequent pellets is ensured to be consistent, thereby ensuring the pellets to be fully smelted.
Description
Technical Field
The invention relates to the technical field of smelting, in particular to a deep processing and recycling process for hazardous waste tar and dust removal powder.
Background
The hazardous waste tar contains tar residues which are byproducts of coal gas cooled and removed by a vertical pipe, a washing tower and the like, the tar residues contain coal powder, coal tar, water and the like, the fixed carbon content of the tar residues is about 60%, the volatile component content is about 33%, the ash content is about 4%, and the sulfur content is about 1.6%; dedusting powder, i.e., dedusting ash, can be roughly divided into two categories according to the requirements and properties of the dedusting arrangement: flue gas dust and environmental dust. The flue gas dust removal is necessary in the production process, such as the dust removal of high-temperature flue gas of a sintering machine head and a blast furnace and converter gas system, and the dust removal ash is flue gas dust removal ash; the fly ash of blast furnaces, electric furnaces and converters contains elements harmful to human bodies, such as lead, chlorine and the like, and the properties of the fly ash belong to hazardous wastes, comprehensive recycling of the fly ash becomes a necessary choice for enterprises, and in the 70 s of the 20 th century, related researches on recycling of Zn, Pb and Fe in the fly ash begin at home and abroad;
dangerous waste tar can not be reused in the traditional dangerous waste tar and dust removal powder deep processing cyclic utilization process, the feeding is uneven during pelletizing, the component difference of each pellet is large, the sintering time of subsequent pellets can not be guaranteed to be consistent, the pellets can not be guaranteed to be fully smelted, the crushed aggregates generated in the pelletizing process can not be recycled, and the material waste is easily caused.
Disclosure of Invention
The invention aims to provide a deep processing and recycling process for hazardous waste tar and dust removal powder, which solves the technical problems that the hazardous waste tar cannot be reused, the feeding is not uniform during pelletizing, the component difference of each pellet is large, the sintering time of the subsequent pellets cannot be ensured to be consistent, the pellets cannot be fully smelted, crushed materials generated in the pelletizing process cannot be recycled, and the material waste is easily caused in the traditional deep processing and recycling process for hazardous waste tar and dust removal powder.
The purpose of the invention can be realized by the following technical scheme:
a deep processing and recycling process for hazardous waste tar and dust removal powder specifically comprises the following steps:
step one, adding the hazardous waste tar into a tar ammonia water separator for separation to obtain tar residue, performing centrifugal separation on the tar residue to obtain filter residue, adding the filter residue into a carbonization furnace, heating to 390 plus 510 ℃, further removing water and tar in the filter residue, continuously heating to 590 plus 910 ℃, carbonizing the filter residue into coke, adding the coke into a grinder for grinding to obtain coke powder; adding the dedusting ash, water and calcium oxide into a stirring tank, uniformly stirring, and then adding into a solid-liquid separator for solid-liquid separation to obtain a solid material;
secondly, solid materials and coke powder are added into a crushing barrel of a ball pressing device through a feed inlet, a crushing motor is started, the crushing motor drives a crushing rod to rotate and drives crushing blades to crush and mix the solid materials and the coke powder to obtain mixed materials, a rotating motor is started, the rotating motor drives a feeding pipe to rotate through two meshed gears and drives one end of the feeding pipe to move to the upper part of a lower pressing plate, a valve on the feeding pipe is opened, the mixed materials slide onto the lower pressing plate through the feeding pipe, a lifting cylinder I is started, the lifting cylinder I drives a scraping plate to descend, a moving motor is started, the moving motor drives a moving arm to move through a belt pulley and a belt and drives the scraping plate to move, the scraping plate scrapes the mixed materials to be evenly distributed on the lower pressing plate, the moving motor drives the moving arm to move to the edge of one side of an installation cross beam, a supporting cylinder is started, the supporting cylinder, the upper surface of a supporting plate is tightly attached to the bottom surface of a lower pressing plate, a second lifting cylinder is started, the second lifting cylinder drives the upper pressing plate to descend, the upper pressing plate and the lower pressing plate extrude and pelletize the mixed materials to obtain pellets, the supporting cylinder drives the supporting plate to descend, a turning motor is started, the turning motor drives the lower pressing plate to turn over, a vibrating motor is started at the same time, the pellets are rolled down along the lower pressing plate onto a belt conveyor and are conveyed to the outside of a shell through the belt conveyor to be collected, the crushed materials pass through a conveying belt of the belt conveyor and fall into a hopper bin and fall into a conveying channel, a material collecting motor is started, the material collecting motor drives a rotating shaft to rotate, the rotating shaft drives a material conveying rotating rod to rotate through a lifting chain, the material conveying rotating rod drives a helical blade to rotate, the helical blade pushes the crushed materials in the conveying channel into a material collecting bin, the lifting chain drives each material collecting bin to rotate, the material collecting, throwing the crushed materials into a discharge pipe opening, and recycling the crushed materials in a crushing cylinder;
and step three, conveying the pellets into a rotary hearth furnace for continuous high-temperature sintering, conveying the sintered pellets into a melting furnace for smelting pig iron, and cooling furnace gas for dust collection to obtain the lead-zinc powder.
Further, the ball pressing device comprises a shell, an opening is formed in the upper wall of the shell, a lower pressing plate is rotatably mounted in the opening, a turnover motor is fixedly mounted on the shell, the end portion of an output shaft of the turnover motor is fixedly connected with the lower pressing plate, a belt conveyor is transversely arranged on the shell, two ends of the belt conveyor respectively penetrate through the side walls of two sides of the shell and extend to the outside of the shell, a mounting cross beam is fixedly mounted on the upper surface of the shell, a moving arm is movably mounted on one side of the mounting cross beam along the horizontal direction, a first lifting cylinder is fixedly mounted on the moving arm, a scraper is arranged below the moving arm, the bottom end of an output rod of the first lifting cylinder is fixedly connected with the scraper, connecting arms are fixedly mounted at two ends of the mounting cross beam and are respectively fixedly connected with two ends of the material limiting frame, the material limiting frame is positioned right above the lower pressing plate, a fixing arm is fixedly installed in the middle of the upper surface of the installation cross beam, a second lifting cylinder is vertically fixed on the fixing arm, an upper pressing plate is horizontally arranged below the fixing arm, the bottom end of an output rod of the second lifting cylinder is fixedly connected with the upper pressing plate, a plurality of hemispherical grooves are formed in the bottom surface of the upper pressing plate and the upper surface of the lower pressing plate, two supporting cylinders are fixedly installed on the inner walls of two sides of the shell, and supporting plates are fixedly installed at the top ends of the output rods of the two supporting cylinders;
the inner side of the shell is provided with a funnel bin, the funnel bin is positioned under a belt conveyor, the bottom of the funnel bin is fixedly communicated with a material conveying channel, a material conveying rotating rod is rotatably installed in the material conveying channel, a spiral blade is fixedly installed on the material conveying rotating rod, a material receiving bin is fixedly installed on one side of the shell, one end of the material conveying rotating rod penetrates through the material receiving bin, one end of the material conveying rotating rod is rotatably connected with one side wall of the material receiving bin through a bearing, a rotating shaft is rotatably installed above the inner side of the material receiving bin, gear I is fixedly installed on each of the rotating shaft and the material conveying rotating rod positioned in the material receiving bin, two gear I are connected through a lifting chain, a plurality of material receiving bins are fixedly installed on the lifting chain, one end of the rotating shaft penetrates through the material receiving bin and extends to the outer side of the material receiving bin, a material receiving motor is fixedly installed on the material, the output shaft end of the material receiving motor and one end of the rotating shaft, which is positioned outside the material receiving bin, are both fixedly provided with a second gear, and the two second gears are in transmission connection through a chain;
the top fixedly connected with ejection of compact mouth of pipe of receipts feed bin, ejection of compact mouth of pipe and crushing barrel fixed connection, receive the feed bin and pass through ejection of compact mouth of pipe and crushing barrel intercommunication, the bottom of crushing barrel is rotated and is installed the material loading pipe, and the lower part of material loading pipe is the slope setting, install the valve on the material loading pipe, the bottom fixed mounting of crushing barrel has the rotating electrical machines, the rotating electrical machines is connected with the material loading pipe transmission through two engaged with gears.
Furthermore, a plurality of hemisphere grooves of top board bottom surface and a plurality of hemisphere groove one-to-one of holding down plate upper surface, a plurality of hemisphere groove is evenly distributed.
Furthermore, a plurality of the material receiving hoppers are uniformly distributed on the lifting chain.
Furthermore, a plurality of through holes are formed in the conveying belt of the belt conveyor and are evenly distributed.
Further, one side of installation crossbeam is rotated and is installed two belt pulleys, connects through belt transmission between two belt pulleys, the opposite side fixed mounting of installation crossbeam has the movable motor, the output shaft end and one of them belt pulley fixed connection of movable motor, one end of removal arm and one side fixed connection of belt, the one end fixed mounting of removal arm has two sliders, one side fixed mounting of installation crossbeam has two slide rails, the removal arm passes through slider, slide rail and installation crossbeam sliding connection.
Furthermore, a vibration motor is fixedly installed on the bottom surface of the lower pressing plate.
Further, the top fixed mounting of crushing barrel has crushing motor, and the output shaft tip of crushing motor extends to in the crushing barrel and fixedly connected with crushing pole, fixed mounting has crushing blade on the crushing pole, the top of crushing barrel is provided with the feed inlet.
Further, the working method of the ball pressing device specifically comprises the following steps:
step one, adding solid materials and coke powder into a crushing barrel through a feed inlet, starting a crushing motor, driving a crushing rod to rotate by the crushing motor, driving crushing blades to crush and mix the solid materials and the coke powder to obtain a mixed material, starting a rotating motor, driving a feeding pipe to rotate by the rotating motor through two meshed gears, driving one end of the feeding pipe to move to the upper side of a lower pressing plate, opening a valve on the feeding pipe, and enabling the mixed material to slide onto the lower pressing plate through the feeding pipe;
step two, starting a lifting cylinder I, driving a scraper to descend by the lifting cylinder I, starting a moving motor, driving a moving arm to move by the moving motor through a belt pulley and a belt, driving the scraper to move, uniformly scraping the mixed material on a lower pressing plate by the scraper, driving the moving arm to move to the edge of one side of an installation crossbeam by the moving motor, starting a supporting cylinder, driving a supporting plate to ascend by the supporting cylinder, enabling the upper surface of the supporting plate to be tightly attached to the bottom surface of the lower pressing plate, starting a lifting cylinder II, driving an upper pressing plate to descend by the lifting cylinder II, and extruding and pelletizing the mixed material by the upper pressing plate and the lower pressing plate to obtain;
step three, the support cylinder drives the backup pad to descend, the turnover motor is started, the turnover motor drives the lower pressing plate to turn over, the vibrating motor is started at the same time, the pellets roll down onto the belt conveyor along the lower pressing plate, the pellets are conveyed to the outside of the shell to be collected through the belt conveyor, some crushed aggregates pass through a conveying belt of the belt conveyor and fall into the hopper bin and fall into the conveying channel, the receiving motor is started, the receiving motor drives the rotating shaft to rotate, the rotating shaft drives the conveying rotating rod to rotate through the lifting chain, the conveying rotating rod drives the spiral blades to rotate, the spiral blades push the crushed aggregates in the conveying channel into the receiving bin, the lifting chain drives each receiving bin to rotate while rotating, the receiving bin digs the crushed aggregates in the receiving bin and drives the crushed aggregates to ascend, the crushed aggregates are thrown into a discharging pipe opening, and the crushed aggregates enter the crushing barrel to be recycled.
The invention has the beneficial effects that:
the invention adds solid material and coke powder into a crushing barrel through a feed inlet, drives a crushing rod to rotate through a crushing motor, drives a crushing blade to crush and mix the solid material and the coke powder to obtain a mixed material, drives a feeding pipe to rotate through two meshed gears through a rotating motor, drives one end of the feeding pipe to move to the upper part of a lower pressing plate, the mixed material slides onto the lower pressing plate through the feeding pipe, drives a scraper blade to descend through a lifting cylinder, drives a moving arm to move through a belt pulley and a belt through a moving motor, and drives the scraper blade to move, the scraper blade evenly distributes the mixed material on the lower pressing plate, the moving motor drives the moving arm to move to one side edge of a mounting cross beam, drives a supporting plate to ascend through a supporting cylinder, so that the upper surface of the supporting plate is tightly attached to the bottom surface of the lower pressing plate, starts a lifting cylinder II, drives the upper pressing plate to descend through the lifting cylinder II, and the upper pressing plate and the, the method comprises the steps of obtaining pellets, evenly scraping the mixed materials by a scraper before pelletizing, enabling the prepared pellets to have consistent weight, and guaranteeing the consistent sintering time of the subsequent pellets, so as to guarantee the pellets to be fully smelted;
the invention drives the supporting plate to descend through the supporting cylinder, drives the lower pressing plate to overturn through the overturning motor, simultaneously starts the vibrating motor, enables the pellets to roll down along the lower pressing plate onto the belt conveyor, and is conveyed to the outside of the shell to be collected through the belt conveyor, the crushed aggregates pass through the conveying belt of the belt conveyor to fall into the hopper bin and fall into the conveying channel, the receiving motor drives the rotating shaft to rotate, the rotating shaft drives the conveying rotating rod to rotate through the lifting chain, the conveying rotating rod drives the helical blade to rotate, the helical blade pushes the crushed aggregates in the conveying channel into the receiving bin, the lifting chain drives each receiving bin to rotate while rotating, the receiving bin digs the crushed aggregates in the receiving bin and drives the crushed aggregates to rise, and throws the crushed aggregates into the discharging pipe opening, the crushed aggregates enter the crushing barrel to be recycled, the crushed aggregates after pelletizing can be recycled, and the waste of materials is avoided, and resources are saved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of a ball pressing device of the present invention;
FIG. 2 is a cross-sectional view of the ball pressing device of the present invention;
FIG. 3 is a partial structural view of the ball pressing device of the present invention;
FIG. 4 is an internal structural view of the receiving bin of the present invention;
FIG. 5 is an internal structure view of the crushing cylinder of the present invention.
In the figure: 1. a housing; 2. a lower pressing plate; 3. a belt conveyor; 4. mounting a cross beam; 5. a moving arm; 6. a squeegee; 7. a first lifting cylinder; 8. a fixed arm; 9. a second lifting cylinder; 10. an upper pressure plate; 11. a material limiting frame; 12. a hopper bin; 13. a material conveying channel; 14. a material conveying rotating rod; 15. a helical blade; 16. a material receiving bin; 17. a discharge pipe orifice; 18. a rotating shaft; 19. a lifting chain; 20. a material receiving hopper; 21. a material receiving motor; 22. a milling drum; 23. a feed inlet; 24. a grinding motor; 25. crushing the stems; 26. crushing the leaves; 27. feeding pipes; 28. a connecting arm; 29. a moving motor; 30. a rotating electric machine; 31. a support cylinder; 32. a support plate; 33. turning over a motor; 34. a vibration motor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1-5, a deep processing and recycling process for hazardous waste tar and dust removal powder specifically comprises the following steps:
step one, adding the hazardous waste tar into a tar ammonia water separator for separation to obtain tar residue, performing centrifugal separation on the tar residue to obtain filter residue, adding the filter residue into a carbonization furnace, heating to 390 plus 510 ℃, further removing water and tar in the filter residue, continuously heating to 590 plus 910 ℃, carbonizing the filter residue into coke, adding the coke into a grinder for grinding to obtain coke powder; adding the dedusting ash, water and calcium oxide into a stirring tank, uniformly stirring, and then adding into a solid-liquid separator for solid-liquid separation to obtain a solid material;
secondly, adding the solid materials and the coke powder into a crushing cylinder 22 of a ball pressing device through a feed inlet 23, starting a crushing motor 24, driving a crushing rod 25 to rotate by the crushing motor 24, driving a crushing blade 26 to crush and mix the solid materials and the coke powder to obtain a mixed material, starting a rotary motor 30, driving a feeding pipe 27 to rotate by the rotary motor 30 through two meshed gears, driving one end of the feeding pipe 27 to move to the upper part of a lower pressing plate 2, opening a valve on the feeding pipe 27, enabling the mixed material to slide down on the lower pressing plate 2 through the feeding pipe 27, starting a lifting cylinder I7, driving a scraping plate 6 to descend by the lifting cylinder I7, starting a moving motor 29, driving a moving arm 5 to move through a belt pulley and a belt, driving the scraping plate 6 to move, scraping the mixed material evenly distributed on the lower pressing plate 2 by the scraping plate 6, driving the moving arm 5 to move to the edge of one side of a mounting crossbeam 4 by the moving motor 29, starting the supporting cylinder 31, the supporting cylinder 31 drives the supporting plate 32 to ascend, so that the upper surface of the supporting plate 32 is tightly attached to the bottom surface of the lower pressing plate 2, starting the second lifting cylinder 9, the second lifting cylinder 9 drives the upper pressing plate 10 to descend, the upper pressing plate 10 and the lower pressing plate 2 extrude and pelletize the mixed material to obtain pellets, the supporting cylinder 31 drives the supporting plate 32 to descend, starting the overturning motor 33, the overturning motor 33 drives the lower pressing plate 2 to overturn, simultaneously starting the vibrating motor 34, so that the pellets roll down onto the belt conveyor 3 along the lower pressing plate 2, and are conveyed to the outside of the shell 1 through the belt conveyor 3 to be collected, the crushed aggregates pass through the conveying belt of the belt conveyor 3 to fall into the hopper 12 and fall into the conveying channel 13, starting the material receiving motor 21, the material receiving motor 21 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the material conveying rotating rod 14 to rotate through the lifting chain 19, and the conveying, the helical blades 15 push the crushed aggregates in the conveying channel 13 into the receiving bin 16, the lifting chain 19 drives the receiving bins 20 to rotate while rotating, the receiving bins 20 dig the crushed aggregates in the receiving bin 16 and drive the crushed aggregates to rise, the crushed aggregates are thrown into the discharge pipe opening 17, and the crushed aggregates enter the crushing cylinder 22 for recycling;
and step three, conveying the pellets into a rotary hearth furnace for continuous high-temperature sintering, conveying the sintered pellets into a melting furnace for smelting pig iron, and cooling furnace gas for dust collection to obtain the lead-zinc powder.
The ball pressing device comprises a shell 1, an opening is formed in the upper wall of the shell 1, a lower pressing plate 2 is rotatably mounted in the opening, a turnover motor 33 is fixedly mounted on the shell 1, the end portion of an output shaft of the turnover motor 33 is fixedly connected with the lower pressing plate 2, a belt conveyor 3 is transversely arranged on the shell 1, two ends of the belt conveyor 3 respectively penetrate through the side walls of two sides of the shell 1 and extend to the outside of the shell 1, a mounting cross beam 4 is fixedly mounted on the upper surface of the shell 1, a moving arm 5 is movably mounted on one side of the mounting cross beam 4 along the horizontal direction, a lifting cylinder I7 is fixedly mounted on the moving arm 5, a scraping plate 6 is arranged below the moving arm 5, the bottom end of an output rod of the lifting cylinder I7 is fixedly connected with the scraping plate 6, connecting arms 28 are fixedly mounted at two ends of the mounting cross beam 4, and the two connecting arms 28 are respectively fixedly connected with two ends of a, the material limiting frame 11 is positioned right above the lower pressing plate 2, the fixed arm 8 is fixedly installed at the middle position of the upper surface of the installation cross beam 4, a second lifting cylinder 9 is vertically fixed on the fixed arm 8, an upper pressing plate 10 is horizontally arranged below the fixed arm 8, the bottom end of an output rod of the second lifting cylinder 9 is fixedly connected with the upper pressing plate 10, a plurality of hemispherical grooves are formed in the bottom surface of the upper pressing plate 10 and the upper surface of the lower pressing plate 2, two supporting cylinders 31 are fixedly installed on the inner walls of two sides of the shell 1, and supporting plates 32 are fixedly installed at the top ends of the output rods of the two supporting cylinders 31;
the inside of the casing 1 is provided with a funnel bin 12, the funnel bin 12 is located under the belt conveyor 3, the bottom of the funnel bin 12 is fixedly communicated with a material conveying channel 13, a material conveying rotating rod 14 is installed in the material conveying channel 13 in a rotating mode, a spiral blade 15 is fixedly installed on the material conveying rotating rod 14, a material receiving bin 16 is fixedly installed on one side of the casing 1, one end of the material conveying rotating rod 14 penetrates through the material receiving bin 16, one end of the material conveying rotating rod 14 is rotatably connected with one side wall of the material receiving bin 16 through a bearing, a rotating shaft 18 is rotatably installed above the inner side of the material receiving bin 16, gear I is fixedly installed on each of the rotating shaft 18 and the material conveying rotating rod 14 located in the material receiving bin 16, two gear I are connected through a lifting chain 19 in a transmission mode, a plurality of material receiving bins 20 are fixedly installed on the lifting chain 19, one end of the rotating shaft 18 penetrates through the material receiving bin 16 and extends to the outer side of the, a material receiving motor 21 is fixedly arranged on the material receiving bin 16, a second gear is fixedly arranged at the output shaft end of the material receiving motor 21 and one end of the rotating shaft 18, which is positioned outside the material receiving bin 16, and the two second gears are in transmission connection through a chain;
receive the top fixedly connected with ejection of compact mouth of pipe 17 of feed bin 16, ejection of compact mouth of pipe 17 and crushing barrel 22 fixed connection, receive feed bin 16 through ejection of compact mouth of pipe 17 and crushing barrel 22 intercommunication, crushing barrel 22's bottom is rotated and is installed material loading pipe 27, and material loading pipe 27's lower part is the slope setting, install the valve on the material loading pipe 27, crushing barrel 22's bottom fixed mounting has rotating electrical machines 30, rotating electrical machines 30 is connected with material loading pipe 27 transmission through two engaged with gears.
A plurality of hemisphere grooves of the bottom surface of the upper press plate 10 correspond to a plurality of hemisphere grooves of the upper surface of the lower press plate 2 one by one, and the plurality of hemisphere grooves are uniformly distributed.
A plurality of the material receiving hoppers 20 are uniformly distributed on the lifting chain 19.
A plurality of through holes are formed in the conveying belt of the belt conveyor 3 and are evenly distributed.
One side of installation crossbeam 4 is rotated and is installed two belt pulleys, connects through belt drive between two belt pulleys, the opposite side fixed mounting of installation crossbeam 4 has moving motor 29, moving motor 29's output shaft end and one of them belt pulley fixed connection, one end of removal arm 5 and one side fixed connection of belt, the one end fixed mounting of removal arm 5 has two sliders, one side fixed mounting of installation crossbeam 4 has two slide rails, removal arm 5 passes through slider, slide rail and installation crossbeam 4 sliding connection.
The bottom surface of the lower pressure plate 2 is fixedly provided with a vibration motor 34.
The top fixed mounting of crushing barrel 22 has crushing motor 24, and crushing motor 24's output shaft tip extends to in the crushing barrel 22 and fixedly connected with crushing pole 25, fixed mounting has crushing blade 26 on the crushing pole 25, the top of crushing barrel 22 is provided with feed inlet 23.
The working method of the ball pressing device specifically comprises the following steps:
step one, adding solid materials and coke powder into a crushing barrel 22 through a feeding hole 23, starting a crushing motor 24, driving a crushing rod 25 to rotate by the crushing motor 24, driving crushing blades 26 to crush and mix the solid materials and the coke powder to obtain a mixed material, starting a rotating motor 30, driving a feeding pipe 27 to rotate by the rotating motor 30 through two meshed gears, driving one end of the feeding pipe 27 to move to the upper side of a lower pressing plate 2, opening a valve on the feeding pipe 27, and sliding the mixed material onto the lower pressing plate 2 through the feeding pipe 27;
step two, starting a lifting cylinder I7, driving a scraping plate 6 to descend by the lifting cylinder I7, starting a moving motor 29, driving a moving arm 5 to move by the moving motor 29 through a belt pulley and a belt, and driving the scraping plate 6 to move, uniformly scraping and distributing the mixed materials on a lower pressing plate 2 by the scraping plate 6, driving the moving arm 5 to move to the edge of one side of a mounting beam 4 by the moving motor 29, starting a supporting cylinder 31, driving a supporting plate 32 to ascend by the supporting cylinder 31, enabling the upper surface of the supporting plate 32 to be tightly attached to the bottom surface of the lower pressing plate 2, starting a lifting cylinder II 9, driving an upper pressing plate 10 to descend by the lifting cylinder II 9, and extruding and pelletizing the mixed materials by the upper pressing plate 10 and the;
step three, the supporting cylinder 31 drives the supporting plate 32 to descend, the overturning motor 33 is started, the overturning motor 33 drives the lower pressing plate 2 to overturn, the vibrating motor 34 is started at the same time, the pellets roll down along the lower pressing plate 2 onto the belt conveyor 3 and are conveyed to the outside of the shell 1 through the belt conveyor 3 to be collected, some crushed aggregates pass through the conveying belt of the belt conveyor 3 to fall into the hopper bin 12 and fall into the conveying channel 13, the receiving motor 21 is started, the receiving motor 21 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the conveying rotating rod 14 to rotate through the lifting chain 19, the conveying rotating rod 14 drives the helical blade 15 to rotate, the helical blade 15 pushes the crushed aggregates in the conveying channel 13 into the receiving bin 16, the lifting chain 19 drives the receiving bins 20 to rotate simultaneously, the receiving bins 20 dig the crushed aggregates in the receiving bin 16 and drive the crushed aggregates to ascend, and throw the crushed aggregates into the discharging pipe orifice 17, the crushed material enters the crushing cylinder 22 for recycling.
The invention adds solid material and coke powder into a crushing cylinder 22 through a feed inlet 23, drives a crushing rod 25 to rotate through a crushing motor 24, drives a crushing blade 26 to crush and mix the solid material and the coke powder to obtain a mixed material, drives a feeding pipe 27 to rotate through two meshed gears through a rotating motor 30, drives one end of the feeding pipe 27 to move to the upper part of a lower pressing plate 2, the mixed material slides onto the lower pressing plate 2 through the feeding pipe 27, drives a scraping plate 6 to descend through a lifting cylinder 7, drives a moving arm 5 to move through a belt pulley and a belt through a moving motor 29, drives the scraping plate 6 to move, the scraping plate 6 evenly distributes the mixed material on the lower pressing plate 2, drives the moving arm 5 to move to one side edge of an installation beam 4 through the moving motor 29, drives a supporting plate 32 to ascend through the supporting cylinder 31, and enables the upper surface of the supporting plate 32 to be tightly attached to the bottom surface of the lower pressing plate 2, the second lifting cylinder 9 is started, the second lifting cylinder 9 drives the upper pressing plate 10 to descend, the upper pressing plate 10 and the lower pressing plate 2 extrude and pelletize the mixed materials to obtain pellets, the mixed materials are evenly scraped by the scraper 6 before pelletizing, so that the prepared pellets have consistent weight, the sintering time of the subsequent pellets is guaranteed to be consistent, and the pellets are guaranteed to be fully smelted;
the invention drives a supporting plate 32 to descend through a supporting cylinder 31, drives a lower pressing plate 2 to overturn through an overturning motor 33, simultaneously starts a vibration motor 34, enables pellets to roll down on a belt conveyor 3 along the lower pressing plate 2, and is conveyed to the outside of a shell 1 to be collected through the belt conveyor 3, crushed aggregates pass through a conveying belt of the belt conveyor 3 to fall into a hopper bin 12 and fall into a conveying channel 13, a material receiving motor 21 drives a rotating shaft 18 to rotate, the rotating shaft 18 drives a conveying rotating rod 14 to rotate through a lifting chain 19, the conveying rotating rod 14 drives a helical blade 15 to rotate, the helical blade 15 pushes the crushed aggregates in the conveying channel 13 into a material receiving bin 16, the lifting chain 19 drives each material receiving bin 20 to rotate simultaneously, the material receiving bin 20 digs the crushed aggregates in the material receiving bin 16 and drives the crushed aggregates to ascend, and throws the crushed aggregates into a material outlet 17, and the crushed aggregates enter a crushing barrel 22 to be recycled, the invention can recycle the crushed aggregates after the pelletizing, thereby avoiding the waste of materials and saving resources.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The deep processing and recycling process of the hazardous waste tar and the dust removal powder is characterized by comprising the following steps:
step one, adding the hazardous waste tar into a tar ammonia water separator for separation to obtain tar residue, performing centrifugal separation on the tar residue to obtain filter residue, adding the filter residue into a carbonization furnace, heating to 390 plus 510 ℃, further removing water and tar in the filter residue, continuously heating to 590 plus 910 ℃, carbonizing the filter residue into coke, adding the coke into a grinder for grinding to obtain coke powder; adding the dedusting ash, water and calcium oxide into a stirring tank, uniformly stirring, and then adding into a solid-liquid separator for solid-liquid separation to obtain a solid material;
secondly, adding the solid materials and the coke powder into a crushing cylinder (22) of a ball pressing device through a feed inlet (23), starting a crushing motor (24), driving a crushing rod (25) to rotate by the crushing motor (24) and driving a crushing blade (26) to crush and mix the solid materials and the coke powder to obtain a mixed material, starting a rotating motor (30), driving a feeding pipe (27) to rotate by the rotating motor (30) through two meshed gears, driving one end of the feeding pipe (27) to move to the upper part of a lower pressing plate (2), opening a valve on the feeding pipe (27), sliding the mixed material onto the lower pressing plate (2) through the feeding pipe (27), starting a lifting cylinder I (7), driving a scraper blade (6) to descend by the lifting cylinder I (7), starting a moving motor (29), driving a moving arm (5) to move by the moving motor (29) through a belt pulley and a belt, and driving the scraper blade (6) to move, the mixing materials are evenly scraped and distributed on the lower pressing plate (2) by the scraper (6), the moving motor (29) drives the moving arm (5) to move to the edge of one side of the installation beam (4), the supporting cylinder (31) is started, the supporting cylinder (31) drives the supporting plate (32) to ascend, so that the upper surface of the supporting plate (32) is tightly attached to the bottom surface of the lower pressing plate (2), the lifting cylinder (9) is started, the lifting cylinder (9) drives the upper pressing plate (10) to descend, the mixing materials are extruded and pelletized by the upper pressing plate (10) and the lower pressing plate (2), pellets are obtained, the supporting cylinder (31) drives the supporting plate (32) to descend, the overturning motor (33) is started, the overturning motor (33) drives the lower pressing plate (2) to overturn, the vibrating motor (34) is started simultaneously, the pellets are rolled onto the belt conveyor (3) along the lower pressing plate (2), and are conveyed to the outside of the shell (1) to be collected, crushed aggregates pass through a conveying belt of a belt conveyor (3) and fall into a hopper bin (12) and a conveying channel (13), a material receiving motor (21) is started, the material receiving motor (21) drives a rotating shaft (18) to rotate, the rotating shaft (18) drives a material conveying rotating rod (14) to rotate through a lifting chain (19), the material conveying rotating rod (14) drives a helical blade (15) to rotate, the helical blade (15) pushes the crushed aggregates in the material conveying channel (13) into a material receiving bin (16), the lifting chain (19) drives all material receiving bins (20) to rotate while rotating, the material receiving bins (20) dig the crushed aggregates in the material receiving bin (16) and drive the crushed aggregates to ascend, the crushed aggregates are thrown into a material outlet pipe opening (17), and the crushed aggregates enter a crushing cylinder (22) to be recycled;
and step three, conveying the pellets into a rotary hearth furnace for continuous high-temperature sintering, conveying the sintered pellets into a melting furnace for smelting pig iron, and cooling furnace gas for dust collection to obtain the lead-zinc powder.
2. The deep processing and recycling process of dangerous waste tar and dust removal powder as claimed in claim 1, wherein the ball pressing device comprises a housing (1), the upper wall of the housing (1) is provided with an opening, a lower pressing plate (2) is rotatably mounted in the opening, a turning motor (33) is fixedly mounted on the housing (1), the end of the output shaft of the turning motor (33) is fixedly connected with the lower pressing plate (2), a belt conveyor (3) is transversely arranged on the housing (1), two ends of the belt conveyor (3) respectively penetrate through the side walls of two sides of the housing (1) and extend to the outside of the housing (1), an installation beam (4) is fixedly mounted on the upper surface of the housing (1), a moving arm (5) is movably mounted on one side of the installation beam (4) along the horizontal direction, and a lifting cylinder (7) is fixedly mounted on the moving arm (5), a scraper (6) is arranged below the moving arm (5), the bottom end of an output rod of the first lifting cylinder (7) is fixedly connected with the scraper (6), connecting arms (28) are fixedly mounted at the two ends of the mounting cross beam (4), the two connecting arms (28) are respectively fixedly connected with the two ends of a material limiting frame (11), the material limiting frame (11) is positioned right above the lower pressing plate (2), a fixing arm (8) is fixedly mounted at the middle position of the upper surface of the mounting cross beam (4), a second lifting cylinder (9) is vertically fixed on the fixing arm (8), an upper pressing plate (10) is horizontally arranged below the fixing arm (8), the bottom end of the output rod of the second lifting cylinder (9) is fixedly connected with the upper pressing plate (10), and a plurality of hemispherical grooves are formed in the bottom surface of the upper pressing plate (10) and the upper surface of the lower pressing plate (2), two supporting cylinders (31) are fixedly mounted on the inner walls of the two sides of the shell (1), and supporting plates (32) are fixedly mounted at the top ends of output rods of the two supporting cylinders (31);
the novel belt conveyor is characterized in that a funnel bin (12) is arranged on the inner side of the shell (1), the funnel bin (12) is located under a belt conveyor (3), a conveying channel (13) is fixedly communicated with the bottom of the funnel bin (12), a conveying rotating rod (14) is installed in the conveying channel (13) in a rotating mode, a spiral blade (15) is fixedly installed on the conveying rotating rod (14), a receiving bin (16) is fixedly installed on one side of the shell (1), one end of the conveying rotating rod (14) penetrates through the receiving bin (16), one end of the conveying rotating rod (14) is rotatably connected with one side wall of the receiving bin (16) through a bearing, a rotating shaft (18) is rotatably installed above the inner side of the receiving bin (16), a first gear is fixedly installed on the rotating shaft (18) and the conveying rotating rod (14) located in the receiving bin (16), and the first gears are connected through a lifting chain (19), a plurality of material receiving hoppers (20) are fixedly mounted on the lifting chain (19), one end of the rotating shaft (18) penetrates through the material receiving bin (16) and extends to the outer side of the material receiving bin (16), a material receiving motor (21) is fixedly mounted on the material receiving bin (16), a second gear is fixedly mounted at the output shaft end of the material receiving motor (21) and one end, located on the outer side of the material receiving bin (16), of the rotating shaft (18), and the two second gears are in transmission connection through chains;
receive top fixedly connected with ejection of compact mouth of pipe (17) of feed bin (16), ejection of compact mouth of pipe (17) and crushing barrel (22) fixed connection, receive feed bin (16) and communicate through ejection of compact mouth of pipe (17) and crushing barrel (22), the bottom of crushing barrel (22) is rotated and is installed material loading pipe (27), and the lower part of material loading pipe (27) is the slope setting, install the valve on material loading pipe (27), the bottom fixed mounting of crushing barrel (22) has rotating electrical machines (30), rotating electrical machines (30) are connected with material loading pipe (27) transmission through two engaged with gears.
3. The deep processing and recycling process of dangerous waste tar and dust removal powder as claimed in claim 2, wherein a plurality of hemispherical grooves on the bottom surface of the upper pressing plate (10) are in one-to-one correspondence with a plurality of hemispherical grooves on the upper surface of the lower pressing plate (2), and the plurality of hemispherical grooves are uniformly distributed.
4. The deep processing and recycling process of dangerous waste tar and dust removal powder as claimed in claim 2, wherein said plurality of receiving hoppers (20) are uniformly distributed on the lifting chain (19).
5. The deep processing and recycling process of dangerous waste tar and dust removal powder as claimed in claim 2, wherein the conveyor belt of the belt conveyor (3) is provided with a plurality of through holes, and the plurality of through holes are uniformly distributed.
6. The deep processing and recycling process for dangerous waste tar and dust removal powder as claimed in claim 2, wherein one side of the mounting beam (4) is rotatably provided with two belt pulleys, the two belt pulleys are connected through belt transmission, the other side of the mounting beam (4) is fixedly provided with a mobile motor (29), the output shaft end of the mobile motor (29) is fixedly connected with one of the belt pulleys, one end of the moving arm (5) is fixedly connected with one side of the belt, one end of the moving arm (5) is fixedly provided with two sliding blocks, one side of the mounting beam (4) is fixedly provided with two sliding rails, and the moving arm (5) is slidably connected with the mounting beam (4) through the sliding blocks and the sliding rails.
7. The deep processing and recycling process of dangerous waste tar and dust removal powder as claimed in claim 2, wherein a vibrating motor (34) is fixedly mounted on the bottom surface of the lower pressing plate (2).
8. The deep processing and recycling process of dangerous waste tar and dust removal powder as claimed in claim 2, wherein the top of the crushing barrel (22) is fixedly provided with a crushing motor (24), the end part of the output shaft of the crushing motor (24) extends into the crushing barrel (22) and is fixedly connected with a crushing rod (25), the crushing rod (25) is fixedly provided with crushing blades (26), and the top of the crushing barrel (22) is provided with a feeding hole (23).
9. The deep processing and recycling process of the hazardous waste tar and the dust removal powder as claimed in claim 2, wherein the working method of the ball pressing device specifically comprises the following steps:
step one, solid materials and coke powder are added into a crushing barrel (22) through a feeding hole (23), a crushing motor (24) is started, the crushing motor (24) drives a crushing rod (25) to rotate and drives crushing blades (26) to crush and mix the solid materials and the coke powder to obtain mixed materials, a rotating motor (30) is started, the rotating motor (30) drives a feeding pipe (27) to rotate through two meshed gears and drives one end of the feeding pipe (27) to move to the upper side of a lower pressing plate (2), a valve on the feeding pipe (27) is opened, and the mixed materials slide onto the lower pressing plate (2) through the feeding pipe (27);
step two, starting a lifting cylinder I (7), driving a scraper (6) to descend by the lifting cylinder I (7), starting a moving motor (29), driving a moving arm (5) to move by the moving motor (29) through a belt pulley and a belt, and driving the scraper (6) to move, uniformly scraping and distributing the mixed material on a lower press plate (2) by the scraper (6), driving the moving arm (5) to move to the edge of one side of a mounting cross beam (4) by the moving motor (29), starting a supporting cylinder (31), driving a supporting plate (32) to ascend by the supporting cylinder (31), enabling the upper surface of the supporting plate (32) to be tightly attached to the bottom surface of the lower press plate (2), starting a lifting cylinder II (9), driving an upper press plate (10) to descend by the lifting cylinder II (9), and extruding and pelletizing the upper press plate (10) and the lower press plate (2) to obtain a pelletized mixed material;
step three, a supporting cylinder (31) drives a supporting plate (32) to descend, a turning motor (33) is started, the turning motor (33) drives a lower pressing plate (2) to turn, a vibration motor (34) is started at the same time, pellets fall onto a belt conveyor (3) along the lower pressing plate (2), the pellets are conveyed to the outside of a shell (1) through the belt conveyor (3) to be collected, some of the pellets pass through a conveying belt of the belt conveyor (3) and fall into a hopper bin (12) and a conveying channel (13), a material receiving motor (21) is started, the material receiving motor (21) drives a rotating shaft (18) to rotate, the rotating shaft (18) drives a conveying rotating rod (14) to rotate through a lifting chain (19), the conveying rotating rod (14) drives a spiral blade (15) to rotate, the spiral blade (15) pushes the pellets in the conveying channel (13) into a material receiving bin (16), and the lifting chain (19) drives all material receiving bins (20) to rotate simultaneously, the material collecting hopper (20) digs the crushed materials in the material collecting bin (16) and drives the crushed materials to rise, the crushed materials are thrown into the material outlet pipe opening (17), and the crushed materials enter the crushing cylinder (22) for recycling.
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| CN202011203662.0A CN112301216B (en) | 2020-11-02 | 2020-11-02 | Deep processing and recycling process for hazardous waste tar and dust removal powder |
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| CN202011203662.0A CN112301216B (en) | 2020-11-02 | 2020-11-02 | Deep processing and recycling process for hazardous waste tar and dust removal powder |
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| CN102977905A (en) * | 2012-11-28 | 2013-03-20 | 大连东泰产业废弃物处理有限公司 | Method for treating tar residues |
| CN106636621A (en) * | 2016-09-30 | 2017-05-10 | 首钢总公司 | Device for assisting green ball in disengaging and ball press machine |
| CN106702150A (en) * | 2017-03-11 | 2017-05-24 | 重庆臻焱节能环保科技有限公司 | Self-cleaning cold-pressed pellet processing system |
| CN210846542U (en) * | 2019-10-31 | 2020-06-26 | 重庆欧林绿色建筑工程有限公司 | Waste recovery device for mortar processing |
| CN111455187A (en) * | 2020-03-10 | 2020-07-28 | 上海宝叶冶金技术有限公司 | Method for recycling fly ash |
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2020
- 2020-11-02 CN CN202011203662.0A patent/CN112301216B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977905A (en) * | 2012-11-28 | 2013-03-20 | 大连东泰产业废弃物处理有限公司 | Method for treating tar residues |
| CN106636621A (en) * | 2016-09-30 | 2017-05-10 | 首钢总公司 | Device for assisting green ball in disengaging and ball press machine |
| CN106702150A (en) * | 2017-03-11 | 2017-05-24 | 重庆臻焱节能环保科技有限公司 | Self-cleaning cold-pressed pellet processing system |
| CN210846542U (en) * | 2019-10-31 | 2020-06-26 | 重庆欧林绿色建筑工程有限公司 | Waste recovery device for mortar processing |
| CN111455187A (en) * | 2020-03-10 | 2020-07-28 | 上海宝叶冶金技术有限公司 | Method for recycling fly ash |
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