CN114147050A - Special device for heat treatment of industrial waste salt - Google Patents
Special device for heat treatment of industrial waste salt Download PDFInfo
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- CN114147050A CN114147050A CN202111420304.XA CN202111420304A CN114147050A CN 114147050 A CN114147050 A CN 114147050A CN 202111420304 A CN202111420304 A CN 202111420304A CN 114147050 A CN114147050 A CN 114147050A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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Abstract
The invention discloses a special device for heat treatment of industrial waste salt, which comprises a feeder, a heat treatment reactor and a heat treatment gas dust remover, wherein the inlet of the feeder is connected with a feed hopper, the discharge end of the feeder is connected with the feed end of the heat treatment reactor, the heat treatment reactor is provided with an outer cylinder, a middle cylinder and an inner cylinder, a high-temperature flue gas channel is arranged between the outer cylinder and the middle cylinder, a conveying guide spiral plate is arranged between the middle cylinder and the inner cylinder of the heat treatment reactor, the outer cylinder, the middle cylinder and the inner cylinder of the heat treatment reactor rotate together, grinding energy storage balls are arranged in the inner cylinder of the heat treatment reactor, a material turning conveying plate is arranged in the inner cylinder of the heat treatment reactor, and the heat treatment gas dust remover is connected with the exhaust outlet of the heat treatment reactor. The invention solves the engineering problems of sticking the waste salt on the wall surface of equipment, caking, equipment corrosion, pipeline blockage caused by carrying dust in heat treatment gas, poor heat treatment effect, low heat efficiency and the like in the heat treatment process of industrial waste salt.
Description
Technical Field
The invention discloses a special device for heat treatment of industrial waste salt, and relates to the field of resource utilization, treatment and disposal of industrial waste salt.
Background
The industrial waste salt is mainly from a plurality of industries such as pesticide, pharmacy, fine chemical industry, printing and dyeing and the like. The annual output of the waste salt currently exceeds 2000 ten thousand tons. The industrial waste salt generally contains a certain amount of toxic and harmful substances or impurity elements with strong toxicity. Such industrial byproduct waste salt residues have: the water-soluble organic fertilizer has the characteristics of high moisture content, strong hygroscopicity, deliquescence, strong water solubility, difficult treatment and the like, can not be directly used as an industrial raw material due to the containing of toxic and harmful chemical substances, and belongs to a nationally defined hazardous waste substance. For a long time, most enterprises stack, bury or directly discharge the waste in the open air, and due to the disordered stacking and discharge of the enterprises, a large amount of land resources are wasted, valuable substances cannot be scientifically and reasonably comprehensively utilized, more importantly, the waste salts have complex composition, high toxicity and strong water solubility, wherein soluble salts and toxic and harmful chemical substances migrate along with rainwater, seriously salinize surrounding soil, destroy natural vegetation, deteriorate water quality, pollute water sources, cause destructive damage to the environment, and threaten the living environment and the natural environment of human beings to a great extent.
Chinese patent document CN205275440U discloses a roller and a sludge drying machine comprising the same, which has the disadvantages that the stirring rod is seriously worn and corroded, the exhaust gas of the furnace contains a large amount of dust, the dust is easy to settle and accumulate to block the exhaust pipeline, the system equipment is not normally operated, and the equipment is not suitable for high-temperature heat treatment. Chinese patent document CN109099429A discloses a labyrinth type high-temperature flue gas pyrolysis furnace, which has the disadvantages that the pressure drop of the labyrinth flue is large, the inner cylinder is easy to deform at high temperature or in a static state due to the fact that more inner baffles are welded on the inner cylinder, and materials are bonded on the inner cylinder, so that the operation and heat treatment effects of equipment are affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a special device for heat treatment of industrial waste salt.
The technical solution of the invention is as follows: the special device for the heat treatment of the industrial waste salt comprises a heat treatment reactor, and a riding wheel and a driver which are arranged on the surface of the heat treatment reactor, wherein the driver is used for driving the heat treatment reactor to rotate, and the riding wheel is used for supporting the heat treatment reactor; the heat treatment reactor comprises an inner cylinder, a middle cylinder and an outer cylinder, wherein the inner cylinder, the middle cylinder and the outer cylinder are sequentially sleeved; the inner cylinder body is of a structure with two open ends, the two ends of the middle cylinder body are respectively provided with an end face, one end of the inner cylinder body and one end of the middle cylinder body share one end face, a feed port is arranged on the end face and used as a feed port of the heat treatment reactor, the other end face of the middle cylinder body is a pattern plate, and a mesh is arranged on the middle cylinder body and is a mesh section of the middle cylinder body and is adjacent to the other end face of the middle cylinder body; the outer cylinder body is sleeved on the middle cylinder body and is not provided with a mesh section, and a flue gas channel is formed between the middle cylinder body and the outer cylinder body; the end of the outer cylinder body close to the discharge port is provided with a flue gas outlet, and the other end of the outer cylinder body is provided with a flue gas inlet. The inner cylinder is provided with a material turning conveying plate which is used for conveying the waste salt in the inner cylinder to the other end from the feed inlet end of the heat treatment reactor when the heat treatment reactor rotates.
The industrial waste salt enters the inner cylinder from the feed inlet of the heat treatment reactor, the waste salt entering the heat treatment reactor is in indirect contact with high-temperature flue gas for heat exchange, and the heat treatment reactor rotates under the action of the riding wheel and the driver, so that the industrial waste salt is driven to continuously turn over under the action of the material turning conveying plate, the contact between the waste salt and a heated surface is increased, the heat treatment efficiency is improved, and meanwhile, the waste salt can move from the feed inlet end to the other end of the inner cylinder, enters the mesh section of the middle cylinder and falls out of the middle cylinder through meshes.
Furthermore, the stirring conveying plates are multiple groups, each group of stirring conveying plates are uniformly arranged along the circumferential direction of the inner surface of the inner cylinder body, the whole stirring conveying plates are spirally arranged, the material conveying and stirring functions are achieved, the adjacent two groups of stirring conveying plates are arranged in a staggered mode, and the stirring conveying plates can be freely detached and maintained.
Furthermore, the material reversing conveying plate in the 1/3 inner cylinder body at the near material port end is also provided with a vibrator, the vibrator on each material reversing conveying plate is not less than 3 pairs, the vibrators are uniformly arranged and can be freely detached and are in a chain type or a hanging ball type
Further, a plurality of partition plates are evenly arranged between the middle barrel and the outer barrel along the length direction of the barrel, the partition plates evenly divide the flue gas channel into a plurality of flues, and the partition plates simultaneously play roles in fixing the outer barrel of the middle barrel and increasing heat transfer. The outer cylinder body is also provided with a smoke inlet distributor for distributing smoke to different smoke channels.
Furthermore, a discharge end socket is sleeved on the mesh section of the middle barrel, a discharge port and a heat treatment gas outlet are arranged on the discharge end socket, and the discharge port faces downwards. Waste salt enters the mesh section of the middle cylinder body, falls into the discharging seal head from the mesh section of the middle cylinder body through meshes, and falls out from a discharging hole of the discharging seal head.
Furthermore, a discharge end material seal is arranged at the discharge port of the discharge end enclosure, and a heat treatment gas emergency discharge port is also arranged at the top of the discharge end enclosure.
Further, grinding energy storage balls are added into the inner cylinder; the grinding energy storage balls in the inner cylinder body continuously grind the industrial waste salt along with the rotation of the heat treatment reactor, so that industrial waste salt blocks or large-particle waste salt are changed into small-particle waste salt, the industrial waste salt is prevented from caking during heat treatment, the contact area between the industrial waste salt and a heat exchange surface is increased, and organic matters in the industrial waste salt are efficiently removed; a grinding energy storage ball circulation port is formed in the side face of the inner cylinder body and is adjacent to the material approaching end of the inner cylinder body; and a conveying and guiding spiral plate is arranged between the middle cylinder and the inner cylinder of the heat treatment reactor and is used for conveying the grinding energy storage balls to the grinding energy storage ball circulating port and enabling the grinding energy storage balls to enter the inner cylinder through the grinding energy storage ball circulating port.
Furthermore, the number of the grinding energy storage ball circulation ports is not less than 4. The grinding energy storage balls are inorganic non-metal balls or corrosion-resistant metal balls, and the size of the grinding energy storage balls is selected according to the material and the condition of the heat treatment reactor.
Furthermore, the special device for heat treatment of the industrial waste salt, disclosed by the invention, also comprises a feed hopper and a feeder, wherein a discharge hole of the feed hopper is connected with a feed inlet of the feeder, and a discharge end of the feeder extends into the inner cylinder body through the feed inlet of the heat treatment reactor.
Furthermore, the feeder is a screw conveyor, the screw of the feeder is a single screw or a double screw, a certain material level is arranged in the feed hopper, or a certain distance is reserved at the outlet of the feeder to play a material sealing role.
Further, a cylindrical shell is arranged on the feeding machine, the cylindrical shell 27 is communicated with the inner cylinder 29, and a grinding energy storage ball inlet 28 is arranged at the upper part of the cylindrical shell 27 and used for adding the grinding energy storage balls 25 into the inner cylinder 29.
Further, still be equipped with in the feeder hopper and prevent material bridging device and automatic weighing appearance, weigh the material of adding.
Furthermore, the special device for the heat treatment of the industrial waste salt, disclosed by the invention, also comprises a dust remover, wherein the dust remover is connected with the heat treatment gas outlet and is used for removing dust from the heat treatment gas;
the dust remover comprises a dust remover heat treatment gas outlet and a slag discharge port. The hot treatment gas outlet of the dust remover is arranged upwards, and the slag discharge port is arranged downwards. The dust remover is a cyclone dust remover, and the interior of the dust remover is sprayed with a high-temperature-resistant corrosion-resistant special coating.
The invention has the beneficial effects that: the method solves the problems that materials are bonded on the wall surface of equipment, the materials are agglomerated, the equipment is seriously corroded, the hot treatment gas carries dust to block a pipeline, the treatment effect is unsatisfactory, the equipment cannot be continuously operated and stably operates for a long period in the prior heat treatment technology.
(1) The mode of arranging the vibrator on the material turning conveying plate is adopted, so that the adhesion of industrial waste salt in a heat treatment reactor is avoided, and the use efficiency of the equipment is greatly improved.
(2) The method of adding the grinding energy storage balls in the heat treatment reactor avoids the caking phenomenon of industrial waste salt during heat treatment and increases the heat treatment efficiency of the waste salt.
(3) The flue gas channel between the inner cylinder and the outer cylinder of the heat treatment reactor is divided equally by a partition plate, so that the heat utilization rate of the flue gas is improved.
(4) The outlet of the heat treatment gas of the heat treatment reactor is directly connected with the dust remover, so that the condition that the heat treatment gas carries salt dust to corrode or block a subsequent pipeline is effectively prevented.
(5) The inner cylinder body of the heat treatment reactor adopts hastelloy or titanium alloy, so that the corrosion of waste salt on equipment at high and low temperatures is greatly reduced, and the service life and the operation safety of the equipment are ensured.
Drawings
FIG. 1 is a schematic view of a special apparatus for heat treatment of industrial waste salt according to the present invention;
FIG. 2 is a schematic view of the partition between the inner and outer cylinders of the thermal treatment reactor;
FIG. 3 is a schematic view of a material turning and conveying plate and grinding energy storage balls;
fig. 4 is a schematic view of a material turning conveyor plate rapping chain;
FIG. 5 is a schematic view of a spiral plate for conveying grinding energy storage balls between the middle cylinder and the inner cylinder;
FIG. 6 is a schematic view of a pattern plate for preventing grinding energy storage balls from falling;
FIG. 7 is a schematic diagram of a separation section of the intermediate cylinder body heat treatment industrial waste salt and the grinding energy storage balls;
fig. 8 is a schematic view of the inner cylinder grinding energy storage ball circulation port.
Wherein: the device comprises a feed hopper 1, a material seal 2, a feeder 3, an intermediate cylinder 4, an outer cylinder 5, a flue gas inlet 6, a flue gas outlet 7, a flue gas inlet distributor 8, a heat treatment reactor flue gas outlet seal head 9, a heat insulation layer 10, a riding wheel 11, a driver 12, a heat treatment gas emergency discharge port 13, a discharge seal head 14, a discharge port 15, a discharge end material seal 16, a heat treatment gas outlet 17, a dust remover heat treatment gas inlet 18, a dust remover 19, a dust remover heat treatment gas outlet 20, a slag discharge port 21, a partition plate 22, a material turning conveying plate 23, a shaker 24, a grinding energy storage ball 25, a heat treatment reactor 26, a cylindrical shell 27, a grinding energy storage ball inlet 28, an inner cylinder 29, an intermediate cylinder mesh section 30, a pattern plate 31, a grinding energy storage ball circulation port 32 and a conveying guide spiral plate 33.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 8. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the invention are illustrated in the drawings.
The special device for heat treatment of the industrial waste salt comprises a feed hopper 1, a feeder 3, a heat treatment reactor 26, a riding wheel 11 and a driver 12, wherein the riding wheel 11 and the driver 12 are arranged on the surface of the heat treatment reactor 26, the driver 12 is used for driving the heat treatment reactor 26 to rotate, and the riding wheel 11 is used for supporting the heat treatment reactor 26;
the discharge port of the feed hopper 1 is connected with the feed port of the feeder 3, and the discharge end of the feeder 3 extends into the heat treatment reactor 26 and is used for adding industrial waste salt into the heat treatment reactor 26.
The feeding hopper 1 is also provided with a material bridging prevention device and an automatic weighing instrument, and aims to enable industrial waste salt to smoothly enter the feeding machine 3 and weigh the added material, the feeding machine 3 is a spiral conveyor, the spiral of the spiral conveyor is single spiral or double spiral, and in order to keep certain pressure of the heat treatment reactor 26, the heat treatment reactor 26 for preventing atmospheric air from entering is provided with a material seal 2 at the discharging ends of the feeding hopper 1 and the feeding machine 3.
The feeder 3 is also provided with a cylindrical shell 27 communicated with the inner cylinder 29, and the upper part of the cylindrical shell 27 is provided with a grinding energy storage ball inlet 28 for adding the grinding energy storage balls 25 into the inner cylinder 29. The grinding energy storage ball 25 is added into the inner cylinder 29 through the grinding energy storage ball inlet 28 during the original driving, and the grinding energy storage ball inlet 28 is sealed at ordinary times.
The heat treatment reactor 26 comprises an inner cylinder 29, a middle cylinder 4 and an outer cylinder 5, wherein the inner cylinder 29, the middle cylinder 4 and the outer cylinder 5 are sequentially sleeved;
the inner cylinder 29 is of a structure with two open ends, the inner cylinder 29 is made of hastelloy or titanium alloy, the two ends of the middle cylinder 4 are respectively provided with end faces, one end of the inner cylinder 29 and one end of the middle cylinder 4 share one end face, the end faces are provided with feed inlets which are used as feed inlets of the heat treatment reactor 26, the other end face of the middle cylinder 4 is a pattern plate 31, the middle cylinder 4 is provided with meshes which are middle cylinder mesh type sections 30 and are adjacent to the pattern plate end face of the middle cylinder 4.
The outer cylinder 5 is sleeved on the middle cylinder 4 and is not provided with a mesh section, and a flue gas channel is formed between the middle cylinder 4 and the outer cylinder 5; a smoke outlet 7 is arranged on the outer cylinder 5 near the discharge port end, and a smoke inlet 6 is arranged at the other end of the outer cylinder 5. The surface of the outer cylinder 5 is also provided with a heat-insulating layer 10.
The inner cylinder 29 is provided with a plurality of groups of material turning conveying plates 23, each group of material turning conveying plates 23 are uniformly arranged along the circumferential direction of the inner surface of the inner cylinder 29 and are spirally arranged to play a role in conveying materials and turning materials, two adjacent groups of material turning conveying plates 23 are arranged in a staggered manner, and the material turning conveying plates 23 can be freely detached and overhauled to convey industrial waste salt in the inner cylinder 29 to the other end from the feed port end of the heat treatment reactor 26 when the heat treatment reactor 26 rotates.
The material turning conveying plate 23 in the cylinder 29 near the feed inlet end of the cylinder 1/3 is also provided with rappers 24, the number of the rappers 24 on each material turning conveying plate 23 is not less than 3, the rappers 24 are uniformly arranged, the rappers 24 can be freely detached, and the rappers 24 are in a chain type or a hanging ball type.
Evenly be provided with a plurality of baffles 22 along barrel length direction between middle barrel 4 and outer barrel 5, baffle 22 evenly falls into many flues with the flue gas passageway, and baffle 22 plays fixed middle barrel 4 and outer barrel 5 simultaneously to and increase the effect of heat transfer.
The outer cylinder 5 is also provided with a flue gas inlet distributor 8 for distributing flue gas to different flue gas channels.
The middle cylinder mesh section 30 is sleeved with a discharge end enclosure 14, the discharge end enclosure 14 does not rotate along with the middle cylinder 4, a discharge port 14 and a heat treatment gas outlet 17 are arranged on the discharge end enclosure 14, the discharge port 14 faces downwards, and a discharge port seal 16 is arranged at the discharge port 14 of the discharge end enclosure 14. The top of the discharging end enclosure 14 is also provided with a heat treatment gas emergency discharge port 13.
The waste salt enters the mesh section 30 of the middle cylinder body, falls into the discharging seal head 14 from the mesh section 30 of the middle cylinder body through meshes, and falls out from the discharging hole 14 of the discharging seal head 14.
The side surface of the inner cylinder 29 is provided with grinding energy storage ball circulation ports 32, the number of the grinding energy storage ball circulation ports 32 is not less than four, and the grinding energy storage ball circulation ports 32 are adjacent to the material approaching end of the inner cylinder 29;
a conveying and guiding spiral plate 33 is arranged between the middle cylinder 4 and the inner cylinder 29 of the heat treatment reactor 26 and is used for conveying the grinding energy storage balls 25 to the grinding energy storage ball circulating port 32 and entering the inner cylinder 29 through the grinding energy storage ball circulating port 32. The grinding energy storage balls 25 are inorganic non-metal balls or corrosion-resistant metal balls, and the size of the grinding energy storage balls 25 is selected according to the material and the condition of the heat treatment reactor 26.
The special device for the heat treatment of the industrial waste salt further comprises a dust remover 19, wherein the dust remover 19 is connected with the heat treatment gas outlet 17 and is used for removing dust from the heat treatment gas; the dust remover 19 comprises a dust remover hot process gas inlet 18, a dust remover hot process gas outlet 20 and a slag discharge port 21. An inlet 18 of the dust remover heat treatment device is connected with a heat treatment gas outlet 17, a 20 of the dust remover heat treatment gas outlet is upwards arranged 19, and a 21 of the slag discharging port is downwards arranged. The dust remover 19 is a cyclone dust remover, and the interior of the dust remover 19 is sprayed with a high-temperature-resistant corrosion-resistant special coating.
The industrial waste salt is first fed into a feed hopper 1, the feed hopper 1 being square. Industrial waste salt in the feed hopper 1 is quantitatively and uniformly added into an inner cylinder 29 of the heat treatment reactor 26 through the feeder 3, and grinding energy storage balls 25 are added into the inner cylinder 29 through a grinding energy storage ball inlet 28 during the original starting; high-temperature flue gas enters the flue gas inlet distributor 8 from a flue gas inlet of the heat treatment reactor 26, the flue gas stably and uniformly enters a flue gas channel between the middle cylinder 4 and the outer cylinder 5, the flue gas and waste salt undergo counter-current dividing wall heat exchange, and the flue gas after heat exchange enters a flue gas outlet 7 of a flue gas outlet end socket 9 of the heat treatment reactor and is discharged out of the heat treatment reactor 26.
The waste salt added into the inner cylinder 29 indirectly contacts with the high-temperature flue gas for heat exchange, and the heat treatment reactor 26 rotates under the action of the riding wheel 11 and the driver 12, so that the industrial waste salt is driven to continuously turn over under the action of the material turning conveying plate 23, the contact between the waste salt and a heated surface is increased, the heat treatment efficiency is improved, and meanwhile, the waste salt can be moved to the other end of the inner cylinder 29 from the material inlet end; the vibrator 24 arranged on the material overturning conveying plate 23 continuously vibrates the cylinder body when the cylinder body rotates, thereby effectively preventing the industrial waste salt from being adhered to the wall of the equipment. Meanwhile, the grinding energy storage balls 25 continuously grind the industrial waste salt along with the rotation of the heat treatment reactor 26, so that industrial waste salt blocks or large-particle waste salt are changed into small-particle waste salt, the industrial waste salt is prevented from caking during heat treatment, the contact area between the industrial waste salt and a heat exchange surface is increased, and organic matters in the industrial waste salt are efficiently removed.
The industrial waste salt moves from the feeding end to the discharging end under the rotation of the heat treatment reactor 26, the waste salt after heat treatment falls into the mesh section 30 of the middle cylinder body, the waste salt after heat treatment is separated from the grinding energy storage balls 25 at the section, and the separated grinding energy storage balls 25 are conveyed to the grinding energy storage ball circulation port 32 by the conveying guide spiral plate 33 and enter the inner cylinder body 29, so that the circulation of the grinding energy storage balls 25 is realized. The separated heat treatment waste salt falls into the discharge port 14 of the discharge end enclosure 14 and is discharged out of the heat treatment reactor 26, and the discharge port 14 is provided with a discharge port seal 16 due to the process requirement of the heat treatment reactor 26.
In order to prevent salt dust carried by hot treatment gas in the heat treatment reactor 26 from settling and accumulating to block a pipeline, so that the heat treatment reactor 26 is unsmooth in gas exhaust and causes accidents due to overpressure, the upper end of the discharging end enclosure 14 is provided with an emergency discharging port 13 for the hot treatment gas. Gas generated by the heat treatment of the industrial waste salt is discharged out of the heat treatment reactor 26 through the heat treatment gas outlet 17 and enters the heat treatment gas dust remover 19. The dust carried by the hot processing gas is separated through the action of the hot processing gas dust remover 19, the separated salt dust is discharged out of the hot processing gas dust remover 19 through the slag discharge port 21, and the dedusted hot processing gas is discharged out of the hot processing gas outlet 20 of the dust remover. The effect of the heat treatment gas passing through the heat treatment dust collector 19 reduces the blockage of the heat treatment gas pipeline and the corrosion of the smoke dust to the pipeline.
The foregoing shows and describes the general principles, features and advantages of this patent. It should be understood by those skilled in the art that the above embodiments are not intended to limit the present invention in any way, and all technical solutions obtained by using equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. The special device for the heat treatment of the industrial waste salt is characterized by comprising a heat treatment reactor (26), and a riding wheel (11) and a driver (12) which are arranged on the surface of the heat treatment reactor (26), wherein the driver (12) is used for driving the heat treatment reactor (26) to rotate, and the riding wheel (11) is used for supporting the heat treatment reactor (26);
the heat treatment reactor (26) comprises an inner cylinder (29), a middle cylinder (4) and an outer cylinder (5), wherein the inner cylinder (29), the middle cylinder (4) and the outer cylinder (5) are sequentially sleeved;
the inner cylinder (29) is of a structure with two open ends, the two ends of the middle cylinder (4) are respectively provided with an end face, one end of the inner cylinder (29) and one end of the middle cylinder (4) share one end face, a feed port is arranged on the end face and used as a feed port of the heat treatment reactor (26), and the other end face of the middle cylinder (4) is provided with a pattern plate (31); the middle cylinder (4) is provided with a mesh which is a mesh section (30) of the middle cylinder and is adjacent to the end surface of the pattern plate (31) of the middle cylinder (4);
the outer cylinder (5) is sleeved on the middle cylinder (4) and is not provided with a mesh section, and a flue gas channel is formed between the middle cylinder (4) and the outer cylinder (5); a flue gas outlet (7) is arranged at the position, close to the discharge end, of the outer cylinder (5), and a flue gas inlet 6 is arranged at the other end of the outer cylinder (5);
the inner cylinder (29) is provided with a turnover conveying plate (23) which is used for conveying the waste salt in the inner cylinder (29) from the feed inlet end of the heat treatment reactor (26) to the other end when the heat treatment reactor rotates.
2. The special device for the heat treatment of the industrial waste salt as claimed in claim 1, wherein the plurality of groups of the turnover conveying plates (23) are arranged, and each group of turnover conveying plates (23) is uniformly arranged along the circumferential direction of the inner surface of the inner cylinder (29) and is generally spirally arranged.
3. The special device for the heat treatment of the industrial waste salt as claimed in claim 2, wherein a vibrator (24) is further arranged on the material overturning and conveying plate (23) in the cylinder body (29) in 1/3 near the feed inlet end.
4. The special device for the heat treatment of the industrial waste salt, according to the claim 1, is characterized in that a plurality of partition boards (22) are uniformly arranged between the middle cylinder (4) and the outer cylinder (5) along the length direction of the cylinders, and the partition boards (22) divide a flue gas channel into a plurality of flues uniformly;
the outer cylinder (5) is also provided with a smoke inlet distributor (8) for distributing smoke to different smoke channels.
5. The special device for the heat treatment of the industrial waste salt as claimed in claim 1, wherein a discharging end enclosure (14) is sleeved on the mesh section (30) of the middle cylinder body, a discharging port (15) and a heat treatment gas outlet (17) are arranged on the discharging end enclosure (14), and the discharging port (15) faces downwards.
6. The special device for the heat treatment of the industrial waste salt as claimed in claim 1, further comprising a grinding energy storage ball (25) added into the inner cylinder (29);
a grinding energy storage ball circulation port (32) is formed in the side face of the inner cylinder body (29), and the grinding energy storage ball circulation port (32) is adjacent to the material approaching end of the inner cylinder body (29);
a conveying and guiding spiral plate (33) is arranged between the middle cylinder (4) and the inner cylinder (29) of the heat treatment reactor (26) and is used for conveying the grinding energy storage balls (25) to the grinding energy storage ball circulating port (32) and enabling the grinding energy storage balls to enter the inner cylinder (29) through the grinding energy storage ball circulating port (32).
7. The special device for the heat treatment of the industrial waste salt, according to claim 1, further comprising a feed hopper (1) and a feeder (3), wherein a discharge port of the feed hopper (1) is connected with a feed port of the feeder (3), and a discharge end of the feeder (3) extends into the inner cylinder (29) through a feed port of the heat treatment reactor (26).
8. The special device for heat treatment of industrial waste salt according to claim 7,
the feed machine (3) overcoat is equipped with cylindrical shell (27), and cylindrical shell (27) and interior barrel (29) intercommunication, and cylindrical shell (27) upper portion sets up grinds energy storage ball entry (28) for add grinding energy storage ball (25) in to interior barrel (29).
9. The special device for the heat treatment of the industrial waste salt, according to claim 5, is characterized in that a discharge end material seal (16) is arranged at a discharge hole (15) of the discharge end socket (14), and the top of the discharge end socket (14) is further provided with an emergency discharge hole (13) for heat treatment gas.
10. The special device for the heat treatment of the industrial waste salt according to claim 5, characterized by further comprising a dust remover (19) for removing dust from the heat treatment gas;
the dust remover (19) comprises a dust remover heat treatment gas inlet (18), a dust remover heat treatment gas outlet (20) and a slag discharge port (21); an inlet (18) of the heat treatment device of the dust remover is connected with a heat treatment gas outlet (17), the heat treatment gas outlet (20) of the dust remover is arranged upwards (19), and a slag discharge port (21) is arranged downwards.
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| CN202111420304.XA CN114147050B (en) | 2021-11-26 | 2021-11-26 | Special device for industrial waste salt heat treatment |
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| CN202111420304.XA CN114147050B (en) | 2021-11-26 | 2021-11-26 | Special device for industrial waste salt heat treatment |
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| CN114147050A true CN114147050A (en) | 2022-03-08 |
| CN114147050B CN114147050B (en) | 2023-06-06 |
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