CN212559476U - Uniform internal heat stirring type activation kiln - Google Patents

Abstract

The utility model discloses an even internal heat stirring formula activation kiln belongs to the active carbon field. A uniform internal thermal stirring type activation kiln comprises a kiln main body, a feeding mechanism, a flow guiding stirring mechanism, a water sealing mechanism, a discharging mechanism and a hot blast stove, wherein the feeding mechanism is arranged on the side wall of the kiln main body; the hot blast stove comprises a bottom shell, a bottom heat insulation material, a bottom refractory material, a hot blast stove outer shell, a kiln bottom refractory material and an upper shell, wherein a flame inlet, a gas burner, a hot blast stove thermocouple, a steam inlet and a second activator inlet are formed in the hot blast stove body; the utility model discloses existing stirring effect possesses the effect of carrying the activator simultaneously, and where the rotatory to of water conservancy diversion stirring rake, where the activator just carried, the even distribution of water conservancy diversion stirring rake is in the bed of material, and the activation bed of material that two meters are thick stirs from inside to outside simultaneously, is heated simultaneously, contacts the activator simultaneously, and the activation is even, and active carbon specific surface area is big, shortens activation time, and the unit productivity is big.

Description

Uniform internal heat stirring type activation kiln

Technical Field

The utility model relates to an active carbon technical field especially relates to an even internal heat stirring formula activation kiln.

Background

The existing activated carbon production equipment in the current market has equipment of a physical method and a chemical method, and the equipment of the physical method has the following steps: firstly, the Szepu activation kiln has good product quality, an iodine value of 1050 and a yield of 4 tons within 24 hours, but each kiln needs more than 400 ten thousand of large investment, the furnace is difficult to start and stop, the cost is high, and the requirements on the volatile components of carbonized materials are strict; secondly, the quality of the produced product is poor, and the actual iodine value is about 700-; the harrow furnace has less investment and good product quality, but the production capacity is low and 200 kilograms in 5 hours, and only one ton can be produced even if the mechanical harrow is used for 24 hours, so the energy consumption is high, and the manual labor intensity is high; high energy consumption of the rotary kiln, large investment and many faults. Aiming at the defects of the equipment, the utility model provides a novel uniform internal heat stirring type activation kiln for producing activated carbon.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an even internal heat stirring type activation kiln.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a uniform internal thermal stirring type activation kiln comprises a kiln main body, a feeding mechanism, a flow guiding stirring mechanism, a water sealing mechanism, a discharging mechanism and a hot blast stove, wherein the feeding mechanism is arranged on the side wall of the kiln main body;

the bottom of the kiln main body is provided with four supporting legs, the kiln main body mainly comprises an upper kiln cover and a lower kiln body, the lower kiln body mainly comprises a hot blast stove body, a hot blast stove shell and a lower kiln body shell fixedly connected with the hot blast stove body, the flow guide stirring mechanism is connected in the lower kiln body shell, and the upper kiln cover mainly comprises an upper cover refractory material, an upper cover plate, an upper slideway, a positioning ring, a ratchet wheel, a pawl and a steam box body;

the hot blast stove comprises a bottom shell, a bottom heat insulation material, a bottom refractory material, a hot blast stove outer shell, a kiln bottom refractory material and an upper shell, wherein a flame inlet, a gas burner, a hot blast stove thermocouple, a steam inlet and a second activator inlet are formed in the hot blast stove body;

the steam box body comprises upper cover side ring board, steam box water seal tank overcoat, steam box water seal tank endotheca, steam box water seal tank baffle and steam box lid, the welding has three hot-blast furnace steam pipe on the steam box lid, be equipped with the steam chamber on the steam box body, this internal annular cooling water inlet and the steam header steam outlet of still being equipped with of steam box, the steam box lid is equipped with steam box steam outlet, be connected with the hot-blast furnace steam pipe on the steam box steam outlet, be equipped with steam inlet on the hot-blast furnace steam pipe.

Preferably, liquid is arranged in the steam box body, the ratchet wheel and the upper cover plate are integrally formed, an upper slide way is welded at the lower part of the upper cover plate and is connected to a lower slide way in a sliding manner, a positioning ring is further arranged at the bottom of the ratchet wheel, and the pawl is matched with the ratchet wheel;

the welding has lock ring and a plurality of brace rod on the glide slope, the welding has the rotation water seal groove bottom plate in the upper end of lock ring and a plurality of brace rod, the welding has the triangle muscle in the bottom of rotating water seal groove bottom plate, the bottom of glide slope still is equipped with the water seal groove body, the water seal groove body comprises rotation water seal groove baffle, rotation water seal groove overcoat and rotation water seal groove bottom plate.

Preferably, the kiln lower part of the body comprises kiln bottom refractory material, lower part of the body shell, kiln lower part of the body insulation material and kiln lower part of the body refractory material, be equipped with lower part thermocouple and upper portion thermocouple on the kiln lower part of the body, still be equipped with raw materials entry, hot-blast outlet on the kiln lower part of the body

Preferably, the flow guide stirring mechanism mainly comprises a header outer shell, a header inner shell, a lifting header, a main shaft inner sleeve, a main shaft outer sleeve and a main shaft water jacket, wherein a plurality of connecting plates are arranged on the main shaft inner sleeve and the main shaft outer sleeve, a sealed lower bottom plate is welded at the bottom of the main shaft inner sleeve, and a lower conical bottom is welded at the bottom of the main shaft outer sleeve in a sealing manner to form the annular main shaft water jacket;

the welding of upper middle portion has the gasification agent closure plate in the main shaft endotheca, the welding of the well lower part of main shaft endotheca and main shaft overcoat has the stirring rake subassembly, the stirring rake subassembly includes first layer stirring rake, second floor stirring rake, third layer stirring rake, fourth floor stirring rake, fifth layer stirring rake and sixth layer stirring rake, and all is equipped with the activator guiding gutter on it, the sectional area of the activator guiding gutter on first layer stirring rake, second floor stirring rake, the third layer stirring rake is greater than the sectional area of activator guiding gutter on fourth layer stirring rake, fifth layer stirring rake and the sixth layer stirring rake.

Preferably, the main shaft outer sleeve is further provided with a cooling water channel inlet, the main shaft inner sleeve and the main shaft outer sleeve are further penetratingly welded with a first activating agent inlet, the ascending header is provided with a cooling water channel outlet, and the stirring paddle assembly is connected between the cooling water channel inlet and the cooling water channel outlet.

Preferably, a striker plate is welded on the stirring paddle component and is made of high-temperature-resistant materials, the striker plate is welded on the side face of the stirring paddle component, and the two ends of the striker plate are not inserted into the ascending header and the spindle sleeve;

preferably, the ascending header is provided with a ventilation pipe which is welded with the header outer shell and the header inner shell in a penetrating way, and the ventilation pipe corresponds to the tail end of the activator diversion trench; supporting water pipes are welded between adjacent ascending headers and communicated with the ascending headers, and header bottom plates are arranged at the bottoms of the ascending headers;

preferably, one end of the main shaft water jacket inserted into the hot blast stove body is provided with three uniformly distributed second activator inlets, a water tank pipe is arranged on the lower conical bottom, the water tank pipe is connected with the lower conical bottom through a rotary joint, a drain pipe is arranged on the water tank pipe, and one end of the water tank pipe, far away from the lower conical bottom, is connected with the water tank body;

the spindle water jacket is characterized in that a spindle lower limiting sliding sleeve is arranged on the lower portion of the spindle water jacket, a bottom water seal groove is formed in the bottoms of the spindle lower limiting sliding sleeve and the spindle outer sleeve, and the bottom water seal groove is composed of a water seal outer sleeve, a water seal partition plate, a water seal bottom plate and a water seal inner sleeve.

Preferably, the feeding mechanism comprises a raw material inlet, a screw feeder and a feeding box, and a gravity seal valve is installed on the discharge end face of the screw feeder.

Preferably, discharge mechanism is including welding scraping flitch, discharge gate, feed bin and the spiral discharge machine in main shaft overcoat lower part, the cloth of cutting off of spiral discharge machine is equipped with discharge machine gravity valve.

Compared with the prior art, the utility model provides an even internal heat stirring formula activation kiln possesses following beneficial effect:

1. the uniform internal heat stirring type activation kiln mainly comprises a feeding mechanism, a kiln main body, a flow guide stirring mechanism, a water sealing mechanism, a discharging mechanism and a hot blast stove, wherein when the uniform internal heat stirring type activation kiln is used, firstly, carbonized materials with the granularity of 0.5-10 mm or raw materials soaked by medicaments are input into a feeding box by a screw feeder, a discharging port of the screw feeder is inserted into the feeding box and is sealed and welded, a gravity sealing valve is arranged on the discharging end surface of the screw feeder, when the screw feeder feeds, the gravity sealing valve is automatically pushed open by the raw materials, and when the screw feeder stops feeding, the gravity sealing valve falls down by self weight to seal the outlet of the screw feeder; the kiln lower body is provided with a raw material inlet and a hot air outlet, one part of the hot air outlet is used for recycling the hot air furnace body, the other part of the hot air outlet is connected with an external waste heat boiler of the system for recycling, the upper cover of the kiln is composed of an upper cover refractory material, an upper cover plate, a ratchet wheel, an upper slideway and a positioning ring, the ratchet wheel and the upper cover plate are integrated, the upper slideway is welded on the lower part of the outer edge of the upper cover plate, the upper slideway falls on the lower slideway in a sliding fit mode, is limited by the positioning ring, the ratchet wheel is pulled by a pawl to rotate, the lower slideway is welded on a support ring and a plurality of support ribs, the lower ends of the support ring and the plurality of support ribs are welded on a rotating water seal tank bottom plate, triangular ribs are welded on the lower edge of the rotating water seal tank.

2. The uniform internal heat stirring type activation kiln comprises a main shaft inner sleeve and a main shaft outer sleeve, wherein the upper part of the guide stirring mechanism is provided with a plurality of connecting plates, the lower part of the guide stirring mechanism is welded and sealed by a lower bottom plate, the main shaft outer sleeve is welded and sealed by a lower conical bottom to form an annular main shaft water jacket, six layers of guide stirring paddles are welded and welded on the middle lower part of the main shaft and are arranged from bottom to top, a guide stirring paddle is uniformly distributed on each layer of plane, the plane included angle between the upper layer stirring paddle and the lower layer stirring paddle, the sectional area of a guide groove of the six layers of guide stirring paddles is divided into two sizes, the sectional area of a first layer guide stirring paddle, a second layer guide stirring paddle and a third layer guide stirring paddle are arranged, the sectional area of the guide groove of an activating agent is large, the sectional area of a fourth layer guide stirring paddle, a fifth layer guide stirring paddle and a sixth layer guide, the cooling water channel outlet is communicated with an inner shell of the ascending collecting box, the guide stirring paddle inclines upwards from the main shaft to the ascending collecting box, the guide stirring paddle is welded with a baffle plate which is made of high-temperature resistant materials, the baffle plate is welded on the side surface of the guide stirring paddle, two ends of the baffle plate are not inserted into the ascending collecting box and the main shaft outer shell, the ascending collecting box is formed by welding an outer shell of the collecting box, an inner shell of the collecting box and a bottom plate of the collecting box, the inner shell of the collecting box is provided with an inclined surface along the rotating direction, the ascending collecting box is provided with a ventilation pipe which is welded with the outer shell of the collecting box and the inner shell of the collecting box in a penetrating way, the inlet of the ventilation pipe corresponds to the tail end of the activator diversion trench, a supporting water pipe is welded between the adjacent ascending collecting boxes, the inner cavity of the supporting water pipe is communicated with the inner cavity of the adjacent, the main shaft water jacket penetrates through the narrow part of the hot blast stove body, three second activating agent inlets are uniformly distributed in the hot blast stove, and a rotating gap between the main shaft lower limiting sliding sleeve and the bottom of the main shaft outer jacket is sealed by a bottom water seal groove;

the stirring operation flow of the activation kiln comprises the following steps: the pawl drives the ratchet wheel to rotate, the ratchet wheel, the upper cover plate, the main shaft water jacket, the ascending collection box and the six layers of diversion stirring paddles are welded into a whole to rotate together, and the six layers of diversion stirring paddles realize stirring of the activated material in the inner cavity of the kiln; the cooling water flow of the activation kiln comprises the following steps: water in the steam box enters a main shaft water jacket from an annular cooling water inlet, enters cooling water channel inlets of six layers of diversion stirring paddles respectively, enters an ascending header through a diversion stirring paddle cooling water channel, a heated steam-water copolymer enters a steam chamber from a header steam outlet of the ascending header, and steam is input into a hot blast stove through a steam pipe of the hot blast stove to be used as an activating agent; the activating agent flow of the activation kiln comprises the following steps: heating water vapor from a steam inlet to a temperature higher than that of the flame burnt by external coal gas through a coal gas burner, allowing the water vapor to enter an inner cavity of a main shaft inner sleeve, intercepting by a gasifying agent blocking plate, allowing an activator to enter an activator flow guide groove from a first activator inlet and distribute into an activated material, allowing the distal end of the activator flow guide groove to correspond to the opening of a vent pipe, and conveying the activator to the activated material on the inner edge of the kiln so as to be uniformly activated; the discharging mechanism rotates together with a scraping plate welded on the lower part of the spindle jacket, scrapes activated materials after activation into a discharging port, falls into a storage bin, and then pushes the gravity valve of the discharging machine to output the activated materials through the materials of the spiral discharging machine.

3. The uniform internal heat stirring type activation kiln has the following control of the activation temperature in the activation kiln: when the activated carbon is produced by a physical method, the temperature of the inner cavity of the kiln body is controlled between the centigrade degree and the temperature, when the activated carbon is produced by a chemical method, the temperature of the inner cavity of the kiln body is controlled between the centigrade degree and the temperature, when the activated carbon is produced by the chemical method, all components in the activation kiln are made of corrosion-resistant and high-temperature resistant steel, and water cooling is not adopted; the chemical method of the activation kiln comprises the following steps: all parts in the inner cavity of the kiln body are made of acid-alkali-corrosion-resistant high-temperature-resistant steel materials, and the main shaft, the diversion stirring paddle and the ascending header are removed from a cooling water channel without a water cooling system due to the fact that the activation temperature is in the range of centigrade to medium temperature, the structure is unchanged, and the single-layer structure is changed.

4. This even internal heat stirring formula activation kiln, the utility model discloses the structure science can be in the kiln raw materials volume, through multilayer water conservancy diversion stirring rake, evenly carry the activator on the raw materials in the stirring, the raw materials obtains even activation, and the product quality is high, has shortened activation time again, improves unit time output, the utility model discloses an unique water-cooling stirring structure, solved the operational environment that high temperature heat-resistant steel also can not adapt to, provide self required vapor activating agent in the water-cooling, need not drop into in addition and produce steam equipment, under the unit productivity hourly production ton active carbon condition. The utility model invests RMB ten thousand yuan, and the best existing Silepu furnace invests RMB ten thousand yuan, the Silepu furnace produces activated carbon iodine value, the utility model produces activated carbon iodine value, the structure is compact, the occupied area is small, the Silepu furnace volume is mxmxmxm, the utility model discloses mxmxmxmxm, the usage scope is wide, can be used for producing activated carbon by physical method, can also be used for producing activated carbon by chemical method, can be used for producing granular activated carbon, can also be used for producing powdery activated carbon, can also be used for regenerating activated carbon, the technical index of activated carbon can be adjusted at will, the environment is friendly, the production process has no three wastes leakage and discharge, the energy utilization efficiency is high, the heat water recovery for the heat dissipation of the main body of the kiln, the produced gas is recycled, the surplus gas is used for the waste heat boiler, the kiln start cost is low, the utility model has low cost, the intellectualization is completely realized, it is suitable for calcining and roasting non-metal mineral products.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses existing stirring effect possesses the effect of carrying the activator simultaneously, and where the water conservancy diversion stirring rake is rotatory, and where the activator just carries, and the even distribution of water conservancy diversion stirring rake is in the bed of material, and the activation bed of material that two meters are thick stirs from inside to outside simultaneously, is heated simultaneously, contacts the activator simultaneously, and the activation is even, and active carbon specific surface is big, shortens the activation time, and the unit productivity is big.

Drawings

FIG. 1 is a schematic front cross-sectional view of an overall view of an activation kiln;

FIG. 2 is a schematic top cross-sectional view of an overall view of the activation kiln;

FIG. 3 is a schematic view of a support water connection;

FIG. 4 is an enlarged schematic view of a rotary water seal structure of the activation kiln;

FIG. 5 is a schematic top view of an activation kiln scraper plate arrangement;

FIG. 6 is a schematic view of a partially enlarged cross-sectional view of a lower limiting sliding sleeve and a water seal groove of a spindle;

FIG. 7 is an enlarged view of a guide stirring paddle;

FIG. 8 is a front view of a cross-sectional enlarged view of a diversion stirring paddle;

FIG. 9 is an enlarged cross-sectional end view of an activator inlet of a diversion stirring paddle;

FIG. 10 is an enlarged schematic cross-sectional end view of an activator guiding groove of a guiding stirring paddle, a striker plate and a cooling water flow passage;

FIG. 11 is an enlarged schematic view of the end face of the scraper plate;

fig. 12 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a first activator inlet; 2. a cooling water passage inlet; 3. an activator diversion trench; 4. an outlet of the cooling water passage; 5. a bottom case; 6. furnace bottom heat preservation material; 7. furnace bottom refractory material; 8. a hot blast stove body; 9. a hot blast stove outer shell; 10. a flame inlet; 11. a gas burner; 12. thermocouple of hot blast stove; 13. kiln bottom refractory material; 14. a steam inlet; 15. an upper shell; 16. a scraping plate; 17. a lower thermocouple; 18. a header floor; 19. a first layer of stirring paddles; 20. a lower body housing; 21. a kiln lower body heat insulation material; 22. refractory material of the lower kiln body; 23. a vent pipe; 24. a third layer of stirring paddle; 25. a fifth layer of stirring paddles; 26. a header housing; 27. an inner header shell; 28. raising the header; 29. an upper thermocouple; 30. a raw material inlet; 31. a screw feeder; 32. a gravity valve; 33. a feed box; 34. an upper cover side ring plate; 35. the steam box water seal tank is sleeved; 36. the steam box water seal tank is sleeved with a sleeve; 37. a steam box water seal tank clapboard; 38. a steam box cover; 39. a steam pipe of the hot blast stove; 40. a header steam outlet; 41. an upper cover refractory material; 42. an upper cover plate; 43. a steam outlet of the steam box; 44. a gasifying agent blocking plate; 45. a connecting plate; 46. a main shaft inner sleeve; 47. a spindle jacket; 48. an annular cooling water inlet; 49. a liquid; 50. a steam chamber; 51. a support ring; 52. a lower slideway; 53. an upper slideway; 54. positioning rings; 55. a ratchet wheel; 56. a pawl; 57. a water tank body; 58. rotating the water seal tank outer sleeve; 59. rotating the water seal tank partition plate; 60. supporting ribs; 61. rotating the bottom plate of the water seal tank; 62. triangular ribs; 63. a hot air outlet; 64. a sixth layer of stirring paddles; 65. a fourth layer of stirring paddles; 66. a second layer of stirring paddles; 67. a discharge port; 68. a storage bin; 69. a spiral discharging machine; 70. a gravity valve of the discharging machine; 71. a support leg; 72. a main shaft lower part limiting sliding sleeve; 73. a water seal outer sleeve; 74. a water seal partition plate; 75. a water seal bottom plate; 76. water sealing the inner sleeve; 77. a lower base plate; 78. a lower cone bottom; 79. a rotary joint; 80. a water tank pipe; 81. a blow-off pipe; 82. a second activator inlet; 83. supporting the water pipe; 84. a striker plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-12, a uniform internal thermal stirring type activation kiln comprises a kiln main body, a feeding mechanism, a flow guiding stirring mechanism, a water sealing mechanism, a discharging mechanism and a hot blast stove, wherein the feeding mechanism is arranged on the side wall of the kiln main body;

the bottom of the kiln main body is provided with four supporting legs 71, the kiln main body mainly comprises an upper kiln cover and a lower kiln body, the lower kiln body mainly comprises a hot blast stove body 8, a hot blast stove shell 9 and a lower kiln body shell 20 fixedly connected with the hot blast stove body and the hot blast stove shell, a flow guide stirring mechanism is connected in the lower kiln body shell 20, and the upper kiln cover mainly comprises an upper cover refractory material 41, an upper cover plate 42, an upper slideway 53, a positioning ring 54, a ratchet wheel 55, a pawl 56 and a steam box body;

the hot blast stove comprises a bottom shell 5, a bottom heat insulation material 6, a bottom refractory material 7, a hot blast stove outer shell 9, a kiln bottom refractory material 13 and an upper shell 15, wherein a flame inlet 10, a gas burner 11, a hot blast stove thermocouple 12, a steam inlet 14 and a second activator inlet 82 are arranged on a hot blast stove body 8;

the steam box body comprises upper cover side ring plate 34, steam box water seal tank overcoat 35, steam box water seal tank endotheca 36, steam box water seal tank baffle 37 and steam box lid 38, the welding has three hot-blast furnace steam pipe 39 on the steam box lid 38, be equipped with steam chamber 50 on the steam box body, this internal annular cooling water inlet 48 and the header steam outlet 40 that still are equipped with of steam box, steam box lid 38 is equipped with steam box steam outlet 43, be connected with hot-blast furnace steam pipe 39 on the steam box steam outlet 43, be equipped with steam inlet 14 on the hot-blast furnace steam pipe 39.

The steam box body is internally provided with liquid 49, a ratchet wheel 55 and an upper cover plate 42 are integrally formed, the lower part of the upper cover plate 42 is welded with an upper slideway 53, the upper slideway 53 is connected on a lower slideway 52 in a sliding way, the bottom of the ratchet wheel 55 is also provided with a positioning ring 54, and a pawl 56 is matched with the ratchet wheel 55;

the lower slideway 52 is welded with a support ring 51 and a plurality of support ribs 60, the upper ends of the support ring 51 and the plurality of support ribs 60 are welded with a rotary water seal tank bottom plate 61, the bottom of the rotary water seal tank bottom plate 61 is welded with a triangular rib 62, the bottom of the lower slideway 52 is also provided with a water seal tank body, and the water seal tank body is composed of a rotary water seal tank partition plate 59, a rotary water seal tank outer sleeve 58 and a rotary water seal tank bottom plate 61.

The lower kiln body consists of a kiln bottom refractory material 13, a lower kiln body outer shell 20, a lower kiln body heat insulation material 21 and a lower kiln body refractory material 22, a lower thermocouple 17 and an upper thermocouple 29 are arranged on the lower kiln body, and a raw material inlet 30 and a hot air outlet 63 are also arranged on the lower kiln body

The flow-guiding stirring mechanism mainly comprises a collecting box outer shell 26, a collecting box inner shell 27, an ascending collecting box 28, a main shaft inner sleeve 46, a main shaft outer sleeve 47 and a main shaft water jacket, wherein a plurality of connecting plates 45 are arranged on the main shaft inner sleeve 46 and the main shaft outer sleeve 47, a sealing lower bottom plate 77 is welded at the bottom of the main shaft inner sleeve 46, a lower conical bottom 78 is welded at the bottom of the main shaft outer sleeve 47 in a sealing manner, and an annular main shaft water jacket is formed;

the gasification agent blocking plate 44 is welded at the middle upper part in the main shaft inner sleeve 46, the stirring paddle components are welded at the middle lower parts of the main shaft inner sleeve 46 and the main shaft outer sleeve 47, each stirring paddle component comprises a first layer of stirring paddle 19, a second layer of stirring paddle 66, a third layer of stirring paddle 24, a fourth layer of stirring paddle 65, a fifth layer of stirring paddle 25 and a sixth layer of stirring paddle 64, and activator diversion trenches 3 are arranged on the first layer of stirring paddle 19, the second layer of stirring paddle 66 and the third layer of stirring paddle 24, and the sectional areas of the activator diversion trenches 3 on the first layer of stirring paddle 19, the second layer of stirring paddle 66 and the third layer of stirring paddle 24 are larger than the sectional areas of the activator diversion trenches 3 on the fourth layer of stirring.

The main shaft outer sleeve 47 is further provided with a cooling water channel inlet 2, the main shaft inner sleeve 46 and the main shaft outer sleeve 47 are further penetratingly welded with a first activator inlet 1, the ascending header 28 is provided with a cooling water channel outlet 4, and the stirring paddle assembly is connected between the cooling water channel inlet 2 and the cooling water channel outlet 4.

The stirring paddle component is welded with a baffle plate 84, the baffle plate 84 is made of high-temperature resistant materials, the baffle plate 84 is welded on the side surface of the stirring paddle component, and the two ends of the baffle plate 84 are not inserted into the ascending header 28 and the main shaft outer sleeve 47;

the ascending header 28 is provided with a vent pipe 23 which is welded with the header outer shell 26 and the header inner shell 27 in a penetrating way, and the vent pipe 23 corresponds to the tail end of the activator diversion trench 3; a support water pipe 83 is welded between adjacent ascending headers 28, the support water pipe 83 is communicated with the ascending headers 28, and the bottom of the ascending headers 28 is provided with a header bottom plate 18;

three second activator inlets 82 which are uniformly distributed are arranged at one end of the main shaft water jacket inserted into the hot blast stove body 8, a water tank pipe 80 is arranged on the lower conical bottom 78, the water tank pipe 80 is connected with the lower conical bottom 78 through a rotary joint 79, a sewage discharge pipe 81 is arranged on the water tank pipe 80, and one end of the water tank pipe 80, which is far away from the lower conical bottom 78, is connected with the water tank body 57;

the lower part of the main shaft water jacket is provided with a main shaft lower part limiting sliding sleeve 72, the bottoms of the main shaft lower part limiting sliding sleeve 72 and the main shaft outer sleeve 47 are provided with a bottom water seal groove, and the bottom water seal groove is composed of a water seal outer sleeve 73, a water seal partition plate 74, a water seal bottom plate 75 and a water seal inner sleeve 76.

The feeding mechanism comprises a raw material inlet 30, a screw feeder 31 and a feeding box 33, and a gravity seal valve 32 is installed on the discharge end face of the screw feeder 31.

The discharging mechanism comprises a scraping plate 16 welded on the lower part of the spindle sleeve 47, a discharging hole 67, a storage bin 68 and a spiral discharging machine 69, and a discharging machine gravity valve 70 is arranged on the broken cloth of the spiral discharging machine 69.

The utility model discloses in, mainly by feed mechanism, the kiln main part, water conservancy diversion rabbling mechanism, water seal mechanism, discharge mechanism, hot-blast furnace constitute, in use, at first with the carbonized material of 0.5mm-10mm granularity or the raw materials after the medicament soaks, input in feed box 33 by screw feeder 31, screw feeder 31 discharge gate inserts feed box 33 and seal welding, the gravity seal valve 32 is installed to the discharge end face of screw feeder 31, when screw feeder 31 feeds, by the automatic gravity seal valve 32 that backs up of raw materials, when screw feeder 31 stops the feed, gravity seal valve 32 closes screw feeder 31 export by falling under the dead weight, the kiln main part is supported on ground by four landing legs 71; the kiln lower body consists of a kiln bottom refractory material 13, a lower body shell 20, a lower body thermal insulation material 21 and a lower body refractory material 22, the kiln lower body is provided with a raw material inlet 30 and a hot air outlet 63, a part of high-temperature hot air of the hot air outlet 63 is used for recycling of the hot air furnace body 8, the other redundant part is connected with an external waste heat boiler of the system for recycling, the kiln upper cover consists of an upper cover refractory material 41, an upper cover plate 42, a ratchet wheel 55, an upper slideway 53, a positioning ring 54 and the like, the ratchet wheel 55 and the upper cover plate 42 are integrated, the upper slideway 53 is welded on the lower part of the outer edge of the upper cover plate 42, the upper slideway 53 falls on the lower slideway 52 for sliding fit and is limited by the positioning ring 54, the ratchet wheel 55 is pulled by a pawl 56 to rotate, the lower slideway 52 is welded on a support ring 51 and a plurality of support ribs 60, the lower ends of the support ring 51 and the plurality of support ribs 60, the support ring 51, the rotary water seal groove partition plate 59, the rotary water seal groove outer sleeve 58 and the rotary water seal groove bottom plate 61 form a water seal groove, and the gap between the upper slide way 53 and the lower slide way 52 is sealed.

The diversion stirring mechanism comprises a main shaft inner sleeve 46 and a main shaft outer sleeve 47, the upper part of the diversion stirring mechanism is provided with a plurality of connecting plates 45, the lower part of the main shaft inner sleeve 46 is welded and sealed by a lower bottom plate 77, the main shaft outer sleeve 47 is welded and sealed by a lower conical bottom 78 to form an annular main shaft water jacket, six layers of diversion stirring paddles are welded at the middle lower part of the main shaft and are arranged from bottom to top, 4 diversion stirring paddles are uniformly distributed on each layer of plane, the included angle of the planes between the upper layer stirring paddle and the lower layer stirring paddle is 45 degrees, the sectional areas of the six layers of diversion stirring paddle activator diversion guiding grooves 3 are divided into two sizes, a first layer of diversion stirring paddle 19, a second layer of diversion stirring paddle 66 and a third layer of diversion stirring paddle 24, the sectional area of the activator guiding groove 3 is large, a fourth layer of diversion stirring paddle 65, a fifth layer of diversion stirring paddle 25 and a sixth layer, the inlet 1 of the first activator of the diversion stirring paddle is communicated and welded with the outer sleeve 47 of the main shaft and the inner sleeve 46 of the main shaft, is isolated from a water jacket of the main shaft and is communicated with the inner cavity of the inner sleeve 46 of the main shaft, the outlet 4 of a cooling water channel is communicated and welded with the inner shell of the ascending collection box 28, the diversion stirring paddle inclines upwards for 7-30 degrees from the main shaft to the ascending collection box 28, the diversion stirring paddle is welded with a baffle plate 84, the baffle plate 84 is made of high-temperature resistant materials, the baffle plate 84 is welded on the side surface of the diversion stirring paddle, the two ends of the baffle plate are not inserted into the ascending collection box 28 and the outer sleeve 47 of the main shaft, the ascending collection box 28 is formed by welding an outer collection box shell 26, an inner collection box shell 27 and a collection box bottom plate 18, the collection box inner shell 27 is provided with an inclined surface along the rotating direction, the ascending collection box 28 is provided with, the inner cavity of the supporting water pipe 83 is communicated with the inner cavity of the adjacent ascending header 28, the supporting water pipe 83 is inclined at an angle of 7-30 degrees, the vent pipe 23 is inclined downwards at an angle of 30-45 degrees from inside to outside and penetrates through the narrow part of the hot blast stove body 8, the spindle water jacket is inserted into the hot blast stove and is internally provided with three second activator inlets 82 uniformly distributed, and a rotating gap is formed between the lower limiting sliding sleeve 72 of the spindle and the bottom of the spindle jacket 47 and is sealed by a bottom water seal groove;

the stirring operation flow of the activation kiln comprises the following steps: the ratchet wheel 55 is driven by the pawl 56 to rotate, the ratchet wheel 55, the upper cover plate 42, the spindle water jacket, the ascending collection box 28 and the six layers of diversion stirring paddles are welded into a whole to rotate together, and the six layers of diversion stirring paddles realize stirring of the activated material in the inner cavity of the kiln; the cooling water flow of the activation kiln comprises the following steps: water in the steam box enters a main shaft water jacket from an annular cooling water inlet 48, enters a cooling water channel inlet 2 of a six-layer flow-guiding stirring paddle respectively, enters an ascending collection box 28 through a cooling water channel of the flow-guiding stirring paddle, heated steam-water copolymer enters a steam chamber 50 from a collection box steam outlet 40 of the ascending collection box 28, and steam is input into the hot-blast stove through a steam pipe 39 of the hot-blast stove to be used as an activating agent; the activating agent flow of the activation kiln comprises the following steps: heating water vapor from a steam inlet 14 to above 850 ℃ by flame of external coal gas burning through a coal gas burner 11, allowing the water vapor to enter an inner cavity of a main shaft inner sleeve 46, intercepting the water vapor by a gasifying agent blocking plate 44, allowing an activator to enter an activator flow guide groove 3 from a first activator inlet 1 and distribute into an activator, allowing the far end of the activator flow guide groove 3 to correspond to the opening of a vent pipe 23, and conveying the activator to the activator at the edge of the kiln so as to uniformly activate the activator; the discharging mechanism rotates together with the scraping plate 16 welded on the lower part of the spindle jacket 47, scrapes the activated material after activation into the discharging port 67, and then falls into the storage bin 68, and the material of the spiral discharging machine 69 pushes the gravity valve 70 of the discharging machine to output the activated material.

The activation temperature in the activation kiln is controlled as follows: when the activated carbon is produced by a physical method, the temperature of the inner cavity of the kiln body is controlled to be 850-950 ℃, when the activated carbon is produced by a chemical method, the temperature of the inner cavity of the kiln body is controlled to be 450-500 ℃, and when the activated carbon is produced by the chemical method, all components in the activation kiln are made of corrosion-resistant and high-temperature resistant steel instead of water cooling; the chemical method of the activation kiln comprises the following steps: all parts in the inner cavity of the kiln body are made of acid-alkali corrosion resistant high temperature steel materials, and the main shaft, the diversion stirring paddle and the ascending header are removed from a cooling water channel without a water cooling system due to the medium temperature of the activation temperature of 450 ℃ plus 500 ℃, so that the structure is unchanged and the single-layer structure is changed.

The utility model discloses the structure science can be in the kiln raw materials volume, through multilayer water conservancy diversion stirring rake, evenly carry the raw materials to the activator in the stirring on, the raw materials obtains even activation, the product quality is high, the activation time has been shortened again, the output of improvement unit interval, the utility model discloses an unique water-cooling stirring structure, the operational environment who has solved high temperature heat-resistant steel and also can not adapt to has provided self required vapor activator in the water-cooling, need not drop into in addition and produce steam equipment, under the 6 tons of active carbon circumstances of unit productivity 24 hours production. The utility model invests RMB 40 ten thousand yuan, and the best existing Silepu furnace invests RMB 400 ten thousand yuan, the Silepu furnace produces activated carbon iodine value 1050, the utility model produces activated carbon iodine value 1600, compact structure, small floor space, the Silepu furnace volume 8m x 6m x 9m, the utility model discloses 3m x 4m, the range of use is wide, can be used for producing activated carbon by physical method, also can be used for producing activated carbon by chemical method, can be used for producing granular activated carbon, also can be used for producing powdered activated carbon, can also be used for activated carbon regeneration, the technical index of activated carbon can be adjusted wantonly, the environment is friendly, the production process has no three wastes leakage, discharge, the energy utilization efficiency is high, hot water recovery is used for the heat dissipation of the kiln main body, the produced gas self-recycling, the surplus gas is used for waste heat boiler, the start-up cost is low, the utility model has low cost, the method completely realizes intellectualization and is suitable for calcining and roasting the nonmetallic mineral products.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A uniform internal thermal stirring type activation kiln is characterized by comprising a kiln main body, a feeding mechanism, a flow guiding stirring mechanism, a water sealing mechanism, a discharging mechanism and a hot blast stove, wherein the feeding mechanism is arranged on the side wall of the kiln main body;

the bottom of the kiln main body is provided with four supporting legs (71), the kiln main body mainly comprises an upper kiln cover and a lower kiln body, the lower kiln body mainly comprises a hot blast stove body (8), a hot blast stove shell (9) and a lower body shell (20) fixedly connected with the hot blast stove shell, the flow guide stirring mechanism is connected in the lower body shell (20), and the upper kiln cover mainly comprises an upper cover refractory material (41), an upper cover plate (42), an upper slideway (53), a positioning ring (54), a ratchet wheel (55), a pawl (56) and a steam box body;

the hot blast stove comprises a bottom shell (5), a stove bottom heat insulation material (6), a stove bottom refractory material (7), a hot blast stove outer shell (9), a kiln bottom refractory material (13) and an upper shell (15), wherein a flame inlet (10), a gas burner (11), a hot blast stove thermocouple (12), a steam inlet (14) and a second activator inlet (82) are arranged on a hot blast stove body (8);

the steam box body comprises upper cover side ring board (34), steam box water seal tank overcoat (35), steam box water seal tank endotheca (36), steam box water seal tank baffle (37) and steam box lid (38), the welding has three hot-blast furnace steam pipe (39) on steam box lid (38), be equipped with steam chamber (50) on the steam box body, this internal annular cooling water inlet (48) and header steam outlet (40) that still are equipped with of steam box, steam box lid (38) are equipped with steam box steam outlet (43), be connected with hot-blast furnace steam pipe (39) on steam box steam outlet (43), be equipped with steam inlet (14) on hot-blast furnace steam pipe (39).

2. The uniform internal heat stirring type activation kiln according to claim 1, wherein the steam box body is internally provided with liquid (49), the ratchet wheel (55) and the upper cover plate (42) are integrally formed, the lower part of the upper cover plate (42) is welded with an upper slideway (53), the upper slideway (53) is connected on the lower slideway (52) in a sliding manner, the bottom of the ratchet wheel (55) is further provided with a positioning ring (54), and the pawl (56) is matched with the ratchet wheel (55);

the welding has lock ring (51) and a plurality of brace rod (60) on glide slope (52), the upper end welding of lock ring (51) and a plurality of brace rod (60) has rotation water seal groove bottom plate (61), the bottom welding of rotating water seal groove bottom plate (61) has triangle muscle (62), the bottom of glide slope (52) still is equipped with the water seal groove body, the water seal groove body comprises rotation water seal groove baffle (59), rotation water seal groove overcoat (58) and rotation water seal groove bottom plate (61).

3. The uniform internal heat stirring type activation kiln as claimed in claim 1, wherein the lower kiln body is composed of a kiln bottom refractory (13), a lower kiln body outer shell (20), a lower kiln body heat insulation material (21) and a lower kiln body refractory (22), the lower kiln body is provided with a lower thermocouple (17) and an upper thermocouple (29), and the lower kiln body is also provided with a raw material inlet (30) and a hot air outlet (63).

4. The uniform internal heat stirring type activation kiln as claimed in claim 1, wherein the flow guiding stirring mechanism mainly comprises a header outer shell (26), a header inner shell (27), an ascending header (28), a main shaft inner sleeve (46), a main shaft outer sleeve (47) and a main shaft water jacket, a plurality of connecting plates (45) are arranged on the main shaft inner sleeve (46) and the main shaft outer sleeve (47), a sealing lower bottom plate (77) is welded at the bottom of the main shaft inner sleeve (46), and a lower conical bottom (78) is welded at the bottom of the main shaft outer sleeve (47) in a sealing manner to form an annular main shaft water jacket;

the welding of upper middle portion has gasification agent closure plate (44) in main shaft endotheca (46), the welding of the well lower part of main shaft endotheca (46) and main shaft overcoat (47) has the stirring rake subassembly, the stirring rake subassembly includes first layer stirring rake (19), second floor stirring rake (66), third layer stirring rake (24), fourth layer stirring rake (65), fifth layer stirring rake (25) and sixth layer stirring rake (64), and all is equipped with activator guiding gutter (3) on, the sectional area of activator guiding gutter (3) on first layer stirring rake (19), second floor stirring rake (66), third layer stirring rake (24) is greater than the sectional area of activator guiding gutter (3) on fourth layer stirring rake (65), fifth layer stirring rake (25) and sixth layer stirring rake (64).

5. The uniform internal heat stirring type activation kiln according to claim 4, wherein the main shaft outer sleeve (47) is further provided with a cooling water channel inlet (2), the main shaft inner sleeve (46) and the main shaft outer sleeve (47) are further welded with a first activator inlet (1) in a penetrating manner, the ascending header tank (28) is provided with a cooling water channel outlet (4), and the stirring paddle assembly is connected between the cooling water channel inlet (2) and the cooling water channel outlet (4).

6. The uniform internal heat stirring type activation kiln as recited in claim 5, wherein the stirring paddle component is welded with a material baffle plate (84), the material baffle plate (84) is made of high temperature resistant material, the material baffle plate (84) is welded on the side surface of the stirring paddle component, and the two ends of the material baffle plate are not inserted into the ascending header (28) and the spindle outer sleeve (47).

7. The uniform internal heat stirring type activation kiln according to claim 6, wherein the ascending header (28) is provided with a ventilation pipe (23) which is welded with the header outer shell (26) and the header inner shell (27) in a penetrating way, and the ventilation pipe (23) corresponds to the tail end of the activator guiding gutter (3); the water-collecting type solar water heater is characterized in that a supporting water pipe (83) is welded between the adjacent ascending collecting boxes (28), the supporting water pipe (83) is communicated with the ascending collecting boxes (28), and collecting box bottom plates (18) are arranged at the bottoms of the ascending collecting boxes (28).

8. The uniform internal heat stirring type activation kiln according to claim 7, wherein one end of the main shaft water jacket inserted into the hot blast stove body (8) is provided with three uniformly distributed second activator inlets (82), the lower conical bottom (78) is provided with a water tank pipe (80), the water tank pipe (80) is connected with the lower conical bottom (78) through a rotary joint (79), the water tank pipe (80) is provided with a drain pipe (81), and one end of the water tank pipe (80) far away from the lower conical bottom (78) is connected with the water tank body (57);

the spindle water jacket is characterized in that a spindle lower limiting sliding sleeve (72) is arranged on the lower portion of the spindle water jacket, a bottom water seal groove is formed in the bottoms of the spindle lower limiting sliding sleeve (72) and the spindle outer sleeve (47), and the bottom water seal groove is composed of a water seal outer sleeve (73), a water seal partition plate (74), a water seal bottom plate (75) and a water seal inner sleeve (76).

9. The homogeneous internal heat stirring type activation kiln according to claim 1, wherein the feeding mechanism comprises a raw material inlet (30), a screw feeder (31) and a feeding box (33), and a gravity seal valve (32) is installed on the discharge end surface of the screw feeder (31).

10. The uniform internal heat stirring type activation kiln according to claim 1, wherein the discharging mechanism comprises a scraping plate (16), a discharging port (67), a storage bin (68) and a spiral discharging machine (69) which are welded at the lower part of the spindle outer sleeve (47), and a discharging machine gravity valve (70) is arranged on the spiral discharging machine (69) in a broken manner.

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