CN210595282U - Environment-friendly energy-saving efficient production active carbon down-draft kiln - Google Patents

Environment-friendly energy-saving efficient production active carbon down-draft kiln Download PDF

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Publication number
CN210595282U
CN210595282U CN201921586653.7U CN201921586653U CN210595282U CN 210595282 U CN210595282 U CN 210595282U CN 201921586653 U CN201921586653 U CN 201921586653U CN 210595282 U CN210595282 U CN 210595282U
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CN
China
Prior art keywords
kiln
steel
waste heat
thermocouple
heating
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Expired - Fee Related
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CN201921586653.7U
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Chinese (zh)
Inventor
连伟才
张子华
边宇
张现中
刘红伟
王彩玲
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连伟才
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Priority to CN201921586653.7U priority Critical patent/CN210595282U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Abstract

The environment-friendly energy-saving efficient activated carbon down-draft kiln comprises a kiln heating area and a kiln waste heat area, wherein a kiln base is arranged below the kiln heating area, the kiln waste heat area is arranged above the kiln heating area, a kiln body upper cover is arranged at the top of the kiln waste heat area, a feed inlet and a kiln smoke outlet are formed in the kiln body upper cover, a kiln base flat plate is arranged at the bottom of the kiln heating area, three rows of steel material barrels are arranged in the kiln heating area, five steel material barrels are arranged in each row, the lower part of each steel material barrel is fixed on the kiln base flat plate, a discharge hopper is arranged at the bottom of each steel material barrel, the top of each steel material barrel is connected with the smoke outlet pipe of the waste heat area, and a burner is arranged on the kiln; the upper and lower temperatures in the kiln of the utility model are relatively uniform, the horizontal temperatures are consistent, the upper and lower temperature difference is small, and high-quality products can be burned; and moreover, a method of simultaneously carrying out external heating and internal heating is adopted, so that the sintering time is shortened, the yield is improved, the energy consumption is reduced, and the labor intensity is reduced.

Description

Environment-friendly energy-saving efficient production active carbon down-draft kiln
Technical Field
The utility model relates to a kiln technical field of burning system active carbon especially relates to an environmental protection and energy saving high efficiency production active carbon down-draft kiln.
Background
The current firing mode of the active carbon adopts coal firing, gas firing and electric firing. Moreover, the mode of burning the active carbon by coal seriously pollutes the environment and does not meet the requirement of environmental protection; the use of gas-fired natural gas and liquefied gas activated carbon has the disadvantages of high production cost, low yield, backward process, unsafe use and the like; the cost of the electric energy for burning the activated carbon is high, and the technology is complex; if the induction electromagnetism is used for sintering the activated carbon, the defects of low temperature rise rate, low yield, high maintenance cost, high management and use difficulty and the like exist.
Therefore, the intermittent type back-flame kiln for producing the activated carbon with environmental protection, energy saving and high efficiency is produced according to the heat transfer mode, namely heat conduction, heat convection, heat radiation, and the heating method of heat, namely external heating and internal heating. The heating mode can be used for firing the activated carbon by using clean energy sources such as silicon carbide rods, natural gas, liquefied gas, coal gas and the like, and meanwhile, the furnace belongs to a low-temperature furnace, has a simple structure, is easy to manufacture, is convenient to operate, has low manufacturing cost, is suitable for a scientific and reasonable firing system, and has wide market prospect.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an environmental protection and energy saving high-efficiency production active carbon intermittent type back-flame kiln which is convenient to use, maintain and manage.
The utility model adopts the technical proposal that:
the utility model provides an energy-efficient production active carbon down-draft kiln of environmental protection, includes the kiln zone of heating and kiln exhaust-heat area, the below of the kiln zone of heating sets up the kiln base, and kiln zone of heating top sets up the kiln exhaust-heat area, and kiln exhaust-heat area top sets up the kiln body upper cover, is provided with feed inlet and kiln outlet in the kiln body upper cover, and the bottom of the kiln zone of heating sets up the kiln base flat board, the kiln zone of heating in set up three rows of steel storage bucket, five steel storage bucket of every row, the below of steel storage bucket is fixed on the kiln base flat board, the bottom of steel storage bucket sets up out the hopper, the top of steel storage bucket is connected with exhaust-heat area outlet flue pipe, sets up the combustor on the kiln wall of.
The kiln wall of the other side of the heating zone of the kiln is provided with a heating zone upper end thermocouple and a heating zone lower end thermocouple, a charging basket internal thermocouple is arranged in the steel charging basket, a kiln wall of the heating zone of the kiln is also provided with a kiln internal inspection hole, and a kiln wall of the waste heat zone of the kiln is provided with a waste heat zone thermocouple.
The waste heat zone thermocouple is connected with a waste heat zone temperature digital display through a thermocouple dedicated wire, the thermocouple at the upper end of the heating zone is connected with the temperature digital display at the upper end of the heating zone through the thermocouple dedicated wire, the thermocouple in the charging barrel is connected with the activated carbon temperature digital display in the furnace barrel through the thermocouple dedicated wire, the thermocouple at the lower end of the heating zone is connected with the temperature digital display at the lower end of the heating zone through the thermocouple dedicated wire, and the waste heat zone temperature digital display, the temperature digital display at the upper end of the heating zone, the activated carbon temperature digital display in the furnace barrel and the temperature digital display at the lower end of the heating zone are all connected with a 220V power supply through.
The waste heat district play tobacco pipe is set up to the top of steel storage bucket, connect by heating zone top baffle between the top outer wall of two adjacent steel storage buckets, the below of steel storage bucket is provided with the hole of inhaling, and the hole of inhaling is connected with the inside inner tube of discharging fume of steel storage bucket, and the inner tube top of discharging fume is connected with waste heat district play tobacco pipe, the bottom of steel storage bucket is connected with out the hopper.
The section of the top partition plate of the heating zone is in an inverted V shape.
The gap between the walls of the steel charging barrel is a heating area hearth which is connected with the fire absorbing holes.
The kiln smoke outlet is connected with an exhaust fan through a fan valve I, and the other side of the exhaust fan is connected with an electrostatic dust collector.
The discharge hopper is provided with a discharge port baffle below, the discharge port baffle is connected with an outer ball of a discharge port baffle steel bushing, the top of an inner ball of the discharge port baffle steel bushing is fixed at the bottom of a kiln base plate by a steel bushing support, the other side of the outer ball of the discharge port baffle steel bushing is connected with a baffle pull rod through a baffle pull rod hole, and the baffle pull rod is connected with a pull rod hand plate.
The combustor is also connected with the low-pressure fan and the coal gas inlet, the combustor is connected with the low-pressure fan through a combustor air valve and a fan valve II, and the other side of the combustor is connected with the coal gas inlet through a coal gas pressure gauge, a proportional valve, a check valve, a water filter and a coal gas main valve in sequence.
The combustor, the combustor air valve and the combustor valve are provided with four groups which are arranged side by side.
The utility model has the advantages that: the upper and lower temperatures in the kiln of the utility model are relatively uniform, the horizontal temperatures are consistent, the upper and lower temperature difference is small, and high-quality products can be burned; and moreover, a method of simultaneously carrying out external heating and internal heating is adopted, so that the sintering time is shortened, the yield is improved, the energy consumption is reduced, and the labor intensity is reduced.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is an internal cross-sectional view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a schematic view of the discharge hole of the present invention.
Fig. 5 is a schematic diagram of gas heating of the present invention.
Fig. 6 is a temperature display diagram of the present invention.
Detailed Description
As shown in fig. 1 to 6, an environment-friendly, energy-saving and efficient activated carbon down-draft kiln comprises a kiln heating zone and a kiln waste heat zone, wherein a kiln base 1 is arranged below the kiln heating zone, the kiln waste heat zone is arranged above the kiln heating zone, a kiln body upper cover 18 is arranged at the top of the kiln waste heat zone, a feed inlet 13 and a kiln smoke outlet 3 are arranged in the kiln body upper cover 18, a kiln base flat plate 19 is arranged at the bottom of the kiln heating zone, three rows of steel material barrels 14 are arranged in the kiln heating zone, five steel material barrels 14 are arranged in each row, the lower parts of the steel material barrels 14 are fixed on the kiln base flat plate 19, a discharge hopper 17 is arranged at the bottom of the steel material barrels 14, the top of the steel material barrels 14 are connected with the waste heat zone smoke outlet pipe 21, and a burner 7 is arranged on the.
The size of the kiln base flat plate 19 is 2.6m multiplied by 2.1m multiplied by 0.2 cm.
The kiln wall of the other side of the heating zone of the kiln is provided with a heating zone upper end thermocouple 9 and a heating zone lower end thermocouple 11, a charging basket internal thermocouple 10 is arranged in a steel charging basket 14, the kiln wall of the heating zone of the kiln is also provided with a kiln internal inspection hole 12, and the kiln wall of the waste heat zone of the kiln is provided with a waste heat zone thermocouple 8.
The waste heat zone thermocouple 8 is connected with a waste heat zone temperature digital display 47 through a thermocouple special line 51, the thermocouple 9 at the upper end of the heating zone is connected with a heating zone upper end temperature digital display 48 through the thermocouple special line 51, the thermocouple 10 in the charging barrel is connected with an activated carbon temperature digital display 49 in the furnace barrel through the thermocouple special line 51, the thermocouple 11 at the lower end of the heating zone is connected with a heating zone lower end temperature digital display 50 through the thermocouple special line 51, and the waste heat zone temperature digital display 47, the heating zone upper end temperature digital display 48, the activated carbon temperature digital display 49 in the furnace barrel and the heating zone lower end temperature digital display 50 are all connected with a 220V power supply through 220V power supply connecting lines 52.
The waste heat area smoke outlet pipe 21 is arranged above the steel charging barrel 14, the outer walls of the tops of two adjacent steel charging barrels 14 are connected through a heating area top partition plate 22, the fire suction hole 16 is arranged below the steel charging barrel 14, the fire suction hole 16 is connected with the smoke exhaust inner pipe 15 inside the steel charging barrel 14, the top of the smoke exhaust inner pipe 15 is connected with the waste heat area smoke outlet pipe 21, and the bottom of the steel charging barrel 14 is connected with the discharge hopper 17.
The diameter of the fire hole 16 is 402 cm; the diameter of a discharge hole at the bottom of the discharge hopper 17 is 4-5 cm.
The section of the top partition plate 22 of the heating zone is in an inverted V shape.
The gap between the walls of the steel charging barrel 14 is a heating zone hearth 23, and the heating zone hearth 23 is connected with the fire absorbing holes 16.
The kiln smoke outlet 3 is connected with an exhaust fan 5 through a fan valve I4, and the other side of the exhaust fan 5 is connected with an electrostatic dust collector 6.
The lower part of the discharge hopper 17 is provided with a discharge port baffle 29, the discharge port baffle 29 is connected with an outer ball of a discharge port baffle steel sleeve 30, the top of an inner ball of the discharge port baffle steel sleeve 30 is fixed at the bottom of the kiln base flat plate 19 through a steel sleeve support 31, the other side of the outer ball of the discharge port baffle steel sleeve 30 is connected with a baffle pull rod 34 through a baffle pull rod hole 32, and the baffle pull rod 34 is connected with a pull rod hand plate 35.
The diameter of the discharge hole is 4-5cm, and the diameter of the discharge hole baffle 29 is slightly larger than that of the discharge hole.
The combustor 7 is also connected with a low-pressure fan 46 and a coal gas inlet 36, the combustor 7 is connected with the low-pressure fan 46 through a combustor air valve 44 and a fan valve II 45, and the other side of the combustor 7 is connected with the coal gas inlet 36 through a coal gas pressure gauge 42, a proportional valve 41, a check valve 40, a water filter valve 39, a water filter 38 and a coal gas main valve 37 in sequence.
The combustor 7, the combustor air valve 44 and the combustor valve 43 are provided with four groups which are arranged side by side.
The wall of the kiln is a kiln heat-insulating wall 2.
A fire baffle plate 26 is arranged at the outlet of the burner 7 in the heating zone of the kiln, and the position of the fire baffle plate 26 is fixed.
The waste heat area smoke outlet pipe 21 is fixed in the kiln of the waste heat area through a U-shaped fixing bolt and a U-shaped fixing bolt hole 20.
The utility model discloses during the use, open two 45 of fan valve of low pressure fan 46, combustor air valve 44, combustor valve 43, the main valve 37 of coal gas, water filter valve 39, check valve 40 and proportional valve 41, after igniteing, heat the outer wall of steel storage bucket 14 in the kiln, add the raw materials to the kiln is inside through feed inlet 13, flame and heat in the kiln can enter into the inner tube 15 of discharging fume through the hole 16 of inhaling of steel storage bucket 14 below, at the in-process of discharging fume, heat steel storage bucket 14's inner wall simultaneously, thereby realize the effect that external heating and internal heating go on simultaneously. The smoke in the smoke exhaust inner pipe 15 continuously enters the waste heat area smoke outlet pipe 21 upwards, and after the exhaust fan 5 is started, the smoke in the waste heat area smoke outlet pipe 21 passes through the kiln smoke outlet 3, the fan valve I4, the exhaust fan 5 and the electrostatic dust collector 6 in sequence and is finally exhausted. The material after being heated can follow the play hopper 17 outflow of steel storage bucket 14 bottom, hold pull rod hand plate 35 pulling baffle pull rod 34, because be fixed welding together between the outer ball of baffle railing 34 and discharge gate baffle steel bushing 30, sliding connection between outer ball and the interior ball, the interior ball is fixed, so baffle pull rod 34 can drive discharge gate baffle steel bushing 30's outer ball and rotate, again because also be fixed welding together between discharge gate baffle steel bushing 30's outer ball and discharge gate baffle 29, so discharge gate baffle steel bushing 30's outer ball rotates and can drive discharge gate baffle 29 and rotate, discharge gate baffle 29 removes the back from the discharge gate of discharge gate 17 below, the material in the play hopper 17 flows from the discharge gate.
The reverse-flame kiln for producing the activated carbon by taking coal gas as fuel is taken as an example and is used for overcoming the defects in the prior art. The intermittent type formula back-draft kiln has: the volume of the kiln can be large or small, the kiln can be flexibly manufactured according to the yield requirement, and the kiln can be produced in a subarea mode and is convenient to move; the upper temperature and the lower temperature in the kiln are uniform, the horizontal temperature is consistent, the upper temperature difference and the lower temperature difference are small, and high-quality products can be burnt; and moreover, a method of simultaneously carrying out external heating and internal heating is adopted, the sintering time is shortened, the yield is improved, the energy consumption is reduced, the labor intensity is reduced, the management level is improved, and the advanced, scientific and reasonable design lays a foundation for further sintering automation.

Claims (10)

1. The utility model provides an environmental protection and energy saving high efficiency production active carbon down draft kiln which characterized in that: the kiln comprises a kiln heating area and a kiln waste heat area, wherein a kiln base (1) is arranged below the kiln heating area, the kiln waste heat area is arranged above the kiln heating area, a kiln body upper cover (18) is arranged at the top of the kiln waste heat area, a feed inlet (13) and a kiln smoke outlet (3) are arranged in the kiln body upper cover (18), a kiln base flat plate (19) is arranged at the bottom of the kiln heating area, three rows of steel material barrels (14) are arranged in the kiln heating area, five steel material barrels (14) are arranged in each row, the lower part of each steel material barrel (14) is fixed on the kiln base flat plate (19), a discharge hopper (17) is arranged at the bottom of each steel material barrel (14), the top of each steel material barrel (14) is connected with a waste heat area smoke outlet pipe (21), and a burner (7) is arranged on.
2. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 1, wherein: the kiln wall of the other side of the heating zone of the kiln is provided with a heating zone upper end thermocouple (9) and a heating zone lower end thermocouple (11), a charging barrel internal thermocouple (10) is arranged in a steel charging barrel (14), the kiln wall of the heating zone of the kiln is also provided with a kiln internal inspection hole (12), and the kiln wall of the waste heat zone of the kiln is provided with a waste heat zone thermocouple (8).
3. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 2, wherein: the waste heat zone thermocouple (8) is connected with a waste heat zone temperature digital display (47) through a thermocouple special line (51), the thermocouple (9) at the upper end of the heating zone is connected with a heating zone upper end temperature digital display (48) through the thermocouple special line (51), the thermocouple (10) in the charging barrel is connected with an activated carbon temperature digital display (49) in the furnace barrel through the thermocouple special line (51), the thermocouple (11) at the lower end of the heating zone is connected with a heating zone lower end temperature digital display (50) through the thermocouple special line (51), and the waste heat zone temperature digital display (47), the heating zone upper end temperature digital display (48), the activated carbon temperature digital display (49) in the furnace barrel and the heating zone lower end temperature digital display (50) are all connected with a 220V power supply through 220V power supply connecting lines (52).
4. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 1, wherein: a smoke exhaust pipe (21) is arranged above the steel charging barrels (14), the outer walls of the tops of two adjacent steel charging barrels (14) are connected through a heating area top partition plate (22), a fire suction hole (16) is arranged below each steel charging barrel (14), the fire suction hole (16) is connected with a smoke exhaust inner pipe (15) inside each steel charging barrel (14), the top of each smoke exhaust inner pipe (15) is connected with the smoke exhaust pipe (21) of the waste heat area, and the bottom of each steel charging barrel (14) is connected with a discharge hopper (17).
5. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 4, wherein: the section of the heating zone top partition plate (22) is in an inverted V shape.
6. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 4, wherein: the gap between the walls of the steel charging barrel (14) is a heating zone hearth (23), and the heating zone hearth (23) is connected with the fire absorbing holes (16).
7. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 1, wherein: the kiln smoke outlet (3) is connected with an exhaust fan (5) through a fan valve I (4), and the other side of the exhaust fan (5) is connected with an electrostatic dust collector (6).
8. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 1, wherein: the kiln comprises a kiln base plate (19), a discharge port baffle (29) is arranged below a discharge hopper (17), the discharge port baffle (29) is connected with an outer ball of a discharge port baffle steel sleeve (30), the top of an inner ball of the discharge port baffle steel sleeve (30) is fixed at the bottom of the kiln base plate (19) through a steel sleeve support (31), the other side of the outer ball of the discharge port baffle steel sleeve (30) is connected with a baffle pull rod (34) through a baffle pull rod hole (32), and the baffle pull rod (34) is connected with a pull rod hand plate (35).
9. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 1, wherein: the burner (7) is also connected with a low-pressure fan (46) and a coal gas inlet (36), the burner (7) is connected with the low-pressure fan (46) through a burner air valve (44) and a fan valve II (45), and the other side of the burner (7) is connected with the coal gas inlet (36) through a coal gas pressure gauge (42), a proportional valve (41), a check valve (40), a water filter valve (39), a water filter (38) and a coal gas main valve (37) in sequence.
10. The environment-friendly energy-saving high-efficiency active carbon production down-draft kiln as claimed in claim 9, wherein: the combustor (7), the combustor air valve (44) and the combustor valve (43) are provided with four groups which are arranged side by side.
CN201921586653.7U 2019-09-23 2019-09-23 Environment-friendly energy-saving efficient production active carbon down-draft kiln Expired - Fee Related CN210595282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921586653.7U CN210595282U (en) 2019-09-23 2019-09-23 Environment-friendly energy-saving efficient production active carbon down-draft kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921586653.7U CN210595282U (en) 2019-09-23 2019-09-23 Environment-friendly energy-saving efficient production active carbon down-draft kiln

Publications (1)

Publication Number Publication Date
CN210595282U true CN210595282U (en) 2020-05-22

Family

ID=70714545

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921586653.7U Expired - Fee Related CN210595282U (en) 2019-09-23 2019-09-23 Environment-friendly energy-saving efficient production active carbon down-draft kiln

Country Status (1)

Country Link
CN (1) CN210595282U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200522

Termination date: 20200923

CF01 Termination of patent right due to non-payment of annual fee