CN210528482U

CN210528482U - Vertical integrated internal combustion furnace for cleanly preparing activated carbon

Info

Publication number: CN210528482U
Application number: CN201921266740.4U
Authority: CN
Inventors: 鲍华林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-15
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a vertical integral type internal combustion furnace of clean preparation active carbon, including vertical furnace body, vertical furnace body's inside is equipped with combustion area territory, activation region territory and carbomorphism region by lower up in proper order. The utility model has the advantages that: the combustion device is placed in a production furnace, and the combustion and pyrolysis reaction are carried out in one device, so that an external pipeline and a flue are not needed, the manufacturing cost is reduced, and the energy loss is reduced; the heating mode of internal combustion type active carbon preparation is adopted, high-temperature smoke and water vapor are generated by combustion in the furnace and directly carry out pyrolysis reaction with materials, and the manufacturing cost is reduced; the integrated active carbon preparation mode is adopted, the raw materials do not need to be taken and fed in the process from the raw materials to the active carbon, and the production efficiency is high; by adopting a new structure form and changing the contact mode (direct contact and reverse contact) of the materials and the reaction medium, the reaction efficiency of the materials is improved, and then the production efficiency of the activated carbon is improved.

Description

Vertical integrated internal combustion furnace for cleanly preparing activated carbon

Technical Field

The utility model relates to an active carbon preparation technical field, concretely relates to clean vertical integral type internal combustion furnace who prepares active carbon.

Background

In the existing device for preparing the activated carbon, a carbonization and activation furnace and a combustion device are independent devices, the combustion device generates high-temperature smoke and water vapor, the smoke and the water vapor enter the furnace through an external pipeline and a flue, the external pipeline and the flue are made of stainless steel and high-temperature resistant materials due to the fact that the temperature in the furnace is extremely high, sealing is guaranteed, meanwhile, heat insulation materials are laid on the external pipeline and the flue, the manufacturing cost is high, energy loss is large, and manual maintenance is difficult.

In the existing method for preparing the activated carbon, two heating modes are adopted: the indirect heating mode has low utilization efficiency of heat energy and extremely high energy loss; the internal heating type is to transmit heat energy through a gas pipeline on the furnace body, and more gas pipelines need to be arranged, so that the manufacturing cost is higher.

In the existing process for preparing the activated carbon, a plurality of steps of taking and feeding materials are required from raw materials to carbon materials and then to finished activated carbon, so that the operation is complex and the production efficiency is low.

At present, the carbonization and activation furnace for preparing the active carbon generally has the problems of longer reaction time of material carbonization and activation and longer production period of the active carbon.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical integral type internal combustion furnace of clean preparation active carbon, its manufacturing cost who has solved the carbomorphism activation furnace existence of traditional preparation active carbon is high, energy loss is big, production cycle is long and the problem of inefficiency.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a vertical integrated internal combustion furnace for cleanly preparing activated carbon comprises a vertical furnace body, wherein a combustion area, an activation area and a carbonization area are sequentially arranged in the vertical furnace body from bottom to top;

a combustion device is arranged in the combustion area, a fuel gas inlet and a water inlet pipe which are communicated with the outside are arranged at one end of the combustion device, a steam pipe and a flue are arranged at the other end of the combustion device, the steam pipe and the flue are both communicated with an activation area, and a high-temperature flue gas outlet and an active carbon discharging device which are communicated with the outside are arranged in the activation area; the carbonization area is provided with a feeding device, a flue gas inlet and a flue gas outlet which are communicated with the outside, and a carbon material discharging device is arranged at the communication position of the carbonization area and the activation area.

The improved structure is characterized in that deflection conveying plates are arranged in the carbonization area and the activation area at equal intervals, notches are arranged on the deflection conveying plates, the notches on the adjacent deflection conveying plates are arranged in a staggered and reverse mode, a scraping plate is arranged above each deflection conveying plate, a driving device is arranged on the vertical furnace body, and the driving device is connected with each scraping plate through a driving shaft.

The further improvement is that the active carbon discharging device is arranged at the bottom of the activation area; the high-temperature flue gas outlet is arranged on the side edge of the top of the activation area; the feeding device is arranged at the top of the carbonization area, the flue gas inlet is arranged at the bottom side of the carbonization area, and the flue gas outlet is arranged at the top side of the carbonization area.

The further improvement is that the furnace wall of the vertical furnace body consists of common clay bricks on the outer layer, aerogel or asbestos plates on the middle layer and refractory bricks on the inner layer.

The further improvement is that the combustion device is a heating device such as a heating furnace, a shell boiler or a water pipe boiler.

The further improvement is that a smoke baffle is vertically arranged in the combustion area, the combustion device, the steam pipe and the flue are positioned on the same side of the smoke baffle, and the steam pipe and the flue are communicated with the other side of the smoke baffle.

The further improvement is that a plurality of temperature thermocouples are arranged in the carbonization area and the activation area.

The further improvement is that the upper surface of the baffling conveying plate is sequentially paved with a heat insulation layer and a fire-resistant plate.

The further improvement lies in that the vertical furnace body is cylindrical, the baffling conveying plate is disc-shaped, and the gap is arc-shaped.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses place burner in the production stove, burning and pyrolytic reaction go on in a device, do not need outside pipeline and flue, reduce manufacturing cost, reduce energy loss.

(2) The utility model discloses a heating method of internal combustion type preparation active carbon, the burning produces high temperature flue gas and steam in the stove, directly carries out pyrolytic reaction with the material, reduces manufacturing cost.

(3) The utility model discloses a mode of integral type preparation active carbon becomes the active carbon with the raw materials in a device, and after the raw materials got into the device, form the coke after the carbomorphism reaction, the coke passes through automatic discharging device and gets into the activation region, forms the active carbon after the activation reaction, and the in-process from raw materials to active carbon need not get the material pay-off, and production efficiency is high.

(4) The utility model discloses a new structural style, through the contact mode (direct contact and reverse contact) that changes material and reaction medium, improve the reaction efficiency of material, improve the production efficiency of active carbon then.

Drawings

FIG. 1 is a schematic view of the overall structure of a vertical integrated internal combustion furnace;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

in the figure: 1. a combustion zone; 2. a carbonization area; 3. an activation region; 4. a combustion device; 5. a gas inlet; 6. a steam pipe; 7. a flue; 8. an activated carbon discharging device; 9. a high-temperature flue gas outlet; 10. A feeding device; 11. a low temperature flue gas inlet; 12. a low-temperature flue gas outlet; 13. a carbon material discharging device; 14. a baffled transport plate; 15. a notch; 16. a scraping plate; 17. a drive device; 18. common clay bricks; 19. aerogel or asbestos boards; 20. a refractory brick; 21. a smoke baffle; 22. a temperature thermocouple; 23. a thermal insulation layer; 24. a refractory plate; 25. and (4) a water inlet pipe.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 to 3, the vertical integrated internal combustion furnace for clean preparation of activated carbon comprises a vertical furnace body, wherein a combustion area 1, an activation area 3 and a carbonization area 2 are sequentially arranged in the vertical furnace body from bottom to top.

A combustion device 4 is arranged in the combustion area 1, one end of the combustion device 4 is provided with a gas inlet 5 and a water inlet pipe 25 which are communicated with the outside and are used for introducing gas and water, the gas is insufficiently combusted in the combustion device 4 to form high-temperature flue gas and exchanges heat with the water to form water vapor, the other end of the combustion device 4 is provided with a steam pipe 6 and a flue 7, and the steam pipe 6 and the flue 7 are both communicated with the activation area 3 and are respectively used for sending the water vapor and the high-temperature flue gas into the activation area 3; a high-temperature flue gas outlet 9 communicated with the outside is arranged in the activation area 3 and used for discharging high-temperature flue gas, and an activated carbon discharging device 8 is also arranged in the activation area 3 and used for discharging activated carbon formed by activation; the carbonization area 2 is provided with a feeding device 10, a flue gas inlet 11 and a flue gas outlet 12 which are communicated with the outside, the feeding device 10 is used for adding raw materials for preparing activated carbon, the flue gas inlet 11 and the flue gas outlet 12 are used for flue gas circulation in the carbonization area 2, and a carbon material discharging device 13 is arranged at the communication position of the carbonization area 2 and the activation area 3 and used for discharging carbon materials formed by material carbonization into the activation area 3.

Even interval is provided with baffling transport plate 14 in carbonization region 2 and the activation region 3, is equipped with breach 15 on the baffling transport plate 14, and the crisscross reverse setting of breach 15 on the adjacent baffling transport plate 14, and every baffling transport plate 14's top all is equipped with scrapes flitch 16, is equipped with drive arrangement 17 on the vertical furnace body, and drive arrangement 17 is connected with every scraping flitch 16 through the drive shaft.

As the structure of the embodiment of the utility model, the combustion area 1 is positioned at the bottom end in the vertical furnace body; the activation area 3 is positioned above the combustion area 1, the high-temperature flue gas outlet 9 is arranged on the side edge of the top of the activation area 3, and the activated carbon discharging device 8 is arranged at the bottom of the activation area 3; the carbonization area 2 is arranged above the activation area 3, the feeding device 10 is arranged at the top of the carbonization area 2, the flue gas inlet 11 is arranged at the bottom side of the carbonization area 2, and the flue gas outlet 12 is arranged at the top side of the carbonization area 2.

As the embodiment structure of the utility model, the oven of the vertical furnace body is composed of the outer common clay brick 18, the aerogel or the asbestos board 19 of the middle layer and the inner fireproof brick 20, and the whole heat insulation effect of the vertical furnace body is better.

As an embodiment structure of the present invention, the combustion device 4 is a heating device such as a heating furnace, a boiler shell boiler or a water tube boiler.

As the embodiment of the utility model discloses an embodiment structure, the vertical cigarette board 21 that is equipped with in above-mentioned combustion area 1, burner 4, steam pipe 6 and flue 7 are located the same one side of cigarette board 21, and steam pipe 6 and flue 7 and the opposite side intercommunication of cigarette board 21.

As the embodiment structure of the utility model, a plurality of temperature thermocouples 22 are arranged in the carbonization area 2 and the activation area 3. For example, temperature thermocouples 22 may be disposed at the high temperature flue gas outlet 9, the low temperature flue gas inlet 11, the low temperature flue gas outlet 12, and the outlet of the activation region 3, so as to measure the temperatures at these positions, and provide a basis for controlling the operation parameters such as the feeding speed, the discharging speed, the heating temperature, and the flue gas amount.

As the embodiment of the utility model discloses a thermal-protective layer 23 and fire-resistant plate 24 have been laid in proper order to the upper surface of above-mentioned baffling delivery board 14 to increase the temperature resistance on the baffling delivery board 14, wherein thermal-protective layer 23 can adopt aerogel or asbestos board.

As the embodiment structure of the utility model, the vertical furnace body is cylindrical, the baffle conveying plate 14 is disc-shaped, and the gap 15 is bow-shaped, and other shapes can be adopted.

As the embodiment structure of the utility model, the vertical furnace body is cylindrical, and can be other structures.

The utility model discloses a concrete work flow does:

will send into the regional 2 of carbomorphism of integral type internal-combustion furnace through feeding device 10 raw materials after the dry thinning processing to with the flue gas from the leading-in carbomorphism region 2 of 11 flue gas inlets, through drive arrangement 17's rotary drive, and the baffling effect of baffling delivery board 14, scrape flitch 16 with raw materials from last down successive layer auger delivery, and the flue gas from up letting in down with the raw materials reverse contact, the carbonization reaction is carried out at 150 ~ 600 ℃ to the controlled temperature, form charcoal material and pyrolysis gas. After the carbonization reaction is finished, the carbon material reaches the bottom end of the carbonization area 2, the carbon material enters the activation area 3 through the carbon material discharging device 13, and the pyrolysis gas is sent out of the furnace through the flue gas outlet 12. Leading in gas and water from gas import 5 and inlet tube 25, the gas is not fully burnt at burner 4 and is produced high temperature flue gas to generate steam with water heat transfer, pass through flue 7 and steam pipe 6 respectively, from bottom to top get into activation region 3, and the charcoal material that gets into in activation region 3 is spiral transport from top to bottom likewise, high temperature flue gas and steam and charcoal material reverse direct contact, control temperature and carry out the activation reaction at 600 ~ 1000 ℃ forms active carbon and high temperature pyrolysis gas. After the activation reaction is finished, the activated carbon is discharged out of the furnace through the activated carbon discharging device 8, and the high-temperature pyrolysis gas is discharged out of the furnace through the high-temperature flue gas outlet 9. The flow direction of the flue gas is opposite to the material transportation direction, which is beneficial to improving the reaction efficiency of the materials and ensuring that the carbonization activation reaction is more complete. In addition, the reaction time of materials can be accelerated and the production efficiency of the activated carbon can be improved by changing the amount of flue gas generated by combustion, the number of layers of the baffling conveying plates 14 and the size of the notch 15.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a clean vertical integral type internal combustion furnace of preparation active carbon, includes vertical furnace body, its characterized in that: a combustion area (1), an activation area (3) and a carbonization area (2) are sequentially arranged in the vertical furnace body from bottom to top;

a combustion device (4) is arranged in the combustion area (1), one end of the combustion device (4) is provided with a fuel gas inlet (5) and a water inlet pipe (25) which are communicated with the outside, the other end of the combustion device (4) is provided with a steam pipe (6) and a flue (7), and the steam pipe (6) and the flue (7) are both communicated with the activation area (3); the activation area (3) is provided with a high-temperature flue gas outlet (9) and an activated carbon discharging device (8) which are communicated with the outside; the carbonization area (2) is provided with a feeding device (10), a flue gas inlet (11) and a flue gas outlet (12) which are communicated with the outside, and a carbon material discharging device (13) is arranged at the communication position of the carbonization area (2) and the activation area (3).

2. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 1, is characterized in that: even interval is provided with baffling delivery board (14) in carbonization region (2) and activation region (3), be equipped with breach (15) on baffling delivery board (14), and the crisscross reverse setting of breach (15) on adjacent baffling delivery board (14), the top of every baffling delivery board (14) all is equipped with scrapes flitch (16), be equipped with drive arrangement (17) on the vertical furnace body, drive arrangement (17) are connected with every scraping flitch (16) through the drive shaft.

3. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 1, is characterized in that: the activated carbon discharging device (8) is arranged at the bottom of the activation region (3); the high-temperature flue gas outlet (9) is arranged on the side edge of the top of the activation area (3); feeding device (10) are located the top of carbonization region (2), and the bottom side of carbonization region (2) is located in flue gas inlet (11), and the top side of carbonization region (2) is located in exhanst gas outlet (12).

4. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 1, is characterized in that: the furnace wall of the vertical furnace body consists of an outer layer of common clay bricks (18), an intermediate layer of aerogel or asbestos plates (19) and an inner layer of refractory bricks (20).

5. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 1, is characterized in that: the combustion device (4) is a heating furnace, a shell boiler or a water pipe boiler.

6. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 1, is characterized in that: the vertical cigarette board (21) that is equipped with in combustion area (1), burner (4), steam pipe (6) and flue (7) are located the same one side of cigarette board (21), and steam pipe (6) and flue (7) and the opposite side intercommunication of cigarette board (21).

7. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 1, is characterized in that: a plurality of temperature thermocouples (22) are arranged in the carbonization area (2) and the activation area (3).

8. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 2 is characterized in that: and a heat insulation layer (23) and a fire-resistant plate (24) are sequentially paved on the upper surface of the baffling conveying plate (14).

9. The vertical integrated internal combustion furnace for cleanly preparing the activated carbon according to claim 2 is characterized in that: the vertical furnace body is cylindrical, the baffling conveying plate (14) is disc-shaped, and the notch (15) is arc-shaped.