CN210683673U

CN210683673U - Carbonization furnace with two-stage cooling

Info

Publication number: CN210683673U
Application number: CN201920946954.XU
Authority: CN
Inventors: 张睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-05
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a retort with second grade cooling, including the furnace body, the both sides of furnace body are equipped with first switch door and second switch door respectively, and the second switch door is connected with cooling channel, and cooling channel's outside is equipped with one-level cooling device and second grade cooling device, and one-level cooling device includes coolant tank, and second grade cooling device includes a plurality of shower heads that spray vaporific water. This retort with second grade cooling, send into timber in the furnace body through first switch door, then add the thermal carbonization and handle, send into cooling channel behind the timber carbomorphism, after cooling water tank cools off a period earlier, reduce the charcoal temperature, send to second grade cooling device's position again, spray vaporific water through the shower head and further cool off, avoid the charcoal inner core to remain the mars and spontaneous combustion, stop the ignition completely, through one-level cooling device and second grade cooling device, can cool off the charcoal fast, the production efficiency of charcoal is improved, this utility model is used for the charcoal making equipment field.

Description

Carbonization furnace with two-stage cooling

Technical Field

The utility model relates to a system charcoal equipment field especially relates to a retort with second grade cooling.

Background

The carbonization furnace is used for producing charcoal, wood is put into the carbonization furnace, the carbonization furnace is generally heated by adopting a heating and dry distillation process, the temperature in the furnace is gradually increased, and the carbonization process of the carbonization furnace can be divided into the following three stages: (1) and a drying stage: starting ignition, raising the temperature of the furnace to about 160 ℃, and evaporating the moisture contained in the wood by means of the external heat and the heat generated by self combustion; (2) the furnace temperature is increased to 160-280 ℃, at the moment, the wood is subjected to thermal decomposition reaction, and the chemical composition of the wood begins to change; (3) the furnace temperature rises to 300-650 ℃ and can reach 800-1000 ℃, and in the stage, wood is rapidly decomposed and is distilled into charcoal at high temperature.

After the carbonization furnace is used for carbonizing wood, the charcoal needs to be cooled to reduce the temperature to about 50 ℃, and the production efficiency of the charcoal is low because the charcoal is cooled by natural cooling or an additional cooling device in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a retort with second grade cooling is provided, can cool off the charcoal fast, improve production efficiency.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a retort with second grade cooling, includes the furnace body, the both sides of furnace body are equipped with first switch door and second switch door respectively, the second switch door is connected with cooling passage, cooling passage's tip is equipped with third switch door, cooling passage's outside is equipped with one-level cooling device and second grade cooling device, one-level cooling device includes coolant tank, coolant tank's lower part and upper portion are equipped with water inlet and delivery port respectively, second grade cooling device includes a plurality of shower heads that spray vaporific water.

Preferably, the bottom of the furnace body is provided with a combustion heating furnace, and a gas pipeline and a combustion furnace end for providing combustible gas are arranged in the combustion heating furnace.

Preferably, the furnace body is connected with a flue gas recovery device, the upper part and the lower part of the flue gas recovery device are respectively provided with an air inlet and an air outlet, and a flue gas cooling device is arranged in the flue gas recovery device, the bottom of the flue gas recovery device is provided with a funnel-shaped recovery part, and the bottom of the recovery part is provided with a valve.

Preferably, the top of the furnace body is connected with an exhaust pipe, the exhaust pipe is connected with an air inlet of a flue gas recovery device, and an air outlet of the flue gas recovery device is connected with a fuel gas pipeline.

Preferably, the flue gas cooling device comprises a cooling pipe, the cooling pipe is spirally arranged, and a cooling pipe water inlet and a cooling pipe water outlet are respectively arranged at the lower end and the upper end of the cooling pipe.

Preferably, the periphery of the furnace body is wrapped with heat preservation cotton.

Preferably, a transparent observation window is arranged on the furnace body.

Preferably, a plurality of radiating fins are arranged on the cooling channel.

Preferably, a temperature detection sensor is arranged in the furnace body.

The utility model has the advantages that: this retort with second grade cooling, send into timber in the furnace body through first switch door, then add the thermal carbonization processing, send into cooling channel through the second switch door after the timber carbomorphism, one-level cooling device's position in cooling channel, earlier after cooling for a period through cooling water tank, reduce the charcoal temperature, send the position of second grade cooling device again, spray vaporific water further cooling through the shower head, avoid the charcoal inner core to remain mars and the spontaneous combustion, stop the ignition completely, through one-level cooling device and second grade cooling device, can cool off the charcoal fast, the production efficiency of charcoal is improved.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic plan view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a flue gas recovery device according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1 and 2, the utility model relates to a retort with second grade cooling, including furnace body 10, the both sides of furnace body 10 are equipped with first switch door 11 and second switch door 12 respectively, second switch door 12 is connected with cooling channel 20, cooling channel 20's tip is equipped with third switch door 13, cooling channel 20's outside is equipped with one-level cooling device and second grade cooling device, one-level cooling device includes coolant tank 30, coolant tank 30's lower part and upper portion are equipped with water inlet 31 and delivery port 32 respectively, second grade cooling device includes a plurality of shower heads 40 that spray vaporific water.

This retort with second grade cooling, send into furnace body 10 with timber in through first switch door 11, then heat the carbomorphism and handle, send into cooling channel 20 through second switch door 12 after the timber carbomorphism, the position of one-level cooling device in cooling channel 20, after cooling water tank 30 cools off a period of time earlier, reduce the charcoal temperature, send the position of second grade cooling device again, it further cools off to spray vaporific water through shower head 40, avoid the charcoal inner core to remain the mars and the spontaneous combustion, stop the ignition completely, send out through third switch door 13 at last. Through one-level cooling device and second grade cooling device, can carry out quick cooling to the charcoal, compare with the method that adopts natural cooling or use other cooling device to carry out the cooling to it among the prior art, improve the production efficiency of charcoal greatly.

Preferably, a combustion heating furnace 50 is provided at the bottom of the furnace body 10, a gas pipe 51 for supplying combustible gas and a burner (not shown) are provided in the combustion heating furnace 50, and the burner is burned to heat the furnace body 10, so that the temperature in the furnace body 10 is gradually increased, and the wood is gradually carbonized to form charcoal.

Preferably, the furnace body 10 is connected with a flue gas recovery device 60, the upper part and the lower part of the flue gas recovery device 60 are respectively provided with an air inlet 61 and an air outlet 62, and the interior of the flue gas recovery device 60 is provided with a flue gas cooling device, the bottom of the flue gas recovery device 60 is provided with a funnel-shaped recovery part 63, and the bottom of the recovery part 63 is provided with a valve 64. The flue gas generated in the carbonization process of the wood in the furnace body 10 mainly comprises combustible gas such as carbon monoxide and methane and byproducts such as wood tar and pyroligneous liquor, wherein the byproducts such as the wood tar and the pyroligneous liquor are liquid at normal temperature, so that under the action of the flue gas cooling device, the byproducts such as the wood tar and the pyroligneous liquor in the flue gas are condensed into liquid and fall into the funnel-shaped recovery part 63, and are separated from the combustible gas such as the carbon monoxide and the methane so as to be recycled. By opening the valve 64 at the bottom of the recovery part 63, byproducts such as wood tar and pyroligneous liquor, which are common chemical raw materials, can be taken out.

Preferably, the top of the furnace body 10 is connected with an exhaust pipe 14, the exhaust pipe 14 is connected with an air inlet 61 of the flue gas recovery device 60, and an air outlet 62 of the flue gas recovery device 60 is connected with the gas pipeline 51. After byproducts such as wood tar and pyroligneous liquor are separated from the flue gas in the flue gas recovery device 60, the remaining combustible gas such as carbon monoxide and methane is directly sent into a gas pipeline 51 in the combustion heating furnace 50 for combustion of the combustion furnace end, so that the flue gas is fully utilized.

Preferably, the flue gas cooling device comprises a cooling pipe 65, the cooling pipe 65 is spirally arranged, and a cooling pipe water inlet 651 and a cooling pipe water outlet 652 are respectively arranged at the lower end and the upper end of the cooling pipe 65. The cooling pipe 65 is spirally arranged, so that the contact area between the cooling pipe 65 and the flue gas can be increased, and the cooling efficiency is improved.

Preferably, the periphery of the furnace body 10 is wrapped with heat insulation cotton 15, the heat insulation cotton 15 is made of ceramic fiber cotton, heat loss is reduced through the heat insulation cotton 15, heating efficiency is improved, and therefore production efficiency of charcoal is improved.

Preferably, the furnace body 10 is provided with a transparent observation window 16, and the carbonization of the wood in the furnace body 10 can be observed through the observation window 16.

Preferably, the cooling passage 20 is provided with a plurality of radiating fins 21 to increase the contact area between the cooling passage 20 and the cooling water in the cooling water tank 30, thereby improving the cooling efficiency.

Preferably, a temperature detection sensor is provided in the furnace body 10, and the temperature in the furnace body 10 is detected by the temperature detection sensor, and the heating temperature is controlled more accurately by controlling the heating power of the combustion heating furnace 50 based on the temperature.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A retort with secondary cooling characterized in that: the furnace comprises a furnace body, the both sides of furnace body are equipped with first switch door and second switch door respectively, the second switch door is connected with cooling channel, cooling channel's tip is equipped with third switch door, cooling channel's outside is equipped with one-level cooling device and second grade cooling device, one-level cooling device includes coolant tank, coolant tank's lower part and upper portion are equipped with water inlet and delivery port respectively, second grade cooling device includes a plurality of shower heads that spray vaporific water.

2. Carbonization furnace with secondary cooling according to claim 1, characterized in that: the bottom of the furnace body is provided with a combustion heating furnace, and a gas pipeline and a combustion furnace end for providing combustible gas are arranged in the combustion heating furnace.

3. Carbonization furnace with secondary cooling according to claim 2, characterized in that: the furnace body is connected with a flue gas recovery device, the upper portion and the lower portion of the flue gas recovery device are respectively provided with an air inlet and an air outlet, and a flue gas cooling device is arranged inside the flue gas recovery device, the bottom of the flue gas recovery device is provided with a funnel-shaped recovery portion, and the bottom of the recovery portion is provided with a valve.

4. A carbonization furnace with secondary cooling as claimed in claim 3, characterized in that: the top of furnace body is connected with the blast pipe, the air inlet of flue gas recovery unit is connected to the blast pipe, gas pipeline is connected to flue gas recovery unit's gas outlet.

5. A carbonization furnace with secondary cooling as claimed in claim 3, characterized in that: the flue gas cooling device comprises a cooling pipe, the cooling pipe is spirally arranged, and a cooling pipe water inlet and a cooling pipe water outlet are respectively formed in the lower end and the upper end of the cooling pipe.

6. Carbonization furnace with secondary cooling according to claim 1, characterized in that: the periphery of the furnace body is wrapped with heat insulation cotton.

7. Carbonization furnace with secondary cooling according to claim 1, characterized in that: and a transparent observation window is arranged on the furnace body.

8. Carbonization furnace with secondary cooling according to claim 1, characterized in that: and a plurality of radiating fins are arranged on the cooling channel.

9. A carbonization furnace with secondary cooling as claimed in any of claims 1 to 8, characterized in that: and a temperature detection sensor is arranged in the furnace body.