CN217627635U - A equipment for ASR pyrolysis coupling preparation active carbon - Google Patents

Abstract

The utility model relates to a device for preparing activated carbon by ASR pyrolysis coupling, which comprises a reaction tower, a combustion device and a steam generation device, wherein the reaction tower comprises a pyrolysis chamber, an activation chamber, a feeder, a first control valve and a second control valve, the feeder is communicated with the pyrolysis chamber, the feeder is communicated with the activation chamber, the first control valve is communicated with the pyrolysis chamber and the activation chamber, and the second control valve is arranged in the activation chamber; the combustion device comprises a combustor, a pyrolysis gas pipe, a first flue gas pipe and a second flue gas pipe, wherein the pyrolysis gas pipe is communicated with the pyrolysis chamber and the combustor, and the first flue gas pipe is communicated with the combustor and the activation chamber; the steam generating device comprises a steam generator and a steam pipe, the second flue gas pipe is communicated with the burner and the steam generator, and the steam pipe is communicated with the steam generator and the activation chamber. Compared with the prior art, the equipment carries out the pyrolysis of the ASR and the preparation of the active carbon in the same device, does not need to be activated and prepared after being cooled, and has high energy utilization efficiency.

Description

A equipment for ASR pyrolysis coupling preparation active carbon

Technical Field

The utility model relates to a broken residue resourceization technical field of scraped car especially relates to an equipment that is used for ASR pyrolysis coupling preparation active carbon.

Background

After the scrapped Automobile is disassembled and parts such as an engine and a gearbox are recovered, the rest part is compressed, crushed and sorted, metal and non-metal materials in the rest part are recovered, and the rest part is called Automobile crushing Residue (ASR). The main components comprise plastics, rubber, resin, fiber, paper, sponge, glass, electric wires (ceramic and electric conductor materials) and the like.

The thermal cracking process is used for treating the ASR, namely polymer molecular chains are broken through high temperature (300-900 ℃) under the anaerobic condition (inert atmosphere or vacuum), the polymer molecular chains are converted into micromolecular products (including chain hydrocarbon, cyclic hydrocarbon, aromatic hydrocarbon and the like) taking hydrocarbon as main components, compared with the traditional incineration treatment mode, the thermal cracking process can convert more carbon elements into alkane substances, the emission of greenhouse gases such as carbon dioxide is reduced, no environment load substances such as dioxin, polychlorinated biphenyl and the like are generated, and compared with other treatment modes, the thermal cracking process is more environment-friendly.

The pyrolysis products are mainly divided into pyrolysis oil, pyrolysis gas and solid residues, wherein the pyrolysis oil can be gasified and discharged along with the pyrolysis gas, and the pyrolysis solid residues have high fixed carbon content and certain specific surface area and can be used as raw materials of the activated carbon. In the pyrolysis process of coal, biomass and the like, high-temperature coke obtained by pyrolysis is cooled under the common condition, and then activated by adopting a fixed bed technology to prepare active carbon, the coke after pyrolysis needs to be cooled, and the activation process needs to heat the coke at high temperature, so that energy waste is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need to provide an apparatus for preparing activated carbon by ASR pyrolysis coupling, so as to solve the technical problem of energy waste caused by the need of cooling coke first and then heating and activating the coke when preparing activated carbon by pyrolyzing the coke in the prior art.

The utility model provides an equipment for ASR pyrolysis coupling preparation active carbon, this an equipment for ASR pyrolysis coupling preparation active carbon includes: the system comprises a reaction tower, a combustion device and a steam generation device, wherein the reaction tower comprises a pyrolysis chamber for pyrolyzing ASR, an activation chamber for preparing activated carbon, a feeder, a first control valve and a second control valve, the feeder is communicated with the pyrolysis chamber, the feeder is communicated with the activation chamber, the first control valve is communicated with the pyrolysis chamber and the activation chamber, and the second control valve is arranged in the activation chamber; the combustion device comprises a combustor, a pyrolysis gas pipe, a first flue gas pipe and a second flue gas pipe, the pyrolysis gas pipe is communicated with the pyrolysis chamber and the combustor, and the first flue gas pipe is communicated with the combustor and the activation chamber; the steam generating device comprises a steam generator and a steam pipe, the second flue gas pipe is communicated with the burner and the steam generator, and the steam pipe is communicated with the steam generator and the activation chamber.

Further, the reaction tower further comprises a drying chamber and a third control valve, the third control valve is communicated with the drying chamber and the pyrolysis chamber, and the feeder is communicated with the drying chamber.

Further, the reaction tower also comprises a collection chamber, and the second control valve is communicated with the collection chamber and the activation chamber.

Furthermore, the drying chamber, the pyrolysis chamber, the activation chamber and the collection chamber are sequentially and longitudinally arranged from top to bottom.

Furthermore, the first control valve comprises a supporting plate, a blanking device and a telescopic mechanism, wherein the supporting plate is provided with a plurality of blanking holes, the blanking devices are in one-to-one corresponding matched insertion connection with the blanking holes so as to seal the blanking holes, and the telescopic mechanism is in transmission connection with the blanking devices so as to drive the blanking devices to be inserted into or separated from the blanking holes.

Further, the second control valve and the third control valve are identical in structure with the first control valve.

Furthermore, the combustion device also comprises a blower and an air pipe, wherein the air outlet end of the blower is communicated with the combustor through the air pipe so as to input air into the combustor.

Further, the device also comprises a pyrolysis gas treatment device, wherein the pyrolysis gas treatment device comprises a condenser communicated with the pyrolysis gas pipe for condensing at least part of the pyrolysis gas.

Furthermore, the pyrolysis gas treatment device also comprises a gas collector communicated with the condenser.

Further, the activation chamber is also provided with an exhaust hole.

Compared with the prior art, the utility model provides an equipment for ASR pyrolysis coupling preparation active carbon will scrap the pyrolysis of car residue ASR promptly and the preparation of active carbon go on in same device is reaction tower promptly, need not the reactivation preparation after the cooling to the heat in the activation process derives from the burning of the pyrolysis gas that the pyrolysis process produced, converts the ASR for active carbon with lower energy consumption, and energy utilization efficiency is high.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, and to implement the technical means according to the content of the description, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following examples and the accompanying drawings illustrate specific embodiments of the present invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the apparatus for preparing activated carbon by ASR pyrolysis coupling provided by the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

Referring to fig. 1, the present invention provides an apparatus for preparing activated carbon by ASR pyrolysis coupling, which is used for pyrolyzing ASR and preparing activated carbon from pyrolyzed solid residues.

The equipment for preparing the activated carbon by ASR pyrolysis coupling comprises a reaction tower 1, a combustion device 2 and a steam generation device 3.

The reaction tower 1 includes a pyrolysis chamber 11, an activation chamber 12, a feeder 13, a feeder 14, a first control valve 15, and a second control valve 16. Wherein the pyrolysis chamber 11 is used for pyrolyzing ASR to pyrolyze the ASR into pyrolysis oil, pyrolysis gas and solid residue, and the pyrolysis oil is gasified and mixed with the pyrolysis gas due to the high temperature in the pyrolysis chamber, generally 300-900 ℃. The pyrolysis chamber 11 is a conventional pyrolysis apparatus having a closed cavity and a heating device, and can be heated to a specified temperature under the condition of isolating oxygen, so that the material is decomposed in an oxygen-free state. The activation chamber 12 is a common apparatus for preparing activated carbon, and is used to activate the solid residue into activated carbon. The feeder 13 is communicated with the pyrolysis chamber 11, the ASR can be conveyed into the pyrolysis chamber 11 by opening the feeder 13, and the feeder 13 is closed when pyrolysis is carried out, so that the pyrolysis chamber 11 is kept in an oxygen-free environment. A feeder 14 communicates with the activation chamber 12, and an activating agent may be added to the activation chamber 12 via the feeder 14 to facilitate conversion of the solid residue into activated carbon. The first control valve 15 communicates the pyrolysis chamber 11 with the activation chamber 12, and the first control valve 15 can control the closing and communication of the pyrolysis chamber 11 with the activation chamber 12, and when communicating, the solid residue can enter the activation chamber 12 from the pyrolysis chamber 11 through the first control valve 15. The second control valve 16 is arranged in the activation chamber 12, and when the activation chamber 12 is activated to prepare the activated carbon, the second control valve 16 is closed; when the preparation of the activated carbon is completed, the second control valve 16 is opened to take out the activated carbon from the activation chamber 12.

The combustion apparatus 2 includes a burner 21, a pyrolysis gas pipe 22, a first flue gas pipe 23, and a second flue gas pipe 24. Wherein the pyrolysis gas pipe 22 is communicated with the pyrolysis chamber 11 and the burner 21, pyrolysis gas generated by ASR pyrolysis and gasified pyrolysis oil are conveyed into the burner 21 through the pyrolysis gas pipe 22 for combustion, and high-temperature flue gas generated by combustion is discharged through the first flue gas pipe 23 and the second flue gas pipe 24. The first flue gas pipe 23 is communicated with the combustor 21 and the activation chamber 12, and introduces a part of high-temperature flue gas into the activation chamber 12 to provide heat for activated carbon preparation through activation. The second flue gas pipe 24 is communicated with the steam generating device 3, and the other part of high-temperature flue gas is used for heating water to generate steam.

The steam generating device 3 comprises a steam generator 31 and a steam pipe 32, the second flue gas pipe 24 is communicated with the burner 21 and the steam generator 31 and is used for inputting high-temperature flue gas into the steam generator 31, and the steam pipe 32 is communicated with the steam generator 31 and the activation chamber 12 and is used for introducing generated steam into the activation chamber 12 to prepare activated carbon.

ASR decomposes by anaerobic heating in the pyrolysis chamber 11 to produce pyrolysis gas, pyrolysis oil and solid residue. Pyrolysis gas and gasified pyrolysis oil are conveyed to the combustor 21 through the pyrolysis gas pipe 22 to be combusted to generate high-temperature flue gas, one part of the high-temperature flue gas is conveyed to the activation chamber 12 through the first flue gas pipe 23, the other part of the high-temperature flue gas is conveyed to the steam generator 31 through the second flue gas pipe 24 to be used for heating water to generate steam, and the steam is also conveyed to the activation chamber 12 through the steam pipe 32. The solid residue enters the activation chamber 12 through the first control valve 15, and is converted into activated carbon by the heat provided by the high-temperature flue gas under the action of the activating agent and the water vapor.

This equipment goes on ASR's pyrolysis and activated carbon's preparation in same device, need not to reactivate the preparation after the cooling, and the heat among the activation process derives from the burning of the pyrolysis gas that the pyrolysis process produced to lower energy consumption is the ASR conversion for activated carbon, and energy utilization is efficient.

In some embodiments, the reaction tower 1 further comprises a drying chamber 17 and a third control valve 18, the drying chamber 17 is used for pre-drying the ASR, and the drying chamber 17 is communicated with the pyrolysis chamber 11 through the third control valve 18. After the drying is finished, the third control valve 18 is opened, and the dried ASR is conveyed into the pyrolysis chamber 11 for pyrolysis. In these embodiments, the feeder 13 is disposed in the drying chamber 17 for feeding ASR into the drying chamber 17, and pyrolysis is performed after drying.

In some embodiments, the reaction column 1 further comprises a collection chamber 19, and the activation chamber 12 communicates with the collection chamber 19 through the second control valve 16. The activated carbon prepared in the activation chamber 12 enters the collection chamber 19 through the second control valve 16 to be collected, and is taken out after a certain amount is collected. The activation chamber 12 also has an exhaust hole 121 for discharging exhaust gas when the activated carbon is produced.

In the preferred embodiment, the drying chamber 17, pyrolysis chamber 11, activation chamber 12 and collection chamber 19 are arranged longitudinally from top to bottom. After the control valve is opened, the dried ASR can automatically fall into the pyrolysis chamber 11 from the drying chamber 17 under the action of gravity, the solid residues after pyrolysis can automatically fall into the activation chamber 12 from the pyrolysis chamber 11, and the prepared activated carbon can automatically fall into the collection chamber 19 from the activation chamber 12. An additional material conveying mechanism is not required to be arranged, so that the structure of the equipment is simplified.

In some embodiments, the first control valve 15 includes a support plate 151, a downer 152, and a telescoping mechanism (not shown). The supporting plate 151 has a plurality of discharging holes, each discharging device 152 is correspondingly inserted into the discharging holes one by one to seal the discharging holes, and the telescopic mechanism is connected with the discharging device 152 in a transmission manner to drive the discharging device 152 to be inserted into or separated from the discharging holes. The telescopic mechanism can adopt an electric push rod subjected to high-temperature-resistant optimization treatment, and can also adopt other equipment, so that the function of driving the feeder 152 to move can be realized. The blanking member 152 closes the blanking aperture when connected thereto, and when the blanking member 152 is separated therefrom, the material can pass through the blanking aperture from top to bottom. In other embodiments, the first control valve 15 may have other structures as long as the opening and closing function is achieved.

In some embodiments, the second control valve 16, the third control valve 18 are identical in construction to the first control valve 15. In other embodiments, the second control valve 16 and the third control valve 18 may have different structures from the first control valve 15 as long as the opening and closing functions can be achieved.

In some embodiments, the combustion apparatus 2 further includes a blower 25 and an air pipe 26, an air outlet end of the blower 25 is communicated with the burner 21 through the air pipe 26, and more air is blown into the burner 21 through the blower 25, so that the pyrolysis gas and the gasified pyrolysis oil are more fully combusted, and toxic and harmful substances generated due to incomplete combustion are reduced.

Upon testing, applicants have discovered that the pyrolysis oil and pyrolysis gas produced by ASR in a pyrolysis process, if completely combusted, generate more heat than is required to convert the solid residue to activated carbon. Therefore, in a preferred embodiment, the apparatus further comprises a pyrolysis gas treatment device 4, the pyrolysis gas treatment device 4 comprises a condenser 41 communicated with the pyrolysis gas pipe 22, a part of gas in the pyrolysis gas pipe 22 is introduced into the condenser 41 for condensation treatment, and the gasified pyrolysis oil can be condensed and liquefied again. In a preferred embodiment, the pyrolysis gas treatment apparatus 4 further comprises a gas collector 42 in communication with the condenser 41. After condensation treatment by the condenser 41, the gasified pyrolysis oil is condensed, the remainder is pyrolysis gas, and the pyrolysis gas is collected by the gas collector 42 for other use. Gas collector 42 may be a gas cabinet, cylinder, tank, or the like. By guiding part of the gas in a part of the pyrolysis gas pipe 22 into the pyrolysis gas processing device 4 for collection, all pyrolysis gas and pyrolysis oil are prevented from entering the combustor 21 for combustion, and waste is avoided.

The utility model provides an equipment for ASR pyrolysis coupling preparation active carbon carries out scrapped automobile residue promptly ASR's pyrolysis and the preparation of active carbon in same device promptly the reaction tower, need not the reactivation preparation after the cooling to the heat among the activation process derives from the burning of the pyrolysis gas that the pyrolysis process produced, converts ASR for the active carbon with lower energy consumption, and energy utilization efficiency is high.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. An apparatus for preparing activated carbon by ASR pyrolysis coupling, which is characterized by comprising: the reaction tower comprises a pyrolysis chamber for pyrolyzing ASR, an activation chamber for preparing activated carbon, a feeder, a first control valve and a second control valve, wherein the feeder is communicated with the pyrolysis chamber, the feeder is communicated with the activation chamber, the first control valve is communicated with the pyrolysis chamber and the activation chamber, and the second control valve is arranged in the activation chamber; the combustion device comprises a combustor, a pyrolysis gas pipe, a first flue gas pipe and a second flue gas pipe, the pyrolysis gas pipe is communicated with the pyrolysis chamber and the combustor, and the first flue gas pipe is communicated with the combustor and the activation chamber; the steam generating device comprises a steam generator and a steam pipe, the second flue gas pipe is communicated with the burner and the steam generator, and the steam pipe is communicated with the steam generator and the activation chamber.

2. The apparatus of claim 1, wherein the reaction tower further comprises a drying chamber and a third control valve, the third control valve is in communication with the drying chamber and the pyrolysis chamber, and the feeder is in communication with the drying chamber.

3. The apparatus for ASR pyrolytic coupling of activated carbon according to claim 2, wherein the reaction column further comprises a collection chamber, the second control valve communicating the collection chamber and the activation chamber.

4. The apparatus for ASR pyrolytic coupling of activated carbon according to claim 3, wherein the drying chamber, the pyrolysis chamber, the activation chamber and the collection chamber are arranged longitudinally in sequence from top to bottom.

5. The equipment for preparing activated carbon by coupling ASR pyrolysis according to claim 4, wherein the first control valve comprises a supporting plate, a plurality of blanking devices and a telescoping mechanism, the supporting plate is provided with a plurality of blanking holes, the plurality of blanking devices are matched and inserted with the blanking holes in a one-to-one correspondence manner so as to seal the blanking holes, and the telescoping mechanism is in transmission connection with the blanking devices so as to drive the blanking devices to be inserted into or separated from the blanking holes.

6. The apparatus for ASR pyrolytic coupling of activated carbon according to claim 5, wherein the second control valve, the third control valve are identical in structure to the first control valve.

7. The apparatus according to claim 1, wherein the combustion device further comprises a blower and an air pipe, and an air outlet of the blower communicates with the burner through the air pipe to input air into the burner.

8. The apparatus for ASR pyrolytic coupling activated carbon production according to claim 1, further comprising a pyrolysis gas processing unit comprising a condenser in communication with the pyrolysis gas tube for condensing at least part of the pyrolysis gas.

9. The apparatus according to claim 8, wherein the pyrolysis gas treatment device further comprises a gas collector in communication with the condenser.

10. The apparatus for ASR pyrolytic coupling of activated carbon according to claim 1, wherein the activation chamber further has a vent.

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