CN215102010U - Active carbon production system - Google Patents

Abstract

An active carbon production system, including carbonization furnace, discharging conveyor, cooling furnace, storage tank, shale shaker, activation furnace, the inclination of carbonization furnace sets up, the unloading end of discharging conveyor carries the material to the stove tail of cooling furnace, the inclination of cooling furnace sets up, the discharge end of lifting machine lies in the pan feeding mouth top of storage tank, the discharge gate of storage tank lies in the top of shale shaker, the shale shaker sets up the material export, the activation furnace sets up at the shale shaker back end process, in order to the material activation treatment after the shale shaker separation, still set up the combustion chamber on one side of the furnace end of carbonization furnace, still set up the collection petticoat pipe above discharging conveyor, set up the intercommunication pipeline between collection petticoat pipe and flue gas pipeline entry, in order to carry the flue gas backward flow to carbonization furnace, the carbonization furnace includes furnace body, furnace end cover, furnace tail end cover, the utility model discloses an additional collection petticoat pipe is installed to discharging conveyor, not only has solved the problem of leaking the polluted environment, and the calorific value of the substances is recycled, so that the additional value is increased.

Description

Active carbon production system

Technical Field

The utility model relates to an active carbon prepares technical field, especially relates to an active carbon production system.

Background

The preparation of the active carbon mainly comprises the important processes of mixing, molding, carbonizing and activating. And in the carbonization process, ash and volatile matters in the carbon strip are calcined and discharged at high temperature, so that the content of impurities in the carbon strip is reduced, and a foundation is laid for opening micropores in the next activation process. The temperature in the carbonization furnace is 700 ℃, after the high-temperature smoke carbonizes the material, the carbonized material can volatilize to generate yellow smoke, the smoke leakage can cause environmental pollution, and the additional capacity of the smoke leakage can not be reused.

Disclosure of Invention

There is a need for an activated carbon production system.

An active carbon production system comprises a carbonization furnace, a discharge conveyor, a cooling furnace, a storage tank, a vibrating screen and an activation furnace, wherein the carbonization furnace is obliquely arranged, the height of a furnace head of the carbonization furnace is lower than that of a furnace tail of the carbonization furnace, the end part of the furnace tail of the carbonization furnace is used for adding materials and discharging smoke, the end part of the furnace head of the carbonization furnace is used for introducing high-temperature smoke and discharging carbonized materials, the furnace head is provided with a blanking pipe used for discharging the carbonized materials, the blanking pipe is arranged above the discharge conveyor, the blanking end of the discharge conveyor conveys the materials to the furnace tail of the cooling furnace, the cooling furnace is obliquely arranged, the end part of the furnace tail of the cooling furnace is used for feeding the carbonized materials, the end of the furnace head is used for discharging the cooling materials, the end of the furnace head of the cooling furnace is provided with a lifting machine, the discharge end of the lifting machine is arranged above a feed inlet of the storage tank, a discharge outlet of the vibrating screen is arranged above the vibrating screen, the activation furnace is arranged at the rear section of the vibrating screen, the material after being separated by the vibrating screen is activated, a combustion chamber is arranged on one side of a furnace head of the carbonization furnace and used for providing high-temperature smoke gas required by carbonization, a high-temperature smoke gas outlet of the combustion chamber is connected with a smoke gas pipeline inlet of the carbonization furnace, a smoke collecting hood is arranged above the discharging conveyor and used for collecting the smoke gas discharged above the discharging conveyor, a communicating pipeline is arranged between the smoke collecting hood and the smoke gas pipeline inlet to convey the smoke gas back into the carbonization furnace, the carbonization furnace comprises a furnace body, a furnace head end cover and a furnace tail end cover, the furnace body is a hollow revolving body, the furnace head end cover covers one end of the furnace body, the furnace head end cover is in sealed rolling connection with the furnace body, a discharging pipe and the smoke gas pipeline inlet are arranged on the furnace head end cover, the furnace tail end cover covers the other end of the furnace body, the furnace tail end cover is in sealed rolling connection with the furnace body, the material inlet and the smoke gas outlet are arranged on the furnace tail end cover, the furnace body includes steel structure layer, heat preservation, the flame retardant coating that sets gradually from the extroversion in, sets up a plurality of partition boards on the flame retardant coating inner wall, the partition board is the discrete independent board that sets up along retort radial direction, and in retort radial direction, do not connect to between the adjacent partition board, form radial clearance, at retort axial direction, the setting is inserted to adjacent partition board shoulder, forms the axial passageway of buckling, and the height of partition board is not more than retort radial 1/3.

The utility model discloses a give material conveyer installs collection petticoat pipe additional, collects the flue gas to the retort burning utilization is sent into to the secondary, has not only solved the problem of leaking the polluted environment, and the calorific value of these materials is by reutilization, increases the added value moreover.

Drawings

Fig. 1 is a schematic structural diagram of the system.

FIG. 2 is a schematic view of a structure of a carbonization furnace.

FIG. 3 is a schematic view of the radial inside structure of the carbonization furnace.

In the figure: the device comprises a carbonization furnace 10, a furnace body 11, a steel structure layer 111, a heat insulation layer 112, a fire-resistant layer 113, a furnace end cover 12, a furnace tail end cover 13, a blanking pipe 14, a flue gas pipeline inlet 15, a partition plate 16, a rib plate 161, a protective layer 162, a radial gap 17, a material turning plate 18, a tail gas discharge pipeline 19, a discharging conveyor 20, a smoke collecting hood 21, a communicating pipeline 22, a cooling furnace 30, a lifting machine 31, a material blocking plate 32, a jacket layer 33, a storage tank 40, a vibrating screen 50, a bag-type dust remover 60, a combustion chamber 70, a chimney pipeline 71, an activation furnace 80, a cyclone dust remover 90, a desulfurization tower 100 and a waste heat boiler 110.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1-3, an embodiment of the present invention provides an activated carbon production system, including a carbonization furnace 10, a discharge conveyor 20, a cooling furnace 30, a storage tank 40, a vibrating screen 50, and an activation furnace 80, wherein the carbonization furnace 10 is obliquely arranged, a height of a furnace end of the carbonization furnace 10 is lower than a height of a furnace end of the carbonization furnace 10, a furnace end portion of the carbonization furnace 10 is used for adding a material and discharging a flue gas, a furnace end portion of the carbonization furnace 10 is used for introducing a high temperature flue gas and discharging a carbonized material, a furnace end is provided with a discharging pipe 14 for discharging the carbonized material, the discharging pipe 14 is arranged above the discharge conveyor 20, the discharging end of the discharge conveyor 20 conveys the material to a furnace end of the cooling furnace 30, the cooling furnace 30 is obliquely arranged, the furnace end of the cooling furnace 30 is used for feeding the carbonized material, the furnace end is used for discharging the cooled material, the furnace end of the cooling furnace 30 is provided with an elevator 31, a discharging end of the elevator 31 is located above a feeding port of the storage tank 40, the discharge port of the storage tank 40 is located above the vibrating screen 50, the vibrating screen 50 is provided with a material outlet, the activating furnace 80 is arranged in the rear process of the vibrating screen 50 to activate the material separated by the vibrating screen 50, a combustion chamber 70 is further arranged on one side of the furnace head of the carbonization furnace 10, the combustion chamber 70 is used for providing high-temperature flue gas required by carbonization (the combustion chamber 70 is in the prior art, fuel such as coal, fuel gas and the like can be generally combusted in the combustion chamber 70, and a large amount of heat can be generated), the high-temperature flue gas outlet of the combustion chamber 70 is connected with the flue gas pipeline inlet 15 of the carbonization furnace 10, a smoke collecting hood 21 is further arranged above the discharging conveyor 20 and is used for collecting flue gas discharged above the discharging conveyor 20, a communication pipeline 22 is arranged between the smoke collecting hood 21 and the flue gas pipeline inlet 15 to convey the flue gas back into the carbonization furnace 10, the carbonization furnace 10 comprises a furnace body 11, a furnace head end cover 12, A furnace tail end cover 13, the furnace body 11 is a hollow revolving body, the furnace head end cover 12 covers one end of the furnace body 11, and the furnace head end cover 12 and the furnace body 11 are connected in a sealed rolling way (this belongs to the prior art, for example, the connection of the two can adopt the existing labyrinth type, sealing strip and other forms, certainly not limited to this, as long as the relative rolling connection of the two can be realized, and the sealing is only needed, a rolling ring is arranged outside the furnace body 11, and is driven to rotate by external drive, so as to realize the purposes of fixing the furnace head end cover 12 and the furnace tail end cover 13, and relative rotation of the furnace body 11), a feeding pipe 14 and a flue gas pipeline inlet 15 are arranged on the furnace head end cover 12, the furnace tail end cover 13 covers the other end of the furnace body 11, and the furnace tail end cover 13 and the furnace body 11 are connected in a sealed rolling way (the connection of the two can be the same as the connection way between the furnace head end cover 12 and the furnace body 11), a material inlet and a flue gas outlet are arranged on the furnace tail end cover 13, furnace body 11 includes steel structure layer 111, heat preservation 112, flame retardant coating 113 that sets gradually from the outside inwards, sets up a plurality of partition boards 16 on the 113 inner walls of flame retardant coating, partition board 16 is the discrete independent board that sets up along retort 10 radial direction, in retort 10 radial direction, does not connect with each other between the adjacent partition board 16, forms radial clearance 17, and at retort 10 axial direction, adjacent partition board 16 inserts the shoulder setting, forms the axial passageway of buckling, and partition board 16 highly is not more than retort 10 radial 1/3.

The discharging conveyor 20 is used for receiving carbonized materials output by the carbonization furnace 10, yellow smoke discharged along with the carbonized materials becomes an important pollution source of workshop production, and by detecting that the yellow smoke contains a large amount of combustible substances, the main components of the yellow smoke are benzopyrene, sulfur dioxide and nitrogen oxide, the emission or leakage of the substances can not only cause environmental pollution, but also cause resource waste, so that the scheme carries out secondary utilization of the yellow smoke and sends the yellow smoke and high-temperature smoke into the carbonization furnace 10 to be utilized by secondary combustion, the problem of environment pollution caused by leakage is solved, and the heat values of the substances are secondarily utilized to increase the added value.

In order to ensure that the materials in the carbonization furnace 10 move from the furnace tail to the furnace head, the furnace body 11 is arranged as an inclined furnace body 11, but meanwhile, the speed of the materials moving from high to low is uncontrollable in the rotating process of the inclined furnace body 11, so that the carbonization time is uncontrollable, the conversation time is too short, and the ash content and the volatile content in the materials cannot meet the technological requirements. So set up partition panel 16 for block the speed that the material flows to the low department, set up radial clearance 17 between the adjacent partition panel 16 simultaneously, supply the material to flow through, the setting of axial bending channel makes the material flow to the furnace end, along the S type of buckling and flows, not only reduces flow velocity, can also increase its area with the contact of high temperature flue gas.

The carbonization time needs to meet the process requirements, the partition plate 16 can play a role in blocking the flow velocity of the material, and the flow velocity needs to be accelerated, so that the rotation speed of the furnace body 11 is accelerated to realize the carbonization.

Further, the partition plate 16 includes a rib plate 161 and a protective layer 162, and the protective layer 162 is wrapped outside the rib plate 161. The temperature in the carbonization furnace 10 is distributed in a gradient manner, the temperature near the furnace end is 700-750 ℃, the temperature in the furnace is 500-650 ℃, and the temperature near the furnace end is 350-450 ℃, so the temperature near the furnace end is the highest, the partition plate 16 in the furnace body 11 is usually made of metal materials, the partition plate 16 is easily burnt due to long-term high temperature bearing, and the partition plate 16 falls into the carbonization material after being burnt to form impurities, so in the scheme, in order to prolong the service life of the partition plate 16, the protective layer 162 is arranged, and the protective layer 162 is made of refractory materials, such as a refractory layer 113 or a high-temperature-resistant coating layer is coated. The rib plate 161 adopts the steel structure layer 111 for increasing the strength thereof, and the protective layer 162 isolates the high-temperature material from the rib plate 161, so that the service life of the rib plate is prolonged. Compared with the rib plate 161 which only adopts the rib plate, the strength of the partition plate 16 meets the requirement, but the service life of the partition plate is shorter, and the partition plate 16 which is made of the refractory material is only adopted, although the high-temperature resistance performance is good, the strength of the partition plate is lower, and the partition plate is easy to damage, so that the combination of the rib plate and the partition plate is a better scheme.

Further, a plurality of material turning plates 18 are arranged on the inner wall of the fire-resistant layer 113, and the material turning plates 18 are arranged along the axial direction of the carbonization furnace 10. At the in-process that the material removed to the furnace end, when furnace body 11 rotated, material turning plate 18 drove the material and promoted along furnace body 11 inner wall, when 18 downward sloping to material turning plate, emptys downwards through the material, has realized the promotion and the upset of material, and the stirring and the upset of increase material in furnace body 11 inside avoid the material to concentrate the extreme low position that falls at furnace body 11 always, make material and high temperature flue gas contact surface little, the insufficient problem of contact.

Further, a dust collection cover is arranged above the storage tank 40 and the vibrating screen 50 and is connected with a bag-type dust collector 60 through a pipeline. In the process of falling on the storage tank 40 after being lifted by the lifter 31 and in the process of vibrating the vibrating screen 50, a large amount of dust is easily generated, so the storage tank 40 and the vibrating screen 50 are sealed at the top, and a dust collection cover is arranged for collecting the dust.

Further, cooling furnace 30 includes the furnace body, the furnace end cover, the stove tail end cover, the furnace body is the hollow solid of revolution, furnace end cover lid fits furnace body one end, and sealed roll connection between furnace end cover and the furnace body, the stove tail end cover lid fits the furnace body other end, and sealed roll connection between stove tail end cover and the furnace body, set up material stopping plate 32 in the furnace body is inside, material stopping plate 32 is the discrete independent board that sets up along the radial direction of cooling furnace 30, in the radial direction of cooling furnace 30, do not connect between the adjacent material stopping plate 32, at the 30 axial direction of cooling furnace, the setting of shoulder is inserted to adjacent material stopping plate 32, the furnace body outer wall of cooling furnace 30 sets up double-layered jacket layer 33, the inside recirculated cooling water that lets in of double-layered jacket layer 33. In a preferred embodiment, the head end cover, the tail end cover and the baffle plate 32 of the cooling furnace 30 are the same as those of the carbonization furnace 10.

Further, the discharging conveyor 20 is a chain scraper.

Further, the combustion chamber 70 is further provided with a chimney pipe 71, the chimney pipe 71 is used for discharging tail gas and ash in the combustion chamber 70, the tail gas discharge pipe 19 is further arranged at the tail end of the carbonization furnace 10, the system further comprises a cyclone dust collector 90 and a desulfurization tower 100, the tail gas discharge pipe 19 and the chimney pipe 71 are connected in parallel and then connected with an inlet of the cyclone dust collector 90, and a light outlet of the cyclone dust collector 90 is connected with the desulfurization tower 100.

The tail gas discharged from the carbonization furnace 10 contains dust such as ash and volatile matters and sulfur-containing gas, and is collected through the tail gas discharge pipeline 19 and the chimney pipeline 71, the dust is removed through the cyclone dust collector 90, and the sulfur-containing substances are removed through alkaline water absorption of the desulfurizing tower 100, so that the environmental pollution caused by discharge is avoided.

Further, a waste heat boiler 110 is further arranged on the tail gas exhaust pipeline 19, and the waste heat boiler 110 and the tail gas exhaust pipeline 19 are respectively provided with a control valve. The temperature of the flue gas discharged from the carbonization furnace 10 reaches 300 ℃, and in order to recycle the heat therein, the flue gas can be firstly sent into the waste heat boiler 110 for heat exchange to form steam, thereby increasing the additional capacity of the production line.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

The above disclosure is only illustrative of the preferred embodiments of the present invention, which should not be taken as limiting the scope of the invention, but rather the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It will be understood by those skilled in the art that all or part of the above-described embodiments may be implemented and equivalents thereof may be made to the claims of the present invention while remaining within the scope of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. An active carbon production system which characterized in that: the device comprises a carbonization furnace, a discharge conveyor, a cooling furnace, a storage tank, a vibrating screen and an activation furnace, wherein the carbonization furnace is obliquely arranged, the height of a furnace head of the carbonization furnace is lower than that of a furnace tail of the carbonization furnace, the end part of the furnace tail of the carbonization furnace is used for adding materials and discharging smoke, the end part of the furnace head of the carbonization furnace is used for introducing high-temperature smoke and discharging carbonized materials, a blanking pipe is arranged at the furnace head and used for discharging the carbonized materials, the blanking pipe is arranged above the discharge conveyor, the blanking end of the discharge conveyor conveys the materials to the furnace tail of the cooling furnace, the cooling furnace is obliquely arranged, the end part of the furnace tail of the cooling furnace is used for feeding the carbonized materials, the furnace head end is used for discharging the cooled materials, an elevator is arranged at the furnace head end of the cooling furnace, the discharge end of the elevator is arranged above a feeding port of the storage tank, a discharge port of the storage tank is arranged above the vibrating screen, a material outlet is arranged at the vibrating screen, the activation furnace is arranged at the rear section of the vibrating screen, the material after being separated by the vibrating screen is activated, a combustion chamber is arranged on one side of a furnace head of the carbonization furnace and used for providing high-temperature smoke gas required by carbonization, a high-temperature smoke gas outlet of the combustion chamber is connected with a smoke gas pipeline inlet of the carbonization furnace, a smoke collecting hood is arranged above the discharging conveyor and used for collecting the smoke gas discharged above the discharging conveyor, a communicating pipeline is arranged between the smoke collecting hood and the smoke gas pipeline inlet to convey the smoke gas back into the carbonization furnace, the carbonization furnace comprises a furnace body, a furnace head end cover and a furnace tail end cover, the furnace body is a hollow revolving body, the furnace head end cover covers one end of the furnace body, the furnace head end cover is in sealed rolling connection with the furnace body, a discharging pipe and the smoke gas pipeline inlet are arranged on the furnace head end cover, the furnace tail end cover covers the other end of the furnace body, the furnace tail end cover is in sealed rolling connection with the furnace body, the material inlet and the smoke gas outlet are arranged on the furnace tail end cover, the furnace body includes steel structure layer, heat preservation, the flame retardant coating that sets gradually from the extroversion in, sets up a plurality of partition boards on the flame retardant coating inner wall, the partition board is the discrete independent board that sets up along retort radial direction, and in retort radial direction, do not connect to between the adjacent partition board, form radial clearance, at retort axial direction, the setting is inserted to adjacent partition board shoulder, forms the axial passageway of buckling, and the height of partition board is not more than retort radial 1/3.

2. The activated carbon production system of claim 1, wherein: the partition plate comprises a rib plate and a protective layer, and the protective layer is wrapped outside the rib plate.

3. The activated carbon production system of claim 2, wherein: still set up a plurality of material turning plates on the flame retardant coating inner wall, the material turning plate sets up along retort axial direction.

4. The activated carbon production system of claim 3, wherein: and a dust collection cover is arranged above the storage tank and the vibrating screen and is connected with a bag-type dust collector through a pipeline.

5. The activated carbon production system of claim 4, wherein: the cooling furnace includes the furnace body, the furnace end cover, the stove tail end cover, the furnace body is the hollow solid of revolution, furnace end cover lid fits furnace body one end, and sealed roll connection between furnace end cover and the furnace body, the stove tail end cover lid fits the furnace body other end, and sealed roll connection between stove tail end cover and the furnace body, set up the flitch in the furnace body inside, the flitch is the discrete independent board that sets up along the radial direction of cooling furnace, in the radial direction of cooling furnace, do not connect between the adjacent flitch, at cooling furnace axial direction, the setting of shoulder is inserted to adjacent flitch, the furnace body outer wall of cooling furnace sets up the jacket layer, the inside recirculated cooling water that lets in of jacket layer.

6. The activated carbon production system of claim 1, wherein: the discharging conveyor is a chain type scraper conveyor.

7. The activated carbon production system of claim 1, wherein: the combustion chamber still sets up the chimney pipeline, and the chimney pipeline is used for discharging tail gas and ash content in the combustion chamber, still sets up the tail gas exhaust duct at retort furnace tail end, the system still includes cyclone, desulfurizing tower, and tail gas exhaust duct and chimney pipeline are parallelly connected back and cyclone entry linkage, and cyclone's light exit linkage desulfurizing tower.

8. The activated carbon production system of claim 1, wherein: and a waste heat boiler is arranged on the tail gas exhaust pipeline, and the waste heat boiler and the tail gas exhaust pipeline are respectively provided with a control valve.

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