CN211847164U - Activated carbon production equipment - Google Patents
Activated carbon production equipment Download PDFInfo
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- CN211847164U CN211847164U CN202020204594.9U CN202020204594U CN211847164U CN 211847164 U CN211847164 U CN 211847164U CN 202020204594 U CN202020204594 U CN 202020204594U CN 211847164 U CN211847164 U CN 211847164U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses an active carbon production facility relates to active carbon production technical field, including retort, burning furnace and activation furnace, retort's tail gas gets into to burn burning furnace fully burning, burns burning furnace's flue gas part and gets into retort, part entering boiler, and the steam pipe of boiler links to each other with activation furnace, is equipped with tail gas recovery device on the steam pipe, and activation furnace's tail gas pipe passes through the branch pipe and links to each other with tail gas recovery device. The utility model can make a large amount of volatile gas separated out in the carbonization process enter the incinerator for full combustion, and the high-temperature gas burnt by the incinerator returns to the carbonization furnace to provide heat for the carbonization of the material; part of the flue gas of the incinerator provides heat for the boiler; partial tail gas of the activation furnace is mixed with the boiler steam by the aid of the tail gas recovery device, the steam pressure of the boiler is reduced, simultaneously, the waste heat of the tail gas can be recycled, high-temperature steam required by material activation is provided for the activation furnace, energy consumption of the activation furnace is reduced, and steam consumption is also saved.
Description
Technical Field
The utility model relates to an active carbon production technical field especially relates to an active carbon production facility.
Background
Currently, with the rapid development of technology, the demand for activated carbon is increasing, and along with this, the activated carbon industry is rapidly developing. The production process of the activated carbon comprises the following steps: plant raw materials such as shells, rice husks and wood are carbonized by a carbonization furnace and then enter an activation furnace, charcoal in the activation furnace is contacted with high-temperature water vapor to carry out oxidation-reduction reaction to obtain activation, and the purpose of forming holes in carbon particles is achieved through gasification reaction (loss of ignition) of the carbon, so that the activated carbon is obtained. Among the prior art, the retort needs to provide the heat source through the gas furnace, and the required high temperature vapor of activation furnace also needs large-scale boiler to provide, and contains a large amount of volatile matter material and harmful substance in the exhaust tail gas of retort, contains a large amount of heats in the tail gas of activation furnace simultaneously, if obtain effective processing, directly discharges into the atmosphere and can cause environmental pollution, also can cause thermal waste simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide an active carbon production facility, can effectively improve heat utilization rate, reduce energy resource consumption and environmental pollution.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
the utility model provides an active carbon production facility, includes retort, burns burning furnace and activation furnace, retort's tail gas discharge pipe links to each other with the air intake of burning furnace, burn burning furnace's the pipe of discharging fume and link to each other with retort's flue and boiler's day wind inlet respectively, the steam pipe of boiler links to each other with activation furnace, be equipped with tail gas recovery device on the steam pipe, activation furnace's tail gas pipe passes through the branch pipe and links to each other with tail gas recovery device.
Preferably, a condenser is arranged between the carbonization furnace and the incinerator, a tail gas discharge pipe of the carbonization furnace is connected with an inlet of the condenser, and a gas outlet of the condenser is connected with a gas inlet of the incinerator; the condenser is internally provided with a tube array communicated with a water pipe, the water outlet of the tube array is connected with the water inlet of the boiler, and the water pipe is provided with a valve.
Preferably, the bottom of the condenser is connected with the oil collecting tank through a drain pipe, and the air outlet of the condenser is connected with the incinerator and the chimney through an induced draft fan.
Preferably, the carbonization furnace comprises a hollow furnace box, a flue communicated with the incinerator is arranged at the bottom of the furnace box, a plurality of layers of fire tubes are arranged in the inner cavity of the furnace box from top to bottom, an upper fire channel and a lower fire channel are respectively arranged at two ends of the furnace box, the upper fire channel is connected with the flue, and two ends of the plurality of layers of fire tubes are respectively communicated with the upper fire channel and the lower fire channel in parallel; a furnace door is arranged on one side of the furnace box, and the inner side of the furnace door is close to the lower flame path; the export of flame way sets up in the stove bottom of the case down, the preceding lateral wall and/or the back lateral wall of stove case are equipped with the blast pipe, the tail gas delivery pipe at flame way export and stove top down is down linked to the blast pipe.
Preferably, the top of the downgoing flue is provided with a smoke tube connected with a chimney, and the smoke tube is provided with a valve.
Preferably, the inner wall of the furnace box is provided with a high-temperature fire-resistant layer, an interlayer connected with a water pipe is arranged between the side wall of the furnace box and the fire-resistant layer, a water outlet of the interlayer is connected with a water inlet of the boiler, and an inlet of the water pipe is provided with a valve.
Preferably, material supporting frames can be placed above the multilayer fire tubes of the furnace box, one ends of the material supporting frames are free ends, and the other ends of the material supporting frames are connected through a frame; the fire door comprises an outer fire door and an inner fire door, the lower fire channel is arranged between the outer fire door and the inner fire door, the frame is close to the inner fire door, and a plurality of through holes matched with the outlet ends of the fire tubes are formed in the frame and the inner fire door at intervals.
Preferably, the tail gas recovery device comprises a shell, a nozzle and a jet pipe, wherein the nozzle is arranged at the inlet end of the shell, the outlet of the shell is communicated with the jet pipe, the outlet of the nozzle faces to the inlet of the jet pipe, and an air pumping chamber is formed in the inner cavity of the shell and the outer area of the nozzle; the jet pipe is a conical pipe body with a large outlet and a small inlet, the outlet end of the shell is conical, and the inner diameter of the junction of the shell and the jet pipe is the smallest; the branch pipes are connected with the side wall of the shell.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model introduces the tail gas of the carbonization furnace into the incinerator, so that a large amount of volatile gas separated out in the carbonization process of the material can be fully combusted, and high-temperature gas generated by combustion in the incinerator returns to the carbonization furnace to provide heat for material carbonization; meanwhile, part of the flue gas of the incinerator provides heat for the boiler, and the steam generated by the boiler enters the activation furnace to provide high-temperature steam required by material activation; partial tail gas of the activation furnace can be mixed with high-temperature steam by the aid of the tail gas recovery device, so that the steam pressure can be reduced to the pressure required by the activation furnace, the waste heat of the tail gas can be recycled, the energy consumption of the activation furnace is reduced, and the steam consumption is also saved.
Drawings
FIG. 1 is a schematic flow chart of an activated carbon production facility according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a carbonization furnace in an embodiment of a smoke tube of the present invention;
FIG. 3 is a cross-sectional view of the rear side wall of the carbonization furnace of FIG. 1;
FIG. 4 is a schematic structural diagram of an embodiment of the tail gas recovery device of the present invention;
in the figure: 01-tail gas discharge pipe, 02-smoke discharge pipe, 03-flue, 04-steam pipe, 05-branch pipe and 06-water pipe; 1-tail gas recovery device, 2-oil collecting tank, 3-induced draft fan, 4-furnace box, 5-fire tube, 6-upward fire path, 7-downward fire path, 8-exhaust tube, 9-smoke tube, 10-fire-resistant layer, 11-interlayer, 12-outer furnace door, 13-inner furnace door, 14-shell, 15-nozzle, 16-jet pipe and 17-pressure regulating valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the utility model provides a pair of activated carbon production facility, include retort, burn burning furnace and activation furnace, retort's exhaust emission pipe 01 links to each other with the air intake of burning furnace, burn burning furnace's exhaust pipe 02 and link to each other with retort's flue 03 and the air intake of boiler respectively, the steam pipe 04 of boiler links to each other with activation furnace, be equipped with tail gas recovery device 1 on the steam pipe 04, activation furnace's exhaust pipe passes through branch pipe 05 and links to each other with tail gas recovery device 1. By utilizing the technical scheme, a large amount of volatile gas separated out in the carbonization process of the material enters the incinerator for full combustion, and high-temperature gas combusted by the incinerator returns to the carbonization furnace to provide heat for material carbonization; part of the flue gas of the incinerator provides heat for the boiler; partial tail gas of the activation furnace is mixed with the boiler steam by the aid of the tail gas recovery device, the steam pressure of the boiler is reduced, simultaneously, the waste heat of the tail gas can be recycled, high-temperature steam required by material activation is provided for the activation furnace, energy consumption of the activation furnace is reduced, and steam consumption is also saved.
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, a condenser is disposed between the carbonization furnace and the incinerator, the tail gas discharge pipe 01 of the carbonization furnace is connected to an inlet of the condenser, and a gas outlet of the condenser is connected to an air inlet of the incinerator; the condenser is internally provided with a tube array communicated with a water pipe 06, the water outlet of the tube array is connected with the water inlet of the boiler, and the water pipe is provided with a valve. When water needs to be added into the boiler, the water pipe can be opened, water flows through the tubes of the condenser to exchange heat with tail gas outside the condenser, the boiler water can be preheated, and energy consumption of the boiler is saved. In addition, in order to improve the heat exchange efficiency of the condenser, a plurality of fins can be arranged on the outer wall of the tube array.
In a specific embodiment of the utility model, as shown in fig. 2, the bottom of condenser is passed through the blow off pipe and is linked to each other with oil trap 2, the gas outlet of condenser is passed through draught fan 3 and is burnt burning furnace and chimney and link to each other. The gas-water separation is realized after the temperature of the flue gas is reduced in the condenser, the combustible gas such as pure water gas enters the incinerator for combustion through the pipeline, and the coal tar is discharged through the blow-off pipe after being precipitated and collected in the oil collecting tank.
In a preferred embodiment of the present invention, as shown in fig. 2, the carbonization furnace comprises a hollow furnace box 4, a flue 03 communicated with the incinerator is arranged at the bottom of the furnace box 4, the inner cavity of the furnace box 4 is provided with a plurality of layers of fire tubes 5 from top to bottom, two ends of the furnace box 4 are respectively provided with an upper fire channel 6 and a lower fire channel 7, the upper fire channel 6 is connected with the flue 03, and two ends of the plurality of layers of fire tubes 5 are respectively communicated with the upper fire channel 3 and the lower fire channel 7 in parallel; a furnace door is arranged on one side of the furnace box 4, and the inner side of the furnace door is close to the lower flame path 7; the export of lower flame path 7 sets up in stove case 4 bottom, the preceding lateral wall and/or the back lateral wall of stove case 4 are equipped with blast pipe 8, 7 exports of flame path and the tail gas discharge pipe 01 at stove case 4 top under the blast pipe 8 intercommunication. The high-temperature flue gas generated by the incinerator is about 900 ℃, the high-temperature flue gas returns to the carbonization furnace through the waste gas pipe and the flue, the flue gas enters each fire pipe through the upper fire flue, and the flue gas is discharged through the exhaust pipe after being converged in the lower fire flue. The structure utilizes a mixed heating mode of fire pipes and fire tubes to provide heat for material carbonization, so that the material in the oven box can be uniformly heated, and the carbonization efficiency is improved; meanwhile, the discharged flue gas contains a large amount of volatile gas separated out from the materials, and the volatile gas is returned to the carbonization furnace after being combusted by the incinerator, so that most harmful gas can be combusted, the environmental pollution is reduced, and the energy consumption is greatly saved.
When the carbonization of the materials is finished, the smoke in the furnace box needs to be emptied for rapid cooling, the top of the down flue 7 is provided with a smoke tube 9 connected with a chimney, and the smoke tube 9 is provided with a valve, so that the opening and closing of the smoke tube can be conveniently and flexibly controlled.
In a specific embodiment of the present invention, as shown in fig. 2 and 3, the inner wall of the furnace box 4 is provided with a high temperature refractory layer 10, an interlayer 11 connected with a water pipe is arranged between the side wall of the furnace box 4 and the refractory layer 10, a water outlet of the interlayer 11 is connected with a water inlet of the boiler, and an inlet of the water pipe is provided with a valve. By adopting the structure, after the carbonization of the material is finished, the water pipe is opened to lead water to the interlayer of the oven box, so that the rapid cooling of the carbonization oven is realized, and the purpose of rapidly cooling the charcoal is achieved.
The technical scheme is further optimized, in order to facilitate the material in and out of the carbonization furnace, material supporting frames (not shown in the figure) can be placed above the multilayer fire tubes 5 of the furnace box 4, one ends of the material supporting frames are free ends, and the other ends of the material supporting frames are connected through a frame; the furnace door comprises an outer furnace door 12 and an inner furnace door 13, the lower flame path 7 is arranged between the outer furnace door 12 and the inner furnace door 13, the frame is close to the inner furnace door 13, and a plurality of through holes matched with the outlet ends of the fire tubes 5 are arranged on the frame and the inner furnace door 13 at intervals. In addition, support pieces connected with the frame are arranged on two sides of the material supporting frame to support the material supporting frame, and the support pieces can enter and exit gaps above and below the fire tubes; in order to reduce the resistance of the material supporting frame in the in-and-out process, the bottom of the material supporting frame can be provided with rollers, so that the material can be conveniently and rapidly loaded and unloaded in the furnace box. During feeding, the material is placed on the material supporting frame, and the frame for fixing the material supporting frame is pushed into the furnace box by the aid of a forklift; after carbonization, the material is pulled out.
In a preferred embodiment of the present invention, as shown in fig. 4, the tail gas recovery device 1 includes a housing 14, a nozzle 15 and a jet pipe 16, the nozzle 15 is disposed at an inlet end of the housing 14, an outlet of the housing 14 is communicated with the jet pipe 16, an outlet of the nozzle 15 faces an inlet of the jet pipe 16, and an inner cavity of the housing 14 and an outer region of the nozzle 15 form an air-pumping chamber; the jet pipe 16 is a conical pipe body with a large outlet and a small inlet, the outlet end of the shell 14 is conical, and the inner diameter of the junction of the shell 14 and the jet pipe 16 is the smallest; the branch pipes 05 are connected to the side walls of the housing 14. The boiler with saturated steam output temperature of about 200 ℃ is utilized, the absolute pressure of the steam is up to 0.8-0.9MPa, and the pressure needs to be reduced to about 0.2MPa before entering the activation furnace. By adopting the structure, steam can be sprayed out through the nozzle, the steam passes through the air pumping chamber and then is injected into the jet pipe, air in the air pumping chamber is taken away, partial vacuum is formed outside the nozzle, and then low-pressure tail gas is sucked into the air pumping chamber through the branch pipe; then the tail gas and the steam are mixed in the air pumping chamber and the jet pipe, the steam speed is reduced and the tail gas speed is improved while heat exchange is carried out, the pressure of the mixed gas at the outlet of the jet pipe is reduced to 0.1-0.2MPa, and the requirement of the activation furnace is met; meanwhile, the tail gas of the activation furnace is recycled, the tail gas emission is reduced, the subsequent tail gas treatment capacity is reduced, and the environmental pollution is reduced. Because the temperature of the tail gas of the activation furnace is about 300 ℃, the temperature of the steam entering the activation furnace can be further improved through the tail gas recovery device, and the heat required by the activation furnace can be met without being input into large-scale boiler equipment.
In one embodiment of the present invention, as shown in fig. 1, a pressure regulating valve 17 is disposed on the steam pipe between the jet pipe 16 and the activation furnace. The pressure regulating valve can accurately regulate the steam pressure entering the activation furnace, so that the safe operation of the activation furnace is ensured.
In summary, the utility model has the advantages of energy saving, consumption reduction and high heat energy utilization rate, and can fully burn the combustible gas in the smoke discharged by the carbonization furnace by means of the incinerator, thereby reducing the environmental pollution; the boiler inlet water can be preheated by utilizing the condenser and the interlayer in the boiler box, so that the energy consumption of the boiler is reduced; meanwhile, the tail gas recovery device can be used for recovering and recycling the tail gas of the activation furnace, so that the heat utilization rate of the tail gas is improved, the energy consumption of the boiler is further reduced, the production cost is further reduced, and the environmental pollution is also reduced.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. An active carbon production facility which characterized in that: the waste gas recovery device comprises a carbonization furnace, an incinerator and an activation furnace, wherein a tail gas discharge pipe of the carbonization furnace is connected with an air inlet of the incinerator, a smoke discharge pipe of the incinerator is respectively connected with a flue of the carbonization furnace and an air intake of a boiler, a steam pipe of the boiler is connected with the activation furnace, a tail gas recovery device is arranged on the steam pipe, and a tail gas pipe of the activation furnace is connected with the tail gas recovery device through a branch pipe.
2. The activated carbon production apparatus according to claim 1, characterized in that: a condenser is arranged between the carbonization furnace and the incinerator, a tail gas discharge pipe of the carbonization furnace is connected with an inlet of the condenser, and a gas outlet of the condenser is connected with a gas inlet of the incinerator; the condenser is internally provided with a tube array communicated with a water pipe, the water outlet of the tube array is connected with the water inlet of the boiler, and the water pipe is provided with a valve.
3. The activated carbon production apparatus according to claim 2, characterized in that: the bottom of the condenser is connected with the oil collecting tank through a blow-off pipe, and the gas outlet of the condenser is connected with the incinerator and the chimney through the induced draft fan.
4. The activated carbon production apparatus according to claim 1, characterized in that: the carbonization furnace comprises a hollow furnace box, a flue communicated with the incinerator is arranged at the bottom of the furnace box, a plurality of layers of fire tubes are arranged in the inner cavity of the furnace box from top to bottom, an upper fire channel and a lower fire channel are respectively arranged at two ends of the furnace box, the upper fire channel is connected with the flue, and two ends of the plurality of layers of fire tubes are respectively communicated with the upper fire channel and the lower fire channel in parallel; a furnace door is arranged on one side of the furnace box, and the inner side of the furnace door is close to the lower flame path; the export of flame way sets up in the stove bottom of the case down, the preceding lateral wall and/or the back lateral wall of stove case are equipped with the blast pipe, the tail gas delivery pipe at flame way export and stove top down is down linked to the blast pipe.
5. The activated carbon production apparatus according to claim 4, characterized in that: and a smoke pipe connected with a chimney is arranged at the top of the down flame path, and a valve is arranged on the smoke pipe.
6. The activated carbon production apparatus according to claim 4, characterized in that: the inner wall of the furnace box is provided with a high-temperature fire-resistant layer, an interlayer connected with a water pipe is arranged between the side wall of the furnace box and the fire-resistant layer, the water outlet of the interlayer is connected with the water inlet of the boiler, and the inlet of the water pipe is provided with a valve.
7. The activated carbon production apparatus according to claim 4, characterized in that: material supporting frames can be placed above the multiple layers of fire tubes of the furnace box, one ends of the material supporting frames are free ends, and the other ends of the material supporting frames are connected through a frame; the fire door comprises an outer fire door and an inner fire door, the lower fire channel is arranged between the outer fire door and the inner fire door, the frame is close to the inner fire door, and a plurality of through holes matched with the outlet ends of the fire tubes are formed in the frame and the inner fire door at intervals.
8. The activated carbon production apparatus according to any one of claims 1 to 7, wherein: the tail gas recovery device comprises a shell, a nozzle and a jet pipe, wherein the nozzle is arranged at the inlet end of the shell, the outlet of the shell is communicated with the jet pipe, the outlet of the nozzle faces to the inlet of the jet pipe, and an air pumping chamber is formed in the inner cavity of the shell and the outer area of the nozzle; the jet pipe is a conical pipe body with a large outlet and a small inlet, the outlet end of the shell is conical, and the inner diameter of the junction of the shell and the jet pipe is the smallest; the branch pipes are connected with the side wall of the shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204594.9U CN211847164U (en) | 2020-02-25 | 2020-02-25 | Activated carbon production equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020204594.9U CN211847164U (en) | 2020-02-25 | 2020-02-25 | Activated carbon production equipment |
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| CN211847164U true CN211847164U (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250071A (en) * | 2020-11-16 | 2021-01-22 | 山东科能环保科技有限公司 | Carbonization and activation dual-function consubstantial furnace for producing active carbon and steam |
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2020
- 2020-02-25 CN CN202020204594.9U patent/CN211847164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250071A (en) * | 2020-11-16 | 2021-01-22 | 山东科能环保科技有限公司 | Carbonization and activation dual-function consubstantial furnace for producing active carbon and steam |
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