CN116119665A - Activated carbon production equipment - Google Patents
Activated carbon production equipment Download PDFInfo
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- CN116119665A CN116119665A CN202211709894.2A CN202211709894A CN116119665A CN 116119665 A CN116119665 A CN 116119665A CN 202211709894 A CN202211709894 A CN 202211709894A CN 116119665 A CN116119665 A CN 116119665A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000012856 packing Methods 0.000 claims description 28
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 26
- 239000002912 waste gas Substances 0.000 claims description 26
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 52
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 28
- 238000001994 activation Methods 0.000 abstract description 17
- 238000001035 drying Methods 0.000 abstract description 16
- 230000004913 activation Effects 0.000 abstract description 9
- 238000005470 impregnation Methods 0.000 abstract description 9
- 229910021529 ammonia Inorganic materials 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 239000007788 liquid Substances 0.000 description 11
- 238000005507 spraying Methods 0.000 description 8
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- AYSRRZDFMOGTIY-UHFFFAOYSA-N N.[Ag].[Cr].[Cu] Chemical compound N.[Ag].[Cr].[Cu] AYSRRZDFMOGTIY-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1406—Multiple stage absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses active carbon production equipment, belongs to the technical field of active carbon production equipment, and solves the problems that materials need to be transferred in the production process of the existing impregnated active carbon production equipment, the integrated production cannot be realized, and ammonia gas is easy to leak; the device comprises a device body, wherein the device body comprises an impregnation-activation integrated furnace, a heating device and an exhaust gas absorbing device are respectively arranged on two sides of the impregnation-activation integrated furnace, the exhaust gas absorbing device is communicated with an air preheater, and the impregnation-activation integrated furnace, the heating device and the air preheater are communicated through a pipeline system; the impregnation-activation integrated furnace is matched with a heating device to finish the impregnation, drying, activation and aging of the activated carbon. The invention can realize the integrated production of the activated carbon without transferring materials in the production process of the activated carbon, can absorb ammonia generated in the production process of the activated carbon and avoid environmental pollution.
Description
Technical Field
The invention relates to the technical field of activated carbon production equipment, in particular to activated carbon production equipment.
Background
The dipping active carbon is formed by dipping RFHT-02 active carbon serving as base carbon through copper-chromium-silver-ammonia mixed solution, and then placing and drying, and is a protective material of a filtering absorber in civil air defense engineering equipment, and the performance of the dipping active carbon determines the protective performance of the filtering absorber. Thus, impregnating activated carbon is critical to civil air defense filtration absorbers.
The production process of the impregnated activated carbon comprises the following steps: the four processes are independently a set of equipment or a system, the four processes cannot be integrated for producing the impregnated activated carbon in the prior art, and the material transferring process exists, so that the size is large and the cost is high; for example, chinese patent publication No. CN 105964223a discloses an impregnated activated carbon drying activation device suitable for continuous, automated production, which is capable of automated production, but the four processes are still performed separately, requiring shipment of the production materials.
And a large amount of ammonia gas from the impregnating solution can be generated in the production process of the impregnated activated carbon, and an open material transfer vehicle is used for material transfer between the impregnating process and the drying and activating process. In the process of unloading and transferring materials, the unorganized emission of ammonia gas is often accompanied, and the ammonia gas is a gas with pungent smell, so that the ammonia gas has great harm to people and the environment once being inhaled into the human body or flowing into the environment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides active carbon production equipment, which solves the problems that materials need to be transferred in the production process of the existing impregnated active carbon production equipment, the integrated production cannot be realized, and ammonia gas is easy to leak.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the equipment body comprises an impregnation-activation integrated furnace for impregnating and activating the activated carbon, wherein an exhaust gas absorbing device and a heating device for heating the activated carbon are respectively arranged at two sides of the impregnation-activation integrated furnace, and the exhaust gas absorbing device is communicated with an air preheater;
the dipping-activating integrated furnace comprises a furnace body, wherein the furnace body is respectively communicated with a heating device and an air preheater through a pipeline system; the furnace body is fixedly connected with the support, the two sides of the support are respectively provided with a motor and a dipping liquid water tank, a circular roller assembly is arranged in the furnace body, the motor is rotationally connected with the circular roller assembly, and the dipping liquid water tank is communicated with the circular roller assembly.
In the scheme, a circular roller assembly in a furnace body is provided with production materials, the circular roller assembly is driven to rotate by a motor, the materials are primarily dried by a heating device in the overturning process, an impregnating liquid water tank supplies impregnating liquid for the materials after drying, and the materials are impregnated in the overturning process; the pipeline system can form a sealing state of the furnace body, and the temperature in the furnace body is kept by the heating device, so that the material is activated, after the material is activated, high-temperature gas flows into the furnace body by the pipeline system, the drying of the material is further completed, the furnace body is kept in a sealing state after the drying, and the aging of the material is completed, so that the activated carbon is integrally produced; the impregnation-activation integrated furnace finishes impregnation, drying, activation and aging of the activated carbon, does not need to transfer materials during the impregnation-activation integrated furnace, realizes integrated production of the activated carbon, and can absorb ammonia generated in the production process of the activated carbon.
Further, the circular roller assembly comprises a rotary drum, one side of the rotary drum is fixedly connected with a driving shaft of the motor, a fixing shaft penetrates through the middle of the rotary drum, the fixing shaft is rotationally connected with the rotary drum, an impregnating solution spray head is arranged in the middle of the fixing shaft and is communicated with the fixing shaft, and the fixing shaft is communicated with a water suction pump of the impregnating solution water tank.
In the scheme, the motor drives the rotary drum to rotate through the driving shaft, and the rotary drum can enable materials to be overturned more uniformly to be in contact with hot gas in the heating device, so that the drying and the activation of the materials are facilitated; the fixed shaft and the rotary drum rotate relatively to keep static, so that the impregnating solution spray header is always positioned above the material, and the impregnating solution spray header is ensured to uniformly spray the impregnating solution on the material.
Further, a plurality of rib plates are fixed on two side plates of the rotary drum, the rib plates are uniformly distributed on the annular surface of the rotary drum, and the annular surface of the rotary drum is a stainless steel sieve plate.
In this scheme, the material can evenly distributed on the floor of rotary drum at the upset process, has avoided the material to pile up to influence the flooding, activation effect.
Further, the drum comprises a first drum and a second drum, the second drum being detachably connected to the first drum.
In this scheme, open the furnace gate, can take off the second rotary drum from first rotary drum, be convenient for carry out the replenishment of material to the second rotary drum in.
Further, the heating device comprises a heating device shell, a snake-shaped electric heating pipe is fixed in the heating device shell, openings at two ends of the heating device shell are formed, an opening at one end of the heating device shell is communicated with an air outlet of the first fan, an air inlet of the first fan is communicated with the air preheater through a pipeline system, and an opening at the other end of the heating device shell is communicated with the furnace body through the pipeline system.
In this scheme, adopt snakelike electric heating pipe to air heating to in carrying the furnace body, effectively to the air heating in the furnace body.
Further, the air preheater includes a preheater housing; two clapboards are fixed in the preheater shell, and a plurality of waste gas steel pipes are connected between the two clapboards; the two partition boards divide the interior of the preheater shell into a first cavity, a second cavity and a third cavity, the upper end of the first cavity is communicated with the furnace body through a pipeline system, the lower end of the first cavity is communicated with the third cavity through a plurality of waste gas steel pipes, and the third cavity is communicated with the absorption device.
In this scheme, first cavity and third cavity pass through many waste gas steel pipes and carry furnace body exhaust high temperature waste gas, and many waste gas steel pipes utilize the heat energy of furnace body exhaust high temperature waste gas to heat from outside inhaled air in the second cavity, reduce heating device energy consumption.
Further, the upper portion of the pre-heater casing is provided with an air inlet valve, two ends of the air inlet valve are respectively communicated with the outside and the second cavity, the bottom of the pre-heater casing is provided with a second fan, an air inlet of the second fan is communicated with the second cavity, and an air outlet of the second fan is communicated with the heating device casing.
In this scheme, absorb external air through second fan and air admission valve in the second cavity, the air forms the new trend of preheating through the high temperature waste gas of many waste gas steel pipes, and the second fan can assist first fan to send into the new trend of preheating for heating device.
Further, the waste gas absorbing device comprises an absorbing device box body, water is filled at the bottom of the absorbing device box body, and a water inlet and a water outlet with water valves are formed in the bottom of the absorbing device box body; an exhaust port and an air inlet pipe are formed in the upper portion of the absorption device box body, the air inlet pipe is communicated with the preheater shell, and the air inlet pipe sequentially penetrates through a first packing layer and a second packing layer in the absorption device box body from the top of the absorption device box body and then is arranged on the water surface.
Further, a guide cover is arranged at the lower side of the first packing layer, a spray pipe is arranged on the guide cover, and the spray pipe is communicated with a diaphragm pump outside the box body of the absorption device; the upper side of the second packing layer is provided with a baffle, and the edge of the baffle is spaced from the inner wall of the box body of the absorption device. In the scheme, discharged tail gas of the furnace body is sent to a gap between a second packing layer and the water surface through an air inlet pipe, the second packing layer absorbs the tail gas and the water surface to form water mist, ammonia in the tail gas is partially absorbed by water, the rest ammonia is separated by water and gas of the second packing layer and then flows into a spraying area of a spraying pipe through a baffle plate and a flow guide cover, the spraying pipe sprays the water mist to absorb the rest ammonia, and the treated tail gas is discharged through an exhaust port of a box body of an absorption device after passing through the demisting of the first packing layer; the first packing layer and the second packing layer are adopted for demisting treatment, so that water and gas in tail gas are separated and secondary ammonia gas absorption is carried out through the spray pipe, ammonia gas can be effectively and completely absorbed, and environmental pollution is avoided.
Further, the duct system comprises an air inlet duct and a circulating air duct and an exhaust duct; one end of the air inlet pipeline is communicated with the air inlet of the second fan, the other end of the air inlet pipeline is respectively communicated with the circulating air pipeline and the air inlet of the first fan, and an air inlet regulating valve is arranged at a position, close to the communication position with the circulating air pipeline, of the air inlet pipeline; one end of the circulating gas pipeline is communicated with the first fan, the other end of the circulating gas pipeline is respectively communicated with one end of the waste gas pipeline and the furnace body, and a circulating gas regulating valve is arranged on the circulating gas pipeline near the position communicated with the waste gas pipeline; one end of the waste gas pipeline is communicated with the furnace body, the other end of the waste gas pipeline is communicated with the preheater shell, and an exhaust gas regulating valve is arranged on the waste gas pipeline.
In this scheme, the cooperation of air inlet governing valve, circulation air governing valve and exhaust gas governing valve in the pipe-line system can form new trend, circulated air and mixed air inlet (new trend, circulated air use simultaneously) multiple air inlet mode, reduces the energy consumption of equipment.
The invention discloses active carbon production equipment, which has the beneficial effects that:
the invention can realize the integrated production of the activated carbon without transferring materials in the production process of the activated carbon, can absorb ammonia generated in the production process of the activated carbon and avoid environmental pollution.
Drawings
FIG. 1 is a schematic structural view of an activated carbon production facility;
FIG. 2 is an isometric view of an activated carbon production facility;
FIG. 3 is a cross-sectional view of an activated carbon production facility;
FIG. 4 is a side view of an activated carbon production facility;
FIG. 5 is a cross-sectional side view of an impregnation and activation integrated furnace;
FIG. 6 is a cross-sectional elevation of an impregnation and activation integrated furnace;
FIG. 7 is a schematic diagram of an activated carbon production facility;
FIG. 8 is a schematic diagram of a gas trace for material drying;
FIG. 9 is a schematic diagram of the gas trace in the later stage of drying the material;
wherein: 1. a heating device; 11. a heating device housing; 12. a first fan; 13. an air inlet valve; 14. a serpentine electric heating tube; 15. an air outlet valve;
2. an integrated dip-activation oven; 21. a furnace body; 22. a motor; 23. a rotating drum; 24. a fixed shaft; 25. a drive shaft; 26. an impregnating solution spray header; 27. a tank for immersion liquid; 28. a wind temperature sensor; 211. a furnace door; 212. a transparent window; 231. a first drum; 232. a second drum; 233. rib plates;
3. an exhaust gas absorbing device; 31. an absorber box; 32. an air inlet pipe; 33. a first filler layer; 34. a baffle; 35. a guide cover; 36. a shower pipe; 37. a second filler layer; 38. a diaphragm pump; 310. an exhaust port; 311. a water inlet;
4. an air preheater; 41. a preheater housing; 42. an air intake valve; 43. waste gas steel pipe; 44. a second fan;
5. a piping system; 51 an air intake duct; 52. a circulating gas pipe; 53. an exhaust gas duct; 511. an intake air regulating valve; 512. an intake air temperature sensor; 522. a circulating gas regulating valve; 531. an exhaust gas regulating valve.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
Examples
Referring to fig. 1, a schematic structural diagram of an activated carbon production device is provided, which aims to solve the problems that materials need to be transferred, integrated production cannot be performed and ammonia gas is easy to leak in the production process of the existing impregnated activated carbon production device, and the present invention is described in detail below.
The active carbon production equipment comprises an equipment body, a heating device 1, an impregnating-activating integrated furnace 2, an exhaust gas absorbing device 3, an air preheater 4 and a pipeline system 5;
specifically, the heating device 1 comprises a heating device shell 11, a first fan 12, a serpentine electric heating pipe 14, an air inlet valve 13 and an air outlet valve 15; the inside of the heating device shell 11 is hollow, two ends of the heating device shell are open, an opening at one end of the heating device shell 11 is communicated with an air outlet of the first fan 12, an air inlet valve 13 is arranged at the communicating position, an air inlet of the first fan 12 is communicated with the air preheater 4 through a pipeline system 5, an opening at the other end of the heating device shell 11 is communicated with the dipping-activating integrated furnace 2 through the pipeline system 5, and an air outlet valve 15 is arranged at the communicating position; the serpentine electric heating tube 14 is fixed in the heating device housing 11;
in this embodiment, a first fan 12 draws air from the air intake of the air preheater 4 through the duct system 5 and delivers the air to the heating device housing 11, and a serpentine electric heating tube 14 in the heating device housing 11 heats the air and delivers the air to the dip-activation integrated furnace 2.
Specifically, referring to fig. 5, the impregnation-activation integrated furnace 2 includes a bracket, a motor 22, an impregnation fluid tank 27, and a furnace body 21; the motor 22 and the impregnating solution tank 27 are respectively fixed at two sides of the bracket, the furnace body 21 is fixedly connected with the bracket, a transparent window 212 is arranged on the furnace body 21, and the transparent window 212 is convenient for a worker to observe the working condition in the furnace body 21;
the furnace body 21 is respectively communicated with the heating device 1 and the air preheater 4 through the pipeline system 5, and the upper end and the lower end of the furnace body 21 are respectively provided with an air temperature sensor 28 at the communicating position, and the air temperature sensor 28 is connected with the controller so as to be beneficial to the temperature detection of the air inlet and the air outlet of the furnace body 21;
the inside of the furnace body 21 is provided with a circular roller assembly, the circular roller assembly comprises a rotary drum 23, one side of the rotary drum 23 is fixedly connected with a driving shaft 25 of a motor, the middle part of the rotary drum 23 is penetrated and provided with a fixed shaft 24, two ends of the fixed shaft 24 are respectively fixedly connected with a bearing of the rotary drum 23, the middle part of the fixed shaft 24 is provided with an impregnating solution spray header 26, the impregnating solution spray header 26 is communicated with the fixed shaft 24, one end of the fixed shaft 24 penetrates out of the rotary drum 23 from the rotary drum 23 to be fixedly connected with a bracket and communicated with an impregnating solution water tank 27, a water suction pump is arranged in the impregnating solution water tank 27, and the water suction pump is electrically connected with a controller.
In this embodiment, the motor 22 drives the driving shaft 25 to rotate, the driving shaft 25 drives the drum 23 to rotate, and in the process of rotating the driving shaft 25, the fixing shaft 24 rotates relative to the drum 23 by means of the bearing so as to keep static in the drum, so that the impregnating solution spray header 26 is always located above the material, and the impregnating solution flows through the fixing shaft 24 from the impregnating solution water tank 27 and is sprayed out from the impregnating solution spray header 26.
Specifically, be fixed with polylith floor 232 on the both sides board of rotary drum 23, polylith floor 232 evenly distributed is on the anchor ring of rotary drum 23, and rotary drum 23 rotates the in-process, and material evenly distributed is on floor 232, avoids the material to pile up, influences the flooding, activates the effect.
The ring surface of the rotary drum 23 is a 40-mesh stainless steel sieve plate, and the stainless steel sieve plate ensures that the materials in the rotary drum 23 can not leak when the rotary drum 23 is ventilated;
the rotary drum 23 comprises a first rotary drum 231 and a second rotary drum 232, the second rotary drum 232 is detachably connected with the first rotary drum 231, and the second rotary drum 232 is combined and separated with a buckle through a sliding groove on the first rotary drum 231.
In this embodiment, the process of loading the furnace body 21 with materials is as follows: the furnace door 211 of the furnace body 21 is opened, the second rotary drum 232 is taken out and filled with materials inwards, the second rotary drum 232 filled with materials slides into the first rotary drum 231 through a chute, and the furnace door 211 is closed through fastening.
Specifically, the air preheater 4 includes a preheater housing 41; two partition boards are fixed inside the preheater shell 41, and a plurality of waste gas steel pipes 43 are connected between the two partition boards; the interior of the preheater shell 41 is divided into a first cavity, a second cavity and a third cavity by two partition plates, the upper end of the first cavity is communicated with the furnace body 21 through a pipeline system 5, the lower end of the first cavity is communicated with the third cavity through a plurality of waste gas steel pipes 43, and the third cavity is communicated with the absorption device 3;
the upper portion of the pre-heater casing 41 is equipped with air admission valve 42, and air admission valve 42's both ends communicate with external world and second cavity respectively, and the bottom of pre-heater casing 41 is provided with second fan 44, and the air intake and the second cavity intercommunication of second fan 44, the air outlet and the heating device casing 11 intercommunication of second fan 44.
In the embodiment, the first cavity and the third cavity convey high-temperature exhaust gas discharged from the furnace body 21 through the plurality of exhaust gas steel pipes 43, and the plurality of exhaust gas steel pipes 43 heat air sucked from the outside in the second cavity by utilizing heat energy of the high-temperature exhaust gas discharged from the furnace body 21, so that energy consumption of a heating device is reduced; the second fan 44 and the air inlet valve 42 absorb outside air in the second cavity, the air forms preheated fresh air through high-temperature waste gas of the waste gas steel pipes 43, and the second fan 44 can assist the first fan 12 in feeding the preheated fresh air to the heating device 1.
Specifically, referring to fig. 3, the exhaust gas absorbing device 3 includes an absorbing device box 31, water is contained in the bottom of the absorbing device box 31, and a water inlet 311 and a water outlet with water valves are provided in the bottom of the absorbing device box 31; the upper part of the absorption device box 31 is provided with an exhaust port 310 and an air inlet, the air inlet is communicated with an air inlet pipe 32, and the air inlet pipe 32 sequentially passes through a first packing layer 33 and a second packing layer 37 in the absorption device box 31 from the air inlet at the top of the absorption device box 31 and is arranged on the water surface; the first packing layer 33 and the second packing layer 37 divide the absorber casing 31 into an upper space, a middle space, and a lower space;
a guide cover 35 is arranged below the first packing layer 33 in the middle-layer space, an opening of the guide cover 35 faces the second packing layer 37, a spray pipe 36 is inserted in the guide cover 35, a plurality of spray heads are arranged on the spray pipe 36, and the spray pipe 36 is communicated with a diaphragm pump 38 outside the absorption device box 31;
the lower space, i.e. the space between the second packing layer 37 and the bottom of the absorption device box 31, is filled with water, and absorbs ammonia gas in the air inlet pipe 32; the second packing layer 37 is provided with a baffle 34, the periphery of the baffle 34 is spaced from the absorption device box 31, the baffle 34 stops the gas overflowing from water to the edge of the baffle so as to enable the gas to enter the spraying area of the spraying pipe 36 of the guide cover 35, the spraying pipe 36 is communicated with the diaphragm pump 38 outside the absorption device box 31, the spray head of the spraying pipe 36 sprays water mist to absorb ammonia gas, the guide cover 35 gathers the sprayed gas to the first packing layer 33, and the gas is discharged from the exhaust port 310 of the absorption device box 31 after demisting through the first packing layer 33.
In this embodiment, the first packing layer 33 and the second packing layer 37 are filled with demisting materials, which may be PT raschig ring filling materials, and the first packing layer 33 and the second packing layer 37 can effectively absorb mist droplets formed by the relative impact of water and ammonia, so as to separate water and gas, and facilitate the absorption of ammonia in the tail gas by water sprayed from the absorption device box 31 and water mist sprayed from the spray pipe 36.
Specifically, referring to fig. 4, the duct system 5 includes an intake duct 51, a circulation air duct 52, and an exhaust duct 53;
one end of the air inlet pipeline 51 is communicated with the air outlet of the second fan 44, an air inlet temperature sensor 512 is arranged at the communication position, the other end of the air inlet pipeline 51 is respectively communicated with the circulating air pipeline 52 and the air inlet of the first fan 12, and an air inlet regulating valve 511 is arranged on the air inlet pipeline 51 near the communication position with the circulating air pipeline 52;
one end of the circulating gas pipeline 52 is communicated with the first fan 12, the other end of the circulating gas pipeline 52 is respectively communicated with one end of the waste gas pipeline 53 and the furnace body 21, and a circulating gas regulating valve 522 is arranged on the circulating gas pipeline 52 near the position communicated with the waste gas pipeline 53;
one end of the exhaust pipeline 53 is communicated with the furnace body 21, the other end of the exhaust pipeline 53 is communicated with the preheater shell 41, and an exhaust gas regulating valve is arranged on the exhaust pipeline 53.
The working principle of the scheme is as follows:
principle of loading materials into the furnace body 21: the furnace door 211 of the furnace body 21 is opened, the second rotary drum 232 is taken out and filled with materials inwards, the second rotary drum 232 filled with materials slides into the first rotary drum 231 through a chute, and the furnace door 211 is closed through fastening.
Impregnation principle: the dipping process comprises the steps of drying materials and spraying dipping liquid
In the material drying process, referring to fig. 8, the circulation gas regulating valve 522 is closed, and the intake air regulating valve 511 and the exhaust air regulating valve 531 are opened; opening the serpentine electric heating tube 14 and the second fan 44, wherein the second fan 44 sucks outside air from the air inlet valve 42 of the air preheater 4 into the air inlet pipeline 51, and the air in the air inlet pipeline 51 is heated by the serpentine electric heating tube 14 in the heater shell and enters the rotary drum 23 from the bottom of the furnace body 21;
the motor 22 is turned on to drive the rotary drum 23 to reversely rotate, the reverse rotation of the rotary drum 23 is relatively gentle, and the integrity of the materials in the soaking process can be ensured; the heated air flows through the drum 23 to heat the material and then flows into the exhaust gas absorbing device 3 from the exhaust gas pipe 53, and the exhaust gas absorbing device 3 absorbs the ammonia gas and then discharges the air from the air outlet.
After the materials are dried, the serpentine electric heating pipe 14 and the second fan 44 are closed, the air outlet valve 15 of the heating device 1, the circulating air regulating valve 522 and the exhaust regulating valve 531 of the pipeline system 5 are closed, the furnace body 21 forms a relative closed space, the motor 22 is opened to drive the rotary drum 23 to rotate positively, meanwhile, the water suction pump sucks impregnating liquid from the impregnating liquid water tank 27 and sprays the impregnating liquid from the impregnating liquid spray head 26, the impregnating liquid is uniformly sprayed on the materials, the impregnation of the materials is completed, and the second fan 44, the circulating air regulating valve 522 and the exhaust regulating valve 531 are required to be opened at one end at intervals for ventilation in the impregnation process.
Principle of drying and activation:
and (3) drying: after the impregnation is completed, the material is dried, and referring to fig. 8, the material drying process is the same;
referring to fig. 9, when most of the moisture of the material has been removed, the circulation air adjusting valve is opened, the exhaust amount of the exhaust gas pipe 53 is adjusted to be small by the exhaust air adjusting valve 531, the hot air of the furnace body 21 is circulated for use, the equipment energy consumption is reduced, and the activation stage is gradually entered.
Activating: the second fan 44 is closed, the air inlet valve 531 and the air inlet valve 13 of the heating device 1 are reduced, the circulating air valve is enlarged, the temperature inside the furnace body 21 is kept stable, the temperature inside the furnace body 21 can be observed through the air temperature sensor 28 of the furnace body 21 in the activation process, and the temperature change is controlled through adjusting the air inlet valve 13 and the air inlet valve 531.
Aging principle: the first fan 12 is closed, the air inlet valve 13, the circulating air regulating valve and the exhaust regulating valve 531 are closed, the furnace body 21 and the serpentine heating pipe form a relative sealing space, the temperature inside the furnace body 21 is kept, the motor 22 drives the rotary drum 23 to reversely and slowly rotate, and the ageing of the materials is completed for a certain time.
Although specific embodiments of the invention have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.
Claims (10)
1. An activated carbon production device, which is characterized in that: the device comprises a device body, wherein the device body comprises an impregnation-activation integrated furnace (2) for impregnating and activating active carbon, two sides of the impregnation-activation integrated furnace (2) are respectively provided with an exhaust gas absorption device (3) and a heating device (1) for heating the active carbon, the exhaust gas absorption device (3) is communicated with an air preheater (4), and the impregnation-activation integrated furnace (2), the heating device (1) and the air preheater (4) are communicated through a pipeline system (5);
the soaking-activating integrated furnace (2) comprises a furnace body (21), wherein the furnace body (21) is respectively communicated with the heating device (1) and the air preheater (4) through the pipeline system (5); furnace body (21) and support fixed connection, the both sides of support are provided with motor (22) and immersion fluid water tank (27) respectively, be provided with circular cylinder subassembly in furnace body (21), motor (22) with circular cylinder subassembly swivelling joint, immersion fluid water tank (27) with circular cylinder subassembly intercommunication.
2. The activated carbon production apparatus of claim 1, wherein: the circular roller assembly comprises a rotary drum (23), one side of the rotary drum (23) is fixedly connected with a driving shaft (25) of a motor, a fixed shaft (24) is arranged in the middle of the rotary drum (23) in a penetrating mode, the fixed shaft (24) is rotationally connected with the rotary drum (23), an impregnating solution spray header (26) is arranged in the middle of the fixed shaft (24), the impregnating solution spray header (26) is communicated with the fixed shaft (24), and the fixed shaft (24) is communicated with a water suction pump of an impregnating solution water tank (27).
3. The activated carbon production apparatus of claim 2, wherein: a plurality of rib plates (232) are fixed on two side plates of the rotary drum (23), the rib plates (232) are uniformly distributed on the annular surface of the rotary drum (23), and the annular surface of the rotary drum (23) is a stainless steel sieve plate.
4. An activated carbon production apparatus as claimed in claim 3, characterized in that: the rotary drum (23) comprises a first rotary drum (231) and a second rotary drum (232), and the second rotary drum (232) is detachably connected with the first rotary drum (231).
5. The activated carbon production apparatus of claim 1, wherein: heating device (1) are including heating device casing (11), heating device casing (11) internal fixation has snakelike electric heating pipe (14), heating device casing (11) both ends opening, the opening of heating device casing (11) one end and the air outlet intercommunication of first fan (12), the air intake of first fan (12) is passed through pipe system (5) with air heater (4) intercommunication, the opening of heating device casing (11) other end is passed through pipe system (5) with furnace body (21) intercommunication.
6. The activated carbon production apparatus of claim 1, wherein: the air preheater (4) comprises a preheater housing (41); two clapboards are fixed in the preheater shell (41), and a plurality of waste gas steel pipes (43) are connected between the two clapboards; the two partition boards divide the interior of the preheater shell (41) into a first cavity, a second cavity and a third cavity, the upper end of the first cavity is communicated with the furnace body (21) through the pipeline system (5), the lower end of the first cavity is communicated with the third cavity through a plurality of waste gas steel pipes (43), and the third cavity is communicated with the absorption device (3).
7. The activated carbon production apparatus of claim 6, wherein: the upper portion of pre-heater casing (41) is equipped with air admission valve (42), the both ends of air admission valve (42) respectively with the external world with second cavity intercommunication, the bottom of pre-heater casing (41) is provided with second fan (44), the air intake of second fan (44) with second cavity intercommunication, the air outlet of second fan (44) with heating device casing (11) intercommunication.
8. The activated carbon production apparatus of claim 6, wherein: the waste gas absorbing device (3) comprises an absorbing device box body (31), water is filled at the bottom of the absorbing device box body (31), and a water inlet (311) and a water outlet with water valves are formed in the bottom of the absorbing device box body; the air inlet pipe (32) is communicated with the preheater shell (41), and the air inlet pipe (32) sequentially penetrates through a first packing layer (33) and a second packing layer (37) in the absorption device box (31) from the top of the absorption device box (31) and is arranged on the water surface.
9. The activated carbon production apparatus of claim 8, wherein: a guide cover (35) is arranged on the lower side of the first packing layer (33), a spray pipe (36) is arranged on the guide cover, and the spray pipe (36) is communicated with a diaphragm pump (38) outside the absorption device box body (31); the upper side of the second packing layer (37) is provided with a baffle plate (34), and the edge of the baffle plate (34) is spaced from the inner wall of the absorption device box body (31).
10. The activated carbon production apparatus of claim 6, wherein: the pipeline system (5) comprises an air inlet pipeline (51), a circulating air pipeline (52) and an exhaust gas pipeline (53);
one end of the air inlet pipeline (51) is communicated with an air outlet of the second fan (44), the other end of the air inlet pipeline (51) is respectively communicated with the circulating air pipeline (52) and an air inlet of the first fan (12), and an air inlet regulating valve (511) is arranged at a position, close to the communication position with the circulating air pipeline (52), of the air inlet pipeline (51);
one end of the circulating gas pipeline (52) is communicated with the first fan (12), the other end of the circulating gas pipeline (52) is respectively communicated with one end of the waste gas pipeline (53) and the furnace body (21), and a circulating gas regulating valve (522) is arranged on the circulating gas pipeline (52) near the position communicated with the waste gas pipeline (53);
one end of the exhaust gas pipeline (53) is communicated with the furnace body (21), the other end of the exhaust gas pipeline (53) is communicated with the preheater shell (41), and an exhaust gas regulating valve (531) is arranged on the exhaust gas pipeline (53).
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| CN202211709894.2A CN116119665B (en) | 2022-12-29 | 2022-12-29 | Activated carbon production equipment |
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| CN202211709894.2A CN116119665B (en) | 2022-12-29 | 2022-12-29 | Activated carbon production equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204429305U (en) * | 2015-01-29 | 2015-07-01 | 武汉凯迪工程技术研究总院有限公司 | Catalyst soakage and drying device |
| US20180362350A1 (en) * | 2016-05-18 | 2018-12-20 | Tianjin University Of Science & Technology | Method for preparing high specific surface area activated carbon through rapid activation under fluidization |
| CN210545174U (en) * | 2019-07-23 | 2020-05-19 | 南京安捷特环保科技有限公司 | Activated carbon regeneration furnace |
| CN113968580A (en) * | 2021-10-13 | 2022-01-25 | 江苏京颐环保科技有限公司 | Powdered activated carbon regeneration process based on activation furnace |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204429305U (en) * | 2015-01-29 | 2015-07-01 | 武汉凯迪工程技术研究总院有限公司 | Catalyst soakage and drying device |
| US20180362350A1 (en) * | 2016-05-18 | 2018-12-20 | Tianjin University Of Science & Technology | Method for preparing high specific surface area activated carbon through rapid activation under fluidization |
| CN210545174U (en) * | 2019-07-23 | 2020-05-19 | 南京安捷特环保科技有限公司 | Activated carbon regeneration furnace |
| CN113968580A (en) * | 2021-10-13 | 2022-01-25 | 江苏京颐环保科技有限公司 | Powdered activated carbon regeneration process based on activation furnace |
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