CN102580676A - Preparation method of active coke for wastewater advanced treatment - Google Patents
Preparation method of active coke for wastewater advanced treatment Download PDFInfo
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- CN102580676A CN102580676A CN2012100432650A CN201210043265A CN102580676A CN 102580676 A CN102580676 A CN 102580676A CN 2012100432650 A CN2012100432650 A CN 2012100432650A CN 201210043265 A CN201210043265 A CN 201210043265A CN 102580676 A CN102580676 A CN 102580676A
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- activated coke
- preparation
- regeneration unit
- advanced treatment
- active coke
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- 239000000571 coke Substances 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000011282 treatment Methods 0.000 title claims abstract description 16
- 239000002351 wastewater Substances 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000008929 regeneration Effects 0.000 claims description 39
- 238000011069 regeneration method Methods 0.000 claims description 39
- 239000003610 charcoal Substances 0.000 claims description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 18
- 238000009833 condensation Methods 0.000 claims description 18
- 230000005494 condensation Effects 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 12
- 230000004913 activation Effects 0.000 claims description 9
- 239000003517 fume Substances 0.000 claims description 8
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 230000008439 repair process Effects 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000001994 activation Methods 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 9
- 239000002918 waste heat Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000197 pyrolysis Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 abstract 2
- 238000010980 drying distillation Methods 0.000 abstract 2
- 230000001172 regenerating effect Effects 0.000 abstract 2
- 239000000779 smoke Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000003077 lignite Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
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Abstract
The invention discloses a preparation method of an active coke for the wastewater advanced treatment. The preparation method comprises the following steps: firstly, directly conveying a semi coke subjected to dehydrating, drying and dry distillation treatments into an active coke regenerating machine set; then, activating the semi coke in the active coke regenerating machine set; finally, conveying a final product into an active coke cooling device, and cooling to generate the active coke. According to the preparation method, the semi coke subjected to drying and dry distillation treatments is adopted as a raw material and is directly activated, so that the production cost of the active coke is reduced; vapor is adopted as an activating agent in an activation process, and the vapor is hot vapor produced in a vapor generator by high-temperature smoke waste heat, so that the energy consumption is reduced; and produced waste gas is treated by a condensing deduster, a mixed gas separation and purification device and an environment-friendly smoke emission device, so that the pollution of toxic and harmful gases and particulate matters to the atmospheric environment is avoided.
Description
Technical field
The present invention relates to the preparation field of advanced treatment of wastewater, particularly a kind of advanced treatment of wastewater activated coke preparation method with activated coke.
Background technology
Existing activated coke is to be a kind of particulate matter with adsorption function of primary raw material system with brown coal.The following step of the main branch of existing activated coke preparation: at first, process semicoke, utilize semicoke, coking coal and binder to mix then, and become activated coke through overactivation with pretreated brown coal destructive distillation.
Existing is the preparation method of raw material with brown coal, not of uniform size because of the brown coal lumpiness, must carry out break process; So that it is carried out acidleach processing and destructive distillation, and the selected of brown coal particle diameter has material impact to the activated coke performance, a large amount of ash contents in the brown coal; The organic shrinkage stress in river has difference in retort process, causes uneven contraction, and activated coke is cracked; Intensity descends, and production cost is increased.
At present, the brown coal activated coke is mainly used in desulfurization, denitrogenation aspect, and this kind activated coke needs moulding; Cost is higher, and at present main employing of activated coke that is used for advanced treatment of wastewater produced by indigenous method, with the open firing point fire coal; Water extinguishes and processes Deng grilling thoroughly afterwards, and production technology is simple, backward.The main place of production of China's brown coal is in the Inner Mongol and the Northwest; And sewage disposal will be used in the whole country with activated coke; And brown coal are made activated coke as raw material and are faced problems such as ore dressing, fragmentation; Produce with cost of transportation very highly, seek a kind of raw material that satisfy technological requirement or intermediate products as manufacturing activated coke raw material, extremely urgent.
Therefore be badly in need of a kind of preparation method who is used for the employed activated coke of advanced treatment of wastewater cheaply.
Summary of the invention
In view of this, technical problem to be solved by this invention provides a kind of preparation method who is used for the employed activated coke of advanced treatment of wastewater cheaply.This preparation method adopts the activated coke reclaim equiment, realizes the manufacturing of activated coke through the adjustment operating condition.
The objective of the invention is to realize through following technical scheme:
A kind of advanced treatment of wastewater provided by the invention may further comprise the steps with the preparation method of activated coke:
1) blue charcoal is transported in the activated coke regeneration unit;
2) in activated coke regeneration unit, blue charcoal is carried out activation processing;
3) with step 2) in end product be transported to and carry out cooling processing in the activated coke cooling device, generate activated coke.
Further, it is raw material that said blue carbon adopts the leftover bits and pieces of the blue charcoal in chemical industry, smelting, the gas making industry, particle diameter 2-8mm.
Further, further comprising the steps of:
4) in the regenerative process of activated coke regeneration unit between dedusting gas carry out the condensation dust removal process.
Further, further comprising the steps of:
5) reclaim the heat of activated coke regeneration unit in the high-temperature flue gas of soak time section; And be transported in the heat-accumulator tank with the form that forms high-temperature vapor; With the steam in the heat-accumulator tank and be transported to activated coke regeneration unit and reuse, the high-temperature flue gas after the said recovery is discharged in the air through the fume environment protection tapping equipment when blue charcoal activation.
The invention has the advantages that: the leftover bits and pieces that the present invention is used for the blue charcoal of industries such as chemical industry, smelting, gas making is a raw material; Particle diameter 2-8mm; Because of blue charcoal super-dry, retort process, so, utilize blue charcoal to make activated coke and only need pass through activation process; Therefore reduced the activated coke production cost; The present invention adopts steam as the activator in the activation process, and therefore the superheated steam of this steam for producing in steam generator through the high-temperature flue gas waste heat that is recovered to heat-accumulator tank reduced energy consumption; Through adopting condensation deduster, mixed gas separation purifier and fume environment protection tapping equipment to handle the waste gas of generation, avoid toxic and harmful and particle pollutant atmosphere.
Other advantage of the present invention, target and characteristic will be set forth in specification subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, obtain instruction to investigating of hereinafter.Target of the present invention and other advantage can be passed through following specification, claims, and the structure that is particularly pointed out in the accompanying drawing realizes and obtains.
Description of drawings
In order to make the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is made further detailed description below, wherein:
Fig. 1 makes the activated coke process device figure for the blue charcoal that the embodiment of the invention provides;
Fig. 2 makes the activated coke process flow diagram for the blue charcoal that the embodiment of the invention provides.
Among the figure, 1 expression feeding screw, 2 expression activated coke regeneration units, 3 expression activated coke cooling units, 4 expression condensation dedusters, 5 expression mixed gas separation purifiers, 6 expression flue gas waste heat recovery apparatus, 7 expression heat-accumulator tanks, 8 expression fume environment protection tapping equipments, 9 expression condensation ponds, 10 expression gas-fired equipments, 11 expression combustion fans, 12 expression dedusting fans, 13 expression supply-water pumps.
The specific embodiment
Below will combine accompanying drawing, the preferred embodiments of the present invention will be carried out detailed description; Should be appreciated that preferred embodiment has been merely explanation the present invention, rather than in order to limit protection scope of the present invention.
The apparatus figure that is used for blue charcoal regeneration that Fig. 1 provides for the embodiment of the invention; As shown in the figure: a kind of equipment that is used for blue charcoal regeneration provided by the invention; Comprise feeding screw 1, activated coke regeneration unit 2, activated coke cooling unit 3, condensation deduster 4, mixed gas separation purifier 5, flue gas waste heat recovery apparatus 6, heat-accumulator tank 7, fume environment protection tapping equipment 8 and condensation pond 9; Said feeding screw 1 is used for blue charcoal is transported in the activated coke regeneration unit 2; Said activated coke regeneration unit 2; Be used for blue charcoal activation; On the sidewall of said activated coke regeneration unit 2 at least one gas-fired equipment 10 is installed; The fuel gas inlet of said gas-fired equipment 10 is connected with two gas pipelines, and wherein one is external Gas Pipe, and another root is for recycling the flammable tracheae of the combustible gas that produces when activated coke is regenerated; Said activated coke cooling unit 3, be used for the blue charcoal after handling purify, cooling processing, reclaim as regeneration activity burnt; Said feeding screw 1 is arranged at the feed end of activated coke regeneration unit 2, and said activated coke cooling unit 3 is arranged at the discharge end of activated coke regeneration unit 2.
In activated coke regeneration unit 2, according to process, carry out activation procedure, soak time is 0.9h～1.1h, discharging time is 0.4h～0.6h.Adopt intermittent feeding, intermittent take-off mode in the present embodiment, wherein feed time is about 0.4h～0.6h, and discharging time is about 0.4h～0.6h.
Said activated coke regeneration unit 2 also is provided with combustion-supporting airduct and combustion fan 11, and said combustion-supporting airduct is connected with the fuel gas inlet of gas-fired equipment 10, and said combustion fan 11 is connected with combustion-supporting airduct; Said activated coke regeneration unit 2 set inside frids, said frid only turns over blue charcoal material when blue charcoal regeneration forward transmits, do not push ahead blue charcoal material, and counter-rotating then can be pushed ahead blue charcoal material.
Said activated coke regeneration unit 2 adopts horizontal outer heat-activated stove, and the temperature control mode of said activated coke regeneration unit 2 adopts automatic temperature control system, and feed way carries out screw feeding through detachable feeding screw.
Said condensation deduster 4 is used for gas between the dedusting of activated coke regeneration unit regenerative process is carried out the condensation dust removal process; Also be provided with dedusting fan 12 in the present embodiment, this dedusting fan 12 is connected with the condensation deduster, and the water that from the condensation deduster, produces is transported in the condensation pond; Said mixed gas separation purifier 5 is used for reclaiming the fuel gas of activated coke regeneration unit at the high-temperature flue gas of soak time section, is transported to activated coke regeneration unit 2 after handling through purification separation and reuses; Do not have recuperable fuel gas in the present embodiment, so this partial devices is not used, said flue gas waste heat recovery apparatus 6 is used for reclaiming the heat of activated coke regeneration unit at the high-temperature flue gas of soak time section; Said recovery heat delivery is in heat-accumulator tank 7; When blue charcoal activation, utilize this part heat to produce steam and be transported to activated coke regeneration unit and reuse; High-temperature flue gas after the said recovery is discharged in the air through the fume environment protection tapping equipment; Said activated coke regeneration unit 2 is connected with condensation deduster 4, mixed gas separation purifier 5, flue gas waste heat recovery apparatus 6 respectively; Said heat-accumulator tank 7 is connected between activated coke regeneration unit 2 and the flue gas waste heat recovery apparatus 6, said fume environment protection tapping equipment be connected with flue gas waste heat recovery apparatus.
Said condensation pond 9 water inlet ends are connected with condensation deduster 4 water sides with mixed gas separation purifier 5 water sides respectively, and 9 water sides, said condensation pond are connected with mixed gas separation purifier 5 water inlet ends, condensation deduster water inlet end, flue gas waste heat recovery apparatus water inlet end respectively through supply-water pump 13.
The blue charcoal regeneration technology FB(flow block) sketch map that Fig. 2 provides for the embodiment of the invention, as shown in the figure: a kind of advanced treatment of wastewater that the embodiment of the invention provides may further comprise the steps with the preparation method of activated coke:
1) blue charcoal is transported in the activated coke regeneration unit;
2) in activated coke regeneration unit, blue charcoal is carried out activation processing;
3) with step 2) in end product be transported to and carry out cooling processing in the activated coke cooling device, generate activated coke.
4) in the high-temperature flue gas that in the regenerative process of activated coke regeneration unit, produces between dedusting gas carry out the condensation dust removal process.
5) reclaim the heat of activated coke regeneration unit in the high-temperature flue gas of soak time section; And be transported in the heat-accumulator tank; With the steam in the heat-accumulator tank and be transported to activated coke regeneration unit and reuse, the high-temperature flue gas after the said recovery is discharged in the air through the fume environment protection tapping equipment when blue charcoal activation.
Blue carbon raw material in the embodiment of the invention; Can select the leftover bits and pieces in the industries such as chemical industry, smelting, gas making for use; This leftover bits and pieces is through low temperature distillation production; Pyrolysis temperature is generally about 600 ℃, and fixed carbon is high, than resistivity is high, chemism is high, ash content is low, sulphur is low, phosphorus is low, moisture is low etc. " three high four is low " characteristics.Industry such as chemical industry, smelting uses blue charcoal to sieve, its leftover bits and pieces particle diameter < 8mm, the just in time suitable activated coke that is processed into.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (4)
1. an advanced treatment of wastewater is characterized in that: may further comprise the steps with the preparation method of activated coke:
1) blue charcoal is transported in the activated coke regeneration unit;
2) in activated coke regeneration unit, blue charcoal is carried out activation processing;
3) with step 2) in end product be transported to and carry out cooling processing in the activated coke cooling device, generate activated coke.
2. advanced treatment of wastewater according to claim 1 is characterized in that with the preparation method of activated coke: it is raw material that said blue carbon adopts the leftover bits and pieces of employed blue charcoal in chemical industry, smelting, the gas making industry, particle diameter 2-8mm.
3. advanced treatment of wastewater according to claim 2 is characterized in that: further comprising the steps of with the preparation method of activated coke:
4) in the regenerative process of activated coke regeneration unit between dedusting gas carry out the condensation dust removal process.
4. advanced treatment of wastewater according to claim 3 is characterized in that: further comprising the steps of with the preparation method of activated coke:
5) reclaim the heat of activated coke regeneration unit in the high-temperature flue gas of soak time section; And be transported in the heat-accumulator tank with the form that forms high-temperature vapor; When blue charcoal activation, the steam in the heat-accumulator tank is transported to activated coke regeneration unit and reuses, the high-temperature flue gas after the said recovery is discharged in the air through the fume environment protection tapping equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100432650A CN102580676B (en) | 2012-02-24 | 2012-02-24 | Preparation method of active coke for wastewater advanced treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100432650A CN102580676B (en) | 2012-02-24 | 2012-02-24 | Preparation method of active coke for wastewater advanced treatment |
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| Publication Number | Publication Date |
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| CN102580676A true CN102580676A (en) | 2012-07-18 |
| CN102580676B CN102580676B (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100432650A Expired - Fee Related CN102580676B (en) | 2012-02-24 | 2012-02-24 | Preparation method of active coke for wastewater advanced treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833706A (en) * | 2017-01-22 | 2017-06-13 | 中国重型机械研究院股份公司 | A kind of close-coupled activated coke carbonization-activation device |
| CN108178353A (en) * | 2017-12-20 | 2018-06-19 | 浙江环兴机械有限公司 | A kind of granular activated carbon absorption and regeneration integrated processing method |
| CN113233459A (en) * | 2021-06-02 | 2021-08-10 | 榆林学院 | Preparation method of high-performance active coke for flue gas purification |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462040A (en) * | 2007-12-19 | 2009-06-24 | 张大伟 | Method and apparatus for regenerating activated coke after processing waste water and sewage water |
| CN101491754A (en) * | 2008-01-24 | 2009-07-29 | 张大伟 | Reactive coke regeneration method and device |
| CN101538038A (en) * | 2009-04-27 | 2009-09-23 | 煤炭科学研究总院 | Activated coke and preparation method and application thereof |
-
2012
- 2012-02-24 CN CN2012100432650A patent/CN102580676B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462040A (en) * | 2007-12-19 | 2009-06-24 | 张大伟 | Method and apparatus for regenerating activated coke after processing waste water and sewage water |
| CN101491754A (en) * | 2008-01-24 | 2009-07-29 | 张大伟 | Reactive coke regeneration method and device |
| CN101538038A (en) * | 2009-04-27 | 2009-09-23 | 煤炭科学研究总院 | Activated coke and preparation method and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833706A (en) * | 2017-01-22 | 2017-06-13 | 中国重型机械研究院股份公司 | A kind of close-coupled activated coke carbonization-activation device |
| CN106833706B (en) * | 2017-01-22 | 2019-09-24 | 中国重型机械研究院股份公司 | A kind of close-coupled activated coke carbonization-activation device |
| CN108178353A (en) * | 2017-12-20 | 2018-06-19 | 浙江环兴机械有限公司 | A kind of granular activated carbon absorption and regeneration integrated processing method |
| CN108178353B (en) * | 2017-12-20 | 2020-09-01 | 浙江环兴机械有限公司 | Granular activated carbon adsorption and regeneration integrated treatment method |
| CN113233459A (en) * | 2021-06-02 | 2021-08-10 | 榆林学院 | Preparation method of high-performance active coke for flue gas purification |
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| CN102580676B (en) | 2013-11-13 |
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