CN103768890B - A kind of active carbon by chemical method produces the purification of tail gas and recovery system and absorber - Google Patents
A kind of active carbon by chemical method produces the purification of tail gas and recovery system and absorber Download PDFInfo
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- CN103768890B CN103768890B CN201410006514.8A CN201410006514A CN103768890B CN 103768890 B CN103768890 B CN 103768890B CN 201410006514 A CN201410006514 A CN 201410006514A CN 103768890 B CN103768890 B CN 103768890B
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Abstract
Active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for active carbon by chemical method production in described tail gas and reclaim.This recovery process rate of recovery is high, recovery process is simple, and recovery process is lower-cost, more environmental protection.The invention allows for a kind of recovery system adopting this recovery method.
Description
Technical field
The present invention relates to a kind of active carbon by chemical method and produce the purification of tail gas and recovery method and purification and recovery system, and absorber.
Background technology
Chemical method (phosphoric acid method and zinc chloride process) process for preparing activated carbon is mixed with wooden class raw material by certain density chemical activating agent (phosphoric acid and zinc chloride) solution fully, be conveyed into internal heat type converter, and be thermal source with high-temperature flue gas, direct heated material, the tail gas that production process produces, can contain a certain amount of chemical activating agent, concentration is 500-2000ppm, directly discharges not only contaminated air and causes the waste of chemical activating agent simultaneously.At present, conventional exhaust gas treating method has spray process and electric demist method, spray process causes filtration difficulty, evaporation and concentration difficulty because Ethylene recov powdered carbon, wood tar content are high, particularly when Ethylene recov volume is larger, require all larger to equipment requirement and operation easier.Electricity demister pattern reclaims tail gas chemical activating agent, although decrease Ethylene recov volume, power consumption is large, and equipment technology requires high, is difficult to be promoted widely.
A kind of chemical activating agent recovery method is disclosed in prior art, comprise the solution containing chemical activating agent first adopting spray process recovery to obtain, then wooden class raw material and chemical activation agent solution is adopted evenly to mix and by further heat drying, finally make the chemical activating agent in solution rest in wooden class raw material, reach the object reclaiming chemical activating agent.The partial chemical activator in solution can be made in this way to be utilized by wooden class raw materials recovery although adopt, but be lowlyer unfavorable for absorption owing to there is the solution chemistry activator concentration of spray process process chemical activating agent waste gas not exclusively, after spray, wooden class raw material easily causes partial chemical activator to be carried secretly the problems such as discharge by steam at drying steps after mixing with chemical activation agent solution, make the method chemical activating agent organic efficiency not high.Meanwhile, because the method need adopt sprinkling equipment, mixing apparatus and drying equipment, complex process energy consumption is high, and the steam of the trapped chemical activator produced in dry run causes secondary pollution problems, more difficultly in industry promotes.
Summary of the invention
For this reason, it is high with the rate of recovery that the technical problem to be solved in the present invention is to provide a kind of purification, and purification is simple with recovery process, and purification is lower-cost with recovery process, more environmental protection pollutant purification in tail gas and recovery method are produced to active carbon by chemical method, and purification and recovery system.
The present invention is purification and the recovery method that a kind of active carbon by chemical method produces tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for active carbon by chemical method production in described tail gas and reclaim.
Said method, the initial temperature of described tail gas is 30 ~ 250 DEG C, and described in can be used for the pollutant that active carbon by chemical method produces and comprise at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.
Said method, also comprise: by temperature holding device, temperature holding step is carried out to the tail gas given off from described active carbon production equipment, the temperature between the described tail gas that exports from described temperature holding device and the described tail gas entering described temperature holding device is fallen and is less than 30%.
Said method, also comprises: by the step of heater to the described tail gas heating given off in described active carbon production equipment; Wherein, mode of heating can be jacket type indirect or directly provides the direct heating of hot gas.
Said method, wherein, the described exhaust temperature be passed in described absorber is 60-240 DEG C.
Said method, described Activated Carbon Production raw material is that carbon containing Plant Powder minces.
Said method, described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.
Said method, wherein, the exhaust temperature be passed in described absorber is 100-230 DEG C.
Said method, the initial temperature of described Activated Carbon Production tail gas is 30-90 DEG C, by described heater, described tail gas heating is heated up at least 20%.
Described chemical method preferably comprises phosphoric acid method and zinc chloride process, and in tail gas, the initial concentration of chemical activating agent is preferably at 500-2000ppm.
A kind of purification and recovery system adopting any one method above-mentioned, comprise: absorber, have the spatial accommodation for holding Activated Carbon Production raw material, absorber gas access and absorber gas vent, described absorber gas access is communicated with the offgas outlet of active carbon production equipment.
Above-mentioned purification and recovery system, also comprise: temperature holding device, there is holding device gas access and holding device gas vent, be located between described active carbon production equipment and described absorber, wherein, described holding device gas access is communicated with the offgas outlet of described active carbon production equipment, described holding device gas vent is communicated with described absorber gas access, and the temperature be provided between the gas exported from described temperature holding device and the described tail gas entering described temperature holding device is fallen and is less than 30%.
Above-mentioned purification and recovery system, also comprise: heater, be located between described active carbon production equipment and described absorber, for heating the tail gas be passed into before described absorber, wherein, described heater comprises indirect heating apparatus and direct heater, described in ask that connecing heater is provided with heater gas access and heater gas vent, described direct heater is provided with heater gas inlet port.
Above-mentioned purification and recovery system, also comprise: blower fan, is located between described active carbon production equipment and described absorber, for driving in described absorber by described Activated Carbon Production tail gas; Or be located at described absorber rear end, discharge for described tail gas being introduced after in described absorber.
Above-mentioned purification and recovery system, comprise at least two described blower fans, is located between described active carbon production equipment and described absorber respectively and is located at described absorber rear end, for keeping pressure balance before and after described absorber.
Above-mentioned purification and recovery system, also comprise: controller of fan, for carrying out constant control to the power output of described blower fan.
Above-mentioned purification and recovery system, also comprise: temperature-detecting device, be located near described heater gas access place, temperature information is obtained for carrying out temperature detection to the described Activated Carbon Production tail gas entering described heater, described heater controls the heating power of described heater according to the temperature information that described temperature-detecting device detects, when described heater is preferably when the initial temperature of described tail gas is 30-90 DEG C, by described heater, described tail gas heating is heated up at least 20%.
Above-mentioned purification and recovery system, described absorber comprises absorber body, described spatial accommodation is positioned at described absorber body interior, described absorber gas access and described absorber gas vent are located on described absorber body, and described absorber body is also provided with charging aperture and discharging opening; Also comprise the belt conveyer with conveyer belt, be located at described absorber body interior; Wherein, described belt conveyer is for receiving the described Activated Carbon Production raw material entered from described charging aperture, and described Activated Carbon Production feedstock transportation to described discharge outlet is discharged described absorber body, described Activated Carbon Production raw material contacts with the described tail gas entered in the process of conveying, and intercepts the flowing of described tail gas.
Above-mentioned purification and recovery system, described absorber also comprises feeding warehouse, is located at described charging aperture place; Stopping means, is located at described feeding warehouse or described charging aperture place, for coordinating with described belt conveyer, and the thickness of described Activated Carbon Production raw material on the described conveyer belt that restriction is positioned at described belt conveyer.
Above-mentioned purification and recovery system, described restraint device coordinates with described belt conveyer, for the thickness of described Activated Carbon Production raw material on the described conveyer belt being positioned at described belt conveyer is restricted to 100-1000mm; Described conveyer belt one end of described belt conveyer is positioned at described charging aperture place, the other end is positioned at described discharge outlet, described belt conveyer controls transporting velocity according to the distance of described charging aperture and described discharging opening, the time of staying is on the conveyor belt to make described Activated Carbon Production raw material: 1-5h, and the flow control of described tail gas that described controller of fan is suitable for entering described absorber is: 0.1-0.8m/s.
A kind of for the above-mentioned active carbon by chemical method production purification of tail gas and the absorber of recovery, comprise: there is the spatial accommodation for holding Activated Carbon Production raw material, absorber gas access and absorber gas vent, described absorber gas access is communicated with the offgas outlet of active carbon production equipment, contacts with the tail gas given off in active carbon production equipment for making Activated Carbon Production raw material.
Above-mentioned absorber, described absorber comprises absorber body, described spatial accommodation is positioned at described absorber body interior, and described absorber gas access and described absorber gas vent are located on described absorber body, and described absorber body is also provided with charging aperture and discharging opening; Also comprise the belt conveyer with conveyer belt, be located in the described spatial accommodation of described absorber body; Wherein, described belt conveyer is for receiving the described Activated Carbon Production raw material entered from described charging aperture, and described Activated Carbon Production feedstock transportation to described discharge outlet is discharged described absorber body, described Activated Carbon Production raw material contacts with the described tail gas entered in the process of conveying, and intercepts the flowing of described tail gas.
Above-mentioned absorber, described absorber also comprises feeding warehouse, is located at described charging aperture place; Stopping means, is located at described feeding warehouse or described charging aperture place, for coordinating with described belt conveyer, and the thickness of described Activated Carbon Production raw material on the described conveyer belt that restriction is positioned at described belt conveyer.
Above-mentioned absorber, described restraint device coordinates with described belt conveyer, for the thickness of described Activated Carbon Production raw material on the described conveyer belt being positioned at described belt conveyer is restricted to 100-1000mm; Described conveyer belt one end of described belt conveyer is positioned at described charging aperture place, the other end is positioned at described discharge outlet, described belt conveyer controls transporting velocity according to the distance of described charging aperture and described discharging opening, and the time of staying is on the conveyor belt to make described Activated Carbon Production raw material: 1-5h.
Above-mentioned absorber, also comprises, spiral discharging machine, is positioned at described discharge outlet, for the Activated Carbon Production raw material of adsorption fouling thing is discharged described absorber body.
The present invention has the following advantages relative to prior art tool:
1. the present invention is that a kind of active carbon by chemical method produces the purification of tail gas and the method for comprehensive utilization, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim.Due to described tail gas, namely in waste gas, most of described pollutant is in aerosol state or the labile state secretly such as is carried by steam, the technique adopting Activated Carbon Production raw material directly to contact with gas can make the purification of pollutant described in described tail gas and the rate of recovery higher, the ratio be namely finally adsorbed between the described amount of pollutant in the described pollutant on Activated Carbon Production raw material and the tail gas of discharging from active carbon production equipment is larger.
After in phosphoric acid, hydrogen chloride, zinc chloride and wood tar contained in described pollutant, at least one pollutant is reclaimed by this method, the Activated Carbon Production raw material obtained can be directly used in consequent activities charcoal and produce, described pollutant can not be caused to waste, also secondary pollution can not be caused simultaneously, wherein, be adsorbed with the Activated Carbon Production raw material of at least one pollutant in phosphoric acid, hydrogen chloride, zinc chloride and wood tar, may be used in process for preparing activated carbon; The production of Activated Carbon Production raw material for consequent activities charcoal then can be further used as by the wood tar that Activated Carbon Production raw material adsorbs.
Meanwhile, this method technique is simple, equipment is uncomplicated, operating cost is low, easily promotes at activated carbon industry.
2. described in, the initial temperature of Activated Carbon Production tail gas is 30 ~ 250 DEG C, can be conducive to the absorption of active carbon by chemical method raw materials for production at least one pollutant in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.
3. the exhaust temperature be passed in described absorber is 60-240 DEG C, directly can be beneficial to the Activated Carbon Production raw material of high temperature production tail gas to some humidities and carry out drying, reduce moisture contained in Activated Carbon Production raw material, thus make dry and adsorbed phosphoric acid, hydrogen chloride, in zinc chloride and wood tar, the Activated Carbon Production raw material of at least one pollutant can be applied directly in consequent activities charcoal producing technique, namely the pollutant that the present invention purifies in described tail gas and recovery tail gas is produced for consequent activities charcoal, spray process is adopted to carry out vent gas treatment and consequent activities charcoal producing technique relative in prior art, decrease Activated Carbon Production raw material drying technique, thus simplify whole processing step, save production cost.
4. the usual volume of active carbon production equipment of the prior art is larger; and the volume of absorber is usual also larger; absorber can be arranged away from described active carbon production equipment usually; and Activated Carbon Production tail gas needs to rely on pipeline transmission; device for transmitting tail gas in prior art is generally metallic conduit; this pipeline, in the process exporting high-temperature gas, can cause gas temperature rapid drawdown.By temperature holding device, the tail gas given off from described active carbon production equipment is carried out to the step of temperature maintenance, the temperature between the described tail gas that exports from described temperature holding device and the described tail gas entering described temperature holding device is fallen and is less than 30%.Can effectively avoid because tail gas is being exported to the process of absorber from active carbon production equipment, because exhaust temperature rapid drawdown causes the pollutants such as the chemical activating agent carried secretly by steam in tail gas to be cooled to liquid state, cannot be brought in described absorber by steam, thus the chemical activation dosage causing absorber to touch is compared the amount of discharging from active carbon production equipment and had larger minimizing, near and cause the technical problem that adopts absorber greatly to decline to the rate of recovery that tail gas carries out chemical activating agent recovery.Control in the number range being less than 30% by described temperature is fallen, greatly can avoid this technical problem, guarantee to allow the rate of recovery be in a higher level.
5. by heater, the described tail gas given off from described active carbon production equipment is heated, can avoid on the one hand mentioning in the 4th in tail gas course of conveying, because of the technical problem that temperature decrease brings, also the temperature of the described tail gas entering into absorber can be improved, thus drying can be carried out to the Activated Carbon Production raw material of humidity further, impel the follow-up Activated Carbon Production raw material being adsorbed with chemical activating agent that directly can obtain desirable drying.
6. the exhaust temperature be passed in described absorber is 60-240 DEG C, more efficiently can carry out drying to Activated Carbon Production raw material, impels the follow-up Activated Carbon Production raw material being adsorbed with chemical activating agent that directly can obtain desirable drying.
7. be passed into the described exhaust temperature 100-230 DEG C in described absorber, more effectively can avoid the technical problem in above-mentioned 4th, also more effectively can carry out drying to Activated Carbon Production raw material, impel the follow-up Activated Carbon Production raw material being adsorbed with the pollutant that can be used for Activated Carbon Production that directly can obtain desirable drying.
8. the initial temperature of tail gas described in is 30-90 DEG C, by described heater, described tail gas heating is heated up at least 20%, as a kind of technical problem more preferred embodiment can effectively avoided in above-mentioned 4th, also more effectively can carry out drying to Activated Carbon Production raw material, impel follow-up can directly obtain desirable drying be adsorbed with comprise described in can be used for the Activated Carbon Production raw material of the pollutant of Activated Carbon Production.
9. recovery system of the present invention, comprise: absorber, Activated Carbon Production raw material is housed, there is absorber gas access and absorber gas vent, described absorber gas access is communicated with the offgas outlet of active carbon production equipment, contacts with the tail gas given off in active carbon production equipment for making Activated Carbon Production raw material.While this design can be used for the rate of recovery of the pollutant of Activated Carbon Production in raising is to tail gas, simplified apparatus greatly, reduces process costs, can reach again the effect of environmental protection.
10. absorber described in comprises absorber body, and described absorber gas access and described absorber gas vent are located on described absorber body, and described absorber body is also provided with charging aperture and discharging opening; Also comprise the belt conveyer with conveyer belt, be located at described absorber body interior; Wherein, described belt conveyer is for receiving the described Activated Carbon Production raw material entered from described charging aperture, and described Activated Carbon Production feedstock transportation to described discharge outlet is discharged described absorber body, described Activated Carbon Production raw material contacts with the described tail gas entered in the process of conveying, and intercepts the flowing of described tail gas.More than design can make to be passed into pollutant described in the described tail gas on described Activated Carbon Production raw material tackle by described Activated Carbon Production raw material and adsorbed.
11. recovery systems of the present invention, wherein, the thickness being positioned at the described Activated Carbon Production raw material on described conveyer belt is: 100-1000mm; The flow velocity entering the described tail gas of described absorber is: 0.1-0.8m/s; The time of staying is described material on the conveyor belt: 1-5h.Described Activated Carbon Production raw material not only can be effectively made to intercept the described pollutant in described tail gas and adsorb, more Activated Carbon Production raw material can be made again to be adsorbed with described pollutant, obtain the more Activated Carbon Production raw material with adsorbate, for follow-up Activated Carbon Production.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the schematic diagram of the present invention's wherein a kind of recovery system of embodiment;
Fig. 2 is the schematic diagram of the recovery system of a kind of preferred embodiment of the present invention;
Fig. 3 is the schematic diagram of the recovery system of a kind of more preferably embodiment of the present invention;
Fig. 4 is the schematic diagram of the recovery system of a kind of more preferably embodiment of the present invention.
Fig. 5 is the schematic diagram of absorber of the present invention;
1-active carbon production equipment; 2-absorber; 3-temperature holding device; 4-Activated Carbon Production raw material; 5-blower fan; 6-heater; 7-feeding warehouse; 8-absorber gas access; 9-belt conveyer; 10-spiral discharging machine; 11-conveyer belt; 12-spatial accommodation 13-charging aperture, 14-slag-drip opening; 15-absorber body.
Detailed description of the invention
Embodiment 1
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make carry out of Activated Carbon Production raw material to the pollutant that can be used for Activated Carbon Production in described tail gas adsorb and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 30 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.
Embodiment 2
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 40 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.
Embodiment 3
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 50 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.
Embodiment 4
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 60 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.
Embodiment 5
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 70 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 60 DEG C.
Embodiment 6
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 80 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 70 DEG C.
Embodiment 7
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 90 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 80 DEG C.
Embodiment 8
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 100 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 90 DEG C.
Embodiment 9
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 105 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 100 DEG C.
Embodiment 10
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 110 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 100 DEG C.
Embodiment 11
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 120 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 110 DEG C.
Embodiment 12
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 150 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 130 DEG C.
Embodiment 13
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 160 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 150 DEG C.
Embodiment 14
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 180 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 160 DEG C.
Embodiment 15
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 240 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 230 DEG C.
Embodiment 16
A kind of active carbon by chemical method of the present invention produces purification and the recovery method of tail gas, comprise the following steps: Activated Carbon Production raw material is contacted with the tail gas given off in active carbon production equipment, thus make Activated Carbon Production raw material adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim, wherein, described pollutant comprises at least one in phosphoric acid, hydrogen chloride, zinc chloride and wood tar.Described Activated Carbon Production raw material is preferably placed in absorber, and described tail gas is imported in described absorber and adsorbs.The initial temperature of described tail gas is preferably 250 DEG C.Described Activated Carbon Production raw material is preferably carbon containing Plant Powder and minces, and described carbon containing Plant Powder minces at least one comprised in furfural dregs, bagasse, tangerine bar crushed material, fruit stone shell crushed material and wood chip etc.The described exhaust temperature be passed in described absorber is 240 DEG C.
Embodiment 17
The purification of a kind of active carbon by chemical method production tail gas of the present invention and recovery method are on the basis of any one embodiment above-mentioned, also comprise the step of by temperature holding device, the described tail gas given off from described active carbon production equipment being carried out to temperature maintenance, the temperature between the described tail gas that exports from described temperature holding device and the described tail gas entering described temperature holding device is fallen and is less than 30%.Described temperature falls=temperature value of the described tail gas of (temperature value of the described tail gas of the temperature value-output of the described tail gas of input)/input, and the unit of described temperature value is degree Celsius.The thickness of described Activated Carbon Production raw material is: 100-1000mm; The flow velocity entering the described tail gas of described absorber is: 0.1-0.8m/s; The time of staying is described material on the conveyor belt: 1-5h.The time of staying coordinates the described pollutant that can realize in tail gas can be intercepted by described Activated Carbon Production raw material on the conveyor belt for the thickness of described Activated Carbon Production raw material, the flow velocity of described tail gas and described material, and other gas can be discharged through described Activated Carbon Production raw material.
Embodiment 18
The purification of a kind of active carbon by chemical method production tail gas of the present invention and recovery method, on the basis of any one embodiment of embodiment 1-3, are also comprised: heated the described tail gas given off from described active carbon production equipment by heater.Be preferably by described tail gas heating to 60-240 DEG C, be more preferably and be heated to 100-230 DEG C.
When the initial temperature of described tail gas is 30-90 DEG C, as another kind more preferably embodiment, by described heater, described tail gas heating is heated up at least 20%.This percentage calculation mode is: the temperature value of described tail gas before (temperature value of the described tail gas before the temperature value-heating of the described tail gas after heating)/heating, and the unit of described temperature value is degree Celsius.
Embodiment 19
As shown in Figure 1, a kind of active carbon by chemical method of the present invention produces purification and the recovery system of tail gas, comprise: absorber 2, Activated Carbon Production raw material 4 is housed, have absorber gas access and absorber gas vent, described absorber 2 gas access is communicated with the offgas outlet of active carbon production equipment 1.Preferably comprise: temperature holding device 3, there is holding device gas access and holding device gas vent, be located between described active carbon production equipment 1 and described absorber 2, wherein, described holding device gas access is communicated with the offgas outlet of described active carbon production equipment 1, and described holding device gas vent is communicated with described absorber gas access; The temperature be provided between the described tail gas exported from described temperature holding device and the described tail gas entering described temperature holding device is fallen and is less than 30%.Described temperature falls=temperature value of the described tail gas of (temperature value of the described tail gas of the temperature value-output of the described tail gas of input)/input, and the unit of described temperature value is degree Celsius.
Preferably, as shown in Figure 2, can also comprise: blower fan 5, be located between described active carbon production equipment 1 and described absorber 2, preferably be located between described active carbon production equipment and described temperature holding device, for described tail gas is driven in described absorber 2.As another kind of alternative embodiments, described blower fan also can be located at the rear end of described absorber, discharges for being introduced by described tail gas after in described absorber.
In addition, as a kind of embodiment of improvement, can also comprise: also comprise controller of fan, for carrying out constant control to the power output of described blower fan.
Embodiment 20
As shown in Figure 3, a kind of active carbon by chemical method of the present invention produces purification and the recovery system of tail gas, comprising: absorber 2, Activated Carbon Production raw material 4 is housed, have absorber gas access and absorber gas vent, described absorber gas access is communicated with the offgas outlet of active carbon production equipment 1.Preferably also comprise: heater 6, there is heater gas access and heater gas vent, be located between described active carbon production equipment 1 and described absorber 2, for heating the tail gas be passed into before described absorber 2.Can also comprise: blower fan 5, be located between described active carbon production equipment 1 and described absorber 2, preferably be located between heater 6 and described absorber 2, for described tail gas is driven in described absorber 2.As another kind of alternative embodiments, described blower fan also can be located at the rear end of described absorber, discharges for being introduced by described tail gas after in described absorber.
Preferably also comprise temperature-detecting device (not marking), be located near described heater gas access place, temperature information is obtained for carrying out temperature detection to the described tail gas entering described heater, described heater controls the heating power of described heater according to the temperature information that described temperature-detecting device detects, when described heater is preferably when the initial temperature of described tail gas is 30-90 DEG C, by described heater, described tail gas heating is heated up at least 20%.
In addition, as a kind of embodiment of improvement, can also comprise: controller of fan, for carrying out constant control to the power output of described blower fan.
Embodiment 21
As shown in Figure 4, a kind of active carbon by chemical method of the present invention produces purification and the recovery system of tail gas, comprise: absorber 2, there is the spatial accommodation 12 for holding Activated Carbon Production raw material 4, there is absorber gas access and absorber gas vent, described absorber gas access is communicated with the offgas outlet of active carbon production equipment, contacts with the tail gas given off in active carbon production equipment for making Activated Carbon Production raw material.Preferably comprise: heater 6, there is heater gas access and heater gas vent, be located between described active carbon production equipment and described absorber, for heating the tail gas be passed into before described absorber 2.
Preferably also comprise: temperature holding device 4, there is holding device gas access and holding device gas vent, be located between described active carbon production equipment 1 and described absorber 2, wherein, described holding device gas access is communicated with the offgas outlet of described active carbon production equipment 1, described holding device gas vent is communicated with described absorber gas access, and the temperature be provided between the described tail gas exported from described temperature holding device and the described tail gas entering described temperature holding device is fallen and is less than 30%.
Can also comprise: at least two blower fans 5, be located between described active carbon production equipment and described absorber respectively and be located at described absorber rear end, for keeping pressure balance before and after described absorber.
Preferably also comprise temperature-detecting device (not marking), be located near described heater gas access place, temperature information is obtained for carrying out temperature detection to the described tail gas entering described heater, described heater controls the heating power of described heater according to the temperature information that described temperature-detecting device detects, when described heater is preferably when the initial temperature of described tail gas is 30-90 DEG C, by described heater, described tail gas heating is heated up at least 20%.This percentage calculation mode is: the temperature value of described tail gas before (temperature value of the described tail gas before the temperature value-heating of the described tail gas after heating)/heating, and the unit of described temperature value is degree Celsius.
In addition, as a kind of embodiment of improvement, can also comprise: controller of fan, for carrying out constant control to the power output of described blower fan.
As the embodiment that another improves, as shown in Figure 5, the purification of the present embodiment and recovery system,
Wherein, described absorber comprises absorber body 15, described spatial accommodation 12 is positioned at the inside of described absorber body 15, described absorber gas access 8 and described absorber gas vent (herein not marking) are located on described absorber body 15, described absorber body 15 are also provided with charging aperture 13 and discharging opening (not marking); Also comprise the belt conveyer 9 with conveyer belt 11, be located in the described spatial accommodation 12 of described absorber body 15; Wherein, described belt conveyer 9 is for receiving the described Activated Carbon Production raw material 4 entered from described charging aperture 13, and described Activated Carbon Production raw material 4 is delivered to described discharge outlet discharges described absorber body 15, described Activated Carbon Production raw material 13 contacts with the described tail gas entered in the process of conveying, wherein, in order to realize contact, described tail gas enters the flow direction of described absorber can the Motion Parallel or vertical of relatively described Activated Carbon Production raw material; Be preferably, described Activated Carbon Production raw material can realize intercepting the flowing of described tail gas, the preferable flow rate direction entering described absorber to tail gas described in this is the direction of motion perpendicular to described Activated Carbon Production raw material, and flow to described Activated Carbon Production raw material, be more preferably, described absorber gas access is located at directly over described absorber body, and described tail gas flows to described Activated Carbon Production raw material from top to bottom.In addition, described absorber also preferably comprises feeding warehouse 7, is located at described charging aperture 13 place; Stopping means (herein not marking), is located at described feeding warehouse 7 or described charging aperture place, for coordinating with described belt conveyer 9, and the thickness of described Activated Carbon Production raw material 4 on the described conveyer belt 11 that restriction is positioned at described belt conveyer.
For purification of the present invention and recovery system, described restraint device coordinates with described belt conveyer, for the thickness of described Activated Carbon Production raw material on the described conveyer belt being positioned at described belt conveyer is restricted to 100-1000mm; Described conveyer belt one end of described belt conveyer is positioned at described charging aperture place, the other end is positioned at described discharge outlet, described belt conveyer controls transporting velocity according to the distance of described charging aperture and described discharging opening, the time of staying is on the conveyor belt to make described Activated Carbon Production raw material: 1-5h, and the flow control of the described tail gas that described controller of fan is suitable for entering described absorber is: 0.1-0.8m/s.
The time of staying coordinates the described pollutant that can realize in tail gas can be intercepted by described Activated Carbon Production raw material on the conveyor belt for the thickness of described Activated Carbon Production raw material, the flow velocity of described tail gas and described material, and other gas can be discharged through described Activated Carbon Production raw material.Described discharge outlet is also provided with spiral discharging machine 10 further, for the Activated Carbon Production raw material being adsorbed with described pollutant is discharged described discharging opening.Described absorber bottoms is also provided with slag-drip opening 14.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (2)
1. produce purification and the recovery system of tail gas for active carbon by chemical method, comprising:
Absorber, there is the spatial accommodation for holding Activated Carbon Production raw material, absorber gas access and absorber gas vent, described absorber gas access is suitable for being communicated with the offgas outlet of active carbon production equipment, for making Activated Carbon Production raw material contact with the tail gas given off in active carbon production equipment, thus Activated Carbon Production raw material is made to adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim;
Wherein, described absorber comprises absorber body, described spatial accommodation is positioned at described absorber body interior, and described absorber gas access and described absorber gas vent are located on described absorber body, and described absorber body is also provided with charging aperture and discharging opening; Also comprise the belt conveyer with conveyer belt, be located in the described spatial accommodation of described absorber body; Wherein, described belt conveyer is for receiving the described Activated Carbon Production raw material entered from described charging aperture, and described Activated Carbon Production feedstock transportation to described discharge outlet is discharged described absorber body, described Activated Carbon Production raw material contacts with the described tail gas entered in the process of conveying, and intercepts the flowing of described tail gas;
Described absorber also comprises feeding warehouse, is located at described charging aperture place; Stopping means, is located at described feeding warehouse or described charging aperture place, for coordinating with described belt conveyer, and the thickness of described Activated Carbon Production raw material on the described conveyer belt that restriction is positioned at described belt conveyer;
It is characterized in that:
Described restraint device coordinates with described belt conveyer, for the thickness of described Activated Carbon Production raw material on the described conveyer belt being positioned at described belt conveyer is restricted to 100-1000mm; Described conveyer belt one end of described belt conveyer is positioned at described charging aperture place, the other end is positioned at described discharge outlet, described belt conveyer controls transporting velocity according to the distance of described charging aperture and described discharging opening, and the time of staying is on the conveyor belt to make described Activated Carbon Production raw material: 1-5h
; Described purification and recovery system also comprise controller of fan,the flow control of the described tail gas that described controller of fan is suitable for entering described absorber is: 0.1-0.8m/s.
2. produce the purification of tail gas and the absorber of recovery for active carbon by chemical method for one kind, comprise: there is the spatial accommodation for holding Activated Carbon Production raw material, absorber gas access and absorber gas vent, described absorber gas access is communicated with the offgas outlet of active carbon production equipment, for making Activated Carbon Production raw material contact with the tail gas given off in active carbon production equipment, thus Activated Carbon Production raw material is made to adsorb the pollutant that can be used for Activated Carbon Production in described tail gas and reclaim;
Wherein, described absorber comprises absorber body, described spatial accommodation is positioned at described absorber body interior, and described absorber gas access and described absorber gas vent are located on described absorber body, and described absorber body is also provided with charging aperture and discharging opening; Also comprise the belt conveyer with conveyer belt, be located in the described spatial accommodation of described absorber body; Wherein, described belt conveyer is for receiving the described Activated Carbon Production raw material entered from described charging aperture, and described Activated Carbon Production feedstock transportation to described discharge outlet is discharged described absorber body, described Activated Carbon Production raw material contacts with the described tail gas entered in the process of conveying, and intercepts the flowing of described tail gas;
Described absorber also comprises feeding warehouse, is located at described charging aperture place; Stopping means, is located at described feeding warehouse or described charging aperture place, for coordinating with described belt conveyer, and the thickness of described Activated Carbon Production raw material on the described conveyer belt that restriction is positioned at described belt conveyer;
It is characterized in that:
Described restraint device coordinates with described belt conveyer, for the thickness of described Activated Carbon Production raw material on the described conveyer belt being positioned at described belt conveyer is restricted to 100-1000mm; Described conveyer belt one end of described belt conveyer is positioned at described charging aperture place, the other end is positioned at described discharge outlet, described belt conveyer controls transporting velocity according to the distance of described charging aperture and described discharging opening, and the time of staying is on the conveyor belt to make described Activated Carbon Production raw material: 1-5h.
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|---|---|---|---|
| CN201510651345.8A CN105381684B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510666193.9A CN105582780B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system and absorber |
| CN201510666136.0A CN105582785B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201410006514.8A CN103768890B (en) | 2014-01-07 | 2014-01-07 | A kind of active carbon by chemical method produces the purification of tail gas and recovery system and absorber |
| CN201510651319.5A CN105597484B (en) | 2014-01-07 | 2014-01-07 | Active carbon by chemical method produces purification and the recovery system of tail gas |
| CN201510651332.0A CN105381678B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510666065.4A CN105582784B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
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| CN201410006514.8A CN103768890B (en) | 2014-01-07 | 2014-01-07 | A kind of active carbon by chemical method produces the purification of tail gas and recovery system and absorber |
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| CN201510651332.0A Division CN105381678B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510666193.9A Division CN105582780B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system and absorber |
| CN201510666065.4A Division CN105582784B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510651319.5A Division CN105597484B (en) | 2014-01-07 | 2014-01-07 | Active carbon by chemical method produces purification and the recovery system of tail gas |
| CN201510651345.8A Division CN105381684B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510666136.0A Division CN105582785B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
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| CN103768890A CN103768890A (en) | 2014-05-07 |
| CN103768890B true CN103768890B (en) | 2016-04-13 |
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| CN201510651345.8A Active CN105381684B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510651332.0A Active CN105381678B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201410006514.8A Active CN103768890B (en) | 2014-01-07 | 2014-01-07 | A kind of active carbon by chemical method produces the purification of tail gas and recovery system and absorber |
| CN201510651319.5A Expired - Fee Related CN105597484B (en) | 2014-01-07 | 2014-01-07 | Active carbon by chemical method produces purification and the recovery system of tail gas |
| CN201510666193.9A Expired - Fee Related CN105582780B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system and absorber |
| CN201510666136.0A Active CN105582785B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
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| CN201510651345.8A Active CN105381684B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN201510651332.0A Active CN105381678B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
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| CN201510666193.9A Expired - Fee Related CN105582780B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system and absorber |
| CN201510666136.0A Active CN105582785B (en) | 2014-01-07 | 2014-01-07 | The purification of active carbon by chemical method production tail gas and recovery system |
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| CN105582784B (en) * | 2014-01-07 | 2018-02-23 | 上海三山炭业科技有限公司 | The purification of active carbon by chemical method production tail gas and recovery system |
| CN106672964A (en) * | 2016-12-22 | 2017-05-17 | 桂东县湘浙活性炭有限公司 | Comprehensive pyrolysis gas collection and recycling process in active carbon production process |
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| CN201228234Y (en) * | 2008-03-13 | 2009-04-29 | 项缙农 | Active carbon preparation apparatus by chemical method with purification exhaust and recovery activator function |
| DE102009032810A1 (en) * | 2009-07-10 | 2011-01-13 | BLüCHER GMBH | Plant and process for the production of activated carbon |
| CN201840979U (en) * | 2010-11-08 | 2011-05-25 | 深圳市翔宇环保科技有限公司 | Smoke gas comprehensive treatment system |
| CN102515163A (en) * | 2011-12-21 | 2012-06-27 | 福建元力活性炭股份有限公司 | Method for recycling phosphoric acid from tail gas produced in carbonization and activation of active carbon in phosphoric acid process |
| CN103112836B (en) * | 2013-01-30 | 2014-12-17 | 项瑞芳 | Method for recycling phosphoric acid in tail gas generated in process of producing activated carbon by phosphoric acid process and utilizing afterheat of tail gas |
| CN203264532U (en) * | 2013-04-24 | 2013-11-06 | 浙江省林业科学研究院 | Active tail gas purification treatment equipment for preparing active carbon through chemical method |
| CN103446851B (en) * | 2013-08-21 | 2015-03-11 | 泉州市天龙环境工程有限公司 | Recovery and purification device and method for phosphoric acid from tail gases generated in chemical method activated carbon production process |
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| CN105582784B (en) * | 2014-01-07 | 2018-02-23 | 上海三山炭业科技有限公司 | The purification of active carbon by chemical method production tail gas and recovery system |
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2014
- 2014-01-07 CN CN201510666065.4A patent/CN105582784B/en active Active
- 2014-01-07 CN CN201510651345.8A patent/CN105381684B/en active Active
- 2014-01-07 CN CN201510651332.0A patent/CN105381678B/en active Active
- 2014-01-07 CN CN201410006514.8A patent/CN103768890B/en active Active
- 2014-01-07 CN CN201510651319.5A patent/CN105597484B/en not_active Expired - Fee Related
- 2014-01-07 CN CN201510666193.9A patent/CN105582780B/en not_active Expired - Fee Related
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| CN201625490U (en) * | 2010-03-19 | 2010-11-10 | 铜陵市陵阳化工有限责任公司 | Exhaust gas purifying device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105582780B (en) | 2018-01-19 |
| CN105381678A (en) | 2016-03-09 |
| CN105582785A (en) | 2016-05-18 |
| CN103768890A (en) | 2014-05-07 |
| CN105582780A (en) | 2016-05-18 |
| CN105597484B (en) | 2018-07-13 |
| CN105381684B (en) | 2018-02-23 |
| CN105381678B (en) | 2018-01-16 |
| CN105597484A (en) | 2016-05-25 |
| CN105582784A (en) | 2016-05-18 |
| CN105582785B (en) | 2018-01-19 |
| CN105582784B (en) | 2018-02-23 |
| CN105381684A (en) | 2016-03-09 |
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Effective date of registration: 20160323 Address after: 334700 Chengxi Industrial Zone, Yushan County, Jiangxi Applicant after: Yushan Sanqing Activated Carbon Factory Address before: 200237 Shanghai old humin road 666 Lane 8, Room 501 Applicant before: Shanghai Kangjie Air Purification Technology Co., Ltd. |