CN202778199U - Waste gas recovery treatment system - Google Patents
Waste gas recovery treatment system Download PDFInfo
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- CN202778199U CN202778199U CN 201220370854 CN201220370854U CN202778199U CN 202778199 U CN202778199 U CN 202778199U CN 201220370854 CN201220370854 CN 201220370854 CN 201220370854 U CN201220370854 U CN 201220370854U CN 202778199 U CN202778199 U CN 202778199U
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Abstract
The utility model relates to a waste gas recovery treatment system, and particularly relates to a waste gas recovery treatment system for storing various chemical tank areas. The waste gas recovery treatment system comprises a waste gas conveying device and a purified gas discharging device, and further comprises an absorption device and a catalytic oxidation device, which are mutually connected; the waste gas conveying device is connected with the absorption device; the purified gas discharging device is respectively connected with the absorption device and the catalytic oxidation device; and the absorption device is an absorption device with more than one stage. With the adoption of the waste gas recovery treatment system provided by the utility model, the recovery treatment problem of the components of organic chemical products and the like in waste gas can be sufficiently solved; the environmental pollution surrounding a chemical product irrigation area and an irrigation area can be effectively avoided; and the waste gas recovery treatment system is obviously environment-friendly and energy-conversation, and is applicable to the waste gas recovery treatment generated by different chemical storage tanks with various properties, such as a floating cover storage tank, and an arc cover storage tank.
Description
Technical field
The utility model relates to a kind of waste gas reclamation treatment system, relates in particular to be used to the waste gas reclamation treatment system that stores multiple chemicals tank field.
Background technology
At present, chemical products are widely used, and the land used of storage also increases increasingly, has formed the different storage irrigated area of many scales.Store in the irrigated area at these chemicals, majority is that different chemicals are deposited jointly in enormous quantities, all there is volatilization in various degree in chemicals, when causing the chemicals waste, also cause irrigated area and irrigated area surrounding air to be polluted, particularly the storage irrigated area of organic chemical industry's product, this type of pollution and waste are particularly serious, if in time do not process, also may react between each chemicals that volatilizees and/or overflow, thereby cause even more serious impact.Therefore, need the technology that the waste gas in irrigated area to the storage chemicals recycles of researching and developing out badly.
In the prior art, patent CN201120165573.1 provides a kind of device for recycling exhaust gas, comprising: the waste gas that links to each other with each gas emission device and rectifying column reclaims surge tank; Reclaim at least one condenser that surge tank links to each other with described waste gas; The waste gas lime set recycling can that links to each other with described condenser; Reclaim the tank field chlorosilane storage tank that surge tank links to each other with described waste gas lime set recycling can, rectifying column and waste gas.This utility model is by will be after the supporting emission-control equipment of each production process is processed, do not process yet clean waste gas fully and carry out centralized recovery, and reduce pressure, condensation process, the waste gas that makes recovery reenters in the reduction furnace after rectifying column is purified and uses, thereby reduce the discharge capacity of waste gas, reclaim simultaneously a large amount of chlorosilanes for production and application, reduced the production cost of polysilicon.
But, this device for recycling exhaust gas only scope of application is single, and waste gas only carries out decompression condensation to be processed, process and do not carry out thoroughly, reduce the composition that discharge capacity does not but fundamentally change emission, inevitably also there is pollution in environment, is not suitable for applying, especially be not suitable for using in the multiple chemicals of storage irrigated area.
The utility model content
The purpose of this utility model is that the problem for prior art exists provides a kind of waste gas reclamation treatment system, realizes the high efficiente callback of storage chemicals irrigated area waste gas is processed, and reaches effects of energy conservation and environmental protection with setting low-cost, that optimize.
The technical scheme that the utility model is dealt with problems is: a kind of waste gas reclamation treatment system, comprise exhaust-carrying device and purified gas tapping equipment, wherein, also comprise interconnective adsorbent equipment and catalytic oxidizing equipment, described exhaust-carrying device is connected with described adsorbent equipment, described purified gas tapping equipment is connected with described catalytic oxidizing equipment with described adsorbent equipment respectively, and described adsorbent equipment is the above adsorbent equipment of one-level.
Further, the utility model waste gas reclamation treatment system also comprises interconnective buffering stable-pressure device and supercharging device, and wherein, described exhaust-carrying device, buffering stable-pressure device, supercharging device are connected by the waste gas pipeline road successively with adsorbent equipment.
Further, the utility model waste gas reclamation treatment system also comprises condensate recycling device, and described condensate recycling device comprises interconnective condenser, the condensate liquid recycling can that is provided with the condensation unit; Described condenser is connected with described exhaust-carrying device, and described condenser is connected with described buffering stable-pressure device.
Further, described adsorbent equipment is the one-level adsorbent equipment, comprises the first adsorption tower and the second adsorption tower that can alternately change use; The bottom of described the first adsorption tower and the second adsorption tower is connected with the bottom of described catalytic oxidizing equipment by the adsorbate conveyance conduit; The top of described the first adsorption tower and the second adsorption tower is connected with the bottom of described catalytic oxidizing equipment by catalytic oxidation product output channel; The top of described the first adsorption tower and the second adsorption tower is connected with described purified gas tapping equipment by adsorption cleaning gas output channel; Described catalytic oxidizing equipment is connected with described purified gas tapping equipment by catalytic oxidation product output channel.
Preferably, in described catalytic oxidizing equipment, be provided with recuperation layer and Catalytic Layer from bottom to top; In described the first adsorption tower and the second adsorption tower, be provided with activated carbon adsorption bed; Be provided with the online concentration analyzer of measuring effluent concentration at the top exit place of described the first adsorption tower and the second adsorption tower.
Preferably, described recuperation layer is the ceramic heat-storing layer, can also be made of the material of other high insulating effect; Described Catalytic Layer can have the catalyst layer of close catalytic performance for Pt Catalytic Layer, Pd Catalytic Layer, Ni Catalytic Layer, Cu Catalytic Layer or other.
Further, be provided with air-introduced machine at catalytic oxidation product output channel.
Further, described exhaust-carrying device is the chemicals storage tank that is positioned at the discharging waste gas in chemicals storage irrigated area.
Preferably, the bottom of described the first adsorption tower and the second adsorption tower is provided with waste gas input control valve, adsorbate output control valve; The top of described the first adsorption tower and the second adsorption tower is provided with adsorption cleaning gas dump valve, oxidation product input control valve; The bottom of described catalytic oxidizing equipment is provided with adsorbate input control valve and oxidation product output control valve.Preferably, on the described waste gas pipeline road, on the adsorbate conveyance conduit, catalytic oxidation product output channel is provided with barometric damper; Top at the first adsorption tower and the second adsorption tower is provided with control valve for subsequent use.
Preferably, described adsorbent equipment can also be set to secondary or secondary replaces continous way according to actual needs; Described catalytic oxidizing equipment can also be set to two or the two above devices that replace the use of replacing formulas according to actual needs.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product storage tank, and the utility model carries out the waste gas recycling, comprises the steps:
(1) waste gas input
In adsorbent equipment, input waste gas by exhaust-carrying device;
(2) waste gas absorption
Adsorbent in the adsorbent equipment carries out adsorbing separation to the waste gas that enters adsorbent equipment, and gained adsorption cleaning gas enters the discharging of purified gas tapping equipment;
(3) adsorbate desorb
The adsorbate of adsorbent equipment absorption in the step (2) is carried out desorb;
(4) catalytic oxidation
By catalytic oxidizing equipment the desorb thing of step (3) gained is carried out catalytic oxidation, the gained oxidation product delivers into respectively purified gas tapping equipment and adsorbent equipment, the oxidation product that enters the purified gas tapping equipment discharges, and enters the oxidation product of adsorbent equipment as the adsorbate desorption gas.
Further, in step (1), waste gas is input in the adsorbent equipment after buffering stable-pressure device voltage stabilizing and supercharging device supercharging by the waste gas pipeline road successively from exhaust-carrying device.
Further, in step (1), waste gas is before entering the buffering stable-pressure device, carry out condensation by condenser first, condensation gained liquid enters liquid withdrawal system, and condensation gained gas is input in the adsorbent equipment through the supercharging device supercharging after entering the voltage stabilizing of buffering stable-pressure device again.
Further:
In step (2), described adsorbent equipment is the one-level adsorbent equipment, comprises the first adsorption tower and the second adsorption tower, described the first adsorption tower and the second adsorption tower adsorbing separation that hockets;
In step (3), during to the adsorbate desorb of step (2) absorption gained, pass into first hot gas in the first adsorption tower or the second adsorption tower and add thermal desorption, pass into normal temperature air again and lower the temperature;
In step (4), be provided with recuperation layer and Catalytic Layer in the described catalytic oxidizing equipment from bottom to top, the desorb thing of step (3) gained carries out catalytic oxidation in Catalytic Layer and oxidant after the recuperation layer heating, the gained oxidation product delivers into respectively purified gas tapping equipment and adsorbent equipment, the oxidation product that enters the purified gas tapping equipment discharges, and the oxidation product that enters the first adsorption tower of adsorbent equipment or the second adsorption tower carries out step (3) as the hot gas of adsorbate desorption gas.
Further, in step (4), described catalytic oxidation product is carried by the booster fan supercharging that arranges on the output channel.
Preferably:
In step (2), be provided with the online concentration analyzer of measuring effluent concentration at the top exit place of described the first adsorption tower and the second adsorption tower, the concentration that records effluent by online concentration analyzer analysis reaches 20g/m
3When above, change the first adsorption tower or the second adsorption tower adsorb, when the first adsorption tower or the second adsorption tower begin to adsorb, the first adsorption tower or the second adsorption tower that changes carried out step (3);
In step (2), be provided with adsorbent bed in described the first adsorption tower and the second adsorption tower, adsorbent is active carbon, described active carbon specific surface is 1,500,000m
2/ kg ~ 2,300,000m
2/ kg can also select pore structure and the corresponding adsorbents of specific surface such as silica gel, aluminium oxide, molecular sieve according to actual conditions;
In step (4), described catalyst is Pt, Pd, Ni or Cu, and described oxidant is air, avoids introducing other impurity; The temperature of described catalytic oxidation is 250 ℃～350 ℃.
Further, in step (4), the gained oxidation product divides two parts to process, and a part enters the purified gas tapping equipment, and a part enters adsorbent equipment, and described two-part ratio can be adjusted according to actual needs.
In the utility model waste gas reclamation treatment system, the setting of adsorbent equipment and catalytic oxidizing equipment fully realized the circulating recycling of waste gas, and effects of energy conservation and environmental protection is remarkable; When using the utility model gas withdrawal processing technique, to the alternative expression absorption of waste gas, the abundant recovery of waste gas and the organic efficiency of waste gas are protected in the described step (2), simultaneously, waste gas purification are protected; In the described step (3), to the gas purging desorb of adsorbate, the abundant processing of waste gas is further ensured; The employing of catalyst described in the described step (4), the oxygen that makes the air of waste gas in the catalytic oxidizing equipment has carried out catalytic oxidation as oxidant, generate carbon dioxide and water, there is not the naked light burning, and, catalytic oxidation process is just at the waste gas of processing charcoal absorption, rather than the waste gas of directly discharging from storage tank, directly do not communicate between catalytic oxidizing equipment and the chemical products storage tank, both have been formed separate and separate system's setting, for the safety of whole system provides guarantee; Moreover, adsorbate waste gas is passed to recuperation layer by the heat that the nonflame oxidation is produced, the recuperation layer absorbing heat uses as the follow-up adsorbate waste gas of heating, the temperature of simultaneous oxidation product reduces, and, partial oxidation products utilizes as the hot gas of adsorbent reactivation and adsorbate desorb, has fully realized the recycling of energy, has reached the purpose of energy-saving consumption-reducing and high-efficiency environment friendly; In addition, whole waste gas treatment process Adsorption and desorption or the catalytic oxidation of system all are to carry out under normal pressure, thereby further provide guarantee for the safety of whole system; At last, the gas main component of auto purification gas tapping equipment discharging is nitrogen, carbon dioxide, a small amount of oxygen, satisfies relevant emission standards fully, can not pollute air, and resident's health was without impact near the relevant staff was reached; The purification efficiency that application the utility model carries out exhaust-gas treatment does not have problem of secondary pollution up to more than 99%, generates without waste water, and be green cleaning exhaust gas treatment process.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is rationally novel in design, the simple environmental protection of technological process, and security performance is high, by the circulating recycling of adsorbing and catalytic oxidation combines, fully realized the recycling of the components such as organic chemical industry product in the waste gas, effectively avoided causing environmental pollution around chemicals irrigated area and the irrigated area;
2, innovative design of the present utility model; simple operation is efficient; when making external environment obtain adequately protecting, realized the efficient economizing of the energy, the environmental protection and energy saving effect is remarkable; be applicable to the waste gas recycling of the chemicals storage tank generation of the various different in kinds such as floating roof tank, vault storage tank; according to the difference of exhaust gas concentration, can adopt partially recycled, section processes, perhaps; the technical scheme of directly processing, the double effects of realization economy and environmental protection.
Description of drawings
Fig. 1 is the structural representation of the utility model waste gas reclamation treatment system among the embodiment 1;
Fig. 2 is the structural representation of the utility model waste gas reclamation treatment system among the embodiment 2;
Fig. 3 is the structural representation of the utility model waste gas reclamation treatment system among the embodiment 3.
Shown in the figure: 1-exhaust-carrying device, 101-floating roof chemicals storage tank, 102-vault chemicals storage tank; 2-cushions stable-pressure device, the 3-supercharging device, 4-purified gas tapping equipment, 5-catalytic oxidizing equipment, 6-waste gas pipeline road, 7-the first adsorption tower, 8-the second adsorption tower, 9-adsorbate conveyance conduit, 10-catalytic oxidation product output channel, 11-adsorption cleaning gas output channel, 12-air-introduced machine, 13-waste gas input control valve, 14-adsorbate output control valve, 15-adsorption cleaning gas dump valve, 16-oxidation product input control valve, 17-adsorbate input control valve, 18-oxidation product output control valve, 19-condensation unit, 20-condenser, 21-condensate liquid recycling can.
The specific embodiment
As shown in Figure 1, the utility model waste gas reclamation treatment system, comprise exhaust-carrying device 1, buffering stable-pressure device 2, supercharging device 3, purified gas tapping equipment 4 and interconnective adsorbent equipment and catalytic oxidizing equipment 5, exhaust-carrying device 1 is connected with described adsorbent equipment, purified gas tapping equipment 4 is connected with catalytic oxidizing equipment 5 with described adsorbent equipment respectively, exhaust-carrying device 1, buffering stable-pressure device 2, supercharging device 3 are connected by waste gas pipeline road 6 successively with adsorbent equipment, wherein:
Described adsorbent equipment is the one-level adsorbent equipment, comprises the first adsorption tower 7 and the second adsorption tower 8 that can alternately change use;
The bottom of the first adsorption tower 7 and the second adsorption tower 8 is connected by the bottom of adsorbate conveyance conduit 9 with catalytic oxidizing equipment 5;
The top of the first adsorption tower 7 and the second adsorption tower 8 is connected with the bottom of catalytic oxidizing equipment 5 by catalytic oxidation product output channel 10;
The top of the first adsorption tower 7 and the second adsorption tower 8 is connected with purified gas tapping equipment 4 by adsorption cleaning gas output channel 11;
Catalytic oxidizing equipment 5 is connected with purified gas tapping equipment 4 by catalytic oxidation product output channel 10;
Be provided with the air-introduced machine 12 that flows of being convenient to accelerate the catalytic oxidation product at catalytic oxidation product output channel 10;
The bottom of the first adsorption tower 7 and the second adsorption tower 8 is provided with waste gas input control valve 13 and adsorbate output control valve 14;
The top of the first adsorption tower 7 and the second adsorption tower 8 is provided with adsorption cleaning gas dump valve 15 and oxidation product input control valve 16;
The bottom of catalytic oxidizing equipment 5 is provided with adsorbate input control valve 17 and oxidation product output control valve 18.
In above-described embodiment:
Be provided with recuperation layer (not shown) and Catalytic Layer in catalytic oxidizing equipment 5 from bottom to top, described recuperation layer is the ceramic heat-storing layer, can also be made of the material of other high insulating effect; Described Catalytic Layer is that Pt Catalytic Layer, Pd Catalytic Layer, Ni Catalytic Layer, Cu Catalytic Layer or other have the Catalytic Layer of close catalytic performance;
In the first adsorption tower 7 and the second adsorption tower 8, be provided with the activated carbon adsorption bed (not shown);
Be provided with the online concentration analyzer (not shown) of measuring effluent concentration at the top exit place of the first adsorption tower 7 and the second adsorption tower 8;
Described exhaust-carrying device 1 is stored the floating roof chemicals storage tank of the discharging waste gas in irrigated area for being positioned at chemicals;
Described buffering stable-pressure device 2 is surge tank; Described supercharging device 3 is booster pump.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product floating roof tank, carries out the waste gas recycling, comprise the steps:
(1) waste gas input
Waste gas from exhaust-carrying device 1 by waste gas pipeline road 6 successively after buffering stable-pressure device 2 voltage stabilizings and supercharging device 3 superchargings, enter in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again;
(2) waste gas absorption
Adsorbent in the first adsorption tower 7 and the second adsorption tower 8 is to the waste gas that the enters adsorbing separation that hockets, and gained adsorption cleaning gas enters 4 dischargings of purified gas tapping equipment through adsorption cleaning gas dump valve 15;
Wherein, the concentration that records effluent by described online concentration analyzer analysis reaches 20g/m
3When above, change the first adsorption tower 7 or the second adsorption tower 8 adsorb, when the first adsorption tower 7 or the second adsorption tower 8 begin to adsorb, the first adsorption tower 7 or the second adsorption tower 8 that changes carried out step (3);
(3) adsorbate desorb
Adsorbate to step (2) first adsorption towers 7 or the second adsorption tower 8 absorption gained carries out desorb, passes into first hot gas in the first adsorption tower 7 or the second adsorption tower 8 and adds thermal desorption, passes into normal temperature air again and lower the temperature;
(4) catalytic oxidation
The desorb thing of step (3) gained enters catalytic oxidizing equipment 5 by adsorbate output control valve 14 through adsorbate conveyance conduit 9 and adsorbate input control valve 17, after the recuperation layer heating, enter again Catalytic Layer first, carry out catalytic oxidation in Catalytic Layer and oxidant, a gained oxidation product part, enters the first adsorption tower 7 or the second adsorption tower 8 through catalytic oxidation product output channel 10 by oxidation product input control valve 16 and carries out step (3) as the hot gas of adsorbate desorption gas after air-introduced machine 12 accelerates by oxidation product output control valve 18; The remaining part oxidation product passes through through oxidation product output control valve 18 to deliver into purified gas tapping equipment 4 through catalytic oxidation product output channel 10 and discharge after air-introduced machine 12 accelerates.
In the above-mentioned technical process:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,500,000m
2/ kg ~ 2,300,000m
2/ kg can also select pore structure and the corresponding adsorbents of specific surface such as silica gel, aluminium oxide, molecular sieve according to actual conditions;
In step (4), described catalyst is Pt, Pd, Ni or Cu, and described oxidant is air, avoids introducing other impurity; The temperature of described catalytic oxidation is 250 ℃～350 ℃.
In step (4), the gained oxidation product divides two parts to process, and a part enters the purified gas tapping equipment, and a part enters adsorbent equipment, and described two-part ratio can be adjusted according to actual needs.
In step (4), the gained oxidation product is carbon dioxide and water.
When application the utility model waste gas reclamation treatment system carries out the waste gas recycling, if exhaust gas concentration is very low, light to air pollution degree, then can after buffering stable-pressure device 2 and supercharging device 3 directly are delivered to catalytic oxidizing equipment 5 catalytic oxidations, be delivered to again purified gas tapping equipment 4 and discharge.
In the utility model waste gas reclamation treatment system, the setting of adsorbent equipment and catalytic oxidizing equipment 5 fully realized the circulating recycling of waste gas, and effects of energy conservation and environmental protection is remarkable; When application the utility model waste gas reclamation treatment system carries out the waste gas recycling, the alternative expression of the first adsorption tower 7 and 8 pairs of waste gas of the second adsorption tower absorption in the described step (2), the abundant recovery of waste gas and the organic efficiency of waste gas are protected, simultaneously, waste gas purification are protected; In the described step (3), to the gas purging desorb of adsorbate, the abundant processing of waste gas is further ensured; The employing of catalyst described in the described step (4), the catalytic oxidation that makes the oxygen of the air of waste gas in the catalytic oxidizing equipment 5 carry out the nonflame flames of anger as oxidant, and, catalytic oxidation process is just at the waste gas of processing charcoal absorption, rather than the waste gas of directly discharging from floating roof tank, directly do not communicate between catalytic oxidizing equipment and the floating roof chemical products storage tank, both have been formed separate and separate system's setting, for the safety of whole system provides guarantee; Moreover, adsorbate waste gas is passed to the ceramic heat-storing layer by the heat that the nonflame oxidation is produced, ceramic heat-storing layer absorbing heat uses as the follow-up adsorbate waste gas of heating, the temperature of simultaneous oxidation product reduces, and, partial oxidation products utilizes as the hot gas of adsorbent reactivation and adsorbate desorb, has fully realized the recycling of energy, has reached the purpose of energy-saving consumption-reducing and high-efficiency environment friendly; In addition, whole waste gas treatment process Adsorption and desorption or the catalytic oxidation of system all are to carry out under normal pressure, thereby further provide guarantee for the safe operation of whole system; At last, the gas main component of auto purification gas tapping equipment 4 dischargings is nitrogen, carbon dioxide, a small amount of oxygen, satisfies relevant emission standards fully, can not pollute air, and resident's health was without impact near the relevant staff was reached; The purification efficiency that application the utility model carries out exhaust-gas treatment does not have problem of secondary pollution up to more than 99%, generates without waste water, and be green cleaning exhaust gas treatment process.
The utility model waste gas reclamation treatment system is specially adapted to comprise at least a kind of high chemicals storage tank irrigated area of irrigated area, waste gas not liquescent chemicals storage tank irrigated area and exhaust gas concentration of organic chemical industry's product floating roof tank.
As shown in Figure 2, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 1, and different is:
Also comprise condensate recycling device, described condensate recycling device comprises interconnective condenser 20, the condensate liquid recycling can 21 that is provided with condensation unit 19; Exhaust-carrying device 1, condenser 20, buffering stable-pressure device 2, supercharging device 3 are connected by waste gas pipeline road 6 successively with adsorbent equipment;
Described exhaust-carrying device 1 is stored the vault chemicals storage tank of the discharging waste gas in irrigated area for being positioned at chemicals.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 1, except following steps:
In step (1), waste gas from exhaust-carrying device 1 by waste gas pipeline road 6 successively after condenser 20 condensations, buffering stable-pressure device 2 voltage stabilizings and supercharging device 3 superchargings, enter in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again; 20 pairs of waste gas of condenser carry out condensation separation gained liquid and enter liquid withdrawal system 21.
When application the utility model waste gas reclamation treatment system carries out the waste gas recycling, if waste gas namely reaches discharge standard after recycling through step (1) condensation, can not pollute air, then can directly be delivered to purified gas tapping equipment 4 through buffering stable-pressure device 2 and supercharging device 3 and directly discharge; Perhaps, being delivered to purified gas tapping equipment 4 after buffering stable-pressure device 2 and supercharging device 3 directly are delivered to catalytic oxidizing equipment 5 catalytic oxidations discharges again.
In the utility model waste gas reclamation treatment system, the setting of adsorbent equipment and catalytic oxidizing equipment 5 fully realized the circulating recycling of waste gas, and effects of energy conservation and environmental protection is remarkable; When application the utility model waste gas reclamation treatment system carries out the waste gas recycling, in the described step (1), the waste gas that preliminary condensation is reclaimed can be transported to relevant apparatus subsequently as required, simultaneously, the exhaust gas concentration of adsorbent equipment absorption in the step (2) is reduced, thereby produce too much heat of adsorption when having avoided adsorbent absorption, and then avoided the rising of adsorbent bed temperature to cause security risk, thereby provide safety guarantee for security of system moves; The absorption of the alternative expression of the first adsorption tower 7 and 8 pairs of waste gas of the second adsorption tower is protected the abundant recovery of waste gas and the organic efficiency of waste gas in the described step (2), simultaneously, waste gas purification is protected; In the described step (3), to the gas purging desorb of adsorbate, the abundant processing of waste gas is further ensured; The employing of catalyst described in the described step (4), the catalytic oxidation that makes the oxygen of the air of waste gas in the catalytic oxidizing equipment 5 carry out the nonflame flames of anger as oxidant, and, catalytic oxidation process is just at the waste gas of processing charcoal absorption, rather than the waste gas of directly discharging from floating roof tank, directly do not communicate between catalytic oxidizing equipment and the floating roof chemical products storage tank, both have been formed separate and separate system's setting, for the safety of whole system provides guarantee; Moreover, adsorbate waste gas is passed to the ceramic heat-storing layer by the heat that the nonflame oxidation is produced, ceramic heat-storing layer absorbing heat uses as the follow-up adsorbate waste gas of heating, the temperature of simultaneous oxidation product reduces, and, partial oxidation products utilizes as the hot gas of adsorbent reactivation and adsorbate desorb, has fully realized the recycling of energy, has reached the purpose of energy-saving consumption-reducing and high-efficiency environment friendly; In addition, whole waste gas treatment process Adsorption and desorption or the catalytic oxidation of system all are to carry out under normal pressure, thereby further provide guarantee for the safe operation of whole system; At last, the gas main component of auto purification gas tapping equipment 4 dischargings is nitrogen, carbon dioxide, a small amount of oxygen, satisfies relevant emission standards fully, can not pollute air, and resident's health was without impact near the relevant staff was reached; The purification efficiency that application the utility model carries out exhaust-gas treatment does not have problem of secondary pollution up to more than 99%, generates without waste water, and be green cleaning exhaust gas treatment process.
The utility model waste gas reclamation treatment system is specially adapted to comprise at least a kind of irrigated area, waste gas liquescent chemicals storage tank irrigated area and high chemicals storage tank irrigated area of exhaust gas concentration of organic chemical industry's product vault storage tank.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 1 and embodiment 2, and different is:
Described exhaust-carrying device 1 is the chemicals irrigated area that comprises the chemicals storage irrigated area of floating roof chemicals storage tank 101 and vault chemicals storage tank 102;
Floating roof chemicals storage tank 101, buffering stable-pressure device 2, supercharging device 3 are connected by waste gas pipeline road 6 successively with adsorbent equipment;
Described condensate recycling device comprises interconnective condenser 20, the condensate liquid recycling can 21 that is provided with condensation unit 19;
Vault chemicals storage tank 102, condenser 20, buffering stable-pressure device 2, supercharging device 3 are connected by waste gas pipeline road 6 successively with adsorbent equipment.
The utility model waste gas reclamation treatment system is applied to comprise at least the irrigated area of a kind of organic chemical industry's product vault storage tank and a kind of organic chemical industry's product floating roof tank, carries out the technique of waste gas recycling with embodiment 1 and embodiment 2, except following steps:
In step (1),
From the waste gas of floating roof chemicals storage tank 101 by waste gas pipeline road 6 successively after buffering stable-pressure device 2 voltage stabilizings and supercharging device 3 superchargings, enter in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again;
From the waste gas of vault chemicals storage tank 102 by waste gas pipeline road 6 successively after condenser 20 condensations, buffering stable-pressure device 2 voltage stabilizings and supercharging device 3 superchargings, enter in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again; 20 pairs of waste gas of condenser carry out condensation separation gained liquid and enter liquid withdrawal system 21.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 1.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product floating roof tank, carries out the technique of waste gas recycling with embodiment 2.
Using the utility model waste gas reclamation treatment system can process simultaneously to the waste gas of variety classes, variable concentrations, system's characteristics of embodiment 1 and embodiment 2 have effectively been integrated, different types of waste gas can both effectively be recycled, use the utility model and carry out the purification efficiency of exhaust-gas treatment up to more than 99%, there is not problem of secondary pollution, generating without waste water, is green cleaning exhaust gas treatment process.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 3, wherein:
Alcohols chemicals storage tank 101, buffering stable-pressure device 2, supercharging device 3 are connected by waste gas pipeline road 6 successively with adsorbent equipment;
Described condensate recycling device comprises interconnective condenser 20, the condensate liquid recycling can 21 that is provided with condensation unit 19; Styrene chemicals storage tank 102, condenser 20, buffering stable-pressure device 2, supercharging device 3 are connected by waste gas pipeline road 6 successively with adsorbent equipment.
Take the mixing chemicals tank field of storage styrene, alcohols as example, use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, carry out the technique of waste gas recycling with embodiment 3, wherein, in step (1):
From the waste gas of alcohols chemicals storage tank 101 by waste gas pipeline road 6 successively after buffering stable-pressure device 2 voltage stabilizings and supercharging device 3 superchargings, enter in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again; From the waste gas of styrene chemicals storage tank 102 by waste gas pipeline road 6 successively after condenser 20 condensations, buffering stable-pressure device 2 voltage stabilizings and supercharging device 3 superchargings, enter in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again; 20 pairs of waste gas of condenser carry out condensation separation gained liquid and enter liquid withdrawal system 21;
Namely, gas styrene through condensed extremely low concentration mixes in the 2 places voltage stabilizing of buffering stable-pressure device through waste gas pipeline road 6 with the alcohols escaping gas of low volumetric concentration, after supercharging device 3 is pressurized to 4Kpa, enters in the first adsorption tower 7 or the second adsorption tower 8 by waste gas input control valve 13 again and carry out step (2).
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, make expensive and the easy polymerization reaction take place of normal temperature causes that the styrene of security incident and other organic exhaust gas are recycled processing, reduced on the one hand economic loss, realized on the other hand environmental protection, purification efficiency is 99.6%, do not have problem of secondary pollution, generate without waste water.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 3, and different is:
Described Catalytic Layer is the Pt Catalytic Layer.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 3, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,500,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 250 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.7%.
Embodiment 6
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 5.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 5, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 2,300,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 350 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.4%.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 5.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 5, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,800,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 300 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.6%.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 3, and different is:
Described Catalytic Layer is the Pd Catalytic Layer.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 3, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,500,000m
2/ kg;
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.8%.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 8.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 8, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 2,300,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 350 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.2%.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 8.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 8, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,800,000m
2/ kg,
In step (4), the temperature of described catalytic oxidation is 300 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.3%.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 3, and different is:
Described Catalytic Layer is the Ni Catalytic Layer.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 3, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,600,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 270 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.7%.
As shown in Figure 3, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 3, and different is:
Described Catalytic Layer is the Cu Catalytic Layer.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 3, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 2,000,000m
2/ kg,
In step (4), the temperature of described catalytic oxidation is 320 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.8%.
As shown in Figure 1, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 1, and different is:
Described Catalytic Layer is the Pt Catalytic Layer.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 1, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,800,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 310 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.3%.
As shown in Figure 1, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 13.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 13, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,500,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 250 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.8%.
As shown in Figure 1, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 13.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 13, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 2,300,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 350 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.3%.
As shown in Figure 2, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 2, and different is:
Described Catalytic Layer is the Pt Catalytic Layer.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 2, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,800,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 295 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.1%.
As shown in Figure 2, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 16.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 16, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 1,500,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 250 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.6%.
As shown in Figure 2, a kind of setting of waste gas reclamation treatment system and distribution are with embodiment 16.
The utility model waste gas reclamation treatment system is applied to comprise at least a kind of irrigated area of organic chemical industry's product vault storage tank, carries out the technique of waste gas recycling with embodiment 16, except following steps:
In step (2), described adsorbent is active carbon, and described active carbon specific surface is 2,300,000m
2/ kg;
In step (4), the temperature of described catalytic oxidation is 350 ℃.
Use the utility model waste gas reclamation treatment system and carry out exhaust-gas treatment, purification efficiency is 99.5%.
The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, can not exceed the protection domain of design of the present utility model and claims.
Claims (5)
1. waste gas reclamation treatment system, comprise exhaust-carrying device and purified gas tapping equipment, it is characterized in that: also comprise interconnective adsorbent equipment and catalytic oxidizing equipment, described exhaust-carrying device is connected with described adsorbent equipment, described purified gas tapping equipment is connected with described catalytic oxidizing equipment with described adsorbent equipment respectively, and described adsorbent equipment is the above adsorbent equipment of one-level.
2. waste gas reclamation treatment system according to claim 1, it is characterized in that: also comprise interconnective buffering stable-pressure device and supercharging device, wherein, described exhaust-carrying device, buffering stable-pressure device, supercharging device are connected by the waste gas pipeline road successively with adsorbent equipment.
3. waste gas reclamation treatment system according to claim 2, it is characterized in that: also comprise condensate recycling device, described condensate recycling device comprises interconnective condenser, the condensate liquid recycling can that is provided with the condensation unit; Described condenser is connected with described exhaust-carrying device, and described condenser is connected with described buffering stable-pressure device.
4. it is characterized in that according to claim 2 or 3 described waste gas reclamation treatment systems:
Described adsorbent equipment is the one-level adsorbent equipment, comprises the first adsorption tower and the second adsorption tower that can alternately change use;
The bottom of described the first adsorption tower and the second adsorption tower is connected with the bottom of described catalytic oxidizing equipment by the adsorbate conveyance conduit;
The top of described the first adsorption tower and the second adsorption tower is connected with the bottom of described catalytic oxidizing equipment by catalytic oxidation product output channel;
The top of described the first adsorption tower and the second adsorption tower is connected with described purified gas tapping equipment by adsorption cleaning gas output channel;
Described catalytic oxidizing equipment is connected with described purified gas tapping equipment by catalytic oxidation product output channel.
5. waste gas reclamation treatment system according to claim 4 is characterized in that:
In described catalytic oxidizing equipment, be provided with recuperation layer and Catalytic Layer from bottom to top;
In described the first adsorption tower and the second adsorption tower, be provided with activated carbon adsorption bed;
Be provided with the online concentration analyzer of measuring effluent concentration at the top exit place of described the first adsorption tower and the second adsorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370854 CN202778199U (en) | 2012-07-27 | 2012-07-27 | Waste gas recovery treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370854 CN202778199U (en) | 2012-07-27 | 2012-07-27 | Waste gas recovery treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202778199U true CN202778199U (en) | 2013-03-13 |
Family
ID=47805544
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220370854 Expired - Lifetime CN202778199U (en) | 2012-07-27 | 2012-07-27 | Waste gas recovery treatment system |
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| Country | Link |
|---|---|
| CN (1) | CN202778199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764564A (en) * | 2012-07-27 | 2012-11-07 | 海湾环境科技（北京）股份有限公司 | Waste gas recovery processing system, and recovery processing technique of waste gas |
| CN105194972A (en) * | 2014-06-26 | 2015-12-30 | 中国石油化工集团公司 | Method for treating volatile matter in cleaning process of open type oil storage tank |
| CN106370780A (en) * | 2016-08-16 | 2017-02-01 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | Zero-discharge and recovery device for on-line analysis gas sample |
| CN112892158A (en) * | 2021-01-18 | 2021-06-04 | 天津红科朴业科技有限公司 | Comprehensive treatment process for tail gas containing carbon dioxide and chlorine-containing organic matters |
-
2012
- 2012-07-27 CN CN 201220370854 patent/CN202778199U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764564A (en) * | 2012-07-27 | 2012-11-07 | 海湾环境科技（北京）股份有限公司 | Waste gas recovery processing system, and recovery processing technique of waste gas |
| CN102764564B (en) * | 2012-07-27 | 2015-07-29 | 海湾环境科技（北京）股份有限公司 | Waste gas reclamation treatment system and recovery processing technique thereof |
| CN105194972A (en) * | 2014-06-26 | 2015-12-30 | 中国石油化工集团公司 | Method for treating volatile matter in cleaning process of open type oil storage tank |
| CN106370780A (en) * | 2016-08-16 | 2017-02-01 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | Zero-discharge and recovery device for on-line analysis gas sample |
| CN106370780B (en) * | 2016-08-16 | 2018-08-14 | 天华化工机械及自动化研究设计院有限公司苏州研究所 | On-line analysis sample gas zero retracting device |
| CN112892158A (en) * | 2021-01-18 | 2021-06-04 | 天津红科朴业科技有限公司 | Comprehensive treatment process for tail gas containing carbon dioxide and chlorine-containing organic matters |
| CN112892158B (en) * | 2021-01-18 | 2022-04-15 | 天津红科朴业科技有限公司 | Comprehensive treatment process for tail gas containing carbon dioxide and chlorine-containing organic matters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Wei Inventor before: Towering |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |