CN206276226U - The ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas - Google Patents

The ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas Download PDF

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Publication number
CN206276226U
CN206276226U CN201621404103.5U CN201621404103U CN206276226U CN 206276226 U CN206276226 U CN 206276226U CN 201621404103 U CN201621404103 U CN 201621404103U CN 206276226 U CN206276226 U CN 206276226U
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gas
desulfurizer
section
pipeline
air
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曾子平
刘应隆
曾波
史晓杰
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Asia-Pacific Environmental Corp
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Asia-Pacific Environmental Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

Abstract

The utility model discloses a kind of ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas, including incinerator, steam superheater, heat recovery boiler, air heat exchanger, aerial cooler and desulfurizer.The utility model has the advantages that:Flue gas middle and high concentration SO can be reached2High-selenium corn efficiency, flue gas qualified discharge, and from source reduction and process blocking the escaping of ammonia, reduce aerosol produce purpose.Chemical fertilizer ammonium sulfate is produced simultaneously, is solved desulfurizer exiting flue gas and is trailed white cigarette than more serious phenomenon, so as to realize harmless treatment.

Description

The ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas
Technical field
The utility model belongs to environmental technology field, more particularly to a kind of ammonia process of desulfurization one of sour gas sulfur recovery tail gas Body purifier.
Background technology
The sulfur dioxide discharged in industrial process is the important sources of acid rain and haze, and sour gas is converted after burning It is a large amount of sulfur dioxide.To improve environmental quality, the discharge capacity of control sulfur dioxide, desulfurized treatment is imperative.
In oil, natural gas and Coal Chemical Industry production process, substantial amounts of sulfide hydrogen sour gas can be produced.Generally use Claus unit sulfur recovery unit removing hydrogen sulfide, Recovered sulphur.To ensure tail gas qualified discharge, in conventional two grades of Sulfur Recovery Units The techniques such as super or super excellent Crouse, SCOT tail gas reprocessing are set after device, there is complicated technological process, investment height, operation The shortcomings of high cost, high energy consumption, big operation difficulty.
In acid tail gas improvement using it is more be sodium alkali, the products such as soda resource, institute's by-product sodium sulphate need to be consumed The market demand is few, it is difficult to realize high added value, so that operating cost is higher, poor reliability.
In sulfur-containing smoke gas sweetening process, there is ammonia type flue gas desulfurizing desulfuration efficiency high, non-secondary pollution, energy resource to return Receive, flow is short, the features such as be capable of achieving integrated with factory boiler flue gas desulfurization etc., make the application field of ammonia process wider.
Utility model content
Regarding to the issue above, the purpose of this utility model is to provide a kind of ammonia process of desulfurization one of sour gas sulfur recovery tail gas Body purifier, the device can effectively desulfurization, and can be prevented effectively from desulfurizer exhanst gas outlet trail white cigarette phenomenon generation.
To achieve the above object, the technical scheme that the utility model is used is:
A kind of ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas, including incinerator, steam superheating Device, heat recovery boiler, air heat exchanger, aerial cooler and desulfurizer;
The steam superheater is located at the tail end in the incinerator, by pipeline respectively with outside product saturated vapor Equipment connected with superheated steam pipe network;
The heat recovery boiler is located between the steam superheater and air heat exchanger, by pipeline and the burning Device is connected;
The air heat exchanger is located at the tail end in the incinerator;
The aerial cooler is connected with the incinerator and desulfurizer respectively by pipeline.
Further, also including air-blast device, the air-blast device passes through the gas to be burned of pipeline and the incinerator The inlet tube connection of body;The air-blast device is connected by pipeline with the incineration area for treating incineration gases of the incinerator;Institute Air-blast device is stated to be connected with the desulfurizer by air heat exchanger;The air-blast device is cooled down by pipeline with the air Device is connected.
Further, gas approach and the chimney for discharging flue gas are set on the desulfurizer;
Between the gas approach and chimney, washing drop is set gradually by flow of flue gas method in the desulfurizer If if temperature section spray thrower, first liter of gas disk, one section of dried layer absorb spraying layer, second liter of gas disk, two sections of dried layer and absorb spraying layer, height Effect absorber, the 3rd liter of gas disk, except ammonia mist section and demister;
Between the bottom of towe of gas approach and the desulfurizer, swash plate, two sections of absorbing liquid circulating slots are from top to bottom set With one section of absorbing liquid circulating slot;Two sections of absorbing liquid circulating slots are by two sections of absorbent recirculation pumps and described two sections absorption spraying layers Connection;One section of absorbing liquid circulating slot absorbs spraying layer and connects by one section of absorbent recirculation pump with described one section;
Ammonia storage tank of the first liter of gas disk by pipeline respectively with one section of absorbing liquid circulating slot and outside is connected;Institute Ammonia storage tank of second liter of gas disk by pipeline respectively with two sections of absorbing liquid circulating slots and outside is stated to be connected.
Further, also including being arranged at oxidation trough outside the desulfurizer, wash cycle groove and technique tank;Institute Desulfurizer is stated to be connected with the oxidation trough, wash cycle groove and technique tank respectively by pipeline.
Further, if being provided with oxidation and aeration device and dried layer liquid distribution plate in the oxidation trough;The oxidation and aeration dress Setting in the lower section of liquid distribution plate, connected with the oxidation air conveying device of outside by pipeline;The oxidation trough is by pipeline point Do not connected with one section of absorbing liquid circulating slot, wash cycle groove and technique tank;
Drain pipe is provided with the wash cycle groove;The wash cycle groove is by detergent circulator and the washing drop Temperature section spray thrower is connected;The wash cycle groove is connected by magma pump with the sulphur ammonium liquid processing device of outside;The drain pipe Connected with the drain pipe road being opened on the desulfurizer and above the swash plate by pipeline;
The technique tank is connected by technique water pump and positioned at the spray thrower except between ammonia mist section and demister;Institute State and connected by pipeline between technique tank and the 3rd liter of gas disk.
Further, also including air-blast device, the air-blast device is by air heat exchanger and the desulfurizer Chimney is connected.
Further, also including back purge system;The back purge system is located in the desulfurizer, and is placed in described Between washing temperature descending section spray thrower and first liter of gas disk;The back purge system is by one section of absorbent recirculation pump and described one section suction Receive the connection of liquid circulating slot.
The utility model has the advantages that:
It is using two-stage waste heat recovery+air heat exchanger+aerial cooler cooling pretreatment unit, cooling high-temperature fume is same When recovery waste heat, be re-fed into follow-up desulfurizer.Simultaneously in order to further reduce the product that flue gas after desulfurization exports " white cigarette " phenomenon Raw, the partial air bloated using air heat exchanger heat blowing device is warming up to 140 DEG C and send desulfurizing tower exit stack with net cigarette Gas mixes, and neat stress is warming up to more than 80 DEG C after mixing, and desulfurizer can be avoided to export hangover white cigarette phenomenon, and cleaning of off-gas is up to standard Discharge.Desulfurizer uses single column dual-cycle plant, can effectively improve flue gas middle and high concentration SO2Absorption efficiency, reach from source The purpose that head is cut down and process blocking the escaping of ammonia, reduction aerosol are produced.Chemical fertilizer ammonium sulfate is produced simultaneously, is solved desulfurizer and is gone out Mouth flue gas trails white cigarette than more serious phenomenon, so as to realize harmless treatment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of desulfurizer in Fig. 1.
Wherein, 1- air-blast devices, 2- incinerators, 3- steam superheaters, 4- heat recovery boilers, 5- air heat exchangers, 6- aerial coolers, 7- desulfurizers, mono- section of absorbing liquid circulating slot of 8-, bis- sections of absorbing liquid circulating slots of 9-, 10- swash plates, 11- flue gases Import, 12- washing temperature descending section spray throwers, first liter of gas disk of 13-, mono- section of absorption spraying layer of 14-, second liter of gas disk of 15-, 16- bis- Section absorbs spraying layer, and 17- efficient absorption devices, the 3rd liter of gas disk of 18-, 19- removes ammonia mist section, 20- demisters, 21- chimneys, 22- mono- Section absorbent recirculation pump, bis- sections of absorbent recirculation pumps of 23-, 24- oxidation troughs, 25- oxidation and aeration devices, 26- liquid distribution plates, 27- washings are followed Annular groove, 28- drain pipes, 29- detergent circulators, 30- magma pumps, 31- technique tanks, 32- technique water pumps, 33- backwash dresses Put.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that It is used to help understand the utility model for the explanation of these implementation methods, but does not constitute to restriction of the present utility model.This Outward, as long as technical characteristic involved in the utility model disclosed below each implementation method does not constitute conflict each other Can just be mutually combined.
As shown in Figure 1-2, the ammonia process of desulfurization integrated purifying device of a kind of sour gas sulfur recovery tail gas, including burn dress Put 2, steam superheater 3, heat recovery boiler 4, air heat exchanger 5, aerial cooler 6 and desulfurizer 7;
Steam superheater 3 is located at the tail end in incinerator 2, by pipeline respectively with the equipment of outside product saturated vapor Connected with superheated steam pipe network;
Heat recovery boiler 4 is located between steam superheater 3 and air heat exchanger 5, is connected with incinerator 2 by pipeline It is logical;
Air heat exchanger 5 is located at the tail end in incinerator 2;
Aerial cooler 6 is connected with incinerator 2 and desulfurizer 7 respectively by pipeline.
Specifically, incinerator 2 can be incinerator.
Pending flue gas adds appropriate fuel to be burnt in incinerator, the steam mistake that the flue gas after burning passes through two-stage Hot device 3 and heat recovery boiler 4 reclaim air inlet heat exchanger 5 after heat, flue-gas temperature is dropped to less than 300 DEG C.Enter again Enter aerial cooler 6 directly to cool to less than 180 DEG C, the de- of the follow-up ammonia process of desulfurization is entered eventually through the tail gas after cooling Sulphur device 7.
Wherein, also including air-blast device 1, air-blast device 1 is by pipeline and the inlet tube for treating incineration gases of incinerator 2 Connection;Air-blast device 1 is connected by pipeline with the incineration area for treating incineration gases of incinerator 2;Air-blast device 1 is changed by air Hot device 5 is connected with desulfurizer 7;Air-blast device 1 is connected by pipeline with aerial cooler 6.
Specifically, air-blast device 1 can be air blower.
The partial air that air blower is bloated enters follow-up chimney 21 after being exchanged heat through tail gas burning furnace back segment air heat exchanger 5 With ammonia desulfuration equipment outlet neat stress mix and be warming up to more than 80 DEG C, it is to avoid desulfurizer 7 exports white cigarette conditions of streaking, reaches Mark discharge.
Wherein, gas approach 11 and the chimney 21 for discharging flue gas are set on desulfurizer 7;
Between gas approach 11 and chimney 21, washing cooling is set gradually by flow of flue gas method in desulfurizer 7 If if 12, first liter of gas disk 13 of section spray thrower, one section of dried layer absorb 14, second liter of gas disk 15 of spraying layer, two sections of dried layer and absorb spray Drenching layer 16, efficient absorption device 17, the 3rd liter of gas disk 18, except ammonia mist section 19 and demister 20;
Between the bottom of towe of gas approach 11 and desulfurizer 7,10, two sections of absorbing liquid circulating slots of swash plate are from top to bottom set 9 and one section of absorbing liquid circulating slot 8;Two sections of absorbing liquid circulating slots 9 are by two sections of absorbent recirculation pumps 23 and two sections of absorption spraying layers 16 Connection;One section of absorbing liquid circulating slot 8 absorbs spraying layer 14 and connects by one section of absorbent recirculation pump 22 with one section;
Ammonia storage tank of first liter of gas disk 13 by pipeline respectively with one section of absorbing liquid circulating slot 8 and outside is connected;Second liter Ammonia storage tank of the gas disk 15 by pipeline respectively with two sections of absorbing liquid circulating slots 9 and outside is connected.
In high concentration SO2Under flue gas condition, single-stage absorption technique is such as used, then absorbing liquid operation pH value is higher, absorbing liquid Density is high, and system oxidation rate is low, while easily causing aerosol generation, discharged particle is high, and device conditions of streaking is serious.
To solve problem above, desulfurizer 7 uses single column binary cycle system, desulfurization tower bottom to set two sections of absorption cycles Groove, between separated with dividing plate.Every section of absorption is relatively independent, the equal subregion independent control of absorbing liquid density, pH value.First paragraph is absorbed as SO2Main removing area, is absorbed using higher density and pH value absorbing liquid;Second segment is absorbed as SO2Auxiliary removing area, using relatively low Density and low ph value absorbing liquid, to reduce the ammonia partial pressure in absorbing liquid, reach the escaping of ammonia and aerosol for reducing and excluding in flue gas Purpose.
Ammonia demister 19 and demister 20 are set at the top of desulfurizer 7, one-level ammonia demister is taken out of by flue gas NH3Washing, reclaim Ammonia and solvable sulfate, the liquid of recovery returns to desulphurization system and recycles;Two grades of demister bands Lip ring removes 5~10 μm of droplet by droplet collision, centrifugal action.The technology is in SO2Both suction high had been ensure that in absorption Produce effects rate, high oxidation rate, reaches again from source reduction and process blocking the escaping of ammonia, reduces the purpose that aerosol is produced.
Wherein, also including being arranged at oxidation trough 24 outside desulfurizer 7, wash cycle groove 27 and technique tank 31;It is de- Sulphur device 7 is connected with oxidation trough 24, wash cycle groove 27 and technique tank 31 respectively by pipeline.
Split with absorbing liquid using oxidation solution, be conducive to absorption process pH value, density zoning control, by The sub-salt absorb and Low ph value is controlled, it is possible to decrease ammonia partial pressure, thus prevents the SO in vapor phase ammonia and flue gas2Contact and produce aerosol, in SO2Absorb On both ensure that high-selenium corn efficiency, high oxidation rate, reach again from source reduction and process blocking the escaping of ammonia, reduce aerosol produce Purpose.
If being provided with oxidation and aeration device 25 and dried layer liquid distribution plate 26 in oxidation trough 24;Oxidation and aeration device 25 is located at cloth liquid The lower section of plate 26, is connected by pipeline with the oxidation air conveying device of outside;Oxidation trough 24 is inhaled with one section respectively by pipeline Liquid circulating slot 8, wash cycle groove 27 is received to be connected with technique tank 31.
Oxidation trough 24 is separately provided, and can guarantee that absorptions at different levels, oxidation are independent of each other.Absorbing liquid part enters oxidation trough 24, Compressed air is passed through, oxidized section of the oxidation and aeration device 25 and liquid distribution plate 26 at middle part, the ammonium sulfite in absorbing liquid are oxidized It is ammonium sulfate, The sub-salt oxygenation efficiency is more than 99%.Oxidizing process adds catalyst, can process high concentration SO2And solve high concentration SO2The low problem of sulfurous acid ammonium salt oxygenation efficiency under flue gas condition.Equipment choosing can be more reasonably carried out according to different flue gas conditions Type, reduces investment;The height of desulfurizing tower is reduced, energy consumption is reduced, it is adaptable to different SO2The flue gas condition of concentration.
Drain pipe 28 is provided with wash cycle groove 27;Wash cycle groove 27 is by detergent circulator 29 and washing temperature descending section Spray thrower is connected;Wash cycle groove 27 is connected by magma pump 30 with the sulphur ammonium liquid processing device of outside;Drain pipe 28 is by pipe Road is connected with the drain pipe road being opened on desulfurizer and above the swash plate 10.Desulfurizer 7 and wash cycle groove A peripheral passage is constituted by cleaning solution drain pipe and reflux pipeline between 27, cleaning solution will not be stored in desulfurizing tower, So as to reduce the load of desulfurizing tower, the security of desulfurization is improved, reduce investment, reduce energy consumption, solved ammonium sulfate and sunk in equipment The problem that product is blocked.
Technique tank 31 is connected by technique water pump 32 and positioned at except the spray thrower between ammonia mist section 19 and demister 20;Work Connected by pipeline between skill tank 31 and the 3rd liter of gas disk 18.Can be rinsed along spray, inverse spray spray thrower by technique water pump 32, The drop that flushing is captured, returns to desulphurization system and recycles.
Specifically, the temperature to raise exiting flue gas, also including air-blast device 1, air-blast device 1 passes through air heat exchanger 5 Connected with the chimney 21 on desulfurizer 7.
Specifically, the deposit left for the position such as crossbeam in desulfurizer 7 can be rinsed, also including back purge system 33;Back purge system 33 is located in desulfurizer 7, and is placed between washing temperature descending section spray thrower 12 and first liter of gas disk 13;Instead Flusher 33 is connected by one section of absorbent recirculation pump 22 with one section of absorbing liquid circulating slot 8.
The utility model is pre-processed using two-stage waste heat recovery+air heat exchanger+aerial cooler cooling, by high-temperature flue gas Cooling is while recovery waste heat, is re-fed into follow-up desulfurizer.It is simultaneously existing in order to further reduce flue gas after desulfurization outlet " white cigarette " The generation of elephant, the partial air bloated using air heat exchanger heater blower be warming up to 140 DEG C send desulfurizing tower exit stack with Neat stress mixes, and neat stress is warming up to more than 80 DEG C after mixing, and desulfurizer can be avoided to export hangover white cigarette phenomenon, cleaning of off-gas Qualified discharge.Desulfurizer uses single column double-cycle process, can effectively improve flue gas middle and high concentration SO2Absorption efficiency, reach From source reduction and process blocking the escaping of ammonia, reduce the purpose that aerosol is produced.Chemical fertilizer ammonium sulfate is produced simultaneously, solves desulfurization dress Put exiting flue gas and trail white cigarette than more serious phenomenon, so as to realize harmless treatment.
Whole device flow is simple, system architecture is simplified, operating cost is cheap, with certain economic benefit.Its device Desulfurization degree >=99%, oxygenation efficiency >=99%, ammonia recovery >=98.5%.
Application example:
1) certain Petrochemical Projects Claus tail gases, sulfide content 1.193% (kmol/h) in the example, including H2S、SO2、 COS, simple substance S, the tail gas cannot be directly entered desulfurizer, using the utility model device, tail gas is passed into incinerator, Appropriate air and fuel gas is passed through, stable and reliable operation, investment and operating cost are low.
The fuel of offer is natural gas, and ignition temperature is controlled at 650 DEG C, the 800~1200Nm of amount of natural gas of addition3/ H, preferably 650 DEG C of ignition temperature.Cooling pretreating process device is set.Pretreating process includes burning+two-stage waste heat recovery+sky Gas heat exchanger+aerial cooler, wherein burn by control add fuel amount, make ignition temperature control 650 DEG C, enter desulfurization Tower tail gas SO2Concentration 40000mg/Nm3.Flue gas after burning is by air inlet after two-stage steam superheater recovery heat Heat exchanger is cooled down indirectly, flue-gas temperature is dropped to less than 300 DEG C.The present invention by controlling outlet temperature at 300 DEG C or so, not only Higher than the acid dew point of sour gas, be conducive to the selection of equipment material, while having reclaimed burning heat to greatest extent.
Aerial cooler device is set after incinerator, and outlet tail gas enters back into aerial cooler and directly cools to 180 DEG C Hereinafter, follow-up ammonia desulfuration equipment is entered eventually through the tail gas after cooling.
The partial air that air blower is bloated enters chimney and mixes with desulfurizer outlet neat stress after being heated to 140 DEG C, Mixed flue gas temperature can be controlled at 80 DEG C or so, solve desulfurizer exiting flue gas hangover white cigarette phenomenon.
The example mass balance is as follows:
Implementation method of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched The implementation method stated.For a person skilled in the art, it is right in the case where the utility model principle and spirit is not departed from These implementation methods carry out various changes, modification, replacement and modification, still fall within protection domain of the present utility model.

Claims (7)

1. the ammonia process of desulfurization integrated purifying device of a kind of sour gas sulfur recovery tail gas, it is characterised in that:Including incinerator (2), steam superheater (3), heat recovery boiler (4), air heat exchanger (5), aerial cooler (6) and desulfurizer (7);
Tail end of the steam superheater (3) in the incinerator (2), is steamed with outside product saturation respectively by pipeline The equipment of vapour is connected with superheated steam pipe network;
The heat recovery boiler (4) between the steam superheater (3) and air heat exchanger (5), by pipeline and institute State incinerator (2) connection;
Tail end of the air heat exchanger (5) in the incinerator (2);
The aerial cooler (6) is connected with the incinerator (2) and desulfurizer (7) respectively by pipeline.
2. the ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas according to claim 1, its feature exists In:Also include air-blast device (1), the air-blast device (1) treats entering for incineration gases by pipeline and the incinerator (2) Mouth pipe connection;The air-blast device (1) is connected by pipeline with the incineration area for treating incineration gases of the incinerator (2);Institute Air-blast device (1) is stated to be connected with the desulfurizer (7) by air heat exchanger (5);The air-blast device (1) by pipeline with Aerial cooler (6) connection.
3. the ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas according to claim 1, its feature exists In:Gas approach (11) and the chimney (21) for discharging flue gas are set on the desulfurizer (7);
Between the gas approach (11) and chimney (21), set successively by flow of flue gas method in the desulfurizer (7) Put washing temperature descending section spray thrower (12), first liter of gas disk (13) if, one section of dried layer absorb spraying layer (14), second liter of gas disk (15) if, two sections of dried layer absorbs spraying layer (16), efficient absorption device (17), the 3rd liter of gas disk (18), except ammonia mist section (19) and removes Day with fog (20);
Between bottom of towe of the gas approach (11) with the desulfurizer (7), swash plate (10), two sections of absorbing liquids are from top to bottom set Circulating slot (9) and one section of absorbing liquid circulating slot (8);Two sections of absorbing liquid circulating slots (9) are by two sections of absorbent recirculation pumps (23) Spraying layer (16) is absorbed with described two sections to connect;One section of absorbing liquid circulating slot (8) by one section of absorbent recirculation pump (22) with Described one section absorbs spraying layer (14) connection;
First liter of gas disk (13) is connected with the ammonia storage tank of one section of absorbing liquid circulating slot (8) and outside respectively by pipeline Connect;Ammonia storage tank of the second liter of gas disk (15) by pipeline respectively with two sections of absorbing liquid circulating slots (9) and outside is connected.
4. the ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas according to claim 3, its feature exists In:Also include being arranged at the outside oxidation trough (24) of the desulfurizer (7), wash cycle groove (27) and technique tank (31); The desulfurizer (7) is connected with the oxidation trough (24), wash cycle groove (27) and technique tank (31) respectively by pipeline.
5. the ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas according to claim 4, its feature exists In:Oxidation and aeration device (25) is provided with and if dried layer liquid distribution plate (26) in the oxidation trough (24);The oxidation and aeration device (25) positioned at the lower section of liquid distribution plate (26), connected with the oxidation air conveying device of outside by pipeline;The oxidation trough (24) Connected with one section of absorbing liquid circulating slot (8), wash cycle groove (27) and technique tank (31) respectively by pipeline;
Drain pipe (28) is provided with the wash cycle groove (27);The wash cycle groove (27) is by detergent circulator (29) It is connected with the washing temperature descending section spray thrower;The wash cycle groove (27) is processed by magma pump (30) with the sulphur ammonium liquid of outside Device is connected;The drain pipe (28) by pipeline be opened on the desulfurizer and above the swash plate (10) Drain pipe road is connected;
The technique tank (31) is by technique water pump (32) and is located at described except between ammonia mist section (19) and demister (20) Spray thrower is connected;It is connected by pipeline between the technique tank (31) and the 3rd liter of gas disk (18).
6. the ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas according to claim 3, its feature exists In:Also include air-blast device (1), the air-blast device (1) is by the cigarette on air heat exchanger (5) and the desulfurizer (7) Chimney (21) is connected.
7. the ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas according to claim 3, its feature exists In:Also include back purge system (33);The back purge system (33) is placed in described washing in the desulfurizer (7) Wash between temperature descending section spray thrower (12) and first liter of gas disk (13);The back purge system (33) is by one section of absorbent recirculation pump (22) connected with one section of absorbing liquid circulating slot (8).
CN201621404103.5U 2016-12-20 2016-12-20 The ammonia process of desulfurization integrated purifying device of sour gas sulfur recovery tail gas Active CN206276226U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113035035A (en) * 2021-03-26 2021-06-25 漯河医学高等专科学校 Device for preparing sulfur dioxide in laboratory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113035035A (en) * 2021-03-26 2021-06-25 漯河医学高等专科学校 Device for preparing sulfur dioxide in laboratory

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