CN206867970U - The dechlorination processing system of ammonia process of desulfurization slurries - Google Patents

The dechlorination processing system of ammonia process of desulfurization slurries Download PDF

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Publication number
CN206867970U
CN206867970U CN201720419976.1U CN201720419976U CN206867970U CN 206867970 U CN206867970 U CN 206867970U CN 201720419976 U CN201720419976 U CN 201720419976U CN 206867970 U CN206867970 U CN 206867970U
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China
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air
airduct
slurries
spray drying
processing system
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CN201720419976.1U
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王克军
张迎军
陈刚
李洋洋
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Guoneng Longyuan Environmental Protection Co Ltd
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Beijing Guodian Longyuan Environmental Engineering Co Ltd
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/141Wind power

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  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Slurries processing system technical field is the utility model is related to, discloses a kind of dechlorination processing system of ammonia process of desulfurization slurries.The liquid outlet of the utility model fluid reservoir is connected by the top inlet of slurries pump and spray drying tower, spray drying top of tower is provided with volute type air channel, the air inlet in volute type air channel is connected with hot air duct, the bottom discharge mouth of spray drying tower is connected by pipeline with primary cyclone air inlet, the air outlet of primary cyclone is connected by the air inlet of the first airduct and secondary cyclone, the air outlet of secondary cyclone is connected by the second airduct with air-introduced machine, the air outlet of primary cyclone is also connected by the 3rd airduct with air-introduced machine, control valve is in series with respectively on first airduct and the 3rd airduct, air-introduced machine is connected by pipeline with desulfurizing tower, the bottom discharge mouth of Cyclonic separating apparatus is connected with unloader.The utility model is simple in construction, easy to operate, dechlorination effect.

Description

The dechlorination processing system of ammonia process of desulfurization slurries
Technical field
Slurries processing system technical field is the utility model is related to, at a kind of dechlorination of ammonia process of desulfurization slurries Reason system.
Background technology
The ammonia process of desulfurization is by the use of ammonia as absorbent, absorbs and solidifies the sulfur dioxide in flue gas, produces byproduct sulfuric acid Ammonium.But in the sweetening process of reality, can enter in flue gas containing substantial amounts of chlorion with flue gas in slurries and constantly be enriched with, Chlorine ion concentration can in concentrated slurry section rising in direct ratio with the rise of density, peak sulphur ammonium slurries in prewashing column Chloride ion content average value reaches 60000mg/L, has a strong impact on whole desulfurizer safe and stable operation;Chlorion is with ammonium chloride The content discharged with ammonium sulfate byproduct of form below 1%, the enrichment of chlorion can cause the heavy corrosion of equipment.Metal The heavy metal ion that equipment corrosion and flue gas are carried in fire coal is gathered in sulphur ammonium slurries, causes slurries heavy metal ion exceeded, The activity decrease of slurries sulfur dioxide absorption, and ammonium sulfate crystallization size is influenceed, and then influence dewatering system stable operation, desulfurization System balancing is broken.
It is to take method of abandoning to remove the chlorion in slurries in traditional desulfurization slurry technique.In method is abandoned, take out Fraction slurries add the medicaments such as lime stone slurry, organic sulfur compound by three headers, make the weight in slurries to slurries processing system The harmful substances such as metal ion, suspension form solid precipitation, then by inspissator, plate and frame filter press by solids separation, only Slurries after change can carry the directly outer row of chlorion in slurries.Ammonia desulfurizing process, desulfurizing byproduct are (NH4)2SO4.2H2O, if going removing chloride technique using conventional method of abandoning, substantial amounts of ammonium sulfate can be contained in the slurries arranged outside, The waste of desulfurizing agent is so on the one hand caused, is on the other hand unable to reach the mark directly discharged in the slurries environmental protection containing ammonium sulfate It is accurate.Therefore conventional slurries processing system is not suitable for the processing of ammonia process of desulfurization slurries.
Utility model content
The utility model provides a kind of dechlorination simple in construction, easy to operate, the preferable ammonia process of desulfurization slurries of dechlorination effect Processing system.
In order to solve the above technical problems, the utility model adopts the following technical scheme that:
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, including fluid reservoir, spray drying tower, one cyclonic point From device, secondary cyclone and unloader, the ammonium sulfate slurries conveyance conduit after the inlet of the fluid reservoir and concentration connects Connect, the liquid outlet of fluid reservoir is connected by the top inlet of slurries pump and spray drying tower, and spray drying top of tower is provided with Volute type air channel, the air inlet in volute type air channel are connected with hot air duct, and bellows of the hot air duct other end and boiler connect, Air-heater is connected by the 4th airduct with hot air duct, and the air outlet in volute type air channel is being located at atomizing disk in spray drying tower just Top, the bottom discharge mouth of spray drying tower are connected by pipeline with primary cyclone air inlet, primary cyclone Air outlet connected by the air inlet of the first airduct and secondary cyclone, the air outlet of secondary cyclone passes through the Two airducts are connected with air-introduced machine, and the air outlet of primary cyclone is also connected by the 3rd airduct with air-introduced machine, the first airduct, Control valve is in series with 3rd airduct and the 4th airduct respectively, air-introduced machine is connected by pipeline with desulfurizing tower, Cyclonic separating apparatus Bottom discharge mouth be connected with unloader.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, further, the control valve are airduct butterfly valve.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, further, in addition to liquid level gauge, the liquid level gauge It is arranged on fluid reservoir upper portion side wall.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, further, in addition to control system, the control System respectively with liquid level gauge, slurries pump, air-heater, air-introduced machine, spray drying tower, primary cyclone, two level cyclonic separation Device and the electrical connection of each control valve.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries has the advantages that compared with prior art:
The dechlorination processing system of the utility model ammonia process of desulfurization slurries collects the desulfurization slurry after concentration, is sent into spray drying In tower, pass through high speed rotating spraying and hot air heat exchange double action so that the moisture in high concentration slurries rapidly evaporates, slurry The ammonium chloride and heavy metallic salt formed in liquid containing substantial amounts of chlorion are collectively forming dry knot with the ammonium sulfate remained in slurries Crystalline substance, form collection and recovery that powder particle realizes solid particulate matter with hot-air into cyclone separator, the carrying of evaporated The steam for having fine solid particles sends desulfurizing tower back to hot-air, at the purification for repeating desulfurization wastewater waste liquid as thermal source Reason, has not only saved the energy, more realizes no pollution and discharges, a small amount of pollutant passes through the concentration of sulfur removal technology in steam, can The dry separation carried out again is turned again in dechlorination processing system of the present utility model.The utility model as desulfurization slurry at Branch process system in science and engineering skill, it is left the content of the chlorion in ammonium sulfate slurries and heavy metal ion can be reduced half The right side, greatly reduce corrosivity of the high-concentration chlorine ion to equipment, extend the service life of equipment, reduce production cost and Maintenance cost;Avoiding heavy metal ion enrichment in slurries simultaneously causes slurry activity, desulfuration efficiency to decline, and sulphur ammonium crystallization is abnormal The problem of dehydration is difficult, system balancing is destroyed.The utility model is simple in construction, easy to operate, Automated condtrol, is taken off as branch Chlorine processing system can be widely applied in any ammonia desulfurizing process wastewater treatment.
The utility model is provided with branch road airduct and control valve on two stage cyclone separator, can be according to actual treatment situation The airduct butterfly valve on the first airduct and the second airduct is adjusted, the hot blast for carrying particulate matter is only entered primary cyclone By first separation, or primary cyclone and secondary cyclone are sequentially entered, by separating twice, resource is closed Reason is efficient to be utilized, and avoids the waste of the energy.
The dechlorination processing system of ammonia process of desulfurization slurries of the present utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the dechlorination processing system of the utility model ammonia process of desulfurization slurries.
Reference:
1- fluid reservoirs;11- liquid level gauges;2- slurries pumps;3- spray drying towers;31- volute types air channel;4- air-heaters;51- mono- Level cyclone separator;52- secondary cyclones;6- air-introduced machines;7- unloaders;8- hot air ducts;The airducts of 81- first;82- Two airducts;The airducts of 83- the 3rd;The airducts of 84- the 4th.
Embodiment
As shown in figure 1, the dechlorination processing system of the utility model ammonia process of desulfurization slurries includes control system, fluid reservoir 1, spray Mist drying tower 3, primary cyclone 51, secondary cyclone 52 and unloader 7, after the inlet of fluid reservoir 1 and concentration The connection of ammonium sulfate slurries conveyance conduit, the upper portion side wall of fluid reservoir 1 is provided with liquid level gauge 11, and liquid level gauge 11 is electrically connected with control system Connect, the liquid outlet of fluid reservoir 1 is connected by slurries pump 2 with the top inlet of spray drying tower 3, and the top of spray drying tower 3 is set Volute type air channel 31 is equipped with, the air inlet in volute type air channel 31 is connected with hot air duct 8, the other end of hot air duct 8 and boiler one Secondary bellows connection, air-heater 4 are connected by the 4th airduct 84 with hot air duct 8, and the air outlet in volute type air channel 31 is positioned at spraying Directly over atomizing disk in drying tower 3, the bottom discharge mouth of spray drying tower 3 is entered by pipeline and primary cyclone 51 Gas port is connected, and the air outlet of primary cyclone 51 is connected by the air inlet of the first airduct 81 and secondary cyclone 52 Connect, the air outlet of secondary cyclone 52 is connected by the second airduct 82 with air-introduced machine 6, the air-out of primary cyclone 51 Mouth is also connected by the 3rd airduct 83 with air-introduced machine 6, is in series with respectively on the first airduct 81, the 3rd airduct 83 and the 4th airduct 84 Control valve, control valve are airduct butterfly valve, and air-introduced machine 6 is connected by pipeline with desulfurizing tower, primary cyclone 51 and two level rotation The bottom discharge mouth of wind separator 52 is connected with unloader 7 respectively, control system respectively with slurries pump 2, air-heater 4, air-introduced machine 6th, spray drying tower 3, primary cyclone 51, secondary cyclone 52 and the electrical connection of each control valve.
The course of work of the dechlorination processing system of the utility model ammonia process of desulfurization slurries is specific as follows:
Contain substantial amounts of chlorion in ammonium sulfate slurries after concentration, entered by slurries conveyance conduit in fluid reservoir 1 and received Collection, during processing system to be launched, the slurries in fluid reservoir 1 are pumped into spray drying tower 3 by slurries pump 2, rotating speed 15000 Turn/min high-speed electric expreess locomotive drives atomizing disk to rotate at a high speed, centrifugal force caused by atomizing disk causes slurry spraying, and air-heater 4 produces Hot air temperature volute type air channel 31 can be entered under the guiding of air-introduced machine 6 by pipeline, wrapped after export more than 300 DEG C The surrounding of atomizing disk is rolled in, carries out heat exchange with the drop after atomization so that the quick evaporation drying of slurry droplet, form sulfuric acid Ammonium, ammonium chloride powder and other bulky grain solid materials fall into the bottom of towe of spray drying tower 3, the temperature control in spray drying tower 3 For system in the range of 120-130 DEG C, solid matter enters Cyclonic separating apparatus with hot-air, can be according to actual treatment situation regulation the Airduct butterfly valve on one airduct 81 and the second airduct 82, makes the hot blast for carrying particulate matter only enter primary cyclone 51 By first separation, or primary cyclone 51 and secondary cyclone 52 are sequentially entered, by separating twice, resource obtains Utilized to rationally efficient, avoid the waste of the energy;Larger particle falls into the bottom of cyclone separator, passes through unloader 7 Exclude to collect, comparatively fine particle returns in desulphurization system purified treatment again with hot-air under the guiding of air-introduced machine 6.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into In the range of.

Claims (4)

1. the dechlorination processing system of ammonia process of desulfurization slurries, it is characterised in that:Including fluid reservoir(1), spray drying tower(3), one-level Cyclone separator(51), secondary cyclone(52)And unloader(7), the fluid reservoir(1)Inlet and concentration after Ammonium sulfate slurries conveyance conduit connects, fluid reservoir(1)Liquid outlet pass through slurries pump(2)With spray drying tower(3)Top enter Liquid mouth connects, spray drying tower(3)Top is provided with volute type air channel(31), volute type air channel(31)Air inlet and warm-air pipe Road(8)Connection, hot air duct(8)Bellows of the other end and boiler connect, air-heater(4)Pass through the 4th airduct(84)With hot blast Pipeline(8)Connection, volute type air channel(31)Air outlet be located at spray drying tower(3)In atomizing disk directly over, spray drying Tower(3)Bottom discharge mouth pass through pipeline and primary cyclone(51)Air inlet connects, primary cyclone(51)'s Air outlet passes through the first airduct(81)With secondary cyclone(52)Air inlet connection, secondary cyclone(52)Go out Air port passes through the second airduct(82)With air-introduced machine(6)Connection, primary cyclone(51)Air outlet also pass through the 3rd airduct (83)With air-introduced machine(6)Connection, the first airduct(81), the 3rd airduct(83)With the 4th airduct(84)It is upper to be in series with control respectively Valve, air-introduced machine(6)It is connected by pipeline with desulfurizing tower, the bottom discharge mouth and unloader of Cyclonic separating apparatus(7)Connection.
2. the dechlorination processing system of ammonia process of desulfurization slurries according to claim 1, it is characterised in that:The control valve is wind Pipe butterfly valve.
3. the dechlorination processing system of ammonia process of desulfurization slurries according to claim 2, it is characterised in that:Also include liquid level gauge (11), the liquid level gauge(11)It is arranged on fluid reservoir(1)Upper portion side wall.
4. the dechlorination processing system of ammonia process of desulfurization slurries according to claim 3, it is characterised in that:Also include control system System, the control system respectively with liquid level gauge(11), slurries pump(2), air-heater(4), air-introduced machine(6), spray drying tower(3)、 Primary cyclone(51), secondary cyclone(52)Electrically connected with each control valve.
CN201720419976.1U 2017-04-20 2017-04-20 The dechlorination processing system of ammonia process of desulfurization slurries Active CN206867970U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110102158A (en) * 2018-06-19 2019-08-09 北京国发正源环保科技有限公司 A kind of desulfurization slurry dechlorination process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110102158A (en) * 2018-06-19 2019-08-09 北京国发正源环保科技有限公司 A kind of desulfurization slurry dechlorination process

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Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing

Patentee after: Guoneng Longyuan environmental protection Co.,Ltd.

Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing.

Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd.

CP03 Change of name, title or address