CN209618902U - A kind of ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing - Google Patents
A kind of ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing Download PDFInfo
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- CN209618902U CN209618902U CN201920193783.8U CN201920193783U CN209618902U CN 209618902 U CN209618902 U CN 209618902U CN 201920193783 U CN201920193783 U CN 201920193783U CN 209618902 U CN209618902 U CN 209618902U
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- heat exchanger
- ammonium sulfate
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- sintering flue
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model discloses a kind of ammonium sulfate slurries systems of processing for sintering flue gas ammonia method desulfurizing, serum storage tank, pre-heating heat-exchanging device, main heat exchanger, vaporising device, crystallization apparatus, swirl-flow devices, centrifugal device including passing sequentially through pipeline connection.The utility model is first passed through to preheat ammonium sulfate slurries and then be heated, then slurries importing vaporising device is evaporated, and in evaporation process, slurries are constantly recycled between vaporising device and main heat exchanger, have the advantages that evaporation efficiency is high；And secondary steam is by guidance, secondary steam heat exchanger tube is set to play the role of heating and thermal insulation to vaporising device, after secondary steam for preheating utilizes, after being handled by vapour compression machine, turn again to main heat exchanger steam circulation, use compressed secondary steam as heating steam, has the advantages that energy saving；For supersaturated slurries in crystallization apparatus in crystallization process, cooling coil constantly cools down to slurries, improves crystalline rate.
Description
Technical field
The utility model belongs to gas cleaning by-product processing technique field, and in particular to one kind is used for sintering flue gas ammonia process
The ammonium sulfate slurries system of processing of desulfurization.
Background technique
Ammonium sulfate is mainly used as fertilizer, is suitable for various soil and crop, is a kind of excellent fertilizer, it may also be used for spin
It knits, leather, medicine etc..Sintering flue gas obtains that by-product ammonium sulfate slurries are recovered to be can be prepared by after the ammonia process of desulfurization is handled
Product ammonium sulfate.The prior art is usually to be processed by the way of evaporative crystallization.However traditional evaporative crystallization is set
Standby heating steam consumption is larger, and energy consumption is high, and secondary steam has outlet waste of energy；And in crystallization process,
Crystal is often attached to the production of crystallizer inner wall, not only reduces mass output rate, and it is very big to clear up difficulty.For this purpose, grinding
The ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing for sending out to be able to solve the above problem a kind of is very important.
Utility model content
The purpose of this utility model is to provide a kind of ammonium sulfate slurries systems of processing for sintering flue gas ammonia method desulfurizing.
The purpose of this utility model is achieved in that including passing sequentially through serum storage tank, the pre-heating heat-exchanging that pipeline connects
Device, main heat exchanger, vaporising device, crystallization apparatus, swirl-flow devices, centrifugal device, under the side of the vaporising device
Portion and one end of return pipe connect, and the return pipe other end is connect with the inlet pipe of main heat exchanger, and return pipe is followed equipped with slurries
Ring pump, the vaporising device outside are equipped with heat-preserving heating jacket, are equipped with secondary steam heat exchanger tube, the steaming in heat-preserving heating jacket
The top of transmitting apparatus is equipped with upper air-guide disk, and lower section is equipped with lower air-guide disk, and bottom centre's inlet end of the upper air-guide disk passes through
Pipeline is connect with the secondary steam discharge end at the top of vaporising device, upper end and the upper air-guide disk of the secondary steam heat exchanger tube
Bottom connection, lower end are connect with the top of lower air-guide disk, and the lower air-guide disk side exhaust end passes through pipeline and both vapor compression
The inlet end of machine connects, and the outlet side of vapour compression machine passes through the inlet end of pipeline and main heat exchanger, the lower air guide
Disk exhaust end is equipped with air-introduced machine, is open design at the top of the crystallization apparatus, and top is equipped with housing, sets in the housing
There is the first agitating device, the first agitating device side is equipped with ultrasonic transducer, and ultrasonic transducer bottom is connected with ultrasonic stick,
First hoist, second hoist are equipped at the top of the housing, first hoist is connect by rope with the first agitating device,
Second hoist is connect by rope with ultrasonic transducer.
It is then heated the utility model has the beneficial effects that the utility model first passes through to preheat ammonium sulfate slurries, then will slurry
Liquid imports vaporising device and is evaporated, and in evaporation process, slurries are constantly recycled between vaporising device and main heat exchanger, tool
Have the advantages that evaporation efficiency is high；And secondary steam makes secondary steam heat exchanger tube play heating and thermal insulation to vaporising device by guidance
Effect, secondary steam for preheating utilize after, after handling by vapour compression machine, turn again to main heat exchanger steam circulation,
Use compressed secondary steam as heating steam, has the advantages that energy saving；Cooling water in cooling coil passes through pre-
Condensate liquid, liquid reserve tank, cooler and its connecting pipe composition cooling water that heat exchanger and main heat exchanger generate follow
Ring structure, for supersaturated slurries in crystallization apparatus in crystallization process, cooling coil constantly cools down to slurries, improves crystalline rate；
After crystallization, by falling ultrasonic transducer and the first agitating device, the ultrasonic field of generation makes crystallization apparatus inner wall attached
Crystal fall off, not only improve mass output rate, but also reduce clean and maintenance difficulty, the work that the first agitating device plays conducive to discharging
With；First agitating device, ultrasonic stick when in use, can also rise, prevent crystal apposition growth in crystallization process；Crystal material warp
To get product ammonium sulfate after swirl-flow devices, centrifugal device and drying device processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- serum storage tank, 2- pre-heating heat-exchanging device, the main heat exchanger of 3-, 4- vaporising device, 5- crystallization apparatus,
6- swirl-flow devices, 7- centrifugal device, 8- return pipe, 9- slurry circulating pump, 10- heat-preserving heating jacket, 11- secondary steam heat exchanger tube,
The upper air-guide disk of 12-, air-guide disk under 13-, 14- vapour compression machine, 15- air-introduced machine, 16- housing, the first agitating device of 17-, 18- are super
Acoustic wave transducer, 19- first hoist, 20- second hoist, 21- liquid reserve tank, 22- cooler, 23- cooling coil, 24-
Two agitating devices, 25- screw conveyor, 26- drying device.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, but is not subject in any way to the utility model
Limitation is transformed or replaced based on any made by the utility model introduction, belongs to the protection scope of the utility model.
The utility model as shown in Fig. 1 includes the serum storage tank 1 for passing sequentially through pipeline connection, pre-heating heat-exchanging device 2, master
Heat exchanger 3, vaporising device 4, crystallization apparatus 5, swirl-flow devices 6, centrifugal device 7, the side lower of the vaporising device 4
It is connect with one end of return pipe 8,8 other end of return pipe is connect with the inlet pipe of main heat exchanger 3, and return pipe 8 is equipped with slurries
Circulating pump 9 is equipped with heat-preserving heating jacket 10 on the outside of the vaporising device 4, is equipped with secondary steam heat exchanger tube in heat-preserving heating jacket 10
11, the top of the vaporising device 4 is equipped with upper air-guide disk 12, and lower section is equipped with lower air-guide disk 13, the upper air-guide disk 12
Bottom centre's inlet end is connect by pipeline with the secondary steam discharge end at 4 top of vaporising device, the secondary steam heat exchange
The upper end of pipe 11 is connect with the bottom of upper air-guide disk 12, and lower end is connect with the top of lower air-guide disk 13, the lower air-guide disk 13
Side exhaust end is connect by pipeline with the inlet end of vapour compression machine 14, and the outlet side of vapour compression machine 14 passes through pipeline and master
The inlet end of heat exchanger 3,13 exhaust end of lower air-guide disk are equipped with air-introduced machine 15, are at the top of the crystallization apparatus 5
Open design, and top is equipped with housing 16, is equipped with the first agitating device 17 in the housing 16, the first agitating device side is set
There is ultrasonic transducer 18,18 bottom of ultrasonic transducer is connected with ultrasonic stick, is equipped with the first elevator at the top of the housing 16
Machine 19, second hoist 20, first hoist 19 are connect by rope with the first agitating device 17, and second hoist 20 passes through rope
Rope is connect with ultrasonic transducer 18.
Preferably, the condensate liquid outlet end of the condensate liquid outlet end of the pre-heating heat-exchanging device 2, main heat exchanger 3
It is connect respectively by pipeline with the liquid feeding end of liquid reserve tank 21, the outlet end of liquid reserve tank 21 passes through the liquid feeding end of pipeline and cooler 22
Connection, the crystallization apparatus 5 are double-layer structure, and internal layer is crystallization cavity, are cooling chamber between internal layer and outer layer, cooling chamber is from upper
To cooling coil 23 is had, the outlet end of the cooler 22 is connect by pipeline with the liquid feeding end of cooling coil 23, and
Pipeline is equipped with coolant liquid delivery pump, and the outlet end of the cooling coil 23 is pierced by outside crystallization apparatus 5.
Preferably, the outlet end of the cooling coil 23 is connect by pipeline with the liquid feeding end of liquid reserve tank 21.
Preferably, the vaporising device 4 is equipped with the second agitating device 24, and playing disperses the slurries in vaporising device
With interior effect.
Preferably, the pre-heating heat-exchanging device 2, main heat exchanger 3 are vapor heat exchanger.
Preferably, the secondary steam heat exchanger tube 11 has multiple, is arranged around vaporising device 4.
Preferably, the upper air-guide disk 12, be equipped with air guide cavity in lower air-guide disk 13.
Preferably, the discharge end of the centrifugal device 7 is connect with the feed end of screw conveyor 25, screw conveyor 25
Discharge end connect with the feed end of drying device 26.
Preferably, the centrifugal device 7 is piston material pushing formula centrifuge.
Preferably, the drying device 26 is vibrated fluidized bed.
Preferably, the vaporising device 4 is that device is evaporated under reduced pressure.
Utility model works principle and the course of work: sintering flue gas ammonium sulfate slurries after the ammonia process of desulfurization are stored in slurries
In storage tank, then the preheated heat-exchanger rig 2 of serum materials is preheated, then heats through main heat exchanger 3；Slurry after heating into
Entering and is evaporated in vaporising device 4, secondary steam is discharged into upper air-guide disk 12 by the secondary steam discharge end at 4 top of vaporising device,
And enter 14 adiabatic compression of vapour compression machine, re-enter master through secondary steam heat exchanger tube 11, lower air-guide disk 13, air-introduced machine 15
Cycle heat exchange in heat exchanger 3；Secondary steam heat exchanger tube 11 plays the role of improving thermal energy to 4 Heat preservation of vaporising device
Utilization rate；And in the slurry evaporation process in vaporising device 4, main heat is constantly sent back to by return pipe 8 by slurry circulating pump 9 and is exchanged heat
It is constantly heated in device 3, is re-fed into the evaporation of vaporising device 4, so recycles；Material after pervaporation is sent into crystallization apparatus 5
It is crystallized, in crystallization process, the cooling water in cooling coil 23 reduces temperature of charge, improve crystallization constantly to material-heat-exchanging
Efficiency；And cooling water can be re-circulated in liquid reserve tank and reuse；After the completion of crystallization, first hoist 19, the second elevator
Machine 20 starts, and by the first agitating device 17, ultrasonic transducer 18 is fallen into crystallization apparatus 5 together with ultrasonic stick；Then it first stirs
Device 17 is mixed, ultrasonic transducer 18 starts, and ultrasonic transducer 18 is made in crystallization apparatus 5 by the ultrasonic field that ultrasonic stick generates
The crystal of wall adhesion falls off, and while improving load, reduces clean and maintenance difficulty；First agitating device 17 is stirred continuously, and is made
Crystal is conducive to discharging；Crystal material is further concentrated using swirl-flow devices 6, and centrifugal device 7 separates, then through drying device 26
Drying is to get product ammonium sulfate.
Claims (10)
1. a kind of ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing, the slurries including passing sequentially through pipeline connection
Storage tank (1), pre-heating heat-exchanging device (2), main heat exchanger (3), vaporising device (4), crystallization apparatus (5), swirl-flow devices (6),
Centrifugal device (7), it is characterized in that: the side lower of the vaporising device (4) is connect with one end of return pipe (8), return pipe
(8) other end is connect with the inlet pipe of main heat exchanger (3), and return pipe (8) is equipped with slurry circulating pump (9), the evaporation
Heat-preserving heating jacket (10) are equipped on the outside of device (4), are equipped with secondary steam heat exchanger tube (11) in heat-preserving heating jacket (10), the steaming
The top of transmitting apparatus (4) is equipped with upper air-guide disk (12), and lower section is equipped with lower air-guide disk (13), the bottom of the upper air-guide disk (12)
Air feeding in center end is connect by pipeline with the secondary steam discharge end at the top of vaporising device (4), the secondary steam heat exchanger tube
(11) upper end is connect with the bottom of upper air-guide disk (12), and lower end is connect with the top of lower air-guide disk (13), the lower air guide
Disk (13) side exhaust end is connect by pipeline with the inlet end of vapour compression machine (14), and the outlet side of vapour compression machine (14) is logical
The inlet end of piping and main heat exchanger (3), lower air-guide disk (13) exhaust end is equipped with air-introduced machine (15), described
It is open design at the top of crystallization apparatus (5), and top is equipped with housing (16), the first agitating device is equipped in the housing (16)
(17), the first agitating device side is equipped with ultrasonic transducer (18), and ultrasonic transducer (18) bottom is connected with ultrasonic stick, institute
It is equipped with first hoist (19), second hoist (20) at the top of the housing (16) stated, first hoist (19) passes through rope and the
One agitating device (17) connection, second hoist (20) are connect by rope with ultrasonic transducer (18).
2. the ammonium sulfate slurries system of processing according to claim 1 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
The condensate liquid outlet end for the pre-heating heat-exchanging device (2) stated, the condensate liquid outlet end of main heat exchanger (3) pass through respectively pipeline with
The liquid feeding end of liquid reserve tank (21) connects, and the outlet end of liquid reserve tank (21) is connect by pipeline with the liquid feeding end of cooler (22), institute
The crystallization apparatus (5) stated is double-layer structure, and internal layer is crystallization cavity, is cooling chamber between internal layer and outer layer, cooling chamber is from top to bottom
Equipped with cooling coil (23), the outlet end of the cooler (22) is connect by pipeline with the liquid feeding end of cooling coil (23),
And pipeline is equipped with coolant liquid delivery pump, the outlet end of the cooling coil (23) is pierced by crystallization apparatus (5) outside.
3. the ammonium sulfate slurries system of processing according to claim 2 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
The outlet end for the cooling coil (23) stated is connect by pipeline with the liquid feeding end of liquid reserve tank (21).
4. the ammonium sulfate slurries system of processing according to claim 1 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
The vaporising device (4) stated is equipped with the second agitating device (24).
5. the ammonium sulfate slurries system of processing according to claim 1 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
Pre-heating heat-exchanging device (2), the main heat exchanger (3) stated are vapor heat exchanger.
6. the ammonium sulfate slurries system of processing according to claim 1 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
The secondary steam heat exchanger tube (11) stated has multiple, circular vaporising device (4) setting.
7. the ammonium sulfate slurries system of processing according to claim 1 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
Upper air-guide disk (12), the lower air-guide disk (13) stated are interior to be equipped with air guide cavity.
8. the ammonium sulfate slurries system of processing according to claim 1 for sintering flue gas ammonia method desulfurizing, it is characterized in that: institute
The discharge end for the centrifugal device (7) stated is connect with the feed end of screw conveyor (25), the discharge end of screw conveyor (25) with
The feed end of drying device (26) connects.
9. the ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing according to claim 1 or 8, feature
Be: the centrifugal device (7) is piston material pushing formula centrifuge.
10. the ammonium sulfate slurries system of processing according to claim 8 for sintering flue gas ammonia method desulfurizing, it is characterized in that:
The drying device (26) is vibrated fluidized bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920193783.8U CN209618902U (en) | 2019-02-13 | 2019-02-13 | A kind of ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920193783.8U CN209618902U (en) | 2019-02-13 | 2019-02-13 | A kind of ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing |
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| Publication Number | Publication Date |
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| CN209618902U true CN209618902U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920193783.8U Active CN209618902U (en) | 2019-02-13 | 2019-02-13 | A kind of ammonium sulfate slurries system of processing for sintering flue gas ammonia method desulfurizing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957065A (en) * | 2020-07-21 | 2020-11-20 | 中冶南方都市环保工程技术股份有限公司 | System for producing ammonium sulfate by post-treatment of ammonia process desulfurization liquid and application method thereof |
-
2019
- 2019-02-13 CN CN201920193783.8U patent/CN209618902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111957065A (en) * | 2020-07-21 | 2020-11-20 | 中冶南方都市环保工程技术股份有限公司 | System for producing ammonium sulfate by post-treatment of ammonia process desulfurization liquid and application method thereof |
| CN111957065B (en) * | 2020-07-21 | 2024-04-26 | 中冶南方都市环保工程技术股份有限公司 | System for producing ammonium sulfate by ammonia desulfurization liquid post-treatment and application method thereof |
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