CN208932997U - Alumina producer live steam condensed water processing unit - Google Patents
Alumina producer live steam condensed water processing unit Download PDFInfo
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- CN208932997U CN208932997U CN201821545949.XU CN201821545949U CN208932997U CN 208932997 U CN208932997 U CN 208932997U CN 201821545949 U CN201821545949 U CN 201821545949U CN 208932997 U CN208932997 U CN 208932997U
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- condensed water
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- water
- steam
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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
- Y02P20/10—Process efficiency
Abstract
The utility model proposes alumina producer live steam condensed water processing units, including flash tank, live steam condensed water flash tank, evaporate qualified sink and power plant's oxygen-eliminating device, the steam exhaust that the secondary vapour and flash tank that live steam condensed water slot generates generate collects and is passed through First Heat Exchanger, it is passed through qualified water in First Heat Exchanger and is delivered to the qualified sink of evaporation, it evaporates qualified sink to separate two-way and be respectively connected to the second heat exchanger and power plant's oxygen-eliminating device, live steam condensed water is routed directly to power plant's oxygen-eliminating device after flowing through the second heat exchanger.The utility model heats qualified water using the secondary vapour of dissolution and steam exhaust, reduce the temperature difference of qualified water and live steam condensed water, and evaporation qualified water is sent in power plant's oxygen-eliminating device in such a way that pipeline exchanges heat together again with live steam condensed water, both reduce the steam evaporated in qualified sink and dilution trap and run the amount of emitting, reduce the Coal-fired capacity of boiler, energy conservation and environmental protection again.The utility model is designed reasonably, structure are simple, are suitble to large-scale promotion.
Description
Technical field
The utility model belongs to aluminum oxide production device technical field more particularly to the processing of alumina producer live steam condensed water
Device.
Background technique
In aluminum oxide production process, dissolution process needs the initial steam generated using boiler of power plant to heat ore pulp, promotees
Dissolve out ore pulp；Initial steam by heat by passing to ore pulp after tube digestion equipment after, condensed condensed water is referred to as
Live steam condensed water.China's alumina producer is that live steam condensed water is sent to live steam condensed water flash tank to carry out concentration steaming mostly
Mother liquor is sent out, the secondary vapour evaporated is sent to atmospheric silicon removing subitem, and the live steam condensed water and evaporation qualified water that dissolve out may be used also
Next gas supply circulation is carried out to return to power plant by power plant's oxygen-eliminating device.
Currently, the live steam condensed water of former design dissolution still has 160 DEG C of temperature, the common processing side of alumina producer
Method is all first to be inputted the qualified sink of evaporation, then together with evaporation qualified water between power transmission factory waterwheel, but evaporation qualified water
Temperature there was only 63 DEG C or so, in this case, since the two temperature difference will emerge greatly a large amount of steamings on evaporating qualified sink
Vapour, in-situ production environment are severe；Meanwhile steam condensate (SC) generally can not 100% return power plant, boiler of power plant itself blowdown in addition
Etc. causing boiler to must be supplemented with a large amount of demineralized waters, desalination coolant-temperature gage is lower, general≤30 DEG C, has to be steamed with low pressure into oxygen-eliminating device
Vapour is directly heated to 150 DEG C or more, can be guaranteed to remove dissolved oxygen, be consumed a large amount of low-pressure steams and boiler oil；Furthermore it dissolves out
Ore pulp afterwards can be sent to dilution trap after multistage concentration, and in dilution trap, dissolved mineral slurry is sent primary with sedimentation process
Washing lotion mixing, since the temperature of end effect flash vessel is higher, causes to generate a large amount of steam exhaust in dilution trap, most of heat is wasted
Fall.
Utility model content
The utility model the problems of during returning to power plant, proposes one kind for above-mentioned live steam condensed water
Design is rationally, structure is simple, energy consumption is lower and is able to solve the alumina producer live steam condensed water processing dress that steam runs the problem that emits
It sets.
In order to achieve the above object, the technical solution adopted in the utility model is alumina producer provided by the utility model
Live steam condensed water processing unit, including flash tank, live steam condensed water flash tank and qualified sink is evaporated, on the flash tank
It is provided with steam exhaust outlet, secondary vapor outlet, condensation water inlet and condensed water are provided on the live steam condensed water flash tank and is gone out
Mouthful, it is provided with qualified water inlet and qualified water out on the qualified sink of the evaporation, the secondary vapor outlet passes through secondary steam pipe
Road is connect with the exhaust steam pipeline that steam exhaust exit is arranged, and one end of the exhaust steam pipeline is provided with First Heat Exchanger, and described first
Heat exchanger is connect with qualified sink is evaporated, and the qualification water out shares two and respectively first outlet and second outlet, institute
First outlet is stated by being connected to the second heat exchanger the first communicating pipe, second heat exchanger includes the inner tube being wholely set and outer
It manages, be provided with bend pipe in parallel on the outer tube and be connected to inner tube, be provided with thermostat valve on the parallel connection bend pipe, the outer tube is set
It sets between the first condensate pipe and the second condensate pipe, first condensate pipe is connect with condensation-water drain, and described second
Condensate pipe is connected to power plant's oxygen-eliminating device, and the second outlet is by being connected to power plant's oxygen-eliminating device the second communicating pipe, and described first
Regulating valve is provided on communicating pipe and the second communicating pipe.
Preferably, the flash tank is ten grades of flash tanks.
Preferably, the steam exhaust outlet is the steam exhaust outlet on the final stage flash tank of ten grades of flash tanks.
Compared with prior art, it is the advantages of the utility model with good effect,
1, alumina producer live steam condensed water processing unit provided by the utility model, utilizes the secondary vapour of dissolution and steam exhaust
Qualified water is heated, reduces the temperature difference of qualified water and live steam condensed water, and evaporation qualified water is led to live steam condensed water
The mode of pipingization heat exchange is sent in power plant's oxygen-eliminating device together again, has not only been reduced the qualified sink race of evaporation and has been emitted quantity of steam, but also has subtracted
The Coal-fired capacity of boiler, energy conservation and environmental protection are lacked；Enter electricity by the way that qualified moisture two-way will be evaporated the first communicating pipe and the second communicating pipe
In factory, and the flow by adjusting two regulating valves can effectively control the utilization of steam exhaust, be further reduced in dilution trap
The amount of emitting is run with the steam evaporated in qualified sink, and is conducive to improve production efficiency.The utility model is designed reasonably, structure letter
It is single, it is suitble to large-scale promotion.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the alumina producer live steam condensed water processing unit that embodiment provides；
Fig. 2 is the structural schematic diagram for the second heat exchanger that embodiment provides；
In above each figure, 1, flash tank；2, live steam condensed water flash tank；3, qualified sink is evaporated；4, secondary steam pipe road；
5, exhaust steam pipeline；6, First Heat Exchanger；7, the first communicating pipe；8, the second communicating pipe；9, the second heat exchanger；91, inner tube；92, outer
Pipe；93, bend pipe in parallel；94, thermostat valve；10, the first condensate pipe；11, the second condensate pipe；12, regulating valve；13, boiler；
14, canalization dissolving out apparatus；15, power plant's oxygen-eliminating device.
Specific embodiment
It is with reference to the accompanying drawing and real in order to be more clearly understood that the above objects, features, and advantages of the utility model
Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality
The feature applied in example can be combined with each other.For sake of convenience, hereafter such as there are "upper", "lower", "left", "right" printed words, only indicate
It is consistent with the upper and lower, left and right direction of attached drawing itself, restriction effect is not played to structure.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other modes described herein are different from, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment, as depicted in figs. 1 and 2, alumina producer live steam condensed water processing unit provided by the utility model, packet
It includes flash tank 1, live steam condensed water flash tank 2 and evaporates qualified sink 3, steam exhaust outlet is provided on flash tank 1, initial steam is cold
It is provided with secondary vapor outlet, condensation water inlet and condensation-water drain on condensate flash tank 2, evaporates and is provided with conjunction on qualified sink 3
Lattice water inlet and qualified water out, above-mentioned flash tank 1, live steam condensed water flash tank 2 and the knot for evaporating qualified sink 3 itself
Structure belongs to existing mature technology, and the present embodiment is not repeating, and the emphasis of the utility model is to live steam condensed water and weary
The improvement that the defeated pipe-line of automotive provides, and the part pipeline being related to is made and is specifically designed, to the qualified sink of evaporation
3, the race of a large amount of steam emits problem and is improved in dilution trap.
Specifically, the utility model by the secondary vapor outlet of live steam condensed water flash tank 2 by secondary steam pipe road 4 with it is weary
The exhaust steam pipeline 5 being arranged at vapor outlet connects, and one end of exhaust steam pipeline 5 is provided with First Heat Exchanger 6, First Heat Exchanger 6 and steaming
It sends out qualified sink 3 to connect, qualified water out shares two and respectively first outlet and second outlet, and first outlet passes through first
It is connected to the second heat exchanger 9 communicating pipe 7, the second heat exchanger 9 includes the inner tube 91 being wholely set and outer tube 92, is arranged on outer tube 92
There is bend pipe 93 in parallel and be connected to inner tube 91, thermostat valve 94 is provided on bend pipe 93 in parallel, the setting of outer tube 92 is in 10 first condensations
Between water pipe and the second condensate pipe 11, the first condensate pipe 10 is connect with condensation-water drain, and the second condensate pipe 11 is connected to
Power plant's oxygen-eliminating device 15, second outlet were connected to the first communicating pipe 7 by being connected to power plant's oxygen-eliminating device 15 second communicating pipe 8 with second
Regulating valve is provided on pipe 8.
The secondary vapour dissolved out in live steam condensed water flash tank 2 from the point of view of flow of media in different pipelines and flash distillation
The steam exhaust generated in slot 1 collects at one and is sent to First Heat Exchanger 6 together, qualified water is passed through in First Heat Exchanger 6, with dissolution
Qualified water is heated in secondary vapour and steam exhaust, reduces the temperature difference of qualified water and live steam condensed water, and by evaporation qualified water and newly
Steam condensate (SC) is sent in power plant's oxygen-eliminating device together again in such a way that pipeline exchanges heat, and has both been reduced the qualified sink 3 of evaporation and has been run
Quantity of steam is emitted, and reduces the Coal-fired capacity of boiler, energy conservation and environmental protection.Wherein, the heat exchange that the second heat exchanger plays acts on the present apparatus
In it is quite important because there is the second heat exchanger, be just able to exchange heat by pipelineization to alleviate steam on evaporating qualified sink
Race emits problem, and the main function of bend pipe in parallel is the inner and outer pipes for being connected to the second heat exchanger, not with medium shunt in existing heat exchanger
Together, the medium that two kinds participate in heat exchange is finally realized by the second heat exchanger and mixes and return to power plant's deoxygenation together by the utility model
Device, and thermostat valve can control the temperature difference of the two media in the second heat exchanger before mixing and keep minimum, using energy source
Rate is higher, and most direct effect further includes that the demineralized water supply demand of power plant is reducing, and boiler of power plant Coal-fired capacity is reduced.
The amount of emitting is run in order to be further reduced steam, the utility model will evaporation by the first communicating pipe 7 and the second communicating pipe 8
Qualified moisture two-way enters in power plant, and the flow by adjusting two regulating valves 12 can effectively control the utilization of steam exhaust
Amount, being fully utilized for the steam exhaust that flash tank generates, is effectively relieved the high temperature of the product in flash tank, is further reduced
The race generated in dilution trap because being passed through the product from flash tank emits quantity of steam, while decreasing in the qualified sink of evaporation
Steam run the amount of emitting, be advantageous to improve production efficiency.
In order to improve productivity ratio, the flash tank 1 that the utility model uses is ten grades of flash tanks, and steam exhaust outlet is ten grades of sudden strains of a muscle
The steam exhaust outlet on the final stage flash tank of slot is steamed, the temperature of the steam exhaust come out from final stage flash tank is higher, also compares using space
It is larger.
After whole device pipeline improves, 4.44 tons of coal, 33.24 tons of demineralized water can be saved per hour, by coal per ton at this stage
425 yuan, 10 yuan of demineralized water per ton calculating, annual total 16,910,000 yuan of benefit of increase.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality
With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this
The protection scope of type technical solution.
Claims (3)
1. alumina producer live steam condensed water processing unit, including flash tank, live steam condensed water flash tank and evaporation qualified water
Slot is provided with steam exhaust outlet on the flash tank, is provided with secondary vapor outlet, condensed water on the live steam condensed water flash tank
Import and condensation-water drain are provided with qualified water inlet and qualified water out on the qualified sink of the evaporation, which is characterized in that institute
It states secondary vapor outlet and is connect by secondary steam pipe road with the exhaust steam pipeline that steam exhaust exit is arranged, one end of the exhaust steam pipeline is set
It is equipped with First Heat Exchanger, the First Heat Exchanger is connect with qualified sink is evaporated, and the qualification water out shares two and difference
For first outlet and second outlet, the first outlet is by being connected to the second heat exchanger, second heat exchange the first communicating pipe
Device includes the inner and outer tubes being wholely set, and bend pipe in parallel is provided on the outer tube and is connected to inner tube, the parallel connection bend pipe
On be provided with thermostat valve, the outer tube is arranged between the first condensate pipe and the second condensate pipe, first condensate pipe
It is connect with condensation-water drain, second condensate pipe is connected to power plant's oxygen-eliminating device, and the second outlet passed through for the second communicating pipe
It is connected to power plant's oxygen-eliminating device, is provided with regulating valve on first communicating pipe and the second communicating pipe.
2. alumina producer live steam condensed water processing unit according to claim 1, which is characterized in that the flash tank is
Ten grades of flash tanks.
3. alumina producer live steam condensed water processing unit according to claim 2, which is characterized in that the steam exhaust outlet
For the steam exhaust outlet on the final stage flash tank of ten grades of flash tanks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545949.XU CN208932997U (en) | 2018-09-21 | 2018-09-21 | Alumina producer live steam condensed water processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545949.XU CN208932997U (en) | 2018-09-21 | 2018-09-21 | Alumina producer live steam condensed water processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208932997U true CN208932997U (en) | 2019-06-04 |
Family
ID=66721792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821545949.XU Active CN208932997U (en) | 2018-09-21 | 2018-09-21 | Alumina producer live steam condensed water processing unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN208932997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112209414A (en) * | 2020-09-01 | 2021-01-12 | 靖西天桂铝业有限公司 | Linkage hot test process before production of aluminum oxide |
-
2018
- 2018-09-21 CN CN201821545949.XU patent/CN208932997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112209414A (en) * | 2020-09-01 | 2021-01-12 | 靖西天桂铝业有限公司 | Linkage hot test process before production of aluminum oxide |
| CN112209414B (en) * | 2020-09-01 | 2022-11-11 | 靖西天桂铝业有限公司 | Linkage hot test process before alumina production |
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