CN208829475U - Desalination plant - Google Patents
Desalination plant Download PDFInfo
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- CN208829475U CN208829475U CN201821411109.4U CN201821411109U CN208829475U CN 208829475 U CN208829475 U CN 208829475U CN 201821411109 U CN201821411109 U CN 201821411109U CN 208829475 U CN208829475 U CN 208829475U
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- flue gas
- unit
- water
- band
- shell
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 37
- 239000013535 sea water Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 20
- 239000013505 freshwater Substances 0.000 claims abstract description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000005416 organic matter Substances 0.000 claims abstract description 12
- 238000007781 pre-processing Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 229940033663 thimerosal Drugs 0.000 claims abstract description 10
- 239000002028 Biomass Substances 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 9
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 43
- 239000000779 smoke Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010931 gold Substances 0.000 abstract description 2
- 229910052737 gold Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000000605 extraction Methods 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 238000011033 desalting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a kind of desalination plants, and along the flow direction of water, band through-hole partition one, band through-hole partition two, band through-hole partition three are disposed in the shell of sea water preprocessing device；Enclosure interior is divided into the disinfection unit being connected, filter element, denitrogenates phosphorus unit and except organic matter unit by three partitions.Stirring motor in disinfection unit drives the agitating shaft rotation that stirring blade is distributed with, and seawater is sufficiently mixed with the thimerosal entered by thimerosal gold industry connector, carries out adequate disinfection to seawater.Vertically arranged filter screen is filtered the impurity in seawater in filter element.Denitrogenate in phosphorus unit except phosphorous layer and denitrogenation layer, except in organic matter unit biomass fiber oil removing filtering layer and elastic filler, nitrogen, phosphorus and the other impurities in seawater can be effectively removed.Seawater after handling by sea water preprocessing device, sea water desalination when being desalinated into fresh-water generator is more efficient, sea water desalination better effect.
Description
Technical field
The utility model belongs to field of sea water desalting technology, and in particular to a kind of desalination plant.
Background technique
Sea water desalination i.e. utilize seawater desalination produce fresh water, refer to by water excess salt and minerals remove to obtain fresh water
Process, from seawater obtain fresh water process i.e. be referred to as sea water desalination.It is the open source increment technique realizing water resource and utilizing,
Fresh water total amount can be increased, and can not ensured coastal Drinking Water for Residents and Industrial Boiler moisturizing etc. by space-time and climatic effect
Stable water supply.
The process that fresh water is obtained from seawater calls sea water desalination.Method for desalting seawater now used have sea water freeze method,
Electroosmose process, the way of distillation, hyperfiltration and ammonium carbonate ion-exchange, currently, distillation sea water desalting processing technique needs
Steam is as reaction condition, and the steam is provided by steam injection equipment, and special equipment is needed to be generated and mentioned
Steam is taken, causes entire seawater desalination system huge, structure is complicated, increases system cost.Existing desalination plant is universal
It is lower to desalinate efficiency.
Boiler smoke is the main path of energy consumption equipment waste energy, and boiler exhaust gas energy consumption is about 15%, fume afterheat
The heat that flue gas carries mainly is converted into utilizable heat by certain heat exchange mode by recycling.Currently, fume afterheat
The thermal energy of recycling is generally used to preheat boiler cold water, and the flue gas after preheating needs to carry out the behaviour such as corresponding desulfurization depickling
Make, can just meet corresponding discharge standard, discharges atmosphere.
The thermal energy of the flue gas waste heat recovery of boiler can be used for the desalination of seawater, still, when currently used for sea water desalination, sea
The efficiency of water desalination is lower, and the effect of sea water desalination is less desirable.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of desalination plants, can be improved sea water desalination
Efficiency, and the better effect of sea water desalination.
In order to solve the above technical problems, the technical solution of the utility model is:
Desalination plant, the desalination plant include boiler, and the boiler is provided with boiler smoke channel, described
The outlet end in boiler smoke channel is connected with flue gas delivery pipe road, and the flue gas delivery pipe road connects the input terminal of a control valve,
The output end of the control valve is separately connected the first flue gas pipeline and the second flue gas pipeline；First flue gas pipeline extends to pre-
The preheating tube inlet of heat boiler；Second flue gas pipeline enters the inlet end of steam generator after extending, the inlet end is set
It is equipped with the pressure reducing valve being depressured to the high pressure flue gas in second flue gas pipeline, the steam generator is provided with condensed water
Output end and flash steam output end, the condensed water output end are connected to heat exchanger, the heat exchange by condensed water conveyance conduit
Device is connected to the boiler, and the flash steam output end is connected to fresh-water generator by flash steam channel；The sea water desalination
Device is connected with sea water preprocessing device；The sea water preprocessing device includes shell, along the flow direction of water, is successively set in the shell
It is equipped with band through-hole partition one, band through-hole partition two, band through-hole partition three；The band through-hole partition one, the band through-hole partition two,
It is described the enclosure interior is divided into the disinfection unit being connected, filter element with through-hole partition three, denitrogenate phosphorus unit and
Except organic matter unit；The disinfection unit includes being set to the intracorporal agitating shaft of the shell, and stirring is distributed on the agitating shaft
Blade, the agitating shaft are connected to motor by transmission shaft；Thimerosal liquid inlet joint is connected at the top of the disinfection unit；Institute
Stating filter element includes being vertically arranged to the intracorporal filter screen of the shell；The phosphorus unit of denitrogenating includes being vertically arranged to the shell
It is intracorporal to remove phosphorous layer and denitrogenation layer；The organic matter unit that removes includes being vertically arranged to the intracorporal biomass fiber oil removing of the shell
Filtering layer and elastic filler.
Further, described except phosphorous layer and the denitrogenation layer are in tilted layout.
Further, the biomass fiber oil removing filtering layer and the elastic filler are in tilted layout.
Further, in the filter element, positioned at the influent side of the filter screen, the bottom of the shell is connected with row
Dirty slot.
Further, the dirt discharge groove is the dirt discharge groove of taper.
Further, the flue gas delivery pipe road is provided with fume dust remover.
Further, the condensed water conveyance conduit is equipped with water pump close to one end of the condensed water output end.
By adopting the above-described technical solution, the beneficial effects of the utility model are:
Before the seawater desalinated enters fresh-water generator, first passes through sea water preprocessing device and handled.
Along the flow direction of water, be disposed in the shell of sea water preprocessing device band through-hole partition one, band through-hole partition two, band through-hole every
Plate three；Enclosure interior is divided into the disinfection unit being connected, filter element, denitrogenates phosphorus unit and except organic matter by three partitions
Unit.Stirring motor in disinfection unit drives the agitating shaft rotation that stirring blade is distributed with, seawater with pass through thimerosal gold industry
The thimerosal that connector enters is sufficiently mixed, and carries out adequate disinfection to seawater.Vertically arranged filter screen is to seawater in filter element
In impurity be filtered.It denitrogenates in phosphorus unit and removes phosphorous layer and denitrogenation layer, except the biomass fiber oil removing in organic matter unit
Filtering layer and elastic filler can effectively remove nitrogen, phosphorus and other impurities in seawater.It is handled by sea water preprocessing device
Seawater afterwards, sea water desalination when being desalinated into fresh-water generator is more efficient, sea water desalination better effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the desalination plant of the utility model；
Fig. 2 is the structural schematic diagram of sea water preprocessing device in Fig. 1；
In figure, 1- boiler, 2- dust-extraction unit, 3- flue gas delivery pipe road, the first flue gas pipeline of 31-, the second fume pipe of 32-
Road, 4- control valve, 5- preboiler, 6- pressure reducing valve, 7- steam generator, 71- flash steam output end, 72- condensed water output end,
8- sea water preprocessing device, 81- water inlet connector, 82- disinfection unit, 821- motor, 822- agitating shaft, 823- stirring blade,
824- transmission shaft, 825- thimerosal liquid inlet joint, 83- band through-hole partition one, 84- filter element, 841- filter screen, 842- row
Dirty slot, 85- band through-hole partition two, 86- denitrogenate phosphorus unit, and 861- removes phosphorous layer, 862- denitrogenation layer, 87- band through-hole partition three, 88-
Except organic matter unit, 881- biomass fiber oil removing filtering layer, 882- elastic filler, 89- water outlet connector, 810- shell, the sea 9-
Water desalination apparatus, 10- water pump, 11- condensed water conveyance conduit, 12- flash steam channel, 13- heat exchanger.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in connection with fig. 1, a kind of desalination plant, it includes boiler 1, and boiler smoke channel is provided on boiler 1,
The outlet end in boiler smoke channel is connected with flue gas delivery pipe road 3, and flue gas delivery pipe road 3 connects the input terminal of a control valve 4,
The output end of control valve 4 is separately connected the first flue gas pipeline 31 and the second flue gas pipeline 32.First flue gas pipeline 31 extends to pre-
The preheating tube inlet of heat boiler 5；Second flue gas pipeline 32 enters the inlet end of steam generator 7 after extending, inlet end is provided with
To the pressure reducing valve 6 that the high pressure flue gas in the second flue gas pipeline 32 is depressured, steam generator 7 is provided with condensed water output end 72
With flash steam output end 71, condensed water output end 72 is connected to heat exchanger 13 by condensed water conveyance conduit 11, heat exchanger 13 with
Boiler 1 is connected to, and flash steam output end 71 is connected to fresh-water generator 9 by flash steam channel 12, and fresh-water generator 9 is connected with sea
Water pre-treatment means 8.
After flash steam enters fresh-water generator 9 by flash steam channel 12, sea water desalination process is participated in, tail gas passes through row
The discharge of tracheae (not shown), the tail gas of the discharge do not generate any pollution and threat to atmosphere.
Condensed water conveyance conduit 11 is equipped with water pump 10 close to one end of condensed water output end 72, and the water pump 10 is by condensed water
From steam generator 7 from extraction, it is delivered to heat exchanger 13, after condensed water enters heat exchanger 13, carries out corresponding heat exchange work,
This is repeated no more.
Dust-extraction unit 2 is provided on flue gas delivery pipe road 3, dust-extraction unit 2 is discharged to from the outlet end in boiler smoke channel
High temperature and high pressure flue gas be dusted operation, details are not described herein.
Boiler 1 is provided with boiler smoke channel, and exhaust gases passes outlet connects flue gas delivery pipe road 3, and flue gas delivery pipe road 3 is logical
Control valve 4 is crossed to divide for the first flue gas pipeline 31 and the second flue gas pipeline 32.
Wherein, high pressure flue gas is delivered to pressure reducing valve 6 by the first flue gas pipeline 31, and the low pressure flue gas after decompression enters steam hair
Raw device 7, is flashed, and condensed water and flash steam are formed, and flash steam is connected to fresh-water generator 9 by flash steam channel 12, is joined
Passed through with the condensed water for carrying out sea water desalination process, and condensing formation in steam generator 7 by condensed water delivery end 71 cold
Condensate conveyance conduit 11 is delivered to heat exchanger 13, carries out heat exchange operation, wherein steam generator 7 is flash tank, specific
Details are not described herein for working process and principle.
High temperature and high pressure flue gas is delivered to the preheating tube inlet of preboiler 5 by the second flue gas pipeline 72, in preboiler 5
Cold water carry out preheating temperature raising.
As shown in connection with fig. 2, sea water preprocessing device 8 includes shell 810, along the flow direction of seawater, in shell 810 successively
It is provided with band through-hole partition 1, band through-hole partition 2 85, band through-hole partition 3 87.Band through-hole partition 1, band through-hole partition
2 85, it will be divided into the disinfection unit 82 being connected inside shell 810 with through-hole partition 3 87, filter element 84, denitrogenate phosphorus list
Member 86 and remove organic matter unit 88.Disinfection unit 82 is communicated with into water connector 81, and organic matter unit 88 is communicated with water outlet and connects
Connector 89.
Disinfection unit 82 includes the agitating shaft 822 of setting inside housings, and stirring blade 823 is distributed on agitating shaft 822,
Agitating shaft 822 is connect by transmission shaft 824 with motor 821.Thimerosal liquid inlet joint is connected at the top of disinfection unit 82
825, by thimerosal liquid inlet joint 825 toward thimerosal is added inside disinfection unit 82, carry out disinfection to seawater, and in agitating shaft
822 and stirring blade 823 under the action of so that the Disinfection Effect of seawater is more preferable.
Filter element 84 includes the filter screen 841 being vertically provided in shell 810；Inside filter element 84, it was located at
The influent side of strainer 841 is connected with dirt discharge groove 842 in the bottom of shell 810, and the impurity filtered by filter screen 841 passes through blowdown
Slot 842 is discharged.Dirt discharge groove 842 is more conducive to the collection of impurity using the dirt discharge groove of taper.
Denitrogenate phosphorus unit 86 include it is vertically arranged inside housings except phosphorous layer 861 and denitrogenation layer 862, can effectively go
Except the phosphorus and nitrogen in seawater.
Except organic matter unit 88 includes vertically arranged biomass fiber oil removing filtering layer 881 and elastic filler inside housings
882。
Except phosphorous layer 861 and denitrogenation layer 862 are in tilted layout, biomass fiber oil removing filtering layer 881 and elastic filler 882 are tilted
Arrangement.Seawater can generate vortex when flowing through, and can be preferably filtered the impurity in seawater.
Be related in this specification with serial number name technical characteristic (as band through-hole partition one, band through-hole partition two,
Band through-hole partition three, the first flue gas pipeline, the second flue gas pipeline etc.), it is only for each technical characteristic is distinguished, is not represented each
Positional relationship, erection sequence and job order between technical characteristic etc..
In the description of this specification, it is to be understood that the orientation or positional relationship of the descriptions such as " top " are to be based on
Orientation or positional relationship shown in the drawings, it is only for convenient for description the utility model and simplify description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art,
Described embodiment is only a part of the embodiment of the utility model, and instead of all the embodiments, these are only to lift
Example explanation, the protection scope of the utility model is to be defined by the appended claims.Those skilled in the art is without departing substantially from this
It, can be to these embodiments under any creative labor of no process under the premise of the principle and essence of utility model
Various changes or modifications are made, but these change and modification each fall within the protection scope of the utility model.
Claims (7)
1. desalination plant, the desalination plant includes boiler, and the boiler is provided with boiler smoke channel, the pot
The outlet end in kiln gas channel is connected with flue gas delivery pipe road, and the flue gas delivery pipe road connects the input terminal of a control valve, institute
The output end for stating control valve is separately connected the first flue gas pipeline and the second flue gas pipeline；
First flue gas pipeline extends to the preheating tube inlet of preboiler；
Second flue gas pipeline enters the inlet end of steam generator after extending, the inlet end is provided with to second cigarette
The pressure reducing valve that high pressure flue gas in air pipe is depressured, the steam generator is provided with condensed water output end and flash steam is defeated
Outlet, the condensed water output end are connected to heat exchanger by condensed water conveyance conduit, and the heat exchanger is connected to the boiler,
The flash steam output end is connected to fresh-water generator by flash steam channel；It is characterized in that,
The fresh-water generator is connected with sea water preprocessing device；The sea water preprocessing device includes shell, along the flow direction of water,
Band through-hole partition one, band through-hole partition two, band through-hole partition three are disposed in the shell；The band through-hole partition one,
It is described with through-hole partition two, it is described that with through-hole partition three enclosure interior to be divided into the disinfection unit being connected, filtering single
Member denitrogenates phosphorus unit and except organic matter unit；
The disinfection unit includes being set to the intracorporal agitating shaft of the shell, and stirring blade is distributed on the agitating shaft, described
Agitating shaft is connected to motor by transmission shaft；Thimerosal liquid inlet joint is connected at the top of the disinfection unit；
The filter element includes being vertically arranged to the intracorporal filter screen of the shell；
The phosphorus unit of denitrogenating includes that be vertically arranged to the shell intracorporal except phosphorous layer and denitrogenation layer；
The organic matter unit that removes includes being vertically arranged to the intracorporal biomass fiber oil removing filtering layer of the shell and elastic filler.
2. desalination plant as described in claim 1, which is characterized in that described except phosphorous layer and the denitrogenation layer tilt cloth
It sets.
3. desalination plant as described in claim 1, which is characterized in that the biomass fiber oil removing filtering layer and the bullet
Property filler be in tilted layout.
4. desalination plant as described in claim 1, which is characterized in that in the filter element, be located at the filter screen
Influent side, the bottom of the shell is connected with dirt discharge groove.
5. desalination plant as claimed in claim 4, which is characterized in that the dirt discharge groove is the dirt discharge groove of taper.
6. desalination plant as described in claim 1, which is characterized in that the flue gas delivery pipe road is provided with flue gas ash removal
Device.
7. desalination plant as described in claim 1, which is characterized in that the condensed water conveyance conduit is close to the condensation
One end of water output end is equipped with water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411109.4U CN208829475U (en) | 2018-08-30 | 2018-08-30 | Desalination plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821411109.4U CN208829475U (en) | 2018-08-30 | 2018-08-30 | Desalination plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208829475U true CN208829475U (en) | 2019-05-07 |
Family
ID=66311229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821411109.4U Active CN208829475U (en) | 2018-08-30 | 2018-08-30 | Desalination plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208829475U (en) |
-
2018
- 2018-08-30 CN CN201821411109.4U patent/CN208829475U/en active Active
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