CN108211389A - A kind of vaporising device and setting method with self-cleaning function - Google Patents
A kind of vaporising device and setting method with self-cleaning function Download PDFInfo
- Publication number
- CN108211389A CN108211389A CN201810241373.6A CN201810241373A CN108211389A CN 108211389 A CN108211389 A CN 108211389A CN 201810241373 A CN201810241373 A CN 201810241373A CN 108211389 A CN108211389 A CN 108211389A
- Authority
- CN
- China
- Prior art keywords
- concentration
- waste liquid
- evaporator
- evaporation
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 238000001704 evaporation Methods 0.000 claims abstract description 36
- 230000008020 evaporation Effects 0.000 claims abstract description 36
- 239000002699 waste material Substances 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000011282 treatment Methods 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 208000002925 dental caries Diseases 0.000 claims description 8
- 239000010808 liquid waste Substances 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000012805 post-processing Methods 0.000 claims description 2
- 238000000844 transformation Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- -1 silicon ion Chemical class 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0064—Feeding of liquid into an evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The present invention relates to a kind of vaporising devices and setting method with self-cleaning function.The method of the present invention is：Longitudinal direction along cavity in evaporation cavity is classified as two independent parts, when carrying out concentration, the higher waste liquid of one independent sector concentration for the treatment of, another independent sector then relatively low waste liquid of concentration for the treatment of, then operating mode is periodically converted, fouling is washed away using the dissolving and circulation fluid of the waste liquid of low concentration, generates automatic cleaning action.The evaporator of the present invention is to set a partition board along the longitudinal direction of cavity in evaporation cavity, by evaporation cavity every being independent two parts.Due to having carried out the cleaning operation of evaporation cavity wall in time, the device of the invention can also be made to have higher evaporation efficiency, the service efficiency of vapo(u)rization system has greatly been widened, significantly reduced equipment investment and operating cost.
Description
Technical field
The present invention relates to a kind of setting methods and vaporising device with self-cleaning function.
Background technology
The main method of Industrial Waste Water Treatments has film to concentrate and be concentrated by evaporation, crystallization treatment technique.Film concentration is a kind of high
The technology of effect purifying concentration, it reaches concentration using the active ingredient separation for realizing orientation different from the molecular weight of liquid
Effect, but effective osmotic pressure cannot be formed after the degree that inorganic salt concentration in sewage reaches certain, therefore use
Narrow range, cost of investment is excessively high in addition, cannot meet industrial needs at present.It is concentrated by evaporation, crystallization treatment is to steam sewage
Hair forms distilled water and strong brine, and strong brine is crystallized again to carry out separation of solid and liquid afterwards.Either using the system of traditional multiple-effect also
It is using MVR vapo(u)rization systems, being concentrated by evaporation that treated, water quality is very excellent, and solid waste or dense waste liquid can concentrate pack, locate
It is thorough to manage results contrast, therefore is to use a kind of more processing method at this stage.Evaporation and concentration disposes waste liquid main equipment
For evaporator, but calcium in processing procedure in waste water, magnesium, silicon ion can gradual enrichment method, it is this in evaporator processing
The liquid containing the solid suspensions such as a large amount of calcium carbonate and excessive ash, can be in the gradual fouling of evaporator inner wall, eventually
Equipment is caused to be unable to operate normally.To solve this problem, it needs to shut down for a period of time afterwards to carry out at scale removal in evaporator operation
Reason.
Invention content
The present invention, which provides one kind, can solve of the existing technology, and liquid waste treating apparatus intermitten service is not caused by fouling
Foot can make evaporator carry out self-cleaning setting method and this evaporator with automatic cleaning action.
The present invention realizes that the setting method of vaporising device self-cleaning function is：It will along the longitudinal direction of cavity in evaporation cavity
It is divided into two independent parts, and when carrying out concentration, the higher waste liquid of an independent sector concentration for the treatment of, another is solely
The vertical part then relatively low waste liquid of concentration for the treatment of, in the independent sector for working the higher waste liquid of a period of time post processing concentration in device
Liquid waste concentration reach the discharge standard of technological requirement after discharge, then input wherein new low concentration waste liquid be evaporated it is dense
Contracting, and the waste liquid of the independent sector of the relatively low waste liquid of previously processed concentration continues to be concentrated by evaporation, until reaching technological requirement
It is discharged after discharge standard, such two independent sector periodic transformations handle the waste liquid of various concentration.This method of the present invention
It can be to carrying out automatically cleaning in evaporation cavity, this is because to be happened at liquid intermediate ion concentration opposite for fouling on evaporation cavity body wall
Compare it is high in the case of, be that can form fouling on cavity wall, but work as before liquid waste concentration is increased to the discharge of technique discharge standard
After high-concentration waste liquid discharge when inputting new low concentration waste liquid, the waste liquid of low concentration can partly dissolution of scale, evaporate simultaneously
The waste liquid of heat cycles can also aggravate this effect, therefore when an independent sector of evaporation cavity is carried out to high-concentration waste liquid
The fouling generated during evaporation and concentration can be dissolved when handling the low concentration waste liquid that newly input, one is formed in such cavity and is moved
The automatic cleaning action of state.
A kind of evaporator with self-cleaning function of the present invention is to set one along the longitudinal direction of cavity in evaporation cavity
One end of a partition board, wherein partition board is contacted with evaporator low head, the other end of partition board be set on distributor and with distribution
The upper limb of device is concordant, and distributor and entire evaporation cavity are divided into two independent sectors of A and B, evaporator thus by partition board
Low head be located at evaporation A cavitys and B cavitys at is respectively arranged with two evaporation fluid outlet ports, evaporator be located at distributor it
It is upper that two input ports that liquid can be inputted to A cavitys and B cavitys, the output port and input port of corresponding portion are set respectively
Between respectively use two pipeline connections of A and B.Specifically be the present invention vaporising device can be tubular evaparator,
But plate-type evaporator.
Preferably, the vaporising device with self-cleaning function of the invention connects the output port of corresponding independent sector
With being respectively arranged with A evaporators circulating pump and B evaporator circulating pumps on the A pipelines of input port and B pipelines, with enhanced water evaporation mistake
Liquid circulation in journey.
Preferably, the vaporising device with self-cleaning function of the invention, optimum arrangement mode are by A pipelines and B pipes
The upstream end that road is located at evaporator circulating pump is arranged on being evaporated liquid input pipe with A switching valves or B switching valves respectively,
A pipelines and B pipelines are located at the discharge nozzle being arranged on respectively at the downstream of evaporator circulating pump with A outlet valves or B outlet valves.
It very convenient can implement to be concentrated by evaporation operation by the opening and closing of the interlock fit of switching valve and outlet valve.
It is an advantage of the invention that pass through extremely simple transformation, you can make the prior art that there is comparable automatical cleaning ability,
And this automatically cleaning operation could be carried out without the operation of arrestment as prior art, on the other hand due in time into
Gone evaporation cavity wall cleaning operation, also the device of the invention can be made to have higher evaporation efficiency, greatly widened evaporation system
The service efficiency of system, significantly reduces equipment investment and operating cost.
Description of the drawings
Embodiment device schematic diagram of the attached drawing 1 for the plate-type evaporator of the present invention, wherein：1 is distributor, and 2 is steam
Device is sent out, 3 be distributor partition board, and 4 be indirect steam outlet, and 5 be steam inlet pipe, and 6 be drip pipe, and 7 be part B
Circulating pump, 8 be part B discharge valve, 9 be evaporator inlet tube, 10 be part B switch valve, 11 for charging master control
Valve processed, 12 be the circulating pump of A parts, and 13 be the switch valve of B parts, and 14 be the partition board positioned at housing low head part,
15 be the low head of evaporator shell, and 16 be discharging master control valve, and 17 discharge valve for B parts, 18 be discharge nozzle.
Specific embodiment
The present invention is explained below in conjunction with attached drawing 1 and embodiment.
By attached drawing 1 as it can be seen that the present invention and basic structure and common plate-type evaporator are substantially identical, in evaporator
Upper cover be provided with indirect steam outlet pipe 4, aspect is provided with distributor 3 on the plate in evaporator shell body, evaporates plate
On be respectively arranged with heating steam inlet pipe 5 and exhaust steam efferent duct（It does not show in figure）And drip pipe 6.
It is of the invention to be with existing plate heat exchanger difference, along a longitudinally disposed partition board 3 for evaporator, lower end 14 in evaporation cavity
It is contacted with the low head 15 of housing, the upper end and the upper limb of distributor are substantially concordant, and pass through this partition board by evaporation cavity
It is divided into the A independent sectors on the left side and the B independent sectors on the right.In A independent sectors：It is provided at low head and is evaporated liquid
Output port；Be located on housing above distributor and offer and be evaporated fluid inlet port, the two ports with one thereon
It is provided with the pipeline connection of part A circulating pump 12.Similarly, in B independent sectors：It is provided with that be evaporated liquid defeated at low head
Exit port；It is located to offer above distributor on housing and is evaporated fluid inlet port, the two ports is set thereon with one
It is equipped with the pipeline connection of part B circulating pump 7.It is connected thereto respectively with threeway with switching valve 13 in the upstream of circulating pump 12 and 7
With 10 feed pipe.In the downstream of circulating pump 12 and 7 discharge nozzle with outlet valve 17 and 8 is connected thereto with threeway respectively.
Discharging master control valve 16 and charging master control valve 11 are also respectively provided on discharge nozzle 18 and on evaporator inlet tube 9.
The course of work of the present invention is as follows：
Waste liquid to be treated is conveyed through evaporator inlet tube 9, opens switch valve 10, closes switch valve 13, then without place
Dilute waste liquid of reason is first into the part B region that the part B circulating pump 7 of evaporator 2 works, overflow later to 12 work of circulating pump
Circulating pump 7 and circulating pump 12 is respectively started after meeting the work liquid level needed for evaporation, due on distributor 1 in the part A region of work
The segmentation effect of distributor partition board 3, waste liquid are evenly distributed to the heat exchange element surface of each self-circulating pump working region not respectively
It is disconnected to circulate.Through steam inlet pipe 5 to the heat exchange element delivered inside heat source stream of evaporator 2, steam and waste liquid fully into
Steam is condensed after row heat exchange, forms condensed water, and reuse is discharged by drip pipe 6, and waste liquid is by ebuillition of heated, generation
Indirect steam uses after the discharge of indirect steam outlet for other heating equipments.As waste liquid is lasting dense in evaporator 2
Contracting evaporation, is condensed after generating steam, forms condensed water and drains, declines so as to cause the liquid level in evaporator.Meanwhile closing is cut
Valve 8 is changed, opens switch valve 17, opens discharging control valve door 16, the part A dope that the circulating pump 12 of evaporator 2 works will
It is discharged.The signal notice inlet control valve door 11 that liquid level declines is opened, and new waste liquid is supplemented into evaporator 2 and is come in, in this way
The concentration for being formed waste liquid in two circulating pump working regions is dramatically different.At this time due to the work of circulating pump 7 in evaporator 2
Part B region is fed first, its solution concentration is relatively low in evaporation process, naturally dissolving with circulation fluid flow wash away it is common
Cleaning action is produced under effect, since liquid waste concentration is relatively low, dirt is hardly formed in part B region.And it discharges dense
Then fouling tendency is apparent for the a-quadrant that the circulating pump 12 of liquid works.During the normal operation of part A working region scale effect evaporation,
Change feed liquor order, close switch valve 10, open switch valve 13, then waste liquid will be first into circulating pump 12.Then
Switch valve 17 is closed, opens switch valve 8, then waste liquid is first into what circulating pump 12 worked by inlet control valve 11
In part A region, operating mode has switched to the part A region charging of 12 work of waste liquid circulation pump, and works from circulating pump 7
Part B region be discharge dope operating mode.This internal on-line cleaning pattern of the present invention, substantially prolongs equipment
Service life improves heat exchange efficiency, has greatly widened the service efficiency of vapo(u)rization system, significantly reduced equipment investment and fortune
Row expense.
Claims (4)
1. the method for self-cleaning function is set, it is characterised in that along the longitudinal direction of cavity in evaporation cavity in a kind of vaporising device
Two independent parts are classified as, when carrying out concentration, the higher waste liquid of an independent sector elder generation concentration for the treatment of, simultaneously
The relatively low waste liquid of another independent sector concentration for the treatment of, the independent part for a period of time post processing higher waste liquid of concentration that works in device
Liquid waste concentration in point is discharged, then new low concentration waste liquid is inputted in the independent sector after reaching the discharge standard of technological requirement
Concentration is evaporated, and the waste liquid of the independent sector of the relatively low waste liquid of previously processed concentration continues to be concentrated by evaporation, until reaching
It is discharged after the discharge standard of technological requirement, such two independent sector periodic transformations handle the waste liquid of various concentration.
2. a kind of evaporator with self-cleaning function, it is characterised in that set one along the longitudinal direction of cavity in evaporation cavity
One end of partition board, wherein partition board is contacted with evaporator low head, and the other end of partition board is set on distributor and and distributor
Upper limb it is concordant, distributor and entire evaporation cavity are divided into two parts of A and B, evaporator low head thus by partition board
Two evaporation fluid outlet ports are respectively arranged at evaporation A cavitys and B cavitys, evaporator is located on distributor respectively
Setting two can be distinguished to A cavitys and the input port of B cavitys input liquid between the output port and input port of corresponding portion
With two pipeline connections of A and B.
3. the vaporising device of self-cleaning function is carried according to claim 2, it is characterised in that connect the output of corresponding portion
A evaporators circulating pump and B evaporator circulating pumps are respectively arranged on port and the A pipelines of input port and B pipelines.
4. the vaporising device of self-cleaning function is carried according to claim 2, it is characterised in that be located in A pipelines and B pipelines
The upstream end of evaporator circulating pump is arranged on being evaporated liquid input pipe with A switching valves or B switching valves respectively, in A pipelines
It is located at the discharge nozzle being arranged on respectively at the downstream of evaporator circulating pump with A outlet valves or B outlet valves with B pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241373.6A CN108211389A (en) | 2018-03-22 | 2018-03-22 | A kind of vaporising device and setting method with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241373.6A CN108211389A (en) | 2018-03-22 | 2018-03-22 | A kind of vaporising device and setting method with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108211389A true CN108211389A (en) | 2018-06-29 |
Family
ID=62658919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810241373.6A Pending CN108211389A (en) | 2018-03-22 | 2018-03-22 | A kind of vaporising device and setting method with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108211389A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104532A (en) * | 2007-04-24 | 2008-01-16 | 天津长芦海晶集团有限公司 | Technique for producing refined salt from salt production waste liquid |
| US20080283199A1 (en) * | 2007-05-15 | 2008-11-20 | Hartman William F | Techniques used with solutions of solids in a liquid for separating the liquid from a solid |
| JP2011200801A (en) * | 2010-03-25 | 2011-10-13 | Sumiju Plant Engineering Kk | Evaporation apparatus and cleaning method therefor |
| JP2014221441A (en) * | 2013-05-13 | 2014-11-27 | 株式会社ササクラ | Evaporation concentrator and cleaning method of the same |
| CN105366867A (en) * | 2015-12-11 | 2016-03-02 | 上海朴是环境科技有限公司 | Single-effect multi-chamber mechanical compression evaporation device for processing high-salinity/high-organic-substance-content wastewater and method thereof |
| CN205241433U (en) * | 2015-12-11 | 2016-05-18 | 上海朴是环境科技有限公司 | High salt of single -action multi -chambered mechanical compression evaporating treatment / high organic matter waste water device |
| CN206730539U (en) * | 2017-05-20 | 2017-12-12 | 兰州节能环保工程有限责任公司 | A kind of liquid evaporation enrichment facility |
| CN107555693A (en) * | 2017-10-25 | 2018-01-09 | 江苏天航水处理有限公司 | A kind of emulsion waste liquid water oil piece-rate system |
| CN208229407U (en) * | 2018-03-22 | 2018-12-14 | 兰州节能环保工程有限责任公司 | A kind of vaporising device with self-cleaning function |
-
2018
- 2018-03-22 CN CN201810241373.6A patent/CN108211389A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104532A (en) * | 2007-04-24 | 2008-01-16 | 天津长芦海晶集团有限公司 | Technique for producing refined salt from salt production waste liquid |
| US20080283199A1 (en) * | 2007-05-15 | 2008-11-20 | Hartman William F | Techniques used with solutions of solids in a liquid for separating the liquid from a solid |
| JP2011200801A (en) * | 2010-03-25 | 2011-10-13 | Sumiju Plant Engineering Kk | Evaporation apparatus and cleaning method therefor |
| JP2014221441A (en) * | 2013-05-13 | 2014-11-27 | 株式会社ササクラ | Evaporation concentrator and cleaning method of the same |
| CN105366867A (en) * | 2015-12-11 | 2016-03-02 | 上海朴是环境科技有限公司 | Single-effect multi-chamber mechanical compression evaporation device for processing high-salinity/high-organic-substance-content wastewater and method thereof |
| CN205241433U (en) * | 2015-12-11 | 2016-05-18 | 上海朴是环境科技有限公司 | High salt of single -action multi -chambered mechanical compression evaporating treatment / high organic matter waste water device |
| CN206730539U (en) * | 2017-05-20 | 2017-12-12 | 兰州节能环保工程有限责任公司 | A kind of liquid evaporation enrichment facility |
| CN107555693A (en) * | 2017-10-25 | 2018-01-09 | 江苏天航水处理有限公司 | A kind of emulsion waste liquid water oil piece-rate system |
| CN208229407U (en) * | 2018-03-22 | 2018-12-14 | 兰州节能环保工程有限责任公司 | A kind of vaporising device with self-cleaning function |
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Application publication date: 20180629 |