CN201441835U - Demineralizer for multi-effect evaporation crystallization liquid - Google Patents
Demineralizer for multi-effect evaporation crystallization liquid Download PDFInfo
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- CN201441835U CN201441835U CN2009200302788U CN200920030278U CN201441835U CN 201441835 U CN201441835 U CN 201441835U CN 2009200302788 U CN2009200302788 U CN 2009200302788U CN 200920030278 U CN200920030278 U CN 200920030278U CN 201441835 U CN201441835 U CN 201441835U
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- crystal solution
- effect evaporation
- tank
- desalination
- demineralizer
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a demineralizer for multi-effect evaporation crystallization liquid, which comprises a demineralizing buffer tank and a demineralizing tank, wherein the two tanks can be used either separately or in series. The technology is adopted in the multi-effect evaporation process, so that the problem of pipe blockage due to the scaling of multi-effect evaporation crystallization liquid can be effectively solved, and the heat carried by saturated brine in crystallization liquid can be sufficiently recycled for lower steam consumption.
Description
Technical field:
The utility model relates to multiple-effect evaporation technology, particularly the demineralizer of multiple-effect evaporation crystal solution.
Background technology:
Multiple-effect evaporation (referring generally to triple effect) concentration technique has been widely applied to industries such as chemical industry, pharmacy as the energy saving technology, particularly show very big advantage in handling high-salt wastewater.
Patent document CN201168457Y (2008200829575) discloses a kind of multiple-effect evaporation crystallizer, and this system imitates by one that heater and 1st effective evaporator, two are imitated heaters and 2nd effect evaporator, triple effect heater and triple effect evaporation crystallizer and steam-water separator, cooler, drop pan, vavuum pump is formed.It is characterized in that between heater and evaporimeter, being provided with forced circulation pump, below 1st effective evaporator, 2nd effect evaporator and triple effect evaporation crystallizer, respectively be provided with a crystallization leg.This is the typical process (flow direction of material is different therewith in the multiple-effect evaporation technology that has) of present multiple-effect evaporation concentration technique, can effectively solve the fouling plugging problem in the multiple-effect evaporation crystallizer system.But outside the system, no longer including heating facility from the crystal solution discharging pump to crystallization tank, be a process of cooling gradually, so this section also is the district occurred frequently of fouling plugging.Because the crystal solution discharging pump is continuous operation in the above-mentioned technology, therefore have a pair of like this contradiction, when the crystal solution discharge hour, the discharging pump flow is little, flow velocity is slow, fouling takes place in pump or behind the pump easily stop up; When the crystal solution load is big, crystal solution concentration is lower, take a large amount of high temperature saturated brines out of, after the crystallization tank cooling, return multi-effect evaporation system, cause energy waste, whole multi-effect evaporation system operating efficiency is descended, and in addition, a large amount of saturated brines are with after fresh less salt waste water in the cistern mixes, make salt content improve, increased the possibility of multi-effect evaporation system intercrystalline plugging.
Summary of the invention
The utility model technology technical problem to be solved is to overcome the defective that prior art exists, and providing a kind of is the energy-conservation demineralizer that can prevent crystal solution fouling plugging again.
Technical scheme of the present invention is as follows:
Multiple-effect evaporation crystal solution demineralizer comprises the desalination surge tank and removes salt cellar that these two jars can use separately, the use of also can connecting.Its architectural feature is:
Desalination surge tank: form by tank body, reductor, sealing stirring, crystal solution inlet, crystal solution outlet and visor.The crystal solution inlet is positioned at the tank body top, and visor is near the tank body top, and the crystal solution outlet is positioned at tank base, and whole tank body has sealing requirements.
Remove salt cellar: form by crystal solution inlet, saturated brine refluxing opening, crystal salt outlet, drain and visor.The saturated brine refluxing opening is positioned at except that on the salt cellar tank deck cap shape structure, cap shape structure helps reducing the storage capability of jar interior saturated brine, the crystal solution inlet is positioned at the tank body upper portion side wall, drain is near tank base, visor is near the tank body top, the crystal salt outlet is near tank base, and diameter is greater than 400mm.
Because above-mentioned multiple-effect evaporation crystal solution demineralizer relates to two jars---desalination surge tank and remove salt cellar, these two jars can use separately, uses of also can connecting, so preferred version of the present utility model is as follows:
Scheme 1: crystallizing evaporator, desalination surge tank and crystal solution discharging pump are connected successively.The desalination surge tank is installed in the crystallizing evaporator below, and the discharge nozzle of crystallizing evaporator and vertical direction angle are not more than 45 °.High dense crystal solution relies on potential difference, flows into the desalination surge tank by crystallizing evaporator under the gravity effect, by the rate of outflow of valve crystallization control liquid.By the visor observation or according to flow rate calculation, when surge tank intercrystalline liquid be accumulated to a certain amount of after, open and stir, in making jar part sedimentation salt and the saturated brine on upper strata mix, open discharging pump then, the high dense crystal solution in the surge tank is once pumped, the interior cooling of the groove that decrystallizes, the crystallization desalination drenches the saturated brine that, and enters multi-effect evaporation system once more and handles.
Scheme 2: crystallizing evaporator, crystal solution discharging pump and remove salt cellar and be connected successively.The crystal solution discharging pump pumps crystal solution with big flow from steaming in the crystallizer, pump into from the crystal solution inlet that removes salt cellar.Being pumped to a crystal solution promotion jar interior saturated brine that removes salt cellar moves to tank deck cap shape structure, and then make saturated brine enter crystallizing evaporator, the heater circulatory system once more by the outflow of saturated brine refluxing opening, in time replenish the water level of multi-effect evaporator system, do not influence the material loading amount of the former water of saliferous.Simultaneously, be pumped to crystal solution except that salt cellar in the process of moving forward, realized sedimentation separation, crystal salt is heavy at the bottom of jar, and saturated brine moves to tank deck.Observe by visor, when jar intercrystalline mineralization after a certain amount of, stop to remove salt cellar and pump into crystal solution to this.Open the discharging valve door, make jar saturated brine of internal upper part remnants drench.Afterwards, open the crystal salt outlet, salt is dug out pack.
Scheme 3: crystallizing evaporator, desalination surge tank, crystal solution discharging pump and remove salt cellar and be connected successively.The desalination surge tank is installed in the crystallizing evaporator below, and the discharge nozzle of crystallizing evaporator is not more than 45 ° with following vertical direction angle.High dense crystal solution relies on potential difference, flows into the desalination surge tank by crystallizing evaporator under the gravity effect, by the rate of outflow of valve crystallization control liquid.By the visor observation or according to flow rate calculation, when surge tank intercrystalline liquid be accumulated to a certain amount of after, open and stir, in making jar part sedimentation salt and the saturated brine on upper strata mix, open discharging pump then, high dense crystal solution in the surge tank is once pumped into except that salt cellar, being pumped to a crystal solution promotion jar interior saturated brine that removes salt cellar moves to tank deck cap shape structure, and then make saturated brine enter crystallizing evaporator, the heater circulatory system once more by the outflow of saturated brine refluxing opening, reduce energy loss.Simultaneously, be pumped to crystal solution except that salt cellar in the process of moving forward, realized sedimentation separation, crystal salt is heavy at the bottom of jar, and saturated brine moves to tank deck.Observe by visor, when jar intercrystalline mineralization after a certain amount of, stop to remove salt cellar and pump into crystal solution to this.Open the discharging valve door, make jar saturated brine of internal upper part remnants drench.Afterwards, open the crystal salt outlet, salt is dug out pack.
Because demineralizer of the present utility model is to the improving of prior art, therefore compared with prior art excellent results is as follows:
1, efficiently solves the outer fouling plugging problem of multi-effect evaporation system.
2, solved the contradictory problems of crystal solution concentration and flow velocity, how do not taken turns the crystal solution rate of outflow, all can reclaim saturated brine with heat, end steam consumption falls.
Description of drawings
Fig. 1 is a multiple-effect evaporation demineralizer desalination surge tank structural representation; Wherein, 1 crystal solution inlet; 2 tank bodies; 3 visors; 4 agitators; The outlet of 5 crystal solution, 6 reductors.
Fig. 2 is a multiple-effect evaporation demineralizer desalination jar structure schematic diagram; Wherein 11 crystal solution enter the mouth; 12 saturated brine refluxing openings; 13 visors; The outlet of 14 crystal salt; 15 drains; 16 tank bodies
Fig. 3 is multiple-effect evaporation demineralizer embodiment 1 structural representation; Wherein, 1-6 is identical with Fig. 1; 20 heaters; 21 crystallizing evaporators; 22 forced circulation pumps; 23 crystal solution discharging pumps; 24 surge tanks and crystallizing evaporator vertical angle.
Fig. 4 is multiple-effect evaporation demineralizer embodiment 2 structural representations; Wherein 11-16 is identical with Fig. 2; 20-24 is identical with Fig. 3.
Fig. 5 is multiple-effect evaporation demineralizer embodiment 3 structural representations; Wherein 1-6 is identical with Fig. 1; 11-16 is identical with Fig. 2; Figure 20-24 is identical with Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing and example the utility model is further described:
Crystal solution discharging pump 23 pumps into crystal solution except that salt cellar 16 from crystal solution inlet 11.Being pumped to a crystal solution promotion jar interior saturated brine that removes salt cellar 16 moves to tank deck cap shape structure, and then make saturated brine enter crystallizing evaporator 21, heater 20 circulatory systems once more by 11 outflows of saturated brine refluxing opening, in time replenish the water level of multi-effect evaporator system, do not influence the material loading amount of the former water of saliferous.Simultaneously, be pumped to crystal solution except that salt cellar 16 in the process of moving forward, realized sedimentation separation, crystal salt is heavy at the bottom of jar, and saturated brine moves to tank deck.Observe by visor 13, when jar intercrystalline mineralization after a certain amount of, stop to remove salt cellar 16 and pump into crystal solution to this.Open drain 11 valves, make jar saturated brine of internal upper part remnants drench.Afterwards, open out crystal salt outlet 14, salt is dug out pack.
Claims (7)
1. multiple-effect evaporation crystal solution demineralizer comprises the desalination surge tank and removes salt cellar, and these two jars can use separately, the use of also can connecting.
2. multiple-effect evaporation crystal solution demineralizer according to claim 1, it is characterized in that described desalination surge tank is made up of tank body, reductor, sealing stirring, crystal solution inlet, crystal solution outlet and visor, the crystal solution inlet is positioned at the tank body top, visor is near the tank body top, and the crystal solution outlet is positioned at tank base.
3. multiple-effect evaporation crystal solution demineralizer according to claim 1 and 2 is characterized in that, the desalination surge tank is installed in the crystallizing evaporator below, and the discharge nozzle of crystallizing evaporator and vertical direction angle are not more than 45 °.
4. multiple-effect evaporation crystal solution demineralizer according to claim 1, it is characterized in that the described salt cellar that removes is made up of crystal solution inlet, saturated brine refluxing opening, crystal salt outlet, drain and visor, the saturated brine refluxing opening is positioned at except that on the salt cellar tank deck cap shape structure, the crystal solution inlet is positioned at the tank body upper portion side wall, drain is near tank base, visor is near the tank body top, and the crystal salt outlet is near tank base, and diameter is greater than 400mm.
5. multiple-effect evaporation crystal solution demineralizer according to claim 1, when it is characterized in that the desalination surge tank uses separately, crystallizing evaporator, desalination surge tank and crystal solution discharging pump are connected successively.
6. multiple-effect evaporation crystal solution demineralizer according to claim 1, when it is characterized in that removing salt cellar and using separately, crystallizing evaporator, crystal solution discharging pump and remove salt cellar and be connected successively.
7. multiple-effect evaporation crystal solution demineralizer according to claim 1, when it is characterized in that the series connection of two jars is used, crystallizing evaporator, desalination surge tank, crystal solution discharging pump and remove salt cellar and be connected successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200302788U CN201441835U (en) | 2009-08-06 | 2009-08-06 | Demineralizer for multi-effect evaporation crystallization liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200302788U CN201441835U (en) | 2009-08-06 | 2009-08-06 | Demineralizer for multi-effect evaporation crystallization liquid |
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| Publication Number | Publication Date |
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| CN201441835U true CN201441835U (en) | 2010-04-28 |
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| CN2009200302788U Expired - Fee Related CN201441835U (en) | 2009-08-06 | 2009-08-06 | Demineralizer for multi-effect evaporation crystallization liquid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062393A1 (en) * | 2013-10-28 | 2015-05-07 | 南通醋酸纤维有限公司 | Solid-liquid separation process with multi-effect evaporation in combination with stirring evaporation |
| CN106984057A (en) * | 2017-05-26 | 2017-07-28 | 江苏嘉泰蒸发设备股份有限公司 | A kind of forced-circulation evaporation crystallization apparatus with multiple-effect evaporation unit |
| CN107185266A (en) * | 2017-06-07 | 2017-09-22 | 合山锌业科技有限公司 | Secondary crystallization system |
| WO2019001571A1 (en) * | 2017-06-29 | 2019-01-03 | 合众高科（北京）环保技术股份有限公司 | Waste water treatment system with buffering device and waste water treatment method therefor |
-
2009
- 2009-08-06 CN CN2009200302788U patent/CN201441835U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062393A1 (en) * | 2013-10-28 | 2015-05-07 | 南通醋酸纤维有限公司 | Solid-liquid separation process with multi-effect evaporation in combination with stirring evaporation |
| CN106984057A (en) * | 2017-05-26 | 2017-07-28 | 江苏嘉泰蒸发设备股份有限公司 | A kind of forced-circulation evaporation crystallization apparatus with multiple-effect evaporation unit |
| CN107185266A (en) * | 2017-06-07 | 2017-09-22 | 合山锌业科技有限公司 | Secondary crystallization system |
| WO2019001571A1 (en) * | 2017-06-29 | 2019-01-03 | 合众高科（北京）环保技术股份有限公司 | Waste water treatment system with buffering device and waste water treatment method therefor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20180806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |