CN204841010U - Forced circulation's sodium sulphate evaporation crystallization device - Google Patents
Forced circulation's sodium sulphate evaporation crystallization device Download PDFInfo
- Publication number
- CN204841010U CN204841010U CN201520476325.7U CN201520476325U CN204841010U CN 204841010 U CN204841010 U CN 204841010U CN 201520476325 U CN201520476325 U CN 201520476325U CN 204841010 U CN204841010 U CN 204841010U
- Authority
- CN
- China
- Prior art keywords
- effect evaporation
- evaporation unit
- sodium sulphate
- forced circulation
- evaporation element
- 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.)
- Active
Links
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a forced circulation's sodium sulphate evaporation crystallization device, including the evaporation of the first effect that connects gradually unit, two -effect evaporation unit and triple effect evaporation unit, first effect evaporation unit connection steam input tube wherein, the triple effect evaporation unit is connected with the charging box, gaseous phase union coupling to the surface condenser of triple effect evaporation unit, the magma union coupling of two -effect evaporation unit arrives the stiff ware, and the stiff ware is connected to the centrifugal separator, all have interconnect's heat exchanger tube box and separator in first effect evaporation unit, two -effect evaporation unit and the triple effect evaporation unit, install the centrifugal pump on the connecting pipe between heat exchanger tube box and the separator. The utility model discloses a forced circulation's sodium sulphate evaporation crystallization device has advantages such as productivity height, the evaporation rate is fast, equipment is non -maintaining.
Description
Technical field
The utility model relates to a kind of evaporation separation equipment, is specifically related to a kind of sodium sulphate evaporated crystallization device of forced circulation.
Background technology
Evaporated crystallization device is widely used in the waste water treatment of the industries such as chemical industry, non-ferrous metal industry, pesticide industry, food service industry, pharmaceutical industry, the ammonia process of desulfurization, mine smelting, steel mill, oil field, by deepening pure environment protection treating, qualified discharge for environment protection treating, comprehensive utilization to the recovery of crystal in waste water.The crystallizations such as the ammonium chloride in waste water, potassium chloride, sodium sulphate are recycled.
Due to the characteristic of sodium sulphate material, mainly the solubility of sodium sulphate is larger by the variable effect of temperature, after evaporator evaporation discharging, concentration reaches capacity state or close to saturation state, conventional art enters equipment of crystallisation by cooling crystallisation by cooling, that is by decrease temperature crystalline, because the sodium sulphate saturated solution or solution concentration close to saturation state that enter equipment of crystallisation by cooling are lower, though through cooling, the crystal amount separated out is less, the solid sodium sulfate amount collected after centrifugation is less, after equipment of crystallisation by cooling, centrifugal mother liquor temperature has large decline, the centrifuge mother liquor of a large amount of low temperatures must come back to vapo(u)rization system, again heat energy is consumed, cause a large amount of wastes of heat energy.
The application is the improvement had applicant on patent ZL2014202822519 basis.Existing evaporation crystallization equipment is in order to avoid fouling and clogging, generally adopt the axial-flow pump of low lift, large discharge, become the bottleneck promoting evaporative crystallization speed, the sodium sulphate evaporated crystallization device developing a kind of forced circulation that applicable high concentration is run, evaporation rate is fast, productive rate is high has become technical problem urgently to be resolved hurrily.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides the sodium sulphate evaporated crystallization device of the forced circulation that a kind of productive rate is high, evaporation rate is fast.
Technical scheme: for solving the problems of the technologies described above, the sodium sulphate evaporated crystallization device of the forced circulation that the utility model provides, comprise the first effect evaporation element, the second effect evaporation element and the triple effect evaporation unit that connect successively, described first effect evaporation element connects steam input pipe, described triple effect evaporation unit is connected with charging spout, the gas phase pipe of described triple effect evaporation unit is connected to surface condenser, described surface condenser is provided with vavuum pump, and described surface condenser and cooling tower form cooling circuit; The magma pipe of described second effect evaporation element is connected to thickener, described thickener is connected to centrifuge, in described first effect evaporation element, the second effect evaporation element and triple effect evaporation unit, all there is interconnective heat exchanger bobbin carriage and separator, the tube connector between described heat exchanger bobbin carriage and separator is provided with centrifugal pump.
As preferably, consistent with evaporative crystallization speed in order to make mother liquor supplement speed, described mother liquor tank and second is imitated between evaporation element and is connected with centrifugal pump.
As preferably, in order to avoid the blocking of end socket when evaporation runs at a high speed, described heat exchanger bobbin carriage has flat bottom cover, has spaced deflection plate in described flat bottom cover, and the junction of described deflection plate and flat bottom cover is provided with U-shaped deflector.
As preferably, for the ease of being discharged by magma, convenient installation helix transporting device in a crystallizer, the entrance of described magma pipe is positioned at the bottom center of the second effect evaporation element.
Beneficial effect: the concentration of sodium sulphate in magma can be risen to more than 65% by the sodium sulphate evaporated crystallization device of forced circulation of the present utility model, the solid of more than 50% is collected after centrifugation, and utilize the centrifugal pump of large lift to improve the speed of service and the productive rate of evaporative crystallization, centrifugal mother liquor can enter little thickener again, sodium sulphate mother liquor is slightly done to lower the temperature, it is made to separate out more crystal, so need the centrifuge mother liquor coming back to vapo(u)rization system, not only amount is few, and temperature is higher, need the heat energy that again consumes also less, reach fully energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of heat exchanger bobbin carriage flat bottom cover in Fig. 1;
In figure: the first effect evaporation element 1, second imitates evaporation element 2, triple effect evaporation unit 3, surface condenser 4, charging spout 5, condensate storage 6, cooling tower 7, vavuum pump 8, centrifuge 9, mother liquor tank 10, first centrifugal pump 11, second centrifugal pump the 12, three centrifugal pump 13,4th centrifugal pump 14, heat exchanger bobbin carriage 15, flat bottom cover 16, deflection plate 17, U-shaped deflector 18, thickener 19.
Detailed description of the invention
Embodiment: the structure of the sodium sulphate evaporated crystallization device of the forced circulation that the utility model provides as shown in Figure 1, comprise the first effect evaporation element 1, second connected successively and imitate evaporation element 2 and triple effect evaporation unit 3, its design is first by adopting the mode of multiple-effect device to reach the object of saving steam, and each effect evaporation element inside all adopts circulating pump to carry out forced circulation, makes material have flow velocity and evaporation rate faster in systems in which.
Wherein the first effect evaporation element 1 connects steam input pipe, and after steam imitates the heater of evaporation element 2 and triple effect evaporation unit 3 by the first effect evaporation element 1, second successively, condensation is reclaimed, and temperature reduces successively.And triple effect evaporation unit 3 is connected with charging spout 5, the sewage of contains sodium sulfate imitates evaporation element 2 by triple effect evaporation unit 3, second successively and the first effect evaporation element 1 evaporates, contrary with the direction that steam inputs, and belongs to counter-current process.Be connected with the first centrifugal pump 11 between heat exchanger bobbin carriage in first effect evaporation element 1 and separator, form the forced circulation of its inside.The second centrifugal pump 12 is connected with, the heat exchanger bobbin carriage in triple effect evaporation unit 3 and be connected with the 3rd centrifugal pump 13 between separator between heat exchanger bobbin carriage in same second effect evaporation element 2 and separator.Second effect evaporation element 2 is connected to mother liquor tank 10 by the 4th centrifugal pump 14 again.The gas phase pipe of triple effect evaporation unit 3 is connected to surface condenser 4, surface condenser 4 is provided with vavuum pump 8, is reduced the boiling point of the medium that is condensed by the air pressure reduced in surface condenser 4.Surface condenser 4 and cooling tower 7 form cooling circuit, and cooling tower 7 passes into cooling circulating water (CWS).And the evaporation condensate Guan Jun of the second effect evaporation element 2, triple effect evaporation unit 3 and surface condenser 4 is connected to condensate storage 6, condensed fluid collection is discharged.
Have magma pipe in the bottom centre of the second effect evaporation element 2, magma pipe is connected to thickener 19, and the characteristic utilizing sodium sulphate solubility with temperature to change carries out decrease temperature crystalline to it.The porch of magma pipe is provided with helix transporting device, the crystallizer discharging opening preventing clogging up device that this helix transporting device is disclosed in granted patent ZL201320500070.4 before can selecting applicant, utilizes the thrust of giving with the spiral plate of its synchronous rotary bottom shaft and containing crystallized stock and advancing in the duct.
Mother liquor after thickener 19 crystallization outputs to centrifuge 9, the High Rotation Speed of centrifuge 9 makes solid salt (sulfate crystal) be separated with mother liquor and discharges from solid salt output, mother liquor after separated enters mother liquor tank 10, then be recycled pump to drive, the second effect evaporation element 2 can be got back to heat, also directly can enter thickener 19 decrease temperature crystalline again.
As shown in Figure 2, the top of heat exchanger bobbin carriage 15 has the flat bottom cover 16 be connected with charging aperture and discharging opening, deflection plate 17 is welded with in flat bottom cover 16, deflection plate 17 is vertical rectangular slab, its dual-side connects with the vertical inner wall of heat exchanger bobbin carriage 15, its top margin connects with flat bottom cover 16, and its base connects with tube sheet.Heat exchanger bobbin carriage 15 is divided into independently chamber by deflection plate 17, and the top in each chamber is fixed with U-shaped deflection plate 18.
Through using checking, the concentration of sodium sulphate in magma can be risen to more than 65% by the sodium sulphate evaporated crystallization device of forced circulation of the present utility model, the crystal of wherein more than 50% is collected after centrifugation, after centrifugal mother liquor enters thickener again, sodium sulphate mother liquor is slightly done to lower the temperature and just can separate out more crystal, need the amount of the centrifuge mother liquor again getting back to vapo(u)rization system just corresponding less like this, and its temperature also corresponding raising compared to existing technology, so need heat energy (raw steam) the also just corresponding minimizing again consumed, improve the utilization rate of steam, also fully energy-conservation object is just reached.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (3)
1. the sodium sulphate evaporated crystallization device of a forced circulation, comprise the first effect evaporation element connected successively, second effect evaporation element and triple effect evaporation unit, described first effect evaporation element connects steam input pipe, described triple effect evaporation unit is connected with charging spout, the gas phase pipe of described triple effect evaporation unit is connected to surface condenser, the magma pipe of described second effect evaporation element is connected to thickener, described thickener is connected to centrifuge, it is characterized in that: described first effect evaporation element, in second effect evaporation element and triple effect evaporation unit, all there is interconnective heat exchanger bobbin carriage and separator, tube connector between described heat exchanger bobbin carriage and separator is provided with centrifugal pump.
2. the sodium sulphate evaporated crystallization device of forced circulation according to claim 1, it is characterized in that: described heat exchanger bobbin carriage has flat bottom cover, have spaced deflection plate in described flat bottom cover, the junction of described deflection plate and flat bottom cover is provided with U-shaped deflector.
3. the sodium sulphate evaporated crystallization device of forced circulation according to claim 1, is characterized in that: the entrance of described magma pipe is positioned at the bottom center of the second effect evaporation element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476325.7U CN204841010U (en) | 2015-06-30 | 2015-06-30 | Forced circulation's sodium sulphate evaporation crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476325.7U CN204841010U (en) | 2015-06-30 | 2015-06-30 | Forced circulation's sodium sulphate evaporation crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204841010U true CN204841010U (en) | 2015-12-09 |
Family
ID=54731609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476325.7U Active CN204841010U (en) | 2015-06-30 | 2015-06-30 | Forced circulation's sodium sulphate evaporation crystallization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204841010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110183017A (en) * | 2019-05-10 | 2019-08-30 | 江苏华晖环保科技有限公司 | A kind of multiple-effect evaporation technique of strong brine zero-emission |
-
2015
- 2015-06-30 CN CN201520476325.7U patent/CN204841010U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110183017A (en) * | 2019-05-10 | 2019-08-30 | 江苏华晖环保科技有限公司 | A kind of multiple-effect evaporation technique of strong brine zero-emission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106007133B (en) | A kind of desulfurization wastewater concentration and evaporation, crystallization, salt separating technology | |
| CN103466736B (en) | A kind of circulating treating system of high-concentration salt-containing wastewater and technique | |
| CN203355317U (en) | Four-effect crystallizing evaporator | |
| CN204034294U (en) | The board-like forced-circulation evaporator of novel triple effect | |
| CN205549631U (en) | High enriched salt effluent treatment plant of coal industry | |
| CN104445306B (en) | Manufacture the apparatus and method of magnesium sulfate | |
| CN103394206B (en) | High-efficiency energy-saving hydrochloric acid pickling waste liquor triple-effect negative-pressure graphite evaporation crystallizer | |
| CN104211130A (en) | Low-temperature evaporation, concentration and crystallization system and method using waste heat | |
| CN204996159U (en) | Forced circulation's sodium chloride evaporation crystallization device | |
| CN203959976U (en) | Strong brine function of mechanical steam recompression evaporation and crystallization system | |
| CN203436836U (en) | Efficient and energy-saving type three-effect negative-pressure graphite evaporative crystallization device of hydrochloric acid pickling waste liquid | |
| CN113880115A (en) | Production method for separating and refining waste miscellaneous salt containing sodium chloride and sodium sulfate | |
| CN204841010U (en) | Forced circulation's sodium sulphate evaporation crystallization device | |
| CN104016383A (en) | Sodium sulfate evaporation crystallization device | |
| CN104014143A (en) | Multiple-effect evaporation system steam condensation water heat energy reutilizationoun device | |
| CN204841011U (en) | Forced circulation's ammonium sulfate evaporation crystallization device | |
| CN201244378Y (en) | High-efficient continuous evaporated crystallizer | |
| CN203935631U (en) | Multi-effect evaporation system steam condensate (SC) heat energy recycling device | |
| CN201253500Y (en) | Crystal separator | |
| CN203545715U (en) | Circular treatment system of high-concentration brine waste | |
| CN108568133A (en) | A kind of anhydrous sodium sulphate evaporated crystallization device | |
| CN207785992U (en) | A kind of bronze production Oslo-type crystallizing evaporator | |
| CN110228888A (en) | A kind of flying dust water lotion k-na salt sub-prime purification system and method | |
| CN203935630U (en) | Multi-effect evaporation system evaporation condensed water heat energy recycling device | |
| CN104014144A (en) | Multiple-effect evaporation system evaporation condensation water heat energy reutilizationoun device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211218 Lishui City, Jiangsu province and Phoenix Industrial Park, No. 8, No. Patentee after: Jiangsu Jiatai evaporation equipment Limited by Share Ltd Address before: 211218 Lishui City, Jiangsu province and Phoenix Industrial Park, No. 8, No. Patentee before: Jiangsu Jiatai Evaporation Crystallization Equipment Co., Ltd. |