CN203582508U - Improved sodium chloride recycling crystallization device - Google Patents
Improved sodium chloride recycling crystallization device Download PDFInfo
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- CN203582508U CN203582508U CN201320836021.8U CN201320836021U CN203582508U CN 203582508 U CN203582508 U CN 203582508U CN 201320836021 U CN201320836021 U CN 201320836021U CN 203582508 U CN203582508 U CN 203582508U
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- sodium
- sodium chloride
- chlor
- outlet
- separation chamber
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Abstract
The utility model discloses an improved sodium chloride recycling crystallization device, which uses a circulating pump to drive sodium chloride solution to be processed into a heat exchanger, exchanges heat in the heat exchanger to increase temperature, the sodium chloride solution after being heated is sprayed into an evaporation chamber to evaporate and concentrate, and enter a crystallization separation chamber from the bottom portion of the evaporation chamber after being evaporated and concentrated, and separates out sodium chloride through cooling process, water steam produced by evaporating and concentrating is pressed into an external heating sleeve of the evaporation chamber through a steam compressor, heats the evaporation chamber, gas difficult to discharge is discharged by adopting a vacuum system, and a waterproof plate and a deforming plate are arranged on the top portion of the evaporation chamber, and prevent bubbles from entering the vacuum system and the steam compressor. The improved sodium chloride recycling crystallization device reduces operation cost by recycling steam, reduce environment pollution, effectively prevents residual organic matters in the sodium chloride solution from entering the vacuum system and the steam compressor by arranging the deforming plate on the top portion of the evaporation chamber, and prolongs service life.
Description
Technical field
The utility model relates to sodium-chlor crystallization technique field, is specifically related to a kind of improved sodium-chlor and reclaims crystallization apparatus.
Background technology
Preparing silicon sol has different approach, and the most frequently used method has ion exchange method, silica flour one one-step hydrolysis method, electroosmose process etc.In the factory effluent of ion exchange method production silicon sol, contain a large amount of sodium-chlor, domesticly never have cost-effective method and reclaim, directly enter waste water treatment plant or after neutralization precipitation, enter attached water body, all can seriously jeopardize the normal operation of Sewage Plant and pollute the water surrounding of Its Adjacent Waters.
Sodium-chlor after recovery is a kind of industrial chemicals of basis, can be widely used in the industries such as chemical industry, material, weaving, printing and dyeing, if sodium chloride content height also can cause the wasting of resources in waste water.Therefore the sodium-chlor that how effectively to reclaim silicon sol factory effluent is the problem that needs solution.
Publication number is the utility application of CN203095629U, discloses a kind of sodium-chlor and has reclaimed crystallization apparatus, and this device, comprises sodium chloride solution storage tank, recycle pump, interchanger, evaporator room, Crystallization Separation chamber, vapour compressor and water of condensation storage tank.During use, the sodium chloride solution of processing to be concentrated is contained in described sodium chloride solution storage tank, squeezes into the tube side of interchanger by recycle pump, in interchanger with shell side in steam heat-exchanging with improve temperature, the sodium chloride solution after intensification sprays in evaporator room.In evaporator room, a part of water is with the top exit of vapor form effusion evaporator room, the sodium chloride solution that another part concentration improves enters Crystallization Separation chamber by the outlet at bottom of evaporator room, in Crystallization Separation room temp, reduce, have partial oxidation sodium crystallization, the sodium-chlor of this part crystallization is by the bottom discharge mouth discharge of Crystallization Separation chamber.In order to utilize and reclaim the steam of the top exit of effusion evaporator room, this part steam is compressed to intensification by vapour compressor, then enter the shell side of interchanger for heating the sodium chloride solution from sodium chloride solution storage tank.
This device by the heating concentration and recovery sodium-chlor that adopts more, by recycling, heating the steam producing in concentration process heats, reduced running cost, and further adopt vacuum system, the steam producing in heating concentration process is discharged and adopted evaporator room, accelerate the speed of evaporation concentration, by supporting Controlling System, can realize unattended operation, operation, safe and reliable continuously.
But also there is following problem in this device: owing to can remainingly having a small amount of organism in silicon sol production process, when heating concentrates, easily produce and contain organic bubble, this bubble enters in vacuum apparatus and easily causes vacuum apparatus to pollute, and extremely difficult cleaning.
Summary of the invention
The utility model provides a kind of improved sodium-chlor to reclaim crystallization apparatus, and this sodium-chlor reclaims crystallization apparatus can reduce consumption, and treatment effect is good, and can effectively prevent that foaming from entering vacuum apparatus, can replace existing heating, concentrating unit.
A kind of improved sodium-chlor reclaims crystallization apparatus, comprises sodium chloride solution storage tank, recycle pump, interchanger, evaporator room, Crystallization Separation chamber, vacuum system, vapour compressor and water of condensation storage tank, the outer heating jacket that is arranged with of described sodium chloride solution storage tank;
The outlet of described sodium chloride solution storage tank connects the entrance of described recycle pump, circulation pump outlet connects the tube side entrance of described interchanger, the tube side outlet of described interchanger connects the sidewall feeding mouth of described evaporator room, the outlet at bottom of described evaporator room is communicated with described Crystallization Separation chamber, and described Crystallization Separation chamber has bottom discharge mouth;
The top of described evaporator room is provided with two outlets, an outlet is communicated to described vacuum system, another outlet is communicated with the entrance of described vapour compressor, the outlet of described vapour compressor is communicated with the shell side entrance of described interchanger, the shell side outlet of described interchanger is communicated with the entrance of described heating jacket, and the outlet of described heating jacket is communicated with described water of condensation storage tank;
The top of described evaporator room is provided with water eliminator and de-bubble plate from top to bottom successively;
Water eliminator is the some stainless (steel) wires of closely arranging;
De-bubble plate is provided with some pores, and the inner edge of each pore is provided with the spine of downward bending.
When the utility model sodium-chlor reclaims crystallization apparatus use, the sodium chloride solution of processing to be concentrated is contained in described sodium chloride solution storage tank, by recycle pump, squeeze into the tube side of interchanger, in interchanger with shell side in steam heat-exchanging with improve temperature, the sodium chloride solution after intensification sprays in evaporator room.
In evaporator room, a part of water is overflowed from the top of evaporator room with vapor form, the sodium chloride solution that another part concentration improves enters Crystallization Separation chamber by the outlet at bottom of evaporator room, in Crystallization Separation room temp, reduce, have partial oxidation sodium crystallization, the sodium-chlor of this part crystallization is by the bottom discharge mouth discharge of Crystallization Separation chamber.In the present invention, for guaranteeing, fast water vapour is discharged, adopt vacuum system to extract water vapour out evaporator room.The gas that is difficult to compression can also be discharged in addition, improve the working efficiency of vapour compressor.
In order to utilize and reclaim the steam of the top exit of effusion evaporator room, this part steam is compressed to intensification by vapour compressor, then enter the shell side of interchanger for heating the sodium chloride solution from sodium chloride solution storage tank.
For fear of sodium chloride solution and bubble, enter vapour compressor and vacuum system, guaranteed that vapour compressor and vacuum system normally work, water eliminator and de-bubble plate are set, can prevent that sodium chloride solution and bubble from entering vapour compressor and vacuum system.On de-bubble plate, several inner edges are provided with the pore of the spine of downward bending, and spine can effectively be poked bubble.
For what continue, to whole system, provide heat energy, as preferably, the periphery of described evaporator room is with heating jacket.In heating jacket, can pass through steam, the forms such as deep fat or electrically heated, can further improve the steam output in evaporator room, guarantee concentrated effect.
When heating is concentrated, the water vapour of generation first could be discharged through de-bubble plate, if the pore therefore on de-bubble plate is too little, causes the water vapour velocity of discharge excessively slow, and thickening efficiency is heated in impact, and too large, bubble has directly passed through again, can not play the effect of removal bubble.While therefore pore opening being set, need to take into account and remove bubble and two factors of exhaust, to the shape of pore without particular requirement.As preferably, described pore is circular hole, and diameter is 0.5～3cm.
Bubble ascent direction not necessarily clock keeps vertically upward, and in order to poke more bubbles as far as possible, the described spine downwards angle of bending is 45～60 degree.
As preferably, the length of described spine is 0.2～0.5 times of place hole diameter.
Each pore inner edge is evenly distributed with 2～8 spines.
Described sodium-chlor reclaims crystallization apparatus and is also provided with scraper centrifugal machine, and the bottom discharge mouth of described Crystallization Separation chamber is connected with the feeding mouth of scraper centrifugal machine.At regular intervals, the bottom discharge mouth automatic discharging of Crystallization Separation chamber, emits the sodium chloride crystal of separating out, and scraper centrifugal machine can receive material automatic centrifugation, discharging, is convenient to improve level of automation and produces continuously.
The outlet at bottom of described evaporator room is tubulose, inserts and extend to the bottom of Crystallization Separation chamber.The bottom that can make directly to enter through concentrated sodium chloride solution in evaporator room Crystallization Separation chamber is set like this, and material-heat-exchanging that can also be indoor with Crystallization Separation in flow process, improves crystallization amount, has also improved the recycled in its entirety rate of sodium-chlor.
The bottom of described Crystallization Separation chamber is provided with whipping appts.Concentrated sodium chloride solution directly enters the bottom of Crystallization Separation chamber, can cause the relative concentration Crystallization Separation chamber of bottom sodium-chlor of Crystallization Separation chamber high, easier precipitated sodium chloride crystal, and Crystallization Separation chamber just emits the crystal of separating out at regular intervals, may cause like this material outlet of the bottom of Crystallization Separation chamber to stop up.Therefore, whipping appts is set and stirs, make to a certain extent the sodium chloride concentration of Crystallization Separation chamber be consistent, avoid bottom to separate out a large amount of sodium chloride crystals.
The shell side outlet of described interchanger is communicated with water of condensation storage tank by trap.When water is discharged in the shell side outlet of interchanger, can take away the water vapour that a part contains heat and discharge, therefore arrange by trap and carry out gas-liquid separation, prevent that the water vapour with heat from directly draining, further improve capacity usage ratio, reduce energy consumption.
The sidewall of described Crystallization Separation chamber is provided with overflow port, and this overflow port is communicated with the entrance of described recycle pump.Because evaporator room can be successively to Crystallization Separation chamber convey materials, in order to realize the balance of material and to produce continuously, the indoor unnecessary material of Crystallization Separation can flow out from overflow port, through recycle pump, again enters interchanger heating, then returns to evaporator room again.
The utility model, low with traditional sodium-chlor recovery crystallization apparatus phase specific energy consumption, by steam, reuse and reduce running cost, reduce environmental pollution, at the top of evaporator room, de-bubble plate is set, effectively avoided remaining organism in sodium chloride solution to enter vacuum system or compressor, guaranteed that vapour compressor and vacuum system normally work, extension device work-ing life.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model sodium-chlor reclaims crystallization apparatus.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is elaborated.
A kind of improved sodium-chlor reclaims crystallization apparatus, as shown in Figure 1, comprise sodium chloride solution storage tank 9, recycle pump 6, interchanger 3, evaporator room 2, Crystallization Separation chamber 4, vacuum system 10, vapour compressor 1 and water of condensation storage tank 7, the outer heating jacket 11 that is arranged with of sodium chloride solution storage tank 9;
The outlet of sodium chloride solution storage tank 9 connects the entrance of recycle pump 6, the outlet of recycle pump 6 connects the tube side entrance of interchanger 3, the tube side outlet of interchanger 3 connects the sidewall feeding mouth of evaporator room 2, and the outlet at bottom of evaporator room 2 is communicated with Crystallization Separation chamber 4, and Crystallization Separation chamber 4 has bottom discharge mouth;
The top of evaporator room 2 is provided with two outlets, an outlet is communicated to vacuum system 10, another outlet is communicated with the entrance of vapour compressor 1, the outlet of vapour compressor 1 is communicated with the shell side entrance of interchanger 3, the shell side outlet of interchanger 3 is communicated with the entrance of heating jacket 11 by trap 5, the outlet of heating jacket 11 is communicated with water of condensation storage tank 7;
The top of evaporator room 2 is provided with water eliminator 13 and de-bubble plate 14 from top to bottom successively;
The some slice stainless (steel) wires of water eliminator 11 for closely arranging;
De-bubble plate 14 is provided with some pores, and the inner edge of each pore is provided with the spine of downward bending.
In the present embodiment, the mesh of the stainless (steel) wire of water eliminator 11 is shaped as rhombus, rhombus length of side 0.5mm.The corrosion of stainless steel salt water resistance, and there is higher physical strength.
In the present embodiment, the pore of de-bubble plate 14 is circular hole, and diameter is 2cm.Each pore inner edge is evenly distributed with 6 spines.The spine downwards angle of bending is 50 degree.The length of spine is 0.4 times (length that is spine is 0.8cm) of place hole diameter.
For what continue, to whole system, provide heat energy, the periphery of evaporator room 2, with heating jacket 12, is passed through in heating jacket in the present embodiment to adopt vapor form, can further improve the steam output in evaporator room, guarantees concentrated effect.
The bottom discharge mouth of Crystallization Separation chamber 4 also connects the feeding mouth of scraper centrifugal machine 8, and scraper centrifugal machine 8 can receive material automatic centrifugation, discharging, is convenient to improve level of automation and produces continuously.
The outlet at bottom of evaporator room 2 is tubulose, inserts and extend to the bottom of Crystallization Separation chamber 4, and the sidewall of Crystallization Separation chamber 4 is provided with overflow port, and this overflow port is communicated with the entrance of recycle pump 3.
Even for preventing the density unevenness of Crystallization Separation chamber 4, the bottom of Crystallization Separation chamber 4 is provided with whipping appts 15.
When the utility model sodium-chlor reclaims crystallization apparatus use, the sodium chloride solution of processing to be concentrated is contained in sodium chloride solution storage tank 9, by the first recycle pump 16, enter pre-mixing groove 17, the tube side of interchanger 3 squeezed into the sodium chloride solution in pre-mixing groove 17 by the second recycle pump 6 again, steam heat-exchanging in interchanger 3 and in shell side is to improve temperature, and the sodium chloride solution after intensification sprays in evaporator room 2.
In evaporator room 2, a part of water is taken away by vacuum system from the top exit of evaporator room 2 with vapor form, another part enters vapour compressor 1 and compresses intensification, then enters the shell side of interchanger 3 for heating the sodium chloride solution from sodium chloride solution storage tank 9.
The sodium chloride solution that another part concentration improves enters Crystallization Separation chamber 4 by the outlet at bottom of evaporator room 2, in Crystallization Separation chamber 4, interior temperature reduces, have partial oxidation sodium crystallization, the sodium-chlor of this part crystallization enters scraper centrifugal machine 8 by the bottom discharge mouth discharge of Crystallization Separation chamber 4 and carries out subsequent disposal.
Because evaporator room 2 can be successively to Crystallization Separation chamber 4 convey materials, in order to realize the balance of material and to produce continuously, the interior unnecessary material in Crystallization Separation chamber 2 can flow out into pre-mixing groove 17 from overflow port, by the second recycle pump 6, again enter interchanger 3 and heat, then return to again evaporator room.
The foregoing is only better implementation example of the present utility model, be not limited to the utility model, all within the utility model spirit and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. improved sodium-chlor reclaims a crystallization apparatus, comprises sodium chloride solution storage tank, recycle pump, interchanger, evaporator room, Crystallization Separation chamber, vacuum system, vapour compressor and water of condensation storage tank,
The outlet of described sodium chloride solution storage tank connects the entrance of described recycle pump, circulation pump outlet connects the tube side entrance of described interchanger, the tube side outlet of described interchanger connects the sidewall feeding mouth of described evaporator room, the outlet at bottom of described evaporator room is communicated with described Crystallization Separation chamber, and described Crystallization Separation chamber has bottom discharge mouth;
The top of described evaporator room is provided with two outlets, and an outlet is communicated to described vacuum system, and another outlet is communicated with the entrance of described vapour compressor, and the outlet of described vapour compressor is communicated with the shell side entrance of described interchanger,
It is characterized in that, the outer heating jacket that is arranged with of described sodium chloride solution storage tank, the shell side outlet of described interchanger is communicated with the entrance of described heating jacket, and the outlet of described heating jacket is communicated with described water of condensation storage tank;
The top of described evaporator room is provided with water eliminator and de-bubble plate from top to bottom successively, and described water eliminator is the some stainless (steel) wires of closely arranging; Described de-bubble plate is provided with some pores, and the inner edge of each pore is provided with the spine of downward bending.
2. sodium-chlor as claimed in claim 1 reclaims crystallization apparatus, it is characterized in that, described pore is circular hole, and diameter is 0.5～3cm.
3. sodium-chlor as claimed in claim 2 reclaims crystallization apparatus, it is characterized in that, the described spine downwards angle of bending is 45～60 degree.
4. sodium-chlor as claimed in claim 3 reclaims crystallization apparatus, it is characterized in that, the length of described spine is 0.2～0.5 times of place hole diameter.
5. sodium-chlor as claimed in claim 4 reclaims crystallization apparatus, it is characterized in that, each pore inner edge is evenly distributed with 2～8 spines.
6. sodium-chlor as claimed in claim 5 reclaims crystallization apparatus, it is characterized in that, the outlet at bottom of described evaporator room is tubulose, inserts and extend to the bottom of Crystallization Separation chamber.
7. sodium-chlor as claimed in claim 6 reclaims crystallization apparatus, it is characterized in that, the bottom of described Crystallization Separation chamber is provided with whipping appts.
8. sodium-chlor as claimed in claim 7 reclaims crystallization apparatus, it is characterized in that, the shell side outlet of described interchanger is communicated with water of condensation storage tank by trap.
9. sodium-chlor as claimed in claim 8 reclaims crystallization apparatus, it is characterized in that, be also provided with scraper centrifugal machine, the bottom discharge mouth of described Crystallization Separation chamber is connected with the feeding mouth of scraper centrifugal machine.
10. sodium-chlor as claimed in claim 9 reclaims crystallization apparatus, it is characterized in that, the sidewall of described Crystallization Separation chamber is provided with overflow port, and this overflow port is communicated with the entrance of described recycle pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836021.8U CN203582508U (en) | 2013-12-17 | 2013-12-17 | Improved sodium chloride recycling crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836021.8U CN203582508U (en) | 2013-12-17 | 2013-12-17 | Improved sodium chloride recycling crystallization device |
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| Publication Number | Publication Date |
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| CN203582508U true CN203582508U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320836021.8U Expired - Fee Related CN203582508U (en) | 2013-12-17 | 2013-12-17 | Improved sodium chloride recycling crystallization device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422379A (en) * | 2016-10-28 | 2017-02-22 | 浙江惠光生化有限公司 | A vacuum system capable of using heat generated by concentrated tail gas |
| CN107982944A (en) * | 2017-12-28 | 2018-05-04 | 天津普恒康泰科技有限公司 | A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat |
| CN110201414A (en) * | 2019-05-14 | 2019-09-06 | 惠纯科技(浙江)有限公司 | A kind of energy-efficient sodium chloride concentration and crystallization device |
-
2013
- 2013-12-17 CN CN201320836021.8U patent/CN203582508U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422379A (en) * | 2016-10-28 | 2017-02-22 | 浙江惠光生化有限公司 | A vacuum system capable of using heat generated by concentrated tail gas |
| CN107982944A (en) * | 2017-12-28 | 2018-05-04 | 天津普恒康泰科技有限公司 | A kind of evaporated crystallization device for preventing discharge blockage, efficiently turning heat |
| CN110201414A (en) * | 2019-05-14 | 2019-09-06 | 惠纯科技(浙江)有限公司 | A kind of energy-efficient sodium chloride concentration and crystallization device |
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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: 20140507 Termination date: 20171217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |