CN207371123U - A kind of soda manufacture MVR vaporising devices - Google Patents
A kind of soda manufacture MVR vaporising devices Download PDFInfo
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- CN207371123U CN207371123U CN201721410361.9U CN201721410361U CN207371123U CN 207371123 U CN207371123 U CN 207371123U CN 201721410361 U CN201721410361 U CN 201721410361U CN 207371123 U CN207371123 U CN 207371123U
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Abstract
The utility model discloses a kind of soda manufacture MVR vaporising devices, including preheater, heater, evaporator and compression fan；The evaporator connects the material liquid outlet of preheater by pipeline respectively, compression fan and heater, the evaporator internal upper part is separation chamber, middle part is vaporization chamber, lower part is crystallisation chamber, steam (vapor) outlet is provided at the top of the separation chamber, the steam (vapor) outlet is connected by pipeline with compression fan and heater tube-side inlet successively, the vaporization chamber top layer is provided with helicoidal stream pipe, and multiple U-tubes are evenly arranged in vaporization chamber vertically, the U-tube nozzle is connected with helicoidal stream pipe, the vaporization chamber one side is provided with steam inlet, the helicoidal stream pipe one end open is wanted to connect with steam inlet, another end opening of helicoidal stream pipe is in closed state, the steam inlet is connected by pipeline and the outlet of heater tube side.
Description
Technical field
The utility model is related to soda manufacture vaporising device technical fields, relate particularly to a kind of soda manufacture MVR
Vaporising device.
Background technology
The production of soda ash generally has two class methods, and one kind is as raw material, using union soda and ammonia-soda process using sodium chloride
Production standard soda ash, another kind of is that a sodium sulphate (saltcake, anhydrous sodium sulphate) does raw material to produce soda ash；It is no matter last with which kind of method
It is required for being evaporated condensing crystallizing to product.And the condensing crystallizing of solution is mostly realized using industrial steam, traditional steam side
Formula high energy consumption, steam consumption is big, and production cost is high, such as to the concentrate being preheated, does not evaporate 1t water, single-action concentration needs to consume
Steam 1.2t or so, economic benefits and social benefits concentration need to consume steam 700Kg, and triple effect concentration need to consume steam 400Kg or so.
MVR evaporators, the abbreviation of function of mechanical steam recompression, be by the use of itself generate indirect steam as heat steam,
Evaporator operation process is that the steam of low temperature position is compressed through compressor, and temperature, pressure improve, and heat content increases, subsequently into evaporation
It exchanges heat in tank, in addition to starting to start, entire evaporation process is without raw steam.Evaporate similary 1t water, it is only necessary to 25 degree of power consumption, greatly
The energy has been saved greatly, and has improved evaporation efficiency.But the evaporator of existing vaporising device is mostly interior into material liquid, pipe using pipe
It is outer that material is evaporated for the mode of steam, in-tube fouling is so be easy to cause, dirt easily influences evaporation efficiency and production in pipe
The quality of product；Not easy cleaning, and the situation in pipe after cleaning is not also seen during cleaning, if often replacing pipeline improves life again
Produce cost.
Utility model content
The purpose of this utility model is to provide a kind of soda manufacture MVR vaporising devices, have solved to steam in the prior art
The technical issues of dirt being also easy to produce in hair tank in heat exchanger tube and not allowing easy cleaning.
The utility model specifically uses following technical scheme to achieve these goals：
A kind of soda manufacture MVR vaporising devices, including preheater, heater, evaporator and compression fan；The steaming
Hair tank connects material liquid outlet, compression fan and the heater of preheater by pipeline respectively, and the evaporator internal upper part is point
From room, middle part be vaporization chamber, lower part is crystallisation chamber, is provided with steam (vapor) outlet at the top of the separation chamber, the steam (vapor) outlet passes through
Pipeline is connected successively with compression fan and heater tube-side inlet, and the vaporization chamber top layer is provided with helicoidal stream pipe, and evaporates
Interior is evenly arranged with multiple U-tubes vertically, and the U-tube nozzle is connected with helicoidal stream pipe, and the vaporization chamber one side is set
There is steam inlet, the helicoidal stream pipe one end open is wanted to connect with steam inlet, and another end opening of helicoidal stream pipe is in closing
State, the steam inlet are connected by pipeline and the outlet of heater tube side.
Preferably, the vaporization chamber side is provided with first entrance, the original that the first entrance passes through pipeline and preheater
Material liquid outlet is connected.Be conducive to the material liquid by preheating and enter vaporization chamber to be evaporated concentration.
Preferably, the crystallisation chamber bottom is provided with products export.There is the product discharge after crystallization.
Preferably, the crystallisation chamber side is provided with disposing mother liquor mouth, and the disposing mother liquor mouth is entered by pipeline and first
Mouth connection, and it is connected with discharging pump between disposing mother liquor mouth and first entrance.Except there is crystalline product to also have part not after crystallization
The mother liquor of crystallization is so conducive to the mother liquor after crystallization to draw back vaporization chamber and continues to be concentrated by evaporation, avoids the waste of mother liquor.
Preferably, the preheater top is provided with material liquid entrance.Be conducive to material liquid and enter preheater to be preheated.
The beneficial effects of the utility model are as follows：
1. the utility model uses MVR evaporation equipments, using the indirect steam that itself is generated to heat needed for concentrate offer
Amount, more energy-saving, vaporization chamber is abolished traditional using, into material liquid, pipe is outer to steam material for the mode of steam in pipe
Hair so that the difficult cleaning of easy fouling in pipe, and concentrate uneven heating is even during evaporation and concentration, the setting of the utility model vaporization chamber is adopted
With, into steam, concentrate is outside pipe in U-tube, so that concentrate is heated evenly, and heating surface area is big, and evaporation efficiency is high,
Also the problem of avoiding in-tube fouling hardly possible cleaning.
2. the setting of separation chamber and crystallisation chamber reduces the floor space of equipment in evaporator, structure setting is ingenious, and subtracts
Lack the time of the condensing crystallizing process, improve condensing crystallizing efficiency.
Description of the drawings
Fig. 1 is MVR vaporising device structure diagrams；
Fig. 2 is vaporization chamber partial enlarged view；
Fig. 3 is helicoidal stream pipe top view；
In figure mark for：1 preheating can, 2 heaters, 3 evaporators, 4 material liquid entrances, the outlet of 5 material liquids, 6 first entrances,
7 steam (vapor) outlets, 8 steam inlets, 9 products exports, 10 disposing mother liquor mouths, 11 compression fans, 12 discharging pumps, 301 separation chambers, 302
Vaporization chamber, 303 crystallisation chambers, 312 helicoidal stream pipes, 322U shape pipes.
Specific embodiment
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
Embodiment 1
A kind of soda manufacture MVR vaporising devices, including preheater 1, heater 2, evaporator 3 and compression fan 11；
The evaporator 3 connects material liquid outlet 5, compression fan 11 and the heater 2 of preheater 1, the evaporation by pipeline respectively
3 internal upper part of tank is separation chamber 301, middle part is vaporization chamber 302, lower part is crystallisation chamber 303, and 301 top of separation chamber is provided with
Steam (vapor) outlet 7, the steam (vapor) outlet 7 are connected by pipeline with compression fan 11 and 2 tube-side inlet of heater successively, the evaporation
302 top layer of room is provided with helicoidal stream pipe 312, and is evenly arranged with multiple U-tubes 322, the U-shaped in vaporization chamber 302 vertically
322 nozzle of pipe is connected with helicoidal stream pipe 312, and 302 one side of vaporization chamber is provided with steam inlet 8, the helicoidal stream pipe
312 one end opens are wanted to connect with steam inlet 8, and 312 another end opening of helicoidal stream pipe is in closed state, the steam inlet 8
It is connected by pipeline and the outlet of 2 tube side of heater.
Vaporization chamber side is provided with first entrance 6, and first entrance 6 exports 5 phases by the material liquid of pipeline and preheater 1
Even.
303 bottom of crystallisation chamber is provided with products export 9.
1 top of preheater is provided with material liquid entrance 4.
Operation principle：The material liquid of required concentration enters preheater 1 from material liquid entrance 4, is preheated in preheater 1, so
Enter afterwards in the vaporization chamber 302 of evaporator 3 and be evaporated concentration, the steam generated in evaporating concentration process enters separation chamber 301
In separator carry out gas-liquid separation, after compressed 11 compression of the wind turbine processing of indirect steam after separation, then pass through steam inlet 8
Into helicoidal stream pipe 312, every U-tube 322 is then uniformly entered, provides thermal energy for material liquid, the material liquid after concentration
It into crystallisation chamber 303, is crystallized in crystallisation chamber 303, the product after crystallization is removed from products export 9.
The setting of vaporization chamber is using U-tube structure into steam, and concentrate is outside pipe, so that and concentrate is heated evenly,
And heating surface area is big, evaporation efficiency is high, also avoids the problem of in-tube fouling hardly possible is cleaned.
Embodiment 2
A kind of soda manufacture MVR vaporising devices in embodiment 1, in the present embodiment, 303 side of crystallisation chamber
Face is provided with disposing mother liquor mouth 10, and the disposing mother liquor mouth 10 is connected by pipeline with first entrance 6, and disposing mother liquor mouth 10 with
Discharging pump 12 is connected between first entrance 6.It is so favourable except there is crystalline product to also have the uncrystallized mother liquor in part after crystallization
Continue to be concentrated by evaporation in the mother liquor after crystallization is drawn back vaporization chamber 302, avoid the waste of mother liquor.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, what every specification and accompanying drawing content with the utility model was made is equal
Structure change similarly should be included in the scope of protection of the utility model.
Claims (5)
1. a kind of soda manufacture MVR vaporising devices, including preheater (1), heater (2), evaporator (3) and compression fan
(11)；The evaporator (3) connects material liquid outlet (5), compression fan (11) and the heating of preheater (1) by pipeline respectively
Device (2), it is characterised in that：Evaporator (3) internal upper part is separation chamber (301), middle part is vaporization chamber (302), lower part is knot
Brilliant room (303), is provided with steam (vapor) outlet (7) at the top of the separation chamber (301), the steam (vapor) outlet (7) by pipeline successively with
Compression fan (11) is connected with heater (2) tube-side inlet, and vaporization chamber (302) top layer is provided with helicoidal stream pipe (312),
And multiple U-tubes (322) are evenly arranged in vaporization chamber (302) vertically, U-tube (322) nozzle and helicoidal stream pipe
(312) connect, vaporization chamber (302) one side is provided with steam inlet (8), helicoidal stream pipe (312) one end open with
Steam inlet (8) is wanted to connect, and helicoidal stream pipe (312) another end opening is in closed state, and the steam inlet (8) passes through pipeline
It exports and connects with heater (2) tube side.
2. a kind of soda manufacture MVR vaporising devices according to claim 1, it is characterised in that：The vaporization chamber (302)
Side is provided with first entrance (6), and the first entrance (6) is connected by pipeline with the material liquid outlet (5) of preheater (1).
3. a kind of soda manufacture MVR vaporising devices according to claim 1, it is characterised in that：The crystallisation chamber (303)
Bottom is provided with products export (9).
4. a kind of soda manufacture MVR vaporising devices according to claim 1, it is characterised in that：The crystallisation chamber (303)
Side is provided with disposing mother liquor mouth (10), and the disposing mother liquor mouth (10) is connected by pipeline with first entrance (6), and mother liquor returns
It closes up (10) and is connected with discharging pump (12) between first entrance (6).
5. a kind of soda manufacture MVR vaporising devices according to claim 1, it is characterised in that：On the preheater (1)
Portion is provided with material liquid entrance (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410361.9U CN207371123U (en) | 2017-10-27 | 2017-10-27 | A kind of soda manufacture MVR vaporising devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410361.9U CN207371123U (en) | 2017-10-27 | 2017-10-27 | A kind of soda manufacture MVR vaporising devices |
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| Publication Number | Publication Date |
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| CN207371123U true CN207371123U (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721410361.9U Active CN207371123U (en) | 2017-10-27 | 2017-10-27 | A kind of soda manufacture MVR vaporising devices |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596709A (en) * | 2017-10-27 | 2018-01-19 | 四川省洪雅青衣江元明粉有限公司 | A kind of soda manufacture MVR vaporising devices |
| CN109437249A (en) * | 2018-12-28 | 2019-03-08 | 余小海 | A kind of heavy alkali production method |
| CN109704370A (en) * | 2018-12-28 | 2019-05-03 | 余小海 | A kind of heavy alkali high-efficiency crystallization process units |
-
2017
- 2017-10-27 CN CN201721410361.9U patent/CN207371123U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596709A (en) * | 2017-10-27 | 2018-01-19 | 四川省洪雅青衣江元明粉有限公司 | A kind of soda manufacture MVR vaporising devices |
| CN109437249A (en) * | 2018-12-28 | 2019-03-08 | 余小海 | A kind of heavy alkali production method |
| CN109704370A (en) * | 2018-12-28 | 2019-05-03 | 余小海 | A kind of heavy alkali high-efficiency crystallization process units |
| CN109437249B (en) * | 2018-12-28 | 2021-09-21 | 南京六合高新建设发展有限公司 | Production method of heavy alkali |
| CN109704370B (en) * | 2018-12-28 | 2021-11-23 | 台州市路桥凯通管业有限公司 | High-efficient crystallization apparatus for producing of heavy matter alkali |
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