CN208356163U - A kind of energy saving evaporation crystallization equipment of metabisulfite solution - Google Patents
A kind of energy saving evaporation crystallization equipment of metabisulfite solution Download PDFInfo
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- CN208356163U CN208356163U CN201820810991.3U CN201820810991U CN208356163U CN 208356163 U CN208356163 U CN 208356163U CN 201820810991 U CN201820810991 U CN 201820810991U CN 208356163 U CN208356163 U CN 208356163U
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Abstract
The utility model discloses a kind of energy saving evaporation crystallization equipments of metabisulfite solution, including raw material surge tank, raw material surge tank connects feed pump, feed pump connects preheater, preheater connects condensate pump, condensate pump connects condensate water pot, condensate water pot connects heater, and heater connects circulating pump, and circulating pump connects separator, separator connects discharging pump, discharging pump connects thickener, and thickener connects centrifuge, and centrifuge connects mother liquor tank, mother liquor tank is connected by pipeline and mother liquor pump, and in close connection between pipeline and mother liquor tank, mother liquor pump.The utility model beneficial effect achieved is: the equipment carries out dual control by using temperature gap sensor and differential pressure pickup, and then it can solve the temperature of discharging precision, and then it can be improved the purity and production efficiency of equipment production sodium sulphate, while secondary use can be carried out to steam by setting vapour compression machine.The utility model is compact structure and easy to use.
Description
Technical field
The utility model relates to a kind of crystallizer, the energy saving evaporation crystallization equipment of specially a kind of metabisulfite solution belongs to
In chemical plant installations technical field.
Background technique
Sodium sulphate is the salt that sulfate radical and sodium ion chemical combination generate, and sodium sulphate is dissolved in water and its aqueous solution is in alkalescent, molten
Ethyl alcohol is not dissolved in glycerol.The thin anhydride of inorganic compound, Disodium sulfate decahydrate also known as saltcake, high-purity, particle is known as
Anhydrous sodium sulphate is exposed to air and is easy water suction generation Disodium sulfate decahydrate, and Disodium sulfate decahydrate is commonly called as saltcake.Anhydrous sodium sulphate, white, nothing
Crystallization that is smelly, having bitter taste or powder, there is hygroscopicity.Shape is colourless, transparent, big crystallization or graininess little crystallization.It is main to use
In manufacture waterglass, glass, enamel, paper pulp, refrigeration intermixture, detergent, desiccant, dye-dilution agent, analytical chemistry reagent,
Pharmaceuticals, feed etc..At 241 DEG C, sodium sulphate can be transformed into the crystallization of six squares.It is a kind of in organic synthesis laboratory sodium sulphate
The most commonly used post-processing desiccant.And then sodium sulphate is raw material important in Chemical Manufacture, and existing manufacture sodium sulphate
Equipment generally controls the temperature in sodium sulphate manufacturing process by temperature sensor, and the precision of temperature sensor is less high, into
Without convenient for users to preparing sodium sulphate.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of section of metabisulfite solution
It can evaporation crystallization equipment.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of energy saving evaporation crystallization equipment of metabisulfite solution of the utility model, including raw material surge tank, the raw material are slow
Tank connection feed pump is rushed, the feed pump connects preheater, and the preheater connects condensate pump, and the condensate pump connection is cold
Condensate tank, the condensate water pot connect heater, and the heater connects circulating pump, and the circulating pump connects separator, described
Separator connects discharging pump, and the discharging pump connects thickener, and the thickener connects centrifuge, and the centrifuge connects mother liquor
Tank.
As a kind of optimal technical scheme of the utility model, the mother liquor tank is connected by pipeline and mother liquor pump, and is managed
In close connection between road and the mother liquor tank, mother liquor pump.
As a kind of optimal technical scheme of the utility model, connected between the separator and vapour compression machine by pipeline
It connects, and in close connection between the pipeline and the vapour compression machine.
As a kind of optimal technical scheme of the utility model, the heater is connected with the circulation port of the separator,
And it is connected between the separator and the heater by pipeline.
As a kind of optimal technical scheme of the utility model, the discharging pump is connected with the discharge port of the separator,
And the pipeline between the separator and the circulating pump is equipped with double flange differential pressure pick-ups, the separator is equipped with gas phase temperature
Sensor and liquidus temperature sensor, liquidus temperature are reached with gas phase temperature sensor values difference and double flange differential pressure pick-up numerical value
When to default value, discharging pump is opened.
As a kind of optimal technical scheme of the utility model, the mother liquor pump is connected with the feed inlet of separator, and institute
It states and is connected between separator and mother liquor pump by pipeline.
The utility model beneficial effect achieved is: the equipment by using temperature gap sensor and differential pressure pickup into
Row dual control, and then can solve the temperature of discharging precision, and then can be improved the purity and production effect of equipment production sodium sulphate
Rate, while secondary use can be carried out to steam by setting vapour compression machine.The utility model is compact structure and easy to use.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1, raw material surge tank；2, feed pump；3, preheater；4, vapour compression machine；5, heater；6, circulating pump；7,
Separator；8, discharging pump；9, thickener；10, centrifuge；11, mother liquor tank；12, mother liquor pumps；13, condensate water pot；14, condensed water
Pump.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing.In the utility model
Description in, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply and faces ground importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment
As shown in Figure 1, a kind of energy saving evaporation crystallization equipment of metabisulfite solution, including raw material surge tank 1, raw material surge tank
1 connection feed pump 2, feed pump 2 connect preheater 3, and preheater 3 connects condensate pump 14, and condensate pump 14 connects condensate water pot
13, condensate water pot 13 connects heater 5, and heater 5 connects circulating pump 6, and circulating pump 6 connects separator 7, and separator 7 connects out
Material pump 8, discharging pump 8 connect thickener 9, and thickener 9 connects centrifuge 10, and centrifuge 10 connects mother liquor tank 11.
Mother liquor tank 11 is connect by pipeline with mother liquor pump 12, and in close between pipeline and mother liquor tank 11, mother liquor pump 12
Connection.It is connected between separator 7 and vapour compression machine 4 by pipeline, and in close connection between pipeline and vapour compression machine 4.
Heater 5 is connected with the circulation port of separator 7, and is connected between separator 7 and heater 5 by pipeline.Mother liquor pumps 12 and divides
Feed inlet from device 7 is connected, and is connected between separator 7 and mother liquor pump 12 by pipeline.
Specifically, in use, waste water is squeezed into preheater 3 and tentatively heated up by raw material surge tank 1 by feed pump 2, when
1 low liquid level alarm of raw material surge tank and termination of pumping, when the high alarm of stoste liquid level stops charging, the waste water after preheating is by separator
7 circulation pipe enters heater 5, carries out heat exchange heating, and feed liquid is squeezed into heater 5, further heated up by circulating pump 6, heats up
Feed liquid afterwards enters separator 7, and since 7 pressure of separator reduces suddenly, feed liquid carries out gas-liquid separation, feed liquid in separator 7
Controlled by PLC, constantly beat circulating and evaporating, when in separator 7 liquidus temperature and gas phase temperature difference reach setting value, set
Value can be arranged by PLC, and the pressure value of double flange liquid level transmission devices on circulation pipe reaches setting value, and setting value can lead to
PLC setting is crossed, operates discharging pump 8 10 minutes, the duration of runs can be arranged by PLC, squeeze into thickener 9, increased
Thick, gas phase secondary steam is recompressed after passing through a series of demister into vapour compression machine 4, by vapour compression machine
Secondary steam after 4 respectively as heater 5 heat source, after the thickening that material passes through thickener 9, squeeze into centrifuge 10 carry out from
The heart, the salt after centrifugation are packaged outward transport, and the mother liquor that centrifuge 10 comes out enters mother liquor tank 11, and mother liquor tank 11 reaches certain height,
It is returned in separator 7 by mother liquor pump 12 and continues to evaporate, the high-temperature condensation water after the heat exchange of heater 5 is cold into condensate water pot 13
Condensate squeezes into heat source of the preheater 3 as preheater 3 by condensate pump 14, and the condensed water after heat exchange goes out battery limit (BL).
The wherein model S7-200 of PLC.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of energy saving evaporation crystallization equipment of metabisulfite solution, including raw material surge tank (1), which is characterized in that the raw material
Surge tank (1) connects feed pump (2), and the feed pump (2) connects preheater (3), and the preheater (3) connects condensate pump
(14), condensate pump (14) connection condensate water pot (13), the condensate water pot (13) connect heater (5), the heating
Device (5) connects circulating pump (6), and the circulating pump (6) connects separator (7), and the separator (7) connects discharging pump (8), described
Discharging pump (8) connects thickener (9), and the thickener (9) connects centrifuge (10), and the centrifuge (10) connects mother liquor tank
(11)。
2. a kind of energy saving evaporation crystallization equipment of metabisulfite solution according to claim 1, which is characterized in that the mother liquor
Tank (11) is connect by pipeline with mother liquor pump (12), and is between pipeline and the mother liquor tank (11), mother liquor pump (12)
Close connection.
3. a kind of energy saving evaporation crystallization equipment of metabisulfite solution according to claim 1, which is characterized in that the separation
It is connect between device (7) and vapour compression machine (4) by pipeline, and in close between the pipeline and the vapour compression machine (4)
Connection.
4. a kind of energy saving evaporation crystallization equipment of metabisulfite solution according to claim 1, which is characterized in that the heating
Device (5) is connected with the circulation port of the separator (7), and is connected between the separator (7) and the heater (5) by pipeline
It connects.
5. a kind of energy saving evaporation crystallization equipment of metabisulfite solution according to claim 2, which is characterized in that the mother liquor
Pump (12) is connected with the feed inlet of separator (7), and is connected between the separator (7) and mother liquor pump (12) by pipeline
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810991.3U CN208356163U (en) | 2018-05-29 | 2018-05-29 | A kind of energy saving evaporation crystallization equipment of metabisulfite solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810991.3U CN208356163U (en) | 2018-05-29 | 2018-05-29 | A kind of energy saving evaporation crystallization equipment of metabisulfite solution |
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| Publication Number | Publication Date |
|---|---|
| CN208356163U true CN208356163U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820810991.3U Active CN208356163U (en) | 2018-05-29 | 2018-05-29 | A kind of energy saving evaporation crystallization equipment of metabisulfite solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295256A (en) * | 2020-09-23 | 2021-02-02 | 河北金坦化工装备有限公司 | Heat pump type temperature rising crystallization process |
-
2018
- 2018-05-29 CN CN201820810991.3U patent/CN208356163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295256A (en) * | 2020-09-23 | 2021-02-02 | 河北金坦化工装备有限公司 | Heat pump type temperature rising crystallization process |
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