CN209696336U - A kind of new type low temperature potassium sodium separator - Google Patents

Abstract

The utility model discloses a kind of new type low temperature potassium sodium separators, including cold catch pot main body, thermometer, slurry water outlet, diversion pipe, support tank, pressure remote transmitter, liquidometer, warmer, external solution import, position liquid transmitter, feed cycle pump, feed regulating valve, evacuation port and agitating device, support tank is provided in the middle part of the cold catch pot main body, bolt is equipped with agitating device on the bottom end outer wall of the support tank, diversion pipe is fixedly installed at the inside center of the support tank, the cold catch pot main body, which is located on the side bottom end outer wall of support tank, offers slurry water outlet；The utility model structure is relatively simple, and automatization level is higher, is conducive to finishing operations and stable and reliable operation；Have the advantages that evaporative crystallization is high-efficient, improve product quality, specific energy consumption is low, controlling is high, production economy is good in the operating procedure of potassium sodium separation, is conducive to the separating-purifying of k-na salt in chemical engineering industry production.

Description

A kind of new type low temperature potassium sodium separator

Technical field

The utility model relates to chemical engineering industry tool of production technical field, specially a kind of new type low temperature potassium sodium separator.

Background technique

With stepping up for environmental requirement, required also just increasingly containing the wastewater treatment of potassium chloride and sodium chloride simultaneously Strictly, potassium is important agricultural fertilizer, either economically or from environmental angle, in order to realize maximum revenue, changes It often needs two kinds of salt of potassium sodium carrying out separating-purifying in work industrial production；It for a long time, is always to be steamed with traditional multiple-effect high-temperature Hair, sodium chloride takes the lead in saturation and being precipitated in the form of crystal, with the progress of evaporation, potassium chloride close to before saturation to mother liquor into Row cooling processing, comes Isolating chlorinated potassium and sodium chloride；Although this method can preferably apply to potassium sodium separating technology, investment compared with Greatly, energy consumption is also high, and does not have a kind of easy to operate, stable potassium sodium separator on existing market, is unfavorable for industrial potassium The separation of sodium.

Utility model content

The purpose of this utility model is to provide a kind of new type low temperature potassium sodium separators, to solve to mention in above-mentioned background technique Out the problem of.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of new type low temperature potassium sodium separation Device, including cold catch pot main body, thermometer, slurry water outlet, diversion pipe, support tank, pressure remote transmitter, liquidometer, Insulating layer, external solution import, position liquid transmitter, feed cycle pump, charging regulating valve, evacuation port and agitating device, the low temperature point From support tank is provided in the middle part of device main body, bolt is equipped with agitating device, the support on the bottom end outer wall of the support tank Diversion pipe is fixedly installed at the inside center of tank, the cold catch pot main body, which is located on the side bottom end outer wall of support tank, to be opened Equipped with slurry water outlet, the cold catch pot main body, which is located at below slurry water outlet, is fixedly installed with temperature on the outer wall of side It counts, perforation offers external solution import on the side bottom end outer wall of the cold catch pot main body, and one end of external solution import is run through In the inside of diversion pipe, the side that the cold catch pot main body is located at diversion pipe is provided with feed cycle pump pressure teletransmission pick-up The pump liquid end of device, feed cycle pump is fixedly connected by pipeline with one end of external solution import, the feed cycle pump and outside Charging regulating valve is fixedly installed on the pipeline connected between liquid import, on the middle part side outer wall of the cold catch pot main body It is fixedly installed with liquidometer, the cold catch pot main body, which is located on the outer wall above liquidometer, is fixedly installed with pressure teletransmission change Send device, the cold catch pot main body relative to being fixedly installed with a liquid transmitter on the side outer wall of pressure remote transmitter, Perforation offers evacuation port on the top side outer wall of the cold catch pot main body.

Further, one end of the evacuation port is connected with negative pressure system, and negative pressure system mainly by vacuum attraction station, Attraction pipeline and gas end connector composition, the gas end connector are connected to evacuation port.

Further, the electrical output end of institute's rheme liquid transmitter and the electrical input of charging regulating valve are electrically connected.

Further, bottom inner portion of the agitating paddle of the agitating device through diversion pipe.

Further, the cold catch pot main body, which is located to be bonded on the outer wall of support tank, is provided with insulating layer.

Compared with prior art, the utility model beneficial effect achieved is: the utility model, structure is relatively simple, Automatization level is higher, is conducive to finishing operations and stable and reliable operation；There is evaporation to tie in the operating procedure of potassium sodium separation It is brilliant it is high-efficient, improve product quality, the advantages that specific energy consumption is low, controlling is high, production economy is good, it is raw to be conducive to chemical engineering industry The separating-purifying of k-na salt in production is conducive to worker and uses.

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, cold catch pot main body；2, thermometer；3, slurry water outlet；4, diversion pipe；5, tank is supported；6, pressure Remote transmitter；7, liquidometer；8, insulating layer；9, external solution import；10, position liquid transmitter；11, feed cycle pumps；12, charging is adjusted Save valve；13, evacuation port；14, agitating device.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of new type low temperature potassium sodium separator, including low temperature Separator main body 1, thermometer 2, slurry water outlet 3, diversion pipe 4, support tank 5, pressure remote transmitter 6, liquidometer 7, heat preservation Layer 8, external solution import 9, position liquid transmitter 10, feed cycle pump 11, charging regulating valve 12, evacuation port 13 and agitating device 14 are low The middle part of warm separator main body 1 is provided with support tank 5, supports bolt on the bottom end outer wall of tank 5 to be equipped with agitating device 14, supports Diversion pipe 4 is fixedly installed at the inside center of tank 5, cold catch pot main body 1, which is located on the side bottom end outer wall of support tank 5, to be opened Equipped with slurry water outlet 3, cold catch pot main body 1, which is located on the outer wall of 3 lower section side of slurry water outlet, is fixedly installed with temperature 2 are counted, perforation offers external solution import 9 on the side bottom end outer wall of cold catch pot main body 1, and one end of external solution import 9 is run through In the inside of diversion pipe 4, the side that cold catch pot main body 1 is located at diversion pipe 4 is provided with feed cycle and pumps 11 pressure teletransmissions change Send device 6, the pump liquid end of feed cycle pump 11 is fixedly connected by pipeline with one end of external solution import 9, feed cycle pump 11 and outside It is fixedly installed on the pipeline connected between liquid import 9 and feeds regulating valve 12, on the middle part side outer wall of cold catch pot main body 1 It is fixedly installed with liquidometer 7, cold catch pot main body 1, which is located on the outer wall of 7 top of liquidometer, is fixedly installed with pressure teletransmission change Send device 6, cold catch pot main body 1 relative to being fixedly installed with a liquid transmitter 10 on the side outer wall of pressure remote transmitter 6, Perforation offers evacuation port 13 on the top side outer wall of cold catch pot main body 1；One end of evacuation port 13 and negative pressure system phase Connection, and negative pressure system is mainly made of vacuum attraction station, attraction pipeline and gas end connector, gas end connector with Evacuation port 13 is connected to, and is controlled the gaseous pressure in low temperature potassium sodium separator by negative pressure system, is carried out vacuum flash；Position liquid pick-up The electrical output end of device 10 and the electrical input of charging regulating valve 12 are electrically connected, and detect separator by position liquid transmitter 10 Interior liquid number, reach certain standard after by position liquid transmitter 10 to charging regulating valve 12 transmit signal, realize separator The control of interior liquid；The agitating paddle of agitating device 14 through diversion pipe 4 bottom inner portion, conducive to later period k-na salt separation into Row；Cold catch pot main body 1 is located at fitting on the outer wall of support tank 5 and is provided with insulating layer 8, is conducive to the guarantor of cold catch pot Temperature；The operating procedure of the new type low temperature potassium sodium separator are as follows: saturated brine (chloride containing potassium and the chlorination of high temperature (45 DEG C -70 DEG C) Sodium) it is sent into the diversion pipe 4 in low temperature potassium sodium separator by feed cycle pump 11 by external solution import 9, low temperature potassium sodium separator Temperature is controlled at 45-70 DEG C or so, is controlled the gaseous pressure in low temperature potassium sodium separator by evacuation port 13 and negative pressure system, is led to Cross vacuum flash, with the carry out potassium chloride of flash distillation can reach saturation and crystallize precipitation, and sodium chloride is not precipitated or amount of precipitation It is less, and after reaching about 20-30 DEG C of temperature drop, low temperature potassium sodium separator is discharged by slurry water outlet 3 in mother liquor, the chlorine in mother liquor Change potassium and flash simultaneously mass crystallization precipitation in low temperature potassium sodium separator, then amount of precipitation very little, the device can be by potassium chloride for sodium chloride 85% or more is purified to, and investment is small, low energy consumption.The two is molten at different temperatures using potassium chloride and sodium chloride for the operating procedure The rate of change difference of Xie Du separates the two, the solubility of sodium chloride hardly variation with temperature and change, and potassium chloride Solubility but with temperature increase and significantly increase, such case is more significant in two salt loadings；Low temperature potassium sodium separator The inlet and outlet mother liquor temperature difference is bigger, and evaporation efficiency is higher, potassium sodium separating effect is better and energy-saving effect is more significant；And the work of the equipment Low energy consumption for the more traditional hot melt crystallisation of skill, easy to operate；Since the charging and discharging of the present apparatus are controlled using automatic linkage, behaviour Make easy and stable and reliable operation；The present apparatus uses vacuum flash, takes away heat while flash distillation, will utmostly improve potassium The inlet and outlet mother liquor temperature difference of sodium separator makes the amount of precipitation of potassium chloride in separator reach maximum, in precipitation process mother liquor into Enter in potassium sodium separator and interior circulation is formed in diversion pipe 4 by agitating device 14, increases flash distillation liquid level, improve evaporation efficiency； Mother liquor enters after low temperature potassium sodium separator forms interior circulation by agitating device 14 in diversion pipe 4, increases the same of flash distillation liquid level When so that crystalline particle is constantly grown up, constantly formation large particle crystal, improve the quality of product；Present apparatus process flow is simple, It is easily real that the mother liquid flow rate of equipment, temperature, gaseous pressure, liquid level in equipment are entered using DCS control in existing, high degree of automation, Realize automated production；The present apparatus reduces the dependence to steam, and the thermal efficiency is high, low in energy consumption, is more energy-saving and environmentally friendly, and equipment can be with Long-period stable operation has very big economy and practicability.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

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 new type low temperature potassium sodium separator, including cold catch pot main body (1), thermometer (2), slurry water outlet (3), lead Flow tube (4), support tank (5), pressure remote transmitter (6), liquidometer (7), insulating layer (8), external solution import (9), position liquid pick-up Device (10), feed cycle pump (11), charging regulating valve (12), evacuation port (13) and agitating device (14), it is characterised in that: described Support tank (5) is provided in the middle part of cold catch pot main body (1), bolt, which is equipped with, on the bottom end outer wall of support tank (5) stirs It mixes device (14), is fixedly installed with diversion pipe (4) at the inside center of support tank (5), the cold catch pot main body (1) It is offered slurry water outlet (3) on the side bottom end outer wall of support tank (5), the cold catch pot main body (1) is located at slurry It is fixedly installed with thermometer (2) on the outer wall of side below material water outlet (3), the side bottom of the cold catch pot main body (1) It penetrates through and offers external solution import (9) on the outer wall of end, and one end of external solution import (9) is through the inside of diversion pipe (4), it is described low The side that warm separator main body (1) is located at diversion pipe (4) is provided with feed cycle pump (11) pressure remote transmitter (6), described The pump liquid end of feed cycle pump (11) is fixedly connected by pipeline with one end of external solution import (9), and the feed cycle pumps (11) Charging regulating valve (12) is fixedly installed on the pipeline connected between external solution import (9), the cold catch pot main body (1) It is fixedly installed on the outer wall of middle part side liquidometer (7), the cold catch pot main body (1) is located at outer above liquidometer (7) It is fixedly installed on wall pressure remote transmitter (6), the cold catch pot main body (1) is relative to pressure remote transmitter (6) Side outer wall on be fixedly installed with a liquid transmitter (10), passed through on the top side outer wall of the cold catch pot main body (1) It opens up and is equipped with evacuation port (13).

2. a kind of new type low temperature potassium sodium separator according to claim 1, it is characterised in that: the one of the evacuation port (13) End is connected with negative pressure system, and negative pressure system is mainly made of vacuum attraction station, attraction pipeline and gas end connector, institute Gas end connector is stated to be connected to evacuation port (13).

3. a kind of new type low temperature potassium sodium separator according to claim 1, it is characterised in that: institute's rheme liquid transmitter (10) Electrical output end and charging regulating valve (12) electrical input be electrically connected.

4. a kind of new type low temperature potassium sodium separator according to claim 1, it is characterised in that: the agitating device (14) Bottom inner portion of the agitating paddle through diversion pipe (4).

5. a kind of new type low temperature potassium sodium separator according to claim 1, it is characterised in that: the cold catch pot main body (1) it is located at fitting on the outer wall of support tank (5) and is provided with insulating layer (8).