CN204429309U - Ion interchange unit automatic control system - Google Patents
Ion interchange unit automatic control system Download PDFInfo
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- CN204429309U CN204429309U CN201520062676.3U CN201520062676U CN204429309U CN 204429309 U CN204429309 U CN 204429309U CN 201520062676 U CN201520062676 U CN 201520062676U CN 204429309 U CN204429309 U CN 204429309U
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Abstract
The utility model provides the ion interchange unit automatic control system that can be used in producing potassium nitrate, comprises ion exchange column R, the 1st supervisor Z1, the 2nd supervisor Z2, the 3rd supervisor Z3.Five upper feeding arm N1 ~ N5 on 1st supervisor Z1 are provided with stop valve Q1 ~ Q5, two top discharge arms M1, M2 on 2nd supervisor Z2 are provided with stop valve Q6, Q7, three lower feed-inputing branched pipe L1 ~ L3 on 3rd supervisor Z3 are provided with stop valve Q8 ~ Q10, and three bottom discharge arm K1 ~ K3 are provided with stop valve Q11 ~ Q13.1st chain controller C1 is according to the Liquid level control valve T1 in exchange column R, 2nd chain controller C2 is according to the difference of liquid electric conductivity in the 2nd supervisor 2, control the opening and closing of stop valve Q6, Q7 respectively, 3rd chain controller C3, according to the difference of liquid electric conductivity in the 3rd supervisor 3, controls the opening and closing of stop valve Q11 ~ Q13 respectively.Therefore according to different dischargings, stop valve can be switched automatically when discharging.
Description
Technical field
The utility model relates to ion interchange unit automatic control system, particularly relates to the ion interchange unit automatic control system being applicable to produce potassium nitrate.
Background technology
Industrial potassium nitrate manufactures the raw material of black powder, also for fireworks to produce purple spark.Thermomechanical aging makes the salt bath quenched.Ceramic industry is used for the color medicine of porcelain colored glaze.As glass fining agent, for the manufacture of lens, optical glass, picture tube glass bulb etc.Medical industry is for the production of the medicine such as potassium salt of penicillin, rifampin.For cigarette paper processed.As catalyst, dressing agent, as the compound fertilizer of crops and flowers, edible potassium nitrate is used as colour former, anticorrisive agent etc. in food industry.Especially along with the fast development of modern infant industry and high-tech research achievement, the function and position of this product becomes more and more important.High-purity, high-quality potassium nitrate are one of the important source material of producing optical glass, car light glass bulb, high-grade color picture tube glass bulb.
Agricultural Potassium Nitrate is high-quality chlorideless potassic fertilizer, containing the nitrate nitrogen of more than 13% and the potassium oxide of more than 44%, all that water-soluble oxygen divides, potassium ion and nitrate ion can be absorbed by crops very soon, be the potassium nitrogen composite fertilizer of chemical property, the yield and quality of the industrial crops such as tobacco, beet, citrus can be significantly improved.Potassium nitrate is also used to the preparation of the nutrient solution of soilless cultivation plant in recent years.
Ion-exchange produces the capital equipment of potassium nitrate salt refining system, ion exchange column, evaporimeter, centrifuge, fused salt granulation, packaging etc., and is directly connected to the production capacity of potassium nitrate, product grade and production cost as the ion exchange column of capital equipment.
For raising ion-exchange produces the production capacity of potassium nitrate, need to expand the production capacity of Production of Potassium Nitrate device, as some project needs the Production of Potassium Nitrate device of annual output 60000 tons to be extended to annual output 200000 tons.Existing ion exchange column, owing to all adopting Artificial Control, cannot form large output, constrains the raising of production capacity.
The purpose of this utility model is to improve the ion-exchange control procedure of ion exchange column, one is provided to realize Automated condtrol, greatly save human cost and improve production capacity and product grade, reduce the ion interchange unit automatic control system of production cost.
Utility model content
First technical scheme of the present utility model is a kind of ion interchange unit automatic control system, it is characterized in that, comprise ion exchange column (R), be responsible for (Z1) with the 1st of ion exchange column (R) inner UNICOM, 2nd supervisor (Z2), 3rd supervisor (Z3), 1st supervisor (Z1) is connected with multiple upper feeding arm (N1 ~ N5), 2nd supervisor (Z2) is connected with multiple top discharge arm (M1, M2), 3rd supervisor (Z3) is connected with multiple lower feed-inputing branched pipe (L1 ~ L3) and is connected with multiple bottom discharge arm (K1 ~ K3) by control valve (T1), upper feeding stop valve (Q1 ~ Q5) is respectively equipped with in each upper feeding arm (N1 ~ N5), each top discharge arm (M1, M2) top discharge stop valve (Q6 is respectively equipped with in, Q7), lower Feed Shut-Off valve (Q8 ~ Q10) is respectively equipped with in each lower feed-inputing branched pipe (L1 ~ L3), bottom discharge stop valve (Q11 ~ Q13) is respectively equipped with in each bottom discharge arm (K1 ~ K3),
Also there is the 1st chain controller (C1), 2nd chain controller (C2), 3rd chain controller (C3), 1st chain controller (C1) has the liquid level gauge of detection ion exchange column (R) interior liquid level, according to the Liquid level control valve (T1) in exchange column (R), 2nd chain controller (C2) has the conductivity meter that (Z2) interior liquid electric conductivity is responsible in detection the 2nd, according to the difference of the 2nd supervisor's (Z2) interior liquid electric conductivity, control top discharge stop valve (Q6 respectively, Q7) opening and closing, 3rd chain controller (C3) has the conductivity meter that (Z3) interior liquid electric conductivity is responsible in detection the 3rd, according to the difference of the 3rd supervisor's (Z3) interior liquid electric conductivity, control the opening and closing of bottom discharge stop valve (Q11 ~ Q13) respectively.
Second technical scheme of the present utility model is based on the first technical scheme, it is characterized in that, be responsible for the upper feeding arm (N1 ~ N5) that (Z1) be connected have five with the described 1st, be responsible for the top discharge arm (M1, M2) that (Z2) be connected with the 2nd and have two, being responsible for the lower feed-inputing branched pipe (L1 ~ L3) that (Z3) be connected with the 3rd is three, and being responsible for by control valve (T1) the bottom discharge arm (K1 ~ K3) that (Z3) be connected with the 3rd has three.
3rd technical scheme of the present utility model is based on the second technical scheme, it is characterized in that, be a control unit with 4 ion exchange columns (R), the upper feeding arm (N1 ~ N5) of each ion exchange column (R), top discharge arm (M1, M2), lower feed-inputing branched pipe (L1 ~ L3), bottom discharge arm (K1 ~ K3) are connected with common pipeline respectively, and the technique exchange process of each ion exchange column (R) is asynchronous.
4th technical scheme of the present utility model is based on the 3rd technical scheme, it is characterized in that, the feed line that each upper feeding arm (N1 ~ N5), lower feed-inputing branched pipe (L1 ~ L3) connect is provided with pressure transmitter, by the charging pump VFC that feed line is each upper feeding arm (N1 ~ N5), lower feed-inputing branched pipe (L1 ~ L3) feed, frequency-variable controller, according to pressure line pressure, regulates the frequency of charging pump to realize weighing apparatus pressure feed.
5th technical scheme of the present utility model is based on the 4th technical scheme, it is characterized in that, the feed line that each upper feeding arm (N1 ~ N5), lower feed-inputing branched pipe (L1 ~ L3) connect is provided with flow controller and detects the conductivity meter of liquid electric conductivity in feed line, flow controller, according to the electrical conductivity of liquid in feed line, controls the time of charging.
6th technical scheme of the present utility model is based on any one in the 3rd to the 5th technical scheme, it is characterized in that, for the production of potassium nitrate, five upper feeding arms (N1 ~ N5) respectively with ammonium nitrate, ammonium hydrogencarbonate, the wash water, the wash water 1, the feed line of the wash water 2 connects, three lower feed-inputing branched pipes (L1 ~ L3) respectively with potassium chloride, backwash water 1, the feed line of backwash water 2 connects, two top discharge arm (M1, M2) respectively with enter potassium water-break, the discharging pipeline of ammonium chloride connects, three bottom discharge arms (K1 ~ K3) exchange liquid with minuent respectively, exchange liquid, the discharging pipeline of water-break connects.
According to the above the technical solution of the utility model recorded, the liquid level in ion exchange column (R) is detected due to the 1st chain controller (C1), according to the Liquid level control valve (T1) in exchange column (R), therefore by upper feeding arm (N1 ~ N5) to ion exchange column (R) interior charging time, the discharging of bottom discharge arm (K1 ~ K3) can be prevented too fast or excessively slow, make the liquid level in ion exchange column (R) maintain optimum position, improve production efficiency and ensure that the quality of product.
Because the 2nd chain controller (C2) is according to the difference of the 2nd supervisor's (Z2) interior liquid electric conductivity, control the opening and closing of top discharge stop valve (Q6, Q7) respectively, can be different according to the liquid in the 2nd supervisor (Z2), automatic switchover discharging stop valve (Q6, Q7), carries out water conservancy diversion to material etc.
Because the 3rd chain controller (C3) is according to the difference of the 3rd supervisor's (Z3) interior liquid electric conductivity, control the opening and closing of bottom discharge stop valve (Q11 ~ Q13) respectively, can be different according to the liquid in the 3rd supervisor (Z3), automatic switchover bottom discharge stop valve (Q11 ~ Q13), carries out water conservancy diversion to material etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ion interchange unit automatic control system of the utility model embodiment;
Fig. 2 is the structural representation of the ion exchange system of the utility model embodiment;
Fig. 3 is the upper right portion enlarged drawing of Fig. 2;
Fig. 4 is the upper left enlarged drawing of Fig. 2;
Fig. 5 is the bottom left section enlarged drawing of Fig. 2;
Fig. 6 is the lower right-most portion enlarged drawing of Fig. 2.
Detailed description of the invention
Below to produce the ion interchange unit automatic control system of potassium nitrate, the ion interchange unit automatic control system of the utility model embodiment is described.
Fig. 1 is the structural representation of the ion interchange unit automatic control system of the utility model embodiment.As shown in Figure 1, ion interchange unit has ion exchange column R, is responsible for Z1, the 2nd is responsible for Z2, the 3rd and is responsible for Z3 with the 1st of the inner UNICOM of ion exchange column R.1st supervisor Z1 is connected with five upper feeding arm N1 ~ N5, 2nd supervisor Z2 is connected with two top discharge arm M1, M2, 3rd supervisor Z3 is connected with three lower feed-inputing branched pipe L1 ~ L3, and be connected with three bottom discharge arms (K1 ~ K3) by control valve T1, upper feeding stop valve Q1 ~ Q5 is respectively equipped with in each upper feeding arm (N1 ~ N5), each top discharge arm M1, top discharge stop valve Q6 is respectively equipped with in M2, Q7, lower Feed Shut-Off valve Q8 ~ Q10 is respectively equipped with in each lower feed-inputing branched pipe L1 ~ L3, bottom discharge stop valve Q11 ~ Q13 is respectively equipped with in each bottom discharge arm K1 ~ K3.
1st chain controller C1 has the liquid level gauge detecting liquid level in ion exchange column R, according to the Liquid level control valve T1 in exchange column R.2nd chain controller C2 has the conductivity meter that liquid electric conductivity in Z2 is responsible in detection the 2nd, according to the difference of liquid electric conductivity in the 2nd supervisor Z2, control the opening and closing of top discharge stop valve Q6, Q7 respectively, 3rd chain controller C3 has the conductivity meter that liquid electric conductivity in Z3 is responsible in detection the 3rd, according to the difference of liquid electric conductivity in the 3rd supervisor Z3, control the opening and closing of bottom discharge stop valve Q11 ~ Q13 respectively.
Five upper feeding arm N1 ~ N5 are connected with the feed line of ammonium nitrate, ammonium hydrogencarbonate, the wash water, the wash water 1, the wash water 2 respectively, three lower feed-inputing branched pipe L1 ~ L3 are connected with the feed line of potassium chloride, backwash water 1, backwash water 2 respectively, two top discharge arms M1, M2 respectively with enter potassium water-break, the discharging pipeline of ammonium chloride is connected, three bottom discharge arm K1 ~ K3 exchange liquid respectively, exchange liquid with minuent, the discharging pipeline of water-break is connected.
During the charging of top, open upper feeding stop valve Q1 ~ Q5 successively according to the technological requirement of Production of Potassium Nitrate, stage by stage in ion exchange column R, inject ammonium nitrate, ammonium hydrogencarbonate, the wash water, the wash water 1, the wash water 2.Now, the 1st chain controller C1 is according to the liquid level in ion exchange column R, and the aperture of control and regulation valve T1, makes the liquid level of ion exchange column R maintain optimum position.
3rd chain controller C3, according to the difference of liquid electric conductivity in the 3rd supervisor Z3, controls the opening and closing of bottom discharge stop valve Q11 ~ Q13 respectively, leads to the flow direction of material.
When underfeed, open lower Feed Shut-Off valve Q8, Q9, Q10 successively according to the technological requirement of Production of Potassium Nitrate, now top discharge arm M1, the M2 on top are gravity flow discharging.2nd chain controller C2, according to the difference of liquid electric conductivity in the 2nd supervisor Z2, controls the opening and closing of top discharge stop valve Q6, Q7 respectively, carries out water conservancy diversion to the flow direction of material.
That is, to be directly proportional this general principle according to the concentration of single material and its conductance, water conservancy diversion to be carried out to the flow direction of material, the method on-line monitoring checking in process of production.
Below the ion exchange system be made up of 32 ion exchange column R is described.
Fig. 2 is the structural representation of the ion exchange system of the utility model embodiment, and Fig. 3 is the upper right portion enlarged drawing of Fig. 2, and Fig. 4 is the upper left enlarged drawing of Fig. 2, and Fig. 5 is the bottom left section enlarged drawing of Fig. 2, and Fig. 6 is the lower right-most portion enlarged drawing of Fig. 2.
As shown in the figure, ion exchange system is made up of the ion exchange column R shown in 32 Fig. 1.32 ion exchange column R are divided into 8 groups, and each group has 4 ion interchange units to form a control unit respectively.In each control unit, the upper feeding arm N1 ~ N5 of ion exchange column R, top discharge arm M1, M2, lower feed-inputing branched pipe L1 ~ L3, bottom discharge arm K1 ~ K3 are connected with common pipeline respectively, and the technique exchange process of each ion exchange column R is asynchronous.
Each control unit is by common pipeline feed and discharging.Feed line is provided with pressure transmitter, by charging pump (not shown) VFC that feed line is each upper feeding arm N1 ~ N5, lower feed-inputing branched pipe L1 ~ L3 feed, frequency-variable controller, according to pressure line pressure, regulates the frequency of charging pump to realize weighing apparatus pressure feed.Each feed line is provided with volume control device C0, volume control device C0 is made up of the conductivity meter of liquid electric conductivity in flow controller and detection feed line, flow controller, according to the electrical conductivity of liquid in feed line, controls the time of charging, realizes the control of inlet amount.
Above embodiment of the present utility model is illustrated, in the present embodiment, because each arm can according to the flow direction of the difference automatic switchover material of material and feed time, not only structure is simple, reliable operation, also easily improves production capacity and product grade, reduces production cost.The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; as long as within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. an ion interchange unit automatic control system, it is characterized in that, comprise ion exchange column (R), be responsible for (Z1) with the 1st of ion exchange column (R) inner UNICOM, 2nd supervisor (Z2), 3rd supervisor (Z3), 1st supervisor (Z1) is connected with multiple upper feeding arm (N1 ~ N5), 2nd supervisor (Z2) is connected with multiple top discharge arm (M1, M2), 3rd supervisor (Z3) is connected with multiple lower feed-inputing branched pipe (L1 ~ L3) and is connected with multiple bottom discharge arm (K1 ~ K3) by control valve (T1), upper feeding stop valve (Q1 ~ Q5) is respectively equipped with in each upper feeding arm (N1 ~ N5), each top discharge arm (M1, M2) top discharge stop valve (Q6 is respectively equipped with in, Q7), lower Feed Shut-Off valve (Q8 ~ Q10) is respectively equipped with in each lower feed-inputing branched pipe (L1 ~ L3), bottom discharge stop valve (Q11 ~ Q13) is respectively equipped with in each bottom discharge arm (K1 ~ K3),
Also there is the 1st chain controller (C1), 2nd chain controller (C2), 3rd chain controller (C3), 1st chain controller (C1) has the liquid level gauge of detection ion exchange column (R) interior liquid level, according to the Liquid level control valve (T1) in exchange column (R), 2nd chain controller (C2) has the conductivity meter that (Z2) interior liquid electric conductivity is responsible in detection the 2nd, according to the difference of the 2nd supervisor's (Z2) interior liquid electric conductivity, control top discharge stop valve (Q6 respectively, Q7) opening and closing, 3rd chain controller (C3) has the conductivity meter that (Z3) interior liquid electric conductivity is responsible in detection the 3rd, according to the difference of the 3rd supervisor's (Z3) interior liquid electric conductivity, control the opening and closing of bottom discharge stop valve (Q11 ~ Q13) respectively.
2. a kind of ion interchange unit automatic control system according to claim 1, it is characterized in that, be responsible for the upper feeding arm (N1 ~ N5) that (Z1) be connected have five with the described 1st, be responsible for the top discharge arm (M1, M2) that (Z2) be connected with the 2nd and have two, being responsible for the lower feed-inputing branched pipe (L1 ~ L3) that (Z3) be connected with the 3rd is three, and being responsible for by control valve (T1) the bottom discharge arm (K1 ~ K3) that (Z3) be connected with the 3rd has three.
3. a kind of ion interchange unit automatic control system according to claim 2, it is characterized in that, be a control unit with 4 ion exchange columns (R), the upper feeding arm (N1 ~ N5) of each ion exchange column (R), top discharge arm (M1, M2), lower feed-inputing branched pipe (L1 ~ L3), bottom discharge arm (K1 ~ K3) are connected with common pipeline respectively, and the technique exchange process of each ion exchange column (R) is asynchronous.
4. a kind of ion interchange unit automatic control system according to claim 3, it is characterized in that, the feed line that each upper feeding arm (N1 ~ N5), lower feed-inputing branched pipe (L1 ~ L3) connect is provided with pressure transmitter, by the charging pump VFC that feed line is each upper feeding arm (N1 ~ N5), lower feed-inputing branched pipe (L1 ~ L3) feed, frequency-variable controller, according to pressure line pressure, regulates the frequency of charging pump to realize weighing apparatus pressure feed.
5. a kind of ion interchange unit automatic control system according to claim 4, it is characterized in that, the feed line that each upper feeding arm (N1 ~ N5), lower feed-inputing branched pipe (L1 ~ L3) connect is provided with flow controller and detects the conductivity meter of liquid electric conductivity in feed line, flow controller, according to the electrical conductivity of liquid in feed line, controls the time of charging.
6. a kind of ion interchange unit automatic control system recorded any one of claim 3 to 5, it is characterized in that, for the production of potassium nitrate, five upper feeding arms (N1 ~ N5) respectively with ammonium nitrate, ammonium hydrogencarbonate, the wash water, the wash water 1, the feed line of the wash water 2 connects, three lower feed-inputing branched pipes (L1 ~ L3) respectively with potassium chloride, backwash water 1, the feed line of backwash water 2 connects, two top discharge arm (M1, M2) respectively with enter potassium water-break, the discharging pipeline of ammonium chloride connects, three bottom discharge arms (K1 ~ K3) exchange liquid with minuent respectively, exchange liquid, the discharging pipeline of water-break connects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062676.3U CN204429309U (en) | 2015-01-29 | 2015-01-29 | Ion interchange unit automatic control system |
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| CN201520062676.3U CN204429309U (en) | 2015-01-29 | 2015-01-29 | Ion interchange unit automatic control system |
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| CN204429309U true CN204429309U (en) | 2015-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588134A (en) * | 2015-01-29 | 2015-05-06 | 青海盐湖工业股份有限公司 | Automatic control system of ion exchange device |
| CN108983728A (en) * | 2018-08-10 | 2018-12-11 | 青海盐湖工业股份有限公司 | A kind of system for realizing that lithium washes automatic process control system using conductivity meter |
-
2015
- 2015-01-29 CN CN201520062676.3U patent/CN204429309U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104588134A (en) * | 2015-01-29 | 2015-05-06 | 青海盐湖工业股份有限公司 | Automatic control system of ion exchange device |
| CN108983728A (en) * | 2018-08-10 | 2018-12-11 | 青海盐湖工业股份有限公司 | A kind of system for realizing that lithium washes automatic process control system using conductivity meter |
| CN108983728B (en) * | 2018-08-10 | 2021-04-30 | 青海盐湖工业股份有限公司 | System for realizing automatic control of lithium washing process by using conductivity meter |
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