CN219744460U - Automatic control device for preparing tartaric acid solution from tartrate - Google Patents
Automatic control device for preparing tartaric acid solution from tartrate Download PDFInfo
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- CN219744460U CN219744460U CN202223322918.7U CN202223322918U CN219744460U CN 219744460 U CN219744460 U CN 219744460U CN 202223322918 U CN202223322918 U CN 202223322918U CN 219744460 U CN219744460 U CN 219744460U
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- tank
- water tank
- chamber
- membranes
- tartaric acid
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- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 title claims abstract description 48
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000011975 tartaric acid Substances 0.000 title claims abstract description 31
- 235000002906 tartaric acid Nutrition 0.000 title claims abstract description 31
- 229940095064 tartrate Drugs 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000000909 electrodialysis Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 13
- 239000003513 alkali Substances 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 24
- 239000011550 stock solution Substances 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 12
- 238000007599 discharging Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 159000000000 sodium salts Chemical class 0.000 abstract 1
- 229960001367 tartaric acid Drugs 0.000 description 18
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 8
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 5
- 239000001433 sodium tartrate Substances 0.000 description 5
- 229960002167 sodium tartrate Drugs 0.000 description 5
- 235000011004 sodium tartrates Nutrition 0.000 description 5
- GUPPESBEIQALOS-UHFFFAOYSA-L calcium tartrate Chemical compound [Ca+2].[O-]C(=O)C(O)C(O)C([O-])=O GUPPESBEIQALOS-UHFFFAOYSA-L 0.000 description 4
- 239000001427 calcium tartrate Substances 0.000 description 4
- 235000011035 calcium tartrate Nutrition 0.000 description 4
- 229910001415 sodium ion Inorganic materials 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002308 calcification Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 229960001270 d- tartaric acid Drugs 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses an automatic feeding and discharging control device for preparing tartaric acid solution from tartrate, which is a bipolar membrane electrodialysis device with two compartments, wherein the number of positive membranes is 1 less than that of bipolar membranes, the positive membranes and the bipolar membranes are arranged at intervals, a polar chamber is formed between the bipolar membranes and electrodes, the outlet of a raw liquid tank is connected with a material chamber, the outlet of an alkaline water tank is connected with an alkaline chamber, the outlet of the polar water tank is connected with a polar chamber, the outlet of the material chamber is connected with an acid water discharge tank and a raw liquid tank, the outlet of the alkaline chamber is connected with an alkaline water discharge tank and an alkaline water tank, the outlets of the polar chamber are connected with the polar water tank, the inlets of the raw liquid tank and the alkaline water tank are provided with valves, liquid level detectors are arranged in the liquid level detectors, and conductivity meters and the valves are connected with the liquid level detectors. The device can directly convert sodium salt of tartaric acid into tartaric acid solution and sodium hydroxide solution, can realize automatic feeding and discharging, and has simple process, low cost and high safety.
Description
Technical Field
The utility model belongs to the technical field of chemical industry, and particularly relates to an automatic control device for producing tartaric acid by using sodium tartrate.
Background
Tartaric acid is widely used as an acidulant for beverages and other foods and this use is similar to citric acid. Tartaric acid and tannin are used together, can be used as mordant of acid dye, and also can be used for certain developing and fixing operations in photographic industry, and its ferric salt has photosensitivity, so that it can be used for making blueprints. Tartaric acid can be complexed with a plurality of metal ions, and can be used as a cleaning agent and a polishing agent for metal surfaces. D-tartaric acid can be used as medical intermediate and resolving agent.
The existing process for converting sodium tartrate into tartaric acid basically comprises the steps of calcification of salt through calcium sulfate to generate calcium tartrate, solid-liquid separation of sodium sulfate and calcium tartrate to obtain a calcium tartrate solution, recovery treatment of mother liquor, acidolysis of calcium tartrate through sulfuric acid to obtain a calcium sulfate and tartaric acid mixed solution, and solid-liquid separation of calcium sulfate to obtain a calcium sulfate solid and a tartaric acid solution again.
Disclosure of Invention
The utility model aims to solve the defects of complex process, complex operation and the like in the process of converting tartrate into tartaric acid, and provides an automatic control device for directly converting sodium tartrate into tartaric acid solution
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an automatic feeding and discharging control device for preparing tartaric acid solution from tartrate comprises a bipolar membrane electrodialysis device, a raw liquid tank, an alkaline water tank and a polar water tank,
the bipolar membrane electrodialysis device is a bipolar membrane positive membrane electrodialysis device with two compartments, the number of positive membranes is 1 less than that of bipolar membranes in the bipolar membrane electrodialysis device, the positive membranes and the bipolar membranes are arranged at intervals, a material chamber is formed between the positive membranes in the positive membranes and the bipolar membranes, an alkali chamber is formed between the positive membranes and the negative membranes of the bipolar membranes, a polar chamber is formed between the bipolar membranes and the electrodes,
the outlet of the stock solution tank is connected with the material chamber, the outlet of the alkaline water tank is connected with the alkaline chamber, the outlet of the polar water tank is connected with the polar chamber, the outlet of the material chamber is connected with the acid water discharge tank and the stock solution tank, the outlet of the alkaline chamber is connected with the alkaline water discharge tank and the alkaline water tank, the outlet of the polar chamber is connected with the polar water tank,
a feed valve is arranged at the inlet of the raw liquid tank, a liquid level detector is arranged in the raw liquid tank,
the inlet of the alkali liquid tank is connected with pure water, a pure water valve is arranged at the inlet of the alkali liquid tank, a liquid level detector is arranged in the alkali liquid tank,
conductivity meters are arranged at the material chamber outlet and the alkali chamber outlet,
the conductivity meter, the feeding valve, the pure water valve and the liquid level detector are connected with a control system.
Preferably, a filter is further arranged between the stock solution tank and the bipolar membrane electrodialysis device.
Preferably, a heat exchanger is further arranged between the stock solution tank and the bipolar membrane electrodialysis device.
Preferably, a filter is further arranged between the alkali water tank and the bipolar membrane electrodialysis device.
Preferably, a heat exchanger is further arranged between the alkali water tank and the bipolar membrane electrodialysis device.
Preferably, a filter is further arranged between the polar water tank and the bipolar membrane electrodialysis device.
Preferably, a heat exchanger is further arranged between the polar water tank and the bipolar membrane electrodialysis device.
Preferably, the control system is a DCS system.
Preferably, a thermometer is arranged in the heat exchanger, a heat exchange medium in the heat exchange area is controlled by a temperature control device, and the thermometer and the temperature control device are connected with a control system. Is used for controlling the temperature of materials and preventing the phenomenon of overhigh temperature.
Compared with the prior art, the utility model does not need calcification, the whole process is liquid, the whole device is automatically fed and started after DCS automatic operation and clicking, the conductivity reaches the standard, and the whole process does not need manual operation.
Drawings
Fig. 1 is a schematic structural diagram of an automatic control device for preparing tartaric acid solution from tartrate according to the present utility model.
In the figure, 1 is a raw liquid tank, 2 is a pump, 3 is a filter, 4 is a heat exchanger, 5 is a bipolar membrane electrodialysis device, 6 is an alkaline water tank, 7 is a pump, 8 is a filter, 9 is a heat exchanger, 10 is a polar water tank, 11 is a pump, 12 is a filter, 13 is a heat exchanger, 14 is an acid water discharge tank, 15 is an alkaline water discharge tank, 16 is a feed valve, 17 is a pure water valve, 18 is a feed liquid feed control valve, 19 is an alkaline water feed control valve, 20 is a polar water feed control valve, 21 is a conductivity meter, 22 is a conductivity meter, 23 is a polar water discharge control valve, 24 is an acid circulation control valve, 25 is a product discharge control valve, 26 is an alkaline liquid circulation control valve, and 27 is an alkaline liquid discharge control valve.
Detailed Description
Example 1
The automatic feeding and discharging control device for preparing tartaric acid solution from tartrate comprises a bipolar membrane electrodialysis device, a raw liquor tank, an alkali liquor tank and a polar liquor tank, wherein the bipolar membrane electrodialysis device is a bipolar membrane positive membrane electrodialysis device with two compartments, the number of positive membranes in the bipolar membrane electrodialysis device is 1 less than that of the bipolar membranes, the positive membranes and the bipolar membranes are arranged at intervals, a material chamber is formed between the positive membranes and the positive membranes in the bipolar membranes, an alkali liquor chamber is formed between the positive membranes and the negative membranes of the bipolar membranes, a polar chamber is formed between the bipolar membranes and an electrode, an outlet of the raw liquor tank is connected with the material chamber, an outlet of the alkali liquor tank is connected with the alkali liquor chamber, an outlet of the material chamber is connected with the acid water outlet tank and the raw liquor tank, an outlet of the alkali liquor chamber is connected with the alkali liquor outlet tank and the alkali liquor tank, a feed valve is arranged at an inlet of the raw liquor tank, a liquid level detector is arranged in the raw liquor tank, an inlet of the alkali liquor tank is connected with a pure water valve, a liquid level detector is arranged at the inlet of the pure water liquid level detector, and a liquid level detector is arranged at the inlet of the pure water detector, and a conductivity detector is connected with the liquid level detector.
And a filter is further arranged between the raw liquid tank and the bipolar membrane electrodialysis device.
And a heat exchanger is arranged between the raw liquid tank and the bipolar membrane electrodialysis device.
And a filter is further arranged between the alkali water tank and the bipolar membrane electrodialysis device.
And a heat exchanger is arranged between the alkali water tank and the bipolar membrane electrodialysis device.
And a filter is further arranged between the polar water tank and the bipolar membrane electrodialysis device.
And a heat exchanger is further arranged between the polar water tank and the bipolar membrane electrodialysis device.
The control system is a DCS system.
The heat exchanger is internally provided with a thermometer, a heat exchange medium in the heat exchange area is controlled by a temperature control device, and the thermometer and the temperature control device are connected with a control system. Is used for controlling the temperature of materials and preventing the phenomenon of overhigh temperature.
The polar water is 1% sodium hydroxide solution, the purpose of which is to enhance conductivity.
When in use, the sodium tartrate solution, the alkali solution and the polar water respectively enter a material chamber, an alkali chamber and a polar chamber of the bipolar membrane electrodialysis device, and respectively enter an outlet through ion migration to be converted into acid water, alkali water and polar water
When in use, direct current is respectively applied to the electrodes at the two sides of the bipolar membrane electrodialysis, the raw liquid tank and the alkaline water tank continuously circulate, the sodium ions in the raw liquid tank are gradually reduced, the concentration of the hydrogen ions is gradually increased, the concentration of the alkaline water tank is continuously increased along with the continuous combination of the sodium ions and the hydroxide ions, and the concentration reaches 4% of the discharging
The conductivity meter arranged at the outlet of the material chamber is used for monitoring the conductivity, when the conductivity is larger than a set value, the acid circulation control valve is always opened and circulated to the raw liquid tank until the conductivity is lower than the set value (sodium ions are smaller than 2000 PPm), the control system is used for controlling the opening of the product discharge control valve, the acid circulation control valve is closed, and the acid water is discharged from the tank to obtain tartaric acid solution
And when the conductivity is lower than a set value, an alkali liquor circulation control valve is opened, alkali liquor circulates to an alkali water tank, when the conductivity is higher than the set value (the concentration of sodium hydroxide is about 4 percent and the conductivity is about 180 mu m), an alkali liquor discharging control valve is opened, the alkali liquor tank circulation control valve is closed, and an alkali liquor discharging box is closed, so that sodium hydroxide solution is obtained.
The device adopts full-automatic DCS control, when a DCS automatic start key is pressed, the liquid level of a raw liquid tank and an alkaline liquid tank is automatically fed to the liquid level upper limit, a feed valve 16 and a pure water valve 17 are closed, a feed liquid feed control valve 18, an alkaline liquid feed control valve 19, a polar water feed control valve 20, a polar water discharge control valve 23, an acid circulation control valve 24 and an alkaline liquid circulation control valve 26 are opened, a pump is automatically started, a bipolar membrane electrodialysis device 5 is electrified and starts circulation, when sodium ions in the raw liquid tank are 2000PPM, a product discharge control valve 25 is opened, an acid circulation control valve 24 is closed for discharging tartaric acid solution, the liquid level of the raw liquid tank is opened to the low limit, a product discharge control valve 25 is closed, and the raw liquid tank is fed again; when the conductivity of the alkali chamber is higher than 180 mu m, opening an alkali liquor discharging control valve 27 and closing an alkali liquor circulation control valve 26; when the liquid level of the alkaline water tank is low, the alkaline water circulation control valve 26 is opened, the alkaline water discharge control valve 27 is closed, the pure water valve 17 is opened to replenish pure water again, so that the automatic feeding and discharging control of tartaric acid solution produced by sodium tartrate can be realized, and the tartaric acid solution in the acid water discharge tank 14 can be processed by the processes of ion exchange, concentration, drying and the like to obtain qualified tartaric acid finished products.
Claims (9)
1. An automatic control device for preparing tartaric acid solution from tartrate is characterized by comprising a bipolar membrane electrodialysis device, a raw liquid tank, an alkaline water tank and a polar water tank,
the bipolar membrane electrodialysis device is a bipolar membrane positive membrane electrodialysis device with two compartments, the number of positive membranes is 1 less than that of bipolar membranes in the bipolar membrane electrodialysis device, the positive membranes and the bipolar membranes are arranged at intervals, a material chamber is formed between the positive membranes in the positive membranes and the bipolar membranes, an alkali chamber is formed between the positive membranes and the negative membranes of the bipolar membranes, a polar chamber is formed between the bipolar membranes and the electrodes,
the outlet of the stock solution tank is connected with the material chamber, the outlet of the alkaline water tank is connected with the alkaline chamber, the outlet of the polar water tank is connected with the polar chamber, the outlet of the material chamber is connected with the acid water discharge tank and the stock solution tank, the outlet of the alkaline chamber is connected with the alkaline water discharge tank and the alkaline water tank, the outlet of the polar chamber is connected with the polar water tank,
a feed valve is arranged at the inlet of the raw liquid tank, a liquid level detector is arranged in the raw liquid tank,
the inlet of the alkali water tank is connected with pure water, a pure water valve is arranged at the inlet of the alkali water tank, a liquid level detector is arranged in the alkali water tank,
conductivity meters are arranged at the material chamber outlet and the alkali chamber outlet,
the conductivity meter, the feeding valve, the pure water valve and the liquid level detector are connected with a control system.
2. The automatic control device for preparing tartaric acid solution from tartrate according to claim 1, wherein a filter is further arranged between the raw liquid tank and the bipolar membrane electrodialysis device.
3. The automatic control device for preparing tartaric acid solution from tartrate according to claim 1, wherein a heat exchanger is further arranged between the raw liquid tank and the bipolar membrane electrodialysis device.
4. The automatic control device for preparing tartaric acid solution from tartrate according to claim 1, wherein a filter is further arranged between the alkaline water tank and the bipolar membrane electrodialysis device.
5. The automatic control device for preparing tartaric acid solution from tartrate of claim 1, wherein a heat exchanger is further arranged between the alkaline water tank and the bipolar membrane electrodialysis device.
6. The automatic control device for preparing tartaric acid solution from tartrate according to claim 1, wherein a filter is further arranged between the polar water tank and the bipolar membrane electrodialysis device.
7. The automatic control device for preparing tartaric acid solution from tartrate according to claim 1, wherein a heat exchanger is further arranged between the polar water tank and the bipolar membrane electrodialysis device.
8. The automatic control device for preparing tartaric acid solution from tartrate of claim 1, wherein the control system is a DCS system.
9. The automatic control device for preparing tartaric acid solution from tartrate according to claim 7, wherein a thermometer is arranged in the heat exchanger, the heat exchange medium of the heat exchanger is controlled by a temperature control device, and the thermometer and the temperature control device are connected with a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223322918.7U CN219744460U (en) | 2022-12-12 | 2022-12-12 | Automatic control device for preparing tartaric acid solution from tartrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223322918.7U CN219744460U (en) | 2022-12-12 | 2022-12-12 | Automatic control device for preparing tartaric acid solution from tartrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219744460U true CN219744460U (en) | 2023-09-26 |
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ID=88090830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223322918.7U Active CN219744460U (en) | 2022-12-12 | 2022-12-12 | Automatic control device for preparing tartaric acid solution from tartrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219744460U (en) |
-
2022
- 2022-12-12 CN CN202223322918.7U patent/CN219744460U/en active Active
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