CN211338870U - A device that is arranged in reverse osmosis base film waste water to draw DMF - Google Patents
A device that is arranged in reverse osmosis base film waste water to draw DMF Download PDFInfo
- Publication number
- CN211338870U CN211338870U CN202021434508.XU CN202021434508U CN211338870U CN 211338870 U CN211338870 U CN 211338870U CN 202021434508 U CN202021434508 U CN 202021434508U CN 211338870 U CN211338870 U CN 211338870U
- Authority
- CN
- China
- Prior art keywords
- communicated
- dmf
- reverse osmosis
- condenser
- hypergravity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a device for extracting DMF from reverse osmosis base membrane production wastewater, which comprises a hypergravity rectifier, a stock solution tank, a condenser and a finished product tank; the outlet of the stock solution tank is communicated with a liquid inlet guide pipe of the hypergravity rectifier, the gas outlet of the hypergravity rectifier is communicated with two branch guide pipes, one branch guide pipe is communicated with the reflux port, the other branch guide pipe is communicated with the inlet of the condenser, and the outlet of the condenser is communicated with the inlet of the finished product tank. The utility model has simple and reasonable structure, can efficiently recycle DMF extracted from the reverse osmosis base membrane production wastewater in a hypergravity rectification mode, has higher purity of the recycled DMF, can be used as a raw material, and can reach the discharge standard after rectification; in addition, the hypergravity rectifier is improved, so that the liquid accumulation disc and the fins can form high-speed reverse rotation matching, the gasification effect is improved, and the rectification efficiency is improved.
Description
Technical Field
The utility model relates to an extract DMF technical field, concretely relates to a device that is arranged in reverse osmosis base film waste water to extract DMF.
Background
N, N-dimethylformamide is DMF for short, is a polar aprotic solvent with high boiling point, and can generate DMF-containing wastewater in the production process of a reverse osmosis membrane base film.
At present, a reverse osmosis membrane manufacturer treats a large amount of DMF-containing wastewater in the production process, and because the concentration of DMF in the wastewater is lower but higher than the discharge standard, the manufacturer generally adopts two methods of biodegradation and distillation recovery to ensure that the wastewater reaches the discharge standard, but the two methods of DMF recovery have lower efficiency and can only be used for reducing the concentration, the construction of a biodegradation and distillation recovery tower is costly, and the cost of steam used for recovering high-concentration DMF by the distillation method is too high, so that the extraction of high-purity DMF from the reverse osmosis base membrane production wastewater becomes a technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a defect to prior art exists provides a device that is arranged in reverse osmosis base film waste water to draw DMF, and its is rational in infrastructure, use cost are low, can retrieve the high efficiency of DMF in the reverse osmosis base film waste water.
The technical scheme of the utility model is that: a device for extracting DMF from reverse osmosis base membrane production wastewater comprises a hypergravity rectifier, a stock solution tank, a condenser and a finished product tank;
the hypergravity rectifier comprises a driving motor, a planetary gear set, an inner cylinder, an outer cylinder and a bearing;
the top of the outer barrel is provided with an air outlet, the side wall of the outer barrel is provided with a steam port, a reflux port and a liquid inlet, the inner barrel is positioned in the cavity of the outer barrel, the bottom surface of the inner barrel is rotatably connected with the inner bottom surface of the outer barrel through a bearing, a partition plate is arranged in the cavity of the inner barrel, the bottom of the partition plate is provided with a plurality of fins, and the partition plate and the barrel wall of the inner barrel are both of a net structure;
the driving motor is fixedly connected to the top of the outer cylinder, a rotating shaft of the driving motor sequentially penetrates through the outer cylinder, the inner cylinder and the partition plate and then is connected with the liquid accumulating disc, the driving motor, the outer cylinder, the inner cylinder and the liquid accumulating disc are located on the same axis, a liquid accumulating groove is formed in the top of the liquid accumulating disc, and the fins extend into the liquid accumulating groove;
the planetary gear set comprises a driving gear, a transmission gear and a gear ring, the driving gear is positioned above the inner cylinder and sleeved on a rotating shaft of the driving motor, the transmission gear is rotatably connected to the top of the outer cylinder, the gear ring is fixedly connected to the top of the inner cylinder, and the driving gear, the transmission gear and the gear ring are sequentially meshed;
the outlet of the stock solution tank is communicated with a liquid inlet guide pipe of the hypergravity rectifier, the gas outlet of the hypergravity rectifier is communicated with two branch guide pipes, one branch guide pipe is communicated with the reflux port, the other branch guide pipe is communicated with the inlet of the condenser, and the outlet of the condenser is communicated with the inlet of the finished product tank.
Preferably, the partition plates and the liquid collecting discs are arranged at intervals in a multilayer mode.
Preferably, the system further comprises a reboiler which is connected in parallel with the hypergravity rectifier between the stock tank and the condenser through a conduit.
Preferably, a flow meter and a flow regulating valve are connected in series on a branch conduit between the air outlet and the return port of the supergravity fine retention device.
Preferably, the top of the finished product tank is provided with an exhaust port, and the exhaust port is connected with a vacuum pump.
Compared with the prior art, the utility model, have following advantage:
the utility model has simple and reasonable structure, can extract DMF from the reverse osmosis base membrane production wastewater in a hypergravity rectification mode for efficient recycling, and the recycled DMF has higher purity, so the DMF can be used as a raw material for producing the reverse osmosis base membrane, and the rectified wastewater can reach the discharge standard;
through improving hypergravity rectifier, make ponding dish and fin can form fast-speed counter-rotating cooperation to increased the effect of gasification, improved rectification efficiency, make hypergravity rectifier can get higher rectification effect again under the condition of low-cost transformation.
Drawings
Fig. 1 is a schematic connection diagram of the present invention;
FIG. 2 is a schematic diagram of a front side cut-away configuration of a hypergravity rectifier;
FIG. 3 is a schematic structural view of a planetary gear set;
in the figure: 1. the system comprises a hypergravity rectifier, 2, a raw liquid tank, 3, a condenser, 4, a finished product tank, 5, a reboiler, 6, a vacuum pump, 100, a steam port, 101, a driving motor, 102, an air outlet, 103, a reflux port, 104, a liquid inlet, 105, a planetary gear set, 106, an inner cylinder, 107, an outer cylinder, 108, a partition plate, 109, fins, 110, a liquid accumulation disc, 111, a liquid accumulation groove, 112, a bearing, 113, a driving gear, 114, a transmission gear, 115 and a gear ring.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
Referring to fig. 1 to 2, the device for extracting DMF from reverse osmosis base membrane production wastewater comprises a hypergravity rectifier 1, a raw liquid tank 2, a condenser 3 and a finished product tank 4.
The hypergravity rectifier 1 includes a driving motor 101, a planetary gear set 105, an inner cylinder 106, an outer cylinder 107, and a bearing 112.
The top of the outer cylinder 107 is provided with an air outlet 102, the side wall of the outer cylinder 107 is provided with a steam port 100, a reflux port 103 and a liquid inlet 104, the inner cylinder 106 is positioned in the cavity of the outer cylinder 107, and the bottom surface of the inner cylinder 106 is rotatably connected with the inner bottom surface of the outer cylinder 107 through a bearing 112.
The cavity of the inner cylinder 106 is provided with a partition 108, the bottom of the partition 108 is provided with a plurality of vertical downward fins 109, and the walls of the partition 108 and the inner cylinder 106 are both net-shaped structures, so that the liquid in the outer cylinder 107 can enter more conveniently.
The driving motor 101 is fixedly connected to the top of the outer cylinder 107, a rotating shaft of the driving motor 101 sequentially penetrates through the outer cylinder 107, the inner cylinder 106 and the partition 108 and then is connected with the liquid collecting disc 110, and the driving motor 101, the outer cylinder 107, the inner cylinder 106 and the liquid collecting disc 110 are located on the same axis.
The top of the liquid accumulating plate 110 is provided with a liquid accumulating tank 111, the fins 109 extend into the liquid accumulating tank 111, wherein the partition plates 108 and the liquid accumulating plate 110 can be arranged in a plurality of layers at intervals.
The planetary gear set 105 includes a driving gear 113, a transmission gear 114 and a ring gear 115, the driving gear 113 is located above the inner cylinder 106 and is sleeved on a rotating shaft of the driving motor 101, the transmission gear 114 is rotatably connected to the top of the outer cylinder 107, the ring gear 115 is fixedly connected to the top of the inner cylinder 106, and the driving gear 113, the transmission gear 114 and the ring gear 115 are sequentially meshed.
The outlet of the raw liquid tank 2 is communicated with a liquid inlet 104 of the hypergravity rectifier 1, the gas outlet 102 of the hypergravity retention device is communicated with two branch conduits, one branch conduit is communicated with a reflux port 103, the other branch conduit is communicated with the inlet of the condenser 3, and the outlet of the condenser 3 is communicated with the inlet of the finished product tank 4.
The working principle is as follows:
the waste water stored in the raw liquid tank 2 is conveyed into the outer cylinder of the supergravity rectifier 1, then the driving motor 101 is started, the rotating shaft of the driving motor 101 drives the liquid accumulating disc 110 to rotate, and meanwhile, the rotating shaft of the driving motor 101 drives the inner cylinder 106, the partition plate 108 and the fins 109 to rotate through the planetary gear set 105 and forms reverse rotation with the liquid accumulating disc 110;
the waste water in the hypergravity rectifier 1 is gasified under the action of introducing superheated steam into the steam port 100, and the waste water in the liquid accumulating disc 110 is collided, sheared and splashed at high speed through the high-speed reverse rotation matching of the liquid accumulating disc 110 and the fins 109, so that the gasification effect is improved, and the gasified waste water is liquefied by the condenser 3 and then enters the finished product tank 4 for collection.
The utility model has simple and reasonable structure, and can efficiently recycle DMF extracted from the reverse osmosis base membrane production wastewater by a hypergravity rectification mode, thereby saving the raw material cost, and the wastewater after rectification can reach the discharge standard;
in addition, the low-cost improvement of the hypergravity rectifier 1 enables the liquid accumulation disc 110 and the fins 109 to be matched in a high-speed reverse rotation mode, so that the gasification effect is improved, and the rectification efficiency is improved.
Example 2
Referring to fig. 1, the present embodiment is further optimized based on embodiment 1, specifically:
a reboiler 5 connected with the hypergravity rectifier 1 in parallel is added between the stock solution tank 2 and the condenser 3 through a conduit.
Through increasing reboiler 5, can squeeze into reboiler 5 interior cooperation original condenser 3 and carry out the redistillation with the liquid that collects after 1 rectification of hypergravity rectifier again, realize the double purification of once rectifying and redistillation to improve the DMF purity of extracting.
And (II) a flow meter and a flow regulating valve are connected in series on a branch conduit between the gas outlet 102 and the reflux port 103 of the supergravity fine retention device, and reflux flow can be visually observed and controlled through the flow meter and the flow regulating valve.
(III) the top of finished product jar 4 is equipped with the gas vent to be connected with vacuum pump 6 on the gas vent, can take out finished product jar 4 in advance into negative pressure state through at vacuum pump 6, thereby the DMF of being convenient for more draw gets into and collects in finished product jar 4.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a device that is arranged in reverse osmosis base membrane waste water to draw DMF which characterized in that: comprises a hypergravity rectifier, a stock solution tank, a condenser and a finished product tank;
the hypergravity rectifier comprises a driving motor, a planetary gear set, an inner cylinder, an outer cylinder and a bearing;
the top of the outer barrel is provided with an air outlet, the side wall of the outer barrel is provided with a steam port, a reflux port and a liquid inlet, the inner barrel is positioned in the cavity of the outer barrel, the bottom surface of the inner barrel is rotatably connected with the inner bottom surface of the outer barrel through the bearing, a partition plate is arranged in the cavity of the inner barrel, the bottom of the partition plate is provided with a plurality of fins, and the partition plate and the barrel wall of the inner barrel are both of a net structure;
the driving motor is fixedly connected to the top of the outer cylinder, a rotating shaft of the driving motor sequentially penetrates through the outer cylinder, the inner cylinder and the partition plate and then is connected with the liquid accumulating disc, the driving motor, the outer cylinder, the inner cylinder and the liquid accumulating disc are located on the same axis, a liquid accumulating groove is formed in the top of the liquid accumulating disc, and the fins extend into the liquid accumulating groove;
the planetary gear set comprises a driving gear, a transmission gear and a gear ring, the driving gear is positioned above the inner cylinder and sleeved on a rotating shaft of the driving motor, the transmission gear is rotatably connected to the top of the outer cylinder, the gear ring is fixedly connected to the top of the inner cylinder, and the driving gear, the transmission gear and the gear ring are sequentially meshed;
the outlet of the stock solution tank is communicated with a liquid inlet guide pipe of the hypergravity rectifier, the gas outlet of the hypergravity rectifier is communicated with two branch guide pipes, one branch guide pipe is communicated with the reflux port, the other branch guide pipe is communicated with the inlet of the condenser, and the outlet of the condenser is communicated with the inlet of the finished product tank.
2. The device for extracting DMF from reverse osmosis base membrane production wastewater according to claim 1, is characterized in that: the partition plates and the liquid accumulation discs are arranged at intervals in a multilayer mode.
3. The device for extracting DMF from reverse osmosis base membrane production wastewater according to claim 1, is characterized in that: the system also comprises a reboiler, and the reboiler is connected in parallel between the stock solution tank and the condenser through a conduit and the hypergravity rectifier.
4. The device for extracting DMF from reverse osmosis base membrane production wastewater according to claim 1, is characterized in that: and a flow meter and a flow regulating valve are connected in series on a branch conduit between the gas outlet and the reflux port of the supergravity fine retention device.
5. The device for extracting DMF from reverse osmosis base membrane production wastewater according to claim 1, is characterized in that: the top of finished product jar is equipped with the gas vent to be connected with the vacuum pump on the gas vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434508.XU CN211338870U (en) | 2020-07-21 | 2020-07-21 | A device that is arranged in reverse osmosis base film waste water to draw DMF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434508.XU CN211338870U (en) | 2020-07-21 | 2020-07-21 | A device that is arranged in reverse osmosis base film waste water to draw DMF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211338870U true CN211338870U (en) | 2020-08-25 |
Family
ID=72137755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021434508.XU Active CN211338870U (en) | 2020-07-21 | 2020-07-21 | A device that is arranged in reverse osmosis base film waste water to draw DMF |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211338870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505258A (en) * | 2020-12-17 | 2021-03-16 | 泉州市威互科技有限公司 | Efficient and convenient odor pollutant detection equipment |
-
2020
- 2020-07-21 CN CN202021434508.XU patent/CN211338870U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505258A (en) * | 2020-12-17 | 2021-03-16 | 泉州市威互科技有限公司 | Efficient and convenient odor pollutant detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106748651A (en) | A kind of coal-ethylene glycol process for refining and system | |
| CN211338870U (en) | A device that is arranged in reverse osmosis base film waste water to draw DMF | |
| CN101088975A (en) | Fuel alcohol dewatering apparatus and process | |
| CN204450061U (en) | A kind of aluminium strip cold-rolling mill with vibration separate equipment | |
| CN214571757U (en) | Solid acid-base catalysis biodiesel preparation production line | |
| CN214598890U (en) | Energy-saving environment-friendly vacuum device for producing water-based resin | |
| CN206381983U (en) | A kind of preparation facilities of the luxuriant mushroom polysaccharide of selenic acid esterification shuttle handle pine | |
| CN214244259U (en) | Trimethylolpropane diallyl ether separation and purification control device | |
| CN212560046U (en) | Process unit for removing phenol impurities in benzyl alcohol | |
| CN102249359A (en) | Waste water recycling device for paper making vacuum system and water saving method | |
| CN208825182U (en) | A kind of solid-state waste mineral oil disposal system | |
| CN103007559A (en) | Duplex centrifugal-film evaporator for preparing basic cupric carbonate | |
| CN203033781U (en) | Compound centrifugal film evaporator for preparing basic cupric carbonate | |
| CN203030019U (en) | Steam processing device for centrifugal film evaporator | |
| CN202072675U (en) | Recycling system of photovoltaic silicon slice waste cutting liquid | |
| CN205925329U (en) | Tail gas safe recovery device among spent lubricating oil regenerative process | |
| CN220125539U (en) | Tail gas recovery device of reciprocating vacuum pump | |
| CN213388634U (en) | Alcohol fermentation device | |
| CN220520189U (en) | TGIC washing wastewater recycling system | |
| CN220056426U (en) | Seawater separation and evaporation system | |
| CN204211489U (en) | Smart selenium equipment is produced in vacuum distilling | |
| CN219091129U (en) | 2-ethyl chloropropionate finished product rectification system | |
| CN212335077U (en) | Waste water methanol recovery device | |
| CN216427168U (en) | Industrial naphthalene distillation and flaking production system | |
| CN213994884U (en) | Polymer stabilizer is ethanol recovery unit for production facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |