CN201923997U - Polyethylene glycol purification and dehydration device - Google Patents
Polyethylene glycol purification and dehydration device Download PDFInfo
- Publication number
- CN201923997U CN201923997U CN2010206949614U CN201020694961U CN201923997U CN 201923997 U CN201923997 U CN 201923997U CN 2010206949614 U CN2010206949614 U CN 2010206949614U CN 201020694961 U CN201020694961 U CN 201020694961U CN 201923997 U CN201923997 U CN 201923997U
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- drying tower
- polyoxyethylene glycol
- polyethylene glycol
- dewatering unit
- thermopair
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Abstract
The utility model discloses a polyethylene glycol purification and dehydration device, which comprises a stock solution conveying system, a heating system, a water vapor extracting system and a spray purification system, wherein the spray purification system consists of a drying tower, an atomization spray head, a drying tower bottom conical body, an air inlet and a liquid discharge valve, the upper part of the drying tower is provided with a gas and liquid separator, a material inlet pipe is connected with the atomization spray head arranged at the top end of the drying tower, the heating system is arranged in the air inlet, the bottom end of the drying tower bottom conical body is provided with the liquid discharge valve, and a draught fan is connected with the upper part of one side of the drying tower through a draught pipe. The polyethylene glycol purification and dehydration device reduces the heating time required by the polyethylene glycol purification, the separation efficiency is improved, the polyethylene glycol yellowing caused by long-time high temperature and the damage to polyethylene glycol molecular chain structures are avoided, the product quality is improved, and the production cost is reduced.
Description
Technical field
The utility model discloses a kind of dewatering unit, particularly a kind of polyoxyethylene glycol purifying dewatering unit that comprises the purification system of spraying.
Background technology
Owing on using, performance index such as the planeness on solar silicon wafers surface, cleanliness factor, electroconductibility are had extremely strict requirement.So in the cutting process of solar silicon wafers, needs use the hardness height, granularity is little and the main cutting medium of the silicon carbide micro-powder of centralized particle diameter conduct.For silicon carbide micro-powder is uniformly dispersed in working angles, simultaneously can take away the huge heat of friction that produces in the working angles in time, usually needing to join with polyoxyethylene glycol (PEG) according to certain ratio silicon carbide micro-powder earlier is in the water-based or oiliness solar silicon wafers cutting liquid of main raw material, and disperseed fully, be configured to be used further to the silicon chip cutting behind the uniform and stable cutting mortar.
Use silicon carbide micro-powder as medium in solar silicon wafers line cutting process, whole mechanism is to make the silicon carbide micro-powder particle impact the silicon rod surface continuously and healthily, utilize the rigid characteristic and the sharp corner angle of silicon-carbide particle that silicon rod is progressively blocked, this process can be accompanied by bigger heat of friction and discharge, and broken silicon-carbide particle and the silicon grain that produces owing to the collision between silicon-carbide particle and the silicon rod and friction also will be sneaked in the cutting system simultaneously.Cut the influence that system temperature raises and warpage is taken place and its surface is influenced its smooth finish by particle over-mastication in small, broken bits for fear of the silicon chip that is cut out, must manage in time to take cutting heat and crushed particles out of the cutting system.The main effect of therefore cutting liquid is to make mortar have good flowability, silicon-carbide particle can disperse in the cutting system uniformly and stably, in the high-speed motion of steel wire with the cutting force field action of uniform and stable in the silicon rod surface, in time take away simultaneously cutting heat and crushed particles, to guarantee the surface quality of silicon chip.
Whole cutting process has proposed high requirement and technological standard to the quality of solar silicon wafers cutting liquid, because silicon chip cutting fluid is good with wetting property, the chip removal ability is strong and be major ingredient to the polyoxyethylene glycol that silicon carbide class abrasive material has a good dispersiveness.Thereby the performance of polyoxyethylene glycol plays unmatched effect to the course of processing of silicon chip cutting fluid itself and silicon chip.
Now, under the background of enterprise's low cost production and economic crisis, related industries is had higher requirement with the recovery quality product for the recovery ability of polyoxyethylene glycol.Sun power cutting liquid PEG (polyoxyethylene glycol) is in reclaiming the course of processing, it is long to adopt common evaporation equipment or reduction vaporization equipment all to exist heat-up time, inefficient drawback, simultaneously because PEG can cause its colour changed into yellow in the long heat-processed of high temperature, molecular structure destroys and influences quality product.
The utility model content
Technical problem to be solved in the utility model is that sun power cutting liquid PEG is in reclaiming the course of processing, it is long to adopt common evaporation equipment or reduction vaporization equipment all to exist heat-up time, inefficient drawback, simultaneously because PEG can cause its colour changed into yellow in the long heat-processed of high temperature, molecular structure destroys and influences quality product.
Provide a kind of polyoxyethylene glycol purifying dewatering unit at above problem the utility model, comprise the stoste delivery system, heating system and water vapour are extracted system out, described stoste delivery system comprises original liquid box, high-pressure pump, valve, strainer, under meter and tensimeter, described water vapour extraction system comprises induced draft fan, exhaust outlet, the air inducing variable valve, induced exhaust and thermopair, it is characterized in that: also comprise the spraying purification system in the described polyoxyethylene glycol purifying dewatering unit, the spraying purification system comprises drying tower, atomizer, drying tower bottom cone-shaped body, tapping valve, the hot blast variable valve, electric heating body, thermopair and air blast inlet at the bottom of the tower, the stoste delivery system is connected with the spraying purification system by feed-pipe, water vapour is extracted system out and is connected with the spraying purification system by induced exhaust, the feed-pipe of stoste delivery system is connected with drying tower top atomizer, the drying tower top is provided with gas-liquid separator, heating system is arranged at drying tower bottom cone-shaped body edge, and be connected with the air blast inlet of drying tower, the bottom of drying tower bottom cone-shaped body is provided with tapping valve, induced draft fan is connected with a upper lateral part of drying tower by induced exhaust, heating unit in the described air blast inlet is an electric heating body, be provided with thermopair in the described induced exhaust, cone-shaped body place, described air blast inlet and drying tower bottom is provided with thermopair at the bottom of the tower.
Polyoxyethylene glycol purifying dewatering unit disclosed in the utility model, PEG reclaims in the processing at sun power cutting liquid.Reduced polyoxyethylene glycol purifying needed heat-up time, improved separation efficiency, can regulate the flow and the control of hot blast size of liquid, obtained the quality and the output of desired product according to the height of different oil-water mixture characteristics and water ratio.Avoided polyoxyethylene glycol because long-time heat flavescence and PEG molecular chain structure are destroyed, improved the quality of products, reduced production costs.
Description of drawings
Fig. 1 polyoxyethylene glycol purifying dewatering unit structure iron.
Fig. 2 polyoxyethylene glycol purifying dewatering unit two-stage atomizing dehydration experiment table.
Reference numeral such as following table:
1 induced draft fan, 2 exhaust outlets, 3 air inducing variable valve
4 induced exhausts, 5 thermopairs, 6 feed-pipes
7 atomizers, 8 drying towers, 9 drying towers bottom cone-shaped body
10 tapping valves, 11 hot blast variable valve, 12 electric heating bodies
13 thermopairs, 14 air blast inlets, 15 tensimeters
16 under meters, 17 strainers, 18 valves
19 high-pressure pump, 20 original liquid boxs, 21 gas-liquid separators.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
The utility model provides a kind of polyoxyethylene glycol purifying dewatering unit, comprise the stoste delivery system, heating system and water vapour are extracted system out, described stoste delivery system comprises original liquid box 20, high-pressure pump 19, valve 18, strainer 17, under meter 16 and tensimeter 15, described water vapour extraction system comprises induced draft fan 1, exhaust outlet 2, air inducing variable valve 3, induced exhaust 4 and thermopair 5, it is characterized in that: also comprise the spraying purification system in the described polyoxyethylene glycol purifying dewatering unit, the spraying purification system comprises drying tower 8, atomizer 7, drying tower bottom cone-shaped body 9, tapping valve 10, hot blast variable valve 11, electric heating body 12, thermopair 13 and air blast inlet 14 at the bottom of the tower, the stoste delivery system is connected with the spraying purification system by feed-pipe 6, water vapour is extracted system out and is connected with the spraying purification system by induced exhaust 4, the feed-pipe 6 of stoste delivery system is connected with drying tower top atomizer 7, drying tower 8 tops are provided with gas-liquid separator 21, heating system is arranged at drying tower bottom cone-shaped body 9 edges, and be connected with the air blast inlet 14 of drying tower 8, the bottom of drying tower bottom cone-shaped body 9 is provided with tapping valve 10, induced draft fan 1 is connected with a upper lateral part of drying tower 8 by induced exhaust 4, heating unit in the described air blast inlet 14 is an electric heating body, be provided with thermopair 5 in the described induced exhaust 4, described air blast inlet 14 and cone-shaped body 9 places, drying tower bottom are provided with thermopair 13 at the bottom of the tower.
The working process of described polyoxyethylene glycol purifying dewatering unit is, stoste is carried by high-pressure pump 19, filter through strainer 17, by tensimeter 15, under meter 16 and valve 18 control stock solution flows, enter drying tower 8 by feed-pipe 6, through atomizer 7 back atomizings, become the trickle vaporific slowly free-falling from top to bottom of particle, fresh air is by hot blast variable valve 11 dominant discharge, enter air blast inlet 14 after electric heating body 12 heating under the effect of induced draft fan 1, entering tower body by drying tower 8 bottoms flows out to the top, the small profit mixture of free-falling is constantly heated under hot air acting, the realization polyoxyethylene glycol separates with moisture, moisture is gasified separates liquid phase along air-flow through gas-liquid separator 21, enter outside the exhaust outlet 2 discharge towers from the induced exhaust 4 of drying tower one side, oily matter is then collected the back by tapping valve 10 discharges by drying tower bottom cone-shaped body 9.Thereby this process constantly obtains required material from the multiple continuous decomposing, purifying of oil-water mixture.
As shown in Figure 2, in induced draft fan 1 air inducing frequency is 45Hz, negative pressure is 30-50Pa in drying tower 8 towers, and the feed rate in the feed-pipe 6 is 250-300L/h, and the inlet air temperature in the air blast inlet 14 is 220-240 ℃, outlet air temperature in the induced exhaust 4 is 85-90 ℃, with this understanding, the stoste of one-level atomizing is moisture 15%, and the water ratio of parting liquid is 5%, proceed secondary atomizing and separate, then the atomize water ratio of isolating parting liquid of secondary is 0.40%.
According to above content, can see polyoxyethylene glycol purifying dewatering unit disclosed in the utility model, PEG reclaims in the processing at sun power cutting liquid, reduced polyoxyethylene glycol purifying needed heat-up time, improve separation efficiency, can be according to the height of different oil-water mixture characteristics and water ratio, regulate the flow and the control of hot blast size of liquid, obtain the quality and the output of desired product, avoided polyoxyethylene glycol because long-time heat flavescence, molecular chain structure is destroyed, and improves the quality of products, and reduces production costs.
Claims (4)
1. polyoxyethylene glycol purifying dewatering unit, comprise the stoste delivery system, heating system and water vapour are extracted system out, described stoste delivery system comprises original liquid box (20), high-pressure pump (19), valve (18), strainer (17), under meter (16) and tensimeter (15), described water vapour extraction system comprises induced draft fan (1), exhaust outlet (2), air inducing variable valve (3), induced exhaust (4) and thermopair (5), it is characterized in that: also comprise the spraying purification system in the described polyoxyethylene glycol purifying dewatering unit, the spraying purification system comprises drying tower (8), atomizer (7), drying tower bottom cone-shaped body (9), tapping valve (10), hot blast variable valve (11), electric heating body (12), thermopair at the bottom of the tower (13) and air blast inlet (14), the stoste delivery system is connected with the spraying purification system by feed-pipe (6), water vapour extraction system is connected with the spraying purification system by induced exhaust (4), the feed-pipe of stoste delivery system (6) is connected with drying tower top atomizer (7), drying tower (8) top is provided with gas-liquid separator (21), heating system is arranged at drying tower bottom cone-shaped body (9) edge, and be connected with the air blast inlet (14) of drying tower (8), the bottom of drying tower bottom cone-shaped body (9) is provided with tapping valve (10), and induced draft fan (1) is connected by the upper lateral part of induced exhaust (4) with drying tower (8).
2. polyoxyethylene glycol purifying dewatering unit according to claim 1 is characterized in that: the heating unit in the described air blast inlet (14) is an electric heating body.
3. polyoxyethylene glycol purifying dewatering unit according to claim 1 is characterized in that: described induced exhaust (4) is provided with thermopair (5) with drying tower (8) junction.
4. polyoxyethylene glycol purifying dewatering unit according to claim 1 and 2 is characterized in that: described air blast inlet (14) and drying tower bottom cone-shaped body (9) locates to be provided with thermopair (13) at the bottom of the tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206949614U CN201923997U (en) | 2010-12-31 | 2010-12-31 | Polyethylene glycol purification and dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206949614U CN201923997U (en) | 2010-12-31 | 2010-12-31 | Polyethylene glycol purification and dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923997U true CN201923997U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206949614U Expired - Fee Related CN201923997U (en) | 2010-12-31 | 2010-12-31 | Polyethylene glycol purification and dehydration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201923997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766522A (en) * | 2012-08-09 | 2012-11-07 | 青岛海林电子材料科技有限公司 | Process and device for dehydrating cutting fluid |
| CN106794384A (en) * | 2014-08-28 | 2017-05-31 | 斯凯孚海运有限公司 | Vapo(u)rization system, method of evaporating and sealing system |
-
2010
- 2010-12-31 CN CN2010206949614U patent/CN201923997U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766522A (en) * | 2012-08-09 | 2012-11-07 | 青岛海林电子材料科技有限公司 | Process and device for dehydrating cutting fluid |
| CN106794384A (en) * | 2014-08-28 | 2017-05-31 | 斯凯孚海运有限公司 | Vapo(u)rization system, method of evaporating and sealing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20171231 |