CN204125438U - A kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique - Google Patents
A kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique Download PDFInfo
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- CN204125438U CN204125438U CN201420577273.8U CN201420577273U CN204125438U CN 204125438 U CN204125438 U CN 204125438U CN 201420577273 U CN201420577273 U CN 201420577273U CN 204125438 U CN204125438 U CN 204125438U
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- water
- degreasing
- dewaxing
- cooling
- water tank
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Abstract
The utility model provides a kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique, degreasing chilled water tank and dewaxing chilled water tank is provided with in this system, division plate degreasing chilled water tank being divided into cooling water cavity and refrigeration water cavity is provided with in degreasing chilled water tank, the water-in of cooling water cavity is communicated with the water outlet of freezing unit, water outlet is communicated with the water-in of degreasing crystallizing pan, composition degreasing cooling line, the water-in of refrigeration water cavity is communicated with the water outlet of degreasing crystallizing pan, water outlet is communicated with the water-in of freezing unit, composition degreasing refrigeration pipe; Dewaxing chilled water tank inner-heating tube, the two ends of heat transfer tube are stretched out dewaxing chilled water tank and are communicated with degreasing refrigeration pipe, composition dewaxing refrigerant circuit, and dewaxing chilled water tank to be dewaxed crystallizing pan by cross current, and composition dewaxes cooling loop; In this system, degreasing cooling loop does not communicate with dewaxing cooling loop, good cooling results; Pipeline structure is simple, and freezing unit quantity is few, and cooling cost is low.
Description
Technical field
The utility model relates to a kind of for winterization treatment system in oil and fat refining process, is specifically related to a kind of cooling water recirculation system for degreasing dewaxing technique.
Background technology
The wax content of Rice pollard oil is higher, because wax can affect grease transparency under cryogenic in grease, reduces the smoke point of grease, digesting and assimilating of unfavorable grease; Except containing except wax in Rice pollard oil, also containing a certain amount of solid fat, these solid fat at low temperatures can crystallization, grease is made to become muddy, even there is solid-liquid demixing phenomenon, affect oil product outward appearance, see " leaching refining of crude rice bran oil technique and refractory gold ores ", therefore need in refining of crude rice bran oil process to carry out winterization process, degreasing and dewaxing are carried out to Rice pollard oil, all need cooling water circulation refrigeration in degreasing and dewaxing technique, the crystallizing pan wherein for degreasing process requires that temperature is at about 5 DEG C, and the envrionment temperature for the crystallizing pan of dewaxing technique requires at about 25 DEG C.
General oily factory generally adopts well water or cooling tower to lower the temperature to degreasing crystallizing pan and dewaxing crystallizing pan in winter, be connected in series freezing unit in summer to lower the temperature to degreasing crystallizing pan and dewaxing crystallizing pan, cooling fluid multiselect good effect of heat exchange but expensive ethylene glycol; In actual production, because degreasing is different with the temperature that dewaxing technique requires, often use two cover cooling systems, the pipeline therefore used is various, and cooling tower quantity is many, and pipeline structure is complicated, and installation cost is high, and waste water resource; Chinese patent " edible oil energy saving and environment friendly winterization technique " (patent No.: CN201210292822) discloses the technique of de-(wax) fat of a kind of edible oil, ethylene glycol mixture is used to replace freonll-11 as refrigerant, ethylene glycol mixture circulates as crystallization, maturator carry out heat exchange in the duct, the environmental problem that the leakage of the army's of connecing freonll-11 brings, but during using ethylene glycol mixture as cooling fluid, get involved owing to there being other liquid, ethylene glycol is difficult to reclaim, and greatly increases the cost of grease winterization technique!
Summary of the invention
The purpose of this utility model is solve the deficiencies in the prior art and provide a kind of cooling water recirculation system for degreasing dewaxing technique, and the cooling loop that this cooling water recirculation system can realize degreasing and dewaxing technique is separated from each other, saving water resource and cooling fluid.
Realizing the technical scheme that the utility model object adopts is, a kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique, at least comprise the degreasing crystallizing pan connected by water pipe, dewaxing crystallizing pan, chilled water tank and freezing unit, described chilled water tank is provided with two, be respectively degreasing chilled water tank and dewaxing chilled water tank, division plate is provided with in degreasing chilled water tank, degreasing chilled water tank is divided into by division plate, lower two portions, be respectively cooling water cavity and refrigeration water cavity, cooling water cavity and refrigeration water cavity are equipped with water-in and water outlet, the water-in of cooling water cavity passes through the water outlet of the freezing unit of cross current, water outlet is by the water-in of cross current degreasing crystallizing pan, composition degreasing cooling line, the water-in of refrigeration water cavity passes through the water outlet of cross current degreasing crystallizing pan, water outlet is by the water-in of the freezing unit of cross current, composition degreasing refrigeration pipe, described dewaxing chilled water tank inner-heating tube, heat transfer tube is snakelike heat exchange tube, the two ends of heat transfer tube are stretched out dewaxing chilled water tank and are communicated with degreasing refrigeration pipe, composition dewaxing refrigerant circuit, dewaxing chilled water tank to be dewaxed crystallizing pan by cross current, recirculated water in dewaxing chilled water tank circulates in dewaxing chilled water tank and dewaxing crystallizing pan, composition dewaxing cooling loop.
The water pipe be communicated with water-in is equipped with water pump.
The water pipe be communicated with water-in is equipped with thermometer.
The cooling fluid of described freezing unit is purified ethylene glycol.
Heat transfer tube two ends stretch out dewaxing chilled water tank water pipe on be equipped with magnetic valve.
As shown from the above technical solution, the utility model provides cooling water recirculation system, be provided with chilled water tank and dewaxing chilled water tank two chilled water tanks, division plate is provided with in degreasing chilled water tank, division plate is by degreasing chilled water tank segmentation cooling water cavity and refrigeration water cavity, the water-in of cooling water cavity is communicated with the water outlet of freezing unit, water outlet is communicated with the water-in of degreasing crystallizing pan, composition degreasing cooling line, the water-in of refrigeration water cavity is communicated with the water outlet of degreasing crystallizing pan, water outlet is communicated with the water-in of freezing unit, composition degreasing refrigeration pipe, degreasing cooling line and degreasing refrigeration pipe form degreasing cooling loop, dewaxing chilled water tank inner-heating tube, heat transfer tube is communicated with degreasing refrigeration pipe by water pipe, dewaxing chilled water tank to be dewaxed crystallizing pan by cross current, recirculated water in dewaxing chilled water tank circulates in dewaxing chilled water tank and dewaxing crystallizing pan, composition dewaxing cooling loop, utilize dewaxing, the temperature head of envrionment temperature needed for degreasing process, cold water in degreasing crystallizing pan rising pipe is passed into the water coolant of heat transfer tube to dewaxing technique cool, decrease freezing unit quantity, simplify pipeline structure, degreasing cooling loop and dewaxing cooling loop have been separated simultaneously.
Cooling water recirculation system adopts purified ethylene glycol as the cooling fluid of freezing unit, ethylene glycol circulates in the pipeline of freezing unit, realize the cold exchange of water coolant in freezing unit refrigeration part and freezing unit, ethylene glycol is all the time in the pipeline of freezing unit, do not contact with refrigerated water, the purity of the ethylene glycol that therefore ensure that, cooling fluid can be recycled; Cooling water recirculation system adopts water as secondary refrigerant, greatly reduces cooling cost; Due to the mode that dewaxing, degreasing process all adopt water cycle to freeze, thus do not need to introduce external source.
Compared with prior art, the beneficial effects of the utility model are, in this cooling water recirculation system, degreasing cooling loop does not communicate with dewaxing cooling loop, good cooling results; Pipeline structure is simple, and freezing unit quantity is few, and cooling cost is low; External source is not introduced, saving water resource in cooling water recirculation system.
Accompanying drawing explanation
The cooling water recirculation system structural representation that Fig. 1 provides for the utility model.
Fig. 2 is the structural representation of degreasing chilled water tank.
Wherein, 1-degreasing crystallizing pan, 2-degreasing chilled water tank, 21-division plate, 22-cooling water cavity.23-freezes water cavity, the freezing unit of 3-, and 4-dewaxes chilled water tank, 5-snakelike heat exchange tube, and 6-dewaxes crystallizing pan, 7-magnetic valve, 8-water pump, 9-thermometer.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is illustrated in detail.
The cooling water recirculation system for grease winterization process degreasing dewaxing technique that the utility model provides, its structure as shown in Figure 1, chilled water tank is provided with two, be respectively degreasing chilled water tank 2 and dewaxing chilled water tank 4, the structure of degreasing chilled water tank as shown in Figure 2, division plate 21 is provided with in degreasing chilled water tank, degreasing chilled water tank is divided into by division plate, lower two portions, be respectively cooling water cavity 22 and refrigeration water cavity 23, cooling water cavity and refrigeration water cavity are equipped with water-in and water outlet, the water-in of cooling water cavity passes through the water outlet of the freezing unit 3 of cross current, water outlet is by the water-in of cross current degreasing crystallizing pan 1, composition degreasing cooling line, the water-in of refrigeration water cavity passes through the water outlet of cross current degreasing crystallizing pan, water outlet is by the water-in of the freezing unit of cross current, composition degreasing refrigeration pipe, degreasing cooling line and degreasing refrigeration pipe form degreasing cooling loop, the water pipe be communicated with water-in is equipped with water pump 8 and thermometer 9, cooling fluid in freezing unit is purified ethylene glycol, described dewaxing chilled water tank inner-heating tube, heat transfer tube is snakelike heat exchange tube 5, the two ends of heat transfer tube are stretched out dewaxing chilled water tank and are communicated with degreasing refrigeration pipe, composition dewaxing refrigerant circuit, heat transfer tube two ends stretch out dewaxing chilled water tank water pipe on be equipped with magnetic valve 7, dewaxing chilled water tank is by cross current dewaxing crystallizing pan 6, recirculated water in dewaxing chilled water tank circulates in dewaxing chilled water tank and dewaxing crystallizing pan, composition dewaxing cooling loop, degreasing cooling loop does not communicate with dewaxing cooling loop.
In practical application, water coolant cools in freezing unit, and when temperature reaches degreasing process requirement, open water pump, water coolant circulates in the pipeline of degreasing cooling loop, is the cooling of degreasing crystallizing pan, and the solid fat in oil is separated out; Open magnetic valve, water section in degreasing crystallizing pan rising pipe flow in the snakelike heat exchange tube of dewaxing chilled water tank, water coolant in dewaxing chilled water tank is cooled, water coolant in dewaxing chilled water tank circulates in the pipeline of dewaxing cooling loop, for the cooling of dewaxing crystallizing pan, what make in oil is wax precipitation.
Claims (5)
1. the cooling water recirculation system for grease winterization process degreasing dewaxing technique, at least comprise the degreasing crystallizing pan connected by water pipe, dewaxing crystallizing pan, chilled water tank and freezing unit, it is characterized in that: described chilled water tank is provided with two, be respectively degreasing chilled water tank and dewaxing chilled water tank, division plate is provided with in degreasing chilled water tank, degreasing chilled water tank is divided into by division plate, lower two portions, be respectively cooling water cavity and refrigeration water cavity, cooling water cavity and refrigeration water cavity are equipped with water-in and water outlet, the water-in of cooling water cavity passes through the water outlet of the freezing unit of cross current, water outlet is by the water-in of cross current degreasing crystallizing pan, composition degreasing cooling line, the water-in of refrigeration water cavity passes through the water outlet of cross current degreasing crystallizing pan, water outlet is by the water-in of the freezing unit of cross current, composition degreasing refrigeration pipe, described dewaxing chilled water tank inner-heating tube, heat transfer tube is snakelike heat exchange tube, the two ends of heat transfer tube are stretched out dewaxing chilled water tank and are communicated with degreasing refrigeration pipe, composition dewaxing refrigerant circuit, dewaxing chilled water tank to be dewaxed crystallizing pan by cross current, recirculated water in dewaxing chilled water tank circulates in dewaxing chilled water tank and dewaxing crystallizing pan, composition dewaxing cooling loop.
2. the cooling water recirculation system for grease winterization process degreasing dewaxing technique according to claim 1, is characterized in that: the water pipe be communicated with water-in is equipped with water pump.
3. the cooling water recirculation system for grease winterization process degreasing dewaxing technique according to claim 1, is characterized in that: the water pipe be communicated with water-in is equipped with thermometer.
4. the cooling water recirculation system for grease winterization process degreasing dewaxing technique according to claim 1, is characterized in that: the cooling fluid of described freezing unit is purified ethylene glycol.
5. the cooling water recirculation system for grease winterization process degreasing dewaxing technique according to claim 1, is characterized in that: heat transfer tube two ends stretch out dewaxing chilled water tank water pipe on be equipped with magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577273.8U CN204125438U (en) | 2014-09-30 | 2014-09-30 | A kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577273.8U CN204125438U (en) | 2014-09-30 | 2014-09-30 | A kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique |
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| CN204125438U true CN204125438U (en) | 2015-01-28 |
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|---|---|---|---|
| CN201420577273.8U Expired - Fee Related CN204125438U (en) | 2014-09-30 | 2014-09-30 | A kind of cooling water recirculation system for grease winterization process degreasing dewaxing technique |
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| CN (1) | CN204125438U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566652A (en) * | 2016-10-20 | 2017-04-19 | 永兴泰宇茶油有限公司 | Camellia seed oil winterization method and device |
| CN106987310A (en) * | 2017-05-02 | 2017-07-28 | 大团结农业股份有限公司 | A kind of the rim of a bowl falling type Multi-layer heat radiator |
| CN107238254A (en) * | 2017-07-18 | 2017-10-10 | 冯亮 | One kind squeezing vegetable oil Quick cooling equipment |
-
2014
- 2014-09-30 CN CN201420577273.8U patent/CN204125438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566652A (en) * | 2016-10-20 | 2017-04-19 | 永兴泰宇茶油有限公司 | Camellia seed oil winterization method and device |
| CN106987310A (en) * | 2017-05-02 | 2017-07-28 | 大团结农业股份有限公司 | A kind of the rim of a bowl falling type Multi-layer heat radiator |
| CN107238254A (en) * | 2017-07-18 | 2017-10-10 | 冯亮 | One kind squeezing vegetable oil Quick cooling equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20180930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |