CN110645725A - Low-temperature freezing and filtering system - Google Patents
Low-temperature freezing and filtering system Download PDFInfo
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- CN110645725A CN110645725A CN201910934297.1A CN201910934297A CN110645725A CN 110645725 A CN110645725 A CN 110645725A CN 201910934297 A CN201910934297 A CN 201910934297A CN 110645725 A CN110645725 A CN 110645725A
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- 238000001914 filtration Methods 0.000 title claims abstract description 48
- 238000007710 freezing Methods 0.000 title claims abstract description 12
- 230000008014 freezing Effects 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000012528 membrane Substances 0.000 claims description 28
- 239000003507 refrigerant Substances 0.000 claims description 20
- 239000004964 aerogel Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 12
- -1 polypropylene Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 abstract 4
- 239000005909 Kieselgur Substances 0.000 abstract 2
- 239000008187 granular material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- 150000002632 lipids Chemical class 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000011550 stock solution Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 238000009924 canning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- XIRNKXNNONJFQO-UHFFFAOYSA-N ethyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC XIRNKXNNONJFQO-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- LVGKNOAMLMIIKO-UHFFFAOYSA-N Elaidinsaeure-aethylester Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC LVGKNOAMLMIIKO-UHFFFAOYSA-N 0.000 description 1
- 238000013124 brewing process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000678 effect on lipid Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- FMMOOAYVCKXGMF-MURFETPASA-N ethyl linoleate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(=O)OCC FMMOOAYVCKXGMF-MURFETPASA-N 0.000 description 1
- 229940031016 ethyl linoleate Drugs 0.000 description 1
- LVGKNOAMLMIIKO-QXMHVHEDSA-N ethyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC LVGKNOAMLMIIKO-QXMHVHEDSA-N 0.000 description 1
- 229940093471 ethyl oleate Drugs 0.000 description 1
- 229940067592 ethyl palmitate Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- FMMOOAYVCKXGMF-UHFFFAOYSA-N linoleic acid ethyl ester Natural products CCCCCC=CCC=CCCCCCCCC(=O)OCC FMMOOAYVCKXGMF-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
- C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
- C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
- C12H1/06—Precipitation by physical means, e.g. by irradiation, vibrations
- C12H1/063—Separation by filtration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
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Abstract
The invention relates to a low-temperature freezing and filtering system which comprises a raw liquid tank, a cold-heat exchange mechanism, a first transfer tank, a second transfer tank, a diatomite filter, a first fine filter, a second fine filter, a first sedimentation tank, a second sedimentation tank and a finished product tank, wherein the first transfer tank and the second transfer tank are arranged in parallel, the first fine filter and the second fine filter are arranged in series, and the first sedimentation tank and the second sedimentation tank are arranged in parallel. This filtration system arranges the parallelly connected at the one end that row material pipeline carried on the back mutually with the diatomaceous earth filter and has set up two at least gunbarrel, utilizes the gunbarrel to get rid of the inside diatomaceous earth granule of sneaking into of wine body, has effectively avoided follow-up secondary filter to take place to block up or the condition such as damage. And the liquid outlet of each settling tank is respectively communicated with the second returning pipeline through a valve, the settled wine body is conveyed to the cold-heat exchange mechanism through the feeding pipeline, the cold-heat exchange mechanism carries out cooling treatment on the wine body, and finally the cooled wine body is conveyed to the fine filter.
Description
Technical Field
The invention relates to a liquid low-temperature separation treatment technology, in particular to a low-temperature freezing and filtering system.
Background
Lipid substances, such as ethyl palmitate, ethyl oleate, ethyl linoleate and the like, are inevitably generated in the wine brewing process, and the lipid substances can be dissolved in wine at normal temperature, but can be separated out from the wine at low temperature or in the case of cooling to form white floccules, so that the wine is turbid. In order to remove lipid substances from the wine body, the wine body is generally subjected to low-temperature freezing treatment to reduce the temperature of the wine body, so that the lipid substances are separated out from the wine body, and then the lipid substances are filtered by a diatomite filter. Although the diatomite filter has a good filtering effect on lipid substances in the wine body, the problem that part of diatomite particles are mixed into the wine body again and are not removed in time easily to cause blockage of a subsequent fine filter, influence on normal use of the fine filter or shorten the service life of the fine filter and increase production cost can not be avoided. Moreover, in the existing wine body low-temperature filtering system, in order to ensure that the wine body is always in a low-temperature state when passing through the diatomite filter and the fine filter, a plurality of cold and heat exchange mechanisms are generally required to be arranged on the wine body transmission direction at the same time so as to realize the repeated cooling treatment of the wine body. Set up a plurality of cold and hot exchange mechanism in the wine body transmission direction and not only improved equipment cost, also increased the installation simultaneously and maintained the degree of difficulty, increased workman's intensity of labour.
Disclosure of Invention
The invention provides a low-temperature freezing and filtering system for solving the technical problems, which comprises a raw liquid tank, a cold-heat exchange mechanism, a first transfer tank, a second transfer tank, a diatomite filter and a first fine filter, wherein the raw liquid tank is connected with the cold-heat exchange mechanism; the liquid outlet of the stock solution tank is communicated with the liquid inlet of the cold-heat exchange mechanism through a feed pipeline, the feed pipeline is sequentially provided with a first valve, a first motor and a second valve, and the liquid outlet of the cold-heat exchange mechanism is respectively communicated with the liquid inlet of the first transfer tank and the liquid inlet of the second transfer tank through a third valve and a fourth valve; the feeding pipeline is also connected with a first return pipeline between the second valve and a liquid inlet of the cold-heat exchange mechanism, one end of the first return pipeline is communicated with the liquid inlet of the cold-heat exchange mechanism, the other end of the first return pipeline is respectively communicated with a liquid outlet of the first transfer tank and a liquid outlet of the second transfer tank through a fifth valve and a sixth valve, and the first return pipeline is provided with a second motor and a seventh valve;
a first branch pipeline is connected between the liquid outlet of the first transfer tank and the fifth valve, one end of the first branch pipeline is communicated with the liquid outlet of the first transfer tank, and the other end of the first branch pipeline is communicated with the liquid inlet of the diatomite filter; a second branch pipeline is connected between the liquid outlet of the second transfer tank and the sixth valve, one end of the second branch pipeline is communicated with the liquid outlet of the second transfer tank, the other end of the second branch pipeline is communicated with the liquid inlet of the diatomite filter, and the first branch pipeline and the second branch pipeline are respectively provided with an eighth valve and a ninth valve;
the liquid outlet of the diatomite filter is connected with a discharge pipeline, one end of the discharge pipeline, which is opposite to the liquid outlet of the diatomite filter, is respectively communicated with the liquid inlets of the first settling tank, the second settling tank and the finished product tank through a tenth valve, an eleventh valve and a twelfth valve, and a third motor is arranged on the discharge pipeline; a second return pipeline is connected between the first motor and the first valve through the feeding pipeline, and the liquid outlet of the first settling tank and the liquid outlet of the second settling tank are respectively communicated with the second return pipeline through a thirteenth valve and a fourteenth valve;
and the first transfer tank and the second transfer tank are respectively provided with a fine filtration output port, the fine filtration output ports on the first transfer tank and the second transfer tank are respectively connected with one end of a fourth motor through a fifteenth valve and a sixteenth valve, the other end of the fourth motor is communicated with a liquid inlet of the first fine filter, and a liquid outlet of the first fine filter is communicated with a discharge pipeline through a seventeenth valve.
The device further comprises a second fine filter, the second fine filter is arranged between the liquid outlet of the first fine filter and the seventeenth valve, the liquid inlet of the second fine filter is communicated with the liquid outlet of the first fine filter through an eighteenth valve, and the liquid outlet of the second fine filter is connected with the seventeenth valve.
Further, be provided with aerogel filtration membrane group in the second secondary filter, aerogel filtration membrane group includes the base cloth, the base cloth both sides are equipped with the aerogel filter layer respectively, the aerogel filter layer is provided with microfiltration membrane in the one side of carrying on the back mutually with the base cloth.
Furthermore, a nylon microporous filter membrane is arranged in the second fine filter, and the aperture of the nylon microporous filter membrane is 0.2-0.5 μm.
Furthermore, a polypropylene filter membrane is arranged in the first fine filter, and is made of polypropylene superfine fibers through hot melting adhesion.
Further, the wine feeding device further comprises a cold-heat exchanger, and the cold-heat exchanger is used for enabling the wine body in the feeding pipeline and the wine body in the discharging pipeline to exchange heat.
Further, cold and hot exchanger includes heat conduction block and heat preservation, heat conduction block is inside offer with charge-in pipeline, arrange row's pipeline assorted first pore structure and second pore structure, the heat preservation parcel is outside at heat conduction block for reduce the heat exchange rate between heat conduction block and the environment.
Furthermore, the cold-heat exchange mechanism is provided with a refrigerant tank, a cold-heat exchange module and a compressor, the refrigerant tank is used for cooling the cold-heat exchange mechanism, and the compressor and the refrigerant tank are subjected to heat exchange through the cold-heat exchange module, so that the refrigerant tank has a cooling function.
Further, the first transfer tank and the second transfer tank are respectively provided with a temperature detection device; and a liquid outlet of the finished product tank is provided with a metering device.
The invention has the following beneficial technical effects:
compared with the prior art, the invention discloses a low-temperature freezing and filtering system, two transfer tanks are arranged between a diatomite filter and a cold-heat exchange mechanism in parallel, at least two settling tanks are arranged at one end of a discharge pipeline, which is opposite to the diatomite filter, in parallel, and diatomite particles mixed in a wine body are removed by utilizing the settling tanks, so that the conditions of blockage or damage and the like of a subsequent fine filter are effectively avoided. And, the liquid outlet of each gunbarrel is linked together with the second through the valve respectively and is loopbacked the pipeline, make the wine body after deposiing pass back the pipeline again and get back to the charge-in pipeline through the second, carry the wine body after deposiing to cold and hot exchange mechanism again by the charge-in pipeline, and cold and hot exchange mechanism carries out cooling treatment to it, just at last send the wine body after cooling treatment to the secondary filter and carry out the essence, whole filtration system only need set up a cold and hot exchange mechanism and just can satisfy the cooling treatment many times to the wine body, and not only equipment cost is reduced, and the installation and the maintenance degree of difficulty have also been reduced simultaneously. Most importantly, the two transfer tanks arranged in parallel and the two settling tanks arranged in parallel realize the continuous operation of the system, and are beneficial to improving the working efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of a cryogenic freezing filtration system in example 1.
Fig. 2 is a schematic view of the connection relationship between the heat and cold exchange mechanism, the refrigerant tank, the heat and cold exchange module, and the compressor in embodiment 1.
FIG. 3 is a schematic view showing the structure of the aerogel filtration membrane module in example 1.
Fig. 4 is a schematic view of the internal structure of the cold heat exchanger according to embodiment 1.
Reference numerals:
1-a raw liquid tank, 2-a cold and heat exchange mechanism, 3-a first transfer tank, 4-a second transfer tank, 5-a diatomite filter, 6-a first fine filter, 7-a feeding pipeline, 8-a first valve, 9-a first motor, 10-a second valve, 11-a third valve, 12-a fourth valve, 13-a first return pipeline, 14-a fifth valve, 15-a sixth valve, 16-a second motor, 17-a seventh valve, 18-a first branch pipeline, 19-a second branch pipeline, 20-an eighth valve, 21-a ninth valve, 22-a discharge pipeline, 23-a tenth valve, 24-an eleventh valve, 25-a twelfth valve, 26-a first settling tank, 27-a second settling tank, 28-a finished product tank, 29-a third motor, 30-a second return pipeline, 31-a thirteenth valve, 32-a fourteenth valve, 33-a fifteenth valve, 34-a sixteenth valve, 35-a seventeenth valve, 36-a second fine filter, 37-an eighteenth valve, 38-a cold-heat exchanger, 39-a nineteenth valve, 40-a fourth motor, 41-a twentieth valve, 42-a refrigerant tank, 43-a cold-heat exchange module, 44-a compressor, 45-a fifth motor, 46-a sixth motor, 47-base cloth, 48-an aerogel filter layer, 49-a microporous filter membrane, 50-a heat conduction block, 51-a heat preservation layer, 52-a first pore structure and 53-a second pore structure.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand for those skilled in the art and will therefore make the scope of the invention more clearly defined.
Example 1:
as shown in fig. 1, the present embodiment provides a cryogenic freezing and filtering system, which includes a raw liquid tank 1, a heat exchange mechanism 2, a first transfer tank 3, a second transfer tank 4, a diatomite filter 5 and a first fine filter 6. The liquid outlet of the stock solution tank 1 is communicated with the liquid inlet of the cold and heat exchange mechanism 2 through a feeding pipeline 7, and the feeding pipeline 7 is sequentially provided with a first valve 8, a first motor 9 and a second valve 10. The liquid outlet of the cold-heat exchange mechanism 2 is respectively communicated with the liquid inlet of the first transfer tank 3 and the liquid inlet of the second transfer tank 4 through a third valve 11 and a fourth valve 12, namely, the wine body passing through the cold-heat exchange mechanism 2 can selectively enter the first transfer tank 3 and also can selectively enter the second transfer tank 4. The feeding pipeline 7 is also connected with a first returning pipeline 13 between the second valve 10 and a liquid inlet of the heat and cold exchanging mechanism 2, and the first returning pipeline 13 is used for conveying the wine in the transfer tank back to the heat and cold exchanging mechanism 2 so as to realize circulating cooling. Specifically, one end of the first return pipe 13 is communicated with a liquid inlet of the heat and cold exchanging mechanism 2, and the other end is respectively communicated with a liquid outlet of the first transfer tank 3 and a liquid outlet of the second transfer tank 4 through a fifth valve 14 and a sixth valve 15. Wherein, the first back conveying pipeline 13 is provided with a second motor 16 and a seventh valve 17.
In addition, a first branch pipeline 18 is connected between the liquid outlet of the first transfer tank 3 and the fifth valve 14, one end of the first branch pipeline 18 is communicated with the liquid outlet of the first transfer tank 3, the other end of the first branch pipeline 18 is communicated with the liquid inlet of the diatomite filter 5, and the first branch pipeline 18 is used for conveying the wine in the first transfer tank 3 into the diatomite filter 5. Similarly, a second branch pipe 19 is connected between the liquid outlet of the second transfer tank 4 and the sixth valve 15, one end of the second branch pipe 19 is communicated with the liquid outlet of the second transfer tank 4, and the other end is communicated with the liquid inlet of the diatomite filter 5. The first branch duct 18 and the second branch duct 19 are provided with an eighth valve 20 and a ninth valve 21, respectively.
The liquid outlet of the diatomite filter 5 is connected with a discharging pipeline 22, one end of the discharging pipeline 22 is communicated with the liquid outlet of the diatomite filter 5, and the other end of the discharging pipeline 22 is respectively communicated with the liquid inlets of the first settling tank 26, the second settling tank 27 and the finished product tank 28 through a tenth valve 23, an eleventh valve 24 and a twelfth valve 25, namely, the wine body conveyed through the discharging pipeline 22 can selectively enter the first settling tank 26, the second settling tank 27 and the finished product tank 28. The discharge conduit 22 is provided with a third motor 29. And a second returning pipeline 30 is connected to the feeding pipeline 7 between the first motor 9 and the first valve 8, one end of the second returning pipeline 30 is communicated with the feeding pipeline 7, and the liquid outlet of the first settling tank 26 and the liquid outlet of the second settling tank 27 are respectively communicated with the other end of the second returning pipeline 30 through a thirteenth valve 31 and a fourteenth valve 32.
The first transfer tank 3 and the second transfer tank 4 are respectively provided with a fine filtration output port, the fine filtration output ports of the first transfer tank 3 and the second transfer tank 4 are respectively connected with one end of a fourth motor 40 through a fifteenth valve 33 and a sixteenth valve 34, the other end of the fourth motor 40 is communicated with a liquid inlet of the first fine filter 6, and the fourth motor 40 is used for conveying the wine bodies discharged from the fine filtration output ports of the first transfer tank 3 and the second transfer tank 4 to the first fine filter 6. The liquid outlet of the first fine filter 6 is connected to the discharge pipe 22 via a seventeenth valve 35.
Preferably, a second fine filter 36 is also included. The second fine filter 36 is arranged between the liquid outlet of the first fine filter 6 and the seventeenth valve 35. The liquid inlet of the second fine filter 35 is communicated with the liquid outlet of the first fine filter 6 through an eighteenth valve 37, and the other end is connected with a seventeenth valve 35. The second fine filter 36 has a different filtering precision from the first fine filter 6, and the filtering precision of the second fine filter 36 is greater than that of the first fine filter 6, i.e. a gradient filtering is formed, which is beneficial to further improving the fine filtering effect.
Preferably, a polypropylene filter membrane is arranged in the first fine filter 6, and the polypropylene filter membrane is made of polypropylene superfine fibers through hot melting adhesion. And be provided with aerogel filtration membrane group in the second secondary filter 36, as shown in fig. 3, aerogel filtration membrane group includes base cloth 47, and base cloth 47 both sides are equipped with aerogel filter layer 48 respectively, and aerogel filter layer 48 is provided with microfiltration membrane 49 with base cloth 47 one side of carrying on the back mutually. In this embodiment, the base fabric 47 is a fiber woven fabric with a thickness of about 1.5 mm; the internal pore diameter of the aerogel filter layer 48 is controlled to be 8-13nm, and the thickness of the aerogel filter layer 48 is preferably 16 cm; the microporous filtering membrane 49 positioned at the outermost side is a PTFE (polytetrafluoroethylene) microporous filtering membrane, the thickness of the microporous filtering membrane 49 is 0.5 mm, and the microporous filtering membrane 49, the aerogel filtering layer 48 and the base cloth 47 form a gradient pore structure, so that the fine filtering effect of the wine body is further improved. The aerogel filter layer 48 is prepared in a similar manner to conventional filter bag preparation and will not be described in detail herein. Of course, other types of filter membranes or membrane groups may be used in the first fine filter 6 and the second fine filter 36 as long as the fine filtration treatment of the wine body can be realized, for example, the second fine filter 36 may be set as a nylon microporous filter membrane, and the fine filtration of the wine body can be realized by controlling the pore size distribution of the nylon microporous filter membrane to be 0.2 μm to 0.5 μm.
Preferably, a heat exchanger 38 is further included, the heat exchanger 38 being adapted to exchange heat between the wine in the feed conduit 7 and the wine in the discharge conduit 22. Specifically, as shown in fig. 4, the heat exchanger 38 includes a heat conductive block 50 and an insulating layer 51. The heat conducting block 50 is provided with a first hole structure 52 and a second hole structure 53 matching with the feeding pipeline 7 and the discharging pipeline 22. The feeding pipe 7 and the discharging pipe 22 respectively pass through the first hole structure 52 and the second hole structure 53, and the first hole structure 52 is communicated with the second hole structure 53, that is, the outer side wall of the feeding pipe 7 can be directly contacted with the outer side wall of the discharging pipe 22, so as to further accelerate the heat exchange rate. The insulation layer 51 is wrapped outside the thermal conductive block 50 for reducing a heat exchange rate between the thermal conductive block 50 and the environment.
Preferably, the heat exchange mechanism 2 according to the present embodiment is capable of performing low-temperature treatment on the wine body by its own cooling function. Specifically, as shown in fig. 2, the heat exchange mechanism 2 includes a refrigerant tank 42, a heat exchange module 43, and a compressor 44. The refrigerant stored in the refrigerant tank 42 exchanges energy with the wine body passing through the heat exchange mechanism 2, so that the temperature of the wine body passing through the heat exchange mechanism 2 is reduced, and the purpose of cooling is achieved. The refrigerant is transmitted to the heat exchanging mechanism 2 through the fifth motor 45. Meanwhile, the compressor 44 cools the refrigerant through the cold heat exchange module 43, that is, the refrigerant in the refrigerant tank 42 is transmitted to the heat exchange module 43 through the sixth motor 46, and the compressor 44 cools the refrigerant through the cold heat exchange module 43, so that the refrigerant in the refrigerant tank 42 has a function of cooling the wine body passing through the heat exchange mechanism 2. Of course, other connection structures can also be adopted by the cold and heat exchange mechanism 2 as long as the wine body passing through the cold and heat exchange mechanism 2 can be cooled, because the connection mode of the cold and heat exchange mechanism 2 is various and common in the prior art, it is not repeated here.
In order to strictly monitor the wine body temperature in the first transfer tank 3 and the second transfer tank 4, a temperature detection device, such as a thermometer, is specially arranged in the first transfer tank 3 and the second transfer tank 4 and is used for measuring the specific temperature of the wine body in the first transfer tank 3 and the second transfer tank 4 in real time, so that a worker can judge whether the wine body temperature in the first transfer tank 3 and the second transfer tank 4 meets the requirement of low-temperature filtration.
In order to enable the wine in the finished product tank 28 to be discharged in a predetermined amount, a metering device, such as a flow meter, is installed at the outlet of the finished product tank 28. The outflow volume of the wine body in the finished product tank 28 can be strictly controlled through the metering device, so that subsequent workers can conveniently carry out canning and packaging.
The working process of the low-temperature freezing and filtering system is as follows:
as shown in fig. 1, when the filtration system is in the initial state, all the valves are in the closed state, and all the motors are in the non-working state. When the filtering system needs to enter a working state, the first valve 8, the second valve 10 and the third valve 11 are firstly opened, the heat exchange mechanism 2, the first motor 9 and the heat exchanger 38 are started, the wine body stock solution reaches the heat exchange mechanism 2 through the first valve 8, the first motor 9 and the heat exchanger 38, the heat exchange mechanism 2 is used for initially cooling the wine body stock solution, and the wine body cooled by the heat exchange mechanism 2 reaches the first transfer tank 3 through the third valve 11 until the first transfer tank 3 is filled with the wine body. And then closing the first valve 8, the first motor 9 and the second valve 10, opening the fifth valve 14, the second motor 16 and the seventh valve 17, so that the wine in the first transfer tank 3 returns to the cold-heat exchange mechanism again through the fifth valve 14, the second motor 16 and the seventh valve 17, cooling again, and returning the cooled wine to the first transfer tank 3 through the third valve 11 again, and repeating the steps for multiple times until the temperature of the wine in the first transfer tank 3 meets the low-temperature requirement. The wine temperature of the first transfer tank 3 is generally between-1 ℃ and-5 ℃ to meet the requirement. When the temperature of the wine in the first transfer tank 3 meets the requirement, the third valve 11, the fifth valve 14, the second motor 16 and the seventh valve 17 are closed, the eighth valve 20, the diatomite filter 5, the nineteenth valve 39, the third motor 29 and the tenth valve 23 are opened, so that the wine in the first transfer tank 3 reaches the diatomite filter 5 through the eighth valve 20, lipid substances are filtered out by the diatomite filter 5, the wine treated by the diatomite filter 5 further reaches the first settling tank 26 through the nineteenth valve 39, the third motor 29, the cold-heat exchanger 38 and the tenth valve 23, and diatomite particles mixed in the wine are removed through standing and settling. During the process that the wine body in the first transfer tank 3 passes through the diatomite filter 5 to reach the first settling tank 26, the feeding pipeline 7 is in an idle state, and the upper conveying route and the lower conveying route are separated from each other and do not interfere with each other. Therefore, in the process that the wine body in the first transfer tank 3 reaches the first settling tank 26 through the diatomite filter 5, the first valve 8, the second valve 10 and the fourth valve 12 can be simultaneously opened, the first motor 9, the cold-heat exchanger 38 and the cold-heat exchange mechanism 2 are started, the wine body stock solution in the stock solution tank 1 is continuously transmitted to the cold-heat exchange mechanism 2 through the first valve 8, the first motor 9, the cold-heat exchanger 38 and the second valve 10, and the wine body subjected to the temperature reduction treatment by the cold-heat exchange mechanism 2 reaches the second transfer tank 4 through the fourth valve 12. Since the transportation speed of the whole pipeline is the same, when the wine in the first transfer tank 3 completely reaches the first settling tank 26, the second transfer tank 4 is just filled with the wine. At this time, the eighth valve 20, the diatomite filter 5, the nineteenth valve 39, the third motor 29 and the tenth valve 23 are closed, the first valve 8, the first motor 9 and the second valve 10 are closed at the same time, the sixth valve 15, the second motor 16 and the seventh valve 17 are opened, so that the wine in the second transfer tank 4 is returned to the cold-heat exchange mechanism 2 through the sixth valve 15, the second motor 16 and the seventh valve 17 for cooling again, the cooled wine can flow back to the second transfer tank 4 through the fourth valve 12 again, and the circulating cooling process is the same as the circulating cooling process of the wine in the first transfer tank 3 until the temperature of the wine in the second transfer tank 4 reaches between minus 1 ℃ and minus 5 ℃. Then the sixth valve 15, the second motor 16, the seventh valve 17 and the fourth valve 12 are closed, the ninth valve 21, the diatomite filter 5, the nineteenth valve 39, the third motor 29 and the eleventh valve 24 are opened, and the wine body in the second transfer tank 4 is treated by the diatomite filter 5 and then is conveyed to the second settling tank 27 for settling. Similarly, since the feed conduit 7 is idle during the process of transferring the wine in the second transfer tank 4 to the second settling tank 27, the feed conduit 7 and the discharge conduit 22 do not interfere with each other. Therefore, while the wine in the second transfer tank 4 is transferred to the second settling tank 27, the thirteenth valve 31, the first motor 9, the second valve 10, the heat and cold exchanging mechanism 2, and the third valve 11 may be simultaneously opened, so that the wine precipitated in the first settling tank 26 may be transferred to the heat and cold exchanging mechanism 2 for cooling again, and the wine subjected to cooling may reach the first transfer tank 3 through the valve 11. When the wine in the second transfer tank 4 completely reaches the second settling tank 27, the wine in the first settling tank 26 is completely transferred into the first transfer tank 3, at this time, the thirteenth valve 31, the first motor 9, the second valve 10, the ninth valve 21, the diatomite filter 5, the nineteenth valve 39, the third motor 29 and the eleventh valve 24 are closed, the fifth valve 14, the second motor 16 and the seventh valve 17 are opened, and the wine subjected to the settling treatment in the first transfer tank 3 is circularly cooled by the same method until the temperature meets the low-temperature treatment requirement. And finally, closing the fifth valve 14, the second motor 16, the seventh valve 17 and the third valve 11, opening the fifteenth valve 33, the fourth motor 40, the eighteenth valve 37, the seventeenth valve 35, the third motor 29 and the twelfth valve 25, sequentially transmitting the wine subjected to the precipitation treatment in the first transfer tank 3 to the first fine filter 6 and the second fine filter 36 through the fourth motor 40 for fine filtration treatment, transmitting the wine subjected to the fine filtration treatment to the finished product tank 28 through the third motor 29, and discharging the wine from a liquid outlet of the finished product tank 28 for canning and packaging. Certainly, in the process that the wine body after the precipitation treatment in the first transfer tank 3 is conveyed to the finished product tank 28, the feeding pipeline 7 is in an idle device, at this time, the fourteenth valve 32, the first motor 9, the second valve 10 and the fourth valve 12 can be simultaneously opened, the wine body after the precipitation treatment in the second precipitation tank 27 is conveyed to the heat and cold exchange mechanism 2 again for cooling, and the wine body after cooling is conveyed to the second transfer tank 4 again, when the wine body in the second precipitation tank 27 is completely transferred to the second transfer tank 4, the wine body after the precipitation treatment in the first transfer tank 3 is also completely transferred to the finished product tank 28, namely, the first batch of finished product wine bodies is prepared. Of course, the subsequent cooling process and the subsequent production process of the precipitated wine transferred to the second transfer tank 4 are similar to the previously described processes, and are not repeated herein.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A low-temperature freezing and filtering system is characterized by comprising a raw liquid tank (1), a cold-heat exchange mechanism (2), a first transfer tank (3), a second transfer tank (4), a diatomite filter (5) and a first fine filter (6); a liquid outlet of the raw liquid tank (1) is communicated with a liquid inlet of the cold-hot exchange mechanism (2) through a feeding pipeline (7), a first valve (8), a first motor (9) and a second valve (10) are sequentially arranged on the feeding pipeline (7), and a liquid outlet of the cold-hot exchange mechanism (2) is communicated with a liquid inlet of the first transfer tank (3) and a liquid inlet of the second transfer tank (4) through a third valve (11) and a fourth valve (12) respectively; a first returning pipeline (13) is further connected between the second valve (10) and a liquid inlet of the cold-heat exchange mechanism (2) through the feeding pipeline (7), one end of the first returning pipeline (13) is communicated with the liquid inlet of the cold-heat exchange mechanism (2), the other end of the first returning pipeline (13) is respectively communicated with a liquid outlet of the first transit tank (3) and a liquid outlet of the second transit tank (4) through a fifth valve (14) and a sixth valve (15), and a second motor (16) and a seventh valve (17) are arranged on the first returning pipeline (13);
a first branch pipeline (18) is connected between the liquid outlet of the first transfer tank (3) and the fifth valve (14), one end of the first branch pipeline (18) is communicated with the liquid outlet of the first transfer tank (3), and the other end of the first branch pipeline is communicated with the liquid inlet of the diatomite filter (5); a second branch pipeline (19) is connected between the liquid outlet of the second transfer tank (4) and the sixth valve (15), one end of the second branch pipeline (19) is communicated with the liquid outlet of the second transfer tank (4), the other end of the second branch pipeline is communicated with the liquid inlet of the diatomite filter (5), and the first branch pipeline (18) and the second branch pipeline (19) are respectively provided with an eighth valve (20) and a ninth valve (21);
a liquid outlet of the diatomite filter (5) is connected with a discharging pipeline (22), one end of the discharging pipeline (22), which is opposite to the liquid outlet of the diatomite filter (5), is respectively communicated with liquid inlets of a first settling tank (26), a second settling tank (27) and a finished product tank (28) through a tenth valve (23), an eleventh valve (24) and a twelfth valve (25), and a third motor (29) is arranged on the discharging pipeline (22); a second return pipeline (30) is connected between the first motor (9) and the first valve (8) of the feeding pipeline (7), and a liquid outlet of the first settling tank (26) and a liquid outlet of the second settling tank (27) are respectively communicated with the second return pipeline (30) through a thirteenth valve (31) and a fourteenth valve (32);
and fine filtration output ports are also formed in the first transfer tank (3) and the second transfer tank (4) respectively, the fine filtration output ports in the first transfer tank (3) and the second transfer tank (4) are connected with one end of a fourth motor (40) through a fifteenth valve (33) and a sixteenth valve (34) respectively, the other end of the fourth motor (40) is communicated with a liquid inlet of the first fine filter (6), and a liquid outlet of the first fine filter (6) is communicated with the discharge pipeline (22) through a seventeenth valve (35).
2. A cryogenic filtration system as claimed in claim 1 further comprising a second fine filter (36), the second fine filter (36) being disposed between the outlet of the first fine filter (6) and the seventeenth valve (35), the inlet of the second fine filter (35) being in communication with the outlet of the first fine filter (6) via an eighteenth valve (37), the outlet of the second fine filter being in communication with the seventeenth valve (35).
3. The cryogenic freezing and filtering system according to claim 2, wherein an aerogel filter membrane set is arranged in the second fine filter (36), the aerogel filter membrane set comprises a base cloth (47), an aerogel filter layer (48) is respectively arranged on two sides of the base cloth (47), and a microporous filter membrane (49) is arranged on the aerogel filter layer (48) on the side opposite to the base cloth (47).
4. The cryogenic filtration system of claim 2 wherein a nylon microporous filter membrane is disposed within the second fine filter (36), the nylon microporous filter membrane having a pore size of 0.2 μm to 0.5 μm.
5. The cryogenic filter system of claim 1, wherein a polypropylene filter membrane is arranged in the first fine filter (6), and the polypropylene filter membrane is made of polypropylene superfine fibers through hot melt adhesion.
6. A cryogenic freeze filtration system according to claim 1 further comprising a heat exchanger (38), the heat exchanger (38) being adapted to exchange heat between the wine in the feed conduit (7) and the wine in the discharge conduit (22).
7. The cryogenic refrigeration filter system according to claim 6, wherein the cold heat exchanger (38) comprises a heat conducting block (50) and an insulating layer (51), the heat conducting block (50) is internally provided with a first hole structure (52) and a second hole structure (53) which are matched with the feeding pipeline (7) and the discharging pipeline (22), and the insulating layer (51) is wrapped outside the heat conducting block (50) for reducing the heat exchange rate between the heat conducting block (50) and the environment.
8. The cryogenic filter system according to claim 1, wherein a refrigerant tank (42), a cold-heat exchange module (43) and a compressor (44) are provided in the cold-heat exchange mechanism (2), the refrigerant tank (42) is used for cooling the cold-heat exchange mechanism (2), and the compressor (44) and the refrigerant tank (42) exchange heat through the cold-heat exchange module (43) to enable the refrigerant tank (42) to have a cooling function.
9. A cryogenic freeze filtration system according to claim 1 wherein the first and second relay tanks (3, 4) are each provided with temperature sensing means; and a liquid outlet of the finished product tank (28) is provided with a metering device.
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| CN201910934297.1A CN110645725A (en) | 2019-09-29 | 2019-09-29 | Low-temperature freezing and filtering system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910934297.1A CN110645725A (en) | 2019-09-29 | 2019-09-29 | Low-temperature freezing and filtering system |
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