CN112370971A - Separation and concentration method and separation and concentration device for food materials - Google Patents
Separation and concentration method and separation and concentration device for food materials Download PDFInfo
- Publication number
- CN112370971A CN112370971A CN202011001766.3A CN202011001766A CN112370971A CN 112370971 A CN112370971 A CN 112370971A CN 202011001766 A CN202011001766 A CN 202011001766A CN 112370971 A CN112370971 A CN 112370971A
- Authority
- CN
- China
- Prior art keywords
- membrane device
- separation
- ultrafiltration membrane
- liquid tank
- feed
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 148
- 239000000463 material Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 33
- 235000013305 food Nutrition 0.000 title claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 243
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 95
- 239000002699 waste material Substances 0.000 claims abstract description 52
- 238000000605 extraction Methods 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims description 54
- 230000001105 regulatory effect Effects 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 150000003384 small molecules Chemical class 0.000 claims description 26
- 239000011550 stock solution Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 10
- 229920002521 macromolecule Polymers 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 10
- 239000011344 liquid material Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000012527 feed solution Substances 0.000 claims description 5
- 239000003337 fertilizer Substances 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 3
- 230000008901 benefit Effects 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000001728 nano-filtration Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a separation and concentration device for food materials, which comprises a raw liquid tank, a macromolecular ultrafiltration membrane device, an extraction liquid tank, a micromolecular separation membrane device and a micromolecular waste liquid tank which are sequentially connected through a pipeline, wherein a discharge port of the raw liquid tank is connected with a feed port of the macromolecular ultrafiltration membrane device through a first material pump, the macromolecular ultrafiltration membrane device is provided with a first return pipeline for enabling large molecular weight material liquid to return to the raw liquid tank, a discharge port of the macromolecular ultrafiltration membrane device is connected with a feed port of the extraction liquid tank, a discharge port of the extraction liquid tank is connected with a feed port of the micromolecular separation membrane device through a second material pump, the micromolecular separation membrane device is provided with a second return pipeline for enabling the extraction liquid to return to the extraction liquid tank, and a discharge port of the micromolecular separation membrane. The invention also discloses a separation and concentration method of the food material. The food material separating and concentrating device provided by the invention can effectively achieve the purposes of accurate separation and benefit improvement.
Description
Technical Field
The invention belongs to the technical field of food processing, and particularly relates to a separation and concentration method and a separation and concentration device for food materials.
Background
In the existing automatic food processing equipment, the separation and non-separation requirements of liquid and solid materials are generally met for the mixture of the solid and liquid materials in the materials. At present, the separation and extraction of stock solution materials (amino acid, glutamic acid stock solution and the like) in the food industry are still traditional chemical methods such as ion adsorption, the acid and alkali consumption is high during the regeneration of the ion adsorption method, the energy consumption is high, the acid and alkali regeneration waste liquid belongs to high-salt waste water and has large discharge amount, the current environment-friendly discharge requirement is not met, the post-stage waste liquid treatment difficulty is high, and the cost is extremely high; the method has the following defects:
1) the extracting solution can not be separated by washing the residual waste materials again, which causes material waste and has poor economic benefit.
2) The feed liquid extracted by the method has high impurity content and low purity, so that the quality of the product of the later process is unstable, and the market value and the benefit are influenced.
3) The concentration of the extracting solution is too low and is the same as that of the raw material solution, so that the energy consumption of the subsequent process is high, the product cost is high, and the economic benefit is poor.
4) The process operation has low automation degree, high labor cost and high power consumption, can not be operated in a frequency conversion and energy-saving way, and can not further concentrate the extract.
5) The discharged waste liquid belongs to high-salinity waste water, the discharge amount is large, the current environment-friendly discharge requirement is not met, the post-stage waste liquid treatment difficulty is large, and the cost is extremely high.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the main object of the present invention is to provide a separation and concentration device for food materials, which can achieve the purpose of equimolecular accurate separation of the extract by first retaining the substances with molecular weight larger than that of the extract, separating the extract with molecular weight larger than that of the extract, and then further equimolecular separating the substances with molecular weight smaller than that of the extract; the invention also provides a separation and concentration method of the food material, which adopts a circular separation and purification method when the molecules are separated into large molecules and small molecules, so that the amount of the extracting solution is increased to the maximum extent, the content of the waste liquid is reduced, and the purposes of accurate separation and benefit improvement are achieved.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a separation enrichment facility of food material, includes the raw liquor jar that loops through the tube coupling, macromolecule milipore filter device, draws fluid jar, small molecule separation membrane device and small molecule waste liquid jar, the discharge gate of raw liquor jar through first material pump with the feed inlet of macromolecule milipore filter device links to each other, macromolecule milipore filter device is provided with the first return line that makes the return flow of macromolecular weight feed liquid to raw liquor jar, the discharge gate of macromolecule milipore filter device with the feed inlet that draws the fluid jar links to each other, the discharge gate that draws the fluid jar pass through second material pump with the feed inlet of small molecule separation membrane device links to each other, small molecule separation membrane device is provided with the second return line that makes the extract flow back to drawing the fluid jar, the discharge gate of small molecule separation membrane device links to each other with the feed inlet of small molecule.
Preferably, the feed inlet of the raw liquid tank is a raw liquid material inlet, the discharge outlet of the raw liquid tank is simultaneously connected with the feed inlets of the two electric regulating valves, the discharge outlet of one of the electric regulating valves is a raw liquid material discharge outlet, and the discharge outlet of the other electric regulating valve is connected with the feed inlet of the first material pump.
Preferably, the device also comprises a water supply device which is connected through a pipeline and is used for supplying water for producing and cleaning each tank and/or device.
Preferably, the macromolecule ultrafiltration membrane device comprises a membrane front pressure gauge of the ultrafiltration membrane device, a membrane rear pressure gauge of the ultrafiltration membrane device, an ultrafiltration membrane device filter membrane component, a first flow meter of the ultrafiltration membrane device, a second flow meter of the ultrafiltration membrane device, an ultrafiltration membrane device electric control valve and a thermometer, a discharge port of the first material pump is sequentially connected with a feed port of the membrane front pressure gauge of the ultrafiltration membrane device, the thermometer, the ultrafiltration membrane device filter membrane component and a feed port of the ultrafiltration membrane device electric control valve, a first discharge port of the ultrafiltration membrane device filter membrane component is connected with a feed port of the first flow meter of the ultrafiltration membrane device, a discharge port of the first flow meter of the ultrafiltration membrane device is simultaneously connected with three feed ports of the ultrafiltration membrane device electric control valve, one of the three feed ports is a sampling discharge port, and the second discharge port of the ultrafiltration membrane device electric control valve is a And the outlet of the electric regulating valve of the ultrafiltration membrane device is connected with the inlet of the raw liquid tank, the outlet of the second outlet of the ultrafiltration membrane device is connected with the inlet of the second flow meter of the ultrafiltration membrane device after passing through the membrane back pressure gauge of the ultrafiltration membrane device and one electric regulating valve of the ultrafiltration membrane device, and the outlet of the second flow meter of the ultrafiltration membrane system is connected with the inlet of the extraction liquid tank.
Preferably, the small molecule separation membrane device comprises a separation membrane device pre-membrane pressure gauge, a separation membrane device post-membrane pressure gauge, a separation membrane device check valve, a separation membrane device thermometer, a separation membrane device filter membrane component, a separation membrane device electric regulating valve, a separation membrane device first flow meter and a separation membrane device second flow meter, a discharge port of the second material pump is sequentially connected with the separation membrane device check valve, the separation membrane device pre-membrane pressure gauge, the separation membrane device thermometer and a feed port of the separation membrane device filter membrane component, a first discharge port of the separation membrane device filter membrane component is connected with a feed port of the separation membrane device first flow meter, a discharge port of the separation membrane device first flow meter is simultaneously connected with feed ports of the three separation membrane device electric regulating valves, a discharge port of one of the separation membrane device electric regulating valves is a separation membrane device sampling discharge port, the discharge hole of the second electric regulating valve of the separation membrane device is the discharge hole of the small molecule separation membrane device, the discharge hole of the third electric regulating valve of the separation membrane device is connected with the feed hole of the extraction liquid tank, the second discharge hole of the filter membrane component of the separation membrane device is simultaneously connected with the feed hole of the electric regulating valve of the separation membrane device and the feed hole of the pressure gauge behind the membrane of the separation membrane device, the discharge hole of the pressure gauge behind the membrane of the separation membrane device is connected with the feed hole of the electric regulating valve of the separation membrane device, the discharge hole of the electric regulating valve of the separation membrane device is connected with the feed hole of the second flowmeter of the separation membrane device, and the discharge hole of the second flowmeter of the separation membrane device is connected with the feed hole of the small molecule waste liquid tank.
Preferably, a lifting pump for lifting the material is arranged on each of the first return pipeline and the second return pipeline.
A method for separating and concentrating food materials by adopting the food material separating and concentrating device comprises the following steps:
1) separating the high molecular weight waste liquid:
conveying the qualified pretreated stock solution material to a stock solution tank for storage, starting a first material pump to pump the stock solution material into a high molecular weight ultrafiltration membrane device for separation and purification, feeding the separated extracting solution into an extracting solution tank for storage, and returning the separated high molecular weight feed solution to the stock solution tank for circulation and separation and purification until the economy of the separation concentration of the extracting solution is not suitable for circular separation any more;
2) discharging or recycling the separated waste liquid in the stock solution tank to a biogas power generation system for reuse/fertilizer production;
3) separating the small molecular weight waste liquid:
pumping the separated extracting solution into a small molecule separation membrane device through a second material pump for secondary separation and purification, and discharging or recycling the separated small molecular weight waste liquid after entering a small molecule waste liquid tank; and returning the separated extracting solution to an extracting solution tank for circulation, and then separating and purifying until the economy of the separation concentration of the extracting solution is not suitable for circular separation any more.
Preferably, the water separated from the small molecule waste liquid tank can be returned to the small molecule separation membrane device for recycling.
Compared with the prior art, the invention has at least the following advantages:
the invention provides a method and a device for separating and concentrating food materials,
1) the device can completely replace the prior separation and extraction process and greatly reduce the energy consumption and load of the subsequent process, the waste liquid (high molecular weight feed liquid) separated by the macromolecular ultrafiltration membrane device does not contain high salinity any more, and can be further used as a fertilizer raw material or a methane raw material (new energy methane power generation), thereby improving the economic benefit of the waste liquid, putting an end to the discharge of pollutants and meeting the national environmental protection requirement;
2) the separation and concentration device can carry out re-washing on the residual waste materials (high molecular weight material liquid) and separate the extracting solution by the macromolecular ultrafiltration membrane device, so that the extracting solution is separated to the maximum extent;
3) the device can further separate out unwanted micromolecular impurities in the extracting solution through the micromolecular separation membrane device, and further improves the concentration of the extracting solution through circulating concentration, thereby greatly reducing the energy consumption of the subsequent process; the separated water (water separated from the micromolecular waste liquid) can enter the former stage process again for recycling, so that the overall water consumption is reduced, the production cost is reduced, the economic benefit is improved, and the energy is saved and the emission is reduced;
4. the device adopts the international advanced organic nanofiltration membrane separation technology as the core, and adopts technical process parameters (pressure, flow rate, temperature and the like) reasonably suitable for related product production, so that the whole product production process realizes full-automatic operation, the automation degree is high, all process parameters are monitored and uploaded on line, the computer man-machine operation can be completely realized, the labor cost is low, the labor intensity is low, the frequency conversion and energy saving operation is adopted, the automatic frequency modulation operation can be carried out step by step according to the operation parameters, and the energy saving and consumption reduction are realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a process flow diagram of a separation and concentration apparatus provided by the present invention;
fig. 2 is a schematic view of the overall structure of the separation and concentration device provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Descriptions in this specification as relating to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to any indicated technical feature or quantity. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The present invention will be further described with reference to the following drawings and examples, which are illustrative only and not intended to be limiting, and the scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1 and fig. 2, the separation and concentration device for food materials provided by the present invention comprises a raw liquid tank 1, a macromolecular ultrafiltration membrane device 2, an extraction liquid tank 3, a small molecular separation membrane device 4 and a small molecular waste liquid tank 5 (not shown in fig. 2) which are connected in sequence by pipelines, wherein a feed inlet of the raw liquid tank 1 is a raw liquid material inlet, a discharge outlet of the raw liquid tank 1 is simultaneously connected with feed inlets of two electric control valves, a discharge outlet of one electric control valve is a waste liquid discharge outlet (which can also be used for cleaning water and waste liquid simultaneously), a discharge outlet of the other electric control valve is connected with a feed inlet of the macromolecular ultrafiltration membrane device 2 by a first material pump 6, the macromolecular ultrafiltration membrane device 2 is provided with a first return pipeline for returning a large molecular weight material liquid (trapped liquid, i.e. extract liquid in the macromolecular ultrafiltration membrane device is a penetrating liquid) to, the discharge port of the macromolecule ultrafiltration membrane device 2 is connected with the feed port of the extraction liquid tank 3, wherein the discharge port of the extraction liquid tank 3 is simultaneously connected with the feed ports of the two valves, the discharge port of one valve is an extraction liquid outlet (which can also be used for cleaning a water outlet), the discharge port of the other valve is connected with the feed port of the micromolecule separation membrane device 4 through a second material pump 7, the micromolecule separation membrane device 4 is provided with a second backflow pipeline which enables the extraction liquid (trapped liquid, namely the extraction liquid is the trapped liquid in the micromolecule separation membrane device) to flow back to the extraction liquid tank 3, and the discharge port of the micromolecule separation membrane device 4 is connected with the feed port of the micromolecule waste liquid tank. Specifically, the applicant uses the material separation and concentration device with the same molecular weight to separate the material liquid according to the molecular weight characteristics of the required extracting solution in the food stock solution material, firstly separates the material liquid with large molecular weight which is larger than the molecular weight of the extracting solution, and circularly operates to separate the extracting solution to the maximum extent, and after the separation is finished, the waste material liquid (the material liquid with large molecular weight) is discharged or recycled to a methane power generation system for reuse/fertilizer production; then, the small molecular weight waste liquid with the molecular weight smaller than that of the extracting solution in the extracting solution separated by the macromolecular ultrafiltration membrane device is separated by the small molecular separation membrane device and circularly operated, so that the small molecular weight waste liquid is separated to the maximum extent, the extracting solution is concentrated to the maximum extent, the energy consumption of the subsequent process is reduced, and the separation and concentration device can effectively improve the quality and the extracting amount of food material separation, save energy and reduce consumption during operation, and is environment-friendly to recycle waste liquid discharge and the like.
Wherein the stock solution tank is used for storing stock solution materials to be separated; the macromolecule ultrafiltration membrane device and the micromolecule separation membrane device are respectively provided with an organic nanofiltration membrane for separating and purifying membrane feeding liquid and forming waste liquid and extracting solution, and the extracting solution tank is used for storing the extracting solution obtained by separation of the macromolecule ultrafiltration membrane device and the micromolecule separation membrane device; the micromolecular waste liquid tank is used for storing micromolecular waste materials separated by the micromolecular separation membrane device; the material pumps (a first material pump and a second material pump) are used for adjusting the temperature and the pressure of feed liquid according to the size and the flow of the organic nanofiltration membrane in the macromolecular ultrafiltration membrane device/the micromolecular separation membrane device to form membrane feeding liquid.
Preferably, in a preferred technical solution of this embodiment, the apparatus further comprises a water supply device (not shown in the drawings) connected by a pipeline and used for supplying water for production and cleaning of each tank and/or device, specifically, the water supply device comprises a water tank, a water inlet of the water tank is connected with tap water, a water outlet of the water tank is simultaneously connected with material inlets of electric control valves of three water supply devices, a material outlet of an electric control valve of one water supply device is connected with a material inlet of the raw liquid tank, a material outlet of an electric control valve of a second water supply device is connected with a cleaning water inlet of the macromolecular ultrafiltration membrane device, a material outlet of an electric control valve of a third water supply device is connected with a cleaning water inlet of the small molecule separation membrane device, a material outlet of an electric control valve of a fourth water supply device is connected with a cleaning water inlet of the small molecule waste liquid tank, the device comprises a macromolecular ultrafiltration membrane device, a micromolecular separation membrane device, a micromolecular waste liquid tank, a water supply device and a water tank, wherein the macromolecular ultrafiltration membrane device, the micromolecular separation membrane device and the micromolecular waste liquid tank are connected with the water supply device and mainly used for cleaning the device/tank; the raw liquid tank is connected with the water supply device, and the more important function of the raw liquid tank is that the raw liquid tank is washed by the macromolecular ultrafiltration membrane device for multiple times, and then the raw liquid concentrated material enters the macromolecular ultrafiltration membrane device again for full extraction and separation, namely, the raw liquid is washed by adding water according to the consistency of the raw liquid material in the raw liquid tank and continuously keeps running, so that the extracting solution is separated to the maximum degree, and the purity and the extraction amount of the extracting solution are improved;
example 2
On the basis of the embodiment 1, the macromolecular ultrafiltration membrane device 2 comprises an ultrafiltration membrane device pre-membrane pressure gauge, an ultrafiltration membrane device post-membrane pressure gauge, an ultrafiltration membrane device filter membrane component, an ultrafiltration membrane device first flow meter, an ultrafiltration membrane device second flow meter, an ultrafiltration membrane device electric regulating valve and a thermometer, wherein a filter membrane in the ultrafiltration membrane device filter membrane component is an organic nanofiltration membrane, a discharge port of a first material pump is sequentially connected with the ultrafiltration membrane device pre-membrane pressure gauge, the thermometer, a feed port of the ultrafiltration membrane device filter membrane component and a feed port of the ultrafiltration membrane device electric regulating valve, a first discharge port of the ultrafiltration membrane device filter membrane component is connected with the feed port of the ultrafiltration membrane device first flow meter, a discharge port of the ultrafiltration membrane device first flow meter is simultaneously connected with feed ports of the three ultrafiltration membrane device electric regulating valves, and a discharge port of one, the discharge hole of the electric control valve of the second ultrafiltration membrane device is the discharge hole of the macromolecular ultrafiltration membrane device, the discharge hole of the electric control valve of the third ultrafiltration membrane device is connected with the feed hole of the raw liquid tank, the second discharge hole of the ultrafiltration membrane device is connected with the feed hole of the second flowmeter of the ultrafiltration membrane device after passing through the membrane back pressure gauge of the ultrafiltration membrane device and the electric control valve of the ultrafiltration membrane device, the discharge hole of the second flowmeter of the ultrafiltration membrane system is connected with the feed hole of the extraction liquid tank, the macromolecular ultrafiltration membrane device realizes full-automatic operation of the whole product production process by arranging all matched elements reasonably suitable for technical process parameters (pressure, flow rate, temperature and the like) of related product production, the automation degree is high, all process parameters are monitored and uploaded on line, the computer-human-machine operation can be realized, the labor, the frequency conversion energy-saving operation is adopted, and the automatic frequency modulation operation can be carried out by dividing the process time interval step by step according to the operation parameters, so that the energy is saved and the consumption is reduced.
Example 3
On the basis of the embodiment 1 and/or the embodiment 2, wherein the small molecule separation membrane device 4 comprises a membrane front pressure gauge, a membrane rear pressure gauge, a one-way valve, a thermometer, a membrane module, an electric control valve, a first flow gauge and a second flow gauge, the membrane in the membrane module is an organic nanofiltration membrane, the discharge port of the second material pump is sequentially connected with the one-way valve, the membrane front pressure gauge, the thermometer and the feed port of the membrane module, the first discharge port of the membrane module is connected with the feed port of the first flow gauge, the discharge port of the first flow gauge is simultaneously connected with the feed ports of the electric control valves, the discharge port of one of the electric regulating valves of the separation membrane device is a sampling discharge port of the separation membrane device, the discharge port of the electric regulating valve of the second separation membrane device is a discharge port of the micromolecule separation membrane device, the discharge port of the electric regulating valve of the third separation membrane device is connected with the feed port of the extraction liquid tank, the second discharge port of the filter membrane component of the separation membrane device is simultaneously connected with the feed port of the electric regulating valve of the separation membrane device and the feed port of the pressure gauge behind the membrane of the separation membrane device, the discharge port of the pressure gauge behind the membrane of the separation membrane device is connected with the feed port of the electric regulating valve of the separation membrane device, the discharge port of the electric regulating valve of the separation membrane device is connected with the feed port of the second flowmeter of the separation membrane device, and the discharge.
Preferably, a preferred technical solution in this embodiment is: wherein all be provided with the elevator pump that is used for promoting the material on first return line and the second return line, the setting of elevator pump provides technical support for further this separation enrichment facility's convenient and practical.
Example 4
The method for separating and concentrating the food materials is realized based on the device for separating and concentrating the food materials, and comprises the following steps:
on the basis of the embodiment, the method for separating the food materials by using the food material separating and concentrating device comprises the following steps:
1) separating the high molecular weight waste liquid:
the method comprises the following steps of conveying a qualified pretreated stock solution material into a stock solution tank 1 for storage, starting a first material pump 6 to pump the stock solution material into a high molecular weight ultrafiltration membrane device 2 for separation and purification, feeding a separated extracting solution into an extracting solution tank 3 for storage, returning the separated high molecular weight feed solution into the stock solution tank 1 through a first backflow pipeline for circulation and separation and purification until the economy of the separation concentration of the extracting solution is no longer suitable for circulation separation, wherein the economy of the separation concentration of the extracting solution can be judged according to the circulation separation concentration of the extracting solution and the emission requirement or flow limit value of the high molecular weight feed solution;
2) discharging or recycling the separated waste liquid in the raw liquid tank 1 to a biogas power generation system for reuse/fertilizer production;
3) separating the small molecular weight waste liquid:
pumping the separated extracting solution into the small molecule separation membrane device 4 through a second material pump 7 for secondary separation and purification, and discharging or recycling the separated small molecular weight waste liquid after entering a small molecule waste liquid tank 5; and returning the separated extracting solution to the extracting solution tank 3 for circulation, then separating and purifying until the economy of the separation concentration of the extracting solution is no longer suitable for circular separation, wherein the economy of the separation concentration of the extracting solution can be judged according to the circular separation concentration of the extracting solution and the flow limit value of the small molecular weight waste liquid.
And cleaning the food material separation and concentration device after the process operation is finished after the shutdown for later use.
The method for separating and concentrating the food materials is simple and feasible, and the concentration and the purity of the separated and purified extracting solution are high and can meet the requirements; especially, the method can fully utilize the waste liquid (high molecular weight feed liquid) of the raw liquid material, reduce the discharge of three wastes, prevent the environmental pollution, and has extremely obvious economic and social benefits, thereby being a practical and environment-friendly method.
Preferably, in a preferred technical scheme of this embodiment, the water separated from the small molecule waste liquid tank can be returned to the small molecule separation membrane device for recycling, and this arrangement enables the separated water to enter the previous stage process again for recycling, thereby reducing the overall water consumption, reducing the production cost, improving the economic benefit, saving energy, and reducing emission.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A separation and concentration device for food materials is characterized by comprising a raw liquid tank, a macromolecular ultrafiltration membrane device, an extraction liquid tank, a micromolecular separation membrane device and a micromolecular waste liquid tank which are sequentially connected through pipelines, a discharge hole of the raw liquid tank is connected with a feed inlet of the macromolecular ultrafiltration membrane device through a first material pump, the macromolecular ultrafiltration membrane device is provided with a first return pipeline which enables the high molecular weight feed liquid to return to the raw liquid tank, the discharge hole of the macromolecular ultrafiltration membrane device is connected with the feed inlet of the extraction liquid tank, the discharge hole of the extraction liquid tank is connected with the feed inlet of the micromolecular separation membrane device through a second material pump, the micromolecule separation membrane device is provided with a second return pipeline which enables the extracting solution to flow back to the extracting solution tank, and a discharge hole of the micromolecule separation membrane device is connected with a feed inlet of the micromolecule waste solution tank.
2. The apparatus for separating and concentrating food materials according to claim 1, wherein the inlet of the raw liquid tank is a raw liquid material inlet, the outlet of the raw liquid tank is connected to the inlets of two electric control valves, one of the electric control valves is a raw liquid material outlet, and the other electric control valve is connected to the inlet of the first material pump.
3. The apparatus for separating and concentrating food material according to claim 2, further comprising a water supply means connected by a pipe and for supplying water for each tank and/or apparatus production and cleaning.
4. The separation and concentration device of food materials according to claim 1, wherein the macromolecular ultrafiltration membrane device comprises an ultrafiltration membrane device pre-membrane pressure gauge, an ultrafiltration membrane device post-membrane pressure gauge, an ultrafiltration membrane device filtration membrane component, an ultrafiltration membrane device first flow meter, an ultrafiltration membrane device second flow meter, an ultrafiltration membrane device electric regulating valve and a thermometer, a discharge port of the first material pump is sequentially connected with the ultrafiltration membrane device pre-membrane pressure gauge, the thermometer, a feed port of the ultrafiltration membrane device filtration membrane component and a feed port of the ultrafiltration membrane device electric regulating valve, a first discharge port of the ultrafiltration membrane device filtration membrane component is connected with the feed port of the ultrafiltration membrane device first flow meter, a discharge port of the ultrafiltration membrane device first flow meter is simultaneously connected with feed ports of the three ultrafiltration membrane device electric regulating valves, a discharge port of one ultrafiltration membrane device electric regulating valve is a sampling discharge port, the discharge hole of the ultrafiltration membrane device electric regulating valve is the discharge hole of the macromolecule ultrafiltration membrane device, the discharge hole of the ultrafiltration membrane device electric regulating valve is connected with the feed inlet of the raw liquid tank, the second discharge hole of the ultrafiltration membrane device is connected with the feed inlet of the ultrafiltration membrane device second flowmeter through the ultrafiltration membrane device membrane back pressure gauge and the ultrafiltration membrane device electric regulating valve, and the discharge hole of the ultrafiltration membrane system second flowmeter is connected with the feed inlet of the extraction liquid tank.
5. The apparatus for separating and concentrating food material according to claim 4, wherein the small molecule separation membrane device comprises a pre-membrane pressure gauge, a post-membrane pressure gauge, a check valve, a thermometer, a membrane module, an electric control valve, a first flow meter and a second flow meter, the discharge port of the second material pump is connected with the check valve, the pre-membrane pressure gauge, the thermometer and the inlet of the membrane module, the first discharge port of the membrane module is connected with the inlet of the first flow meter, the discharge port of the first flow meter is connected with the inlets of the three electric control valves, wherein the discharge hole of one electric regulating valve of the separation membrane device is a sampling discharge hole of the separation membrane device, the discharge hole of the second electric regulating valve of the separation membrane device is a discharge hole of the micromolecule separation membrane device, the discharge hole of the third electric regulating valve of the separation membrane device is connected with the feed inlet of the extraction liquid tank, the second discharge hole of the filter membrane component of the separation membrane device is simultaneously connected with the feed inlet of an electric regulating valve of the separation membrane device and the feed inlet of a pressure gauge behind the membrane of the separation membrane device, the discharge port of the pressure gauge behind the membrane of the separation membrane device is connected with the feed port of the electric regulating valve of the separation membrane system, the discharge hole of the electric regulating valve of the separation membrane device is connected with the feed inlet of the second flowmeter of the separation membrane device, and the discharge hole of the second flowmeter of the separation membrane device is connected with the feed hole of the micromolecule waste liquid tank.
6. The apparatus for separating and concentrating food items according to claim 5, wherein a lift pump is provided in each of the first and second return lines for lifting the items.
7. A method for separating and concentrating food materials is characterized by comprising the following steps:
1) separating the high molecular weight waste liquid:
conveying the qualified pretreated stock solution material to a stock solution tank for storage, starting a first material pump to pump the stock solution material into a high molecular weight ultrafiltration membrane device for separation and purification, feeding the separated extracting solution into an extraction solution tank for storage, and returning the separated high molecular weight feed solution to the stock solution tank for circulation and separation and purification until the economy of the separation concentration of the high molecular weight feed solution is not suitable for circular separation any more;
2) discharging or recycling the separated waste liquid in the stock solution tank to a biogas power generation system for reuse/fertilizer production;
3) separating the small molecular weight waste liquid:
pumping the separated extracting solution into a small molecule separation membrane device through a second material pump for secondary separation and purification, and discharging or recycling the separated small molecular weight waste liquid after entering a small molecule waste liquid tank; and returning the separated extracting solution to an extracting solution tank for circulation, and then separating and purifying until the economy of the separation concentration of the extracting solution is not suitable for circular separation any more.
8. The method for separating and concentrating food material according to claim 7, wherein the water separated from the small molecule waste liquid tank can be returned to the small molecule separation membrane device for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001766.3A CN112370971A (en) | 2020-09-22 | 2020-09-22 | Separation and concentration method and separation and concentration device for food materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001766.3A CN112370971A (en) | 2020-09-22 | 2020-09-22 | Separation and concentration method and separation and concentration device for food materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112370971A true CN112370971A (en) | 2021-02-19 |
Family
ID=74586662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011001766.3A Pending CN112370971A (en) | 2020-09-22 | 2020-09-22 | Separation and concentration method and separation and concentration device for food materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112370971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058433A (en) * | 2021-03-19 | 2021-07-02 | 苏州晶洲装备科技有限公司 | Useless developer solution filtration system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127833A (en) * | 2013-02-05 | 2013-06-05 | 山东兆光色谱分离技术有限公司 | Nanofiltration membrane system applied to fermented liquid purification |
| CN103537192A (en) * | 2013-10-25 | 2014-01-29 | 上海珺领生化科技有限公司 | Membrane integration device for purifying and concentrating Ertapenem aqueous solution |
| CN205874272U (en) * | 2016-06-15 | 2017-01-11 | 赛普特环保技术(厦门)有限公司 | Soybean peptide desalination purification enrichment facility |
| JP2020044470A (en) * | 2018-09-14 | 2020-03-26 | 旭化成株式会社 | Concentration system of solvent-containing article |
| CN111266012A (en) * | 2018-12-05 | 2020-06-12 | 广州中国科学院先进技术研究所 | Continuous membrane integration device and process for medicine separation and concentration |
| CN111530293A (en) * | 2020-05-22 | 2020-08-14 | 四川绿沃创新环保工程有限公司 | Continuous flow-through membrane filtration device and method |
-
2020
- 2020-09-22 CN CN202011001766.3A patent/CN112370971A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127833A (en) * | 2013-02-05 | 2013-06-05 | 山东兆光色谱分离技术有限公司 | Nanofiltration membrane system applied to fermented liquid purification |
| CN103537192A (en) * | 2013-10-25 | 2014-01-29 | 上海珺领生化科技有限公司 | Membrane integration device for purifying and concentrating Ertapenem aqueous solution |
| CN205874272U (en) * | 2016-06-15 | 2017-01-11 | 赛普特环保技术(厦门)有限公司 | Soybean peptide desalination purification enrichment facility |
| JP2020044470A (en) * | 2018-09-14 | 2020-03-26 | 旭化成株式会社 | Concentration system of solvent-containing article |
| CN111266012A (en) * | 2018-12-05 | 2020-06-12 | 广州中国科学院先进技术研究所 | Continuous membrane integration device and process for medicine separation and concentration |
| CN111530293A (en) * | 2020-05-22 | 2020-08-14 | 四川绿沃创新环保工程有限公司 | Continuous flow-through membrane filtration device and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113058433A (en) * | 2021-03-19 | 2021-07-02 | 苏州晶洲装备科技有限公司 | Useless developer solution filtration system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107055712A (en) | A kind of method that utilization two benches bipolar membrane electrodialysis reclaims ammonia nitrogen, phosphorus and volatile fatty acid in feces of livestock and poultry hydrolyzate | |
| CN204111542U (en) | A kind of novel dyeing waste water biochemical treatment apparatus | |
| CN103224305A (en) | Treatment method of wastewater containing dimethylamine | |
| CN112370971A (en) | Separation and concentration method and separation and concentration device for food materials | |
| CN101870639A (en) | Method for producing kelp mannitol with low energy consumption | |
| CN101602560A (en) | The concentrated recovery method and the device of low-concentration industrial waste acid water | |
| CN211734028U (en) | Reverse osmosis device with high recovery rate | |
| CN202808773U (en) | Series connection device of multiple stages of acrylamide reaction kettles | |
| CN208517391U (en) | A kind of pure oxygen circulating fermentation system | |
| CN201901618U (en) | Nickel plating wastewater treatment and recycle device | |
| CN202089806U (en) | Water-saving and energy-saving reverse-osmosis device | |
| CN103848422B (en) | Activated carbon purging system and method thereof | |
| CN216336747U (en) | Device for preparing calcium chloride concentrated solution by ammonia distillation wastewater | |
| CN211570183U (en) | Landfill leachate treatment device | |
| CN201596467U (en) | Concentrated water reuse system for reverse osmosis unit | |
| CN202322680U (en) | Fermentation mother liquor recovering system | |
| CN102249460B (en) | Pretreatment method for photosensitive material waste water | |
| CN216972219U (en) | Dilute sulfuric acid concentration recovery system in chemical production | |
| CN100595207C (en) | Method for continuous extraction in casein producing waste water by using film filtration | |
| CN220642842U (en) | Zero-pollution emission treatment equipment for graphene production wastewater | |
| CN203728580U (en) | Sulfamic acid production line with dilute sulfuric acid recycling system | |
| CN204356274U (en) | A kind of separation thickening equipment of gelatin | |
| CN110227352A (en) | A kind of biogas slurry method for concentration based on UF membrane | |
| CN216005482U (en) | Selective electrodialysis device and system for continuously treating biogas slurry | |
| CN204958571U (en) | Coking wastewater nanofiltration concentrate processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |
|
| RJ01 | Rejection of invention patent application after publication |