CN204275819U - A kind of ultrafiltration apparatus for soy sauce, vinegar - Google Patents

Abstract

The utility model discloses an ultrafiltration device for soy sauce and vinegar, which comprises: a front-stage active coke adsorber and a second-stage ultra-microfiltration membrane filter; the clear liquid outlet of the active coke adsorber is connected to the The liquid inlets of the ultra-microfiltration membrane filter are connected; the ultra-microfiltration membrane filter is provided with a filtering area, and the filtering material in the filtering area is a plurality of hollow fibers of n-type structure, and the two lower parts of the n-type structure are The open ends are all used to lead out the pure liquid of soy sauce or vinegar, and the pure liquid is exported through the clean liquid outlet; the unfiltered soy sauce or vinegar returns to the liquid inlet through the circulation outlet and the pipeline. The soy sauce or vinegar after ultra-micro filtration is clear and transparent, and there will be no precipitation after long-term storage, and the product loss in the filtration process is minimized by circulating filtration, that is, the product loss in the filtration process is less than 1%.

Description

A kind of ultrafiltration equipment for soy sauce and vinegar

technical field

The utility model relates to an ultrafiltration device for filtering impurities in soy sauce and vinegar.

Background technique

Soy sauce and vinegar are necessary condiments in people's daily life. During the production process, there will inevitably be residues that cannot be removed by simple precipitation and filtration. Therefore, in the existing bottled or barreled products, there are often black Precipitation exists and affects the color and taste of dishes during cooking.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide an ultrafiltration device for removing impurities in soy sauce and vinegar. The quality loss of the product filtered by this equipment is small, but the color of the finished product is clear and transparent, and there is no precipitation after long-term storage.

In order to achieve the above object, a kind of ultrafiltration equipment used for soy sauce and vinegar of the present utility model comprises: the active coke adsorber of preceding stage and the ultramicrofiltration membrane filter of secondary stage; Described ultramicrofiltration membrane filter is provided with advanced Liquid port, circulation outlet and net liquid outlet; the active coke adsorber is provided with raw liquid inlet, sewage outlet and clear liquid outlet, and the clear liquid outlet of the active coke adsorber is connected with the liquid inlet of the ultra-microfiltration membrane filter through a connecting pipe ; The ultra-microfiltration membrane filter is provided with a filter area, and the filter material in the filter area is a plurality of hollow fibers of n-type structure, and the two open ends of the bottom of the n-type structure are used to lead out soy sauce or vinegar. Pure liquid, the pure liquid is exported through the clean liquid outlet; unfiltered soy sauce or vinegar is returned to the liquid inlet through the circulation outlet and the pipeline.

Further, a pressure control valve is provided at the circulation outlet; a liquid delivery pump is provided at the liquid inlet, and the unfiltered soy sauce or vinegar is returned to the ultra-microfiltration membrane filter through the liquid delivery pump Perform cycle filtration. The clear liquid outlet of the activated coke adsorber is sequentially connected to the liquid inlet of the ultra-microfiltration membrane filter through a connecting pipe and the liquid delivery pump.

Further, the material of the hollow fiber is polysulfone, its outer diameter is 400±20 μm, and its inner diameter is 250±20 μm; the pore diameter of the ultramicrofiltration membrane of the hollow fiber is 0.07-0.08 μm.

Further, the activated coke adsorber is provided with a dirty liquid area, an adsorption area and a clear liquid area from bottom to top, the adsorption material in the adsorption area is active coke with a particle size of ф10-15mm, and the thickness of the active coke is not less than 700mm; A lower diaphragm is arranged between the liquid region and the adsorption region, and an upper diaphragm is arranged between the clear liquid region and the adsorption region.

Further, the raw liquid to be purified enters the dirty liquid area through the raw liquid inlet, and the raw liquid enters through the adsorption area through reverse osmosis from bottom to top under the hydraulic pressure or the static pressure of the pre-stage liquid storage tank, or the pressure of the water pump. In the clear liquid area, the raw liquid becomes clear liquid after adsorption treatment, and the clear liquid flows out through the clear liquid outlet, and the dirty liquid or impurities in the dirty liquid area can be discharged through the sewage outlet.

Further, the raw liquid inlet and the clear liquid outlet of the active coke adsorber are arranged at the upper part of the clear liquid area, the raw liquid enters the dirty liquid area through the raw liquid inlet and the water diversion pipe, and the sewage outlet is arranged at the bottom of the dirty liquid area.

Further, the total length of the hollow fiber is at least 1000 mm, and the number is at least 15,000. After being loaded into the filtration area of the ultra-microfiltration membrane filter, sealant is used to connect the ultra-microfiltration membrane at a distance of 20 mm from the opening end of the hollow fiber. The filter is fixed, and the sealant divides the inside of the ultra-microfiltration membrane filter into a clean liquid area and a filter area.

The soy sauce or vinegar after ultra-micro filtration is clear and transparent, and there will be no precipitation after long-term storage, and the product loss in the filtration process is minimized through circulating filtration, that is, the product loss in the filtration process is less than 1%.

Description of drawings

Fig. 1 is the structural representation of the utility model in the embodiment.

Detailed ways

The specific embodiment of the present utility model is described below in conjunction with accompanying drawing.

As shown in Figure 1, a kind of ultrafiltration equipment that is used for soy sauce, vinegar comprises: the active coke adsorber 10 of preceding stage and the ultramicrofiltration membrane filter 20 of secondary stage;

The inside of the ultra-microfiltration membrane filter 20 is divided into a clean liquid area 27 and a filtering area 26 from bottom to top, and the filtering material in the filtering area 26 is several hollow fibers 22 with n-type structure. The filter zone 26 is provided with a liquid inlet 21 and a circulation outlet 24 , and the clean liquid zone 27 is provided with a clean water outlet 23 . The clear liquid outlet 16 of the activated coke adsorber 10 communicates with the liquid inlet 21 of the ultra-microfiltration membrane filter 20 through a connecting pipe.

The two open ends of the lower part of the n-type structure are used to lead out the pure liquid of soy sauce or vinegar, and the pure liquid is exported through the clean liquid outlet 23; the unfiltered soy sauce or vinegar is returned to the liquid inlet through the circulation outlet 24 and the pipeline Mouth 21. A pressure gauge 31 and a pressure control valve 32 are arranged in turn at the circulation outlet 24; a liquid delivery pump 33 is arranged at the liquid inlet 21, and the unfiltered soy sauce or vinegar returns to the ultra-microfiltration membrane filter 20 through the liquid delivery pump 33 In-cycle filtration. The hollow fiber 22 is made of polysulfone with an outer diameter of 400±20 μm and an inner diameter of 250±20 μm; the pore diameter of the ultra-microfiltration membrane of the hollow fiber is 0.07-0.08 μm. The total length of the hollow fiber is at least 1000 mm, and the number is at least 15,000. After being loaded into the filter area 26 of the ultra-microfiltration membrane filter, sealant is used to fix the ultra-microfiltration membrane filter at a distance of 20 mm from the opening end of the hollow fiber, and The sealant divides the inside of the ultra-microfiltration membrane filter into a clean liquid area 27 and a filtering area 26 .

The activated coke adsorber 10 is equipped with a dirty liquid area 12, an adsorption area 13 and a clear liquid area 14 from bottom to top. The adsorption material in the adsorption area 13 is active coke 15 with a particle size of ф10-15mm, and the thickness of the active coke is not less than 700mm . A lower diaphragm is arranged between the dirty liquid area and the adsorption area, and an upper diaphragm is arranged between the clear liquid area and the adsorption area.

The activated coke adsorber 10 includes a raw pulp inlet 11, a sewage outlet 19 and a clear liquid outlet 16. The raw pulp or raw liquid to be purified enters the sewage area 12 through the raw pulp inlet 11. Press down, or under the pressure of the water pump, reverse osmosis enters the clear liquid area 14 through the adsorption area 13 from bottom to top, and the raw slurry becomes clear liquid after adsorption treatment, and the clear liquid flows out through the clear liquid outlet, and the sewage in the dirty liquid area or Impurities can be discharged through the sewage outlet 19.

The pressure in the ultra-microfiltration membrane filter is adjusted by the pressure control valve 32, and the pressure gauge 31 monitors the pressure value at any time, and the unfiltered soy sauce or vinegar is returned to the ultra-microfiltration membrane filter by the liquid delivery pump for circulating filtration. Finally, the unfiltered liquid or impurities are discharged through the drain port 29 . Alternatively, a drainage shunt 29a is provided at the circulation outlet 24, and the dirty liquid can be directly discharged from the discharge shunt 29a by setting an opening valve.

The above only describes several preferred embodiments of the present application in conjunction with the accompanying drawings, but the present application is not limited thereto, any improvement and/or deformation made by those skilled in the art without departing from the spirit of the present application shall belong to protection scope of this application.

Claims (8)

1. a kind of ultrafiltration equipment that is used for soy sauce, vinegar, it is characterized in that, it comprises: the active coke adsorber of preceding stage and the ultramicrofiltration membrane filter of two levels; Described ultramicrofiltration membrane filter is provided with advanced Liquid port, circulation outlet and net liquid outlet; the active coke adsorber is provided with raw liquid inlet, sewage outlet and clear liquid outlet, and the clear liquid outlet of the active coke adsorber is connected with the liquid inlet of the ultra-microfiltration membrane filter through a connecting pipe ; The ultra-microfiltration membrane filter is provided with a filter area, and the filter material in the filter area is a plurality of hollow fibers of n-type structure, and the two open ends of the bottom of the n-type structure are used to lead out soy sauce or vinegar. Pure liquid, the pure liquid is exported through the clean liquid outlet; unfiltered soy sauce or vinegar is returned to the liquid inlet through the circulation outlet and the pipeline. 2. ultrafiltration equipment as claimed in claim 1, is characterized in that, described circulation outlet is provided with pressure control valve; Described liquid inlet place is provided with liquid transfer pump, and described unfiltered soy sauce or vinegar The liquid delivery pump returns to the ultramicrofiltration membrane filter for circulating filtration. 3. The ultrafiltration device according to claim 2, wherein the clear liquid outlet of the activated coke adsorber is connected to the liquid inlet of the ultra-microfiltration membrane filter through a connecting pipe and the liquid delivery pump in sequence. 4. The ultrafiltration device according to claim 1, wherein the material of the hollow fiber is polysulfone, its outer diameter is 400 ± 20 μm, and its inner diameter is 250 ± 20 μm; The pore size is 0.07-0.08 μm. 5. ultrafiltration equipment as claimed in claim 1, is characterized in that, in described active coke adsorber, be provided with foul liquid area, adsorption area and clear liquid area from bottom to top, the adsorption material in the adsorption area is that particle size is ф10-15mm active coke, the thickness of the active coke is not less than 700mm; there is a lower diaphragm between the dirty liquid area and the adsorption area, and an upper diaphragm between the clear liquid area and the adsorption area. 6. The ultrafiltration device as claimed in claim 5, wherein the stock solution to be purified enters the dirty liquid area through the stock solution inlet, and the stock solution is under the hydraulic pressure or the static pressure of the pre-stage liquid storage tank, or the water pump pressure Bottom-up, reverse osmosis enters the clear liquid area through the adsorption area from bottom to top. Mouth discharge. 7. ultrafiltration equipment as claimed in claim 6, is characterized in that, the stoste inlet of described activated coke adsorber and the clear liquid outlet are arranged on the top of the clear liquid area, and stoste enters the dirty liquid area through stoste inlet and water diversion pipe, so The sewage outlet is arranged at the bottom of the sewage area. 8. ultrafiltration equipment as claimed in claim 4, it is characterized in that, described hollow fiber total length is at least 1000mm, and quantity is at least 15,000, after packing into the filter district of described ultramicrofiltration membrane filter, seal with The glue is fixed to the ultra-microfiltration membrane filter at a distance of 20mm from the opening end of the hollow fiber, and the sealant divides the interior of the ultra-microfiltration membrane filter into a clean liquid area and a filtration area.