CN216458072U - Coffee liquid concentration system based on membrane integration technology - Google Patents
Coffee liquid concentration system based on membrane integration technology Download PDFInfo
- Publication number
- CN216458072U CN216458072U CN202122525110.8U CN202122525110U CN216458072U CN 216458072 U CN216458072 U CN 216458072U CN 202122525110 U CN202122525110 U CN 202122525110U CN 216458072 U CN216458072 U CN 216458072U
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- ceramic membrane
- membrane
- osmosis membrane
- coffee
- 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.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a coffee liquid concentration system based on a membrane integration technology, which comprises a ceramic membrane filtration system and a reverse osmosis membrane concentration system, wherein the ceramic membrane filtration system comprises a clarification buffer tank, a security filter I and a ceramic membrane component, the reverse osmosis membrane concentration system comprises a concentration buffer tank, a security filter II and a reverse osmosis membrane component, coffee extract in the clarification buffer tank is sequentially filtered by the security filter I and the ceramic membrane component, the filtered ceramic membrane permeate enters a concentrate buffer tank, and is sequentially filtered by the security filter II for two times and dehydrated by the reverse osmosis membrane component, the treated reverse osmosis membrane permeate is directly discharged, and the concentrate is discharged as a finished liquid. According to the utility model, the ceramic membrane component is adopted to clarify and filter the coffee extract, the filtered ceramic membrane permeate liquid has no macroscopic insoluble impurities, and the reverse osmosis membrane component is adopted to replace heat concentration, so that the time of subsequent evaporation or freeze drying is greatly shortened, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of coffee production, in particular to a coffee liquid concentration system based on a membrane integration technology.
Background
Coffee, cocoa and tea are called as three world beverages, coffee has various effects of refreshing, restoring consciousness, resisting oxidation and the like, caffeine in coffee can stimulate a nervous system, improve the memory and recognition capability of the brain, promote the secretion of insulin and reduce the risk of diabetes, and common coffee in the market at present mainly takes instant coffee as a main ingredient, is mainly convenient to carry and brew and meets the requirements of modern young people on fast-paced life.
The production process of the existing instant coffee generally comprises the following steps: hot water extraction-decanter centrifuge-bag filtration-blending-sterilization-thermal concentration-spray drying/freeze drying, however, this production process suffers from several disadvantages: firstly, due to the insufficient filtering precision of the horizontal screw centrifuge and the bag filter, partially insoluble substances still exist in the product after filtering, precipitates are generated when coffee is brewed, and secondly, the hot concentration can cause various odors of the coffee to be lost, so that the taste of the product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the technical problems mentioned in the background art, a coffee liquid concentration system based on membrane integration technology is proposed.
In order to achieve the purpose, the utility model adopts the following technical scheme:
coffee liquid concentrated system based on membrane integration technology, including ceramic membrane filtration system and reverse osmosis membrane concentrated system, ceramic membrane filtration system includes clarification buffer tank, cartridge filter one and ceramic membrane module, reverse osmosis membrane concentrated system includes concentrated buffer tank, cartridge filter two and reverse osmosis membrane module, coffee extract in the clarification buffer tank filters through cartridge filter one and ceramic membrane module in proper order, and the ceramic membrane permeate liquid after the filtration gets into the concentrate buffer tank, loops through cartridge filter two secondary filtration and reverse osmosis membrane module dehydration again, and the reverse osmosis membrane permeate liquid after the processing directly discharges, and the concentrate is discharged as the finished product liquid.
As a further description of the above technical solution:
the ceramic membrane filtering system further comprises a first feeding pump, wherein the first feeding pump is arranged between the clarification buffer tank and the first cartridge filter and used for feeding coffee extracting solution into the first cartridge filter and the ceramic membrane component.
As a further description of the above technical solution:
the ceramic membrane filtration system also comprises a first circulating pump connected with the ceramic membrane component and used for ensuring the cross flow velocity on the surface of the ceramic membrane.
As a further description of the above technical solution:
the membrane area in the ceramic membrane component and the reverse osmosis membrane component is not less than 0.1 square meter.
As a further description of the above technical solution:
the reverse osmosis membrane concentration system further comprises a second feeding pump and a high-pressure pump, the second feeding pump is arranged between the concentration buffer tank and the second cartridge filter, the high-pressure pump is arranged between the second cartridge filter and the reverse osmosis membrane assembly, and ceramic membrane permeate is sent into the second cartridge filter and the reverse osmosis membrane assembly through the second feeding pump and the high-pressure pump.
As a further description of the above technical solution:
the reverse osmosis membrane concentration system further comprises a second circulating pump, the second circulating pump is arranged between the high-pressure pump and the reverse osmosis membrane assembly and is used for ensuring the cross flow velocity on the surface of the reverse osmosis membrane assembly.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. in the utility model, the bag-type filtered coffee extract is clarified and filtered by adopting a ceramic membrane module, and the filtered ceramic membrane permeate has no macroscopic insoluble impurities and has turbidity less than 3 NTU.
2. In the utility model, the reverse osmosis membrane component is adopted to replace thermal concentration, the whole concentration process is equivalently carried out in a closed container, the loss component is very little, the whiteness of the finished product liquid is improved from 4Brix to more than 15Brix, the time of subsequent evaporation or freeze drying is greatly shortened, and the cost is reduced.
Drawings
Fig. 1 shows a process flow diagram of a ceramic membrane filtration system of a coffee liquid concentration system based on membrane integration technology provided according to an embodiment of the utility model;
fig. 2 shows a process flow diagram of a reverse osmosis membrane concentration system of a coffee liquid concentration system based on a membrane integration technology provided by the embodiment of the utility model.
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.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the coffee liquid concentration system based on the membrane integration technology comprises a ceramic membrane filtration system and a reverse osmosis membrane concentration system, wherein the ceramic membrane filtration system comprises a clarification buffer tank, a first security filter and a ceramic membrane component, the membrane area in the ceramic membrane component and the reverse osmosis membrane component is not less than 0.1 square meter, the required membrane area can be designed according to the processing capacity of the ceramic membrane component and the reverse osmosis membrane component, the membrane area is at least 0.1 square meter and has no upper limit, the ceramic membrane filtration system also comprises a first feeding pump, the first feeding pump is arranged between the clarification buffer tank and the first security filter and is used for feeding coffee extracting solution into the first security filter and the ceramic membrane component, the reverse osmosis membrane concentration system comprises a concentration buffer tank, a second security filter and a reverse osmosis membrane component, the reverse osmosis membrane concentration system also comprises a second feeding pump and a high-pressure pump, the second feeding pump is arranged between the concentration buffer tank and the second security filter, the high-pressure pump is arranged between the second security filter and the reverse osmosis membrane component, delivering the ceramic membrane permeate into a cartridge filter II and a reverse osmosis membrane assembly through a feeding pump II and a high-pressure pump, sequentially filtering the coffee extract in a clarification buffer tank through the cartridge filter I and the ceramic membrane assembly, delivering the filtered ceramic membrane permeate into a concentrated solution buffer tank, sequentially performing secondary filtration through the cartridge filter II and dehydration through the reverse osmosis membrane assembly, directly discharging the treated reverse osmosis membrane permeate, and discharging the concentrated solution as a finished product solution;
firstly, coffee beans are extracted by crushing hot water and then enter a horizontal decanter centrifuge to take out large-particle impurities, filtrate obtained after horizontal decanter centrifugation is filtered by a bag filter with the precision of 10 mu m, insoluble impurities are further removed, the bag filter filtrate is taken as coffee extract and sent into a clarification buffer tank, the coffee extract obtained after bag filtration is conveyed by a feed pump I to a cartridge filter I and a ceramic membrane component, the temperature of feed liquid is about 60-70 ℃, the operating pressure is controlled within 3Bar, the filtration precision of the ceramic membrane component is 50nm, the turbidity of ceramic membrane permeate is less than 3NTU, the coffee extract obtained after bag filtration is clarified and filtered by the ceramic membrane component, the filtered ceramic membrane permeate has no macroscopic insoluble impurities and has the turbidity of less than 3NTU, and the water flux of the ceramic membrane component can reach 50L/square meter.h;
secondly, ceramic membrane permeate enters a concentration buffer tank, is sent into a security filter II through a feeding pump II, is sent into a reverse osmosis membrane assembly after being pressurized by a high-pressure pump, is dehydrated by the reverse osmosis membrane assembly, is directly discharged and is discharged as finished liquid, the Brix of the concentrated liquid is increased from 4Brix to more than 15Brix, namely more than 75% of water in volume is removed, the time of subsequent evaporation or freeze drying is greatly shortened, the cost is reduced, the concentrated liquid can be directly dried or sold after being prepared, the reverse osmosis membrane assembly is adopted to replace heat concentration, the whole concentration process is equivalently carried out in a closed container, the loss component is extremely small, the operating temperature is 60-70 ℃, the operating pressure is 25-35Bar, and the water yield can reach 15L/square meter.h;
the instant coffee prepared by the traditional process and the instant coffee prepared by the production process of the utility model are detected by sensory evaluation detection method, and the evaluation results are shown in the following table 1:
TABLE 1 sensory evaluation criteria
Specifically, as shown in fig. 1, the ceramic membrane filtration system further includes a first circulation pump connected to the ceramic membrane module to ensure cross-flow velocity on the surface of the ceramic membrane.
Specifically, as shown in fig. 2, the reverse osmosis membrane concentration system further includes a second circulation pump, the second circulation pump is disposed between the high-pressure pump and the reverse osmosis membrane module, and the second circulation pump is used for ensuring the cross flow velocity on the surface of the reverse osmosis membrane module.
The working principle is as follows: when the coffee bean clarifying filter is used, firstly, coffee beans are extracted by crushing hot water and then enter a horizontal screw centrifuge to take out large-particle impurities, filtrate obtained after the horizontal screw centrifuge is filtered by a bag filter with the precision of 10 mu m, insoluble impurities are further removed, the bag filter filtrate is taken as coffee extract and sent into a clarifying buffer tank, the coffee extract obtained after the bag filter is conveyed into a cartridge filter I and a ceramic membrane component by a feeding pump I, the temperature of feed liquid is about 60-70 ℃, the operating pressure is controlled within 3Bar, the filtering precision of the ceramic membrane component is 50nm, the turbidity of ceramic membrane permeate is less than 3NTU, the coffee extract obtained after the bag filter is clarified and filtered by the ceramic membrane component, the filtered ceramic membrane permeate has no macroscopic insoluble impurities and has the turbidity of less than 3NTU, and the water production flux of the ceramic membrane component can reach 50L/square meter.h;
secondly, ceramic membrane permeate enters a concentration buffer tank, is sent into a security filter II through a feeding pump II, is sent into a reverse osmosis membrane assembly after being pressurized by a high-pressure pump, is dehydrated by the reverse osmosis membrane assembly, is directly discharged and is discharged as finished liquid, the Brix of the concentrated liquid is increased from 4Brix to more than 15Brix, namely more than 75% of water in volume is removed, the time of subsequent evaporation or freeze drying is greatly shortened, the cost is reduced, the concentrated liquid can be directly dried or sold after being prepared, the reverse osmosis membrane assembly is adopted to replace heat concentration, the whole concentration process is equivalently carried out in a closed container, the loss components are extremely small, the operating temperature is 60-70 ℃, the operating pressure is 25-35Bar, and the water yield can reach 15L/square meter.h.
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 person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The coffee liquid concentration system based on the membrane integration technology is characterized by comprising a ceramic membrane filtration system and a reverse osmosis membrane concentration system, wherein the ceramic membrane filtration system comprises a clarification buffer tank, a first security filter and a ceramic membrane component, the reverse osmosis membrane concentration system comprises a concentration buffer tank, a second security filter and a reverse osmosis membrane component, coffee extract in the clarification buffer tank is sequentially filtered by the first security filter and the ceramic membrane component, filtered ceramic membrane permeate enters the concentrate buffer tank and then sequentially filtered by the second security filter and dehydrated by the reverse osmosis membrane component, the treated reverse osmosis membrane permeate is directly discharged, and the concentrate is discharged as a finished product liquid.
2. The membrane integrated technology-based coffee concentrating system of claim 1, wherein the ceramic membrane filtration system further comprises a first feed pump disposed between the clarification buffer tank and the first cartridge filter for feeding coffee extract into the first cartridge filter and the ceramic membrane module.
3. The coffee concentrating system based on membrane integration technology as claimed in claim 2, wherein the ceramic membrane filtration system further comprises a first circulation pump connected to the ceramic membrane module for ensuring cross flow velocity on the surface of the ceramic membrane.
4. The coffee concentrating system based on membrane integration technology of claim 3, wherein the membrane area in the ceramic membrane module and the reverse osmosis membrane module is not less than 0.1 square meter.
5. The membrane integration technology-based coffee concentrating system of claim 1, further comprising a second feed pump and a high-pressure pump, wherein the second feed pump is disposed between the concentrating buffer tank and the second cartridge filter, the high-pressure pump is disposed between the second cartridge filter and the reverse osmosis membrane module, and the ceramic membrane permeate is delivered to the second cartridge filter and the reverse osmosis membrane module through the second feed pump and the high-pressure pump.
6. The coffee concentrating system based on membrane integration technology as claimed in claim 5, further comprising a second circulation pump disposed between the high pressure pump and the reverse osmosis membrane module, wherein the second circulation pump is used for ensuring cross flow velocity on the surface of the reverse osmosis membrane module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122525110.8U CN216458072U (en) | 2021-10-20 | 2021-10-20 | Coffee liquid concentration system based on membrane integration technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122525110.8U CN216458072U (en) | 2021-10-20 | 2021-10-20 | Coffee liquid concentration system based on membrane integration technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216458072U true CN216458072U (en) | 2022-05-10 |
Family
ID=81442294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122525110.8U Active CN216458072U (en) | 2021-10-20 | 2021-10-20 | Coffee liquid concentration system based on membrane integration technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216458072U (en) |
-
2021
- 2021-10-20 CN CN202122525110.8U patent/CN216458072U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100366169C (en) | 'Puer' caffeine and processing method | |
| CN100381130C (en) | Bee pollen nutrition oral liquid and preparation method thereof | |
| CN101301016B (en) | Camellia functional instant tea powder and preparation thereof | |
| CN101671378B (en) | Method for extracting and separating stevioside by vacuum low temperature | |
| WO2018196476A1 (en) | Process for preparing decolored concentrated fresh momordica grosvenori juice | |
| CN104543150B (en) | A kind of preparation method of low fluorine instant tea powder | |
| CN102293280A (en) | Instant green tea and production process | |
| CN107362200A (en) | A kind of method that isolating alkaloids and flavones are extracted from mulberry leaf | |
| CN103478838A (en) | Honeysuckle kudzuvine root beverage and preparation method thereof | |
| CN105494765A (en) | Instant tea and preparing method thereof | |
| CN109601673A (en) | Clarification type ground coffee and preparation method thereof | |
| CN104489150A (en) | Method for solving creaming down of green-tea concentrated solution by utilizing compound-enzyme preparation | |
| CN101366427B (en) | Processing method for cold instant white tea powder | |
| CN216458072U (en) | Coffee liquid concentration system based on membrane integration technology | |
| CN104770507A (en) | Method for concentrating tealeaf extract by using wide-runner high-temperature-resistant reverse osmosis membrane | |
| CN102174360B (en) | Process for preparing largehead atractylodes rhizome tonic spirit | |
| CN109329492A (en) | A kind of composite instant tea and preparation method thereof | |
| CN104397291A (en) | Preparation method of concentrated juice of herbal tea | |
| CN107397013A (en) | The processing technology of low-sugar white tea drink | |
| CN1328977C (en) | Deep processing method of seabuckthorn fruit mud | |
| KR100617500B1 (en) | Process of preparing concentrate for herb drink from herbal materials | |
| CN101669551A (en) | Production method of low-sugar soya-bean milk | |
| CN103462166A (en) | Pueraria flavones functional drink and preparation method thereof | |
| CN107568528A (en) | A kind of manufacture craft of red date concentrated juice | |
| KR0154543B1 (en) | Process for counter current extraction of coffee |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |