CN211570338U - Super-frequency vibration ultrafiltration reverse osmosis system - Google Patents
Super-frequency vibration ultrafiltration reverse osmosis system Download PDFInfo
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- CN211570338U CN211570338U CN201922345500.XU CN201922345500U CN211570338U CN 211570338 U CN211570338 U CN 211570338U CN 201922345500 U CN201922345500 U CN 201922345500U CN 211570338 U CN211570338 U CN 211570338U
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Abstract
The utility model relates to a water treatment system field, especially super-frequency vibration ultrafiltration reverse osmosis system. The treatment system comprises an electric flocculation device, a sludge water tank, a sludge pump, a water production tank, a primary booster pump, a primary security filter, a primary high-pressure pump, an ultra-frequency vibration ultrafiltration membrane element, a primary circulating pump, a middle water tank, a secondary booster pump, a secondary security filter, a secondary high-pressure pump, an ultra-frequency vibration reverse osmosis membrane element, a secondary circulating pump, a finished product water tank, a sludge reactor, a screw pump, a plate-and-frame filter press and a cleaning system. The utility model discloses an electric flocculation device carries out the preliminary treatment to sewage, strains through one-level security filter and super-frequency vibration ultrafiltration membrane element and filters sewage. And reverse osmosis filtration is carried out through a secondary cartridge filter and an over-frequency vibration reverse osmosis membrane element. The pipeline is cleaned by the cleaning system through the filtered water. The application improves the filtration efficiency of raw water, reduces the resource consumption and improves the cleaning efficiency of pipelines and membrane elements.
Description
Technical Field
The utility model relates to a water treatment system field, especially super-frequency vibration ultrafiltration reverse osmosis system.
Background
The necessary working procedures in industrial production during sewage treatment. The existing sewage treatment steps are single, so that the sewage treatment efficiency is low, and the resource consumption is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems described in the background art, the utility model provides an ultra-frequency vibration ultrafiltration reverse osmosis system. The sewage is pretreated by an electric flocculation device, and then the sludge is treated by a sludge reactor and a plate-and-frame filter press. The sewage is filtered by a first-stage security filter and an ultra-frequency vibration ultrafiltration membrane element. And reverse osmosis filtration is carried out through a secondary cartridge filter and an over-frequency vibration reverse osmosis membrane element. The pipeline is cleaned by the cleaning system through the filtered water. The application improves the filtration efficiency of raw water, reduces the resource consumption and improves the cleaning efficiency of pipelines and membrane elements.
The utility model provides a technical scheme that its technical problem adopted is:
an ultra-frequency vibration ultra-filtration reverse osmosis system comprises an electric flocculation device, a sludge water tank, a sludge pump, a water production tank, a primary booster pump, a primary security filter, a primary high-pressure pump, an ultra-frequency vibration ultra-filtration membrane element, a primary circulating pump, an intermediate water tank, a secondary booster pump, a secondary security filter, a secondary high-pressure pump, an ultra-frequency vibration reverse osmosis membrane element, a secondary circulating pump, a finished product water tank, a sludge reactor, a screw pump, a plate frame filter press and a cleaning system, wherein the sludge discharge port of the electric flocculation device, the sludge water tank, the sludge pump, the sludge reactor, the screw pump and the plate frame filter press are connected in series through a pipeline, the liquid discharge port of the plate frame filter press is connected with the inlet of the electric flocculation device through a pipeline, the water production tank, the primary booster pump, the primary security filter, the primary high-pressure pump and the, the concentrated water outlet of the ultra-frequency vibration ultrafiltration membrane element is respectively connected with the inlet and the water production tank of a primary circulating pump, the outlet of the primary circulating pump is connected with the concentrated water inlet of the ultra-frequency vibration ultrafiltration membrane element, the water production port of the ultra-frequency vibration ultrafiltration membrane element, an intermediate water tank, a secondary booster pump, a secondary security filter, a secondary high-pressure pump, the concentrated water inlet of the ultra-frequency vibration reverse osmosis membrane element is connected in series through a pipeline, the concentrated water outlet of the ultra-frequency vibration reverse osmosis membrane element is respectively connected with the inlet and the drain pipe of the secondary circulating pump, the outlet of the secondary circulating pump is connected with the concentrated water inlet of the ultra-frequency vibration reverse osmosis membrane element, the water production port of the ultra-frequency vibration reverse osmosis membrane element is connected with a finished.
Specifically, cleaning system comprises chemical cleaning case, scavenging pump and washing pipeline, and chemical cleaning case links to each other with the entry of scavenging pump, the pipeline between one-level security filter and the one-level high-pressure pump, the pipeline between second grade security filter and the second grade high-pressure pump all is connected at the export of scavenging pump through washing the pipeline, the dense water export of super frequency vibration ultrafiltration membrane element, the mouth of a river of producing of super frequency vibration ultrafiltration membrane element, the dense water export of super frequency vibration reverse osmosis membrane element, the mouth of a river of producing of super frequency vibration reverse osmosis membrane element all is connected on chemical cleaning case through washing the pipeline, install the check valve on the washing pipeline of being connected with the scavenging pump export.
Specifically, the ultra-frequency vibration ultrafiltration membrane element comprises a frame, a vibration exciter and an ultrafiltration membrane casing, wherein the frame is movably connected with a vibration plate, the vibration exciter and the ultrafiltration membrane casing are fixed on the vibration plate, an ultrafiltration membrane is installed in the ultrafiltration membrane casing, and a concentrated water inlet, a concentrated water outlet and a water producing port are formed in the ultrafiltration membrane casing.
Specifically, the super-frequency vibration reverse osmosis membrane element comprises a frame, a vibration exciter and a reverse osmosis membrane casing, wherein the frame is movably connected with a vibration plate, the vibration exciter and the reverse osmosis membrane casing are fixed on the vibration plate, a reverse osmosis membrane is installed in the reverse osmosis membrane casing, and a concentrated water inlet, a concentrated water outlet and a water producing port are formed in the reverse osmosis membrane casing.
Specifically, ball valves are installed on all the pipes of the treatment system.
Specifically, an electromagnetic flowmeter is installed on a pipeline between the primary booster pump and the primary security filter, a low-pressure switch is installed on a pipeline between the primary security filter and the primary high-pressure pump, and a high-pressure switch and a pressure transmitter are installed on a pipeline between the primary high-pressure pump and the ultra-frequency vibration nanofiltration membrane element.
Specifically, an electromagnetic flow meter is installed on a pipeline between the secondary booster pump and the secondary security filter, a low-pressure switch is installed on a pipeline between the secondary security filter and the secondary high-pressure pump, and a high-pressure switch and a pressure transmitter are installed on a pipeline between the secondary high-pressure pump and the ultra-frequency vibration reverse osmosis membrane element.
Specifically, the sludge reactor comprises a cylinder, a motor and blades, wherein the motor is fixed on the cylinder, an output shaft of the motor is fixed on a rotating rod, the blades are fixed on the rotating rod, and the blades are arranged in the cylinder.
The utility model has the advantages that: the utility model provides an overclocking hyperfiltration reverse osmosis system. The sewage is pretreated by an electric flocculation device, and then the sludge is treated by a sludge reactor and a plate-and-frame filter press. The sewage is filtered by a first-stage security filter and an ultra-frequency vibration ultrafiltration membrane element. And reverse osmosis filtration is carried out through a secondary cartridge filter and an over-frequency vibration reverse osmosis membrane element. The pipeline is cleaned by the cleaning system through the filtered water. The application improves the filtration efficiency of raw water, reduces the resource consumption and improves the cleaning efficiency of pipelines and membrane elements.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1, an electric flocculation device, 2, a sludge water tank, 3, a sludge pump, 4, a production water tank, 5, a primary booster pump, 6, a primary security filter, 7, a primary high-pressure pump, 8, an ultra-frequency vibration nanofiltration membrane element, 9, a primary circulating pump, 10, an intermediate water tank, 11, a secondary booster pump, 12, a secondary security filter, 13, a secondary high-pressure pump, 14, an ultra-frequency vibration reverse osmosis membrane element, 15, a secondary circulating pump, 16, a finished product water tank, 17, a sludge reactor, 18, a screw pump, 19, a plate and frame filter press, 20, a chemical cleaning tank and 21, a cleaning pump are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 is a schematic structural diagram of the present invention.
An ultra-frequency vibration ultra-filtration reverse osmosis system comprises an electric flocculation device 1, a sludge water tank 2, a sludge pump 3, a water production tank 4, a primary booster pump 5, a primary security filter 6, a primary high-pressure pump 7, an ultra-frequency vibration ultra-filtration membrane element 8, a primary circulating pump 9, an intermediate water tank 10, a secondary booster pump 11, a secondary security filter 12, a secondary high-pressure pump 13, an ultra-frequency vibration reverse osmosis membrane element 14, a secondary circulating pump 15, a finished product water tank 16, a sludge reactor 17, a screw pump 18, a plate frame filter press 19 and a cleaning system, wherein the sludge discharge port of the electric flocculation device 1, the sludge water tank 2, the sludge pump 3, the sludge reactor 17, the screw pump 18 and the plate frame filter press 19 are connected in series through a pipeline, the liquid discharge port of the plate frame filter press 19 is connected with the inlet of the electric flocculation device 1 through a pipeline, and the water production port, The concentrated water inlet of the primary security filter 6, the primary high-pressure pump 7 and the ultra-frequency vibration ultra-filtration membrane element 8 are connected in series through a pipeline, the concentrated water outlet of the ultra-frequency vibration ultra-filtration membrane element 8 is respectively connected with the inlet of the primary circulating pump 9 and the water production tank 4, the outlet of the primary circulating pump 9 is connected with the concentrated water inlet of the ultra-frequency vibration ultra-filtration membrane element 8, the water production port of the ultra-frequency vibration ultra-filtration membrane element 8, the middle water tank 10, the secondary booster pump 11, the secondary security filter 12, the secondary high-pressure pump 13 and the concentrated water inlet of the ultra-frequency vibration reverse osmosis membrane element 14 are connected in series through pipelines, the concentrated water outlet of the ultra-frequency vibration reverse osmosis membrane element 14 is respectively connected with the inlet and the sewage discharge pipe of the secondary circulating pump 15, the outlet of the secondary circulating pump 15 is connected with the concentrated water inlet of the ultra-frequency vibration reverse, a cleaning system is connected in the processing system. The cleaning system is by chemical cleaning case 20, scavenging pump 21 and washing pipeline are constituteed, chemical cleaning case 20 links to each other with scavenging pump 21's entry, the pipeline between one-level safety filter 6 and the one-level high-pressure pump 7, the pipeline between second grade safety filter 12 and the second grade high-pressure pump 13 all is connected the export at scavenging pump 21 through wasing the pipeline, the concentrate export of super frequency vibration ultrafiltration membrane element 8, the mouth of a river of super frequency vibration ultrafiltration membrane element 8 produces the mouth of a river, the concentrate export of super frequency vibration reverse osmosis membrane element 14, the mouth of a river of super frequency vibration reverse osmosis membrane element 14 all is connected on chemical cleaning case 20 through wasing the pipeline, install the check valve on the washing pipeline with scavenging pump 21 exit linkage. The ultra-frequency vibration ultrafiltration membrane element 8 is composed of a frame, a vibration exciter and an ultrafiltration membrane casing, wherein the frame is movably connected with a vibration plate, the vibration exciter and the ultrafiltration membrane casing are fixed on the vibration plate, an ultrafiltration membrane is installed in the ultrafiltration membrane casing, and a concentrated water inlet, a concentrated water outlet and a water producing port are formed in the ultrafiltration membrane casing. The membrane element 14 is composed of a frame, a vibration exciter and a reverse osmosis membrane casing, wherein the frame is movably connected with a vibration plate, the vibration exciter and the reverse osmosis membrane casing are fixed on the vibration plate, a reverse osmosis membrane is installed in the reverse osmosis membrane casing, and a concentrated water inlet, a concentrated water outlet and a water producing port are formed in the reverse osmosis membrane casing. Ball valves are installed on all pipelines of the processing system. Install electromagnetic flowmeter on the pipeline between one-level booster pump 5 and the one-level security filter 6, install low pressure switch on the pipeline between one-level security filter 6 and the one-level high-pressure pump 7, install high pressure switch and pressure transmitter on the pipeline between one-level high-pressure pump 7 and the super frequency vibration receive filter membrane component 8. An electromagnetic flow meter is arranged on a pipeline between the secondary booster pump 11 and the secondary security filter 12, a low-voltage switch is arranged on a pipeline between the secondary security filter 12 and the secondary high-voltage pump 13, and a high-voltage switch and a pressure transmitter are arranged on a pipeline between the secondary high-voltage pump 13 and the ultra-frequency vibration reverse osmosis membrane element 14. The sludge reactor 17 is composed of a cylinder, a motor and blades, the motor is fixed on the cylinder, an output shaft of the motor is fixed on a rotating rod, the blades are fixed on the rotating rod, and the blades are arranged in the cylinder.
The electric flocculation device 1 takes iron or aluminum as an anode, the anode is corroded under the action of direct current to generate Al and Fe plasma, and the Al and Fe plasma is developed into various hydroxyl complexes, polynuclear hydroxyl complexes or hydroxides through a series of hydrolysis, polymerization and ferrous oxidation processes, so that colloidal impurities and suspended impurities in wastewater are coagulated, precipitated and separated.
Ultrafiltration membrane: the ultrafiltration membrane is a polymer semipermeable membrane which can separate polymer colloid or suspended particles with certain size from a solution in the ultrafiltration process. The membrane has a pore diameter of 1-100 nm and belongs to an asymmetric membrane type by taking pressure as a driving force. The pore density is about 10/cm, and the operation pressure difference is 100-1000 kPa.
The reverse osmosis membrane is a core element for realizing reverse osmosis and is an artificial semipermeable membrane with certain characteristics and made by simulating a biological semipermeable membrane. Generally made of high molecular materials. Such as cellulose acetate films, aromatic polyhydrazide films, aromatic polyamide films. The diameter of the surface micropores is generally between 0.5 and 10 nm.
As shown in fig. 1, when the water pressure in the pipeline is lower than the set lower limit value, the low-pressure switch is activated to be opened, so that the first-stage high-pressure pump 7 or the second-stage high-pressure pump 13 is opened, and the first-stage high-pressure pump 7 or the second-stage high-pressure pump 13 starts to operate. When the water pressure in the pipeline is higher than the set upper limit value, the high-pressure switch is excited to be opened, and the first-stage high-pressure pump 7 or the second-stage high-pressure pump 13 starts to reduce the frequency. And the primary high-pressure pump 7 or the secondary high-pressure pump 13 is subjected to frequency conversion according to the value of the pressure transmitter.
When concentrated water is sent into super-frequency vibration ultrafiltration membrane element 8 or super-frequency vibration reverse osmosis membrane element 14 in, the vibration exciter can drive the vibration dish and produce the vibration, and the vibration dish conducts the exciting force and gives and cross ultrafiltration membrane casing or reverse osmosis membrane casing to give the ultrafiltration membrane in the ultrafiltration membrane casing or reverse osmosis membrane surface production powerful shearing force in the reverse osmosis membrane casing, thereby prevent that the membrane hole from blockking up, increase filtration efficiency.
Firstly, the electric flocculation device 1 deposits impurities in raw water, the deposited impurities enter the sludge water tank 2, and the impurities in the sludge water tank 2 are pumped into the sludge reactor 17 by the sludge pump 3. And adding a flocculating agent and a coagulant into the sludge reactor, driving the blades to rotate by a motor of the sludge reactor 17, and uniformly mixing the flocculating agent, the coagulant and muddy water by the rotating blades. The coagulant can aggregate colloidal particles and micro suspended matters in water, and the flocculant coagulates small flocs into large flocs. Finally, the muddy water is pumped into a plate-and-frame filter press 19 by a screw pump 18 to extrude the water content of the muddy water. The sludge with the water squeezed out by the plate and frame filter press 19 is taken out for outward transportation, and the water squeezed out by the plate and frame filter press 19 is sent back to the electric flocculation device 1 through a pipeline for circulation treatment.
The liquid separated from the electric flocculation device 1 is lifted by a primary booster pump 5 and sent into a primary security filter 6 for filtering. The filtered water is pumped into an ultra-frequency vibration ultrafiltration membrane element 8 through a first-stage high-pressure pump 7 for filtering. The filtered concentrated water is sent into the ultra-frequency vibration ultrafiltration membrane element 8 through the first-stage circulating pump 9 again for circulating filtration. After circulating for a certain number of times, the filtered concentrated water is respectively sent into the chemical cleaning tank 20 and the water production tank 4. And the water flowing out of the water outlet of the ultra-frequency vibration ultra-filtration membrane element 8 enters the middle water tank 10 and the chemical cleaning tank 20.
The water in the intermediate water tank 10 is lifted by the secondary booster pump 11 and sent into the secondary security filter 12 for filtering. The filtered water is pumped into the super-frequency vibration reverse osmosis membrane element 14 through a second-stage high-pressure pump 13 for higher-pressure filtration. The filtered concentrated water is pumped into the super-frequency vibration reverse osmosis membrane element 14 by the secondary circulating pump 15 for circulating filtration, when the concentrated water circulates for a certain number of times, the filtered concentrated water is respectively sent into the chemical cleaning box 20, and the rest part is sent into a sewage treatment plant for treatment. And the filtered water flowing out of the water producing port of the over-frequency vibration reverse osmosis membrane element 14 is respectively sent into the finished product water tank 16 and the chemical cleaning tank 20.
When the pipeline is cleaned, part of the water flowing out of the concentrated water outlet and the water production port of the ultra-frequency vibration ultrafiltration membrane element 8 and part of the water flowing out of the concentrated water outlet and the water production port of the ultra-frequency vibration reverse osmosis membrane element 14 flow into the chemical cleaning tank 20. Then the chemical is put into the chemical cleaning box 20 and mixed with the water filtered by the system in the chemical cleaning box 20 to form the cleaning chemical. Then the water is sent into a cleaning pipeline through a cleaning pump 21, and then flows into the pipeline of the system through the cleaning pipeline to clean the pipeline. And the cleaning agent finally flows back into the chemical cleaning tank 20 to form a circulating cleaning loop, so that the dirt in the pipeline is removed.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. An ultra-frequency vibration ultra-filtration reverse osmosis system is characterized by comprising an electric flocculation device (1), a sludge water tank (2), a sludge pump (3), a product water tank (4), a primary booster pump (5), a primary security filter (6), a primary high-pressure pump (7), an ultra-frequency vibration ultra-filtration membrane element (8), a primary circulating pump (9), an intermediate water tank (10), a secondary booster pump (11), a secondary security filter (12), a secondary high-pressure pump (13), an ultra-frequency vibration reverse osmosis membrane element (14), a secondary circulating pump (15), a finished product water tank (16), a sludge reactor (17), a screw pump (18), a plate and frame filter press (19) and a cleaning system, wherein the sludge discharge port of the electric flocculation device (1), the sludge water tank (2), the sludge pump (3), the sludge reactor (17), the screw pump (18) and the inlet of the plate and frame filter press (19, a liquid outlet of the plate-and-frame filter press (19) is connected with an inlet of the electrocoagulation device (1) through a pipeline, a water producing port of the electrocoagulation device (1), a water producing tank (4), a primary booster pump (5), a primary security filter (6), a primary high-pressure pump (7) and a concentrated water inlet of the ultra-frequency vibration ultrafiltration membrane element (8) are connected in series through pipelines, a concentrated water outlet of the ultra-frequency vibration ultrafiltration membrane element (8) is respectively connected with an inlet of a primary circulating pump (9) and the water producing tank (4), an outlet of the primary circulating pump (9) is connected with a concentrated water inlet of the ultra-frequency vibration ultrafiltration membrane element (8), a water producing port of the ultra-frequency vibration ultrafiltration membrane element (8), a middle water tank (10), a secondary booster pump (11), a secondary security filter (12), a secondary high-pressure pump (13) and a concentrated water inlet of the ultra-frequency vibration reverse, the concentrated water outlet of the ultra-frequency vibration reverse osmosis membrane element (14) is respectively connected to the inlet of a secondary circulating pump (15) and a sewage discharge pipe, the outlet of the secondary circulating pump (15) is connected to the concentrated water inlet of the ultra-frequency vibration reverse osmosis membrane element (14), the water production port of the ultra-frequency vibration reverse osmosis membrane element (14) is connected to a finished product water tank (16) through a pipeline, and a cleaning system is connected to the treatment system.
2. The ultrafiltrating reverse osmosis system of claim 1, wherein: the cleaning system is composed of a chemical cleaning box (20), a cleaning pump (21) and a cleaning pipeline, wherein the chemical cleaning box (20) is connected with an inlet of the cleaning pump (21), a pipeline between a first-stage security filter (6) and a first-stage high-pressure pump (7), a pipeline between a second-stage security filter (12) and a second-stage high-pressure pump (13) is connected with an outlet of the cleaning pump (21) through the cleaning pipeline, a concentrated water outlet of an ultra-frequency vibration ultra-filtration membrane element (8), a water producing port of the ultra-frequency vibration ultra-filtration membrane element (8), a concentrated water outlet of an ultra-frequency vibration reverse osmosis membrane element (14), a water producing port of the ultra-frequency vibration reverse osmosis membrane element (14) is connected onto the chemical cleaning box (20) through the cleaning pipeline, and a one-way valve is installed on the cleaning pipeline connected with an outlet of the.
3. The ultrafiltrating reverse osmosis system of claim 1, wherein: the ultra-frequency vibration ultrafiltration membrane element (8) is composed of a frame, a vibration exciter and an ultrafiltration membrane casing, wherein the frame is movably connected with a vibration plate, the vibration exciter and the ultrafiltration membrane casing are fixed on the vibration plate, an ultrafiltration membrane is installed in the ultrafiltration membrane casing, and a concentrated water inlet, a concentrated water outlet and a water producing port are formed in the ultrafiltration membrane casing.
4. The ultrafiltrating reverse osmosis system of claim 1, wherein: the ultra-frequency vibration reverse osmosis membrane element (14) is composed of a machine frame, a vibration exciter and a reverse osmosis membrane casing, wherein the machine frame is movably connected with a vibration plate, the vibration exciter and the reverse osmosis membrane casing are fixed on the vibration plate, a reverse osmosis membrane is installed in the reverse osmosis membrane casing, and a concentrated water inlet, a concentrated water outlet and a water producing port are formed in the reverse osmosis membrane casing.
5. The ultrafiltrating reverse osmosis system of claim 1, wherein: ball valves are installed on all pipelines of the processing system.
6. The ultrafiltrating reverse osmosis system of claim 1, wherein: install the electromagnetic flow meter on the pipeline between one-level booster pump (5) and one-level security filter (6), install low pressure switch on the pipeline between one-level security filter (6) and first-level high-pressure pump (7), install high pressure switch and pressure transmitter on the pipeline between first-level high-pressure pump (7) and super frequency vibration nanofiltration membrane element (8).
7. The ultrafiltrating reverse osmosis system of claim 1, wherein: an electromagnetic flow meter is arranged on a pipeline between the secondary booster pump (11) and the secondary security filter (12), a low-pressure switch is arranged on a pipeline between the secondary security filter (12) and the secondary high-pressure pump (13), and a high-pressure switch and a pressure transmitter are arranged on a pipeline between the secondary high-pressure pump (13) and the ultra-frequency vibration reverse osmosis membrane element (14).
8. The ultrafiltrating reverse osmosis system of claim 1, wherein: the sludge reactor (17) consists of a cylinder, a motor and blades, wherein the motor is fixed on the cylinder, an output shaft of the motor is fixed on a rotating rod, the blades are fixed on the rotating rod, and the blades are arranged in the cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922345500.XU CN211570338U (en) | 2019-12-24 | 2019-12-24 | Super-frequency vibration ultrafiltration reverse osmosis system |
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| CN201922345500.XU CN211570338U (en) | 2019-12-24 | 2019-12-24 | Super-frequency vibration ultrafiltration reverse osmosis system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114480064A (en) * | 2022-01-24 | 2022-05-13 | 四川绵竹剑南春酒厂有限公司 | Wine membrane filtration quality improving process |
| CN114570206A (en) * | 2022-03-14 | 2022-06-03 | 四川绵竹剑南春酒厂有限公司 | Over-frequency vibration nanofiltration system |
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2019
- 2019-12-24 CN CN201922345500.XU patent/CN211570338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114480064A (en) * | 2022-01-24 | 2022-05-13 | 四川绵竹剑南春酒厂有限公司 | Wine membrane filtration quality improving process |
| CN114570206A (en) * | 2022-03-14 | 2022-06-03 | 四川绵竹剑南春酒厂有限公司 | Over-frequency vibration nanofiltration system |
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Effective date of registration: 20221208 Granted publication date: 20200925 |