CN213950682U - Drinking water ultrafiltration system without adding medicine and unpowered backwashing - Google Patents
Drinking water ultrafiltration system without adding medicine and unpowered backwashing Download PDFInfo
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- CN213950682U CN213950682U CN202022839534.7U CN202022839534U CN213950682U CN 213950682 U CN213950682 U CN 213950682U CN 202022839534 U CN202022839534 U CN 202022839534U CN 213950682 U CN213950682 U CN 213950682U
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Abstract
The utility model provides a drinking water ultrafiltration system without adding medicine and power backwashing, in the drinking water ultrafiltration system, the delivery port of the ultrafiltration water inlet tank is connected to the water inlet of an ultrafiltration water supply pump through an output pipeline, the ozone generating device is connected to the output pipeline through a pipeline, the delivery port of the ultrafiltration water supply pump is connected with a water supply pipeline, the water supply pipeline is communicated with the water inlet port of a first ultrafiltration membrane unit through a first branch, the water supply pipeline is communicated with the water inlet port of a second ultrafiltration membrane unit through a second branch, the water outlet port of each ultrafiltration membrane unit is connected to a water outlet pipeline through a water outlet branch, the water outlet pipeline is connected to an ultrafiltration water production tank, the air compressor is connected to the water inlet side of each ultrafiltration membrane unit through an air pipeline, the water outlet branches of the two ultrafiltration membrane units are connected to form a backwashing pipeline, and the concentrated water side and the. The utility model discloses an ultrafiltration system energy consumption is low, the cleanliness factor is high.
Description
Technical Field
The utility model relates to an ultrafiltration system drinking water technical field especially relates to a drinking water ultrafiltration system of medicine, unpowered backwash does not have.
Background
When groundwater is used as a source of water supply, the main indicators of membrane fouling are suspended solids, colloids, bacteria and microorganisms. The existing conventional ultrafiltration operation process method needs to be equipped with a backwashing pump, an air compressor and the like to eliminate suspended matters and colloid by physical methods such as air washing, water backwashing and the like. Aiming at the pollution of bacteria and microorganisms to the ultrafiltration membrane, the chemical adding device is mainly arranged to add sodium hypochlorite with certain concentration for removing through backwashing, so that the purpose of recovering the membrane flux is achieved.
During ultrafiltration system water among the prior art, the raw water gets into the membrane module under the pressure drive of water supply pump and filters system water, and system water operation washs after a period of time, and the cleaning process roughly divide into following step: (1) washing with gas and water: and introducing a small amount of backwash water and 1-2bar of compressed air to carry out gas-water washing on the ultrafiltration membrane. The contaminants on the surface of the membrane filaments are loosened by air scrubbing. (2) Water backwashing: and starting a backwashing pump, and introducing backwashing water with the water yield of 1.5 times to perform backwashing on the ultrafiltration membrane so as to flush away pollutants on the surface of the membrane. (3) Discharging: the contaminants of the membrane module are discharged under the action of gravity. (4) After running for several periods, the sodium hypochlorite with certain concentration is added in the water backwashing to eliminate the bacterial and microbial pollution of the membrane component.
The above process has many disadvantages: firstly, the washing step is loaded down with trivial details complicacy, needs gas washing, water backwash, discharges and sodium hypochlorite disappears and washes, has restricted system water efficiency to a certain extent, and secondly, there is the potential safety hazard in the introduction of sodium hypochlorite, and moreover, this processing method need be equipped with the backwash pump and carry out the backwash, need be equipped with medicine system to drop into sodium hypochlorite, so improved system equipment cost, improved the operation energy consumption, still need regularly supply the medicament simultaneously, it is higher to the transportation requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drinking water ultrafiltration system without adding medicine and unpowered backwashing, aiming at the technical defect of ultrafiltration water preparation in the prior art.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides a no medicine, drinking water ultrafiltration system of unpowered backwash, includes that the ultrafiltration is intake case, ozone generating device, ultrafiltration working shaft, first milipore filter unit, second milipore filter unit, ultrafiltration product water tank and air compressor machine, wherein:
the water outlet of the ultrafiltration water inlet tank is connected to the water inlet of the ultrafiltration water supply pump through an output pipeline, the ozone generating device is connected to the output pipeline through a pipeline, the water outlet of the ultrafiltration water supply pump is connected with a water supply pipeline, the water supply pipeline is communicated with the water inlet port of the first ultrafiltration membrane unit through a first branch, the water supply pipeline is communicated with the water inlet port of the second ultrafiltration membrane unit through a second branch, the water outlet port of each ultrafiltration membrane unit is connected to a water outlet pipeline through a water outlet branch, the water outlet pipeline is connected to the ultrafiltration water production tank, the air compressor is connected to the water inlet side of each ultrafiltration membrane unit through an air pipeline, the water outlet branches of the two ultrafiltration membrane units are connected to form a backwashing pipeline, and the concentrated water side and the water inlet side of each ultrafiltration membrane unit are provided with sewage discharge ports.
In the technical scheme, the concentrated water side of each ultrafiltration membrane unit is connected to the ultrafiltration water inlet tank through a concentrated water pipeline.
In the above technical scheme, a control valve is arranged on a pipeline between the ozone generating device and the output pipeline, and a pipeline mixer is arranged on a pipeline between the ozone generating device and the output pipeline.
In the technical scheme, the device further comprises a water inlet and outlet pipeline of the cartridge filter and the cartridge filter arranged on the water inlet and outlet pipeline of the cartridge filter, the water inlet and outlet pipeline of the cartridge filter is connected in parallel with a part of the water supply pipeline to form parallel pipelines, the bottom of the cartridge filter is provided with a drainage pipeline, and the drainage pipeline is provided with a discharge valve.
In the technical scheme, a water supply pipeline connected with the water inlet and outlet pipeline of the security filter in parallel is provided with a first manual valve, and the water inlet and outlet pipeline of the security filter is provided with a second manual valve.
In the above technical scheme, a third manual valve and a fourth manual valve are arranged on an output pipeline between the water outlet of the ultrafiltration water inlet tank and the water inlet of the ultrafiltration water supply pump, and the third manual valve and the fourth manual valve are respectively arranged on two sides of a pipeline for connecting the ozone generating device.
In the technical scheme, a check valve and a fifth manual valve are arranged on a water supply pipeline between the ultrafiltration water supply pump and the parallel pipelines.
In the above technical solution, the air compressor is connected to the water inlet side of the first ultrafiltration membrane unit through a first air pipeline, the air compressor is connected to the water inlet side of the second ultrafiltration membrane unit through a second air pipeline, an ultrafiltration UF01 air inlet valve is arranged on the first air pipeline, and an ultrafiltration UF02 air inlet valve is arranged on the second air pipeline;
the first ultrafiltration membrane unit consists of two ultrafiltration membrane filtering devices connected in parallel, an ultrafiltration UF01 membrane water inlet valve is arranged on the first branch, the first ultrafiltration membrane unit is connected to a water production pipeline through a first water production branch, an ultrafiltration UF01 water production valve is arranged on the first water production branch, an ultrafiltration total water production valve is arranged on the water production pipeline, and the water production pipeline is connected to an ultrafiltration water production tank;
the second ultrafiltration membrane unit consists of two ultrafiltration membrane filtering devices connected in parallel, an ultrafiltration UF02 water inlet valve is arranged on the second branch, the second ultrafiltration membrane unit is connected to a water production pipeline through a second water production branch, and an ultrafiltration UF02 water production valve is arranged on the second water production branch;
the first water production branch and the second water production branch form a backwashing pipeline for backwashing the first ultrafiltration membrane unit or the second ultrafiltration membrane unit;
the water inlet side of the first ultrafiltration membrane unit is connected with a first lower discharge pipeline, the first lower discharge pipeline is provided with an ultrafiltration UF01 lower discharge valve EV05, the concentrated water side of the first ultrafiltration membrane unit is connected with a first upper discharge pipeline, the first upper discharge pipeline is provided with an ultrafiltration UF01 upper discharge valve, the water inlet side of the second ultrafiltration membrane unit is connected with a second lower discharge pipeline, the second lower discharge pipeline is provided with an ultrafiltration UF02 lower discharge valve, the concentrated water side of the second ultrafiltration membrane unit is connected with a second upper discharge pipeline, and the second upper discharge pipeline is provided with an ultrafiltration UF02 upper discharge valve;
the concentrated water side of the first ultrafiltration membrane unit is further connected to the ultrafiltration water inlet tank through a first concentrated water pipeline, an ultrafiltration UF01 concentrated water valve is arranged on the first concentrated water pipeline, the concentrated water side of the second ultrafiltration membrane unit is further connected to the ultrafiltration water inlet tank through a second concentrated water pipeline, and an ultrafiltration UF02 concentrated water valve is arranged on the second concentrated water pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses cancelled the backwash pump, set up two changeable milipore filter units, each other is the backwash in order to get rid of the pollution of suspended solid, colloid to the membrane through two milipore filter units, realizes the recovery of membrane flux. The two switchable ultrafiltration membrane units run simultaneously or one ultrafiltration membrane unit is used for standby, so that the water production efficiency of the system is improved, and in addition, backwashing equipment is omitted, so that the system cost is reduced.
2. The utility model discloses in fill into ozone control bacterium and microorganism to the pollution on membrane surface through intaking, cancel the medicine equipment, avoided the introduction of sodium hypochlorite, realized that the simplification of ultrafiltration water supply operation is stable and water supply does not have the druggization, guaranteed the safety of drinking water.
3. Ozone is continuously introduced in the water making process, so that bacteria and microorganisms are prevented from being bred on the ultrafiltration membrane unit, and the cleanliness of water making is improved.
Drawings
Fig. 1 is a schematic structural diagram of the drinking water ultrafiltration system of the present invention.
In the figure:
1-an ultrafiltration water inlet tank, 2-an ozone generating device, 3-an ultrafiltration water supply pump, 4-a first ultrafiltration membrane unit, 5-a second ultrafiltration membrane unit, 6-an ultrafiltration water production tank, 7-an air compressor, 8-an output pipeline, 9-a water supply pipeline, 10-a first branch, 11-a second branch, 12-a security filter water inlet and outlet pipeline, 13-a first air pipeline, 14-a second air pipeline, 15-a first water production branch, 16-a water production pipeline, 17-a second water production branch, 18-a first lower discharge pipeline, 19-a first upper discharge pipeline, 20-a second lower discharge pipeline, 21-a second upper discharge pipeline, 22-a first concentrated water pipeline and 23-a second concentrated water pipeline.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The utility model provides a no medicine, drinking water ultrafiltration system of unpowered backwash, includes that the ultrafiltration is intake case 1, ozone generating device 2, ultrafiltration working shaft 3, first milipore filter unit 4, second milipore filter unit 5, the ultrafiltration product water tank 6 and air compressor machine 7, wherein:
the water outlet of the ultrafiltration water inlet tank 1 is connected to the water inlet of the ultrafiltration water supply pump 3 through an output pipeline 8, the ozone generating device 2 is connected to the output pipeline 8 through a pipeline, the water outlet of the ultrafiltration water supply pump 3 is connected with a water supply pipeline 9, the water supply pipeline 9 is communicated with the water inlet port of the first ultrafiltration membrane unit 4 through a first branch 10, the water supply pipeline 9 is communicated with the water inlet port of the second ultrafiltration membrane unit 5 through a second branch 11, the water outlet port of each ultrafiltration membrane unit is connected to a water outlet pipeline through a water outlet branch, the water outlet pipeline is connected to the ultrafiltration water production tank 6, the air compressor 7 is connected to the water inlet side of each ultrafiltration membrane unit through an air pipeline, the water outlet branches of the two ultrafiltration membrane units are connected to form a backwashing pipeline, and the concentrated water side and the water inlet side of each ultrafiltration membrane unit are both provided with sewage discharge ports, the concentrated water side of each ultrafiltration membrane unit is connected to the ultrafiltration water inlet tank 1 through a concentrated water pipeline.
The operation method of the drinking water ultrafiltration system comprises the following steps:
water preparation: the underground water enters the ultrafiltration water inlet tank 1, under the action of the ultrafiltration water supply pump 3, the water in the ultrafiltration water inlet tank 1 enters the first ultrafiltration membrane unit 4 and/or the second ultrafiltration membrane unit 5 for ultrafiltration, and enters the ultrafiltration water production tank 6 through the water outlet port of the ultrafiltration membrane unit; meanwhile, starting the ozone generating device 2, and enabling the ozone and water to enter an ultrafiltration membrane unit for killing and killing to control bacteria and microorganisms on the membrane surface; in the process of making water, ozone generating device simultaneous operation, ozone stops letting in when making water stops, so disappears at any time and kills, washs for traditional sodium hypochlorite, and the cleanliness factor has further promotion, has avoided breeding of bacterium and microorganism, has also avoided the medicine to remain simultaneously.
And (3) cleaning the first ultrafiltration membrane unit 4:
step 1, air washing step: starting an air compressor 7, enabling air to enter the first ultrafiltration membrane unit 4 through an air pipeline and a water inlet side, and opening a drain outlet on a concentrated water side to drain;
and 3, stopping the machine for soaking, continuing water backwashing and pollution discharge in the step 2 after pollutants are accumulated on the surface of the soft membrane, and then recovering the membrane flux.
When the sewage discharged by gravity cannot be completely discharged, the water inlet valve of the ultrafiltration UF01 and the concentrated water valve of the ultrafiltration UF01 are opened, and water is flushed into the ultrafiltration water inlet tank to slow down membrane pollution.
The cleaning step of the second ultrafiltration membrane unit 5 is the same as that of the first ultrafiltration membrane unit 4.
Preferably, a pipeline mixer is arranged on a pipeline between the ozone generating device 2 and the output pipeline 8, so that the mixing uniformity of ozone and water is further improved, and the killing effect is optimized. In order to prolong the service life of the first ultrafiltration membrane unit 4 and the second ultrafiltration membrane unit 5, the ultrafiltration membranes of the first ultrafiltration membrane unit 4 and the second ultrafiltration membrane unit 5 are ozone-resistant membranes. The oxygen production amount of the ozone generating device 2 is matched with the water production amount to control, when the water production amount is large, the oxygen production amount of the ozone generating device 2 is improved, and when the water production amount is small, the oxygen production amount of the ozone generating device 2 is reduced.
Example 2
The drinking water ultrafiltration system without dosing and unpowered backwashing also comprises a cartridge filter water inlet and outlet pipeline and a cartridge filter arranged on the cartridge filter water inlet and outlet pipeline, wherein the cartridge filter water inlet and outlet pipeline 12 is connected in parallel on part of the water supply pipeline 9 to form parallel pipelines, the bottom of the cartridge filter is provided with a drainage pipeline, and the drainage pipeline is provided with a DN50 discharge valve. The cartridge filter is used for preventing the membrane wires from being damaged by large-particle impurities.
Preferably, a first manual valve V07 is disposed on the water supply pipeline 9 connected in parallel with the cartridge filter water inlet and outlet pipeline 12, a second manual valve V08 is disposed on the cartridge filter water inlet and outlet pipeline 12, when the first manual valve V07 is opened and the second manual valve V08 is closed, the water pumped by the ultrafiltration water supply pump 3 directly enters the first ultrafiltration membrane unit 4 and/or the second ultrafiltration membrane unit 5, and when the second manual valve V08 is opened and the first manual valve V07 is closed, the water pumped by the ultrafiltration water supply pump 3 is filtered by the cartridge filter and then enters the first ultrafiltration membrane unit 4 and/or the second ultrafiltration membrane unit 5.
And a third manual valve V01 and a fourth manual valve V04 are arranged on an output pipeline 8 between the water outlet of the ultrafiltration water inlet tank 1 and the water inlet of the ultrafiltration water supply pump 3. The maintenance of the ultrafiltration water inlet tank 1 rear equipment and the maintenance of the ultrafiltration water supply pump 3 are facilitated.
A check valve CV02 and a fifth manual valve V06 are arranged on a water supply pipeline 9 between the ultrafiltration water supply pump 3 and the parallel pipelines. Check valve CV02 is used for preventing the water refluence, and the setting of fifth manual valve V06 is easy to overhaul.
A control valve is arranged on a pipeline between the ozone generating device 2 and the output pipeline 8 to control the ozone to enter the ultrafiltration system.
Preferably, the air compressor 7 is connected to the water inlet side of the first ultrafiltration membrane unit 4 through a first air pipeline 13, and is connected to the water inlet side of the second ultrafiltration membrane unit 5 through a second air pipeline 14, an ultrafiltration UF01 air inlet valve EV06 is arranged on the first air pipeline 13, and an ultrafiltration UF02 air inlet valve EV12 is arranged on the second air pipeline 14.
The first ultrafiltration membrane unit 4 consists of two ultrafiltration membrane filtering devices connected in parallel, an ultrafiltration UF01 membrane water inlet valve EV01 is arranged on the first branch 10, the first ultrafiltration membrane unit 4 is connected to a water production pipeline 16 through a first water production branch 15, an ultrafiltration UF01 water production valve EV03 is arranged on the first water production branch 15, an ultrafiltration total water production valve EV13 is arranged on the water production pipeline 16, and the water production pipeline 16 is connected to the ultrafiltration water production tank 6;
the second ultrafiltration membrane unit 5 is composed of two ultrafiltration membrane filtering devices connected in parallel, an ultrafiltration UF02 water inlet valve EV07 is arranged on the second branch 11, the second ultrafiltration membrane unit 5 is connected to a water production pipeline 16 through a second water production branch 17, and an ultrafiltration UF02 water production valve EV09 is arranged on the second water production branch 17.
The first water production branch 15 and the second water production branch 17 form a backwashing pipeline for backwashing the first ultrafiltration membrane unit 4 or the second ultrafiltration membrane unit 5.
A first lower discharge pipeline 18 is connected to the water inlet side of the first ultrafiltration membrane unit 4, a lower ultrafiltration UF01 discharge valve EV05 is arranged on the first lower discharge pipeline 18, a first upper discharge pipeline 19 is connected to the concentrated water side of the first ultrafiltration membrane unit 4, an upper ultrafiltration UF01 discharge valve EV04 is arranged on the first upper discharge pipeline 19, a second lower discharge pipeline 20 is connected to the water inlet side of the second ultrafiltration membrane unit 5, a lower ultrafiltration UF02 discharge valve EV11 is arranged on the second lower discharge pipeline 20, a second upper discharge pipeline 21 is connected to the concentrated water side of the second ultrafiltration membrane unit 5, and an upper ultrafiltration UF02 discharge valve EV10 is arranged on the second upper discharge pipeline 21;
the concentrated water side of the first ultrafiltration membrane unit 4 is also connected to the ultrafiltration water inlet tank 1 through a first concentrated water pipeline 22, an ultrafiltration UF01 concentrated water valve EV02 is arranged on the first concentrated water pipeline 22, the concentrated water side of the second ultrafiltration membrane unit 5 is also connected to the ultrafiltration water inlet tank 1 through a second concentrated water pipeline 23, and an ultrafiltration UF02 concentrated water valve EV08 is arranged on the second concentrated water pipeline 23;
example 3
The operation method of the drinking water ultrafiltration system in example 2:
when the first ultrafiltration membrane unit 4 produces water: opening an ultrafiltration UF01 membrane water inlet valve EV01, an ultrafiltration UF01 water production valve EV03 and an ultrafiltration total water production valve EV13, starting an ozone generating device 2 and starting an ultrafiltration water supply pump 3. The raw water mixed with ozone enters the first ultrafiltration membrane unit 4 under the pressure drive of the ultrafiltration water supply pump 3 to start water production, when the quality of the raw water is poor, an ultrafiltration UF01 concentrated water valve EV02 can be opened simultaneously, part of water enters the first ultrafiltration membrane unit 4 to be filtered, and part of water returns to the ultrafiltration water inlet tank 1 to form cross flow to slow down membrane pollution.
When the first ultrafiltration membrane unit 4 is cleaned, gas washing, water backwashing and soaking are sequentially carried out:
during air washing, the air compressor 7 is started, the upper exhaust valve EV04 of the ultrafiltration UF01 and the air inlet valve EV06 of the ultrafiltration UF01 are opened, and air washing is carried out.
During water backwashing, an ultrafiltration UF02 water inlet valve EV07, an ultrafiltration UF02 water production valve EV09, an ultrafiltration UF01 water production valve EV03 and an ultrafiltration UF01 upper discharge valve EV04 are opened, an ultrafiltration UF01 lower discharge valve EV05 is opened, the first ultrafiltration membrane unit 4 is subjected to reverse washing through high-yield water of the second ultrafiltration membrane unit 5, membrane surface pollutants of the first ultrafiltration membrane unit 4 are washed away, the pollutants pass through an ultrafiltration UF01 upper discharge valve EV04 and an ultrafiltration UF01 lower discharge valve EV05, and sewage is discharged through gravity.
When the sewage discharged by gravity cannot be discharged completely, an ultrafiltration UF01 water inlet valve EV01 and an ultrafiltration UF01 concentrated water valve EV02 are opened, and water is flushed into an ultrafiltration water inlet tank to slow down membrane pollution.
Soaking: when the first ultrafiltration membrane unit 4 finishes the physical backwashing process, the machine is stopped for soaking, pollutants are accumulated on the surface of the soft membrane, then the water backwashing and the gravity pollution discharge are carried out, and the membrane flux is recovered to start water production.
When the second ultrafiltration membrane unit 5 produces water: opening an ultrafiltration UF02 water inlet valve EV07, an ultrafiltration UF02 water production valve EV09 and an ultrafiltration total water production valve EV13, starting an ozone generating device 2 and starting an ultrafiltration water supply pump 3. The raw water mixed with ozone enters the second ultrafiltration membrane unit 5 under the pressure drive of the ultrafiltration water supply pump 3 to start water production. When the quality of raw water is poor, an ultrafiltration UF02 concentrated water valve EV08 can be opened at the same time, part of water enters a second ultrafiltration membrane unit 5 for filtration, and part of water returns to the ultrafiltration water inlet tank 1 to form cross flow to slow down membrane pollution.
And when the second ultrafiltration membrane unit 5 is cleaned, gas washing, water backwashing and soaking are sequentially carried out:
during water gas washing, the air compressor 7 is started, and the upper exhaust valve EV10 and the ultrafiltration UF02 air inlet valve EV12 of the ultrafiltration UF02 are opened.
During water backwashing, an ultrafiltration UF01 membrane water inlet valve EV01, an ultrafiltration UF01 water outlet valve EV03, an ultrafiltration UF02 water outlet valve EV09 and an ultrafiltration UF02 upper discharge valve EV10 are opened, an ultrafiltration UF02 lower discharge valve EV11 is opened, the second ultrafiltration membrane unit 5 is back-washed through high-yield water of the first ultrafiltration membrane unit 4, membrane surface pollutants of the second ultrafiltration membrane unit 5 are washed away, the pollutants pass through an ultrafiltration UF02 upper discharge valve EV10 and an ultrafiltration UF02 lower discharge valve EV11, and sewage is discharged through gravity.
When the sewage discharged by gravity cannot be discharged completely, an ultrafiltration UF02 water inlet valve EV07 and an ultrafiltration UF02 concentrated water valve EV08 are opened, and water is flushed into an ultrafiltration water inlet tank to slow down membrane pollution.
When the second ultrafiltration membrane unit 5 finishes the physical backwashing process during soaking, the machine is stopped for soaking, so that pollutants are accumulated on the surface of the soft membrane, and water backwashing and gravity pollution discharge are carried out to recover the membrane flux.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a do not have medicine, drinking water ultrafiltration system of unpowered backwash which characterized in that, including the ultrafiltration intake box, ozone generating device, ultrafiltration working shaft, first milipore filter unit, second milipore filter unit, ultrafiltration product water tank and air compressor machine, wherein:
the water outlet of the ultrafiltration water inlet tank is connected to the water inlet of the ultrafiltration water supply pump through an output pipeline, the ozone generating device is connected to the output pipeline through a pipeline, the water outlet of the ultrafiltration water supply pump is connected with a water supply pipeline, the water supply pipeline is communicated with the water inlet port of the first ultrafiltration membrane unit through a first branch, the water supply pipeline is communicated with the water inlet port of the second ultrafiltration membrane unit through a second branch, the water outlet port of each ultrafiltration membrane unit is connected to a water outlet pipeline through a water outlet branch, the water outlet pipeline is connected to the ultrafiltration water production tank, the air compressor is connected to the water inlet side of each ultrafiltration membrane unit through an air pipeline, the water outlet branches of the two ultrafiltration membrane units are connected to form a backwashing pipeline, and the concentrated water side and the water inlet side of each ultrafiltration membrane unit are provided with sewage discharge ports.
2. The drugless, unpowered backwash potable water ultrafiltration system of claim 1, wherein the concentrate side of each ultrafiltration membrane unit is connected to the ultrafiltration inlet tank by a concentrate line.
3. The drugless, unpowered backwash drinking water ultrafiltration system of claim 1 wherein a control valve is provided on the line between the ozone generating device and the output line.
4. The drugless, unpowered backwash drinking water ultrafiltration system of claim 1 wherein a line mixer is provided on the line between the ozone generating device and the outlet line.
5. The drinking water ultrafiltration system with no chemical and no power backwash as claimed in claim 1, further comprising a cartridge filter inlet and outlet pipeline and a cartridge filter arranged on the cartridge filter inlet and outlet pipeline, wherein the cartridge filter inlet and outlet pipeline is connected in parallel with part of the water supply pipeline to form parallel pipelines, a drain pipeline is arranged at the bottom of the cartridge filter, and a drain valve is arranged on the drain pipeline.
6. The potable water ultrafiltration system with no dosing and no power backwash as claimed in claim 5, wherein a water supply pipeline connected in parallel with the water inlet and outlet pipeline of the cartridge filter is provided with a first manual valve, and the water inlet and outlet pipeline of the cartridge filter is provided with a second manual valve.
7. The drugless, unpowered backwash drinking water ultrafiltration system as recited in claim 1, wherein a third manual valve and a fourth manual valve are provided on an output pipe between a water outlet of the ultrafiltration water inlet tank and a water inlet of the ultrafiltration water supply pump, and the third manual valve and the fourth manual valve are respectively provided on both sides of a pipe for connecting the ozone generating device.
8. The drugless, unpowered backwash drinking water ultrafiltration system as recited in claim 5 wherein a check valve and a fifth manual valve are provided on a water supply line between the ultrafiltration water supply pump and the parallel line.
9. The drugless, unpowered backwash potable water ultrafiltration system of claim 1, wherein the first ultrafiltration membrane unit consists of two ultrafiltration membrane filtration devices in parallel.
10. The drugless, unpowered backwashing drinking water ultrafiltration system of claim 1, wherein the air compressor is connected to a water inlet side of the first ultrafiltration membrane unit through a first air line, the air compressor is connected to a water inlet side of the second ultrafiltration membrane unit through a second air line, an ultrafiltration UF01 air inlet valve is arranged on the first air line, and an ultrafiltration UF02 air inlet valve is arranged on the second air line;
an ultrafiltration UF01 membrane water inlet valve is arranged on the first branch, the first ultrafiltration membrane unit is connected to a water production pipeline through a first water production branch, an ultrafiltration UF01 water production valve is arranged on the first water production branch, an ultrafiltration total water production valve is arranged on the water production pipeline, and the water production pipeline is connected to the ultrafiltration water production tank;
the second ultrafiltration membrane unit consists of two ultrafiltration membrane filtering devices connected in parallel, an ultrafiltration UF02 water inlet valve is arranged on the second branch, the second ultrafiltration membrane unit is connected to a water production pipeline through a second water production branch, and an ultrafiltration UF02 water production valve is arranged on the second water production branch;
the first water production branch and the second water production branch form a backwashing pipeline for backwashing the first ultrafiltration membrane unit or the second ultrafiltration membrane unit;
the water inlet side of the first ultrafiltration membrane unit is connected with a first lower discharge pipeline, the first lower discharge pipeline is provided with an ultrafiltration UF01 lower discharge valve EV05, the concentrated water side of the first ultrafiltration membrane unit is connected with a first upper discharge pipeline, the first upper discharge pipeline is provided with an ultrafiltration UF01 upper discharge valve, the water inlet side of the second ultrafiltration membrane unit is connected with a second lower discharge pipeline, the second lower discharge pipeline is provided with an ultrafiltration UF02 lower discharge valve, the concentrated water side of the second ultrafiltration membrane unit is connected with a second upper discharge pipeline, and the second upper discharge pipeline is provided with an ultrafiltration UF02 upper discharge valve;
the concentrated water side of the first ultrafiltration membrane unit is further connected to the ultrafiltration water inlet tank through a first concentrated water pipeline, an ultrafiltration UF01 concentrated water valve is arranged on the first concentrated water pipeline, the concentrated water side of the second ultrafiltration membrane unit is further connected to the ultrafiltration water inlet tank through a second concentrated water pipeline, and an ultrafiltration UF02 concentrated water valve is arranged on the second concentrated water pipeline.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113694795A (en) * | 2021-09-27 | 2021-11-26 | 成都倍特药业股份有限公司 | Liquid preparation system and preparation method |
| CN114573076A (en) * | 2020-11-30 | 2022-06-03 | 天津大学 | Drinking water ultrafiltration system without chemical adding and unpowered backwashing and operation method |
| CN114804298A (en) * | 2022-04-07 | 2022-07-29 | 天津美天水环境科技有限公司 | Membrane-process tap water plant production wastewater treatment system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573076A (en) * | 2020-11-30 | 2022-06-03 | 天津大学 | Drinking water ultrafiltration system without chemical adding and unpowered backwashing and operation method |
| CN113694795A (en) * | 2021-09-27 | 2021-11-26 | 成都倍特药业股份有限公司 | Liquid preparation system and preparation method |
| CN114804298A (en) * | 2022-04-07 | 2022-07-29 | 天津美天水环境科技有限公司 | Membrane-process tap water plant production wastewater treatment system and method |
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Inventor after: Cai Cheng Inventor after: Wu Xiuli Inventor after: Tian Yimei Inventor after: Offer Inventor after: Jia Shichao Inventor after: Gao Min Inventor after: Ge Cheng Inventor after: Liu Hailong Inventor after: Yu Hao Inventor before: Cai Cheng Inventor before: Wu Xiuli Inventor before: Tian Yimei Inventor before: Offer Inventor before: Jia Shichao Inventor before: Gao Min Inventor before: Ge Cheng Inventor before: Liu Hailong Inventor before: Yu Haoming |