CN212334821U - Internal pressure type ultrafiltration water purification equipment - Google Patents
Internal pressure type ultrafiltration water purification equipment Download PDFInfo
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- CN212334821U CN212334821U CN201921141954.9U CN201921141954U CN212334821U CN 212334821 U CN212334821 U CN 212334821U CN 201921141954 U CN201921141954 U CN 201921141954U CN 212334821 U CN212334821 U CN 212334821U
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Abstract
An internal pressure ultrafiltration water purification device comprises a water source with a raw water pump, a multi-media filter, an activated carbon filter, a precision filter and an internal pressure ultrafiltration filtration system, wherein the water source flows into the multi-media filter through an automatic multi-way valve of the multi-media filter through the raw water pump and flows to the activated carbon filter through a pipeline, the activated carbon filter is connected with the precision filter, one end of the precision filter is connected with a dosing pump, and the other end of the precision filter is connected with a water inlet at the lower end of an ultrafiltration main body device; comparing in many aspects, determining to select the internal pressure ultrafiltration membrane made of polysulfone material with excellent performance and economic cost; the polysulfone internal pressure membrane ultrafiltration water purification device can realize unattended and remote monitoring functions, reduce the use of manpower and reduce the cost.
Description
Technical Field
The invention relates to an internal pressure type ultrafiltration water purification device, which mainly relates to the field of water treatment.
Background
Because of wide regions in China, the water resource distribution is characterized by more south, more north and less east, and less docetaxel, and the region with the most serious water shortage is still a rural area in the middle and western region. Rural drinking water treatment facilities are generally simple and crude, some water source places are close to farmlands, pesticides and fertilizers influence water quality, water sources directly enter a water supply network to farmers, and water quality is difficult to guarantee. Drinking water in rural areas of China faces several problems:
1. drinking water in rural areas has various water sources, such as spring water, underground water, river water, lake water and the like, has various water qualities, and has various projects for exceeding the standard of water quality detection;
2. the process is laggard, the treatment process adopted by the existing rural drinking water is simpler, and the water quality safety is difficult to guarantee because the treatment process is generally a coagulating sedimentation and dosing device;
3. the microorganisms are serious in standard exceeding, and the microorganisms such as escherichia coli and the like in water are bred and can not meet the requirements of national standards;
to the above problems, the commonly used water purifying equipment is the ultrafiltration water purifying equipment, but the existing ultrafiltration water purifying equipment has the defects and shortcomings:
1. the existing ultrafiltration water purification equipment with PVDF membrane material needs air washing, which results in that the equipment needs to be equipped with parts such as an air compressor, a cold dryer, a gas storage tank, valve pipe fittings and the like, and has high equipment cost and large occupied area;
2. the existing ultrafiltration water purification equipment needs to be provided with a pretreatment device to protect an ultrafiltration membrane from being blocked by dirt, so that the ultrafiltration equipment needs to be provided with the pretreatment device, the equipment cost is high, and the occupied area is large;
3. the existing ultrafiltration water purification equipment needs gas washing, backwashing and chemical cleaning, is complex in process, and needs to be provided with corresponding pipelines and valves, so that the cost is high;
4. the existing ultrafiltration water purification equipment cannot be completely unattended, so that people are required to patrol and maintain, and the labor cost is increased;
disclosure of Invention
The invention aims to solve the technical problems that the treatment process of drinking water in rural areas falls behind and the water quality does not reach the standard, and simultaneously solves the problems that external pressure ultrafiltration water purification equipment needs air washing, the process is complex, the cost is high, the energy consumption is large, the occupied area is large, and the invention provides the ultrafiltration water purification equipment which is water-saving, energy-saving, low in cost, simple in process, unattended and automatically operated. The invention adopts an internal pressure type ultrafiltration water purification device, which comprises a raw water pump with a water source, a multi-medium filter, an activated carbon filter, a precision filter and an internal pressure ultrafiltration filtration system, the water with the water source flows into the multi-media filter through an automatic multi-way valve of the multi-media filter by a raw water pump, flowing to an activated carbon filter through a pipeline, wherein the activated carbon filter is connected with a precision filter, one end of the precision filter is connected with a dosing pump, the other end is connected with a water inlet at the lower end of the ultrafiltration main body device, the water outlet end of the ultrafiltration main body equipment is provided with outlets at two ends, one outlet is a clear water port and is directly connected to the clear water tank, the other outlet is a concentrated water port and is connected to a sewer, the rear end of the raw water pump is also provided with a cleaning pump for cleaning the ultrafiltration water purification device, and the cleaning pump is respectively connected with the chemical cleaning box and the ultrafiltration cleaning box.
Preferably, the method comprises the following steps: the ultrafiltration cleaning box is connected with an ultrafiltration backwashing pump, a water inlet pipeline of the ultrafiltration backwashing pump is connected to a clean water tank, and is connected with a precision filter and a dosing pump through a pressure transmitter, and finally, a water production branch pipe of an ultrafiltration membrane in the main ultrafiltration device enters an ultrafiltration membrane element for backwashing, and wastewater flows into a sewer from a concentrated water port to realize backwashing of the main ultrafiltration device.
Preferably, the method comprises the following steps: chemical agents are placed in the chemical cleaning box and connected with a front-end chemical cleaning water inlet pump, the chemical cleaning water inlet pump is connected with a precision filter through a pipeline, finally enters an ultrafiltration membrane element for reverse filtration through an ultrafiltration membrane water production branch pipe in ultrafiltration main body equipment, and wastewater flows into a sewer from a concentrated water port.
Preferably, the method comprises the following steps: the chemical cleaning pump can also be used as a standby pump of a raw water pump
Preferably, the method comprises the following steps: the ultrafiltration main body equipment adopts an internal pressure type ultrafiltration membrane, an ultrafiltration membrane element in the ultrafiltration membrane is detachably arranged, and membrane filaments in the element are made of polysulfone materials.
The invention selects the process of a multi-medium filter, an activated carbon filter, a precision filter, a medicine adding system and a polysulfone internal pressure ultrafiltration membrane system, and multi-stage filtration is carried out to ensure the water quality; comparing in many aspects, determining to select the internal pressure ultrafiltration membrane made of polysulfone material with excellent performance and economic cost; the polysulfone internal pressure membrane ultrafiltration water purification equipment can realize unattended and remote monitoring functions, reduce the use of manpower and reduce the cost; selecting a multi-media filter, an activated carbon filter, a precision filter, medicine adding and a polysulfone internal pressure ultrafiltration membrane system; the equipment adopts a remote monitoring system and an Internet of things system, realizes unattended operation and reduces the operation cost; the internal pressure ultrafiltration membrane made of polysulfone material does not need air washing, thereby reducing the investment cost and the operation cost of equipment.
Drawings
FIG. 1 is a schematic representation of the steps of the present invention.
Detailed Description
The invention will be described in detail below with reference to the following figures: as shown in fig. 1: the invention relates to an internal pressure type ultrafiltration water purification device, which comprises a raw water pump 1 with a water source, a multi-medium filter 2, an activated carbon filter 3, a precision filter 4 and an internal pressure ultrafiltration 5 filtering system, wherein the raw water pump 1 with the water source flows into the multi-medium filter 2 through an automatic multi-way valve of the multi-medium filter 2 and flows to the activated carbon filter 3 through a pipeline, the activated carbon filter 3 is connected with the precision filter 4, one end of the precision filter 4 is connected with a chemical adding pump 10, the other end of the precision filter is connected with a water inlet at the lower end of main ultrafiltration 5 equipment, a water outlet end of the main ultrafiltration 5 equipment is provided with outlets at two ends, an outlet at one end is a clean water port and is directly connected to a clean water tank, an outlet at the other end is a concentrated water port and is connected to a sewer, the rear end of the raw water pump 1 is also provided, this scavenging pump 6 connects chemical washing case 7 and ultrafiltration washing case 8 respectively, ultrafiltration washing case 8 connects the reverse scavenging pump 9 of ultrafiltration, and the inlet channel of this reverse scavenging pump 9 of ultrafiltration is connected to the clear water tank to connect precision filter 4 and dosing pump 10 through pressure transmitter, produce the water branch pipe through the 5 membranes of ultrafiltration in the 5 main part equipment of ultrafiltration and get into 5 membrane elements of ultrafiltration and carry out the back filtration, waste water then realizes the backwash of ultrafiltration main part equipment in following the dense water port inflow sewer.
Chemical agents are placed in the chemical cleaning box 7, the chemical cleaning water inlet pump is connected with the front end chemical cleaning water inlet pump, the chemical cleaning water inlet pump is connected with the precision filter 4 through a pipeline, finally, the chemical cleaning water inlet pump enters the ultrafiltration 5 membrane element through the ultrafiltration 5 membrane water production branch pipe in the main ultrafiltration 5 equipment to perform reverse filtration, wastewater flows into a sewer from a concentrated water port, the chemical cleaning pump can also be used as a standby pump of a raw water pump, the main ultrafiltration equipment adopts an internal pressure type ultrafiltration membrane, the ultrafiltration membrane element in the ultrafiltration membrane is detachably arranged, and membrane wires in the element are made of polysulfone materials.
The working process of the ultrafiltration water purification equipment comprises the following steps:
(1) normal water production working process: a raw water supply pump pumps water from a raw water tank or a raw water pool (the starting and stopping of the raw water pump is in linkage control with the liquid level of the raw water tank or the raw water pool, and the high liquid level can be started); the water flow sequentially passes through a check valve, a pressure transmitter and a pressure gauge, reaches an automatic multi-way valve (a multi-channel valve for changing the flow direction of the water flow is also called an automatic controller and an automatic head) of the multi-media filter, and enters a water inlet of the multi-media filter through the automatic multi-way valve; after being filtered by the multi-media filter, the water flow passes through the automatic multi-way valve of the multi-media filter again and then enters the water inlet of the automatic multi-way valve of the activated carbon filter from the water outlet of the automatic multi-way valve; then the water enters an activated carbon filter, after being filtered by the activated carbon filter, the water flows back to the automatic multi-way valve and enters the precision filter from an outlet of the automatic multi-way valve of the activated carbon filter; on the pipeline entering the precision filter, a pipeline branch is connected with a NaClO dosing pump and is used for dosing in the pipeline, inhibiting the growth of bacteria and playing a role in sterilization; the water flow enters a water inlet at the lower end of ultrafiltration main body equipment from an outlet of the precision filter through a valve and a pipeline, and purified water flows out from two water producing ports on the side surface through the physical filtration effect of an ultrafiltration membrane, and enters a water producing tank through a transparent pipe, a water producing branch pipe, a water producing main pipe, a pressure gauge, a manual butterfly valve, a water producing electric butterfly valve, an electromagnetic flow meter and the like; the concentrated water of the ultrafiltration system is discharged into a sewer through a concentrated water branch pipe and a concentrated water main pipe discharge pipeline, and the concentrated water is discharged into an electric butterfly valve.
(2) The forward washing process comprises the following steps: the flow direction of water flow in the forward washing process is completely consistent with the flow direction of normal water production, only a forward washing discharge valve on a water production pipeline is opened, so that the cleaning liquid is discharged into a sewer, and a water production electric butterfly valve is closed, so that the cleaning liquid cannot enter a water production tank.
(3) And (3) backwashing:
1) the raw water supply pump is stopped;
2) after the backwashing water inlet electric valve and the backwashing discharge electric valve are opened, a backwashing pump is started;
3) the backwashing pump extracts clean water from the water production tank, and water flows through the check valve, the pressure transmitter, the backwashing precision filter, the backwashing dosing pump, the pipeline mixer, the backwashing water inlet electric valve, the main water production pipeline of the ultrafiltration membrane system and the ultrafiltration membrane water production branch pipe to enter the ultrafiltration membrane element;
4) and backwashing water is discharged into a sewer from a backwashing discharge electric valve on the water inlet main pipe and a backwashing discharge electric valve on the concentrated water main pipe respectively, so that backwashing on the ultrafiltration main body equipment is realized.
(4) And (3) chemical cleaning process:
1) chemical cleaning process
a. Preparing a prepared chemical agent in a chemical cleaning water tank;
b. the raw water supply pump and the backwashing pump are in a stop state;
c. manually opening a chemical cleaning water inlet valve of a water inlet bypass of the ultrafiltration main body equipment and chemical cleaning liquid return valves on the water production main pipe and the concentrated water main pipe;
d. then starting a chemical cleaning pump;
e. the chemical cleaning liquid sequentially passes through a chemical cleaning pump, a check valve, a chemical cleaning precision filter, an ultrafiltration system water inlet main pipe and an ultrafiltration membrane element water inlet and enters an ultrafiltration membrane element;
f. soaking and cleaning the ultrafiltration membrane element;
g. the chemical cleaning reflux liquid flows back to the chemical cleaning water tank through chemical cleaning liquid return valves on the water production main pipe and the concentrated water main pipe;
2) chemical cleaning agent stirring
a. Preparing a prepared chemical agent in a chemical cleaning water tank;
b. the raw water supply pump and the backwashing pump are in a stop state;
c. then starting a chemical cleaning pump;
d. the chemical cleaning liquid enters the chemical cleaning water tank through a chemical cleaning pump, a check valve and an ejector in sequence;
e. stirring the medicament;
3) chemical cleaning pump as standby pump of raw water supply pump
a. Under the condition that the raw water supply pump cannot be normally used, the chemical cleaning pump is used as a standby pump;
b. whether the chemical cleaning pump is used or not, the chemical cleaning pump is firstly started to be flushed by clear water, namely, a forward washing process is started and lasts for 10-20 minutes, the chemical agent content is sampled and detected to be within a standard range, and then water can be produced, otherwise, the chemical cleaning pump is flushed all the time;
c. opening a manual valve connected with the original water tank in front of the chemical cleaning pump, opening hands on a branch in front of the automatic multi-way valve of the multi-media filter, closing the manual valve connected with the chemical cleaning water tank by the chemical cleaning pump, and closing a chemical cleaning water inlet manual valve of a bypass of a water inlet pipeline of the ultrafiltration main body equipment;
d. and starting a chemical cleaning water pump, enabling water flow to sequentially pass through the chemical cleaning pump, the check valve and the precision filter and enter the multi-media filter, starting flushing, and starting water preparation after the detection is qualified.
Claims (5)
1. An internal pressure type ultrafiltration water purification device comprises a raw water pump with a water source, a multi-medium filter, an activated carbon filter, a precision filter and an internal pressure ultrafiltration filtration system, it is characterized in that a water source passes through an automatic multi-way valve of a multi-medium filter through a raw water pump and is arranged in the multi-medium filter, flowing to an activated carbon filter through a pipeline, wherein the activated carbon filter is connected with a precision filter, one end of the precision filter is connected with a dosing pump, the other end is connected with a water inlet at the lower end of the ultrafiltration main body device, the water outlet end of the ultrafiltration main body equipment is provided with outlets at two ends, one outlet is a clear water port and is directly connected to the clear water tank, the other outlet is a concentrated water port and is connected to a sewer, the rear end of the raw water pump is also provided with a cleaning pump for cleaning the ultrafiltration water purification device, and the cleaning pump is respectively connected with the chemical cleaning box and the ultrafiltration cleaning box.
2. The internal pressure type ultrafiltration water purification device according to claim 1, wherein the ultrafiltration cleaning tank is connected with an ultrafiltration backwashing pump, a water inlet pipeline of the ultrafiltration backwashing pump is connected with the clean water tank, and is connected with the precision filter and the dosing pump through the pressure transmitter, and finally enters the ultrafiltration membrane element for backwashing through an ultrafiltration membrane water production branch pipe in the ultrafiltration main device, and wastewater flows into a sewer from a concentrated water port to realize backwashing of the ultrafiltration main device.
3. The internal pressure type ultrafiltration water purification device of claim 1, wherein a chemical agent is placed in the chemical cleaning tank, and a front end chemical cleaning water inlet pump is connected with the chemical cleaning water inlet pump, the chemical cleaning water inlet pump is connected with the precision filter through a pipeline, and finally enters the ultrafiltration membrane element through an ultrafiltration membrane water production branch pipe in the ultrafiltration main body device for back filtration, and wastewater flows into a sewer from a concentrated water port.
4. The internal pressure type ultrafiltration water purification apparatus as claimed in claim 2, wherein the chemical cleaning pump is also used as a backup pump for the raw water pump.
5. The internal pressure type ultrafiltration water purification device according to claim 2 or 3, wherein the ultrafiltration main body device is an internal pressure type ultrafiltration membrane, an ultrafiltration membrane element in the ultrafiltration membrane is detachably arranged, and membrane filaments in the element are made of polysulfone material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921141954.9U CN212334821U (en) | 2019-07-19 | 2019-07-19 | Internal pressure type ultrafiltration water purification equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921141954.9U CN212334821U (en) | 2019-07-19 | 2019-07-19 | Internal pressure type ultrafiltration water purification equipment |
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| CN212334821U true CN212334821U (en) | 2021-01-12 |
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| CN201921141954.9U Active CN212334821U (en) | 2019-07-19 | 2019-07-19 | Internal pressure type ultrafiltration water purification equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282782A (en) * | 2019-07-19 | 2019-09-27 | 浙江水艺环境科技有限公司 | A kind of inner pressed ultrafiltration water-purifying apparatus and its application method |
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- 2019-07-19 CN CN201921141954.9U patent/CN212334821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282782A (en) * | 2019-07-19 | 2019-09-27 | 浙江水艺环境科技有限公司 | A kind of inner pressed ultrafiltration water-purifying apparatus and its application method |
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Address after: 315000 No.368, Xingci 1st Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee after: Shuiyi Environmental Protection Group Co.,Ltd. Address before: 315000 No.368, Xingci 1st Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: SHUIYI HOLDING GROUP CO.,LTD. |