CN213771435U

CN213771435U - Integrated device for improving water supply quality of residential district

Info

Publication number: CN213771435U
Application number: CN202022772287.3U
Authority: CN
Inventors: 王刚; 邹志华
Original assignee: Gansu Langqian Environmental Science Research Co ltd
Current assignee: Gansu Langqian Environmental Science Research Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an integrated device of promotion residential district water supply quality of water belongs to filter equipment's technical field, solves the technical problem of resident quality water. Including photovoltaic module and with the reverse osmosis filter assembly that photovoltaic module electricity is connected, wherein: the photovoltaic module is used for converting solar energy into electric energy, storing the electric energy and providing the electric energy for the reverse osmosis filtering module; the reverse osmosis filtering component is used for filtering domestic water in a reverse osmosis mode and is communicated with a municipal water supply pipeline, and municipal water is conveyed to a water user after being filtered by the reverse osmosis filtering component. The utility model is used for perfecting the quality of the domestic water, and meeting the requirement of using soft water for the domestic water in northern areas.

Description

Integrated device for improving water supply quality of residential district

Technical Field

The utility model belongs to the technical field of water quality filtering equipment, especially, relate to an integrated device who promotes residence community water supply quality of water.

Background

In northern areas of China, particularly in Shaanxi, Ganhe and Ning areas, municipal water supply of residential quarters is mostly hard water, the hard water is also called hard water, the hardness of the water refers to the concentration of calcium and magnesium ions in the water, the unit of the hardness is ppm, 1ppm represents the content of calcium carbonate in the water to be 1 milligram per liter (mg/L), the standard water of national standard is met, and the standard of the national standard domestic water is less than or equal to 450 mg/L. Hard water does not directly harm health, but brings much trouble to life, for example, a wall-mounted furnace used for heating in winter is increased in power consumption along with the increase of the age due to the formation of scale, and the efficiency is linearly reduced.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated device that promotes residence community water supply quality of water solves the technical problem of resident quality water. The present disclosure has numerous technical advantages, as described in detail below.

The utility model provides an integrated device that promotes residence community water supply quality of water, including photovoltaic module and with the reverse osmosis filter assembly that the photovoltaic module electricity is connected, wherein:

the photovoltaic module is used for converting solar energy into electric energy, storing the electric energy and providing the electric energy for the reverse osmosis filtering module; the reverse osmosis filtering assembly is used for filtering domestic water in a reverse osmosis mode and is communicated with a municipal water supply pipeline, municipal water is conveyed to a water user after being filtered by the reverse osmosis filtering assembly, and quality water is improved.

Reverse osmosis, also known as reverse osmosis, is a membrane separation operation that separates a solvent from a solution using a pressure differential to drive the membrane. Reverse osmosis is known because it is in the opposite direction to natural osmosis. According to different osmotic pressures of various materials, a reverse osmosis pressure which is larger than the osmotic pressure, namely a reverse osmosis method, can be used for achieving the purposes of separation, extraction, purification and concentration.

The reverse osmosis filter assembly comprises a hollow fiber membrane, the hollow fiber membrane is made of modified cellulose acetate material, and the outer diameter of a monofilament of the hollow fiber is very thin, for example, about 2-3 times of the diameter of hair. The hollow fiber membrane is circumferentially arranged in a structure of a plurality of micropores, the micropores, preferably nanopores, for example, the micropores less than 100 nanometers, improve the specific surface area of filtration, compared with the traditional roll-type reverse osmosis membrane, the specific surface area is 4 times of the specific surface area, the filtration efficiency is improved, and the flow loss of the permeated water is small, so that harmful substances in the water can be filtered, for example, salts and/or alkalis in the water can be filtered, therefore, during the filtration, the alkalis and alkalis are isolated on the outer surface of the hollow fiber membrane, no additional agents such as scale inhibitors and the like are needed, and through the reverse osmosis filtration, the domestic water can be reduced from 450mg/l of standard water to 140mg/l or less than 140mg/l of standard water, and hard water is converted into soft water or approaches to the standard of soft water. The quality of district resident water has essentially been changed, for example, the wall-hanging stove is used in winter in the north, and water after filtering gets into the back, can effectively reduce the condensation of incrustation scale in the wall-hanging stove, improves efficiency and the year of its use, and for example again, the district user need not the small-size domestic water quality filter of local installation, practices thrift the economic cost of drinking water.

In addition, the electric energy of the reverse osmosis filter assembly is provided by a photovoltaic assembly, for example, a photovoltaic panel is built on a cell rooftop, and solar energy in natural resources is utilized to provide energy for the reverse osmosis filter assembly by being converted into the electric energy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an integrated device for improving the quality of water supplied to residential districts according to the present invention;

FIG. 2 is a front cross-sectional view of the hollow fiber membrane device of the integrated device for improving the quality of water supplied to residential quarters;

fig. 3 is a cross-sectional view of a hollow fiber membrane a-a of the present invention.

Wherein: 1. a photovoltaic module; 2. a box body; 21. a hollow fiber membrane; 22. a water inlet; 23. a water outlet; 24. backwashing the water outlet; 25. a water baffle; 26. a water storage cavity; 3. a filter; 4. a backwashing device; 5. a water storage tank; 6. and (4) cell units.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the invention, and not a full range of embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The integrated device for improving the quality of the water supplied to the residential community as shown in fig. 1 comprises a photovoltaic module 1 and a reverse osmosis filtering module electrically connected with the photovoltaic module 1. Photovoltaic module 1 for solar energy turns into the electric energy and stores for reverse osmosis filter assembly's electric energy provides, for example, adopts the photovoltaic power generation subassembly among the prior art or adopts the photovoltaic of being incorporated into the power networks, adopts PLC control system, controls, installs control valve, check valve and atmospheric valve etc. on the water supply line.

The reverse osmosis filter component is used for filtering domestic water in a reverse osmosis mode, and reverse osmosis is also called reverse osmosis and is driven by pressure difference to separate a membrane separation operation of a solvent from a solution. Reverse osmosis is known because it is in the opposite direction to natural osmosis. The reverse osmosis filter assembly comprises a hollow fiber membrane 21, wherein the hollow fiber membrane 21 is made of modified cellulose acetate material, and the outer diameter of a monofilament of the hollow fiber is very small, for example, about 2-3 times of the diameter of hair. The hollow fiber membrane 21 is circumferentially provided with a plurality of micropores, preferably nanopores, for example, micropores smaller than 100 nanometers, which increase the filtration specific surface area, increase the filtration specific surface area per unit area, improve the filtration efficiency, and have small flow loss of the permeated water, and can filter harmful substances in the water, for example, salts and/or alkalis in the filtered water, so that the alkalis and alkalis are isolated on the outer surface of the hollow fiber membrane 21 during filtration, and no chemical agent such as a scale inhibitor is required to be added. Through reverse osmosis filtration, domestic water can be by standard water 450mg/l, reduce to 140mg/l or be close to 100mg/l, convert the stereoplasm water into soft water, or, be close to the high-quality water of soft water standard, the quality of district's resident water has essentially been changed, for example, wall-hanging stove is used in northern winter, water after filtering gets into the back, can effectively reduce the condensation of incrustation scale in the wall-hanging stove, improve its efficiency and the year of using, for example again, the district user need not the small-size domestic water quality filter of local installation, the economic cost of saving drinking water, for example again, when people are bathing, soft water and skin contact, improve the comfort level. The reverse osmosis filter assembly is communicated with a municipal water supply pipeline, municipal water is filtered by the reverse osmosis filter assembly and then is conveyed to water users, and quality water is provided for users in residential districts.

The domestic small-sized filtering device in northern China is not used by every household, one is that the small-sized filtering device occupies a certain space in a kitchen or a toilet, and particularly in a city, the economic standard is low; secondly, after the filter element is used for a period of time, the filter element needs to be replaced and then can be continuously used, and the filter element is general, expensive and comprises the perennial replacement of the filter element; thirdly, the household small-sized filter device can only be used as a water source for drinking water, but not for bathing or other purposes, so that the household small-sized filter device cannot essentially solve the problem of drinking water for residents in urban districts on the whole. The technical scheme provided by the scheme is combined, and the quality of the domestic water can be essentially changed through one-time investment.

As an optional implementation mode, the reverse osmosis filtration module includes a reverse osmosis device, a plurality of hollow fiber membranes 21 are installed in the reverse osmosis device, the hollow fiber membranes 21 are circumferentially provided with micropores, wherein: municipal water is reverse osmosis filtered by a plurality of hollow fiber membranes 21 and delivered to a water user. For example, the reverse osmosis apparatus includes a tank 2, a water inlet 22 is installed on the top surface or side surface of the tank 2, a water outlet 23 is installed on one side surface, hollow fiber membranes 21 are installed in the tank 2, one end of each hollow fiber membrane 21 is open, the open ends of the plurality of hollow fiber membranes 21 are communicated with the water outlet 23, and the other ends are free ends or fixed in the tank 2 or arranged close to the water inlet 22. The hollow fiber membranes 21 may be placed in a horizontal manner or in a vertical direction, if necessary to indicate water. After water enters the hollow fiber membrane 21, because the surface is provided with micropores and one end of the membrane is closed, the water enters the hollow fiber membrane 21 through the micropores, salt or alkali substances are filtered or isolated on the outer surface or the circumferential direction of the hollow fiber membrane 21, and the water filtered through the micropores is soft water or quality water which is discharged through the water outlet 23 and is conveyed to a user of a residential area for use.

Furthermore, a water baffle 25 is hermetically installed in the box body 2, the water inlet 22 and the water outlet 23 are respectively arranged at two sides of the box body 2, and mounting holes matched with the shape of the hollow fiber membrane 21 are formed in the surface of the water baffle 25. The breakwater 25 is close to the position setting of outlet 23, and breakwater 25 forms with box 2 one side and deposits water cavity 26, the effect of depositing water cavity 26 reduces the impact of water pressure to the membrane open end, reduce the equipment loss, and can increase the installation quantity of hollow fiber membrane 21, improve filter area, the mounting means, for example, the open end of hollow fiber membrane 21 is installed on breakwater 25, the other end is fixed in box 2 one side or is the free end (next-door neighbour water inlet 22 sets up), be equipped with the hole of a plurality of and hollow fiber membrane 21 size looks adaptations on the breakwater 25, hollow fiber membrane 21 one end opening, the other end is sealed, the open end is installed on breakwater 25, flush or slightly stretch out with the breakwater 25 page of a whole page. The water baffle 25 is hermetically installed in the box body 2, municipal water enters the water storage cavity 26 through the water inlet 22, enters the membrane through the circumferential micropores of the hollow fiber membrane 21 for reverse osmosis filtration, and then is discharged through the water outlet 23. Of course, the non-open end of the hollow fiber membrane 21 can also be installed on another water baffle 25 adjacent to the water inlet 22 in a non-sealing manner, so that the installation of the non-open end of the hollow fiber membrane 21 is facilitated, the water baffle does not block water, and water can freely pass through the water baffle and is mainly used for fixing the non-open end of the membrane.

Generally, in consideration of the need for maintenance of equipment, a filtered water storage tank 5 is provided, and the filtered water storage tank 5 is connected in parallel with a community water supply pipe after being provided with a water pump. The pipeline is provided with a control valve required by national standard water supply and drainage standards.

As an optional implementation mode, in order to improve the filtering efficiency, the filter 3 is included, magazines with relatively large particles in the filtered water are filtered, the filter 3 comprises an automatic cleaning filter and a precision filter which are communicated, and the municipal water supply is sequentially filtered by the automatic cleaning filter and the precision filter and then is conveyed to the water to be filtered by the reverse osmosis filtering component.

As an optional embodiment, the reverse osmosis water purifier further comprises a pressurizing pump, wherein the pressurizing pump is respectively communicated with the precision filter 3 and the reverse osmosis filtering assembly and is used for increasing the pressure of water so as to ensure that the water entering the reverse osmosis assembly is pressurized water.

As an alternative embodiment, the photovoltaic module 1 includes a controller, and a photovoltaic panel assembly and a storage battery electrically connected to the controller, wherein the photovoltaic panel assembly absorbs solar energy and converts the solar energy into electrical energy for storage in the storage battery. The storage battery pack is electrically connected with the reverse osmosis filtering assembly to provide electric energy power, and generally, the photovoltaic panel assembly is installed at the position of a 6-day balcony or the roof of a community unit to effectively utilize space. Photovoltaic board subassembly includes, photovoltaic board, installing support and mount etc. adopts prior art's product can.

As an alternative embodiment, an inverter is connected between the storage battery pack and the reverse osmosis filtering assembly, and the inverter is used for converting direct current into alternating current. The inverter is a converter which converts a direct current electric energy battery into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave). It is composed of inverter bridge, control logic and filter circuit, and is suitable for application in AC electric appliance.

As an alternative embodiment, a backwashing device 4 is also included, and the backwashing device 4 is activated when the reverse osmosis module is not in operation. The backwashing device 4 comprises a backwashing water tank and a water pump, backwashing liquid is stored in the backwashing water tank, and the backwashing liquid is conveyed to the reverse osmosis filtering component through the water pump for backwashing. The backwash liquid mainly suppresses the growth of microorganisms in the hollow fiber membrane 21, for example, by using a plurality of backwash water tanks, respectively containing sodium hypochlorite, hydrochloric acid, sodium hydroxide solution, or the like, to decompose metabolites or microorganisms of the microorganisms on the circumferential outer surface of the hollow fiber membrane 21 or in the tank body, or by adding a scale remover to clean scale.

Generally, a backwashing water outlet 24 is arranged on the box body 2, when maintenance is needed, the reverse osmosis filtering component stops working, backwashing liquid enters the box body 2 through the water inlet 22, dirt and scale on the outer surface or the circumferential direction of the hollow fiber membrane 21 or in the box body are cleaned, the cleaning liquid is discharged through the backwashing water outlet 24, and the discharged water can be discharged to a fire water tank to be used as fire water.

In another aspect, a process for filtering domestic water is provided, the process comprising:

s1, installing a photovoltaic module 1 on a water user community balcony for converting solar energy into electric energy;

s2, sequentially communicating a pre-filtering system and a reverse osmosis filtering component on a municipal water supply pipeline of the entering water community, wherein the reverse osmosis filtering component comprises a hollow fiber membrane 21 or a reverse osmosis membrane and is used for desalting or dealkalizing water entering a water user;

s3, constructing a backwashing device 4 communicated with the reverse osmosis filtering component, wherein the backwashing device 4 comprises a backwashing water tank storing backwashing liquid.

The method can effectively solve the quality problem of domestic water, solves the technical problems that hard water is inconvenient to use in northern areas for decades, reduces the service efficiency and service life of the wall-mounted furnace, and causes high installation cost of the small filter 3, and fills the blank that northern areas can use soft water as domestic water in large areas.

The product provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for a person skilled in the art, without departing from the inventive concept of the present invention, several improvements and modifications can be made to the invention, and these improvements and modifications also fall within the scope of the claims of the invention.

Claims

1. The utility model provides an integrated device of promotion residential district water supply quality of water which characterized in that, includes photovoltaic module (1) and with the reverse osmosis filter assembly that photovoltaic module (1) electricity is connected, wherein:

the photovoltaic module (1) is used for converting solar energy into electric energy, storing the electric energy and providing the electric energy for the reverse osmosis filtering module;

the reverse osmosis filtering component is used for filtering domestic water in a reverse osmosis mode and is communicated with a municipal water supply pipe, and municipal water is conveyed to a water user after being filtered by the reverse osmosis filtering component.

2. The integrated device for improving the quality of water supplied to residential communities according to claim 1, characterized in that the reverse osmosis filtration module comprises a reverse osmosis device, a plurality of hollow fiber membranes (21) are installed in the reverse osmosis device, the hollow fiber membranes (21) are circumferentially provided with micropores, wherein: municipal water is subjected to reverse osmosis filtration by a plurality of the hollow fiber membranes (21) and then delivered to a water user.

3. The integrated device for improving the quality of water supplied to residential communities according to claim 2, characterized in that the reverse osmosis device comprises a box body (2), a water inlet (22) is installed on the top surface or side surface of the box body (2), a water outlet (23) is installed on one side surface of the box body, the hollow fiber membranes (21) are installed in the box body (2), and one end of each hollow fiber membrane (21) is provided with an opening structure, wherein:

the open ends of the hollow fiber membranes (21) are communicated with the water outlet (23), and the other ends are free ends or fixed in the box body (2).

4. The integrated device for improving the quality of water supplied to residential communities according to claim 3, characterized in that a water baffle (25) is hermetically installed in the box body (2), the water inlet (22) and the water outlet (23) are respectively arranged at two sides of the box body (2), and a mounting hole matched with the shape of the hollow fiber membrane (21) is arranged on the surface of the water baffle (25), wherein:

the water baffle (25) is arranged close to the water outlet (23), and a water storage cavity (26) is formed between the water baffle (25) and one side of the box body (2);

the open end of the hollow fiber membrane (21) is arranged on the water baffle (25), and the other end is fixed on one side of the box body (2) or is a free end.

5. The integrated device for improving the quality of water supplied to residential quarters according to any one of claims 1 to 4, characterized in that it further comprises an automatic cleaning filter (3) and a precision filter (3) which are communicated with each other, and municipal water is filtered by the automatic cleaning filter (3) and the precision filter (3) in sequence and then is delivered to the water to be filtered by the reverse osmosis filter assembly.

6. Integrated device for upgrading the quality of water supplied to residential communities according to claim 5, characterized in that it comprises a pressurizing pump, which communicates with the fine filter (3) and the reverse osmosis filtering module, respectively, for increasing the pressure of the water.

7. The integrated device for improving the quality of water supplied to residential communities as claimed in claim 1, characterized in that said photovoltaic module (1) comprises a controller and a photovoltaic panel assembly and a storage battery electrically connected with said controller, said photovoltaic panel assembly absorbing solar energy and converting it into electric energy, stored in said storage battery; the storage battery pack is electrically connected with the reverse osmosis filtering component.

8. The integrated unit of claim 7, wherein an inverter is connected between the battery pack and the reverse osmosis filter assembly, the inverter converting direct current to alternating current.

9. The integrated device for improving the quality of water supplied to residential communities according to claim 7, further comprising a backwashing device (4), wherein the backwashing device (4) comprises a backwashing water tank and a water pump, backwashing water is stored in the backwashing water tank, and is conveyed to the reverse osmosis filter assembly through the water pump for backwashing.