CN215855419U

CN215855419U - Water filtering device

Info

Publication number: CN215855419U
Application number: CN202122029699.2U
Authority: CN
Inventors: 郑德明
Original assignee: Hunan Tiantong Environmental Protection Technology Co ltd
Current assignee: Hunan Tiantong Environmental Protection Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-18
Anticipated expiration: 2031-08-26

Abstract

The utility model provides a water filter equipment, is including the coarse filtration jar, active carbon filtration jar and the molecular sieve filter tank that connect gradually, the active carbon is equipped with the sand filtering layer in filtering the jar, the sand filtering layer comprises ore sand, and its particle diameter is 0.5mm-3mm, be equipped with activated carbon powder inlet valve on the active carbon filtration jar, the bottom that the active carbon filters the jar is equipped with the wash pipe. The method comprises the steps of uniformly stirring the activated carbon powder, then scattering the activated carbon powder to cover the middle upper part of the sand filter layer, adsorbing the activated carbon powder on the sand filter layer, reducing the using amount of the activated carbon, not needing to replace an activated carbon filter element, and regularly adding the activated carbon powder which is about 1% of the cost of the filter element every 30 days to complete the updating of the activated carbon filter element, so that the operating cost of the activated carbon is greatly saved, and meanwhile, the activated carbon powder is fully utilized to adsorb various trace substances.

Description

Water filtering device

Technical Field

The utility model relates to a filtering device, in particular to a water filtering device.

Background

The complete equipment for filtering purified water is composed of a coarse filtering tank, a renewable activated carbon particle filtering tank and a molecular sieve filtering tank. The activated carbon particle filter tank is widely applied to a key unit in a purified water purification treatment process, and has an absolute effect of adsorbing trace substances which are difficult to degrade or remove by other process methods in water. However, because the activated carbon particle filter tank has short service cycle, high operation cost and large equipment investment, nominally, the filter element is replaced once in half a year, and the activated carbon particles reach a saturated state after actually operating for about one month, the filter element of the activated carbon tank needs to be integrally replaced, so that the consumption is too large, and the user cannot bear the activated carbon particle filter tank. So that the application of the purified water filtering complete set is limited.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects in the prior art and provide a water filtering device with low cost and long-term operation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a water filter equipment, filters jar and molecular sieve filter tank including the coarse filtration jar, active carbon that connect gradually, the active carbon filters and is equipped with the sand filtering layer in the jar, the sand filtering layer comprises ore sand, and its particle diameter is 0.5mm-3mm, be equipped with activated carbon powder inlet valve on the active carbon filter tank, activated carbon powder after the stirring gets into by activated carbon powder inlet valve, and the adhesion is on the well upper portion of sand filtering layer, the bottom that the active carbon filtered the jar is equipped with the wash pipe.

Further, coarse filtration jar and active carbon filter jar are connected through first takeover, the bottom at coarse filtration jar is installed to the one end of first takeover, and the other end of first takeover is installed on the upper portion that active carbon filters the jar, is equipped with the inlet valve on the first takeover, active carbon filters jar and molecular sieve and filters the jar and take over through the second and connect, the bottom at nature charcoal filter jar is installed to the one end that the second was taken over, and the other end that the second was taken over is installed on the upper portion that the molecular sieve filtered the jar, is equipped with outlet valve on the second takeover.

Furthermore, a flushing valve is arranged on the flushing pipe.

Further, the sand filtering layer is positioned in the middle of the activated carbon filtering tank.

Further, the sand filtering layer is supported by a filter screen.

Preferably, the ore sand has a particle size of 1mm to 2 mm.

The method comprises the steps of uniformly stirring the activated carbon powder with water, then scattering the activated carbon powder to cover the middle upper part of the sand filter layer, adsorbing the activated carbon powder on the sand filter layer, reducing the using amount of the activated carbon, not needing to replace an activated carbon filter element, and regularly adding the activated carbon powder which is about 1% of the cost of the filter element every 30 days to complete the updating of the activated carbon filter element, so that the operating cost of the activated carbon is greatly saved, and meanwhile, the activated carbon powder is fully utilized to adsorb various trace substances.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. the device comprises a coarse filtration tank, 2, an activated carbon filtration tank, 3, a molecular sieve filtration tank, 4, a first connecting pipe, 5, a water inlet valve, 6, a second connecting pipe, 7, a water outlet valve, 8, a sand filter layer, 9, a flushing valve, 10, a flushing pipe, 11 and an activated carbon powder inlet valve.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

As shown in fig. 1, this embodiment filters jar 2 and molecular sieve filter jar 3 including the coarse filtration jar 1, the active carbon that connect gradually, and coarse filtration jar 1 and active carbon filter jar 3 are connected through first takeover 4, the bottom at coarse filtration jar 1 is installed to the one end of first takeover 4, and the upper portion at active carbon filter jar 2 is installed to the other end of first takeover 4, is equipped with inlet valve 5 on first takeover 4, active carbon filters jar 2 and molecular sieve filter jar 3 and takes over 6 connections through the second, the bottom at sexual charcoal filter jar 2 is installed to the one end of second takeover 6, and the other end of second takeover 6 is installed on the upper portion of molecular sieve filter jar 3, is equipped with outlet valve 7 on second takeover 6.

Be equipped with in the active carbon filter tank 2 and strain sand bed 8, be equipped with activated carbon powder inlet valve 11 on the active carbon filter tank 2, activated carbon powder after the stirring is got into by activated carbon powder inlet valve 11, and the adhesion is at the well upper portion of straining sand bed 8, the bottom that the active carbon filter tank 2 was equipped with the wash pipe 10, is equipped with the wash valve 9 on this wash pipe 10.

The sand filtering layer 8 is positioned in the middle of the active carbon filtering tank 2, the sand filtering layer 8 is supported by a filter screen, and the sand filtering layer is composed of ore sand with the particle size of 0.5mm-3 mm.

The operation process of the utility model is as follows: firstly closing a water inlet valve 5 and a water outlet valve 7, opening a flushing valve 9 and an activated carbon powder inlet valve 11 to flush the activated carbon filter tank 2, then stirring the activated carbon powder and water, and then entering the sand filter layer 8 through the activated carbon powder inlet valve 11 to enable the activated carbon powder to be adsorbed on the surface of the ore sand on the upper layer in the sand filter layer 8.

The water filtration process is the same as conventional filtration, from the water inlet through the filter sand layer to the outlet.

The sand filtering layer 8 is divided into two areas, water passes through the filter bed, firstly suspended substance impurities in the water are removed in the active carbon adsorption filtering area at the upper middle layer of the sand filtering layer 8, and then the water passes through the lower part of the sand filtering layer to remove soluble pollutants in the water. High impurity removal rate

After the dirt-intercepting capability of the sand filter layer 8 is saturated, the flushing valve 9 and the activated carbon powder inlet valve 11 are opened by manual operation, and the backwashing is carried out by clear water. The activated carbon powder, nearly saturated with adsorbed contaminants, elutes out of the canister with backwash water back into the sewer. Thereafter, another duty cycle begins, and so on.

The experimental parameters of the utility model are as follows:

impurities contained before raw water enters the coarse filtration tank:

the concentration SS of the particles is less than or equal to 3mg/m 3; the metal in the air is less than or equal to 1mg/m 3; others < 2mg/m 3.

The depth of the filter bed in the activated carbon filter tank is 15 cm. The adsorption zone was 10cm deep.

The filtration pressure is 0.05-0.3MPa (0.5-3 kgf/cm 2).

Purified water discharged from the molecular sieve filtration tank:

the concentration SS of the particles is less than 0.1mg/m 3.

The contents of impurities and heavy metals in the water reach the national discharge standard or are lower than the national purified water standard.

Wherein the time for one back flushing of the activated carbon filter tank is 3-5 min. The water consumption for one time of back washing is less than or equal to 20 kg.

Various modifications and variations of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims

1. The utility model provides a water filter equipment, includes coarse filtration jar, active carbon filtration jar and the molecular sieve filter tank that connects gradually, its characterized in that: the activated carbon filter tank is characterized in that a sand filtering layer is arranged in the activated carbon filter tank, the sand filtering layer is composed of ore sand, the particle size of the sand filtering layer is 0.5-3 mm, an activated carbon powder inlet valve is arranged on the activated carbon filter tank, and a flushing pipe is arranged at the bottom of the activated carbon filter tank.

2. A water filtration device as claimed in claim 1, wherein: the utility model discloses a filter tank, including the coarse filtration jar, the active carbon filter jar is connected through first takeover, the bottom at the coarse filtration jar is installed to the one end of first takeover, and the other end of first takeover is installed on the upper portion that the active carbon filtered the jar, is equipped with inlet valve on the first takeover, the active carbon filter jar is connected through the second takeover with the molecular sieve filter jar, the one end that the second was taken over is installed in the bottom that the nature charcoal filtered the jar, and the upper portion at the molecular sieve filter jar is installed to the other end that the second was taken over, and the second is taken over and is equipped with outlet valve.

3. A water filtration device as claimed in claim 1 or 2, wherein: and a flushing valve is arranged on the flushing pipe.

4. A water filtration device as claimed in claim 1 or 2, wherein: the sand filtering layer is positioned in the middle of the activated carbon filtering tank.

5. A water filtration device as claimed in claim 1, wherein: the sand filtering layer is supported by a filter screen.