CN216614363U

CN216614363U - Upflow filter for sewage treatment

Info

Publication number: CN216614363U
Application number: CN202123357416.3U
Authority: CN
Inventors: 靳杰; 许娟; 马强
Original assignee: Sichuan Development Guorun Water Investment Co ltd
Current assignee: Sichuan Development Guorun Water Investment Co ltd
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-05-27
Anticipated expiration: 2031-12-26

Abstract

The utility model discloses an upward flow filter for sewage treatment, which comprises a flow filter, wherein overflow grooves are fixedly connected at the top positions of the left side and the right side of the flow filter, a first pore plate is fixedly connected at the position close to the bottom of the middle of the inner wall of the flow filter, a second pore plate is fixedly connected at the position close to the top of the middle of the inner wall of the flow filter, and a filter plate is fixedly connected at the position close to the top of the inner wall of the flow filter. According to the utility model, the iron shavings are subjected to oxidation decomposition in a high dissolved oxygen environment, and then chemically react with phosphorus in the inlet water to generate iron phosphate, the iron phosphate is intercepted in the fiber filter plate at the top, so that the purpose of removing total phosphorus is achieved.

Description

Upflow filter for sewage treatment

Technical Field

The utility model relates to the technical field of municipal and industrial sewage, in particular to an upflow filter for sewage treatment.

Background

In the pollutant discharge standard of sewage treatment plants in China, the requirement on the removal rate of total nitrogen is very high, the standard of many places is also lower than that of surface three-class water and that of surface four-class water, and particularly, higher requirements are provided for the removal of total phosphorus and total nitrogen.

In the prior art, an upflow filtration mode has very remarkable advantages in water supply and sewage treatment, but the problem of uniform water distribution of a filter tank, namely water load control always influences the wide application of the filtration mode, the filter tank adopts a multi-grid parallel connection mode during operation, so that the total water to be treated needs to be uniformly distributed to each grid of the filter tank, the filter tank can be ensured to work under the designed water load, if the water to be treated is unevenly distributed, the condition that the treated water quantity of a certain grid of the filter tank is excessively increased and exceeds the designed allowable water load is caused, the filter tank penetration phenomenon occurs at this time, and the effluent quality is seriously influenced, therefore, the water load control of the filter tank is a very important problem in the application of a filtration process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an upflow filter for sewage treatment.

In order to achieve the purpose, the utility model adopts the following technical scheme: an upward flow filter tank for sewage treatment comprises a flow filter tank, overflow grooves are fixedly connected to the top positions of the left side and the right side of the flow filter tank, a first pore plate is fixedly connected to the middle of the inner wall of the flow filter tank near the bottom position, a second pore plate is fixedly connected to the middle of the inner wall of the flow filter tank near the top position, a filter plate is fixedly connected to the inner wall of the flow filter tank near the top position, a water inlet pipe penetrates through and is fixedly connected to the bottom position of the right side of the flow filter tank, a washing water inlet pipe penetrates through and is fixedly connected to the middle position of the rear end of the water inlet pipe, a washing air inlet pipe penetrates through and is fixedly connected to the bottom position of the left side of the flow filter tank, and an exhaust pipe penetrates through and is fixedly connected to the middle position of the front end of the washing air inlet pipe.

As a further description of the above technical solution:

the top positions of the inner sides of the two overflow grooves are both penetrated and provided with overflow ports.

As a further description of the above technical solution:

and the middle position of the bottom of each overflow groove penetrates through and is fixedly connected with a water outlet pipe.

As a further description of the above technical solution:

and industrial sulfur is arranged at the top of the first pore plate.

As a further description of the above technical solution:

and the bottom of the inner wall of the flow filter is respectively provided with a shaving iron and a carbon block.

As a further description of the above technical solution:

the middle position of the front end of the water inlet pipe penetrates through and is fixedly connected with a vent pipe.

As a further description of the above technical solution:

the filter plate is a fiber filter plate containing steel wires.

The utility model has the following beneficial effects:

1. in the utility model, firstly, the flow filter tank can effectively strengthen removal of COD, strengthen removal of total phosphorus, strengthen denitrification speed filtration of nitrate nitrogen, reduce dosage of carbon source, effectively remove low operation cost, the bottommost filler is carbon block, the principle of carbon block micro-electrolysis is adopted as the basic principle utilized by a micro-electrolysis reaction system, namely, when iron chips and carbon particles are immersed in acidic wastewater, numerous micro-primary cells can be formed in the wastewater due to the electrode potential difference between the iron and the carbon, the micro-primary cells take the iron with low potential as an anode and the carbon with high potential as a cathode, electrolytic corrosion reaction is carried out in aqueous solution containing acidic electrolyte, and sufficient active hydrogen, oxygen and hydroxyl are generated by electrolysis of microelectrodes, and the activity of the microelectrodes is utilized to decompose and reduce high molecular weight organic matter) carbon chain decomposition, the amount in inlet water is improved, the BOD value of B/C is increased, provides partial carbon source for denitrification and improves the effluent COD water quality standard.

2. According to the utility model, the iron shavings are subjected to oxidation decomposition in a high dissolved oxygen environment, and then chemically react with phosphorus in the inlet water to generate iron phosphate, the iron phosphate is intercepted in the fiber filter plate at the top, so that the purpose of removing total phosphorus is achieved.

Drawings

FIG. 1 is a perspective view of an upflow filter for sewage treatment according to the present invention;

FIG. 2 is a front perspective view of an upflow filter for sewage treatment according to the present invention;

FIG. 3 is a cross-sectional view of an upflow filter for sewage treatment according to the present invention.

Illustration of the drawings:

1. a flow filter; 2. an overflow trough; 3. an overflow port; 4. a water outlet pipe; 5. a water inlet pipe; 6. a flushing water inlet pipe; 7. an emptying pipe; 8. flushing an air inlet pipe; 9. an exhaust pipe; 10. shaving iron; 11. a carbon block; 12. a first orifice plate; 13. industrial sulfur; 14. a second orifice plate; 15. a filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: an upflow filter for sewage treatment, which comprises a flow filter 1, overflow chutes 2 are fixedly connected at the top positions of the left side and the right side of the flow filter 1, a first pore plate 12 is fixedly connected at the middle of the inner wall of the flow filter 1 by the bottom position, a second pore plate 14 is fixedly connected at the middle of the inner wall of the flow filter 1 by the top position, a filter plate 15 is fixedly connected at the inner wall of the flow filter 1 by the top position, a water inlet pipe 5 is penetrated and fixedly connected at the bottom position of the right side of the flow filter 1, a flushing water inlet pipe 6 is penetrated and fixedly connected at the middle position of the rear end of the water inlet pipe 5, a flushing air inlet pipe 8 is penetrated and fixedly connected at the bottom position of the left side of the flow filter 1, an exhaust pipe 9 is penetrated and fixedly connected at the middle position of the front end of the flushing air inlet pipe 8, the flow filter 1 can effectively enhance removal of COD, enhance removal of total phosphorus, enhance denitrification speed filtration of nitrate nitrogen, and reduce the dosage of carbon source, the low operation cost is effectively removed, the bottommost filler is the carbon block 11, the micro-electrolysis principle of the carbon block 11 is adopted, and the basic principle utilized by a micro-electrolysis reaction system is the iron-carbon micro-electrolysis principle, namely when scrap iron and carbon particles are immersed in acidic wastewater, an infinite number of micro-primary cells can be formed in the wastewater due to the electrode potential difference between iron and carbon, the micro-primary cells take iron with low potential as an anode and carbon with high potential as a cathode, an electroerosion reaction occurs in an aqueous solution containing acidic electrolyte, and microelectrodes are electrolyzed to generate sufficient active hydrogen, oxygen and hydroxyl, so that the activity of the micro-primary cells is utilized to decompose and reduce the decomposition of a carbon chain of a high molecular weight organic matter, the BOD amount of inlet water is increased, the B/C value is increased, a partial carbon source is provided for denitrification, and the COD standard of effluent water quality is improved.

The top positions of the inner sides of the two overflow chutes 2 are both penetrated and provided with overflow ports 3, the middle positions of the bottoms of the two overflow chutes 2 are both penetrated and fixedly connected with a water outlet pipe 4, the top of a first pore plate 12 is provided with industrial sulfur 13, the bottoms of the inner walls of the flow filter 1 are respectively provided with a wood shaving iron 10 and a carbon block 11, the middle position of the front end of a water inlet pipe 5 is penetrated and fixedly connected with a vent pipe 7, a filter plate 15 adopts a fiber filter plate containing steel wires, the wood shaving iron 10 is subjected to oxidation decomposition in a high dissolved oxygen environment and is subjected to chemical reaction after reacting with phosphorus in inlet water to generate iron phosphate, intercepted in the fiber filter plate 15 at the top, and the purpose of removing the total phosphorus is realized, overflow chutes 2 are arranged at the two sides of the flow filter tank 1, when the water in the flow filter tank 1 is more, the overflowed water flows to the overflow groove 2 through the overflow port 3, the overflow phenomenon of water can be avoided more effectively, and when more water is accumulated in the overflow groove 2, the water can be discharged through the water outlet pipe 4 at the bottom.

The working principle is as follows: the flow filter 1 can effectively strengthen removal of COD, strengthen removal of total phosphorus, strengthen denitrification speed filtration of nitrate nitrogen, reduce dosage of carbon source and effectively remove low operation cost, the bottommost filler is the carbon block 11, the principle of micro-electrolysis of the carbon block 11 is adopted, the basic principle utilized by a micro-electrolysis reaction system is the principle of iron-carbon micro-electrolysis, namely, when scrap iron and carbon particles are immersed in acidic wastewater, numerous micro-galvanic cells can be formed in the wastewater due to electrode potential difference between iron and carbon, the micro-galvanic cells take iron with low potential as an anode and carbon with high potential as a cathode, electrolytic corrosion reaction is carried out in aqueous solution containing acidic electrolyte, sufficient active hydrogen, oxygen and hydroxyl are generated by electrolysis of the micro-electrodes, and the activity of the micro-electrode is utilized to decompose and reduce decomposition of carbon chains of BOD high molecular weight organic matters), the amount in the inlet water is improved, the value of B/C is increased, the method provides a part of carbon source for denitrification, improves the water quality standard of COD (chemical oxygen demand) of the effluent, the iron shavings 10 are subjected to oxidation decomposition in an environment with high dissolved oxygen, and then are subjected to chemical reaction after being reacted with phosphorus in the influent water to generate iron phosphate, the iron phosphate is intercepted in the fiber filter plate 15 at the top, so that the aim of removing the total phosphorus is fulfilled, the overflow grooves 2 are arranged on two sides of the flow filter tank 1, when more water is in the flow filter tank 1, the overflowed water flows into the overflow grooves 2 through the overflow ports 3, the overflow phenomenon of the water can be more effectively avoided, and when more water is accumulated in the overflow grooves 2, the water can be discharged through the water outlet pipe 4 at the bottom.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An upflow filter for sewage treatment, comprising a flow filter (1), characterized in that: the equal fixedly connected with overflow launder (2) in the left and right sides top position flows filtering pond (1), flow filtering pond (1) inner wall centre and lean on the first orifice plate of bottom position fixedly connected with (12), flow filtering pond (1) inner wall centre and lean on top position fixedly connected with second orifice plate (14), flow filtering pond (1) inner wall leans on top position fixedly connected with filter (15), flow filtering pond (1) right side bottom position runs through and fixedly connected with inlet tube (5), inlet tube (5) rear end intermediate position runs through and fixedly connected with washes inlet tube (6), flow filtering pond (1) left side bottom position runs through and fixedly connected with washes intake pipe (8), it runs through and fixedly connected with blast pipe (9) to wash intake pipe (8) front end intermediate position.

2. An upflow filter for sewage treatment as set forth in claim 1, wherein: the top positions of the inner sides of the two overflow grooves (2) are both penetrated and provided with overflow ports (3).

3. An upflow filter for sewage treatment as set forth in claim 1, wherein: the middle positions of the bottoms of the two overflow grooves (2) are both penetrated and fixedly connected with water outlet pipes (4).

4. An upflow filter for sewage treatment as set forth in claim 1, wherein: and industrial sulfur (13) is arranged at the top of the first pore plate (12).

5. An upflow filter for sewage treatment as set forth in claim 1, wherein: the bottom of the inner wall of the flow filter tank (1) is respectively provided with a shaving iron (10) and a carbon block (11).

6. An upflow filter for sewage treatment as set forth in claim 1, wherein: the middle position of the front end of the water inlet pipe (5) penetrates through and is fixedly connected with a vent pipe (7).

7. An upflow filter for sewage treatment as set forth in claim 1, wherein: the filter plate (15) is a fiber filter plate containing steel wires.