CN214512926U

CN214512926U - Integrated gravity flow filtration equipment for sewage treatment

Info

Publication number: CN214512926U
Application number: CN202120538317.6U
Authority: CN
Inventors: 赵廷杰
Original assignee: Qingdao Lvyuan Intelligent Control Environmental Protection Technology Co ltd
Current assignee: Qingdao Lvyuan Intelligent Control Environmental Protection Technology Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-29
Anticipated expiration: 2031-03-15

Abstract

The utility model provides an integration gravity flow filtration equipment for sewage treatment, including the cell body, the cell body passes through the baffle to be separated for filtering ponds and product pond, still includes inlet tube, outlet pipe, intake pipe and blow off pipe, be equipped with on the inlet tube respectively with filtering ponds, product water inlet A and the water inlet B of pond intercommunication, install respectively on water inlet A and the water inlet B and be equipped with water intaking valve A and water intaking valve B, establish fixed filter plate upper strata and lower floor respectively in the filtering ponds, be equipped with the filter layer in the upper strata, be equipped with the flowing water passageway on the baffle between lower floor and the product pond, the intake pipe intercommunication is installed on the pool wall of lower floor and is equipped with the admission valve on it, and the blow off pipe intercommunication is installed and is equipped with the blowoff valve on the position department that lies in the filter layer top on the pool wall of upper strata, and the outlet pipe intercommunication is installed on product pond and is equipped with the drain valve on it. The utility model provides an investment and operation cost are saved, the integrated gravity flow filtration equipment for sewage treatment of automation mechanized operation.

Description

Integrated gravity flow filtration equipment for sewage treatment

Technical Field

The utility model relates to a sewage treatment especially relates to an integration gravity flow filtration equipment for sewage treatment.

Background

The sand filtration system is a deep treatment unit commonly used in sewage treatment and is used for filtering and removing suspended matters in water. A commonly used filtration system in integrated wastewater treatment plants is a sand canister. Current sand filtration jar needs to be equipped with the intake pump of large-lift, and general lift is at 30 ~ 35m, relies on the water pump to realize intaking and filtering. After the sand filter tank works for a period of time, the sand layer is blocked by suspended matters, and a large-flow backwashing water pump is also needed to be equipped for reversely flushing out the blocked suspended matters so as to recover the filtering function of the sand filter tank.

The sewage treatment integrated equipment has small scale, high integration level and limited space between equipment. The existing sand filter tank is used on sewage treatment integrated equipment, so that equipment is crowded, a plurality of matched water pumps are arranged, pipelines are complex, and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

Based on the above problem, the utility model aims to provide a save investment and operation cost, the integrated gravity flow filtration equipment for sewage treatment of automation mechanized operation to solve the high energy consumption that the filtration jar that provides among the above-mentioned background art was equipped with the intake pump, goes out the water pump and leads to, and the problem that sewage treatment integrated equipment is inside crowded, the pipeline is complicated, degree of automation is low.

Aiming at the problems, the following technical scheme is provided: the utility model provides an integration gravity flow filtration equipment for sewage treatment, includes the cell body, its characterized in that: the cell body passes through the baffle to be separated for filtering ponds and product pond, still includes inlet tube, outlet pipe, intake pipe and blow off pipe, be equipped with on the inlet tube respectively with filtering ponds, product pond intercommunication water inlet A and water inlet B, install respectively on water inlet A and the water inlet B and be equipped with water intaking valve A and water intaking valve B, establish fixed filter plate upper strata and lower floor respectively in the filtering ponds through interior, be equipped with the filter layer of packing filter material in the upper strata, be equipped with the flowing water passageway of mutual intercommunication on the baffle between lower floor and the product pond, the intake pipe intercommunication is installed on the pool wall of lower floor and is equipped with the admission valve on it, the position department that lies in the filter layer top on the pool wall of upper strata is installed to the blow off pipe intercommunication and is equipped with the blowoff valve on it, the outlet pipe intercommunication is installed on the pool wall of product pond and is installed on it and is equipped with the drain valve.

The utility model discloses further set up to, the interior wall mounting of filtering ponds is equipped with level sensor.

The utility model discloses further set up to, the cell body is formed by the steel sheet welding.

The utility model discloses further set up as, the filter material is quartz sand or haydite or rigid plastic.

The utility model discloses further set up to, water intaking valve A, water intaking valve B, admission valve, blowoff valve and drain valve are the motorised valve.

The utility model discloses further set up to, integration gravity flow filtration equipment is still including controlling five electric valve switches and being connected with the level sensor electricity in order to carry out the intelligent control system of filtering program and backwash procedure.

The utility model has the advantages that: compared with the prior art, the technical scheme realizes the energy-consumption-free gravity flow filtration of sewage filtration by reasonably arranging the pool body structure and the filter layer, and saves a high-power water inlet pump of the traditional sand filtration tank; the back washing of the filter layer is realized through the ingenious valve arrangement, and a large-flow back washing water pump of the traditional sand filter tank is omitted; the automatic operation of filtration and backwashing is realized through an intelligent control system. The utility model discloses a save investment cost, reduced the operation cost, realized unmanned on duty operation.

The technical scheme is an upgrading substitute of a sand filter tank and other tank type filters, is integrated in a tank body of the integrated sewage treatment equipment, and can be applied without being installed in an equipment room.

Drawings

Fig. 1 is a schematic structural view of an integrated gravity flow filtration apparatus according to an embodiment of the present invention;

the figure shows schematically: 1-a filtering tank; 11-a filter plate; 12-upper layer; 13-lower layer; 14-a filter layer; 141-filter material; 2-producing a water tank; 3-a separator; 31-a water flow channel; 4-water inlet pipe; 41-water inlet A; 42-water inlet B; 43-inlet valve A; 44-inlet valve B; 5-water outlet pipe; 51-a drain valve; 6, an air inlet pipe; 61-an air inlet valve; 7-a sewage draining pipe; 71-a blowdown valve;

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, an integrated gravity flow filtration device for sewage treatment comprises a tank body, the tank body is divided into a filtering tank 1 and a water production tank 2 by a partition plate 3, the device further comprises a water inlet pipe 4, a water outlet pipe 5, an air inlet pipe 6 and a sewage discharge pipe 7, the water inlet pipe 4 is provided with a water inlet a41 and a water inlet B42 which are respectively communicated with the filtering tank 1 and the water production tank 2, the water inlet a41 and the water inlet B42 are respectively provided with a water inlet valve a43 and a water inlet valve B44, the filtering tank 1 is internally provided with a fixed filter plate 11 respectively with an upper layer 12 and a lower layer 13, the upper layer 12 is internally provided with a filter layer 14 filled with filter materials 141, the partition plate 3 between the lower layer 13 and the water production tank 2 is provided with a water flow channel 31 which is mutually communicated, the air inlet pipe 6 is communicated and installed on the tank wall of the lower layer 13 and provided with an air inlet valve 61, the sewage discharge pipe 7 is communicated and installed on the tank wall of the upper layer 12 at a position above the filter layer 14 and provided with a sewage discharge valve 71, the water outlet pipe 5 is communicated with the wall of the water producing pool 2 and is provided with a drain valve 51.

Furthermore, the tank body is formed by welding steel plates. The filter material 141 is quartz sand or ceramsite or rigid plastic or other filter materials. The water inlet valve A43, the water inlet valve B44, the air inlet valve 61, the blowdown valve 71 and the drain valve 51 are all electrically operated valves. And a water level sensor is arranged on the inner tank wall of the filter tank 1. The integrated gravity flow filtering equipment further comprises an intelligent control system which controls five electric valve switches and is electrically connected with the water level sensor so as to perform a filtering program and a backwashing program.

As shown in fig. 1, sewage firstly enters the filtering tank 1, enters from the upper layer 12 of the filtering tank 1, passes through the filtering layer 14 and then enters the lower layer 13 and the water producing tank 2, so as to realize the filtering and storage of the inlet water. The five-way valve is controlled to be opened and closed through an intelligent control system, so that the water inlet is filtered, and the filtering layer 14 is cleaned after being blocked. The specific working process comprises the following steps:

and (3) an inlet water filtering process: the inlet valve a43 and the drain valve 51 are opened first, and the other electric valves are closed. Then sewage enters the filtering tank 1 from the water inlet A41, passes through the sand layer from the upper layer 12 to reach the lower layer 13, suspended matters in the water are intercepted by the sand layer, and the filtered water enters the lower layer 13, then enters the adjacent water producing tank 2 through the water flowing channel 31 and then is discharged through the water discharging valve 51;

and (3) backwashing: when the upper water level in the filter layer 14 reaches a certain height, which indicates that the filter layer 14 is blocked, the water level sensor transmits a signal to the intelligent control system after monitoring, so that the intelligent control system starts a backwashing program, firstly, the drain valve 51 is closed, and the liquid level in the tank rises; then the water inlet valve B44 is opened, the water inlet valve A43 is closed, the air inlet valve 61 and the blow-off valve 71 are opened, the water flow passes from the lower layer 13 to the upper layer 12 and passes through the filter layer 14, the inlet air also forms air-water mixing cleaning with the water flow from the lower layer 13 to the upper layer 12, and then the pollutants blocking the filter layer 14 are flushed out of the filter layer 14 and flow out of the blow-off valve 71, and the filter layer 14 is flushed clean.

The control system comprises: the intelligent control system controls the opening and closing of five electric valves, the water inlet valve A43 and the drain valve 51 are controlled to be opened in the water inlet filtering process, other electric valves are closed, a water level sensor arranged in the filtering tank 1 monitors the blocking condition in the filtering tank 1 in real time, a backwashing program is triggered timely, the drain valve 51 is controlled to be closed when the backwashing program is carried out, the water inlet valve B44 is opened, the water inlet valve A43 is closed, and the air inlet valve 61 and the blow-down valve 71 are opened.

Compared with the prior art, the technical scheme realizes the energy-consumption-free gravity flow filtration of sewage filtration by reasonably arranging the pool body structure and the filter layer, and saves a high-power water inlet pump of the traditional sand filtration tank; the back washing of the filter layer 14 is realized through the ingenious valve arrangement, and a large-flow back washing water pump of the traditional sand filter tank is omitted; the automatic operation of filtration and backwashing is realized through an intelligent control system. The utility model discloses a save investment cost, reduced the operation cost, realized unmanned on duty operation.

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 modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an integration gravity flow filtration equipment for sewage treatment, includes the cell body, its characterized in that: the cell body passes through the baffle to be separated for filtering ponds and product pond, still includes inlet tube, outlet pipe, intake pipe and blow off pipe, be equipped with on the inlet tube respectively with filtering ponds, product pond intercommunication water inlet A and water inlet B, install respectively on water inlet A and the water inlet B and be equipped with water intaking valve A and water intaking valve B, establish fixed filter plate upper strata and lower floor respectively in the filtering ponds through interior, be equipped with the filter layer of packing filter material in the upper strata, be equipped with the flowing water passageway of mutual intercommunication on the baffle between lower floor and the product pond, the intake pipe intercommunication is installed on the pool wall of lower floor and is equipped with the admission valve on it, the position department that lies in the filter layer top on the pool wall of upper strata is installed to the blow off pipe intercommunication and is equipped with the blowoff valve on it, the outlet pipe intercommunication is installed on the pool wall of product pond and is installed on it and is equipped with the drain valve.

2. An integrated gravity flow filtration device for wastewater treatment according to claim 1, wherein: and a water level sensor is arranged on the inner tank wall of the filter tank.

3. An integrated gravity flow filtration device for wastewater treatment according to claim 1 or 2, wherein: the pool body is formed by welding steel plates.

4. An integrated gravity flow filtration device for wastewater treatment according to claim 1, wherein: the filter material is quartz sand or ceramsite or hard plastic.

5. An integrated gravity flow filtration device for wastewater treatment according to claim 1, wherein: the water inlet valve A, the water inlet valve B, the air inlet valve, the blow-down valve and the drain valve are all electrically operated valves.

6. An integrated gravity flow filtration device for wastewater treatment according to claim 5, wherein: the integrated gravity flow filtering equipment further comprises an intelligent control system which controls five electric valve switches and is electrically connected with the water level sensor so as to perform a filtering program and a backwashing program.