CN212151867U

CN212151867U - Sewage advanced treatment system

Info

Publication number: CN212151867U
Application number: CN202020289442.3U
Authority: CN
Inventors: 李建峰; 陈腾
Original assignee: Inner Mongolia Yaxinlong Shunde Steel Co ltd
Current assignee: Inner Mongolia Yaxinlong Shunde Steel Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-12-15
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a sewage advanced treatment system, thereby mainly solve the sewage treatment that exists among the prior art and have water after partly handling not to reach the secondary water standard and discharge the problem of wasting water resource. This system is including the sewage collecting pit that is used for collecting the factory production to produce waste water, the sewage buffer pool with sewage collecting pit upper portion intercommunication, the chemical reaction pond with sewage buffer pool upper portion intercommunication, the pipe chute sedimentation tank with chemical reaction pond upper portion intercommunication, simultaneously with the sewage buffer pool, chemical reaction pond and pipe chute sedimentation tank bottom intercommunication are used for collecting and the sludge treatment device who handles mud, through pipeline and pipe chute sedimentation tank upper portion intercommunication and realize multi-stage filtration's filter equipment, and intake the end and pass through the pipeline and be connected with the filter equipment middle part, go out the reverse osmosis unit of water end and workshop circulation water pipeline intercommunication. By the proposal, the utility model discloses reach the purpose of waste water zero release, had very high practical value and spreading value.

Description

Sewage advanced treatment system

Technical Field

The utility model belongs to the technical field of sewage treatment, specifically say, relate to a sewage advanced treatment system.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The sewage treatment is generally classified into production sewage treatment and domestic sewage treatment according to the classification of sewage sources. The production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like, and the domestic sewage is sewage generated in daily life and refers to complex mixtures of various forms of inorganic matters and organic matters. There are two types of water pollution, based on the nature of the water pollution: one is natural pollution; the other is artificial pollution, and the current water body is greatly damaged by the artificial pollution. The methods for treating sewage are various, and can be generally classified into physical methods, chemical methods, biological methods and the like. But the sewage treatment cost and energy consumption are basically high energy consumption and low efficiency.

With the development of science and technology, the direct utilization of sewage becomes possible, and the sewage source heat pump system is used for utilizing the primary sewage. The raw sewage is directly discharged into untreated domestic or industrial wastewater in cities, and the utilization method at the present stage is that the raw sewage directly enters a sewage source heat pump system for heat exchange, so that the urban buildings are cooled and heated indoors under the condition of consuming a small amount of electric power. But there is a problem that: the treated sewage cannot reach the standard due to treatment, and a part of the treated sewage cannot be reused, and under the condition of current water resource shortage, the sewage treatment scheme is still to be perfected, so how to realize zero discharge of sewage treatment and complete utilization for secondary utilization are technical problems to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage advanced treatment system, thereby mainly solve the sewage treatment that exists among the prior art and have water after partly handling not reach the secondary water standard and discharge the problem of wasting water resource.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a sewage deep treatment system, including the sewage collecting pit that is arranged in collecting factory production to produce waste water, waste water carries out the sewage buffer pool that cushions the sediment in communicating and the sewage collecting pit through pipeline and sewage collecting pit upper portion, through the chemical reaction pond of pipeline and sewage buffer pool upper portion intercommunication, through the pipe chute sedimentation tank of pipeline and chemical reaction pond upper portion intercommunication, simultaneously with the sewage buffer pool through the pipeline, chemical reaction pond and pipe chute sedimentation tank bottom intercommunication are used for collecting and handling the sludge processing apparatus of mud, through pipeline and pipe chute sedimentation tank upper portion intercommunication and realize multi-stage filtration's filter equipment, and the end of intaking passes through the pipeline and is connected with the filter equipment middle part, go out the reverse osmosis unit that water pipeline intercommunication is used with the workshop circulation to the water outlet end.

Further, chemical reagents PAM or PAC are added into the chemical reaction tank to enable suspended matters and colloids in the sewage to form large-particle floccules so as to be convenient for separation through the inclined tube sedimentation tank.

Further, sludge treatment equipment includes through the sludge impoundment that communicates with sewage buffer pool, chemical reaction pond and pipe chute sedimentation tank bottom simultaneously, through pipeline and sludge impoundment bottom intercommunication and to mud realize extrusion, the fashioned plate and frame filter press of stoving.

Further, the filtering device comprises a quartz sand filtering tank, a multi-medium filtering tank and an ultra-filtering tank which are sequentially communicated through a pipeline, wherein the quartz sand filtering tank is communicated with the middle part of the inclined tube sedimentation tank through a pipeline.

Specifically, the reverse osmosis device comprises a reverse osmosis device, a concentrated water tank and a concentrated water reverse osmosis device, wherein the water inlet end of the reverse osmosis device is communicated with the middle part of the ultrafiltration tank through a pipeline, the water outlet end of the reverse osmosis device is communicated with a production workshop circulating water pipeline, the concentrated water tank is communicated with the reverse osmosis device through a pipeline, the water inlet end of the reverse osmosis device is communicated with the concentrated water tank through a pipeline, one end of the water outlet end of the reverse osmosis device is communicated with the production workshop circulating water pipeline, and the other end of the water.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a redesign a sewage buffer pool by sewage collecting tank to directly arrange into the chemical reaction pond with the waste water in the sewage collecting tank in, design sewage buffer pool is for better settling sewage for the waste water that gets into in the chemical reaction pond can be better reacts with chemical reagent, thereby has improved chemical reaction efficiency. Because thereby add chemical reagent and carry out preliminary treatment (thoughtlessly congeal, aeration) to waste water in the chemical reaction pond, make suspended solid and colloid form the large granule flocculating constituent in the waste water through thoughtlessly congealing aeration, then separate through the pipe chute sedimentation tank, then realize multistage filtration through filter equipment, the water after the filtration carries out final processing through reverse osmosis unit to make waste water all reach secondary standard of use, reach the waste water zero release. And the mud, dregs etc. that the mud processing apparatus who sets up produced after to deposit or the reaction handle the back outward transport, the fine separation of having realized liquid and solid of sewage treatment of this application to the treatment effeciency has been improved.

(2) The utility model discloses thereby when plate and frame filter press among the sludge treatment equipment mud in the sludge impoundment entered into the organism in, extrude, the shaping of drying forms the mud cake, and the mud cake of formation is conveniently accomodate and is also conveniently carried simultaneously.

(3) The utility model discloses a filter equipment begins to filter the large granule impurity in the waste water that gets into from the pipe chute sedimentation tank through quartz sand filtering ponds, then the water after first-stage filtration gets into during the multi-media filtering ponds, the second grade is filtered and is utilized the impurity that the granule filter material held back in the water, further reduce the turbidity of water, the water after qualified enters into the super filter and carries out the tertiary filtration, water after through the super filter degree of depth filtration gets into reverse osmosis unit and carries out reverse osmosis advanced treatment, thereby discharge out the water that accords with the reutilization standard.

Drawings

Fig. 1 is a schematic diagram of the system structure of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-a sewage collecting tank, 2-a sewage buffer tank, 3-a chemical reaction tank, 4-an inclined tube sedimentation tank, 5-a sludge tank, 6-a plate and frame filter press, 7-a quartz sand filter tank, 8-a multi-medium filter tank, 9-an ultra filter tank, 10-a reverse osmosis device, 11-a concentrated water tank and 12-a concentrated water reverse osmosis device.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples.

Examples

As shown in figure 1, a sewage advanced treatment system, including the sewage collecting tank 1 that is used for collecting the factory production waste water, through pipeline and sewage collecting tank 1 upper portion intercommunication and sewage collecting tank 1 waste water carry out the sewage buffer pool 2 that the buffering deposites, through the chemical reaction pond 3 of pipeline and 2 upper portions intercommunication of sewage buffer pool, through the pipe chute sedimentation tank 4 of pipeline and 3 upper portion intercommunications of chemical reaction pond, through the pipeline simultaneously with sewage buffer pool 2, chemical reaction pond 3 and the sludge treatment device of 4 bottoms intercommunications of pipe chute sedimentation tank and being used for collecting and handling mud, through pipeline and 4 upper portion intercommunications of pipe chute sedimentation tank and realizing multi-stage filtration's filter equipment, and the end of intaking is connected through pipeline and filter equipment middle part, the reverse osmosis unit of water pipeline intercommunication is used with the workshop circulation to the water outlet end.

The respective reaction cells were arranged in the positional relationship as shown in FIG. 1. The waste water that will produce the equipment passes through in the pipeline inserts sewage collecting pit 1, then enter into sewage buffer pool 2 through the pipeline after waste water reaches the take the altitude and deposit, the pipeline that mud after the sediment passes through the bottom intercommunication gets into sludge impoundment 5 in, upper wastewater passes through the pipeline and enters into chemical tank 3, realize the preliminary treatment through adding chemical reagent PAM Hu PAC, the flocculating constituent that produces through the preliminary treatment deposits in the bottom of chemical reaction pond 3, and the pipeline that sets up through the bottom discharges into sludge impoundment 5. Carry out the upper liquid after the preliminary treatment and enter into in the pipe chute sedimentation tank 4 and carry out the pipe chute and deposit, the impurity after the sediment enters into the sludge impoundment through the pipeline of bottom and 5 intercommunications in the sludge impoundment, then the water after the sediment carries out first order filtration through quartz sand filtering ponds 7, the water through first order filtration enters into multi-media filter tank 8 and carries out the secondary filtration, utilize inside granular filter material to hold back impurity in the water, thereby reduce the turbidity of water, qualified water enters super filter tank 9 and carries out the tertiary filtration, thereby realize depth filtering. And the water body after deep filtration enters reverse osmosis equipment consisting of reverse osmosis equipment 10, a concentrated water pool 11 and concentrated water reverse osmosis equipment 12 for reverse osmosis deep treatment to produce secondary water meeting the standard.

Wherein the standard is that the hardness is less than or equal to 30mg/L, the chloride ion is less than or equal to 250mg/L, the total alkalinity is less than or equal to 60mg/L, the turbidity is less than or equal to 3mg/L, the conductivity is less than or equal to 1500us/cm, and the PH is controlled to be 6.5-7.2. And all be equipped with the valve on every pipeline with sludge impoundment 5 intercommunication, every pipeline can also confirm whether the water body is intake and is held the configuration power pump and provide power according to the position height simultaneously. It should be noted that the plate-and-frame filter press, the reverse osmosis equipment and the concentrated water reverse osmosis equipment are all the existing products, and therefore, detailed description of the specific working principle is omitted in the present application.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not a limitation to the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis should belong to the protection scope of the present invention.

Claims

1. An advanced wastewater treatment system is characterized by comprising a wastewater collection tank (1) for collecting wastewater generated in factory production, a sewage buffer tank (2) which is communicated with the upper part of the sewage collecting tank (1) through a pipeline and is used for buffering and precipitating the wastewater in the sewage collecting tank (1), a chemical reaction tank (3) communicated with the upper part of the sewage buffer tank (2) through a pipeline, an inclined tube sedimentation tank (4) communicated with the upper part of the chemical reaction tank (3) through a pipeline, a sludge treatment device which is communicated with the sewage buffer tank (2), the chemical reaction tank (3) and the bottom of the inclined tube sedimentation tank (4) through pipelines and is used for collecting and treating sludge, a filtering device which is communicated with the upper part of the inclined tube sedimentation tank (4) through a pipeline and realizes multi-stage filtration, and the reverse osmosis device is connected with the middle part of the filtering device at the water inlet end through a pipeline, and is communicated with a water circulating pipeline for a production workshop at the water outlet end.

2. The advanced wastewater treatment system according to claim 1, wherein the chemical reaction tank (3) is added with a chemical reagent PAM or PAC to form large particle flocs from suspended matters and colloids in wastewater so as to facilitate separation by the inclined tube sedimentation tank (4).

3. The advanced wastewater treatment system according to claim 2, wherein the sludge treatment device comprises a sludge tank (5) which is communicated with the bottoms of the wastewater buffer tank (2), the chemical reaction tank (3) and the inclined tube sedimentation tank (4) at the same time, and a plate-and-frame filter press (6) which is communicated with the bottom of the sludge tank (5) through a pipeline and used for extruding and drying sludge.

4. The advanced wastewater treatment system according to claim 3, wherein the filtering device comprises a quartz sand filtering tank (7), a multi-medium filtering tank (8) and an ultrafiltration tank (9) which are sequentially communicated through a pipeline, wherein the quartz sand filtering tank (7) is communicated with the middle part of the inclined tube sedimentation tank (4) through a pipeline.

5. The advanced wastewater treatment system according to claim 4, wherein the reverse osmosis device comprises a reverse osmosis device (10) having a water inlet end communicated with the middle of the ultrafiltration tank (9) through a pipeline and a water outlet end communicated with a pipeline for circulation in a production workshop, a concentrate tank (11) communicated with the reverse osmosis device (10) through a pipeline, and a concentrate reverse osmosis device (12) having a water inlet end communicated with the concentrate tank (11) through a pipeline, a water outlet end communicated with the pipeline for circulation in the production workshop and a water outlet end for discharging dregs.