CN208980527U - Biochemical wastewater treatment system - Google Patents
Biochemical wastewater treatment system Download PDFInfo
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- CN208980527U CN208980527U CN201821338503.XU CN201821338503U CN208980527U CN 208980527 U CN208980527 U CN 208980527U CN 201821338503 U CN201821338503 U CN 201821338503U CN 208980527 U CN208980527 U CN 208980527U
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- water inlet
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Abstract
The utility model discloses biochemical wastewater treatment systems, including sequentially connected primary sedimentation tank, conditioning tank, hydrolysis acidification pool, oxidation ditch, sedimentation basin, ozone oxidation pond and biological aerated filter, the primary sedimentation tank is connected with water inlet pipe, the water inlet pipe is provided with intake pump, and sewage enters primary sedimentation tank by water inlet pipe.The utility model substantially increases the treatment effect of the biggish sewage of clay content, shortens sewage treatment period, improves the treatment effect of sewage, meets emission request, is a kind of efficient, few, a set of sewage disposal system that can be promoted and applied of land occupation.
Description
Technical field
The utility model relates to biochemical wastewater treatment systems, belong to technical field of sewage.
Background technique
Sewage treatment is the water quality requirement for draining a certain water body to reach sewage or reusing, and carries out only to it
The process of change.Sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink
Etc. every field, also come into the daily life of common people more and more.
Sewage biggish for clay content, currently used method is precipitating, but the low efficiency precipitated, slow effect, etc.
It is long to the period, and take up an area extensively, it is difficult to meet the bewitching gas of sewage load, the speed of sewage treatment does not catch up with the row of sewage much
High-volume.
Utility model content
To solve the above problems, the utility model discloses a kind of biochemical wastewater treatment system, specific skills
Art scheme is as follows:
Biochemical wastewater treatment system, including sequentially connected primary sedimentation tank, conditioning tank, hydrolysis acidification pool, oxidation ditch, precipitating
Pond, ozone oxidation pond and biological aerated filter, the primary sedimentation tank are connected with water inlet pipe, and the water inlet pipe is provided with intake pump, dirty
Water enters primary sedimentation tank by water inlet pipe；
The side inner wall of the primary sedimentation tank is provided with water inlet, and the primary sedimentation tank inner wall of the opposite side of water inlet is provided with water outlet
Mouthful, the first heavy region of corresponding number is divided into the primary sedimentation tank by several partitions, the bottom in each just heavy region is all provided with
It is equipped with sewage draining exit, the height of the partition is successively reduced from water inlet end to water outlet, and partition is parallel to each other, the left and right sides of partition
It is sealed respectively with the corresponding inner wall of primary sedimentation tank, the height of the water outlet of the primary sedimentation tank is lower than most short partition；
The water outlet of the primary sedimentation tank is connected to conditioning tank by pipeline, is provided with delivery pump on the pipeline；
The criss-cross grid of several right-angled intersections is provided in the conditioning tank, grid is fixed on conditioning tank vertically
In；
The influent side of the hydrolysis acidification pool is provided with overflow launder, the discharge outlet of the hydrolysis acidification pool close to upper part,
The discharge outlet of the hydrolysis acidification pool is connected to oxidation ditch by pipeline, and the oxidation ditch is in from outside to inside in several circle screw thread disks
Around channel, turn brush at least provided with one in each channel；
The water outlet of the oxidation ditch is connected to sedimentation basin by pipeline, and the side inner wall of the sedimentation basin is provided with into water
Mouthful, the sedimentation basin inner wall of the opposite side of water inlet is provided with water outlet, is divided into pair in the sedimentation basin by several partitions
The precipitation zone of quantity is answered, the height of the partition is successively reduced from water inlet end to water outlet, and partition is parallel to each other, a left side for partition
Right two sides are sealed with the corresponding inner wall of sedimentation basin respectively, and the height of the water outlet of the sedimentation basin is lower than most short partition；
The water outlet of the sedimentation basin connects ozone oxidation pond, close bottom position in the ozone oxidation pond by pipeline
It is provided with ozone plate, the water outlet in ozone oxidation pond is connected to biological aerated filter by pipeline, and the biological aerated filter is set
It is equipped with delivery pipe.
The sewage draining exit of the bottom in the first heavy region of each of described primary sedimentation tank is provided with mud discharging valve,
The bottom of each precipitation zone of the sedimentation basin is also provided with sewage draining exit, is provided in the mud discharging mouth
Mud discharging valve.
The bottom in each just heavy region and the bottom of each precipitation zone are arranged from surrounding towards discharge outlet
It is sloping.
The oxidation ditch is rounded or run-track shaped.
Described turn is brushed the half that the depth to sink under the water is not less than the depth of water in oxidation ditch.
The ozone plate is fixedly connected with sinking bar, is provided with crotch section at the top of the sinking bar.
The working principle of the utility model is:
The utility model, sewage first pass around primary sedimentation tank and are precipitated, and primary sedimentation tank is divided into several just heavy regions, dirty
Water can only overflow to next primary sedimentation tank at the top of partition, allow the water that upper layer is less containing mud, and it is next just heavy to be first into
Region until be discharged away, and allows the biggish sewage of clay content not portion in each just heavy region, sufficiently precipitates, and not
Whole first heavy efficiency is influenced, the sludge after precipitating slowly slides to mud discharging mouth on the slope, is finally discharged away.
After sewage enters conditioning tank, by the filtration and buffer function of grid, the speed for allowing sewage more to mitigate
Hydrolysis acidification pool is entered, sewage is first into the overflow launder of hydrolysis acidification pool, and then overflow enters hydrolysis acidification pool, mentions
High whole system mitigates the organic loading of aerobic system to the removal effect of organic matter and suspended matter, makes the energy consumption of whole system
It is greatly lowered compared to aerobic system is used alone.
Oxidation ditch aeration handles the sludge in sewage, convenient for further precipitating.Sludge is again introduced into sedimentation basin, sedimentation basin
Structure is consistent with primary sedimentation tank with principle, and the supernatant after precipitating passes through ozone oxidation pond, after ozone oxidation, gives birth to by aeration
Object filter tank is further gone to decontaminate.
The beneficial effects of the utility model are:
The utility model substantially increases the treatment effect of the biggish sewage of clay content, shortens sewage treatment period, mentions
The high treatment effect of sewage, meets emission request, be it is a kind of it is efficient, land occupation is few, at a set of sewage that can be promoted and applied
Reason system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the structural schematic diagram of the primary sedimentation tank of the utility model,
Fig. 3 is the top view of the conditioning tank of the utility model,
Reference signs list: 1-primary sedimentation tank, 2-primary sedimentation tank water inlets, 3-partitions, 4-just sink region, 5-sewage draining exits,
6-primary sedimentation tank water outlets, 7-conditioning tanks, 8-grids, 9-conditioning tank water inlets, 10-conditioning tank water outlets.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate.It should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
Fig. 1 is the structural schematic diagram of the utility model, in conjunction with attached drawing as it can be seen that this biochemical wastewater treatment system, including successively
Primary sedimentation tank, conditioning tank, hydrolysis acidification pool, oxidation ditch, sedimentation basin, ozone oxidation pond and the biological aerated filter of connection, it is described first
Heavy pond is connected with water inlet pipe, and the water inlet pipe is provided with intake pump, and sewage enters primary sedimentation tank by water inlet pipe；The utility model
Sewage successively passes through at primary sedimentation tank, conditioning tank, hydrolysis acidification pool, oxidation ditch, sedimentation basin, ozone oxidation pond and biological aerated filter
After reason, reaches emission request, finally emit.The quantity for using equipment is maximumlly reduced, equipment is maximumlly utilized
Efficiency.
In conjunction with Fig. 2, the side inner wall of the primary sedimentation tank 1 is provided with water inlet, and the first of the opposite side of primary sedimentation tank water inlet 2 is sunk
Pond inner wall is provided with water outlet, is divided into the first heavy region 4 of corresponding number in the primary sedimentation tank by several partitions 3, each
Just the bottom in heavy region 4 is provided with sewage draining exit 5, and the height of the partition 3 is successively reduced from water inlet end to water outlet, partition 3
It is parallel to each other, the left and right sides of partition 3 is sealed with the corresponding inner wall of primary sedimentation tank 1 respectively, and the height of the primary sedimentation tank water outlet 6 is low
In most short partition 3.Sewage classification repeatedly by each just heavy regional subsidence, can settle more bulky grain sludge.Sedimentation
Effect is good.
The primary sedimentation tank water outlet 6 is connected to conditioning tank by pipeline, is provided with delivery pump on the pipeline；Pass through conveying
Pump improves transfer efficiency.
In conjunction with Fig. 3, the criss-cross grid 8 of several right-angled intersections is provided in the conditioning tank 7, grid 8 is vertical
It is fixed in conditioning tank 7；One group of relative edge's chalk of conditioning tank 7 and be provided with conditioning tank water inlet 9 and conditioning tank water outlet
10, the conditioning tank water inlet 9 is connect with primary sedimentation tank water outlet 6, the conditioning tank water outlet 10 and hydrolysis acidification pool water inlet
Connection.By the grid 8 of right-angled intersection, buffered water flows in conditioning tank, meanwhile, the granule foreign in filter sewage.
The influent side of the hydrolysis acidification pool is provided with overflow launder, the discharge outlet of the hydrolysis acidification pool close to upper part,
The discharge outlet of the hydrolysis acidification pool is connected to oxidation ditch by pipeline, and the oxidation ditch is in from outside to inside in several circle screw thread disks
Around channel, turn brush at least provided with one in each channel.Described turn is brushed the depth to sink under the water not less than water in oxidation ditch
Deep half.By the multiple channels of spiral, extend the path that flows through of sewage, increases the reaction time.Increased in water by turning brush
Oxygen content.The purpose of hydrolysis of the hydrolysis acidification in aerobic biological treatment process mainly has the non-solubility in original waste water
Machine object is changed into dissolved organic matter, and the organic matter of wherein difficult for biological degradation is mainly changed into the organic matter of easily biological-degradable,
The biodegradability for improving waste water, the pH value for reducing sewage reduces sludge yield, in favor of subsequent Aerobic Process for Treatment.It removes in waste water
COD, partial organic substances degradation synthesis own cells.The purpose of hydrolysis acidification in mixing anaerobic digestion process is for mixing
The methane fermentation of anaerobic digestion process provides substrate.And the production acid in two-phase anaerobic digestion technique is mutually in digesting mixing anaerobic
Production acid mutually and methanogenic phase separate.Therefore setting hydrolysis acidification pool can be improved whole system and go to organic matter and suspended matter
Except effect, mitigate the organic loading of aerobic system, is greatly lowered the energy consumption of whole system compared to aerobic system is used alone.
The oxidation ditch is rounded or run-track shaped.The water outlet of the oxidation ditch is connected to sedimentation basin by pipeline, institute
The side inner wall for stating sedimentation basin is provided with water inlet, and the sedimentation basin inner wall of the opposite side of water inlet is provided with water outlet, described heavy
Be divided into the precipitation zone of corresponding number in the pond of shallow lake by several partitions, the height of the partition from water inlet end to water outlet according to
Secondary reduction, partition are parallel to each other, and the left and right sides of partition is sealed with the corresponding inner wall of sedimentation basin respectively, the water outlet of the sedimentation basin
The height of mouth is lower than most short partition；The structure and function of sedimentation basin is similar to primary sedimentation tank.In the settling tank of same volume, mention
High settling efficiency reduces Industrial Waste Water Treatments land used.
The water outlet of the sedimentation basin connects ozone oxidation pond, close bottom position in the ozone oxidation pond by pipeline
It is provided with ozone plate, the water outlet in ozone oxidation pond is connected to biological aerated filter by pipeline, and the biological aerated filter is set
It is equipped with delivery pipe.Biological aerated filter is decomposed organic dirt in sewage by the principle of biological decomposition.
The sewage draining exit of the bottom in the first heavy region of each of described primary sedimentation tank is provided with mud discharging valve, passes through mud discharging
Valve, the switch of control of sewage disposal mouth.
The bottom of each precipitation zone of the sedimentation basin is also provided with sewage draining exit, is provided in the mud discharging mouth
Mud discharging valve.
The bottom in each just heavy region and the bottom of each precipitation zone are arranged from surrounding towards discharge outlet
It is sloping.Sludge conflux is convenient on slope, and sludge is allowed to be deposited in above sewage draining exit as far as possible.
The ozone plate is fixedly connected with sinking bar, is provided with crotch section at the top of the sinking bar.It will by sinking bar
Ozone plate is fixed, and when ozone plate is fixed in ozone oxidation pond, crotch section and the side wall in ozone oxidation pond are fixed, and works as needs
When taking out ozone plate, crotch section at the top of crotch section of directly taking is easy to operate.
Technological means disclosed in the utility model is not limited to the technical means disclosed in the above technical means, also
Including technical solution consisting of any combination of the above technical features.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. biochemical wastewater treatment system, it is characterised in that including sequentially connected primary sedimentation tank, conditioning tank, hydrolysis acidification pool, oxidation
Ditch, sedimentation basin, ozone oxidation pond and biological aerated filter, the primary sedimentation tank are connected with water inlet pipe, the water inlet pipe be provided with into
Water pump, sewage enter primary sedimentation tank by water inlet pipe；
The side inner wall of the primary sedimentation tank is provided with water inlet, and the primary sedimentation tank inner wall of the opposite side of water inlet is provided with water outlet,
The first heavy region of corresponding number is divided into the primary sedimentation tank by several partitions, the bottom in each just heavy region is provided with
The height of sewage draining exit, the partition is successively reduced from water inlet end to water outlet, and partition is parallel to each other, the left and right sides difference of partition
It is sealed with the corresponding inner wall of primary sedimentation tank, the height of the water outlet of the primary sedimentation tank is lower than most short partition；
The water outlet of the primary sedimentation tank is connected to conditioning tank by pipeline, is provided with delivery pump on the pipeline；
The criss-cross grid of several right-angled intersections is provided in the conditioning tank, grid is fixed in conditioning tank vertically；
The influent side of the hydrolysis acidification pool is provided with overflow launder, and the discharge outlet of the hydrolysis acidification pool is described close to upper part
The discharge outlet of hydrolysis acidification pool is connected to oxidation ditch by pipeline, and the oxidation ditch is in from outside to inside in several circle screw thread coilings
Channel turns brush at least provided with one in each channel；
The water outlet of the oxidation ditch is connected to sedimentation basin by pipeline, and the side inner wall of the sedimentation basin is provided with water inlet,
The sedimentation basin inner wall of the opposite side of water inlet is provided with water outlet, and the sedimentation basin is interior to be divided into corresponding number by several partitions
The height of the precipitation zone of amount, the partition is successively reduced from water inlet end to water outlet, and partition is parallel to each other, the left and right two of partition
Side is sealed with the corresponding inner wall of sedimentation basin respectively, and the height of the water outlet of the sedimentation basin is lower than most short partition；
The water outlet of the sedimentation basin connects ozone oxidation pond by pipeline, is arranged in the ozone oxidation pond close to bottom position
There is ozone plate, the water outlet in ozone oxidation pond is connected to biological aerated filter by pipeline, and the biological aerated filter is provided with
Delivery pipe.
2. biochemical wastewater treatment system according to claim 1, it is characterised in that the first heavy region of each of described primary sedimentation tank
The sewage draining exit of bottom be provided with mud discharging valve,
The bottom of each precipitation zone of the sedimentation basin is also provided with sewage draining exit, is provided with sludge in the mud discharging mouth
Drain valve.
3. biochemical wastewater treatment system according to claim 2, it is characterised in that the bottom in each just heavy region and
The bottom of each precipitation zone is arranged from surrounding towards discharge outlet sloping.
4. biochemical wastewater treatment system according to claim 1, it is characterised in that the oxidation ditch is rounded or track type
Shape.
5. biochemical wastewater treatment system according to claim 1, it is characterised in that described turn is brushed the depth to sink under the water not
Lower than the half of the depth of water in oxidation ditch.
6. biochemical wastewater treatment system according to claim 1, it is characterised in that the ozone plate is fixedly connected with sinking
Bar is provided with crotch section at the top of the sinking bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821338503.XU CN208980527U (en) | 2018-08-17 | 2018-08-17 | Biochemical wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821338503.XU CN208980527U (en) | 2018-08-17 | 2018-08-17 | Biochemical wastewater treatment system |
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| Publication Number | Publication Date |
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| CN208980527U true CN208980527U (en) | 2019-06-14 |
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ID=66781853
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821338503.XU Active CN208980527U (en) | 2018-08-17 | 2018-08-17 | Biochemical wastewater treatment system |
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| CN (1) | CN208980527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392976A (en) * | 2020-04-13 | 2020-07-10 | 湖南富民环保建设有限公司 | Organic wastewater and sewage treatment equipment and sewage treatment method |
-
2018
- 2018-08-17 CN CN201821338503.XU patent/CN208980527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392976A (en) * | 2020-04-13 | 2020-07-10 | 湖南富民环保建设有限公司 | Organic wastewater and sewage treatment equipment and sewage treatment method |
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