CN207748995U - Wastewater treatment equipment - Google Patents
Wastewater treatment equipment Download PDFInfo
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- CN207748995U CN207748995U CN201721626585.3U CN201721626585U CN207748995U CN 207748995 U CN207748995 U CN 207748995U CN 201721626585 U CN201721626585 U CN 201721626585U CN 207748995 U CN207748995 U CN 207748995U
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Abstract
The utility model discloses a kind of wastewater treatment equipments, including：There is waterwater entrance and wastewater outlet, waterwater entrance to be connected with the water inlet pipe for conveying the waste water containing heavy metal for settling vessel, settling vessel；There are inlet and outlet, water inlet to be connected with wastewater outlet by connecting tube for anaerobic reactor for sulfate radical to be restored to sulphidisation, anaerobic reactor, and water outlet is connected with outlet pipe；Return duct, return duct are connected with water inlet pipe and outlet pipe respectively.Have many advantages, such as that operating cost is low while efficiently removing removing heavy metals and sulfate radical according to the wastewater treatment equipment of the utility model embodiment.
Description
Technical field
The utility model is related to environmental technology fields, and specifically, the utility model is related to a kind of wastewater treatment equipments.
Background technology
Waste water treatment system in the related technology, in waste water when heavy metal containing higher concentration, generally use
The method for adding a large amount of coagulant and precipitating reagent forms heavy metal precipitation and is removed, and there are processing costs for this processing method
Height easy tos produce the problem of secondary pollution.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
Go out a kind of wastewater treatment equipment, the wastewater treatment equipment has many advantages, such as that operating cost is low, goes removing heavy metals effect good.
Include according to the wastewater treatment equipment of the utility model embodiment：Settling vessel, the settling vessel have waterwater entrance
And wastewater outlet, the waterwater entrance are connected with the water inlet pipe for conveying the waste water containing heavy metal；For by sulfate radical also
There are inlet and outlet, the water inlet to pass through connecting tube for the anaerobic reactor of former sulphidisation, the anaerobic reactor
It is connected with the wastewater outlet, the water outlet is connected with outlet pipe；Return duct, the return duct respectively with the water inlet pipe and
The outlet pipe is connected.
According to the wastewater treatment equipment of the utility model embodiment have operating cost it is low and meanwhile efficiently go removing heavy metals and
The advantages that sulfate radical.
In addition, can also have following additional technical characteristic according to the wastewater treatment equipment of the utility model embodiment：
One embodiment according to the present utility model, the connecting tube adds mouth equipped with carbon source and/or sulfate adds
Mouth and/or nutrient add mouth.
One embodiment according to the present utility model, the settling vessel have the flocculation basin and sedimentation basin to communicate with each other, institute
State that waterwater entrance is connected to the flocculation basin and the wastewater outlet is connected to the sedimentation basin.
One embodiment according to the present utility model, the flocculation basin are equipped with stirring gas entrance；And/or the flocculation
Blender is equipped in pond.
One embodiment according to the present utility model, the flocculation basin add mouth equipped with polymer；And/or the water inlet
Pipe is equipped with coagulant dosage mouth and the coagulant dosage mouth is between the return duct and the waterwater entrance.
One embodiment according to the present utility model, the sedimentation basin are connected with mud discharging pipe, the mud discharging pipe
On be connected with sludge pump.
One embodiment according to the present utility model, the anaerobic reactor include：Tank body, the water inlet are located at described
On tank body, the tank body is additionally provided with pneumostome；Three phase separator, the three phase separator are located in the tank body, the water outlet
Mouth is located on the three phase separator.
One embodiment according to the present utility model, the anaerobic reactor further include：Water distributor, the water distributor are located at
Bottom in the tank body and positioned at the tank body, the water distributor are connected to by the water inlet with the connecting tube.
The additional aspect and advantage of utility model utility model the utility model will be set forth in part in the description, portion
Divide and will become apparent from the description below, or is recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram according to the wastewater treatment equipment of the utility model embodiment.
Reference numeral：
Wastewater treatment equipment 100；
Settling vessel 10；Flocculation basin 11；Waterwater entrance 111；Blender 112；Polymer adds mouth 113；Coagulant dosage mouth
114；Sedimentation basin 12；Wastewater outlet 121；Mud discharging pipe 122；
Anaerobic reactor 20；Tank body 21；Water inlet 211；Pneumostome 212；Three phase separator 22；Water outlet 221；Water distributor
23；
Return duct 30；Water inlet pipe 31；Connecting tube 32；Carbon source adds mouth 321；Sulfate adds mouth 322；Nutrient adds
Mouth 323；Outlet pipe 33.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "upper", "lower", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality
With novel and simplified description, does not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, defining the spy of " first ", " second "
Sign can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1 descriptions according to the wastewater treatment equipment 100 of the utility model embodiment.
Include according to the wastewater treatment equipment 100 of the utility model embodiment：Settling vessel 10, anaerobic reactor 20 and reflux
Pipe 30.
Wherein, settling vessel 10 has waterwater entrance 111 and wastewater outlet 121, and waterwater entrance 111 is connected with to be contained for conveying
There are the water inlet pipe 31 of the waste water of heavy metal, anaerobic reactor 20 to be used to sulfate radical restoring sulphidisation, anaerobic reactor 20 has
There are water inlet 211 and water outlet 221, water inlet 211 to be connected with wastewater outlet 121 by connecting tube 32, the water outlet 121 that gives up connects
There are outlet pipe 33, return duct 30 to be connected respectively with water inlet pipe 31 and outlet pipe 33.
Specifically, the waste water containing sulfide and heavy metal enters settling vessel 10 by waterwater entrance 111, settling vessel 10 will
Heavy metal precipitation in waste water gets off, and is separated with waste water, and then waste water is flowed out by wastewater outlet 121 and entered by connecting tube 32
Anaerobic reactor 20, under conditions of anaerobic condition and carbon source restore, sulfate radical is reduced into sulfide, and waste water is by water outlet
221 discharges, effluent part are back to settling vessel 10 by return duct 30.If original sulfate concentration is insufficient in water body, Ke Yitong
Persulfate adds mouth 322 and adds sulfate radical.
According to the wastewater treatment equipment 100 of the utility model embodiment, precipitated by being arranged in 20 front end of anaerobic reactor
Device 10, under conditions of anaerobic condition and carbon source in anaerobic reactor 20 restore, sulfate radical is reduced into sulfide, due to carbon
Source comes from waste water, need not add additional carbon source, therefore the operating cost of wastewater treatment equipment 100 is low.Furthermore sulfate radical is also
After former sulphidisation, settling vessel 10 is back to by return duct 30, heavy metal is deposited and separates, and significantly reduces to enter and detest
The concentration of the heavy metal of oxygen reactor 20, to reduce the toxicity to microorganism in anaerobic reactor 20, meanwhile, by reflux
Waste water after the reflux of pipe 30 reduces the concentration of the sulfate radical into anaerobic reactor 20, thereby reduces in anaerobic reactor 20
It is reduced into the concentration of sulfide, to eliminate the toxicity to microorganism so that entire microbial reaction is carried out.This
Outside, noble metal sulphide recoverable creates surcharge.
Therefore, according to the wastewater treatment equipment of the utility model embodiment 100 have operating cost is low, go sulfate radical and
The advantages that effect of heavy metal is good.
Below with reference to the accompanying drawings wastewater treatment equipment 100 according to the utility model specific embodiment is described.
In some embodiments of the utility model, connecting tube 32 adds mouth 321 equipped with carbon source and/or sulfate adds
Mouth 322 and/or nutrient add mouth 323.That is, mouth 321 can be added equipped with carbon source, sulfate adds in connecting tube 32
Mouth 322 and nutrient add one or two of mouth 323, can also add mouth 321 equipped with carbon source simultaneously, sulfate adds
Mouth 322 and nutrient add mouth 323.As shown in Figure 1, adding mouth 321 equipped with carbon source simultaneously in connecting tube 32, sulfate adds
Mouthfuls 322 and nutrient add mouth 323, meet carbon source in anaerobic reactor 20 needed for microbial reaction, sulfate as a result,
Enough requirements with nutrient, the effect of microbial reaction is more preferable, more efficient.
In one embodiment of the utility model, as shown in Figure 1, settling vessel 10 has 11 He of flocculation basin to communicate with each other
Sedimentation basin 12, waterwater entrance 111 are connected to flocculation basin 11, and wastewater outlet 121 is connected to sedimentation basin 12.
Specifically, flocculation basin 11 and sedimentation basin 12 are arranged in order along the direction that waste water circulates, and waterwater entrance 111 is located at flocculation
On pond 11, wastewater outlet 121 is located on sedimentation basin 12, and waste water enters flocculation basin 11, the heavy metal in waste water by waterwater entrance 111
Solid matter is formed after flocculation in flocculation basin 11, sedimentation basin 12 is then flowed into and carries out precipitation, detached by precipitation
Waste water afterwards enters anaerobic reactor 20, considerably reduces the content of heavy metal in waste water.
Further, flocculation basin 11, which is equipped in stirring gas entrance and/or the flocculation basin, is equipped with blender 112.
That is stirring gas entrance can be equipped on flocculation basin 11, it can also be equipped with blender 112 on flocculation basin 11, gone back on flocculation basin 11
It can be equipped with stirring gas entrance and blender 112 simultaneously.In specific embodiment shown in Fig. 1, flocculation basin 11 is equipped with stirring
Machine 112, during waste water carries out flocculated in flocculation basin 11, blender 112 stirs waste water, it is possible thereby to accelerate to wad a quilt with cotton
The efficiency of solidifying reaction.
One embodiment according to the present utility model, flocculation basin 11 add mouth 113 and/or water inlet pipe 31 equipped with polymer
It is equipped with coagulant dosage mouth 114, and coagulant dosage mouth 114 is between return duct 30 and waterwater entrance 111.Namely
Say, flocculation basin 11 equipped with polymer add mouth 113 either water inlet pipe 31 be equipped with coagulant dosage mouth 114 or flocculation basin
11 equipped with polymer add mouth 113 simultaneously water inlet pipe 31 be equipped with coagulant dosage mouth 114.As shown in Figure 1, being set on flocculation basin
There is polymer to add mouth 113, water inlet pipe 31 is equipped with coagulant dosage mouth 114, and coagulant can be added by coagulant dosage mouth 114
To flocculation basin 11, polymer can be added mouth 113 by polymer and is added in water inlet pipe 31, subsequently into flocculation basin 11.By
This can further speed up the efficiency of the flocculation reaction in flocculation basin 11.
In one embodiment of the utility model, sedimentation basin 12 is connected with mud discharging pipe 122, mud discharging pipe 122
On be connected with sludge pump.The heavy metal compound of 12 bottom precipitation of sedimentation basin and sludge can be passed through mud discharging pipe by sludge pump
122 are pumped out.
One embodiment according to the present utility model, as shown in Figure 1, anaerobic reactor 20 includes：Tank body 21 and three-phase separate
From device 22.
Wherein, tank body 21 is equipped with water inlet 211, and tank body 21 is additionally provided with pneumostome 212, and three phase separator 22 is located at tank body
In 21, water outlet 221 is located on three phase separator 22.Specifically, waste water enters tank body 21, three phase separator by water inlet 211
22 can separate water, gas and solid three-phase material, and after the impurity such as gas and sludge in waste water are separated, waste water is by being discharged
Mouth 221 is discharged.
In one embodiment of the utility model, as shown in Figure 1, anaerobic reactor 20 further includes：Water distributor 23.Water distribution
Device 23 is located at the bottom in tank body 21 and positioned at tank body 21, and water distributor 23 is connected to by water inlet 211 with connecting tube 32.Specifically
Ground, water distributor 23 are connected to water inlet 211, and water distributor 23 is arranged adjacent to 21 inner bottom surface of tank body, and water distributor 23 will be by water inlet 211
The waste water of entrance is evenly dispersed in tank body 21, so that waste water comes into full contact with microorganism, improves reaction effect.
It is common for this field according to other compositions of the wastewater treatment equipment 100 of the utility model embodiment and operation
All it is known for technical staff, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (8)
1. a kind of wastewater treatment equipment, which is characterized in that including：
There is waterwater entrance and wastewater outlet, the waterwater entrance to be connected with for conveying containing weight for settling vessel, the settling vessel
The water inlet pipe of the waste water of metal；
Anaerobic reactor for sulfate radical to be restored to sulphidisation, the anaerobic reactor have inlet and outlet, institute
It states water inlet by connecting tube to be connected with the wastewater outlet, the water outlet is connected with outlet pipe；
Return duct, the return duct are connected with the water inlet pipe and the outlet pipe respectively.
2. wastewater treatment equipment according to claim 1, which is characterized in that the connecting tube adds mouth equipped with carbon source
And/or sulfate adds mouth and/or nutrient adds mouth.
3. wastewater treatment equipment according to claim 1, which is characterized in that the settling vessel has the flocculation to communicate with each other
Pond and sedimentation basin, the waterwater entrance is connected to the flocculation basin and the wastewater outlet is connected to the sedimentation basin.
4. wastewater treatment equipment according to claim 3, which is characterized in that the flocculation basin enters equipped with stirring gas
Mouthful；And/or
Blender is equipped in the flocculation basin.
5. wastewater treatment equipment according to claim 3, which is characterized in that the flocculation basin is added equipped with polymer
Mouthful；And/or
The water inlet pipe is equipped with coagulant dosage mouth and the coagulant dosage mouth is located at the return duct and the waste water enters
Between mouthful.
6. wastewater treatment equipment according to claim 3, which is characterized in that the sedimentation basin is connected with mud discharging pipe,
It is connected with sludge pump on the mud discharging pipe.
7. wastewater treatment equipment according to claim 1, which is characterized in that the anaerobic reactor includes：
Tank body, the water inlet are located on the tank body, and the tank body is additionally provided with pneumostome；
Three phase separator, the three phase separator are located in the tank body, and the water outlet is located on the three phase separator.
8. wastewater treatment equipment according to claim 7, which is characterized in that the anaerobic reactor further includes：
Water distributor, the water distributor are located at the bottom in the tank body and positioned at the tank body, the water distributor by it is described into
The mouth of a river is connected to the connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626585.3U CN207748995U (en) | 2017-11-29 | 2017-11-29 | Wastewater treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626585.3U CN207748995U (en) | 2017-11-29 | 2017-11-29 | Wastewater treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207748995U true CN207748995U (en) | 2018-08-21 |
Family
ID=63148480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721626585.3U Active CN207748995U (en) | 2017-11-29 | 2017-11-29 | Wastewater treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207748995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072196A (en) * | 2021-04-07 | 2021-07-06 | 江苏伟恒土壤治理科技有限公司 | Underground water heavy metal treatment equipment |
-
2017
- 2017-11-29 CN CN201721626585.3U patent/CN207748995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072196A (en) * | 2021-04-07 | 2021-07-06 | 江苏伟恒土壤治理科技有限公司 | Underground water heavy metal treatment equipment |
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