CN209226794U - A kind of bathing geothermal tail water combined treatment device - Google Patents
A kind of bathing geothermal tail water combined treatment device Download PDFInfo
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- CN209226794U CN209226794U CN201822082316.6U CN201822082316U CN209226794U CN 209226794 U CN209226794 U CN 209226794U CN 201822082316 U CN201822082316 U CN 201822082316U CN 209226794 U CN209226794 U CN 209226794U
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Abstract
The utility model discloses a kind of bathing geothermal tail water combined treatment devices, including coagulating sedimentation system, membrane bioreactor, membranous system A and membranous system B.Wherein, coagulating sedimentation system, membrane bioreactor, membranous system A and membranous system B are sequentially connected in series, and the first processing branch are formed, to handle the relatively high tail water of COD content；Coagulating sedimentation system, membranous system A and membranous system B are sequentially connected in series, and second processing branch are formed, to handle the relatively low tail water of COD content.The combined treatment device of the utility model reduces the content for producing water-soluble total solid (TDS), fluoride, chloride, boron etc., realizes the efficient reduction of bathing geothermal tail water pollutant in the treatment process of bathing geothermal tail water.The combined treatment device mentality of designing of the utility model is novel, rationally, and device is simple, and using reliable, the secondary use for bathing geothermal tail water provides technical support.
Description
Technical field
The utility model relates to tail water processing technology fields, fill more particularly to a kind of bathing geothermal tail water combined treatment
It sets.
Background technique
Geothermal energy is the reproducibility thermal energy from earth depths, it arises from the melting magma and radioactive substance of the earth
Decay.After the depths circulation of underground water and the igneous invasion to the earth's crust from profound place, heat is brought from deep under ground to nearly table
Layer.The mankind take geothermal energy to earth's surface in the form of GEOTHERMAL WATER or vapor and are used by digging geothermal well.
Due to geotherm geology and the difference of hydrogeologic condition, some local bathing geothermal tail water suspension contents are higher
(more than 100mg/L), COD are greater than 20mg/L, and total dissolved solid (TDS), chloride, fluoride, boron etc. refer in water
It is higher to mark content, direct emission standard is not achieved.As direct emission is also easy to produce water pollution, crop growth damages and it
His environmental problem.With water enterprise mostly in the case where high salinity bathing geothermal tail water is without individually handling, it is directly discharged into municipal administration
Pipe network, this greatly increases tail water processing cost but also wastes great lot of water resources.
Utility model content
The purpose of the utility model is to provide a kind of bathing geothermal tail water combined treatment devices, to remove bathing underground heat tail
Exceeded pollutant in water, realizes the cascade utilization of geothermal tail water, is finally reached the purpose to economize on resources with the energy.
To achieve the above object, the utility model provides following scheme:
The utility model discloses a kind of bathing geothermal tail water combined treatment devices, including coagulating sedimentation system, film biology
Reactor, membranous system A and membranous system B；
The coagulating sedimentation system includes the first elevator pump, blender, sedimentation basin, coagulant flask for medicinal preparations and flocculation aid medicament
The water inlet end of bottle, first elevator pump is connected to by pipeline with the bottom of balancing tank, the water outlet of first elevator pump
Be connected to by pipeline with the water inlet end of the blender, the coagulant flask for medicinal preparations and the flocculation aid flask for medicinal preparations respectively to
Coagulant and flocculation aid, the water outlet of the blender and institute are imported in pipeline in the blender or before the blender
Sedimentation basin connection is stated, the lower part of the sedimentation basin is provided with mud discharging mouth；
The membrane bioreactor includes aerating system and film case, and the aerating system is empty to import into the film case
Gas, curtain type membrane is provided in the film case, and the water outlet on the sedimentation basin top is connected by the water inlet end of pipeline and the film case
It is logical；
The membranous system A includes the second elevator pump, the first filter structure and external pressure type ultra-filtration membrane being sequentially connected in series, and described
The water inlet end of two elevator pumps is connected to by the first branch with the water outlet of the film case, and the water inlet end of second elevator pump passes through
Second branch is connected to the water outlet of the sedimentation basin, is provided with valve in the first branch and the second branch, described
First pressure gauge is provided on pipeline between second elevator pump and first filter structure；
The membranous system B includes the third elevator pump, the second filter structure and nanofiltration membrane being sequentially connected in series, and the third is promoted
The water inlet end of pump is connected to the water outlet of the external pressure type ultra-filtration membrane, between the third elevator pump and second filter structure
Pipeline on be provided with second pressure gauge.
Preferably, the coagulant flask for medicinal preparations and the flocculation aid flask for medicinal preparations are to the medicine supplying pipe road of the coagulating sedimentation system
On be provided with valve and dosing pump.
Preferably, the aerating system includes blower, aerating pipelines and aeration plate, and the one end on the aeration tube road is located at institute
It states the outside of film case and is connected to the air outlet of the blower, the other end on the aeration tube road is located at the inside bottom of the film case
Portion, the part that the aeration tube road is located on the inside of the film case are provided with venthole, and the aeration plate is installed at the venthole.
Preferably, backwashing pump is connected on the pipeline between second elevator pump and first filter structure.
Preferably, first filter structure includes two accurate filters being serially connected, second filter structure
Including an accurate filter.
Preferably, the membranous system A includes three external pressure type ultra-filtration membranes being serially connected.
Preferably, the membranous system B includes two nanofiltration membranes being serially connected.
Preferably, on the pipeline between the membrane bioreactor and the membranous system A and the membranous system A and institute
It states and is provided with intermediate water tank on the pipeline between membranous system B.
The utility model achieves following technical effect compared with the existing technology:
It is total to reduce production water-soluble in the treatment process of bathing geothermal tail water for the combined treatment device of the utility model
The content of solid (TDS), fluoride, chloride, boron etc. realizes the efficient reduction of bathing geothermal tail water pollutant.This is practical
Novel combined treatment device mentality of designing is novel, rationally, and device is simple, is the secondary benefit of bathing geothermal tail water using reliable
With providing technical support.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the general structure schematic diagram of the utility model bathing geothermal tail water combined treatment device；
Description of symbols: 1 balancing tank；2 coagulating sedimentation systems；21 first elevator pumps；22 blenders；23 sedimentation basins；
231 mud discharging mouths；24 coagulant flask for medicinal preparations；25 flocculation aid flask for medicinal preparations；3 membrane bioreactors；31 blowers；32 aerating pipelines；33 expose
Gas disk；34 curtain type membranes；4 membranous system A；41 second elevator pumps；42 external pressure type ultra-filtration membranes；43 first pressure gauges；44 backwashing pumps；5
Membranous system B；51 third elevator pumps；52 nanofiltration membranes；53 second pressure gauges；6 accurate filters.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of bathing geothermal tail water combined treatment devices, to remove bathing underground heat tail
Exceeded pollutant in water, realizes the cascade utilization of geothermal tail water, is finally reached the purpose to economize on resources with the energy.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
As shown in Figure 1, the present embodiment provides a kind of bathing geothermal tail water combined treatment device, including coagulating sedimentation system 2,
Membrane bioreactor 3, membranous system A4 and membranous system B5.Wherein, coagulating sedimentation system 2, membrane bioreactor 3, membranous system A4 and
Membranous system B5 is sequentially connected in series, and the first processing branch is formed, for handling the relatively high tail water of COD (COD) content
(being greater than 150mg/L)；Coagulating sedimentation system 2, membranous system A4 and membranous system B5 are sequentially connected in series, and are formed second processing branch, are used for
Handle the relatively low tail water (20-150mg/L) of COD content.
Specifically, coagulating sedimentation system 2 includes the first elevator pump 21, blender 22, sedimentation basin 23, coagulant flask for medicinal preparations 24
With flocculation aid flask for medicinal preparations 25.The water inlet end of first elevator pump 21 is connected to by pipeline with the bottom of balancing tank 1, the first elevator pump
21 water outlet is connected to by pipeline with the water inlet end of blender 22, and coagulant flask for medicinal preparations 24 and flocculation aid flask for medicinal preparations 25 are used respectively
To import coagulant and flocculation aid in the pipeline into blender 22 or before blender 22.The water outlet of blender 22 and heavy
Shallow lake pond 23 is connected to, and the lower part of sedimentation basin 23 is provided with mud discharging mouth 231.Water in balancing tank 1 is delivered to by the first elevator pump 21
In blender 22, the coagulant (PAC) in coagulant flask for medicinal preparations 24 and the flocculation aid (PAM) in flocculation aid flask for medicinal preparations 25 are also defeated
It send to blender 22.Under the stirring of blender 22, PAC and PAM make COD, biochemical oxygen demand (BOD) (BOD in tail water5), suspend
Object (SS) and anionic surfactant (LAS) flocculation, and be discharged by the mud discharging mouth 231 of 23 bottom of sedimentation basin.Blender 22
Stirring flocculation efficiency can be improved.PAC dosage is selected according to actual needs, such as 25mg/L.
For tail water of the COD content between 20-150mg/L, by being directly entered membranous system after coagulating sedimentation system 2
A4.Tail water of the COD content greater than 150mg/L need to pass through membrane bioreactor 3 between coagulating sedimentation system 2 and membranous system A4,
By membrane bioreactor 3 and membranous system A4, so that SS, COD and content of organics is met membranous system B5 water inlet and require.
Membrane bioreactor 3 includes aerating system and film case, while carrying out oxidation processes and filtration treatment.Aerating system is used
To import air into film case, curtain type membrane 34 is provided in film case, the water outlet on 23 top of sedimentation basin passes through pipeline and film case
Water inlet end connection.Curtain type membrane 34 herein is common doughnut curtain type membrane.
Membranous system A4 includes the second elevator pump 41, the first filter structure and the external pressure type ultra-filtration membrane 42 being sequentially connected in series.Second
The water inlet end of elevator pump 41 is connected to by the first branch with the water outlet of film case, and the water inlet end of the second elevator pump 41 passes through second
Branch (being not drawn into figure) is connected to the water outlet of sedimentation basin 23, is provided with valve in the first branch and second branch.By right
The control of valve opening and closing in the first branch and second branch can make tail water of the COD content greater than 150mg/L through the first processing branch
It is handled, tail water of the COD content between 20-150mg/L is handled through second processing branch.Second elevator pump 41 with
It is provided with first pressure gauge 43 on pipeline between first filter structure, pressure parameter can be monitored in real time in tail water processing.
The tail water for tail water or film the case outflow that sedimentation basin 23 flows out can be delivered at the first filter structure by the second elevator pump 41.
Membranous system B5 includes the third elevator pump 51, the second filter structure and nanofiltration membrane 52 being sequentially connected in series, third elevator pump
51 water inlet end is connected to the water outlet of external pressure type ultra-filtration membrane 42.Third elevator pump 51 can be filtered by external pressure type ultra-filtration membrane 42
Tail water is delivered at the second filter structure.Second pressure is provided on pipeline between third elevator pump 51 and the second filter structure
Table 53 can monitor pressure parameter in real time in tail water processing.It is always solid that membranous system B5 removes the dissolubility in bathing geothermal tail water
The exceeded indexs such as body (TDS), chloride, fluoride, boron are to complete desalination processes, runing time and pressure parameter according to practical need
It selectes.
In the present embodiment, the first filter structure includes (the also referred to as security personnel's filtering of two accurate filters being serially connected 6
Device), the second filter structure includes an accurate filter 6, and those skilled in the art can also select other classes according to actual needs
The filter of type, or the quantity flexible choice to accurate filter 6.The tail water high for iron manganese content, can also be in membranous system
Pretreatment unit is added before A4 and membranous system B5, aeration and filtration with manganese sand are carried out at pretreatment unit.
In the present embodiment, for the ease of dosing, coagulant flask for medicinal preparations 24 and flocculation aid flask for medicinal preparations 25 are to coagulating sedimentation system 2
For being provided with valve and dosing pump on the pipeline of medicine, opens corresponding valve and dosing can be realized in dosing pump.Art technology
Personnel can also be used the dosing method of flow by gravity or use manual dosing method.
Aerating system is the common structure of membrane bioreactor 3, and in the present embodiment, aerating system includes blower 31, aeration
One end of pipeline 32 and aeration plate 33, aerating pipelines 32 is located at the outside of film case and is connected to the air outlet of blower 31, aeration tube
The other end on road 32 is located at the inside bottom of film case, and the part that aerating pipelines 32 are located on the inside of film case is provided with venthole, aeration plate
33 are installed at venthole.Wherein, blower 31 is preferably electromagnetical blower fan 31.Air is transported to aerating pipelines by blower 31
In 32, be divided at aeration plate 33 tiny bubble and from the bottom of film case float, in floating-upward process with it is all kinds of inorganic
Object, organic matter carry out oxidation reaction.
Further, for the ease of clearing up membranous system A4, the present embodiment is in the second elevator pump 41 and the first filtering
Backwashing pump 44 is connected on pipeline between structure.
In the present embodiment, membranous system A4 includes three external pressure type ultra-filtration membranes being serially connected 42, and membranous system B5 includes two
The nanofiltration membrane 52 being serially connected, those skilled in the art can also select the external pressure type ultra-filtration membrane 42 of other quantity as needed or receive
Filter membrane 52.
Further, on pipeline of the present embodiment between membrane bioreactor 3 and membranous system A4 and membranous system A4
It is provided with intermediate water tank (being not drawn into figure) on pipeline between membranous system B5 as intermediate structure, avoids the second elevator pump
41 and third elevator pump 51 pressure in the upper level structure of intermediate water tank is produced bigger effect at work.
When in use, the control water inlet of bathing geothermal tail water is the bathing geothermal tail water combined treatment device of the present embodiment
0.5L/h, by initially entering coagulating sedimentation system 2 behind balancing tank 1.It is preliminary to remove in tail water by adding PAC and PAM
COD、BOD5, SS and LAS, PAC dosage be chosen to be 25mg/L according to actual needs.For COD content 20-150mg/L it
Between tail water, handled through second processing branch, by being directly entered membranous system A4 after coagulating sedimentation system 2；COD content is big
It is handled in the tail water of 150mg/L through the first processing branch, it is raw that film need to be added between coagulating sedimentation system 2 and membranous system A4
Object reactor 3 makes SS, COD and content of organics meet membranous system B5 water inlet by membrane bioreactor 3 and membranous system A4
It is required that it is 8000mg/L or so that membrane bioreactor 3, which controls sludge concentration, dissolved oxygen (DO) is 4mgO2/ L or so.Membranous system A4
Water outlet removed by membranous system B5 total dissolved solid (TDS) in tail water, chloride, fluoride, the exceeded index such as boron with
Desalination processes are completed, runing time and pressure parameter are selected according to actual needs.
It applies specific case in this specification to be expounded the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of bathing geothermal tail water combined treatment device, which is characterized in that including coagulating sedimentation system, membrane bioreactor,
Membranous system A and membranous system B；
The coagulating sedimentation system includes the first elevator pump, blender, sedimentation basin, coagulant flask for medicinal preparations and flocculation aid flask for medicinal preparations,
The water inlet end of first elevator pump is connected to by pipeline with the bottom of balancing tank, and the water outlet of first elevator pump passes through
Pipeline is connected to the water inlet end of the blender, and the coagulant flask for medicinal preparations and the flocculation aid flask for medicinal preparations are respectively to described
Coagulant and flocculation aid are imported in pipeline in blender or before the blender, the water outlet of the blender sinks with described
The connection of shallow lake pond, the lower part of the sedimentation basin is provided with mud discharging mouth；
The membrane bioreactor includes aerating system and film case, the aerating system to import air into the film case,
Curtain type membrane is provided in the film case, the water outlet on the sedimentation basin top is connected to by pipeline with the water inlet end of the film case；
The membranous system A includes the second elevator pump, the first filter structure and external pressure type ultra-filtration membrane being sequentially connected in series, and described second mentions
The water inlet end for rising pump is connected to by the first branch with the water outlet of the film case, and the water inlet end of second elevator pump passes through second
Branch is connected to the water outlet of the sedimentation basin, is provided with valve in the first branch and the second branch, and described second
First pressure gauge is provided on pipeline between elevator pump and first filter structure；
The membranous system B includes the third elevator pump, the second filter structure and nanofiltration membrane being sequentially connected in series, the third elevator pump
Water inlet end is connected to the water outlet of the external pressure type ultra-filtration membrane, the pipe between the third elevator pump and second filter structure
Road is provided with second pressure gauge.
2. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that the coagulant flask for medicinal preparations
The medicine supplying pipe road of the coagulating sedimentation system is provided with valve and dosing pump with the flocculation aid flask for medicinal preparations.
3. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that the aerating system includes
Blower, aerating pipelines and aeration plate, the one end on the aeration tube road are located at the outside of the film case and the outlet air with the blower
Mouth connection, the other end on the aeration tube road are located at the inside bottom of the film case, and the aeration tube road is located in the film case
The part of side is provided with venthole, and the aeration plate is installed at the venthole.
4. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that second elevator pump with
Backwashing pump is connected on pipeline between first filter structure.
5. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that first filter structure
The accurate filter being serially connected including two, second filter structure include an accurate filter.
6. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that the membranous system A includes
Three external pressure type ultra-filtration membranes being serially connected.
7. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that the membranous system B includes
Two nanofiltration membranes being serially connected.
8. bathing geothermal tail water combined treatment device according to claim 1, which is characterized in that the membrane bioreactor
Centre is provided on pipeline on pipeline between the membranous system A and between the membranous system A and the membranous system B
Water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082316.6U CN209226794U (en) | 2018-12-12 | 2018-12-12 | A kind of bathing geothermal tail water combined treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082316.6U CN209226794U (en) | 2018-12-12 | 2018-12-12 | A kind of bathing geothermal tail water combined treatment device |
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| CN209226794U true CN209226794U (en) | 2019-08-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368943A (en) * | 2018-12-12 | 2019-02-22 | 黑龙江省九0四环境工程勘察设计院 | A kind of bathing geothermal tail water combined treatment device |
-
2018
- 2018-12-12 CN CN201822082316.6U patent/CN209226794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368943A (en) * | 2018-12-12 | 2019-02-22 | 黑龙江省九0四环境工程勘察设计院 | A kind of bathing geothermal tail water combined treatment device |
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