CN107585910A - Wastewater treatment equipment - Google Patents
Wastewater treatment equipment Download PDFInfo
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- CN107585910A CN107585910A CN201710906079.8A CN201710906079A CN107585910A CN 107585910 A CN107585910 A CN 107585910A CN 201710906079 A CN201710906079 A CN 201710906079A CN 107585910 A CN107585910 A CN 107585910A
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Abstract
The invention provides a kind of wastewater treatment equipment.The device includes solid-liquid separation unit, Na-ion exchanger, weakly acidic cation exchanger, ultra filtration unit and reverse osmosis units；Solid-liquid separation unit is provided with waste water inlet and liquid-phase outlet, to carry out separation of solid and liquid to the waste water；Na-ion exchanger is provided with the first water inlet and the first delivery port, and first water inlet connects with the liquid-phase outlet；Weakly acidic cation exchanger is provided with the second water inlet and the second delivery port, and second water inlet connects with first delivery port；Ultra filtration unit is provided with the 3rd water inlet and the 3rd delivery port, and the 3rd water inlet connects with second delivery port；Reverse osmosis units are provided with the 4th water inlet and treated water outlet, and the 4th water inlet connects with the 3rd delivery port.Using the device, water outlet conductivity≤50us/cm, salt rejection rate >=98%, Water Sproading rate >=94%, waste Water Zero Discharge for Power Plant is realized substantially.
Description
Technical field
The present invention relates to technical field of waste water processing, in particular to a kind of wastewater treatment equipment.
Background technology
Northern China rich coal resources, construction has a large amount of thermal power plants, but water resource extremely lacks.As power plant effluent is arranged
It is increasingly strict and use water, the foundation of drainage charge system to put the requirement of standard, thermal power plant as using water, draining rich and influential family, no matter from
Still from the point of view of economical operation angle, using water wisely and reduction efflux wastewater have become very necessary for environmental protection.
Industrial Waste Water in Coal-fired Power Plant mainly includes：Wastewater Form Circulating Cooling Water and the waste water of chemical workshop, main building ground flushing water
With valveless filtering pool backwash draining, boiler blowdown water and unrestrained water.Above waste water is salt concentration, the increased waste water of suspension, is had
There is a high salinity, high rigidity, the features such as high suspended matter.It is domestic at present to be directed to such waste water also without stable ripe processing work
Skill, typically directly discharge, cause the waste of great lot of water resources, while a large amount of high slat-containing wastewaters can cause pole again to receiving sewage body
Big pollution.
The content of the invention
It is a primary object of the present invention to provide a kind of wastewater treatment equipment, to solve thermal power plant's Industry Waste in the prior art
The reluctant technical problem of water.
To achieve these goals, the invention provides a kind of wastewater treatment equipment, it includes：Solid-liquid separation unit, if
Waste water inlet and liquid-phase outlet are equipped with, to carry out separation of solid and liquid to waste water；Na-ion exchanger, be provided with the first water inlet and
First delivery port, the first water inlet connect with liquid-phase outlet；Weakly acidic cation exchanger, it is provided with the second water inlet and second and goes out
The mouth of a river, the second water inlet connect with the first delivery port；Ultra filtration unit, the 3rd water inlet and the 3rd delivery port are provided with, the 3rd enters
The mouth of a river connects with the second delivery port；And reverse osmosis units, be provided with the 4th water inlet and treated water outlet, the 4th water inlet with
3rd delivery port connects.
Further, solid-liquid separation unit includes：Depositing reservoir, it is provided with waste water inlet and the 4th delivery port；Flocculant supplies
Device is answered, is connected with depositing reservoir, to provide flocculant into depositing reservoir；And filter, it is provided with the 5th water inlet and liquid
Mutually export, the 5th water inlet connects with the 4th delivery port.
Further, filter is quartz filter.
Further, solid-liquid separation unit also includes：Flocculation aid feeding mechanism, is connected with depositing reservoir, to depositing reservoir
Middle offer flocculation aid.
Further, solid-liquid separation unit also includes：Milk of lime feeding mechanism, is connected with depositing reservoir, to depositing reservoir
Middle offer milk of lime.
Further, connected between the 4th delivery port and the 5th water inlet by filter pipeline；Solid-liquid separation unit also wraps
Hydrochloric acid feeding mechanism is included, hydrochloric acid feeding mechanism connects with filter pipeline.
Further, wastewater treatment equipment also includes carbon dioxide cleaner, and carbon dioxide cleaner is arranged on the 3rd water inlet and the second delivery port
On the stream being connected.
Further, counter-infiltration pipeline connection is passed through between the 4th water inlet and the 3rd delivery port；Wastewater treatment equipment is also
Including：Sodium hydroxide feeding mechanism, sodium hydroxide feeding mechanism and counter-infiltration pipeline connection；And antisludging agent feeding mechanism, resistance
Dirty agent feeding mechanism and counter-infiltration pipeline connection.
Further, it is provided with steam jacket outside counter-infiltration pipeline；Wastewater treatment equipment also includes steam providing apparatus,
Steam providing apparatus is supplying steam into steam jacket.
Further, depositing reservoir is additionally provided with mud discharging mouth；Wastewater treatment equipment also includes：Sludge-tank, sludge-tank and spoil disposal
Mouth connection；And dehydration device, dehydration device connect with sludge-tank, to carry out dewater treatment to the sludge in sludge-tank.
Further, ultra filtration unit device includes：Ultrafiltration apparatus, it is provided with the 3rd water inlet, ultrafiltration production water out and the
One backwash water inlet；Is produced from pond in ultrafiltration, is provided with ultrafiltration production water inlet and the 3rd delivery port, ultrafiltration production water inlet and ultrafiltration production water
Outlet；And backwash water tank, it is provided with water tank import and the first backwash water out, the first backwash water out and the first backwash
Water inlet connects, and water tank import connects with ultrafiltration production water out.
Further, reverse osmosis units include：Reverse osmosis unit, be provided with the 4th water inlet, reverse osmosis produced water out and
Second backwash water inlet；Reverse osmosis produced pond, treated water outlet, reverse osmosis produced water inlet and the second backwash water out are provided with,
Reverse osmosis produced water inlet and reverse osmosis produced water outlet, the second backwash water out and the second backwash water inlet communication.
Apply the technical scheme of the present invention, there is provided a kind of wastewater treatment equipment, it includes solid-liquid separation unit, sodium ion
Exchanger, weakly acidic cation exchanger, ultra filtration unit and reverse osmosis units；Solid-liquid separation unit is provided with waste water inlet and liquid
Mutually export, to carry out separation of solid and liquid to the waste water；Na-ion exchanger is provided with the first water inlet and the first delivery port, institute
The first water inlet is stated to connect with the liquid-phase outlet；Weakly acidic cation exchanger is provided with the second water inlet and the second delivery port,
Second water inlet connects with first delivery port；Ultra filtration unit is provided with the 3rd water inlet and the 3rd delivery port, described
3rd water inlet connects with second delivery port；Reverse osmosis units are provided with the 4th water inlet and treated water outlet, and described
Four water inlets connect with the 3rd delivery port.
Using wastewater treatment equipment provided by the invention, Industrial Waste Water in Coal-fired Power Plant can be reduced using solid-liquid separation unit
Suspension and turbidity, prevent it from blocking follow-up processing unit.Successively utilize Na-ion exchanger and weakly acidic cation exchanger
It can significantly reduce waste water hardness, remove the metal cations such as calcium and magnesium in waste water.It should be noted that Na-ion exchanger and
Both weakly acidic cation exchangers can also complement each other, except hard better, at the industrial wastewater of thermal power plant's high rigidity
Reason has specific aim very much.Ultra filtration unit and reverse osmosis units are finally utilized, waste water can be further purified, make water outlet conductivity
≤ 50us/cm, salt rejection rate >=98%.Meanwhile handle Industrial Waste Water in Coal-fired Power Plant using the device of the present invention, the rate of recovery of water >=
94%, waste Water Zero Discharge for Power Plant is realized substantially, greatly improves resource utilization.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows wastewater treatment equipment schematic diagram according to an embodiment of the present.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, solid-liquid separation unit；11st, depositing reservoir；12nd, flocculant feeding mechanism；13rd, filter；14th, flocculation aid supply dress
Put；15th, milk of lime feeding mechanism；16th, hydrochloric acid feeding mechanism；17th, backwash blower fan；20th, Na-ion exchanger；30th, weak acid sun from
Sub- exchanger；40th, ultra filtration unit；41st, ultrafiltration apparatus；42nd, ultrafiltration production pond；43rd, backwash water tank；50th, reverse osmosis units；51、
Reverse osmosis unit；52nd, reverse osmosis produced pond；53rd, strong brine pond；60th, carbon dioxide cleaner；70th, sodium hydroxide feeding mechanism；80th, scale inhibition
Agent feeding mechanism；90th, sludge-tank；100th, dehydration device；110th, intermediate pool；120th, reducing agent feeding mechanism.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The application is described in further detail below in conjunction with specific embodiment, these embodiments are it is not intended that limit this
Apply for scope claimed.
As described by background section, the processing for Industrial Waste Water in Coal-fired Power Plant is more difficult in the prior art,
It result in a large amount of wastes and environmental pollution of water resource.
In order to solve this problem, the invention provides a kind of wastewater treatment equipment, as shown in figure 1, it includes solid-liquid point
From unit 10, Na-ion exchanger 20, weakly acidic cation exchanger 30, ultra filtration unit 40 and reverse osmosis units 50, solid-liquid point
Unit 10 is provided with waste water inlet and liquid-phase outlet, to carry out separation of solid and liquid to waste water；Na-ion exchanger 20 is provided with
First water inlet and the first delivery port, the first water inlet connect with liquid-phase outlet；Weakly acidic cation exchanger 30 is provided with second
Water inlet and the second delivery port, the second water inlet connect with the first delivery port；Ultra filtration unit 40 is provided with the 3rd water inlet and
Three delivery ports, the 3rd water inlet connect with the second delivery port；Reverse osmosis units 50 are provided with the 4th water inlet and treated water outlet,
4th water inlet connects with the 3rd delivery port.
The northern area of China extreme dehydration, is using water wisely, and thermal power plant generally sets the concentration rate of cooling-tower circulating water
5-8 is set to, causes that the industrial wastewater of power plant emission is very muddy and suspension content reaches more than 50mg/L.And power plant emission
For industrial wastewater hardness because boiler feedwater uses surface water more, in 3~4mmol/L, 4 times are concentrated by changing water system mostly for hardness
Afterwards, it is extremely hard waste water typically all in more than 12mmol/L.
Using wastewater treatment equipment provided by the invention, Industrial Waste Water in Coal-fired Power Plant can be reduced using solid-liquid separation unit 10
Suspension and turbidity, prevent it from blocking follow-up processing unit.Successively handed over using Na-ion exchanger 20 and Weak-acid cation
Parallel operation 30 can significantly reduce waste water hardness, remove the metal cations such as calcium and magnesium in waste water.It should be noted that sodium ion is handed over
Both parallel operation 20 and weakly acidic cation exchanger 30 can also complement each other, except hard better, for thermal power plant's high rigidity
Industrial Wastewater Treatment has specific aim very much.Ultra filtration unit 40 and reverse osmosis units 50 are finally utilized, can further be purified useless
Water, make water outlet conductivity≤50us/cm, salt rejection rate >=98%.Meanwhile handle thermal power plant's Industry Waste using the device of the present invention
Water, the rate of recovery >=94% of water, realizes waste Water Zero Discharge for Power Plant substantially, greatly improves resource utilization.
The effect of above-mentioned solid-liquid separation unit 10 is to reduce the suspension content and turbidity of waste water.In a kind of preferable implementation
In example, as shown in figure 1, solid-liquid separation unit 10 includes depositing reservoir 11, flocculant feeding mechanism 12 and filter 13, depositing reservoir
11 are provided with waste water inlet and the 4th delivery port；Flocculant feeding mechanism 12 connects with depositing reservoir 11, into depositing reservoir 11
Flocculant is provided；Filter 13 is provided with the 5th water inlet and liquid-phase outlet, and the 5th water inlet connects with the 4th delivery port.
Flocculant can be provided into depositing reservoir 11 using flocculant feeding mechanism 12, to be the small suspension in waste water
Greater particle size is flocculated into, and is precipitated.The floccule not settled down can be filtered off and removed using filter 13.Use
Flocculant can be flocculant commonly used in the art, it is preferred to use FeCl3, its dosage is 30mg/L.Preferably, filter 13
For quartz filter.Quartz filter described herein is the filter using quartz sand as filter medium, using quartz sand
Filter has more preferable effect to removing turbidity.It is highly preferred that solid-liquid separation unit 10 also includes：Flocculation aid feeding mechanism
14, connected with depositing reservoir 11, to provide flocculation aid into depositing reservoir 11.The aggregation that flocculation aid is more beneficial for suspension is added,
Waste water drops turbid degree more preferably.In a word, by above-mentioned solid-liquid separation unit 10, waste water flocculates through Forced Mixing, stirs clarification, produces water
Pass through quartz sand filtration again, production water turbidity≤3NTU can be made, preferably meet subsequent technique service requirement.
In a kind of preferred embodiment, solid-liquid separation unit 10 also includes：Milk of lime feeding mechanism 15, with depositing reservoir 11
Connection, to provide milk of lime into depositing reservoir 11.Milk of lime is added into waste water, preliminary drop can be carried out to waste water firmly, and
Also there is cost advantage using milk of lime.It is highly preferred that connected between the 4th delivery port and the 5th water inlet by filter pipeline；
Solid-liquid separation unit 10 also includes：Hydrochloric acid feeding mechanism 16, hydrochloric acid feeding mechanism 16 connect with filter pipeline.In such manner, it is possible to
Milk of lime tentatively except alkali part unnecessary in hard rear neutralization waste water, adjusts the pH of waste water so that it is in follow-up Na-ion exchanger 20
It is better in processing with weakly acidic cation exchanger 30, it is preferable that adjusted the pH value of waste water to 7.5 using hydrochloric acid~
8.5.It is so more suitable for follow-up ion exchange process.Using the technique, milk of lime, Na-ion exchanger are successively utilized
20 and weakly acidic cation exchanger 30 except hard, hardness can be reduced to below 0.1mmol/L in waste water, and the bright lattice rel of waste water refers to
Number (LSIC)≤0.Fouling of the waste water in reverse osmosis units 50 so can be further prevented, and water quality is more preferably.
In a kind of preferred embodiment, wastewater treatment equipment also includes：Carbon dioxide cleaner 60, carbon dioxide cleaner 60 are arranged on the 3rd and entered
On the stream that the mouth of a river is connected with the second delivery port.The carbon dioxide in waste water can be removed using carbon dioxide cleaner 60, to prevent from giving up
Corrosion of the water to subsequent ultrafiltration unit 40 and reverse osmosis units 50.
In a kind of preferred embodiment, pass through counter-infiltration pipeline connection between the 4th water inlet and the 3rd delivery port；It is useless
Water treatment facilities also includes sodium hydroxide feeding mechanism 70 and antisludging agent feeding mechanism 80, sodium hydroxide feeding mechanism 70 and reverse osmosis
Saturating pipeline connection；Antisludging agent feeding mechanism 80 and counter-infiltration pipeline connection.So, except hard waste water enter reverse osmosis units 50 it
Before, antisludging agent can be added thereto, and will be run between wastewater pH regulation to 9~10.Counter-infiltration is run under weak basic condition
Unit 50, its current potential can be changed into negative potential.Most of spontaneous particle is negatively charged, and two negative electrical charges are mutually exclusive, institute
With particle it is difficult to adsorb on counter-infiltration membranous wall.And the present invention is adjusted for the pH of waste water, the aliphatic acid under alkaline operating mode
Saponification can occur, organic matter can keep dissolved state, will not adsorb on membranous wall；Alkaline state separately is adjusted to, equivalent to reverse osmosis
Saturating unit 50 is constantly in weak on-line cleaning state, therefore seldom organism can survive under high pH operating modes, it is also not possible to numerous
Grow, therefore organism in water fouling is less susceptible to occur.In a word, by above measure, it is more beneficial for preventing the knot of reverse osmosis units 50
Dirt and dirty stifled problem, enable a system to more stable operation.
In a kind of preferred embodiment, steam jacket is provided with outside counter-infiltration pipeline；Wastewater treatment equipment also includes：
Steam providing apparatus, to supply steam into steam jacket.The steam jacket is set, can in the winter time with it is right under low temperature environment
Waste water is heated up, and makes water temperature stability at 20~25 DEG C, is avoided reverse osmosis membrane flux because temperature change and fluctuation, is made
The more stable operation of system.In addition, if the device is set in the relatively low environment of temperature, each structures in preferred embodiment are tried one's best
Using buried or partly bury mode, all structures cappings；More than frozen soil layer and aerial part is using at fireproof heated board insulation
Reason；All devices are installed indoors and design heating as far as possible, all leakages and frozen soil layer above pipeline, valve using insulation and
Electric tracing measure.
It is highly preferred that depositing reservoir 11 is additionally provided with mud discharging mouth；Wastewater treatment equipment also includes sludge-tank 90 and dehydration device
100, sludge-tank 90 connects with mud discharging mouth；Dehydration device 100 connects with sludge-tank 90, to be carried out to the sludge in sludge-tank 90
Dewater treatment.The sludge dewatering to settle down can so be sent outside, be made the best use of everything with reaching.
In embodiment not shown in figure, said apparatus also includes regulating reservoir, and it is arranged on the upstream of depositing reservoir 11, uses
To keep in waste water.
It is highly preferred that being additionally provided with intermediate pool 110 between filter 13 and Na-ion exchanger 20, also it is configured to temporarily store useless
Water.Part water in intermediate pool 110 is back in filter 13 to the filter medium in backwash intermediate pool 110.Enter one
Preferably, solid-liquid separation unit 10 also includes backwash blower fan 17 to step, and it is connected with filter 13.Can be using backwash blower fan 17
The air blast into filter 13 during the air water joint backwash of filter 13, makes the quartz sand in filter 13 fully expand, and mutually
Expansion, clean, so that filtrate can be cleaned more thoroughly, reduce filtration resistance.
It is highly preferred that being connected between intermediate pool 110 and Na-ion exchanger 20 by intermediate duct, said apparatus also wraps
Reducing agent feeding mechanism 120 is included, it is connected with intermediate duct.It can so add and reduce in by the production water of filter 13
Agent, reducing agent can fully react with the strong oxidizing property composition in waste water, to reduce the oxidisability of waste water, protect follow-up counter-infiltration
Film is not oxidized.
It is highly preferred that ultra filtration unit 40 includes ultrafiltration apparatus 41, ultrafiltration production pond 42 and backwash water tank 43, ultrafiltration apparatus 41
Above-mentioned 3rd water inlet, ultrafiltration production water out and backwash water inlet are provided with, ultrafiltration production pond 42 is provided with ultrafiltration production water inlet
With above-mentioned 3rd delivery port, ultrafiltration is produced water inlet and is connected with ultrafiltration production water out, and backwash water tank 43 is provided with water tank import, backwash
Water out, the backwash water inlet communication of backwash water out and ultrafiltration apparatus 41, water tank import also connect with ultrafiltration production water out.This
Sample, complete the post-job production water of ultrafiltration through ultrafiltration apparatus 41 and be partly into ultrafiltration production pond, enter the counter-infiltration stage afterwards.One
The backwash water for entering backwash water tank 43 as ultrafiltration apparatus 41 is divided to carry out backwash to the milipore filter in ultrafiltration apparatus 41.
It is highly preferred that reverse osmosis units 50 include reverse osmosis unit 51 and the reverse osmosis produced pond 52 being sequentially connected with, reverse osmosis
Saturating device 51 is provided with the 4th water inlet, reverse osmosis produced water out and the second backwash water inlet；Reverse osmosis produced pond 52 is provided with
Treated water outlet, reverse osmosis produced water inlet and the second backwash water out, reverse osmosis produced water inlet and reverse osmosis produced water outlet,
Second backwash water out and the second backwash water inlet communication.Part water in reverse osmosis produced pond 52 is back to reverse osmosis unit 51
In backwash is carried out to the reverse osmosis membrane in reverse osmosis unit 51, obtained high strong brine enters strong brine pond 53.
It is highly preferred that adding hydrochloric acid in the production water that reverse osmosis unit 51 comes out, enter after regulation pH to neutrality reverse osmosis produced
Pond 52.Production stability so can be further improved, and is more beneficial for the normal reuse of reverse osmosis produced water.
Beneficial effects of the present invention are further illustrated by the following examples：
Embodiment 1
Using Fig. 1 shown devices, wherein the flocculant added is FeCl3, its dosage is 30mg/L；The flocculation aid of use
For PAM, dosage is 1~2PPM；After waste water goes out quartz filter, adjusted the pH value of waste water to 7.5 using hydrochloric acid~
8.5；After ultra filtration unit, reverse osmosis antisludging agent PTRO100HD is added, dosage is 3~5ppm...., will using sodium hydroxide
The pH regulations of water are to entering back into reverse osmosis units between 9~10.
The handling process, through long-term checking, 2 × 150MW of certain steam power plant unit water systems waste water, recirculating cooling water system
The industrial wastewater such as sewer and boiler blowdown water, after system processing, Water Sproading rate is up to 94%, and production water conductivity≤
50us/cm, salt rejection rate >=98% meet reverse osmosis produced water water quality requirement between originalization waterwheel, and production water is all recovered in originalization waterwheel
Between reverse osmosis produced water tank, it is and stable, save great lot of water resources.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：.
The present invention can reduce thermal power plant's work using said apparatus processing Industrial Waste Water in Coal-fired Power Plant using solid-liquid separation unit
The suspension and turbidity of industry waste water, prevent it from blocking follow-up processing unit.Successively using Na-ion exchanger and weak acid sun from
Sub- exchanger can significantly reduce waste water hardness, remove the metal cations such as calcium and magnesium in waste water.It should be noted that sodium ion
Both exchanger and weakly acidic cation exchanger can also complement each other, except hard better, for the work of thermal power plant's high rigidity
Industry wastewater treatment has specific aim very much.Ultra filtration unit and reverse osmosis units are finally utilized, waste water can be further purified, use
Water conductivity≤50us/cm, salt rejection rate >=98%.Meanwhile Industrial Waste Water in Coal-fired Power Plant is handled using the device of the present invention, water returns
Yield >=94%, waste Water Zero Discharge for Power Plant is realized substantially, greatly improve resource utilization.
Especially, for the waste water salt content height, extreme hardness, suspension content is high, pollution level is high the features such as, use
Suspension, hardness number is greatly reduced in clarification and filtering technique；Institute in water is removed using preposition two-stage ion exchange system
There is hardness, while reduce further the suspension in water；By small throughput ultrafiltration, three sections of reverse osmosis process of one-level of improvement and
Concentrate recirculation measure, runs in the basic conditions, refluxing portion concentrated water, ensures the Process for Effluent water stabilization, and electrical conductivity≤
50us/cm, salt rejection rate >=98%, the rate of recovery >=94%, production water being directly recycled to water system reverse osmosis produced water tank, system can produce
6% raw high-salt wastewater, wet and grey field digestion is mixed for lime-ash, industrial wastewater " zero-emission " is realized and does not need evaporative crystallization
Technique, have the characteristics that small investment operating cost is low.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
- A kind of 1. wastewater treatment equipment, it is characterised in that including：Solid-liquid separation unit (10), is provided with waste water inlet and liquid-phase outlet, to carry out separation of solid and liquid to the waste water；Na-ion exchanger (20), is provided with the first water inlet and the first delivery port, and first water inlet goes out with the liquid phase Mouth connection；Weakly acidic cation exchanger (30), is provided with the second water inlet and the second delivery port, second water inlet and described the One delivery port connects；Ultra filtration unit (40), it is provided with the 3rd water inlet and the 3rd delivery port, the 3rd water inlet and second delivery port Connection；AndReverse osmosis units (50), it is provided with the 4th water inlet and treated water outlet, the 4th water inlet and the 3rd water outlet Mouth connection.
- 2. device according to claim 1, it is characterised in that the solid-liquid separation unit (10) includes：Depositing reservoir (11), is provided with the waste water inlet and the 4th delivery port；Flocculant feeding mechanism (12), connected with the depositing reservoir (11), to provide flocculant into the depositing reservoir (11)； AndFilter (13), it is provided with the 5th water inlet and the liquid-phase outlet, the 5th water inlet and the 4th delivery port Connection.
- 3. device according to claim 2, it is characterised in that the filter (13) is quartz filter.
- 4. device according to claim 2, it is characterised in that the solid-liquid separation unit (10) also includes：Flocculation aid feeding mechanism (14), connected with the depositing reservoir (11), to provide flocculation aid into the depositing reservoir (11).
- 5. the device according to any one of claim 2 to 4, it is characterised in that the solid-liquid separation unit (10) is also wrapped Include：Milk of lime feeding mechanism (15), connected with the depositing reservoir (11), to provide milk of lime into the depositing reservoir (11).
- 6. device according to claim 5, it is characterised in that lead between the 4th delivery port and the 5th water inlet Cross filter pipeline connection；The solid-liquid separation unit (10) also includes hydrochloric acid feeding mechanism (16), the hydrochloric acid feeding mechanism (16) connected with the filter pipeline.
- 7. device according to any one of claim 1 to 4, it is characterised in that the wastewater treatment equipment also includes removing Carbon device (60), the carbon dioxide cleaner (60) are arranged on the stream that the 3rd water inlet is connected with second delivery port.
- 8. device according to any one of claim 1 to 4, it is characterised in that the 4th water inlet and the described 3rd Pass through counter-infiltration pipeline connection between delivery port；The wastewater treatment equipment also includes：Sodium hydroxide feeding mechanism (70), the sodium hydroxide feeding mechanism (70) and the counter-infiltration pipeline connection；AndAntisludging agent feeding mechanism (80), the antisludging agent feeding mechanism (80) and the counter-infiltration pipeline connection.
- 9. device according to claim 8, it is characterised in that be provided with steam jacket outside the counter-infiltration pipeline；Institute Stating wastewater treatment equipment also includes steam providing apparatus, and the steam providing apparatus steams to be supplied into the steam jacket Vapour.
- 10. device according to claim 2, it is characterised in that the depositing reservoir (11) is additionally provided with mud discharging mouth；It is described useless Water treatment facilities also includes：Sludge-tank (90), the sludge-tank (90) connect with the mud discharging mouth；AndDehydration device (100), the dehydration device (100) connects with the sludge-tank (90), to the sludge-tank (90) In sludge carry out dewater treatment.
- 11. device according to claim 1, it is characterised in that ultra filtration unit (40) device includes：Ultrafiltration apparatus (41), it is provided with the 3rd water inlet, ultrafiltration production water out and the first backwash water inlet；Pond (42) are produced in ultrafiltration, are provided with ultrafiltration production water inlet and the 3rd delivery port, the ultrafiltration production water inlet with it is described Ultrafiltration production water out connection；AndBackwash water tank (43), it is provided with water tank import and the first backwash water out, the first backwash water out and described first Backwash water inlet communication, the water tank import connect with ultrafiltration production water out.
- 12. device according to claim 1, it is characterised in that the reverse osmosis units (50) include：Reverse osmosis unit (51), it is provided with the 4th water inlet, reverse osmosis produced water out and the second backwash water inlet；Reverse osmosis produced pond (52), the treated water outlet, reverse osmosis produced water inlet and the second backwash water out are provided with, it is described Reverse osmosis produced water inlet and the reverse osmosis produced water outlet, the second backwash water out and the second backwash water inlet Connection.
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|---|---|---|---|
| CN201710906079.8A CN107585910A (en) | 2017-09-28 | 2017-09-28 | Wastewater treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710906079.8A CN107585910A (en) | 2017-09-28 | 2017-09-28 | Wastewater treatment equipment |
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| CN107585910A true CN107585910A (en) | 2018-01-16 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204824503U (en) * | 2015-07-21 | 2015-12-02 | 神华集团有限责任公司 | Processing system of reverse osmosis dope |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204824503U (en) * | 2015-07-21 | 2015-12-02 | 神华集团有限责任公司 | Processing system of reverse osmosis dope |
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Application publication date: 20180116 |