CN207581406U - A kind of waste water treatment system - Google Patents
A kind of waste water treatment system Download PDFInfo
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- CN207581406U CN207581406U CN201721018858.6U CN201721018858U CN207581406U CN 207581406 U CN207581406 U CN 207581406U CN 201721018858 U CN201721018858 U CN 201721018858U CN 207581406 U CN207581406 U CN 207581406U
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Abstract
A kind of waste water treatment system, the system include column for smoke purification, and column for smoke purification is equipped with column for smoke purification smoke inlet；Column for smoke purification smoke inlet is connect with smoke conveying duct；Smoke conveying duct separates flue gas branch, and flue gas branch road is equipped with waste water evaporating column, deduster successively；Waste water evaporating column is equipped with smoke inlet, exhanst gas outlet, waterwater entrance, waste water evaporating column solid outlet；Deduster is equipped with gas access, gas vent, deduster solid outlet；Smoke conveying duct separates flue gas branch connection smoke inlet, and exhanst gas outlet is connected to the gas access on deduster by the first conveyance conduit, and gas vent is connected to smoke conveying duct by the second conveyance conduit；Waterwater entrance is connect with waste water conveyance conduit.The utility model handles Wastewater from Acid Preparation using fume afterheat, and process flow is simple, at low cost, reduces energy waste, solves the processing problem of flue gas acid preparing waste water.
Description
Technical field
The utility model is related to a kind of waste water treatment process, particularly a kind of system using fume treatment waste water and
Its method, belongs to technical field of waste water processing.
Background technology
Industrial smoke (such as flue gas during smelting or sintering flue gas) is the main source of industrial air pollution, accounts for about atmosphere pollution
More than 60% object.Flue-gas temperature height (such as 120-180 DEG C) and complicated component, except containing a large amount of SO2Outside, it is rotten there are many also containing
Corrosion gas and heavy metal contaminants, including HCl, HF, NOxWait corrosive gas, the toxic heavy metals such as Yi Jiqian, mercury, chromium, zinc
Substance.Activated carbon desulfurization has that desulfurization degree is high, it is out of stock to can be achieved at the same time, de- dioxin, dedusting, not generate waste water and dregs etc. excellent
Point is flue gas purifying method more satisfactory at present.In the desulfurization including activated carbon adsorber and Analytic Tower (or regenerator), take off
In nitre device, active carbon purifying tower (or adsorption tower) exists for adsorbing oxysulfide, nitrogen oxides, dioxin from flue gas or exhaust gas
Interior pollutant, activated carbon Analytic Tower are used for the hot recycling of the activated carbon in adsorption tower.
Flue gas introduces adsorption tower via pipeline by booster fan, and purified flue gas enters the main smoke stack emission of sintering.Due to
The excessively high absorption that can be unfavorable for sulfur dioxide of flue-gas temperature, while it is possible that can cause activated carbon burning cause safety accident,
Bypass channel is additionally provided with before booster fan, cooling is drawn air into using the suction of booster fan.Adsorption tower absorption pollution
Activated carbon after object saturation is discharged by bottom, and the activated carbon of discharge is delivered to Analytic Tower by activated carbon conveyer, carries out activated carbon
Regeneration.The effect of Analytic Tower is by the SO of activated carbon adsorption2It releases, while stops in 400 DEG C or more of temperature with certain
It stays under the time, more than 80% dioxin decomposable asymmetric choice net, activated carbon is delivered to adsorption tower again again after cooling down, sieving through transmission device
It utilizes, the SO released2It is then delivered to relieving haperacidity workshop section and produces H2SO4。
It is influenced by smoke components, the SO parsed2A small amount of highly acid containing heavy metal can be generated in acid manufacturing processes to give up
Water, abbreviation waste acid.Not only it is higher than common industrial wastewater containing the harmful toxic matters such as heavy metal and content in waste acid, also containing highly concentrated
The Cl of degree-、NH4 +、F-Deng, at the same COD in waste acid (COD, be chemical method measure need to be aoxidized in water sample also
Immunogenic substance, such as the amount of organic matter, nitrite, ferrous salt etc.) numerical value is big, and it is contaminated serious, it is big to environmental hazard.Cause
This, has certain importance and urgency to the processing of waste water that off-gas recovery relieving haperacidity generates.
In off-gas recovery acid making system, common practice is that Wastewater from Acid Preparation is delivered to waste water processing station or waste water treatment plant
It is focused on, generally using chemical precipitations processing modes such as lime neutralization precipitation, sulfide precipitations.Chemical precipitation method is logical
It crosses and launches lime, the chemical agents such as sulfide and the metal ion in waste water ion precipitation occurs, using coagulating treatment, clear
Clearly, the processes such as dehydration make that treated waste water quality reach discharge standard.This processing mode long flow path, operating cost is high, needs
It will individually chemical medicine system, but also there are fluctuations of service, there is high-concentration salt-containing wastewater row outside, generate a large amount of secondary
The problems such as pollutant (such as heavy metal waste slag) is difficult to handle.
Utility model content
To overcome the problems, such as the above-mentioned prior art, the utility model provides a kind of method using fume afterheat processing waste water
And its system, the system for especially handling Wastewater from Acid Preparation.The utility model increases waste water steaming in activated carbon flue gas purification system
Tower and deduster are sent out, using flue gas as heat source, introducing waste water evaporating column makes waste water evaporation gasify, using introducing flue gas after dedusting
It is discharged after purifying column desulphurization denitration, the utility model wastewater treatment process is simple, reduces energy waste, is only produced in whole process
Raw dust useless on a small quantity, greatly reduces environmental pollution rate.
The first embodiment according to the present utility model, provides a kind of waste water treatment system.
A kind of waste water treatment system, the system include column for smoke purification, and column for smoke purification is equipped with gas cleaning tower flue gas
Entrance；Column for smoke purification smoke inlet is connect with smoke conveying duct；Smoke conveying duct separates flue gas branch, flue gas branch road
It is equipped with waste water evaporating column, deduster successively；Waste water evaporating column is equipped with smoke inlet, exhanst gas outlet, waterwater entrance, waste water evaporation
Tower solid outlet；Deduster is equipped with gas access, gas vent, deduster solid outlet；Smoke conveying duct separates flue gas
Branch is connected to the smoke inlet of waste water evaporating column, and the exhanst gas outlet of waste water evaporating column is connected to dedusting by the first conveyance conduit
Gas access on device, the gas vent of deduster are connected to smoke conveying duct by the second conveyance conduit；Waste water evaporating column
Waterwater entrance connect with waste water conveyance conduit.Waste water comes from acid making system, and the latter utilizes the acid exported from activated carbon Analytic Tower
Property gas carry out relieving haperacidity.
Preferably, smoke conveying duct is equipped with the first booster fan.Preferably, the first booster fan is arranged on
The downstream of two conveyance conduits and smoke conveying duct link position.
Preferably, the second conveyance conduit is equipped with the second booster fan.
Preferably, the system further includes acid making system.The wastewater outlet of acid making system is connect with waste water conveyance conduit, is given up
The waterwater entrance of the end connection waste water evaporating column of water conveyance conduit.
Preferably, air pipeline is connected on smoke conveying duct.Preferably, air pipeline is connected to the second conveying
Between pipeline and the link position and the first booster fan of smoke conveying duct.
Preferably, the first flow control valve of flue gas branch road.First flow control valve is arranged on waste water evaporating column
Upstream.
Preferably, air pipeline is equipped with second flow control valve.
Preferably, the smoke inlet on waste water evaporating column is arranged on tower body bottom or the lower sidewall of waste water evaporating column.
Preferably, the waterwater entrance on waste water evaporating column is arranged on the top of waste water evaporating column.
Preferably, the exhanst gas outlet on waste water evaporating column is arranged on the top of waste water evaporating column.
Preferably, the bottom of waste water evaporating column is equipped with ash bucket, waste water evaporating column solid outlet is arranged on the bottom of ash bucket.
In the utility model, atomizer is equipped in waste water evaporating column.Atomizer is arranged on the upper of waste water evaporating column
Portion, waste water conveyance conduit are connect by waterwater entrance with atomizer.
Preferably, the second conveyance conduit is equipped with flapper valve.Preferably, flapper valve is arranged on the second booster fan
Downstream.
Preferably, the system further includes chimney, column for smoke purification is equipped with column for smoke purification exhanst gas outlet；Gas cleaning
Tower flue gas outlet is connect with chimney.
In the utility model, the deduster is gravitational precipitator, gravel bed filter, sack cleaner or electric precipitation
One or several kinds of combinations in device, preferably bag filter.
A kind of purification method for effluent or the processing method for coming from the waste water in the acid making system of desulfuring and denitrifying apparatus, should
Method includes the following steps：
1) under the action of the first booster fan, the high-temperature flue gas in smoke conveying duct adjusts flue gas via air pipeline
Enter column for smoke purification after temperature, column for smoke purification adsorbs flue gas, purify after flue gas be discharged and (such as be emitted into cigarette
Chimney)；
2) (waste water comes from acid making system to waste water to be treated, and the latter utilizes the acid exported from activated carbon Analytic Tower
Property gas carry out relieving haperacidity) enter in waste water evaporating column via waste water conveyance conduit, waste water is by atomizer in waste water evaporating column
It is atomization, at the same time, first flow control valve is adjusted, part high-temperature flue gas enters waste water evaporating column, mist via flue gas branch
Waste water after change contacts mixing in waste water evaporating column with high-temperature flue gas, and strong heat exchange occurs for gas-liquid contact, and waste water evaporation becomes
Into vaporous water, the salinity in waste water becomes solid-state and settles (in ash bucket) with impurity；
3) flue gas enters deduster under the swabbing action of the second booster fan with the vaporous water after evaporation with flue gas, removes
Solid matter in flue gas is intercepted and is discharged, while the flue gas that will remove solid matter again by the solid outlet of bottom by dirt device
Be sent into smoke conveying duct, flue gas adsorbs by column for smoke purification, purify after flue gas be discharged (such as being emitted into chimney).
4) in waste water evaporating column, after waste water and smoke contacts, the waste water (vapor form) after evaporation enters with flue gas to be removed
Dirt device, wherein the solid matter formed is dropped through the ash bucket of waste water evaporation tower bottom, waste water evaporating column solid outlet is arranged outside.
In the utility model, waste water enters waste water evaporating column along waste water input pipe, and atomizer is atomized waste water, expands
The contact area of flue gas and waste water, air inlet and the exhaust outlet of waste water evaporating column are separately positioned on the bottom of waste water evaporating column tower body
And top, extend the time of contact of flue gas and waste water, using the abundant evaporating waste water of the waste heat of flue gas, first flow can also be passed through
Control valve adjusts the amount into the high-temperature flue gas of waste water evaporating column.The waste water efferent duct of waste water conveyance conduit and acid making system or
Wastewater holding chamber connects, it is preferred that waste water conveyance conduit is equipped with water pump, for extracting waste water and adjusting waste water input quantity.
In waste water evaporating column, after waste water evaporation, in gaseous state, while a small amount of deposit is generated, such as heavy metallic salt, dust
It falls under the effect of gravity Deng, a small amount of deposit and the ash bucket of tower bottom can be evaporated by waste water discharge.
In the utility model, deduster mainly plays filtering, dustproof function, deduster to by evaporation after waste water with
Flue gas is filtered, and solid matter is discharged from the ash bucket of deduster bottom, and gaseous material is introduced into gas cleaning by deduster
It is discharged after tower purification.
In general, sintering flue gas temperature is about 110-250 DEG C, heat source can be used as to be used for evaporating waste water, but cigarette
A part of heat will necessarily be lost after gas evaporating waste water, flue-gas temperature can decrease, once it is reduced to flue gas acid dew point (about
130 ± 25 DEG C) acid cure knot, the devices such as corrosion pipeline, deduster will occur below.Can be controlled by first flow into
Enter the flow of flue gas in flue gas branch, so as to control waste water evaporating column, in deduster flue gas temperature, control flue-gas temperature is higher than
Acid dew point value, avoids the occurrence of acid cure knot, corrosion device, extends the service life of device.
In the utility model, first flow regulating valve, the flue gas flow in control and adjusting flue gas branch, setting are set
Second flow regulating valve, control and adjusts the air input in air pipeline, device is out of service or maintenance process in, also
The input of flue gas, easy access, not shadow can be blocked by adjusting first flow regulating valve, second flow regulating valve, flapper valve
Ring sintering system production.Flue gas is leaked from baffle in order to prevent, and flapper valve is using uniaxial double baffles.
In the utility model, the gas vent of column for smoke purification (or flue gas adsorption tower) is connect with chimney, purification
Gas afterwards passes through smoke stack emission.Preferably, the device can also be connect with activated carbon thermal analysis apparatus, column for smoke purification
The activated carbon that polluter has been adsorbed in (or flue gas adsorption tower) is admitted to solution in activated carbon Analytic Tower (or regenerating active carbon tower)
Analysis, wherein generating rich in SO2Gas for producing the concentrated sulfuric acid, realize the SO in waste water, flue gas2Recycling.
In the utility model, " activated carbon adsorber ", " active carbon purifying tower ", " column for smoke purification ", " flue gas adsorbs
Tower " is identical concept, is used interchangeably.
In the utility model, the discharge port of an equipment refers to " connection " of the feed inlet of another equipment by defeated
The material branch mode that the both ends of equipment (such as conveyer or pipeline) is sent to be realized.For example, the discharge port from an equipment unloads
Under material the feed inlet of (entrance) another equipment is transported to by conveying equipment.Conveying equipment described here include but
It is not limited to：Conveyer or pipeline.
In the utility model, " upstream ", " downstream ", " end " are the direction settings according to flow of flue gas in pipeline.
" top ", " bottom " are set according to the short transverse of device.
Compared with prior art, the utility model has following advantageous effects：
1st, process flow is simple, solves Wastewater from Acid Preparation processing problem.The utility model is in activated carbon flue gas purification system
Waste water evaporating column, deduster and flue are added, extension flue gas evaporates waste water as heat source from the first pipeline, then
Further dedusting, the subsequent step of wastewater treatment then using in existing flue gas purification system benefit air-valve, column for smoke purification is to steaming
It sends out the waste water after dedusting and carries out cooling, purifying, entire process flow is very simple, and fully solves Wastewater from Acid Preparation processing problem.
2nd, wastewater reduction only generates useless dust on a small quantity.A large amount of waste water gasification is inhaled through column for smoke purification after waste water evaporation
It is discharged after attached purification, only can generate minimal amount of useless dust, do not only reached discharge standard, and harmful gas after waste water gasification
Body is all fully absorbed by adsorption tower, greatly reduces environmental pollution rate.
3rd, using fume afterheat, energy waste is reduced.Flue gas self-temperature is very high, it is necessary to by way of filling into air
Ability purified treatment after being cooled down, the utility model utilize fume afterheat evaporating waste water, reduce energy waste.It can reduce simultaneously
Flue-gas temperature in flue gas purification system, reduction fill into air capacity, reduce flue gas purification system operating cost.
4th, device is stable, at low cost.The utility model is easy to operate, does not need to the complicated pipe-line equipment of input and anti-
Device is answered, whole device is stable, and input cost is low.
Description of the drawings
Fig. 1 is a kind of structure diagram of waste water treatment system of the utility model；
Fig. 2 is a kind of another design structure schematic diagram of waste water treatment system of the utility model.
Reference numeral：1：Column for smoke purification；101：Column for smoke purification smoke inlet；2：Waste water evaporating column；201：Flue gas enters
Mouthful；202：Exhanst gas outlet；203：Waterwater entrance；204：Waste water evaporating column solid outlet；205：Atomizer；3：Deduster；
301：Gas access；302：Gas vent；303：Deduster solid outlet；4：First booster fan；5：Second booster fan；6：
First flow control valve；7：Second flow control valve；8：Ash bucket；9：Flapper valve；10：Chimney；L1：Smoke conveying duct；L2：Cigarette
Gas branch；L3：First conveyance conduit；L4：Second conveyance conduit；L5：Waste water conveyance conduit；L6：Air pipeline；M：Relieving haperacidity system
System.
Specific embodiment
The first embodiment according to the present utility model, provides a kind of waste water treatment system, particularly provides a kind of profit
With the system of fume afterheat processing Wastewater from Acid Preparation.
A kind of waste water treatment system, the system include column for smoke purification 1, and column for smoke purification 1 is equipped with column for smoke purification cigarette
Gas entrance 101；Column for smoke purification smoke inlet 101 is connect with smoke conveying duct L1；Smoke conveying duct L1 separates flue gas branch
Waste water evaporating column 2, deduster 3 are equipped on road L2, flue gas branch L2 successively；Waste water evaporating column 2 is equipped with smoke inlet 201, cigarette
Gas outlet 202, waterwater entrance 203, waste water evaporating column solid outlet 204；Deduster 3 is equipped with gas access 301, gas vent
302nd, deduster solid outlet 303；Smoke conveying duct L1 separates the smoke inlet that flue gas branch L2 is connected to waste water evaporating column 2
201, the exhanst gas outlet 202 of waste water evaporating column 2 is connected to the gas access 301 on deduster 3 by the first conveyance conduit L3, removes
The gas vent 302 of dirt device 3 is connected to smoke conveying duct L1 by the second conveyance conduit L4；The waste water of waste water evaporating column 2 enters
Mouth 203 is connect with waste water conveyance conduit L5 (waste water comes from acid making system).
Preferably, smoke conveying duct L1 is equipped with the first booster fan 4.Preferably, the first booster fan 4 is set
In the downstream of the second conveyance conduit L4 and smoke conveying duct L1 link positions.
Preferably, the second conveyance conduit L4 is equipped with the second booster fan 5.
Preferably, the system further includes acid making system M.The wastewater outlet of acid making system M connects with waste water conveyance conduit L5
It connects, the waterwater entrance 203 of the end connection waste water evaporating column 2 of waste water conveyance conduit L5.
Preferably, air pipeline L6 is connected on smoke conveying duct L1.Preferably, air pipeline L6 is connected to
Between the link position of two conveyance conduit L4 and smoke conveying duct L1 and the first booster fan 4.
Preferably, the first flow control valve 6 on flue gas branch L2.First flow control valve 6 is arranged on waste water evaporation
The upstream of tower 2.
Preferably, air pipeline L6 is equipped with second flow control valve 7.
Preferably, the smoke inlet 201 on waste water evaporating column 2 is arranged on tower body bottom or the side wall of waste water evaporating column 2
Lower part.
Preferably, the waterwater entrance 203 on waste water evaporating column 2 is arranged on the top of waste water evaporating column 2.
Preferably, the exhanst gas outlet 202 on waste water evaporating column 2 is arranged on the top of waste water evaporating column 2.
Preferably, the bottom of waste water evaporating column 2 is equipped with ash bucket 8, waste water evaporating column solid outlet 204 is arranged on ash bucket 8
Bottom.
In the utility model, atomizer 205 is equipped in waste water evaporating column 2.Atomizer 205 is arranged on waste water evaporation
The top of tower 2, waste water conveyance conduit L5 are connect by waterwater entrance 203 with atomizer 205.
Preferably, the second conveyance conduit L4 is equipped with flapper valve 9.Preferably, flapper valve 9 is arranged on the second supercharging wind
The downstream of machine 5.
Preferably, the system further includes chimney 10, column for smoke purification 1 is equipped with column for smoke purification exhanst gas outlet 102；Cigarette
Gas purifying column exhanst gas outlet 102 is connect with chimney 10.
In the utility model, the deduster 3 is removed for gravitational precipitator, gravel bed filter, sack cleaner or electricity
One or several kinds of combinations in dirt device, preferably bag filter.
A kind of wastewater treatment method or a kind of method using above device, include the following steps：
1) under the action of the first booster fan 4, the high-temperature flue gas in smoke conveying duct L1 is via air pipeline L6 tune
Enter column for smoke purification 1 after whole flue-gas temperature, column for smoke purification 1 adsorbs flue gas, purify after flue gas be discharged and (such as arrange
It puts to chimney 10)；
2) (waste water comes from acid making system to waste water to be treated, and the latter utilizes the acid exported from activated carbon Analytic Tower
Property gas carry out relieving haperacidity) enter in waste water evaporating column 2 via waste water conveyance conduit L5, waste water is by atomizer 205 in waste water
Evaporating column 2 is atomization, and at the same time, adjustment first flow control valve 6, part high-temperature flue gas enters waste water via flue gas branch L2
Evaporating column 2, the waste water after atomization contact mixing in waste water evaporating column 2 with high-temperature flue gas, and strong heat exchange occurs for gas-liquid contact,
Waste water, which evaporates, becomes vaporous water, and the salinity in waste water becomes solid-state and settle (in ash bucket 8) with impurity；
3) flue gas enters deduster 3 under the swabbing action of the second booster fan 5 with the vaporous water after evaporation with flue gas,
Solid matter in flue gas is intercepted and is discharged, while will remove solid matter again by the solid outlet 303 of bottom by deduster 3
Flue gas be sent into smoke conveying duct L1, flue gas, which is discharged, after flue gas is adsorbed, purified by column for smoke purification 1 (such as is emitted into cigarette
Chimney 10).
In waste water evaporating column 2, after waste water and smoke contacts, the waste water after evaporation enters deduster 3, wherein shape with flue gas
Into solid matter be dropped through outside the ash bucket 9 of 2 bottom of waste water evaporating column, waste water evaporating column solid outlet 204 and arrange.
Embodiment 1
As shown in Figure 1, a kind of waste water treatment system, which includes column for smoke purification 1, and column for smoke purification 1 is equipped with cigarette
Gas purifying column smoke inlet 101；Column for smoke purification smoke inlet 101 is connect with smoke conveying duct L1；Smoke conveying duct L1
Flue gas branch L2 is separated, waste water evaporating column 2, deduster 3 are equipped with successively on flue gas branch L2；Waste water evaporating column 2 is equipped with flue gas
Entrance 201, exhanst gas outlet 202, waterwater entrance 203, waste water evaporating column solid outlet 204；Deduster 3 is equipped with gas access
301st, gas vent 302, deduster solid outlet 303；Smoke conveying duct L1 separates flue gas branch L2 connection smoke inlets
201, exhanst gas outlet 202 is connected to the gas access 301 on deduster 3 by the first conveyance conduit L3, and gas vent 302 passes through
Second conveyance conduit L4 is connected to smoke conveying duct L1；Waterwater entrance 203 is connect with waste water conveyance conduit L5.The deduster
3 be bag filter.
Embodiment 2
As shown in Fig. 2, repeating embodiment 1, only smoke conveying duct L1 is equipped with the first booster fan 4, the first supercharging
Wind turbine 4 is arranged on the downstream of the second conveyance conduit L4 and smoke conveying duct L1 link positions.Second conveyance conduit L4 is equipped with
Second booster fan 5.The system further includes acid making system M.The wastewater outlet of acid making system M is connect with waste water conveyance conduit L5,
The end connection waterwater entrance 203 of waste water conveyance conduit L5.Air pipeline L6, air pipeline are connected on smoke conveying duct L1
L6 is connected between the link position of the second conveyance conduit L4 and smoke conveying duct L1 and the first booster fan 4.Flue gas branch
First flow control valve 6 on L2, first flow control valve 6 are arranged on the upstream of waste water evaporating column 2.Air pipeline L6 is equipped with
Second flow control valve 7.Smoke inlet 201 on waste water evaporating column 2 is arranged on the tower body lower sidewall of waste water evaporating column 2.It is useless
Waterwater entrance 203 on water evaporation tower 2 is arranged on the top of waste water evaporating column 2.Exhanst gas outlet 202 on waste water evaporating column 2 is set
It puts at the top of waste water evaporating column 2.The bottom of waste water evaporating column 2 is equipped with ash bucket 8, and waste water evaporating column solid outlet 204 is arranged on
The bottom of ash bucket 8.Atomizer 205 is equipped in waste water evaporating column 2.Atomizer 205 is arranged on the top of waste water evaporating column 2,
Waste water conveyance conduit L5 is connect by waterwater entrance 203 with atomizer 205.Second conveyance conduit L4 is equipped with flapper valve 9.It is excellent
Choosing, flapper valve 9 are arranged on the downstream of the second booster fan 5.The system further includes chimney 10, and column for smoke purification 1 is equipped with
Column for smoke purification exhanst gas outlet 102；Column for smoke purification exhanst gas outlet 102 is connect with chimney 10.The deduster 3 is gravitational dust collection
Device.
Use the method for embodiment 2：A kind of purification method for effluent or the method using above device, including following step
Suddenly：
1) under the action of the first booster fan 4, the high-temperature flue gas in smoke conveying duct L1 is via air pipeline L6 tune
Enter column for smoke purification 1 after whole flue-gas temperature, column for smoke purification 1 adsorbs flue gas, purify after discharge (such as be emitted into cigarette
Chimney 10)；
2) waste water to be treated enters waste water evaporating column 2 via waste water conveyance conduit L5, and waste water passes through atomizer 205
It is atomization in waste water evaporating column 2, at the same time, adjustment first flow control valve 6, part high-temperature flue gas via flue gas branch L2 into
Enter waste water evaporating column 2, the waste water after atomization contacts mixing in waste water evaporating column 2 with high-temperature flue gas, and gas-liquid contact occurs strong
Heat exchange, waste water, which evaporates, becomes vaporous water, and the salinity in waste water becomes solid-state with impurity；
3) flue gas enters deduster 3 with the waste water after evaporation under the action of the second booster fan 5, and deduster 3 will be solid
State substance intercept after, then by flue gas be sent into smoke conveying duct L1, flue gas adsorbed, purify by column for smoke purification 1 after discharge (such as
It is emitted into chimney 10).
4) in waste water evaporating column 2, after waste water and smoke contacts, the waste water after evaporation enters deduster 3 with flue gas, wherein
The solid matter of formation is dropped through outside the ash bucket 9 of 2 bottom of waste water evaporating column, waste water evaporating column solid outlet 204 and arranges.
Claims (23)
1. a kind of waste water treatment system, which includes column for smoke purification (1), and column for smoke purification (1) is equipped with column for smoke purification
Smoke inlet (101)；Column for smoke purification smoke inlet (101) is connect with smoke conveying duct (L1)；Smoke conveying duct (L1)
Flue gas branch (L2) is separated, waste water evaporating column (2), deduster (3) are equipped with successively on flue gas branch (L2)；Waste water evaporating column (2)
It is equipped with smoke inlet (201), exhanst gas outlet (202), waterwater entrance (203), waste water evaporating column solid outlet (204)；Dedusting
Device (3) is equipped with gas access (301), gas vent (302), deduster solid outlet (303)；Smoke conveying duct (L1) point
Go out the smoke inlet (201) that flue gas branch (L2) is connected to waste water evaporating column (2), the exhanst gas outlet (202) of waste water evaporating column (2)
The gas access (301) on deduster (3), the gas vent (302) of deduster (3) are connected to by the first conveyance conduit (L3)
Smoke conveying duct (L1) is connected to by the second conveyance conduit (L4)；The waterwater entrance (203) and waste water of waste water evaporating column (2)
Conveyance conduit (L5) connects.
2. system according to claim 1, it is characterised in that：Smoke conveying duct (L1) is equipped with the first booster fan
(4)；And/or
Second conveyance conduit (L4) is equipped with the second booster fan (5).
3. system according to claim 2, it is characterised in that：First booster fan (4) is arranged on the second conveyance conduit
(L4) with the downstream of smoke conveying duct (L1) link position.
4. the system according to Claims 2 or 3, it is characterised in that：The system further includes acid making system (M), acid making system
(M) wastewater outlet is connect with waste water conveyance conduit (L5), the end connection waste water evaporating column (2) of waste water conveyance conduit (L5)
Waterwater entrance (203)；And/or
Air pipeline (L6) is connected on smoke conveying duct (L1).
5. system according to claim 4, it is characterised in that：Air pipeline (L6) be connected to the second conveyance conduit (L4) with
Between the link position of smoke conveying duct (L1) and the first booster fan (4).
6. system according to claim 4, it is characterised in that：First flow control valve (6) on flue gas branch (L2), the
Flow control valve (6) is arranged on the upstream of waste water evaporating column (2)；And/or
Air pipeline (L6) is equipped with second flow control valve (7).
7. system according to claim 5, it is characterised in that：First flow control valve (6) on flue gas branch (L2), the
Flow control valve (6) is arranged on the upstream of waste water evaporating column (2)；And/or
Air pipeline (L6) is equipped with second flow control valve (7).
8. the system according to any one of claim 1-3,5-7, it is characterised in that：Flue gas on waste water evaporating column (2)
Entrance (201) is arranged on tower body bottom or the lower sidewall of waste water evaporating column (2)；And/or
Waterwater entrance (203) on waste water evaporating column (2) is arranged on the top of waste water evaporating column (2).
9. system according to claim 4, it is characterised in that：Smoke inlet (201) on waste water evaporating column (2) is arranged on
The tower body bottom of waste water evaporating column (2) or lower sidewall；And/or
Waterwater entrance (203) on waste water evaporating column (2) is arranged on the top of waste water evaporating column (2).
10. according to the system described in claim 1-3,5-7, any one of 9, it is characterised in that：Cigarette on waste water evaporating column (2)
Gas outlet (202) is arranged on the top of waste water evaporating column (2)；And/or
The bottom of waste water evaporating column (2) is equipped with ash bucket (8), and waste water evaporating column solid outlet (204) is arranged on the bottom of ash bucket (8)
Portion.
11. system according to claim 4, it is characterised in that：Exhanst gas outlet (202) setting on waste water evaporating column (2)
At the top of waste water evaporating column (2)；And/or
The bottom of waste water evaporating column (2) is equipped with ash bucket (8), and waste water evaporating column solid outlet (204) is arranged on the bottom of ash bucket (8)
Portion.
12. according to the system described in claim 1-3,5-7,9, any one of 11, it is characterised in that：In waste water evaporating column (2)
Equipped with atomizer (205), atomizer (205) is arranged on the top of waste water evaporating column (2), and waste water conveyance conduit (L5) passes through
Waterwater entrance (203) is connect with atomizer (205).
13. system according to claim 4, it is characterised in that：Atomizer (205), mist are equipped in waste water evaporating column (2)
Change the top that nozzle (205) is arranged on waste water evaporating column (2), waste water conveyance conduit (L5) passes through waterwater entrance (203) and atomization
Nozzle (205) connects.
14. according to the system described in claim 2,3,5-7,9,11, any one of 13, it is characterised in that：Second conveyance conduit
(L4) it is equipped with flapper valve (9).
15. system according to claim 4, it is characterised in that：Second conveyance conduit (L4) is equipped with flapper valve (9).
16. system according to claim 14, it is characterised in that：Flapper valve (9) is arranged under the second booster fan (5)
Trip.
17. system according to claim 15, it is characterised in that：Flapper valve (9) is arranged under the second booster fan (5)
Trip.
18. according to the system described in any one of claim 1-3,5-7,9,11,13,15-17, it is characterised in that：The system
Chimney (10) is further included, column for smoke purification (1) is equipped with column for smoke purification exhanst gas outlet (102)；Column for smoke purification exhanst gas outlet
(102) it is connect with chimney (10).
19. system according to claim 4, it is characterised in that：The system further includes chimney (10), column for smoke purification (1)
It is equipped with column for smoke purification exhanst gas outlet (102)；Column for smoke purification exhanst gas outlet (102) is connect with chimney (10).
20. according to the system described in claim 1-3,5-7,9,11,13,15-17, any one of 19, it is characterised in that：It is described
Deduster (3) is one or several kinds of groups in gravitational precipitator, gravel bed filter, sack cleaner or electric precipitator
It closes.
21. system according to claim 4, it is characterised in that：The deduster (3) is gravitational precipitator, stratum granulosum removes
One or several kinds of combinations in dirt device, sack cleaner or electric precipitator.
22. system according to claim 20, it is characterised in that：The deduster (3) is bag filter.
23. system according to claim 21, it is characterised in that：The deduster (3) is bag filter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018858.6U CN207581406U (en) | 2017-08-15 | 2017-08-15 | A kind of waste water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018858.6U CN207581406U (en) | 2017-08-15 | 2017-08-15 | A kind of waste water treatment system |
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| CN207581406U true CN207581406U (en) | 2018-07-06 |
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ID=62717852
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979499A (en) * | 2021-11-08 | 2022-01-28 | 四川天人能源科技有限公司 | Process for recycling flue gas of waste water combined boiler |
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2017
- 2017-08-15 CN CN201721018858.6U patent/CN207581406U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979499A (en) * | 2021-11-08 | 2022-01-28 | 四川天人能源科技有限公司 | Process for recycling flue gas of waste water combined boiler |
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