CN206642582U - Coking waste gas, waste water combined purifying system - Google Patents
Coking waste gas, waste water combined purifying system Download PDFInfo
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- CN206642582U CN206642582U CN201720384717.XU CN201720384717U CN206642582U CN 206642582 U CN206642582 U CN 206642582U CN 201720384717 U CN201720384717 U CN 201720384717U CN 206642582 U CN206642582 U CN 206642582U
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- waste water
- waste gas
- coking
- waste
- reaction tower
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Abstract
The utility model discloses a kind of coking waste gas, waste water combined purifying system, it includes waste gas cleaning system waste water purification system and dust arrester, the waste gas cleaning system includes reaction tower, nitrogen storage tank, active coke regeneration device, active coke powder collector, activated coke distributing device, the waste water purification system includes sewage pretreatment device, sedimentation and filtration ditch, bioactive coke pond, active coke regeneration device, RO reverse osmosis units, reuse pool and MVR evaporated crystallization devices, it can be saved space area using the utility model, economize on resources with it is cost-effective, the ultra-clean discharge and the net zero-emission of waste water of waste gas are disclosure satisfy that simultaneously.
Description
Technical field
It the utility model is related to aqueous vapor purifying system, and in particular to coking waste gas, waste water combined purifying system.
Background technology
China is the big producer of world's coke first and big export country, and yield accounts for more than the 50% of world's coke output, burnt
Charcoal industry also brings serious environmental pollution while steel, industries like chemical engineering and machinery development need is met.
Waste gas discharge carries a large amount of dust, sulfide, nitride and a small amount of heavy metals, coal tar metaplasia in coking production process
The waste water for producing process discharge is then empty with substantial amounts of COD, ammonia nitrogen, petroleum hydrocarbons, the discharge of these poisonous and harmful substances, pollution
Gas, polluted source, health of human body is endangered seriously, the ecological balance is destroyed.
At present, most of coal chemical enterprise is still without pollution treatment facility, only fraction large and medium-sized state-owned enterprise and few private
Enterprise configuration pollution treatment facility, also it is often to handle not up to standard, or equipment is even if being equipped with limited environmental practice still
Can not normal operation, it is or even clear-cut on the shelf, thus supervision not enough, irregular marketing, green technology fall behind is to cause
The principal element of this situation.
Due to complicated component in coker offgas, waste water, the processing of waste gas, waste water uses single cleaning system, Er Qiexiang
Mutually ask and do not associate, waste gas purification processing is typically purified using dedusting, desulfurization, out of stock device, but desulfurization and denitration dress
The device of two separation is set to, occupied ground area is larger, while desulphurization and denitration device generally requires spray cooling, flue gas punching
It is less than acid dew point containing steam and temperature, easily to flue and chimney corrosion, it is necessary to do preservative treatment to flue and chimney；Waste water is net
Change processing predominantly single physics, chemistry, the method for biology, be all difficult to that one must be thorough in exterminating an evil.
For example, Chinese Patent Application No. 201511027627.7 discloses a kind of waste gas cleaning system, including：Gas-vapor mix
Room, guide device is provided with gas-vapor mix room, to realize that water mixes with the first of gas；Helical mixing channel, for realizing water
Mixed with second of gas；Atomization unit, for by water and aerosolization, realizing that water mixes with the third time of gas；Aqueous vapor separation chamber,
For by the gentle separation of water.The present invention gradually steps up the mixability of water and gas, increases both connect by least mixing three times
Response area is touched, has reached the cleaning performance of air mass minimum；Purifying rate is high, and the tail gas after evolution can realize low-altitude discharged；
The vortex formed using waste gas drives rinse water, realizes mixing, without being additionally provided cleaning water jet device, save equipment into
This；Offgas outlet pipeline is provided with bending segment, middle part and the wastewater outlet pipeline connection of bending segment, realizes recovery offgas outlet
The purpose of settled wastewater in pipeline, protection equipment, improve clean-up effect.But the invention can only purify waste gas, it is impossible at the same it is net
Change waste water.
Utility model content
The utility model purpose is to provide a kind of coking waste gas, waste water combined purifying system, to solve to deposit in the prior art
Above-mentioned deficiency.
To achieve the above object, the coking waste gas, waste water combined purifying system include：Waste water purification system, waste gas are net
Change system, dust arrester, the reaction of coking system, waste gas cleaning system that dust arrester is set by waste water purification system respectively
The air inlet that tower is set connects with waste water purification system, waste gas cleaning system；
The waste water purification system includes coking system, the sewage pretreatment device being sequentially communicated with coking system, precipitation
Filtering ponds, bioactivity pond, RO reverse osmosis units, MVR politics and law connect close to device, wherein, bioactivity pond regenerates with activated coke
Device is connected, and RO reverse osmosis units can be connected with can be connected with pond with pond with coking system；
The waste gas cleaning system includes：The charging aperture that reaction tower top is set, the outlet that reaction tower upper right is set
Mouthful, the ammonia air inlet that reaction tower right side central is set, ammonia air inlet stores Tibetan tank with ammonia and connected, and reaction tower bottom is set
Discharging opening, reaction tower lower left side set air inlet, and charging aperture connects with activated coke distributing device, and discharging opening fills with activated coke regeneration
Put and be sequentially communicated with active coke powder collector.
Further, gas outlet connects with chimney.
Further, reaction tower is the cylindrical tank provided with taper tower top and conical tower bottom.
Further, charging aperture is provided with closure.
Further, discharging opening is provided with valve.
Coking waste gas described in the utility model, waste water combined purifying system have the beneficial effect that：
1st, the utility model is used in combination by waste gas cleaning system and waste water purification system, will be produced in waste gas cleaning system
Supplement of the raw active coke powder as the activated coke needed for coking chemical waste water cleaning system, significantly economizes on resources；
2nd, coking waste gas described in the utility model, waste water combined purifying system are by setting reaction tower so that fine dedusting
With desulfurization, it is out of stock completed in an equipment, save build place；
3rd, coking waste gas described in the utility model, waste water combined purifying system use reaction tower, fine dedusting, desulfurization and de-
Nitre is carried out under normal conditions, and without spray cooling, the purifying smoke moisture content of discharge is low, and temperature is far above more than acid dew point,
It is not required to do preservative treatment, investment reduction to follow-up flue, chimney；
4th, coking waste gas described in the utility model, the desulfuration efficiency of waste water combined purifying system are out of stock up to more than 95%
Efficiency is up to more than 90%, and dust-laden is less than 10mg/m in neat stress3, disclosure satisfy that the ultra-clean discharge of waste gas；
5th, coking waste gas described in the utility model, waste water combined purifying system using bioactive coke pond to wastewater treatment,
The characteristic of activated coke is made full use of, the COD in waste water is efficiently removed, the net zero-emission of waste water can be met completely.
Brief description of the drawings
Fig. 1 is coking waste gas described in the utility model, waste water combined purifying system structure diagram；
Fig. 2 is that coking waste gas described in the utility model, the reaction tower of waste water combined purifying system and ammonia storage tank are mutual
The structural representation of connection.
Shown in figure：100- waste water purification systems；101- coking systems；6- sewage pretreatment devices；7- sedimentation and filtration ditches；
8- bioactive cokes pond；The active coke regeneration devices of 9- second；10-RO reverse osmosis units；11- reuse pools；12-MVR evaporation knots
Brilliant device；200- waste gas cleaning systems；21- reaction towers；22- ammonia storage tanks；23- chimneys；211- charging apertures；212- discharges
Mouthful；213- gas outlets；214- air inlets；215- ammonia air inlets；The active coke regeneration devices of 3- first；4- activated coke distributing devices；
5- activity coke powder collectors；300- dust arresters.
Embodiment
With reference to Figure of description be discussed in detail coking waste gas described in the utility model, waste water combined purifying system tool
Body embodiment.
As shown in figure 1, coking waste gas described in the utility model, waste water combined purifying system include：
Waste water purification system 100, waste gas cleaning system 200, dust arrester 300, wherein, the left end of dust arrester 300 and the right side
The air inlet 214 that end is set with coking system 101 and the downside of reaction tower 21 respectively connects；
The waste water purification system 100 includes coking system 101, the Wastewater Pretreatment being sequentially communicated with coking system 101
Device 6, sedimentation and filtration ditch 7, bioactive coke pond 8, RO reverse osmosis units 10, MVR evaporative crystallizations fill 12, wherein, bioactivity
Burnt pond 8 connects with the second active coke regeneration device 9, and RO reverse osmosis units 10 connect with reuse pool 11, reuse pool 11 and Jiao
Change system 101 connects；
The waste gas cleaning system 200 includes：Reaction tower 21, the charging aperture 211 that the top of reaction tower 21 is set, reaction tower 21
The gas outlet 213 that upper right is set, the ammonia air inlet connected with ammonia storage tank 22 that the right side central of reaction tower 21 is set
215, the discharging opening 212 that the bottom of reaction tower 21 is set, the air inlet connected with dust arrester 300 that the lower left side of reaction tower 21 is set
Mouth 214, the first active coke regeneration device 3, the active coke powder collector 5 being sequentially communicated with discharging opening 212.
Further, gas outlet 213 connects with chimney 23.
Further, reaction tower 21 is the cylindrical tank provided with taper tower top and conical tower bottom.
Further, charging aperture 211 sets closure.
Further, discharging opening 212 is provided with valve.
Coking waste gas described in the utility model, the operation principle of waste water combined purifying system and process are as follows：
As shown in Figure 1-2, the waste gas excluded from coking system 101, the powder that dust arrester 300 removes the overwhelming majority is first passed through
Dirt, the reaction tower 21 entered back into waste gas cleaning system 200, the activated coke entered due to the cloth of activated coke distributing device 4 in reaction tower 21
Suction-operated, sulfur dioxide, heavy metal and fine dust in waste gas are first adsorbed removing, are then stored with ammonia and hide tank 22
The ammonia sprayed into through ammonia air inlet 215 mixes, and issues biochemical reaction in the catalysis of activated coke, nitride is reduced into nitrogen
And water, the flue gas after purification are discharged by chimney 23, the activity for having adsorbed sulfur dioxide, heavy metal and dust in reaction tower 21
Jiao discharges from discharging opening 212, is reused after the regeneration of active coke regeneration device 3, and the activated coke in reaction tower 21 is by setting
The activated coke distributing device 4 put at an upper portion thereof is fed, and active coke powder collector 5 is arranged on the bottom of active coke regeneration device 3,
The activated coke crushed after regeneration is collected, the biology being then sent to broken activated coke in waste water purification system 100
Activated coke pond 8, economizes on resources.
The waste water discharged from coking system 101, first passes through sewage pretreatment device 6, greasy dirt is isolated, it is heavy to enter back into
Shallow lake filtering ponds 7, the mud of the easy precipitation in waste water is understood, it is special by the absorption of activated coke subsequently into bioactive coke pond 8
Property by waste water COD remove, the activated coke for having adsorbed COD is transferred in active carbon regenerating unit 9, by the activated coke weight of regeneration
Multiple to utilize, the waste water for removing COD enters in RO reverse osmosis units 10, and the water after RO reverse-osmosis treateds enters reuse pool 11,
Recycle, and high slat-containing wastewater enters MVR evaporated crystallization devices 12, and packing outward transport is dried after further concentration.
As shown in Fig. 2 waste gas cleaning system 200 includes reaction tower 21 and ammonia storage tank 22, the reaction tower 21 is one
Cylindrical tank provided with taper tower top and conical tower bottom, taper tower top top offer the charging aperture 211 equipped with closure, bored
Shape bottom of towe bottom is provided with and fills valvular discharging opening 212, after being provided with the purification to connect with chimney in the top sidewall of reaction tower 21
Flue gas gas outlet 213, the air inlet 214 of the treated flue gas being connected with dust arrester is provided with its bottom sidewall,
The middle part of reaction tower 21 sets the valvular ammonia air inlet 215 of device, the ammonia air inlet 215 and the phase of ammonia storage tank 22
Connecing, waste gas enters from the bottom of reaction tower 21, is gradually increasing, and by the suction-operated of activated coke by the titanium dioxide in waste gas
Sulphur, heavy metal and fine dust remove, and waste gas mixes continuation with the ammonia entered by ammonia air inlet 215 when rising to middle part
Rise, now activated coke plays a part of catalyst, makes nitride and ammonia that chemical reaction generation nitrogen and water occur, and pass through
Discharged through chimney 23 gas outlet 214.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. coking waste gas, waste water combined purifying system, including：Waste water purification system, waste gas cleaning system, dust arrester, dedusting
The air inlet and waste water of the reaction tower setting of coking system, waste gas cleaning system that device is set by waste water purification system respectively
Cleaning system, waste gas cleaning system connection, it is characterised in that the waste water purification system includes coking system, with coking system
Sewage pretreatment device, sedimentation and filtration ditch, bioactivity pond, RO reverse osmosis units, the MVR crystallizing evaporators being sequentially communicated connect
Logical, bioactivity pond connects with active coke regeneration device, and RO reverse osmosis units connect with reuse tank, and reuse tank connects with coking system
It is logical；The waste gas cleaning system includes：The charging aperture that reaction tower top is set, the gas outlet that reaction tower upper right is set, instead
The ammonia air inlet for answering tower right side central to set, ammonia air inlet store Tibetan tank with ammonia and connected, and what reaction tower bottom was set goes out
Material mouth, the air inlet that reaction tower lower left side is set, charging aperture connect with activated coke distributing device, and discharging opening fills with activated coke regeneration
Put and be sequentially communicated with active coke powder collector.
2. according to coking waste gas, waste water combined purifying system described in claim 1, it is characterised in that gas outlet connects with chimney.
3. according to coking waste gas, waste water combined purifying system described in claim 1, it is characterised in that reaction tower is provided with taper
Tower top and the cylindrical tank at conical tower bottom.
4. according to coking waste gas, waste water combined purifying system described in claim 1, it is characterised in that charging aperture is provided with closure.
5. according to coking waste gas, waste water combined purifying system described in claim 1, it is characterised in that discharging opening is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720384717.XU CN206642582U (en) | 2017-04-13 | 2017-04-13 | Coking waste gas, waste water combined purifying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720384717.XU CN206642582U (en) | 2017-04-13 | 2017-04-13 | Coking waste gas, waste water combined purifying system |
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| CN206642582U true CN206642582U (en) | 2017-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592858A (en) * | 2019-01-29 | 2019-04-09 | 山东明晟环保工程有限公司 | A kind of Coking Plant Wastewater zero-emission concentrated water processing system and its processing method |
-
2017
- 2017-04-13 CN CN201720384717.XU patent/CN206642582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592858A (en) * | 2019-01-29 | 2019-04-09 | 山东明晟环保工程有限公司 | A kind of Coking Plant Wastewater zero-emission concentrated water processing system and its processing method |
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