CN205653309U - Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems - Google Patents
Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems Download PDFInfo
- Publication number
- CN205653309U CN205653309U CN201620372703.1U CN201620372703U CN205653309U CN 205653309 U CN205653309 U CN 205653309U CN 201620372703 U CN201620372703 U CN 201620372703U CN 205653309 U CN205653309 U CN 205653309U
- Authority
- CN
- China
- Prior art keywords
- ammonia
- unit
- still process
- flue gas
- ammonia still
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model provides a coke oven flue gas waste heat utilization and coking wastewater pretreatment systems, belongs to the coke oven flue gas and uses multipurposely and energy -conserving environmental protection technology field. Include flue gas waste heat recovery unit, ammonia still process processing unit, surplus aqueous ammonia ammonia still process unit, induced air unit and coke oven chimney in advance, wherein the coke oven flue gas links to each other with flue gas waste heat recovery unit entry, and flue gas waste heat recovery unit is continuous with surplus aqueous ammonia ammonia still process unit, and ammonia still process processing unit in advance links to each other with surplus aqueous ammonia ammonia still process unit, and the induced air unit links to each other with coke oven chimney flue collector. The advantage lies in, compares with present device, and coke oven flue gas waste heat need not the heat transfer and becomes the direct steam, and reuse steam carries out ammonia still process to the surplus aqueous ammonia, and this has by oneself the flue gas as the coke -oven plant, and the source is sufficient and do not have discarded loss, has realized the effective improvement and the comprehensive utilization of coke oven flue gas.
Description
Technical field
This utility model belongs to flue gases of cock oven comprehensive utilization and energy-conserving and environment-protective technical field, particularly to a kind of coke oven cigarette
Road gas UTILIZATION OF VESIDUAL HEAT IN and coking chemical waste water pretreatment system.
Background technology
Flue gases of cock oven is to produce after coke oven heating system burning, point flue temperature below 300 DEG C, the temperature of flue collector
Between degree is about 220 DEG C～280 DEG C, flue gas contains amount of heat, it should discharge after recovery again.
Ammonia distillation process is residual coking ammonia water pretreating process, by the ammonia nitrogen in distillation removing remained ammonia, cyanide
And sulfide, make remained ammonia indices reach biochemical treatment water quality requirement.Currently used most ammonia distillation process,
Being to utilize low-pressure steam to provide thermal source, steam air stripping distillation remained ammonia, steam consumption is big, increases outer row simultaneously and steams
Ammonia waste water amount, adds the burden that subsequent biochemical waste water processes.It is connected on heat exchanger with between flue gas waste heat and remained ammonia
Middle heat exchange, is heated to 120 DEG C by the temperature of remained ammonia by 60～70 DEG C, it is achieved the ammonia in distillation abjection remained ammonia
The purposes such as nitrogen, provide condition for coking chemical waste water biochemical treatment.
Summary of the invention
The purpose of this utility model is to provide a kind of flue gases of cock oven UTILIZATION OF VESIDUAL HEAT IN and coking chemical waste water pretreatment system, is returning
While having received flue gases of cock oven waste heat, coking chemical waste water is carried out pretreatment, provides condition for coking chemical waste water biochemical treatment,
Realize the comprehensive utilization of flue gas.
For achieving the above object, this utility model is achieved through the following technical solutions:
This utility model include reclamation of stack gas afterheat unit 3, ammonia still process pretreatment unit 1, remained ammonia ammonia still process unit 2,
Air inducing unit 4 and coke oven chimney 5, wherein flue gases of cock oven is connected with reclamation of stack gas afterheat unit 3 entrance, flue gas
Waste heat recovery unit 3 is connected with remained ammonia ammonia still process unit 2, ammonia still process pretreatment unit 1 and remained ammonia ammonia still process unit 2
Being connected, air inducing unit 4 is connected with coke oven chimney 5 flue collector.
Described ammonia still process pretreatment unit includes air supporting tar remover and ceramic filter.
Described remained ammonia ammonia still process unit includes ammonia still and ammonia dephlegmator.
Described reclamation of stack gas afterheat unit 3 is connected by ammonia circulation pump 7 with remained ammonia ammonia still process unit 2, steams
Remained ammonia after ammonia removes distilled ammonia wastewater biochemical treatment unit through heat exchanger.
Using heat exchange of heat pipe to carry out heat exchange, described remained ammonia ammonia still process unit and reclamation of stack gas afterheat unit are integrated
Formula combinative structure.
Compared with existing apparatus, the utility model has the advantages that: directly utilize flue gas waste heat, for remained ammonia ammonia still process
Heat is provided；Before remained ammonia ammonia still process, carry out air supporting tar removing and ceramic filter, prevent the impurity in remained ammonia
Blocking heat exchanger；Use heat exchange of heat pipe, improve heat transfer coefficient.
Accompanying drawing explanation
Fig. 1 is system structure schematic diagram of the present utility model.Wherein, ammonia still process pretreatment unit 1, remained ammonia ammonia still process list
Unit 2, reclamation of stack gas afterheat unit 3, air inducing unit 4, chimney 5, heat exchanger 6, ammonia circulation pump 7, ammonia still process are given up
Aquaticization processing unit 8, air supporting tar remover 11, ceramic filter 12, ammonia still 21, ammonia dephlegmator 22.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
Fig. 1 is system construction drawing of the present utility model, including reclamation of stack gas afterheat unit 3, ammonia still process pretreatment unit 1,
Remained ammonia ammonia still process unit 2, air inducing unit 4, chimney 5, heat exchanger 6 and ammonia circulation pump 7, flue gases of cock oven with
The smoke inlet of reclamation of stack gas afterheat unit 3 is connected, and exhanst gas outlet is connected with chimney 5 by air inducing unit 4；Surplus
Remaining ammonia, after ammonia still process pretreatment unit 1, is connected with remained ammonia ammonia still process unit 2, described ammonia still process pretreatment list
Unit 1 includes that air supporting tar remover 11 and ceramic filter 12, remained ammonia ammonia still process unit 2 include ammonia still 21 and ammonia
Dephlegmator 22；Reclamation of stack gas afterheat unit 3 is connected by ammonia circulation pump 7 with remained ammonia ammonia still process unit 2, steams
Remained ammonia after ammonia removes distilled ammonia wastewater biochemical treatment unit 8 through heat exchanger 6.
Remained ammonia ammonia still process unit 2 needs maintenance when, reclamation of stack gas afterheat unit 3 can be used alone,
Produce low-pressure steam；Remained ammonia ammonia still process unit 2 and reclamation of stack gas afterheat unit 3 are integral type combinative structure, can
To save equipment occupation of land.
During utility model works, flue gases of cock oven temperature when reclamation of stack gas afterheat unit 3 be lowered to 150～
160 DEG C of entrance chimneys are discharged, and the temperature of remained ammonia is heated to 120 DEG C by 60～70 DEG C, enters ammonia still 21 and enters
Row ammonia still process, and the ammonia that obtains of ammonia still process can be sent to ammonium sulfate workshop section after ammonia dephlegmator 22 condenses and produce sulfur ammonium.Steam
Distilled ammonia wastewater after ammonia about 90 DEG C, removes distilled ammonia wastewater biochemical treatment unit 8 by heat exchanger 6 heat exchange to 40 DEG C.
The above, be only preferred embodiment of the present utility model, not this utility model is made any in form
Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, appoint
What those skilled in the art, in the range of without departing from technical solutions of the utility model, when available the disclosure above
Method and technology contents make a little Equivalent embodiments changing or being modified to equivalent variations, as long as being without departing from this reality
By the content of new technique scheme, any simply repaiied according to what above example made by technical spirit of the present utility model
Change, equivalent variations and modification, still fall within the range of technical solutions of the utility model.
Claims (5)
1. a flue gases of cock oven UTILIZATION OF VESIDUAL HEAT IN and coking chemical waste water pretreatment system, it is characterized in that, including reclamation of stack gas afterheat unit (3), ammonia still process pretreatment unit (1), remained ammonia ammonia still process unit (2), air inducing unit (4), chimney (5)；Wherein, flue gases of cock oven is connected with reclamation of stack gas afterheat unit (3) entrance, reclamation of stack gas afterheat unit (3) is connected with remained ammonia ammonia still process unit (2), ammonia still process pretreatment unit (1) is connected with remained ammonia ammonia still process unit (2), and air inducing unit (4) is connected with coke oven chimney (5) flue collector.
Flue gases of cock oven UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and coking chemical waste water pretreatment system, it is characterised in that described ammonia still process pretreatment unit (1) includes air supporting tar remover (11) and ceramic filter (12).
Flue gases of cock oven UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and coking chemical waste water pretreatment system, it is characterised in that described remained ammonia ammonia still process unit (2) includes ammonia still (21) and ammonia dephlegmator (22).
A kind of flue gases of cock oven UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and coking chemical waste water pretreatment system, it is characterized in that, described reclamation of stack gas afterheat unit (3) is connected by ammonia circulation pump (7) with remained ammonia ammonia still process unit (2).
Flue gases of cock oven UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and coking chemical waste water pretreatment system, it is characterised in that remained ammonia ammonia still process unit (2) and reclamation of stack gas afterheat unit (3) are integral type combinative structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372703.1U CN205653309U (en) | 2016-04-27 | 2016-04-27 | Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372703.1U CN205653309U (en) | 2016-04-27 | 2016-04-27 | Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205653309U true CN205653309U (en) | 2016-10-19 |
Family
ID=57401563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372703.1U Active CN205653309U (en) | 2016-04-27 | 2016-04-27 | Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205653309U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477825A (en) * | 2016-12-02 | 2017-03-08 | 东北大学 | Coking waste water treatment method |
| CN108793555A (en) * | 2018-06-13 | 2018-11-13 | 苏州永峰联环保科技有限公司 | Remained ammonia treatment process and its processing system |
| CN110500585A (en) * | 2019-07-18 | 2019-11-26 | 光大环保技术研究院（南京）有限公司 | A kind of waste incineration and generating electricity waste heat ammonia steaming system |
| CN111517561A (en) * | 2020-03-31 | 2020-08-11 | 临涣焦化股份有限公司 | Coking chemical product refining wastewater treatment method |
-
2016
- 2016-04-27 CN CN201620372703.1U patent/CN205653309U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477825A (en) * | 2016-12-02 | 2017-03-08 | 东北大学 | Coking waste water treatment method |
| CN108793555A (en) * | 2018-06-13 | 2018-11-13 | 苏州永峰联环保科技有限公司 | Remained ammonia treatment process and its processing system |
| CN110500585A (en) * | 2019-07-18 | 2019-11-26 | 光大环保技术研究院（南京）有限公司 | A kind of waste incineration and generating electricity waste heat ammonia steaming system |
| CN111517561A (en) * | 2020-03-31 | 2020-08-11 | 临涣焦化股份有限公司 | Coking chemical product refining wastewater treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205653309U (en) | Coke oven flue gas waste heat utilization and coking wastewater pretreatment systems | |
| CN105536484B (en) | A kind of pollutant pre-corrosion tower based on flue gas condensing | |
| CN202465298U (en) | Equipment for utilizing residual heat of coke oven flue gas to evaporate ammonia | |
| CN102602960B (en) | Method for stilling ammonia by aid of waste heat of flue gas of coke oven and equipment | |
| CN105195005A (en) | Dual-effect purification system for integrated treatment of coked fuel gas and ammonia containing wastewater | |
| CN104801174A (en) | Activated coke flue gas purification system | |
| CN102512910B (en) | Smoke heat exchange process for recycling evaporated water of gas desulfurization system | |
| CN204372942U (en) | A kind for the treatment of apparatus of high chloride, waste gas containing fluoride/liquid | |
| CN204563939U (en) | Coke oven flue gas denitration desulfurization and UTILIZATION OF VESIDUAL HEAT IN integration system | |
| CN203602443U (en) | Wastewater treating device integrating compressed vacuum rectification, evaporation and concentration, coupling, drying and calcining | |
| CN205145959U (en) | Coking flue gas and processing economic benefits and social benefits clean system that unifies including ammonia wastewater | |
| CN104828783B (en) | A kind of method and device for improving sour gas Sulphuric acid device Acidic Gas Treating amount | |
| CN106382824A (en) | Novel tube heating furnace waste heat recovery system and method | |
| CN104016429B (en) | A kind of Processes and apparatus utilizing converter dust-removing high-temperature flue gas pyrolysis coking chemical waste water | |
| CN110404380A (en) | A kind of sintering flue gas desulfurization denitration, flue gas disappear white integrated system and method | |
| CN110141947A (en) | A kind of coke oven flue gas carbon dioxide discharge-reduction technique and system | |
| CN211400882U (en) | Device for eliminating phenol-containing tar-containing condensed water precipitation of producer gas conveying system | |
| CN106139897A (en) | Coke oven flue gas denitration desulfurization and UTILIZATION OF VESIDUAL HEAT IN integral process and device | |
| CN208649030U (en) | One kind containing chlorine, fluorine-containing liquid waste treatment system | |
| CN210861049U (en) | Gas boiler flue gas waste heat and condensate water recycling system | |
| CN107418599A (en) | The coke oven coke oven uprising tube waste heat recovery device of integration desulfurization denitration | |
| CN209287041U (en) | A kind of system for realizing flue gases of cock oven desulphurization denitration using tedge waste heat | |
| CN204574057U (en) | Sludge anhydration burning and innoxious flue gas processing device | |
| CN207137667U (en) | A kind of reclamation of stack gas afterheat and the integrated apparatus of desulfurization | |
| CN203419893U (en) | Nitrogen backblowing circulating system for purification of TSA coke oven gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |