CN103540328A - System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower - Google Patents
System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower Download PDFInfo
- Publication number
- CN103540328A CN103540328A CN201310533297.3A CN201310533297A CN103540328A CN 103540328 A CN103540328 A CN 103540328A CN 201310533297 A CN201310533297 A CN 201310533297A CN 103540328 A CN103540328 A CN 103540328A
- Authority
- CN
- China
- Prior art keywords
- water
- condensation
- condensable gas
- coke quenching
- quenching tower
- 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.)
- Granted
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a method for comprehensive utilization of low-temperature and low-pressure steam discharged from a coke quenching tower. The method is used for realizing the recycling of water and heat from steam discharged from the coke quenching tower and the purification of harmful substances in the steam discharged from the coke quenching tower, and comprises the following steps of (1) condensing steam, with the temperature of 90-100 DEG C, discharged from the coke quenching tower into condensed water with the temperature of 30-40 DEG C and non-condensable gas by a heat exchanger; (2) separating the condensed water from the non-condensable gas by a gas-water separator; (3) enabling the separated condensed water to enter a water purification system after the separated condensed water passes through an intermediate water tank, and supplementing the purified condensed water to an industrial water system; (4) enabling separated non-condensable gas to enter the intermediate water tank after macromolecular particles and water droplets are caught from the separated non-condensable gas by a wavy silk-screen demister and the separated non-condensable gas is flushed by the condensed water purified by the water purification system, and emitting the non-condensable gas at high altitude after the non-condensable gas passing through the wavy silk-screen demister is drawn out by a draught fan and is subjected to plasma-ionization harmless treatment. The invention further provides a system for comprehensive utilization of the low-temperature and low-pressure steam discharged from the coke quenching tower.
Description
technical field
The present invention relates to coke quenching tower discharge low temperature and low pressure steam utilization system and method.
background technology
In ， iron and steel enterprise and independent coal chemical enterprise, no matter wet quenching technique is the supplementary device as dry coke quenching at present, or as main quenching mode, is still widely adopted.But the steam temperature of discharging from coke quenching tower is at 90-100 ℃, and the burnt water loss of ton is 0.4-0.5t, and contains the toxic substances such as a large amount of dust, phenols, prussiate, sulfide, and contaminate environment is also wasted a large amount of water resourcess and heat.Traditional technology is not processed it always, prior art only SaiDing Engineering Co., Ltd proposes to adopt spraying process to remove the dust (application number: 2011104532371) of outer water vapor discharging, but the more water resourcess of this method waste, cannot reclaim heat, toxic substance enters waste water, thoroughly do not process.
summary of the invention
The technical problem to be solved in the present invention is to provide a kind of coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization, realizes coke quenching tower and arranges the recycling of water from steam and heat and the purification of objectionable impurities outward.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A discharge low temperature and low pressure steam method of comprehensive utilization, step is as follows:
1) 90-100 ℃ of steam of coke quenching tower discharge is condensed into 30-40 ℃ of water of condensation and non-condensable gas through interchanger;
2) water of condensation is realized the separated of water of condensation and non-condensable gas with non-condensable gas via air water separator;
3) isolated water of condensation enters water purification system after via middle tank, and the water of condensation after purification fills into industrial water system;
4) isolated non-condensable gas after rinsing via wave mesh mist eliminator trapping macromolecular particle and water droplet the water of condensation that purified by water purification system, enter in the middle of tank; After the non-condensable gas of wave mesh mist eliminator is extracted out by induced draft fan again through plasma electric from high altitude discharge after harmless treatment.
Above-mentioned coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization, in step 1), the heat-eliminating medium of interchanger is de-mineralized water.
Above-mentioned coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization, de-mineralized water enters interchanger after via low temperature buffer tank, by the de-mineralized water after interchanger heat exchange out via high-temperature buffer tank after for industrial production.
Above-mentioned coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization, in step 3), water purification system is ultrafiltration system or microfiltration systems.
The technical problem to be solved in the present invention is to provide a kind of coke quenching tower discharge low temperature and low pressure steam utilization system, realizes coke quenching tower and arranges the recycling of water from steam and heat and the purification of objectionable impurities outward.
A discharge low temperature and low pressure steam utilization system, pipeline discharges 90-100 ℃ of steam by coke quenching tower and introduces 30-40 ℃ of water of condensation of condensation generation and non-condensable gas in interchanger, and the heat-eliminating medium of interchanger is de-mineralized water; Interchanger water of condensation is out sent into air water separator to realize the separated of water of condensation and non-condensable gas with non-condensable gas by pipeline; Tank in the middle of the isolated water of condensation of air water separator enters, the water of condensation in middle tank enters water purification system, and the water of condensation after purification fills into industrial water system; The isolated non-condensable gas of air water separator enters wave mesh mist eliminator trapping macromolecular particle and water droplet and the water of condensation that purified by water purification system enter after rinsing in the middle of tank, after the non-condensable gas of wave mesh mist eliminator is extracted out by induced draft fan again through plasma ionization device harmless treatment high altitude discharge.
Above-mentioned coke quenching tower discharge low temperature and low pressure steam utilization system, de-mineralized water enters interchanger after via low temperature buffer tank, by the de-mineralized water after interchanger heat exchange out via high-temperature buffer tank after for industrial production.
Above-mentioned coke quenching tower discharge low temperature and low pressure steam utilization system, water purification system is ultrafiltration system or microfiltration systems.
The present invention discharges 90-100 ℃ of vapor condensation to obtain the lifting of coolant temperature by interchanger by coke quenching tower, realizes the recycling of the heat in coke quenching tower discharged steam, reaches energy-saving and cost-reducing object.Water of condensation enters water purification system, and the water of condensation after purification fills into industrial water system, realizes the recycle of water, reaches water-saving object.Non-condensable gas from high altitude discharge after harmless treatment, is avoided the pollution of waste gas to atmosphere through plasma electric.
accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in more detail:
Fig. 1 is schematic diagram of the present invention.
In figure: 1 interchanger, 2 air water separators, 3 middle tanks, 4 water purification systems, 5 wave mesh mist eliminators, 6 induced draft fans, 7 plasma ionization devices, 8 low temperature buffer tanks, 9 high-temperature buffer tanks.
Embodiment
As shown in Figure 1, a kind of coke quenching tower discharge low temperature and low pressure steam utilization system, pipeline discharges 90-100 ℃ of steam by coke quenching tower and introduces 30-40 ℃ of water of condensation of condensation generation and non-condensable gas in interchanger 1, and the heat-eliminating medium of interchanger is de-mineralized water.Interchanger water of condensation is out sent into air water separator 2 to realize the separated of water of condensation and non-condensable gas with non-condensable gas by pipeline.Tank 3 in the middle of the isolated water of condensation of air water separator enters, the water of condensation in middle tank enters water purification system 4, and the water of condensation after purification fills into industrial water system, and concentrated waste water enters sink drainage.The isolated non-condensable gas of air water separator enters wave mesh mist eliminator 5 trapping macromolecular particles and water droplet and the water of condensation that purified by water purification system enter after rinsing in the middle of tank, after the non-condensable gas of wave mesh mist eliminator is extracted out by induced draft fan 6 again through plasma ionization device 7 harmless treatment high altitude discharges.
Particularly, de-mineralized water enters interchanger after via low temperature buffer tank 8, by the de-mineralized water after interchanger heat exchange out via high-temperature buffer tank 9 after for industrial production.
Particularly, water purification system is ultrafiltration system or microfiltration systems.
A discharge low temperature and low pressure steam method of comprehensive utilization, step is as follows:
1) 90-100 ℃ of steam of coke quenching tower discharge is condensed into 30-40 ℃ of water of condensation and non-condensable gas through interchanger;
2) water of condensation is realized the separated of water of condensation and non-condensable gas with non-condensable gas via air water separator;
3) isolated water of condensation enters water purification system after via middle tank, and the water of condensation after purification fills into industrial water system;
4) isolated non-condensable gas after rinsing via wave mesh mist eliminator trapping macromolecular particle and water droplet the water of condensation that purified by water purification system, enter in the middle of tank; After the non-condensable gas of wave mesh mist eliminator is extracted out by induced draft fan again through plasma electric from high altitude discharge after harmless treatment.
Plasma electric, from being the high-voltage electric field forming by high voltage electric, generates harmless carbonic acid gas, water etc. after organic gas ionizes, decomposes in high-voltage electric field.
In step 1), the heat-eliminating medium of interchanger is de-mineralized water.De-mineralized water enters interchanger after via low temperature buffer tank, by the de-mineralized water after interchanger heat exchange out via high-temperature buffer tank after for industrial production.
In step 3), water purification system is ultrafiltration system or microfiltration systems.
Illustrate the present invention below, step is as follows:
1) at the supporting wet quenching technique quenching tower top trapping top of JNDK55-05 Formed Coke Furnace and the steam of bottom loss;
2) water vapor (55m trapping from coke quenching tower
3, 95 ℃) by Tube Sheet of Heat Exchanger layer be condensed into water (35 ℃, 30m
3), shell leads to de-mineralized water (240m
3, 20 ℃) and heat exchange is heated to 80 ℃;
3) 35 ℃ of water of condensation and non-condensable gas enter air water separator and carry out gas-water separation; Wherein isolate water of condensation 30m
3, non-condensable gas 5m
3;
4) water of condensation (35 ℃, 30m after gas-water separation
3) enter water purification system after tank in the middle of entering, through ultrafiltration, make purify waste water (35 ℃, 30m
3) after fill into industrial water system;
5) non-condensable gas (5m
3) enter wave mesh mist eliminator, by macromolecular particle in gas and water trap with 35 ℃ of condensed water after processing (be interrupted, 6h once, each 3m
3) enter after flushing in the middle of tank, non-condensable gas enters induced draft fan;
6) non-condensable gas enters atmosphere in high-altitude after induced draft fan post plasma ionization harmless treatment.
Compared to the prior art, tool of the present invention has the following advantages:
1) can reclaim the heat in coke quenching steam; Heat by the heat exchange recovered steam of coke quenching steam and heat-eliminating medium (being generally de-mineralized water), reaches energy-saving and cost-reducing object;
2) purification of waste water; The quenching waste gas water of condensation that condensation is got off after heat exchange can add in service water after refining plant (ultrafiltration, micro-filtration etc.) purifies, and reaches the object of water circulation use;
3) waste-gas cleaning; Non-condensable gas enters atmosphere through plasma electric after harmless treatment, avoids the pollution of waste gas to atmosphere;
4) after processing by this aforesaid method, can reach coke quenching tower waste water, zero waste gas emission, heat reclaims completely.
5) can significantly improve coking technique environment, environment protection health;
6) Technology is simple, easy to operate.
Claims (7)
1. a coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization, is characterized in that, step is as follows:
1) 90-100 ℃ of steam of coke quenching tower discharge is condensed into 30-40 ℃ of water of condensation and non-condensable gas through interchanger;
2) water of condensation is realized the separated of water of condensation and non-condensable gas with non-condensable gas via air water separator;
3) isolated water of condensation enters water purification system after via middle tank, and the water of condensation after purification fills into industrial water system;
4) isolated non-condensable gas after rinsing via wave mesh mist eliminator trapping macromolecular particle and water droplet the water of condensation that purified by water purification system, enter in the middle of tank; After the non-condensable gas of wave mesh mist eliminator is extracted out by induced draft fan again through plasma electric from high altitude discharge after harmless treatment.
2. coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization according to claim 1, is characterized in that, in step 1), the heat-eliminating medium of interchanger is de-mineralized water.
3. coke quenching tower according to claim 2 discharge low temperature and low pressure steam method of comprehensive utilization, is characterized in that, de-mineralized water enters interchanger after via low temperature buffer tank, by the de-mineralized water after interchanger heat exchange out via high-temperature buffer tank after for industrial production.
4. coke quenching tower discharge low temperature and low pressure steam method of comprehensive utilization according to claim 1, is characterized in that, in step 3), water purification system is ultrafiltration system or microfiltration systems.
5. a coke quenching tower discharge low temperature and low pressure steam utilization system, is characterized in that: pipeline discharges 90-100 ℃ of steam by coke quenching tower and introduces 30-40 ℃ of water of condensation of condensation generation and non-condensable gas in interchanger, and the heat-eliminating medium of interchanger is de-mineralized water; Interchanger water of condensation is out sent into air water separator to realize the separated of water of condensation and non-condensable gas with non-condensable gas by pipeline; Tank in the middle of the isolated water of condensation of air water separator enters, the water of condensation in middle tank enters water purification system, and the water of condensation after purification fills into industrial water system; The isolated non-condensable gas of air water separator enters wave mesh mist eliminator trapping macromolecular particle and water droplet and the water of condensation that purified by water purification system enter after rinsing in the middle of tank, after the non-condensable gas of wave mesh mist eliminator is extracted out by induced draft fan again through plasma ionization device harmless treatment high altitude discharge.
6. coke quenching tower according to claim 5 discharge low temperature and low pressure steam utilization system, is characterized in that: de-mineralized water enters interchanger after via low temperature buffer tank, by the de-mineralized water after interchanger heat exchange out via high-temperature buffer tank after for industrial production.
7. coke quenching tower discharge low temperature and low pressure steam utilization system according to claim 5, is characterized in that: water purification system is ultrafiltration system or microfiltration systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533297.3A CN103540328B (en) | 2013-11-04 | 2013-11-04 | System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533297.3A CN103540328B (en) | 2013-11-04 | 2013-11-04 | System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103540328A true CN103540328A (en) | 2014-01-29 |
| CN103540328B CN103540328B (en) | 2014-12-10 |
Family
ID=49964204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533297.3A Expired - Fee Related CN103540328B (en) | 2013-11-04 | 2013-11-04 | System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103540328B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923668A (en) * | 2014-04-30 | 2014-07-16 | 江苏孔雀石新能源科技有限公司 | Improved quenching method and device based on original quenching tower |
| CN105066640A (en) * | 2015-08-25 | 2015-11-18 | 北京电力设备总厂有限公司 | Air cooling recovery device for water in coal |
| CN106799113A (en) * | 2017-03-22 | 2017-06-06 | 江苏揽山环境科技股份有限公司 | A kind of method and device for administering quenching tower waste gas |
| CN107779210A (en) * | 2016-08-31 | 2018-03-09 | 邢台旭阳科技有限公司 | A kind of wet quenching system and the method for coke quenching steam recovery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458313A (en) * | 1973-04-19 | 1976-12-15 | Eschweiler Bergwerksverein | Method of and apparatus for quenching coke |
| CN102128548A (en) * | 2010-01-12 | 2011-07-20 | 神华集团有限责任公司 | Method and equipment for purifying and recovering evaporated vapor obtained by drying coal |
| CN102585854A (en) * | 2011-12-20 | 2012-07-18 | 赛鼎工程有限公司 | Method for purifying smoke dust discharged by coke quenching tower in wet quenching process |
| CN102688663A (en) * | 2012-06-14 | 2012-09-26 | 华电重工股份有限公司 | Method and device for recycling steam in coal drying waste wet gas |
| CN203530221U (en) * | 2013-11-04 | 2014-04-09 | 山东荣信煤化有限责任公司 | Comprehensive utilization system for low-temperature low-pressure vapor discharged from coke quenching tower |
-
2013
- 2013-11-04 CN CN201310533297.3A patent/CN103540328B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1458313A (en) * | 1973-04-19 | 1976-12-15 | Eschweiler Bergwerksverein | Method of and apparatus for quenching coke |
| CN102128548A (en) * | 2010-01-12 | 2011-07-20 | 神华集团有限责任公司 | Method and equipment for purifying and recovering evaporated vapor obtained by drying coal |
| CN102585854A (en) * | 2011-12-20 | 2012-07-18 | 赛鼎工程有限公司 | Method for purifying smoke dust discharged by coke quenching tower in wet quenching process |
| CN102688663A (en) * | 2012-06-14 | 2012-09-26 | 华电重工股份有限公司 | Method and device for recycling steam in coal drying waste wet gas |
| CN203530221U (en) * | 2013-11-04 | 2014-04-09 | 山东荣信煤化有限责任公司 | Comprehensive utilization system for low-temperature low-pressure vapor discharged from coke quenching tower |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923668A (en) * | 2014-04-30 | 2014-07-16 | 江苏孔雀石新能源科技有限公司 | Improved quenching method and device based on original quenching tower |
| CN105066640A (en) * | 2015-08-25 | 2015-11-18 | 北京电力设备总厂有限公司 | Air cooling recovery device for water in coal |
| CN107779210A (en) * | 2016-08-31 | 2018-03-09 | 邢台旭阳科技有限公司 | A kind of wet quenching system and the method for coke quenching steam recovery |
| CN106799113A (en) * | 2017-03-22 | 2017-06-06 | 江苏揽山环境科技股份有限公司 | A kind of method and device for administering quenching tower waste gas |
| CN106799113B (en) * | 2017-03-22 | 2023-03-17 | 江苏揽山环境科技股份有限公司 | Method and device for treating waste gas of coke quenching tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103540328B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103540328B (en) | System and method for comprehensive utilization of low-temperature and low-pressure steam discharged from coke quenching tower | |
| CN102080928B (en) | Method and device for utilizing heat energy of flue gas produced by calcining in rotary kiln in process of producing titanium dioxide by sulfuric acid method | |
| CN204848746U (en) | Coke wet quenching flue gas is retrieved and purifier | |
| CN103463928A (en) | Method and device for adsorbing and recovering organic waste gas | |
| US20140262736A1 (en) | Method and device for recycling water vapor evaporated from coal drying with vacuum condensing process | |
| CN107890734B (en) | Waste gas takes off white purification device | |
| CN211886052U (en) | Waste gas treatment system | |
| CN102585854A (en) | Method for purifying smoke dust discharged by coke quenching tower in wet quenching process | |
| CN103657328A (en) | Novel condensation purification apparatus and application | |
| CN105107337A (en) | Centralized processing device of phenol-containing waste gas and sulfur-containing waste gas, and processing method | |
| CN110585840A (en) | System and method for comprehensively treating waste gas of setting machine | |
| CN207056310U (en) | The exhaust gas processing device of sour gas Sulphuric acid | |
| CN203530221U (en) | Comprehensive utilization system for low-temperature low-pressure vapor discharged from coke quenching tower | |
| CN205570342U (en) | Tail gas processing apparatus in ametryn production process | |
| CN210045064U (en) | Device for efficiently treating mercury-containing polluted soil thermal desorption waste gas | |
| CN103611417A (en) | Wet-process denitration method for coke oven waste gas | |
| CN110404342A (en) | A kind of complete processing equipment of original position thermal desorption exhaust gas | |
| CN103920371B (en) | A kind of absorption tower and flue gas treating process thereof | |
| CN111111368A (en) | Method for condensing and photocatalytic degradation of organic waste gas by two-stage method | |
| CN103143244B (en) | Treatment method for exhaust gases in production of profenofos | |
| CN102304729B (en) | Intensive cleaning treatment device for acidic volatile gas of silver electrolysis process and use method thereof | |
| CN107090302A (en) | A kind of coke wet quenching high temperature steam treatment device | |
| CN102212644A (en) | Converter gas cloth-bag purifying and recycling technology combining cooling extingiushment and heating dust removal | |
| CN205462730U (en) | Intercooling wet dust collector | |
| CN205650024U (en) | Quiet electric treatment device of flue gas condensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20161104 |