CN103203336B - Device and method for cleaning ammonia distillation system - Google Patents
Device and method for cleaning ammonia distillation system Download PDFInfo
- Publication number
- CN103203336B CN103203336B CN201310098343.1A CN201310098343A CN103203336B CN 103203336 B CN103203336 B CN 103203336B CN 201310098343 A CN201310098343 A CN 201310098343A CN 103203336 B CN103203336 B CN 103203336B
- Authority
- CN
- China
- Prior art keywords
- valve
- pipe
- auxiliary agent
- cleaning
- groove
- 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
Landscapes
- Physical Water Treatments (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention provides a device and a method for cleaning ammonia distillation system. An original waste water heat exchanger, an original waste water cooler, and an original waste water process pipeline, an original remaining ammonia process pipeline, an original old waste water pipeline and an original new waste water pipeline which are connected with the original waste water heat exchanger and the original waste water cooler are utilized, and an auxiliary agent pipe, a waste water pipe, a return pipe, a slag discharge pipe and corresponding valves are additionally arranged; and the cleaning of an ammonia device and the pipelines is realized by opening and closing the different valves. The cleaning time is greatly shortened, the whole cleaning process only requires 12 hours, the loss of ammonium sulfate can be reduced, and the yield of ammonium sulfate is increased; waste liquid after cleaning is directly pumped in a mechanized settle tank for recovery utilization, more than 20 tons of cleaning agent and tar mixture can be recycled during cleaning work every time, and the environmental pollution is prevented while the waste of resources is reduced; and simultaneously, the workload of cleaning and processing can be greatly reduced, and the labor intensity of on-site workers is lightened.
Description
Technical field
The invention belongs to coking technology field, be specifically related to a kind of for ammonia steaming system ammoniacal liquor equipment and pipeline cleaning operation, and by the devices and methods therefor of cleaning devil liquor recovery.
Background technology
7 meters of coke ovens are domestic coke oven maximum at present, though the gas cleaning system supporting with it since going into operation through gradual perfection, also engender in actual production process some run on problem.It is mainly manifested in gas purification process, ammonia steaming system occurred wastewater heat exchange device and gaseous effluent cooler heat transfer effect poor, waste pipe blocking and the series of problems such as ammonia still ammonia still process weak effect, thus ammonia still process steam consumption is increased, power consumption increases, and operation has some setbacks.Cause certain difficulty not only to the production direct motion of sulphur ammonium operation, make wastewater containing phenol and cyanide entrance index defective simultaneously, cause wastewater containing phenol and cyanide export targets not reach the regulation of national secondary discharge standard.Have to thoroughly clean ammonia steaming system for this reason, but because the waste liquid after cleaning does not have outer comb line, after connect outside rubber tube and drain into mechanical settling tank, not only waste time and energy, cleaning once needs more than 48 hours, greatly adds the labour intensity of field worker, and raw the carrying out smoothly of impact, and have waste liquid and leak into ground, both caused the waste of resource, severe contamination environment.
Summary of the invention
Object of the present invention aims to provide one can shorten the cleaning systems time, reduces labor intensity, and reduces the wasting of resources, avoids ammonia steaming system cleaning device and the method thereof of environmental pollution.
For this reason, the solution that the present invention takes is:
A kind of ammonia steaming system cleaning device, comprise valve 1, valve 25, valve 36, valve 47, valve 58, valve 69, valve 8 11, valve 10, valve 11, valve 13, the valve 15 on wastewater heat exchange device 26, gaseous effluent cooler 27 and connected waster water process pipeline 28, remained ammonia process pipe 29, old waste pipe 30, new waste pipe 31 and each pipeline, it is characterized in that:
Throw between groove 23 at the centrifugal pump 22 of waster water process pipeline 28 and phenol cyanogen auxiliary agent and set up auxiliary agent pipe 1 and valve 19; External waste pipe 2 and valve 20 on old waste pipe 30, waste pipe 2 one end is connected between valve 16 and valve 17, and the other end is connected on the old waste pipe 30 at valve 7 10 rear portion; Old waste pipe 30 between valve 16 with valve 17 is connected return duct 3 and valve 21, return duct 3 other end and phenol cyanogen auxiliary agent are thrown in groove 23 and are led to; Be connected scum pipe 25 and valve 18 whole cold sweeping between naphthalene scum pipe with mechanical settling tank 24, old waste pipe 30 is connected on scum pipe 25 by valve 16 and valve 17.
A kind of concrete steps of ammonia steaming system cleaning method are:
1, wastewater heat exchange device 26 and waster water process pipeline 28 is cleaned: open the valve 19 on auxiliary agent pipe 1, the valve 21 of return duct 3 and valve 1, valve 25, valve 47, valve 16, close all the other all valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered waster water process pipeline 28 via auxiliary agent pipe 1 and centrifugal pump 22, after valve 1 and wastewater heat exchange device 26, walk valve 25, valve 47, valve 16 and return duct 3, valve 21 gets back to phenol cyanogen auxiliary agent and throw in groove 23, complete the loop cleaning process of a wastewater heat exchange device 26 and waster water process pipeline 28.
2, gaseous effluent cooler 27 and waster water process pipeline 28 is cleaned: open valve 36, valve 58, valve 69, valve 16, valve 19, valve 21, close all the other all valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered waster water process pipeline 28 via auxiliary agent pipe 1 and centrifugal pump 22, by valve 36, valve 58 and gaseous effluent cooler 27, walk valve 69, valve 16 and return duct 3, valve 21 gets back to phenol cyanogen auxiliary agent and throw in groove 23, complete the loop cleaning process of a gaseous effluent cooler 27 and waster water process pipeline 28.
3, clean wastewater heat exchange device 26 and remained ammonia process pipe 29: open valve 19, the return duct on auxiliary agent pipe 1) valve 21, valve 47, valve 10, valve 11, valve 13, valve 15, valve 16, close all the other valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered remained ammonia process pipe 29 via auxiliary agent pipe 1, centrifugal pump 22 and valve 13, wastewater heat exchange device 26 is entered by valve 10, the valve 21 walked on the valve 47 on the valve 11 on remained ammonia process pipe 29, valve 15 and waster water process pipeline 28, valve 16 and return duct 3 is got back to phenol cyanogen auxiliary agent and is thrown in groove 23, completes the loop cleaning process of a wastewater heat exchange device 26 and remained ammonia process pipe 29.
4, old waste pipe 30 and new waste pipe 31 is cleaned: open the valve 19 of auxiliary agent pipe 1, the valve 20 of waste pipe 2, the valve 21 of return duct 3 and valve 36, valve 47, valve 8 11, valve 16, close all the other valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered waster water process pipeline 28 via auxiliary agent pipe 1, centrifugal pump 22, old waste pipe 30 is entered by the valve 8 11 on new waste pipe 31 after walking valve 36, valve 47, get back to phenol cyanogen auxiliary agent via the valve 21 of the valve 20 of waste pipe 2, valve 16 and return duct 3 again to throw in groove 23 groove, complete once the loop cleaning process of old waste pipe 30 and new waste pipe 31.
A kind of concrete steps of ammonia steaming system cleaning agent displacement are:
Open valve 19 and valve 36, valve 47, valve 16, the valve 17 of auxiliary agent pipe 1, close all the other valves.The medicament that phenol cyanogen auxiliary agent is thrown in groove 23 after cleaning enters waster water process pipeline 28 through auxiliary agent pipe 1, centrifugal pump 22, after walking valve 36, valve 47, valve 16, valve 17 and scum pipe 25, enters mechanical settling tank 24 and discharges.
Beneficial effect of the present invention is:
1, the waste liquid after cleaning is directly squeezed into mechanical settling tank and is recycled, the recyclable cleaning agent of each washing and cleaning operation and blended tars more than 20 tons, while the minimizing wasting of resources, avoids the pollution of environment, has economy and environmental protection double benefit.
2, can shorten scavenging period, whole cleaning process was reduced to 12 hours by original 48 hours, and each cleaning can reduce sulphur ammonium and lose 30 tons, can increase sulphur ammonium production loss 60 tons simultaneously.
3, greatly reduce the workload of cleaning and process, improve operating environment, alleviate the labour intensity of field operation personnel.
Accompanying drawing explanation
Fig. 1 is ammonia steaming system cleaning device structural representation.
In figure: solid line is original process pipelines, wherein: heavy line is waster water process pipeline 28, fine line is remained ammonia process pipe 29; Dotted line is newly-increased pipeline, wherein: thick dashed line is scum pipe 25; Fine dotted line is respectively auxiliary agent pipe 1, waste pipe 2, return duct 3.Valve 1, valve 25, valve 36, valve 47, valve 58, valve 69, valve 7 10, valve 8 11, valve 9 12, valve 10, valve 11, valve 12, valve 13, valve 14, valve 15, valve 16, valve 17, valve 18, valve 19, valve 20, valve 21; 22 is centrifugal pump, and 23 is that groove thrown in by phenol cyanogen auxiliary agent.24 is mechanical settling tank, and 26 is wastewater heat exchange device, and 27 is gaseous effluent cooler, and 30 is old waste pipe, and 31 is new waste pipe.
Detailed description of the invention
As seen from Figure 1, ammonia steaming system cleaning device of the present invention is on the basis of original wastewater heat exchange device 26, gaseous effluent cooler 27 and connected waster water process pipeline 28, remained ammonia process pipe 29, old waste pipe 30 and new waste pipe 31, throws between groove 23 again set up an auxiliary agent pipe 1 and valve 19 at the centrifugal pump 22 of waster water process pipeline 28 and phenol cyanogen auxiliary agent; An external waste pipe 2 and valve 20 on old waste pipe 30, waste pipe 2 one end is connected between valve 16 and valve 17, and the other end is connected on the old waste pipe 30 at valve 7 10 rear portion; Old waste pipe 30 between valve 16 with valve 17 is connected a return duct 3 and valve 21, return duct 3 other end and phenol cyanogen auxiliary agent are thrown in groove 23 and are interlinked; Be connected scum pipe 25 and valve 18 whole cold sweeping between naphthalene Residue extraction pipeline with mechanical settling tank 24, old waste pipe 30 is connected on scum pipe 25 by valve 16 and valve 17.
Ammonia steaming system cleaning method of the present invention comprises the method for the method of cleaning wastewater heat exchange device 26 and waster water process pipeline 28, the method for cleaning gaseous effluent cooler 27 and waster water process pipeline 28, cleaning wastewater heat exchange device 26 and remained ammonia process pipe 29 and cleans the method for old waste pipe 30 and new waste pipe 31, and its concrete steps are:
1, wastewater heat exchange device 26 and waster water process pipeline 28 is cleaned:
Open the valve 19 on auxiliary agent pipe 1, the valve 21 of return duct 3 and valve 1, valve 25, valve 47, valve 16, close all the other all valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered waster water process pipeline 28 via auxiliary agent pipe 1 and centrifugal pump 22, after valve 1 and wastewater heat exchange device 26, walk valve 25, valve 47, valve 16 and return duct 3, valve 21 gets back to phenol cyanogen auxiliary agent and throw in groove 23, complete the loop cleaning process of a wastewater heat exchange device 26 and waster water process pipeline 28.
2, gaseous effluent cooler 27 and waster water process pipeline 28 is cleaned:
Open valve 36, valve 58, valve 69, valve 16, valve 19, valve 21, close all the other all valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered waster water process pipeline 28 via auxiliary agent pipe 1 and centrifugal pump 22, by valve 36, valve 58 and gaseous effluent cooler 27, walk valve 69, valve 16 and return duct 3, valve 21 gets back to phenol cyanogen auxiliary agent and throw in groove 23, complete the loop cleaning process of a gaseous effluent cooler 27 and waster water process pipeline 28.
3, wastewater heat exchange device 26 and remained ammonia process pipe 29 is cleaned:
Open the valve 19 on auxiliary agent pipe 1, the valve 21 of return duct 3, valve 47, valve 10, valve 11, valve 13, valve 15, valve 16, close all the other valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered remained ammonia process pipe 29 via auxiliary agent pipe 1, centrifugal pump 22 and valve 13, wastewater heat exchange device 26 is entered by valve 10, the valve 21 walked on the valve 47 on the valve 11 on remained ammonia process pipe 29, valve 15 and waster water process pipeline 28, valve 16 and return duct 3 is got back to phenol cyanogen auxiliary agent and is thrown in groove 23, completes the loop cleaning process of a wastewater heat exchange device 26 and remained ammonia process pipe 29.
4, old waste pipe 30 and new waste pipe 31 is cleaned:
Open the valve 19 of auxiliary agent pipe 1, the valve 20 of waste pipe 2, the valve 21 of return duct 3 and valve 36, valve 47, valve 8 11, valve 16, close all the other valves.Phenol cyanogen auxiliary agent is thrown in groove 23 by phenol cyanogen auxiliary agent and is entered waster water process pipeline 28 via auxiliary agent pipe 1, centrifugal pump 22, old waste pipe 30 is entered by the valve 8 11 on new waste pipe 31 after walking valve 36, valve 47, get back to phenol cyanogen auxiliary agent via the valve 21 of the valve 20 of waste pipe 2, valve 16 and return duct 3 again to throw in groove 23 groove, complete once the loop cleaning process of old waste pipe 30 and new waste pipe 31.
Concrete grammar and the step of cleaning agent displacement of the present invention are:
Open valve 19 and valve 36, valve 47, valve 16, the valve 17 of auxiliary agent pipe 1, close all the other valves.The medicament that phenol cyanogen auxiliary agent is thrown in groove 23 after cleaning enters waster water process pipeline 28 through auxiliary agent pipe 1, centrifugal pump 22, after walking valve 36, valve 47, valve 16, valve 17 and scum pipe 25, enters mechanical settling tank 24 and discharges.
It should be noted that, in cleaning process, ammonia still still needs underload to produce, therefore step 1,2, in 3 cleaning processes, valve 14 should be opened, valve-off 9 12 and valve 12, so that remained ammonia groove water directly enters into ammonia still by valve 14 carry out ammonia still process process.
Claims (3)
1. an ammonia steaming system cleaning device, comprise wastewater heat exchange device (26), gaseous effluent cooler (27) and connected waster water process pipeline (28), remained ammonia process pipe (29), old waste pipe (30), valve one (4) on new waste pipe (31) and each pipeline, valve two (5), valve three (6), valve four (7), valve five (8), valve six (9), valve eight (11), valve ten (13), valve ten one (14), valve ten three (16), valve ten five (18), it is characterized in that:
Centrifugal pump (22) in waster water process pipeline (28) and phenol cyanogen auxiliary agent are thrown between groove (23) and are set up auxiliary agent pipe (1) and valve ten nine (32); At the upper external waste pipe (2) of old waste pipe (30) and valve 20 (33), waste pipe (2) one end is connected between valve ten six (19) and valve ten seven (20), and the other end is connected on the old waste pipe (30) at valve seven (10) rear portion; Old waste pipe (30) between valve ten six (19) with valve ten seven (20) is connected return duct (3) and valve 21 (34), return duct (3) other end and phenol cyanogen auxiliary agent are thrown in groove (23) and are led to; Be connected scum pipe (25) and valve ten eight (21) whole cold sweeping between naphthalene scum pipe with mechanical settling tank (24), old waste pipe (30) is connected on scum pipe (25) by valve ten six (19) and valve ten seven (20).
2. application rights requires a method for ammonia steaming system cleaning device described in 1, it is characterized in that, the concrete steps of described ammonia steaming system cleaning are:
(1), cleaning wastewater heat exchange device (26) and waster water process pipeline (28): open the valve ten nine (32) on auxiliary agent pipe (1), the valve 21 (34) of return duct (3) and valve one (4), valve two (5), valve four (7), valve ten six (19), close all the other all valves, phenol cyanogen auxiliary agent is thrown in groove (23) by phenol cyanogen auxiliary agent and is entered waster water process pipeline (28) via auxiliary agent pipe (1) and centrifugal pump (22), after valve one (4) and wastewater heat exchange device (26), walk valve two (5), valve four (7), valve ten six (19) and return duct (3), valve 21 (34) is got back to phenol cyanogen auxiliary agent and is thrown in groove (23), complete the loop cleaning process of a wastewater heat exchange device (26) and waster water process pipeline (28),
(2), cleaning gaseous effluent cooler (27) and waster water process pipeline (28): open valve three (6), valve five (8), valve six (9), valve ten six (19), valve ten nine (32), valve 21 (34), close all the other all valves, phenol cyanogen auxiliary agent is thrown in groove (23) by phenol cyanogen auxiliary agent and is entered waster water process pipeline (28) via auxiliary agent pipe (1) and centrifugal pump (22), by valve three (6), valve five (8) and gaseous effluent cooler (27), walk valve six (9), valve ten six (19) and return duct (3), valve 21 (34) is got back to phenol cyanogen auxiliary agent and is thrown in groove (23), complete the loop cleaning process of a gaseous effluent cooler (27) and waster water process pipeline (28),
(3), wastewater heat exchange device (26) and remained ammonia process pipe (29) is cleaned: open the valve ten nine (32) on auxiliary agent pipe (1), the valve 21 (34) of return duct (3), valve four (7), valve ten (13), valve ten one (14), valve ten three (16), valve ten five (18), valve ten six (19), close all the other valves, phenol cyanogen auxiliary agent throws in groove (23) via auxiliary agent pipe (1) by phenol cyanogen auxiliary agent, centrifugal pump (22) and valve ten three (16) enter remained ammonia process pipe (29), wastewater heat exchange device (26) is entered by valve ten (13), walk the valve ten one (14) on remained ammonia process pipe (29), valve four (7) on valve ten five (18) and waster water process pipeline (28), valve 21 (34) on valve ten six (19) and return duct (3) is got back to phenol cyanogen auxiliary agent and is thrown in groove (23), complete the loop cleaning process of a wastewater heat exchange device (26) and remained ammonia process pipe (29),
(4), old waste pipe (30) and new waste pipe (31) is cleaned: open the valve ten nine (32) of auxiliary agent pipe (1), the valve 20 (33) of waste pipe (2), the valve 21 (34) of return duct (3) and valve three (6), valve four (7), valve eight (11), valve ten six (19), close all the other valves, phenol cyanogen auxiliary agent throws in groove (23) via auxiliary agent pipe (1) by phenol cyanogen auxiliary agent, centrifugal pump (22) enters waster water process pipeline (28), walk valve three (6), valve four (7) enters old waste pipe (30) by the valve eight (11) on new waste pipe (31) afterwards, again via the valve 20 (33) of waste pipe (2), the valve 21 (34) of valve ten six (19) and return duct (3) is got back to phenol cyanogen auxiliary agent and is thrown in groove (23) groove, complete once the loop cleaning process of old waste pipe (30) and new waste pipe (31).
3. application rights requires a medicament method of replacing for ammonia steaming system cleaning device described in 1, it is characterized in that, the concrete steps of cleaning agent displacement are:
Open valve ten nine (32) and valve three (6), valve four (7), valve ten six (19), the valve ten seven (20) of auxiliary agent pipe (1), close all the other valves; The medicament that phenol cyanogen auxiliary agent is thrown in groove (23) after cleaning enters waster water process pipeline (28) through auxiliary agent pipe (1), centrifugal pump (22), after walking valve three (6), valve four (7), valve ten six (19), valve ten seven (20) and scum pipe (25), enter mechanical settling tank (24) and discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098343.1A CN103203336B (en) | 2013-03-26 | 2013-03-26 | Device and method for cleaning ammonia distillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098343.1A CN103203336B (en) | 2013-03-26 | 2013-03-26 | Device and method for cleaning ammonia distillation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103203336A CN103203336A (en) | 2013-07-17 |
| CN103203336B true CN103203336B (en) | 2014-12-31 |
Family
ID=48750860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310098343.1A Active CN103203336B (en) | 2013-03-26 | 2013-03-26 | Device and method for cleaning ammonia distillation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103203336B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858771A (en) * | 2016-05-25 | 2016-08-17 | 中冶焦耐工程技术有限公司 | Ammonia stilling device cleaning method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345975A (en) * | 1978-09-12 | 1982-08-24 | Mitsui Kensetsu Kabushiki Kaisha | Process for preventing blockage in distillation column of treatment apparatus for ammoniacal waste liquid |
| CN201545757U (en) * | 2009-11-27 | 2010-08-11 | 盂县中信焦化有限公司 | Residual ammonia water treatment device in coking process |
| CN202144457U (en) * | 2011-07-07 | 2012-02-15 | 莱芜钢铁股份有限公司 | Negative-pressure ammonia distilling device of residual ammonia water in coking production |
| CN102358656A (en) * | 2011-09-14 | 2012-02-22 | 黑龙江建龙钢铁有限公司 | Residual ammonia water degreasing method |
| CN102636076A (en) * | 2012-04-10 | 2012-08-15 | 南京钢铁股份有限公司 | Online asphalt cleaning system and method for coking ammonia distillation waste water cooler |
| CN102721319A (en) * | 2012-03-29 | 2012-10-10 | 鞍钢股份有限公司 | Clearing method of distilled ammonia wastewater cooler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002028602A (en) * | 2000-07-19 | 2002-01-29 | Toshiba Plant Kensetsu Co Ltd | Device and method for cleaning cooling water system |
| JP2008082565A (en) * | 2006-09-26 | 2008-04-10 | Fuji Heavy Ind Ltd | Drainage recovery device for production steam |
-
2013
- 2013-03-26 CN CN201310098343.1A patent/CN103203336B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345975A (en) * | 1978-09-12 | 1982-08-24 | Mitsui Kensetsu Kabushiki Kaisha | Process for preventing blockage in distillation column of treatment apparatus for ammoniacal waste liquid |
| CN201545757U (en) * | 2009-11-27 | 2010-08-11 | 盂县中信焦化有限公司 | Residual ammonia water treatment device in coking process |
| CN202144457U (en) * | 2011-07-07 | 2012-02-15 | 莱芜钢铁股份有限公司 | Negative-pressure ammonia distilling device of residual ammonia water in coking production |
| CN102358656A (en) * | 2011-09-14 | 2012-02-22 | 黑龙江建龙钢铁有限公司 | Residual ammonia water degreasing method |
| CN102721319A (en) * | 2012-03-29 | 2012-10-10 | 鞍钢股份有限公司 | Clearing method of distilled ammonia wastewater cooler |
| CN102636076A (en) * | 2012-04-10 | 2012-08-15 | 南京钢铁股份有限公司 | Online asphalt cleaning system and method for coking ammonia distillation waste water cooler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103203336A (en) | 2013-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102787187B (en) | System and method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat | |
| CN104307241B (en) | The purging method of a kind of ceramic filter | |
| CN103203336B (en) | Device and method for cleaning ammonia distillation system | |
| CN103060497B (en) | Blast furnace slag sweeping water waste heat power generation system | |
| CN203170626U (en) | Ammonia stilling system cleaning device | |
| CN204151495U (en) | Rinsing bowl CS in a kind of viscose staple fibre production 2recovery system | |
| CN105600857B (en) | The vacuum degasing pretreatment of viscose rayon production neutral and alkali waste water | |
| CN102786953B (en) | Coke oven grouped novel bridge pipe crude gas waste heat recovery device | |
| CN214192611U (en) | Ammonium sulfate system water resource recycle device | |
| CN204644310U (en) | The dry slag of revivifier wets and arranges the device of Slag recovering method use | |
| CN107961580A (en) | A kind of ceramic filter pickling cyclic utilization system | |
| CN203701248U (en) | Comprehensive recycling device for waste water resource of thermal power plant | |
| CN202829936U (en) | Coke oven group novel bridge pipe device used for waste gas and waste heat recovery | |
| CN208136191U (en) | A kind of coke-stove gas processing system | |
| CN101993699A (en) | Coking indirect final cooling tower circulation washing process | |
| CN202346864U (en) | Equipment for recycling condensed water of oil-contained vapor | |
| CN205045838U (en) | Distilled water device | |
| CN205236348U (en) | Water saving fixtures of spray rinsing in advance that before painting handled | |
| CN204898785U (en) | Tower crane sprays water supply system | |
| CN104588381A (en) | Cleaning method for extraction plant capable of purifying wet process phosphoric acid with solvent extraction method | |
| CN104277858B (en) | A kind of oil shale distillation shale oil and gas phase separating technology | |
| CN207862258U (en) | Coke oven workshop water installations | |
| CN203489735U (en) | Novel waste water heat energy recoverer | |
| CN203295469U (en) | Device for preventing gas absorber oil from flowing backwards | |
| CN209840060U (en) | Exhaust steam drainage waste heat recycling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |