CN203890081U - Environment-friendly energy-saving device for producing concentrated ammonia water - Google Patents
Environment-friendly energy-saving device for producing concentrated ammonia water Download PDFInfo
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- CN203890081U CN203890081U CN201420139925.XU CN201420139925U CN203890081U CN 203890081 U CN203890081 U CN 203890081U CN 201420139925 U CN201420139925 U CN 201420139925U CN 203890081 U CN203890081 U CN 203890081U
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- ammonia
- pump
- wastewater
- heat exchanger
- water cooler
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- 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
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Abstract
The utility model discloses an environment-friendly energy-saving device for producing concentrated ammonia water and belongs to production of concentrated ammonia water. The device comprises a residual ammonia water tank, a wastewater heat exchanger, a heat-conduction oil heat exchanger, an ammonia distillation tower, a total condenser, an ammonia steam cooler, a reflux tank and an ammonia water reflux pump which are sequentially connected; an outlet end of the ammonia water reflux pump is divided into two paths, one path is connected to the ammonia distillation tower and the other path delivers ammonia water to the outside; a wastewater pump is arranged at the lower part of the ammonia distillation tower; the other end of the wastewater pump is divided into three paths, one path is connected with the ammonia distillation tower by virtue of a reboiler, another path is connected with the wastewater heat exchanger and the last path is connected with a jet circulating water tank; one end of the wastewater heat exchanger is connected with a wastewater delivery pipeline, one end of the jet circulating water tank is connected with a vacuum jet pump, and the other end of the jet circulating water tank is connected with a circulation liquid pump, the top of the jet circulating water tank is connected with a gas pipeline; and a non-condensable gas cooler is arranged between the vacuum jet pump and the top of the reflux tank. The device disclosed by the utility model has the characteristics that the heat consumption is greatly reduced and the pollution of the ammonia steam to the environment is eliminated.
Description
Technical field
The utility model relates to a kind of production of strong aqua, especially a kind of device of the energy saving and environment friendly production strong aqua that is applied to coking industry.
Background technology
In process of coking, owing to containing the nitrogen of 2% left and right in coal, together with the constitution water generating, formed remained ammonia in the time of coking, in this part ammoniacal liquor, contain the impurity such as tar, coal dust, its concentration is lower simultaneously, the next procedure of must being allowed for access after treatment, produces strong aqua coke-oven plant from for desulfurization or produce sulphur ammonium system as improved concentration rear.What in coking industry, produce that strong aqua generally applies is distillation method, tradition distillation method adopts thermal source to heat remained ammonia, ammonia in ammoniacal liquor is become to ammonia vapour from overhead extraction, in still-process, need to consume a large amount of heats, because produce under normal pressure, overflowing of ammonia vapour can pollutant atmosphere simultaneously.
At present, the solution also not had.
Utility model content
Technical assignment of the present utility model is the device that a kind of energy saving and environment friendly production strong aqua is provided for above-mentioned deficiency of the prior art, the device of this kind of energy saving and environment friendly production strong aqua has has increased a set of vacuum unit, realize the lower boiling distillation of material, greatly reduce the consumption of heat, again closed-loop operation simultaneously, eliminate the pollution of ammonia vapour to environment, reached the feature of the requirement of energy-saving and emission-reduction new technology and environmental protection.
The utility model solves the technical scheme that its technical problem adopts:
The device of a kind of energy saving and environment friendly production strong aqua of the present utility model, it comprises remained ammonia groove, wastewater heat exchange device, heat-condutive oil heat exchanger, ammonia still, reboiler, waste water pump, complete condenser, ammonia vapour water cooler, backflash, ammoniacal liquor reflux pump, non-condensable gas water cooler, vacuum jet pump, spraying cycle tank and recycle liquid pump; Described remained ammonia groove, wastewater heat exchange device, heat-condutive oil heat exchanger, ammonia still, complete condenser, ammonia vapour water cooler, backflash are connected successively with ammoniacal liquor reflux pump; The exit end of described ammoniacal liquor reflux pump divides two-way, and a road is connected with ammonia still, and another road is sent outside; The bottom of described ammonia still is provided with waste water pump; The other end Fen San road of described waste water pump, the reboiler of leading up to is connected with ammonia still, and a road is connected with wastewater heat exchange device, and another road is connected with spraying cycle tank; Described wastewater heat exchange device one end is sent pipeline outside with waste water and is connected, and described spraying cycle tank one end is connected with vacuum jet pump, and the other end is connected with recycle liquid pump, and top is connected with gas line; Between described vacuum jet pump and backflash top, be provided with non-condensable gas water cooler.
Between described recycle liquid pump and spraying cycle tank, be provided with circulation fluid water cooler.
The device of a kind of energy saving and environment friendly production strong aqua of the present utility model compared to the prior art, there is following outstanding beneficial effect: increased the vacuum jet pump that produces negative pressure, by reducing pressure in ammonia still to reach the boiling point that reduces remained ammonia, greatly reduce the consumption of heat, ammonia still pressure is less than barometric point, in vacuum state; Because production equipment is in airtight, there is no the excessive of ammonia vapour, can not cause environmental pollution; The non-condensable gas that ammonia still process process produces is incorporated to gas line, has improved environment; It is personal that the strong aqua of producing enters HPF desulphurization system, do not need outsourcing alkali source again.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of energy saving and environment friendly production strong aqua;
Description of reference numerals: 1 remained ammonia groove, 2 wastewater heat exchange devices, 3 heat-condutive oil heat exchangers, 4 ammonia stills, 5, remained ammonia pump, 6 waste water pumps, 7 reboilers, 8 ammoniacal liquor reflux pumps, 9 backflashes, 10 ammonia vapour water coolers, 11 complete condensers, 12 non-condensable gas water coolers, 13 spraying cycle tanks, 14 circulation fluid water coolers, 15 vacuum jet pumps, 16 recycle liquid pumps.
Embodiment
With reference to Figure of description 1, the device of a kind of energy saving and environment friendly production strong aqua of the present utility model is described in detail below.
The device of a kind of energy saving and environment friendly production strong aqua of the present utility model, it comprises remained ammonia groove 1, wastewater heat exchange device 2, heat-condutive oil heat exchanger 3, ammonia still 4, reboiler 7, waste water pump 6, complete condenser 11, ammonia vapour water cooler 10, backflash 9, ammoniacal liquor reflux pump 8, non-condensable gas water cooler 12, vacuum jet pump 15, spraying cycle tank 13 and recycle liquid pump 16; Described remained ammonia groove 1, wastewater heat exchange device 2, heat-condutive oil heat exchanger 3, ammonia still 4, complete condenser 11, ammonia vapour water cooler 10, backflash 9 are connected successively with ammoniacal liquor reflux pump 8; The exit end of described ammoniacal liquor reflux pump 8 divides two-way, and a road is connected with ammonia still 4, and another road is sent outside; The bottom of described ammonia still 4 is provided with waste water pump 6; The other end Fen San road of described waste water pump 6, the reboiler 7 of leading up to is connected with ammonia still 4, and a road is connected with wastewater heat exchange device 2, and another road is connected with spraying cycle tank 13; Described wastewater heat exchange device 2 one end are sent pipeline outside with waste water and are connected, and described spraying cycle tank 13 one end are connected with vacuum jet pump 15, and the other end is connected with recycle liquid pump 16, and top is connected with gas line; Between described vacuum jet pump 15 and backflash 9 tops, be provided with non-condensable gas water cooler 12.
Between described recycle liquid pump 16 and spraying cycle tank 13, be provided with circulation fluid water cooler 14.
Remained ammonia in remained ammonia groove 1 is extracted out by remained ammonia pump 5, delivered to after wastewater heat exchange device 2 and heat-condutive oil heat exchanger 3 heat exchange, then enter ammonia still 4 and carry out ammonia still process, the thermal wastewater that after ammonia still process, ammonia still 4 bottoms form is extracted out by waste water pump 6, one tunnel enters wastewater heat exchange device 2 and carries out sending outside after heat exchange with remained ammonia, one tunnel is beaten to spraying cycle tank 13, reboiler 7 is squeezed on one tunnel, by reboiler 7, thermal wastewater being heated up vaporizes, the steam producing after vaporization returns in ammonia still 4, as the termite of ammonia still 4, after ammonia still process, ammonia still 4 top ammonia vapour enter complete condenser 11 and ammonia vapour water cooler 10 carries out cooling, the ammoniacal liquor of cooling rear formation enters backflash 9, under the backflash 9 top sections suction that condensing does not produce at vacuum jet pump 15, enter non-condensable gas water cooler 12, after non-condensable gas water cooler 12 is cooling, enter spraying cycle tank 13 through vacuum jet pump 15 again, part ammonia vapour in non-condensable gas is dissolved in the circulation fluid in spraying cycle tank 13, all the other non-condensable gas tail gas enter gas line, the finished product ammoniacal liquor of backflash 9 interior formation is extracted out by ammoniacal liquor reflux pump 8, beat to ammonia still 4 tops and reflux, all the other finished product ammoniacal liquor are sent outside, when the circulation fluid in spraying cycle tank 13 reaches setting concentration containing ammonia after, send outside through recycle liquid pump 16, to remained ammonia groove or finished product ammonia vessel, supplement again afterwards distilled ammonia wastewater, for reduction is sprayed by circulation fluid temperature gas clean-up, extract after part injection circulation fluid send circulation fluid water cooler 14 cooling and return spraying cycle tank 13 with recycle liquid pump 16.
Except the technical characterictic described in specification sheets, be the known technology of those skilled in the art.
Claims (2)
1. a device for energy saving and environment friendly production strong aqua, is characterized in that: comprise remained ammonia groove, wastewater heat exchange device, heat-condutive oil heat exchanger, ammonia still, reboiler, waste water pump, complete condenser, ammonia vapour water cooler, backflash, ammoniacal liquor reflux pump, non-condensable gas water cooler, vacuum jet pump, spraying cycle tank and recycle liquid pump; Described remained ammonia groove, wastewater heat exchange device, heat-condutive oil heat exchanger, ammonia still, complete condenser, ammonia vapour water cooler, backflash are connected successively with ammoniacal liquor reflux pump; The exit end of described ammoniacal liquor reflux pump divides two-way, and a road is connected with ammonia still, and another road is sent outside; The bottom of described ammonia still is provided with waste water pump; The other end Fen San road of described waste water pump, the reboiler of leading up to is connected with ammonia still, and a road is connected with wastewater heat exchange device, and another road is connected with spraying cycle tank; Described wastewater heat exchange device one end is sent pipeline outside with waste water and is connected, and described spraying cycle tank one end is connected with vacuum jet pump, and the other end is connected with recycle liquid pump, and top is connected with gas line; Between described vacuum jet pump and backflash top, be provided with non-condensable gas water cooler.
2. the device of a kind of energy saving and environment friendly production strong aqua according to claim 1, is characterized in that: between described recycle liquid pump and spraying cycle tank, be provided with circulation fluid water cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139925.XU CN203890081U (en) | 2014-03-26 | 2014-03-26 | Environment-friendly energy-saving device for producing concentrated ammonia water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139925.XU CN203890081U (en) | 2014-03-26 | 2014-03-26 | Environment-friendly energy-saving device for producing concentrated ammonia water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203890081U true CN203890081U (en) | 2014-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139925.XU Withdrawn - After Issue CN203890081U (en) | 2014-03-26 | 2014-03-26 | Environment-friendly energy-saving device for producing concentrated ammonia water |
Country Status (1)
| Country | Link |
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| CN (1) | CN203890081U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833093A (en) * | 2014-03-26 | 2014-06-04 | 济钢集团有限公司 | Energy-saving and environment-friendly device and technology for producing concentrated ammonia water |
| CN104891726A (en) * | 2015-06-30 | 2015-09-09 | 长沙华时捷环保科技发展有限公司 | Treatment system for high-concentration ammonia-nitrogen wastewater |
| CN108840386A (en) * | 2018-08-31 | 2018-11-20 | 荏原冷热系统（中国）有限公司 | A kind of ammonia steaming system |
-
2014
- 2014-03-26 CN CN201420139925.XU patent/CN203890081U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833093A (en) * | 2014-03-26 | 2014-06-04 | 济钢集团有限公司 | Energy-saving and environment-friendly device and technology for producing concentrated ammonia water |
| CN103833093B (en) * | 2014-03-26 | 2015-03-18 | 济钢集团有限公司 | Energy-saving and environment-friendly device and technology for producing concentrated ammonia water |
| CN104891726A (en) * | 2015-06-30 | 2015-09-09 | 长沙华时捷环保科技发展有限公司 | Treatment system for high-concentration ammonia-nitrogen wastewater |
| CN108840386A (en) * | 2018-08-31 | 2018-11-20 | 荏原冷热系统（中国）有限公司 | A kind of ammonia steaming system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20150318 |
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| RGAV | Abandon patent right to avoid regrant |