CN103130243B - Energy-saving device of ammonia still ammonia vapor after being condensed and cooled to enter precooling tower - Google Patents
Energy-saving device of ammonia still ammonia vapor after being condensed and cooled to enter precooling tower Download PDFInfo
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- CN103130243B CN103130243B CN201310048678.2A CN201310048678A CN103130243B CN 103130243 B CN103130243 B CN 103130243B CN 201310048678 A CN201310048678 A CN 201310048678A CN 103130243 B CN103130243 B CN 103130243B
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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 invention discloses an energy-saving device of ammonia still ammonia vapor after being condensed and cooled to enter a precooling tower. The energy-saving device of the ammonia still ammonia vapor after being condensed and cooled to enter the precooling tower comprises an ammonia vapor condenser and the ammonia still, wherein one end of the ammonia vapor condenser is connected with an ammonia vapor inlet pipe, the ammonia vapor inlet pipe guides high-temperature ammonia vapor in the ammonia still to enter the ammonia vapor condenser, the ammonia vapor inlet pipe and a precooling tower ammonia vapor pipe are respectively connected with a header pipe of the tower top of the ammonia still at the position of pipe orifice connection , the ammonia vapor condenser cools the high-temperature ammonia vapor through circulating cooling water flowing in a cooling water inlet pipe and a cooling water outlet pipe, the high-temperature ammonia vapor in the ammonia vapor condenser is cooled to be liquid-state ammonia water, the liquid-state ammonia water in the ammonia vapor condenser is exported through an ammonia water outlet pipe, and a reactive tank ammonia water pipe and a crossover pipe are connected with the ammonia water outlet pipe at the position of pipe orifice connection. The energy-saving device of the ammonia still ammonia vapor after being condensed and cooled to enter the precooling tower is low in manufacturing cost and little in energy consumption, and the facts that energy is saved, and the cost is reduced are achieved.
Description
Technical field
The present invention relates to ammonia distillation equipment technical field, particularly after a kind of ammonia still ammonia vapour condensing cooling, enter the energy saver of precooling tower.
background skill
Can produce in coking production process with ammoniacal liquor is the production waste of main component, remained ammonia in production waste needs to be collected by distillation plant, general remained ammonia completes distillation in ammonia still, ammoniacal liquor after distillation becomes the ammonia vapour of ammonia quantity about 7% temperature about 100.5 DEG C, ammonia vapour overflows from the tower top of ammonia still, enters precooling tower and cools together with coal gas.Wherein the water of gaseous state and ammonia are recycled phlegma and are condensed into liquid ammoniacal liquor, after circulating condensing liquid absorbs a large amount of condensation latent heat, spray with continuing circulation after water at low temperature cooling through interchanger again, ensure out that tower gas temperature is at 25 DEG C, and in summer because temperature is higher, water at low temperature in interchanger needs to adopt the refrigeration equipment coolings such as lithiumbromide to obtain, and manufacturing cost is high, and energy consumption is large.
Summary of the invention
Technical problem to be solved by this invention enters the energy saver of precooling tower after being to provide a kind of ammonia still ammonia vapour condensing cooling, crossing pipe is increased between ammoniacal liquor rising pipe and precooling tower ammonia steam pipe road, utilize condenser that the ammonia vapour going out ammonia still is first condensed into ammoniacal liquor, introduce in precooling tower again by crossing pipe, condenser adopts the circulating water of low cost.
The technical solution adopted for the present invention to solve the technical problems is: the energy saver entering precooling tower after providing a kind of ammonia still ammonia vapour condensing cooling, comprise ammonia vapour condenser and ammonia still, described ammonia vapour condenser one end is connected with ammonia vapour inlet pipe, described ammonia vapour inlet pipe arranges ammonia vapour control valve I, described ammonia vapour inlet pipe guides the Ammonia vapour in ammonia still to enter ammonia vapour condenser, the house steward of described ammonia still tower top is connected with precooling tower ammonia steam pipe road with ammonia vapour inlet pipe respectively in mouth of pipe junction, ammonia vapour control valve II is arranged in described precooling tower ammonia steam pipe road, described ammonia vapour condenser carries out condensing cooling by the recirculated cooling water flowed in cooling water inlet pipe and cooling water outlet pipe to Ammonia vapour, Ammonia vapour in described ammonia vapour condenser is cooled to liquid ammoniacal liquor, liquid ammoniacal liquor in described ammonia vapour condenser is derived by ammoniacal liquor rising pipe, described ammoniacal liquor rising pipe is connected with reactive tank ammonia water pipe and crossing pipe respectively in mouth of pipe junction, described reactive tank ammonia water pipe arranges ammoniacal liquor control valve I, described crossing pipe is arranged ammoniacal liquor control valve II, described crossing pipe connects ammoniacal liquor rising pipe and precooling tower ammonia steam pipe road.
Described crossing pipe guides the liquid ammoniacal liquor in ammonia vapour condenser to enter precooling tower.
Described reactive tank ammonia water pipe guides the liquid ammoniacal liquor in ammonia vapour condenser to enter desulphurization reaction groove.
Described cooling water inlet pipe and cooling water outlet pipe are furnished with cooling water control valve I and cooling water control valve II respectively.
Described precooling tower ammonia steam pipe road directly guides the Ammonia vapour in ammonia still to enter precooling tower.
beneficial effect
The energy saver of precooling tower is entered after the present invention relates to a kind of ammonia still ammonia vapour condensing cooling, because the condensation latent heat of ammonia vapour taken away by condenser, so reduce the working heat load of precooling tower, precooling tower water at low temperature has cooled, thus reduce the load of refrigerator, achieve energy saving and cost lowering.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in Figure 1, the energy saver of precooling tower is entered after the present invention relates to a kind of ammonia still ammonia vapour condensing cooling, comprise ammonia vapour condenser 5 and ammonia still 1, described ammonia vapour condenser 5 one end is connected with ammonia vapour inlet pipe 4, described ammonia vapour inlet pipe 4 arranges ammonia vapour control valve I 3, described ammonia vapour inlet pipe 4 guides the Ammonia vapour in ammonia still 1 to enter ammonia vapour condenser 5, the house steward 2 of described ammonia still 1 tower top is connected with precooling tower ammonia steam pipe road 12 with ammonia vapour inlet pipe 4 respectively in mouth of pipe junction, ammonia vapour control valve II 11 is arranged in described precooling tower ammonia steam pipe road 12, described ammonia vapour condenser 5 is cooled Ammonia vapour by the recirculated cooling water of flowing in cooling water inlet pipe 8 and cooling water outlet pipe 7, Ammonia vapour in described ammonia vapour condenser 5 is cooled to liquid ammoniacal liquor, liquid ammoniacal liquor in described ammonia vapour condenser 5 is derived by ammoniacal liquor rising pipe 10, described ammoniacal liquor rising pipe 10 is connected with reactive tank ammonia water pipe 16 and crossing pipe 14 respectively in mouth of pipe junction, described reactive tank ammonia water pipe 16 arranges ammoniacal liquor control valve I 15, described crossing pipe 14 arranges ammoniacal liquor control valve II 13, described crossing pipe 14 connects ammoniacal liquor rising pipe 10 and precooling tower ammonia steam pipe road 12, described crossing pipe 14 guides the liquid ammoniacal liquor in ammonia vapour condenser 5 to enter precooling tower, described reactive tank ammonia water pipe 16 guides the liquid ammoniacal liquor in ammonia vapour condenser 5 to enter desulphurization reaction groove, described cooling water inlet pipe 8 and cooling water outlet pipe 7 are furnished with cooling water control valve I 9 and cooling water control valve II 6 respectively, described precooling tower ammonia steam pipe road 12 directly guides the Ammonia vapour in ammonia still 1 to enter precooling tower.
Embodiment 1
Remained ammonia first distills in ammonia still 1, ammonia contained in remained ammonia is condensed into aqueous ammonia vapour, after ammonia still process, trace is discharged at the bottom of tower containing the waste water of ammonia, ammonia vapour is assembled at the tower top of ammonia still 1, the house steward 2 of tower top and the ammonia vapour inlet pipe 4 of going forward side by side enters in ammonia vapour condenser 5, now, ammonia vapour control valve I 3 place normally open, ammonia vapour control valve II 11 place normally off, the cooling water inlet pipe 8 be connected with ammonia vapour condenser 5 and the cooling water control valve I 9 of cooling water outlet pipe 7 and cooling water control valve II 6 keep normally open, cooling water inlet pipe 8 and the interior flowing of cooling water outlet pipe 7 have recirculated cooling water, ensure that ammonia vapour condenser 5 is in low-temperature condition, enter ammonia vapour in ammonia vapour condenser 5 through cooling liquefy ammoniacal liquor, close ammoniacal liquor control valve I 15, open ammoniacal liquor control valve II 13, liquid ammoniacal liquor in ammonia vapour condenser 5 is entered in precooling tower through ammoniacal liquor rising pipe 10 and crossing pipe 14.
Claims (5)
1. after an ammonia still ammonia vapour condensing cooling, enter the energy saver of precooling tower, comprise ammonia vapour condenser (5) and ammonia still (1), it is characterized in that, described ammonia vapour condenser (5) one end is connected with ammonia vapour inlet pipe (4), described ammonia vapour inlet pipe (4) is upper arranges ammonia vapour control valve I (3), described ammonia vapour inlet pipe (4) guides the Ammonia vapour in ammonia still (1) to enter ammonia vapour condenser (5), the house steward (2) of described ammonia still (1) tower top is connected with precooling tower ammonia steam pipe road (12) with ammonia vapour inlet pipe (4) respectively in mouth of pipe junction, described precooling tower ammonia steam pipe road (12) is upper arranges ammonia vapour control valve II (11), described ammonia vapour condenser (5) carries out condensing cooling by the recirculated cooling water of flowing in cooling water inlet pipe (8) and cooling water outlet pipe (7) to Ammonia vapour, Ammonia vapour in described ammonia vapour condenser (5) is cooled to liquid ammoniacal liquor, liquid ammoniacal liquor in described ammonia vapour condenser (5) is derived by ammoniacal liquor rising pipe (10), described ammoniacal liquor rising pipe (10) is connected with reactive tank ammonia water pipe (16) and crossing pipe (14) respectively in mouth of pipe junction, described reactive tank ammonia water pipe (16) is upper arranges ammoniacal liquor control valve I (15), described crossing pipe (14) is upper arranges ammoniacal liquor control valve II (13), described crossing pipe (14) connects ammoniacal liquor rising pipe (10) and precooling tower ammonia steam pipe road (12).
2. enter the energy saver of precooling tower after a kind of ammonia still ammonia vapour condensing cooling according to claim 1, it is characterized in that, described crossing pipe (14) guides the liquid ammoniacal liquor in ammonia vapour condenser (5) to enter precooling tower.
3. enter the energy saver of precooling tower after a kind of ammonia still ammonia vapour condensing cooling according to claim 1, it is characterized in that, described reactive tank ammonia water pipe (16) guides the liquid ammoniacal liquor in ammonia vapour condenser (5) to enter desulphurization reaction groove.
4. after a kind of ammonia still ammonia vapour condensing cooling according to claim 1, enter the energy saver of precooling tower, it is characterized in that, described cooling water inlet pipe (8) and cooling water outlet pipe (7) are furnished with cooling water control valve I (9) and cooling water control valve II (6) respectively.
5. enter the energy saver of precooling tower after a kind of ammonia still ammonia vapour condensing cooling according to claim 1, it is characterized in that, described precooling tower ammonia steam pipe road (12) directly guides the Ammonia vapour in ammonia still (1) to enter precooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310048678.2A CN103130243B (en) | 2013-02-07 | 2013-02-07 | Energy-saving device of ammonia still ammonia vapor after being condensed and cooled to enter precooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310048678.2A CN103130243B (en) | 2013-02-07 | 2013-02-07 | Energy-saving device of ammonia still ammonia vapor after being condensed and cooled to enter precooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103130243A CN103130243A (en) | 2013-06-05 |
| CN103130243B true CN103130243B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310048678.2A Expired - Fee Related CN103130243B (en) | 2013-02-07 | 2013-02-07 | Energy-saving device of ammonia still ammonia vapor after being condensed and cooled to enter precooling tower |
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| Country | Link |
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| CN (1) | CN103130243B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475350B (en) * | 2015-08-24 | 2018-06-26 | 鞍钢股份有限公司 | A kind of precooling tower fast sweep method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104483A (en) * | 1986-06-28 | 1988-03-02 | 贵阳市科学技术情报研究所 | From ammoniacal liquor, reclaim the novel process of ammonia |
| CN1034904A (en) * | 1988-02-08 | 1989-08-23 | 上海化工设计院 | The method of purifying coke oven gas and getting ammonium hydrogen carbonate as by-product |
| EP2199720A1 (en) * | 2007-10-16 | 2010-06-23 | Kabushiki Kaisha Toshiba | Double-pressure type condenser, and condensate reheating method |
| CN201591992U (en) * | 2009-12-29 | 2010-09-29 | 鲁西化工集团股份有限公司 | Heat reutilization device of primary absorption tower cooler |
-
2013
- 2013-02-07 CN CN201310048678.2A patent/CN103130243B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104483A (en) * | 1986-06-28 | 1988-03-02 | 贵阳市科学技术情报研究所 | From ammoniacal liquor, reclaim the novel process of ammonia |
| CN1034904A (en) * | 1988-02-08 | 1989-08-23 | 上海化工设计院 | The method of purifying coke oven gas and getting ammonium hydrogen carbonate as by-product |
| EP2199720A1 (en) * | 2007-10-16 | 2010-06-23 | Kabushiki Kaisha Toshiba | Double-pressure type condenser, and condensate reheating method |
| CN201591992U (en) * | 2009-12-29 | 2010-09-29 | 鲁西化工集团股份有限公司 | Heat reutilization device of primary absorption tower cooler |
Non-Patent Citations (1)
| Title |
|---|
| 氨法HPF煤气脱硫工艺的改进;李胜改等;《燃料与化工》;20060331;第37卷(第2期);40-41 * |
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| CN103130243A (en) | 2013-06-05 |
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Granted publication date: 20150422 Termination date: 20180207 |