CN105371694A - Energy-saving and consumption-reducing crystal external cooler cleaning device - Google Patents
Energy-saving and consumption-reducing crystal external cooler cleaning device Download PDFInfo
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- CN105371694A CN105371694A CN201510790249.1A CN201510790249A CN105371694A CN 105371694 A CN105371694 A CN 105371694A CN 201510790249 A CN201510790249 A CN 201510790249A CN 105371694 A CN105371694 A CN 105371694A
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Abstract
The invention provides an energy-saving and consumption-reducing crystal external cooler cleaning device. The energy-saving and consumption-reducing crystal external cooler cleaning device comprises an ammonia mother I liquor barrel, a cleaning ammonia mother I liquor barrel, a cleaning pump, a liquid ammonia external cooler and an ammonia sucking device, wherein an ammonia mother I liquor inlet is formed in the top of the cleaning ammonia mother I liquor barrel, an ammonia mother I liquor overflowing opening is formed in the upper portion of the lateral wall of the cleaning ammonia mother I liquor barrel, a cleaning ammonia mother I liquor returning opening is formed in the upper portion of the lateral wall of the cleaning ammonia mother I liquor barrel, and a cleaning ammonia mother I liquor outlet is formed in the lower portion of the lateral wall of the cleaning ammonia mother I liquor barrel. The ammonia mother I liquor overflowing opening is connected with the top inlet of the ammonia mother I liquor barrel. The ammonia mother I liquor outlet is connected with a feeding inlet of the cleaning pump. An outlet of the cleaning pump is connected with a cleaning inlet of the lower portion of the lateral wall of the liquid ammonia external cooler. The ammonia mother I liquor returning opening is connected with an overflowing opening in the upper portion of the lateral wall of the liquid ammonia external cooler. The stability of the energy-saving and cost-reducing crystal external cooler cleaning device is achieved during operation, a certain liquid level is kept at the inlet of the cleaning pump all the time, and the energy consumption is reduced.
Description
Technical field
The present invention relates to soda manufacture technical field, especially relate to a kind of energy-saving and cost-reducing crystal external condensation device cleaning device.
Background technology
World today's soda manufacture method mainly contains three kinds: ammonia-soda process, union soda and natural alkaline process, and in union soda, Crystallization Procedure is critical process; Crystallization Procedure is by composition various in the systematic stock solution at different temperature, the difference of crystallization, by the continuous circulating cooling cooling of liquefied ammonia Outer Cooler, reaches NH
4cl Precipitation Temperature is separated out, and further growth in a crystallizer, separates out qualified NH
4cl product.
Mother liquor is continuous circulating cooling in the liquefied ammonia Outer Cooler of operation, and after reaching some cycles, Outer Cooler heat exchanger tube inwall scabs, and affect heat exchange cooling, system must be stopped and be switched another liquefied ammonia Outer Cooler for subsequent use operation.The inactive liquefied ammonia Outer Cooler scabbed in heat exchanger tube inside, in order to continue operation, eliminate the scar block in pipe, and Outer Cooler must regular continuous wash.
Form the female I liquid of hot ammonia after female I liquid inhales ammonia, the female I liquid of hot ammonia has very strong molten scar ability, and the Outer Cooler that scabs adopts the female I liquid cleaning of hot ammonia, and to certain all after dates, clean scar block in heat exchanger tube, Outer Cooler comes into operation.After the Outer Cooler cleaned up comes into operation, clean after the Outer Cooler reversing of original work industry.In prior art, purging system scavenging pump cleans, and often organizes the corresponding one group of purging system of Outer Cooler.There is following problem in existing purging system: the difference in height 1, not making full use of liquefied ammonia Outer Cooler, energy dissipation, and cost is high; 2, scavenging pump system power consumption is high; 3, ammonia female I liquid bucket liquid level is unstable, influential system throwing amount.
Summary of the invention
For the deficiencies in the prior art, the object of the invention is to provide a kind of energy-saving and cost-reducing crystal external condensation device cleaning device, makes full use of the difference in height of liquefied ammonia Outer Cooler, reduces energy consumption, economize energy.
The technical solution used in the present invention is:
A kind of energy-saving and cost-reducing crystal external condensation device cleaning device, comprise ammonia female I liquid bucket, cleaning ammonia female I liquid bucket, scavenging pump, liquefied ammonia Outer Cooler and ammonia absorber, the top of described cleaning ammonia female I liquid bucket is provided with ammonia female I liquid inlet, the top of the sidewall of described cleaning ammonia female I liquid bucket is provided with ammonia female I hydrorrhea head piece, the top of the sidewall of described cleaning ammonia female I liquid bucket is also provided with cleaning ammonia female I liquid liquid return hole, the position of described ammonia female I liquid liquid return hole is lower than described ammonia female I hydrorrhea head piece, the bottom of the sidewall of described cleaning ammonia female I liquid bucket is provided with cleaning ammonia female I liquid liquid outlet, the top of described ammonia absorber is connected with gas ammonia intake pipeline with female I liquid intake pipeline respectively with sidewall, the outlet of described ammonia absorber is connected with described ammonia female I liquid inlet by pipeline, described ammonia female I hydrorrhea head piece is connected by the top entry of pipeline with described ammonia female I liquid bucket, described ammonia female I liquid liquid outlet is connected by the charging aperture of pipeline with described scavenging pump, described cleaning delivery side of pump is connected by the cleaning import of pipeline with the bottom of the sidewall of described liquefied ammonia Outer Cooler, described ammonia female I liquid liquid return hole is connected by the overfall of pipeline with the top of the sidewall of liquefied ammonia Outer Cooler.
Energy-saving and cost-reducing crystal external condensation device cleaning device of the present invention, wherein, also comprise filtrate tank, the lower part outlet of the sidewall of described liquefied ammonia Outer Cooler is connected with described filtrate tank by pipeline.
Energy-saving and cost-reducing crystal external condensation device cleaning device of the present invention, wherein, also comprise ammonia female I liquid throwing amount pump, the bottom of the sidewall of described ammonia female I liquid bucket is connected with described ammonia female I liquid throwing amount pump by pipeline, and described ammonia female I liquid throwing amount delivery side of pump is connected with crystal system by pipeline.
Beneficial effect of the present invention:
Energy-saving and cost-reducing crystal external condensation device cleaning device of the present invention, sets up high-order cleaning ammonia female I liquid bucket, effectively can ensure the level stability cleaning ammonia female I liquid bucket; Effectively can utilize the difference in height of liquefied ammonia Outer Cooler; The stability that cleaning device runs can be stablized; All the time can ensure that the import of scavenging pump has certain liquid level, reduce energy consumption.
Energy-saving and cost-reducing crystal external condensation device cleaning device of the present invention, also comprise filtrate tank, the lower part outlet of the sidewall of liquefied ammonia Outer Cooler is connected with filtrate tank by pipeline, after cleaning terminates, the female I liquid of cleaning ammonia enters in filtrate tank, is utilized, economize energy by transport pump to system.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy-saving and cost-reducing crystal external condensation device cleaning device of the present invention;
Fig. 2 is the structural representation of cleaning ammonia female I liquid bucket of energy-saving and cost-reducing crystal external condensation device cleaning device of the present invention.
Below in conjunction with specific embodiments and the drawings, the invention will be further described.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of energy-saving and cost-reducing crystal external condensation device cleaning device, comprise ammonia female I liquid bucket 1, ammonia female I liquid throwing amount pump 2, cleaning ammonia female I liquid bucket 3, scavenging pump 4, liquefied ammonia Outer Cooler 5, filtrate tank 6 and ammonia absorber 7, the top of cleaning ammonia female I liquid bucket 3 is provided with ammonia female I liquid inlet 31, the top of the sidewall of cleaning ammonia female I liquid bucket 3 is provided with ammonia female I hydrorrhea head piece 32, the top of the sidewall of cleaning ammonia female I liquid bucket 3 is also provided with cleaning ammonia female I liquid liquid return hole 33, for preventing ammonia, the imflammable gas such as hydrogen pass back in liquefied ammonia Outer Cooler 5, the position of ammonia female I liquid liquid return hole 33 is lower than ammonia female I hydrorrhea head piece 32, the bottom of the sidewall of cleaning ammonia female I liquid bucket 3 is provided with cleaning ammonia female I liquid liquid outlet 34, the top of ammonia absorber 7 is connected with gas ammonia intake pipeline with female I liquid intake pipeline respectively with sidewall, the outlet of ammonia absorber 7 is connected with ammonia female I liquid inlet 31 by pipeline, ammonia female I hydrorrhea head piece 32 is connected by the top entry of pipeline with ammonia female I liquid bucket 1, in order to ensure the smoothness of system cloud gray model, in ammonia female I liquid washing bucket 3, the female I liquid of ammonia of high liquid level flows in ammonia female I liquid bucket 1 by ammonia female I hydrorrhea head piece 32, the bottom of the sidewall of ammonia female I liquid bucket 1 is connected with ammonia female I liquid throwing amount pump 2 by pipeline, the outlet of ammonia female I liquid throwing amount pump 2 is connected with crystal system by pipeline.Ammonia female I liquid liquid outlet 34 is connected by the charging aperture of pipeline with scavenging pump 4, the outlet of scavenging pump 4 is connected with the cleaning import of the bottom of the sidewall of liquefied ammonia Outer Cooler 5 by pipeline, the lower part outlet of the sidewall of liquefied ammonia Outer Cooler 5 is connected with filtrate tank 6 by pipeline, and ammonia female I liquid liquid return hole 33 is connected by the overfall of pipeline with the top of the sidewall of liquefied ammonia Outer Cooler 5.
The energy-saving and cost-reducing crystal external condensation device cleaning device of the present embodiment in use, in ammonia absorber 7, the female I liquid of ammonia of heat is formed after female I liquid absorbs gas ammonia, the female I liquid of ammonia of heat enters cleaning ammonia female I liquid bucket 3, scavenging pump 4 extracts the female I liquid of cleaning ammonia out from cleaning ammonia female I liquid bucket 3 of a high position, and the cleaning import being transported to the liquefied ammonia Outer Cooler 5 of Crystallization Procedure by pressure is cleaned Outer Cooler heat exchanger tube inwall; The female I liquid of ammonia after cleaning directly overflows to high-order cleaning ammonia female I liquid bucket 3 by the overfall of liquefied ammonia Outer Cooler 5; After the liquid level of cleaning ammonia female I liquid bucket 3 is full, the female I liquid of ammonia overflows to by pipeline ammonia female I liquid bucket 1 that throwing amount uses; The female I liquid of ammonia in ammonia female I liquid bucket 1 is transported to crystal system by ammonia female I liquid throwing amount pump 2, carries out the production of throwing amount; After liquefied ammonia Outer Cooler 5 operation to some cycles, scab in pipe, be switched to Outer Cooler operation for subsequent use, mother liquor in the liquefied ammonia Outer Cooler 5 that turned letter scabs; Carry out the female I liquid cleaning of ammonia to the liquefied ammonia Outer Cooler 5 scabbed, to some cycles, after in pipe, scar block cleans up, liquefied ammonia Outer Cooler 5 is for subsequent use, so circulates.The female I liquid of ammonia after cleaning flows automatically to filtrate tank 6 by pipeline, and system of sending into uses.
The energy-saving and cost-reducing crystal external condensation device cleaning device of the present embodiment, by designing cleaning ammonia female I liquid bucket 3 of a high position, storing separately, ensureing the stable of ammonia female I liquid cleaning, adopt high-order cleaning ammonia female I liquid stocking system, effectively can ensure the liquid level of the import of scavenging pump 4.
The energy-saving and cost-reducing crystal external condensation device cleaning device of the present embodiment is applied to production system, and the relevant concrete data of production process and result are as follows:
After enforcement, scavenging pump 4 inlet pressure brings up to 15.5 meters; Owing to there being high-order cleaning ammonia female I liquid bucket 3, its liquid level is controlled by overflow, liquid level stabilizing, and scavenging pump 4 operates steadily, and the cleaning performance of liquefied ammonia Outer Cooler 5 is better, effectively extends the activity duration of Outer Cooler.
The cleaning device power savings of the present embodiment is obvious, as follows:
Cleaning device scavenging pump 4 has 4, and wherein 2 parameters are: lift 40m; Other 2 parameters of motor power demand 110KW are: lift 40m; Motor power demand 132KW.After scavenging pump 4 inlet pressure brings up to 15.5 meters, other parameter constant, then the power demand of scavenging pump 4 is respectively 75KW and 90KW, and single pump economize on electricity 35KW and 42KW, namely economizes on electricity 31.8% respectively.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (3)
1. an energy-saving and cost-reducing crystal external condensation device cleaning device, it is characterized in that: comprise female I liquid bucket (1) of ammonia, female I liquid bucket (3) of cleaning ammonia, scavenging pump (4), liquefied ammonia Outer Cooler (5) and ammonia absorber (7), the top of female I liquid bucket (3) of described cleaning ammonia is provided with female I liquid inlet (31) of ammonia, the top of the sidewall of female I liquid bucket (3) of described cleaning ammonia is provided with female I hydrorrhea head piece (32) of ammonia, the top of the sidewall of female I liquid bucket (3) of described cleaning ammonia is also provided with female I liquid liquid return hole (33) of cleaning ammonia, the position of female I liquid liquid return hole (33) of described ammonia is lower than female I hydrorrhea head piece (32) of described ammonia, the bottom of the sidewall of female I liquid bucket (3) of described cleaning ammonia is provided with female I liquid liquid outlet (34) of cleaning ammonia, the top of described ammonia absorber (7) is connected with gas ammonia intake pipeline with female I liquid intake pipeline respectively with sidewall, the outlet of described ammonia absorber (7) is connected by female I liquid inlet (31) of pipeline and described ammonia, female I hydrorrhea head piece (32) of described ammonia is connected by the top entry of female I liquid bucket (1) of pipeline and described ammonia, female I liquid liquid outlet (34) of described ammonia is connected by the charging aperture of pipeline with described scavenging pump (4), the outlet of described scavenging pump (4) is connected by the cleaning import of pipeline with the bottom of the sidewall of described liquefied ammonia Outer Cooler (5), female I liquid liquid return hole (33) of described ammonia is connected by the overfall of pipeline with the top of the sidewall of liquefied ammonia Outer Cooler (5).
2. energy-saving and cost-reducing crystal external condensation device cleaning device according to claim 1, it is characterized in that: also comprise filtrate tank (6), the lower part outlet of the sidewall of described liquefied ammonia Outer Cooler (5) is connected with described filtrate tank (6) by pipeline.
3. energy-saving and cost-reducing crystal external condensation device cleaning device according to claim 1 and 2, it is characterized in that: also comprise female I liquid throwing amount pump (2) of ammonia, the bottom of the sidewall of female I liquid bucket (1) of described ammonia is connected by female I liquid throwing amount pump (2) of pipeline and described ammonia, and the outlet of female I liquid throwing amount pump (2) of described ammonia is connected with crystal system by pipeline.
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| CN201510790249.1A CN105371694B (en) | 2015-11-17 | 2015-11-17 | A kind of energy-saving crystal external condensation device cleaning device |
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| CN201510790249.1A CN105371694B (en) | 2015-11-17 | 2015-11-17 | A kind of energy-saving crystal external condensation device cleaning device |
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| CN105371694A true CN105371694A (en) | 2016-03-02 |
| CN105371694B CN105371694B (en) | 2018-01-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903732A (en) * | 2016-04-12 | 2016-08-31 | 天津渤化永利化工股份有限公司 | Method for cleaning external cooler of combined-alkali crystallization process |
| CN110132046A (en) * | 2018-02-09 | 2019-08-16 | 三菱日立电力***株式会社 | Chemically-cleaning device and the chemical cleaning method for having used the chemically-cleaning device |
| CN110921685A (en) * | 2019-11-26 | 2020-03-27 | 连云港市福源德邦科技发展有限公司 | Crystallization reverse material flow device and method in combined-soda-process soda ash production process |
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| CN102432041A (en) * | 2011-09-19 | 2012-05-02 | 四川和邦股份有限公司 | Carbonization cleaning process of carbonizer for producing heavy soda ash |
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| CN205262289U (en) * | 2015-11-17 | 2016-05-25 | 江苏德邦化学工业集团有限公司 | Energy saving and consumption reduction's crystallization separately cooling ware belt cleaning device |
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| US6273101B1 (en) * | 1995-12-19 | 2001-08-14 | Micron Technology, Inc. | Method for post chemical-mechanical planarization cleaning of semiconductor wafers |
| JP2001185521A (en) * | 1999-12-24 | 2001-07-06 | Mitsubishi Materials Silicon Corp | Method of cleaning semiconductor substrate |
| CN102432041A (en) * | 2011-09-19 | 2012-05-02 | 四川和邦股份有限公司 | Carbonization cleaning process of carbonizer for producing heavy soda ash |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903732A (en) * | 2016-04-12 | 2016-08-31 | 天津渤化永利化工股份有限公司 | Method for cleaning external cooler of combined-alkali crystallization process |
| CN110132046A (en) * | 2018-02-09 | 2019-08-16 | 三菱日立电力***株式会社 | Chemically-cleaning device and the chemical cleaning method for having used the chemically-cleaning device |
| CN110921685A (en) * | 2019-11-26 | 2020-03-27 | 连云港市福源德邦科技发展有限公司 | Crystallization reverse material flow device and method in combined-soda-process soda ash production process |
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| CN105371694B (en) | 2018-01-23 |
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