CN103721970B - For cleaning cleaning device and the method for the cooler of desulphurization system - Google Patents
For cleaning cleaning device and the method for the cooler of desulphurization system Download PDFInfo
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- CN103721970B CN103721970B CN201310703329.XA CN201310703329A CN103721970B CN 103721970 B CN103721970 B CN 103721970B CN 201310703329 A CN201310703329 A CN 201310703329A CN 103721970 B CN103721970 B CN 103721970B
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- cooler
- blow
- cleaning
- line
- cleaning fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of cleaning device and method of the cooler for cleaning desulphurization system, described cleaning device comprises: upper cover plate and lower cover, for closing the upper and lower two ends of cooler to be cleaned, and filter washing water inlet, rinse liquid outlet and steam inlet is offered on described upper cover plate, described lower cover offers sewage draining exit; Reservoir, for storing cleaning fluid; Scavenging pump, for pumping cleaning fluid, and is connected with reservoir; First pipe blow-through and the second pipe blow-through, be respectively used to connect scavenging pump and filter washing water inlet and rinse liquid outlet and reservoir, to form cleaning fluid closed circuit; Steam heater, for generation of steam; Jet chimney, for connecting described steam heater and described steam inlet; Blow-off line, is connected to described sewage draining exit, and is provided with controlled valve on described blow-off line.This cleaning device reduces the artificial input in cleaning process, and obtains good cleaning performance.
Description
Technical field
The present invention relates to a kind of cleaning for desulphurization system, specifically, the present invention relates to a kind of cleaning device and method of the cooler for cleaning desulphurization system.
Background technology
In " ionic liquid " formula desulphurization system, because of the characteristic of production technology and absorbent, can produce pulverous solid sulfur in desulphurization system, these powder-sulphurs can stick on the screen cloth of the cooler of desulphurization system, cause cooler to block, and then reduce the cooling effect of cooler.Therefore, need to carry out periodic cleaning to cooler, to take out the sulphur of blocking in cooler screen cloth, ensure cooling effect.
At present, the cleaning way usually adopted is removed by the top end socket of cooler, then taken out by the screen cloth of its inside, place ground and carry out manual cleaning.Because the grating of screen cloth is comparatively thin, and grating gap is intensive, if hydraulic pressure control is improper during manual cleaning, then very easily causes screen cloth to rinse distortion, and then affects cooling effect and the service life of cooler, have impact on normal production.In addition, the scavenging period of manual cleaning is long, and artificial input is many, and cleaning performance is relatively poor, both adds workload, and cleaning performance is also difficult to ensure, may reduce the cooling effect of cooler.
Therefore, need to provide a kind of novel cleaning device and cleaning method, to clean the cooler of desulphurization system, to reduce the artificial input in cleaning process, and obtain good cleaning performance.
Summary of the invention
The object of the present invention is to provide a kind of cleaning device of the cooler for cleaning desulphurization system, to reduce the artificial input in cleaning process, and obtaining good cleaning performance.Another object of the present invention is to a kind of method that cooler for cleaning desulphurization system is provided.
To achieve these goals, according to an aspect of the present invention, provide a kind of cleaning device of the cooler for cleaning desulphurization system, described cleaning device comprises: upper cover plate and lower cover, for closing the upper and lower two ends of cooler to be cleaned, and filter washing water inlet and rinse liquid outlet is offered on described upper cover plate, described lower cover offers sewage draining exit; Reservoir, for storing cleaning fluid; Scavenging pump, for pumping cleaning fluid, and is connected with reservoir; First pipe blow-through and the second pipe blow-through, be respectively used to connect scavenging pump and filter washing water inlet and rinse liquid outlet and reservoir, to form cleaning fluid closed circuit; Heater, for heating cooler; Blow-off line, is connected to described sewage draining exit, and is provided with controlled valve on described blow-off line.
Preferably, described upper cover plate also offers steam inlet, described heater comprises steam heater, be communicated with jet chimney between described steam heater and described steam inlet.
Preferably, described lower cover also offers condensation-water drain.
Preferably, described jet chimney is provided with controlled valve, Pressure gauge and thermometer.
Preferably, described first pipe blow-through and the second pipe blow-through are all provided with controlled valve.
Preferably, described first pipe blow-through, described second pipe blow-through and described blow-off line are stainless steel pipes.
Preferably, described scavenging pump and described reservoir are made by stainless steel.
According to a further aspect in the invention, provide a kind of method of the cooler for cleaning desulphurization system, described method comprises: carry out the test of hydraulic pressure leak test to cleaning device; If leak test pass the test, then water is utilized to carry out preliminary flushing to cooler to be cleaned; Close blow-off line, utilize cleaning fluid to clean cooler by cleaning fluid closed circuit, and utilize heater to heat cooler; After making cooler maintenance predetermined temperature predetermined hold-time, open blow-off line, carry out blowdown; Detect in blow-off line the impurity level discharged, if impurity level is higher than scheduled volume, then again utilize cleaning fluid to clean cooler, until the impurity level discharged by blow-off line is lower than scheduled volume; Water is utilized to rinse cooler.
Preferably, open blow-off line, close the second pipe blow-through, in reservoir, inject water, and utilize by scavenging pump water to be injected in cooler and carry out preliminary flushing.
Preferably, close blow-off line and the second pipe blow-through, in reservoir, inject cleaning fluid, utilize scavenging pump to be injected in cooler by cleaning fluid, then by heater, cooler is heated; When the pressure and temperature in cooler reaches predetermined value, open the second pipe blow-through, to utilize clean cycle loop to make cleaning fluid circulate, cooler is cleaned.
Preferably, cooler is heated by steam heater by steam injection to cooler.
Preferably, blow-off line discharge impurity level lower than predetermined value after, close the second pipe blow-through and open blow-off line, in reservoir, injecting water, utilizing scavenging pump to rinse cooler.
By cleaning device provided by the present invention and method, when the screen cloth in cooler need not be dismantled, the screen cloth in cooler can be cleaned, thus significantly simplify cleaning process, and reduce input artificial in cleaning process.In addition, in cleaning process, achieve recycling of cleaning fluid, contribute to reducing cleaning cost, and achieve the cleaning performance of expection.
Accompanying drawing explanation
Fig. 1 is the structural representation of cooler according to an embodiment of the invention;
Fig. 2 is the structural representation of cleaning device according to an embodiment of the invention;
Fig. 3 is the flow chart of cleaning method according to an embodiment of the invention.
Detailed description of the invention
In order to enable those skilled in the art better understand the present invention, below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
Fig. 1 is the structural representation of cooler according to an embodiment of the invention, and Fig. 2 is the structural representation of cleaning device according to an embodiment of the invention.
See figures.1.and.2, according to embodiments of the invention, provide a kind of cleaning device, for cleaning the cooler 1 of desulphurization system, with remove stick to cooler 1 screen cloth 101 on the impurity such as sulphur.As shown in Figure 1, the cooler 1 of desulphurization system is in tubular, and screen cloth 101 in vertical strip, and has suitable gap between each screen cloth 101.
Cleaning device comprises: upper cover plate and lower cover, for the two ends up and down of closed cooler 1, and on upper cover plate, offers filter washing water inlet 11 and rinse liquid outlet 10, lower cover offers sewage draining exit; Reservoir 2, for storing cleaning fluid; Scavenging pump 3, is connected with reservoir 2, for being delivered in cooler 1 by the cleaning fluid in reservoir 2; First pipe blow-through 4 and the second pipe blow-through 5, is respectively used to connect scavenging pump 3 and filter washing water inlet 11 and rinse liquid outlet 10 and reservoir 2, to form cleaning fluid closed circuit; Heater, for heating cooler 1, to clean cooler 1 at suitable temperature, thus shortens scavenging period; Blow-off line 8, is connected to the sewage draining exit on lower cover, and is provided with controlled valve 13 on blow-off line 8.
The flowing of cleaning fluid in described cleaning fluid closed circuit, successively through reservoir 2, scavenging pump 3, first pipe blow-through 4, filter washing water inlet 11, cooler 1, rinse liquid outlet 10, second pipe blow-through 5 and reservoir 2, forms closed cycle loop.
Heater can comprise the steam heater 6 for generation of high-temperature steam particularly, and this steam heater 6 is connected to cooler 1 by jet chimney 7, for this reason, upper cover plate also offers steam inlet 12, enters into cooler 1 to allow high-temperature steam.Certainly, embodiments of the invention are not limited to this, and other forms can also be adopted to heat, and such as, can adopt electric heater etc., as long as suitably can heat cooler 1 or cleaning fluid.
The lower cover of cooler 1 also can offer condensation-water drain, and connect condensed water elimination pipeline 9 by this condensation-water drain, to be emitted on the condensed water formed in cooler 1.This condensed water elimination pipeline 9 also can be provided with controlled valve 14.
In order to control separately the opening and closing of each pipeline, on the first pipe blow-through 4, controlled valve 16 can be installed, on the second pipe blow-through 5, controlled valve 15 can be installed, on jet chimney 7, controlled valve 17 can be installed.
In order to detect the pressure and temperature in cooler 1, can also on jet chimney 7 setting pressure table and thermometer.
Because the cleaning fluid for cleaning cooler 1 has certain corrosivity, all can be stainless steel pipes for the first pipe blow-through 4 of transport cleaning liquid and the second pipe blow-through 5 and blow-off line 8, or the material of other corrosion resistances can be adopted to make.Similarly, scavenging pump 3 and reservoir 2 also can adopt stainless steel or other corrosion proof materials processing to form.
According to another embodiment of the present invention, provide a kind of method of the cooler for cleaning desulphurization system, the method adopts the above cleaning device provided to carry out.Substantially need to carry out following steps:
A, after cleaning device has assembled, carry out the test of hydraulic pressure leak test.
At the trial, can blow-off line be closed, in reservoir 2, inject a certain amount of water, by scavenging pump 3, water is delivered in cooler 1, observe each pipeline and pipeline junction whether have water to leak.If find to there is drainage, then repair for this place of leaking, until no longer leak.
If B leak test pass the test, water just can be utilized to carry out preliminary flushing to cooler 1.
Particularly, appropriate water can be injected in reservoir 2, and close the second pipe blow-through 5 and open blow-off line 8 simultaneously, utilize scavenging pump 3 to be delivered in cooler 1 by water.Current, after cooler 1, are discharged by blow-off line 8 together with some granule foreigns easily rinsed out in cooler 1, until when the sewage discharged by blow-off line 8 is comparatively limpid or impurities is few, just can stop rinsing.
C, the water in cleaning fluid closed circuit all emitted after, in reservoir 2, injecting the cleaning fluid of debita spissitudo, close blow-off line 8, by cleaning fluid closed circuit, cooler 1 is cleaned, utilizing heating devices heat cooler 1 when cleaning.
Particularly, first close blow-off line 8 and the second pipe blow-through 5, in reservoir 2, inject cleaning fluid, and utilize scavenging pump 3 to be delivered in cooler 1 by appropriate cleaning fluid, because blow-off line 8 and the second pipe blow-through 5 are closed, thus cleaning fluid can temporarily by time be stored in cooler 1.Pass through steam heater 6 afterwards to supplying high temperature steam in cooler 1, to heat the cleaning fluid in cooler 1 and cooler 1.When temperature rises to about 80 DEG C in cooler 1, open the second pipe blow-through 5, by scavenging pump 3, the cleaning fluid in cooler 1 can be flowed through cleaning fluid recycle loop.
In the process that cleaning fluid circulates, steam heater 6 also heats cooler 1 and cleaning fluid sustainably.
It should be noted that, embodiments of the invention are not limited to this, also can before being delivered to by cleaning fluid in cooler 1, steam heater 6 be utilized to heat cooler in advance, also can while to transport cleaning liquid in cooler while heat, as long as cooler 1 and cleaning fluid can be heated to preference temperature.
In addition, because the sulphur impurity be dissolved in cleaning fluid can be deposited in the bottom of cooler 1, and before utilizing cleaning fluid cleaning, carried out preliminary flushing, so be positioned at the impurity contained by cleaning fluid on cooler 1 top and seldom, recycle so such cleaning fluid can be flowed back in reservoir 2 again through the second pipe blow-through 5.
D, temperature in cooler 1 are increased to predetermined temperature and after predetermined hold-time, open blow-off line 8, carry out blowdown.
Such as, when the temperature of cooler 1 is increased to about 90-105 DEG C, such as, when about about 100 DEG C, cooler 1 can be made to remain on this temperature, and the pressure stablized in cooler 1, continue about 1.5-2.5 hour, such as about 2 hours, therefore, can guarantee that cleaning fluid contacts enough for a long time with the screen cloth 101 in cooler 1, fully to dissolve the impurity such as sulphur on screen cloth 101.
E, when carrying out blowdown by blow-off line 8, the impurity level in discharged sewage can be detected, determining whether to need again to clean according to this impurity level.
Particularly, by manually checking discharged sewage, if sewage is comparatively muddy, illustrates in cooler 1 and also containing the impurity such as residual sulphur, needing again to clean.When again cleaning, can refer step C and D, do not repeat them here, until the sewage discharged is comparatively limpid or impurity level lower than scheduled volume time, just can carry out next step operation.
In addition, if when needing again to clean, due to cleaning fluid used before, some has been discharged away and its concentration is lower, needs in reservoir 2, inject the cleaning fluid reconfigured.In cleaning operation again, because cooler 1 has been heated to certain temperature, so can cleaning fluid be made to circulate while transport cleaning liquid in cooler 1, and continue to utilize steam heater 6 pairs of coolers 1 to heat, to shorten scavenging period.
F, after cleaning terminates, water is utilized to rinse cooler 1, to rinse out the cleaning fluid remained in cooler 1.
Particularly, the second pipe blow-through 5 can be closed and open blow-off line 8, in reservoir 2, injecting water, utilizing water to rinse cooler 1.While flushing, the water that PH detection paper is discharged from blow-off line 8 can be utilized.If when PH test paper is shown as neutrality, then the cleaning fluid in explanation cooler 1 has been done and has rinsed out, otherwise proceeds to rinse.Certainly, in this process, can heat cooler 1, that is, can steam off pipeline 7 in advance.
By cleaning device provided by the present invention and method, when need not dismantle in cooler 1 screen cloth 101, achieve the washing and cleaning operation to the screen cloth 101 in cooler 1, significantly simplify cleaning process, and reduce input artificial in cleaning process.In addition, in cleaning process, achieve recycling of cleaning fluid, reduce cleaning cost, and by the heating to cooler 1 and cleaning fluid in cleaning process, make sulphur can be dissolved in cleaning fluid sooner, more easily, thus improve cleaning performance.
Above the specific embodiment of the present invention is described in detail; although show and described some embodiments; but those skilled in the art should understand that; when not departing from by the principle of the present invention of claim and its scope of equivalents thereof and spirit; can to modify to these embodiments and perfect, these amendments and improve also should in protection scope of the present invention.
Claims (12)
1. for cleaning a cleaning device for the cooler of desulphurization system, it is characterized in that, comprising:
Upper cover plate and lower cover, for closing the upper and lower two ends of cooler to be cleaned, and offer filter washing water inlet and rinse liquid outlet on described upper cover plate, described lower cover offers sewage draining exit, and wherein, the top end socket of described cooler is removed;
Reservoir, for storing cleaning fluid;
Scavenging pump, for pumping cleaning fluid, and is connected with reservoir;
First pipe blow-through and the second pipe blow-through, be respectively used to connect scavenging pump and filter washing water inlet and rinse liquid outlet and reservoir, to form cleaning fluid closed circuit;
Heater, for heating cooler;
Blow-off line, is arranged on cooler bottom, by be connected to described sewage draining exit and with cooler internal fluid communication, and on described blow-off line, controlled valve is installed.
2. cleaning device according to claim 1, is characterized in that, described upper cover plate also offers steam inlet, and described heater comprises steam heater, be communicated with jet chimney between described steam heater and described steam inlet.
3. cleaning device according to claim 2, is characterized in that, described lower cover also offers condensation-water drain.
4. cleaning device according to claim 2, is characterized in that, described jet chimney is provided with controlled valve, Pressure gauge and thermometer.
5. cleaning device according to claim 1, is characterized in that, described first pipe blow-through and the second pipe blow-through are all provided with controlled valve.
6. cleaning device according to claim 1, is characterized in that, described first pipe blow-through, described second pipe blow-through and described blow-off line are stainless steel pipes.
7. cleaning device according to claim 1, is characterized in that, described scavenging pump and described reservoir are made by stainless steel.
8. for cleaning a method for the cooler of desulphurization system, it is characterized in that, comprising:
The test of hydraulic pressure leak test is carried out to cleaning device as claimed in claim 1;
If leak test pass the test, then water is utilized to carry out preliminary flushing to cooler to be cleaned;
Close blow-off line, utilize cleaning fluid to clean cooler by cleaning fluid closed circuit, and utilize heater to heat cooler, wherein, the cleaning fluid on cooler top again flows back in reservoir through the second pipe blow-through and recycles;
After making cooler maintenance predetermined temperature predetermined hold-time, open blow-off line, carry out blowdown;
Detect in blow-off line the impurity level discharged, if impurity level is higher than scheduled volume, then again utilize cleaning fluid to clean cooler, until the impurity level discharged by blow-off line is lower than scheduled volume;
Water is utilized to rinse cooler.
9. method according to claim 8, is characterized in that, opens blow-off line, closes the second pipe blow-through, in reservoir, inject water, and utilizes to be injected in cooler by water by scavenging pump and carry out preliminary flushing.
10. method according to claim 8, is characterized in that, closes blow-off line and the second pipe blow-through, injects cleaning fluid, utilize scavenging pump to be injected in cooler by cleaning fluid, then heated cooler by heater in reservoir; When the pressure and temperature in cooler reaches predetermined value, open the second pipe blow-through, to utilize clean cycle loop to make cleaning fluid circulate, cooler is cleaned.
11. methods according to claim 10, is characterized in that, heat cooler by steam heater by steam injection to cooler.
12. methods according to claim 8, is characterized in that, blow-off line discharge impurity level lower than predetermined value after, close the second pipe blow-through and open blow-off line, in reservoir, injecting water, utilizing scavenging pump to rinse cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703329.XA CN103721970B (en) | 2013-12-19 | 2013-12-19 | For cleaning cleaning device and the method for the cooler of desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703329.XA CN103721970B (en) | 2013-12-19 | 2013-12-19 | For cleaning cleaning device and the method for the cooler of desulphurization system |
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| CN103721970A CN103721970A (en) | 2014-04-16 |
| CN103721970B true CN103721970B (en) | 2015-09-02 |
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|---|---|---|---|---|
| CN104043623A (en) * | 2014-06-30 | 2014-09-17 | 赖禄波 | Method for cleaning desulfurizing tower |
| CN106540911B (en) * | 2015-09-18 | 2019-06-14 | 中国石化仪征化纤有限责任公司 | Normal butane method produces the cleaning method of maleic anhydride switching cooler used |
| CN107128990A (en) * | 2017-06-30 | 2017-09-05 | 华南理工大学 | The method and apparatus that a kind of MVR evaporators plate steam channel downflow type string is washed |
| CN108004074A (en) * | 2017-12-19 | 2018-05-08 | 杭州千岛湖啤酒有限公司 | A kind of beer extract makes fermentation tank flavor substance dry type charging device |
| CN114994238B (en) * | 2022-05-05 | 2024-05-17 | 上海京海（安徽）化工有限公司 | Insoluble sulfur substance content testing device and implementation method thereof |
| CN115350989A (en) * | 2022-07-29 | 2022-11-18 | 鞍钢股份有限公司 | Online cleaning method for steam reboiler of desulfurization system |
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| CN103721970A (en) | 2014-04-16 |
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