CN102374522B - Cleaning device for cleaning boiler - Google Patents
Cleaning device for cleaning boiler Download PDFInfo
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- CN102374522B CN102374522B CN 201110414764 CN201110414764A CN102374522B CN 102374522 B CN102374522 B CN 102374522B CN 201110414764 CN201110414764 CN 201110414764 CN 201110414764 A CN201110414764 A CN 201110414764A CN 102374522 B CN102374522 B CN 102374522B
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- water supply
- container
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Abstract
The invention relates to a cleaning device for cleaning a boiler, belonging to the technical field of chemical cleaning of equipment. The cleaning device comprises a cleaning circulating pump (1), a cleaning solution disposing box (2), a water injection pump (3) and a water supply tank (4); the cleaning circulating pump (1), the cleaning solution disposing box (2) and a boiler system (6) are connected into a cleaning solution circulating loop through a pipeline; the cleaning solution disposing box (2) is a stainless steel sealing container; and a plurality of ultrasonic transducers (11) are uniformly distributed on the outer surface of the paraboloid of the container. The cleaning device is convenient to operate and control, avoids being damaged by dismounting for cleaning due to no need of dismounting a heat exchange element of the boiler during cleaning operation, remarkably reduces maintenance cost and risks of equipment, also increases the utilization ratio of an acid inhibitor by 40%, reduces the consumption of chemical agents and has rather considerable economic and environment-friendly benefits.
Description
Technical field
The present invention relates to the Chemical cleaning of equipment, specifically, relate to a kind of cleaning device for the boiler cleaning.
Background technology
In the daily industrial production, boiler feed water constantly circulates in use and concentrates, and the content of mineral substances in the water also can constantly increase, thereby causes the fouling of furnace body wall fire tube, oxygen corrosion.The furnace body wall fire tube will reduce heat exchanger effectiveness greatly in case knot scales, and boiler can accelerate oxygen corrosion, and the result of boiler oxygen corrosion makes the metal surface activation, is Fe
3+, Fe
2+State, and Fe
3+, Fe
2+, Fe, OH
-Electrochemical corrosion between the ion is even more serious, if things go on like this, will shorten boiler service life, jeopardizes safety in production.Therefore, must regularly handle the furnace body wall fire tube of boiler.The kind of common dirt has carbonate deposit, sulfate scale, silicate scale, mixing incrustation scale, iron oxide dirt, carbon black, carbide and grease etc.
Boiler cleaning device by technology all is made up of clean cycle pump and water injecting pump, and other facilities are all gathered materials on the spot.Use inconvenience like this, the cleaning quality disunity, and can not realize industrialization production.
Summary of the invention
The technical problem that will solve required for the present invention provides a kind of cleaning device for the boiler cleaning, and this device uses simple, can reduce the consumption of chemical agent, and cleaning temperature is low, and the time is short, the cleaning quality unification, and can realize industrialization production.
The technical scheme that the present invention deals with problems is as follows:
A kind of cleaning device for the boiler cleaning mainly is made up of clean cycle pump, cleaning fluid treatment box, water injecting pump and water supply tank; Clean cycle pump, cleaning fluid treatment box and steam generator system connect into the cleaning fluid closed circuit by pipeline; Described cleaning fluid treatment box is the stainless steel airtight container, and liquid outlet is established at container top or top, and container side is established liquid return hole and fluid infusion mouth; Container bottom is parabolic, and lowest part is established slag-drip opening; Paraboloidal focal position is in container center; Evenly be furnished with a plurality of ultrasonic transducers at the paraboloidal outer surface of container; Ultrasonic transducer connects the ultrasonic power generator; Dispensing mouth and filler are arranged at the top of described water supply tank or top, and agitator is arranged in the water supply tank, and the water supply tank bottom connects the fluid infusion mouth of cleaning fluid treatment box by pipeline, water injecting pump; The volume of water supply tank is greater than cleaning fluid treatment box and steam generator system volume sum.
Cleaning device for the boiler cleaning provided by the present invention, convenient operation and control, during washing and cleaning operation, need not disassemble the boiler heat exchange element, avoid unpicking and washing the damage to device, significantly reduce maintenance cost and the risk of equipment, extension fixture service life and effective rate of utilization, simultaneously, the supersonic generator of the cleaning fluid treatment box design in the cleaning device of the present invention can make inhibition mordant solution separate with the incrustation scale slag of carrying secretly, can improve the utilization ratio 40% of inhibition mordant.Reduce the consumption of chemical agent, had appreciable economic benefit and environmental benefit.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
In the accompanying drawing: 1 clean cycle pump; 2 cleaning fluid treatment boxes; 3 water injecting pumps; 4 water supply tanks; 5 ultrasonic power generators; 6 steam generator systems; 7 liquid return holes; 8 liquid outlets; 9 slag-drip openings; 10 fluid infusion mouths; 11 ultrasonic transducers; 12 sewage draining exits; 13 dispensing mouths; 14 water inlets; 15 filler; 16 agitators; 17 exhaust outlets.
The specific embodiment
Use specific embodiment with accompanying drawing 1 below, as a cleaning unit, carry out further specifying of structure, cleaning and the simulation of cleaning optimization formula with steam boiler.
A kind of cleaning device for the boiler cleaning mainly is made up of clean cycle pump (1), cleaning fluid treatment box (2), water injecting pump (3) and water supply tank (4); Clean cycle pump (1), cleaning fluid treatment box (2) and steam generator system (6) connect into the cleaning fluid closed circuit by pipeline; Described cleaning fluid treatment box (2) is the stainless steel airtight container, and liquid outlet (8) is established at container top or top, and container side is established liquid return hole (7) and fluid infusion mouth (10); Container bottom is parabolic, and lowest part is established slag-drip opening (9); Paraboloidal focal position is in container center; Evenly be furnished with a plurality of ultrasonic transducers (11) at the paraboloidal outer surface of container; Ultrasonic transducer (11) connects ultrasonic power generator (5); Dispensing mouthful (13) and filler (15) is arranged at the top of described water supply tank (4) or top, and agitator (16) is arranged in the water supply tank (4), and water supply tank (4) bottom connects the fluid infusion mouth (10) of cleaning fluid treatment box by pipeline, water injecting pump (3); The volume of water supply tank (4) is greater than cleaning fluid treatment box (2) and both volume sums of steam generator system (6).
The employed medicament for the boiler cleaning of present embodiment includes inhibition mordant, purificant and passivator; Described inhibition mordant is made up of following component by mass percent: 1,3,5,7 four azaadamantanes 0.25%, ethylenediamine tetra-acetic acid 0.2%, hydrochloric acid 5.0%, phosphoric acid 2.0%, fluosilicic acid 2.5%, hydrazine hydrate 0.1%, sodium metasilicate 0.08%, cetalkonium chloride 0.1%, ammonium thiocyanate 0.08%, neopelex 0.1%, surplus is water; Described purificant is the citric acid solution of mass percent 0.1%～0.2%, adds chemical pure or analytically pure ammoniacal liquor and regulates pH value 4; Described passivator, formed by following component by mass percent: ethylenediamine 0.045%, formaldehyde 0.04%, diammonium hydrogen phosphate 0.05%, hydrogen peroxidase 10 .6%, natrium nitrosum 0.04%, surplus is water; With an amount of regulator solution pH of ammoniacal liquor value 8.5～9.0.
The using method of present embodiment includes the technology of following order:
1. set up and clean pumping plant
Between the sewage draining exit (12) of steam generator system (6) and water inlet (14), set up clean cycle pump (1) and cleaning fluid treatment box (2); Connect water injecting pump (3) and water supply tank (4), isolate and clean system without interaction, comprise with clean range in the valve that links to each other with pipeline of steam generator system must close tightly, the device that should not clean in the drum, as cyclone separator, must remove, water level is taken into account all instrument;
2. band is pressed test
In steam generator system (6) drum, fill with water by water injecting pump (3) and water supply tank (4), close the exhaust outlet (17) of water injecting pump (3) and steam generator system, opened clean cycle pump (1) circulation 15-20 minute; Slowly water filling is forced into 0.3MPa to steam generator system (6) to restart water injecting pump (3), and pressurize was opened pressure testing water in the Valved discharge system under the cleaning fluid treatment box slag-drip opening (9) after 10 minutes;
3. clean incrustation scale
In water supply tank (4), fill with running water, the water of water supply tank with steam or electrical heating to 70 ℃, is started agitator (16) and stirs; Dispensing mouth (13) at water supply tank is located, by the component preparation inhibition mordant solution in the inhibition mordant set of dispense ratio, the order that each component adds water supply tank (4) is: 1,3,5,7 four azaadamantanes → ethylenediamine tetra-acetic acid → hydrochloric acid → phosphoric acid → fluosilicic acid → hydrazine hydrate → sodium metasilicate cetalkonium chloride → ammonium thiocyanate → neopelex; Continue to stir after 1 minute and start water injecting pump (3), the 80% inhibition mordant solution with upper volume in the water supply tank (4) is injected cleaning fluid treatment box (2) and steam generator system (6), and make inhibition mordant solution level near steam generator system exhaust outlet (17) position; The residue 20% inhibition mordant solution with lower volume still is retained in the water supply tank (4) standby; Then, close startup water injecting pump (3), open clean cycle pump (1), circulated 10 minutes, stopped circulation immersion 20 minutes; Open steam generator system exhaust outlet (17), treat till the no gas discharge of exhaust outlet (17); Open clean cycle pump (1) circulation continuously again, start ultrasonic power generator (5) simultaneously; The slag-drip opening (9) that makes inhibition mordant solution and the incrustation scale slag of carrying secretly separate, be deposited in cleaning fluid treatment box (2) is located; Checked the change color of inhibition mordant solution and cleaned what of sediment from slag-drip opening (9) sampling in per 30 minutes; Too much as sediment, under non-stop-machine state, open the valve discharge section sediment under the slag-drip opening (9) earlier, start water injecting pump (3) simultaneously again, remaining inhibition mordant solution in the water supply tank (4) is mended in cleaning fluid treatment box (2) and the boiler circulatory system on demand; Few as sediment, continue circulation color in inhibition mordant solution become pitch-dark till, clean cycle pump (1) then, by the pitch-dark inhibition mordant solution of the discharge of the blowoff valve slag-drip opening (9) under to trench; Limewash is handled trench, and water flushing trench is 5 minutes again, finishes and cleans the incrustation scale operation;
4. rinsing boiler and system
After cleaning incrustation scale, in water supply tank (4), fill with running water again, with the water of water supply tank with steam or electrical heating to 50 ℃, starting agitator (16) stirs, dispensing mouth (13) at water supply tank is located adding citric acid, preparation contains the solution of citric acid mass percent 0.1%～0.2%, adds chemical pure or analytically pure ammoniacal liquor adjusting pH value 4 and is made into purificant; Start water injecting pump (3), purificant is injected cleaning fluid treatment box (2) and steam generator system (6), then, close startup water injecting pump (3), open clean cycle pump (1), circulation rinsing 120 minutes, from slag-drip opening (9) sample examination rinsing liquid content composition, iron ion content is less than 250mg/L in rinsing liquid, chlorine ion concentration is during less than 80 mg/L, stop clean cycle pump (1), discharge rinsing liquid to trench by the blowoff valve under the slag-drip opening (9), finish rinsing process;
5. passivation
In water supply tank (4), fill with running water, the water of water supply tank with steam or electrical heating to 40 ℃, is started agitator (16) and stirs; Dispensing mouth (13) at water supply tank is located, and presses component in the passivating agent composition proportioning with ethylenediamine, and formaldehyde, diammonium hydrogen phosphate, hydrogen peroxide, natrium nitrosum add successively and continues in the water supply tank (4) to stir 1 minute, are 8.5～9.0 with ammoniacal liquor regulator solution pH value; Be mixed with passivator solution, then start water injecting pump (3), the passivator solution in the water supply tank (4) is injected cleaning fluid treatment box (2) and steam generator system (6), and make the liquid level of passivator solution arrive steam generator system exhaust outlet (17) position; Close startup water injecting pump (3), open clean cycle pump (1) circulation 300 minutes, stop circulation; Discharge passivator solution to trench by the blowoff valve under the slag-drip opening (9), finish passivation procedure;
6. water flushing
Close the valve on clean cycle pump (1) pipeline, open the valve under the boiler-steam dome sewage draining exit (12); In water supply tank (4), constantly inject running water, start water injecting pump (3), running water is injected steam generator system (6) by cleaning fluid treatment box (2), tail water behind the flushing steam generator system (6) flows out from sewage draining exit (12) and enters trench, till the tail water that flows out reaches pH5.8～6, close running water and water injecting pump (3), stop the water flushing; And steam generator system is resetted, remove cleaning device.
Claims (1)
1. one kind is used for the cleaning device that boiler cleans, and it is characterized in that: be made up of clean cycle pump (1), cleaning fluid treatment box (2), water injecting pump (3) and water supply tank (4); Clean cycle pump (1), cleaning fluid treatment box (2) and steam generator system (6) connect into the cleaning fluid closed circuit by pipeline; Described cleaning fluid treatment box (2) is the stainless steel airtight container, and container top is established liquid outlet (8), and container side is established liquid return hole (7) and fluid infusion mouth (10); Container bottom is parabolic, and lowest part is established slag-drip opening (9); Paraboloidal focal position is in container center; Evenly be furnished with a plurality of ultrasonic transducers (11) at the paraboloidal outer surface of container; Ultrasonic transducer (11) connects ultrasonic power generator (5); Dispensing mouthful (13) and filler (15) is arranged at the top of described water supply tank (4), and agitator (16) is arranged in the water supply tank (4), and water supply tank (4) bottom connects the fluid infusion mouth (10) of cleaning fluid treatment box by pipeline, water injecting pump (3); The volume of water supply tank (4) is greater than cleaning fluid treatment box (2) and both volume sums of steam generator system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110414764 CN102374522B (en) | 2011-12-13 | 2011-12-13 | Cleaning device for cleaning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110414764 CN102374522B (en) | 2011-12-13 | 2011-12-13 | Cleaning device for cleaning boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102374522A CN102374522A (en) | 2012-03-14 |
| CN102374522B true CN102374522B (en) | 2013-07-10 |
Family
ID=45793531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110414764 Expired - Fee Related CN102374522B (en) | 2011-12-13 | 2011-12-13 | Cleaning device for cleaning boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102374522B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104840982B (en) * | 2014-12-03 | 2017-06-06 | 重庆摩尔水处理设备有限公司 | A kind of water tank chlorination equipment |
| CN105782944A (en) * | 2016-04-27 | 2016-07-20 | 广州科宝水处理科技有限公司 | Low-pressure boiler washing device and manufacturing method thereof |
| CN106838874B (en) * | 2016-12-25 | 2019-01-18 | 大庆让胡路区轩鸿科技有限公司 | A kind of method of Lossless clean the boiler |
| CN109382376A (en) * | 2017-08-08 | 2019-02-26 | 上海卓亚医疗科技有限公司 | A kind of Full-automatic for medical accelerator deflection coil cooling copper tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6073591A (en) * | 1998-08-24 | 2000-06-13 | Theriault; Levi | Apparatus and method for flushing boiler low-water cutoff systems |
| CN101395426A (en) * | 2006-08-31 | 2009-03-25 | 三菱重工业株式会社 | Method of water treatment in steam plant |
| CN201748400U (en) * | 2010-07-29 | 2011-02-16 | 穆庆东 | Single-shaft double-propeller drug feeder |
| CN202338892U (en) * | 2011-12-13 | 2012-07-18 | 长沙市中蓝清洗技术有限公司 | Cleaning device for cleaning boiler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60253702A (en) * | 1984-05-31 | 1985-12-14 | 株式会社荏原製作所 | Automatic liquid injector for steam boiler |
| JP3116042B1 (en) * | 1999-10-12 | 2000-12-11 | 東西化学産業株式会社 | Liquid circulation system equipment |
-
2011
- 2011-12-13 CN CN 201110414764 patent/CN102374522B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6073591A (en) * | 1998-08-24 | 2000-06-13 | Theriault; Levi | Apparatus and method for flushing boiler low-water cutoff systems |
| CN101395426A (en) * | 2006-08-31 | 2009-03-25 | 三菱重工业株式会社 | Method of water treatment in steam plant |
| CN201748400U (en) * | 2010-07-29 | 2011-02-16 | 穆庆东 | Single-shaft double-propeller drug feeder |
| CN202338892U (en) * | 2011-12-13 | 2012-07-18 | 长沙市中蓝清洗技术有限公司 | Cleaning device for cleaning boiler |
Non-Patent Citations (2)
| Title |
|---|
| JP找60-253702A 1985.12.14 |
| JP特开2001-116207A 2001.04.27 |
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| CN102374522A (en) | 2012-03-14 |
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Granted publication date: 20130710 Termination date: 20171213 |