CN104324918A - Cleaning method for inner wall cleaning device of steam spraying pump - Google Patents
Cleaning method for inner wall cleaning device of steam spraying pump Download PDFInfo
- Publication number
- CN104324918A CN104324918A CN201410505525.0A CN201410505525A CN104324918A CN 104324918 A CN104324918 A CN 104324918A CN 201410505525 A CN201410505525 A CN 201410505525A CN 104324918 A CN104324918 A CN 104324918A
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- Prior art keywords
- cleaning
- pump
- valve
- vacuum
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses an inner wall cleaning device of a steam spraying pump. The spraying pump is arranged in a molten steel vacuum processing device, the molten steel vacuum processing device is connected with an exhaust hole of a vacuum tank through a vacuum pipeline, the spraying pump comprises a primary spraying pump, a secondary spraying pump and a tertiary spraying pump in the vacuum exhaust direction, and a cleaning spraying structure is arranged on a pipeline of the molten steel vacuum processing device. The invention also discloses a cleaning method for the inner wall cleaning device. The technical scheme is adopted, under the condition of limited in-site positions, the cleaning device for cleaning accumulated dust on the inner wall of the steam spraying pump is provided, the problem of difficulty in the prior art is solved, each cleaning point is controlled according to an electromagnetic valve switch for starting the spraying cleaning, an automatic water gun sprays water for cleaning the pipe wall, the work intensity of workers is reduced, the vacuum effect of molten steel is ensured, a spray nozzle positioned under a pump body can be enabled not to be blocked, a water discharge pipe is arranged under the pump body, and dirty water after the spraying cleaning can be discharged.
Description
Technical field
The invention belongs to the technical field of metallurgical industry production equipment.Relate to steelmaking equipment structure.More particularly, the present invention relates to a kind of cleaning method of steam jet pump cleaning device for inner wall.
Background technology
At present, in steelmaking process, in order to reduce the gas content in molten steel, application of vacuum must be carried out to molten steel, and to vacuumize the most frequently used equipment be exactly steam jet pump.
As shown in Figure 1, for steam jet pump vacuumizes schematic diagram.Ladle 7 is located in vacuum tank 8, vacuum tank 8 is arranged steam vent 9, and steam vent 9 is connected with jet pump 10 by pipeline, arranges one-level, secondary and three grades of jet pumps respectively by the order of pipeline.
Pressure is greater than the steam of 0.8MPa by after Laval nozzle, negative pressure is produced at mixing chamber, furnace gas is sucked in the pump housing, when but waste gas is by jet pump, slag dirt in waste gas can be adsorbed on ejector vacuum pump inwall, and knot ash changes the geometric shape of jet pump inwall too much, causes the service behaviour of vavuum pump to decline, in vacuum tank, vacuum cannot reach requirement, now needs to clear up its inwall timing.
In the prior art, cleaning inwall slag dirt mode adopts artificial deashing, and operating personnel creep in vacuum-pump line by manhole, because pipeline is narrow, the method labour intensity is large, deashing speed slow, poor stability, and the thinnest aditus laryngis position personnel of pipeline cannot arrive, and cleaning effect is also undesirable.
Summary of the invention
The invention provides a kind of cleaning method of steam jet pump cleaning device for inner wall, its objective is under the prerequisite of the vacuum effectiveness ensureing molten steel, alleviate labor strength.
For achieving the above object, the technical scheme taked is:
Steam jet pump cleaning device for inner wall of the present invention, described jet pump is located in molten steel vacuum treatment installation, and described molten steel vacuum treatment installation is connected with the steam vent of vacuum tank by vacuum pipe; Described jet pump, by vacuum exhaust direction, comprises one-level jet pump, two-stage injection pump and three grades of jet pumps.The pipeline of described molten steel vacuum treatment installation is provided with cleaning spray structure.
Described cleaning showers structure arranges cleaning showers point at primary pump mixing chamber, a two stage pump connecting bend, two stage pump mixing chamber, two triplex connecting bends, triplex mixing chamber, triplex condenser connecting bend respectively.
The structure of each described cleaning showers point is: at uniform three lance heads of the cross section of described vacuum pipe, and described lance head inserts in tube wall from perforate the tube wall of vacuum pipe; Outside tube wall, described lance head is connected by water pipe.
Described one-level jet pump and the bottom of three grades of jet pump pumps are equipped with draining valve and corresponding drainage pipeline.
In order to realize the goal of the invention identical with technique scheme, present invention also offers the cleaning method of above-described steam jet pump cleaning device for inner wall, described cleaning plant comprises two threephase asynchronouses, wherein one for subsequent use;
During the cleaning pump housing, described cleaning method operating procedure is:
1, a spray system motor, the draining valve of one-level jet pump, the draining valve of three grades of jet pumps is opened;
2, open cleaning valve, first order jet nozzle valve under cleaning valve in one-level, one-level, scavenging period is greater than 3min, Close All cleaning valve;
3, open cleaning valve under cleaning valve on two stage pump, two stage pump, three grades of nozzle group valves, scavenging period is greater than 3min, except three grades of nozzle group valves, close cleaning valve;
4, open three grades of upper cleaning valve, three grades of lower cleaning valves, scavenging period is greater than 3min, Close All cleaning valve;
5, close motor, after water emptying, close draining valve;
In the work interval of vavuum pump, inner-walls of duct is cleaned; Every day, clearing times was not less than 3 times.
The present invention adopts technique scheme, at the scene when limited location, provides cleaning steam jet pump inwall dust stratification cleaning plant, solves the difficulty of prior art; Control each cleaning point according to electromagnetic valve switch and start cleaning showers, automatic hydraulic giant water horning tube wall, had both alleviated labor strength, in turn ensure that the vacuum effectiveness of molten steel; Can ensure that the nozzle be positioned at below the pump housing can not be blocked; Be provided with drainpipe below the pump housing, the addle after cleaning showers can be got rid of.
Accompanying drawing explanation
Mark in content shown in accompanying drawing and figure is as follows:
Fig. 1 is the schematic diagram of steam jet pump;
Fig. 2 is the cleaning showers point schematic diagram of steam jet pump;
Fig. 3 is each cleaning showers point water pipe rifle head distribution map.
Wherein:
1, primary pump mixing chamber, 2, one two stage pump connecting bend, 3, two stage pump mixing chamber, 4, two triplex connecting bends, 5, triplex mixing chamber, 6, triplex condenser connecting bend, 7, ladle, 8, vacuum tank, 9, steam vent, 10, jet pump, 11, vacuum pipe, 12, lance head, 13, water pipe.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
Structure as shown in Figure 2 and Figure 3, be the cleaning plant of steam jet pump inwall dust stratification of the present invention, described jet pump 10 is located in molten steel vacuum treatment installation, and described molten steel vacuum treatment installation is connected with the steam vent of vacuum tank 8 by vacuum pipe 11; Described jet pump 10, by vacuum exhaust direction, comprises one-level jet pump, two-stage injection pump and three grades of jet pumps.
Ladle 7 is located in vacuum tank 8.
Apparatus of the present invention just solve prior art Problems existing, and automatic hydraulic giant water horning tube wall, both alleviated labor strength, and in turn ensure that the vacuum effectiveness of molten steel.
Described spray system is driven by two threephase asynchronouses.Rating of machine model is Y160M1-2, and rated speed is 2930r/min; Rated power is 11kw.Wherein one for subsequent use.
In order to solve prior art Problems existing and overcome its defect, realize object of the present invention, the technical scheme taked is:
As shown in Figure 2, steam jet pump cleaning device for inner wall of the present invention, the pipeline of described molten steel vacuum treatment installation is provided with cleaning spray structure.
Described cleaning showers structure arranges cleaning showers point at primary pump mixing chamber 1, two stage pump connecting bend 2, two stage pump mixing chamber 3, two triplex connecting bend 4, triplex mixing chamber 5, triplex condenser connecting bend 6 respectively.Technical scheme of the present invention is one-level, the mixing chamber of secondary, three grades of jet pumps and nozzle are all provided with spray system.
The structure of each described cleaning showers point is: at uniform three lance heads 12 of the cross section of described vacuum pipe 11, and described lance head 12 inserts in tube wall from perforate the tube wall of vacuum pipe 11; Outside tube wall, described lance head 12 is connected by water pipe 13.
Each spray position is with uniform three the water pipe lance heads 12 of vacuum pipe cross section, and be tube wall perforate and insert water pipe rifle head, the rifle draught animals down.See Fig. 3.For avoiding cleaning dust mud blocking vavuum pump steam jet, setting up water pipe at nozzle afterbody, during cleaning, nozzle penstock being opened, in nozzle, pass to current, avoiding mud dust to enter spray nozzle clogging nozzle, bottom one-level and triplex, have drainage pipeline.
Described one-level jet pump and the bottom of three grades of jet pump pumps are equipped with draining valve and corresponding drainage pipeline.
On one-level, secondary, three grades of steam jet pump bodies, by Figure 2 shows that cleaning showers point, house steward lays water pipe to each cleaning showers point through water pump by water, according to Fig. 3, each cleaning showers point water pipe rifle head is distributed in perforate on steam jet pump, connecting water pipe, sealing is carried out at perforate position, in the pump housing, install nozzle, and each cleaning showers point water pipe is all installed electromagnetic valve and controlled water flow switch.
Steam pipework perforate connecting water pipe below one-level, three grades of steam jets, controls water flow switch by electromagnetic valve.
Drainpipe is connected, by electromagnetic valve gauge tap in one-level, three grades of steam jet pump body bottom opening.
1, two cleaning points installed by each pump, and the position of cleaning point is in the mixing chamber of steam jet pump and the elbow that is connected with next stage pump respectively, guarantee vacuum pipe cleaning effect;
2, steam jet water route is set, during cleaning, opens nozzle penstock, ensure that the nozzle be positioned at below can not be blocked by silt;
3, each cleaning point adopts annular conduit wrapped vacuum pipeline, and uniform three hydraulic giant nozzles on vacuum pipe, cleaning effect is good.
Vavuum pump inwall dust stratification cleaning plant of the present invention lays respectively at mixing chamber and the next stage steam jet pump connecting bend place of three grades of vavuum pumps, can distinguish open and close.Cleaning showers is started according to each cleaning point of Controlling solenoid valve switch control rule.Steam jet pump nozzle is provided with water pipe and connects, and during cleaning showers pipeline, opens water route, can ensure that the nozzle be positioned at below the pump housing can not be blocked, be provided with drainpipe, can get rid of the addle after cleaning showers below the pump housing.
In order to realize the goal of the invention identical with technique scheme, present invention also offers the cleaning method of above-described steam jet pump cleaning device for inner wall, described cleaning plant comprises two threephase asynchronouses, wherein one for subsequent use;
During the cleaning pump housing, described cleaning method operating procedure is:
1, a spray system motor, the draining valve of one-level jet pump, the draining valve of three grades of jet pumps is opened;
2, open cleaning valve, first order jet nozzle valve under cleaning valve in one-level, one-level, scavenging period is greater than 3min, Close All cleaning valve;
3, open cleaning valve under cleaning valve on two stage pump, two stage pump, three grades of nozzle group valves, scavenging period is greater than 3min, except three grades of nozzle group valves, close cleaning valve;
4, open three grades of upper cleaning valve, three grades of lower cleaning valves, scavenging period is greater than 3min, Close All cleaning valve;
5, close motor, after water emptying, close draining valve;
Require to clean inner-walls of duct in the work interval of vavuum pump, every day, clearing times was not less than 3 times.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (1)
1. the cleaning method of a steam jet pump cleaning device for inner wall, described jet pump (10) is located in molten steel vacuum treatment installation, and described molten steel vacuum treatment installation is connected with the steam vent of vacuum tank (8) by vacuum pipe (11); Described jet pump (10), by vacuum exhaust direction, comprises one-level jet pump, two-stage injection pump and three grades of jet pumps;
The pipeline of described molten steel vacuum treatment installation is provided with cleaning spray structure;
Described cleaning showers structure arranges cleaning showers point at primary pump mixing chamber (1), a two stage pump connecting bend (2), two stage pump mixing chamber (3), two triplex connecting bends (4), triplex mixing chamber (5), triplex condenser connecting bend (6) respectively;
The structure of each described cleaning showers point is: uniform three lance heads (12) of the cross section of described vacuum pipe (11), and described lance head (12) inserts in tube wall from perforate the tube wall of vacuum pipe (11); Outside tube wall, described lance head (12) is connected by water pipe (13);
Described one-level jet pump and the bottom of three grades of jet pump pumps are equipped with draining valve and corresponding drainage pipeline;
Described cleaning plant comprises two threephase asynchronouses, wherein one for subsequent use;
It is characterized in that:
During the cleaning pump housing, described cleaning method operating procedure is:
1) a spray system motor, the draining valve of one-level jet pump, the draining valve of three grades of jet pumps, is opened;
2), open cleaning valve, first order jet nozzle valve under cleaning valve in one-level, one-level, scavenging period is greater than 3min, Close All cleaning valve;
3), open cleaning valve under cleaning valve on two stage pump, two stage pump, three grades of nozzle group valves, scavenging period is greater than 3min, except three grades of nozzle group valves, close cleaning valve;
4), open three grades of upper cleaning valve, three grades of lower cleaning valves, scavenging period is greater than 3min, Close All cleaning valve;
5), close motor, after water emptying, close draining valve;
In the work interval of vavuum pump, inner-walls of duct is cleaned; Every day, clearing times was not less than 3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505525.0A CN104324918B (en) | 2014-09-27 | 2014-09-27 | A kind of cleaning method of steam jet pump cleaning device for inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505525.0A CN104324918B (en) | 2014-09-27 | 2014-09-27 | A kind of cleaning method of steam jet pump cleaning device for inner wall |
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| Publication Number | Publication Date |
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| CN104324918A true CN104324918A (en) | 2015-02-04 |
| CN104324918B CN104324918B (en) | 2016-08-17 |
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| CN201410505525.0A Active CN104324918B (en) | 2014-09-27 | 2014-09-27 | A kind of cleaning method of steam jet pump cleaning device for inner wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964592A (en) * | 2017-03-29 | 2017-07-21 | 辽宁福鞍重工股份有限公司 | A kind of VOD/VD stoves vavuum pump cleaning method |
| CN114623310A (en) * | 2022-02-28 | 2022-06-14 | 中国水利水电第九工程局有限公司 | Integral ultraviolet curing repair process for sewage pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005019272A (en) * | 2003-06-27 | 2005-01-20 | Shin Kobe Electric Mach Co Ltd | Cleaning method and cleaning device of safety valve chest of control valve type lead-acid battery |
| CN101984263A (en) * | 2010-10-13 | 2011-03-09 | 常州丰盛光电科技股份有限公司 | Continuous cleaning device for vacuum pump and method thereof |
| WO2011036590A2 (en) * | 2009-09-23 | 2011-03-31 | Roth & Rau Ag | Device and method for cleaning a pump chamber of a vacuum pump |
| CN102094109A (en) * | 2010-12-12 | 2011-06-15 | 中国重型机械研究院有限公司 | Design method for automatic high-pressure water cleaning device |
| CN201949953U (en) * | 2011-02-28 | 2011-08-31 | 中国石油化工集团公司 | High-efficiency energy-saving nozzle and steam injection pump with nozzle |
| CN103124512A (en) * | 2010-09-14 | 2013-05-29 | 帕斯奎尔·卡塔尔法莫 | Pneumatic vacuum cleaner |
| CN203540970U (en) * | 2013-07-22 | 2014-04-16 | 杭州杭真真空工程技术有限公司 | Online vacuum pump cleaning device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1749639A1 (en) * | 1990-05-31 | 1992-07-23 | А.В.Коос и А.А.Черников | Dust-gas cleaner |
| SU1763380A1 (en) * | 1990-11-05 | 1992-09-23 | Научно-Производственная Кооперативная Фирма "Импульс" | Equipment for liquid disinfection |
-
2014
- 2014-09-27 CN CN201410505525.0A patent/CN104324918B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005019272A (en) * | 2003-06-27 | 2005-01-20 | Shin Kobe Electric Mach Co Ltd | Cleaning method and cleaning device of safety valve chest of control valve type lead-acid battery |
| WO2011036590A2 (en) * | 2009-09-23 | 2011-03-31 | Roth & Rau Ag | Device and method for cleaning a pump chamber of a vacuum pump |
| CN103124512A (en) * | 2010-09-14 | 2013-05-29 | 帕斯奎尔·卡塔尔法莫 | Pneumatic vacuum cleaner |
| CN101984263A (en) * | 2010-10-13 | 2011-03-09 | 常州丰盛光电科技股份有限公司 | Continuous cleaning device for vacuum pump and method thereof |
| CN102094109A (en) * | 2010-12-12 | 2011-06-15 | 中国重型机械研究院有限公司 | Design method for automatic high-pressure water cleaning device |
| CN201949953U (en) * | 2011-02-28 | 2011-08-31 | 中国石油化工集团公司 | High-efficiency energy-saving nozzle and steam injection pump with nozzle |
| CN203540970U (en) * | 2013-07-22 | 2014-04-16 | 杭州杭真真空工程技术有限公司 | Online vacuum pump cleaning device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964592A (en) * | 2017-03-29 | 2017-07-21 | 辽宁福鞍重工股份有限公司 | A kind of VOD/VD stoves vavuum pump cleaning method |
| CN114623310A (en) * | 2022-02-28 | 2022-06-14 | 中国水利水电第九工程局有限公司 | Integral ultraviolet curing repair process for sewage pipeline |
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| Publication number | Publication date |
|---|---|
| CN104324918B (en) | 2016-08-17 |
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