CN204126987U - A kind of vapor pump cleaning device for inner wall - Google Patents
A kind of vapor pump cleaning device for inner wall Download PDFInfo
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- CN204126987U CN204126987U CN201420562017.1U CN201420562017U CN204126987U CN 204126987 U CN204126987 U CN 204126987U CN 201420562017 U CN201420562017 U CN 201420562017U CN 204126987 U CN204126987 U CN 204126987U
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- pump
- cleaning
- vacuum
- molten steel
- cleaning device
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Abstract
The utility model discloses a kind of vapor pump cleaning device for inner wall, described jet pump is located in molten steel vacuum treatment installation, and described molten steel vacuum treatment installation is connected with the exhaust port 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.Adopt technique scheme, at the scene when limited location, cleaning vapor pump inwall dust stratification cleaning device is provided, 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 waste pipe below the pump housing, the addle after cleaning showers can be got rid of.
Description
Technical field
The utility model belongs to the technical field of metallurgical industry manufacturing mechanism.Relate to steelmaking equipment structure.More particularly, the utility model relates to a kind of vapor pump cleaning device for inner wall.
Background technique
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 vapor pump.
As shown in Figure 1, for vapor pump vacuumizes schematic diagram.Ladle 7 is located in vacuum tank 8, vacuum tank 8 is arranged exhaust port 9, and exhaust port 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 vacuum pump to decline, in vacuum tank, degree of 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 operator creep in vacuum-pump line by manhole, because pipeline is narrow, the method labor 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.
Model utility content
The utility model provides a kind of vapor pump cleaning device for inner wall, its objective is under the prerequisite of the vacuum effectiveness ensureing molten steel, alleviates labor strength.
For achieving the above object, the technological scheme taked is:
Vapor pump cleaning device for inner wall of the present utility model, described jet pump is located in molten steel vacuum treatment installation, and described molten steel vacuum treatment installation is connected with the exhaust port 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 drain valve and corresponding drainage pipe.
In order to realize the goal of the invention identical with technique scheme, the utility model additionally provides the cleaning method of above-described vapor pump cleaning device for inner wall, and described cleaning device 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 drain valve of one-level jet pump, the drain 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, clean time 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, clean time 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, clean time is greater than 3min, Close All cleaning valve;
5, close motor, after water emptying, close drain valve;
In the work interval of vacuum pump, inner-walls of duct is cleaned; Every day, clearing times was not less than 3 times.
The utility model adopts technique scheme, at the scene when limited location, provides cleaning vapor pump inwall dust stratification cleaning device, 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 waste pipe 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 vapor pump;
Fig. 2 is the cleaning showers point schematic diagram of vapor 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, exhaust port, 10, jet pump, 11, vacuum pipe, 12, lance head, 13, water pipe.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model 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 utility model, technological scheme.
Structure as shown in Figure 2 and Figure 3, for the cleaning device of vapor pump inwall dust stratification of the present utility model, described jet pump 10 is located in molten steel vacuum treatment installation, and described molten steel vacuum treatment installation is connected with the exhaust port 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.
The utility model device just solves 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 the purpose of this utility model, the technological scheme taked is:
As shown in Figure 2, vapor pump cleaning device for inner wall of the present utility model, 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.The technical solution of the utility model 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 vacuum pump steam nozzle, setting up water pipe at nozzle afterbody, during cleaning, nozzle water valve being opened, in nozzle, pass to current, avoiding mud dust to enter spray nozzle clogging nozzle, bottom one-level and triplex, have drainage pipe.
Described one-level jet pump and the bottom of three grades of jet pump pumps are equipped with drain valve and corresponding drainage pipe.
On one-level, secondary, three grades of vapor 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 vapor 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 switch.
Steam pipework perforate connecting water pipe below one-level, three grades of steam nozzles, controls water switch by electromagnetic valve.
Waste pipe is connected, by electromagnetic valve control switch in one-level, three grades of vapor pump body bottom opening.
1, two cleaning points installed by each pump, and the position of cleaning point is in the mixing chamber of vapor pump and the elbow that is connected with next stage pump respectively, guarantee vacuum pipe cleaning effect;
2, steam nozzle water route is set, during cleaning, opens nozzle water valve, 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.
Vacuum pump inwall dust stratification cleaning device of the present utility model lays respectively at mixing chamber and the next stage vapor pump connecting bend place of three grades of vacuum pumps, can distinguish open and close.Cleaning showers is started according to each cleaning point of Controlling solenoid valve switch control rule.Vapor 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 waste pipe, 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, the utility model additionally provides the cleaning method of above-described vapor pump cleaning device for inner wall, and described cleaning device 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 drain valve of one-level jet pump, the drain 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, clean time 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, clean time 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, clean time is greater than 3min, Close All cleaning valve;
5, close motor, after water emptying, close drain valve;
Require to clean inner-walls of duct in the work interval of vacuum pump, every day, clearing times was not less than 3 times.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (4)
1. a vapor 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 exhaust port 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;
It is characterized in that:
The pipeline of described molten steel vacuum treatment installation is provided with cleaning spray structure.
2. according to vapor pump cleaning device for inner wall according to claim 1, it is characterized in that: 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.
3. according to vapor pump cleaning device for inner wall according to claim 1, it is characterized in that: the structure of each described cleaning showers point is: uniform three lance heads (12) of the cross section of described vacuum pipe (11), 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).
4. according to vapor pump cleaning device for inner wall according to claim 1, it is characterized in that: described one-level jet pump and the bottom of three grades of jet pump pumps are equipped with drain valve and corresponding drainage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562017.1U CN204126987U (en) | 2014-09-27 | 2014-09-27 | A kind of vapor pump cleaning device for inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420562017.1U CN204126987U (en) | 2014-09-27 | 2014-09-27 | A kind of vapor pump cleaning device for inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126987U true CN204126987U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420562017.1U Expired - Fee Related CN204126987U (en) | 2014-09-27 | 2014-09-27 | A kind of vapor pump cleaning device for inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314883A (en) * | 2014-09-27 | 2015-01-28 | 芜湖新兴铸管有限责任公司 | Inner wall cleaning device for steam jet pump |
| 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 |
-
2014
- 2014-09-27 CN CN201420562017.1U patent/CN204126987U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314883A (en) * | 2014-09-27 | 2015-01-28 | 芜湖新兴铸管有限责任公司 | Inner wall cleaning device for steam jet pump |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20200927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |