CN103868748A - Water flow characteristic detection platform and method for atomizing nozzle - Google Patents
Water flow characteristic detection platform and method for atomizing nozzle Download PDFInfo
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- CN103868748A CN103868748A CN201410094981.0A CN201410094981A CN103868748A CN 103868748 A CN103868748 A CN 103868748A CN 201410094981 A CN201410094981 A CN 201410094981A CN 103868748 A CN103868748 A CN 103868748A
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Abstract
The invention discloses a water flow characteristic detection platform and method for an atomizing nozzle, and belongs to the technical field of metallurgical equipment. The detection platform comprises a water pipeline boosting pump, a screw-type air compressor, a flow meter, a water valve, an air valve, a pressure gauge, a metal hose, a water outlet pipe, a water outlet pipe, a lifting rod, a lifting rod fixing device, a water inlet pipe, an air inlet pipe, an aerial fog mixer water inlet pipe, an aerial fog mixer air inlet pipe, a an aerial fog mixer, a nozzle, a sump tank, a test bench and a steel ruler. A stable water supply pressure is provided by means of the pipeline boosting pump, a stable air supply pressure is provided through the screw-type air compressor, and the use state of a cooling casting blank for the atomizing nozzle of a continuous casting secondary cooling chamber is simulated by adjusting the system parameter of an inspection platform system to inspect a water nozzle used for a certain period. The water flow characteristic detection platform and the method have the advantages that the characteristic situation of the nozzle which is used for a certain period is inspected rapidly and effectively, and the use period of the nozzle is determined reasonably, so that the quality of the casting blank is stabilized, and the product quality is ensured.
Description
Technical field
The invention belongs to technical field of metallurgical equipment, a kind of aerial fog nozzle discharge Characteristics Detection platform and method are particularly provided, can simple and easy, quick, effective inspection use some cycles rear nozzle discharge characteristic situation, rationally determine nozzle life cycle.
Background technology
Continuous casting billet low multiple quality affects the product quality of stocking, the factor of low multiple quality that affects strand in actual production process is a lot, but in the situation that casting machine equipment configuration, production technology are definite, the topmost influence factor of low multiple quality that affects strand is exactly di-cold spray nozzle performance parameter.The factor such as use wearing and tearing, high-temperature baking due to water nozzle in actual production process causes that nozzle performance parameter changes, add that conticaster is worked continuously, operating rate is high, online nozzle performance parameter detection equipment lacks and be difficult for observing the reasons such as discovery, cause the nozzle that scrap replacing still using, causing strand low multiple quality to worsen, there is fluctuation in mill bar quality.Therefore determine the rational secondary cooling water mouth replacement cycle, significant to stabilized product quality.
Summary of the invention
The object of the present invention is to provide a kind of aerial fog nozzle discharge Characteristics Detection platform and method, simple and easy, quick, the effective inspection of energy is used the characteristic situation of some cycles rear nozzle, solves the problem of rationally determining nozzle life cycle.
Aerial fog nozzle discharge Characteristics Detection platform of the present invention comprises waterpipe supercharge pump 2, screw-rod air compressor (10), flowmeter 5, penstock 4, air valve 9, tensimeter 6, metal hose 7, water inlet pipe 1, rising pipe 3, escape pipe 8, elevating lever 11, elevating lever stationary installation 12, water inlet pipe 13, word draft tube 14, aerosol mixer water inlet pipe 15, aerosol mixer draft tube 16, aerosol mixer 17, nozzle 18, water leg 19, testing table 20, steel ruler 22.Water inlet pipe 1, rising pipe 3 are connected with blower pump for pipeline 2 respectively, and variable valve 4 is installed respectively, and flowmeter 5 is arranged on rising pipe 3, and rising pipe 3 is connected with metal hose 7, simultaneously setting pressure table 6 on the rising pipe that approaches junction.Screw-rod air compressor 10 is connected with pipeline 8 and variable valve 9 is installed, and escape pipe 8 is connected with metal hose 7, simultaneously setting pressure table 6 on the rising pipe that approaches junction.Between water inlet pipe 13, draft tube 14, aerosol mixer water inlet pipe 15, aerosol mixer draft tube 16, aerosol mixer 17, elevating lever, be welded to connect, then metal hose 7 is connected with water inlet pipe 13, draft tube 14 respectively.
Water inlet pipe 13, draft tube 14 are " 7 " font.
The structure of water leg 19: tank 19 is made up of long 30mm, wide 30mm, 81 grid that high 130mm is identical, and material is organic glass, and thickness is 2mm.
Definite method of nozzle ejection zone radius is degree of depth h1, h2, the h3......hx that uses water in the each grid of steel ruler measuring set tank, then in 360 ° of central points " O ", determine maximum jeting area by contrast water depth value, according to Pythagorean theorem computing center point O and choose the distance calculating jeting area radius of grid central point.
The present invention's pipe diameter used is definite according to the on-the-spot service condition in continuous casting two cold chamber, and aerosol mixer model is consistent with the on-the-spot model that uses.Blower pump for pipeline rated power uses pipe diameter and the on-the-spot nozzle rated characteristic table that uses to determine according to scene, and the specified supply gas pressure of screw-rod air compressor and gas supply flow use nozzle rated characteristic table to select according to scene.
Water discharge nozzle attribute inspection method comprises: the detection of the detection of water discharge nozzle, the detection of nozzle spray angle, nozzle ejection region shape.
Rely on blower pump for pipeline that stable pressure of supply water is provided, screw-rod air compressor provides stable supply gas pressure, use state by setting, the cooling strand of examination and adjustment plateform system parameter (distance of air pressure, hydraulic pressure, nozzle distance tank) simulation continuous casting two cold chamber aerial fog nozzle, the water nozzle that uses some cycles is tested.Determine water discharge nozzle according to the time of the data of flowmeter and stopwatch, in conjunction with Depth determination nozzle spray angle, the nozzle ejection region shape of water in the each grid of water leg, the characterisitic parameter that contrasts original nozzle is determined rational life cycle.
The invention has the beneficial effects as follows, can use the water discharge nozzle characteristic after some cycles by Accurate Measurement, determine rational nozzle life cycle, the cooling effect of stabilized nozzle to strand.
Brief description of the drawings
Fig. 1 is verifying bench structural representation of the present invention.
Fig. 2 is the structural map of tank of the present invention.
Fig. 3 is nozzle characteristic method of inspection schematic diagram of the present invention.
In figure: water inlet pipe 1, waterpipe supercharge pump 2, rising pipe 3, penstock 4, flowmeter 5, tensimeter 6, metal hose 7, escape pipe 8, air valve 9, screw-rod air compressor 10, elevating lever 11, elevating lever stationary installation 12, water inlet pipe 13, draft tube 14, aerosol mixer water inlet pipe 15, aerosol mixer draft tube 16, aerosol mixer 17, nozzle 18, tank 19, testing table 20, fastening screw 21, steel ruler 22, single grid 23.
Embodiment
Aerial fog nozzle discharge Characteristics Detection platform of the present invention comprises waterpipe supercharge pump 2, screw-rod air compressor (10), flowmeter 5, penstock 4, air valve 9, tensimeter 6, metal hose 7, water inlet pipe 1, rising pipe 3, escape pipe 8, elevating lever 11, elevating lever stationary installation 12, water inlet pipe 13, word draft tube 14, aerosol mixer water inlet pipe 15, aerosol mixer draft tube 16, aerosol mixer 17, nozzle 18, water leg 19, testing table 20, steel ruler 22.Water inlet pipe 1, rising pipe 3 are connected with blower pump for pipeline 2 respectively, and variable valve 4 is installed respectively, and flowmeter 5 is arranged on rising pipe 3, and rising pipe 3 is connected with metal hose 7, simultaneously setting pressure table 6 on the rising pipe that approaches junction.Screw-rod air compressor 10 is connected with pipeline 8 and variable valve 9 is installed, and escape pipe 8 is connected with metal hose 7, simultaneously setting pressure table 6 on the rising pipe that approaches junction.Between water inlet pipe 13, draft tube 14, aerosol mixer water inlet pipe 15, aerosol mixer draft tube 16, aerosol mixer 17, elevating lever, be welded to connect, then metal hose 7 is connected with water inlet pipe 13, draft tube 14 respectively.
Detecting step is as follows:
1. checking system setting:
(1) use the nozzle after some cycles rolls off the production line to be arranged on aerosol mixer nozzle installation site, according to nozzle characteristic table and in conjunction with production actual set setting parameter air pressure, hydraulic pressure, be adjusted to after setting value until each pressure parameter, close detection system.
(2) unclamp fastening screw, drop to and tank height flush position, regulate water leg center and nozzle center's centering, then promote elevating lever with reference to steel ruler, adjusting nozzle head is that H(H is generally the distance between nozzle head distance casting blank surface apart from the distance between tank), as shown in Fig. 3-a.
(3) open checking system, writing time, the instant flow of flowmeter (repeatedly) and flowmeter integrated flow when open system.After operation certain hour (time does not overflow with water in tank grid and has certain surplus to be as the criterion), close detection system.
(4) centered by the alignment of nozzle and water leg (19) " O ", in the each grid of use steel ruler (22) measuring set tank, degree of depth h1, the h2 of water, h3......hx(are as shown in Fig. 3-b).In 360 ° of central points " O ", determine maximum jeting area by contrast water depth value, determine that with the distance of choosing grid central point maximum injection zone radius Rmax, minimum jeting area radius R min(are as shown in Fig. 3-c according to Pythagorean theorem computing center point O).
2. nozzle characteristic detection method:
(1) detection of water discharge nozzle:
Wherein: actual discharge: q;
The instant discharge that flowmeter shows: q
1, q
2, q
3q
x;
Flowmeter integrated flow: Q;
Nozzle water spraying time: t;
(2) detection of spray angle:
Wherein: actual ejection angle: θ;
Nozzle is apart from the height on tank top: H;
Jeting area radius: Rx;
(3) detection of nozzle ejection region shape:
Draw water leg plane sketch, on plane sketch, mark is chosen the particular location of grid, and then camber line connects the central point of selected each grid of choosing successively, determines jeting area shape sketch.
Water discharge nozzle after rolling off the production line by comparative analysis detects data and specified discharge performance data, can determine rational nozzle life cycle.
Claims (5)
1. an aerial fog nozzle discharge Characteristics Detection platform, it is characterized in that, comprise waterpipe supercharge pump (2), screw-rod air compressor (10), flowmeter (5), penstock (4), air valve (9), tensimeter (6), metal hose (7), water inlet pipe (1), rising pipe (3), escape pipe (8), elevating lever (11), elevating lever stationary installation (12), water inlet pipe (13), word draft tube (14), aerosol mixer water inlet pipe (15), aerosol mixer draft tube (16), aerosol mixer (17), nozzle (18), water leg (19), testing table (20), steel ruler (22), water inlet pipe (1), rising pipe (3) are connected with blower pump for pipeline (2) respectively, and variable valve (4) is installed respectively, it is upper that flowmeter (5) is arranged on rising pipe (3), and rising pipe (3) is connected with metal hose (7), simultaneously setting pressure table (6) on the rising pipe that approaches junction, screw-rod air compressor (10) is connected with pipeline (8) and variable valve (9) is installed, and escape pipe (8) is connected with metal hose (7), simultaneously setting pressure table (6) on the rising pipe that approaches junction, between water inlet pipe (13), draft tube (14), aerosol mixer water inlet pipe (15), aerosol mixer draft tube (16), aerosol mixer (17), elevating lever, be welded to connect, metal hose (7) is connected with water inlet pipe (13), draft tube (14) respectively.
2. detection platform according to claim 1, is characterized in that, water leg (19) is made up of long 30mm, wide 30mm, 81 grid that high 130mm is identical, and material is organic glass, and thickness is 2mm.
3. detection platform according to claim 1, is characterized in that, water inlet pipe (13), draft tube (14) are " 7 " font.
4. require described method according to right 1, it is characterized in that, the definite of nozzle (18) jeting area radius is degree of depth h1, h2, the h3... that uses water in the each grid of steel ruler (22) measuring set tank (19) ... hx, then in 360 ° of central points " O ", determine maximum jeting area by contrast water depth value, according to Pythagorean theorem computing center point O and choose the distance calculating jeting area radius of grid central point.
5. an aerial fog nozzle discharge characteristic detecting method, is characterized in that, the detection of the detection of water discharge nozzle, the detection of nozzle spray angle, nozzle ejection region shape;
Rely on blower pump for pipeline that stable pressure of supply water is provided, screw-rod air compressor provides stable supply gas pressure, by arrange, examination and adjustment plateform system parameter: the distance of air pressure, hydraulic pressure, nozzle distance tank, aerial fog nozzle cooling strand in simulation continuous casting two cold chamber uses state, and the water nozzle that uses some cycles is tested; Determine water discharge nozzle according to the time of the data of flowmeter and stopwatch, in conjunction with Depth determination nozzle spray angle, the nozzle ejection region shape of water in the each grid of water leg, the characterisitic parameter that contrasts original nozzle is determined rational life cycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410094981.0A CN103868748A (en) | 2014-03-14 | 2014-03-14 | Water flow characteristic detection platform and method for atomizing nozzle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410094981.0A CN103868748A (en) | 2014-03-14 | 2014-03-14 | Water flow characteristic detection platform and method for atomizing nozzle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316303A (en) * | 2014-10-15 | 2015-01-28 | 山东钢铁股份有限公司 | Continuous casting machine nozzle detection device and nozzle detection method |
| CN107830995A (en) * | 2017-09-27 | 2018-03-23 | 山东科技大学 | Atomizer comprehensive performance test device |
| CN113465945A (en) * | 2021-07-13 | 2021-10-01 | 中汽研汽车试验场股份有限公司 | Intelligent networking automobile multifunctional test system and test method thereof |
| CN115446277A (en) * | 2022-08-05 | 2022-12-09 | 河钢乐亭钢铁有限公司 | Slab sector spraying off-line detection device and method |
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| CN2786596Y (en) * | 2005-03-31 | 2006-06-07 | 宝山钢铁股份有限公司 | Nozzle stream density testing equipment |
| JP2010069500A (en) * | 2008-09-18 | 2010-04-02 | Jfe Steel Corp | Device and method for evaluating cooling performance of spray nozzle for secondary cooling in continuous casting |
| JP2010069501A (en) * | 2008-09-18 | 2010-04-02 | Jfe Steel Corp | Device and method for evaluating cooling performance of spray nozzle for secondary cooling in continuous casting |
| CN101915664A (en) * | 2010-09-08 | 2010-12-15 | 北京中冶迈克液压有限责任公司 | Digital full functional water nozzle test system |
| CN202372344U (en) * | 2011-12-15 | 2012-08-08 | 福建龙净环保股份有限公司 | Experiment table device for testing performance of spray nozzle |
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2014
- 2014-03-14 CN CN201410094981.0A patent/CN103868748A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786596Y (en) * | 2005-03-31 | 2006-06-07 | 宝山钢铁股份有限公司 | Nozzle stream density testing equipment |
| JP2010069500A (en) * | 2008-09-18 | 2010-04-02 | Jfe Steel Corp | Device and method for evaluating cooling performance of spray nozzle for secondary cooling in continuous casting |
| JP2010069501A (en) * | 2008-09-18 | 2010-04-02 | Jfe Steel Corp | Device and method for evaluating cooling performance of spray nozzle for secondary cooling in continuous casting |
| CN101915664A (en) * | 2010-09-08 | 2010-12-15 | 北京中冶迈克液压有限责任公司 | Digital full functional water nozzle test system |
| CN202372344U (en) * | 2011-12-15 | 2012-08-08 | 福建龙净环保股份有限公司 | Experiment table device for testing performance of spray nozzle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316303A (en) * | 2014-10-15 | 2015-01-28 | 山东钢铁股份有限公司 | Continuous casting machine nozzle detection device and nozzle detection method |
| CN107830995A (en) * | 2017-09-27 | 2018-03-23 | 山东科技大学 | Atomizer comprehensive performance test device |
| CN113465945A (en) * | 2021-07-13 | 2021-10-01 | 中汽研汽车试验场股份有限公司 | Intelligent networking automobile multifunctional test system and test method thereof |
| CN115446277A (en) * | 2022-08-05 | 2022-12-09 | 河钢乐亭钢铁有限公司 | Slab sector spraying off-line detection device and method |
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Application publication date: 20140618 |