CN216899728U

CN216899728U - Clean sampling device of quick cooling sample

Info

Publication number: CN216899728U
Application number: CN202122514182.2U
Authority: CN
Inventors: 音正元; 叶传虎; 王傲能; 王胜勇; 卢家斌
Original assignee: Wisdri Wuhan Automation Co Ltd
Current assignee: Wisdri Wuhan Automation Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-07-05
Anticipated expiration: 2031-10-19

Abstract

The utility model provides a clean sampling device for rapidly cooling a sample, which comprises a sampling assembly, a displacement control mechanism for controlling the sampling position of the sampling assembly, an injection mechanism for injecting cooling liquid or high-pressure gas and a storage mechanism for storing the cooling liquid and the high-pressure gas, wherein the displacement control mechanism is used for controlling the sampling position of the sampling assembly; the sampling assembly is detachably fixed on the displacement control mechanism, the storage mechanism is connected with the sampling assembly through the blowing mechanism, and the injection angle of the blowing mechanism is aligned to the lower part of the sampling end of the sampling assembly. The utility model has simple structure and convenient operation, and utilizes the high-pressure gas of the blowing mechanism to blow the slag layer of the ladle surface before sampling, thereby avoiding the slag from entering the sampler and ensuring the accuracy and precision of the sample; and the cooling liquid sprayed by the spraying and blowing mechanism is used for cooling the sample in the sampler after sampling, so that the accuracy of sampling result analysis is ensured.

Description

Clean sampling device of quick cooling sample

Technical Field

The utility model belongs to the technical field of ferrous metallurgy equipment, and particularly relates to a clean sampling device for rapidly cooling a sample.

Background

Often need detect molten steel or molten iron temperature, composition among the metallurgical production process, often rely on the manual work to take a sample among the traditional handicraft, nevertheless there is one deck slag blanket in ladle or the hot metal bottle, and the sampler need just can take a sample to molten steel or molten iron through the slag blanket when the sample, and this must let partial slag get into inside the sampler to pollute the sample, influence the accuracy of sample. In addition, the sample is rarely cooled in the current stage, and if high-temperature molten iron or molten steel is cooled slowly, segregation occurs, inclusion components are transformed, and the accuracy of sampling result analysis is also influenced.

Through search, Chinese patent (application No. 202110228855.X, application No. 2021-3-2) discloses a molten iron slag breaking and temperature measuring sampler, comprising: the slag breaking head is connected with a lifting driving mechanism, a fixing part of the lifting driving mechanism is arranged on an installation platform, and the installation platform is parallel to and above the ladle platform; the temperature measurement and sampling integrated paper tube is detachably connected with the output end of the lifting driving mechanism and is positioned above the slag breaking head; the slag breaking head and the temperature measurement sampling integrated paper tube are provided with three stations which are respectively a mounting platform sampling station, a temperature measurement sampling working station and a ladle platform sampling station, the lifting driving mechanism drives the slag breaking head and the temperature measurement sampling integrated paper tube to move among the three stations, and the molten iron slag breaking and temperature measurement sampler can meet the requirement that an operator takes samples at the upper and lower double stations so as to be convenient for the operator to carry out nearby sampling according to the current position of the operator; however, the structural design is complex, the equipment is difficult to maintain and overhaul, and the sample cooling function is not considered.

Chinese patent (application number: 202021933197.1, filing date: 2020-9-7) discloses a robot temperature measurement sampling device, which comprises: a temperature measuring device body; the clamping plate is connected with the temperature measuring device body and provided with a first through hole and a second through hole, and the first through hole and the second through hole are positioned in the same vertical direction; one end of the temperature measuring rod is positioned in the first through hole; one end of the sampling mechanism is positioned in the second through hole; the sampling mechanism comprises a connecting column and a sampling rod, one end of the connecting column is located in the second through hole, and the sampling rod is sleeved at the other end of the connecting column. The structure can realize synchronous sampling and temperature measurement, reduces the detection flow and detection time, greatly improves the production efficiency, does not consider the influence of slag on the sampling result, and has low accuracy of the sampling result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, slag cannot be prevented from entering a sampler during temperature measurement and sampling, and the sampling analysis accuracy is influenced because a sample is not cooled.

Therefore, the utility model provides a clean sampling device for rapidly cooling a sample, which comprises a sampling assembly, a displacement control mechanism for controlling the sampling position of the sampling assembly, a blowing mechanism for blowing cooling liquid or high-pressure gas and a storage mechanism for storing the cooling liquid and the high-pressure gas, wherein the displacement control mechanism is used for controlling the sampling position of the sampling assembly; the sampling assembly is detachably fixed on the displacement control mechanism, the storage mechanism is connected with the sampling assembly through the blowing mechanism, and the injection angle of the blowing mechanism is aligned to the lower part of the sampling end of the sampling assembly.

Furthermore, the sampling assembly comprises a sampling rod and a sampler, the sampling rod is detachably connected with the displacement control mechanism, the sampler and the blowing mechanism are respectively connected to two ends of the sampling rod, the spraying end part of the blowing mechanism is positioned outside the sampling rod, and the spraying angle of the spraying mechanism is aligned with the lower part of the sampler.

Further, the displacement control mechanism is a sampling robot.

Further, the blowing mechanism comprises a conveying pipe, a peripheral conveying pipe and a nozzle which are connected in sequence, one end, far away from the peripheral conveying pipe, of the conveying pipe is connected with the storage mechanism, one end, close to the peripheral conveying pipe, of the conveying pipe is fixedly connected to the sampling assembly, the peripheral conveying pipe and the nozzle are arranged outside the sampling assembly, and the spraying angle of the nozzle is aligned to the lower portion of the sampling end of the sampling assembly.

Furthermore, high-temperature material protective layers are arranged outside the conveying pipe, the external conveying pipe and the spray head.

Further, the storage mechanism comprises a gas storage tank for storing high-pressure gas and a liquid storage tank for storing cooling liquid, and the gas storage tank and the liquid storage tank are both connected with an inlet of the injection mechanism.

Furthermore, a flow rate control valve for controlling the flow rate of the cooling liquid is arranged between the liquid storage tank and the injection mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

the clean sampling device for rapidly cooling the sample has a simple structure and is convenient to operate, and the high-pressure gas of the injection mechanism is used for injecting the slag layer on the steel ladle surface before sampling, so that the slag is prevented from entering the sampler, and the accuracy and precision of the sample are ensured; and the cooling liquid sprayed by the spraying and blowing mechanism is used for cooling the sample in the sampler after sampling, so that the accuracy of sampling result analysis is ensured.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the structure of a clean sampling device for rapidly cooling a sample according to the present invention;

figure 2 is a schematic diagram of the blowing mechanism in an embodiment of the present invention.

Description of reference numerals: 1. a sampling assembly; 2. a blowing mechanism; 3. a displacement control mechanism; 4. a storage mechanism; 5. a gas storage tank; 6. a liquid storage tank; 7. a delivery pipe; 8. a conveying pipe is arranged outside; 9. a spray head; 10. a sampling rod; 11. and a sampler.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and fig. 2, the present embodiment provides a clean sampling device for rapidly cooling a sample, which includes a sampling assembly 1, a displacement control mechanism 3 for controlling a sampling position of the sampling assembly 1, a blowing mechanism 2 for blowing a cooling liquid or a high-pressure gas, and a storage mechanism 4 for storing the cooling liquid and the high-pressure gas; the sampling assembly 1 is detachably fixed on the displacement control mechanism 3, the storage mechanism 4 is connected with the sampling assembly 1 through the blowing mechanism 2, and the injection angle of the blowing mechanism 2 is aligned with the lower part of the sampling end of the sampling assembly 1. In the embodiment, the sampling assembly 1 is moved to the position above the molten steel to be sampled through the displacement control mechanism 3, meanwhile, the outlet injection angle of the injection mechanism 2 is aligned to the lower part of the sampling end of the sampling assembly 1, high-pressure gas is injected to the surface of the molten steel below the sampling assembly 1 through the injection mechanism 2, the slag layer on the surface of the steel ladle forms a slag hole through high-speed airflow, the sampling end of the sampling assembly 1 enters the molten steel through the slag hole to directly take out a sample, the phenomenon that the slag enters the inside of the sampling sample to pollute the sample is avoided, and the accuracy and the precision of the taken sample are ensured; after the sample is taken out by the sampling component 1, the displacement control mechanism 3 moves the sampling component 1 with the sample to other positions, at the moment, high-pressure gas in the storage mechanism 4 is closed, meanwhile, cooling liquid in the storage mechanism 4 is sprayed to the outside of one end, provided with the sample, in the sampling component 1 through the spraying and blowing mechanism 2, the sample taken out from the sampling component 1 is cooled, the sample is rapidly cooled to be in a solid state from a high-temperature liquid state, the problem that the components of the sample are not uniform due to segregation is avoided, impurities in molten steel can still be kept in the high-temperature state, the change of the forms and components due to slow temperature change is avoided, and the accuracy of sampling result analysis is ensured.

In a specific embodiment, the sampling assembly 1 comprises a sampling rod 10 and a sampler 11, the sampling rod 10 is detachably connected with a displacement control mechanism 3, specifically, the displacement control mechanism 3 adopts a sampling robot, the sampling robot clamps the sampling rod 10 through a clamp, and the movement of the sampling assembly 1 is driven by controlling the movement of the sampling robot; of course, the displacement control mechanism in this embodiment is not limited to the sampling robot, and any structure can be used as long as the sampling assembly 1 can be fixed and the sampling assembly 1 can be driven to move to the designed position. The sampler 11 is connected to the bottom outlet end of the sampling rod 10, the blowing mechanism 2 is connected to the upper inlet end of the sampling rod 10, and the outlet injection end of the blowing mechanism 2 is positioned outside the sampling rod 10, and the injection angle of the blowing mechanism is aligned with the lower part of the sampler 11, so that the cooling liquid is injected outside the sampler 11, and high-pressure gas is injected into the molten steel below the sampler 11.

Optionally, as shown in fig. 2, the blowing mechanism 2 includes a conveying pipe 7, an external conveying pipe 8 and a spray head 9 which are connected in sequence, one end of the conveying pipe 7 far away from the external conveying pipe 8 is connected with the storage mechanism 4, one end of the conveying pipe 7 close to the external conveying pipe 8 is fixedly connected to the sampling assembly 1, and the external conveying pipe 8 and the spray head 9 are arranged outside the sampling assembly 1; specifically, 7 one end of conveyer pipe is connected with storage mechanism 4, and the other end stretches into the inside fixed of sample rod 10 entrance point, can open a hole on the lateral wall of sample rod 10 simultaneously, and the one end of peripheral hardware conveyer pipe 8 stretches into inside being connected with conveyer pipe 7 of sample rod 10 through this trompil, and shower nozzle 9 is connected to the other end of peripheral hardware conveyer pipe 8 to the mounted position of adjustment shower nozzle 9 makes the spray angle of shower nozzle 9 aim at 11 lower parts of sampler. During sampling, a sampling rod 10 is inserted into molten steel through a sampling robot, high-pressure gas is sprayed to the lower part of a sampler 11 through a conveying pipe 7, an external conveying pipe 8 and a spray head 9 in sequence, a slag hole is formed on a slag layer on the surface of a steel ladle by high-speed gas flow, and the sampler 11 enters the molten steel through the slag hole to directly take out a sample; after the sample is taken out by sampler 11, sampling robot moves sampling rod 10 to other positions, closes the pipeline of high-pressure gas this moment, opens the pipeline of coolant liquid, makes the coolant liquid spout on sampler 11 through adjusting the coolant liquid velocity of flow to let the sample of sampler 11 inside cool off to solid state from high temperature liquid state fast.

Optimized, all be equipped with the high temperature material protective layer outside conveyer pipe 7, peripheral hardware conveyer pipe 8 and shower nozzle 9, prevent to splash and lead to equipment to damage at sample in-process molten steel and slag.

Optionally, the storage mechanism 4 includes a gas storage tank 5 for storing high-pressure gas and a liquid storage tank 6 for storing cooling liquid, wherein the high-pressure gas may be nitrogen, argon, etc., and the cooling liquid may be water, and the gas storage tank 5 and the liquid storage tank 6 are connected with the inlet of the delivery pipe 7 of the blowing mechanism 2 through delivery pipes. In order to ensure that the cooling liquid can be sprayed onto the sampler 11, a flow rate control valve for controlling the flow rate of the cooling liquid is optimally arranged between the liquid storage tank 6 and the blowing mechanism 2, the purpose of controlling the spraying effect of the cooling liquid is achieved by controlling the flow rate of the cooling liquid, and the cooling rate and the cooling effect of the cooling liquid on the sample in the sampler 11 are improved.

In conclusion, the clean sampling device for rapidly cooling the sample provided by the utility model has the advantages that the structure is simple, the operation is convenient, and the high-pressure gas of the injection mechanism is utilized to inject the slag layer on the steel ladle surface before sampling, so that the slag is prevented from entering the sampler, and the accuracy and precision of taking out the sample are ensured; and the cooling liquid sprayed by the spraying and blowing mechanism is used for cooling the sample in the sampler after sampling, so that the accuracy of sampling result analysis is ensured.

The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the utility model, which is intended to be covered by the claims and any design similar or equivalent to the scope of the utility model.

Claims

1. The utility model provides a clean sampling device of quick cooling sample which characterized in that: the device comprises a sampling assembly, a displacement control mechanism for controlling the sampling position of the sampling assembly, a blowing mechanism for blowing cooling liquid or high-pressure gas and a storage mechanism for storing the cooling liquid and the high-pressure gas; the sampling assembly is detachably fixed on the displacement control mechanism, the storage mechanism is connected with the sampling assembly through the blowing mechanism, and the injection angle of the blowing mechanism is aligned to the lower part of the sampling end of the sampling assembly.

2. A clean sampling device for rapidly cooling a sample as defined in claim 1, wherein: the sampling assembly comprises a sampling rod and a sampler, the sampling rod is detachably connected with the displacement control mechanism, the sampler and the blowing mechanism are respectively connected to two ends of the sampling rod, the spraying end part of the blowing mechanism is located outside the sampling rod, and the spraying angle of the spraying end part is aligned to the lower part of the sampler.

3. A clean sampling device for rapidly cooling a sample as defined in claim 1, wherein: the displacement control mechanism is a sampling robot.

4. A clean sampling device for rapidly cooling a sample as defined in claim 1, wherein: the jetting mechanism comprises a conveying pipe, a peripheral conveying pipe and a nozzle which are connected in sequence, one end, far away from the peripheral conveying pipe, of the conveying pipe is connected with a storage mechanism, one end, close to the peripheral conveying pipe, of the conveying pipe is fixedly connected to the sampling assembly, the peripheral conveying pipe and the nozzle are arranged outside the sampling assembly, and the jetting angle of the nozzle is aligned to the lower portion of the sampling end of the sampling assembly.

5. A clean sampling device for rapidly cooling a sample as defined in claim 4, wherein: and high-temperature material protective layers are arranged outside the conveying pipe, the external conveying pipe and the spray head.

6. A clean sampling device for rapidly cooling a sample as defined in claim 1, wherein: the storage mechanism comprises a gas storage tank for storing high-pressure gas and a liquid storage tank for storing cooling liquid, and the gas storage tank and the liquid storage tank are both connected with an inlet of the injection mechanism.

7. A clean sampling device for rapidly cooling a sample as defined in claim 6, wherein: and a flow rate control valve for controlling the flow rate of the cooling liquid is arranged between the liquid storage tank and the blowing mechanism.