CN110567762A - Steel slag combined sampler and sampling method - Google Patents
Steel slag combined sampler and sampling method Download PDFInfo
- Publication number
- CN110567762A CN110567762A CN201910839284.6A CN201910839284A CN110567762A CN 110567762 A CN110567762 A CN 110567762A CN 201910839284 A CN201910839284 A CN 201910839284A CN 110567762 A CN110567762 A CN 110567762A
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- sampling
- sampler
- slag
- accommodating space
- protection mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
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- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
The invention discloses a steel slag combined sampler and a sampling method, belonging to the technical field of steel making, wherein a sampling mechanism comprises: mounting a rod; the sampling bins are arranged at equal intervals along the extending direction of the mounting rod through fixing pieces, and a first accommodating space is formed inside each sampling bin; the sampling chamber is in threaded connection with the bottom end of the mounting rod, and a second accommodating space is formed inside the sampling chamber, wherein a first sampling material is accommodated in the first accommodating space, and a second sampling material is accommodated in the second accommodating space; the protection mechanism is sleeved on the outer side of the sampling mechanism, so that molten steel samples at different depth positions and slag samples at different thickness positions can be conveniently obtained, and the technical effect of controlling the molten steel and slag conditions of a steel slag interface is realized.
Description
Technical Field
the invention relates to the technical field of steel making, in particular to a steel slag combined sampler and a sampling method.
Background
In order to ensure good molten steel cleanliness, in the production process of high-grade IF steel and other steel grades, modification treatment is generally required to be carried out on slag so as to reduce the oxidability of the slag and avoid oxygen transfer from the slag to the molten steel after refining is finished, and finally, the cleanliness of the molten steel is influenced. A large number of documents report about the slag modification mechanism, and the method is basically divided into two categories, namely, the balance relation between molten steel and slag is explained based on laboratory research, and the relation between slag modification parameters and cleanliness is obtained through industrial production and data regression analysis. However, in the actual production process, these mechanisms are not verified in the actual production, and in the slag-upgrading treatment, not only a balance relationship between molten steel and slag but also a multiphase balance relationship between molten steel and external environment and between slag and external environment exist. In particular, in the actual production process, because the amount of the slag is large, the phenomenon of slag stratification is easy to occur, and the research result is often greatly different from that of the laboratory for adopting small amount of slag. Therefore, the slag upgrading effect in the actual production process cannot be completely explained only by laboratory experiments.
Disclosure of Invention
The invention provides a steel slag combined sampler and a sampling method, which are used for solving the technical problem that the slag modification effect cannot be accurately monitored in the prior art, and achieve the technical effects of conveniently obtaining molten steel samples at different depth positions and slag samples at different thickness positions and controlling the molten steel and slag conditions of a steel slag interface.
In one aspect, the present invention provides a steel slag combined sampler, comprising: a sampling mechanism, the sampling mechanism comprising: mounting a rod; the sampling bins are arranged at equal intervals along the extending direction of the mounting rod through fixing pieces, and a first accommodating space is formed inside each sampling bin; the sampling chamber is in threaded connection with the bottom end of the mounting rod, and a second accommodating space is formed inside the sampling chamber, wherein a first sampling material is accommodated in the first accommodating space, and a second sampling material is accommodated in the second accommodating space; and the protection mechanism is sleeved on the outer side of the sampling mechanism.
preferably, the protection mechanism further comprises: the protective cover is sleeved on the outer sides of the sampling bins, and the bottom of the protective cover is in contact with the upper surface of the sampling chamber; the connecting handle is arranged at the top of the protective cover.
Preferably, the fixing member is a bolt.
Preferably, the outer surface of the mounting rod is provided with threads, and a threaded hole is formed in the center of the second accommodating space, wherein the mounting rod is connected with the sampling chamber in a threaded fit manner.
Preferably, the bottom end of the sampling chamber has a conical head.
In another aspect, the present invention provides a steel slag joint sampling method, which is applied to the aforementioned sampler, and the sampling method includes: sleeving a protection mechanism outside the sampling mechanism, and assembling the sampler; placing the sampler in the molten steel and the slag, and controlling a preset distance between the top of a sampling bin close to the slag interface and the slag interface; lifting the protection mechanism upwards by utilizing the two connecting handles to enable molten steel to enter the sampling chambers, and enabling furnace slags with different heights to correspondingly enter each sampling bin; after a preset time, the protection mechanism is placed downwards by using the connecting handle again, and the bottom of the protection cover is controlled to be in contact with the upper surface of the sampling chamber; and lifting the sampler upwards by utilizing the two connecting handles and the mounting rod to separate the sampler from the molten steel and the slag.
Preferably, the preset distance is 10-60 mm.
Preferably, the preset time is 2-10 s.
preferably, establish the outside at sampling mechanism with protection mechanism cover, assemble the sampler, specifically be: and sleeving a protective cover of the protection mechanism outside the sampling bins, wherein the bottom of the protective cover is in contact with the upper surface of the sampling chamber.
One or more technical solutions in the embodiments of the present invention at least have one or more of the following technical effects:
The embodiment of the invention provides a steel slag combined sampler and a sampling method, wherein the sampler comprises: sampling mechanism and protection mechanism, wherein, sampling mechanism includes: the sampling device comprises a mounting rod, a plurality of sampling bins and sampling chambers, wherein the sampling bins are arranged at equal intervals along the extension direction of the mounting rod through fixing pieces, the sampling chambers can be in threaded connection with the mounting rod through the matching of threaded holes and threads, a first accommodating space is arranged in each sampling bin, and a second accommodating space is arranged in each sampling bin, so that a first sampling material can be accommodated in the first accommodating space of each sampling bin, a second sampling material can be accommodated in the second accommodating space of each sampling bin, and the sampling chambers are arranged below the bottommost sampling bin; furthermore, the protection mechanism is sleeved outside the sampling mechanism, so that the accuracy of a sampling result can be ensured during actual work, the technical problem that the slag modification effect cannot be accurately monitored in the prior art is solved, molten steel samples at different depth positions and slag samples at different thickness positions are conveniently obtained, and the technical effect of controlling the molten steel and slag conditions at a steel slag interface is realized.
the foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic structural diagram of a steel slag combined sampler according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the sampling mechanism of FIG. 1;
FIG. 3 is a schematic diagram of the construction of the sampling chamber of FIG. 1;
FIG. 4 is a schematic structural view of the protection mechanism of FIG. 1;
FIG. 5 is a schematic view of the mounting of the sampling mechanism of FIG. 1;
FIG. 6 is a schematic flow chart of a method for jointly sampling steel slag according to an embodiment of the present invention.
description of reference numerals: 1-mounting a rod; 2-sampling a bin; 3-a fixing piece; 4-a sampling chamber; 5-a protective cover; 6-connecting a handle.
Detailed Description
The embodiment of the invention provides a steel slag combined sampler and a method, which are used for solving the technical problem that the slag modification effect cannot be accurately monitored in the prior art.
The technical scheme in the embodiment of the invention has the following general idea:
The embodiment of the invention provides a steel slag combined sampler and a method, wherein the sampling mechanism comprises: mounting a rod; the sampling bins are arranged at equal intervals along the extending direction of the mounting rod through fixing pieces, and a first accommodating space is formed inside each sampling bin; the sampling chamber is in threaded connection with the bottom end of the mounting rod, and a second accommodating space is formed inside the sampling chamber, wherein a first sampling material is accommodated in the first accommodating space, and a second sampling material is accommodated in the second accommodating space; the protection mechanism is sleeved on the outer side of the sampling mechanism, so that molten steel samples at different depth positions and slag samples at different thickness positions are obtained conveniently, and the technical effect of controlling the molten steel and slag conditions of a steel slag interface is achieved.
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Example one
Fig. 1 is a schematic structural diagram of a steel slag joint sampler in an embodiment of the present invention, and as shown in fig. 1, the steel slag joint sampler includes:
a sampling mechanism, the sampling mechanism comprising: a mounting rod 1; a plurality of sample storehouses 2, each sample storehouse 2 passes through mounting 3 along the extending direction equidistant setting of installation pole 1, just 2 inside first accommodation spaces that have in sample storehouse.
Further, the fixing member 3 is a bolt.
further, the sampling bin 2 is a funnel.
Particularly, the part that is used for the sample in the sampler is adopted to the sampling mechanism, and the sampling mechanism specifically includes installation pole 1, a plurality of sample storehouse 2, and wherein, the threaded lead screw is seted up for an outside to installation pole 1, and then can install a plurality of sample storehouses 2 in the vertical direction of installation pole 1, does not do specific restriction to the quantity in sample storehouse 2 in this embodiment, that is to say, the quantity in sample storehouse 2 can design the installation according to actual need. As shown in fig. 2, specifically: each sample storehouse is equidistant to be distributed on installation pole 1, and the sample storehouse 2 of selecting in this embodiment is the funnel, like this, can install sample storehouse on installation pole 1 through the through-hole in the middle of the funnel, then utilize mounting 3 to fix, wherein, the mounting 3 of selecting in this embodiment is the bolt. After a plurality of sample storehouses 2 arranged on installation pole 1, can utilize the inside first accommodation space in sample storehouse 2 to sample, simultaneously because a plurality of sample storehouses 2 are located not co-altitude respectively, then can sample to the slag of the different degree of depth.
Further, the sampling mechanism further comprises: sampling chamber 4, sampling chamber 4 with the bottom threaded connection of installation pole 1, just sampling chamber 4 is inside to have the second accommodation space, wherein, the first sample material of holding in the first accommodation space, the second sample material of holding in the second accommodation space.
Furthermore, the outer surface of the mounting rod 1 is provided with threads, and a threaded hole is formed in the center of the second accommodating space, wherein the mounting rod 1 is connected with the sampling chamber 4 in a threaded fit manner.
Further, the bottom end of the sampling chamber 4 has a conical head.
Specifically, the sampling mechanism further includes a sampling chamber 4, as shown in fig. 3, the upper portion of the sampling chamber 4 is a groove-shaped structure, the lower end of the sampling chamber has a conical head, wherein a second receiving space is provided in the upper portion of the sampling chamber 4, so that the second receiving space can receive the sampling material therein. Furthermore, as shown in fig. 5, a threaded hole is formed in the center of the sampling chamber 4, and an external thread is formed outside the mounting rod 1, so that the sampling chamber 4 can be in threaded connection with the mounting rod 1 through the matching of the threaded hole and the thread, and meanwhile, the sampling chamber 4 is installed below the bottommost sampling bin 2, so that molten steel samples at different depth positions and slag samples at different thickness positions can be obtained through different height designs, and further, molten steel and slag conditions at a steel slag interface can also be obtained.
And the protection mechanism is sleeved on the outer side of the sampling mechanism.
further, the protection mechanism further comprises: the protective cover 5 is sleeved on the outer sides of the sampling bins 2, and the bottom of the protective cover 5 is in contact with the upper surface of the sampling chamber 4; a connecting handle 6, wherein the connecting handle 6 is arranged on the top of the protective cover 5. Specifically, the protection mechanism is a component of the sampler for ensuring accurate sampling results, and therefore, the protection mechanism is installed outside the sampling mechanism when in use, as shown in fig. 4, the protection mechanism includes: protective cover 5 and connection handle 6, specifically: the protective cover 5 is in a hollow cylindrical structure, the protective cover 5 is sleeved outside the sampling chambers 2 when in work, the height of the protective cover 5 is higher than the total height of the sampling chambers 2, and the bottom ends of the protective cover 5 are in contact with the top ends of the sampling chambers 4; the connecting handles 6 are used for holding and lifting, and the number of the connecting handles 6 is preferably two in the embodiment, so that the stability in the lifting process can be ensured. Wherein, two connection handles 6 can adopt the welded mode to weld in the circumferencial direction of safety cover 5, and use the axis of safety cover 5 as the axisymmetrical installation. Through the mutual cooperation of the protection mechanism and the sampling mechanism, the molten steel and the slag can be jointly sampled in the actual production process, particularly molten steel samples at different depth positions and slag samples at different thickness positions can be obtained, and the molten steel and slag conditions of a steel slag interface can be further obtained.
example two
fig. 6 shows a steel slag joint sampling method applied to the aforementioned sampler, in an embodiment of the present invention, the sampling method includes:
Step 110: and sleeving the protection mechanism outside the sampling mechanism to assemble the sampler.
further, establish the outside at sampling mechanism with protection mechanism cover, assemble the sampler, specifically do: and sleeving a protective cover 5 of the protective mechanism outside the sampling chambers 2, wherein the bottom of the protective cover 5 is in contact with the upper surface of the sampling chamber 4.
Specifically, the steel slag combined sampler is assembled before sampling is started. Specifically, the method comprises the following steps: a plurality of sampling bins 2 are fixed on an installation rod 1 through a fixing piece 3, the installation rod 1 is inserted into a threaded molten steel sampling chamber 4 in a rotating mode to form a sampling mechanism, then a connection handle 6 of the protection mechanism is welded on a protection cover 5, and the protection cover 5 is sleeved outside the sampling bins 2.
Step 120: the sampler is placed in the molten steel and the slag, and the top of the sampling bin 2 close to the slag interface is controlled to have a preset distance with the slag interface.
further, the preset distance is 10-60 mm.
Particularly, put into molten steel and slag with the sampler that assembles, at this moment, because the safety cover 5 cover is outside in sample storehouse 2, can prevent like this that there are molten steel and slag to get into the sampler at the in-process of putting into, influence the sample result, after the sampler was put down, still need control the upper edge of sampler 10 ~ 60mm department under the slag interface simultaneously.
step 130: the protection mechanism is lifted upwards by using the two connecting handles 6, so that the molten steel enters the sampling chamber 4, and the furnace slag with different heights correspondingly enters each sampling bin 2.
Specifically, after the sampler is put in, the protective mechanism is removed, that is, the protective cover 5 is lifted out of the molten steel and the slag through the connecting handle 6, and the lower edge of the protective cover 5 is controlled to be higher than the surface of the slag, so that the slag and the molten steel at different height positions can correspondingly enter the sampling bin 2 and the interior of the sampling chamber.
Step 140: after a preset time, the connecting handle is reused to place the protection mechanism downwards, and the bottom of the protection cover is controlled to be in contact with the upper surface of the sampling chamber.
step 150: the sampler is lifted upwards by means of the two connection handles 6 and the mounting bar 1, so that the sampler is detached from the molten steel and slag.
Further, the preset time is 2-10 s.
Particularly, when protection mechanism breaks away from molten steel and slag, after 2 ~ 10s, reuse connection handle 6 and put into slag and molten steel with protection mechanism, be about being established the outside at a plurality of sample storehouses 2 at safety cover 5 cover, the bottom of control safety cover 5 contacts with the upper surface of sampling chamber 3, can prevent like this that the inside molten steel of sampler and slag from flowing out, the slag inflow of outside has also been prevented simultaneously, then, utilize two connection handle 6 and installation pole 1 to mention whole sampler upwards, make the sampler can break away from molten steel and slag, so far the sample can be accomplished.
Therefore, the sampling method in the embodiment can be used for carrying out combined sampling on the molten steel and the slag in the actual production process, particularly can be used for obtaining molten steel samples at different depth positions and slag samples at different thickness positions, and can be used for obtaining the molten steel and slag conditions of a steel slag interface.
One or more technical solutions in the embodiments of the present invention at least have one or more of the following technical effects:
The embodiment of the invention provides a steel slag combined sampler and a sampling method, wherein the sampler comprises: sampling mechanism and protection mechanism, wherein, sampling mechanism includes: the sampling device comprises a mounting rod, a plurality of sampling bins and sampling chambers, wherein the sampling bins are arranged at equal intervals along the extension direction of the mounting rod through fixing pieces, the sampling chambers can be in threaded connection with the mounting rod through the matching of threaded holes and threads, a first accommodating space is arranged in each sampling bin, and a second accommodating space is arranged in each sampling bin, so that a first sampling material can be accommodated in the first accommodating space of each sampling bin, a second sampling material can be accommodated in the second accommodating space of each sampling bin, and the sampling chambers are arranged below the bottommost sampling bin; furthermore, the protection mechanism is sleeved outside the sampling mechanism, so that the accuracy of a sampling result can be ensured during actual work, the technical problem that the slag modification effect cannot be accurately monitored in the prior art is solved, molten steel samples at different depth positions and slag samples at different thickness positions are conveniently obtained, and the technical effect of controlling the molten steel and slag conditions at a steel slag interface is realized.
while preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. A steel slag combined sampler is characterized by comprising:
A sampling mechanism, the sampling mechanism comprising:
Mounting a rod;
the sampling bins are arranged at equal intervals along the extending direction of the mounting rod through fixing pieces, and a first accommodating space is formed inside each sampling bin;
The sampling chamber is in threaded connection with the bottom end of the mounting rod, and a second accommodating space is formed inside the sampling chamber, wherein a first sampling material is accommodated in the first accommodating space, and a second sampling material is accommodated in the second accommodating space;
and the protection mechanism is sleeved on the outer side of the sampling mechanism.
2. The sampler of claim 1, wherein the protection mechanism comprises:
the protective cover is sleeved on the outer sides of the sampling bins, and the bottom of the protective cover is in contact with the upper surface of the sampling chamber;
The connecting handle is arranged at the top of the protective cover.
3. A sampler according to claim 1, wherein the fixing member is a bolt.
4. The sampler of claim 1, wherein the outer surface of the mounting rod is provided with threads, and a threaded hole is formed at the central position of the second accommodating space, wherein the mounting rod is connected with the sampling chamber in a threaded fit manner.
5. A sampler as claimed in claim 1, in which the bottom end of the sampling chamber has a conical head.
6. A sampler according to claim 1, in which the sampling chamber is a funnel.
7. A steel slag joint sampling method applied to the sampler of any one of claims 1 to 6, wherein the sampling method comprises the following steps:
sleeving a protection mechanism outside the sampling mechanism, and assembling the sampler;
Placing the sampler in the molten steel and the slag, and controlling a preset distance between the top of a sampling bin close to the slag interface and the slag interface;
Lifting the protection mechanism upwards by utilizing the two connecting handles to enable molten steel to enter the sampling chambers, and enabling furnace slags with different heights to correspondingly enter each sampling bin;
After a preset time, the protection mechanism is placed downwards by using the connecting handle again, and the bottom of the protection cover is controlled to be in contact with the upper surface of the sampling chamber;
And lifting the sampler upwards by utilizing the two connecting handles and the mounting rod to separate the sampler from the molten steel and the slag.
8. The sampling method of claim 7, wherein the predetermined distance is 10 to 60 mm.
9. the sampling method of claim 7, wherein the predetermined time is 2-10 s.
10. the sampling method according to claim 7, wherein the protection mechanism is sleeved outside the sampling mechanism, and the sampler is assembled, specifically:
And sleeving a protective cover of the protection mechanism outside the sampling bins, wherein the bottom of the protective cover is in contact with the upper surface of the sampling chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839284.6A CN110567762A (en) | 2019-09-05 | 2019-09-05 | Steel slag combined sampler and sampling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910839284.6A CN110567762A (en) | 2019-09-05 | 2019-09-05 | Steel slag combined sampler and sampling method |
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| CN110567762A true CN110567762A (en) | 2019-12-13 |
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| CN201910839284.6A Pending CN110567762A (en) | 2019-09-05 | 2019-09-05 | Steel slag combined sampler and sampling method |
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| CN203025010U (en) * | 2013-01-29 | 2013-06-26 | 山东电力集团公司电力科学研究院 | Powdery material manual sampling tube |
| CN206330790U (en) * | 2016-12-26 | 2017-07-14 | 重庆山楂树科技有限公司 | Multilayer water sampler |
| CN107290174A (en) * | 2017-08-04 | 2017-10-24 | 山东科技大学 | New water sample bed mud combined sampling device and its method for sampling |
| CN207215518U (en) * | 2017-10-10 | 2018-04-10 | 刘金波 | A kind of Food Inspection sampler |
| CN208060198U (en) * | 2018-01-16 | 2018-11-06 | 马丽 | Monitoring water environment multilayer depth sampler |
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2019
- 2019-09-05 CN CN201910839284.6A patent/CN110567762A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5471886A (en) * | 1993-06-02 | 1995-12-05 | Kalidindi; Sanyasi R. | Unit-dose liquid sampling device and method of use |
| CN201765136U (en) * | 2010-09-07 | 2011-03-16 | 鞍钢股份有限公司 | Stratification slag sample collecting device |
| CN202939070U (en) * | 2012-12-04 | 2013-05-15 | 中国长城葡萄酒有限公司 | Simple sampling device for large-container raw grape wine |
| CN203025010U (en) * | 2013-01-29 | 2013-06-26 | 山东电力集团公司电力科学研究院 | Powdery material manual sampling tube |
| CN206330790U (en) * | 2016-12-26 | 2017-07-14 | 重庆山楂树科技有限公司 | Multilayer water sampler |
| CN107290174A (en) * | 2017-08-04 | 2017-10-24 | 山东科技大学 | New water sample bed mud combined sampling device and its method for sampling |
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Application publication date: 20191213 |