CN112730214A - Device and method for testing strength of hollow particle continuous casting mold flux - Google Patents
Device and method for testing strength of hollow particle continuous casting mold flux Download PDFInfo
- Publication number
- CN112730214A CN112730214A CN202011539400.1A CN202011539400A CN112730214A CN 112730214 A CN112730214 A CN 112730214A CN 202011539400 A CN202011539400 A CN 202011539400A CN 112730214 A CN112730214 A CN 112730214A
- Authority
- CN
- China
- Prior art keywords
- blowing
- continuous casting
- vibrating screen
- screening
- particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a strength testing device for hollow particle continuous casting covering slag, which comprises a blowing tank, a feeding assembly and a screening assembly, wherein the feeding assembly comprises a feeding bin, a feeding pipe and an air blower, one end of the feeding pipe is positioned in the blowing tank, the other end of the feeding pipe is communicated with an air outlet of the air blower through a pipeline, a discharge hole of the feeding bin is communicated with the feeding pipe, and the pipeline is also provided with a flowmeter and a pressure gauge; the screening component comprises a first vibrating screen, a second vibrating screen and a material guide plate which are horizontally arranged right below the blowing tank, the first vibrating screen, the second vibrating screen and the material guide plate are sequentially arranged from top to bottom at intervals, the mesh number of the first vibrating screen is 32 meshes, and the mesh number of the second vibrating screen is 80 meshes. The test method can truly reduce the blowing and slag adding process of the covering slag in the continuous casting process, and can accurately measure the strength of the hollow particle continuous casting covering slag under the blowing condition.
Description
Technical Field
The invention belongs to the technical field of steelmaking continuous casting application, and particularly relates to a device and a method for testing strength of hollow particle continuous casting covering slag.
Background
The continuous casting crystallizer casting powder is a functional material necessary for the steelmaking continuous casting process, is also an important material for ensuring the smooth casting of the molten steel of the crystallizer, and mainly plays the five functions of preventing the molten steel from being oxidized, insulating heat, absorbing melted impurities, lubricating a casting blank and controlling heat transfer in the crystallizer. The continuous casting crystallizer covering slag can be divided into powder continuous casting crystallizer covering slag and hollow granular continuous casting crystallizer covering slag according to the morphological characteristics. The powder type mold flux has the disadvantages of serious environmental pollution, unsuitability for automatic addition, etc. The hollow spherical particle covering slag has small specific gravity and good spreadability, and is suitable for people to add in a mechanical mode. Therefore, the hollow granular covering slag becomes the main direction of the clean and intelligent production development of the continuous casting process.
The grain strength of the continuous casting mold flux is an important parameter for measuring the quality of the continuous casting mold flux product. The covering slag that granule intensity is low is in product transportation, storage process and the automatic sediment in-process that adds of continuous casting, receives factors such as external pressure, interparticle friction and collision to make and produces the breakage, influences the physical and chemical properties of continuous casting covering slag, mainly reflects in: on one hand, the shape characteristics and the internal structure of the covering slag are changed, so that the characteristics of ventilation, heat preservation, heat transfer and the like of the covering slag in the continuous casting crystallizer are poor; on the other hand, dust generated by crushing causes environmental pollution and harms human health. In order to improve the physical and chemical properties of the continuous casting mold flux, higher requirements are put forward on the strength of the mold flux.
At present, the method for measuring the strength of the hollow particle casting powder in China is mainly a static pressure test method, namely, 50g of continuous casting powder is put into a container with the diameter of 70mm, 42kg of force is applied to a sample, the sample is taken out after being kept for 2min, the sample is manually screened for 2min by using a sieve with the lower limit of each particle size range, the mass of the sample under the sieve is weighed, and the mass is divided by 50g to obtain the breaking rate, namely the particle strength percentage. The method is only suitable for measuring the strength of the continuous casting covering slag during the crushing caused by pressure in the transportation and storage, and the influence of multiple factors such as pressure, flow, blowing time and the like on the crushing rate of the covering slag is not considered, so the method has certain limitation, and the measurement accuracy is difficult to meet the production requirements of real enterprises.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a hollow granule continuous casting covering slag intensity testing arrangement, can really reduce the covering slag jetting of continuous casting in-process and add the sediment process, can accurate measurement hollow granule continuous casting covering slag intensity under the jetting condition.
In order to solve the technical problems, the invention adopts the following technical scheme:
a strength testing device for hollow particle continuous casting covering slag comprises a blowing tank, a feeding assembly and a screening assembly, wherein the feeding assembly comprises a feeding bin, a feeding pipe and an air blower, one end of the feeding pipe is positioned in the blowing tank, the other end of the feeding pipe is communicated with an air outlet of the air blower through a pipeline, a discharge hole of the feeding bin is communicated with the feeding pipe, and the pipeline is also provided with a flowmeter and a pressure gauge;
the screening component comprises a first vibrating screen, a second vibrating screen and a material guide plate which are horizontally arranged right below the blowing tank, the first vibrating screen, the second vibrating screen and the material guide plate are sequentially arranged from top to bottom at intervals, the mesh number of the first vibrating screen is 32 meshes, and the mesh number of the second vibrating screen is 80 meshes.
As optimization, the screening subassembly is still including setting up the screening jar under the jetting jar, the top of screening jar be equipped with the entry and with the discharge gate intercommunication of jetting jar bottom, first shale shaker, second shale shaker and stock guide all set up in the screening jar, and its border all pastes with the screening jar inner wall, all is connected through the stand between first shale shaker and second shale shaker, second shale shaker and the stock guide screening jar bottom still is equipped with vibrating motor, vibrating motor's vibration output end links to each other with a bottom plate, the stock guide is fixed to be set up at the bottom plate upper surface.
As optimization, a first discharge port, a second discharge port and a third discharge port are respectively formed in the positions, corresponding to the first vibrating screen, the second vibrating screen and the material guide plate, of the screening tank, and switch gates are arranged on the first discharge port, the second discharge port and the third discharge port.
Preferably, the whole material guide plate is in a regular cone shape, and the included angle between the conical surface and the horizontal plane is 15-30 degrees.
As optimization, the vibration output end of the vibration motor is connected with the bottom plate through a spring, the spring is vertically arranged, the lower end of the spring is connected with the vibration output end, the upper end of the spring is connected with the bottom of the bottom plate, and the springs are at least four and are distributed in a rectangular shape.
Preferably, the feeding pipe is of an L-shaped structure and comprises a horizontal section and a vertical section, one end of the vertical section extends into the injection tank, the other end of the vertical section is connected with one end of the horizontal section, the other end of the horizontal section is connected with the pipeline, an inlet is formed in the horizontal section, and a discharge hole of the feeding bin is connected with the inlet.
And optimally, a first switch valve and a second switch valve are respectively arranged at the discharge hole of the feeding bin and the discharge hole of the injection tank.
The invention also provides a method for testing the strength of the hollow particle continuous casting covering slag, and the device for testing the strength of the hollow particle continuous casting covering slag comprises the following steps:
a. preparing materials: weighing a plurality of hollow particle continuous casting covering slag with the particle size of 0.2-0.8 mm, and counting the number as m;
b. blowing and spraying collision: b, adding the hollow particle continuous casting covering slag weighed in the step a into a feeding bin, starting an air blower, adjusting the pressure to 0.2-0.6 MPa, blowing the materials, opening a first switch valve, blowing the materials into a blowing tank, and allowing the materials to collide with each other;
c. screening and weighing: b, after the blowing time in the step b is 2-5min, closing the air blower, opening the second switch valve, enabling the hollow particle continuous casting mold fluxes which collide with each other in the blowing tank to sequentially fall onto the first vibrating screen and the second vibrating screen for secondary screening, taking out the materials after the screening is finished, weighing corresponding mass by using a weighing device, and recording the mass of the small particle mold fluxes taken out from the material guide plate as m1The mass of the medium particle covering slag taken out of the second vibrating screen is m2The mass of the large-particle covering slag taken out of the first vibrating screen is m3；
d. And (3) calculating the intensity: the weighed quality of each group of the covering slag is counted, and the crushing rate p is calculated by a formula (lambda)1m1+λ2m2+λ3m3) M.times.100%, i.e. the percentage strength, where.lambda.1、λ2、λ3The breaking coefficient.
As an optimization, the λ1The calculation process of (2) is as follows: in step c, from m1g, weighing wg in the small-particle covering slag, and placing the small-particle covering slag according to the step bEntering a blowing tank for blowing and spraying collision, after blowing and spraying are finished, screening the material by a third vibrating screen of 150 meshes, taking the undersize material, and counting as w1g, then
Said lambda2The calculation process of (2) is as follows: in step c, from m2Weighing wg in the medium-particle protective slag, putting the medium-particle protective slag into a blowing tank according to the step b for blowing collision, screening the medium-particle protective slag through a second vibrating screen of 80 meshes after blowing collision is finished, and taking undersize materials which are counted as w2g, then
Said lambda3The calculation process of (2) is as follows: in step c, from m3Weighing wg in the large-particle protective slag of g, placing the large-particle protective slag into a blowing tank according to the step b for blowing collision, screening the large-particle protective slag through a 32-mesh first vibrating screen after blowing collision is finished, taking undersize, and counting as w3g, then
Compared with the prior art, the invention has the following beneficial effects: in the use, adjust pressure and flow, send into the pipeline with suitable air through the air-blower to in will adding the blowing jar with hollow granule covering slag in the feed bin, be used for simulating the reinforced and jetting process of the real covering slag of reduction, make the covering slag granule collide the breakage under the effect of external force, then under the effect of screening subassembly, sieve the grading to continuous casting covering slag, and weigh its quality respectively, can calculate continuous casting covering slag percentage of damage, intensity percentage promptly through the formula. The invention has simple structure and simple and convenient operation, can truly reduce the continuous casting covering slag blowing and slag adding process, and can accurately measure the fluidization strength of the hollow particle continuous casting covering slag under the blowing condition.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: a strength testing device for hollow particle continuous casting covering slag comprises a blowing tank 8, a feeding assembly and a screening assembly, wherein the feeding assembly comprises a feeding bin 6, a feeding pipe 5 and an air blower 1, one end of the feeding pipe is positioned in the blowing tank, the other end of the feeding pipe is communicated with an air outlet of the air blower through a pipeline, a discharge hole of the feeding bin is communicated with the feeding pipe, and a flow meter 4 and a pressure gauge 2 are further arranged on the pipeline;
the screening assembly comprises a first vibrating screen 10, a second vibrating screen 12 and a material guide plate which are horizontally arranged right below the blowing tank, the first vibrating screen 10, the second vibrating screen 12 and the material guide plate are sequentially arranged from top to bottom at intervals, the mesh number of the first vibrating screen is 32 meshes, and the mesh number of the second vibrating screen is 80 meshes.
Therefore, in the using process, the pressure and the flow are adjusted, the proper air is sent into the pipeline through the air blower, the hollow particle casting powder in the feeding bin is blown into the blowing tank for simulating and reducing the real casting powder feeding and blowing process, so that the casting powder particles are collided and crushed under the action of external force, then the continuous casting powder is screened and classified under the action of the screening component, the mass of the continuous casting powder is respectively weighed, and the breaking rate, namely the strength percentage, of the continuous casting powder can be calculated through a formula. The invention has simple structure and simple and convenient operation, can truly reduce the continuous casting covering slag blowing and slag adding process, and can accurately measure the fluidization strength of the hollow particle continuous casting covering slag under the blowing condition. The first vibrating screen has a mesh size of 32 mesh for distinguishing 0.3mm sized particles, and the second vibrating screen has a mesh size of 80 mesh for distinguishing 0.2mm sized particles.
During implementation, the screening subassembly is still including setting up the screening jar under the jetting jar, the top of screening jar be equipped with the entry and with the discharge gate intercommunication of jetting jar bottom, first shale shaker 10, second shale shaker 12 and stock guide all set up in the screening jar, and its border all pastes with the screening jar inner wall, all is connected through the stand between first shale shaker and second shale shaker, second shale shaker and the stock guide the screening jar bottom still is equipped with vibrating motor 14, vibrating motor's vibration output end links to each other with a bottom plate, the stock guide is fixed to be set up at the bottom plate upper surface.
Therefore, through setting up the screening jar, can install first shale shaker 10, second shale shaker 12 and stock guide in the screening jar, through set up vibrating motor 14 in the bottom, drive first shale shaker, the vibration of second shale shaker to be convenient for the screening of first shale shaker and second shale shaker and hierarchical, first shale shaker, second shale shaker and stock guide border and screening jar inner wall paste, so as to prevent that the material from leaking down from the border, cause the granule of different sizes to mix.
During implementation, a first discharge port 15, a second discharge port 16 and a third discharge port 17 are respectively formed in the positions, corresponding to the first vibrating screen, the second vibrating screen and the material guide plate, of the screening tank, and switch gates are arranged on the first discharge port, the second discharge port and the third discharge port.
Therefore, through setting up first discharge gate, second discharge gate and third discharge gate, be convenient for sieve the completion back, take out each corresponding particulate matter, also can directly take out the screening jar with first shale shaker, second shale shaker and stock guide in order to collect each corresponding particulate matter.
When the material guide plate is implemented, the whole material guide plate is in a regular cone shape, and the included angle between the conical surface and the horizontal plane is 15-30 degrees.
Therefore, the material particle blanking is convenient, and the final small particle material is convenient to collect.
During implementation, the vibration output end of the vibration motor 14 is connected with the bottom plate through the springs 13, the springs are vertically arranged, the lower ends of the springs are connected with the vibration output end, the upper ends of the springs are connected with the bottom of the bottom plate, and the springs are at least four and are distributed in a rectangular shape.
During implementation, the feeding pipe 5 is of an L-shaped structure and is composed of a horizontal section and a vertical section, one end of the vertical section extends into the injection tank, the other end of the vertical section is connected with one end of the horizontal section, the other end of the horizontal section is connected with the pipeline, an inlet is formed in the horizontal section, and a discharge hole of the feeding bin is connected with the inlet.
Therefore, when the air blower blows air, the material falling from the feeding bin is blown into the blowing tank, and the existing blowing and slag adding process is simulated.
When in implementation, a discharge hole of the feeding bin and a discharge hole of the injection tank are respectively provided with a first switch valve 7 and a second switch valve 9.
In practice, the body of the blowing tank is made of a material having corrosion resistance, pressure resistance and wear resistance, such as steel.
In practice, a filter 3 may be provided on the pipe for filtering impurities if air is blown by the blower, or no filter may be provided if nitrogen is blown. When the vibrating screen is implemented, the first vibrating screen is provided with an upper layer and a lower layer, the bouncing beads 11 are arranged between the two layers of the first vibrating screens, the second vibrating screen is provided with an upper layer and a lower layer, the bouncing beads are arranged between the two layers of the second vibrating screens, and materials adhered to the screen mesh are impacted through the bouncing beads in vibrating so as to increase the transmittance of the materials and avoid the materials from blocking the screen mesh.
The invention also provides a method for testing the strength of the hollow particle continuous casting covering slag, and the device for testing the strength of the hollow particle continuous casting covering slag comprises the following steps:
a. preparing materials: weighing a plurality of hollow particle continuous casting covering slag with the particle size of 0.2-0.8 mm, wherein the number of the hollow particle continuous casting covering slag is m;
b. blowing and spraying collision: b, adding the hollow particle continuous casting covering slag weighed in the step a into a feeding bin, starting an air blower, adjusting the pressure to 0.2-0.6 MPa, blowing the materials, opening a first switch valve, blowing the materials into the blowing tank 8, and allowing the materials to collide with each other;
c. screening and weighing: b, after the blowing time in the step b is 2-5min, closing the air blower, opening the second switch valve, enabling the hollow particle continuous casting mold fluxes which collide with each other in the blowing tank to sequentially fall onto the first vibrating screen and the second vibrating screen for secondary screening, taking out the materials after the screening is finished, weighing corresponding mass by using a weighing device, and recording the mass of the small particle mold fluxes taken out from the material guide plate as m1The mass of the medium particle covering slag taken out of the second vibrating screen is m2From the first vibrating screenThe mass of the large-particle covering slag taken out from the upper part is m3；
d. And (3) calculating the intensity: the weighed quality of each group of the covering slag is counted, and the crushing rate p is calculated by a formula (lambda)1m1+λ2m2+λ3m3) M.times.100%, i.e. the percentage strength, where.lambda.1、λ2、λ3The breaking coefficient.
In practice, said λ1The calculation process of (2) is as follows: in step c, from m1Weighing wg in the small-particle protective slag, putting the small-particle protective slag into a blowing tank according to the step b for blowing collision, screening the small-particle protective slag through a 150-mesh third vibrating screen after blowing collision is finished, and taking undersize materials which are counted as w1g, then
Said lambda2The calculation process of (2) is as follows: in step c, from m2Weighing wg in the medium-particle protective slag, putting the medium-particle protective slag into a blowing tank according to the step b for blowing collision, screening the medium-particle protective slag through a second vibrating screen of 80 meshes after blowing collision is finished, and taking undersize materials which are counted as w2g, then
Said lambda3The calculation process of (2) is as follows: in step c, from m3Weighing wg in the large-particle protective slag of g, placing the large-particle protective slag into a blowing tank according to the step b for blowing collision, screening the large-particle protective slag through a 32-mesh first vibrating screen after blowing collision is finished, taking undersize, and counting as w3g, then
In implementation, 2000g of hollow particle continuous casting covering slag is taken for testing, and m is obtained after blowing, spraying, colliding, screening and weighing1＝60g，m2＝1800g，m3When the crushing coefficient is calculated as 140g, taking w as 50g, and obtaining w after blowing, spraying, colliding, screening and weighing again1＝10g，w2＝7.5g，w315g, so that the crushing coefficient of the test can be obtained: lambda [ alpha ]1Is 0.2, lambda2Is 0.15, lambda3Is 0.3. Thereby obtaining the breaking rate p ═ lambda of the hollow particle continuous casting covering slag1m1+λ2m2+λ3m3)/m×100％＝16.2％。
Although embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents, and thus the embodiments of the present invention are intended only as an illustrative example of the invention and should not be construed as limiting the invention in any way.
Claims (9)
1. The utility model provides a hollow granule continuous casting covering slag strength test device which characterized in that: the device comprises a blowing tank, a feeding assembly and a screening assembly, wherein the feeding assembly comprises a feeding bin, a feeding pipe and an air blower, one end of the feeding pipe is positioned in the blowing tank, the other end of the feeding pipe is communicated with an air outlet of the air blower through a pipeline, a discharge hole of the feeding bin is communicated with the feeding pipe, and the pipeline is also provided with a flowmeter and a pressure gauge;
the screening component comprises a first vibrating screen, a second vibrating screen and a material guide plate which are horizontally arranged right below the blowing tank, the first vibrating screen, the second vibrating screen and the material guide plate are sequentially arranged from top to bottom at intervals, the mesh number of the first vibrating screen is 32 meshes, and the mesh number of the second vibrating screen is 80 meshes.
2. The apparatus for testing strength of the hollow particle continuous casting mold flux according to claim 1, wherein: screening subassembly is still including setting up the screening jar under the jetting jar, the top of screening jar be equipped with the entry and with the discharge gate intercommunication of jetting tank bottoms portion, first shale shaker, second shale shaker and stock guide all set up in the screening jar, and its border all pastes with the screening jar inner wall, all is connected through the stand between first shale shaker and second shale shaker, second shale shaker and the stock guide screening jar bottom still is equipped with vibrating motor, vibrating motor's vibration output end links to each other with a bottom plate, the stock guide is fixed to be set up at the bottom plate upper surface.
3. The apparatus for testing strength of the hollow particle continuous casting mold flux according to claim 2, wherein: and the screening tank is provided with a first discharge port, a second discharge port and a third discharge port at positions corresponding to the first vibrating screen, the second vibrating screen and the material guide plate respectively, and the first discharge port, the second discharge port and the third discharge port are all provided with switch gates.
4. The apparatus for testing strength of the hollow particle continuous casting mold flux according to claim 2, wherein: the whole material guide plate is in a regular cone shape, and the included angle between the conical surface and the horizontal plane is 15-30 degrees.
5. The apparatus for testing strength of the hollow particle continuous casting mold flux according to claim 2, wherein: the vibration output end of the vibration motor is connected with the bottom plate through springs, the springs are vertically arranged, the lower ends of the springs are connected with the vibration output end, the upper ends of the springs are connected with the bottom of the bottom plate, and the springs are at least four and are distributed in a rectangular shape.
6. The apparatus for testing strength of the hollow particle continuous casting mold flux according to claim 1, wherein: the feed pipe is L-shaped structure, and comprises horizontal segment and vertical section, vertical section one end stretches into in the jetting jar, and the other end is connected with horizontal segment one end, the horizontal segment other end is connected with the pipeline set up the entry on the horizontal segment, add the discharge gate in feed bin with the entry links to each other.
7. The apparatus for testing strength of the hollow particle continuous casting mold flux according to claim 2, wherein: and a first switch valve and a second switch valve are respectively arranged at the discharge hole of the feeding bin and the discharge hole of the injection tank.
8. A method for testing strength of hollow particle continuous casting mold flux based on the hollow particle continuous casting mold flux strength testing device according to any one of claims 1 to 7, characterized by comprising the steps of:
a. preparing materials: weighing a plurality of hollow particle continuous casting covering slag with the particle size of 0.2-0.8 mm, and counting the number as mg;
b. blowing and spraying collision: b, adding the hollow particle continuous casting covering slag weighed in the step a into a feeding bin, starting an air blower, adjusting the pressure to 0.2-0.6 MPa, blowing the materials, opening a first switch valve, blowing the materials into the blowing tank, and allowing the materials to collide with each other, wherein the blowing time is 2-5 min;
c. screening and weighing: after the step b is finished, the air blower is closed, the second switch valve is opened, so that the hollow particle continuous casting mold flux which collides with each other in the injection tank sequentially falls into the first vibrating screen and the second vibrating screen for secondary screening, the materials are taken out after the screening is finished, the corresponding mass is weighed by the weighing device, and the mass of the small particle mold flux which is taken out from the material guide plate is recorded as m1g, the mass of the medium particle covering slag taken out of the second vibrating screen is m2g, the mass of the large-particle covering slag taken out of the first vibrating screen is m3g；
d. And (3) calculating the intensity: the weighed quality of each group of the covering slag is counted, and the crushing rate p is calculated by a formula (lambda)1m1+λ2m2+λ3m3) M.times.100%, i.e. the percentage strength, where.lambda.1、λ2、λ3The breaking coefficient.
9. The method for testing the strength of the hollow particle continuous casting mold flux according to claim 8, wherein: said lambda1The calculation process of (2) is as follows: in step c, from m1g, weighing wg in the small-particle protective slag, putting the small-particle protective slag into a blowing tank according to the step b for blowing collision, and after blowing is finished, performing 150-mesh third vibrationSieving with sieve to obtain undersize product, and counting as w1g, then
Said lambda2The calculation process of (2) is as follows: in step c, from m2Weighing wg in the medium-particle protective slag, putting the medium-particle protective slag into a blowing tank according to the step b for blowing collision, screening the medium-particle protective slag through a second vibrating screen of 80 meshes after blowing collision is finished, and taking undersize materials which are counted as w2g, then
Said lambda3The calculation process of (2) is as follows: in step c, from m3Weighing wg in the large-particle protective slag of g, placing the large-particle protective slag into a blowing tank according to the step b for blowing collision, screening the large-particle protective slag through a 32-mesh first vibrating screen after blowing collision is finished, taking undersize, and counting as w3g, then
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011539400.1A CN112730214B (en) | 2020-12-23 | 2020-12-23 | Hollow particle continuous casting mold flux strength testing device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011539400.1A CN112730214B (en) | 2020-12-23 | 2020-12-23 | Hollow particle continuous casting mold flux strength testing device and testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112730214A true CN112730214A (en) | 2021-04-30 |
| CN112730214B CN112730214B (en) | 2023-10-20 |
Family
ID=75604575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011539400.1A Active CN112730214B (en) | 2020-12-23 | 2020-12-23 | Hollow particle continuous casting mold flux strength testing device and testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112730214B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399241A (en) * | 2021-06-25 | 2021-09-17 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Coal ash separating device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1752991A1 (en) * | 2004-04-21 | 2007-02-14 | Nuclear Fuel Industries, Ltd. | Apparatus for manufacturing coated fuel particle for high temperature gas-cooled reactor |
| CN104749073A (en) * | 2015-04-02 | 2015-07-01 | 东南大学 | Device and method for testing mechanical strength of particles |
| CN204656919U (en) * | 2015-02-16 | 2015-09-23 | 江阴斯诺防冻新材料技术研究所有限公司 | The double-deck linear vibrating screen of a kind of pellet |
| CN108314346A (en) * | 2018-01-26 | 2018-07-24 | 长安大学 | A kind of building castoff regeneration roadbed gathers materials and preparation method and method of evaluating performance |
| CN208275758U (en) * | 2018-01-24 | 2018-12-25 | 河南盛世联邦生物医药技术有限公司 | A kind of multistage screening plant of granule |
| CN208482516U (en) * | 2018-06-29 | 2019-02-12 | 内蒙古巨力新型建材有限公司 | A kind of cement crushing and screening conveying integrated machine |
| CN110432376A (en) * | 2019-09-02 | 2019-11-12 | 烟台双塔食品股份有限公司 | A kind of prilling process and its powder device that disappears for reconstituting albuminoid powder |
| CN210632432U (en) * | 2019-07-30 | 2020-05-29 | 青海省湟中县海宁合资化肥厂 | Double-deck shale shaker is used in chemical fertilizer processing |
| CN111483072A (en) * | 2020-03-16 | 2020-08-04 | 唐杰 | Extinction master batch for plastics and preparation method thereof |
| CN111545960A (en) * | 2020-05-30 | 2020-08-18 | 盘训旭 | Granule type solder flux recovery unit |
| CN211570440U (en) * | 2019-11-21 | 2020-09-25 | 广汉远航石油井控设备有限公司 | Harmless treatment device for drilling mud |
| CN211563228U (en) * | 2019-12-24 | 2020-09-25 | 青岛普兴生物科技有限公司 | Multistage screening's feed production is with smashing grinder |
| CN211965011U (en) * | 2019-12-23 | 2020-11-20 | 上海百澜食品有限公司 | Triangle coarse cereals bread production is with raw materials vibration screening plant |
| CN212143407U (en) * | 2020-04-24 | 2020-12-15 | 安徽成龙塑业科技有限公司 | Plastic granules edulcoration device |
-
2020
- 2020-12-23 CN CN202011539400.1A patent/CN112730214B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1752991A1 (en) * | 2004-04-21 | 2007-02-14 | Nuclear Fuel Industries, Ltd. | Apparatus for manufacturing coated fuel particle for high temperature gas-cooled reactor |
| CN204656919U (en) * | 2015-02-16 | 2015-09-23 | 江阴斯诺防冻新材料技术研究所有限公司 | The double-deck linear vibrating screen of a kind of pellet |
| CN104749073A (en) * | 2015-04-02 | 2015-07-01 | 东南大学 | Device and method for testing mechanical strength of particles |
| CN208275758U (en) * | 2018-01-24 | 2018-12-25 | 河南盛世联邦生物医药技术有限公司 | A kind of multistage screening plant of granule |
| CN108314346A (en) * | 2018-01-26 | 2018-07-24 | 长安大学 | A kind of building castoff regeneration roadbed gathers materials and preparation method and method of evaluating performance |
| CN208482516U (en) * | 2018-06-29 | 2019-02-12 | 内蒙古巨力新型建材有限公司 | A kind of cement crushing and screening conveying integrated machine |
| CN210632432U (en) * | 2019-07-30 | 2020-05-29 | 青海省湟中县海宁合资化肥厂 | Double-deck shale shaker is used in chemical fertilizer processing |
| CN110432376A (en) * | 2019-09-02 | 2019-11-12 | 烟台双塔食品股份有限公司 | A kind of prilling process and its powder device that disappears for reconstituting albuminoid powder |
| CN211570440U (en) * | 2019-11-21 | 2020-09-25 | 广汉远航石油井控设备有限公司 | Harmless treatment device for drilling mud |
| CN211965011U (en) * | 2019-12-23 | 2020-11-20 | 上海百澜食品有限公司 | Triangle coarse cereals bread production is with raw materials vibration screening plant |
| CN211563228U (en) * | 2019-12-24 | 2020-09-25 | 青岛普兴生物科技有限公司 | Multistage screening's feed production is with smashing grinder |
| CN111483072A (en) * | 2020-03-16 | 2020-08-04 | 唐杰 | Extinction master batch for plastics and preparation method thereof |
| CN212143407U (en) * | 2020-04-24 | 2020-12-15 | 安徽成龙塑业科技有限公司 | Plastic granules edulcoration device |
| CN111545960A (en) * | 2020-05-30 | 2020-08-18 | 盘训旭 | Granule type solder flux recovery unit |
Non-Patent Citations (5)
| Title |
|---|
| HUANG, XINBO: "An Online Technology for Measuring Icing Shape on Conductor Based on Vision and Force Sensors", 《IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT》, vol. 66, no. 12, pages 3180 - 3189 * |
| RAMON A.: "Grain size effects on rockfill constitutive behaviour", UNSATURATED SOILS: 《ADVANCES IN GEO-ENGINEERING》, pages 341 - 347 * |
| 张永琴: "地下开采对陡急斜坡地表移动变形的影响", 《内蒙古煤炭经济》, no. 22, pages 149 - 150 * |
| 杨光伟: "含石量对砂卵石土的颗粒破碎及强度与变形的影响研究", 《中国水利水电科学研究院学报(中英文)》, vol. 20, no. 3, pages 277 - 286 * |
| 邓弟平: "砂泥岩混合颗粒料压实特性及颗粒破碎试验研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》, no. 6, pages 1 - 124 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399241A (en) * | 2021-06-25 | 2021-09-17 | 华能伊敏煤电有限责任公司汇流河热电分公司 | Coal ash separating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112730214B (en) | 2023-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105699258B (en) | A kind of fine aggregate on-line measuring device and method | |
| CN112730214B (en) | Hollow particle continuous casting mold flux strength testing device and testing method | |
| WO2020147280A1 (en) | Concrete stirring apparatus for producing interlocking blocks | |
| CN107758367A (en) | A kind of firework bright bead produces automatic ration batcher | |
| CN207742058U (en) | A kind of Machine-made Sand on-line measuring device | |
| CN110302962A (en) | The screening system and method for sieving of active metal powder | |
| CN202063574U (en) | Coal ash dynamic metering device | |
| CN115805191A (en) | Multistage vibration screening machine is used in metal powder screening | |
| CN111921848A (en) | Screening method for ore detection | |
| CN204924407U (en) | Ship unloaders fill device of weighing on line | |
| CN111912750A (en) | Method and device for detecting granularity composition of sintering mixture | |
| CN204620430U (en) | One selects powder classifying integrated machine | |
| CN109556989A (en) | A kind of on-line automatic monitoring system for gathering materials | |
| CN105537116A (en) | Sand separating and removing device used for powdery material | |
| CN206425228U (en) | A kind of detection of rate containing powder sieve | |
| CN103969018A (en) | Multi-stage drop test machine | |
| CN215179383U (en) | Broken sieve monitoring and crushing granularity measuring device | |
| CN207810759U (en) | A kind of firework bright bead production automatic ration batcher | |
| CN208482823U (en) | A kind of stainless steel pellet deformity product selecting equipment | |
| CN206526939U (en) | A kind of carbon black finished product high magnetic knot screen | |
| CN207143306U (en) | A kind of sintering deposit falls screening plant | |
| CN205217364U (en) | A select separately sand removing device for pulverulent material | |
| CN209209072U (en) | A kind of vibrating screen calibrating amount subpackage apparatus | |
| CN204544688U (en) | A kind of inclined-plane roller hierarchy system | |
| CN214600301U (en) | Device for measuring raw fuel particle size composition under blast furnace groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |