CN114522570A - Refractory material uniformity batching device and method - Google Patents
Refractory material uniformity batching device and method Download PDFInfo
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- CN114522570A CN114522570A CN202210282575.1A CN202210282575A CN114522570A CN 114522570 A CN114522570 A CN 114522570A CN 202210282575 A CN202210282575 A CN 202210282575A CN 114522570 A CN114522570 A CN 114522570A
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Abstract
The invention discloses a refractory material uniformity batching device and method, and belongs to the technical field of refractory materials. The device includes: a) the supporting frame is provided with a supporting plate on the inner side; b) a feeding hopper, wherein the feeding hopper is provided with a weighing part; c) the stirring tank is internally provided with a stirring component and a material detection component; d) a first conveying unit; e) the second conveying unit is used for receiving the uniformly mixed refractory materials conveyed by the first conveying unit and conveying the refractory materials to the next procedure for subsequent processing; f) and the control unit is electrically connected with the weighing part, the stirring part, the material detection part, the first conveying unit and the second conveying unit and is used for collecting data in the weighing part, the stirring part and the material detection part and controlling the work of the feeding hopper and the stirring pool. The control unit is combined with the material detection part to realize rapid and uniform preparation and stirring of the refractory material, and the uniformity of the quality of the refractory product is improved.
Description
Technical Field
The invention belongs to the technical field of refractory materials, and particularly relates to a refractory material uniformity batching device and method.
Background
Refractory materials are widely used in the manufacture of refractory bricks, insulating panels, and the like. The refractory material is generally prepared and mixed by a plurality of aggregates or aggregates according to a certain proportion and then used, whether the refractory material is prepared uniformly or not has direct influence on the use quality of the refractory material, the more uniform the preparation is, the better the quality of the refractory product is, and otherwise, the quality of the refractory product is uneven. The preparation and the stirring of the existing refractory material mainly depend on the traditional stirrer for stirring, the subsequent processes are often manufactured after the stirring is simply finished, and the feedback of the stirring uniformity is lacked, so the stirring uniformity of the refractory material is difficult to unify. Therefore, there is a need to design a method and a device for uniformly blending refractory materials, so that different aggregates in the refractory materials can be automatically blended according to actual requirements and uniformly stirred, thereby improving the quality of refractory products.
The following are relevant patent documents by search:
patent document 1: patent publication is CN105347060A, the publication date is 2016 24 months 2, disclose a refractory material batching feed bin device, including the breaker, first band conveyer, the elevator bucket, the second band conveyer, the feed bin platform, third band conveyer, first reinforced bin, the second reinforced bin, the third reinforced bin, the fourth reinforced bin, the transition fill, mix the machine, mix reinforced bin, the compounding platform, compounding packing scale baling line and lifting machine, the output of breaker is equipped with first band conveyer, the output of first band conveyer is equipped with the elevator bucket, the output of elevator bucket is equipped with third band conveyer, the third band conveyer lower extreme is equipped with the feed bin platform, be equipped with two rows of batching storehouses on the feed bin platform in proper order.
Patent document 2: patent publication is CN111347563A, and the publication date is 2020 6 months 30 days, discloses an automatic blending system for refractory material production, including industrial controller, feeding device and compounding device, industrial controller and feeding device with the compounding device is connected, and feeding device is provided with a plurality of feed inlets, and every feed inlet all is provided with weighing device, and the weighing device top is provided with the storage tank with title material device intercommunication, and feeding device's charge door is provided with quick cut-off valve.
Patent document 3: the patent publication number is CN203781396U, the publication date is 2014, 8 months and 20 days, and a refractory material batching system is disclosed, which comprises a spiral batching system, an electric shock batching system and a movable metering trolley arranged below the batching system, wherein the spiral batching system comprises a storage bin and a spiral conveying device, a feed opening of the storage bin is connected with a feed opening of the spiral conveying device, and a pneumatic gate valve is arranged at the feed opening of the storage bin; the electric shock batching system comprises a storage bin and an electric shock conveying device, a feed opening of the storage bin is connected with a feed opening of the electric shock conveying device, and a pneumatic gate valve is arranged at the feed opening of the storage bin.
Patent document 4: patent publication No. CN215139540U, published as 2021, 12 months and 14 days, discloses an automatic batching device for refractory materials, which comprises a mounting rack, a storage bin, a discharge port, a switch valve, a conveying device, a batching box and a detector. During the use, confirm the batching box configuration through the conveyer conveying through the detector, when batching box reaches the scope of predetermineeing, send the information of collecting for the ooff valve, after the quantity that the material in the storage compartment falls one this moment, ooff valve self-closing, batching box continues to reach the discharge gate below position of next storage compartment through conveyer's drive, and all materials of depositing in the storage compartment can be collected to the batching box.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem that the mixing uniformity of the existing refractory material is not easy to control, the invention provides a refractory material uniformity batching device, which realizes the preparation uniformity and ensures the quality stability of the refractory material.
The invention provides a refractory material uniformity batching method based on the device.
2. Technical scheme
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the refractory material uniformity dosing unit of the present invention comprises:
a) the supporting frame is provided with a supporting plate on the inner side;
b) a feeding hopper mounted on the support frame, the feeding hopper being provided with a weighing component;
c) the stirring tank is arranged on the supporting plate and is positioned below the feeding hopper, and the stirring tank is provided with a stirring part and a material detection part;
d) the first conveying unit is arranged below the stirring pool;
e) the second conveying unit is arranged at the head or the tail of the first conveying unit and is used for receiving the uniformly mixed refractory materials conveyed by the first conveying unit and conveying the refractory materials to the next procedure for subsequent processing;
f) and the control unit is electrically connected with the weighing part, the stirring part, the material detection part, the first conveying unit and the second conveying unit and is used for collecting data in the weighing part, the stirring part and the material detection part and controlling the work of the feeding hopper and the stirring pool.
In an embodiment of the present invention, the material detecting component includes at least one industrial camera, and the industrial camera is disposed above the stirring tank and fixed to the supporting frame.
In one embodiment of the present invention, the industrial camera is externally provided with a housing, and the housing is in a positive pressure state.
In one embodiment of the present invention, the material detecting component includes at least one volume detecting module and a quality detecting module, and the volume detecting module is used for detecting the mixing volume of the refractory materials in the stirring tank.
In one embodiment of the present invention, the weighing unit includes a first electric valve for controlling the falling of the refractory material and an electronic scale for weighing the refractory material in a hopper, the hopper has a feeding port for pouring refractory materials of different compositions, and the first electric valve is used for controlling the opening and closing of the first discharging port.
In an embodiment of the present invention, the stirring component includes a servo motor, a second electric valve, and a stirring shaft, the servo motor is connected to the stirring shaft, and the second electric valve is used to control the opening and closing of the second blanking port.
In one embodiment of the present invention, the first conveying unit is a belt conveyor, a drag chain conveyor, a trolley conveyor or a bucket conveyor.
In one embodiment of the present invention, the second conveying unit is a screw conveyor, a bucket elevator or a trolley conveyor.
The invention also provides a batching method based on the device, which comprises the following steps:
s101, pouring different refractory materials to be mixed into a feeding hopper from a feeding port, weighing the weight of the different refractory materials in the feeding hopper and transmitting the weight to a control unit, wherein the control unit calculates the mass of the different refractory materials in a stirring period according to the proportion of the set refractory materials;
s102, controlling a first blanking port to be opened through a first electric valve of a weighing part, then, enabling refractory materials of different materials and different masses to fall into a stirring pool through different feeding hoppers, transmitting information to a control unit by an electronic scale of the weighing part when the required refractory material mass is achieved, and controlling the first blanking port to be closed through the first electric valve by the control unit to complete proportioning and falling of the refractory materials;
step S103, a servo motor of the stirring component drives a stirring shaft to rotate, so that the refractory materials are fully stirred, meanwhile, a material detection component detects the state of the refractory materials in the stirring pool in real time and feeds the state back to a control unit to be compared with a standard mixing state, when the comparison is close to or consistent with the standard mixing state, a second electric valve of the stirring component is controlled by the control unit to open a second blanking port, so that the uniformly mixed refractory materials fall to a first conveying unit, and the refractory materials are conveyed to the next procedure through a second conveying unit for subsequent processing.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the control unit is combined with the material detection part to realize rapid and uniform preparation and stirring of the refractory material, the influence of manual operation errors is avoided, automatic and accurate control can be carried out, the uniformity of preparation can be unified, and the uniformity of the quality of the refractory product can be improved;
(2) the device can realize the uniform preparation of the refractory material only by additionally arranging the related control unit and the material detection part, has simple structure and is easy to realize operation.
Drawings
FIG. 1 is a schematic view showing a refractory uniformity distribution apparatus according to example 1 of the present invention;
FIG. 2 is a bottom view of a hopper of a refractory uniformity batching device in accordance with example 1 of the present invention;
FIG. 3 is a schematic view of the top of a stirring tank of a refractory uniformity dosing apparatus according to example 1 of the present invention;
FIG. 4 is a schematic view of the bottom of a stirring tank of a refractory uniformity dosing apparatus according to example 1 of the present invention;
FIG. 5 is a schematic view of an industrial camera of a refractory uniformity dosing apparatus according to embodiment 1 of the present invention;
FIG. 6 is a flowchart illustrating the operation of the refractory uniformity dosing unit in accordance with example 2 of the present invention.
Description of reference numerals:
100. a support frame; 110. a support plate;
200. feeding into a hopper; 210. a weighing component; 211. a first electrically operated valve; 212. an electronic scale; 220. a first blanking port;
300. a stirring tank; 310. a stirring member; 311. a servo motor; 312. a second electrically operated valve; 313. a stirring shaft; 320. a material detection component; 321a, an industrial camera; 321b, a volume detection module; 321c, a quality detection module; 322. a housing; 330. a second blanking port;
400. a first conveying unit; 410. a belt conveyor;
500. a second conveying unit; 510. a screw conveyor;
600. a control unit.
Detailed Description
The following more detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to describe the features and characteristics of the invention, to set forth the best mode of carrying out the invention, and to sufficiently enable one skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.
Example 1
As shown in fig. 1 to 5, the refractory homogeneity batching device of the present embodiment includes:
a) the support frame 100 is made of alloy steel, the alloy steel can comprise corrosion-resistant materials such as stainless steel, 45# steel and the like, and a support plate 110 is arranged on the inner side of the support frame 100; the material of the supporting plate 110 is consistent with that of the supporting frame 100, and the supporting plate is fixed by welding, riveting and the like.
b) As can be seen from fig. 1, the upper end surface of the supporting frame 100 is hollowed, the lower end of the feeding hopper 200 can directly penetrate into the supporting frame 100, and the feeding hopper 200 is configured with a weighing component 210. In some embodiments of the present invention, the weighing unit 210 includes a first electric valve 210 installed for controlling the falling of the refractory material and an electronic scale 212 for weighing the refractory material in the hopper 200, a feeding port in the hopper 200 for pouring the refractory material of different compositions, the first electric valve 210 for controlling the opening and closing of the first dropping port 220, the first electric valve 210 may be a pneumatic electromagnetic gate valve or the like. In addition, in some embodiments of the present invention, the material inlet hopper 200 is configured with a vibration motor to accelerate the falling of the material.
c) A stirring tank 300 disposed on the supporting plate 110 and below the feeding hopper 200, the stirring tank 300 being configured with a stirring part 310 and a material detecting part 320,
in some embodiments of the present invention, it is preferable that the stirring component 310 includes a servo motor 311, a second electric valve 312 and a stirring shaft 313, the servo motor 311 is connected to the stirring shaft 313, and the second electric valve 312 is used for controlling the opening and closing of the second blanking port 330.
In addition, the stirring component 310 can also be driven by a pneumatic motor, and the corresponding stirring shaft 313 is replaced by a stirring paddle and is matched with a high-pressure air blowing component.
d) A first conveying unit 400 disposed below the agitating tank 300; the first conveying unit 400 is a belt conveyor 410, a drag chain conveyor, a trolley conveyor, or a bucket conveyor. Preferably, the first conveying unit 400 is a belt conveyor 410, and the material falling from the stirring tank 300 is directly received by the belt conveyor and then conveyed.
e) The second conveying unit 500 is arranged at the head or the tail of the first conveying unit 400 and is used for receiving the uniformly mixed refractory materials conveyed by the first conveying unit 400 and conveying the refractory materials to the next procedure for subsequent processing; the second conveying unit 500 is a screw conveyor 510, a bucket elevator, or a trolley conveyor. Preferably, the second conveying unit 500 is a screw conveyor 510, and the screw conveyor 510 is relatively sealed, so that the possibility of dust emission can be reduced.
f) And a control unit 600(PC control terminal, such as a desktop computer) electrically connected to the weighing unit 210, the stirring unit 310, the material detecting unit 320, the first conveying unit 400 and the second conveying unit 500, for collecting data in the weighing unit 210, the stirring unit 310 and the material detecting unit 320, and controlling the operations of the hopper 200 and the stirring tank 300.
In some embodiments of the present invention, as shown in fig. 5, the material detecting component 320 includes at least one industrial camera 321a (e.g., a CCD vision camera), and the industrial camera 321a is disposed above the stirring pool 300 and fixed to the supporting frame 100. In the practical use process, the industrial camera 321a is basically in an environment with large dust, especially dust is prone to being attached to the lens of the camera, and normal work of the camera is affected, so the external housing 322 of the industrial camera 321a is provided, the interior of the housing 322 is in a positive pressure state, on one hand, dust is reduced from entering the housing 322, on the other hand, positive pressure is generally achieved by adopting high-pressure gas, the high-pressure gas can blow the lens of the camera, cleanness of the lens is guaranteed as much as possible, and the definition of shot pictures is facilitated. In addition, the industrial camera 321a is fitted with a light source, and can provide light in a relatively dark environment.
The industrial camera 321a shoots the mixed refractory material, and the control unit 600 may store a corresponding software program (a PC control end, such as a desktop computer, which compiles the uniformity coefficient and the area ratio coefficient algorithm into a system language based on MATLAB software, and combines a digital image processing technology and a four-side static moment theory to establish a refractory material mixing uniformity analysis model and develop a refractory material mixing uniformity evaluation system); description of a specific working analysis process:
(1) by applying a digital image processing technology, analyzing and processing the mixed refractory material image after mixing, such as image restoration, gray level conversion, histogram equalization, binary conversion, morphology and the like, and identifying and classifying the aggregate of the image, so that the distribution condition of aggregate particles of each grade can be better reflected by the processed and analyzed image;
(2) the area of aggregate particles in the image and the distances from the aggregate particles to four sides are analyzed and calculated to obtain a uniformity coefficient and an area ratio coefficient which can reflect the distribution condition of the aggregate; the interval ranges of the uniformity coefficient and the area ratio coefficient when the distribution of the particles in the image is uniform are obtained through analyzing the uniformity coefficient and the area ratio coefficient of the image;
(3) the interval ranges of the obtained uniformity coefficient and the obtained aggregate area ratio coefficient are verified.
Example 2
The basic structure of this embodiment is the same as that of embodiment 1, except that, as shown in fig. 6, the material detecting component 320 includes at least one volume detecting module 321b and a quality detecting module 321c, and the volume detecting module 321b is used for detecting the mixing volume of the refractory materials in the stirring tank 300; the quality detection module 321c is used for detecting the mixing quality of the refractory materials in the stirring tank 300.
The specific process comprises the following steps: the volume detection module 321b detects the volume of the mixture output by the stirring tank 300, and transmits the volume value and the quality value of the mixture to the control unit 600(PC control end), and the control unit 600(PC control end) divides the volume value of the mixture by the volume of the mixture to obtain a quotient as the density of the mixture, so that the quotient is compared with a standard mixing density value, and the degree of stirring is preliminarily determined.
Example 3
The batching method based on the device in the embodiment 1 or the embodiment 2 comprises the following steps:
s101, pouring different refractory materials to be mixed into a feeding hopper 200 from a feeding port, weighing the weight of the different refractory materials in the feeding hopper 200 and transmitting the weight to a control unit 600, wherein the control unit 600 calculates the mass of the different refractory materials in a stirring period according to the proportion of the set refractory materials;
step S102, the first blanking port 220 is controlled to be opened through the first electric valve 210 of the weighing part 210, then the refractory materials with different materials and masses fall into the stirring tank 300 through different feeding hoppers 200, when the required refractory material mass is achieved, the electronic scale 212 of the weighing part 210 transmits information to the control unit 600, and the control unit 600 controls the first blanking port 220 to be closed through the first electric valve 210 to complete proportioning and falling of the refractory materials;
step S103, the servo motor 311 of the stirring component 310 drives the stirring shaft 313 to rotate, so that the refractory material is fully stirred, meanwhile, the material detection component 320 detects the state of the refractory material in the stirring tank 300 in real time and feeds the state back to the control unit 600 to compare with the standard mixing state, when the comparison is close to or consistent with the standard mixing state, the control unit 600 controls the second electric valve 312 of the stirring component 310 to open the second blanking port 330, so that the uniformly mixed refractory material falls to the first conveying unit 400, and the refractory material is conveyed to the next process through the second conveying unit 500 for subsequent processing.
The refractory material of the ladle nozzle brick is taken as an example for explanation.
The aggregate of the ladle nozzle brick comprises the following raw materials: 30-40 wt% of waste heavy mullite brick regenerated particles, 20-30 wt% of bauxite particles and 1-10 wt% of raw quartz sand particles; the raw materials of the co-milled powder comprise: 2E &18 wt% of waste heavy mullite brick regenerated fine powder, 10-20 wt% of fused corundum fine powder and alpha-Al2O31-10 wt% of micro powder, 0.5-3.0 wt% of silicon micro powder and 3-8 wt% of pure calcium aluminate cement; the sum of the weight percentages of the raw materials is 100 percent.
The raw materials are respectively poured into a feeding hopper 200, the weight of each raw material is weighed according to the proportion, then the raw materials are stirred and compared with a standard mixing state, and when the comparison is close to consistency or consistent, the raw materials are conveyed to the subsequent procedures for treatment.
Claims (9)
1. A refractory homogeneity dosing unit, comprising:
a) a support frame (100) in which a support plate (110) is provided inside the support frame (100);
b) a feeding hopper (200) mounted on the support frame (100), the feeding hopper (200) being provided with a weighing member (210);
c) the stirring tank (300) is arranged on the supporting plate (110) and is positioned below the feeding hopper (200), and the stirring tank (300) is provided with a stirring part (310) and a material detection part (320);
d) a first conveying unit (400) disposed below the agitation tank (300);
e) the second conveying unit (500) is arranged at the head or the tail of the first conveying unit (400) and is used for receiving the uniformly mixed refractory materials conveyed by the first conveying unit (400) and conveying the refractory materials to the next procedure for subsequent processing;
f) and the control unit (600) is electrically connected with the weighing part (210), the stirring part (310), the material detection part (320), the first conveying unit (400) and the second conveying unit (500) and is used for collecting data in the weighing part (210), the stirring part (310) and the material detection part (320) and controlling the work of the feeding hopper (200) and the stirring pool (300).
2. The refractory homogeneity batching device according to claim 1, wherein the material detection means (320) comprise at least one industrial camera (321A), said industrial camera (321A) being placed above the stirring tank (300) and fixed to the support frame (100).
3. The refractory uniformity dosing apparatus of claim 2, wherein the industrial camera (321a) is externally disposed with a housing (322), and wherein a positive pressure state is present within the housing (322).
4. The refractory homogeneity batching device according to claim 1, wherein the material detection means (320) comprises at least a volume detection module (321b) and a quality detection module (321c), the volume detection module (321b) being adapted to detect the mixing volume of the refractory in the stirring tank (300).
5. The refractory uniformity dosing unit according to claim 1, wherein the weighing unit (210) comprises a first electric valve (211) for controlling the refractory falling and an electronic scale (212) for weighing the refractory in the hopper (200), the inlet of the hopper (200) is used for pouring refractory of different compositions, and the first electric valve (211) is used for controlling the opening and closing of the first blanking port (220).
6. The refractory homogeneity batching device according to claim 1, characterized in that said stirring means (310) comprises a servo motor (311), a second electric valve (312) and a stirring shaft (313), said servo motor (311) being connected to the stirring shaft (313), said second electric valve (312) being adapted to control the opening and closing of the second drop opening (330).
7. The refractory homogeneity batching device according to any one of claims 1 to 6, wherein the first conveying unit (400) is a belt conveyor (410), a drag chain conveyor, a trolley conveyor or a bucket conveyor.
8. The refractory homogeneity batching device of claim 7, wherein said second conveying unit (500) is a screw conveyor (510), a bucket elevator or a trolley conveyor.
9. A dosing method based on the device of any one of claims 1 to 8, characterized by comprising the following steps:
s101, pouring different refractory materials to be mixed into a feeding hopper (200) from a feeding port, weighing the weight of the different refractory materials in the feeding hopper (200) and transmitting the weight to a control unit (600), wherein the control unit (600) calculates the mass of the different refractory materials in a stirring period according to the proportion of the set refractory materials;
step S102, a first blanking port (220) is controlled to be opened through a first electric valve (211) of a weighing part (210), then refractory materials with different materials and masses fall into a stirring pool (300) through different feeding hoppers (200), when the required refractory material mass is achieved, an electronic scale (212) of the weighing part (210) transmits information to a control unit (600), and the control unit (600) controls the first blanking port (220) to be closed through the first electric valve (211) to complete proportioning and falling of the refractory materials;
step S103, a servo motor (311) of the stirring component (310) drives a stirring shaft (313) to rotate, so that the refractory materials are fully stirred, meanwhile, a material detection component (320) detects the state of the refractory materials in the stirring pool (300) in real time and feeds the state back to a control unit (600) to be compared with a standard mixing state, when the comparison is close to or consistent with the standard mixing state, a second blanking port (330) is opened by a second electric valve (312) of the stirring component (310) controlled by the control unit (600), so that the uniformly mixed refractory materials fall to a first conveying unit (400), and the uniformly mixed refractory materials are conveyed to the next procedure through a second conveying unit (500) to be subjected to subsequent processing.
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| CN105347060A (en) * | 2015-11-25 | 2016-02-24 | 无锡山川环保机械有限公司 | Stock bin device for refractory material blending |
| CN207189982U (en) * | 2017-07-21 | 2018-04-06 | 盐城建达新型建材有限公司 | A kind of automatic recipe maker of concrete mixing plant |
| CN211418549U (en) * | 2019-11-05 | 2020-09-04 | 郑州建兴高科炉材有限公司 | Batching system is used in refractory material production |
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2022
- 2022-03-22 CN CN202210282575.1A patent/CN114522570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103279433A (en) * | 2013-05-02 | 2013-09-04 | 昆明理工大学 | Method and device for representing particle aggregation bodies |
| CN105347060A (en) * | 2015-11-25 | 2016-02-24 | 无锡山川环保机械有限公司 | Stock bin device for refractory material blending |
| CN207189982U (en) * | 2017-07-21 | 2018-04-06 | 盐城建达新型建材有限公司 | A kind of automatic recipe maker of concrete mixing plant |
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