CN216472946U - Wet material feeding system for gypsum calcining line - Google Patents
Wet material feeding system for gypsum calcining line Download PDFInfo
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- CN216472946U CN216472946U CN202123203831.3U CN202123203831U CN216472946U CN 216472946 U CN216472946 U CN 216472946U CN 202123203831 U CN202123203831 U CN 202123203831U CN 216472946 U CN216472946 U CN 216472946U
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Abstract
The utility model belongs to the technical field of the building gypsum, especially, a wet material feeding system for gypsum calcining line is disclosed. According to the wet material feeding system, through improvement of the existing feeding system, on one hand, a vibrating screen is erected at the feeding belt conveyor below the feeding device, in the process of screening out impurities, agglomerated gypsum wet materials are not only primarily scattered, and can be prevented from being splashed outwards to cause loss to a certain extent when falling onto the feeding belt conveyor after scattering, and the vibrating screen frame is provided with a certain height, so that the gypsum wet materials on the feeding belt conveyor can be prevented from being stacked too high; on the other hand sets up twice scraper blades of unloading through the terminal at material loading belt feeder, carries out thickness twice to the wet material of gypsum that the transmission came and scrapes the material, has prevented because of self water content is higher and because of breaking up the device and exerting pressure and the wet material of gypsum that bonds on material loading belt feeder can't get into the problem of next workshop section, has avoided pollution and waste.
Description
Technical Field
The utility model belongs to the technical field of the building gypsum, especially, relate to a wet material feeding system for gypsum calcination line.
Background
Desulfurized gypsum with CaSO4·2H2O exists in the form of 2 crystal waters in the molecular formula. Calcining of landplaster refers to heating to bring CaSO4·2H2Removing 1.5 crystal water from O to generate CaSO4·0.5H2And (4) O.
The process of feeding the landplaster material is also an important part in the production line of calcining gypsum. The desulfurized gypsum has impurities such as stones and plastic products or metal substances such as iron products, which seriously affects the purity and performance of the calcined gypsum and reduces the service life of calcining equipment. In addition, the water content of the raw material desulfurized gypsum is generally 8-15%, and the desulfurized gypsum can agglomerate and agglomerate in the feeding and conveying process, so that the feeding is uneven, local overburning or local under-burning is caused, and the problems of unstable setting time, plastic cracking and the like can occur when the plastering gypsum is prepared in subsequent production.
The feeding system of present gypsum calcining line can only clear up debris such as stone, ironwork to it is not good to break up the effect to the desulfurization gypsum of caking. However, the raw material desulfurized gypsum contains free water, so that the product is sticky and is very easy to stick to a feeding belt, and the product cannot be sufficiently transferred to the next working section; simultaneously, current feed system is breaking up the in-process to the desulfurization gypsum of caking, breaks up the device and also can exert certain pressure to the desulfurization gypsum on the material loading belt, has aggravated the gluing of desulfurization gypsum. Therefore, in the long-time circulation transportation of the feeding belt, the pollution and waste phenomena caused by the incomplete raw material conveying due to the reasons are serious.
SUMMERY OF THE UTILITY MODEL
For solving the problem that above-mentioned prior art exists, the utility model provides a wet material feeding system for gypsum calcining line, this wet material feeding system not only has promoted desulfurization gypsum's the effect of breaing up through improving current feeding system, avoids spattering extravagantly outward, still avoids the wet material of gypsum to glue on the material loading belt and unable fully transport to next workshop section simultaneously.
In order to achieve the above object, the present invention adopts the following technical solutions:
the utility model provides a wet material feeding system for gypsum calcines line for wet material of gypsum is calcined the drying system conveying gypsum of line to the gypsum, this wet material feeding system includes feeder, material loading belt feeder, shale shaker, breaks up device, electromagnetism deironing device and feed opening separator.
Specifically, the feeding device is arranged above the starting end of the feeding belt conveyor; the vibrating screen is erected on two sides of the starting end of the feeding belt conveyor and is opposite to the discharging end of the feeding device; the scattering device and the electromagnetic iron removal device are sequentially arranged on the feeding belt conveyor from the starting end to the terminal end of the feeding belt conveyor; the feed opening separating device is positioned below the terminal of the feeding belt conveyor and used for guiding the screened gypsum wet material to enter a drying system of the next working section for drying operation; the terminal of the feeding belt conveyor is provided with a first discharging scraper and a second discharging scraper from the beginning to the terminal.
Furthermore, the vertical distance between the first discharging scraper blade and the surface of the feeding belt conveyor is 2-20 mm, and the second discharging scraper blade is tightly attached to the surface of the feeding belt conveyor; the distance between the first discharging scraper and the second discharging scraper is generally controlled to be 15-35 cm.
Furthermore, the first discharging scraper and the second discharging scraper are arranged in parallel, and the included angle between the radial direction of the first discharging scraper and the radial direction of the second discharging scraper and the horizontal line where the feeding belt conveyor works is 0-30 degrees.
Furthermore, the vibrating screen is arranged on the ground by adopting a fixed support, and a vibrating spring is arranged at the joint of the vibrating screen and the fixed support.
Furthermore, the feeding device comprises a hopper and a belt scale connected to the bottom end of the hopper; wherein, the discharge end of the belt scale is opposite to the vibrating screen.
Furthermore, a vibration motor is arranged on the outer side wall of the hopper, and a material empty alarm device is arranged at the bottom of the inner side wall; and a weight sensor is arranged at the discharge end of the belt scale.
The vibrating motor is installed on the outer side wall of the hopper, and vibrates at a certain frequency in the feeding process, so that the gypsum wet material is uniformly dispersed, and the influence on the feeding speed due to factors such as material caking is reduced.
Further, the horizontal inclination angle of the feeding belt conveyor is 10-30 degrees.
The utility model provides a wet material feeding system, through the improvement to current feeding system, on the one hand set up the shale shaker in the feeding belt conveyor department below the feeder, when screening impurity such as plastics, stone, not only tentatively break up the gypsum wet material of caking, fall to the feeding belt conveyor after breaking up and also can prevent to a certain extent that the splash leads to the fact the loss, and the shale shaker frame is equipped with certain height, also can prevent the gypsum wet material on the feeding belt conveyor too high to pile up; on the other hand sets up twice scraper blades of unloading through the terminal at material loading belt feeder, carries out thickness twice to the wet material of gypsum that the transmission came and scrapes the material, has prevented because of self water content is higher and because of breaking up the device and exerting pressure and the wet material of gypsum that bonds on material loading belt feeder can't get into the problem of next workshop section, has avoided pollution and waste.
Drawings
The above and other aspects, features and advantages of embodiments of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a wet feed system for a gypsum calcining line according to an embodiment of the present invention;
fig. 2 is an enlarged view of a portion of the terminal end of the feeding belt machine of fig. 1.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to explain the principles of the invention and its practical application to thereby enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated. In the drawings, the shapes and sizes of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or similar elements.
It should be noted that, in the present application, the terms "upper", "lower", "bottom", "inner", "outer", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
The embodiment of the utility model provides a wet material feeding system for gypsum calcining line, it is as the first workshop section of gypsum calcining line for to the gypsum calcine the second workshop section-drying system conveying gypsum wet material of line.
As shown in fig. 1, the wet material feeding system includes a feeding device 1, a feeding belt machine 2, a vibrating screen 3, a scattering device 41, an electromagnetic iron removing device 42 and a feed opening separating device 43.
Specifically, the feeding belt 2 is circulated in the direction of the arrow shown in fig. 1, that is, the left end in the drawing is the starting end of the feeding belt 2, and the right end is the terminal end 2a of the feeding belt 2.
The feeding device 1 is arranged above the starting end of the feeding belt machine 2 and is used for feeding wet gypsum materials. The feeding device 1 specifically includes a hopper 11 and a belt scale 12 connected to the bottom end of the hopper 11.
Preferably, the outer side wall of the hopper 11 is provided with a vibration motor 111, which vibrates at a certain frequency during the feeding process to uniformly disperse the gypsum wet material and reduce the influence on the feeding rate due to material agglomeration and the like. The bottom of the inner side wall of the hopper 11 is provided with a material empty alarm device 112. And the discharge end of the belt scale 12 is provided with a weight sensor 121 for weighing the weight of the wet gypsum material in real time.
The vibrating screen 3 is erected on two sides of the starting end of the feeding belt machine 2 and is opposite to the discharge end of the feeding device 1, and specifically is opposite to the discharge end of the belt scale 12; the vibrating screen 3 is preferably placed on the ground by using a fixing bracket (not shown in the figure), and a vibrating spring 31 is arranged at the joint of the vibrating screen 3 and the fixing bracket to drive the vibrating screen 3 to vibrate.
Due to the arrangement of the vibrating screen 3, on one hand, the vibrating screen vibrates at a certain frequency to screen out impurities such as stones, plastic products and the like, so that the quality of materials is guaranteed; on the other hand, can tentatively break up the feeding of caking through the vibration mode, also can prevent to a certain extent when falling down to material loading belt feeder 2 after breaking up and spatter outward and cause the loss, and vibrating screen 3 erects certain height moreover, also can prevent that the wet material of gypsum on the material loading belt feeder 2 is too high to be piled up.
It is clear that the screen mesh of the vibrating screen 3 must not be too dense in order to guarantee the feeding efficiency.
The scattering device 41 and the electromagnetic iron removing device 42 are sequentially provided on the charging belt 2 in a direction from the start end to the end 2a of the charging belt 2. The scattering device 41 may be in the form of a grid, which scatters the agglomerated wet gypsum that is not completely scattered by the vibrating screen 3 and is transferred from the feeding belt 2 in the process of rotating in situ. The electromagnetic iron removing device 42 absorbs the iron impurities in the wet gypsum material secondarily scattered by the scattering device 41, so that the abrasion of high-hardness impurities to the calcining equipment is reduced. The person skilled in the art can set the number of the electromagnetic iron removing devices 42 according to actual conditions, such as the transmission speed of the feeding belt conveyor 2 and the content of iron impurities in the gypsum wet material.
The feed opening separating device 43 is located below the terminal 2a of the feeding belt conveyor 2 and is used for guiding the screened gypsum wet material to enter a drying system of the next working section for drying operation. Generally speaking, the drying system includes an air heating furnace 100 and a rotary dryer 200 which are oppositely arranged, and a feed opening separation device 43 is arranged between the air heating furnace 100 and the rotary dryer 200, so that the conveyed gypsum wet material enters the drying system through the feed opening separation device 43, and is blown into the rotary dryer 200 by the hot air generated by the air heating furnace 100 for drying.
For convenient feeding, the axis connecting the centers of the hot blast stove 100 and the rotary dryer 200 is vertical to the material conveying direction of the feeding belt conveyor 2.
Generally speaking, drying system is higher than the feeding system position, consequently can be according to actual demand, and the horizontal inclination who sets up material loading belt feeder 2 is 10 ~ 30.
As further shown in fig. 2, the terminal end 2a of the feeding belt conveyor 2 is provided with a first discharging scraper 21 and a second discharging scraper 22 in the direction from the beginning to the terminal end. In order to ensure good scraping effect, the vertical distance between the first discharging scraper 21 and the surface of the feeding belt machine 2 is 2-20 mm, and the second discharging scraper 22 is tightly attached to the surface of the feeding belt machine 2; the distance between the first discharging scraper 21 and the second discharging scraper 22 is generally controlled to be 15-35 cm.
Preferably, the first discharging scraper 21 and the second discharging scraper 22 are arranged in parallel, and in order to increase the area of the scrapers and improve the scraping efficiency, the first discharging scraper 21 and the second discharging scraper 22 can be arranged in a proper inclined manner, and the included angle between the radial direction of the first discharging scraper and the horizontal line of the feeding belt machine 2 during operation is controlled to be 0-30 degrees. That is, the included angle α between the radial direction L2 of the two in fig. 2 and the horizontal line L1 on which the feeding belt conveyor 2 is located when in operation is 0 to 30 °.
Wet material feeding system's working process as follows:
1) wet material of gypsum is through the material loading mouth of hopper 11, through 11 unloading of hopper to belt weigher 12, installs vibrating motor 111 on the hopper 11, and the in-process of unloading vibrates with certain frequency, with the wet material homodisperse of gypsum, reduces because of factors such as material caking influence feed rate.
2) The belt weigher 12 counts the weight of the materials in real time, the blanking speed is 10 t/h-25 t/h, the gypsum wet materials are measured and fall to the feeding belt machine 2 through the vibrating screen 3 to be conveyed, and impurities such as stones and plastic products are screened off and are primarily scattered under the action of the vibrating screen 3.
3) The wet gypsum materials on the feeding belt machine 2 pass through a breaking device 41, and the agglomerated materials are further broken up; and then the high-hardness substances such as iron products and the like in the material are removed by the electromagnetic iron removing device 42.
4) The wet gypsum material passes through the feed opening mesh division device 43 at the terminal 2a of the feeding belt machine 2, and the feed opening mesh division device 43 can promote even feeding and lock hot air in the hot blast stove 100, so that the effect of isolating high temperature is achieved.
5) The first discharging scraper 21 and the second discharging scraper 22 at the terminal 2a of the feeding belt machine 2 sequentially scrape off the wet gypsum adhered on the feeding belt machine 2 and fall into the discharge opening separating device 43.
Thus, the gypsum wet material after a series of scattering and impurity removal finally enters a rotary dryer 200, surface attached water is removed through drying treatment in the rotary dryer 200, and the moisture content of the dried desulfurized gypsum is generally controlled to be lower than 1%.
While the invention has been shown and described with reference to certain embodiments, those skilled in the art will understand that: various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. A wet material feeding system for a gypsum calcining line is used for conveying wet gypsum materials to a drying system of the gypsum calcining line and is characterized by comprising a feeding device (1), a feeding belt conveyor (2), a vibrating screen (3), a scattering device (41), an electromagnetic iron removal device (42) and a feed opening separating device (43);
wherein the feeding device (1) is arranged above the starting end of the feeding belt conveyor (2); the vibrating screen (3) is erected on two sides of the starting end of the feeding belt conveyor (2) and is opposite to the discharge end of the feeding device (1); the scattering device (41) and the electromagnetic iron removal device (42) are sequentially arranged on the feeding belt conveyor (2) from the starting end to the terminal end (2a) of the feeding belt conveyor (2); the feed opening separating device (43) is positioned below a terminal (2a) of the feeding belt conveyor (2) and is used for guiding and screening the gypsum wet material to enter the drying system; a first discharging scraper (21) and a second discharging scraper (22) are arranged at the terminal end (2a) of the feeding belt conveyor (2) from the starting end to the terminal end (2 a).
2. The wet material feeding system according to claim 1, characterized in that the first discharging scraper (21) is at a vertical distance of 2 mm-20 mm from the surface of the feeding belt machine (2), and the second discharging scraper (22) is tightly attached to the surface of the feeding belt machine (2); the distance between the first discharging scraper (21) and the second discharging scraper (22) is 15-35 cm.
3. The wet material feeding system according to claim 2, characterized in that the first discharge scraper (21) and the second discharge scraper (22) are arranged in parallel and the radial direction of the first discharge scraper and the second discharge scraper forms an angle of 0 ° to 30 ° with the horizontal line on which the feeding belt conveyor (2) is operating.
4. The wet material feeding system according to any one of claims 1 to 3, wherein the vibrating screen (3) is placed on the ground by using a fixed support, and a vibrating spring (31) is arranged at the joint of the vibrating screen (3) and the fixed support.
5. The wet feed system of claim 4, wherein said feeding device (1) comprises a hopper (11) and a belt scale (12) connected to the bottom end of said hopper (11); wherein the discharge end of the belt scale (12) is opposite to the vibrating screen (3).
6. The wet material feeding system according to claim 5, characterized in that a vibration motor (111) is arranged on the outer side wall of the hopper (11), and a material empty warning device (112) is arranged at the bottom of the inner side wall; and a weight sensor (121) is arranged at the discharge end of the belt scale (12).
7. The wet material feeding system according to any one of claims 1 to 3, wherein the horizontal inclination angle of the feeding belt conveyor (2) is 10 ° to 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203831.3U CN216472946U (en) | 2021-12-20 | 2021-12-20 | Wet material feeding system for gypsum calcining line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203831.3U CN216472946U (en) | 2021-12-20 | 2021-12-20 | Wet material feeding system for gypsum calcining line |
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| Publication Number | Publication Date |
|---|---|
| CN216472946U true CN216472946U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123203831.3U Active CN216472946U (en) | 2021-12-20 | 2021-12-20 | Wet material feeding system for gypsum calcining line |
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| Country | Link |
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| CN (1) | CN216472946U (en) |
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2021
- 2021-12-20 CN CN202123203831.3U patent/CN216472946U/en active Active
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