Moisture pre-drying and crushing integrated equipment for carbide slag

Abstract

The invention relates to the technical field of carbide slag drying and crushing devices, in particular to carbide slag moisture pre-drying and crushing integrated equipment which comprises a storage bin assembly, a crushing bin assembly, a drying bin assembly and a gas conveying pipe assembly. Through the arrangement of the storage bin body, the crushing bin body, the first grinding bulge, the second grinding bulge, the drying bin body, the first stirring plate assembly and the second stirring plate assembly, the device can stir a carbide slag filter plate while inputting hot air into the drying bin body, so that carbide slag is quickly dehydrated and dispersed, adhesion and caking of the carbide slag are avoided, and the service life of the carbide slag is prolonged. Meanwhile, the device can perform two-stage crushing, grinding and filtering on the carbide slag to improve the dispersion effect and efficiency of the carbide slag, has higher heat exchange efficiency, can quickly dry the carbide slag, has better crushing effect and crushing efficiency, and can quickly crush the carbide slag to meet the requirements of cement production.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of calcium carbide slag drying and crushing device, in particular to a calcium carbide slag moisture pre-drying and crushing integrated equipment. BACKGROUND

[0002] After calcium carbide reacts with water to generate acetylene, calcium carbide slag slurry can form calcium carbide slag filter cake after pressure filtration, and the moisture content of the filter cake is between 35% and 42%. The calcium carbide slag filter cake can be reused after removing most of the moisture and further crushing by the calcium carbide slag moisture pre-drying and crushing integrated equipment. The calcium carbide slag after drying and crushing can be used as a calcium raw material for cement production.

[0003] The calcium carbide slag moisture pre-drying and crushing integrated equipment usually introduces the system waste heat of cement production to dry the calcium carbide slag, and further crushes the calcium carbide slag through a crushing mechanism. However, there are some problems in the use of some existing calcium carbide slag moisture pre-drying and crushing integrated equipment. First, the drying mechanism of the existing calcium carbide slag moisture pre-drying and crushing integrated equipment is relatively simple. Because the calcium carbide slag has high moisture content, high viscosity and is easy to cake, the heat exchange between the calcium carbide slag and the hot air is slow, the calcium carbide slag is difficult to dry completely, and energy is easily wasted. Second, the crushing mechanism of the existing calcium carbide slag moisture pre-drying and crushing integrated equipment has a relatively simple structure, and its crushing effect is poor and the crushing efficiency is low. The calcium carbide slag used as a cement production raw material has a requirement for particle size, and if the use requirement is to be met, a long time of crushing is required. Therefore, a calcium carbide slag moisture pre-drying and crushing integrated equipment is proposed to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a calcium carbide slag moisture pre-drying and crushing integrated equipment to solve the problem that the existing calcium carbide slag moisture pre-drying and crushing integrated equipment is difficult to dry the calcium carbide slag completely and has low crushing efficiency.

[0005] To achieve the above purpose, the present application provides the following technical scheme: The application discloses a carbide slag water pre-drying and crushing integrated equipment, which comprises a storage bin assembly, a crushing bin assembly, a drying bin assembly and a gas conveying pipe assembly.

[0006] Preferably, the right half of the storage bin body is fixedly connected with first limiting plates on the front and back sides, the curved side surfaces of the right opening of the storage bin body are fixedly connected with first locking plates, the front and back sides of the crushing bin body are fixedly connected with second limiting plates at upper positions, the left and right sides of the crushing bin body are fixedly connected with second locking plates at upper positions, the two first locking plates are bolted to the lower crushing bin body, the two second locking plates at the lower side are bolted to the upper crushing bin body, and the two second locking plates at the upper side are bolted to the drying bin body.

[0007] Preferably, the first and second screening plates are curved plates, the screen hole diameter of the first screening plate is smaller than that of the second screening plate, the distance between the center of the lower grinding roller and the first screening plate is equal to the distance between the upper grinding roller and the second screening plate, and the minimum distance between the first grinding protrusions at the upper side and the first screening plate is smaller than the minimum distance between the second grinding protrusions and the second screening plate.

[0008] Preferably, the first stirring plate assembly and the second stirring plate assembly are both composed of a plurality of rectangular plates distributed in a circumferential direction, and the rectangular plates of the first stirring plate assembly and the second stirring plate assembly are distributed in a staggered manner.

[0009] Preferably, the right side of the storage bin assembly is provided with a gas conveying pipe assembly, the gas conveying pipe assembly comprises a support frame attached to the right side surface of the crushing bin body and the drying bin body, a gas conveying pipe is arranged on the support frame, three gas conveying switch valves are mounted on the left side of the gas conveying pipe, and a shunt pipe is fixedly connected to the left end of each of the gas conveying switch valves, and the left ends of the three shunt pipes are fixedly connected to the crushing bin body and the drying bin body, respectively.

[0010] Preferably, the gas conveying pipe is an L-shaped bent pipe, the horizontal pipe portion of the gas conveying pipe is in contact with the support frame, and the lower ends of the shunt pipes are in contact with the support frame.

[0011] Compared with the prior art, the present application has the following advantages: In the present application, the storage bin body, the crushing bin body, the first grinding protrusion, the second grinding protrusion, the drying bin body, the first stirring plate assembly and the second stirring plate assembly are arranged, the device can form an air passage through which hot air can pass through the drying bin body, the crushing bin body and the storage bin body, the first stirring plate assembly and the second stirring plate assembly can stir the calcium carbide slag filter plate while inputting hot air into the drying bin body, so that the calcium carbide slag can be quickly dehydrated and dispersed, and the calcium carbide slag can be prevented from being adhered and caked, the hot air in the drying bin body can carry water and quickly discharge the water from the drying bin body, the second screening plate can cooperate with the second grinding protrusion and the first screening plate can cooperate with the first grinding protrusion to perform two-stage crushing, grinding and filtering on the calcium carbide slag, so that the dispersion effect and efficiency of the calcium carbide slag are improved, the hot air conveyed into the crushing bin body can blow the calcium carbide slag, the filtering efficiency of the calcium carbide slag is improved, the calcium carbide slag can be further dried, the storage bin body can collect the calcium carbide slag particles with a size meeting the needs of cement production after drying and crushing, the device has high heat exchange efficiency, can quickly dry the calcium carbide slag, has good crushing effect and crushing efficiency, and can quickly crush the calcium carbide slag to meet the requirements of cement production. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the overall structure of the present application from another perspective; Figure 3 It is a cross-sectional view of the overall structure of the present application; Figure 4 It is a cross-sectional view of the installation structure of the crushing bin body of the present application; Figure 5Structure sectional view of the storage bin assembly of the present application; Figure 6 Structure sectional view of the crushing bin assembly of the present application; Figure 7 Structure sectional view of the drying bin assembly of the present application; Figure 8 Structure sectional view of the gas conveying pipe assembly of the present application.

[0013] In the figure: 1, storage bin assembly; 11, storage bin body; 12, supporting leg; 13, first limiting plate; 14, first locking plate; 15, first filter plate; 16, discharge on-off valve; 2, crushing bin assembly; 21, crushing bin body; 22, second limiting plate; 23, second locking plate; 24, first screening plate; 25, second screening plate; 26, grinding motor; 27, grinding roller; 28, first grinding protrusion; 29, second grinding protrusion; 3, drying bin assembly; 31, drying bin body; 32, feeding on-off valve; 33, feeding hopper; 34, discharging on-off valve; 35, second filter plate; 36, stirring motor; 37, rotating shaft; 38, first stirring plate assembly; 39, second stirring plate assembly; 4, gas conveying pipe assembly; 41, supporting frame; 42, gas conveying pipe; 43, gas conveying on-off valve; 44, shunt pipe. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0015] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0016] In addition, it should be noted that the use of "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore cannot be understood as a limitation on the protection scope of the present application.

[0017] Please refer to Figures 1-8The application provides a technical scheme: The application provides a technical scheme:

[0018] Further, the right half of the storage bin body 11 is fixedly connected with first limiting plates 13 on the front and back sides, the curved side surfaces of the right opening of the storage bin body 11 are fixedly connected with first locking plates 14, the front and back sides of the upper part of the crushing bin body 21 are fixedly connected with second limiting plates 22, the left and right sides of the upper part of the crushing bin body 21 are fixedly connected with second locking plates 23, the two first locking plates 14 are bolted to the crushing bin body 21 located at the lower side, the two second locking plates 23 located at the lower side are bolted to the crushing bin body 21 located at the upper side, and the two second locking plates 23 located at the upper side are bolted to the drying bin body 31, so that the drying bin body 31, the crushing bin body 21 and the storage bin body 11 can form an air passage through which hot air can pass, and the hot air can quickly pass through the air passage to dry the carbide slag.

[0019] Further, the first screening plate 24 and the second screening plate 25 are both curved panels, the screen hole diameter of the first screening plate 24 is smaller than that of the second screening plate 25, the distance between the center of the lower grinding roller 27 and the first screening plate 24 is equal to the distance between the upper grinding roller 27 and the second screening plate 25, the minimum distance between the first grinding protrusion 28 on the upper side and the first screening plate 24 is smaller than the minimum distance between the second grinding protrusion 29 and the second screening plate 25, the grinding fineness of the second grinding protrusion 29 is different from that of the first grinding protrusion 28, and the filtering accuracy of the second screening plate 25 is also different from that of the first screening plate 24, so that the calcium carbide slag can be classified, ground and filtered.

[0020] Further, the first stirring plate assembly 38 and the second stirring plate assembly 39 are both composed of a plurality of rectangular plates distributed in a circumferential direction, the rectangular plates of the first stirring plate assembly 38 and the second stirring plate assembly 39 are distributed in a staggered manner, and the hot gas delivered by the shunt pipe 44 can make the calcium carbide slag lose water quickly through the stirring cooperation of the first stirring plate assembly 38 and the second stirring plate assembly 39, so that the calcium carbide slag is no longer adhered and caked.

[0021] Further, the right side of the storage bin assembly 1 is provided with a gas conveying pipe assembly 4, the gas conveying pipe assembly 4 includes a support frame 41 attached to the right side surface of the crushing bin body 21 and the drying bin body 31, the support frame 41 is provided with a gas conveying pipe 42, the left side of the gas conveying pipe 42 is provided with three gas on-off valves 43, the left end of each gas on-off valve 43 is fixedly connected with a shunt pipe 44, the left end of each shunt pipe 44 is fixedly connected with the crushing bin body 21 or the drying bin body 31, and the three shunt pipes 44 can be respectively controlled by the three gas on-off valves 43 to control the delivery of hot gas.

[0022] Further, the gas conveying pipe 42 is an "L"-shaped bent pipe, the lower end of the horizontal pipe part of the gas conveying pipe 42 is in contact with the support frame 41, and the lower end of each shunt pipe 44 is in contact with the support frame 41, so that the gas conveying pipe 42 and the shunt pipe 44 can be supported by the support frame 41, and the airway formed by the drying bin body 31, the crushing bin body 21 and the storage bin body 11 can be supported and limited by the support frame 41.

[0023] Workflow: before use, install the support leg 12 in the right place and turn on the power, the end of the gas pipe 42 is connected to the waste heat collection device of the cement production system, the device is supplied with hot air through the waste heat collection device, the device forms an air passage through which hot air can pass through the drying bin body 31, the crushing bin body 21 and the storage bin body 11, if the device needs to be repaired, the drying bin body 31, the crushing bin body 21 and the storage bin body 11 can be quickly disassembled, the filter hole diameter of the first filter plate 15 and the second filter plate 35 of the device is smaller than the screen hole diameter of the first screening plate 24, the screen hole diameter of the first screening plate 24 is smaller than the screen hole diameter of the second screening plate 25, the first filter plate 15 and the second filter plate 35 of the device can only allow air to pass through, the first screening plate 24 can only allow calcium carbide slag particles meeting the requirements of cement production to pass through, the device is equipped with an external controller, the external controller of the device is respectively electrically connected with the discharge switch valve 16, the grinding motor 26, the feeding switch valve 32, the discharging switch valve 34, the stirring motor 36 and the gas conveying switch valve 43, manually operating the external controller can adjust the operating state of the discharge switch valve 16, the grinding motor 26, the feeding switch valve 32, the discharging switch valve 34, the stirring motor 36 and the gas conveying switch valve 43, all of the above are prior art.When using the device, the worker first opens the feeding switch valve 32 through the external controller, puts a proper amount of carbide slag filter cake into the drying bin body 31 through the feeding hopper 33, then closes the feeding switch valve 32, starts the stirring motor 36, opens the uppermost gas conveying switch valve 43, and inputs hot gas into the drying bin body 31 through the gas conveying pipe 42 and the shunt pipe 44 supported by the support frame 41. The rotating shaft 37 can be driven to rotate by the stirring motor 36, and the first and second stirring plate assemblies 38 and 39 distributed in a staggered manner can be driven to rotate together. The first and second stirring plate assemblies 38 and 39 can scatter the carbide slag filter cake, the hot gas can heat and dry the carbide slag, and the excess hot gas can carry the moisture and be discharged through the second filter plate 35, while the carbide slag cannot pass through the second filter plate 35. The hot gas conveyed by the shunt pipe 44 can make the carbide slag lose water quickly through the stirring cooperation of the first and second stirring plate assemblies 38 and 39, so that the carbide slag is no longer adhered and caked. After a period of time, the worker can open the uppermost discharging switch valve 34 through the external controller, make the carbide slag fall into the upper pulverizing bin body 21 from the drying bin body 31, then close the discharging switch valve 34, stop the stirring motor 36, close the uppermost gas conveying switch valve 43, start the two grinding motors 26, and simultaneously open the middle and lower gas conveying switch valves 43. Hot gas can be input into the two pulverizing bin bodies 21 through the gas conveying pipe 42 and the shunt pipe 44. The grinding roller 27 can be driven to rotate by the grinding motor 26, the first and second grinding protrusions 28 and 29 can grind the carbide slag, the first and second screening plates 24 and 25 can filter the carbide slag, and the hot gas conveyed by the shunt pipe 44 can continuously dry the carbide slag and blow the carbide slag to improve the filtering efficiency of the first and second screening plates 24 and 25. The grinding fineness of the second grinding protrusion 29 and the first grinding protrusion 28 is different, and the filtering precision of the second screening plate 25 and the first screening plate 24 is also different, so that the carbide slag can be classified and ground and filtered. The carbide slag with a particle size meeting the requirements can pass through the second and first screening plates 25 and 24 in turn and fall into the storage bin body 11 supported by the support leg 12, and the hot gas can be discharged through the first filter plate 15, while the carbide slag accumulates in the storage bin body 11. After a period of time, the worker can stop the two grinding motors 26 through the external controller, simultaneously close the middle and lower gas conveying switch valves 43, and then open the discharging switch valve 16, so that the dried and crushed carbide slag can be discharged through the discharging switch valve 16.The device can form an air passage through which hot air passes by means of the drying bin body 31, the crushing bin body 21 and the storage bin body 11, and the first stirring plate assembly 38 and the second stirring plate assembly 39 are used to stir the calcium carbide slag filter plate while inputting hot air into the drying bin body 31, so that the calcium carbide slag is quickly dehydrated and dispersed, and the calcium carbide slag is prevented from being adhered and caked, and the hot air in the drying bin body 31 can quickly carry water out of the drying bin body 31, and the device can pass the second screening plate 25 in cooperation with the second grinding protrusion 29 and the first screening plate 24 in cooperation with the first grinding protrusion 28 to crush, grind and filter the calcium carbide slag in two stages, so as to improve the dispersion effect and efficiency of the calcium carbide slag, the hot air input into the crushing bin body 21 can blow the calcium carbide slag to improve the filtering efficiency of the calcium carbide slag, and the calcium carbide slag can be further dried, and the calcium carbide slag particles meeting the requirements of cement production in size after drying and crushing are collected by the storage bin body 11, the device has high heat exchange efficiency, can quickly dry the calcium carbide slag, has good crushing effect and crushing efficiency, and can quickly crush the calcium carbide slag to meet the requirements of cement production.

[0024] The principles and embodiments of the present application are described by using specific examples in this paper, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred embodiments of the present application, and it should be pointed out that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, and the above technical features can be combined in an appropriate way; these improvements, decorations, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A calcium carbide slag water pre-drying and crushing integrated equipment, comprising a storage bin assembly (1), a crushing bin assembly (2), a drying bin assembly (3) and a gas conveying pipe assembly (4), characterized in that: The storage bin assembly (1) includes a storage bin body (11), the lower corners of the storage bin body (11) are fixedly connected with support legs (12), the left side opening wall of the storage bin body (11) is fixedly connected with a first filter plate (15), the lower side opening of the storage bin body (11) is fixedly connected with a discharge switch valve (16), the right half of the storage bin assembly (1) is provided with a crushing bin assembly (2) on the upper side, the crushing bin assembly (2) includes two upper and lower crushing bin bodies (21), the inside of the crushing bin body (21) located on the lower side is fixedly connected with a first screening plate (24), the inside of the crushing bin body (21) located on the upper side is fixedly connected with a second screening plate (25), the front side of the crushing bin body (21) is fixedly connected with a main shaft grinding motor (26) penetrating through the front side wall of the crushing bin body (21), the inside of the crushing bin body (21) is rotatably connected with a grinding roller (27) fixedly connected with the main shaft of the grinding motor (26), the outside of the grinding roller (27) located on the lower side is fixedly connected with a group of first grinding protrusions (28), the outside of the grinding roller (27) located on the upper side is fixedly connected with a group of second grinding protrusions (29), the upper side of the crushing bin assembly (2) is provided with a drying bin assembly (3), the drying bin assembly (3) includes a drying bin body (31), the upper side rectangular opening of the drying bin body (31) is fixedly connected with a feeding switch valve (32), the upper end surface of the feeding switch valve (32) is fixedly connected with a feeding hopper (33), the lower side rectangular opening of the drying bin body (31) is fixedly connected with a discharging switch valve (34), the two upper side circular openings of the drying bin body (31) are fixedly connected with second filter plates (35), the front side of the drying bin body (31) is fixedly connected with a main shaft stirring motor (36) penetrating through the front side wall of the drying bin body (31), the inside of the drying bin body (31) is rotatably connected with a rotating shaft (37) fixedly connected with the main shaft of the stirring motor (36), the front half of the rotating shaft (37) is fixedly connected with a first stirring plate assembly (38), the rear half of the rotating shaft (37) is fixedly connected with a second stirring plate assembly (39).

2. The integrated equipment for pre-drying and crushing calcium carbide slag according to claim 1, characterized in that: The right half of the storage bin body (11) is fixedly connected with first limiting plates (13) on the front and back sides, the curved side of the right side opening of the storage bin body (11) is fixedly connected with first locking plates (14), the front and back sides of the crushing bin body (21) are fixedly connected with second limiting plates (22) at the upper positions, the left and right sides of the crushing bin body (21) are fixedly connected with second locking plates (23) at the upper positions, the two first locking plates (14) are bolted with the crushing bin body (21) located on the lower side, the two second locking plates (23) located on the lower side are bolted with the crushing bin body (21) located on the upper side, and the two second locking plates (23) located on the upper side are bolted with the drying bin body (31).

3. The integrated equipment for pre-drying and crushing calcium carbide slag according to claim 1, characterized in that: The first screening plate (24) and the second screening plate (25) are both curved panels, the screen hole diameter of the first screening plate (24) is smaller than that of the second screening plate (25), the distance between the center of the lower grinding roller (27) and the first screening plate (24) is equal to the distance between the upper grinding roller (27) and the second screening plate (25), and the minimum distance between the upper first grinding protrusion (28) and the first screening plate (24) is smaller than the minimum distance between the second grinding protrusion (29) and the second screening plate (25).

4. The integrated equipment for pre-drying and crushing calcium carbide slag according to claim 1, characterized in that: The first stirring plate assembly (38) and the second stirring plate assembly (39) are both composed of a plurality of circumferentially distributed rectangular plates, and the rectangular plates of the first stirring plate assembly (38) and the second stirring plate assembly (39) are distributed in a staggered manner.

5. The integrated equipment for pre-drying and crushing carbide slag according to claim 1, characterized in that: The right side of the storage bin assembly (1) is provided with a gas conveying pipe assembly (4), the gas conveying pipe assembly (4) comprises a support frame (41) attached to the right side surface of the crushing bin body (21) and the drying bin body (31), the support frame (41) is provided with a gas conveying pipe (42), the left side of the gas conveying pipe (42) is provided with three gas conveying switch valves (43), the left end of each gas conveying switch valve (43) is fixedly connected with a shunt pipe (44), and the left end of each shunt pipe (44) is fixedly connected with the crushing bin body (21) and the drying bin body (31).

6. The integrated equipment for pre-drying and crushing carbide slag according to claim 5, characterized in that: The gas conveying pipe (42) is an "L"-shaped bent pipe, the lower end of the horizontal pipe part of the gas conveying pipe (42) is in contact with the support frame (41), and the lower end of each shunt pipe (44) is in contact with the support frame (41).

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