Vacuum drying device for chemical filter cake

Abstract

The utility model provides a vacuum drying device for chemical filter cakes. The vacuum drying device comprises a drying box, a feeding pipe is arranged at the top of the drying box, a discharging hopper is arranged at the end of the drying box, a vacuum pump is arranged at the top of the drying box, a drying mechanism for containing the chemical filter cakes is arranged in the middle of the drying box, and a uniformizing mechanism for auxiliary drying is arranged on the side face of the drying mechanism. The drying mechanism comprises a base, a drying box, a second heating rod and a drying disc, the base is fixedly arranged in the drying box, and the drying box is arranged at the top of the base. According to the chemical filter cake drying device, the drying disc vibrates through the vibration motor, chemical filter cakes are shaken to be scattered, meanwhile, the electric push rod is matched with the pulleys to push the drying box and the drying disc to rotate back and forth within a certain angle, the chemical filter cakes in the drying disc are shaken, and then the chemical filter cakes are evenly distributed on the drying disc in a scattered mode to be dried; the drying uniformity and the drying efficiency of the chemical filter cakes can be improved, and the conditions of slow water evaporation and non-uniform drying caused by accumulation of the chemical filter cakes are effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of chemical equipment technology, specifically to a vacuum drying device for chemical filter cake. Background Technology

[0002] Chemical filter cake is a solid product obtained after solid-liquid separation in chemical production. It is formed through filtration. When a suspension containing solid particles passes through a filter medium, such as a filter screen or filter cloth, the liquid passes through the filter medium and becomes filtrate, while the solid particles are trapped on the surface of the filter medium. As filtration proceeds, the solid particles accumulate and form a filter cake. The proper treatment and utilization of chemical filter cake is of great significance for improving production efficiency, reducing costs, and reducing environmental pollution.

[0003] After the chemical filter cake is formed, it will be dried in order to facilitate storage and transportation, meet the requirements of subsequent processes such as purification, crushing and grinding, create conditions for chemical reactions, improve product quality and performance, and realize resource recycling and reuse. Currently, the commonly used chemical filter cake drying equipment, such as vacuum box dryers, will put the chemical filter cake into the drying box and heat it under vacuum to evaporate the moisture in the chemical filter cake.

[0004] During the actual drying process of chemical filter cakes in the aforementioned vacuum box dryer, it was found that the chemical filter cakes put into the dryer usually piled up statically. For thicker filter cakes or materials with poor thermal conductivity, the drying time would be very long. At the same time, the drying speed and drying efficiency of chemical filter cakes in different areas are different, which can easily lead to uneven drying and failure to meet the drying standards after the chemical filter cakes are dried.

[0005] In summary, there is a current need for a vacuum drying device that can uniformly and rapidly dry chemical filter cakes. Utility Model Content

[0006] To address the shortcomings of existing technologies, this invention provides a vacuum drying device for chemical filter cakes, which solves the problems mentioned in the background section.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A vacuum drying device for chemical filter cake includes a drying chamber, a feeding pipe at the top of the drying chamber, a discharge hopper at the end of the drying chamber, a vacuum pump at the top of the drying chamber, a drying mechanism for holding chemical filter cake in the middle of the drying chamber, and a material leveling mechanism for auxiliary drying on the side of the drying mechanism.

[0009] The drying mechanism includes a base, a drying box, a second heating rod, and a drying tray. The base is fixed inside the drying chamber. The drying box is located on the top of the base and is rotatably hinged to the base. The drying tray is located inside the drying box and is distributed at equal intervals. The second heating rod is located on the top of the drying box and forms a drying area on its top surface. A vibration motor is located on the outside of the second heating rod, and multiple vibration motors are mirror-mounted on the outside of the second heating rod.

[0010] Furthermore, an electric push rod is provided at the bottom of the inner side of the drying box, a connecting seat is provided at the top of the electric push rod, a pulley is provided inside the connecting seat, the pulley is located below the drying box, and the electric push rod is mirror-distributed below the drying box.

[0011] Furthermore, the drying tray is provided with a discharge gate at its end, and a motor is provided on the outside of the drying tray. The output end of the motor is connected to the top of the discharge gate, and the discharge gate is rotatably connected to the drying tray.

[0012] Furthermore, the top of the inner side of the drying oven is provided with a mounting plate, and a plurality of heating rods are provided on the inner side of the mounting plate, with the heating rods located above the heating rods.

[0013] Furthermore, the material leveling mechanism is mirror-mounted on both sides of the heating rod. The material leveling mechanism includes a slide rail, a connecting block, a push plate, and an electric telescopic rod. The slide rail is located on the outside of the drying box, and multiple connecting blocks are located on the outside of the slide rail. A push plate is located on the top of the connecting block, and the push plate is fixedly connected to the drying tray.

[0014] Furthermore, the electric telescopic rod is located on the side of the drying box, and the end of the electric telescopic rod is fixedly connected to the connecting block, allowing the drying tray to engage and slide with the drying box.

[0015] This invention provides a vacuum drying device for chemical filter cakes. Compared with the prior art, it has the following advantages:

[0016] The vibration motor causes the drying tray to vibrate, which disperses the chemical filter cake. At the same time, the electric push rod and pulley drive the drying box and drying tray to rotate back and forth within a certain angle, shaking the chemical filter cake in the drying tray. This makes the chemical filter cake evenly distributed on the drying tray for drying, which helps to improve the drying uniformity and drying efficiency of the chemical filter cake and effectively avoids the situation of slow evaporation and uneven drying caused by the accumulation of chemical filter cake. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 A schematic diagram of a chemical filter cake vacuum drying device according to this utility model is shown.

[0019] Figure 2 This diagram shows a side view of the overall structure of the present invention.

[0020] Figure 3 A side view of the overall cross-sectional structure of this utility model is shown;

[0021] Figure 4 A schematic diagram of the material leveling mechanism of this utility model is shown;

[0022] The diagram shows: 1. Drying oven; 11. Feeding pipe; 12. Discharge hopper; 13. Mounting plate; 14. Heating rod one; 2. Vacuum pump; 3. Drying mechanism; 31. Base; 32. Drying box; 33. Heating rod two; 34. Drying tray; 35. Discharge door; 36. Motor; 4. Material leveling mechanism; 41. Slide rail; 42. Connecting block; 43. Push plate; 44. Electric telescopic rod; 5. Electric push rod; 51. Pulley; 6. Vibration motor. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Example 1: To solve the technical problems in the background art, the following chemical filter cake vacuum drying device is provided:

[0025] Combination Figures 1-4As shown, this utility model provides a chemical filter cake vacuum drying device, including a drying chamber 1. A feeding pipe 11 is provided at the top of the drying chamber 1, and a discharge hopper 12 is provided at the end of the drying chamber 1 to discharge the dried chemical filter cake away from the device. A vacuum pump 2 is provided at the top of the drying chamber 1 to extract air from the drying chamber 1, forming a vacuum environment, lowering the boiling point of water in the chemical filter cake, and accelerating water evaporation. The vacuum pump 2 is used in conjunction with vacuum pipes, vacuum valves, and other components. A drying mechanism 3 for holding the chemical filter cake is provided in the middle of the drying chamber 1, and a material leveling mechanism 4 for auxiliary drying is provided on the side of the drying mechanism 3. The drying mechanism 3 includes a base 31, a drying box 32, a heating rod 33, and a drying tray 34. The base 31 is fixedly installed inside the drying chamber 1, and the drying box 32 is provided on the top of the base 31. The drying box 32 and the base 31 are connected... The drying box 32 is rotatably hinged to the base 31, which facilitates changing the angle of the drying tray 34 and the drying box 32. The drying box 32 is equipped with multiple drying trays 34 evenly distributed inside. The top of the drying box 32 is equipped with a second heating rod 33, and the top surface of the second heating rod 33 forms a drying area for holding chemical filter cake. Vibration motors 6 are provided on the outside of the second heating rod 33. Multiple vibration motors 6 are mirrored on the outside of the second heating rod 33. The setting of vibration motors 6 allows the chemical filter cake to be continuously shaken and dispersed when the drying tray 34 holds the chemical filter cake for drying. With the rotation of the drying tray 34 and the drying box 32, the chemical filter cake can be further dispersed, which facilitates the uniform drying of the chemical filter cake and avoids the situation of poor drying efficiency and drying effect caused by the accumulation of chemical filter cake.

[0026] In this embodiment, an electric push rod 5 is provided at the bottom of the inner side of the drying box 1, a connecting seat is provided at the top of the electric push rod 5, a pulley 51 is provided inside the connecting seat, the pulley 51 is located below the drying box 32, and the electric push rod 5 is mirror-distributed below the drying box 32. The electric push rod 5 can provide power for the rotation of the drying box 32 and the drying tray 34 by raising and lowering the pulley 51.

[0027] In this embodiment, a discharge gate 35 is provided at the end of the drying tray 34, and a motor 36 is provided on the outside of the drying tray 34. The output end of the motor 36 is connected to the top of the discharge gate 35. The discharge gate 35 is rotatably connected to the drying tray 34. The setting of the discharge gate 35 facilitates the discharge of the dried chemical filter cake from the end of the drying tray 34 into the discharge hopper 12 and out of the device. The setting of the heating rod can heat the drying tray 34 to ensure that the chemical filter cake can be fully heated and dried when it is above the drying tray 34.

[0028] In this embodiment, the top of the inner side of the drying box 1 is provided with an installation plate 13, and a plurality of heating rods 14 are provided inside the installation plate 13. The heating rods 14 are located above the heating rods 33. The setting of the heating rods 14 enables the chemical filter cake to be baked and heated from above the drying tray 34, so as to achieve the purpose of drying the chemical filter cake.

[0029] When the vacuum drying device dries the chemical filter cake, the chemical filter cake to be dried is fed into the drying chamber 1 through the feeding pipe 11. At this time, the chemical filter cake will fall onto the drying tray 34. Heating rod 14 and heating rod 33 heat the chemical filter cake. Vacuum pump 2 draws air from the inside of the drying chamber 1 to form a vacuum environment, which accelerates the evaporation of moisture in the chemical filter cake. Then, the vibration motor 36 runs, causing the drying tray 34 to vibrate and shake the chemical filter cake. At the same time, the electric push rod 5, in conjunction with the pulley 51, pushes the drying box 32 and the drying tray 34 to rotate back and forth within a certain angle, achieving the effect of shaking the chemical filter cake. In this way, the chemical filter cake can be evenly distributed on the drying tray 34 for drying, which helps to improve the drying uniformity and drying efficiency of the chemical filter cake, and can effectively avoid the situation of slow moisture evaporation and uneven drying caused by the accumulation of chemical filter cake.

[0030] Example 2: Figures 1-4 As shown, based on the above embodiments, this embodiment further provides the following:

[0031] To further improve the ability to uniformly disperse chemical filter cake, this embodiment presents the following design:

[0032] The material distribution mechanism 4 is mirror-mounted on both sides of the heating rod 33. The material distribution mechanism 4 includes a slide rail 41, a connecting block 42, a push plate 43, and an electric telescopic rod 44. The slide rail 41 is located on the outside of the drying box 32. Multiple connecting blocks 42 are located on the outside of the slide rail 41. A push plate 43 is located on the top of the connecting block 42. The push plate 43 is fixedly connected to the drying tray 34. The electric telescopic rod 44 is located on the side of the drying box 32. The end of the electric telescopic rod 44 is fixedly connected to the connecting block 42. The drying tray 34 engages and slides with the drying box 32. Through the electric telescopic rod 44, the drying tray 34 can be controlled to move back and forth above the drying box 32, further shaking the chemical filter cake in the drying tray 34 and improving the drying effect of the chemical filter cake.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0034] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A vacuum drying device for chemical filter cake, characterized in that: Includes a drying box (1), the top of the drying box (1) is provided with a feeding pipe (11), the end of the drying box (1) is provided with a discharge hopper (12), the top of the drying box (1) is provided with a vacuum pump (2), the middle of the drying box (1) is provided with a drying mechanism (3) for holding chemical filter cake, and the side of the drying mechanism (3) is provided with a material equalization mechanism (4) for auxiliary drying. The drying mechanism (3) includes a base (31), a drying box (32), a second heating rod (33), and a drying tray (34). The base (31) is fixed inside the drying box (1). The drying box (32) is located on the top of the base (31). The drying box (32) is rotatably hinged to the base (31). The drying tray (34) is located inside the drying box (32). Multiple drying trays (34) are distributed at equal intervals. The second heating rod (33) is located on the top of the drying box (32). A drying area is formed on the top surface of the second heating rod (33). A vibration motor (6) is located on the outside of the second heating rod (33). Multiple vibration motors (6) are mirrored on the outside of the second heating rod (33).

2. The chemical filter cake vacuum drying device according to claim 1, characterized in that: The drying box (1) is equipped with an electric push rod (5) at the bottom inside. The electric push rod (5) is equipped with a connecting seat at the top. The connecting seat is equipped with a pulley (51) inside. The pulley (51) is located below the drying box (32). The electric push rod (5) is distributed in a mirror image below the drying box (32).

3. The chemical filter cake vacuum drying device according to claim 1, characterized in that: The drying tray (34) is provided with a discharge gate (35) at the end, and a motor (36) is provided on the outside of the drying tray (34). The output end of the motor (36) is connected to the top of the discharge gate (35), and the discharge gate (35) is rotatably connected to the drying tray (34).

4. The chemical filter cake vacuum drying device according to claim 1, characterized in that: The drying oven (1) has an installation plate (13) on the top inside. The installation plate (13) has multiple heating rods (14) on its inner side. The heating rods (14) are located above the heating rods (33).

5. The chemical filter cake vacuum drying device according to claim 1, characterized in that: The material leveling mechanism (4) is mirrored on both sides of the heating rod (33). The material leveling mechanism (4) includes a slide rail (41), a connecting block (42), a push plate (43), and an electric telescopic rod (44). The slide rail (41) is located on the outside of the drying box (32). Multiple connecting blocks (42) are provided on the outside of the slide rail (41). A push plate (43) is provided on the top of the connecting block (42). The push plate (43) is fixedly connected to the drying tray (34).

6. A chemical filter cake vacuum drying device according to claim 5, characterized in that: The electric telescopic rod (44) is located on the side of the drying box (32). The end of the electric telescopic rod (44) is fixedly connected to the connecting block (42), and the drying tray (34) engages and slides with the drying box (32).

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