Filter pressing device for reducing water content of iron-molybdenum catalyst filter cake

Abstract

A filter pressing device for reducing the water content of an iron-molybdenum catalyst filter cake comprises a box body, a filter pressing mechanism is arranged in the box body, the filter pressing mechanism comprises a pressing plate and a filter cake placing plate, the pressing plate is located over the filter cake placing plate and is driven by a driving mechanism to move up and down, the filter cake placing plate is fixed in the box body, and the filter cake placing plate is fixed in the box body. A group of water outlet holes are formed in the filter cake placing plate. A filter cake is placed on the filter cake placing plate, and the driving mechanism drives the pressing plate to ascend and descend, so that the pressing plate is matched with the filter cake placing plate, and the function of pressing or loosening the filter cake is realized; meanwhile, the water outlet holes are formed in the filter cake placing plate, and extruded liquid can be discharged through the water outlet holes, so that the water content of the filter cake is reduced. The filter pressing device disclosed by the utility model has the characteristics of simple structure, convenience in operation and stable and reliable performance, can be widely applied to the production process of the iron-molybdenum catalyst, and provides powerful support for improving the product quality and reducing the production cost for enterprises.

Description

Technical Field

[0001] The utility model relates to the technical field of filter pressing, in particular to a filter pressing device for reducing the water content of an iron-molybdenum catalyst filter cake. Background Art

[0002] Iron-molybdenum catalyst filter cake is a solid residue obtained after filtration, the main components of which are a mixture of iron and molybdenum. This filter cake is usually obtained by using an iron-molybdenum catalyst in a chemical reaction and separating the catalyst from the reaction system through filtration.

[0003] The iron-molybdenum catalyst filter cake has a certain catalytic activity and can be recycled and reused. During the recycling process, it needs to undergo a series of physical and chemical treatments, such as washing, drying, activation, etc., to restore its catalytic activity. After washing, the filter cake has a high water content, so a filter press operation is required to reduce its moisture content. However, the filter cake filter press device currently used is not ideal and does not minimize the moisture content of the filter cake. If the moisture content is high, it will affect the subsequent drying and activation processes. Therefore, there is an urgent need for a device that can reduce the moisture content of the iron-molybdenum catalyst filter cake. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then propose a filter press device for reducing the water content of iron-molybdenum catalyst filter cake.

[0005] The utility model solves the technical problem by adopting the following technical solution: a filter press device for reducing the moisture content of an iron-molybdenum catalyst filter cake, comprising a box body, wherein a filter press mechanism is arranged inside the box body, wherein the filter press mechanism comprises a pressing plate and a filter cake placing plate, wherein the pressing plate is located directly above the filter cake placing plate, wherein the pressing plate is driven by a driving mechanism to move up and down, wherein the filter cake placing plate is fixed inside the box body, and wherein a group of water outlet holes are arranged on the filter cake placing plate.

[0006] A further improvement of the utility model is that the box body comprises a bottom plate, side plates are fixed around the bottom plate, and a top plate is fixed on the top of the side plates.

[0007] A further improvement of the utility model also includes a guide mechanism, which includes a guide column, a guide sleeve and a guide plate, wherein the guide plate is horizontally fixed to the lower part of the driving mechanism, the guide sleeve is fixed to the lower part of the horizontal plate, the upper end of the guide column is fixedly connected to the top plate, and the lower end of the guide column is fixedly connected to the bottom plate.

[0008] A further improvement of the utility model is that four guide posts are provided and are respectively fixed at four corners of the bottom plate.

[0009] A further improvement of the utility model is that the upper and lower ends of the guide column are fixed to the top plate and the bottom plate respectively by bolts.

[0010] A further improvement of the utility model is that the driving mechanism adopts a pneumatic cylinder, the piston rod of the pneumatic cylinder is fixed to a "T"-shaped connecting plate by a pin, and the "T"-shaped connecting plate is fixed to a guide plate by a bolt.

[0011] A further improvement of the utility model is that a mounting plate is fixed to the lower part of the guide plate, and the lower part of the mounting plate is fixed to the pressing plate.

[0012] A further improvement of the utility model is that a support seat with an open upper end is fixed to the lower part of the filter cake placement plate, and a pull-out groove for collecting filtered water is slidably provided in the support seat.

[0013] A further improvement of the utility model is that a hot air inlet is arranged on the side plate.

[0014] The beneficial effects of the utility model are as follows: the filter cake is placed on the filter cake placement plate, and the driving mechanism drives the pressing plate to move up and down, so that the pressing plate cooperates with the filter cake placement plate to achieve the function of pressing or loosening the filter cake; at the same time, a water outlet is provided on the filter cake placement plate, and the pressed liquid can be discharged through the water outlet, thereby reducing the water content of the filter cake. The filter press device of the utility model has the characteristics of simple structure, convenient operation, stable and reliable performance, and can be widely used in the production process of iron-molybdenum catalysts, providing strong support for enterprises to improve product quality and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a specific implementation method of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the filter cake placement plate in the utility model.

[0017] Among them: 1 is a box body, 11 is a side plate, 12 is a bottom plate, 13 is a top plate, 2 is a filter press mechanism, 21 is a pressure plate, 22 is a filter cake placement plate, 221 is a water outlet, 23 is a support seat, 24 is a pull-out groove, 3 is a driving mechanism, 31 is a "T"-shaped connecting plate, 4 is a guide mechanism, 41 is a guide column, 42 is a guide sleeve, 43 is a guide plate, 44 is a mounting plate, and 5 is a hot air inlet. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The utility model is further described in combination with the drawings and embodiments:

[0019] like Figure 1-2 As shown, a filter press device for reducing the moisture content of an iron-molybdenum catalyst filter cake comprises a housing 1, a filter press mechanism 2 is arranged in the housing 1, the filter press mechanism 2 comprises a pressing plate 21 and a filter cake placing plate 22, the pressing plate 21 is located directly above the filter cake placing plate 22, the pressing plate 21 is driven by a driving mechanism 3 to move up and down, the filter cake placing plate 22 is fixed in the housing 1, and a group of water outlet holes 221 are arranged on the filter cake placing plate 22. In the utility model, the pressing plate 21 is located directly above the filter cake placing plate 22 and can be freely raised and lowered; the driving mechanism 3 drives the pressing plate 21 to move up and down to realize the function of pressing or loosening the filter cake; the filter cake placing plate 22 is fixed in the housing 1, the filter cake placing plate 22 is used to place the filter cake, and a group of water outlet holes 221 are arranged thereon, when the pressing plate 21 presses the filter cake out of the liquid, the water outlet holes 221 can make the liquid flow out smoothly, thereby reducing the moisture content of the filter cake.

[0020] Furthermore, the box body 1 includes a bottom plate 12, side plates 11 are fixed around the bottom plate 12, and a top plate 13 is fixed on the top of the side plate 11. The bottom plate 12, the side plates 11 and the top plate 13 constitute the main structure of the filter press device, which has sufficient strength and rigidity to withstand the pressure during the filter press process.

[0021] Furthermore, the utility model also includes a guide mechanism 4, which includes a guide column 41, a guide sleeve 42 and a guide plate 43. The guide plate 43 is horizontally fixed to the lower part of the driving mechanism 3, the guide sleeve 42 is fixed to the lower part of the guide plate 43, the upper end of the guide column 41 is fixedly connected to the top plate 13, and the lower end of the guide column 41 is fixedly connected to the bottom plate 12. Through the guiding action of the guide mechanism 4, the driving mechanism 3 can accurately control the movement trajectory of the pressing plate 21, reduce errors, and improve the filter pressing effect. Specifically, four guide columns 41 are provided, which are respectively fixed at the four corners of the bottom plate 12. The upper and lower ends of the guide column 41 are fixed to the top plate 13 and the bottom plate 12 by bolts, respectively.

[0022] Specifically, the driving mechanism 3 adopts a pneumatic cylinder, the piston rod of the pneumatic cylinder is fixed to the "T"-shaped connecting plate 31 by a pin, and the "T"-shaped connecting plate 31 is fixed to the guide plate 43 by a bolt. The selection of the pneumatic cylinder enables the driving mechanism 3 to have a higher response speed and control accuracy, and can adapt to the filtering requirements under different process conditions. The use of the "T"-shaped connecting plate 31 can ensure the strength and rigidity of the connection between the pneumatic cylinder and the guide plate 43, and can withstand the pressure during the entire filter press process.

[0023] Furthermore, a mounting plate 44 is fixed to the lower part of the guide plate 43, and the lower part of the mounting plate 44 is fixed to the pressing plate 21. The arrangement of the mounting plate 44 facilitates the installation and removal of the pressing plate 21. At the same time, this connection mode enables the guide mechanism 4 and the filter pressing mechanism 2 to form a whole, thereby improving the stability and reliability of the equipment.

[0024] Furthermore, a support seat 23 with an open upper end is fixed to the lower part of the filter cake placement plate 22, and a pull-out groove 24 for collecting filtered water is slidably arranged in the support seat 23. The setting of the pull-out groove 24 facilitates the collection and discharge of filtered water.

[0025] After the filtration is completed, a small amount of moisture will remain on the filter cake placement plate 22. When the filtration is performed next time, placing the filter cake on the filter cake placement plate 22 will cause moisture to be sucked back onto the filter cake. In order to avoid this phenomenon, the utility model is provided with a hot air inlet 5 on the side plate 11, and the hot air inlet 5 can be connected to a hot air blower. After the filtration is completed, hot air is introduced into the box body 1 to dry the moisture on the filter plate and keep the filter plate dry.

[0026] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A filter press device for reducing the moisture content of an iron-molybdenum catalyst filter cake, characterized in that: It comprises a box body, a filter press mechanism is arranged in the box body, the filter press mechanism comprises a pressing plate and a filter cake placing plate, the pressing plate is located directly above the filter cake placing plate, the pressing plate is driven by a driving mechanism to move up and down, the filter cake placing plate is fixed in the box body, and a group of water outlet holes are arranged on the filter cake placing plate; A support seat with an upper opening is fixed to the lower part of the filter cake placement plate, and a drawing groove for collecting filtered water is slidably arranged in the support seat; The box body comprises a bottom plate, side plates are fixed around the bottom plate, and a top plate is fixed on the top of the side plates; The side plate is provided with a hot air inlet.

2. The filter press device for reducing the moisture content of the iron-molybdenum catalyst filter cake according to claim 1, characterized in that: It also includes a guiding mechanism, which includes a guiding column, a guiding sleeve and a guiding plate. The guiding plate is horizontally fixed to the lower part of the driving mechanism, the guiding sleeve is fixed to the lower part of the guiding plate, the upper end of the guiding column is fixedly connected to the top plate, and the lower end of the guiding column is fixedly connected to the bottom plate.

3. The filter press device for reducing the moisture content of the iron-molybdenum catalyst filter cake according to claim 2, characterized in that: There are four guide columns, which are respectively fixed at four corners of the bottom plate.

4. The filter press device for reducing the moisture content of the iron-molybdenum catalyst filter cake according to claim 2, characterized in that: The upper and lower ends of the guide column are fixed to the top plate and the bottom plate respectively by bolts.

5. The filter press device for reducing the moisture content of the iron-molybdenum catalyst filter cake according to any one of claims 1 to 4, characterized in that: The driving mechanism adopts a pneumatic cylinder, the piston rod of the pneumatic cylinder is fixed to a "T"-shaped connecting plate by a pin, and the "T"-shaped connecting plate is fixed to a guide plate by a bolt.

6. The filter press device for reducing the moisture content of the iron-molybdenum catalyst filter cake according to claim 5, characterized in that: A mounting plate is fixed to the lower part of the guide plate, and the lower part of the mounting plate is fixed to the pressing plate.

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