Filter cake breaking device of filter press

Abstract

The utility model discloses a filter press filter cake breaking device which comprises a supporting mechanism, a belt conveyor used for conveying filter cakes is installed on the supporting mechanism, the front end of the belt conveyor is arranged to be a feeding end, the rear end of the belt conveyor is arranged to be a discharging end, and a cake breaking mechanism is installed above the belt conveyor. The cake breaking mechanism comprises an actuating cylinder and a plurality of cake breaking teeth arranged at the output end of the actuating cylinder, the actuating cylinder and the cake breaking teeth are respectively and vertically arranged relative to the conveying direction of the belt conveyor, and the cake breaking teeth are inserted into or withdrawn from a filter cake on the belt conveyor under the driving of the actuating cylinder. The filter press filter cake crushing device can crush filter press filter cakes on the belt conveyor, and the filter cakes can conveniently enter a drying machine to be dried.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter cake breaking device of filter press. BACKGROUND

[0002] At present, plate-and-frame filter press is widely used in the separation of granular solid and water. The working principle of plate-and-frame filter press is generally that the filtrate enters the filter chamber formed by the filter plate and filter frame, and then the filter residue is retained in the filter chamber by the extrusion of the filter plate and filter frame, while the water passes through the filter plate into the through holes around the filter plate and filter frame. After that, the filter residue is extruded into filter cake. However, the block shape of the filter cake is not convenient for entering the subsequent drying oven for drying, and the water in the filter cake is more difficult to be dried and volatilized in the drying oven. The block filter cake also occupies too much space in the drying oven, which is not conducive to the recycling of the filter cake. SUMMARY

[0003] The utility model solves the technical problem that the filter cake of the filter press is not convenient for entering the drying oven for drying. The utility model provides a filter cake breaking device of filter press which can break the filter cake of the filter press.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A filter cake breaking device of filter press, comprising a supporting mechanism, a belt conveyor for conveying filter cake is installed on the supporting mechanism, the front end of the belt conveyor is set as a feeding end, the rear end is set as a discharging end, and a cake breaking mechanism is installed above the belt conveyor, the cake breaking mechanism comprises an actuating cylinder and a plurality of cake breaking teeth installed on the output end of the actuating cylinder, the actuating cylinder and the cake breaking teeth are respectively installed vertically relative to the conveying direction of the belt conveyor, and under the drive of the actuating cylinder, the cake breaking teeth are inserted into or withdrawn from the filter cake on the belt conveyor.

[0006] In this way, the filter cake of the filter press can be broken by repeatedly inserting or withdrawing the plurality of cake breaking teeth into the filter cake for multiple times.

[0007] Preferably, the belt conveyor comprises a belt and a transmission wheel, the transmission wheel is installed at both ends of the supporting mechanism, the belt is wound around the transmission wheel, and the transmission wheel is connected to a power mechanism.

[0008] Preferably, the belt comprises an upper belt and a lower belt, a plurality of first sliding rollers are installed under the upper belt, and a plurality of second sliding rollers are installed under the lower belt, so as to reduce the friction between the belt and the supporting mechanism, and make the belt conveyor run more smoothly and stably.

[0009] Preferably, the first sliding roller comprises a first sub-sliding roller, a second sub-sliding roller and a third sub-sliding roller connected in sequence, the second sub-sliding roller is horizontally installed, the first sub-sliding roller and the third sub-sliding roller are symmetrically installed at two ends of the second sub-sliding roller, and the first sub-sliding roller and the third sub-sliding roller respectively form an angle of 15-60 degrees with the horizontal plane, so that the middle part of the upper belt is concave, to avoid the filter cake from the belt in the crushing process, and to increase the conveying capacity of the filter cake powder after crushing.

[0010] Preferably, the actuator cylinder is a pneumatic cylinder.

[0011] Preferably, a speed regulating valve for controlling the actuating speed of the output end of the actuator cylinder is installed on the actuator cylinder, to control the crushing speed.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can drive the filter cake teeth to rise and fall through the actuator cylinder, so that the filter cake of the filter press on the belt conveyor is crushed, the moisture of the filter cake after crushing can be evaporated faster, the one-time drying capacity is improved, the drying efficiency is improved, and the drying energy is saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is a front view structural schematic diagram of the filter cake breaking device of the filter press of the utility model.

[0016] Figure 2 It is a crushing position sectional view structural schematic diagram of the filter cake breaking device of the filter press of the utility model. DETAILED DESCRIPTION

[0017] The utility model will be further described below in combination with specific preferred embodiments, but the protection scope of the utility model is not limited by this.

[0018] In the description of the utility model, it needs to explain, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the restriction of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Please refer to Figure 1 、 Figure 2 The utility model filter cake breaker device one embodiment of filter press includes support mechanism 3, the support mechanism 3 is installed for conveying filter cake belt conveyor 2.

[0021] The belt conveyor 2 includes belt 21 and transmission wheel 22, the both ends of the support mechanism 3 are installed transmission wheel 22 respectively, the belt 21 is wound on the transmission wheel 22, the transmission wheel 22 is connected power mechanism, and the transmission wheel 22 is driven by power mechanism, and the transmission wheel 22 drives the belt 21 to circulate and convey filter cake.

[0022] The belt 21 includes upper layer belt 211 and lower layer belt 212. The lower surface of the upper layer belt 211 is installed with a plurality of first sliding rollers 23, and the lower surface of the lower layer belt 212 is installed with a plurality of second sliding rollers 24, so as to reduce the friction between the belt 21 and the support mechanism 3, and make the belt conveyor 2 run more smoothly and stably.

[0023] The first sliding roller 23 includes first sub sliding roller 231, second sub sliding roller 232 and third sub sliding roller 233 connected in sequence, the second sub sliding roller 232 is horizontally installed, the first sub sliding roller 231 and the third sub sliding roller 233 are symmetrically installed at the both ends of the second sub sliding roller 232, and the first sub sliding roller 231 and the third sub sliding roller 233 respectively form an angle of 15-60 degrees with the horizontal plane, so that the middle part of the upper layer belt 211 is concave, so as to avoid that the filter cake is separated from the belt 21 during the breaking process, and increase the conveying capacity of the filter cake powder after breaking.

[0024] The front end of the belt conveyor 2 is provided as a feeding end 25, and the rear end is provided as a discharging end 26.

[0025] The upper part of the belt conveyor 2 is provided with a cake breaking mechanism 1. The cake breaking mechanism 1 comprises an actuating cylinder 11 and a plurality of cake breaking teeth 12 mounted on the output end of the actuating cylinder 11. The actuating cylinder 11 and the cake breaking teeth 12 are vertically arranged relative to the conveying direction of the belt conveyor 2. Under the driving of the actuating cylinder 11, the cake breaking teeth 12 repeatedly insert into or withdraw from the filter cake on the belt conveyor 2, so as to break the filter cake.

[0026] The actuating cylinder 11 is preferably a pneumatic cylinder.

[0027] The actuating cylinder 11 is provided with a speed regulating valve 13 for controlling the actuating speed of the output end of the actuating cylinder, so as to facilitate the control of the breaking speed of the cake breaking teeth 12.

[0028] In use, the belt conveyor 2 is first started, and then the filter cake is uniformly discharged from the filter cake outlet of the filter press onto the upper belt 211. The upper belt 211 rotates at a uniform speed, and when the cake breaking area is reached, the actuating valve 11 of the cake breaking mechanism 1 is opened, and the actuating valve 11 drives the cake breaking teeth 12 to rise and fall at a uniform speed. In this process, the breaking speed of the cake breaking teeth 12 is controlled by the speed regulating valve 13. Thus, the filter cake can be broken by the continuous contact between the cake breaking teeth 12 and the filter cake, so as to achieve the purpose of breaking the filter cake.

[0029] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make many possible changes and modifications to the technical content disclosed above, or modify it into equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application shall fall within the protection scope of the technical solution of the present application.

Claims

1. A filter cake breaking device for a filter press, comprising a support mechanism, characterized in that: A belt conveyor for conveying filter cakes is installed on the supporting mechanism, the front end of the belt conveyor is set as the feeding end, and the rear end is set as the discharging end, and a cake breaking mechanism is installed above the belt conveyor, the cake breaking mechanism includes an actuating cylinder and a plurality of cake breaking teeth installed at the output end of the actuating cylinder, the actuating cylinder and the cake breaking teeth are respectively installed vertically relative to the conveying direction of the belt conveyor, and under the drive of the actuating cylinder, the cake breaking teeth are inserted into or withdrawn from the filter cake on the belt conveyor.

2. The filter cake breaking device for filter press according to claim 1, characterized in that: The belt conveyor includes a belt and a transmission wheel. The transmission wheels are respectively installed at both ends of the supporting mechanism. The belt is wound around the transmission wheels, and the transmission wheels are connected to the power mechanism.

3. The filter cake breaking device for filter press according to claim 2, characterized in that: The belt comprises an upper belt and a lower belt, a plurality of groups of first sliding rollers are installed under the upper belt, and a plurality of groups of second sliding rollers are installed under the lower belt.

4. The filter cake breaking device for filter press according to claim 3, characterized in that: The first sliding roller includes a first sliding roller, a second sliding roller, and a third sliding roller connected in series in sequence. The second sliding roller is installed horizontally. The first sliding roller and the third sliding roller are installed symmetrically at both ends of the second sliding roller. The first sliding roller and the third sliding roller respectively form an angle of 15-60 degrees with the horizontal plane, so that the middle part of the upper belt is concave.

5. The filter cake breaking device for a filter press according to any one of claims 1 to 4, characterized in that: The actuating cylinder is a pneumatic cylinder.

6. The filter cake breaking device for a filter press according to any one of claims 1 to 4, characterized in that: A speed regulating valve for controlling the actuating speed of the output end of the actuating cylinder is installed on the actuating cylinder.

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