CN211158736U - Discharging device of plate-and-frame filter press - Google Patents
Discharging device of plate-and-frame filter press Download PDFInfo
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- CN211158736U CN211158736U CN201921642060.8U CN201921642060U CN211158736U CN 211158736 U CN211158736 U CN 211158736U CN 201921642060 U CN201921642060 U CN 201921642060U CN 211158736 U CN211158736 U CN 211158736U
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Abstract
The utility model relates to a plate-frame filter press unloading device, which comprises a material guide groove and a bidirectional double-shaft screw conveyor, wherein the material guide groove comprises a groove body with a certain gradient in the middle part, flushing water pipes are arranged around the inner wall of the upper part of the groove body, the water inlet ends of the flushing water pipes extend out of the groove body and are communicated with a flushing water source, and flushing holes are uniformly distributed under the flushing water pipes; a crushing grid is arranged in the middle of the tank body and is connected with the inner wall of the tank body through an elastic pad; the two-way double-shaft screw conveyor is arranged below the guide chute, and the outlet end of the guide chute is communicated with the two-way double-shaft screw conveyor through a flange. The utility model has the advantages that: the utility model discloses the device can realize that the material washes again and unloads, improves the site operation environment and reduces the cost of labor.
Description
Technical Field
The utility model belongs to the technical field of the material is carried, in particular to plate and frame filter press discharge apparatus.
Background
At present, plate and frame filter presses generally unload manually and/or simply carry by screw, the cost of manpower and labor is high, and if the filter cakes pressed are dry, the screw conveyer is likely to be blocked.
The washing effect of the plate-and-frame filter press on the materials is not ideal for the materials with higher requirements; the materials filtered and washed by the plate-and-frame filter press often need to be returned to the kettle for washing again; at present, most of the materials are manually fed, the cost is high, and the field operation environment is severe.
In view of the above, there is a need to design a device that overcomes these difficulties by a simple combination and design of the device.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a plate and frame filter press discharge apparatus can realize that the material washes again and unloads, improves the site operation environment and reduces the cost of labor.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a plate and frame filter press discharge apparatus, its innovation point lies in: comprises that
The guide chute comprises a chute body with a certain gradient in the middle, flushing water pipes are arranged around the inner wall of the upper part of the chute body, the water inlet ends of the flushing water pipes extend out of the chute body and are communicated with a flushing water source, and flushing holes are uniformly distributed right below the flushing water pipes; a crushing grid is arranged in the middle of the tank body and is connected with the inner wall of the tank body through an elastic pad;
the bidirectional double-shaft screw conveyor is arranged below the guide chute, and the outlet end of the guide chute is communicated with the bidirectional double-shaft screw conveyor through a flange; the bidirectional double-shaft spiral conveyor comprises a variable frequency motor, a coupler, a conveyor shell and two spiral conveying shafts arranged in the conveyor shell in parallel, wherein spiral blades are arranged on the two spiral conveying shafts; the variable frequency motor is connected with one of the spiral conveying shafts through the coupler, a driving wheel is sleeved on one end, close to the coupler, of the spiral conveying shaft, a driven wheel meshed with the driving wheel is sleeved on one end, close to the coupler, of the other spiral conveying shaft, and the driving wheel and the driven wheel are arranged inside the conveyor shell; the tail ends of the two spiral conveying shafts are respectively provided with a supporting bearing for being connected to the conveyor shell, a dry material outlet communicated with the conveyor shell is arranged below the front end of the conveyor shell, and a wet material outlet communicated with the conveyor shell is also arranged below the rear end of the conveyor shell.
Further, the spiral blades on the two spiral conveying shafts are arranged in a crossed mode.
Further, the dry material outlet and the wet material outlet are arranged at a certain height difference.
The utility model has the advantages that:
(1) the plate and frame filter press unloading device of the utility model has the advantages that the plate and frame filter press unloading enters the screw conveyor through the material guide groove, the middle part of the material guide groove is provided with the crushing grid, the material coming out of the plate and frame filter press is preliminarily crushed, and the resistance of the screw conveyor is reduced; the spiral conveyor adopts bidirectional conveying and is divided into a dry material outlet and a wet material outlet, the dry material outlet is used for bagging, the wet material outlet is used for returning the materials to the kettle for reprocessing, if the material washing in the plate frame does not meet the requirement, the materials are conveyed in the forward direction and returned to the kettle for reprocessing, and a washing pipe on the upper part of the guide chute is opened simultaneously when the materials return to the kettle, so that the solid materials and water are mixed into slurry and conveyed back to the kettle through a pipeline; in addition, the conveying amount of the solid materials is controlled by adopting a variable frequency motor, so that the material blocking site is prevented, the materials can be washed and unloaded again, the site operation environment is improved, and the labor cost is reduced;
(2) the utility model discloses a plate and frame filter press unloading device, wherein, the helical blades on the two helical conveying shafts are arranged in a crossed manner, and the material is further crushed by adopting double helix pair stirring;
(3) the utility model discloses plate and frame filter press discharge apparatus, wherein, there is the difference in height in screw conveyer drier export and the export of wet material, and it is more smooth and easy that liquid flows to make the material return the cauldron and wash again like this.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Figure 1 is the utility model discloses plate and frame filter press discharge apparatus's elevation view.
Figure 2 is the utility model discloses plate and frame filter press discharge apparatus's side view.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
Examples
The discharging device of the plate-and-frame filter press in the embodiment comprises a material guide chute as shown in fig. 1 and 2, wherein the material guide chute comprises a chute body 1 with a gradient larger than or equal to 1 in the middle, a flushing water pipe 2 is arranged around the inner wall of the upper part of the chute body 1, and the flushing water pipe 2 is a steel pipe of DN 50; the water inlet end of the flushing water pipe 2 extends out of the tank body 1 and is communicated with a flushing water source, and flushing holes 7 with the diameter of 6mm are uniformly distributed in every 20cm under the flushing water pipe 2; the middle part of the tank body 1 is provided with a crushing grid 3 with the size of 500cm x 10cm, and the crushing grid 3 is connected with the inner wall of the tank body 1 through an elastic pad.
The bidirectional double-shaft screw conveyor is arranged below the guide chute, and the outlet end of the guide chute is communicated with the bidirectional double-shaft screw conveyor through a flange; the bidirectional double-shaft screw conveyor comprises a variable frequency motor 8, a coupler 9, a conveyor shell 4 and two screw conveying shafts 10 which are arranged in the conveyor shell in parallel, wherein the two screw conveying shafts 10 are both provided with screw blades 11, and the screw blades 11 on the two screw conveying shafts 10 are arranged in a crossed manner; the variable frequency motor 8 is connected with one of the spiral conveying shafts 10 through the coupler 9, one end of the spiral conveying shaft 10 close to the coupler 9 is sleeved with a driving wheel 12, one end of the other spiral conveying shaft 10 close to the coupler 9 is sleeved with a driven wheel 13 meshed with the driving wheel 12, and the driving wheel 12 and the driven wheel 13 are arranged inside the conveyor shell 4; the tail ends of the two spiral conveying shafts 10 are respectively provided with a supporting bearing 14 for being connected to the conveyor shell body 4, a dry material outlet 6 communicated with the conveyor shell body 4 is arranged below the front end of the conveyor shell body 4, a wet material outlet 5 communicated with the conveyor shell body 4 is also arranged below the rear end of the conveyor shell body 4, and the height difference between the dry material outlet 6 and the wet material outlet 5 is 15 cm.
Example of operation
Take the product unloading in the production of iron phosphate as an example
The discharging device of the plate-and-frame filter press is positioned below the iron phosphate product filter press; the wet material outlet 5 is connected to a reaction kettle through a pipeline, the reaction kettle is positioned below the bidirectional double-shaft screw conveyor, and wet materials can flow back to the reaction kettle through a potential difference; the sulfate ions in the product in the iron phosphate production are washed by a plate-and-frame filter press and still cannot meet the process requirements; it is necessary to wash again.
The method comprises the following steps: starting a bidirectional double-shaft screw conveyor to convey forwards; starting washing water; unloading by a plate-and-frame filter press;
step two: the iron phosphate filter cake part directly falls on the crushing grid 3; the crushed materials enter a bidirectional double-shaft screw conveyor to be conveyed after being crushed by a crushing grid 3; one part falls on a guide chute and is washed by washing water to enter a bidirectional double-shaft spiral conveyor; mixing the slurry in a bidirectional double-shaft screw conveyor, and flowing back to the reaction kettle through a wet material outlet 5;
step three: stirring uniformly in a reaction kettle, and continuously washing and filtering; the sulfate ion content of the product meets the process requirements; (if not satisfied with repeating step one, step two, step three)
Step four: then the two-way double-shaft screw conveyor is switched to carry out reverse conveying, and the materials are discharged from the dry material outlet 6 and bagged.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a plate and frame filter press discharge apparatus which characterized in that: comprises that
The guide chute comprises a chute body with a certain gradient in the middle, flushing water pipes are arranged around the inner wall of the upper part of the chute body, the water inlet ends of the flushing water pipes extend out of the chute body and are communicated with a flushing water source, and flushing holes are uniformly distributed right below the flushing water pipes; a crushing grid is arranged in the middle of the tank body and is connected with the inner wall of the tank body through an elastic pad;
the bidirectional double-shaft screw conveyor is arranged below the guide chute, and the outlet end of the guide chute is communicated with the bidirectional double-shaft screw conveyor through a flange; the bidirectional double-shaft spiral conveyor comprises a variable frequency motor, a coupler, a conveyor shell and two spiral conveying shafts arranged in the conveyor shell in parallel, wherein spiral blades are arranged on the two spiral conveying shafts; the variable frequency motor is connected with one of the spiral conveying shafts through the coupler, a driving wheel is sleeved on one end, close to the coupler, of the spiral conveying shaft, a driven wheel meshed with the driving wheel is sleeved on one end, close to the coupler, of the other spiral conveying shaft, and the driving wheel and the driven wheel are arranged inside the conveyor shell; the tail ends of the two spiral conveying shafts are respectively provided with a supporting bearing for being connected to the conveyor shell, a dry material outlet communicated with the conveyor shell is arranged below the front end of the conveyor shell, and a wet material outlet communicated with the conveyor shell is also arranged below the rear end of the conveyor shell.
2. The filter press unloading apparatus of claim 1, wherein: the spiral blades on the two spiral conveying shafts are arranged in a crossed manner.
3. The filter press unloading apparatus of claim 1, wherein: the dry material outlet and the wet material outlet are arranged at a certain height difference.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921642060.8U CN211158736U (en) | 2019-09-29 | 2019-09-29 | Discharging device of plate-and-frame filter press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921642060.8U CN211158736U (en) | 2019-09-29 | 2019-09-29 | Discharging device of plate-and-frame filter press |
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Publication Number | Publication Date |
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CN211158736U true CN211158736U (en) | 2020-08-04 |
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Application Number | Title | Priority Date | Filing Date |
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CN201921642060.8U Active CN211158736U (en) | 2019-09-29 | 2019-09-29 | Discharging device of plate-and-frame filter press |
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CN (1) | CN211158736U (en) |
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2019
- 2019-09-29 CN CN201921642060.8U patent/CN211158736U/en active Active
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