A distribution head structure for a filter washing drying pressure filter apparatus

Abstract

The application relates to a distribution head structure of a filter washing and drying pressure filter equipment, and solves the problems that the existing distribution head structure of the filter washing and drying pressure filter equipment is complex, the cost is high, and the multifunctional requirement cannot be met. The distribution head structure comprises a shell, a rotor and a motor for driving the rotor to rotate, the shell is provided with a feeding cavity and a discharging cavity, a friction disc is arranged at the feeding port of the discharging cavity, a friction disc feeding port is arranged on the friction disc, the rotor comprises a rotor base, a filter groove, a transition disc and a tube bank, during work, different materials are continuously and pressurized filtered on the pressure filter drum from the feeding cavity, the filtration, washing, pre-drying and discharging of the filtrate are respectively processed in specific different pressure area unit chambers, the separated filter cake, filtrate and drying gas are distributed to different pipelines by the distribution head, and can be respectively recycled, so that the industrial multipurpose requirement is met; in addition, the structure is simple, the wearing parts only comprise the friction disc, the replacement is simple, and the cost is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of chemical filtering, in particular to a distribution head structure of a filtering, washing, drying and pressure filter device. BACKGROUND

[0002] The existing filtering, washing, drying and pressure filter device has the problem that different slurry washing liquid or gas enters the filtering unit on the rotor through the inlet, and the washing liquid or gas is continuously filtered under pressure on the pressure filter drum, and the filtering, washing, pre-drying and unloading of the filtrate are processed in different pressure area unit chambers respectively, so there is an urgent need for a distribution head that meets the filtering, washing, pre-drying and unloading functions of the filtering, washing, drying and pressure filter device. The existing distribution head has the problems of single function, complex structure and high cost, and cannot meet the multi-functional requirements. In addition, the column tube is prone to leakage during the rotation of the rotor, and maintenance is not convenient. SUMMARY

[0003] The present application aims to solve the problem of the complex structure, high cost and inability to meet the multi-functional requirements of the existing distribution head structure of the filtering, washing, drying and pressure filter device.

[0004] To solve the technical problems proposed in the present application, the technical solution adopted is as follows: the distribution head structure of the feeding, filtering, washing, drying and pressure filter device of the present application comprises a shell, a rotor and a motor for driving the rotor to rotate, the rotor is arranged in the shell, the shell is provided with one or more feeding cavities and one or more discharging cavities, the feeding port of the discharging cavity is provided with a friction disc, the friction disc is provided with a friction disc feeding port in communication with the discharging cavity, the rotor comprises a rotor base, one or more filter grooves, a transition disc and one or more column tubes, each filter groove is provided with a column tube, the bottom of the filter groove is provided with filter cloth, the shell is provided with a filter cake outlet in communication with the outer periphery of the rotor base, one side of the rotor base is fixedly provided with a rotating shaft, the rotating shaft is fixedly connected with the main shaft of the motor, the transition disc is sleeved on the rotating shaft, the transition disc is fixedly connected with the rotor base, one end of the column tube is connected with the inner wall of the rotor base, the other end is connected with the transition disc, the rotor base is provided with a column tube feeding port corresponding to the column tube, the column tube feeding port is provided corresponding to the filter cloth, the transition disc is provided with a column tube discharging port corresponding to the column tube, the column tube discharging port is provided corresponding to the friction disc feeding port, the transition disc is sealingly connected with the friction disc in rotation, the discharging cavity is connected with a discharging pipe, and one discharging cavity corresponds to at least one column tube.

[0005] The technical solution further limited by the present application includes:

[0006] Each feeding cavity is provided with at least one filter groove.

[0007] Two or more column tubes are uniformly arranged along the circumference with the rotating shaft as the center.

[0008] The shell is internally provided with an adjusting mechanism for adjusting the tightness of the friction disc and the transition disc, the adjusting mechanism comprises a spring, a pressing plate and a jackscrew for pushing the pressing plate to compress the spring and the friction plate, the spring is located between the friction disc and the pressing plate, and the shell is provided with a threaded hole matched with the jackscrew.

[0009] The shell is provided with a protective cover for sealing the discharging cavity in the shell, and the protective cover is detachably connected with the shell.

[0010] The shell is a barrel-shaped shell with an open end, the protective cover is detachably and sealingly connected with the open end of the shell through screws, and the motor shaft is fixedly connected with the rotor through the protective cover.

[0011] Two or more feeding cavities are uniformly arranged along the circumference centering on the rotating shaft.

[0012] The feeding cavity comprises one or more slurry feeding cavities and one or more gas feeding cavities or liquid feeding cavities.

[0013] The filter cake outlet is located at the bottom of the shell, and the filter cake outlet is a vertically downward pipeline, and the feeding end of the filter cake outlet is in communication with the outer periphery of the rotor base.

[0014] The friction disc is made of non-metal with high wear resistance, high temperature resistance and high strength.

[0015] Through the above technical scheme, the beneficial effects of the present application are as follows: the distribution head structure of the filter washing and drying pressure filter equipment of the present application can continuously and pressurizedly filter different materials from the feeding cavities on the pressure filter drum, and can separately process the filtration, washing, pre-drying and discharging of the filtrate in specific different pressure area units, and the separated filter cake, filtrate and drying gas can be distributed to different pipelines by the distribution head and can be respectively recovered, thereby meeting the industrial multipurpose requirements; in addition, the structure is simple, the wearing parts only include the friction disc, and the replacement is simple and the cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a partial cutaway structure schematic view of the side center of the distribution head structure of the filter washing and drying pressure filter equipment of the present application.

[0017] Figure 2 FIG. 2 is a cutaway structure schematic view of the end feeding cavity of the distribution head structure of the filter washing and drying pressure filter equipment of the present application. DETAILED DESCRIPTION

[0018] The structure of the present application is further described below in combination with the drawings.

[0019] REFERENCE Figure 1 and Figure 2The distribution head structure of a filter washing drying pressure filter equipment comprises a shell 10, a rotor 20 and a motor 30 for driving the rotor to rotate, the rotor is arranged in the shell, the shell 10 is provided with more than one feeding cavity 11 and more than one discharging cavity 12, in the embodiment, more than two feeding cavities are arranged uniformly along the circumference with the rotation shaft as the center, so that the overall force of the shell is uniformly distributed and the operation is stable. In the embodiment, the feeding cavity 11 comprises more than one slurry feeding cavity 111 and more than one gas feeding cavity or liquid feeding cavity 112. The slurry feeding cavity is used for feeding slurry, and the gas feeding cavity or liquid feeding cavity is used for feeding gas or liquid. The feeding port of the discharging cavity is provided with a friction disc 40, the friction disc 40 is provided with a friction disc feeding port 41 which is in communication with the discharging cavity, the rotor 20 comprises a rotor base 21, more than one filter groove 22, a transition disc 23 and more than one tube bank 24, in the embodiment, the friction disc is made of non-metal with high wear resistance, high temperature resistance and high strength. Each filter groove is provided with a corresponding tube bank, in the embodiment, each feeding cavity is provided with at least one filter groove. So that each feeding cavity has a corresponding filter groove, the feeding efficiency is improved, and the number of filter grooves corresponding to the feeding cavities can be set according to the needs in specific implementation. The bottom of the filter groove is provided with a filter cloth 25, the shell 10 is provided with a filter cake outlet 13 which is in communication with the outer periphery of the rotor base, one side of the rotor base is fixedly provided with a rotation shaft 50, the rotation shaft 50 is fixedly connected with the main shaft of the motor, the transition disc 23 is sleeved on the rotation shaft, the transition disc is fixedly connected with the rotor base, one end of the tube bank 24 is connected with the inner wall of the rotor base, and the other end is connected with the transition disc, in the embodiment, more than two tube banks are arranged uniformly along the circumference with the rotation shaft as the center. So that the overall weight of the rotor is uniformly distributed, and the rotor can rotate stably. The rotor base 21 is provided with a tube bank feeding port 211 corresponding to the tube bank, the tube bank feeding port is arranged corresponding to the filter cloth, the material is filtered through the filter cloth and then enters the tube bank through the tube bank feeding port on the rotor base, the transition disc 23 is provided with a tube bank discharging port 231 corresponding to the tube bank, the tube bank discharging port is arranged corresponding to the friction disc feeding port 41, the transition disc is sealingly connected with the friction disc in rotation, the discharging cavity 12 is connected with a discharging pipe, and one discharging cavity corresponds to at least one tube bank. In the embodiment, the filter cake outlet 12 is located at the bottom of the shell, the filter cake outlet is a vertical downward pipe, the feeding end of the filter cake outlet is in communication with the outer periphery of the rotor base. When it is necessary to unload, gas is introduced from the tail of the tube bank to blow the filter cake on the filter cloth, so that the filter cake falls off, and when the filter groove rotates to the filter cake outlet position, the falling filter cake falls off from the filter cake outlet and is recovered.

[0020] In the embodiment, the shell 10 is provided with an adjusting mechanism 60 for adjusting the tightness of the friction disc and the transition disc, the adjusting mechanism 60 comprises a spring 61, a pressing plate 62 and a jackscrew 63 for pushing the pressing plate to compress the spring and the friction plate, the spring is located between the friction disc and the pressing plate, and the shell is provided with a threaded hole matched with the jackscrew. The jackscrew is screwed on the threaded hole, when it is needed to adjust the tightness between the friction plate and the transition disc, the jackscrew is rotated to push the pressing plate to compress the friction plate and the transition disc, and the jackscrew is reversely adjusted to loosen the friction plate and the transition disc. The friction plate is a consumable part, when the friction plate is damaged, the jackscrew is adjusted to loosen the friction plate and the transition disc, and the friction plate is disassembled and replaced, thereby facilitating maintenance.

[0021] In the embodiment, the shell 10 is provided with a shield 70 for sealing the discharging cavity in the shell, and the shield is detachably connected with the shell. The shell is a barrel-shaped shell with an open end, the shield is detachably and sealingly connected with the open end of the shell through screws, and the motor shaft is fixedly connected with the rotor through the shield. The shield is sleeved on the motor shaft, and the shield and the motor shaft are sealingly and rotatably connected through a sealing ring. The shield seals the discharging cavity in the shell, thereby preventing material leakage.

[0022] The distribution head structure of the filter washing and drying pressure filter equipment of the present application is used in the continuous pressure filtration of different materials from the feeding cavity on the pressure filter drum, liquid can be introduced into the feeding cavity for washing, and high-temperature gas can be introduced into the feeding cavity for drying, the filtered filter cake can be back-flushed and then dropped through the filter cake outlet for recycling, so that the filtration, washing, pre-drying and discharging of the filtrate are respectively processed in specific different pressure area unit chambers, the separated filter cake, filtrate and drying gas are distributed to different pipelines by the distribution head and can be respectively recycled, thereby meeting the industrial multipurpose requirements; in addition, the structure is simple, compact and reasonable, the easy-to-damage parts only include the friction disc, replacement is simple and the cost is low. The overall structure is multifunctional, high in production efficiency, energy-saving and emission-reducing.

[0023] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In addition, the terms "first", "second", etc. are used only to describe the purpose and should not be understood as indicating or implying relative importance or implying a number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0027] Although the specific embodiments of the present application are described in detail in conjunction with the accompanying drawings, it should not be understood as limiting the scope of protection of the present application. Various modifications and variations made by those skilled in the art within the scope described in the claims are still within the scope of protection of the present application.

Claims

1. A distribution head structure for a filter wash dry pressure filter plant, characterized by: The distribution head structure comprises a shell, a rotor and a motor driving the rotor to rotate, the rotor is arranged in the shell, the shell is provided with one or more than one feeding cavity and one or more than one discharging cavity, the feeding port of the discharging cavity is provided with a friction disc, the friction disc is provided with a friction disc feeding port in communication with the discharging cavity, the rotor comprises a rotor base, one or more than one filter groove, a transition disc and one or more than one tube array, each filter groove is arranged corresponding to one tube, the bottom of the filter groove is provided with filter cloth, the shell is provided with a filter cake outlet in communication with the outer periphery of the rotor base, one side of the rotor base is fixedly provided with a rotating shaft, the rotating shaft is fixedly connected with the motor main shaft, the transition disc is sleeved on the rotating shaft, the transition disc is fixedly connected with the rotor base, one end of the tube array is connected with the inner wall of the rotor base, the other end is connected with the transition disc, the rotor base is provided with a tube array feeding port corresponding to the tube array, the tube array feeding port is arranged corresponding to the filter cloth, the transition disc is provided with a tube array discharging port corresponding to the tube array, the tube array discharging port is arranged corresponding to the friction disc feeding port, the transition disc is sealingly connected with the friction disc in rotation, the discharging cavity is connected with a discharging pipe, and one discharging cavity corresponds to at least one tube; each feeding cavity is arranged corresponding to at least one filter groove; the shell is provided with an adjusting mechanism for adjusting the tightness of the friction disc and the transition disc, the adjusting mechanism comprises a spring, a pressing plate and a jackscrew driving the pressing plate to press the spring and the friction plate, the spring is located between the friction disc and the pressing plate, the shell is provided with a threaded hole matched with the jackscrew; the feeding cavity comprises one or more than one slurry feeding cavity and one or more than one gas feeding cavity or liquid feeding cavity.

2. A distributor head structure for a filter washer-dryer pressure filter apparatus as claimed in claim 1, characterized in that: Two or more than two tube arrays are uniformly arranged along the circumference with the rotating shaft as the center.

3. A distributor head structure for a filter washer-dryer pressure filter apparatus as defined in claim 1, wherein: The shell is provided with a shield for sealing the discharging cavity in the shell, and the shield is detachably connected with the shell.

4. A distributor head structure for a filter washer-dryer pressure filter apparatus as defined in claim 3, wherein: The shell is a barrel-shaped shell with one open end, the shield is detachably sealingly connected with the open end of the shell through screws, and the motor shaft is fixedly connected with the rotor through the shield.

5. A distributor head structure for a filter washer dryer pressure filter apparatus as claimed in claim 1, wherein: Two or more than two feeding cavities are uniformly arranged along the circumference with the rotating shaft as the center.

6. A distributor head structure for a filter washer dryer pressure filter apparatus as claimed in claim 1, characterised in that: The filter cake outlet is located at the bottom of the shell, and the filter cake outlet is a vertically downward pipeline, and the feeding end of the filter cake outlet is arranged in communication with the outer periphery of the rotor base.

7. A distributor head structure for a filter washer dryer pressure filter apparatus as claimed in claim 1, wherein: The friction disc is made of non-metal with high strength, high temperature resistance and wear resistance.

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