CN216922669U - Double-pump-head type dual-purpose mixed hydraulic station of efficient automatic filter press - Google Patents
Double-pump-head type dual-purpose mixed hydraulic station of efficient automatic filter press Download PDFInfo
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Abstract
The utility model relates to a double-pump-head type dual-purpose mixed hydraulic station of a high-efficiency automatic filter press, which has the key points of the innovative scheme that: the existing single-pump-head dual-purpose hybrid hydraulic station is improved into a dual-pump-head dual-purpose hybrid hydraulic station, and comprises a large electric oil pump set, a small electric oil pump set, a large integrated valve group, a small integrated valve group, a shared oil tank and a chassis; mainly improves a single pump head of a large electric oil pump group into double pump heads, improves a single oil inlet hole of a large integrated valve group into double oil inlet holes, and improves the adaptability of a shared oil tank and a chassis; the main technical parameters of the large electric oil pump set are optimized, and the motor power, the double-pump-head oil pumping quantity, the oil pumping efficiency and the hydraulic station performance of the large electric oil pump set are improved; the technical problems that the existing single-pump-head large electric oil pump set is small in oil pumping quantity and low in oil pumping efficiency, and when hydraulic oil is provided for a filter plate pressing mechanism, the telescopic speed of piston rods of double large oil cylinders is low, so that the pressing and loosening time of a filter plate is long, and the intermittent time and the production efficiency of a filter press are influenced are solved; the effect is obvious.
Description
Technical Field
The utility model belongs to the technical field of large-scale high-efficiency automatic filter presses (patent classification number B01D 25/12), and relates to a multi-mechanism shared mixed double-pump-head hydraulic station.
Background
The filter press is a pressurized filtering device with a plurality of filtering chambers operating intermittently; the automatic filter press is a filter press which is integrated mechanically, electrically and hydraulically and intelligently controlled by a PLC (programmable logic controller); the high-efficient automatic filter press is an automatic filter press with short intermittent time, fast operation circulation and high production efficiency, and is a development trend of filter presses, such as short pressing and loosening time of filter plates; a large-scale high-efficiency automatic filter press, which is a high-efficiency automatic filter press with an effective filter area of more than 750m and filter plate sizes of more than 2000mm multiplied by 2000 mm; the filter mainly comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter-chamber filtering mechanism, a plate pulling and cake unloading mechanism, a filter cloth cleaning mechanism, a turning plate liquid receiving mechanism and a PLC program control system; the device is suitable for high-efficiency automatic solid-liquid separation of various suspension materials (namely, a mixture of liquid and solid particles).
The filter plate pressing mechanism is driven by large double oil cylinders, shares a mixed dual-purpose hydraulic station with the flap liquid receiving mechanism, and mainly comprises the large hydraulic station, the large double oil cylinders, a hydraulic oil pipe, a pressing plate (namely a push plate) and a pressing stroke limiting device; the large double-oil cylinder comprises a cylinder barrel, a cylinder cover, a piston rod, a piston, a guide sleeve and a buffer device; the large double oil cylinder is arranged on the tailstock, and the piston rod is connected with a pressure plate (push plate) and has the functions of automatically compressing and releasing the filter plate.
The turning plate liquid receiving mechanism is driven by a small single oil cylinder, shares a mixed dual-purpose hydraulic station with the filter plate pressing mechanism, and mainly comprises the small hydraulic station, the small oil cylinder, a hydraulic oil pipe, a double turning plate (comprising a flow guide groove), a double turning plate linkage rod, mounting accessories and the like; the double turning plates comprise an active turning plate, a passive turning plate, a turning plate rotating shaft, a rotating shaft seat of the turning plate rotating shaft and a driving shifting fork; the whole body is arranged below the multi-filter chamber filtering mechanism; has the functions of automatically combining the plate to receive liquid (blocking the capillary seepage of the filter cloth and washing the water) and opening the plate to drop cakes.
The mixed dual-purpose hydraulic station, namely a single-pump-head dual-purpose mixed hydraulic station shared by a filter plate pressing mechanism and a turning plate liquid receiving mechanism (as a patent 202111236877.7), comprises a large electric oil pump set (with the motor power of 18.5 KW and the oil pump discharge capacity of 160 ml/r), a small electric oil pump set, a dual-purpose oil tank, an oil tank cover, a hydraulic station chassis, a large integrated valve group and a small integrated valve group (comprising an integrated valve main body, an electromagnetic reversing valve, a pressure reducing valve, an overflow valve, an electromagnetic speed regulating valve and an electromagnetic overflow valve), a manual ball valve, a side oil receiving disc, an oil return filter, a liquid level meter and an air filter; the main technical parameters comprise motor power and oil tank capacity (effective oil storage capacity); the hydraulic oil can be respectively provided and controlled for a large oil cylinder of the filter plate pressing mechanism and a small oil cylinder of the flap liquid receiving mechanism.
The existing single-pump-head dual-purpose mixed hydraulic station has the following defects: the existing mixed dual-purpose hydraulic station adopts a single pump head large electric oil pump set (the motor power is 18.5 KW and the oil pump discharge capacity is 160 ml/r) to drive double large oil cylinders of a filter plate pressing mechanism, the large oil cylinder piston rod has a lower stretching speed, so that the pressing and loosening time of a filter plate is longer, and the intermittent time and the production efficiency of a filter press are influenced; the requirement of high-efficiency production (short intermittent time) by users cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the existing single-pump-head dual-purpose mixed hydraulic station, solve the technical problems that the existing single-pump-head large electric oil pump set has small oil pumping quantity and low oil pumping efficiency, and the hydraulic oil provided for a filter plate pressing mechanism enables the telescopic speed of piston rods of double large oil cylinders to be slow, so that the pressing and loosening time of the filter plate is long, and the intermittent time and the production efficiency of a filter press are influenced, and provide the dual-pump-head dual-purpose mixed hydraulic station of the high-efficiency automatic filter press; the dual-purpose-the filter plate pressing mechanism and the turning plate liquid receiving mechanism are shared; mixing, namely, mixing the upper part of a single small electric oil pump group and the side part of a single large electric oil pump group; it is abbreviated because the number of words in patent name is limited.
The utility model solves the problems of the prior art and adopts the innovative technical scheme that: the main points of the overall technical scheme are that compared with the prior art, the innovative overall structure has the prominent substantive characteristics that: the existing single-pump-head type dual-purpose mixed hydraulic station is improved into a dual-pump-head type dual-purpose mixed hydraulic station, and the dual-pump-head type dual-purpose mixed hydraulic station comprises a large electric oil pump set (namely an electric double pump set for a pulling plate), a small electric oil pump set (namely an electric single pump set for a turning plate), a large integrated valve group, a small integrated valve group, a hydraulic station chassis, a shared oil tank, an oil tank cover, a side oil receiving disc, an air filter, an oil return filter, a manual ball valve, a liquid level meter and a flexible connector; mainly improves a single-pump head type large electric oil pump group into a double-pump head type large electric oil pump group, improves a single-oil-inlet type large integrated valve group into a double-oil-inlet type large integrated valve group, and improves the adaptability of a hydraulic station chassis and a shared oil tank; the main technical parameters of the double-pump-head large electric oil pump set are optimized, the motor power, the double-pump-head oil pumping quantity and the oil pumping efficiency of the large electric oil pump set are improved, hydraulic oil is rapidly provided for double large oil cylinders of the filter plate pressing mechanism, the stretching speed of piston rods of the large oil cylinders is accelerated, and the pressing and loosening time of the filter plates is effectively shortened; therefore, the technical problems that the intermittent time and the production efficiency of the filter press are influenced due to the fact that hydraulic oil provided for the filter plate pressing mechanism and the telescopic speed of the piston rods of the double large oil cylinders are low and the pressing and loosening time of the filter plates is long due to the fact that the existing single-pump-head large electric oil pump set is small in oil pumping amount and low in oil pumping efficiency are solved.
The specific improved design scheme of the utility model is as follows: (1) the large electric oil pump set (namely the electric double pump set for the pulling plate) is a large horizontal electric oil pump set and comprises a large motor, a large pump head and a small pump head; the large motor is a YE3-225M-4 type 45KW high-efficiency energy-saving alternating current motor; the big pump head is a DNS-A4VS0270LR/30R-PPB12U34 type 270ml/R big displacement pump head; the small pump head is a DNS-A4VS0125LR/30R-PZB12N00 type 125ml/R large-displacement pump head; the oil pump is provided with a big pump oil outlet, a big pump oil pumping outlet and a big pump oil overflow outlet; the large motor, the large pump head and the small pump head are assembled into a large electric oil pump set; (2) the small electric oil pump set (namely the electric single pump set for the turning plate) comprises a small motor and a small oil pump; the small motor is a YYB100L1-4 type 2.2KW interpolation type oil pump alternating current motor; the small oil pump is a CBN-E308 type gear oil pump; the small motor and the small oil pump are assembled into a small electric oil pump set, which belongs to the prior art; (3) the large integrated valve group comprises a large valve main body, an electro-hydraulic reversing valve, a hydraulic control one-way valve, an electromagnetic overflow valve and a manual overflow valve; the large valve main body is provided with double large valve oil inlets (one valve body oil inlet is added adaptively), and the diameter of an oil path of the large valve main body is correspondingly enlarged; (4) the small integrated valve group comprises a small valve main body, an electromagnetic overflow valve, an electromagnetic reversing valve, a one-way valve and a manual overflow valve, and is the prior art; (5) the hydraulic station chassis is shared by the dual-purpose oil tank and the large electric oil pump set and comprises a chassis main body, chassis supporting legs and an oil tank fixing plate; the chassis main body comprises a chassis frame, a side crossbeam and a middle vertical beam; (6) the shared oil tank is a dual-purpose oil tank of a large electric oil pump set and a small electric oil pump set and comprises an oil tank main body and an oil seepage collecting tank; the oil tank body is a cuboid oil tank and is provided with an oil outlet flange, an overflow joint, an oil discharge valve port, a liquid level meter hole and an oil tank port folding edge; the oil seepage collecting tank is a circular surrounding tank matched with the oil tank and is provided with an oil seepage backflow joint; (7) the fuel tank cover is matched with the dual-purpose fuel tank and comprises a fuel tank cover main body, a fuel filling hole and a small electric pump group seat; the corresponding positions of the oil tank cover main body are provided with a large integrated valve group mounting hole, a small integrated valve group mounting hole and an oil return filter mounting hole, and the oil tank cover mounting holes are uniformly distributed on the periphery of the oil tank cover main body; (8) the side oil receiving disc is a rectangular oil receiving disc corresponding to the side large electric oil pump set, and four sides of the side oil receiving disc are folded into disc edges; (9) the two ends of the soft connector are flanges, and the middle of the soft connector is a soft connector of a rubber pipe; (10) the air filter, the oil return filter, the manual ball valve and the liquid level meter are all in the prior art.
The connection relation of the main parts of the utility model is as follows: (1) assembling related parts of the oil tank: the dual-purpose oil tank is arranged behind the chassis of the hydraulic station; the fuel tank cover is arranged on the dual-purpose fuel tank, and the liquid level meter is arranged on the side surface of the dual-purpose fuel tank; (2) assembling an overhead part: the small electric oil pump group, the large integrated valve group and the small integrated valve group are respectively arranged at corresponding positions on the oil tank cover, and the double oil return filters are respectively arranged at oil return outlets below the large integrated valve group and the small integrated valve group; a small oil pipe is used for connecting a small electric oil pump set and a small integrated valve group, and an air filter is arranged in an oil filling hole on an oil tank cover; (3) assembling the side parts: the side oil receiving disc is arranged in front of a hydraulic station chassis at the front bottom edge of the dual-purpose oil tank, the manual ball valve is arranged on an oil outlet flange of the oil tank, the large electric oil pump set is horizontally arranged on the side oil receiving disc in front of the hydraulic station chassis, the double flexible connectors are connected with the double pump heads and the double hand ball valves, and the large oil pipe is used for connecting the large electric oil pump set and the large integrated valve set; (4) the general assembly of the dual-purpose hybrid hydraulic station comprises the following steps: the large oil pipe is connected with the large integrated valve bank and the large oil cylinder, and the small oil pipe is connected with the small integrated valve bank and the small oil cylinder beside the filter press tail integrally arranged in the dual-purpose mixed hydraulic station.
The double-pump-head dual-purpose mixed hydraulic station of the high-efficiency automatic filter press has the remarkable advantages of compact structure of a large electric double-pump head, optimized technical parameters, large oil pumping quantity, high oil pumping efficiency, quick extension and retraction of an oil cylinder piston rod, quick compression and release of the filter plate, short intermittent time of the filter press and high production efficiency; the hydraulic station has the advantages that the existing single-pump-head dual-purpose hybrid hydraulic station is improved into a dual-pump-head dual-purpose hybrid hydraulic station, main technical parameters of a dual-pump-head large electric oil pump set are optimized, a valve body oil inlet and an oil way of a large integrated valve set are added, a hydraulic station chassis and a shared oil tank are improved adaptively, the motor power of the large electric oil pump set, the oil quantity and the oil pumping efficiency of the dual-pump-head pump set are improved, the hydraulic oil supply to the dual large oil cylinders of the filter plate pressing mechanism is accelerated, the telescopic speed of piston rods of the large oil cylinders is accelerated, and the pressing and loosening time of the filter plates is effectively shortened; the performance of the dual-purpose hybrid hydraulic station is improved, the requirement of high-efficiency production (short intermittent time) of a filter press user is met, and the development trend of a large-scale high-efficiency automatic filter press is realized.
Drawings
Fig. 1 is a schematic front view of a dual-pump-head dual-purpose mixed hydraulic station of the efficient automatic filter press.
Fig. 2 is a schematic top view of a dual-pump-head dual-purpose mixing hydraulic station of the high-efficiency automatic filter press of the present invention.
Fig. 3 is a schematic top view of a hydraulic station chassis of the dual-pump-head dual-purpose hybrid hydraulic station of the efficient automatic filter press.
Fig. 4 is a schematic front view of a hydraulic station chassis of the dual-pump-head dual-purpose hybrid hydraulic station of the efficient automatic filter press of the utility model.
Fig. 5 is a schematic front view of a common oil tank of the dual-pump-head dual-purpose mixed hydraulic station of the efficient automatic filter press.
Fig. 6 is a schematic side view of the common oil tank of the dual-purpose hybrid hydraulic station with dual pump heads of the high-efficiency automatic filter press of the present invention.
Fig. 7 is a schematic top view of the common oil tank of the dual-purpose hybrid hydraulic station with dual pump heads of the high-efficiency automatic filter press of the present invention.
Fig. 8 is a schematic view of an oil tank cap of a dual-pump-head dual-purpose mixing hydraulic station of the high-efficiency automatic filter press.
Fig. 9 is a schematic diagram of a large integrated valve group of the dual-purpose hybrid hydraulic station with double pump heads of the high-efficiency automatic filter press.
Fig. 10 is a schematic view of a small integrated valve set of a double-pump-head dual-purpose mixed hydraulic station of the high-efficiency automatic filter press.
Fig. 11 is a schematic diagram of a large electric oil pump set of the double-pump-head dual-purpose hybrid hydraulic station of the efficient automatic filter press.
Fig. 12 is a schematic diagram of a small electric oil pump set of a double-pump-head dual-purpose mixed hydraulic station of the efficient automatic filter press.
Fig. 13 is a schematic view of the assembly of the double-pump-head dual-purpose mixed hydraulic station of the high-efficiency automatic filter press and the corresponding large-scale high-efficiency automatic filter press.
Reference numerals: 1-large electric oil pump set (namely an electric double pump set for a pulling plate), 2-small electric oil pump set (namely an electric single pump set for a turning plate), 3-large integrated valve set, 4-small integrated valve set, 5-hydraulic station chassis, 6-common oil tank, 7-oil tank cover, 8-side oil receiving pan, 9-air filter, 10-oil return filter, 11-manual ball valve, 12-liquid level meter, 13-flexible connector, 14-oil tank fixing plate, 15-chassis frame, 16-side cross beam, 17-middle vertical beam, 18-chassis supporting leg, 19-oil leakage, 20-oil outlet flange, 21-overflow connector, 22-oil leakage backflow connector, 23-oil discharge valve port, 24-liquid level meter hole, 25-oil tank port folded edge, 26-oil filling hole, 27-small electric pump group seat, 28-big valve main body, 29-electric hydraulic directional valve, 30-hydraulic control one-way valve, 31-electromagnetic overflow valve, 32-manual overflow valve, 33-big valve oil inlet, 34-small valve main body, 35-electromagnetic directional valve, 36-big pump oil outlet, 37-one-way valve, 38-manual overflow valve, 39-big motor, 40-big pump head, 41-small pump head, 42-big pump oil inlet, 43-big pump oil outlet, 44-small motor, 45-small oil pump, 46-double pump head type double-purpose mixed hydraulic station of high-efficiency automatic filter press (short for: double pump head type double-purpose mixed hydraulic station or the utility model), 47-PLC program control system (including PLC program control cabinet), 48-big oil cylinder, 49-a small oil cylinder, 50-a pressing plate (push plate), 51-a turning plate liquid receiving mechanism, 52-a multi-filter chamber filtering mechanism (comprising a filter plate and filter cloth), 53-a plate pulling and cake discharging mechanism and 54-a filter cloth cleaning mechanism.
Detailed Description
The technical solution of the embodiment of the present invention is described below with reference to the accompanying drawings in an embodiment of a dual-pump-head dual-purpose mixing hydraulic station of an efficient automatic filter press according to the present invention, and the described embodiment is only a preferred part of the embodiments of the present invention, but not all embodiments. All other embodiments without inventive idea, such as a dual-pump head dual-purpose hybrid hydraulic station with similar oil pumping mode and structure, which are made by those skilled in the art based on the embodiments of the present invention, belong to the protection scope of the present invention.
Example 1
The main points of the innovative general implementation scheme of the double-pump-head dual-purpose mixed hydraulic station 46 (for short, the double-pump-head dual-purpose mixed hydraulic station or the dual-purpose mixed hydraulic station) of the high-efficiency automatic filter press are as follows: the existing single-pump-head type dual-purpose hybrid hydraulic station is improved into a dual-pump-head type dual-purpose hybrid hydraulic station 46, which comprises a large electric oil pump group 1 (namely an electric double pump group for a pulling plate), a small electric oil pump group 2 (namely an electric single pump group for a turning plate), a large integrated valve group 3, a small integrated valve group 4, a hydraulic station chassis 5, a shared oil tank 6, an oil tank cover 7, a side oil receiving disc 8, an air filter 9, an oil return filter 10, a manual ball valve 11, a liquid level meter 12 and a flexible connector 13; mainly, a single-pump head type large electric oil pump set is improved into a double-pump head type large electric oil pump set 1, a single-oil-inlet type large integrated valve set is improved into a double-oil-inlet type large integrated valve set 3, and a hydraulic station chassis 5 and a common oil tank 6 are improved in adaptability; the main technical parameters of the double-pump-head large electric oil pump set 1 are optimized, the motor power, the double-pump-head oil pumping quantity and the oil pumping efficiency of the large electric oil pump set 1 are improved, hydraulic oil is rapidly provided for the double large oil cylinders 48 of the filter plate pressing mechanism, the telescopic speed of the piston rods of the large oil cylinders 48 is increased, and the pressing and loosening time of the filter plates 52 is effectively shortened; specific embodiments are described in detail below.
The large electric oil pump set 1 (namely the electric double pump set for the pulling plate) is a large horizontal electric oil pump set 1 and comprises a large motor 39, a large pump head 40 and a small pump head 41; the large motor 39 is a YE3-225M-4 type 45KW high-efficiency energy-saving alternating current motor; the large pump head 40 is a DNS-A4VS0270LR/30R-PPB12U34 type 270ml/R large displacement pump head; the small pump head 41 is a DNS-A4VS0125LR/30R-PZB12N00 type 125ml/R large displacement pump head; the oil pump is provided with a big pump oil outlet 36, a big pump oil pumping outlet 42 and a big pump oil spilling outlet 43; the large electric motor 39, the large pump head 40 and the small pump head 41 are assembled into the large electric oil pump group 1; the large electric oil pump unit 1 is horizontally arranged on an oil receiving disc 8 arranged beside the front surface of a hydraulic station chassis 5 and used for quickly and efficiently providing hydraulic oil for a large oil cylinder 48 of the filter plate pressing mechanism.
The small electric oil pump set 2 (namely the electric single pump set for the flap) comprises a small motor 44 and a small oil pump 45; the small motor 44 is a YYB100L1-4 type 2.2KW interpolation type oil pump alternating current motor; the small oil pump 45 is a CBN-E308 type gear oil pump; the small motor 44 and the small oil pump 45 are assembled into the small electric oil pump group 2, which is the prior art; the small electric oil pump group 2 is arranged on the small electric pump group seat 27 on the oil tank cover 7 and is used for providing hydraulic oil for the small oil cylinder 49 of the flap liquid receiving mechanism.
The large integrated valve group 3 comprises a large valve main body 28, an electro-hydraulic reversing valve 29, a hydraulic control one-way valve 30, an electromagnetic overflow valve 31 and a manual overflow valve 32; the large valve main body 28 is provided with double large valve oil inlets 33 (one valve body oil inlet 33 is added adaptively), and the oil path diameter of the large valve main body is enlarged correspondingly; the large integrated valve group 3 is arranged on the left upper surface of the oil tank cover 7, and is connected with the large electric oil pump group 1 and the large integrated valve group 3 by a large oil pipe and used for controlling hydraulic oil for a large oil cylinder 48 of the filter plate pressing mechanism.
The small integrated valve group 4 comprises a small valve main body 34, an electromagnetic overflow valve 31, an electromagnetic directional valve 35, a one-way valve 37 and a manual overflow valve 38, and is the prior art; the small integrated valve group 4 is arranged in the middle position on the oil tank cover 7, and is connected with the small electric oil pump group 2 and the small integrated valve group 4 by a small oil pipe, and is used for controlling hydraulic oil (including pressure maintaining for the small oil cylinder) by a small oil cylinder 49 of the flap liquid receiving mechanism 51.
The hydraulic station chassis 5 is a chassis shared by the dual-purpose oil tank 6 and the large electric oil pump group 1 and comprises a chassis main body, chassis supporting legs 18 and an oil tank fixing plate 14; the chassis main body comprises a chassis frame 15, a side crossbeam 16 and a middle vertical beam 17; the hydraulic station is used for installing the large electric oil pump group 1 and the common oil tank 6, so that the dual-purpose mixed hydraulic station 46 with double pump heads is convenient to carry integrally and can be placed beside the tail of a filter press.
The shared oil tank 6 is a dual-purpose oil tank for the large electric oil pump set 1 and the small electric oil pump set 2 and comprises an oil tank main body and an oil seepage collecting tank 19; the oil tank body is a cuboid oil tank and is provided with an oil outlet flange 20, an overflow joint 21, an oil discharge valve port 23, a liquid level meter hole 24 and an oil tank port folding edge 25; an oil seepage collecting tank 19 which is a circular surrounding tank matched with the oil tank and is provided with an oil seepage return joint 22; the dual-purpose oil tank 6 is arranged behind the hydraulic station chassis 5; the hydraulic system is used for storing enough hydraulic oil for the dual-purpose hybrid hydraulic station 46 with double pump heads, and is provided with the small electric oil pump group 2, the large integrated valve group 3 and the small integrated valve group 4.
The fuel tank cover 7 is matched with the dual-purpose fuel tank 6 and comprises a fuel tank cover main body, a fuel filling hole 26 and a small electric pump group seat 27; the corresponding positions of the oil tank cover main body are provided with a large integrated valve group 3 mounting hole, a small integrated valve group 4 mounting hole and an oil return filter 10 mounting hole, and the oil tank cover mounting holes are uniformly distributed on the periphery of the oil tank cover main body; the oil tank cover 7 is arranged on the dual-purpose oil tank 6 and used for covering the dual-purpose oil tank 6 for dust prevention and security protection, and the small electric oil pump group 2, the large integrated valve group 3 and the small integrated valve group 4 are arranged on the dual-purpose oil tank 6.
The side oil receiving disc 8 is a rectangular oil receiving disc 8 corresponding to the side large electric oil pump unit 1, and four sides of the side oil receiving disc 8 are folded into disc edges; the side oil receiving disc 8 is arranged in front of the hydraulic station chassis 5 at the front bottom edge of the dual-purpose oil tank 6 and is used for collecting oil leakage of the large pump head 40, the small pump head 41 and the manual ball valve 11.
The two ends of the soft connector 13 are flanges, and the middle of the soft connector 13 is a rubber pipe; the double soft connectors 13 connect the double big and small pump heads 40, 41 and the double hand ball valve 11, and are used for flexibly connecting the big and small pump heads 40, 41 and the hand ball valve 11.
The double oil return filters 10 are respectively arranged at oil return outlets below the large integrated valve group 3 and the small integrated valve group 4 and extend into the dual-purpose oil tank 6 for filtering oil return; the liquid level meter 12 is arranged in a double liquid level meter hole 24 on the left side of the dual-purpose oil tank 6 and is used for displaying the liquid level in the oil tank so as to be convenient for timely oiling; the air cleaner 9 is installed in a filler hole 26 on the tank cap 7 for preventing dust and balancing air pressure in the tank.
Assembly of the dual-purpose hybrid hydraulic station 46: the two-purpose hybrid hydraulic station 46 is integrally arranged beside the filter press tail, and is connected with the large integrated valve group 3 and the large oil cylinder 48 by a large oil pipe, and connected with the small integrated valve group 4 and the small oil cylinder 49 by a small oil pipe; the hydraulic oil can be efficiently supplied and automatically controlled to the large oil cylinder 48 and the small oil cylinder 49, respectively.
The double-pump-head dual-purpose mixed hydraulic station 46 of the high-efficiency automatic filter press has the advantages of compact structure of a large electric double-pump head, optimized technical parameters, large oil pumping quantity, high oil pumping efficiency, quick extension and retraction of an oil cylinder piston rod, quick compression and release of the filter plate 52, short intermittent time of the filter press and high production efficiency; the technical problems that the existing single-pump-head large electric oil pump set 1 is small in oil pumping quantity and low in oil pumping efficiency, hydraulic oil provided for a filter plate pressing mechanism enables the piston rods of double large oil cylinders 48 to be slow in expansion and contraction speed, so that the pressing and loosening time of filter plates 52 is long, and the intermittent time and the production efficiency of a filter press are influenced are solved; the motor power, the double-pump-head oil pumping quantity and the oil pumping efficiency of the large electric oil pump group 1 are improved, the performance of the dual-purpose hybrid hydraulic station 46 is improved, and the requirement of high-efficiency production (short intermittent time) of a filter press user is met.
Example 2
A large-scale high-efficient automatic filter press (short for large-scale filter press), use the dual-pump-head dual-purpose mixed hydraulic station 46 (short for dual-pump-head dual-purpose mixed hydraulic station or dual-purpose mixed hydraulic station) of the high-efficient automatic filter press that the utility model provides; the large-scale filter press mainly comprises a double-beam frame, a filter plate pressing mechanism, a multi-filter chamber filtering mechanism 52, a turning plate liquid receiving mechanism 51, a pulling plate cake discharging mechanism 53, a filter cloth cleaning mechanism 54 and a PLC program control system; the filter plate pressing mechanism and the turning plate liquid receiving mechanism 51 share the double-pump-head dual-purpose mixed hydraulic station 46; the automatic filter press has the functions of efficiently and automatically pressing and loosening the filter plate, automatically turning the plate and receiving liquid, automatically pulling the plate and discharging cakes and automatically cleaning filter cloth; the device is suitable for high-efficiency automatic solid-liquid separation of various suspension materials (namely, a mixture of liquid and solid particles). The utility model is common to the prior art, and is manufactured according to the group mark of 'chamber and plate and frame filter press' T/CGMA0701 and 'chamber and plate and frame filter press filter plate' T/CGMA0702-2021 in the China general mechanical industry standard.
The filter plate pressing mechanism and the turning plate liquid receiving mechanism 51 are respectively provided with a double large oil cylinder 48 and a small oil cylinder 49 which share the dual-purpose mixing hydraulic station 46; the dual-purpose hybrid hydraulic station 46 comprises a large electric oil pump set 1 (namely an electric double pump set for a pulling plate), a small electric oil pump set 2 (namely an electric single pump set for a turning plate), a large integrated valve set 3, a small integrated valve set 4, a hydraulic station chassis 5, a shared oil tank 6, an oil tank cover 7, a side oil receiving disc 8, an air filter 9, an oil return filter 10, a manual ball valve 11, a liquid level meter 12 and a soft connector 13.
Final assembly of the large-scale filter press: (1) the filter plate hold-down mechanism, the thrust plate of the hold-down mechanism of the filter plate is fixedly mounted on double leg of the aircraft nose, the hold-down plate 50 (push pedal) is mounted on the filter plate slideway of the double girder movably, the double large-scale cylinder 48 is mounted on tailstock of the stander, the double piston rod is connected with hold-down plate 50, the dual-purpose mixed hydraulic station 46 is placed on the ground of tailstock; a large oil pipe is used for connecting the large integrated valve group 1 and the large oil cylinder 48; (2) the turning plate liquid receiving mechanism 51 is characterized in that the turning plate liquid receiving mechanism 51 is integrally arranged on four machine legs below the filter press and positioned below the multi-filter chamber filtering mechanism 52, and a small oil pipe is used for connecting the small integrated valve group 4 and the small oil cylinder 49; (3) the pulling plate cake discharging mechanism 53 is characterized in that double trolley guide rails of the pulling plate cake discharging mechanism 53 are arranged on two sides of a double main beam, a driving motor is arranged on a machine head, the pulling plate trolley is arranged on the double trolley guide rails on the two sides of the main beam, and a two-stage transmission chain is connected with a driving device and the pulling plate trolley; (4) a multi-filter chamber filtering mechanism 52, wherein the filter plates of the multi-filter chamber filtering mechanism 52 are supported on the filter plate slideways of the double main beams of the frame by means of handles at both sides of the filter plates, the filter plates are pressed by a large-scale oil cylinder 48, and a plurality of concave parts of adjacent filter plates clamping filter cloth form a multi-filter chamber; (5) and a filter cloth cleaning mechanism 54: double guide rails of the filter cloth cleaning mechanism 54 are arranged on two sides of the double main beams, and the cloth washing trolleys are arranged on the double trolley guide rails on two sides of the main beams; (6) PLC programmable system: the PLC program control cabinet is arranged on the ground of the tail and is communicated with and controls the large oil cylinder, the small oil cylinder, the pull plate trolley and the cloth washing trolley to work through signal wires.
The low-pressure static filtering process of the large-scale filter press comprises the following steps: the filter plates are pressed by double large-scale oil cylinders 48, and a plurality of concave parts of adjacent filter plates coated with filter cloth form a plurality of filter chambers; the material is pressurized by a feeding pump and is input into the multi-filter chamber through a feeding hole to be subjected to low-pressure static filtration, particles in the material are intercepted by the filter cloth to form a filter cake in the filter chamber, the filtrate passes through the filter cloth and flows out of a liquid outlet hole of the filter chamber, and the pull plate cake unloading mechanism 53 pulls open the filter plate to realize gravity cake unloading. The single complete operation cycle working process of the large-scale filter press comprises the following steps: under the control of a PLC program control system, filter plates are pressed, fed, filtered (including plate connection liquid receiving), washed, purified, materials are blown back, blow-dried and purified, plates are pulled, cakes are unloaded (including plate opening and cake falling), filter cloth is cleaned, and the operation is automatically finished by one key; the automatic intermittent reciprocating circulation work can efficiently realize the solid-liquid separation in batches.
The double-pump-head dual-purpose mixed hydraulic station 46 of the high-efficiency automatic filter press has the advantages that the existing single-pump-head dual-purpose mixed hydraulic station is improved into the double-pump-head dual-purpose mixed hydraulic station 46, main technical parameters of a double-pump-head large electric oil pump group 1 are optimized, a valve body oil inlet 33 and an oil way of the valve body oil inlet 33 of the large integrated valve group 3 are additionally arranged, a hydraulic station chassis 5 and a shared oil tank 6 are adaptively improved, the motor power of the large electric oil pump group 1, the oil pumping quantity and the oil pumping efficiency of double large and small pump heads 40 and 41 are improved, the hydraulic oil supply to a double large oil cylinder 48 of a filter plate pressing mechanism is accelerated, the telescopic speed of a piston rod of the large oil cylinder 48 is accelerated, and the pressing and loosening time of a filter plate is effectively shortened; the performance of the dual-purpose hybrid hydraulic station 46 is improved, the requirement of high-efficiency production (short intermittent time) of a filter press user is met, and the development trend of large-scale high-efficiency automatic filter presses is realized.
Claims (4)
1. A double-pump-head dual-purpose hybrid hydraulic station of a high-efficiency automatic filter press comprises a large electric oil pump group, a small electric oil pump group, a large integrated valve group, a small integrated valve group, a hydraulic station chassis, a common oil tank, an oil tank cover, a side oil receiving disc, an air filter, an oil return filter, a manual ball valve, a liquid level meter and a flexible connector; the method is characterized in that: the large electric oil pump group is a large horizontal electric oil pump group and comprises a large motor, a large pump head and a small pump head, wherein the large motor is a YE3-225M-4 type 45KW high-efficiency energy-saving alternating current motor, the large pump head is a DNS-A4VS0270LR/30R-PPB12U34 type 270ml/R large-displacement pump head, the small pump head is a DNS-A4VS0125LR/30R-PZB12N00 type 125ml/R large-displacement pump head, and the large electric oil pump group is provided with a large pump oil outlet, a large pump oil inlet and a large pump oil overflow outlet; the large integrated valve group comprises a large valve main body, an electro-hydraulic reversing valve, a hydraulic control one-way valve, an electromagnetic overflow valve and a manual overflow valve; the big valve main body is provided with a double big valve oil inlet and an oil way thereof; the interconnection relationship is: the dual-purpose oil tank is arranged behind the chassis of the hydraulic station; the fuel tank cover is arranged on the dual-purpose fuel tank, and the liquid level meter is arranged on the side surface of the dual-purpose fuel tank; the small electric oil pump group, the large integrated valve group and the small integrated valve group are respectively arranged at corresponding positions on the oil tank cover, and the double oil return filters are respectively arranged at oil return outlets below the large integrated valve group and the small integrated valve group; a small oil pipe is used for connecting a small electric oil pump set and a small integrated valve group, and an air filter is arranged in an oil filling hole on an oil tank cover; the side oil receiving disc is arranged in front of a hydraulic station chassis at the front bottom edge of the dual-purpose oil tank, the manual ball valve is arranged on an oil outlet flange of the oil tank, the large electric oil pump set is horizontally arranged on the side oil receiving disc in front of the hydraulic station chassis, the double flexible connectors are connected with the double pump heads and the double hand ball valves, and the large oil pipe is used for connecting the large electric oil pump set and the large integrated valve set; the whole filter press tail side of the dual-purpose hybrid hydraulic station is connected with a large integrated valve bank and a large oil cylinder by a large oil pipe and connected with a small integrated valve bank and a small oil cylinder by a small oil pipe.
2. The dual-purpose hydraulic station of double pump heads of the high-efficiency automatic filter press according to claim 1, characterized in that: the small electric oil pump set comprises a small motor and a small oil pump, wherein the small motor is a YYB100L1-4 type 2.2KW interpolation type oil pump alternating current motor, and the small oil pump is a CBN-E308 type gear oil pump; the small integrated valve group comprises a small valve body, an electromagnetic overflow valve, an electromagnetic directional valve, a one-way valve and a manual overflow valve.
3. The dual-purpose hydraulic station of double pump heads of the high-efficiency automatic filter press according to claim 1, characterized in that: the hydraulic station chassis is a chassis shared by a dual-purpose oil tank and a large electric oil pump set and comprises a chassis main body, chassis supporting legs and an oil tank fixing plate, wherein the chassis main body comprises a chassis frame, a side cross beam and a middle vertical beam; the side oil receiving disc is a rectangular oil receiving disc corresponding to the side large electric oil pump set, and four sides of the oil receiving disc are folded into disc edges.
4. The dual-purpose hydraulic station of double pump heads of the high-efficiency automatic filter press according to claim 1, characterized in that: the shared oil tank is a dual-purpose oil tank of a large electric oil pump set and a small electric oil pump set and comprises an oil tank main body and an oil seepage collecting tank; the oil tank main body is a cuboid oil tank and is provided with an oil outlet flange, an overflow joint, an oil discharge valve port, a liquid level meter hole and an oil tank port folding edge; the oil seepage collecting tank is a circular surrounding tank matched with the oil tank and is provided with an oil seepage backflow joint; the fuel tank cover is matched with the dual-purpose fuel tank and comprises a fuel tank cover main body, a fuel filling hole and a small electric pump group seat; the corresponding position of the oil tank cover main body is provided with a large integrated valve group mounting hole, a small integrated valve group mounting hole and an oil return filter mounting hole, and the oil tank cover mounting holes are uniformly distributed on the periphery of the oil tank cover main body.
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| CN202220535765.5U CN216922669U (en) | 2022-03-14 | 2022-03-14 | Double-pump-head type dual-purpose mixed hydraulic station of efficient automatic filter press |
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| CN202220535765.5U CN216922669U (en) | 2022-03-14 | 2022-03-14 | Double-pump-head type dual-purpose mixed hydraulic station of efficient automatic filter press |
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