CN211963349U - Ultrafiltration membrane filter box device - Google Patents

Abstract

The utility model discloses an ultrafiltration membrane filter box device, which comprises a filter box body, a filter element assembly, a filter element gland and a filter element locking cover assembly, wherein the upper end face of the filter box body is provided with a plurality of filter element mounting platforms which are uniformly arranged, the filter element assembly is inserted on the filter element mounting platform in a penetrating way, the filter element gland is tightly pressed on the filter element assembly and is locked and connected with the filter element mounting platform through the filter element locking cover assembly, the top of the filter element gland is connected with a three-way pipe, the lower end of the three-way pipe is connected with the filter element gland, the left end and the right end are respectively arranged as an oil outlet pipe orifice of the filter box and a backflushing air inlet pipe orifice of the filter element, the utility model adopts the structure design of the reverse oil liquid flowing direction, the filtered impurities in oil liquid are absorbed on the surface of the filter material, and, the utility model discloses filter element group spare adopts external tight mounting structure design of clamp, dismouting simple operation.

Description

Ultrafiltration membrane filter box device

Technical Field

The utility model belongs to the technical field of the oil strain equipment manufacture technique and specifically relates to a milipore filter rose box device is related to.

Background

At present, when various industrial lubricating oils such as gear oil, hydraulic oil, insulating oil, turbine oil and the like are subjected to known regeneration treatment, methods such as pipeline filtration, box-type filter pressing, aggregation separation, centrifugal filtration and the like are commonly adopted for treatment, and the common characteristics are that a fuel delivery pump is adopted for positive pressure filtration, the precision of a selected filter material is generally not more than 3 microns, the reason is that the higher the precision of the filter material is, the larger the flow resistance of the oil is, the lower the filtration efficiency is, particle impurities in the flowing oil which are more than the precision of the filter material can be rapidly aggregated and block the filter material due to the positive pressure output by the fuel delivery pump, and because the precision of the filter material is high, particles blocked in the filter material are not easy to clean, the filter material can only be scrapped, the higher the precision of the filter material is, the industrial common problems that the use cost is higher are caused, and meanwhile, because of being limited by the precision of the filter material, the filter, therefore, the cleanliness of the filtered oil product can not be further improved, and the lubricating performance and the service life of various devices are further influenced.

And current filter core consumptive material adopts built-in mounting structure to install in filtering container, when needing to be changed, must open sealed lid and go deep into the inside clearance of container and change the ability, has the defect such as inconvenient operation, consuming time long, inefficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an milipore filter box device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an milipore filter rose box device, is including filtering box, filter element group spare, filter core gland, filter core locking closure subassembly, it is equipped with the roof outlet duct to filter the box top, filter box lateral wall lower extreme is equipped with bottom of the case outlet duct, be equipped with the filter core mounting platform that a plurality of equipartitions set up on the filter box up end, filter element group spare runs through the cartridge on filter core mounting platform, filter core gland sticiss on filter element group spare and through filter core locking closure subassembly and filter core mounting platform locking connection, filter core gland top is connected with the three-way pipe, the three-way pipe lower extreme links to each other with filter core gland, the three-way pipe is controlled both ends and is established respectively to the rose box and goes out the oil pipe mouth, the filter box back oil pipe on the filter box lateral wall, the filter box bottom is.

The filter element group spare includes filter media mounting flange board, filter core filter media fixed mounting is on filter media mounting flange board, the filter core filter media is by milipore filter material preparation, it is equipped with filter core oil outlet to run through on the filter media mounting flange board, all install the sealing washer on the both ends face respectively about the filter media mounting flange board.

The filter box is characterized in that a filter element oil outlet electromagnetic valve is installed on an oil outlet pipe orifice of the filter box, and a backflushing air inlet electric valve is installed on a backflushing air inlet pipe orifice of the filter element.

The filter core locking cover assembly comprises an upper locking seat, a lower locking seat and a locking screw, the upper locking seat is fixedly connected to the side edge of the filter core pressing cover and is arranged on the side wall of the filter core mounting platform, the lower locking seat is fixedly connected to the side wall of the filter core mounting platform, the upper locking seat and the lower locking seat are arranged in a one-to-one correspondence mode, a screw moving groove is formed in the upper locking seat, a rotating pin shaft is arranged on the lower locking seat in a rotating and inserting mode, the locking screw is perpendicularly welded to the rotating pin shaft, and a lifting ring nut is installed on the locking screw in a threaded.

The filter box upper end is connected with along the lateral wall round and connects oily annular, connect to be connected with the waste oil output tube on the oily annular, install waste oil output valve on the waste oil output tube.

The filter tank oil inlet pipe is provided with a filter tank oil inlet valve, and the filter tank oil return pipe is provided with a filter tank oil return valve.

The tank top air outlet pipe and the tank bottom air outlet pipe extend upwards, and the highest point height of the tank top air outlet pipe and the highest point height of the tank bottom air outlet pipe are higher than the installation height of the oil outlet pipe opening of the filter tank.

The utility model has the advantages that: the utility model relates to a novelty is different from traditional filtration oil tank design, the utility model discloses a reverse fluid flow direction structural design, the impurity that filters out in the fluid is adsorbed on the filter media surface, but the interval lets in reverse air current and strikes and blow off impurity, guarantees filter media filter effect and reduces the filter media and consume, practices thrift manufacturing cost, and above-mentioned design makes the milipore filter media of high accuracy be applied to the filtration of all kinds of industrial lubricating oil, has overcome the limitation that current filtration technology can't improve again to filter fineness, the utility model discloses filter element group spare adopts external clamp to press from both sides tight mounting structure design, and dismouting simple operation has promoted work efficiency greatly, and the box avris is equipped with and connects the oil ring groove, and the fluid that drips when preventing to.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view showing the connection of the components of the present invention;

FIG. 4 is a schematic view of the connection structure of the primary filter tank of the present invention;

FIG. 5 is a schematic view of the connection structure of the heating tank of the present invention;

fig. 6 is a schematic view of the connection structure of the oil storage tank of the present invention;

FIG. 7 is a schematic view of the connection structure of the vacuum tank assembly of the present invention;

fig. 8 is a schematic structural view of an ultrafiltration membrane filtration tank device of the present invention;

FIG. 9 is an enlarged view taken at A in FIG. 8;

FIG. 10 is a view of the filter element assembly of the present invention;

FIG. 11 is a three-dimensional structural view of the filter element assembly of the present invention;

fig. 12 is a schematic structural view of the filter element locking cover assembly of the present invention.

In the figure: the device comprises a device mounting frame 1, a traveling wheel 101, a primary filter tank 2, a filter bag 21, a primary filter tank oil inlet pipe 22, a primary filter tank oil inlet electromagnetic valve 23, a primary filter tank oil outlet 24, a primary filter tank vent valve 25, a primary filter tank oil return pipe orifice 26, a first oil transfer pump 3, a heating tank 4, a heating rod 41, a heating tank oil inlet pipe 42, a heating tank oil outlet pipe 43, an oil storage tank 5, an oil storage tank oil inlet pipe 51, an oil storage tank oil outlet pipe 52, an air discharge elbow 53, an air inlet elbow 54, a first window 55, a first liquid level pipe 56, a first floating ball liquid level controller 57, an ultrafiltration membrane filter tank device 6, a filter tank body 61, a tank top air outlet pipe 611, a tank bottom air outlet pipe 612, a filter element mounting platform 62, a filter element assembly 63, a filter material fixing flange plate 631, a filter element oil outlet hole 6311, a filter element 632, a seal ring 633, a filter element gland 64, a three-way pipe 641, a, The backflushing air inlet electric valve 645, the filter element locking cover assembly 65, the upper locking seat 651, the screw rod moving groove 6511, the lower locking seat 652, the rotating pin 653, the locking screw rod 654, the lifting ring nut 655, the oil receiving ring groove 66, the waste oil output pipe 661, the waste oil output valve 662, the filter box oil inlet pipe 67, the filter box oil inlet valve 671, the filter box oil return pipe 68, the filter box oil return valve 681, the vacuum tank assembly 7, the vacuum tank 71, the vacuum tank suction port 711, the vacuum tank oil outlet 712, the second window 713, the second liquid level pipe 714, the vacuum oil inlet box 72, the vacuum pressure gauge 721, the vacuum pump 73, the cooling water tank 74, the air filter 75, the second float ball liquid level controller 76, the vacuum tank air inlet pipe 77, the vacuum tank air inlet solenoid valve 771, the second oil delivery pump 8, the oil inlet main pipe 9, the oil outlet main pipe 10, the control box 11.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, wherein the descriptions of "left", "right", etc. in the present invention all refer to fig. 3 as the reference direction:

as shown in fig. 1-12, an ultrafiltration membrane filter box device, including equipment fixing frame 1, prefiltration jar 2, first fuel delivery pump 3, heating tank 4, oil storage tank 5, ultrafiltration membrane filter box device 6, vacuum tank component 7, second fuel delivery pump 8, the oil feed is responsible for 9, the main pipe 10 of producing oil, prefiltration jar 2, first fuel delivery pump 3, heating tank 4, oil storage tank 5, ultrafiltration membrane filter box device 6, vacuum tank component 7, second fuel delivery pump 8 is connected with each other in proper order the pipeline and all fixed mounting on equipment fixing frame 1, prefiltration jar 2 is responsible for 9 pipelines with the oil feed and is linked to each other, second fuel delivery pump 8 output is responsible for 10 pipelines with producing oil and is linked to each other, still fixed mounting has control box 11 on the equipment fixing frame 1.

A plurality of walking wheels 101 are installed to 1 bottom of equipment fixing frame, make whole equipment remove conveniently, can remove near the fluid position that needs the filtration and directly filter the operation.

The primary filter tank 2 is internally provided with a filter bag 21, the filter bag 21 can filter out large solid impurities in oil, the upper end of the primary filter tank 2 is provided with a primary filter tank oil inlet pipe 22, the primary filter tank oil inlet pipe 22 is connected with an oil inlet main pipe 9 pipeline, the oil entering from the oil inlet main pipe 9 is firstly filtered by the primary filter tank 2, the primary filter tank oil inlet pipe 22 is connected with the oil inlet main pipe 9 pipeline and is provided with a primary filter tank oil inlet electromagnetic valve 23, the primary filter tank oil inlet electromagnetic valve 23 can automatically control the opening and closing of the oil inlet pipeline, the bottom of the primary filter tank 2 is provided with a primary filter tank oil outlet 24, the top of the primary filter tank 2 is provided with a primary filter tank vent valve 25, the primary filter tank vent valve 25 is in a normally closed state and is opened when the filter bag 21 needs to be replaced, the situation that the filter tank 2 top cover cannot be opened to replace the filter bag 21 due to the internal and external pressure difference is prevented, the bottom of the heating tank 4 is provided with a heating tank oil inlet pipe 42, the heating tank oil inlet pipe 42 is connected with an output end pipeline of the first oil transfer pump 3, the top of the heating tank 4 is provided with a heating tank oil outlet pipe 43, oil sucked from the first oil transfer pump 3 enters the heating tank 4, the heating tank 4 adopts a lower-in upper-out structural design, a heating rod 41 is immersed in the oil to prevent the heating tank 4 from being damaged by dry burning, the upper end of the oil storage tank 5 is provided with an oil storage tank oil inlet pipe 51, the oil storage tank oil inlet pipe 51 is connected with the heating tank oil outlet pipe 43 through a pipeline, the heated oil flows into the oil storage tank 5, the bottom of the oil storage tank 5 is provided with an oil storage tank oil outlet pipe 52, the oil storage tank oil outlet pipe 52 is connected with an ultrafiltration membrane filter tank device 6 through a pipeline, the top of the oil storage tank 5 is provided with an air discharge elbow 53 for discharging air, a first window 55 for observing the oil liquid state in the oil storage tank 5 is installed on the, install first floater liquid level controller 57 on the oil storage tank 5 and be used for controlling the oil level height of oil storage tank 5, first floater liquid level controller 57 and first oil delivery pump 3 circuit chain control, when the oil storage tank 5 liquid level is less than first floater liquid level controller 57 control oil level position, first oil delivery pump 3 continuously starts and mends the oil operation, when the oil storage tank 5 liquid level rose to first floater liquid level controller 57 control oil level position, first oil delivery pump 3 stop work prevents that the oil storage tank 5 oil level from overflowing too high.

The ultrafiltration membrane filter box device 6 comprises a filter box body 61, a filter element assembly 63, a filter element gland 64 and a filter element locking cover assembly 65, wherein a box top air outlet pipe 611 is arranged at the top of the filter box body 61, a box bottom air outlet pipe 612 is arranged at the lower end of the side wall of the filter box body 61, two air inlet bent pipes 54 are connected to the top of the oil storage tank 5, the two air inlet bent pipes 54 are respectively connected with the box top air outlet pipe 611 and the box bottom air outlet pipe 612 through pipelines, the highest point of the box top air outlet pipe 611 and the box bottom air outlet pipe 612 is higher than the installation height of an oil outlet pipe 642 of the filter box, the filter box body 61 and the oil storage tank 5 generate a communicating vessel effect, the highest height of the filter box body 61 is lower than the lowest oil liquid level control height of the first floating ball liquid level controller 57, the filter box body 61 is in a full oil, the filter box body 61 is provided with a plurality of filter element mounting platforms 62 which are uniformly distributed, the filter element assembly 63 penetrates and is inserted on the filter element mounting platform 62, a filter element gland 64 is tightly pressed on the filter element assembly 63 and is in locking connection with the filter element mounting platform 62 through a filter element locking cover assembly 65, the filter element assembly 63 is different from the traditional built-in mounting and adopts an external pressing and sealing mounting structure design, so that the filter element assembly 63 is convenient and fast to replace and clean, the upper end of the filter box body 61 is connected with an oil receiving ring groove 66 along the outer side wall in a circle, the oil receiving ring groove 66 is connected with a waste oil output pipe 661, the waste oil output pipe is provided with a waste oil output valve 662, in the process of disassembling the filter element assembly 63, residual oil on the filter element assembly 63 can drip onto the filter box body 61, if the residual oil on the filter box body is free, the surface of the filtering box body 61 is greasy and can pollute the ground of a working place to cause the sliding of personnel and accidents, the oil receiving ring groove 66 can prevent and collect the dropped oil and discharge the oil as required through the waste oil output pipe 661, the side wall of the filtering box body 61 is connected with the filtering box oil inlet pipe 67, the filtering box oil inlet pipe 67 is connected with the oil storage tank oil outlet pipe 52 by a pipeline, the bottom of the filtering box body 61 is provided with the filtering box oil return pipe 68, the filtering box oil inlet pipe 67 is provided with the filtering box oil inlet valve 671, the filtering box oil return pipe 68 is provided with the filtering box oil return valve 681, the primary filtering tank oil inlet pipe 22 is connected with the primary filtering tank oil return pipe orifice 26, the filtering box oil return pipe 68 is connected with the primary filtering tank oil return pipe orifice 26 by a pipeline, the primary filtering tank oil return pipe orifice 26 is arranged at the rear channel of the primary filtering tank oil inlet electromagnetic valve 23, the bottom of the filtering box body 61 is provided with the oil return pipeline, the oil temperature is guaranteed, and the primary filter tank oil return pipe orifice 26 is arranged behind the primary filter tank oil inlet electromagnetic valve 23, so that the oil return pipeline is not controlled by the primary filter tank oil inlet electromagnetic valve 23, and oil can be continuously returned.

The filter element assembly 63 comprises a filter material fixing flange plate 631 and a filter element 632, the filter element 632 is fixedly installed on the filter material fixing flange plate 631, the filter element 632 is made of an ultrafiltration membrane material and has high filtering precision, a filter element oil outlet 6311 is arranged on the filter material fixing flange plate 631 in a penetrating manner, sealing rings 633 are respectively installed on the upper end surface and the lower end surface of the filter material fixing flange plate 631, the filter element assembly 63 is clamped and sealed and fixed between a filter element gland 64 and a filter element installation platform 62 through the filter element fixing flange plate 631, the sealing rings 633 on the two end surfaces play a role in sealing and contact with the filter element gland 64 and the filter element installation platform 62, a three-way pipe 641 is connected to the top of the filter element gland 64, the lower end of the three-way pipe 641 is connected with the filter element gland 64, the left end and the right end of the three-way, a backflushing air inlet electric valve 645 is arranged on a filter element backflushing air inlet pipe orifice 643, an oil outlet pipe orifice 642 of the filter box is used for discharging oil to the vacuum oil inlet box 72, the filter element backflushing air inlet pipe orifice 643 is connected with an external air source and is used for air inlet backflushing cleaning the filter element assembly 63, the filter element lock cover assembly 65 comprises an upper lock seat 651, a lower lock seat 652 and a locking screw 654, a plurality of upper lock seats 651 are fixedly connected on the side edge of the filter element gland 64, a plurality of lower lock seats 652 are fixedly connected on the side wall of the filter element mounting platform 62, a plurality of upper lock seats 651 and the lower lock seats 652 are arranged in a one-to-one correspondence manner, a screw moving groove 6511 is arranged on the upper lock seat 651, a rotating pin 653 is inserted on the lower lock seat 652, the locking screw 654 is vertically welded on the rotating pin 653, a lifting ring nut 655 is arranged on the locking screw 654 in a threaded manner, the eyenut 655 is unscrewed and the locking screw 654 is rotated in the opposite direction to disengage the upper lock base 651, the filter cartridge gland 64 can be unlocked, and the filter cartridge assembly 63 can be quickly removed for replacement or cleaning.

The vacuum tank assembly 7 comprises a vacuum tank 71, a vacuum oil inlet box 72 and a vacuum pump 73, wherein the vacuum oil inlet box 72 is connected with the vacuum tank 71 through a pipeline, a filter box oil outlet pipe port 642 of a three-way pipe 641 at the top of the filter element gland 64 is connected to the vacuum oil inlet box 72 through a pipeline, a vacuum pressure gauge 721 is installed on the vacuum oil inlet box 72, the vacuum oil inlet box 72 is connected with the vacuum tank 71 and can increase the vacuum volume, oil in the filter box body 61 passes through the vacuum oil inlet box 72 and then enters the vacuum tank 71, a vacuum tank suction port 711 is arranged at the top of the vacuum tank 71 and is connected with the vacuum pump 73 through a pipeline, the vacuum pump 73 is connected with a cooling water tank 74 for circularly cooling the vacuum pump 73 so as to prevent the vacuum pump 73 from being damaged due to overheating, an air filter 75 is installed on a pipeline connecting the vacuum tank suction port 711 with the vacuum pump 73, moisture in the air of, the vacuum tank 71 is provided with a second floating ball liquid level controller 76 for controlling the height of the oil level in the vacuum tank 71, the top of the vacuum tank 71 is also connected with a vacuum tank air inlet pipe 77, the vacuum tank air inlet electromagnetic valve 771 is arranged on the vacuum tank air inlet pipe 77, the vacuum tank air inlet electromagnetic valve 771 is in circuit linkage control with the second floating ball liquid level controller 76 and the second oil transfer pump 8, when the oil liquid level in the vacuum tank 71 rises to the liquid level control position of the second floating ball liquid level controller 76, the second oil transfer pump 8 is started, the vacuum tank air inlet electromagnetic valve 771 is opened at the moment, air enters the vacuum tank 71, the vacuum state of the vacuum tank 71 is relieved, the second oil transfer pump 8 outputs filtered oil, the oil level in the vacuum tank 71 continuously drops in the process, when the oil level in the vacuum tank drops to the liquid level control position separated from the second floating ball liquid level controller 76, the second oil transfer pump 8 stops working, the, the vacuum pump 73 starts to vacuumize again and sucks oil again, oil sucking and outputting are completed through the circulation operation, a vacuum tank oil outlet 712 is formed in the bottom of the vacuum tank 71, the vacuum tank oil outlet 712 is connected with an input end pipeline of the second oil transfer pump 8, a second window 713 is installed on the side wall of the vacuum tank 71 and used for observing the oil state in the vacuum tank 71, and a second liquid level pipe 714 is installed on the side wall of the vacuum tank 71 and used for observing the liquid level height of the vacuum tank 71.

The first oil transfer pump 3, the second oil transfer pump 8, the primary filter tank oil inlet electromagnetic valve 23, the first floating ball liquid level controller 57, the second floating ball liquid level controller 76, the vacuum tank air inlet electromagnetic valve 771, the backflushing air inlet electric valve 645 and the filter element oil outlet electromagnetic valve 644 are all connected to the control box 11 through lines, the control box 11 is provided with an oil temperature control area 111, the temperature of oil flowing in the control equipment can be set, the optimal oil temperature is 40 ℃, the oil liquid has the best fluidity at the temperature and is most beneficial to filtering operation, and the control box 11 is provided with a plurality of control buttons 112 for controlling the starting and stopping of each electrical equipment.

The utility model adopts the vacuum tank 71 to be vacuumized, the oil is conveyed by utilizing the pressure difference between the vacuum tank 71 and the filtering tank 61, when the oil flows from the filtering tank 61 to the vacuum tank 71, the oil reversely passes through the filter element assembly 63 to be filtered, the filtered impurities are adsorbed on the outer surface of the filter element filter 632, the filtered oil is output from the inner part of the filter element filter 632, the prior forward filtering technology with different design is adopted, the oil is output from the inner part of the filter element filter 632, the filtered impurities are accumulated on the filter element filter 632, because the prior forward filtering technology is used, the filtering precision of the filter element filter 632 can not be too high, otherwise, the inner part of the filter element assembly 63 can be blocked due to the rapid accumulation of the impurities, and needs to be replaced at once, thus the consumable material of the filter element assembly 63 can be very serious, and the vacuum negative pressure filtering technology is adopted, because the filtered impurities are adsorbed on the outer surface of, when filter element group spare 63 is blockked up by impurity, as long as start the reverse gas and erode, just can dash down the impurity that adsorbs at filter element filter material 632 surface, the filter effect of filter element filter material 632 has been guaranteed, the impurity that dashes down simultaneously flows and does not influence once more filtering of fluid in filtering box 61, filter element filter material 632 just needn't frequently dismantle change or wash like this, reduction filter media consumption that can furthest, save the filtration cost, simultaneously under this kind of mode, can use the higher ultrafiltration membrane material of precision as filter media material, the limitation that current filtration technology can't improve again to filter fineness has just been overcome like this, the cleanliness after the oil filters has been promoted, the lubricating property and the life of fluid user equipment have been ensured.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides an milipore filter rose box device, includes filter box (61), filter element group spare (63), filter element gland (64), filter element locking closure subassembly (65), its characterized in that: the top of the filtering box body (61) is provided with a box top air outlet pipe (611), the lower end of the side wall of the filtering box body (61) is provided with a box bottom air outlet pipe (612), a plurality of filter element mounting platforms (62) which are uniformly distributed are arranged on the upper end surface of the filter box body (61), the filter element assembly (63) is inserted on the filter element mounting platform (62) in a penetrating way, the filter element gland (64) is tightly pressed on the filter element assembly (63) and is locked and connected with the filter element mounting platform (62) through the filter element lock cover assembly (65), the top of the filter element gland (64) is connected with a three-way pipe (641), the lower end of the three-way pipe (641) is connected with the filter element gland (64), the left end and the right end of the three-way pipe (641) are respectively provided with an oil outlet pipe orifice (642) of the filter box and a backflushing air inlet pipe orifice (643) of the filter element, the oil filter box is characterized in that a filter box oil inlet pipe (67) is connected to the side wall of the filter box body (61), and a filter box oil return pipe (68) is arranged at the bottom of the filter box body (61).

2. An ultrafiltration membrane filtration tank assembly as defined in claim 1 wherein: filter core subassembly (63) include filter media mounting flange board (631), filter core filter media (632) fixed mounting is on filter media mounting flange board (631), filter core filter media (632) are by the preparation of milipore filter material, it is equipped with filter core oil outlet (6311) to run through on filter media mounting flange board (631), all install sealing washer (633) on the both ends face about filter media mounting flange board (631) respectively.

3. An ultrafiltration membrane filtration tank assembly as defined in claim 1 wherein: a filter element oil outlet electromagnetic valve (644) is installed on the filter box oil outlet pipe orifice (642), and a backflushing air inlet electric valve (645) is installed on the filter element backflushing air inlet pipe orifice (643).

4. An ultrafiltration membrane filtration tank assembly as defined in claim 1 wherein: filter core lock lid subassembly (65) are including last lock seat (651), lower lock seat (652), lock screw rod (654), and a plurality of go up lock seat (651) fixed connection on filter core gland (64) lateral margin, a plurality of lock seat (652) fixed connection is on filter core mounting platform (62) lateral wall down, and a plurality of go up lock seat (651) and lock seat (652) one-to-one setting down, be equipped with screw rod motion groove (6511) on going up lock seat (651), it has swivel pin shaft (653) to rotate the cartridge on lock seat (652) down, lock screw rod (654) vertical welding is on swivel pin shaft (653), ring nut (655) are installed to the screw thread on lock screw rod (654).

5. An ultrafiltration membrane filtration tank assembly as defined in claim 1 wherein: filter box (61) upper end and be connected with along the lateral wall round and connect oil annular (66), connect and be connected with waste oil output tube (661) on oil annular (66), install waste oil output valve (662) on waste oil output tube (661).

6. An ultrafiltration membrane filtration tank assembly as defined in claim 1 wherein: install rose box oil feed valve (671) on rose box oil feed pipe (67), install rose box oil return valve (681) on rose box oil return pipe (68).

7. An ultrafiltration membrane filtration tank assembly as defined in claim 1 wherein: the tank top air outlet pipe (611) and the tank bottom air outlet pipe (612) extend upwards, and the highest point height of the tank top air outlet pipe (611) and the tank bottom air outlet pipe (612) is higher than the installation height of the oil outlet pipe opening (642) of the filter tank.

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