CN211963348U

CN211963348U - Negative pressure formula milipore filter filtration equipment

Info

Publication number: CN211963348U
Application number: CN202020327100.6U
Authority: CN
Inventors: 施伟钢
Original assignee: Shaoxing Huitai Electromechanical Equipment Manufacturing Co ltd
Current assignee: Shaoxing Huitai Electromechanical Equipment Manufacturing Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-20
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a negative pressure type ultrafiltration membrane filtering device, which comprises an equipment mounting rack, an oil inlet main pipe, an oil outlet main pipe, a primary filter tank, a first oil transfer pump, a heating tank, an oil storage tank, an ultrafiltration membrane filter box device, a vacuum tank assembly, a second oil transfer pump, a primary filter tank, a first oil transfer pump, a heating tank, an oil storage tank, an ultrafiltration membrane filter box device, a vacuum tank assembly and a second oil transfer pump, wherein the primary filter tank is sequentially connected with the oil inlet main pipe, the output end of the second oil transfer pump is connected with the oil outlet main pipe, and a control box is also fixedly arranged on the equipment mounting rack. Meanwhile, the aims of reducing consumption and improving efficiency of the filter material are also fulfilled.

Description

Negative pressure formula milipore filter filtration equipment

Technical Field

The utility model belongs to the technical field of the oil strain equipment manufacture technique and specifically relates to a negative pressure formula milipore filter filtration equipment is related to.

Background

At present, when various known industrial lubricating oils such as gear oil, hydraulic oil, insulating oil, turbine oil and the like are subjected to 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 larger 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 particles blocked in the filter material are not easy to clean due to the high precision of the filter material, the filter material can only be scrapped, the higher the precision of.

Meanwhile, because of the limitation of the precision of the filter material, the filter material widely used at present can not filter the oxidized colloid and other impurities suspended in the oil liquid, wherein the particle diameter of the oxidized colloid is less than more than 3 microns, so that 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a negative pressure formula milipore filter filtration equipment.

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

the utility model provides a negative pressure formula milipore filter filtration equipment, includes equipment fixing frame, prefiltration jar, first fuel delivery pump, heating tank, oil storage tank, milipore filter case device, vacuum tank subassembly, second fuel delivery pump, oil feed are responsible for, the person in charge of producing oil, prefiltration jar, first fuel delivery pump, heating tank, oil storage tank, milipore filter case device, vacuum tank subassembly, second fuel delivery pump link to each other and all fixed mounting on equipment fixing frame in proper order the pipeline, prefiltration jar is responsible for the pipeline with the oil feed and is linked to each other, second fuel delivery pump output is responsible for the pipeline with producing oil and is linked to each other, last still fixed mounting of equipment fixing frame has the control box.

A plurality of walking wheels are installed at the bottom of the equipment installation frame.

The primary filter tank is internally provided with a filter bag, the upper end of the primary filter tank is provided with a primary filter tank oil inlet pipe, the primary filter tank oil inlet pipe is connected with an oil inlet main pipe pipeline, the primary filter tank oil inlet pipe and the oil inlet main pipe connecting pipeline are provided with a primary filter tank oil inlet electromagnetic valve, the bottom of the primary filter tank is provided with a primary filter tank oil outlet, the top of the primary filter tank is provided with a primary filter tank vent valve, the primary filter tank oil outlet is connected with a first oil transfer pump input end pipeline, the heating tank is internally provided with a heating rod, the bottom of the heating tank is provided with a heating tank oil inlet pipe, the heating tank oil inlet pipe is connected with a first oil transfer pump output end pipeline, the top of the heating tank is provided with a heating tank oil outlet pipe, the upper end of the oil storage tank is provided with an oil storage tank oil inlet pipe, the oil storage tank oil inlet pipe is connected with a heating tank oil outlet pipe, the bottom, the oil storage tank top is equipped with the gassing return bend, install first window on the oil storage tank lateral wall and be used for observing the interior fluid state of oil storage tank, install first liquid level pipe on the oil storage tank lateral wall and be used for observing oil storage tank liquid level height, install first floater liquid level controller on the oil storage tank and be used for controlling oil storage tank oil level height.

The ultrafiltration membrane filter box device comprises a filter box body, a filter element assembly, a filter element gland and a filter element locking cover assembly, wherein the top of the filter box body is provided with a box top outlet pipe, the lower end of the side wall of the filter box body is provided with a box bottom outlet pipe, the top of the oil storage tank is connected with two air inlet bent pipes, the two air inlet bent pipes are respectively connected with the box top outlet pipe and the box bottom outlet pipe, the highest height of the filter box body is lower than the lowest oil liquid level control height of a first floating ball liquid level controller, the upper end face of the filter box body is provided with a filter element installation platform with a plurality of uniformly distributed settings, the filter element assembly penetrates and is inserted on the filter element installation platform, the filter element gland is tightly pressed on the filter element assembly and is locked and connected with the filter element installation platform through the filter element locking cover assembly, install waste oil output valve on the waste oil output tube, it advances oil pipe to be connected with the rose box on the rose box lateral wall, the rose box advances oil pipe and links to each other with the oil storage tank oil outlet pipe pipeline, it is equipped with rose box oil return pipe to filter the bottom half, the prefilter jar advances to be connected with the prefilter jar oil return mouth of pipe on the oil pipe, rose box oil return pipe links to each other with the oil return mouth of pipe pipeline of prefilter jar, the setting of prefilter jar oil return mouth of pipe is saying behind the prefilter jar oil feed solenoid valve.

The filter element assembly comprises a filter element fixing flange plate and a filter element, wherein the filter element is fixedly arranged on the filter element fixing flange plate, a filter element oil outlet hole is arranged on the filter element fixing flange plate in a penetrating manner, sealing rings are respectively arranged on the upper end face and the lower end face of the filter element fixing flange plate, 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 of the three-way pipe are respectively arranged as an oil outlet pipe orifice of a filter box and a backflushing air inlet pipe orifice of the filter element, a filter element oil outlet electromagnetic valve is arranged on the oil outlet pipe orifice of the filter box, a backflushing air inlet electric valve is arranged on the backflushing air inlet pipe orifice of the filter element, the filter element gland assembly comprises an upper lock seat, a lower lock seat and a lock position screw rod, the upper lock seat is provided with a screw rod moving groove, the lower lock seat is rotatably inserted with a rotating pin shaft, the locking screw rod is vertically welded on the rotating pin shaft, and the locking screw rod is provided with a flying ring nut in a threaded manner.

The vacuum tank assembly comprises a vacuum tank, a vacuum oil inlet tank and a vacuum pump, the vacuum oil inlet tank is connected with a vacuum tank pipeline, an oil outlet pipe orifice pipeline of a filter box of a three-way pipe at the top of the filter element gland is connected to the vacuum oil inlet tank, a vacuum pressure gauge is installed on the vacuum oil inlet tank, a vacuum tank air suction port is formed in the top of the vacuum tank and is connected with the vacuum pump pipeline, the vacuum pump is connected with a cooling water tank and is used for circularly cooling the vacuum pump, an air filter is installed on a connecting pipeline of the vacuum tank air suction port and the vacuum pump, a second floating ball liquid level controller is installed on the vacuum tank and is used for controlling the oil level in the vacuum tank, a vacuum tank air inlet pipe is further connected to the top of the vacuum tank, a vacuum tank air inlet electromagnetic valve is installed on the vacuum tank air inlet pipe, a vacuum tank oil outlet, install the second window on the vacuum tank lateral wall and be used for observing the interior fluid state of vacuum tank, install second liquid level pipe on the vacuum tank lateral wall and be used for observing vacuum tank liquid level height.

The oil filter is characterized in that the first oil transfer pump, the second oil transfer pump, the oil inlet electromagnetic valve of the primary filter tank, the first floating ball liquid level controller, the second floating ball liquid level controller, the air inlet electromagnetic valve of the vacuum tank, the recoil air inlet electric valve and the oil outlet electromagnetic valve of the filter element are all connected to the control box through lines, the control box is provided with an oil temperature control area, and the control box is provided with a plurality of control buttons.

The utility model has the advantages that: the utility model discloses equipment utilizes the reverse absorption of vacuum negative pressure and filters fluid, has solved the impurity particle in the fluid and has piled up easily and cause the condemned difficult problem of filter core on the filter media, can be applied to the filtration of all kinds of industrial lubricating oil with the milipore filter media of high accuracy, overcome the limitation that current filtration technique can't improve again to filter fineness, has promoted the cleanliness after the oil filters, has ensured the lubricating property and the life of all kinds of equipment, has still realized the purpose to the consumption reduction increase of filter media simultaneously.

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, a negative pressure formula milipore filter filtration equipment, including equipment fixing frame 1, prefiltration jar 2, first fuel delivery pump 3, heating tank 4, oil storage tank 5, milipore filter rose box device 6, vacuum tank subassembly 7, second fuel delivery pump 8, the oil feed is responsible for 9, the person in charge of producing oil 10, prefiltration jar 2, first fuel delivery pump 3, heating tank 4, oil storage tank 5, milipore filter rose box device 6, vacuum tank subassembly 7, second fuel delivery pump 8 is the pipeline in proper order and links to each other and all fixed mounting on equipment fixing frame 1, prefiltration jar 2 is responsible for 9 pipelines with the oil feed and links to each other, 8 output ends of second fuel delivery pump are responsible for 10 pipelines with producing oil and link 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 the top of the filter box body 61 is provided with a box top air outlet pipe 611, the lower end of the side wall of the filter box body 61 is provided with a box bottom air outlet pipe 612, the top of the oil storage tank 5 is connected with two air inlet bent pipes 54, 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 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 ensures the full oil state, the box top air outlet pipe 611 and the box bottom air outlet pipe 612 guide air in the oil in the filter box body 61 into the oil storage tank 5 to be discharged through an air outlet bent pipe 53, the phenomenon, the filter element assembly 63 penetrates and is inserted on the filter element mounting platform 62, the 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 the filter element locking cover assembly 65, the filter element assembly 63 is different from the traditional built-in mounting, and the external pressing and sealing mounting structural design is adopted, so that the filter element assembly 63 is convenient to replace and clean, the upper end of the filter box body 61 is connected with an oil receiving ring groove 66 along one circle of the outer side wall, the oil receiving ring groove 66 is connected with a waste oil output pipe 661, a waste oil output valve 662 is mounted on the waste oil output pipe 661, in the process of dismounting the filter element assembly 63, residual oil on the filter element assembly 63 can drip onto the filter box body 61, if flowing freely, the surface of the filter box body 61 is greasy, the ground of an operation place can be polluted, personnel can slide down, accidents are caused, the dripping oil can be, the waste oil is discharged according to needs through a waste oil output pipe 661, a filter box oil inlet pipe 67 is connected on the side wall of the filter box body 61, the filter box oil inlet pipe 67 is connected with the oil storage tank oil outlet pipe 52 through a pipeline, a filter box oil return pipe 68 is arranged at the bottom of the filter box body 61, a filter box oil inlet valve 671 is arranged on the filter box oil inlet pipe 67, a filter box oil return valve 681 is arranged on the filter box oil return pipe 68, a primary filter tank oil return pipe orifice 26 is connected with the primary filter tank oil inlet pipe orifice 22, the filter box oil return pipe 68 is connected with the primary filter tank oil return pipe orifice 26 through a pipeline, the primary filter tank oil return pipe orifice 26 is arranged at the rear of the primary filter tank oil inlet electromagnetic valve 23, a return pipeline communicated with the primary filter tank 2 is arranged at the bottom of the filter box body 61, when the oil is filtered, the residual oil is heated in a circulating manner, the temperature of the oil is guaranteed, the primary filter tank oil, can continuously return oil.

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

1. The utility model provides a negative pressure formula milipore filter filtration equipment, includes equipment fixing frame (1), prefiltration jar (2), first fuel delivery pump (3), heating tank (4), oil storage tank (5), milipore filter case device (6), vacuum tank subassembly (7), second fuel delivery pump (8), the oil feed is responsible for (9), the main pipe (10) of producing oil, its characterized in that: prefiltration jar (2), first petroleum pump (3), heating tank (4), oil storage tank (5), milipore filter case device (6), vacuum tank subassembly (7), second petroleum pump (8) pipeline link to each other and all fixed mounting on equipment fixing frame (1) in proper order, prefiltration jar (2) are responsible for (9) pipeline with the oil feed and are linked to each other, second petroleum pump (8) output is responsible for (10) pipeline with producing oil and is linked to each other, it has control box (11) to go up still fixed mounting on equipment fixing frame (1).

2. The negative pressure type ultrafiltration membrane filtration apparatus of claim 1, wherein: a plurality of walking wheels (101) are installed to equipment fixing frame (1) bottom.

3. The negative pressure type ultrafiltration membrane filtration apparatus of claim 1, wherein: the filter bag (21) is installed in the primary filter tank (2), a primary filter tank oil inlet pipe (22) is arranged at the upper end of the primary filter tank (2), the primary filter tank oil inlet pipe (22) is connected with an oil inlet main pipe (9) pipeline, a primary filter tank oil inlet electromagnetic valve (23) is installed on a connecting pipeline of the primary filter tank oil inlet pipe (22) and the oil inlet main pipe (9), a primary filter tank oil outlet (24) is arranged at the bottom of the primary filter tank (2), a primary filter tank vent valve (25) is installed at the top of the primary filter tank (2), the primary filter tank oil outlet (24) is connected with an input end pipeline of a first oil transfer pump (3), a heating rod (41) is installed in the heating tank (4), a heating tank oil inlet pipe (42) is arranged at the bottom of the heating tank (4), the heating tank oil inlet pipe (42) is connected with an output end pipeline of the first oil transfer pump (3), a heating tank (4) is provided with a heating tank, oil storage tank (5) upper end is equipped with oil storage tank and advances oil pipe (51), oil storage tank advances oil pipe (51) and links to each other with heating tank oil pipe (43) pipeline, oil storage tank (5) bottom is equipped with oil storage tank oil pipe (52), oil storage tank oil pipe (52) link to each other with milipore filter case device (6) pipeline, oil storage tank (5) top is equipped with gassing return bend (53), install first window (55) on oil storage tank (5) lateral wall and be used for observing oil storage tank (5) interior oil liquid state, install first liquid level pipe (56) on oil storage tank (5) lateral wall and be used for observing oil storage tank (5) liquid level height, install first floater liquid level controller (57) on oil storage tank (5) and be used for controlling oil storage tank (5) oil level height.

4. The negative pressure type ultrafiltration membrane filtration apparatus of claim 3, wherein: ultrafiltration membrane filter tank device (6) is including filtering box (61), filter element group spare (63), filter core gland (64), filter core locking closure subassembly (65), it is equipped with roof outlet duct (611) to filter box (61) top, it is equipped with bottom of the case outlet duct (612) to filter box (61) lateral wall lower extreme, oil storage tank (5) top is connected with two return air pipes (54), two return air pipes (54) link to each other with roof outlet duct (611), bottom of the case outlet duct (612) pipeline respectively, the highest height of filtering box (61) is less than first floater liquid level controller (57) minimum oil level control height, filter element mounting platform (62) that are equipped with a plurality of equipartitions and set up on filtering box (61) up end, filter element group spare (63) runs through the cartridge on filter core mounting platform (62), filter core gland (64) sticiss on filter element group spare (63) and through filter core locking closure subassembly (65) and filter core mounting platform (65), (65) 62) Locking connection, it connects oil ring groove (66) to be connected with along the lateral wall round in filtration box (61) upper end, connect and be connected with waste oil output tube (661) on oil ring groove (66), install waste oil output valve (662) on waste oil output tube (661), it advances oil pipe (67) to be connected with the rose box on filtration box (61) the lateral wall, the rose box advances oil pipe (67) and goes out oil pipe (52) pipeline with the oil storage tank and links to each other, it returns oil pipe (68) to be equipped with the rose box bottom filtration box (61), it advances oil pipe mouth (26) to be connected with prefilter tank oil return on pipe (22) to prefilter tank, rose box returns oil pipe (68) and links to each other with prefilter tank's oil return mouth of pipe (26) pipeline, prefilter tank oil return mouth of pipe (26) sets up and advances oil solenoid valve (.

5. The negative pressure type ultrafiltration membrane filtration apparatus of claim 4, wherein: filter element group (63) includes filter media mounting flange board (631), filter core filter media (632) fixed mounting is on filter media mounting flange board (631), 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, filter core gland (64) top is connected with three-way pipe (641), three-way pipe (641) lower extreme links to each other with filter core gland (64), three-way pipe (641) are controlled both ends and are established respectively to rose box oil outlet pipe mouth (642), filter core recoil air inlet pipe mouth (643), install filter core oil outlet solenoid valve (644) on rose box oil outlet pipe mouth (642), install recoil air inlet electric valve (645) on filter core recoil air inlet pipe mouth (643), filter core lock lid group spare (65) are including lock seat (651) Lower lock seat (652), lock position screw rod (654), a plurality of lock seat (651) fixed connection is on filter core gland (64) lateral margin, and is a plurality of lock seat (652) fixed connection is on filter core mounting platform (62) lateral wall down, and is a plurality of lock seat (651) and lock seat (652) one-to-one setting down, be equipped with screw rod motion groove (6511) on lock seat (651), it has swivel pin (653) to rotate the cartridge on lock seat (652) down, lock position screw rod (654) vertical welding is on swivel pin (653), lock position screw rod (654) are gone up the screw thread and are installed eye nut (655).

6. The negative pressure type ultrafiltration membrane filtration apparatus of claim 5, wherein: the vacuum tank assembly (7) comprises a vacuum tank (71), a vacuum oil inlet tank (72) and a vacuum pump (73), the vacuum oil inlet tank (72) is connected with a vacuum tank (71) pipeline, a filter tank oil outlet pipe port (642) of a filter element gland (64) top three-way pipe (641) is connected to the vacuum oil inlet tank (72) through a pipeline, a vacuum pressure gauge (721) is installed on the vacuum oil inlet tank (72), a vacuum tank air suction port (711) is arranged at the top of the vacuum tank (71), the vacuum tank air suction port (711) is connected with the vacuum pump (73) through a pipeline, the vacuum pump (73) is connected with a cooling water tank (74) and used for circularly cooling the vacuum pump (73), an air filter (75) is installed on the vacuum tank air suction port (711) and the vacuum pump (73) connecting pipeline, a second liquid level controller (76) is installed on the vacuum tank (71) and used for controlling the oil level in the vacuum floating ball tank (, vacuum tank (71) top still is connected with vacuum tank intake pipe (77), install vacuum tank air inlet solenoid valve (771) on vacuum tank intake pipe (77), vacuum tank (71) bottom is equipped with vacuum tank oil-out (712), vacuum tank oil-out (712) link to each other with second oil transfer pump (8) input pipeline, install second window (713) on vacuum tank (71) lateral wall and be used for observing oil liquid state in vacuum tank (71), install second liquid level pipe (714) on vacuum tank (71) lateral wall and be used for observing vacuum tank (71) liquid level height.

7. The negative pressure type ultrafiltration membrane filtration apparatus of claim 6, wherein: the oil filter is characterized in that 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), and the control box (11) is provided with a plurality of control buttons (112).