CN212396101U

CN212396101U - Vacuum liquid suction filtration device

Info

Publication number: CN212396101U
Application number: CN202020901077.7U
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: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-26
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a vacuum liquid suction filtration device, which comprises a frame platform, a filtration system and a vacuum system, wherein the filtration system and the vacuum system are fixedly arranged on the frame platform, the filtration system is used for pumping liquid for filtration and output, the vacuum system comprises a vacuum tank, the vacuum system is connected with the vacuum tank, and the vacuum system is used for vacuumizing the vacuum tank, the utility model has reasonable structural layout, can quickly pump gas and liquid in an engine oil tank together, has high pumping efficiency and less pumping residual rate, meets the requirement of engine production line on the quick detection of the production line of the oil tank, and after the pumped liquid is subjected to gas-liquid separation and two-pass filtration, the cleanliness is higher, the recycling requirement is met, the cost of detection oil is saved, the utility model discloses an oil filter tank adopts the reverse filtration structural design, the filtration effect is good, the filter element is convenient to replace and clean, and the filter element loss rate is not high, the filtering cost is low, and the filtering impurities are cleaned conveniently.

Description

Vacuum liquid suction filtration device

Technical Field

The utility model belongs to the technical field of the oil pumping equipment technique of making and specifically relates to a vacuum liquid suction filtration device is related to.

Background

The engine is an important power component in equipment such as automobiles and engineering machinery, the oil tank is an engine heart, blood can be continuously provided for the engine to generate power, after the engine finishes production, the important component of the oil tank needs to be subjected to oil filling test to detect whether adverse conditions such as oil leakage exist, after the oil tank is detected, test oil needs to be discharged, the existing discharge technology is to open an oil drain plug at the bottom of the oil tank and press the oil out of an oil drain pipe by adopting air pressure, the oil drain efficiency of the technology is low, the residual rate of the detection oil in the oil tank is high, the oil tank cannot be easily discharged, the operation efficiency of an oil tank detection assembly line is low, the rework liquid discharge rate is high, the overall production efficiency is seriously influenced, and the factory detection cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a vacuum liquid suction filter device.

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

the utility model provides a vacuum liquid suction filtration device, includes rack platform, filtration system, vacuum system fixed mounting are on rack platform, filtration system is used for suction liquid to filter and export, vacuum system includes the vacuum tank, vacuum system links to each other with the vacuum tank, vacuum system is used for the evacuation of vacuum tank.

And traveling wheels are arranged at four corners below the rack platform.

The filtration system also comprises a primary filtration tank, a liquid outlet pump and a fine filtration tank, wherein the primary filtration tank comprises a sealing cover, a filtration tank body and a locking cover component, the sealing cover and the filtration tank body are connected in a locking way through a plurality of locking cover components, a sealing ring groove is formed in the sealing cover, a sealing ring is installed in the sealing ring groove, a filter element installation screw base is connected to the inner side of the sealing cover, a filter element is installed on the filter element installation screw base in a threaded way, a primary filtration tank oil inlet is formed in the side wall of the primary filtration tank, a primary filtration tank oil outlet is formed in the outer side wall of the sealing cover, a primary filtration tank slag discharge port is formed in the bottom of the primary filtration tank, a vacuum tank oil inlet is formed in the side wall of the vacuum tank, the vacuum tank oil inlet is connected with a primary filtration tank oil outlet pipeline, a vacuum tank oil outlet is formed in the bottom of the, the fine filtration tank is manufactured by adopting the same structure as the primary filtration tank, a fine filtration tank oil inlet is arranged on a filtration tank body of the fine filtration tank, the fine filtration tank oil inlet is connected with an oil outlet end pipeline of the liquid outlet pump, a fine filtration tank oil outlet is arranged on a sealing cover of the fine filtration tank, and a fine filtration tank residue discharge port is arranged below the fine filtration tank.

Install first window, first liquid level pipe on the vacuum tank lateral wall, install the second window on the primary filter jar lateral wall.

The locking cover assembly comprises an upper locking seat, a lower locking seat and a locking screw, the upper locking seat is connected to the side edge of the sealing cover, the lower locking seat is connected to the outer side wall of the filter tank body, the mounting position of the upper locking seat corresponds to the lower locking seat, a screw moving groove is formed in the upper locking seat, a rotating pin shaft is inserted into the lower locking seat in a rotating 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 mode.

And the oil inlet port of the liquid outlet pump is connected with a vacuum tank liquid outlet on a connecting pipeline with the oil outlet of the vacuum tank.

The vacuum tank top is equipped with the vacuum tank extraction opening, vacuum system includes vacuum pump, steam settling cask, coolant tank, steam settling cask upper end is equipped with the settling cask air inlet, the settling cask air inlet links to each other with vacuum tank extraction opening pipeline, install vapour and liquid separator on settling cask air inlet and the vacuum tank extraction opening connecting pipeline, steam settling cask top is equipped with the settling cask gas outlet, the settling cask gas outlet links to each other with the vacuum pump pipeline, steam settling cask bottom is equipped with the drain, install the second liquid level pipe on the steam settling cask lateral wall, coolant tank links to each other with the vacuum pump pipeline.

The rack platform is further provided with an electric control system, the electric control system comprises an electric cabinet, a pressure controller is fixedly mounted on the side wall of the electric cabinet, a pressure controller interface is mounted on the side wall of the fine filter tank, the pressure controller interface is connected with a pressure controller circuit, and a pressure gauge and a vacuum gauge are mounted at the upper end of the electric cabinet.

The oil outlet pipeline of the fine filtration tank is connected with a liquid outlet pipe assembly, the liquid outlet pipe assembly comprises an elbow joint, a straight pipe and a liquid level alarm lamp, the elbow joint and the straight pipe are fixedly connected, a liquid level control component is installed on the side wall of the straight pipe, a liquid outlet pipe fixing component is installed on the elbow joint, the liquid level control component comprises a floating ball moving rod fixing seat, a floating ball moving rod and a floating ball, the two floating ball moving rod fixing seats are fixedly installed on the side wall of the straight pipe, the two floating ball moving rod fixing seats are respectively arranged at the upper end and the lower end of the straight pipe, the floating ball moving rod is fixedly inserted on the two floating ball moving rod fixing seats, the floating ball is movably inserted on the floating ball moving rod, the upper end of the floating ball moving rod is connected with a liquid outlet pipe liquid level sensor, the liquid level alarm lamp is connected with, the liquid level clamping groove is arranged along the length direction of the floating ball motion rod, the elastic clamping ring is clamped on the liquid level clamping groove, the liquid outlet pipe fixing component comprises an elastic positioning seat and an elastic piece flaring seat, the elastic positioning seat is fixedly installed on the elbow joint and comprises a chassis and an elastic piece, the chassis is welded on the elbow joint and is connected around the outer edge of the chassis in an inclined mode, a first threading hole is formed in the chassis, a thread section is formed in the elbow joint, the elastic piece flaring seat is installed on the thread section in a threaded mode, a flaring top ring is connected below the elastic piece flaring seat and is in contact with the elastic piece, a plurality of booster rods are connected to the side wall of the elastic piece flaring seat, and a second threading hole is formed in the flaring top ring.

The utility model has the advantages that: the utility model has the advantages of reasonable layout, can take out the gas-liquid of engine oil incasement together fast from, its suction is efficient, and the suction residual rate is few, has satisfied the assembly line short-term test demand of engine production line to the oil tank, and the fluid of suction amount filters the back through gas-liquid separation and twice, and the cleanliness factor is higher, satisfies the cyclic utilization demand, has saved the oil cost of measuring, the utility model discloses the oil strain jar adopts the reverse filtration structural design, and the filter effect is good, and it is convenient that the filter core is changed, is washd, and the filter core loss rate is not high, and it is low to filter the cost, and it is very convenient to clear up the impurity of.

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 rear view of the present invention;

FIG. 4 is a schematic diagram of the connection of the components of the present invention;

FIG. 5 is a view showing the structure of the primary canister of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a structural view of the locking cover assembly of the present invention;

FIG. 8 is a structural view of the vacuum tank of the present invention;

fig. 9 is a front view of the drain tube assembly of the present invention;

fig. 10 is a structural view of a drain pipe fixing member of the present invention;

fig. 11 is a top view of the elastic positioning seat of the present invention;

fig. 12 is a view of the connection structure of the floating ball and the floating ball motion rod of the present invention.

In the figure: the device comprises a frame platform 1, a travelling wheel 11, a filtering system 2, a vacuum tank 21, a vacuum tank oil inlet 211, a vacuum tank oil outlet 212, a vacuum tank suction port 213, a vacuum tank liquid level controller 214, a first window 215, a first liquid level pipe 216, a primary filter tank 22, a sealing cover 221, a sealing ring groove 2211, a filter tank body 222, a second window 2221, a locking cover component 223, an upper locking seat 2231, a lower locking seat 2232, a rotating pin 2233, a locking screw 2234, a lifting ring nut 2235, a screw movement groove 2236, a sealing ring 224, a filter element mounting screw 225, a filter element 226, a primary filter tank oil inlet 227, a primary filter tank oil outlet 228, a primary filter tank slag discharge port 229, a liquid pump 23, a fine filter tank 24, a fine filter tank oil inlet 241, a fine filter tank oil outlet 242, a fine filter tank slag discharge port 243, a pressure controller interface 244, a vacuum tank liquid discharge port 25, a vacuum pump 3, a settling tank 31, a settling tank 32, a settling tank 321, a settling tank air outlet, The water outlet 323, the second liquid level pipe 324, the gas-liquid separator 33, the cooling water tank 34, the electronic control system 4, the electronic control box 41, the pressure controller 42, the pressure gauge 43, the vacuum gauge 44, the liquid outlet pipe assembly 5, the elbow joint 51, the threaded section 511, the straight-through pipe 52, the liquid level control member 53, the floating ball motion rod fixing seat 531, the floating ball motion rod 532, the floating ball 533, the liquid outlet pipe liquid level sensor 534, the liquid level clamping groove 535, the elastic clamping ring 536, the liquid outlet pipe fixing member 54, the elastic positioning seat 541, the chassis 5411, the elastic sheet 5412, the first threading hole 5413, the elastic sheet flaring seat 542, the flaring top ring 5421, the power-assisted rod 5422, the second threading hole 5423 and the liquid level alarm lamp 55.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the descriptions of "left", "right", etc. in the present invention all refer to fig. 1 as the reference direction:

as shown in fig. 1 to 12, a vacuum liquid suction filtration device comprises a rack platform 1, a filtration system 2, a vacuum system 3, the filtration system 2, the vacuum system 3 are fixedly installed on the rack platform 1, the filtration system 2 is used for pumping liquid for filtration and outputting, the filtration system 2 is used for carrying out two-way filtration on the pumped oil liquid, impurities in an oil tank brought along with the oil liquid are filtered, the filtered oil liquid can meet the recycling requirement and is collected again for use, the oil cost for detection is saved, the vacuum system 3 comprises a vacuum tank 21, the vacuum system 3 is connected with the vacuum tank 21, the vacuum system 3 is used for vacuumizing the vacuum tank 21, the vacuum system 3 is a power source for pumping oil, the vacuum pumping is large in suction force, the pumping speed is high, the oil liquid residual rate is low, the pumping oil pipe can be directly inserted from an oil inlet pipe of an engine oil tank for pumping, and an oil drain plug at the bottom of the engine oil tank is not required to be, the operation of pumping operating personnel is facilitated, the pumping operation time is short, the requirement of fast pumping of the assembly line can be met, oily waste gas pumped out along with oil can be subjected to gas-liquid separation after passing through the vacuum system 3, the oil is removed, and the air environment in a workshop is improved.

The four corners position all is equipped with walking wheel 11 below rack platform 1, makes the complete equipment can freely remove, can remove fast and carry out the suction operation to required station.

The filtering system 2 further comprises a primary filtering tank 22, a liquid outlet pump 23 and a fine filtering tank 24, the primary filtering tank 22 comprises a sealing cover 221, a filtering tank body 222 and a locking cover component 223, the sealing cover 221 and the filtering tank body 222 are connected in a locking manner through a plurality of locking cover components 223, a sealing ring groove 2211 is formed in the sealing cover 221, a sealing ring 224 is installed in the sealing ring groove 2211, the sealing ring 224 plays a role in connecting the sealing cover 221 and the filtering tank body 222, a filter element installation screw base 225 is connected to the inner side of the sealing cover 221, a filter element 226 is installed on the filter element installation screw base 225 in a threaded manner, the filter element 226 adopts a threaded installation structure, the assembly and disassembly are very convenient, a primary filtering tank oil inlet 227 is formed in the side wall of the primary filtering tank 22, a primary filtering tank oil outlet 228 is formed in the outer side wall of the sealing cover 221, a primary filtering tank slag outlet 229 is formed in the bottom of the primary filtering, the bottom of the vacuum tank 21 is provided with a vacuum tank oil outlet 212, the vacuum tank 21 is internally provided with a vacuum tank liquid level controller 214, when the liquid level of the pumped oil rises to the opening position of the vacuum tank liquid level controller 214, the liquid outlet pump 23 is started to discharge liquid, the oil inlet port of the liquid outlet pump 23 is connected with the pipeline of the vacuum tank oil outlet 212, the fine filter tank 24 is manufactured by adopting the same structure as the primary filter tank 22, the filter tank body 222 of the fine filter tank 24 is provided with a fine filter tank oil inlet 241, the fine filter tank oil inlet 241 is connected with the pipeline of the oil outlet end of the liquid outlet pump 23, the sealing cover 221 of the fine filter tank 24 is provided with a fine filter tank oil outlet 242, the lower part of the fine filter tank 24 is provided with a fine filter tank slag discharge port 243, the primary filter tank 22 plays a role of oil inlet, the primary filter tank oil outlet 228 is a total oil inlet of equipment, larger impurities are filtered in the primary filter tank 22 after the oil enters, the fluid that goes out is filtered once more, guarantee that the fluid that goes out reaches the recycling standard, the jar 22 is strained to the beginning and the jar 24 is strained to the essence, be different from traditional filtering means, traditional filter circuit is that fluid flows from filter 226 inside to filter outside the filter 226, the impurity of filtering off all remains in filter 226, because filter 226 inner space is little, filter 226 is easy to be stopped up by the impurity when filtering the use like this, cause the filter effect not good or filtration efficiency step-down, and filter 226 is also easy impaired, filter 226 often needs to be changed, filter cost is high, the jar reverse filtration design is strained to the filter, fluid is filtered from filter 226 outside to filter in filter 226, the impurity of filtering off stays in straining jar body 222, because the internal space 222 of straining jar is great, filter 226 is difficult to receive the jam like this, needn't change frequently, wash filter 226, and the residue of impurity can be on filter element 226 lateral surface, so as long as wash filter element 226 lateral surface just can retrieval and utilization filter element 226 once more, the impaired replacement rate of filter element 226 is low, has effectively saved the filtration cost.

Install first window 215, first liquid level pipe 216 on the lateral wall of vacuum tank 21 for observe the fluid condition of vacuum tank 21, fluid liquid level condition, install second window 2221 on the lateral wall of prefilter tank 22, be used for observing the oil feed condition of prefilter tank 22.

The locking cover assembly 223 comprises an upper locking seat 2231, a lower locking seat 2232 and a locking screw 2234, wherein the upper locking seat 2231 is connected to the side edge of the sealing cover 221, the lower locking seat 2232 is connected to the outer side wall of the filter tank body 222, the mounting position of the upper locking seat 2231 corresponds to that of the lower locking seat 2232, a screw moving groove 2236 is arranged on the upper locking seat 2231, a rotating pin 2233 is rotatably inserted into the lower locking seat 2232, the locking screw 2234 is vertically welded on the rotating pin 2233, a lifting ring nut 2235 is threadedly mounted on the locking screw 2234, when the filter tank is unlocked, the lifting ring nut 2235 is unscrewed, the locking screw 2234 is turned downwards, the locking screw 2234 is separated from the screw moving groove 2236, the unlocking separation state can be rapidly realized, when the filter tank is locked, the locking operation is reversed, and the locking can.

The connection pipeline between the oil inlet port of the liquid outlet pump 23 and the oil outlet 212 of the vacuum tank is connected with a liquid outlet 25 of the vacuum tank, and when the vacuum tank 21 is cleaned, the liquid outlet 25 of the vacuum tank can be opened to discharge liquid.

The top of the vacuum tank 21 is provided with a vacuum tank suction opening 213, the vacuum system 3 comprises a vacuum pump 31, a water vapor settling tank 32 and a cooling water tank 34, the upper end of the water vapor settling tank 32 is provided with a settling tank air inlet 321, the settling tank air inlet 321 is connected with the vacuum tank suction opening 213 through a pipeline, a gas-liquid separator 33 is installed on the connecting pipeline of the settling tank air inlet 321 and the vacuum tank suction opening 213, the gas-liquid separator 33 performs first gas-liquid separation on the oil-containing air pumped from the vacuum tank 21 to filter out water vapor, oil and other impurities in the air, the top of the water vapor settling tank 32 is provided with a settling tank air outlet 322, as the oil-containing and water-containing air in the oil tank is more, the oil-containing air cannot be filtered by the gas-liquid separator 33 at one time, the water vapor settling tank 32 performs second gas-liquid separation, the air passing through the gas-liquid, the air is dry after two times of filtration, the vacuum pump 31 is removed without causing damage faults of the vacuum pump 31, the settling tank air outlet 322 is connected with the vacuum pump 31 through a pipeline, a water outlet 323 is arranged at the bottom of the water vapor settling tank 32, a second liquid level pipe 324 is arranged on the side wall of the water vapor settling tank 32 and used for observing the liquid level of the water vapor settling tank 32, the water amount of the water vapor settling tank 32 is increased and then discharged through the water outlet 323, the cooling water tank 34 is connected with the vacuum pump 31 through a pipeline, and the cooling water tank 34 performs circulating cooling on the vacuum pump 31 in work.

The rack platform 1 is further provided with an electric control system 4, the electric control system 4 comprises an electric cabinet 41 and is used for controlling electric appliances of the whole equipment, a pressure controller 42 is fixedly installed on the side wall of the electric cabinet 41, a pressure controller interface 244 is installed on the side wall of the fine filtration tank 24, the pressure controller interface 244 is connected with the pressure controller 42 through a circuit and monitors the pressure of the fine filtration tank 24 through the pressure controller 42, when the fine filtration tank 24 is blocked and the pressure is higher, the pressure controller 42 disconnects the circuit of the whole equipment and stops the equipment from running, a pressure gauge 43 and a vacuum gauge 44 are installed at the upper end of the electric cabinet 41, and the pressure of the fine filtration tank 24 and the vacuum degree of the vacuum tank 21 are observed.

The oil outlet 242 of the fine filtering tank is connected with a liquid outlet pipe component 5 through a pipeline, the filtered oil liquid needs to flow back into the oil drum again for storage for reuse, if the oil drum is directly connected with the oil drum through the pipeline, whether the oil drum is full of oil is not easy to judge, when the oil discharge is excessive, the oil liquid in the oil drum overflows to pollute the ground, and when the oil discharge is excessive, an oil discharge impact force exists, the pipeline is easy to separate from an oil inlet of the oil drum, and a pollution accident is caused by spilling, therefore, the utility model uses the liquid outlet pipe component 5, the liquid outlet pipe component 5 comprises an elbow joint 51, a straight pipe 52 and a liquid level alarm lamp 55, the elbow joint 51 and the straight pipe 52 are fixedly connected, the elbow joint 51 is connected with the oil outlet 242 of the fine filtering tank through the pipeline 52, the straight pipe 52 is inserted into the oil drum for oil discharge, a liquid level control component 53 is installed on the side wall of the straight pipe 52, the liquid level control component 53 comprises a floating ball motion rod fixing seat 531, a floating ball motion rod 532 and a floating ball 533, wherein the two floating ball motion rod fixing seats 531 are fixedly arranged on the side wall of the through pipe 52, the two floating ball motion rod fixing seats 531 are respectively arranged at the upper end and the lower end of the through pipe 52, the floating ball motion rod 532 is fixedly inserted on the two floating ball motion rod fixing seats 531, the floating ball 533 is movably inserted on the floating ball motion rod 532, the upper end of the floating ball motion rod 532 is connected with a liquid outlet pipe liquid level sensor 534, a liquid level alarm lamp 55 is connected with the liquid outlet pipe liquid level sensor 534 through a circuit, the floating ball motion rod 532 is provided with a plurality of liquid level clamping grooves 535, the plurality of liquid level clamping grooves 535 are arranged along the length direction of the floating ball motion rod 532, and an elastic clamping ring 536 is clamped on the liquid level clamping grooves 535, the floating ball 533 is pushed by oil to move up and down on the floating ball motion rod 532, the liquid level clamping groove 535 determines the position of the highest liquid level of the oil drum, the elastic clamping ring 536 is installed on the liquid level clamping groove 535 with the required height, after the oil enters the oil drum, the floating ball 533 is pushed to rise, when the floating ball 533 floats and pushes the installed elastic clamping ring 536, the liquid outlet pipe liquid level sensor 534 gives a stop signal, the liquid level is the required highest liquid level, meanwhile, the liquid level alarm lamp 55 also receives an electric signal of the liquid outlet pipe liquid level sensor 534, the alarm lamp flashes to remind an operator that the oil drum is full and needs to be replaced, the liquid outlet pipe fixing component 54 comprises an elastic 541 positioning seat and an elastic sheet flaring seat 542, the elastic positioning seat 541 is fixedly installed on the elbow joint 51, the elastic positioning seat 541 comprises a chassis 5411 and elastic sheets 5412, the chassis 5411 is welded on the elbow joint 51, and a plurality, the base plate 5411 is provided with a first threading hole 5413, the elbow joint 51 is provided with a threading section 511, an elastic sheet flaring seat 542 is installed on the threading section 511 in a threaded manner, a flaring top ring 5421 is connected below the elastic sheet flaring seat 542, the flaring top ring 5421 is contacted with an elastic sheet 5412, the upper end of the side wall of the elastic sheet flaring seat 542 is connected with a plurality of booster rods 5422, the flaring top ring 5421 is provided with a second threading hole 5423, when in use, the liquid outlet pipe assembly 5 is inserted into an oil drum, the liquid outlet pipe fixing member 54 is positioned at the position of an oil inlet, the booster rods 5422 are pushed to enable the elastic sheet flaring seat 542 to descend, the flaring top ring 5421 pushes the elastic sheet 5412 open, the liquid outlet pipe fixing member 54 is clamped on the oil inlet of the oil drum, the liquid outlet pipe assembly 5 is ensured to be stably fixed on the oil drum, the first threading hole 5413 and the second threading hole 5423 are used for threading of the liquid outlet pipe liquid, the warning signal is directly perceived, and its fixed on the oil drum is reliable moreover, can prevent that oil pipe from breaking away from, makes operating personnel's oil drain operation convenient, environmental protection.

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 vacuum liquid suction filtration device, includes rack platform (1), filtration system (2), vacuum system (3), its characterized in that: the filter system (2) and the vacuum system (3) are fixedly installed on the rack platform (1), the filter system (2) is used for pumping liquid to filter and output, the vacuum system (3) comprises a vacuum tank (21), the vacuum system (3) is connected with the vacuum tank (21), the vacuum system (3) is used for vacuumizing the vacuum tank (21), the filter system (2) further comprises a primary filter tank (22), a liquid outlet pump (23) and a fine filter tank (24), the primary filter tank (22) comprises a sealing cover (221), a filter tank body (222) and a locking cover component (223), the sealing cover (221) and the filter tank body (222) are connected in a locking manner through a plurality of locking cover components (223), a sealing ring groove (2211) is formed in the sealing cover (221), a sealing ring (224) is installed in the sealing ring groove (2211), and a filter element installation screw base (225) is connected to the inner side of the sealing cover (221), the filter element (226) is installed on the filter element installation screw base (225) in a threaded mode, a primary filter tank oil inlet (227) is formed in the side wall of the primary filter tank (22), a primary filter tank oil outlet (228) is formed in the outer side wall of the sealing cover (221), a primary filter tank slag discharge port (229) is formed in the bottom of the primary filter tank (22), a vacuum tank oil inlet (211) is formed in the side wall of the vacuum tank (21), the vacuum tank oil inlet (211) is connected with the primary filter tank oil outlet (228) through a pipeline, a vacuum tank oil outlet (212) is formed in the bottom of the vacuum tank (21), a vacuum tank liquid level controller (214) is installed in the vacuum tank (21), an oil inlet port of the liquid outlet pump (23) is connected with a vacuum tank oil outlet (212) through a pipeline, the fine filter tank (24) is manufactured in the same structure as the primary filter tank (22), and a fine filter tank oil inlet (241) is, the oil inlet (241) of the fine filtration tank is connected with the oil outlet end pipeline of the liquid outlet pump (23), the oil outlet (242) of the fine filtration tank is arranged on the sealing cover (221) of the fine filtration tank (24), the residue discharge port (243) of the fine filtration tank is arranged below the fine filtration tank (24), the vacuum tank (21) is provided with a vacuum tank pumping port (213) at the top, the vacuum system (3) comprises a vacuum pump (31), a water vapor settling tank (32) and a cooling water tank (34), the upper end of the water vapor settling tank (32) is provided with a settling tank air inlet (321), the settling tank air inlet (321) is connected with the vacuum tank pumping port (213) pipeline, the air-liquid separator (33) is arranged on the connection pipeline of the settling tank air inlet (321) and the vacuum tank pumping port (213), the settling tank air outlet (322) is arranged at the top of the water vapor settling tank (32), and the settling tank air, the bottom of the water vapor settling tank (32) is provided with a water outlet (323), the side wall of the water vapor settling tank (32) is provided with a second liquid level pipe (324), and the cooling water tank (34) is connected with a vacuum pump (31) through a pipeline.

2. A vacuum liquid suction filtration apparatus as claimed in claim 1, wherein: and traveling wheels (11) are arranged at four corners below the rack platform (1).

3. A vacuum liquid suction filtration apparatus as claimed in claim 1, wherein: install first window (215), first liquid level pipe (216) on vacuum tank (21) lateral wall, install second window (2221) on primary filter tank (22) lateral wall.

4. A vacuum liquid suction filtration apparatus as claimed in claim 1, wherein: the lock cover assembly (223) comprises an upper lock seat (2231), a lower lock seat (2232) and a lock position screw rod (2234), wherein the upper lock seat (2231) is connected to the side edge of the sealing cover (221), the lower lock seat (2232) is connected to the outer side wall of the filter tank body (222), the mounting position of the upper lock seat (2231) corresponds to the lower lock seat (2232), a screw rod movement groove (2236) is formed in the upper lock seat (2231), a rotating pin shaft (2233) is inserted into the lower lock seat (2232) in a rotating mode, the lock position screw rod (2234) is vertically welded to the rotating pin shaft (2233), and a lifting ring nut (2235) is installed on the lock position screw rod (2234) through threads.

5. A vacuum liquid suction filtration apparatus as claimed in claim 1, wherein: and a vacuum tank liquid outlet (25) is connected to a connection pipeline between the oil inlet port of the liquid outlet pump (23) and the vacuum tank oil outlet (212).

6. A vacuum liquid suction filtration apparatus as claimed in claim 1, wherein: the frame platform (1) is further provided with an electric control system (4), the electric control system (4) comprises an electric control box (41), a pressure controller (42) is fixedly installed on the side wall of the electric control box (41), a pressure controller interface (244) is installed on the side wall of the fine filtering tank (24), the pressure controller interface (244) is connected with the pressure controller (42) through a circuit, and a pressure gauge (43) and a vacuum gauge (44) are installed at the upper end of the electric control box (41).

7. A vacuum liquid suction filtration apparatus as claimed in claim 1, wherein: the oil outlet (242) of the fine filtration tank is connected with a liquid outlet pipe assembly (5) through a pipeline, the liquid outlet pipe assembly (5) comprises an elbow joint (51), a straight-through pipe (52) and a liquid level alarm lamp (55), the elbow joint (51) and the straight-through pipe (52) are fixedly connected, a liquid level control member (53) is installed on the side wall of the straight-through pipe (52), a liquid outlet pipe fixing member (54) is installed on the elbow joint (51), the liquid level control member (53) comprises a floating ball motion rod fixing seat (531), a floating ball motion rod (532) and a floating ball (533), the two floating ball motion rod fixing seats (531) are fixedly installed on the side wall of the straight-through pipe (52), the two floating ball motion rod fixing seats (531) are respectively arranged at the upper end and the lower end of the straight-through pipe (52), and the floating ball motion rod, the floating ball (533) is movably inserted on the floating ball motion rod (532), the upper end of the floating ball motion rod (532) is connected with a liquid outlet pipe liquid level sensor (534), the liquid level alarm lamp (55) is connected with a circuit of the liquid outlet pipe liquid level sensor (534), the floating ball motion rod (532) is provided with a plurality of liquid level clamping grooves (535), the liquid level clamping grooves (535) are arranged along the length direction of the floating ball motion rod (532), the liquid level clamping grooves (535) are clamped with an elastic clamping ring (536), the liquid outlet pipe fixing component (54) comprises an elastic positioning seat (541) and an elastic sheet flaring seat (542), the elastic positioning seat (541) is fixedly arranged on the elbow joint (51), the elastic positioning seat (541) comprises a chassis (5411) and an elastic sheet (5412), the chassis (5411) is welded on the elbow joint (51), and the elastic sheets (5412) are uniformly distributed and obliquely connected around the chassis (5411), first through wires hole (5413) have been seted up on chassis (5411), be equipped with screw thread section (511) on elbow fitting (51), flexure strip flaring seat (542) screw thread is installed on screw thread section (511), flexure strip flaring seat (542) below is connected with flaring top ring (5421), flaring top ring (5421) contact with flexure strip (5412), flexure strip flaring seat (542) lateral wall upper end is connected with a plurality of helping hand poles (5422), second through wires hole (5423) have been seted up on flaring top ring (5421).