Disclosure of Invention
Based on the above, the invention aims to provide a high-pressure cleaning machine, which solves the problems of complex structure, no secondary utilization of slag liquid, poor cleaning effect caused by manual flushing and environmental pollution caused by slag liquid in the high-pressure cleaning machine in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a high pressure washer comprising: the power device comprises a power source, and a vacuum pump and a booster pump assembly which are respectively connected with the power source; an injection device connected to an outlet end of the booster pump assembly and configured to inject high pressure water toward a piece to be cleaned; a slag liquid recovery device including a recovery tank having one end connected with the vacuum pump and configured to recover slag liquid; and the filtering device can be communicated with the other end of the recovery tank and is configured to filter the slag liquid recovered by the slag liquid recovery device and is connected with the inlet end of the booster pump assembly.
As a preferred embodiment of the high-pressure washer, the spraying device includes:
the vehicle body is provided with a weight block;
the sealing piece is connected to the lower end of the vehicle body, and the lower end of the sealing piece is arranged in an opening way and can enclose a sealing cavity with a piece to be cleaned;
and the injection piece is connected with the inlet end of the booster pump assembly and is positioned in the sealing cavity.
As a preferred aspect of the high-pressure washer, the power device includes a hydraulic pump connected to the power source, and the spraying device includes a hydraulic driving member connected to the hydraulic pump, and the hydraulic driving member is configured to drive the spraying member to rotate.
As a preferred embodiment of the high-pressure washer, the power unit further includes:
the overflow valve is connected with the hydraulic pump and is configured to be opened when the pressure of the oil in the hydraulic pump is not less than a first preset pressure so that the oil in the hydraulic pump flows out through the overflow valve;
the oil tank is respectively connected with the hydraulic driving piece, the hydraulic pump and the overflow valve;
the hydraulic system comprises a hydraulic pump, a first three-way valve, a hydraulic pump, a hydraulic drive piece, a hydraulic pump and a hydraulic control valve, wherein an inlet of the first three-way valve is connected with the hydraulic pump, two outlets of the first three-way valve are respectively connected with the hydraulic pump and the hydraulic drive piece, the first three-way valve is configured to be communicated with the hydraulic pump and the hydraulic drive piece when the pressure of oil in the hydraulic pump is smaller than a first preset pressure, and is also configured to be communicated with the hydraulic pump and the hydraulic pump when the pressure of the oil in the hydraulic pump is not smaller than the first preset pressure.
As a preferable mode of the high-pressure cleaning machine, the booster pump assembly comprises a booster pump and a high-pressure pump which are connected, the booster pump and the high-pressure pump are respectively connected with the power source, an inlet of the booster pump is used for introducing liquid to be sprayed, and an outlet of the high-pressure pump is connected with the spraying piece.
As a preferred embodiment of the high-pressure washer, the filtering device includes:
a first filter assembly located below the recovery tank and configured to initially filter the slag liquid recovered by the recovery tank;
a second filter assembly connected to the first filter assembly and configured to re-filter the primarily filtered slag liquid;
and the third filtering assembly is positioned between the booster pump and the high-pressure pump, two ends of the third filtering assembly are respectively connected with the booster pump and the high-pressure pump, and the third filtering assembly is configured to perform third filtering on the filtered slag liquid.
As a preferable mode of the high-pressure cleaning machine, the slag liquid recovery device further comprises a vacuum connecting hose, one end of the vacuum connecting hose stretches into the sealing cavity and is configured to be capable of adsorbing slag liquid on a piece to be cleaned, and the other end of the vacuum connecting hose is communicated with the recovery tank.
As a preferable mode of the high-pressure cleaning machine, the recovery tank includes a first tank body and a second tank body located below the first tank body, the vacuum pump is communicated with the first tank body, a discharge port is provided below the second tank body, a communication hole is further provided at a lower end of the first tank body, a communication assembly and a communication valve provided at a side of the recovery tank are provided at the communication hole, the communication assembly is configured to be capable of sealing the communication hole when a pressure at a top of the second tank body is not less than a pressure at a bottom of the first tank body, and is further configured to be capable of being disengaged from the communication hole to communicate the first tank body with the second tank body when a pressure at a top of the second tank body is less than a pressure at a bottom of the first tank body, and the communication valve is configured to be capable of communicating the first tank body with the second tank body.
As a preferable scheme of the high-pressure cleaning machine, the power device comprises a gas storage tank and an air compressor, wherein the air compressor is connected with the power source, the outlet end of the air compressor is communicated with one end of the gas storage tank, and the other end of the gas storage tank is communicated with the communication valve.
As a preferred scheme of high pressure cleaner, the communication subassembly includes first weight spare, lever and second weight spare, first weight spare with the second weight spare is located respectively the both ends of lever, first weight spare is close to one side of the first jar body is equipped with the sealing member, first weight spare with the sealing member can seal the intercommunicating pore, the lever rotatable locate on the first jar body and/or the second jar body.
The beneficial effects of the invention are as follows: the high-pressure cleaning machine provided by the invention has a simple structure and a good cleaning effect, harmful gas or waste is not generated in the cleaning process, wherein the power source can provide power for the vacuum pump and the booster pump assembly, the spraying device connected with the booster pump assembly can enable sprayed high-pressure water to clean marked lines or dirt on a road surface, the slag liquid on the road surface can be recovered by the slag liquid recovery device connected with the vacuum pump, the environment is prevented from being polluted or the recycled slag liquid cannot be recycled, and the recovered slag liquid can be filtered and recycled by the filtering device.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The present embodiment provides a high-pressure cleaner capable of being used for cleaning a marking, dirt, or an indication sign or the like on a road surface, and specifically, the present embodiment is described taking the cleaning of the marking on the road surface as an example. Specifically, as shown in fig. 1 to 14, the high-pressure cleaning machine includes a power device, an injection device, a slag-liquid recovery device and a filtering device, wherein the power device includes a power source 11, and a vacuum pump 12 and a booster pump assembly respectively connected with the power source 11, the power source 11 of the embodiment is a diesel engine, the injection device is connected with an outlet end of the booster pump assembly and is configured to inject high-pressure water toward a to-be-cleaned member, and the to-be-cleaned member of the embodiment is a road surface, namely, a marking line on the road surface is cleaned. The slag liquid recycling device comprises a recycling tank 31, one end of the recycling tank 31 is connected with the vacuum pump 12, the recycling tank 31 is configured to recycle slag liquid, and the filtering device can be communicated with the other end of the recycling tank 31 and is configured to filter the slag liquid recycled by the slag liquid recycling device and is connected with the inlet end of the booster pump assembly.
The high-pressure cleaning machine that this embodiment provided simple structure, the high-pressure water that produces can stretch into the road surface hole and clear away the marking, clear away effectually, can not produce harmful gas or discarded object in the marking clear away the in-process, and can not destroy the road surface, wherein power supply 11 can provide power for vacuum pump 12 and booster pump subassembly, the injection apparatus who is connected with the booster pump subassembly can make the high-pressure water that sprays wash the marking on the road surface, the sediment liquid recovery unit who is connected with vacuum pump 12 can retrieve the sediment liquid on the road surface, filter equipment can filter the sediment liquid of retrieving and carry out the reutilization with it.
The high-pressure cleaning machine provided by the embodiment further comprises a chassis 5, as shown in fig. 1 and 2, the power device is arranged on the chassis 5, and the chassis 5 adopts a large milling machine to process a datum plane, so that the high-pressure cleaning machine has high installation precision. The surface of the chassis 5 is subjected to hot galvanizing treatment, so that the long-term corrosion resistance requirement can be met. In addition, be equipped with the toolbox on the chassis 5, the accomodating of the on-the-spot instrument of being convenient for, it is comparatively convenient to use.
Specifically, as shown in fig. 1 and 2, the power device of the present embodiment further includes a hydraulic pump 14, an overflow valve 15, an oil tank 16, and a first three-way valve 17, as shown in fig. 3 and 4, the injection device includes a hydraulic driving member 24 and an injection member 23 connected to the hydraulic pump 14, wherein the hydraulic pump 14 is connected to the power source 11, the hydraulic driving member 24 is configured to drive the injection member 23 to rotate, the overflow valve 15 is connected to the hydraulic pump 14, and is configured to open when the pressure of the oil in the hydraulic pump 14 is not less than a first preset pressure so that the oil in the hydraulic pump 14 flows out through the overflow valve 15, and is also configured to close when the pressure of the oil in the hydraulic pump 14 is less than the first preset pressure so as to ensure the safety of the entire hydraulic line, wherein the first preset pressure is greater than the pressure when the hydraulic driving member 24 is operating normally.
Namely, when the pipeline between the hydraulic driving member 24 and the hydraulic pump 14 is blocked, as the hydraulic pump 14 is always pressurizing the oil under the driving of the power source 11, if no other measures are taken, the oil can explode when the oil is raised to a certain pressure, which affects the safety of the whole power device, and the additionally arranged overflow valve 15 is opened when the pipeline between the hydraulic driving member 24 and the hydraulic pump 14 is blocked, and the oil pressure is raised to a first preset pressure, the overflow valve 15 is opened, so that the boosted oil flows to the oil tank 16 through the overflow valve 15, and the explosion of the hydraulic pipeline is prevented.
The oil tank 16 of the present embodiment is used for storing oil and is connected to the hydraulic driver 24, the hydraulic pump 14, and the relief valve 15, respectively. The first three-way valve 17 is provided with an inlet and two outlets, one inlet is connected with the hydraulic pump 14, the two outlets are respectively connected with the relief valve 15 and the hydraulic driving member 24, and the first three-way valve 17 is configured to communicate the hydraulic pump 14 and the hydraulic driving member 24 when the pressure of the oil in the hydraulic pump 14 is smaller than a first preset pressure and is also configured to communicate the hydraulic pump 14 and the relief valve 15 when the pressure of the oil in the hydraulic pump 14 is not smaller than the first preset pressure.
Namely, when the power device works normally, as the pressure of the oil in the hydraulic pump 14 is smaller than the first preset pressure, the first three-way valve 17 enables the hydraulic pump 14 and the hydraulic driving piece 24 to be in a communication state, and the overflow valve 15 is in a closed state, namely, the hydraulic oil after the hydraulic pump 14 is boosted enters the hydraulic driving piece 24 through the first three-way valve 17, and the hydraulic oil can drive the hydraulic driving piece 24 to work and recover the oil at the outlet of the hydraulic driving piece 24. Once the pipeline between the hydraulic driving piece 24 and the hydraulic pump 14 is blocked, the oil in the hydraulic pump 14 is gradually increased, when the oil is increased to or above a first preset pressure, the first three-way valve 17 enables the hydraulic pump 14 and the overflow valve 15 to be in a communicating state, and the overflow valve 15 is in an opening state, namely, the oil after the pressure of the hydraulic pump 14 is increased flows into the oil tank 16 directly through the first three-way valve 17 and the overflow valve 15, so that explosion of the hydraulic pipeline is prevented.
The booster pump assembly of this example includes a booster pump 131 and a high-pressure pump 132 connected, as shown in fig. 1 and 2, the booster pump 131 and the high-pressure pump 132 are respectively connected with the power source 11, the inlet of the booster pump 131 is used for introducing liquid to be injected, the liquid to be injected of this embodiment is normal pressure water, the booster pump 131 is used for boosting the normal pressure water for the first time, the high-pressure pump 132 is used for boosting the water after the first time for the second time so as to enable the water to meet the cleaning condition, and the outlet of the high-pressure pump 132 is connected with the injection piece 23.
Further, the high-pressure pump 132 of the present embodiment is a plunger pump, which includes three plungers 1321 disposed side by side, as shown in fig. 1, each plunger 1321 is connected to a drain pipe 1322, and each drain pipe 1322 is configured to drain sewage or air in the plunger 1321. Of course, in other embodiments of the present invention, the number of plungers 1321 of the plunger pump may be other numbers, and the high-pressure pump 132 is not limited to the plunger pump of the present embodiment, but may be other types of high-pressure pumps 132, and specifically selected according to actual needs.
The power plant of this example includes an air tank 18 and an air compressor 19, as shown in fig. 1 and 2, an input end of the air compressor 19 is connected to the power source 11, an output shaft is connected to the hydraulic pump 14, and an outlet end of the air compressor 19 is communicated with one end of the air tank 18 to store compressed air.
Preferably, the high-pressure washer of the present embodiment further comprises a controller (not shown in the drawings) and a display screen 6 connected to the controller, and as shown in fig. 1 and 2, the controller is simultaneously connected to the power source 11, the vacuum pump 12, the air compressor 19, the hydraulic pump 14, the booster pump 131, the high-pressure pump 132, the overflow valve 15, and the first three-way valve 17, and the display screen 6 is used for displaying specific information of each structural member. The controller can be an independent single-chip microcomputer or a plurality of distributed single-chip microcomputers, and a control program can be run in the single-chip microcomputer to further control the power source 11, the vacuum pump 12, the air compressor 19, the hydraulic pump 14, the booster pump 131, the high-pressure pump 132, the overflow valve 15 and the first three-way valve 17 to realize the functions.
Specifically, as shown in fig. 3, the injection device of the present embodiment includes a vehicle body 21 and a sealing member 22, where the injection member 23 and the sealing member 22 are both disposed at the lower end of the vehicle body 21, and the lower end of the sealing member 22 is disposed open and can enclose a sealing cavity with a road surface, and the injection member 23 is connected with the inlet end of the booster pump assembly and is located in the sealing cavity. As shown in fig. 3 to 5, two weight blocks 211 are provided on the vehicle body 21, and the two weight blocks 211 are provided at the front end and the rear end of the vehicle body 21, respectively. The vehicle body 21 is also provided with a support 214 and a handle 215, one end of the support 214 is fixed on the vehicle body 21, and the handle 215 is arranged at the other end of the support 214, so that a worker can conveniently push the vehicle body 21 to travel on a road surface. Of course, in other embodiments of the present invention, the carriage 214 and the handle 215 may not be provided, and the travel of the vehicle body 21 may be controlled by the controller, so that the spraying member 23 on the vehicle body 21 may clear the marking on the road surface.
Specifically, the seal 22 of the present embodiment includes a seal body 221 and seal brushes 222, as shown in fig. 3 and 4, the seal brushes 222 being located at the lower end of the seal body 221 and distributed along the circumferential direction of the seal body 221, the seal brushes 222 being capable of contacting a road surface. Further, the seal body 221 of the present embodiment includes a first seal body 2211 and a second seal body 2212, one end of the second seal body 2212 is connected with the first seal body 2211 and extends to an outside far from the first seal body 2211, the number of the second seal bodies 2212 of the present embodiment is two, and the two second seal bodies 2212 are respectively disposed at a front side and a rear side of the first seal body 2211 along the traveling direction of the vehicle body 21.
The injection member 23 of the present embodiment is provided with a communication passage and a plurality of injection passages 233, as shown in fig. 6 to 8, the communication passage communicates the booster pump assembly and the plurality of injection passages 233, and an outlet end of each injection passage 233 is provided with an injection hole 235. Specifically, the communication channel includes a main communication channel 231 and two sub communication channels 232 arranged in parallel, the main communication channel 231 communicates with the pressurizing member and the two sub communication channels 232, and each sub communication channel 232 communicates with a plurality of injection channels 233 arranged in parallel, respectively. Of course, in other embodiments of the present invention, the number of the sub-communication channels 232 is not limited to two in the present embodiment, and may be one or more than two, and specifically set according to actual needs.
Specifically, the number of the injection channels 233 of the present example is sixteen, and as shown in fig. 4 to 8, sixteen injection channels 233 are arranged in parallel in two rows, each row is composed of eight injection channels 233, and the injection channels 233 of two adjacent rows are arranged in a staggered manner, so that the high-pressure water injected from the injection channels 233 can thoroughly clear the marking on the road surface. Specifically, as shown in fig. 8, each injection channel 233 includes a first cylindrical injection channel 2331, a first horn-shaped injection channel 2332, a second cylindrical injection channel 2333 and a second horn-shaped injection channel 2334 sequentially connected along the high-pressure liquid flow direction, wherein the openings of the first horn-shaped injection channel 2332 and the second horn-shaped injection channel 2334 are gradually increased along the high-pressure water flow direction, and the arrangement ensures that the high-pressure water sprayed by the spraying member 23 has higher flow rate and impact force when sprayed along the injection channel 233, so as to ensure that the high-pressure water sprayed by the spraying member 23 can smoothly clear the marks on the road surface.
In the present embodiment, a hollow reinforcing column 25 is disposed in the injection channel 233, as shown in fig. 8, the upper end of the reinforcing column 25 extends into the first trumpet-shaped injection channel 2332, the lower end is flush with the lower end of the second cylindrical injection channel 2333, the added reinforcing column 25 improves the strength and stability of the injection member 23 in use, a gap is left between the upper portion of the reinforcing column 25 and the injection channel 233, the middle and lower portions of the reinforcing column 25 are tightly adhered to the injection channel 233, the reinforcing column 25 is provided with a penetrating hole 251, the penetrating hole 251 is located above the injection hole 235, and the central axes of the penetrating hole 251, the injection channel 233 and the injection hole 235 coincide, the diameter of the penetrating hole 251 is smaller than the diameter of the injection hole 235. When the high-pressure water is injected from the injection member 23, if the flow direction of the high-pressure water is deviated, that is, the injection direction of the high-pressure water deviates from the central axis of the injection passage 233, the high-pressure water injected from the first cylindrical injection passage 2331 cannot be entirely injected from the penetration hole 251 to the injection hole 235, so that part of the high-pressure water flows out from the pressure release hole 234, and the safety of the injection member 23 is ensured.
The injection member of this embodiment is provided with pressure release holes 234 corresponding to the injection channels 233 one by one, as shown in fig. 8 and 9, which are located below the first trumpet-shaped injection channels 2332, the number of the pressure release holes 234 is sixteen, each pressure release hole 234 corresponds to one injection channel 233, and two ends of the pressure release hole 234 are respectively communicated with the second cylindrical injection channel 2333 and the outside, that is, the pressure release holes 234 are communicated with the gap between the upper part of the reinforcing column 25 and the injection channel 233 and the outside, the central axis of the pressure release holes 234 is perpendicular to the central axis of the injection channel 233, and the pressure in the injection channels 233 can be timely released by the pressure release holes 234, so that the safety of the injection member 23 is ensured.
As shown in fig. 10, the opposite corners of the vehicle body 21 of the present embodiment are further provided with rollers, which include two front rollers 212 and two rear rollers 213, the two front rollers 212 being rotatably connected to the left and right sides of the front end of the vehicle body 21, and the two rear rollers 213 being rotatably connected to the left and right sides of the rear end of the vehicle body 21. The diameter of the front roller 212 is smaller than that of the rear roller 213, and the vehicle body 21 is tilted forward such that the center of gravity of the vehicle body 21 is moved forward, and the width of the front roller 212 is larger than that of the rear roller 213 in order to reduce the pressure of the front wheel.
The slag-liquid recycling apparatus of the present embodiment further includes a vacuum connection hose 32, as shown in fig. 10, one end of the vacuum connection hose 32 extends into the sealed cavity of the second sealing member body 2212 and is configured to be capable of adsorbing slag liquid on a road surface, and the other end is communicated with the recycling tank 31. As shown in fig. 12 and 13, the recovery tank 31 includes a first tank 311 and a second tank 312 positioned below the first tank 311, the vacuum pump 12 communicates with the first tank 311, a discharge port is provided below the second tank 312, a communication hole is further provided at a lower end of the first tank 311, a communication assembly 33 and a communication valve 34 provided beside the recovery tank 31 are provided at the communication hole, the communication assembly 33 is configured to seal the communication hole when a pressure at a top of the second tank 312 is not less than a pressure at a bottom of the first tank 311, and is further configured to disengage the communication hole to communicate the first tank 311 with the second tank 312 when a pressure at a top of the second tank 312 is less than a pressure at a bottom of the first tank 311, and the communication valve 34 is configured to communicate the first tank 311 with the second tank 312.
As shown in fig. 14, the communication assembly 33 includes a connection shaft 334, a first weight 331, a lever 332, and a second weight 333, the connection shaft 334 is fixed on the first tank 311, the first weight 331 and the second weight 333 are respectively disposed at two ends of the lever 332, a sealing pad 335 is disposed at a side of the first weight 331 near the first tank 311, the sealing pad 335 in this embodiment is a rubber gasket, the first weight 331 and the sealing member 22 can close the communication hole, and the lever 332 is rotatably disposed on the first tank 311 and/or the second tank 312.
The communicating hole of the present embodiment is further provided with a communicating pipe 35, and as shown in fig. 14, one side of the communicating pipe 35 is provided with two mounting lugs 36, and a connecting shaft 334 is mounted on the two mounting lugs 36. The communicating pipe 35 communicates with the communicating hole, and the lower end surface of the communicating pipe 35 is disposed at an angle to the horizontal plane. Specifically, the lower end face of the communicating tube 35 of the present embodiment makes an angle of 20 ° with the horizontal plane, and this arrangement enables the first weight 331 to seal the communicating hole better. Of course, in other embodiments of the present invention, the angle value of the angle formed by the lower end surface of the communicating pipe 35 and the horizontal plane is not limited to 20 ° in the present embodiment, and may be any value between 0 ° and 90 ° other than 20 °.
Specifically, the communication valve 34 in this embodiment is a stop valve, and the stop valve is configured to be opened when the duration of the slag liquid entering the first tank 311 is a first preset duration, and is also configured to be closed when the second preset duration is opened. The opening and closing of the stop valve in this embodiment is performed according to a first preset duration, specifically, in a period of the first preset duration, assuming that the flow rate of the first tank 311 for absorbing the slag liquid reaches the maximum, the liquid level of the slag liquid in the first tank 311 is required to be lower than the height of the inlet.
It should be noted that, in this embodiment, the opening and closing of the communication valve 34 are not controlled by measuring the height of the liquid level of the first tank 311 by adding the liquid level sensor, because the first tank 311 generates a rotational flow in the first tank 311 when the slag liquid is sucked back, the liquid level sensor cannot accurately detect the height of the slag liquid in the first tank 311 due to the influence of the rotational flow, and in addition, the service life of the liquid level sensor is greatly reduced due to the fact that the slag liquid contains more impurities, so that the opening and closing of the communication valve 34 are controlled by the preset first preset duration and the second preset duration.
As shown in fig. 3 to 5, the switch assembly 26 is configured to control the working states of the spraying member 23 and the vacuum connection hose 32 simultaneously, and the switch assembly 26 of the present embodiment is a pull-cord switch, and when the pull-cord switch is pulled up once, the switch assembly 26 is in an on state, and when the pull-cord switch is pulled up again, the switch assembly 26 is in an off state. Specifically, when the switch assembly 26 is turned on, the spraying member 23 and the vacuum connection hose 32 work simultaneously, and the pressurizing member pressurizes the normal pressure water, so that the spraying member 23 can spray high pressure water with higher pressure, and the vacuum connection hose 32 recovers the slag liquid on the road surface; when the switch assembly 26 is turned off, the spray assembly and the vacuum recovery assembly are simultaneously turned off, and the booster pump assembly stops continuing to boost the water so that the spray member 23 stops spraying water having a higher pressure, and the vacuum connection hose 32 stops recovering the slag liquid on the road surface.
The filtering device of the present embodiment includes the first filtering component 41, the second filtering component 42, and the third filtering component 43, as shown in fig. 1 and 12, the first filtering component 41 is located below the recovery tank 31 and the first filtering component 41 is configured to primarily filter the slag liquid recovered by the recovery tank 31, the second filtering component 42 is connected with the first filtering component 41 and configured to secondarily filter the primarily filtered slag liquid, the third filtering component 43 is located between the booster pump 131 and the high-pressure pump 132 and both ends of the third filtering component 43 are respectively connected with the booster pump 131 and the high-pressure pump 132, the third filtering component 43 is configured to secondarily filter the secondarily filtered slag liquid, which can filter solid particles with a particle diameter of 1 micrometer or more, and the filtering accuracy is high.
Specifically, as shown in fig. 12, the first filter assembly 41 of the present embodiment includes a coarse filtration tank 411, a liquid containing tank 412, and a filter plate 413, the liquid containing tank 412 is located below the coarse filtration tank 411, the filter plate 413 is sandwiched between the coarse filtration tank 411 and the liquid containing tank 412, and the coarse filtration tank 411 is located on the filter plate 413. Wherein, the top of the rough filtration box 411 is opened, and the inner sleeve is provided with a filter bag which is configured to primarily filter the residue liquid. Be equipped with rectangular shape weeping hole on the coarse filtration box 411, on four sides of coarse filtration box 411 are located to the weeping hole, are equipped with filtration pore 4111 on the filter 413, and the sediment liquid after the preliminary filtration of filter bag can follow weeping hole and filtration pore 4111 inflow flourishing cistern 412 for the preliminary filtration speed of first filter component 41 to the sediment liquid.
Further, as shown in fig. 13, the filtering apparatus of the present embodiment further includes a liquid pump (not shown in the drawings), the second filtering component 42 includes a first fine filter group 421 and a second fine filter group 422, the first fine filter group 421 is connected in parallel with the second fine filter group 422, and the liquid pump is selectively connected to one of the first fine filter group 421 and the second fine filter group 422. The first fine filter group 421 includes three first fine filters connected in series, and the second fine filter group 422 includes three second fine filters connected in series. Of course, in other embodiments of the present invention, the number of the first fine filters in the first fine filter group 421 is not limited to three in the present embodiment, and the number of the second fine filters in the second fine filter group 422 is not limited to three in the present embodiment, and is specifically set according to actual needs. Specifically, the liquid pump of this embodiment is a pneumatic diaphragm pump, and the pneumatic diaphragm pump is connected to the air storage tank 18, and the air storage tank 18 provides a power source for the pneumatic diaphragm pump.
In order to make the liquid pump selectively communicate with the first fine filter group 421 and the second fine filter group 422, the slag liquid recycling filter structure of this embodiment further includes a second three-way valve (not shown in the figure), the second three-way valve is provided with an inlet and two outlets, the inlet is communicated with the first filter assembly 41, one outlet is communicated with the first fine filter group 421, the other outlet is communicated with the second fine filter group 422, and the inlet is selectively communicated with one outlet, so that when the first fine filter group 421 is blocked, the second fine filter group 422 can be started to perform secondary filtration on the slag liquid which is primarily filtered.
It should be noted that the slag liquid recycling filter structure of this embodiment includes a liquid level sensor (not shown in the figure), and the liquid level sensor is located in the liquid container 412. When the liquid level in the liquid containing tank 412 reaches the first height, the liquid pumping pump is started, the liquid in the liquid containing tank 412 is pumped into the second filter assembly 42 for filtering, and when the liquid level in the liquid containing tank 412 reaches the second height, the liquid pumping pump is disconnected, and the liquid in the liquid containing tank 412 stops being pumped into the second filter assembly 42.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.