Cooling tower spray tank cleaning device
Technical Field
The invention relates to the technical field of cooling tower cleaning, in particular to a cooling tower spray tank cleaning device.
Background
Cooling towers are a common device in industrial and commercial buildings for removing waste heat from cooling water systems, giving off heat to the atmosphere by evaporation processes, are a key component of circulating water systems, especially in applications requiring a large amount of cooling, such as power plants, petrochemical industry, air conditioning systems, etc., in which water dissolves various minerals and other impurities, deposits form in spray tanks after prolonged operation, affecting cooling effect, and in addition microbial growth can cause clogging and corrosion problems.
Through retrieving, the patent of granting the bulletin number CN219589479U discloses a clean-up equipment for closed cooling tower spray flume, including cooling tower and its top fixed connection's separation cover, separation cover internal fixation has the heat extraction fan, separation cover and cooling tower intercommunication, and the fixedly connected with filter screen on the inner wall of separation cover bottom, fixedly connected with fixture block on the inner wall of cooling tower, the block in-block joint has cooling coil, fixedly connected with drive box on the inner wall of cooling tower, the fixed surface of cooling tower one side is connected with the drive frame, be provided with driving motor in the drive frame.
The cleaning device for the spray water tank of the closed cooling tower disclosed by the above description completes the spraying and cleaning functions through the linkage of a plurality of mechanical components such as a motor, a belt pulley, a gear and a connecting rod, and still has some obvious disadvantages, in practical use, the inner wall of the cooling tower may have uneven conditions, the scraping plate is difficult to completely attach all parts, particularly in the bending or irregular area of the tower body, the cleaning effect can be greatly reduced, dirt can be accumulated by the scraping plate in the cleaning process, and if the dirt is not cleaned timely, the tower body is polluted again, so that the cleaning effect is reduced, and therefore, the cleaning device for the spray water tank of the cooling tower is necessarily designed aiming at the defects of the prior art.
Disclosure of Invention
The invention provides a cooling tower spray tank cleaning device, which aims to overcome the defect that the cleaning effect is reduced due to the fact that the conventional cleaning device is integrated in a cooling tower spray tank to clean dirt is easy to accumulate in the cleaning device.
The invention adopts the technical scheme that the cleaning device for the spray tank of the cooling tower comprises a shell, a spray tank and a spray tank, wherein the shell is an assembly main body of the cleaning device, and the bottom of the shell is provided with an opening; the movable part is arranged in the shell and is used for moving the cleaning device, the movable part comprises a mounting frame, a Mecanum wheel and an electric push rod, the mounting frame is arranged on the inner wall of the shell in a sliding mode, the Mecanum wheel is arranged on the mounting frame, the electric push rod is arranged on the top of the inner wall of the shell, the push rods of the electric push rod are connected with the mounting frame, the scrubbing assembly is mainly used for scrubbing the side wall of the spraying groove, the scrubbing assembly comprises a supporting frame, a transmission belt, a motor I, a rolling shaft and a cleaning belt, the supporting frame is fixedly connected to the four vertex angles of the outer wall of the shell, the motor I is arranged on the inner wall of the supporting frame, the transmission belt is wound between an output shaft of the motor I and the supporting frame, the rolling shaft is respectively and rotatably arranged on the outer side of each supporting frame, the rolling shafts are distributed on two sides of the transmission belt, the cleaning belt is respectively wound on the outer sides of the supporting frame, the cleaning belt is in contact with the transmission belt, the rolling belt and the cleaning belt is in the bottom of the spraying groove, and the cleaning assembly is in full-face-side-down matched with the bottom of the spraying groove.
Further, the brushing assembly comprises a mounting plate, cleaning brush wheels I, cleaning brush wheels II and a motor II, wherein the mounting plate is symmetrically arranged on the left side and the right side of the bottom of the machine shell, the cleaning brush wheels I are rotatably arranged at the center of the bottom of the mounting plate, the cleaning brush wheels II are provided with two rotating wheels which are arranged on two sides of the bottom of the mounting plate, the motor II adapting to the quantity of the cleaning brush wheels I and the cleaning brush wheels II is arranged on the mounting plate, and an output shaft of the motor II penetrates through the mounting plate and then is respectively connected to corresponding rotating shafts of the cleaning brush wheels I and the cleaning brush wheels II, and the cleaning brush wheels I and the cleaning brush wheels II are respectively driven by the motor II to be mutually matched, so that cleaning of the surfaces of spraying grooves is improved.
Further, the size of the cleaning brush wheel I is larger than that of the cleaning brush wheel II, the brush surface of the cleaning brush wheel I is a stainless steel wire brush, the cleaning brush wheel I is mainly used for removing rust on a spraying groove, the brush surface of the cleaning brush wheel II is a nylon brush, and the cleaning brush wheel II is mainly used for cleaning moss, silt and the like on the spraying groove.
Further, the casing top is provided with the installation component, the installation component is including location lug, supporting seat, articulated slab, rotary cylinder, action bars and locking piece, the location lug be equipped with polylith and symmetry rigid coupling in the casing top, the supporting seat passes through the location lug is connected the casing top, the main part of supporting seat follow casing top central authorities cover to top one side edge, the articulated slab articulated in the tip of supporting seat, the rotary cylinder rotate install in on the supporting seat, the rotary cylinder is T type tubular structure, the action bars rotate install in the top of rotary cylinder, the action bars are hollow arc pole, the action bars with the rotation junction of rotary cylinder is the sealing port, the locking piece set up in the casing top, cooperate the location lug is used for locking the supporting seat.
Further, the locking piece is including rotatory piece and fixture block, rotatory piece rotate install in the top of casing, rotatory piece runs through on the supporting seat, just the supporting seat corresponds the position department of rotatory piece is one section draw-in groove, the fixture block rigid coupling in the top of rotatory piece, the fixture block card is put on the supporting seat, and with the draw-in groove on the supporting seat staggers each other, through twisting the rotatory piece makes the fixture block rotate in step, makes the fixture block aligns behind the draw-in groove of supporting seat, will solve to the locking effect of supporting seat, makes the supporting seat can follow the casing top is dismantled.
Further, install the water conservancy diversion subassembly on the articulated slab, the water conservancy diversion subassembly includes installation piece, water conservancy diversion shower nozzle and flexible hose, the installation piece rotate install in on the articulated slab, the water conservancy diversion shower nozzle install in on the installation piece, the lower part fork intercommunication of action bars has one section downward sloping body, flexible hose through this body intercommunication in the action bars with between the water conservancy diversion shower nozzle.
Further, still be provided with connecting rod I and connecting rod II on the supporting seat, connecting rod I rotate install in on the rotary drum, connecting rod II sliding connection is in the supporting seat top, connecting rod II one end rotate connect in connecting rod I keeps away from the one end of rotary drum, connecting rod II's the other end is opened there is the spout, be equipped with the protruding pole on the installation piece, the installation piece passes through protruding pole sliding connection and is in connecting rod II's the spout, rotary drum rotates and will pass through connecting rod I stimulate connecting rod II makes connecting rod II stimulate the installation piece rotates on the articulated slab, makes the installation piece drives the angle of water conservancy diversion shower nozzle changes.
Further, the upper end of the operating rod is provided with a liquid draining assembly, the liquid draining assembly comprises a separating pipe, a liquid turbine pump and a screen, the separating pipe is downwards forked and communicated with the upper rod body of the operating rod, the liquid turbine pump is installed at the top inner wall of the operating rod, the liquid turbine pump is used for generating liquid suction low pressure in the operating rod, so that cleaning waste liquid contacted by the flow guide spray head can be sucked into the operating rod through the telescopic hose, the screen is obliquely installed on the inner wall of the operating rod, the screen is positioned on the upper sides of the forked openings of the operating rod and the separating pipe, and the screen is used for filtering impurities in the cleaning waste liquid pumped out of the operating rod into the separating pipe, so that the pumped cleaning waste liquid is subjected to solid-liquid separation in the operating rod, and the waste liquid and the solid impurities are subjected to environmental protection treatment independently.
Further, still be equipped with the balancing weight on the casing, the balancing weight be equipped with two and symmetry install in the top casing department of casing, the balancing weight is removable design, can push down this device according to actual user demand counter weight, makes this device can laminate more stably and carry out cleaning work in the spray tank of different conditions.
Further, the infusion valve and the sealing cover are further arranged on the operating rod, the infusion valve is installed on the upper portion of the operating rod in a communicating mode, the infusion valve is used for being externally connected with an infusion pump, the sealing covers are respectively detachably arranged at the pipe orifices of the end portions of the operating rod and the separating pipe, the infusion valve can pump water into the operating rod, and water is guided to the guide nozzle through the telescopic hose to spray water, so that the device can synchronously spray water and wash when cleaning.
The cleaning device has the beneficial effects that 1, through the combined use of the scrubbing assembly and the scrubbing assembly, the side wall and the bottom of the spraying groove can be cleaned simultaneously, the cleaning comprehensiveness is ensured, and meanwhile, through the application of the Mecanum wheel, the cleaning device can flexibly move in the spraying groove, and the cleaning efficiency is improved.
2. The installation component is arranged at the top, so that the angle and the position of the equipment can be conveniently adjusted, the use flexibility is improved, and the whole installation component and the operation rod can be easily detached from the machine shell through the supporting seat matched with the locking piece, so that the equipment is convenient for daily maintenance and inspection.
3. The invention can also realize the effective separation of the cleaning waste liquid and the impurities through the liquid discharge component, lightens the subsequent operation of manually filtering the cleaning waste liquid, is beneficial to environmental protection and resource recycling, and can conveniently supplement and spray water on the operating rod through the design of the infusion valve and the sealing cover, thereby further improving the cleaning effect.
4. The invention provides downward pressure by assembling the balancing weight, enhances the stability of the equipment during working, and ensures the smooth proceeding of cleaning work.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the housing, the moving member, the scrubbing assembly and the scrubbing assembly of the present invention.
Fig. 3 is a schematic perspective view of the moving member and brushing assembly of the present invention.
Fig. 4 is a perspective sectional view of the housing of the present invention.
Fig. 5 is a schematic perspective view of a brushing assembly according to the present invention.
Figure 6 is a schematic perspective view of specific components of the scrubbing assembly of the present invention.
Fig. 7 is a schematic perspective view of specific components of the brushing assembly of the present invention.
Fig. 8 is a diagram showing the connection relationship between the mounting assembly and the operating lever according to the present invention.
Fig. 9 is a schematic perspective view of a supporting seat, a rotary cylinder, a rotary block and a clamping block according to the present invention.
Fig. 10 is a schematic perspective view of a flow guiding assembly according to the present invention.
Fig. 11 is a schematic perspective view of a drain assembly according to the present invention.
Fig. 12 is a schematic perspective view of the housing and weight of the present invention.
FIG. 13 is a diagram showing the connection of the hinge plate, mounting block and deflector spray head of the present invention.
The device comprises a 1-shell, a 2-moving part, a 201-mounting frame, a 202-Mecanum wheel, a 203-electric push rod, a 3-scrubbing component, a 301-supporting frame, a 302-conveying belt, a 303-motor I, a 304-roller, a 305-cleaning belt, a 4-scrubbing component, a 401-mounting plate, a 402-cleaning brush wheel I, a 403-cleaning brush wheel II, a 404-motor II, a 5-mounting component, a 501-positioning lug, a 502-supporting seat, a 503-hinge plate, a 504-rotating cylinder, a 505-rotating block, a 506-clamping block, a 507-connecting rod I, a 508-connecting rod II, a 6-operating rod, a 7-guiding component, a 701-mounting block, a 702-guiding spray nozzle, a 703-telescopic hose, an 8-liquid discharging component, a 801-separating tube, an 802-liquid turbine pump, a 803-screen, a 9-balancing weight, a 101-transfusion valve and a 102-sealing cover.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
The embodiment 1 is a cleaning device for a spray tank of a cooling tower, as shown in fig. 2-6, comprising a machine shell 1, a cleaning device and a cleaning device, wherein the machine shell 1 is an assembly main body of the cleaning device, and the bottom of the machine shell 1 is an opening; the movable part 2 is arranged in the machine shell 1, the movable part 2 is used for moving the cleaning device, the movable part 2 comprises a mounting frame 201, a Mecanum wheel 202 and an electric push rod 203, the mounting frame 201 is arranged on the inner wall of the machine shell 1 in a sliding mode, the Mecanum wheel 202 is arranged on the mounting frame 201, the electric push rod 203 is arranged on the top of the inner wall of the machine shell 1, a push rod of the electric push rod 203 is connected with the mounting frame 201, the scrubbing component 3 is mainly used for scrubbing the side wall of a spray tank, the scrubbing component 3 comprises a supporting frame 301, a conveying belt 302, a motor I303, a rolling shaft 304 and a cleaning belt 305, the supporting frame 301 is fixedly connected to the four top corners of the outer wall of the machine shell 1, the motor I303 is arranged on the inner wall of the supporting frame 301, the conveying belt 302 is wound between the output shaft of the motor I303 and the supporting frame 301, the rolling shaft 304 is respectively rotatably arranged on the outer side of each supporting frame 301 in a plurality of groups, the rolling shaft 304 is distributed on two sides of the conveying belt 302, the cleaning belt 305 is respectively wound on the outer sides of the supporting frames 301, the cleaning belt 305 is in friction contact with the conveying belt 302, the cleaning belt 305 and the rolling belt 304 is in rolling contact with the rolling manner, the rolling cleaning belt 305, the rolling belt 304 is arranged on the rolling contact with the rolling belt 304, and the rolling component 4, and the cleaning belt 305 is arranged on the bottom of the main bottom of the machine shell 1 and the main machine shell 4, and the bottom is matched with the spray tank 4, and the bottom of the cleaning device through the spray tank, and the cleaning device.
As shown in fig. 2, fig. 3, fig. 5 and fig. 7, the brushing assembly 4 comprises a mounting plate 401, a cleaning brush wheel I402, a cleaning brush wheel II403 and a motor II404, wherein the mounting plate 401 is symmetrically arranged at the left side and the right side of the bottom of the casing 1, the cleaning brush wheel I402 is rotatably arranged at the bottom center of the mounting plate 401, the cleaning brush wheel II403 is provided with two motors II404 rotatably arranged at two sides of the bottom of the mounting plate 401, the mounting plate 401 is provided with the motor II404 which is adapted to the number of the cleaning brush wheel I402 and the cleaning brush wheel II403, an output shaft of the motor II404 penetrates through the mounting plate 401 and is respectively connected to the rotating shafts of the corresponding cleaning brush wheel I402 and the cleaning brush wheel II403, the cleaning brush wheel I402 and the cleaning brush wheel II403 are respectively driven by the motor II404, so that the cleaning brush wheel I402 and the cleaning brush wheel II403 are mutually matched, the cleaning brush wheel I402 is larger than the cleaning brush wheel II403, the cleaning brush I402 is mainly used for removing green sludge on a cleaning brush II403, and the cleaning brush II is mainly used for cleaning a nylon brush tank, and the like.
As shown in fig. 1, 8, 9 and 10, the top of the casing 1 is provided with a mounting assembly 5, the mounting assembly 5 includes a positioning projection 501, a supporting seat 502, a hinge plate 503, a rotary drum 504, an operating rod 6 and a locking piece, the positioning projection 501 is provided with a plurality of pieces and is symmetrically and fixedly connected to the top of the casing 1, the supporting seat 502 is connected to the top of the casing 1 through the positioning projection 501, the main body of the supporting seat 502 covers the top edge from the center of the top of the casing 1, the hinge plate 503 is hinged to the end of the supporting seat 502, the rotary drum 504 is rotatably mounted on the supporting seat 502, the rotary drum 504 is of a T-shaped tubular structure, the operating rod 6 is rotatably mounted on the top of the rotary drum 504, the operating rod 6 is a hollow arc-shaped rod, the rotating joint of the operating rod 6 and the rotary drum 504 is a sealing port, the locking piece is arranged on the top of the casing 1, and the positioning projection 501 is matched for locking the supporting seat 502.
As shown in fig. 8 and 9, the locking member includes a rotating block 505 and a clamping block 506, the rotating block 505 is rotatably mounted on the top of the casing 1, the rotating block 505 penetrates through the supporting seat 502, the supporting seat 502 is a section of clamping groove corresponding to the position of the rotating block 505, the clamping block 506 is fixedly connected to the top of the rotating block 505, the clamping block 506 is clamped on the supporting seat 502 and is staggered with the clamping groove on the supporting seat 502, and after the clamping block 506 is aligned with the clamping groove of the supporting seat 502 by screwing the clamping block 506, the locking effect on the supporting seat 502 is released, so that the supporting seat 502 can be detached from the top of the casing 1.
As shown in fig. 1 and 12, the casing 1 is further provided with a balancing weight 9, the balancing weights 9 are provided with two top shells symmetrically arranged on the casing 1, the balancing weight 9 is of a replaceable design, and the device can be pressed down according to actual use requirements, so that the device can be attached to spray tanks under different conditions more stably for cleaning.
When the device is used for cleaning the spray tank of the cooling tower, a cleaner firstly places the device at a cleaning place, holds the operating rod 6 and then starts the Mecanum wheel 202, the machine shell 1 can move in all directions under manual control under the driving of the Mecanum wheel 202, when the device moves to a position on the spray tank to be cleaned, a plurality of motors II404 on the mounting plate 401 are started firstly, the motors II404 drive the corresponding cleaning brush wheel I402 and the cleaning brush wheel II403 to rotate through the output shafts of the motors II404, the rotating cleaning brush wheel I402 mainly brushes and cleans stubborn stains such as rust on the spray tank, and meanwhile, the rotating cleaning brush wheel II403 mainly brushes and cleans common stains such as moss, silt and the like on the spray tank, so that the cleaning brush wheel I402 and the cleaning brush wheel II403 are matched with each other and effectively clean the bottom of the spray tank through the flexible movement of the Mecanum wheel 202, when the machine shell 1 moves to the side surface close to the spraying groove, the motor I303 can be started, the motor I303 drives the transmission belt 302 to rotate on the supporting frame 301 through the output shaft, so that the transmission belt 302 rotating at a plurality of positions on the machine shell 1 synchronously drives the cleaning belt 305 to rotate, the cleaning belt 305 can rotationally clean the periphery of the machine shell 1 and scrub and clean stains on the side surface of the spraying groove under the support and the guide of the plurality of rollers 304, under the condition that a cleaner uses the operating rod 6, the device can be closely moved on the side surface of the spraying groove by matching with the rotation control of the Mecanum wheel 202, the rotating cleaning belt 305 can clean dead corners on the side surface of the spraying groove, meanwhile, the electric push rod 203 is started, the installation frame 201 is pushed downwards by the electric push rod 203 to upwards reversely act on the machine shell 1, the height of the machine shell 1 can be lifted, the cleaning belt 305 which is scrubbed on the side surface of the spraying groove can synchronously move upwards, so that the device can clean the side surface of the spraying groove in a larger range, the balancing weight 9 is assembled on the machine shell 1 in advance, the device can be stably attached in the spraying groove by the pressing machine shell 1 under the balancing weight 9, and the stability of the equipment in working is enhanced.
Embodiment 2 on the basis of embodiment 1, as shown in fig. 1, 10 and 13, a diversion assembly 7 is mounted on the hinged plate 503, the diversion assembly 7 comprises a mounting block 701, a diversion nozzle 702 and a telescopic hose 703, the mounting block 701 is rotatably mounted on the hinged plate 503, the diversion nozzle 702 is mounted on the mounting block 701, a section of pipe body inclining downwards is in fork connection with the lower part of the operating rod 6, and the telescopic hose 703 is connected between the operating rod 6 and the diversion nozzle 702 through the pipe body.
As shown in fig. 8 and 10, the supporting seat 502 is further provided with a connecting rod I507 and a connecting rod II508, the connecting rod I507 is rotatably mounted on the rotary drum 504, the connecting rod II508 is slidably connected to the top of the supporting seat 502, one end of the connecting rod II508 is rotatably connected to one end of the connecting rod I507 away from the rotary drum 504, the other end of the connecting rod II508 is provided with a chute, the mounting block 701 is provided with a protruding rod, the mounting block 701 is slidably connected in the chute of the connecting rod II508 through the protruding rod, the rotary drum 504 rotates to pull the connecting rod II508 through the connecting rod I507, so that the connecting rod II508 pulls the mounting block 701 to rotate on the hinge plate 503, and the angle of the mounting block 701 driving the flow guide nozzle 702 is changed.
As shown in fig. 1, 8 and 11, the upper end of the operating rod 6 is provided with a liquid draining assembly 8, the liquid draining assembly 8 comprises a separating tube 801, a liquid turbine pump 802 and a screen 803, the separating tube 801 is communicated with the upper rod body of the operating rod 6in a downward forked mode, the liquid turbine pump 802 is installed at the top inner wall of the operating rod 6, the liquid turbine pump 802 is used for generating low-pressure liquid suction in the operating rod 6, cleaning waste liquid contacted by the diversion nozzle 702 can be sucked into the operating rod 6 through a telescopic hose 703, the screen 803 is obliquely installed on the inner wall of the operating rod 6, the screen 803 is positioned on the upper sides of the forked openings of the operating rod 6 and the separating tube 801, the screen 803 is used for filtering impurities in the cleaning waste liquid pumped out of the operating rod 6 into the separating tube 801, and solid-liquid separation of the pumped cleaning waste liquid is realized in the operating rod 6, so that the waste liquid and solid impurities can be independently treated in an environment-friendly way subsequently.
As shown in fig. 8 and 11, the operating rod 6 is further provided with an infusion valve 101 and a sealing cover 102, the infusion valve 101 is installed on the upper portion of the operating rod 6 in a communicating manner, the infusion valve 101 is used for externally connecting an infusion pump, the sealing cover 102 is respectively and detachably arranged at the pipe orifices at the end portions of the operating rod 6 and the separating pipe 801, the infusion valve 101 can pump water into the operating rod 6, and the water is guided to the guiding spray nozzle 702 through the telescopic hose 703 for spraying water, so that the device can synchronously perform water spraying and flushing during cleaning.
When cleaning the cooling tank, the sealing cover 102 can be covered on the operating rod 6 and the separating pipe 801, and the infusion valve 101 is externally connected with the output water pump, so that the output water pump can input an external water source into the operating rod 6 through the infusion valve 101, the pumped water flows into the telescopic hose 703 through the operating rod 6, the water flows into the diversion nozzle 702 to be sprayed after flowing through the telescopic hose 703, a cleaner rotates the operating rod 6 on the rotating cylinder 504, at the moment, the cleaner can stand on one side of the casing 1 far away from the diversion nozzle 702 to push the device, the cleaner can control the device to clean the spraying tank through the operating rod 6, the diversion nozzle 702 can synchronously spray the water into the spraying tank along with the moving device to flush, the operation that the water is required to be pumped into the spraying tank to be matched with cleaning is avoided, moreover, cleaning staff can swing the operating rod 6 according to the requirement, so that the operating rod 6 drives the rotary cylinder 504 to rotate on the supporting seat 502, the rotating rotary cylinder 504 pulls the connecting rod II508 through the connecting rod I507, the connecting rod II508 drives the mounting block 701 and the diversion nozzle 702 to adjust the angle on the hinged plate 503, the diversion nozzle 702 can spray water flows with different angles in the spraying groove, thereby better adapting the cleaning work of the scrubbing assembly 3 and the scrubbing assembly 4 on the spraying groove, after the scrubbing and scrubbing operation on stains in the spraying groove are finished, the water delivery valve on the infusion valve 101 is disconnected, the sealing cover 102 is opened, meanwhile, the liquid turbine pump 802 is started, the liquid turbine pump 802 generates low pressure for pumping liquid upwards in the operating rod 6, at the moment, the cleaning staff can rotate the operating rod 6 to one side close to the diversion nozzle 702, and press the operating rod 6 down, the operating rod 6 sequentially passes through the rotary drum 504, the connecting rod I507 and the connecting rod II508 to drive the flow guide spray head 702 to be pressed into the cleaning waste liquid in the spraying groove, under the low pressure effect in the operating rod 6, the flow guide spray head 702 can pump the cleaning waste liquid into the telescopic hose 703, the cleaning waste liquid is gradually pumped into the operating rod 6 upwards after flowing through the telescopic hose 703, when the cleaning waste liquid is pumped upwards in the operating rod 6, the cleaning waste liquid is filtered at the position of the screen 803, waste liquid impurities or stains filtered by the screen 803 fall into the separating pipe 801, and the waste liquid passing through the screen 803 is discharged from the port of the operating rod 6, so that solid and liquid in the cleaning waste liquid are separated, and therefore, cleaning staff can collect and process the cleaning waste liquid independently.
The above embodiments are only for illustrating the present invention, and are not limiting of the present invention. While the invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and it is intended to be covered by the scope of the claims of the present invention.