CN114939581B - IBC200L barrel full intelligent cleaning detection digital production line - Google Patents
IBC200L barrel full intelligent cleaning detection digital production line Download PDFInfo
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- CN114939581B CN114939581B CN202210545939.0A CN202210545939A CN114939581B CN 114939581 B CN114939581 B CN 114939581B CN 202210545939 A CN202210545939 A CN 202210545939A CN 114939581 B CN114939581 B CN 114939581B
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- ibc200l
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
- B08B9/30—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking and having conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/42—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus being characterised by means for conveying or carrying containers therethrough
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/46—Inspecting cleaned containers for cleanliness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a full intelligent cleaning detection digital production line of an I BC200L bucket, which replaces the traditional manual cleaning of an I BC ton bucket, allows the I BC ton bucket to be automatically turned over, aligned and positioned, cleaned on the inner wall and the outer wall, rinsed, detected in cleanliness, discharged and the like, and has high cleaning efficiency. Among them, with the cleaning mechanism realized by means of the specific valve structure, the cleaning/rinsing operation can be realized in a stable and efficient manner while providing a high service life and low noise. On the basis of judging the cleanliness by means of rinsing wastewater detection, the method is proposed to realize wastewater detection by means of organic combination of conductivity detection and PH value continuous monitoring, and the impurity content in the wastewater can be accurately monitored with high sensitivity and a large detection range by means of a specific conductivity detection structure and a PH value detection structure, so that the cleanliness of the inner wall of the ton barrel is deduced.
Description
Technical Field
The invention relates to the technical field of solution filling, in particular to a full intelligent cleaning detection digital production line for a round IBC200L barrel.
Background
The hydrogen peroxide solution is used for three purposes, namely medical use, military use and industrial use, is an explosive strong oxidant and is subjected to strong light decomposition. The hydrogen peroxide solution must therefore be stored and transported by a dedicated container. IBC200L barrels are one of the special storage containers for hydrogen peroxide solution. Since the IBC200L tank is recycled, in order to ensure the quality of the hydrogen peroxide solution, the IBC200L tank must be cleaned to reduce the impurity content in the tank. The traditional method is manual cleaning, and has the defects of high working strength, low cleaning efficiency, incomplete cleaning, corrosiveness in working environment and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the invention discloses a full intelligent cleaning detection digital production line for an IBC200L barrel, which replaces the traditional manual cleaning of the IBC200L barrel, allows the IBC200L barrel to be automatically turned over, aligned and positioned, cleaned by inner and outer walls, rinsed, detected by cleanliness and fed, and has high cleaning efficiency. Among them, a cleaning mechanism by means of a specific valve structure is also particularly proposed to allow various cleaning/rinsing operations to be realized in a stable and efficient manner, while being capable of effectively improving the service life of the cleaning mechanism and noise suppression, which is extremely advantageous for a production line in an industrial environment. In addition, under the technical concept of judging the cleaning cleanliness of the IBC200L barrel by means of the detection of the wastewater after the rinsing of the IBC200L barrel, the invention designs a detection scheme, wherein the impurity content in the wastewater is accurately monitored by means of the organic combination of conductivity detection and PH value continuous monitoring, and the cleanliness of the inner wall of the IBC200L barrel is deduced. More particularly, the invention also aims at the limitation of the waste water drainage pipeline and the requirement on the cleaning cleanliness of the IBC200L barrel, adopts a conductivity detection structure and a PH value detection structure with special structures, so that the detection sensitivity and the detection range which are matched with the required cleanliness can be provided on the basis of adapting to the specific application environment of the drainage pipeline, the detection of the waste water quality can be accurately and rapidly realized, and whether the cleaning of the IBC200L barrel is qualified or not can be determined.
Specifically, the IBC200L barrel full intelligent cleaning detection digital production line can comprise an outer wall cleaning station, a feeding overturning station, an inner wall cleaning station, an inner wall rinsing station and a discharging overturning station;
the outer wall cleaning station is arranged for flushing the outer wall of the IBC200L barrel with a high pressure water flow;
the feeding overturning station is arranged to enable the bung hole of the IBC200L barrel to be at a preset position and overturn the bung hole by 180 degrees to form an upright state with the bung hole facing downwards;
the inner wall cleaning station is used for flushing the inner wall of the IBC200L barrel by utilizing high-pressure water flow and performing air shower on the flushed inner wall;
the inner wall rinsing station is used for rinsing the inner wall of the IBC200L barrel treated by the inner wall cleaning station by pure water;
the blanking and overturning station is arranged for overturning the IBC200L barrel onto the low-level conveying line.
Further, the outer wall cleaning station comprises a turnover assembly, a rolling mechanism and a cleaning assembly;
the overturning assembly is used for overturning the IBC200L barrel which is in an upright state on the conveying line by 90 degrees and placing the IBC200L barrel on the rolling mechanism, and overturning the IBC200L barrel on the rolling mechanism by 90 degrees and placing the IBC200L barrel back on the conveying line;
the rolling mechanism is arranged for driving the IBC200L barrel to roll in situ;
the cleaning assembly comprises a spraying unit realized by means of a first high-pressure nozzle and an air drying unit realized by means of a second high-pressure nozzle, and is arranged to provide high-pressure water flow to the outer wall of the IBC200L barrel by means of the first high-pressure nozzle and then high-pressure air flow to the outer wall of the IBC200L barrel by means of the second high-pressure nozzle while the IBC200L barrel rolls in place.
Further, the feeding overturning station comprises a turntable assembly, an overturning assembly and a visual unit;
the vision unit is used for acquiring a bung image of the IBC200L barrel on the turntable in real time so as to determine the position of the bung;
the turntable assembly is arranged for rotating the IBC200L barrel according to the barrel opening position so that the barrel opening is at a preset position;
the overturning assembly is arranged to overturn the IBC200L barrel with the bung in a preset position by 180 degrees, so that the bung faces downwards.
Further, the inner wall cleaning station comprises a movable slipway, a clamping jaw mechanism and a self-rotating flushing mechanism;
the clamping jaw mechanism is used for clamping and fixing an IBC200L barrel;
the movable sliding table is used for moving the clamping jaw mechanism and the IBC200L barrel which is clamped and fixed to the position to be washed;
the self-rotating flushing mechanism comprises a third high-pressure nozzle and a nozzle lifting assembly;
the nozzle lifting assembly is used for enabling the third high-pressure nozzle to move in the vertical direction to enter or leave the interior of the IBC200L barrel at the position to be flushed;
the third high pressure nozzle is a rotating nozzle and is arranged to simultaneously perform revolution and rotation motions under the action of water pressure.
Still further, the first and/or third high pressure nozzles are fluidly connected to a high pressure water source by a valve arrangement;
the valve structure comprises a water inlet port, a water outlet port, a bypass port and a valve body, wherein the water inlet port is connected with the high-pressure water source, the water outlet port is connected with the high-pressure nozzle, the bypass port is used for being connected with a bypass channel, and a pressure limiting assembly and an automatic pressurizing and unloading assembly are arranged in the valve body;
the pressure limiting assembly is arranged near the water inlet port, comprises a safety spring and a plunger, and is arranged to: when the water pressure at the water inlet port is lower than the preset water pressure, the plunger blocks a fluid channel between the water inlet port and the bypass port under the action of the safety spring; when the water pressure at the water inlet port exceeds a preset water pressure, the plunger is lifted to open a fluid channel between the water inlet port and the bypass port;
the automatic pressurizing unloading assembly is arranged in the fluid channel between the water inlet port and the water outlet port, comprises a piston and a first spring, wherein the piston is provided with a hollow inner cavity for providing the fluid channel between the water inlet port and the water outlet port, and a plurality of through holes are formed on the side surface of the piston;
the auto boost unloading assembly is configured to: in an initial position, the through bore of the piston is aligned and maintained in fluid communication between the hollow interior cavity and the bypass port by the action of the first spring; when the pressure drop between the water inlet port and the water outlet port increases to a preset value, the piston moves towards the water outlet port so as to enable the through hole to be separated from an alignment position relative to the bypass port; and, moving the piston toward the initial position upon occurrence of a water hammer effect to restore an aligned position of the through hole with respect to the bypass port.
Preferably, the piston is connected to the first spring by a bushing.
Further, the inner wall rinsing station comprises a movable slipway, a clamping jaw mechanism, a rinsing mechanism, a detection assembly and a drainage pipeline;
the clamping jaw mechanism is used for clamping and fixing an IBC200L barrel;
the movable slipway is used for moving the clamping jaw mechanism and the IBC200L barrel clamped and fixed by the clamping jaw mechanism to a position to be rinsed;
the rinsing mechanism comprises a low-pressure nozzle and a nozzle lifting assembly;
the nozzle lifting assembly is used for enabling the low-pressure nozzle to move in the vertical direction to enter or leave the interior of the IBC200L barrel at the position to be rinsed;
the low-pressure nozzle is a rotary nozzle which is arranged to simultaneously perform revolution and rotation under the action of water pressure and is in fluid connection with a pure water source through the valve structure;
the drainage pipeline is used for collecting and discharging waste water generated by rinsing operation;
the detection assembly is configured to detect the wastewater.
Still further, the drain line includes a first drain pipe, a second drain pipe, and a drain tank connecting the first and second drain pipes;
the first drain pipe and the second drain pipe are provided with a plurality of PH value detection units for detecting the PH value of the wastewater at preset intervals, and the drain tank is internally provided with a conductivity detection unit for detecting the conductivity of the wastewater.
The conductivity detection unit comprises a floating platform, a sleeve, a detection electrode pair, a direct current source and a detection module; the two detection electrodes in the detection electrode pair are fixed on the floating platform according to a first interval, and the detection ends of the two detection electrodes extend downwards to a first length perpendicular to the lower surface of the floating platform; the floating platform being disposed within the sleeve and configured to permit reciprocation only along the length of the sleeve; the sleeve is fixedly arranged on the inner wall of the drainage groove, the direct current source is connected with the two detection electrodes and supplies constant direct current I to the two detection electrodes, and the detection module is used for detecting the potential difference between the two detection electrodes; and, in addition, the processing unit,
the PH value sensor comprises a first sensitive electrode, a second sensitive electrode and a reference electrode, wherein: graphite was prepared at a weight ratio of 1:0.5: mixing CuO mixed powder with polyurethane in an equal weight ratio to obtain composite slurry, printing the composite slurry on a multilayer graphene sheet, and performing heat treatment at 80 ℃ for 1 hour to form the sensitive electrode; and forming the reference electrode by printing an Ag/AgCl ink on the graphene sheet and curing at 80 ℃ for 30 minutes.
Preferably, the diameter of the detection electrode is 0.2cm, the first interval is 1cm, and the first length is 1cm; the reference electrode is provided with an electrical lead formed by silver ink.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a perspective view of an IBC200L bucket full intelligent cleaning detection digitizing production line according to the invention;
FIG. 2 illustrates an example of an outer wall cleaning station according to the present invention;
fig. 3 shows an example of a loading flipping station according to the invention;
FIG. 4 shows an example of an inner wall cleaning station and an inner wall rinsing station according to the present invention;
fig. 5 shows an example of a blanking flipping station according to the present invention.
Detailed Description
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are provided by way of illustration to fully convey the spirit of the invention to those skilled in the art to which the invention pertains. Thus, the present invention is not limited to the embodiments disclosed herein.
Fig. 1 shows a perspective view of an IBC200L barrel full intelligent cleaning detection digitization production line according to the present invention.
As shown in fig. 1, the IBC200L barrel full intelligent cleaning detection digital production line of the present invention may mainly include an outer wall cleaning station 1, a loading and turning station 2, an inner wall cleaning station 3, an inner wall rinsing station 4 and a discharging and turning station 5.
In the cleaning detection digital production line, an IBC200L barrel to be cleaned can sequentially pass through an external cleaning station 1, a feeding overturning station 2, an inner wall cleaning station 3, an inner wall rinsing station 4 and a discharging overturning station 5 through a conveying line. Wherein, in the outer wall cleaning station 1, the outer wall of the round IBC200L barrel can be washed in a rolling manner in a basically closed environment; in the feeding overturning station 2, the bung hole of the IBC200L barrel is positioned at a preset position and overturned for 180 degrees to form an upright state with the bung hole facing downwards; in the inner wall cleaning station 3 and the inner wall rinsing station 4, respectively flushing and rinsing the inner wall of the IBC200L barrel until the residue on the inner wall is low to a preset level; finally, in the blanking and overturning station 5, the IBC200L barrel is overturned to the lower conveying line.
Fig. 2 shows an example of an external wall washing station 1 according to the invention, which mainly comprises a tilting assembly 11, a rolling mechanism 12 and a washing assembly 13.
The flipping assembly 11 is used to flip an IBC200L barrel in an upright position on the conveyor line 90 degrees and place it on the rolling mechanism 12, and flip an IBC200L barrel on the rolling mechanism 12 90 degrees and place it back onto the conveyor line.
The rolling mechanism 12 is used for driving the IBC200L barrel to roll in situ.
The cleaning assembly 13 is used to flush the outer wall of the IBC200L barrel with a high pressure water flow and then to air shower the outer wall of the IBC200L barrel with a high pressure air flow while the IBC200L barrel is rolling in place, for example, to blow off water droplets remaining on the outer wall of the IBC200L barrel.
The cleaning assembly 13 may include a spraying unit 131 implemented by means of a first high pressure nozzle and an air drying unit 132 implemented by means of a second high pressure nozzle.
When an IBC200L barrel (which is typically in an upright position) is transported through the conveyor line 14 to an outer wall cleaning station within the outer wall cleaning station 1, the flipping assembly 11 causes it to flip 90 degrees to rest on the rolling mechanism 12 in a lay down position.
The rolling mechanism 12 drives the IBC200L barrel to roll in situ, and simultaneously washes the outer wall of the IBC200L barrel by means of high-pressure water flow output by the first high-pressure nozzle; and air-drying the outer wall of the IBC200L barrel by means of high-pressure air flow output by the second high-pressure nozzle after flushing.
In the cleaning assembly 13 of the present invention, since a plurality of first high pressure nozzles 131 are generally provided, when the nozzles are turned on (or the number of working nozzles is changed), a sudden drop in water pressure occurs, which is disadvantageous in uniformity or overall coverage of the flushing operation; furthermore, when all or part of the nozzles are shut down, for example, upon completion of a flushing operation, a relatively severe water hammer effect may occur in the water supply line, which may cause damage to various components in the water supply line, while at the same time teaching noise may be generated. Therefore, a valve structure with a specific structure is further arranged in the cleaning assembly 13 of the present invention, so as to realize fluid connection between the first high-pressure nozzle and the high-pressure water source, ensure that stable high pressure is provided for the first high-pressure nozzle under various working conditions, effectively eliminate the influence of water hammer effect, improve the service life of the cleaning assembly and reduce working noise.
Specifically, the valve structure comprises a water inlet port, a water outlet port, a bypass port and a valve body, wherein a pressure limiting assembly and an automatic pressurization unloading assembly are arranged in the valve body.
In the invention, the water inlet port of the valve structure is connected with a high-pressure water source, the water outlet port is used for being connected with the first high-pressure nozzle to provide high-pressure water flow for the first high-pressure nozzle, and the bypass port is used for being connected with the bypass channel.
The pressure limiting assembly is disposed proximate the inlet port for establishing a fluid connection between the inlet port and the bypass port immediately upon the water pressure at the inlet port exceeding a predetermined water pressure to provide a pressure dividing passageway, thereby limiting a maximum water pressure into the first high pressure nozzle.
In a preferred example, the pressure limiting assembly may include a safety spring and a plunger, wherein: when the water pressure at the water inlet port is lower than the preset water pressure, the plunger blocks a fluid channel between the water inlet port and the bypass port under the action of the safety spring; when the water pressure at the inlet port exceeds a preset water pressure, the plunger will be lifted against the force of the safety spring under the water pressure, thereby opening a fluid passage between the inlet port and the bypass port, allowing a fluid connection to be established between the inlet port and the bypass port.
Further, the pressure limiting assembly may further include an adjustment knob for adjusting a pre-tightening force of the safety spring, thereby allowing the preset water pressure to be configured.
The automatic pressurizing unloading assembly is close to the water outlet port of the valve structure and is used for automatically increasing the output water pressure when the pressure at the water outlet port drops suddenly due to the operation of the first high-pressure nozzle, for example, so as to stabilize the high-pressure water flow output by the first high-pressure nozzle; and for automatically eliminating the impact of such pressure waves when, for example, the first high pressure nozzle is closed causing a backflow pressure wave to form in the water supply line, unloading unnecessary loads, thereby protecting the water supply line and reducing noise.
In a preferred example, an automatic pressurization and unloading assembly is disposed in the fluid path between the water inlet port and the water outlet port, including a piston and a first spring.
In the automatic pressurizing and unloading assembly of the present invention, the piston has a hollow inner cavity for providing a fluid passage between the water inlet port and the water outlet port, and a plurality of through holes are also formed on the side surface.
The auto boost unloading assembly is configured to: in the initial position, the through-hole in the piston is aligned and maintained in fluid communication between the hollow interior of the piston and the bypass port by the action of the first spring; when the pressure drop between the water inlet port and the water outlet port (for example, the first high-pressure nozzle is opened) is increased to a preset value, the piston moves towards the water outlet port under the action of water pressure against the action of the first spring, so that the through hole is separated from the alignment position of the bypass port, and the bypass fluid channel is cut off, thereby automatically increasing the water pressure at the water outlet port, further ensuring the water pressure acting on the first high-pressure nozzle and ensuring the stability of high-pressure water flow.
With such an automatic pressurizing unloading assembly, when closing the first high pressure nozzle causes a water hammer effect to occur in the water supply line, thereby causing a pressure wave, such a pressure wave propagating from the water outlet port toward the water inlet port will push the piston toward the initial position, such that the through-hole on the piston resumes the aligned relationship with respect to the bypass port, thereby reestablishing the fluid path between the hollow interior of the piston and the bypass port, by means of which form such an echo can be effectively diverted, the liquid pressure in the fluid path is reduced, and such destructive loads are automatically unloaded.
Further, in the auto boost unloading assembly, the connection between the piston and the first spring may be achieved by means of a bushing.
Fig. 3 shows an example of a loading flipping station 2 according to the invention.
As shown in fig. 3, the loading and turning station 2 mainly includes a turntable assembly 21, a turning assembly 22, and a vision unit 23.
Turntable assembly 21 may include a turntable 211 and a jaw mechanism 212, wherein jaw mechanism 212 is configured to clamp an IBC200L barrel on turntable 211, and turntable 211 is configured to rotate jaw 212 and its clamp-secured IBC200L barrel in place.
The vision unit 23 is arranged to acquire in real time bung images of the IBC200L barrel on the turntable to determine the bung position of the IBC200L barrel. Thereby, the IBC200L drum is allowed to be rotated by means of the turntable 21 with its bung in a preset position.
The flipping assembly 22 comprises a jaw mechanism 221 and a flipping mechanism 222, and is arranged to: when the bung of the IBC200L barrel is in the preset position, the IBC200L barrel is clamped by the clamping jaw mechanism 221 and turned 180 degrees by the turning mechanism 222, so that the bung is in the downward state.
Fig. 4 shows an example of an inner wall cleaning station 3 and an inner wall rinsing station 4 according to the invention.
As shown in fig. 4, the inner wall cleaning station 3 may include a moving slide 31, a gripper mechanism 32, and a self-rotating flushing mechanism.
When the feeding overturning station 2 overturns the IBC200L barrel to the inner wall cleaning station 3, the movable sliding table 31 in the inner wall cleaning station 3 moves the clamping jaw mechanism 32 to the position of the IBC200L barrel and clamps and fixes the IBC200L barrel, the clamping jaw mechanism 221 in the feeding overturning station 2 is loosened, and the movable sliding table 31 moves the clamping jaw mechanism 32 and the IBC200L barrel to the inner wall cleaning station.
The self-rotating flushing mechanism may include a third high pressure nozzle (not shown) and a nozzle lift assembly 331. At the inner wall cleaning station, the nozzle lift assembly 331 delivers a third high pressure nozzle into the IBC200L barrel interior.
In the self-rotation flushing mechanism, the third high-pressure nozzle adopts a high-pressure self-rotation nozzle, and the high-pressure self-rotation nozzle can simultaneously perform revolution and autorotation under the action of water pressure, so that a double-degree-of-freedom reticular spherical track is formed, 360-degree rotation flushing in a three-dimensional space is provided, and blind spot full coverage is avoided. For example, by reasonably configuring a third high-pressure nozzle in the high-self-rotation flushing mechanism, hundreds of cleaning tracks can be provided when flushing the inner wall of the IBC200L barrel, so that reliable and effective cleaning can be ensured. After one cleaning cycle is completed, each mechanism returns to the original position along the original path.
Similarly, the valve structure described above is also provided in the self-rotating flushing mechanism for effecting fluid connection between the water source and the third high pressure nozzle.
The inner wall rinse station 4 may include a mobile skid 41, a jaw mechanism 42, a rinse mechanism, a detection assembly, and a drain line.
In the inner wall rinsing station 4, the moving slipway 41 moves the clamping jaw mechanism 42 to the IBC200L barrel transition position, the clamping jaw mechanism 42 clamps and fixes the IBC200L barrel, the clamping jaw mechanism 32 in the inner wall cleaning station is loosened, and the moving slipway 41 of the inner wall rinsing station 4 moves the clamping jaw mechanism 42 and the IBC200L barrel to the inner wall rinsing station.
The rinse mechanism includes a low pressure nozzle and a nozzle lift assembly 431.
The nozzle lifting assembly 431 is used to move the low pressure nozzle in a vertical direction to enter or leave the IBC200L tub interior in the position to be rinsed.
The low-pressure nozzle also adopts a self-rotating nozzle, and revolution and self-transmission movement can be simultaneously carried out under the action of water pressure, so that a double-degree-of-freedom reticular spherical track is formed, 360-degree rotating flushing in a three-dimensional space is provided, and blind spots are not covered completely.
The low pressure nozzle may also be fluidly connected to a source of pure water via the valve arrangement described above to perform a rinsing operation on the inner wall of the IBC200L tank using a flow of pure water.
The drainage pipeline is used for collecting and discharging waste water generated in rinsing operation, and the detection assembly is used for detecting the waste water in the drainage pipeline so as to judge whether rinsing on the inner wall of the IBC200L barrel is qualified or not.
According to the invention, the detection assembly is used for simultaneously detecting the PH value and the conductivity of the wastewater and judging whether the rinsing is qualified or not according to the detection result.
The drain line of the present invention includes a first drain pipe, a second drain pipe, and a drain tank connecting the first and second drain pipes.
The first drain pipe and the second drain pipe are provided with a plurality of PH value detection units according to preset intervals, the PH value of wastewater in the drainage is detected, and the drainage tank is provided with a conductivity detection unit for detecting the conductivity of wastewater. By the arrangement of the drainage grooves, the influence of water flow on the conductivity detection precision can be reduced; meanwhile, by continuously monitoring the PH value of the wastewater at different positions, the real PH value of the wastewater can be estimated in real time by means of the PH value distribution in the wastewater.
The conductivity detection unit comprises a floating platform, a sleeve, a detection electrode pair, a direct current source and a detection module.
The two detection electrodes in the detection electrode pair are fixed on the floating platform according to a first interval, and the detection ends of the two detection electrodes extend downwards to a first length perpendicular to the lower surface of the floating platform.
The floating platform is disposed within the sleeve and is configured to permit reciprocation only along the length of the sleeve.
The sleeve is fixedly mounted on the inner wall of the drain tank, thus allowing the floating platform to move only in the vertical direction as the liquid level rises and falls. At this time, it can be recognized by those skilled in the art that the length of the detection electrode immersed in the liquid surface is always kept at the first length regardless of the change of the liquid level in the drain tank, while the interval between the two detection electrodes is kept unchanged, and therefore, the detection sensitivity and accuracy of the conductivity detection unit can be ensured to be kept unchanged.
In the conductivity detection unit, a direct current source is connected to the two detection electrodes and supplies a constant direct current I thereto, and a detection module is used to detect the potential difference across the two detection electrodes and calculate the conductivity of the wastewater in the drainage tank therefrom.
The requirements for the cleanliness of the IBC200L barrel can be met, the conductivity detection unit is required to have very high sensitivity so as to allow detection of very small conductivity, and meanwhile, the conductivity detection unit is required to have a large detection range so as to adapt to various inner wall flushing operation effects. In the conductivity detection unit of the present invention, the diameters of the detection electrodes, the first spacing and the first length all affect the detection sensitivity and the detection range. Accordingly, the present invention further provides a conductivity detection cell parameter configuration scheme particularly suited for IBC200L bucket detection.
In the preferred parameter configuration scheme provided by the invention, the diameter of the detection electrode can be 0.2cm, the first length is 1cm, and the first interval is 1cm, so that the detection range of 0.08 mu S to 0.7S can be realized, and the current various cleanliness requirements can be met.
In the present invention, the PH detection unit may be implemented by means of a flexible PH sensor, thereby allowing the sensor to be conveniently disposed at various positions of the drain pipe.
Specifically, the PH sensor includes a first sensing electrode, a second sensing electrode, and a reference electrode.
The sensitive electrode may be formed by mechanically mixing graphite and CuO nanoparticles (having a particle size of, for example, 100 nm).
In a preferred example, graphite may be first prepared in a weight ratio of (1:0.5): cuO mixed powder, and this mixed powder was then thoroughly mixed with polyurethane (which serves as a binder) in an equal weight ratio to obtain a composite paste, and this composite paste was printed on top of a multi-layered graphene sheet (which serves as a conductive electrode), and heat-treated at 80 ℃ for 1 hour to form a sensitive electrode.
Further, the multilayer graphene sheet may be adhered to the flexible polyvinyl chloride substrate by polyurethane in advance.
The reference electrode may be an Ag/AgCl electrode. In a preferred example, an Ag/AgCl ink may be printed on top of the graphene sheet and cured at 80 ℃ for 30 minutes. Finally, the electrical leads of the electrodes are formed using silver ink.
The PH sensor formed by the process described by the preferred example above may be of a small size and flexible, thus allowing it to be conveniently deployed in a drain without significant obstruction to the drain. Meanwhile, the PH value sensor formed by the process can realize extremely high sensitivity of 22.60 +/-1.3 mV/PH, and simultaneously allows the detection range of 4-10.5 to be realized, and has good response time.
Fig. 5 shows an example of a blanking flipping station 5 according to the present invention.
As shown in fig. 5, the blanking inverter station 5 may include a jaw mechanism 51 and an inverter mechanism 52. The IBC200L barrel after rinsing treatment is conveyed into the blanking overturning station 5 by a conveying line, the IBC200L barrel is clamped and fixed by the clamping jaw mechanism 51, and then the IBC200L barrel is overturned by 180 degrees by the aid of the overturning mechanism 52 and is placed on the low-level conveying line 53.
In summary, the invention provides a full intelligent cleaning detection digital production line for an IBC200L barrel, which allows the IBC200L barrel to be automatically turned over, aligned and positioned, cleaned on the inner wall and the outer wall, rinsed, detected in cleanliness and fed, and has high cleaning efficiency. Among them, a cleaning mechanism by means of a specific valve structure is also particularly proposed to allow various cleaning/rinsing operations to be realized in a stable and efficient manner, while being capable of effectively improving the service life of the cleaning mechanism and noise suppression, which is extremely advantageous for a production line in an industrial environment. In addition, under the technical concept of judging the cleaning cleanliness of the IBC200L barrel by means of the detection of the wastewater after the rinsing of the IBC200L barrel, the invention designs a detection scheme, wherein the impurity content in the wastewater is accurately monitored by means of the organic combination of conductivity detection and PH value continuous monitoring, and the cleanliness of the inner wall of the IBC200L barrel is deduced. More particularly, the invention also aims at the limitation of the waste water drainage pipeline and the requirement on the cleaning cleanliness of the IBC200L barrel, adopts a conductivity detection structure and a PH value detection structure with special structures, so that the detection sensitivity and the detection range which are matched with the required cleanliness can be provided on the basis of adapting to the specific application environment of the drainage pipeline, the detection of the waste water quality can be accurately and rapidly realized, and whether the cleaning of the IBC200L barrel is qualified or not can be determined.
While the invention has been described in connection with the specific embodiments illustrated in the drawings, it will be readily appreciated by those skilled in the art that the above embodiments are merely illustrative of the principles of the invention, which are not intended to limit the scope of the invention, and various combinations, modifications and equivalents of the above embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (5)
1. An IBC200L barrel full-intelligent cleaning detection digital production line comprises an outer wall cleaning station, a feeding overturning station, an inner wall cleaning station, an inner wall rinsing station and a discharging overturning station;
the outer wall cleaning station is arranged for flushing the outer wall of the IBC200L barrel with a high pressure water flow;
the feeding overturning station is arranged to enable the bung hole of the IBC200L barrel to be at a preset position and overturn the bung hole by 180 degrees to form an upright state with the bung hole facing downwards;
the inner wall cleaning station is used for flushing the inner wall of the IBC200L barrel by utilizing high-pressure water flow and performing air shower on the flushed inner wall;
the inner wall rinsing station is used for rinsing the inner wall of the IBC200L barrel treated by the inner wall cleaning station by pure water;
the blanking overturning station is used for overturning the IBC200L barrel to the low-level conveying line;
the feeding overturning station comprises a turntable assembly, an overturning assembly and a visual unit;
the vision unit is configured to acquire in real time a bung image of an IBC200L barrel on a turntable of the turntable assembly to determine a bung position;
the turntable assembly is arranged for rotating the IBC200L barrel according to the barrel opening position so that the barrel opening is at a preset position;
the overturning assembly is arranged to overturn the IBC200L barrel with the barrel mouth at a preset position by 180 degrees, so that the IBC200L barrel is in a state with the barrel mouth facing downwards;
the inner wall cleaning station comprises a movable slipway, a clamping jaw mechanism and a self-rotating flushing mechanism;
the clamping jaw mechanism is used for clamping and fixing an IBC200L barrel;
the movable sliding table is used for moving the clamping jaw mechanism and the IBC200L barrel which is clamped and fixed to the position to be washed;
the self-rotating flushing mechanism comprises a third high-pressure nozzle and a nozzle lifting assembly;
the nozzle lifting assembly is used for enabling the third high-pressure nozzle to move in the vertical direction to enter or leave the interior of the IBC200L barrel at the position to be flushed;
the third high-pressure nozzle is a rotating nozzle and is arranged to simultaneously perform revolution and rotation under the action of water pressure;
the third high-pressure nozzle is in fluid connection with a high-pressure water source through a valve structure;
the valve structure comprises a water inlet port, a water outlet port, a bypass port and a valve body, wherein the water inlet port is connected with the high-pressure water source, the water outlet port is connected with the third high-pressure nozzle, the bypass port is used for being connected with a bypass channel, and a pressure limiting assembly and an automatic pressurizing unloading assembly are arranged in the valve body;
the pressure limiting assembly is arranged near the water inlet port, comprises a safety spring and a plunger, and is arranged to: when the water pressure at the water inlet port is lower than the preset water pressure, the plunger blocks a fluid channel between the water inlet port and the bypass port under the action of the safety spring; when the water pressure at the water inlet port exceeds a preset water pressure, the plunger is lifted to open a fluid channel between the water inlet port and the bypass port;
the automatic pressurizing unloading assembly is arranged in the fluid channel between the water inlet port and the water outlet port, comprises a piston and a first spring, wherein the piston is provided with a hollow inner cavity for providing the fluid channel between the water inlet port and the water outlet port, and a plurality of through holes are formed on the side surface of the piston;
the auto boost unloading assembly is configured to: in an initial position, the through bore of the piston is aligned and maintained in fluid communication between the hollow interior cavity and the bypass port by the action of the first spring; when the pressure drop between the water inlet port and the water outlet port increases to a preset value, the piston moves towards the water outlet port so as to enable the through hole to be separated from an alignment position relative to the bypass port; and, moving the piston toward the initial position upon occurrence of a water hammer effect to restore an aligned position of the through hole with respect to the bypass port;
the inner wall rinsing station comprises a second movable slipway, a second clamping jaw mechanism, a rinsing mechanism, a detection assembly and a drainage pipeline;
the second clamping jaw mechanism is used for clamping and fixing an IBC200L barrel;
the second movable slipway is used for moving the second clamping jaw mechanism and the IBC200L barrel clamped and fixed by the second clamping jaw mechanism to a position to be rinsed;
the rinsing mechanism comprises a low-pressure nozzle and a second nozzle lifting assembly;
the second nozzle lifting assembly is used for enabling the low-pressure nozzle to move in the vertical direction to enter or leave the interior of the IBC200L barrel at the position to be rinsed;
the low-pressure nozzle is a rotary nozzle which is arranged to simultaneously perform revolution and rotation under the action of water pressure and is in fluid connection with a pure water source through the corresponding valve structure;
the drainage pipeline is used for collecting and discharging waste water generated by rinsing operation;
the detection component is used for detecting the wastewater;
the drainage pipeline comprises a first drainage pipe, a second drainage pipe and a drainage groove for connecting the first drainage pipe and the second drainage pipe;
the first drain pipe and the second drain pipe are provided with a plurality of PH value detection units for detecting the PH value of the wastewater at preset intervals, and the drain tank is internally provided with a conductivity detection unit for detecting the conductivity of the wastewater;
the conductivity detection unit comprises a floating platform, a sleeve, a detection electrode pair, a direct current source and a detection module; the two detection electrodes in the detection electrode pair are fixed on the floating platform according to a first interval, and the detection ends of the two detection electrodes extend downwards to a first length perpendicular to the lower surface of the floating platform; the floating platform being disposed within the sleeve and configured to permit reciprocation only along the length of the sleeve; the sleeve is fixedly arranged on the inner wall of the drainage groove, the direct current source is connected with the two detection electrodes and supplies constant direct current I to the two detection electrodes, and the detection module is used for detecting the potential difference between the two detection electrodes; and, in addition, the processing unit,
the PH value detection unit comprises a first sensitive electrode, a second sensitive electrode and a reference electrode, wherein: graphite was prepared at a weight ratio of 1:0.5: mixing CuO mixed powder with polyurethane in an equal weight ratio to obtain composite slurry, printing the composite slurry on a multilayer graphene sheet, and performing heat treatment at 80 ℃ for 1 hour to form a sensitive electrode; and forming the reference electrode by printing an Ag/AgCl ink on the graphene sheet and curing at 80 ℃ for 30 minutes.
2. The IBC200L barrel full intelligent cleaning detection digital production line according to claim 1, wherein the outer wall cleaning station comprises a second flipping assembly, a rolling mechanism, and a cleaning assembly;
the second overturning assembly is used for overturning the IBC200L barrel which is in an upright state on the conveying line by 90 degrees and placing the IBC200L barrel on the rolling mechanism, and overturning the IBC200L barrel on the rolling mechanism by 90 degrees and placing the IBC200L barrel back on the conveying line;
the rolling mechanism is arranged for driving the IBC200L barrel to roll in situ;
the cleaning assembly comprises a spraying unit realized by means of a first high-pressure nozzle and an air drying unit realized by means of a second high-pressure nozzle, and is arranged to provide high-pressure water flow to the outer wall of the IBC200L barrel by means of the first high-pressure nozzle and then high-pressure air flow to the outer wall of the IBC200L barrel by means of the second high-pressure nozzle while the IBC200L barrel rolls in place.
3. The IBC200L tank full intelligent cleaning detection digital production line according to claim 2, wherein the first high pressure nozzles are fluidly connected to a high pressure water source through the corresponding valve structure.
4. The IBC200L barrel full intelligent cleaning detection digital production line according to claim 3, wherein the piston is connected with the first spring through a bushing.
5. The IBC200L barrel full intelligent cleaning detection digital production line according to claim 1, wherein the diameter of the detection electrode is 0.2cm, the first spacing is 1cm, and the first length is 1cm; the reference electrode is provided with an electrical lead formed by silver ink.
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| CN115401047B (en) * | 2022-10-13 | 2023-08-08 | 宁波格劳博智能工业有限公司 | Intelligent cleaning detection and transfer production line for 112L lithium salt barrels |
| CN116037594A (en) * | 2022-11-28 | 2023-05-02 | 宁波格劳博智能工业有限公司 | Method and device for cleaning inner wall and outer wall of lithium battery electrolyte packaging barrel |
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