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71 results about "Clean-in-place" patented technology
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Clean-in-place (CIP) is a method of cleaning the interior surfaces of pipes, vessels, process equipment, filters and associated fittings, without disassembly. Up to the 1950s, closed systems were disassembled and cleaned manually. The advent of CIP was a boon to industries that needed frequent internal cleaning of their processes. Industries that rely heavily on CIP are those requiring high levels of hygiene, and include: dairy, beverage, brewing, processed foods, pharmaceutical, and cosmetics.
Membrane monitoring and clean-in-place control systems and techniques
A membrane fouling monitoring and analysis system may be used on a food and beverage membrane operated over a plurality of production periods separated by daily clean-in-place cleanings. In some examples, the system receives data indicative of a flow of one or both of a permeate stream and a retentate stream of the membrane during the plurality of production periods and determines a trend of at least one parameter associated with the data to provide a determined trend. The system may compare the determined trend to a baseline fouling trend and determine if and / or when to perform a deep cleaning on the membrane based on comparison. The system may subsequently execute the deep cleaning on the membrane at the scheduled time.
Owner:ECOLAB USA INC
Clean in place system for a beverage dispenser
A system and method to automatically clean the lines of a beverage dispenser system by purging the beverage lines, then de-liming, purging again, sanitizing, rinsing and recharging the lines. The present invention has a series of reservoirs, pumps and solenoid operated valves all run by an automated controller which carries out the cleaning process without human intervention.
Owner:WARD PETER +1
Electrophoresis apparatus convenient to carry
InactiveCN120177600AMaterial analysis by electric/magnetic meansElectrophoresisMechanical engineering
The invention relates to the technical field of electrophoresis apparatus electrode cleaning, in particular to a portable electrophoresis apparatus which comprises a portable electrophoresis apparatus, a horizontal electrophoresis tank is placed in the portable electrophoresis apparatus, and an electrode piece is inserted into the horizontal electrophoresis tank; a cleaning box is installed on the inner wall of the portable electrophoresis apparatus, a containing pipe is installed on the inner wall of the electrode cleaning box, a rotating disc is installed on the inner wall of the cleaning box, a touch pressing scraping strip is installed on the outer wall of the rotating disc, a spring touch block is installed on the outer wall of the rotating disc, and a floating plate is installed on the outer side of the rotating disc. According to the electrode cleaning device, an electrode can be directly inserted into the cleaning box to complete self-cleaning, manual cleaning is not needed, and the electrode is cleaned in place through rotation and cleaning liquid non-dead-corner washing; and after cleaning is completed, the electrophoresis apparatus can be directly closed, and at the moment, the cleaning cavity which is originally wet can automatically recover to a dry ventilation state, so that the storage effect of the cleaned electrode is greatly improved.
Owner:SUZHOU BAIYUAN GENT CO LTD
Ultrasonic cleaning machine
The ultrasonic cleaning machine comprises a main body and a clamping assembly, the clamping assembly comprises a lifting mechanism, a plurality of fixing frames, a plurality of supporting frames, a plurality of first pushing rods, a plurality of first pushing discs, a plurality of connecting ropes, a plurality of second pushing rods, a plurality of second pushing discs, a plurality of springs, a plurality of rotating plates and a pushing mechanism, and the lifting mechanism is arranged on the main body. Therefore, when the articles are cleaned, the cleaning effect and efficiency can be remarkably improved by adopting an alternate fixing mode, specifically, each part can be ensured to be fully exposed in a cleaning medium by alternately changing the fixing positions and angles of the articles, so that the purpose of comprehensive cleaning is achieved, and the cleaning efficiency is improved. By means of the mode, the article cleaning quality is improved, the cleaning speed is greatly increased, the problem that a clamping part is not cleaned in place in a traditional fixing mode is solved, and the requirement for secondary cleaning is reduced.
Owner:JINING SHENGYUAN ULTRASONIC EQUIP CO LTD
Filter press cake unloading mechanism and cake unloading method
ActiveCN116550023BFiltration separationProcess efficiency improvementStructural engineeringFilter press
The present application discloses a filter press cake unloading mechanism and a cake unloading method, and relates to the technical field of filter press cake unloading. The present application includes: a carrier, on which two guide rails are symmetrically and horizontally installed, and also includes a plurality of filter plates, both sides of the filter plates are constructed with toggle blocks, and the toggle blocks are rotatably installed with guide wheels placed on the guide rails; a driving mechanism, which acts on the filter plates and is installed on the carrier, and is used to push the filter plates to move in turn; a scraping mechanism, which is installed on the carrier, and the scraping mechanism has a scraper, which is used to scrape one side of the filter plate vertically. Compared with the prior art, the present application not only performs preliminary cleaning of the mud cake on the filter plate by the shaking mechanism, but also can subsequently scrape the stubborn impurities on the filter plate by the scraper, thereby improving the mud cake treatment effect on the filter plate and preventing the filter plate from being not cleaned in place and affecting subsequent use.
Owner:SHAANXI HUASHAN CONSTR
Full-automatic suction nozzle bag filling machine with cleaning structure
The utility model discloses a full-automatic suction nozzle bag filling machine with a cleaning structure, which comprises a workbench, a mounting frame, a fixing frame and a fixing table, the mounting frame, the fixing frame and the fixing table are respectively arranged on the workbench, a mounting seat is arranged on the outer wall of the top of the workbench, and a filling table is arranged on the outer wall of the top of the mounting seat. Connecting holes which are distributed at equal intervals are formed in the circumferential outer wall of the filling table; the feeding mechanism is arranged on the mounting frame; the filling mechanism is arranged on the fixing frame; a third air cylinder is arranged on one side of the outer wall of the top of the fixing table, and a connecting table is arranged at the piston end of the third air cylinder. The full-automatic suction nozzle bag filling machine with the cleaning structure has the technical effects that the suction nozzle bags are automatically filled and cleaned, cleaning liquid can be prevented from entering the suction nozzle bags in the cleaning process, water vapor cleaning is in place, and the full-automatic suction nozzle bag filling machine is cleaner and more sanitary.
Owner:GUANGDONG B & H HEALTH CARE PRODS
CIP cleaning fluid recovery device
ActiveCN224058248URealize self-circulating cleaningSemi-permeable membranesCleaning using liquidsLiquid storage tankCirculator pump
The utility model relates to a CIP (cleaning in place) cleaning solution recovery device, which belongs to the technical field of cleaning solution recovery, and comprises a recovery solution storage tank, a membrane component and a clear solution storage tank, the discharge end of the recovery solution storage tank is connected with the feed end of the membrane component through a first pipeline group, the membrane component is provided with two discharge ends, and the clear solution storage tank is connected with the feed end of the membrane component through a second pipeline group. Wherein one discharge end is connected to the return end of the recovered liquid storage tank through a second pipeline group, the other discharge end is connected to the feed end of the clear liquid storage tank through a third pipeline group, and the first pipeline group is connected with a circulating pump; and the first pipeline group, the second pipeline group and the third pipeline group are respectively connected with a low-point pipeline and a low-point valve for controlling the low-point pipeline. On one hand, recovered alkali cleaning liquid and acid cleaning liquid can be recycled, and on the other hand, self-circulation cleaning of the device can be achieved by connecting the cleaning tank and the agent tank into the pipeline.
Owner:烟台欣和企业食品有限公司
Glass rotameter capable of being cleaned in place
ActiveCN223243681UVolume meteringVolume/mass flow by dynamic fluid flow effectLeaking waterEmergency treatment
The utility model discloses a glass rotameter capable of being cleaned in place, and relates to the technical field of flowmeters, the glass rotameter capable of being cleaned in place comprises a box body used for carrying out emergency treatment on a leaked water source in a device, the box body comprises a protection box, and a rubber bag is pasted on the inner wall of the protection box through waterproof glue. And the rubber bag is filled with water-absorbent resin particles. When liquid leakage occurs in the device, a water source can enter the rubber bag through the mounting groove, then the water-absorbent resin particles absorb water to generate volume expansion, and the water-absorbent resin particles with volume expansion can enable the rubber bag to generate volume expansion, so that the rubber bag is attached to the outer side of the inner pipe, and the function of emergency treatment on the leaked water source is achieved.
Owner:CHANGZHOU CHENGFENG FLOWMETER
Cleaning device of sampling pipeline for environment detection
The invention discloses a cleaning device of a sampling pipeline for environment detection, and relates to the technical field of sampling pipeline cleaning, the cleaning device comprises a supporting mechanism, a liquid tank, a shell, a long plate, a vertical plate, a first cover body, a long hole and a positioning hole, the shell is fixedly connected to the top of the liquid tank, the long plate is fixedly connected to the top of the shell, the vertical plate is fixedly connected to the surface of the shell, and the long hole is fixedly connected to the surface of the shell. The first cover body is fixedly connected to the surface of the vertical plate, the long hole and the positioning hole are formed in the surface of the long plate, and the long hole is communicated with the positioning hole. The cleaning tool can stretch through the fixed rolling mechanism, the application range is large during use, sampling bottles with different pore diameters can be cleaned in place, cleaning liquid can be saved and operation steps can be reduced through the cleaning mechanism, flushing liquid cannot flow all the time in the replacement process after the sampling bottles are cleaned, and the cleaning efficiency is improved. And the running water control can be realized without adopting a relatively complicated relay.
Owner:SHAANXI ZHONGTIAN ENVIRONMENTAL PROTECTION TECH CO LTD
Spray cleaning mechanism
The utility model relates to a spraying cleaning mechanism. The spraying cleaning mechanism comprises a water tank body and a spraying assembly. The spraying assembly comprises a spraying structure and a moving structure, the moving structure is arranged on the water tank main body, the spraying structure comprises a first spraying pipe and a second spraying pipe, the first spraying pipe is matched with the moving structure, and the second spraying pipe is rotatably arranged on the inner wall of the water tank main body. According to the technical scheme, the problems that in the prior art, glass of various sizes cannot be cleaned, and lower-layer glass cannot be cleaned in place are effectively solved.
Owner:SICHUAN HONGJI OPTICAL GLASS NEW MATERIAL TECH CO LTD
Self-cleaning method of cooking equipment
The invention relates to a self-cleaning method of cooking equipment. The self-cleaning method of the cooking equipment comprises the following steps that water is injected into the inner container; after the starting condition of the circulating pump is met, water injection is stopped, the circulating pump is started, and a circulating washing stage is started; and monitoring the working power of the circulating pump, and judging whether to end the current circulating washing stage or not according to the working power of the circulating pump. The cleaning process is judged by monitoring the power of the circulating pump, and the inner cavity can be cleaned for multiple times, so that the inner cavity can be cleaned in place.
Owner:ZHIYUE YOUCHUANG TECHNOLOGY (SUZHOU) CO LTD
Pig trotter cleaning device
The utility model relates to the technical field of cleaning devices, and discloses a pig trotter cleaning device which comprises a cleaning body, a supporting frame is fixedly connected to the outer wall of the lower end of the cleaning body, electric control equipment is fixedly connected to the outer wall of one side of the cleaning body, and a water inlet is formed in the outer wall of the upper end of the cleaning body. A rotating assembly is fixedly connected to the outer surface of the rear end of the cleaning body, a sealing cover is movably connected to the outer surface of the front end of the cleaning body, and a handle is fixedly connected to the outer surface of the front end of the sealing cover. According to the pig trotter cleaning device, by rotating the rotating shaft, the connecting column, the connecting block and the water filtering frame are driven to rotate together, so that the pig trotters in the water filtering frame can be driven to be overturned and cleaned, the pig trotters which are cleaned in a rolling manner can be brushed by a brush during overturning and cleaning, the pig trotters in the water filtering frame can be cleaned in place, the cleaning effect of the pig trotters can be improved, and a very good use prospect can be brought.
Owner:DALIAN YINGHUAYUAN FOOD CO LTD
Automatic cleaning device
The utility model discloses an automatic cleaning device which comprises a main frame, and the main frame is used for installing at least one of a control module, a driving module or a dust collecting module of the automatic cleaning device. The secondary frame is arranged on one side of the main frame and is movably connected with the main frame; the cleaning mechanism is arranged on the side, facing the surface to be cleaned, of the secondary frame and connected with the secondary frame; the water scraping groove is formed in the secondary frame and abuts against the cleaning mechanism; the secondary frame can move relative to the main frame so that the cleaning mechanism and the water scraping groove can ascend and descend along with the secondary frame, and therefore the cleaning mechanism and the water scraping groove are driven to be close to or away from the surface to be cleaned. By arranging the main frame and the secondary frame which are connected with each other and can move relatively and arranging the cleaning mechanism and the water scraping groove on the secondary frame, the cleaning mechanism can adaptively float along with the secondary frame when meeting an uneven to-be-cleaned surface, and the situation that the cleaning mechanism does not clean in place or non-uniform water stains are left on the to-be-cleaned surface is avoided.
Owner:YUNJING INTELLIGENCE TECH (DONGGUAN) CO LTD +1
Zongzi processing container cleaner
The utility model discloses a rice dumpling processing container cleaner which comprises a first cleaning assembly, a second cleaning assembly and a spray head, and the second cleaning assembly is detachably connected with the first cleaning assembly and the spray head in a mutually independent mode. The first cleaning assembly comprises a bent pipe and a flexible water pipe, the bent pipe is connected to the flexible water pipe in a sleeving mode, a gap is formed between the bent pipe and the flexible water pipe, and the bent pipe is provided with a plurality of bent pipe bodies connected end to end. The second cleaning assembly comprises a three-way pipe and a nozzle, the first end of the three-way pipe is connected into the flexible water pipe, and the second end of the three-way pipe is connected into the nozzle. The cleaning device for the rice dumpling processing container has the advantages that water flows into the nozzle and / or the spray head from the three-way pipe and then is sprayed out from the nozzle and / or the spray head, so that a user can clean the rice dumpling processing container by means of the flexibility of the flexible water pipe. And the cleaning solution and the cleaning water point to the parts of the rice dumpling processing container, which need to be emphatically cleaned and are not easy to clean in place, through the nozzle and / or the spray head.
Owner:浙江诸老大供应链管理有限公司
Chemical pipeline cleaning device and control method thereof
Owner:TAIZHOU LIGANGRUI NEW MATERIAL TECH CO LTD
Self cleaning flow control valve in clean in place system
A self-contained food processor is provided for treating a food flow path in the food processor with a solution. The food flow path can be treated without requiring disassembly and reassembly of the food processor and without requiring direct operator input. The food processor includes a controller for directing passage of a solution through at least portions of the food flow path without requiring constant operator oversight. The food processor can employ available positive pressure water supply, such as public utility water pressure to selectively and automatically push solutions, including rinses, backwards or forwards through the food flow path in the food processor.
Owner:CLEAN SAFER SYSTEMS LLC
In-situ cleaning robot nozzle system
The present invention relates to an in-situ cleaning nozzle system (1) for cleaning surfaces of complex shapes, the in-situ cleaning nozzle system comprising: a first body part (21) including a dry section (22) and a fluid section (23); a second body part (25) arranged coaxially in the first body part; a nozzle part (26) having a nozzle axis (NA); a fluid inlet (24) arranged in the first or second body part; and a fluid outlet (27) arranged in the nozzle part, wherein the nozzle system is operatively connected to an intelligent control unit (28) for controlling the rotational movement of the nozzle part and / or the body part. The present invention also relates to a method for cleaning a container using the in-situ cleaning nozzle unit.
Owner:CIP ROBOTICS
Cleaning apparatus, control method of cleaning apparatus, and storage medium
The embodiment of the application discloses a cleaning device, a control method of the cleaning device and a storage medium. The cleaning device comprises a body assembly; a cleaning assembly installed at the bottom of the body assembly, at least a part of the cleaning assembly being capable of contacting an edge to be cleaned; an edge detection mechanism for detecting edge-abutting information of the cleaning assembly; and a controller connected with the edge detection mechanism, the controller being used for acquiring the edge-abutting information output by the edge detection mechanism and controlling the cleaning device to perform an edge-abutting prompting action based on the edge-abutting information. The edge detection mechanism is used to automatically detect whether the edge is abutted and output a prompt, and a person does not need to judge whether the edge region is cleaned in place, that is, the cleaning device itself has an automatic judgment capability, and the edge cleaning efficiency is improved.
Owner:DREAM INNOVATION TECH (SUZHOU) CO LTD
In-situ cleaning unit, in-situ cleaning system and method thereof
This invention relates to a Clean In-Place (CIP) unit for cleaning a liquid food processing plant with a cleaning fluid. The CIP unit (100) includes: one or more control valves (111a) configured to control the flow rate of the cleaning fluid in the CIP unit (100); a flow device (150); a balance tank (112); and a heat exchanger (113); forming a main circuit with the liquid food processing plant. The CIP unit (100) also includes a high-pressure circuit section (140) configured to bypass the balance tank (112), the high-pressure circuit section (112) including: another control valve (141); and a pressure device (170) configured to increase the pressure of the cleaning fluid to above atmospheric pressure, wherein the high-pressure circuit section (140) is connected to the main circuit, thereby forming a high-pressure circuit with the main circuit, while the high-pressure circuit section (140) bypasses the balance tank (112). A system for cleaning the liquid food processing plant is also provided. A method (300) for cleaning the liquid food processing plant is also provided.
Owner:TETRA LAVAL HOLDINGS & FINANCE SA
Beverage brewing machine clean in place apparatus, system, and methods
PCT designated stageWO2025217442A1Hollow article cleaningBeverage vesselsLiquid lineProcess engineering
A beverage brewer including a brew group for making beverage and operable to provide a vacuum force. A cleaner reservoir carried in the brewer containing cleaning liquid for use during a cleaning cycle. A cleaning liquid line coupled to the cleaner reservoir and the brew group. A controller operating the brew group during a cleaning cycle to create a vacuum on the cleaning line to draw cleaning liquid from the cleaner reservoir to the brew group. A controllable valve coupled to the cleaning liquid line being normally closed when not activated during a cleaning cycle to prevent the passage of cleaning liquid from the cleaner reservoir to the brew group. An optical sensor assembly operatively coupled to the controller and associated with a liquid path of the beverage brewer for detecting a characteristic of a liquid in the path and / or material in the liquid in the path.
Owner:BUNN O MATIC CORP
COMPLETE POULTRY CHILLER WITH CLEAN-IN-PLACE
A poultry cooler comprises a tank with an internal conveyor for moving the poultry along its length. The tank has an opening extending along its length, and a cleaning system is included for automatically cleaning the tank's interior. This cleaning system comprises a plurality of distribution nozzles extending along the tank to direct cleaning fluid onto the tank's inner surface. Adaptation kits are provided for automating cleaning in place of the cooler tanks.
Owner:JBT MAREL CORPORATION
Automatic water blowing cleaning device for metal pipe fittings
The utility model relates to a kind of metal pipe automatic water blowing cleaning device. Including movable support unit, the movable support unit is provided with the hot air guide pipe of inclined upward arrangement, the hot air guide pipe one end is provided with nozzle, the hot air guide pipe other end is connected the air outlet of hot air fan, the air inlet of hot air fan is connected with air blower, steel pipe is located on rotating device, the rotating device drives steel pipe rotation, the movable support unit drives hot air guide pipe, nozzle reciprocating movement along the length direction of steel pipe;The air blower provides cold air into hot air fan, and hot air fan heats cold air, forms hot air, and then hot air flows to nozzle through hot air guide pipe, nozzle sprays hot air and blows towards rotating steel pipe thread, and hot air evaporates residual drips on the bottom of steel pipe thread. The application is non-contact to clean steel pipe thread surface in all aspects, which can clean in place, avoid scratches or burrs, improve adaptability and reduce manual operation.
Owner:JIANGSU VALIN XIGANG SPECIAL STEEL
Sundry cleaning device for pressed black brick blanks
The utility model discloses a sundry cleaning device for a black brick pressed blank, which belongs to the technical field of black brick manufacturing and comprises cleaning shells, a storage table welded on the side wall of the cleaning shell and a support mounted at the top end of the cleaning shell, and a transmission mechanism is arranged between the cleaning shells to facilitate transmission of the black brick pressed blank. According to the cleaning device, the cleaning assembly is arranged above the cleaning shell, the compressed black brick blanks can be cleaned in place in a larger range, comprehensive cleaning of the compressed black brick blanks is achieved, the cleaning assembly is arranged above the cleaning shell, the compressed black brick blanks can be cleaned in a multi-direction and multi-angle mode, the working efficiency of the cleaning device is improved, the cleaning device can adapt to cleaning work of the compressed black brick blanks of different shapes and sizes, and the cleaning efficiency is improved. And a rotating assembly is installed on the storage table, and under the action of the rotating assembly, the cleaned pressed black brick blanks can be gently collected and stored, the breakage rate of the pressed black brick blanks is reduced, and the use efficiency of finished black bricks is improved.
Owner:JIANGXI BAYUAN ENERGY SAVING ENVIRONMENTAL PROTECTION BUILDING MATERIALS CO LTD
Membrane monitoring and clean-in-place control systems and techniques
A membrane fouling monitoring and analysis system may be used on a food and beverage membrane operated over a plurality of production periods separated by daily clean-in-place cleanings. In some examples, the system receives data indicative of a flow of one or both of a permeate stream and a retentate stream of the membrane during the plurality of production periods and determines a trend of at least one parameter associated with the data to provide a determined trend. The system may compare the determined trend to a baseline fouling trend and determine if and / or when to perform a deep cleaning on the membrane based on comparison. The system may subsequently execute the deep cleaning on the membrane at the scheduled time.
Owner:ECOLAB USA INC
On-line in-situ cleaning process for alternate tangential flow filter
The present invention provides a method for in-line in-situ cleaning (CIP) of an alternating tangential flow (ATF) filter in a filtration module in communication with a bioreactor. The method comprises the steps that diluted NaOH passes through an ATF filter, the diluted NaOH is 0.1-0.5 N NaOH, the volume of the NaOH is three to five times of the retention volume of the filter, and the flow velocity of the NaOH is 80-200 ml / L; flushing the filter with sterile water, wherein the volume of the flushing water is 10-20 times of the retention volume of the filter; and balancing the filter with the culture medium. The present invention also provides a system for in-line CIP of an alternating tangential flow (ATF) filter in a filtration module in communication with a bioreactor.
Owner:ENZENE BIOSCIENCES LTD
Use of extended surfactants in process membrane cleaning
Disclosed are membrane separation cleaning processes and clean in place compositions for such membranes. The cleaning compositions can remove proteins, fats, and other food, beverage, and brewery based soils and offer an environmentally friendly alternative surfactant system to NPE. Branched extended chain PO / EO nonionic surfactants with certain characteristics may be used to provide superior cleaning to membranes. The specific surfactants may be used alone or in combination. In some embodiments, the surfactant package is used as part of a cleaning composition.
Owner:ECOLAB USA INC
Method for purifying and recycling PGMEA solvent
PendingCN121735770ASemi-permeable membranesCarboxylic acid esters separation/purificationDipropylene glycol monomethyl ether acetateClean-in-place
The invention discloses a method and a device for purifying and recycling a propylene glycol methyl ether acetate (PGMEA) solvent. The process sequentially comprises the steps of pre-filtering, metal trapping and membrane contactor pervaporation dehydration, polishing and filtering, and then forming an observation batch in a small tank; the indexes of water, particles, total organic carbon and proxy metal are monitored on line, and release / backflow is performed based on dual-threshold gating and exponential weighted moving average; when flux or quality is abnormal, cleaning in place (CIP) is performed and a reset is verified to above 80% of the baseline. The device consists of a raw material tank, a prefilter, a metal trapping unit, a membrane contactor, a polishing filter, a small tank, a valve group and a finished product tank, and is matched with a vacuum / scavenging and condensing unit. According to the scheme, the water content is smaller than or equal to 200 ppm under fluctuating feeding, and the water content and particles / TOC reach the standard cooperatively.
Owner:JIANGNAN UNIV +1
Cleaning in place robotic nozzle system
The present invention relates to a cleaning in place nozzle system (1) for cleaning surfaces of complex shape, comprising a first body part (21) comprising a dry section (22) and a fluid section (23), a second body part (25) coaxially arranged in the first body part, a nozzle part (26) having a nozzle axis (NA), a fluid inlet (24) arranged in the first or second body part and a fluid outlet (27) arranged in the nozzle part wherein the nozzle system is operatively connected to an intelligent control unit (28) for controlling rotational movement of the nozzle part and / or the body parts. The invention further relates to a method for cleaning a container using a cleaning in place nozzle unit.
Owner:CIP ROBOTICS
Online hot cleaning device for double pipelines and pipelines of ethylene glycol three-stage spraying system of polyester production vacuum system
The utility model relates to the technical field of polyester production, and discloses a polyester production vacuum system ethylene glycol three-stage spraying system double-pipeline and pipeline online hot cleaning device which comprises a first-stage spraying tower connected to a second-stage spraying tower through a second-stage vacuum ejector. The second-stage spray tower is connected to the third-stage spray tower through a third-stage vacuum ejector, a spray port of the first-stage spray tower is respectively communicated with an A-side pipeline and a B-side pipeline through pipelines, and the A-side pipeline and the B-side pipeline are connected to a pump A and a pump B through pipelines. The device is additionally provided with a group of spraying pipeline adding pipelines, when the spraying flow of the on-line side pipeline is reduced, the on-line side pipeline can be switched to the standby side to perform long-time hot cleaning on the original on-line side pipeline so as to ensure that the pipeline is completely cleaned in place, and the standby side can be subjected to hot cleaning by designing the heating pipeline, so that the pipeline can be thoroughly cleaned, vacuum fluctuation is not caused, and the service life of the pipeline is prolonged. And meanwhile, the actual production is not influenced.
Owner:JIANGSU HENGKE ADVANCED MATERIALS CO LTD