CN118403863A - Cleaning system and cleaning method for pressure container - Google Patents
Cleaning system and cleaning method for pressure container Download PDFInfo
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- CN118403863A CN118403863A CN202410875152.XA CN202410875152A CN118403863A CN 118403863 A CN118403863 A CN 118403863A CN 202410875152 A CN202410875152 A CN 202410875152A CN 118403863 A CN118403863 A CN 118403863A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 170
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 266
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000005507 spraying Methods 0.000 claims abstract description 42
- 238000011010 flushing procedure Methods 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 239000010865 sewage Substances 0.000 claims abstract description 26
- 238000002791 soaking Methods 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims description 40
- 239000007921 spray Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 5
- 238000011086 high cleaning Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- -1 instruments Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of reactors, and particularly discloses a cleaning system and a cleaning method for a pressure vessel, wherein the cleaning system comprises a kettle body and a tank body, and a stirring mechanism is arranged in the kettle body; the kettle body is provided with a liquid inlet and a sewage outlet, the sewage outlet is connected with a sewage pipe, the sewage pipe is connected with a first connecting pipe, one end of the first connecting pipe is connected with the sewage pipe, and the other end of the first connecting pipe is connected with the tank body; the liquid inlet is connected with the tank body through a second connecting pipe; the second connecting pipe is connected with a liquid inlet branch pipe, the other end of the liquid inlet branch pipe is connected with a hose, and the liquid inlet branch pipe is also connected with a water inlet pipe; the kettle body is internally provided with a spraying assembly and a transmission mechanism, the spraying assembly is connected with a hose, and the spraying assembly is used for flushing the inner wall of the kettle body and the stirring mechanism; the cleaning system comprises a control unit, and the control unit is used for controlling the cleaning system to sequentially perform soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body. The invention can realize the cleaning of the fixed reactor and has high cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of reactors, in particular to a cleaning system and a cleaning method for a pressure vessel.
Background
The pressure vessel is a comprehensive reaction vessel and is applied in a plurality of fields, and the pressure vessel can be matched with the structural function and configuration accessories according to the reaction conditions of specific application scenes. The temperature, pressure, mechanical control (stirring, blowing, etc.), reactant/product concentration, etc. in the reaction process can be strictly regulated. The structure of the kettle is generally composed of components such as a kettle body (a detachable kettle body and a kettle cover), transmission, stirring, heating, cooling, sealing and the like, and the functions of heating, evaporating, cooling, low-speed and high-speed mixing and the like required by the process are realized.
After the pressure vessel is used, especially when the pressure vessel stores too high viscosity solution, dirt can be remained on the inner wall of the pressure vessel, and to some dirt with extremely strong adhesive force, the cleaning is difficult to realize through simple washing, and the prior art is mainly used for scraping dirt through manually entering the kettle body after the pressure vessel is used, and manual cleaning leads to time and labor waste and low efficiency. Or placing the pressure vessel or the liner of the pressure vessel in a cleaning system, and cleaning the pressure vessel or the liner of the pressure vessel by adopting ultrasonic oscillation, high-pressure flushing and other modes, wherein the mode has higher cleaning efficiency, but the pressure vessel is required to be hoisted, so that the operation is inconvenient, hoisting equipment except a cleaning assembly is required to be used, additional cost is caused, the cleaning system is generally huge, the occupied area is large, and the cleaning system cannot clean the fixed reactor.
Disclosure of Invention
The invention aims to provide a cleaning system and a cleaning method for a pressure vessel, which not only can realize the cleaning of a fixed reactor, but also have high cleaning efficiency.
The invention is realized by the following technical scheme:
The cleaning system for the pressure vessel comprises a kettle body, wherein a stirring mechanism is arranged in the kettle body, and the cleaning system also comprises a tank body arranged outside the kettle body;
The kettle body is provided with a liquid inlet and a sewage outlet, the sewage outlet is connected with a sewage pipe, the sewage pipe is connected with a first connecting pipe, one end of the first connecting pipe is connected with the sewage pipe, and the other end of the first connecting pipe is connected with the tank body; the liquid inlet is connected with the tank body through a second connecting pipe; the second connecting pipe is connected with a liquid inlet branch pipe, one end of the liquid inlet branch pipe is connected with the second connecting pipe, the other end of the liquid inlet branch pipe is connected with a hose, and the liquid inlet branch pipe is also connected with a water inlet pipe;
the kettle body is internally provided with a spraying assembly and a transmission mechanism, the spraying assembly is connected with a hose, the transmission mechanism is used for driving the spraying assembly to move up and down in the kettle body, and the spraying assembly is used for flushing the inner wall of the kettle body and the stirring mechanism;
the cleaning system comprises a control unit, and the control unit is used for controlling the cleaning system to sequentially perform soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body.
The present invention is to be understood as an improvement to the pressure vessel to achieve cleaning of the stationary reactor without having to hoist the pressure vessel to a separate cleaning system for cleaning.
According to the invention, the liquid inlet and the drain outlet are added on the basis of the existing pressure container, the circulating loop is formed by the liquid inlet and the drain outlet and the tank body, so that cleaning liquid for cleaning can be provided for the tank body through the tank body, the cleaned cleaning liquid can be recycled in the tank body, the pressure container is cleaned, the consumption of the cleaning liquid is saved, and the discharge of sewage is reduced.
The invention adds the spraying component and the transmission mechanism in the kettle body based on the existing pressure vessel, so as to realize the on-site cleaning of the pressure vessel without hoisting the pressure vessel to an independent cleaning system for cleaning.
In addition, the liquid inlet channel at the liquid inlet of the kettle body is reasonably arranged, so that cleaning liquid enters the kettle body in different modes, and clean water or cleaning liquid enters the kettle body to flush the inner wall of the kettle body and the stirring mechanism: through being connected with the feed liquor branch pipe on the second connecting pipe, the feed liquor branch pipe other end is connected with the hose, and the hose is connected with spray assembly, and the feed liquor branch pipe still is connected with the inlet tube:
When the cleaning liquid is needed to soak and clean the inner part of the kettle body, the tank body and the kettle body are communicated through the second connecting pipe, at the moment, the liquid inlet branch pipe is in a non-conducting state, the cleaning liquid in the tank body directly enters the kettle body through the second connecting pipe and the liquid inlet, and when the cleaning liquid in the kettle body reaches a set liquid level, the soaking time is controlled, so that the inner part of the kettle body is soaked and cleaned.
When the cleaning liquid is required to be adopted to wash the inside of the kettle body, at the moment, the liquid inlet branch pipe is in a conducting state, and the water inlet pipe is in a non-conducting state and the liquid inlet is closed; the cleaning liquid in the tank body enters the spraying assembly through the second connecting pipe, the liquid inlet branch pipe and the hose, and the cleaning liquid flushing of the inner wall of the tank body and the stirring mechanism is realized through the spraying assembly.
When the inside clear water of the cauldron body is washed to needs adoption clear water, at this moment, the second connecting pipe is in non-conduction state, and the inlet tube is in conduction state, and clear water passes through inlet tube, hose entering spray assembly, realizes washing liquid to the internal wall of cauldron and rabbling mechanism through spray assembly.
Therefore, the liquid inlet channel at the liquid inlet of the kettle body is reasonably arranged, and the cleaning system can be combined to sequentially perform soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body, wherein the soaking cleaning can remove part of chemical residues and dirt in the kettle body, and the soaking can loosen the refractory dirt, so that the subsequent flushing is facilitated, then the dirt is removed in a flushing mode, and the cleaning efficiency is improved; the cleaning liquid is adopted to wash and then clear water is adopted to wash, wherein the cleaning liquid is adopted to remove dirt under the combined action of chemistry and mechanics, so that the dirt removing efficiency can be further improved; the clean water washing can wash residual dirt and cleaning liquid after the cleaning liquid washing, and the cleanliness of the pressure container after the cleaning is improved.
In a specific implementation manner, the control unit comprises a controller, and the control unit further comprises a main blow-off valve, a first blow-off valve, a liquid discharge pump, a liquid inlet main valve, a liquid inlet pump, a first liquid inlet valve, a second liquid inlet valve, a water inlet valve, a liquid level sensor, a second motor, a first motor and a timer which are in communication connection with the controller;
The liquid level sensor is arranged in the kettle body and is used for collecting the liquid level in the kettle body;
the first drain valve and the liquid discharge pump are arranged on the first connecting pipe and are used for conveying the cleaning liquid in the kettle body into the tank body;
The main blow-down valve is arranged on the blow-down pipe, and the blow-down port is opened and closed through the main blow-down valve;
The liquid inlet main valve, the liquid inlet pump and the second liquid inlet valve are arranged on the second connecting pipe and are used for conveying the cleaning liquid in the tank body into the kettle body;
the first liquid inlet valve is arranged on the liquid inlet branch pipe, and the cleaning liquid in the tank body is conveyed to the spraying assembly through the first liquid inlet valve;
The water inlet valve is arranged on the water inlet pipe and is used for conveying clear water to the spray assembly;
the second motor is used for providing driving force for the transmission mechanism, and the first motor is used for driving the stirring mechanism to rotate.
According to the invention, the controller is used for controlling the main blow-down valve, the first blow-down valve, the liquid discharge pump, the liquid inlet main valve, the liquid inlet pump, the first liquid inlet valve, the second liquid inlet valve, the water inlet valve, the liquid level sensor, the second motor, the first motor and the timer, so that cleaning liquid can enter the kettle body in different modes, clear water or cleaning liquid enters the kettle body to flush the inner wall of the kettle body and the stirring mechanism, and the cleaning system can sequentially soak and clean the kettle body, clean liquid and clear water flush.
In a preferred implementation mode, the control unit further comprises a temperature sensor and a heating mechanism which are in communication connection with the controller, wherein the temperature sensor is used for collecting the temperature of the cleaning liquid in the kettle body in real time, and the controller judges whether to start the heating mechanism according to the temperature collected by the temperature sensor.
The heating mechanism is an accessory of the pressure container, can be used for heating the pressure container, when the pressure container is soaked and cleaned by the cleaning liquid, the temperature of the cleaning liquid can have a certain influence on the cleaning effect, the temperature is determined according to dirt attached to the reaction of the pressure container, because the dirt is different, the corresponding cleaning liquid is different, the required optimal temperature is also different, the temperature setting can be determined according to the specific, the temperature of the cleaning liquid is controlled in a better range by the heating mechanism, the soaking and cleaning effect can be improved, and the soaking time is shortened.
In a preferred implementation, the cleaning system further comprises a drain branch pipe, one end of the drain branch pipe is connected with the first connecting pipe, the other end of the drain branch pipe is connected with the drain pipe, a second drain valve and a filter are arranged on the drain branch pipe, the second drain valve is in communication connection with a controller in the control unit, and the second drain valve is arranged at the front end of the filter.
When soaking and cleaning are carried out, the cleaning liquid can not leave the particle impurities with larger particle diameters, and can directly enter the tank body for recycling, when spraying or even scraping dirt is adopted, the cleaning liquid can contain the particle impurities with larger particle diameters, and if the cleaning liquid directly enters the tank body for recycling, the cleaning liquid can possibly pollute the inside of the pressure vessel again. According to the invention, the sewage branch pipe is arranged, the filter and the second sewage valve are arranged on the sewage branch pipe, and the controller can control the second sewage valve and the first sewage valve to realize that the soaking liquid in the kettle body can enter the tank body in different paths according to the needs:
The cleaning liquid after soaking and cleaning can directly enter the tank body through the first connecting pipe, the sprayed cleaning liquid can pass through the pollution discharge branch pipe and then enter the tank body through the first connecting pipe after being filtered by the filter, so that the cleaning liquid entering the tank body is ensured not to contain particle impurities with larger particle sizes.
In one specific implementation, the spray assembly comprises an annular pipe connected to the hose by a fitting; the annular pipeline is arranged at the outer side of the stirring mechanism and moves up and down in the kettle body through the transmission mechanism;
the inside and the outside of annular pipeline all are provided with a plurality of shower nozzles, and a plurality of shower nozzles of setting in annular pipeline inboard are used for washing rabbling mechanism, and a plurality of shower nozzles of setting in annular pipeline outside are used for wasing the internal wall of cauldron.
In a preferred implementation mode, an annular scraping plate is arranged on the annular pipeline, one end of the annular scraping plate is connected with the annular pipeline, and the other end of the annular scraping plate is clung to the inner wall of the kettle body.
Although the washing effect can be improved by a soaking mode, some relatively stubborn dirt cannot be completely removed, and the annular scraping plate is arranged on the annular pipeline, so that the dirt on the inner wall of the kettle body is scraped by the relative movement of the annular scraping plate and the inner wall of the kettle body when the annular pipeline moves up and down, and the washing effect is further improved.
In a preferred embodiment, the annular scraper is arranged below the spray head.
The annular scraping plate mechanically scrapes dirt in the kettle body, and can loosen the dirt even if the dirt cannot be completely scraped. When the annular scraping plate can not completely scrape dirt, the spray head arranged above the annular scraping plate can wash the scraped position of the annular scraping plate, so that the cleaning effect can be improved.
In a preferred implementation, the device further comprises a rotating friction assembly, wherein the rotating friction assembly comprises a swinging scraper, a hinging rod, a first elastic piece and a second elastic piece;
The swinging scraping plate is arranged below the spray head, a cavity is formed in the swinging scraping plate, the top of the cavity is an open end, and the cavity is separated by a partition plate to form a first cavity and a second cavity; and the volume of the second cavity is larger than that of the first cavity;
The bottom of the hinging rod is connected with the upper end surface of the horizontal section of the annular scraping plate, and the top of the hinging rod is hinged with the bottom of the swinging scraping plate;
One end of the first elastic piece is connected with the bottom of the first cavity, and a space is reserved between the other end of the first elastic piece and the horizontal section of the annular scraping plate; one end of the second elastic piece is connected with the bottom of the second cavity, and a space is reserved between the other end of the second elastic piece and the horizontal section of the annular scraping plate.
In a preferred implementation, the end of the joint connected with the hose is provided with a sealing cover, the sealing cover is arranged in the kettle body, and the sealing cover is used for sealing a through hole which is arranged on the kettle body and is used for penetrating through the hose. When the pressure vessel is in reaction use, the sealing cover seals the through hole, and when the pressure vessel needs to be cleaned, the sealing cover can be separated from the inner wall of the kettle body along with the movement of the annular pipeline, so that the hose can enter the kettle body, and the annular pipeline is ensured to smoothly move up and down.
In a preferred implementation mode, the outer wall of the kettle body is provided with a take-up and pay-off mechanism, and the take-up and pay-off mechanism is used for taking up and paying-off the hose.
Because the reaction in the pressure vessel is basically high temperature, if the hose is arranged in the kettle body, the hose is required to have excellent high temperature resistance.
The cleaning method based on the cleaning system comprises the following steps:
S1, soaking and cleaning: the controller controls to close the main drain valve and the first liquid inlet valve, and opens the main liquid inlet valve, the second liquid inlet valve and the liquid inlet pump, so that the tank body conveys cleaning liquid into the tank body, in the conveying process, the liquid level in the tank body is collected in real time by the liquid level sensor, when the liquid level in the tank body reaches a set upper limit value, the controller controls to close the liquid inlet pump and open the timer, so that the cleaning liquid is stopped to be conveyed into the tank body, the timer starts to count time, and when the soaking time reaches a set value, the controller controls to open the main drain valve, the first drain valve and the liquid outlet pump, and close the main liquid inlet valve, the second liquid inlet valve and the liquid inlet pump, so that the cleaning liquid in the tank body is conveyed into the tank body;
S2, washing with a cleaning solution: in the process of conveying cleaning liquid into the tank body, a liquid level sensor collects the liquid level in the tank body in real time, when the liquid level in the tank body reaches a set lower limit value, a controller controls and opens a liquid inlet main valve, a liquid inlet pump and a first liquid inlet valve, a second liquid inlet valve and a water inlet valve are kept closed, at the moment, a circulation loop is formed between the tank body and the tank body, cleaning liquid in the tank body enters a spraying assembly through a hose, cleaning liquid is flushed on the tank body and a stirring mechanism through the spraying assembly, and in the cleaning liquid flushing process, a second motor is controlled by the controller to act, so that a transmission mechanism drives the spraying assembly to move up and down in the tank body;
S3, flushing with clear water: when the washing liquid is washed, the controller controls the liquid inlet main valve, the liquid inlet pump, the first liquid inlet valve, the first drain valve and the liquid discharge pump to be closed, the main drain valve is kept open, the water inlet valve is opened at the same time, at the moment, clear water enters the spraying assembly through the hose, clear water washing is carried out on the kettle body and the stirring mechanism through the spraying assembly, and sewage washed by the clear water is discharged out of the kettle body through the drain pipe; in the clear water flushing process, the controller controls the second motor to act, so that the transmission mechanism drives the spraying assembly to move up and down in the kettle body.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. The invention adds the liquid inlet and the sewage outlet on the basis of the existing pressure vessel; the spraying assembly and the transmission mechanism are added in the kettle body, meanwhile, liquid inlet channels at the liquid inlet of the kettle body are reasonably arranged, and the cleaning system can be combined with the control unit to sequentially perform soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body; not only can realize the cleaning of the fixed reactor, but also has the advantage of high cleaning efficiency.
2. According to the invention, by arranging the blow-down branch pipe, one end of the blow-down branch pipe is connected with the first connecting pipe, the other end of the blow-down branch pipe is connected with the blow-down pipe, and the blow-down branch pipe is provided with the second blow-down valve and the filter; the cleaning liquid after soaking and cleaning can directly enter the tank body through the first connecting pipe, the sprayed cleaning liquid can pass through the pollution discharge branch pipe and then enter the tank body through the first connecting pipe after being filtered by the filter, so that the cleaning liquid entering the tank body is ensured not to contain particle impurities with larger particle sizes.
3. The invention realizes that the cleaning system sequentially carries out soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body, improves the cleaning efficiency, adopts a bubble, flushing and scraping mode to clean the inside of the pressure vessel, and improves the cleaning effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of a cleaning system according to the present invention;
FIG. 2 is an enlarged view of part of the liquid inlet of the kettle body of example 1;
FIG. 3 is a schematic view of the spray assembly of the present invention;
FIG. 4 is an enlarged view of part of the liquid inlet of the kettle body of example 2;
fig. 5 is a cross-sectional view of the oscillating flight of example 2.
In the drawings, the reference numerals and corresponding part names:
1-a liquid inlet; 2-a sewage outlet; 3-ring-shaped pipes; 4-spray head; 5-an annular scraper; 6-a stirring mechanism; 7-a blow-down pipe; 8-a first connection tube; 9-a pollution discharge branch pipe; 10-a first blow-down valve; 11-a second blow-down valve; 12-a filter; 13-a liquid discharge pump; 14-a second connecting tube; 15-a main liquid inlet valve; 16-a liquid inlet pump; 17-a liquid inlet branch pipe; 18-a first liquid inlet valve; 19-a water inlet valve; 20-hose; 21-linker; 22-a transmission mechanism; 23-a second motor; 24-a first motor; 25-fixing blocks; 26-sealing cover; 27-a second inlet valve; 28-a main blow-down valve; 29-swinging the scraper; 30-a hinge rod; 31-a first cavity; 32-a separator; 33-a second cavity; 34-a drain port; 35-a second elastic member; 36-a first elastic member; 37-an elastic wiper strip; 100-kettle body; 200-tank body; 201-a first inlet; 202-a first outlet; 203-a second outlet; 204-a second inlet.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be described in further detail with reference to the following examples, which are illustrative embodiments of the present invention and the description thereof are intended to be illustrative of the present invention and not limiting of the present invention, and the examples described below are some, but not all, examples of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, materials, or methods have not been described in detail in order to avoid obscuring the present invention. Materials, instruments, reagents and the like used in the following examples are commercially available unless otherwise specified. The technical means used in the examples, unless otherwise specified, are conventional means well known to those skilled in the art.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1:
As shown in fig. 1 to 3, a cleaning system for a pressure vessel includes a vessel body 100, in which accessories such as a stirring mechanism 6 and a heating mechanism are disposed in the vessel body 100, the stirring mechanism 6 is driven to rotate by a first motor 24 disposed outside the vessel body 100, a gap is provided between a stirring blade of the stirring mechanism 6 and an inner wall of the vessel body 100, the stirring blade is not limited in shape, so long as the stirring blade can stir liquid, the stirring blade may be in a fan blade shape or a square strip shape, the vessel body 100 may be formed by a vessel body and a vessel cover which are detachably connected, so that a reactant is conveniently taken out from a top opening of the vessel body or operations such as feeding are conveniently performed, the cleaning system further includes a tank body 200 disposed outside the vessel body 100, the tank body 200 is used for storing a cleaning liquid, and the specific formulation is determined according to a reaction performed by the pressure vessel. The tank 200 is provided with a first inlet 201, a first outlet 202, a second outlet 203 and a second inlet 204; wherein the second outlet 203 and the second inlet 204 are used for being connected with the kettle body 100, the first inlet 201 is used for adding or introducing cleaning liquid into the tank body 200, the first outlet 202 is used for discharging the cleaning liquid in the tank body 200, and preferably, the first outlet 202 is arranged at the bottom of the tank body 200.
The kettle body 100 is provided with a liquid inlet 1 and a drain outlet 2, preferably, the drain outlet 2 is arranged at the bottom of the kettle body 100, the liquid inlet 1 is arranged at the upper part of the side wall of the kettle body 100, the drain outlet 2 is connected with a drain pipe 7, the drain pipe 7 is connected with a first connecting pipe 8, specifically, one end of the first connecting pipe 8 is connected with the drain pipe 7, a connecting point is positioned above a liquid outlet port of the drain pipe 7, the front end of the connecting point is provided with a main drain valve 28, the other end of the first connecting pipe 8 is connected with a second inlet 204 of the tank body 200, and the first connecting pipe 8 is provided with a first drain valve 10 and a liquid discharge pump 13; the liquid inlet 1 is connected with a second outlet 203 of the tank 200 through a second connecting pipe 14, and a liquid inlet main valve 15 and a liquid inlet pump 16 are arranged on the second connecting pipe 14; the rear ends of the liquid inlet main valve 15 and the liquid inlet pump 16 on the second connecting pipe 14 are connected with a liquid inlet branch pipe 17, one end of the liquid inlet branch pipe 17 is connected with the second connecting pipe 14, the rear end of the liquid inlet branch pipe 17 on the second connecting pipe 14 is provided with a second liquid inlet valve 27, the other end of the liquid inlet branch pipe 17 is connected with a hose 20, the front end of the hose 20 on the liquid inlet branch pipe 17 is provided with a first liquid inlet valve 18, the liquid inlet branch pipe 17 is also connected with a water inlet pipe, and the water inlet pipe is provided with a water inlet valve 19. The front and rear ends of this embodiment are relative to the direction of liquid flow.
In a preferred case, the cleaning system further comprises a drain branch pipe 9, one end of the drain branch pipe 9 is connected with the first connecting pipe 8, the connecting point is located at the rear end of the first drain valve 10 and located at the front end of the liquid discharge pump 13, the other end of the drain branch pipe 9 is connected with the drain pipe 7, a second drain valve 11 and a filter 12 are arranged on the drain branch pipe 9, the second drain valve 11 is in communication connection with a controller in the control unit, and the second drain valve 11 is arranged at the front end of the filter 12.
The kettle body 100 is internally provided with a spraying assembly and a transmission mechanism 22, the spraying assembly is connected with the hose 20, the transmission mechanism 22 is used for driving the spraying assembly to move up and down in the kettle body 100, and the spraying assembly is used for flushing the inner wall of the kettle body 100 and the stirring mechanism 6.
Wherein, spray the subassembly one of them structure is:
The spray assembly comprises an annular pipeline 3, and the annular pipeline 3 is connected with a hose 20 through a joint 21; the annular pipeline 3 is arranged outside the stirring mechanism 6, and the annular pipeline 3 moves up and down in the kettle body 100 through the transmission mechanism 22;
The inside and the outside of the annular pipeline 3 are both provided with a plurality of spray heads 4, the spray heads 4 arranged on the inside of the annular pipeline 3 are used for flushing the stirring mechanism 6, and the spray heads 4 arranged on the outside of the annular pipeline 3 are used for cleaning the inner wall of the kettle body 100. Preferably, the jet orifice of the nozzle 4 is downward and forms an included angle of 30-60 degrees with the inner wall of the kettle body 100, so that water flow sprayed by the nozzle 4 cannot vertically hit the inner wall of the kettle body 100, and the flushing effect of the nozzle 4 on the inner wall of the kettle body 100 is improved.
Preferably, the annular scraper 5 is arranged below the spray head 4. The spray head 4 arranged above the annular scraping plate 5 can wash the scraped position of the annular scraping plate 5, and the cleaning effect can be improved.
In a preferred case, an annular scraping plate 5 is arranged on the annular pipeline 3, one end of the annular scraping plate 5 is connected with the annular pipeline 3, and the other end of the annular scraping plate is tightly attached to the inner wall of the kettle body 100. Specifically, the axial section of the annular scraping plate 5 is of an L-shaped structure, the top of a vertical section of the L-shaped structure is connected with the bottom of the annular pipeline 3, and the outer side end of a horizontal section of the L-shaped structure is clung to the inner wall of the kettle body 100. Preferably, the outer side end of the horizontal section of the L-shaped structure is provided with an annular plate, the thickness of the annular plate is smaller than that of the horizontal section of the L-shaped structure, the contact area between the annular scraping plate 5 and the inner wall of the kettle body 100 in the scraping process is reduced, and the scraping effect is improved.
Wherein, drive mechanism 22 can be cylinder, pneumatic cylinder, lead screw transmission and linear guide's etc. can realize the structure of linear displacement, in this embodiment, preferably adopt the lead screw transmission, the lead screw transmission includes supporting screw rod and nut, wherein, the top of screw rod is through the power output shaft connection of transmission shaft and second motor 23, by second motor 23 drive screw rod rotation, and then drive the nut and reciprocate, set up a fixed block 25 at the inner wall of annular duct 3, fixed block 25 is fixed on the nut, realized that lead screw transmission drive annular duct 3 carries out the vertical displacement in cauldron body 100.
In a preferred embodiment, the end of the joint 21 connected to the hose 20 is provided with a sealing cover 26, the sealing cover 26 is disposed in the kettle body 100, and the sealing cover 26 is used for sealing a through hole formed in the kettle body 100 for passing through the hose 20. More specifically, the inner wall of the kettle body 100 is provided with a clamping groove, one side of the sealing cover 26 opposite to the inner wall of the kettle body 100 is provided with a bulge matched with the clamping groove, the bulge is clamped in the clamping groove, a sealing ring is arranged at the clamping position, the sealing effect is improved, when the annular pipeline 3 moves downwards, the connector 21 is pulled to provide a horizontal pulling force for the sealing cover 26, the bulge is pulled out of the clamping groove, the sealing cover 26 is separated from the inner wall of the kettle body 100, at the moment, the hose 20 can move in a through hole on the kettle body 100, and then the annular pipeline 3 is supplemented with cleaning liquid or clean water at any time in the flushing process of the spraying assembly.
In a preferred case, a winding and unwinding mechanism is arranged on the outer wall of the kettle body 100, the winding and unwinding mechanism is used for winding and unwinding the hose 20, the winding and unwinding mechanism adopts the prior art, the existing cable winding and unwinding mechanism can be utilized, the winding and unwinding mechanism mainly comprises a frame, a rotary table and a driving motor, the rotary table is fixed on the frame through a shaft, the shaft is connected with a power output shaft of the driving motor, the driving motor is controlled to rotate forward and reversely through a controller to realize winding and unwinding, when the controller controls the second motor 23 to rotate forward, the controller controls the driving motor to rotate forward when the annular pipeline 3 moves downwards, the winding and unwinding mechanism is enabled to perform winding and unwinding operation, and the hose 20 is ensured not to influence the downward movement of the annular pipeline 3; when the controller controls the second motor 23 to rotate reversely to enable the annular pipeline 3 to move upwards, the controller controls the driving motor to rotate reversely to enable the winding and unwinding mechanism to perform winding operation, and therefore the fact that no redundant hose 20 exists in the kettle body 100 is ensured.
Preferably, the spray assembly, the transmission mechanism 22 and the annular scraping plate 5 of the present embodiment are made of high temperature resistant materials, and may be specifically made of high temperature resistant stainless steel or the like.
The cleaning system comprises a control unit, and the control unit is used for controlling the cleaning system to sequentially perform soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body 100. In a specific case, the control unit comprises a controller, which may be a PLC or the like, and further comprises a main blow-off valve 28, a first blow-off valve 10, a liquid discharge pump 13, a liquid inlet main valve 15, a liquid inlet pump 16, a first liquid inlet valve 18, a second liquid inlet valve 27, a water inlet valve 19, a liquid level sensor, a second motor 23, a first motor 24 and a timer which are in communication connection with the controller;
The liquid level sensor is arranged in the kettle body 100 and is used for collecting the liquid level in the kettle body 100;
the first blow-down valve 10 and the liquid discharge pump 13 are arranged on the first connecting pipe 8 and are used for conveying the cleaning liquid in the kettle body 100 into the tank body 200;
the main blow-down valve 28 is arranged on the blow-down pipe 7, and the blow-down port 2 is opened and closed through the main blow-down valve 28;
the liquid inlet main valve 15, the liquid inlet pump 16 and the second liquid inlet valve 27 are arranged on the second connecting pipe 14 and are used for conveying the cleaning liquid in the tank body 200 into the kettle body 100;
the first liquid inlet valve 18 is arranged on the liquid inlet branch pipe 17, and the cleaning liquid in the tank body 200 is conveyed to the spray assembly through the first liquid inlet valve 18;
a water inlet valve 19 is arranged on the water inlet pipe and is used for conveying clear water to the spray assembly;
the second motor 23 is used for providing driving force for the transmission mechanism 22, and the first motor 24 is used for driving the stirring mechanism 6 to rotate.
In a preferred case, the control unit further comprises a temperature sensor and a heating mechanism which are in communication connection with the controller, wherein the temperature sensor is used for collecting the temperature of the cleaning liquid in the kettle body 100 in real time, and the controller judges whether to start the heating mechanism according to the temperature collected by the temperature sensor.
The cleaning method based on the cleaning system comprises the following steps:
S1, soaking and cleaning: the controller controls to close the main drain valve 28 and the first liquid inlet valve 18, and open the main liquid inlet valve 15, the second liquid inlet valve 27 and the liquid inlet pump 16, so that the tank 200 conveys cleaning liquid into the tank 100, in the conveying process, the liquid level in the tank 100 is collected in real time by the liquid level sensor, when the liquid level in the tank 100 reaches a set upper limit value, the controller controls to close the liquid inlet pump 16 and open a timer, the cleaning liquid is stopped to be conveyed into the tank 100, the timer starts to time, when the soaking time reaches the set value, the controller controls to open the main drain valve 28, the first drain valve 10 and the liquid outlet pump 13, and close the main liquid inlet valve 15, the second liquid inlet valve 27 and the liquid inlet pump 16, so that the cleaning liquid in the tank 100 is conveyed into the tank 200.
S2, washing with a cleaning solution: in the process of conveying cleaning liquid into the tank body 200 from the tank body 100, the liquid level in the tank body 100 is collected in real time by a liquid level sensor, when the liquid level in the tank body 100 reaches a set lower limit value, the controller controls the opening of the liquid inlet main valve 15, the liquid inlet pump 16 and the first liquid inlet valve 18, the second liquid inlet valve 27 and the water inlet valve 19 are kept closed, at the moment, a circulation loop is formed between the tank body 100 and the tank body 200, cleaning liquid in the tank body 200 enters a spraying assembly through a hose 20, cleaning liquid is flushed on the tank body 100 and the stirring mechanism 6 through the spraying assembly, and in the cleaning liquid flushing process, the controller controls the second motor 23 to act, so that the transmission mechanism 22 drives the spraying assembly to move up and down in the tank body 100.
When the drain branch pipe 9 is arranged, the controller controls the first drain valve 10 to be closed and the second drain valve 11 to be opened when the step S2 is carried out, so that the cleaning liquid in the kettle body 100 sequentially passes through the drain outlet 2, the drain pipe 7, the drain branch pipe 9 and the second connecting pipe 14 to enter the tank body 200.
S3, flushing with clear water: after the washing of the washing liquid is finished, the controller controls the liquid inlet main valve 15, the liquid inlet pump 16, the first liquid inlet valve 18, the first blow-down valve 10 and the liquid discharge pump 13 to be closed, the main blow-down valve 28 is kept open, the water inlet valve 19 is opened at the same time, at the moment, clean water enters the spraying assembly through the hose 20, the clean water washing is carried out on the kettle body 100 and the stirring mechanism 6 through the spraying assembly, and the sewage washed by the clean water is discharged out of the kettle body 100 through the blow-down pipe 7; in the process of flushing with clean water, the controller controls the second motor 23 to act, so that the transmission mechanism 22 drives the spray assembly to move up and down in the kettle body 100.
In summary, the embodiment adds the liquid inlet 1 and the drain outlet 2 on the basis of the existing pressure vessel; the spraying assembly and the transmission mechanism 22 are added in the kettle body 100, meanwhile, liquid inlet channels at the liquid inlet 1 of the kettle body 100 are reasonably arranged, and the kettle body 100 can be sequentially soaked and cleaned, cleaned by cleaning liquid and cleaned by cleaning water by combining with the control unit; not only can realize the cleaning of the fixed reactor, but also has the advantage of high cleaning efficiency.
Example 2:
As shown in fig. 1 to 5, this embodiment is based on embodiment 1, and differs from embodiment 1 in that: the scraping component in this embodiment increases the friction of the inner wall of the kettle body 100 realized by using a rotation mode on the basis of the annular scraping plate 5 according to the setting of the spray head 4, is matched with the linear friction of the vertical direction of the annular scraping plate 5, is more beneficial to cleaning the kettle body 100 with the annular inner wall, improves the removal rate of dirt, and especially is difficult to remove dirt which is difficult to remove by only linear friction. The structure for realizing the rotation friction in the embodiment is as follows:
Comprises a swinging scraper 29, a hinging rod 30, a first elastic piece 36 and a second elastic piece 35;
The swinging scraper 29 is arranged below the spray head 4, a cavity is formed in the swinging scraper 29, the top of the cavity is an open end, a partition plate 32 is arranged in the swinging scraper 29 to separate the cavity into a first cavity 31 and a second cavity 33, the height of the partition plate 32 protrudes out of the swinging scraper 29, the volume of the second cavity 33 is larger than that of the first cavity 31, and a water outlet 34 is formed in the side wall of the second cavity 33 opposite to the partition plate 32;
the bottom of the hinging rod 30 is connected with the upper end surface of the horizontal section of the annular scraping plate 5, and the top of the hinging rod 30 is hinged with the bottom of the swinging scraping plate 29;
One end of the first elastic piece 36 is connected with the bottom of the first cavity 31, and a space is reserved between the other end of the first elastic piece 36 and the horizontal section of the annular scraping plate 5; one end of the second elastic member 35 is connected to the bottom of the second cavity 33, and a space is provided between the other end of the second elastic member 35 and the horizontal section of the annular scraper 5.
The working principle of this embodiment is as follows:
When the spray head 4 sprays and washes the inner wall of the kettle body 100, flushing liquid or clear water enters the first cavity 31 and the second cavity 33 along the inner wall of the kettle body 100, because the volume of the second cavity 33 is larger than that of the first cavity 31, when the weight of the second cavity 33 is larger than that of the first cavity 31, the swinging scraper 29 deflects, at the moment, one side of the second cavity 33 is inclined downwards, the lower end of the second elastic piece 35 contacts the annular scraper 5, the annular scraper 5 is compressed, water in the second cavity 33 is poured out, the water outlet 34 is arranged, the pouring of the water in the second cavity 33 can be accelerated, then the second cavity 33 deflects upwards under the action of restoring force of the second elastic piece 35, and because the height of the baffle 32 protrudes out of the swinging scraper 29, the water in the first cavity 31 can be ensured to be as little as possible, the water in the first cavity 31 can be used as a counterweight, the second cavity 33 has upward overturning force, and the reciprocating friction on the inner wall of the kettle body 100 is realized.
In a preferred embodiment, the side of the swinging scraper 29 contacted with the inner wall of the kettle body 100 is provided with an elastic scraper bar 37, and the elastic scraper bar 37 has certain elasticity and can ensure that the swinging scraper bar is always contacted with the inner wall of the kettle body 100.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are for understanding and reading only by those skilled in the art, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustments should fall within the scope of the invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
Claims (10)
1. The cleaning system for the pressure vessel comprises a kettle body (100), wherein a stirring mechanism (6) is arranged in the kettle body (100), and is characterized by further comprising a tank body (200) arranged outside the kettle body (100);
the kettle is characterized in that a liquid inlet (1) and a sewage outlet (2) are arranged on the kettle body (100), the sewage outlet (2) is connected with a sewage drain pipe (7), a first connecting pipe (8) is connected to the sewage drain pipe (7), one end of the first connecting pipe (8) is connected with the sewage drain pipe (7), and the other end of the first connecting pipe is connected with the tank body (200); the liquid inlet (1) is connected with the tank body (200) through a second connecting pipe (14); the second connecting pipe (14) is connected with a liquid inlet branch pipe (17), one end of the liquid inlet branch pipe (17) is connected with the second connecting pipe (14), the other end of the liquid inlet branch pipe is connected with a hose (20), and the liquid inlet branch pipe (17) is also connected with a water inlet pipe;
a spraying assembly and a transmission mechanism (22) are arranged in the kettle body (100), the spraying assembly is connected with the hose (20), the transmission mechanism (22) is used for driving the spraying assembly to move up and down in the kettle body (100), and the spraying assembly is used for flushing the inner wall of the kettle body (100) and the stirring mechanism (6);
The cleaning system comprises a control unit, and the control unit is used for controlling the cleaning system to sequentially perform soaking cleaning, cleaning liquid flushing and clear water flushing on the kettle body (100).
2. A cleaning system for a pressure vessel according to claim 1, wherein the control unit comprises a controller, the control unit further comprising a main blowdown valve (28), a first blowdown valve (10), a liquid discharge pump (13), a liquid inlet main valve (15), a liquid inlet pump (16), a first liquid inlet valve (18), a second liquid inlet valve (27), a water inlet valve (19), a liquid level sensor, a second motor (23), a first motor (24) and a timer in communication with the controller;
the liquid level sensor is arranged in the kettle body (100) and is used for collecting the liquid level in the kettle body (100);
The first blow-down valve (10) and the liquid discharge pump (13) are arranged on the first connecting pipe (8) and are used for conveying the cleaning liquid in the kettle body (100) into the tank body (200);
The main blow-down valve (28) is arranged on the blow-down pipe (7), and the blow-down port (2) is opened and closed through the main blow-down valve (28);
the liquid inlet main valve (15), the liquid inlet pump (16) and the second liquid inlet valve (27) are arranged on the second connecting pipe (14) and are used for conveying the cleaning liquid in the tank body (200) into the kettle body (100);
the first liquid inlet valve (18) is arranged on the liquid inlet branch pipe (17), and the cleaning liquid in the tank body (200) is conveyed to the spraying assembly through the first liquid inlet valve (18);
the water inlet valve (19) is arranged on the water inlet pipe and is used for conveying clear water to the spraying assembly;
The second motor (23) is used for providing driving force for the transmission mechanism (22), and the first motor (24) is used for driving the stirring mechanism (6) to rotate.
3. The cleaning system for a pressure vessel according to claim 2, wherein the control unit further comprises a temperature sensor and a heating mechanism which are in communication connection with the controller, wherein the temperature sensor is used for collecting the temperature of the cleaning liquid in the kettle body (100) in real time, and the controller judges whether to start the heating mechanism according to the temperature collected by the temperature sensor.
4. A cleaning system for a pressure vessel according to claim 1, characterized in that the cleaning system further comprises a blow-down branch pipe (9), one end of the blow-down branch pipe (9) is connected to the first connecting pipe (8), the other end is connected to the blow-down pipe (7), a second blow-down valve (11) and a filter (12) are arranged on the blow-down branch pipe (9), the second blow-down valve (11) is in communication connection with a controller in the control unit, and the second blow-down valve (11) is arranged at the front end of the filter (12).
5. A cleaning system for pressure vessels according to claim 1, wherein the spray assembly comprises an annular pipe (3), the annular pipe (3) being connected to the hose (20) by a joint (21); the annular pipeline (3) is arranged outside the stirring mechanism (6), and the annular pipeline (3) moves up and down in the kettle body (100) through the transmission mechanism (22);
The inner side and the outer side of the annular pipeline (3) are respectively provided with a plurality of spray heads (4), the spray heads (4) arranged on the inner side of the annular pipeline (3) are used for flushing the stirring mechanism (6), and the spray heads (4) arranged on the outer side of the annular pipeline (3) are used for cleaning the inner wall of the kettle body (100).
6. A cleaning system for pressure vessels according to claim 5 wherein an annular scraper (5) is provided on the annular conduit (3), one end of the annular scraper (5) being connected to the annular conduit (3) and the other end being in close proximity to the inner wall of the vessel (100).
7. A cleaning system for a pressure vessel according to claim 5, further comprising a rotating friction assembly comprising a swinging scraper (29), a hinge lever (30), a first elastic member (36) and a second elastic member (35);
the swinging scraping plate (29) is arranged below the spray head (4), a cavity is formed in the swinging scraping plate (29), the top of the cavity is an open end, and the cavity is separated by a partition plate (32) to form a first cavity (31) and a second cavity (33); and the volume of the second cavity (33) is larger than the volume of the first cavity (31);
The bottom of the hinging rod (30) is connected with the upper end face of the horizontal section of the annular scraping plate (5), and the top of the hinging rod (30) is hinged with the bottom of the swinging scraping plate (29);
One end of the first elastic piece (36) is connected with the bottom of the first cavity (31), and a space is reserved between the other end of the first elastic piece (36) and the horizontal section of the annular scraping plate (5); one end of the second elastic piece (35) is connected with the bottom of the second cavity (33), and a space is reserved between the other end of the second elastic piece (35) and the horizontal section of the annular scraping plate (5).
8. A cleaning system for pressure vessels according to claim 5, wherein the end of the joint (21) connected to the hose (20) is provided with a sealing cap (26), the sealing cap (26) being provided in the tank (100), the sealing cap (26) being adapted to seal a through hole provided in the tank (100) for passing through the hose (20).
9. A cleaning system for pressure vessels according to claim 5, wherein the outer wall of the tank (100) is provided with a take-up and pay-off mechanism for taking up and paying-off the hose (20).
10. A cleaning method based on the cleaning system according to claim 2 or 3, characterized by comprising the steps of:
S1, soaking and cleaning: the controller controls to close the main drain valve (28) and the first liquid inlet valve (18), and open the main liquid inlet valve (15), the second liquid inlet valve (27) and the liquid inlet pump (16), so that the tank body (200) conveys cleaning liquid into the tank body (100), in the conveying process, the liquid level in the tank body (100) is collected in real time by the liquid level sensor, when the liquid level in the tank body (100) reaches a set upper limit value, the controller controls to close the liquid inlet pump (16) and open the timer, so that the cleaning liquid is stopped from being conveyed into the tank body (100), the timer starts to count, and when the soaking time reaches a set value, the controller controls to open the main drain valve (28), the first drain valve (10) and the liquid outlet pump (13), and close the main liquid inlet valve (15), the second liquid inlet valve (27) and the liquid inlet pump (16), so that the cleaning liquid in the tank body (100) is conveyed into the tank body (200);
S2, washing with a cleaning solution: in the process of conveying cleaning liquid into the tank body (200) by the tank body (100), acquiring the liquid level in the tank body (100) in real time by the liquid level sensor, when the liquid level in the tank body (100) reaches a set lower limit value, controlling to open the main liquid inlet valve (15), the liquid inlet pump (16) and the first liquid inlet valve (18) by the controller, keeping the second liquid inlet valve (27) and the water inlet valve (19) closed, at the moment, forming a circulation loop between the tank body (100) and the tank body (200), enabling the cleaning liquid in the tank body (200) to enter the spraying assembly through the hose (20), flushing the tank body (100) and the stirring mechanism (6) with the cleaning liquid by the spraying assembly, and controlling the second motor (23) to act by the controller in the flushing process, so that the transmission mechanism (22) drives the spraying assembly to move up and down in the tank body (100);
S3, flushing with clear water: when the washing of the washing liquid is finished, the controller controls to close a main liquid inlet valve (15), a liquid inlet pump (16), a first liquid inlet valve (18), a first drain valve (10) and a liquid discharge pump (13), the main drain valve (28) is kept open, meanwhile, the water inlet valve (19) is opened, at the moment, clean water enters the spraying assembly through the hose (20), the kettle body (100) and the stirring mechanism (6) are washed by clean water through the spraying assembly, and sewage washed by the clean water is discharged out of the kettle body (100) through the drain pipe (7); in the clear water flushing process, the controller controls the second motor (23) to act, so that the transmission mechanism (22) drives the spraying assembly to move up and down in the kettle body (100).
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| CN202410875152.XA CN118403863B (en) | 2024-07-02 | 2024-07-02 | Cleaning system and cleaning method for pressure container |
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| CN202410875152.XA CN118403863B (en) | 2024-07-02 | 2024-07-02 | Cleaning system and cleaning method for pressure container |
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Cited By (1)
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| CN118403863B (en) | 2024-09-20 |
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