CN112170409B - A container closed type automatic cleaning system and method - Google Patents
A container closed type automatic cleaning system and method Download PDFInfo
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- CN112170409B CN112170409B CN202011122932.5A CN202011122932A CN112170409B CN 112170409 B CN112170409 B CN 112170409B CN 202011122932 A CN202011122932 A CN 202011122932A CN 112170409 B CN112170409 B CN 112170409B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 238000003860 storage Methods 0.000 claims abstract description 133
- 239000007921 spray Substances 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000002955 isolation Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 47
- 239000007789 gas Substances 0.000 claims description 25
- 239000002912 waste gas Substances 0.000 claims description 13
- 230000003749 cleanliness Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 10
- 239000012495 reaction gas Substances 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000002699 waste material Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
本发明涉及一种容器密闭式自动清洗系统，其特征在于：包括安装在反应釜清洗口上的隔离阀，所述隔离阀上安装有清洗机构储存箱，清洗机构储存箱上安装有清洗单元；所述清洗单元包括伸缩电机、升降杆、上限位开关，下限位开关、三维喷头和用于提供高压清洗液的供水单元；所述伸缩电机驱动升降杆进行纵向升降，所述升降杆输出端依次穿过清洗机构储存箱和隔离阀后，穿入反应釜内部，升降杆端部安装有与所述供水单元连通的三维喷头；所述清洗机构储存箱上设置有喷杆密封导向腔。本发明实用性强，易于推广。
The present invention relates to a closed automatic cleaning system for a container, characterized in that: it comprises an isolation valve installed on the cleaning port of a reactor, a cleaning mechanism storage box is installed on the isolation valve, and a cleaning unit is installed on the cleaning mechanism storage box; the cleaning unit comprises a telescopic motor, a lifting rod, an upper limit switch, a lower limit switch, a three-dimensional spray head and a water supply unit for providing high-pressure cleaning liquid; the telescopic motor drives the lifting rod to lift and lower longitudinally, and the output end of the lifting rod passes through the cleaning mechanism storage box and the isolation valve in turn, and then penetrates into the reactor, and the end of the lifting rod is installed with a three-dimensional spray head connected to the water supply unit; the cleaning mechanism storage box is provided with a spray rod sealing guide cavity. The present invention has strong practicality and is easy to promote.
Description
Technical Field
The invention relates to the technical field of reaction kettle cleaning, in particular to a closed automatic cleaning system and a cleaning method thereof.
Background
The reaction kettle is a chemical reaction container in chemical production, and substances after reaction can be attached to the inner surface of the container in the reaction process, and the substances can influence the next reaction if not cleaned on the inner surface of the container. Therefore, after the reaction vessel is used, the substances adhering to the inner wall of the reaction vessel must be cleaned.
At present, the cleaning of the reaction kettles of chemical enterprises in China gradually develops to the automatic direction. In the automatic cleaning field of reaction kettles, the main stream is cleaning through a lifting positioning mechanism, an isolation valve is opened during cleaning, and the isolation valve is closed during reaction. However, most of the domestic containers have no closed cleaning function, namely the container is replaced by residual reaction gas before cleaning, the residual gas is recovered, and the cleaning mechanism extends into the container for cleaning after no reaction gas exists in the container through the operation. The method increases the replacement time before cleaning and the time for ensuring the qualified oxygen content by vacuumizing before the reaction starts, and greatly increases the time between each two reaction kettles. For this reason, a closed automatic cleaning device is designed, and the original automatic mechanism is optimized, so that the stability, reliability, cleaning life and reaction preparation time of the system are improved.
According to the prior art, the following technical problems exist:
1. The Chinese utility model (application number 201320001050.2, named as a chemical reaction kettle automatic cleaning device) and the Chinese utility model patent (application number 201520034033.8, named as an automatic cleaning reaction kettle) all propose solutions for automatic cleaning of the reaction kettle, but the automatic cleaning mechanism of the solutions can not realize airtight cleaning of the reaction kettle, and still needs deoxidization operation for the reaction kettle needing deoxidization before reaction.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a closed automatic cleaning system for a container and a cleaning method thereof.
The technical scheme is that the closed automatic cleaning system for the container is characterized by comprising an isolation valve arranged on a cleaning port of a reaction kettle, a cleaning mechanism storage box is arranged on the isolation valve, a cleaning unit is arranged on the cleaning mechanism storage box, the cleaning unit comprises a telescopic motor, a lifting rod, an upper limit switch, a lower limit switch, a three-dimensional spray head and a water supply unit for providing high-pressure cleaning liquid, the lifting rod is driven by the telescopic motor to longitudinally lift, the output end of the lifting rod penetrates into the reaction kettle after sequentially penetrating through the cleaning mechanism storage box and the isolation valve, a three-dimensional spray head communicated with the water supply unit is arranged at the end of the lifting rod, and a spray rod sealing guide cavity is arranged on the cleaning mechanism storage box.
The beneficial effects of the invention are as follows:
Through adopting closed installation with wiper mechanism, the telescopic link carries out the operation from top to bottom in sealed direction chamber to this avoids waste gas and waste liquid outwards to the effect of closed washing is realized, and the effectual container of having solved before traditional washing carries out the replacement to residual reaction gas, retrieves residual gas, guarantees through this operation that there is not the method that wiper mechanism just stretches into container abluent after the reaction gas in the container, and the time that the oxygen content was qualified is ensured in the evacuation before the time of having increased the washing and the reaction begins that causes has greatly increased the problem of the time between each cauldron reaction of reation kettle, with the effect saving cleaning time who reaches synchronous abluent.
The automatic cleaning device comprises a cleaning mechanism storage box, a cleaning mechanism and a spray rod self-cleaning unit, and is characterized by further comprising a spray rod self-cleaning unit for cleaning the spray rod, wherein the spray rod self-cleaning unit comprises a self-cleaning spray head self-cleaning pipe, a self-cleaning water inlet automatic valve, an automatic pipeline cleaning pressure sensor front end valve and a self-cleaning water inlet manual valve, the input end of the self-cleaning pipe is communicated with a water supply unit, the self-cleaning water inlet automatic valve and the self-cleaning water inlet manual valve are both arranged on the self-cleaning pipe, the output end of the self-cleaning pipe uniformly penetrates into the cleaning mechanism storage box along the circumferential direction of the cleaning mechanism storage box through a plurality of self-cleaning branch pipes, the self-cleaning pipe is provided with a detection branch pipe, and the automatic pipeline cleaning pressure sensor front end valve are arranged on the detection branch pipes.
The beneficial effects of the invention are as follows:
Through being provided with the self-cleaning unit of spray lance, when such setting can be with spray lance cleaning reaction kettle, the waste liquid that is stained with carries out carrying out effectual washing under sealed environment to avoid the spray lance long-term use to remain the reaction liquid, when arousing the preparation next time, produce relevant chemical reaction, influence reaction purity's phenomenon, with this cleaning device's cleaning capability and scientificalness of improvement.
Furthermore, the sealing guide cavity is provided with a cleaning spray rod piston sealing piece, and the spray rod piston piece comprises an upper sealing ring and a lower sealing ring which are sleeved on lifting rods at the upper end and the lower end of the storage box of the cleaning mechanism.
Furthermore, the guide sealing cavity is also provided with a water seal, and the water seal is arranged on the periphery of the lifting rod and is provided with a sealing ring water seal water outlet and a sealing water seal water inlet which are communicated with the outside.
Furthermore, the storage and replacement unit is arranged on the guide sealing cavity and comprises a water seal isolation module for sealing the container through pressure difference and an exhaust gas replacement module for sealing through deoxidizing water absorbing gas.
The water seal isolation module comprises a water seal water source, a sealing cavity water inlet pipe, a sealing cavity water inlet pressure sensor front end valve, a sealing cavity water inlet pneumatic valve, a sealing cavity water inlet manual valve, a sealing cavity outlet valve, a storage cavity blow-down pipe manual valve, a storage cavity water outlet replacement pipe pneumatic valve, a storage cavity blow-down pipe pressure gauge, a storage cavity blow-down pipe pressure sensor, a storage cavity blow-down pipe pressure gauge front end valve and a sealing cavity outlet drain pipe, wherein the two ends of the sealing cavity water inlet pipe are respectively communicated with the water seal water source, the sealing cavity water inlet pressure sensor front end valve, the sealing cavity water inlet pneumatic valve and the sealing cavity water inlet manual valve are sequentially arranged on the sealing cavity water inlet pipe, one section of the sealing cavity outlet drain pipe is communicated with a sealing water outlet, the other end of the sealing cavity blow-down pipe is communicated with the storage cavity blow-down pipe, the storage cavity blow-down pipe is sequentially provided with the storage cavity blow-down pipe pressure sensor, the storage cavity blow-down pipe pressure gauge, the storage cavity blow-down pipe front end valve, the storage cavity blow-down pipe pressure gauge, the storage cavity water outlet pneumatic valve and the storage cavity air valve are sequentially arranged along the water flow direction, and a storage cavity air level output valve is also provided with a storage cavity air valve.
The waste gas replacement module comprises a storage cavity water inlet pipe, a storage cavity water inlet source, a storage cavity water inlet replacement pneumatic valve, a storage cavity water inlet replacement manual valve and a storage cavity water inlet manual valve in a normally open state, wherein two ends of the storage cavity water inlet pipe are respectively communicated with the storage cavity water inlet source and a cleaning mechanism storage box, the storage cavity water inlet replacement pneumatic valve, the storage cavity water inlet replacement manual valve and the storage cavity water inlet manual valve in the normally open state are all arranged on the storage cavity water inlet pipe, and the cleaning mechanism storage box is communicated with a storage cavity blow-down pipe through an output pipeline.
Compared with the prior art, the invention has the beneficial effects that:
Through being provided with piston bearing seal and water seal, the gaseous running out of reation kettle inside can be avoided in this kind of setting, influences and causes waste gas and even poisonous gas to leak to clear away the waste gas that remains in the pipeline after the washing structure, can further avoid the phenomenon that waste gas leaked.
In addition, the invention also discloses an automatic cleaning method of the closed automatic cleaning system of the container, which is characterized by comprising the following steps:
S1, before starting cleaning, keeping the isolation valve closed, controlling the operation of the replacement unit, and after removing air in the storage cavity, ending the operation of the replacement unit;
s2, after the replacement unit works, opening an isolation valve, and controlling the three-dimensional spray head to lift through a telescopic motor so as to realize fixed-point cleaning of the three-dimensional spray head in the reaction kettle;
S3, in the cleaning process, inputting quantitative water into the spray rod sealing guide cavity through the water seal isolation module, so that the sealing pressure of the water discharged from the shaft seal is always 0.03-0.05mpa higher than the pressure of the storage cavity, and realizing water seal;
And S4, after the reaction kettle is cleaned, the telescopic motor controls the three-dimensional spray head to reset, and the isolation valve is closed.
Further, in the cleaning process, the spray rod is installed from the cleaning nozzle through the storage cavity in the lifting process, and the telescopic spray rod is cleaned, so that the cleanliness of the spray rod is ensured.
Further, in the cleaning process, the isolation valve is opened, gas in the container enters the storage cavity, and in order to ensure that the gas remained in the storage cavity can not leak after the cleaning is finished, the gas in the storage cavity is emptied by introducing deoxygenated water after the isolation valve is closed.
Compared with the prior art, the invention has the beneficial effects that:
1. Through adopting closed installation with wiper mechanism, the telescopic link carries out the operation from top to bottom in sealed direction chamber to this avoids waste gas and waste liquid outwards to the effect of closed washing is realized, and the container is carried out the replacement to residual reaction gas before the effectual traditional washing of having solved, retrieves residual gas, guarantees through this operation that there is not reaction gas in the container after the wiper mechanism stretches into container abluent method, and the time that the oxygen content was qualified is ensured in the evacuation before the time of having increased the replacement time before the washing and the reaction begins that causes has greatly increased the problem of the time between each cauldron reaction of reation kettle, has reached synchronous abluent effect and has practiced thrift the washing time.
2. Through carrying out airtight washing to the spray lance, can avoid the residual liquid on the spray lance to bring into reation kettle when reation kettle uses next time, improve the quality of finished product.
3. The problem that the residual gas in the interior leaks and affects the next preparation can be avoided by the replacement mode, so that the cleaning effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a cleaning unit;
FIG. 2 is a schematic diagram of a self-cleaning unit;
FIG. 3 is a schematic diagram of a storage replacement unit;
Fig. 4 is a schematic structural view of the sealing unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, the invention discloses a closed automatic cleaning system for a container, which comprises an isolation valve arranged on a cleaning port of a reaction kettle, wherein a cleaning mechanism storage box 13 is arranged on the isolation valve, a cleaning unit is arranged on the cleaning mechanism storage box 13, the cleaning unit comprises a telescopic motor 42, a lifting rod 400, an upper limit switch 43, a lower limit switch 44, a three-dimensional spray head 39 and a water supply unit for providing high-pressure cleaning liquid, the telescopic motor 42 drives the lifting rod 400 to longitudinally lift, the output end of the lifting rod 400 sequentially penetrates through the cleaning mechanism storage box 13 and the isolation valve and then penetrates into the reaction kettle, the end part of the lifting rod 400 is provided with the three-dimensional spray head 39 communicated with the water supply unit, and the cleaning mechanism storage box 13 is provided with a spray rod sealing guide cavity 12.
The bottom of the reaction kettle is provided with a waste liquid automatic cut-off valve 40 for realizing the automatic opening and closing of the waste liquid.
The beneficial effects of the invention are as follows:
Through adopting closed installation with wiper mechanism, the telescopic link carries out the operation from top to bottom in sealed direction chamber to this avoids waste gas and waste liquid outwards to the effect of closed washing is realized, and the effectual container of having solved before traditional washing carries out the replacement to residual reaction gas, retrieves residual gas, guarantees through this operation that there is not the method that wiper mechanism just stretches into container abluent after the reaction gas in the container, and the time that the oxygen content was qualified is ensured in the evacuation before the time of having increased the washing and the reaction begins that causes has greatly increased the problem of the time between each cauldron reaction of reation kettle, with the effect saving cleaning time who reaches synchronous abluent.
During the use process, the cleaning mechanism controls the telescopic positioning through a motor, and the upper limit switch and the lower limit switch control the limit positions of the two ends of the telescopic mechanism;
The three-dimensional spray head is arranged at the cleaning mechanism and moves up and down along with the cleaning mechanism, a high-pressure hose is connected to the water inlet pipe of the three-dimensional spray head and is communicated with the water supply unit through the high-pressure hose with a telescopic function, and a water source in the water supply unit is pressurized by the high-pressure pump and then is conveyed into the cleaning mechanism through the high-pressure hose, so that the cleaning of materials is realized;
further, the three-dimensional spray head is lifted by a telescopic rod, the telescopic rod realizes the sealing function of the piston by a guiding sealing cavity,
Example 2 differs from example 1 in that
As shown in fig. 2, in the specific embodiment of the invention, the automatic spray rod cleaning device further comprises a spray rod self-cleaning unit for cleaning the spray rod, wherein the spray rod self-cleaning unit comprises a self-cleaning spray head self-cleaning pipe 31, a self-cleaning water inlet automatic valve 32, an automatic cleaning pipeline pressure sensor 33, an automatic cleaning pipeline pressure sensor front end valve 34 and a self-cleaning water inlet manual valve 35, the input end of the self-cleaning pipe 31 is communicated with a water supply unit, the self-cleaning water inlet automatic valve 32 and the self-cleaning water inlet manual valve 35 are both arranged on the self-cleaning pipe 31, the output end of the self-cleaning pipe 31 penetrates into the cleaning mechanism storage box 13 along the periphery Xiang Junyun of the cleaning mechanism storage box 13 through a plurality of self-cleaning branch pipes, the self-cleaning pipe 31 is provided with a detection branch pipe, and the automatic cleaning pipeline pressure sensor 33 and the automatic cleaning pipeline pressure sensor front end valve 34 are arranged on the detection branch pipe.
The beneficial effects of the invention are as follows:
Through being provided with the self-cleaning unit of spray lance, when such setting can be with spray lance cleaning reaction kettle, the waste liquid that is stained with carries out carrying out effectual washing under sealed environment to avoid the spray lance long-term use to remain the reaction liquid, when arousing the preparation next time, produce relevant chemical reaction, influence reaction purity's phenomenon, with this cleaning device's cleaning capability and scientificalness of improvement.
It is to be noted that, the spray lance keeps the manual valve of intaking of self-cleaning normally open at the lift in-process for manual cutting off the return circuit, the automatic valve of intaking of self-cleaning opens, and automatic wash pipeline pressure sensor front end valve opens, detects self-cleaning pipeline pressure through automatic wash pipeline pressure sensor, and control washs water pressure, and the storage chamber is installed and is washd the shower nozzle certainly, washs the telescopic spray lance, realizes that the automation washs the spray lance.
Example 3 differs from examples 1 or 2 in that
In the specific embodiment of the invention, as shown in fig. 3-4, a cleaning spray rod piston sealing member is arranged on the sealing guide cavity, and the spray rod piston member comprises an upper sealing ring and a lower sealing ring which are sleeved on lifting rods at the upper end and the lower end of a storage box of the cleaning mechanism.
In the specific embodiment of the invention, the guide sealing cavity is also provided with a water seal, and the water seal is arranged on the periphery of the lifting rod and is provided with a sealing ring water seal water outlet and a sealing water seal water inlet which are communicated with the outside.
In the specific embodiment of the invention, the storage and replacement unit is arranged on the guide sealing cavity and comprises a water seal isolation module for sealing the container through pressure difference and an exhaust gas replacement module for sealing through deoxidizing water absorbing gas.
In the specific embodiment of the invention, the water seal isolation module is provided with a water seal water source 25, a seal cavity water inlet pipe 20, a seal cavity water inlet pressure sensor 14, a seal cavity water inlet pressure sensor front end valve 15, a seal cavity water inlet pneumatic valve 18, a seal cavity water inlet manual valve 19, a seal cavity outlet valve 10, a storage cavity blow-down pipe 9, a storage cavity blow-down pipe manual valve 2, a storage cavity water outlet replacement pipe pneumatic valve 3, a storage cavity blow-down pipe pressure gauge 5, a storage cavity blow-down pipe pressure sensor 6, a storage cavity blow-down pipe pressure gauge front end valve 7 and a seal cavity outlet blow-down pipe 8 which are provided with a metering function, wherein two ends of the seal cavity water inlet pipe 20 are respectively communicated with the water seal water source 25, the seal cavity water inlet pressure sensor 14, the seal cavity water inlet pressure sensor front end valve 15, the seal cavity water inlet pneumatic valve 18 and the seal cavity water inlet manual valve 19 are sequentially arranged on the seal cavity water inlet pipe 20, one section of the seal cavity outlet blow-down pipe 8 is communicated with a seal water outlet, the other end of the seal cavity blow-down pipe 9 is communicated with the storage cavity blow-down pipe 9, the storage cavity blow-down pipe 9 is sequentially arranged along the water flow direction, the storage cavity blow-down pipe pressure gauge 5, the storage cavity blow-down pipe pressure gauge 1 is further provided with the storage cavity pressure gauge 1, the storage cavity blow-down pipe pressure valve 1 is sequentially arranged, and the storage cavity pressure gauge 1 is provided with the storage cavity blow-down pipe pressure valve 1.
In the specific embodiment of the invention, the waste gas replacement module comprises a storage cavity water inlet pipe 21, a storage cavity water inlet source 23, a storage cavity water inlet replacement pneumatic valve 16, a storage cavity water inlet replacement manual valve 17 and a storage cavity water inlet manual valve 22 in a normally open state, wherein two ends of the storage cavity water inlet pipe 21 are respectively communicated with the storage cavity water inlet source 23 and a cleaning mechanism storage tank, the storage cavity water inlet replacement pneumatic valve 16, the storage cavity water inlet replacement manual valve 17 and the storage cavity water inlet manual valve 22 in the normally open state are all arranged on the storage cavity water inlet pipe 21, and the cleaning mechanism storage tank is communicated with the storage cavity blow-down pipe 9 through an output pipeline.
Compared with the prior art, the invention has the beneficial effects that:
Through being provided with piston bearing seal and water seal, the gaseous running out of reation kettle inside can be avoided in this kind of setting, influences and causes waste gas and even poisonous gas to leak to clear away the waste gas that remains in the pipeline after the washing structure, can further avoid the phenomenon that waste gas leaked.
The pressure sensor of the storage cavity pipeline is used for detecting the pressure of the storage cavity, the pressure sensor of the water inlet of the guide sealing cavity is used for detecting the pressure of the water seal, the pressure sensors at two sides are compared, and the plc control system is used for controlling the metering pump to inject quantitative water into the kettle, so that the sealing pressure of the water seal outlet pressure is always higher than the pressure of the storage cavity by 0.03-0.05mpa, and the reliability of the water seal is ensured. Wherein the seal cavity outlet valve 10 is kept normally closed, the seal cavity water inlet pressure sensor front end valve 15, the seal cavity water inlet manual valve 19 is normally opened, and the seal cavity water inlet pneumatic valve 18 and the seal cavity water inlet metering pump 24 are kept open under the telescopic condition.
In addition, in the cleaning stage, the isolation valve is opened, gas in the container enters the storage cavity, and in order to ensure that the gas remained in the storage cavity can not leak after the cleaning is finished, the gas in the storage cavity is emptied by introducing deoxygenated water after the isolation valve is closed. The operation is that the storage cavity water inlet replacement pneumatic valve 16 is opened, the storage cavity water outlet replacement pipe pneumatic valve 3, the storage cavity blow-down pipe manual valve 2, the storage cavity blow-down pipe pressure gauge front end valve 7, the storage cavity water inlet replacement manual valve 17 is a normally open valve, after a certain time, whether the liquid level switch 1 has a liquid level is detected, after a signal is given, the storage cavity water inlet replacement pneumatic valve 16 is closed, and the storage cavity water outlet replacement pipe pneumatic valve 3 is closed, and at the moment, the replacement is finished.
Example 4
In addition, the invention also discloses an automatic cleaning method of the closed automatic cleaning system of the container, which is characterized by comprising the following steps:
S1, before starting cleaning, keeping the isolation valve closed, controlling the operation of the replacement unit, and after removing air in the storage cavity, ending the operation of the replacement unit;
s2, after the replacement unit works, opening an isolation valve, and controlling the three-dimensional spray head to lift through a telescopic motor so as to realize fixed-point cleaning of the three-dimensional spray head in the reaction kettle;
S3, in the cleaning process, inputting quantitative water into the spray rod sealing guide cavity through the water seal isolation module, so that the sealing pressure of the water discharged from the shaft seal is always 0.03-0.05mpa higher than the pressure of the storage cavity, and realizing water seal;
And S4, after the reaction kettle is cleaned, the telescopic motor controls the three-dimensional spray head to reset, and the isolation valve is closed.
Further, in the cleaning process, the spray rod is installed from the cleaning nozzle through the storage cavity in the lifting process, and the telescopic spray rod is cleaned, so that the cleanliness of the spray rod is ensured.
Further, in the cleaning process, the isolation valve is opened, gas in the container enters the storage cavity, and in order to ensure that the gas remained in the storage cavity can not leak after the cleaning is finished, the gas in the storage cavity is emptied by introducing deoxygenated water after the isolation valve is closed.
Compared with the prior art, the invention has the beneficial effects that:
1. Through adopting closed installation with wiper mechanism, the telescopic link carries out the operation from top to bottom in sealed direction chamber to this avoids waste gas and waste liquid outwards to the effect of closed washing is realized, and the container is carried out the replacement to residual reaction gas before the effectual traditional washing of having solved, retrieves residual gas, guarantees through this operation that there is not reaction gas in the container after the wiper mechanism stretches into container abluent method, and the time that the oxygen content was qualified is ensured in the evacuation before the time of having increased the replacement time before the washing and the reaction begins that causes has greatly increased the problem of the time between each cauldron reaction of reation kettle, has reached synchronous abluent effect and has practiced thrift the washing time.
2. Through carrying out airtight washing to the spray lance, can avoid the residual liquid on the spray lance to bring into reation kettle when reation kettle uses next time, improve the quality of finished product.
3. The problem that the residual gas in the interior leaks and affects the next preparation can be avoided by the replacement mode, so that the cleaning effect is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The closed automatic cleaning system for the container is characterized by comprising an isolation valve arranged on a cleaning port of a reaction kettle, wherein a cleaning mechanism storage box is arranged on the isolation valve, and a cleaning unit is arranged on the cleaning mechanism storage box; the cleaning unit comprises a telescopic motor, a lifting rod, an upper limit switch, a lower limit switch, a three-dimensional spray head and a water supply unit for providing high-pressure cleaning liquid, wherein the telescopic motor drives the lifting rod to longitudinally lift, and the output end of the lifting rod penetrates into the reaction kettle after sequentially penetrating through a cleaning mechanism storage box and an isolating valve;
The spray rod self-cleaning unit is used for cleaning the spray rod; the automatic self-cleaning device comprises a spray rod self-cleaning unit, a self-cleaning spray head self-cleaning pipe, a self-cleaning water inlet automatic valve, an automatic pipeline cleaning pressure sensor front end valve and a self-cleaning water inlet manual valve, wherein the input end of the self-cleaning pipe is communicated with a water supply unit;
The piston comprises an upper sealing ring and a lower sealing ring which are sleeved on lifting rods at the upper end and the lower end of a storage box of the cleaning mechanism;
The sealing guide cavity is also provided with a water seal, and the water seal is arranged on the periphery of the lifting rod and is provided with a sealing ring water seal water outlet and a sealing water seal water inlet which are communicated with the outside;
The storage and replacement unit comprises a water seal isolation module for realizing the sealing of the container through pressure difference and an exhaust gas replacement module for realizing the sealing through absorbing gas by deoxidized water;
The water seal isolation module is provided with a water seal water source, a sealing cavity water inlet pipe, a sealing cavity water inlet pressure sensor front end valve, a sealing cavity water inlet pneumatic valve, a sealing cavity water inlet manual valve, a sealing cavity outlet valve, a storage cavity blow-down pipe manual valve, a storage cavity water outlet displacement pipe pneumatic valve, a storage cavity blow-down pipe pressure gauge, a storage cavity blow-down pipe pressure sensor, a storage cavity blow-down pipe pressure gauge front end valve and a sealing cavity outlet liquid discharge pipe which are all provided with metering functions, wherein the two ends of the sealing cavity water inlet pipe are respectively communicated with a water seal water source;
The waste gas replacement module comprises a storage cavity water inlet pipe, a storage cavity water inlet source, a storage cavity water inlet replacement pneumatic valve, a storage cavity water inlet replacement manual valve and a storage cavity water inlet manual valve in a normally open state, wherein two ends of the storage cavity water inlet pipe are respectively communicated with the storage cavity water inlet source and a cleaning mechanism storage tank, the storage cavity water inlet replacement pneumatic valve, the storage cavity water inlet replacement manual valve and the storage cavity water inlet manual valve in the normally open state are all arranged on the storage cavity water inlet pipe, and the cleaning mechanism storage tank is communicated with a storage cavity blow-down pipe through an output pipeline.
2. An automatic cleaning method suitable for the closed automatic cleaning system of a container as claimed in claim 1, characterized by comprising the steps of:
S1, before starting cleaning, keeping the isolation valve closed, controlling the operation of the replacement unit, and after removing air in the storage cavity, ending the operation of the replacement unit;
S2, after the replacement unit works, opening an isolation valve, and controlling the three-dimensional spray head to lift through a telescopic motor to realize fixed-point cleaning of the three-dimensional spray head in the reaction kettle;
S3, in the cleaning process, inputting quantitative water into the spray rod sealing guide cavity through the water seal isolation module, so that the sealing pressure of the water discharged from the shaft seal is always 0.03-0.05mpa higher than the pressure of the storage cavity, and realizing water seal;
And S4, after the reaction kettle is cleaned, the telescopic motor controls the three-dimensional spray head to reset, and the isolation valve is closed.
3. The method for automatically cleaning a closed-type automatic cleaning system for containers according to claim 2, wherein the spray bar is installed with the self-cleaning spray head through the storage chamber during lifting and lowering during cleaning, and the telescopic spray bar is cleaned to ensure the cleanliness of the spray bar.
4. The method of automatic cleaning a closed container type automatic cleaning system according to claim 3, wherein the deaerating water is introduced to empty the gas in the storage chamber after the end of cleaning and the closing of the isolation valve.
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| CN114011819A (en) * | 2021-12-06 | 2022-02-08 | 德清同尘射流技术有限公司 | Hard rod reaction kettle cleaning device with self-cleaning function |
| CN120820208B (en) * | 2025-09-18 | 2025-11-25 | 中国水利水电第五工程局有限公司 | Tunnel construction monitoring device based on three-dimensional scanning |
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| CN108906816A (en) * | 2018-08-09 | 2018-11-30 | 浙江巨化装备制造有限公司 | One kind being used for petrochemical industry reaction kettle automatic flushing device and its cleaning method |
| CN214078312U (en) * | 2020-10-20 | 2021-08-31 | 浙江巨化装备工程集团有限公司 | Container closed type automatic cleaning system |
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| GB2364235B (en) * | 2000-07-01 | 2003-04-30 | Dbi | On-line pressurised vessel cleaning apparatus |
| CN207271229U (en) * | 2017-08-31 | 2018-04-27 | 杭州富阳凯尔化工有限公司 | A kind of reaction kettle with cleaning device |
| CN207254294U (en) * | 2017-09-29 | 2018-04-20 | 福州市承亨建材有限公司 | The convenient cleaning reaction kettle of one kind |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108906816A (en) * | 2018-08-09 | 2018-11-30 | 浙江巨化装备制造有限公司 | One kind being used for petrochemical industry reaction kettle automatic flushing device and its cleaning method |
| CN214078312U (en) * | 2020-10-20 | 2021-08-31 | 浙江巨化装备工程集团有限公司 | Container closed type automatic cleaning system |
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