CN114890003A - Integrated active explosion-proof refrigerated and frozen container and control method - Google Patents

Integrated active explosion-proof refrigerated and frozen container and control method Download PDF

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Publication number
CN114890003A
CN114890003A CN202210745456.5A CN202210745456A CN114890003A CN 114890003 A CN114890003 A CN 114890003A CN 202210745456 A CN202210745456 A CN 202210745456A CN 114890003 A CN114890003 A CN 114890003A
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CN
China
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dangerous goods
low
storage
temperature
vacuum
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CN202210745456.5A
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Chinese (zh)
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罗彦
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/12—Supports
    • B65D90/18—Castors, rolls, or the like; e.g. detachable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
    • B65D90/51—Arrangements of indicating or measuring devices of leakage-indicating devices characterised by sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The invention relates to the technical field of dangerous goods transportation and storage equipment, and discloses an integrated active explosion-proof refrigerated and frozen container and a control method thereof, wherein the container comprises a heat insulation box body, a cooling system and a dangerous goods storage sealing tank, the cooling system comprises a condensing unit arranged outside the heat insulation box body and an evaporating unit arranged in the heat insulation box body, the condensing unit is connected with the evaporating unit through a pipeline, the dangerous goods storage sealing tank is positioned in the heat insulation box body, a vacuum pump is arranged outside the heat insulation box body, the air suction end of the vacuum pump is connected with the dangerous goods storage sealing tank through a first pipeline, an electric control vacuum valve is arranged on the first pipeline, and a first combustible gas sensor is arranged on the exhaust pipeline of the vacuum pump; the integrated active explosion-proof refrigerated and frozen container and the control method thereof provided by the invention solve the problems of low storage safety, low reliability and high cost of the existing dangerous goods.

Description

Integrated active explosion-proof refrigerated and frozen container and control method
Technical Field
The invention relates to the technical field of dangerous goods transportation and storage equipment, in particular to an integrated active explosion-proof refrigerated and frozen container and a control method.
Background
As is well known, the explosion condition of industrial hazardous articles consists of three elements, namely combustible hazardous articles, air and an ignition source, and the explosion-proof technology of the conventional industrial hazardous articles controls the ignition source to achieve the aim of explosion prevention under the condition that the hazardous articles and the air generate an explosion environment, and is actually a passive explosion-proof technical measure under the generated explosion environment.
The explosion-proof refrigerated freezing container is special equipment which cannot be replaced in the process of storage and transportation of dangerous goods, and the space in the box body is in a long-time closed state and is not ventilated in the process of storage and transportation of the explosion-proof refrigerated freezing container. Once the dangerous goods package is damaged and leaked, the dangerous goods package and the air in the container are extremely easy to be mixed into an explosive gas environment and exist for a long time, so that the requirement on the explosion-proof performance of the internal explosion-proof electrical equipment of the explosion-proof refrigerated container is high, and the explosion-proof electrical equipment which is suitable for the 1-zone or even 0-zone dangerous zone and has high explosion-proof performance requirement is generally required to be adopted. The problems that the manufacturing cost of the explosion-proof refrigerated container is high, the selectivity of explosion-proof electrical equipment and an explosion-proof technical scheme is low, the storage safety and reliability of dangerous goods are low, and the popularization and the use are difficult are directly caused. Therefore, a dangerous article storage safety and high reliability are urgently needed, and meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigerated container only needs to adopt the explosion-proof electrical equipment suitable for the requirement of the 2-region dangerous region, so that the manufacturing cost is reduced, and the integrated active explosion-proof refrigerated container is convenient to popularize and use.
Disclosure of Invention
The invention aims to provide an integrated active explosion-proof refrigerated freezing container and a control method thereof, which are used for solving at least one of the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an integrated explosion-proof cold-stored freezing container of initiative, stores the seal pot including insulation box, cooling system and hazardous articles, insulation box is formed by the heated board preparation, cooling system is including setting up the condensing unit outside insulation box and setting up the evaporation plant in insulation box, the condensing unit passes through the pipeline and is connected with the evaporation plant, hazardous articles store the seal pot and are located insulation box, insulation box is equipped with the vacuum pump outward, the end of breathing in of vacuum pump is connected with hazardous articles storage seal pot through first pipeline, be equipped with automatically controlled vacuum valve on the first pipeline, be equipped with a combustible gas sensor on the exhaust duct of vacuum pump.
Among this technical scheme, cooling system provides cold volume for the insulation can is internal, hazardous articles storage seal jar is used for depositing hazardous articles, through the vacuum pump, first pipeline, the setting of automatically controlled vacuum valve and first combustible gas sensor, can make this device have hazardous articles vacuum leak hunting mode and hazardous articles vacuum safety storage mode, wherein, hazardous articles vacuum leak hunting mode, promptly through setting up the vacuum pump outside the insulation can, start the vacuum pump, open automatically controlled vacuum valve and to the evacuation in the hazardous articles storage seal jar, simultaneously, whether there is combustible gas to escape through first combustible gas sensor detection, can confirm whether there is damaged leakage in the packing of hazardous articles in the hazardous articles storage seal jar, this process is also exactly the vacuum leak hunting mode of hazardous articles. And after the detection is finished, closing the electric control vacuum valve and the vacuum pump to enter a dangerous goods vacuum safe storage mode. The dangerous goods vacuum safe storage mode isolates the dangerous goods from contacting with the air, an active explosion-proof technology for preventing formation of an explosive environment is provided, compared with the existing formed explosive environment, the passive explosion-proof technology by using a method for controlling an ignition source has obvious difference, the technical scheme mainly adopts the air in three elements of active isolation explosion, so that the dangerous goods and the air cannot be mixed into the explosive environment, the explosive environment is actively prevented from being generated, the safety and the reliability are high, and meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigeration container only needs to adopt the explosion-proof electrical equipment which is suitable for the requirements of the danger area of 2, thereby reducing the manufacturing cost and being easy to popularize and use.
Further, in order to make this device have low temperature passivation liquid safe storage mode to further promote security and the reliability that this device used, be equipped with low temperature passivation liquid bin in the insulation box, be equipped with evaporating coil in the low temperature passivation liquid bin, evaporating coil and condensing unit's condensing coil intercommunication, evaporating coil cools down for the passivation liquid of storing in the low temperature passivation liquid bin, low temperature passivation liquid bin stores the seal pot intercommunication through second pipeline and hazardous articles, can store the seal pot for hazardous articles and fill into low temperature passivation liquid, is full of low temperature passivation liquid until in the low temperature passivation liquid bin, then gets into low temperature passivation liquid safe storage mode. It should be noted that a third temperature sensor is arranged in the low-temperature passivation solution storage tank and used for regulating and controlling the temperature of the passivation solution.
The low-temperature passivation solution safe storage mode can also isolate dangerous goods from contacting with air, an active explosion-proof technology for preventing formation of an explosive environment is provided, and the technology is obviously different from the existing technology for forming an explosive environment and passively preventing explosion by using a method for controlling an ignition source.
Further, in order to make low temperature passivation liquid can flow into the hazardous articles storage seal jar through the pipeline is automatic under the action of gravity, low temperature passivation liquid bin is located the top of hazardous articles storage seal jar, be equipped with automatically controlled liquid valve on the second pipeline, then when needing to get into low temperature passivation liquid safe storage mode, open the automatically controlled liquid valve on the second pipeline can.
Further, in order to fill into low temperature passivation liquid in storing the seal can to the hazardous articles through the second pipeline, can also discharge low temperature passivation liquid simultaneously, still include drawing liquid pump and automatically controlled two-position three-way valve, the first end and the low temperature passivation liquid bin intercommunication of automatically controlled two-position three-way valve, the second end of automatically controlled two-position three-way valve communicates with the feed liquor end of drawing liquid pump, the play liquid end of drawing liquid pump passes through fluid-discharge tube and low temperature passivation liquid bin intercommunication, the third end of automatically controlled two-position three-way valve passes through second pipeline and hazardous articles storage seal can intercommunication.
When the low temperature passivation liquid in the hazardous articles storage sealing jar needs to be discharged, the liquid outlet of automatically controlled two-position three-way valve feeds through with the feed liquor pipe of drawing liquid pump, and the low temperature passivation liquid in the hazardous articles storage sealing jar is sucked out through the second pipeline, returns low temperature passivation liquid bin through the fluid-discharge tube of drawing liquid pump.
Further, in order to make this device have low temperature inert gas safe storage mode to further promote security and the reliability that this device used, be equipped with the low temperature inert gas steel bottle in the insulation box, be equipped with the relief pressure valve on the low temperature inert gas steel bottle, the low temperature inert gas steel bottle passes through third pipeline and hazardous articles storage seal pot intercommunication, be equipped with automatically controlled pneumatic valve on the third pipeline.
The dangerous goods storage sealing tank can be filled with low-temperature inert gas by regulating and controlling the electric control gas valve, and the dangerous goods storage sealing tank enters a low-temperature inert gas safe storage mode.
The low-temperature inert gas safe storage mode can also isolate dangerous goods from contacting with air, an active explosion-proof technology for preventing formation of an explosive environment is also provided, and the technology is obviously different from the existing technology for forming an explosive environment and passively preventing explosion by using a method for controlling an ignition source.
Further, in order to improve the safety and reliability of the use of the hazardous article storage sealed tank, a pressure sensor, a first temperature sensor, a pressure safety valve, an air release valve and/or a liquid discharge valve are arranged on the hazardous article storage sealed tank.
The dangerous goods storage sealed tank is a basic sealed tank consisting of a sealed tank body made of 316L stainless steel and a sealed tank cover; pressure sensor and first temperature sensor real-time inspection hazardous articles store up pressure and temperature in the sealed jar, provide main regulation and control parameter for installing the intelligent control ware on the insulation box body. Pressure relief valve, release valve and tapping valve all open in good time according to the condition that the sealed jar was stored to the hazardous articles to promote the security that the sealed jar was stored to the hazardous articles used.
It should be noted that, in order to move the hazardous article storage sealed tank, a traveling wheel is arranged below the hazardous article storage sealed tank.
Further, a second temperature sensor and a second combustible gas sensor are arranged in the heat insulation box body.
Preferably, the second combustible gas sensors are arranged in the box body up and down, so that leakage of dangerous goods with different specific gravities can be detected in case of an accident, and an alarm is given through an intelligent controller arranged on the heat preservation box body.
Furthermore, an emergency battery is arranged outside the box body, and a power supply of equipment except the refrigerating system is provided for safety during accidental power failure.
Furthermore, the heat preservation box body comprises a heat preservation sealing door, a movable bottom plate capable of moving to the outside of the heat preservation box body along the inner bottom wall of the heat preservation box body is arranged in the heat preservation box body, and the dangerous goods storage sealing tank is located on the movable bottom plate. A movable bottom plate is arranged in the heat insulation box body, and the movable bottom plate can be moved out of the heat insulation box body, so that goods can be loaded and unloaded conveniently. The driving mechanism of the moving bottom plate can be a transmission structure with a linear driving function, such as screw rod driving, hydraulic cylinder driving, air cylinder driving, electric push rod driving and the like, and can be combined with the driving device.
Further, for the convenience of loading and unloading operation, the pipeline of avoiding being connected with hazardous articles storage seal pot causes inconvenience to the removal of hazardous articles storage seal pot, the internal pipeline moving guide that is equipped with of insulation can, pipeline moving guide is located the top of hazardous articles storage seal pot, sliding connection has the pipeline fixed pulley on the pipeline moving guide, the pipeline that pipeline fixed pulley is used for fixed and hazardous articles storage seal pot to be connected. The pipeline fixing pulley can drive the pipeline to move along the pipeline moving guide rail, and the pipeline can follow the movement of the dangerous goods storage sealing tank, so that the loading and unloading operation of the dangerous goods storage sealing tank is facilitated.
Furthermore, in order to enable the device to have a low-temperature inert gas safe storage mode, so that the use safety and reliability of the device are further improved, a low-temperature inert gas steel cylinder is arranged in the heat preservation box body, a pressure reducing valve is arranged on the low-temperature inert gas steel cylinder, the low-temperature inert gas steel cylinder is communicated with a dangerous article storage sealed tank through a third pipeline, and an electric control gas valve is arranged on the third pipeline;
in order to facilitate comparison of input dangerous article storage parameters, an intelligent controller and an alarm device are installed on the heat preservation box body, a dangerous article safety technical specification module is arranged in the intelligent controller, and the dangerous article safety technical specification module comprises a first dangerous article storage parameter, a second dangerous article storage parameter, a third dangerous article storage parameter, a fourth dangerous article storage parameter, a fifth dangerous article storage parameter, a sixth dangerous article storage parameter and a seventh dangerous article storage parameter.
The invention also provides a control method for the integrated active explosion-proof refrigerated freezing container, which comprises the following steps:
inputting storage parameters of dangerous goods;
judging whether the input dangerous goods storage parameters accord with first-class dangerous goods storage parameters or not, and entering a dangerous goods vacuum safe storage mode if the input dangerous goods storage parameters accord with the first-class dangerous goods storage parameters;
if not, judging whether the input storage parameters of the dangerous goods accord with the storage parameters of the second type of dangerous goods, and if so, entering a safe storage mode of the low-temperature passivation solution;
if not, judging whether the input dangerous goods storage parameters accord with the third type of dangerous goods storage parameters or not, and if so, entering a low-temperature inert gas safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the fourth type of dangerous goods storage parameters or not, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the fifth type dangerous goods storage parameters or not, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the sixth type of dangerous goods storage parameters or not, and if so, selecting to enter a low-temperature passivation liquid safe storage mode or a low-temperature inert gas safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the seventh dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode, a low-temperature passivation liquid safe storage mode or a low-temperature inert gas safe storage mode;
if not, an error prompt and/or an alarm device is sent out for alarming.
Further, before entering a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, starting a dangerous goods vacuum leakage detection mode, wherein the dangerous goods vacuum leakage detection mode comprises the following steps:
the intelligent controller controls the vacuum pump to start, the electric control vacuum valve is opened to vacuumize the dangerous goods storage sealing tank, and the first combustible gas sensor detects whether combustible gas escapes;
if combustible gas overflows, the intelligent controller starts an alarm device to alarm;
and if no combustible gas overflows, entering a corresponding dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
Further, the dangerous goods vacuum safe storage mode comprises the following steps:
the intelligent controller controls the vacuum pump to start, opens the electric control vacuum valve to vacuumize the dangerous goods storage sealing tank, and closes the electric control vacuum valve and the vacuum pump until the dangerous goods storage sealing tank is in a vacuum state, so as to enter a dangerous goods vacuum safe storage mode;
the safe storage mode of the low-temperature passivation solution comprises the following steps:
the intelligent controller controls the electric control two-position three-way valve to be switched to a state communicated with the dangerous goods storage sealing tank and opens the electric control liquid valve, the low-temperature passivation liquid in the low-temperature passivation liquid storage tank is filled into the dangerous goods storage sealing tank through a second pipeline until the dangerous goods storage sealing tank is filled with the low-temperature passivation liquid, the electric control two-position three-way valve and the electric control liquid valve are closed, and a low-temperature passivation liquid safe storage mode is entered;
the safe storage mode of the low-temperature inert gas comprises the following steps:
and the intelligent controller controls the pressure reducing valve and the electric control gas valve to be opened, the low-temperature inert gas in the low-temperature inert gas steel cylinder is filled into the dangerous article storage sealing tank through the third pipeline until the dangerous article storage sealing tank is filled with the low-temperature inert gas, and the pressure reducing valve and the electric control gas valve are closed to enter a low-temperature inert gas safe storage mode.
The invention has the beneficial effects that: among this technical scheme, cooling system provides cold volume for the insulation can is internal, hazardous articles storage seal jar is used for depositing hazardous articles, through the vacuum pump, first pipeline, the setting of automatically controlled vacuum valve and first combustible gas sensor, can make this device have hazardous articles vacuum leak hunting mode and hazardous articles vacuum safety storage mode, wherein, hazardous articles vacuum leak hunting mode, promptly through setting up the vacuum pump outside the insulation can, start the vacuum pump, open automatically controlled vacuum valve and to the evacuation in the hazardous articles storage seal jar, simultaneously, whether there is combustible gas to escape through first combustible gas sensor detection, can confirm whether there is damaged leakage in the packing of hazardous articles in the hazardous articles storage seal jar, this process is also exactly the vacuum leak hunting mode of hazardous articles. And after the detection is finished, closing the electric control vacuum valve and the vacuum pump to enter a dangerous goods vacuum safe storage mode. The dangerous goods vacuum safe storage mode isolates the dangerous goods and the air contact, an active explosion-proof technology for preventing the formation of an explosive environment is provided, and compared with the existing formed explosive environment, the technology for passively preventing explosion by using a method for controlling an ignition source has obvious difference, the technical scheme mainly adopts the air in three elements of active isolation explosion, so that the dangerous goods and the air cannot be mixed into the explosive environment, the explosive environment is actively prevented from being generated, the safety and the reliability are high, meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigeration container only needs to adopt the explosion-proof electrical equipment which is suitable for the requirement of 2 dangerous areas, thereby reducing the manufacturing cost and being easy to popularize and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a sealed hazardous material storage tank according to the present invention;
FIG. 3 is a schematic diagram of a control module of the intelligent controller according to the present invention;
FIG. 4 is a flow chart of a control method according to the present invention.
In the figure: a heat preservation box body 1; a hazardous material storage sealed tank 2; a condensing unit 3; an evaporator set 4; a vacuum pump 5; a first duct 6; an electrically controlled vacuum valve 7; an exhaust duct 8; a first combustible gas sensor 9; a low-temperature passivation solution storage tank 10; an evaporator coil 11; a second pipe 12; a third temperature sensor 13; a liquid-drawing pump 14; an electrically controlled two-position three-way valve 15; a drain pipe 16; a low temperature inert gas cylinder 17; a pressure reducing valve 18; a third conduit 19; an electric control air valve 20; a pressure sensor 21; a first temperature sensor 22; a pressure relief valve 23; a release valve 24; a tapping valve 25; a second temperature sensor 26; a second combustible gas sensor 27; an emergency battery 28; a heat-insulating sealing door 29; a movable base plate 30; the pipeline moving guide 31; a pipeline securing trolley 32; a liquid inlet pipe 33; an intelligent controller 34; a signal control cable 35; the can lid 36 is sealed; an electrically controlled liquid valve 37; a road wheel 38; a hazardous material 39.
Detailed Description
Example 1:
as shown in fig. 1-3, this embodiment provides an integrated initiative explosion-proof refrigeration and freezing container, including insulation box 1, cooling system and hazardous articles storage seal pot 2, insulation box 1 is formed by the heated board preparation, cooling system is including setting up condensing unit 3 outside insulation box 1 and the evaporation unit 4 of setting in insulation box 1, condensing unit 3 passes through the pipeline and is connected with evaporation unit 4, evaporation unit 4 provides cold volume for in insulation box 1, hazardous articles storage seal pot 2 is located insulation box 1, be used for storing hazardous articles 39, insulation box 1 is equipped with vacuum pump 5 outward, the suction end of vacuum pump 5 is connected with hazardous articles storage seal pot 2 through first pipeline 6, be equipped with automatically controlled vacuum valve 7 on the first pipeline 6, be equipped with first flammable gas sensor 9 on vacuum pump 5's the exhaust duct 8.
Among this technical scheme, cooling system provides cold volume for in the insulation box 1, hazardous articles storage seal pot 2 is used for depositing hazardous articles 39, through vacuum pump 5, first pipeline 6, automatically controlled vacuum valve 7 and first combustible gas sensor 9's setting, can make this device have hazardous articles vacuum leak hunting mode and hazardous articles vacuum safety storage mode, wherein, hazardous articles vacuum leak hunting mode, promptly through set up vacuum pump 5 outside insulation box 1, start vacuum pump 5, open automatically controlled vacuum valve 7 and to the evacuation in hazardous articles storage seal pot 2, simultaneously, whether there is combustible gas to escape through first combustible gas sensor 9 detection, can confirm whether the packing of hazardous articles has the damage to leak in the hazardous articles storage seal pot 2, this process is exactly the vacuum leak hunting mode of hazardous articles. After the detection is finished, the electric control vacuum valve 7 and the vacuum pump 5 are closed, and then the dangerous goods vacuum safe storage mode can be entered. The dangerous goods vacuum safe storage mode isolates the dangerous goods and the air contact, an active explosion-proof technology for preventing the formation of an explosive environment is provided, and compared with the existing formed explosive environment, the technology for passively preventing explosion by using a method for controlling an ignition source has obvious difference, the technical scheme mainly adopts the air in three elements of active isolation explosion, so that the dangerous goods and the air cannot be mixed into the explosive environment, the explosive environment is actively prevented from being generated, the safety and the reliability are high, meanwhile, the explosion-proof performance of the explosion-proof electrical equipment of the explosion-proof refrigeration container only needs to adopt the explosion-proof electrical equipment which is suitable for the requirement of 2 dangerous areas, thereby reducing the manufacturing cost and being easy to popularize and use.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
In order to make this device have low temperature passivation liquid safe storage mode, thereby further promote security and reliability that this device used, be equipped with low temperature passivation liquid bin 10 in the insulation box 1, be equipped with evaporating coil 11 in the low temperature passivation liquid bin 10, evaporating coil 11 communicates with the condensing coil of condensing unit 3, evaporating coil 11 cools down for the passivation liquid of storing in the low temperature passivation liquid bin 10, low temperature passivation liquid bin 10 stores 2 intercommunications through second pipeline 12 and hazardous articles, can store 2 fills into low temperature passivation liquid for hazardous articles, until being full of low temperature passivation liquid in the low temperature passivation liquid bin 10, then get into low temperature passivation liquid safe storage mode. It should be noted that a third temperature sensor 13 is disposed in the low-temperature passivation solution storage tank 10 for adjusting and controlling the temperature of the passivation solution.
The low-temperature passivation solution safe storage mode can also isolate dangerous goods from contacting with air, an active explosion-proof technology for preventing formation of an explosive environment is provided, and the technology is obviously different from the existing technology for forming an explosive environment and passively preventing explosion by using a method for controlling an ignition source.
Example 3:
this embodiment is optimized based on embodiment 2 described above.
In order to make low temperature passivation liquid can flow into hazardous articles storage seal pot 2 through the pipeline is automatic under the action of gravity, low temperature passivation liquid bin 10 is located hazardous articles storage seal pot 2's top, and is more excellent, and low temperature passivation liquid bin 10 sets up the interior roof at insulation box 1, is equipped with automatically controlled liquid valve 37 on the second pipeline 12, then when needing to get into low temperature passivation liquid safe storage mode, open automatically controlled liquid valve 37 on the second pipeline 12 can.
Example 4:
this example was optimized based on example 3 above.
In order to fill into low temperature passivation liquid in the hazardous articles storage seal tank 2 through second pipeline 12, can also discharge low temperature passivation liquid simultaneously, still include drawing liquid pump 14 and automatically controlled two-position three-way valve 15, the first end and the low temperature passivation liquid bin 10 intercommunication of automatically controlled two-position three-way valve 15, the second end of automatically controlled two-position three-way valve 15 is through the feed liquor pipe 33 and drawing liquid pump 14's feed liquor end intercommunication, drawing liquid pump 14's play liquid end passes through fluid-discharge tube 16 and low temperature passivation liquid bin 10 intercommunication, automatically controlled two-position three-way valve 15's third end is through second pipeline 12 and hazardous articles storage seal tank 2 intercommunication.
When the low-temperature passivation liquid in the hazardous article storage sealed tank 2 needs to be discharged, the liquid outlet of the electric control two-position three-way valve 15 is communicated with the liquid inlet pipe of the liquid pump 14, the low-temperature passivation liquid in the hazardous article storage sealed tank 2 is sucked out through the second pipeline 12, and the low-temperature passivation liquid returns to the low-temperature passivation liquid storage tank 10 through the liquid discharge pipe 16 of the liquid pump 14.
Example 5:
this example was optimized based on example 1 above.
In order to make this device have low temperature inert gas safe storage mode to further promote the security and the reliability that this device used, be equipped with low temperature inert gas steel bottle 17 in the insulation box 1, be equipped with relief pressure valve 18 on the low temperature inert gas steel bottle 17, low temperature inert gas steel bottle 17 is equipped with automatically controlled pneumatic valve 20 through third pipeline 19 and hazardous articles storage seal jar 2 intercommunication on the third pipeline 19.
The dangerous goods storage sealed tank 2 can be filled with low-temperature inert gas by regulating and controlling the electric control gas valve 20, and then the safe storage mode of the low-temperature inert gas is entered.
The low-temperature inert gas safe storage mode can also isolate dangerous goods from contacting with air, an active explosion-proof technology for preventing formation of an explosive environment is also provided, and the technology is obviously different from the existing technology for forming an explosive environment and passively preventing explosion by using a method for controlling an ignition source.
Example 6:
this embodiment is optimized based on embodiment 1 described above.
In order to improve the safety and reliability of the dangerous goods storage sealed tank 2, the dangerous goods storage sealed tank 2 is provided with a pressure sensor 21, a first temperature sensor 22, a pressure safety valve 23, a gas release valve 24 and/or a liquid discharge valve 25.
It should be noted that the hazardous material storage sealed tank 2 is a basic sealed tank formed by a sealed tank body made of 316L stainless steel and a sealed tank cover 36; the pressure sensor 21 and the first temperature sensor 22 detect the pressure and the temperature in the dangerous goods storage sealed tank 2 in real time, and provide main regulation and control parameters for the intelligent controller 34 installed on the heat preservation box body 1. Pressure relief valve 23, release valve 24 and bleeder valve 25 all open in good time according to the condition that hazardous articles stored seal pot 2 to promote the security that hazardous articles stored seal pot 2 used.
In order to move the hazardous material storage container 2, a traveling wheel 38 is provided below the hazardous material storage container 2.
Specifically, the pressure safety valve 23 and the air release valve 24 are arranged on the sealing tank cover 36 of the hazardous material storage sealing tank 2, and the liquid release valve 25 is arranged at the lower end of the hazardous material storage sealing tank 2 to ensure safety.
Example 7:
this embodiment is optimized based on embodiment 1 described above.
A second temperature sensor 26 and a second combustible gas sensor 27 are provided in the heat insulating box 1.
Preferably, the second flammable gas sensors 27 are installed up and down in the thermal insulation box body 1, so that leakage of dangerous goods with different specific gravities can be detected in an accident, and an alarm is given through the intelligent controller 34 installed on the thermal insulation box body 1. And starting a dangerous goods vacuum leakage detection mode to confirm whether the dangerous goods package leaks or not, and alarming.
Example 8:
this embodiment is optimized based on embodiment 1 described above.
An emergency battery 28 is arranged outside the box body and provides a power supply for equipment except the refrigerating system when power is cut off accidentally so as to ensure safety.
Example 9:
this embodiment is optimized based on embodiment 1 described above.
The heat preservation box body 1 includes heat preservation sealing door 29, has in the heat preservation box body 1 to move to the outer removal bottom plate 30 of heat preservation box body 1 along the interior diapire of heat preservation box body 1, and hazardous articles store up seal pot 2 and are located and remove on the bottom plate 30. A movable bottom plate 30 is arranged in the heat preservation box body 1, and the movable bottom plate 30 can be moved out of the heat preservation box body 1, so that goods can be loaded and unloaded conveniently. The driving mechanism of the movable bottom plate 30 may be a transmission structure having a linear driving function, such as a screw rod driving mechanism, a hydraulic cylinder driving mechanism, an air cylinder driving mechanism, an electric push rod driving mechanism, or the like, in combination with the above driving device.
Example 10:
this embodiment is optimized based on embodiment 1 described above.
In order to facilitate the loading and unloading operation, it is inconvenient to avoid the pipeline connected with hazardous article storage seal pot 2 to cause the removal of hazardous article storage seal pot 2, be equipped with pipeline moving guide 31 in insulation box 1, pipeline moving guide 31 is located the top of hazardous article storage seal pot 2, it is preferred, pipeline moving guide 31 installs the interior roof at insulation box 1, sliding connection has pipeline fixed pulley 32 on pipeline moving guide 31, pipeline fixed pulley 32 is used for fixed pipeline of being connected with hazardous article storage seal pot 2, it is concrete, the pipeline includes first pipeline 6, second pipeline 12, signal control cable 35 that third pipeline 19 and hazardous article storage seal pot 2 and intelligent control ware 34 electricity are connected. Pipeline fixing pulley 32 can move along pipeline removal guide rail 31 drive pipeline, and the pipeline can follow the removal of hazardous articles storage seal jar 2 to be convenient for the loading and unloading operation of hazardous articles storage seal jar 2.
Example 11:
this embodiment is optimized based on embodiment 4 described above.
In order to enable the device to have a low-temperature inert gas safe storage mode, so that the use safety and reliability of the device are further improved, a low-temperature inert gas steel cylinder 17 is arranged in the heat preservation box body 1, a pressure reducing valve 18 is arranged on the low-temperature inert gas steel cylinder 17, the low-temperature inert gas steel cylinder 17 is communicated with the dangerous goods storage sealing tank 2 through a third pipeline 19, and an electric control gas valve 20 is arranged on the third pipeline 19;
in order to facilitate the comparison of input dangerous article storage parameters, an intelligent controller and an alarm device are installed on the heat preservation box body 1, a dangerous article safety technical specification module is arranged in the intelligent controller, and the dangerous article safety technical specification module comprises a first dangerous article storage parameter, a second dangerous article storage parameter, a third dangerous article storage parameter, a fourth dangerous article storage parameter, a fifth dangerous article storage parameter, a sixth dangerous article storage parameter and a seventh dangerous article storage parameter.
It should be noted that the first type of dangerous goods storage parameter, the second type of dangerous goods storage parameter, the third type of dangerous goods storage parameter, the fourth type of dangerous goods storage parameter, the fifth type of dangerous goods storage parameter, the sixth type of dangerous goods storage parameter and the seventh type of dangerous goods storage parameter are respectively storage parameters matched with different types of dangerous goods.
Wherein the first type of hazardous article storage parameter, the second type of hazardous article storage parameter and the third type of hazardous article storage parameter correspond to hazardous articles that are only adaptable to one safe storage mode;
the fourth dangerous goods storage parameter, the fifth dangerous goods storage parameter and the sixth dangerous goods storage parameter correspond to dangerous goods which can adapt to two safe storage modes;
the seventh type of hazardous article storage parameter corresponds to a hazardous article that can be adapted to any one of the safe storage modes.
Example 12:
as shown in fig. 4, the present invention also provides a control method for an integrated active explosion-proof refrigerated freezing container as described in embodiment 11, comprising the steps of:
inputting storage parameters of dangerous goods;
judging whether the input dangerous goods storage parameters accord with first-class dangerous goods storage parameters or not, and entering a dangerous goods vacuum safe storage mode if the input dangerous goods storage parameters accord with the first-class dangerous goods storage parameters;
if not, judging whether the input storage parameters of the dangerous goods accord with the storage parameters of the second type of dangerous goods, and if so, entering a safe storage mode of the low-temperature passivation solution;
if not, judging whether the input dangerous goods storage parameters accord with the third type of dangerous goods storage parameters or not, and if so, entering a low-temperature inert gas safe storage mode;
if the input dangerous goods storage parameters do not accord with the fourth type of dangerous goods storage parameters, judging whether the input dangerous goods storage parameters accord with the fourth type of dangerous goods storage parameters, if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode, wherein the dangerous goods vacuum safe storage mode or the low-temperature passivation solution safe storage mode can be selected to enter automatically or manually;
if the input dangerous goods storage parameters do not accord with the fifth type of dangerous goods storage parameters, judging whether the input dangerous goods storage parameters accord with the fifth type of dangerous goods storage parameters, if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode, wherein the dangerous goods vacuum safe storage mode or the low-temperature inert gas safe storage mode can be selected to enter automatically or manually;
if the input dangerous goods storage parameters do not accord with the sixth type of dangerous goods storage parameters, judging whether the input dangerous goods storage parameters accord with the sixth type of dangerous goods storage parameters, if so, selecting to enter a low-temperature passivation liquid safe storage mode or a low-temperature inert gas safe storage mode, wherein the low-temperature passivation liquid safe storage mode can be selected to enter automatically or manually;
if the input dangerous goods storage parameters do not accord with the seventh type dangerous goods storage parameters, judging whether the input dangerous goods storage parameters accord with the seventh type dangerous goods storage parameters, if so, selecting to enter a dangerous goods vacuum safe storage mode, a low-temperature passivation liquid safe storage mode or a low-temperature inert gas safe storage mode, wherein the dangerous goods vacuum safe storage mode, the low-temperature passivation liquid safe storage mode or the low-temperature inert gas safe storage mode can be selected to enter automatically or manually;
if not, an error prompt and/or an alarm device is sent out for alarming.
It should be noted that:
the dangerous goods corresponding mode can only adapt to one safe storage mode:
the first type of dangerous goods storage parameters correspond to a dangerous goods vacuum safe storage mode; the storage parameters of the second type of dangerous goods correspond to the safe storage mode of the low-temperature passivation solution; the storage parameters of the third type of dangerous goods correspond to the safe storage mode of the low-temperature inert gas;
dangerous goods corresponding modes which can adapt to two safe storage modes are as follows:
the fourth type of dangerous goods storage parameters correspond to any one of a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode; the fifth type of dangerous goods storage parameters correspond to any one of a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode; the storage parameter of the sixth dangerous goods corresponds to any one of a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode;
the dangerous goods corresponding mode in any one safe storage mode can be adapted:
the seventh type of dangerous goods storage parameter corresponds to any one of a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
Example 13:
this embodiment is optimized based on embodiment 12 described above.
Starting a dangerous goods vacuum leakage detection mode before entering a dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode, wherein the dangerous goods vacuum leakage detection mode comprises the following steps:
the intelligent controller 34 controls the vacuum pump 5 to start, the electric control vacuum valve 7 is opened to vacuumize the dangerous goods storage sealing tank 2, and the first combustible gas sensor 9 detects whether combustible gas escapes;
if combustible gas overflows, the intelligent controller 34 starts an alarm device to alarm;
and if no combustible gas overflows, entering a corresponding dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
Example 14:
this embodiment is optimized based on embodiment 12 or 13 described above.
The dangerous goods vacuum safe storage mode comprises the following steps:
the intelligent controller 34 controls the vacuum pump 5 to start, opens the electric control vacuum valve 7 to vacuumize the dangerous goods storage sealed tank 2, and closes the electric control vacuum valve 7 and the vacuum pump 5 to enter a dangerous goods vacuum safe storage mode until the inside of the dangerous goods storage sealed tank 2 is in a vacuum state;
the safe storage mode of the low-temperature passivation solution comprises the following steps:
the intelligent controller controls the electric control two-position three-way valve 15 to be switched to be communicated with the dangerous goods storage sealing tank 2 and opens the electric control liquid valve 37, the low-temperature passivation liquid in the low-temperature passivation liquid storage tank 10 is filled into the dangerous goods storage sealing tank 2 through a second pipeline until the dangerous goods storage sealing tank 2 is filled with the low-temperature passivation liquid, the electric control two-position three-way valve 15 and the electric control liquid valve 37 are closed, and the safe storage mode of the low-temperature passivation liquid is entered;
the safe storage mode of the low-temperature inert gas comprises the following steps:
the intelligent controller controls the pressure reducing valve 18 and the electric control gas valve 20 to be opened, the low-temperature inert gas in the low-temperature inert gas steel cylinder 17 is filled into the dangerous goods storage sealed tank 2 through the third pipeline 19 until the dangerous goods storage sealed tank 2 is filled with the low-temperature inert gas, the pressure reducing valve 18 and the electric control gas valve 20 are closed, and the safe storage mode of the low-temperature inert gas is entered.
It should be noted that, in this technical scheme, an intelligent controller 34 is installed outside the heat preservation box 1, and a hazardous article safety technical specification module and a hazardous article storage active explosion-proof expert system module are installed in the intelligent controller 34, and display, prompt and error correction are given to the hazardous article name, storage parameters, misoperation and the like which are manually input. The active explosion-proof expert system module for dangerous goods storage is designed to optimize all the parameters required by the dangerous goods storage, and controls the temperature in the heat preservation box body 1, the temperature of the passivation solution, the storage mode in the dangerous goods storage sealing tank 2 and the mode switching strategy for the dangerous goods storage under various conditions, and the parameters such as the pressure and the temperature in the dangerous goods storage sealing tank 2.
The second combustible gas sensors 27 are arranged in the heat preservation box body 1 up and down, so that leakage of dangerous goods with different specific gravities can be detected in case of accidents, and an alarm is given through an intelligent controller 34 arranged on the heat preservation box body 1. And starting a dangerous goods vacuum leakage detection mode to confirm whether the dangerous goods package leaks or not, and alarming. Meanwhile, the dangerous goods storage active explosion-proof expert system module in the intelligent controller 34 decides a safe storage mode when determining an accident, so that the accident is prevented from being expanded. Time is strived for human intervention. The intelligent controller 34 includes a WiFi module, and can display parameters, status, alarm and operation on a terminal device such as a mobile phone. The intelligent controller 34 is provided with a satellite positioning module, so that real-time positioning can be realized, and tracking and emergency operation are convenient.
The invention discloses an integrated active explosion-proof refrigerated and frozen container, which has three safe storage modes for actively isolating air and preventing dangerous goods in a dangerous goods storage sealed tank 2 from generating an explosive environment. The following three active air-insulated safe storage modes are described:
1. vacuum safe storage mode for dangerous goods
The vacuum pump 5 is arranged outside the heat preservation box body 1, and the vacuum pump 5 is connected with the electric control vacuum valve 7 of the dangerous goods storage sealing tank 2 through a first pipeline 6. Firstly, the dangerous goods storage sealed tank 2 is vacuumized by the vacuum pump 5, and whether the dangerous goods stored in the dangerous goods storage sealed tank 2 escapes or not is detected by the first combustible gas sensor 9 arranged on the exhaust pipe of the vacuum pump, so that whether the package is intact or not is detected. If the dangerous goods are qualified, the electric control vacuum valve 7 and the vacuum pump 5 are closed, and the dangerous goods vacuum safe storage mode is entered. If combustible gas escapes, the alarm is given through an intelligent controller 34 arranged on the heat preservation box body 1.
2. Low-temperature passivation liquid safe storage mode
The upper portion that lies in hazardous articles storage seal pot 2 in insulation box 1 is equipped with low temperature passivation liquid bin 10, and second pipeline 12 is connected with hazardous articles storage seal pot 2's automatically controlled liquid valve 37, can store the requirement according to the hazardous articles, is full of low temperature passivation liquid in the hazardous articles storage seal pot 2, provides low temperature passivation liquid safe storage mode for storing the hazardous articles. The low temperature passivation liquid bin 10 is internally provided with an evaporating coil 11, the evaporating coil 11 is connected with a condensing unit 3 outside the heat preservation box body 1 to provide cooling capacity for the low temperature passivation liquid, an electric control two-position three-way valve 15 is installed at the liquid outlet of the low temperature passivation liquid bin 10, and when the liquid is discharged at ordinary times, the liquid between the liquid outlet of the electric control two-position three-way valve 15 and the dangerous goods storage sealing tank 2 is communicated by utilizing the gravity principle to fill the dangerous goods storage sealing tank 2. When the low-temperature passivation liquid in the hazardous article storage sealed tank 2 needs to be discharged, the liquid outlet of the electric control two-position three-way valve 15 is communicated with the liquid inlet pipe of the liquid pump 14, the low-temperature passivation liquid in the hazardous article storage sealed tank 2 is sucked out through the second pipeline 12, and the low-temperature passivation liquid returns to the low-temperature passivation liquid storage tank 10 through the liquid discharge pipe 16 of the liquid pump 14.
3. Low temperature inert gas safe storage mode
The low-temperature inert gas steel cylinder 17 is fixedly installed in the heat preservation box body 1, the low-temperature inert gas decompressed by the decompression valve 18 is filled into the dangerous goods storage sealed tank 2 through the third pipeline 19, the dangerous goods storage sealed tank 2 can be filled with the low-temperature inert gas according to requirements, and an inert gas protection safe storage mode is implemented on dangerous goods.
The dangerous goods storage active explosion-proof expert system module in the intelligent controller 34 performs optimization decision on the control of the stored dangerous goods under various conditions, and switches among three storage modes, namely a dangerous goods vacuum safe storage mode, a low-temperature inert gas safe storage mode and a low-temperature passivation solution safe storage mode in real time to ensure the safety of the dangerous goods storage.
As the vacuum check of the integrity of dangerous goods packaging is carried out in advance, and three safety protection modes of a dangerous goods vacuum safe storage mode, a low-temperature passivation liquid safe storage mode and a low-temperature inert gas safe storage mode are adopted for dangerous goods, the dangerous goods in the dangerous goods storage sealing tank 2 actively obstruct air which is exploded to form one of three elements, and an explosive environment cannot be formed when the dangerous goods are accidentally leaked. Meanwhile, the pressure and temperature in the hazardous material storage sealed tank 2 and the parameters of the combustible gas sensor at the exhaust port of the vacuum pump 5 can be monitored by the intelligent controller 34, so that whether the hazardous material storage sealed tank 2 and the hazardous material package are intact can be detected. Moreover, the dangerous goods storage active explosion-proof expert system module in the intelligent controller 34 has safety control measures after optimization decision for various conditions in dangerous goods storage, and meanwhile, the safety is ensured by communication between the WiFi module and the terminal equipment and the operator.
It should be noted that, the intelligent controller 34 is installed outside the thermal insulation box 1, and when the device has three safe storage modes, namely a hazardous article vacuum safe storage mode, a low-temperature passivation solution safe storage mode and a low-temperature inert gas safe storage mode, and after a hazardous article storage parameter and a storage mode are input, in order to further improve the reliability of the system, the hazardous article storage active explosion-proof expert system module compares the hazardous article storage parameter in the hazardous article safety technical specification with the storage mode, and displays whether the hazardous article storage parameter is correct or not, and can correct errors. Human error is avoided to ensure safety.
After the dangerous goods are put into the dangerous goods storage sealing tank 2, the dangerous goods storage active explosion-proof expert system module can be optimized overall, and storage parameters and safe storage modes of the stored dangerous goods under various storage conditions can be given. And real-time decision is made on which cycle is adopted to enter a vacuum leakage detection mode to detect the leakage condition of the stored dangerous goods and a processing mode under emergency. The intelligent controller 34 controls the temperature of the space in the heat-insulating box 1 and the temperature of the passivation solution according to the temperature information detected by the second temperature sensor 26 and the third temperature sensor 13. The pressure and the temperature in the dangerous goods storage sealing tank 2 are monitored in real time through the pressure sensor 21 and the first temperature sensor 22, and which storage parameter and safe storage mode are adopted for optimization decision. The intelligent controller 34 is internally provided with a WiFi module, and can display, control and alarm through terminal equipment.
The dangerous goods vacuum safe storage mode, the low-temperature passivation liquid safe storage mode and the low-temperature inert gas safe storage mode adopt an active explosion-proof technology for isolating dangerous goods from air to prevent an explosive environment from being formed, and have obvious difference from the existing technology for controlling an ignition source to realize passive explosion-proof, and the technical scheme adopts the design for preventing the explosive environment from being formed, so that the safety and the reliability are higher.
According to the technical scheme, under the optimized regulation and control of the dangerous goods storage active explosion-proof expert system module in the intelligent controller 34, the parameters for storing various dangerous goods are optimized in real time; and carrying out real-time optimization selection and determination on the active explosion-proof safe storage modes of various dangerous goods. And when leakage is found in the process of storage and transportation of the dangerous goods, the most reliable safety protection mode is adopted for the dangerous goods, so that the safety of the dangerous goods in the process of storage and transportation is reliably guaranteed. Making the possibility of creating an explosive environment a small probability event. Therefore, the explosion-proof electric equipment in the integrated active explosion-proof refrigerated container has the advantages of low manufacturing cost, multiple selected varieties, flexible selection of design and manufacturing technical schemes and the manufacturing technical scheme, and meets the requirements of 2 dangerous areas. The invention effect of the integrated active explosion-proof refrigerated freezing container can be achieved, the storage and transportation safety of the explosion-proof refrigerated freezing container is improved, and the manufacturing cost can be reduced.
Finally, it should be noted that: the above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An integrated active explosion-proof refrigerated freezing container is characterized in that: including insulation box, cooling system and hazardous articles storage seal pot, cooling system is including setting up the condensation unit outside the insulation box and setting up the evaporation plant in the insulation box, the condensation unit passes through the pipeline and is connected with the evaporation plant, hazardous articles storage seal pot is located the insulation box, the insulation box is equipped with the vacuum pump outward, the end of breathing in of vacuum pump is connected with hazardous articles storage seal pot through first pipeline, be equipped with automatically controlled vacuum valve on the first pipeline, be equipped with a combustible gas sensor on the exhaust duct of vacuum pump.
2. An integrated active explosion proof refrigerated refrigeration container as claimed in claim 1 wherein: be equipped with low temperature passivation liquid bin in the insulation box, be equipped with evaporating coil in the low temperature passivation liquid bin, evaporating coil communicates with the condensing coil of condensation unit, low temperature passivation liquid bin passes through second pipeline and hazardous articles and stores up the seal pot intercommunication.
3. An integrated active explosion proof refrigerated freezing container as claimed in claim 2 wherein: the low-temperature passivation liquid storage tank is located above the dangerous goods storage sealing tank, and the second pipeline is provided with an electric control liquid valve.
4. An integrated active explosion proof refrigerated refrigeration container as claimed in claim 3 wherein: still include drawing liquid pump and automatically controlled two-position three-way valve, the first end and the low temperature passivation liquid bin intercommunication of automatically controlled two-position three-way valve, the second end of automatically controlled two-position three-way valve communicates with the feed liquor end of drawing liquid pump, the play liquid end and the low temperature passivation liquid bin intercommunication of drawing liquid pump, the third end of automatically controlled two-position three-way valve passes through the second pipeline and stores the seal pot intercommunication with the hazardous articles.
5. An integrated active explosion proof refrigerated refrigeration container as claimed in claim 1 wherein: the low-temperature inert gas storage tank is characterized in that a low-temperature inert gas steel cylinder is arranged in the heat preservation box body, a pressure reducing valve is arranged on the low-temperature inert gas steel cylinder, the low-temperature inert gas steel cylinder is communicated with a dangerous article storage sealing tank through a third pipeline, and an electric control gas valve is arranged on the third pipeline.
6. An integrated active explosion proof refrigerated refrigeration container as claimed in claim 1 wherein: and the dangerous goods storage sealed tank is provided with a pressure sensor, a first temperature sensor, a pressure safety valve, an air escape valve and/or a liquid discharge valve.
7. An integrated active explosion proof refrigerated refrigeration container as claimed in claim 4 wherein: a low-temperature inert gas steel cylinder is arranged in the heat preservation box body, a pressure reducing valve is arranged on the low-temperature inert gas steel cylinder, the low-temperature inert gas steel cylinder is communicated with a dangerous article storage sealing tank through a third pipeline, and an electric control gas valve is arranged on the third pipeline;
the intelligent controller and the alarm device are installed on the heat preservation box body, a dangerous goods safety technical specification module is arranged in the intelligent controller, and the dangerous goods safety technical specification module comprises a first dangerous goods storage parameter, a second dangerous goods storage parameter, a third dangerous goods storage parameter, a fourth dangerous goods storage parameter, a fifth dangerous goods storage parameter, a sixth dangerous goods storage parameter and a seventh dangerous goods storage parameter.
8. A control method for an integrated active explosion proof refrigerated refrigeration container of claim 7 comprising the steps of:
inputting storage parameters of dangerous goods;
judging whether the input storage parameters of the dangerous goods accord with the storage parameters of the first type of dangerous goods, and if so, entering a vacuum safe storage mode of the dangerous goods;
if not, judging whether the input storage parameters of the dangerous goods accord with the storage parameters of the second type of dangerous goods, and if so, entering a safe storage mode of the low-temperature passivation solution;
if not, judging whether the input dangerous goods storage parameters accord with the third type of dangerous goods storage parameters or not, and if so, entering a low-temperature inert gas safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the fourth type of dangerous goods storage parameters or not, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature passivation solution safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the fifth type dangerous goods storage parameters or not, and if so, selecting to enter a dangerous goods vacuum safe storage mode or a low-temperature inert gas safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the sixth type of dangerous goods storage parameters or not, and if so, selecting to enter a low-temperature passivation liquid safe storage mode or a low-temperature inert gas safe storage mode;
if not, judging whether the input dangerous goods storage parameters accord with the seventh dangerous goods storage parameters, and if so, selecting to enter a dangerous goods vacuum safe storage mode, a low-temperature passivation liquid safe storage mode or a low-temperature inert gas safe storage mode;
if not, an error prompt and/or an alarm device is sent out for alarming.
9. The control method of claim 8, wherein the hazardous article vacuum leak detection mode is started before entering the hazardous article vacuum safe storage mode, the low-temperature passivation solution safe storage mode or the low-temperature inert gas safe storage mode, and the hazardous article vacuum leak detection mode comprises the following steps:
the intelligent controller controls the vacuum pump to start, the electric control vacuum valve is opened to vacuumize the dangerous goods storage sealing tank, and the first combustible gas sensor detects whether combustible gas escapes;
if combustible gas overflows, the intelligent controller starts an alarm device to alarm;
and if no combustible gas overflows, entering a corresponding dangerous goods vacuum safe storage mode, a low-temperature passivation solution safe storage mode or a low-temperature inert gas safe storage mode.
10. A control method according to claim 8 or 9, characterized by:
the dangerous goods vacuum safe storage mode comprises the following steps:
the intelligent controller controls the vacuum pump to start, opens the electric control vacuum valve to vacuumize the dangerous goods storage sealing tank, and closes the electric control vacuum valve and the vacuum pump until the dangerous goods storage sealing tank is in a vacuum state, so as to enter a dangerous goods vacuum safe storage mode;
the safe storage mode of the low-temperature passivation solution comprises the following steps:
the intelligent controller controls the electric control two-position three-way valve to be switched to a state communicated with the dangerous goods storage sealing tank and opens the electric control liquid valve, the low-temperature passivation liquid in the low-temperature passivation liquid storage tank is filled into the dangerous goods storage sealing tank through a second pipeline until the dangerous goods storage sealing tank is filled with the low-temperature passivation liquid, the electric control two-position three-way valve and the electric control liquid valve are closed, and a low-temperature passivation liquid safe storage mode is entered;
the safe storage mode of the low-temperature inert gas comprises the following steps:
and the intelligent controller controls the pressure reducing valve and the electric control gas valve to be opened, the low-temperature inert gas in the low-temperature inert gas steel cylinder is filled into the dangerous article storage sealing tank through the third pipeline until the dangerous article storage sealing tank is filled with the low-temperature inert gas, and the pressure reducing valve and the electric control gas valve are closed to enter a low-temperature inert gas safe storage mode.
CN202210745456.5A 2022-06-27 2022-06-27 Integrated active explosion-proof refrigerated and frozen container and control method Pending CN114890003A (en)

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