Non-pipe type gas purification type hazardous chemical substance cabinet

Abstract

The utility model discloses a non-pipe gas purification type hazardous chemical substance cabinet, which is characterized in that a cabinet body is internally provided with a one-step molded step laminate made of PP (polypropylene) materials and used for placing reagent bottles; the bottom of the cabinet body is provided with a leakage groove, a landfill cavity, a leakage hole and the like which are connected with a leakage pipeline to collect leakage; a ventilation grille and an adjustable air port are arranged below the right side of the cabinet body, a primary filter, an activated carbon filter and a fan are arranged at the top of the cabinet body, air in the cabinet is purified, adsorbed and exhausted, and activated carbon adsorption types include organic adsorption, inorganic adsorption and comprehensive adsorption which are selected according to the types of chemicals stored in the cabinet. A temperature and humidity sensor and a VOC sensor are arranged on the top of the cabinet, temperature, humidity and VOC data in the cabinet are monitored in real time, an alarm is given after a set value is controlled and exceeds the standard, and the controller further has the functions of timed air exhaust, filter service life display, chemical reagent inventory management and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of hazardous chemical cabinets, and specifically relates to a tubeless air purification type hazardous chemical cabinet. Background Art

[0002] The reasons for using hazardous chemical safety cabinets include: preventing fires and controlling spills; protecting human life, property, and the environment; reducing costs and improving work efficiency. Because of their small size, they can be placed in the workplace to store flammable and combustible chemicals, eliminating the need for frequent trips to hazardous materials storage rooms, saving time and effort; effective management of various hazardous materials. Safety cabinets of different colors have different functions and can store different chemicals. They are stored in different categories, making them easy to manage at a glance.

[0003] The filter unit of the hazardous chemicals cabinet in the prior art is fixedly installed, which is not convenient for replacement and maintenance. The control panel structure is also installed in an integrated fixed form, which is not convenient for early installation and later maintenance. Moreover, the VOC concentration monitoring accuracy of the traditional hazardous chemicals safety cabinet needs to be improved, and it cannot effectively ensure the cleanliness of the purified air.

[0004] To this end, we propose a ductless gas-purifying hazardous chemicals cabinet. Utility Model Content

[0005] The purpose of the utility model is to provide a pipeless gas-purifying hazardous chemicals cabinet to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ductless air-purifying hazardous chemicals cabinet, comprising a cabinet body and a cabinet door hingedly connected to the cabinet body by a hinge, a movable wheel is provided at the bottom of the cabinet body, a ventilation grille and an adjustable air outlet are provided at the lower right side of the cabinet body, the adjustable air outlet is located on the inner side of the ventilation grille, a cabinet top connected to its inner cavity is provided at the top of the cabinet body, a primary filter, a fan and two groups of activated carbon filters are provided on the cabinet top, a temperature and humidity sensor and a VOC sensor are provided on the cabinet top, a decorative panel is hung on the front side of the cabinet top, a power switch and an operation indicator light are provided on the decorative panel, a plurality of stepped layers are arranged vertically in the cabinet body, a bottom plate is provided at the bottom of the cabinet body, a leakage hole is provided on the bottom plate, the leakage hole is connected to the leakage pipe, and a landfill cavity is provided on the top of the bottom plate and below the lowest stepped layer plate.

[0007] The cabinet door is provided with an electronic password lock.

[0008] The two groups of activated carbon filters are located at the upper and lower ends of the fan, and the primary filter is arranged at the bottom of the activated carbon filter located below.

[0009] Two VOC sensors are provided, one of which is arranged beside the fan, and the other VOC sensor and the temperature and humidity sensor are placed outside the activated carbon filter.

[0010] The decorative panel is provided with a liquid crystal screen controller or a piano key screen controller.

[0011] A power socket is also arranged on the top of the cabinet.

[0012] The technical effects and advantages of the utility model are as follows: the tubeless air-purifying hazardous chemicals cabinet has a PP one-time formed stepped layer plate inside the cabinet body for placing reagent bottles; a leakage trough, a landfill cavity, a leakage hole and the like are connected to the leakage pipe to collect the leakage; the cabinet as a whole has a double-layer structure, the outer layer is high-quality cold-rolled steel plate, which is acid phosphating, and the surface is electrostatically sprayed with epoxy resin powder, which is melted by high-temperature baking to form a protective layer, which is rust-proof and acid-alkali corrosion-resistant; the inner layer is a PP plate with stronger corrosion resistance, and ceramic fiber cotton is filled between the inner and outer layers to achieve thermal insulation and fire prevention effects.

[0013] The cabinet door is connected to the cabinet body by a long row of hinges. The cabinet door is equipped with a new composite structure of an electronic password lock and a GA mechanical lock. It is safe and reliable, with a low failure rate, and can achieve double-person double-lock management of hazardous chemicals in the cabinet. A ventilation grille and an adjustable air outlet are installed at the bottom right of the cabinet body. A primary filter, an activated carbon filter, and a fan are installed on the top to purify and adsorb the air in the cabinet. The activated carbon adsorption types are divided into organic adsorption, inorganic adsorption, and comprehensive adsorption, which are selected according to the type of chemicals stored in the cabinet. A temperature and humidity sensor and a VOC sensor are installed on the top to monitor the temperature, humidity, and VOC data in the cabinet in real time;

[0014] By controlling the set value, an alarm will be issued when it exceeds the standard. The controller also has functions such as timed exhaust, filter life display, and chemical reagent inventory management. All functions can be remotely operated on the mobile client through the Internet of Things. The top decorative panel is designed to be easily disassembled and connected to the top of the cabinet through a hook. It is a modular design. The controller, power supply, circuit board, etc. are integrated in this component. Different controller types can be installed according to customer needs, such as LCD screen controller, piano key screen controller, etc., which is extremely convenient for installation, transportation, maintenance, and replacement. The top activated carbon filter is also modularly designed. Different activated carbon filters can be installed according to different purification and adsorption needs, which is extremely convenient for subsequent use and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a right view of the utility model;

[0018] Figure 4 It is a top view of the utility model;

[0019] Figure 5 For this utility model Figure 2 Sectional view along line AA;

[0020] Figure 6 This is a schematic diagram of the structure of the decorative plate of the utility model;

[0021] Figure 7 For this utility model Figure 6 The main view of

[0022] Figure 8 It is a structural schematic diagram of the keyboard screen controller of the utility model.

[0023] In the figure: 1. Cabinet body; 2. Cabinet door; 3. Hinge; 4. Electronic password lock; 5. Ventilation grille;

[0024] 6. Cabinet top; 7. Activated carbon filter; 8. Fan; 9. Step shelf; 10. Adjustable air outlet; 11. Bottom plate; 12. Landfill cavity; 13. Leakage hole; 14. Leakage pipe; 15. Decorative panel; 16. LCD screen controller; 17. Power switch; 18. Operation indicator light; 19. Power socket; 20. Moving wheel; 21. Temperature and humidity sensor; 22. VOC sensor; 23. Primary filter; 24. Keyboard screen controller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-8 A pipeless gas-purifying hazardous chemicals cabinet is shown, comprising a cabinet body 1 and a cabinet door 2 hinged to the cabinet body 1 by a hinge 3, the cabinet door 2 is provided with an electronic password lock 4, and the cabinet door 2 is provided with a new composite structure of the electronic password lock 4 and a GA mechanical lock, and the bottom of the cabinet body 1 is provided with a moving wheel 20 for easy movement; the cabinet is a double-layer structure as a whole, with an outer layer of high-quality cold-rolled steel plate and an inner layer of PP plate; ceramic fiber cotton is filled between the inner and outer layers;

[0027] The cabinet is a double-layer structure. The outer layer is high-quality cold-rolled steel plate, which is acid phosphated and electrostatically sprayed with epoxy resin powder on the surface. After high-temperature baking and melting, a protective layer is formed, which is rust-proof and acid- and alkali-resistant. The inner layer is PP plate, which has stronger corrosion resistance. Ceramic fiber cotton is filled between the inner and outer layers to achieve thermal insulation and fireproof effects.

[0028] A ventilation grille 5 and an adjustable air outlet 10 are provided at the lower right side of the cabinet 1. The adjustable air outlet 10 is located on the inner side of the ventilation grille 5. A cabinet top 6 connected to the inner cavity of the cabinet 1 is provided on the top of the cabinet 1. A power socket 19 is also provided on the cabinet top 6 for connecting electricity.

[0029] The cabinet top 6 is provided with a primary filter 23, a fan 8 and two groups of activated carbon filters 7, which purify the air in the cabinet and adsorb the exhaust. The activated carbon adsorption types are divided into organic adsorption, inorganic adsorption and comprehensive adsorption, which are selected according to the type of chemicals stored in the cabinet. The cabinet top 6 is provided with a temperature and humidity sensor 21 and a VOC sensor 22; the temperature, humidity and VOC data in the cabinet are monitored in real time. The two groups of activated carbon filters 7 are located at the upper and lower ends of the fan 8, and the primary filter 23 is located at the bottom of the activated carbon filter 7 located below. There are two VOC sensors 22, one of which is located next to the fan 8, and the other VOC sensor 22 and the temperature and humidity sensor 21 are placed outside the activated carbon filter 7.

[0030] A decorative panel 15 is hung on the front side of the cabinet top 6 and connected to the top of the cabinet body 1 through a hook. The decorative panel 15 is provided with an LCD screen controller 16 or a keyboard screen controller 24. Different controller types can be installed according to customer needs, which is extremely convenient for installation, transportation, maintenance, replacement, etc. The decorative panel 15 is provided with a power switch 17 and an operating indicator light 18. A plurality of step layers 9 are arranged vertically in the cabinet body 1. The step layers 9 are PP material one-step molded step layers 9, which are used to place reagent bottles;

[0031] A bottom plate 11 is provided at the bottom of the cabinet 1, and a leakage hole 13 is provided on the bottom plate 11. The leakage hole 13 is connected to a leakage pipe 14 to collect leakage; a landfill cavity 12 is provided at the top of the bottom plate 11 and below the lowest stepped layer plate 9.

[0032] The upper activated carbon filter unit of this ductless air purification hazardous chemicals cabinet is modular and divided into multiple filter types, which is more convenient for replacement and maintenance; the control unit is all installed inside the decorative panel, which is an independent unit and is hung on the top of the cabinet, easy to disassemble, and customers can change the controller type, which is more convenient for early installation and later maintenance; one VOC sensor is added than before, a total of two VOC sensors, one VOC sensor is placed next to the fan, that is, between the two layers of activated carbon, to monitor the VOC concentration of the air in the cabinet after being filtered and adsorbed by the lower layer of activated carbon, and the other VOC sensor and temperature and humidity sensor are placed outside the activated carbon to monitor the VOC concentration and temperature and humidity after being filtered and adsorbed by the two layers of activated carbon to ensure the cleanliness of the purified air;

[0033] The controller interface adds a display of the activated carbon filter life. The life of the activated carbon filter is calculated based on the cumulative running time and the data monitored by two VOC sensors in the control program. The activated carbon filter counts down in percentage from 100% to 0%. If the life is less than 10%, an alarm will pop up on the controller screen to remind the user to replace it in time. When the filter life is 0, an alarm will continue to pop up and a buzzer will sound until the customer replaces the filter and resets the filter life value to clear the alarm.

[0034] The controller has an inventory management function, records electronic ledgers, manages the entry and exit records of hazardous chemicals, and the electronic ledgers can be exported.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ductless air-purifying hazardous chemicals cabinet, comprising a cabinet body (1) and a cabinet door (2) hinged to the cabinet body (1) by hinges (3), wherein a movable wheel (20) is provided at the bottom of the cabinet body (1), and characterized in that: A ventilation grille (5) and an adjustable air outlet (10) are provided at the lower right side of the cabinet body (1); the adjustable air outlet (10) is located on the inner side of the ventilation grille (5); a cabinet top (6) connected to the inner cavity of the cabinet body (1) is provided at the top; a primary filter (23), a fan (8) and two groups of activated carbon filters (7) are provided on the cabinet top (6); a temperature and humidity sensor (21) and a VOC sensor (22) are provided on the cabinet top (6); and a front side of the cabinet top (6) is provided with a A decorative plate (15) is connected, and a power switch (17) and an operation indicator light (18) are provided on the decorative plate (15). A plurality of stepped layers (9) are arranged vertically in the cabinet (1). A bottom plate (11) is provided at the bottom of the cabinet (1). A liquid leakage hole (13) is provided on the bottom plate (11). The liquid leakage hole (13) is connected to a liquid leakage pipe (14). A landfill cavity (12) is provided at the top of the bottom plate (11) and below the lowest stepped layer plate (9).

2. The ductless gas purification hazardous chemicals cabinet according to claim 1 is characterized in that: The cabinet door (2) is provided with an electronic password lock (4).

3. The ductless gas purification hazardous chemicals cabinet according to claim 1 is characterized in that: The two groups of activated carbon filters (7) are located at the upper and lower ends of the fan (8), and the primary filter (23) is arranged at the bottom of the activated carbon filter (7) located below.

4. The ductless gas purification hazardous chemicals cabinet according to claim 1 is characterized in that: Two VOC sensors (22) are provided, one of which is located next to the fan (8), and the other VOC sensor (22) and the temperature and humidity sensor (21) are placed outside the activated carbon filter (7).

5. The ductless gas purification hazardous chemicals cabinet according to claim 1 is characterized in that: The decorative plate (15) is provided with a liquid crystal screen controller (16) or a piano key screen controller (24).

6. The ductless gas purification hazardous chemicals cabinet according to claim 1 is characterized in that: A power socket (19) is also provided on the cabinet top (6).

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