KR101605164B1 - Safety Storage Cabinet - Google Patents

Safety Storage Cabinet Download PDF

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Publication number
KR101605164B1
KR101605164B1 KR1020150101992A KR20150101992A KR101605164B1 KR 101605164 B1 KR101605164 B1 KR 101605164B1 KR 1020150101992 A KR1020150101992 A KR 1020150101992A KR 20150101992 A KR20150101992 A KR 20150101992A KR 101605164 B1 KR101605164 B1 KR 101605164B1
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South Korea
Prior art keywords
housing
duct
wall
air
cabinet
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KR1020150101992A
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Korean (ko)
Inventor
신현주
김상용
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주식회사 제이오텍
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B67/00Chests; Dressing-tables; Medicine cabinets or the like; Cabinets characterised by the arrangement of drawers
    • A47B67/02Cabinets for shaving tackle, medicines, or the like
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B81/00Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B67/00Chests; Dressing-tables; Medicine cabinets or the like; Cabinets characterised by the arrangement of drawers
    • A47B67/02Cabinets for shaving tackle, medicines, or the like
    • A47B2067/025Cabinets for shaving tackle, medicines, or the like having safety means

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Casings For Electric Apparatus (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

It describes safety cabinets that store hazardous materials such as acid bases, flammable materials, and so on. A safety cabinet comprising: an outer housing having a door at the front and comprising a plurality of outer walls; An inner housing having a plurality of inner walls forming an inner chamber for accommodating a hazardous material inside the outer housing; An air duct provided between an inner wall and a rear wall facing the inner housing and the outer housing; An outer air intake port provided at one side of the outer wall forming the air duct; And an inner air inlet formed at an inner wall of the air duct to be spaced apart from the air inlet by a predetermined distance.

Description

{Safety Storage Cabinet}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety cabinet, and more particularly, to a safety cabinet capable of protecting a container for storing an acid base material, a flammable substance, and the like, which is internally stored from external heat.

A cabinet for storing a safety cabinet used in a laboratory or the like, in particular, an acid base material or a flammable material, has an exhaust structure for discharging a dangerous substance gas generated from the inside to the outside. This exhaust structure has a structure in which the gas inside is discharged to the outside and fresh air is introduced from the outside.

In accordance with international standards, these safety cabinets must maintain the internal temperature from external flames below the natural ignition point for a certain period of time. This is because the chemical contained in the cabinet ignites at approximately 180 degrees, so the natural ignition point applied to the cabinet is 180 degrees. Such a cabinet should be maintained at a temperature lower than the natural ignition temperature for at least a predetermined time when the cabinet is exposed to external heat generated by a fire or the like.

Such a safety cabinet has a structure in which external air can be introduced into the cabinet, as described above. When a fire occurs through such an air inflow path, external heat or flame can be directly introduced into the cabinet.

The present invention provides a safety cabinet in which external heat can effectively suppress the inflow of flames.

The present invention provides a safety cabinet capable of safely protecting the inside of the apparatus from external heat or flames, thereby safely protecting dangerous materials stored therein.

A safety cabinet according to the present invention comprises:

An outer housing having a front door and including a plurality of outer walls;

An inner housing having a plurality of inner walls forming an inner chamber for accommodating a hazardous material inside the outer housing;

An air duct provided between the inner wall and the outer wall facing the inner housing and the outer housing;

An outer air intake port provided at one side of the outer wall forming the air duct; And

And an inner air intake port provided at an inner wall forming the air duct and spaced apart from the air inlet by a predetermined distance.

According to an embodiment of the present invention, the outer suction port and the inner suction port may be formed in the rear wall of the outer housing and the inner housing.

According to another embodiment of the present invention, an exhaust port for exhausting air to the outside may be provided at an upper portion of the outer housing.

According to another embodiment of the present invention, a partition wall separating the duct from the first duct and the second duct is formed between the outer housing and the rear wall of the inner housing, and the first duct and the second duct The outer suction port and the inner suction port may be spaced apart from each other by a predetermined distance in the rear wall of the outer housing and the inner housing.

According to another embodiment of the present invention, the rear wall includes a plurality of plate members arranged in parallel to each other, and the partition wall partitioning the duct may be formed by a substantially L-shaped flange portion formed on the plate member .

According to another embodiment of the present invention, a door check is coupled to the door, and a door check protecting space in which the door check is received is provided on the upper portion of the housing.

According to the present invention, the outer air intake port and the inner air intake port are formed to be shifted from each other, and an air intake duct is provided therebetween, so that flames or heat from the outside of the cabinet do not directly flow into the chamber inside the housing, So that the internal housing can block or delay the direct inflow of flame or heat to protect the internal hazardous materials.

1 is an external perspective view of a safety cabinet according to an embodiment of the present invention.
2 is a perspective view of a safety cabinet according to an embodiment of the present invention in a state in which a front door is opened.
Figure 3 schematically illustrates the back of a safety cabinet according to an embodiment of the invention.
FIG. 4 is a partial broken-away side view showing the structure of the intake duct in the rear of the cabinet in the safety cabinet according to the embodiment of the present invention.
5 is a schematic plan sectional view showing a structure for forming an intake duct in a safety cabinet according to an embodiment of the present invention.
Figure 6 is a schematic perspective view of a double-face cabinet in accordance with another embodiment of the present invention.
7 is a schematic perspective view showing a state in which a door of a double-face cabinet is opened, according to another embodiment of the present invention.
FIG. 8 illustrates an arrangement of two first and second ducts and intake ports arranged side by side on the rear side of a double door cabinet according to another embodiment of the present invention.
9 is a schematic perspective view of a spacer used in a cabinet according to the present invention.
Fig. 10 is a graph showing the temperature change in the furnace of the test body. Fig.
Fig. 11 is a photograph of the test piece before the fire resistance test.
12 is a photograph of the specimen after the fire resistance test.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made to a safety cabinet according to various embodiments of the present invention, with reference to the accompanying drawings.

FIG. 1 is a perspective view of a safety cabinet 10 of a single door type according to an embodiment of the present invention. FIG. 2 is a schematic perspective view of a safety cabinet 10 showing the inside of the chamber 121 by opening the door 20. FIG. It is a perspective view.

Referring to FIG. 1, a door-type door 20 having a handle 21 is provided at a front portion of an outer housing (body) 11 of the safety cabinet 10.

An exhaust port 30 communicating with the inside of the outer housing 11 is provided at one side of the upper surface 111 of the outer housing 11.

2 showing the inside of the safety cabinet 10, an inner housing 12 including an inner space or a heat insulating material for providing a chamber 121 is provided in the outer housing 11, 12, a multi-stage shelf 122, 122, 122 is provided. On the inner surface of the door (20), a heat insulating wall body (22) is fixed.

On the other hand, a door check protection space 13 in which a door check 50 connected to the door 20 is accommodated is provided on the upper part of the chamber 121. The door check 50 may be a fuse door check for locking the door 20 in the event of a fire. The inner end of the exhaust port 30 penetrating the upper surface 111 of the outer housing 11 is coupled to the inner chamber 121 of the inner housing 12.

Fig. 3 is a rear view of the safety cabinet 10 having an inflow structure of the outside air, Fig. 4 is a side view of the side view showing the structure of the intake ducts 14, 14a, 14b behind the cabinet 10, 5 is a schematic plan sectional view showing the formation structure of the intake duct. 3, 4 and 5 are very monotonous in order to show the structure of the intake duct 13, the outer intake ports 112 and the inner intake ports 124 at both ends thereof, in the present invention.

3 and 4, the inner partition wall 114 is provided in the central vertical direction of the back surface 112 of the cabinet 10, and intake first and second ducts 14a and 14b are formed on both sides thereof. The intake ducts 14a and 14b are provided between the rear side wall 112 of the outer housing 11 and the inner side wall 123 of the inner housing 12, A partition wall 114 is formed by a substantially L-shaped flange portion provided at a joint portion of the plate members 112a and 112b. 3 and 4, an air inlet 113 is provided on one side and the other side of the first and second ducts 14a and 14b, in this embodiment upper left and lower right, respectively. Are connected to the first and second ducts 14a and 14b, respectively. The other side of the ducts 14a and 14b is provided with an air inlet 124 communicating with the chamber 121 inside the cabinet. The first and second ducts 14a and 14b are provided by a space between the outer housing 11 and the inner housing 12. [ The air in the chamber 121 is exhausted through the exhaust port 30 provided in the upper portion of the external cabinet 11. [

The outer air intake port 112 and the inner air intake port 124 of each of the first and second ducts 14a and 14b are shifted from each other so that the air from the outside is supplied to the chamber (not shown) of the inner housing 12 121). This protects the inside of the chamber 121 by allowing external flames or hot air to pass through the primary first and second ducts 14a and 14b during an external fire. Advantages according to the features of the present invention can be summarized as follows.

In the event of a fire, hot flame vapors tend to rise to the top. In this case, the intake vents located in the upper rear of the cabinet are more likely to be exposed to flame vapor, but flame vapors that pass through it must descend through the rear duct to enter the cabinet interior system. In this process, a resistance against the air flow is generated, and therefore, the effect of hindering the entry of the hot flame air into the inside is exhibited. Further, in the case of the air intake port located in the lower rear portion of the cabinet, the probability of exposure to the flame vapor is low. Unless the rear of the actual cabinet is entirely enclosed by the flame, there is less likelihood of entering the interior through the relatively lower intake port.

In such a structure, by dividing both air inlets, the expected heat transfer level can be lowered according to the fire situation when a fire occurs.

Such a structure of the present invention is advantageous in that no additional process is required because it can be constructed using a bent surface for assembling the cabinet outer wall body.

As in the conventional structure, a thermal expansion filter for closing the interior of the inside of the outside air inlet 113, the inside air inlet 124, and the air outlet 30 may be installed inside the chamber 121 And the primary ducts 14a and 14b are passed through without passing directly into the chamber 121, thereby ensuring a sufficient space for completely closing the chamber 121 from the outside by expanding the thermal expansion filter sufficiently.

When a fire occurs from the outside, for example, when the front door is open, the door check is melted by the heat, so that the front of the chamber is closed by the operation of the door check and the outside air inlet and the inside And is blocked by the thermal expansion filter of the intake port. In this process, before the thermal expansion filter sufficiently inflates, outdoor air or flame is prevented from being directly introduced into the inner chamber by the intake structure according to the feature of the present invention as described above.

Figure 6 is a schematic perspective view of a double-face cabinet as a twin-door type.

On the front portion of the outer housing (body) 11 of the safety cabinet 10, there is provided a single hinged door 20 having a handle 21 on both sides thereof. An exhaust port 30 connected to the inner chamber is provided at the upper center of the outer housing 11.

122 and 122 are provided on the inner side of the inner housing 12. The inner housing 12 is provided with an inner space or an inner heat insulating material for providing the chamber 121 in the outer housing 11, Respectively. A door check protection space 13 is provided at an upper portion of the chamber 121 to receive a door check 50 connected to the door 20. The door check 30 may be a fuse door check for locking the door 20 in the event of a fire. Further, a heat insulating wall body 22 is fixed to the inner side surface of the door 20. As shown in Fig. 7, in the inner wall 123 of the inner chamber 121, the left suction holes 124 and the left suction holes 124 are arranged diagonally to each other in the left-upper portion and the right-lower portion. A thermal expansion filter (not shown) expands by heat is provided in the inside suction ports 124, 124. Each of these inner suction ports 124, 124 is connected to an independent suction (air distribution) duct provided by a space between the inner cabinet 12 and the outer cabinet 11. [

8 shows the arrangement of the first and second ducts 14a and 14a and the inner air inlet port 124 and the inner air inlet 113 communicating with the first and second ducts 14a and 14a on the rear side of the cabinet 10. [ Referring to FIG. 8, the cabinet 10 is provided with two ducts 14a and 14b which are separated from each other by a partition wall 114 at the rear. These are formed by two vertical partitions 114 (see FIG. 4) formed in the substantially L-shaped joints of the three rear plates 112a, 112b, 112c constituting the rear side 112 of the cabinet 10 .

The first and second ducts 14a and 14b are formed on the right side of the right vertical partition wall 114 and the left side of the left vertical partition wall 114. Outer air inlets 112 and 112 and inner air inlets 124 and 124 Lt; / RTI > As shown in Fig. 9 for retaining the gap between the outer wall 112 of the outer housing 12 and the inner wall of the inner housing, the first and second ducts 14a and 14b are provided with L- A plurality of spacers 115 are arranged.

The detailed structure of the outer housing 11 and the inner housing 12 is not specifically described in the description of the above embodiments. This means that the present invention is applicable to various types of cabinet structures in which the outer suction port and the inner suction port are formed to be shifted from each other and the two suction ports are connected through the middle intake duct. Further, although it has been described above that two ducts are provided for one cabinet as described above, according to another embodiment of the present invention, one duct, one outer inlet port and one inner inlet port may be provided at both ends thereof.

Here, the outer air intake port and the inner air intake port may be one large through-hole or a collection of a plurality of small through-holes. Further, the intake port may be provided at one or a plurality of locations with respect to one duct.

The safety cabinet according to the present invention having the above structure can safely store various kinds of dangerous substances, for example, acid base materials or flammable materials.

The safety cabinet according to the present invention has been tested by Korea Institute of Construction & Living Environment Test. The data are as follows.

The test report number is CT15-038189, which was conducted on three flame resistant (safety) cabinets according to the present invention.

As a result, the following results were obtained.

Test Items Test result Test Methods Fire resistance 120 minutes Maximum temperature (℃) 282.3 KS G 4500: 2006 (Requested by the client) ※ Heating temperature of test specimen: It was heated by the heating temperature curve specified in 5.1.1 of BS EN 1363-1: 1999.
※ At the request of the client, the test was finished 41 minutes and 10 seconds after the start of the test. The test result is the result of 41 minutes 10 seconds.
※ Composition and Material of Test Specimen (Presented to the client):

The conditions of the fire test under the above test conditions are shown in the following table.

division Contents division Contents Exam date March 31, 2015 Furnace temperature 3) Refer to the furnace temperature of the specimen Curing condition Client Jesse-Giung Cure Test environment Temperature: (13-14) ° C, Humidity: (86-93)% RH

10 is a graph showing changes in the temperature of the test object in the furnace, and the table below shows changes in the furnace temperature (standard temperature and actual temperature) and the error thereof.

Figure 112015069643738-pat00001

Table 4 below shows the temperature change of the internal thermocouple of the test body.

Figure 112015069643738-pat00002

Tables 4 and 5 below show the temperature changes from channel 1 to channel 14 (CH1 to CH25) of the internal thermocouple of the test body. Here, CH1 to 14 represent the double-face cabinet, and CH15-27 represents the cabinet for the short-form.

Figure 112015069643738-pat00003

Figure 112015069643738-pat00004

Figure 112015069643738-pat00005

Figure 112015069643738-pat00006

Through the above tests, it was found that the safety cabinet according to the present invention can safely protect the internal hazardous materials from the flame for a certain period of time.

As described above, the present invention is not limited to the above-described embodiment, and it is needless to say that variations can be made by those skilled in the art without departing from the spirit of the present invention.

Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.

10: Cabinet
11: outer housing
114:
12: inner housing
121: chamber
122: Shelf
123: chamber
13: Door check protection space
14, 14a, 14b: duct
20: Door
21: Handle
22: Insulation wall
30: Exhaust
50: Door check

Claims (5)

An outer housing having a front door and including a plurality of outer walls;
An inner housing having a plurality of inner walls forming an inner chamber for accommodating a hazardous material inside the outer housing;
An air duct provided between an inner wall and a rear wall facing the inner housing and the outer housing;
An outer air intake port provided at one side of the outer wall forming the air duct; And
And an inner air inlet port provided on the inner wall forming the air duct and spaced apart from the outer air inlet port by a predetermined distance,
A partition wall is formed between the outer housing and the rear wall of the inner housing to divide the duct into a first duct and a second duct. The first duct and the second duct are respectively provided with the outer and inner housings, Wherein an outer air intake port and an inner air intake port are formed on the rear side wall and the inner side wall, respectively, so as to be spaced apart from each other by a predetermined distance.
The method according to claim 1,
Wherein the outer air intake port and the inner air intake port are formed in a rear wall of the outer housing and the inner housing.
The method according to claim 1,
And an exhaust port for exhausting air to the outside is provided on an upper portion of the outer housing.
delete The method according to claim 1,
Wherein the rear wall includes a plurality of plate members disposed in parallel with each other, and a partition wall for carrying the duct is formed by a substantially L-shaped flange portion formed on the plate member.
KR1020150101992A 2015-07-17 2015-07-17 Safety Storage Cabinet KR101605164B1 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108713904A (en) * 2018-05-31 2018-10-30 江苏中远环保科技有限公司 Dangerous articles storing compartment
KR20190083240A (en) * 2018-01-03 2019-07-11 주식회사 제이오텍 Safety Storage Cabinet
KR102008327B1 (en) * 2019-01-07 2019-08-07 이대채 Switchgear box for fire protection
KR102086842B1 (en) * 2018-10-22 2020-03-10 현대이엔티 주식회사 A fire spread prevention device for ESS battery racks
KR20220145012A (en) 2021-04-21 2022-10-28 윤석봉 Safety cabinet
KR20220163026A (en) 2021-06-02 2022-12-09 (주)지오필테크 Flammable safety cabinet with filter that eliminates odor and harmful gases
KR102666319B1 (en) 2023-10-31 2024-05-16 (주)지오필테크 Safety cabinet with heat-resistant structural shelves
KR102666318B1 (en) 2023-10-31 2024-05-16 (주)지오필테크 Safety cabinet enhanced thermal insulation and explosion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100662019B1 (en) * 2006-09-29 2006-12-27 (주)에스엔에스 A assembles duplication cabinet
KR100821612B1 (en) 2008-01-08 2008-04-16 삼인싸이언스(주) A knockdown ventilative reagent cabinet
US20100171400A1 (en) 2006-12-01 2010-07-08 Hill Dennis Mason Equipment cabinet with a ventilation system
KR101343348B1 (en) * 2011-07-22 2013-12-19 주식회사 제이오텍 Cabinet system for keeping reagent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100662019B1 (en) * 2006-09-29 2006-12-27 (주)에스엔에스 A assembles duplication cabinet
US20100171400A1 (en) 2006-12-01 2010-07-08 Hill Dennis Mason Equipment cabinet with a ventilation system
KR100821612B1 (en) 2008-01-08 2008-04-16 삼인싸이언스(주) A knockdown ventilative reagent cabinet
KR101343348B1 (en) * 2011-07-22 2013-12-19 주식회사 제이오텍 Cabinet system for keeping reagent

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110662607B (en) * 2018-01-03 2021-10-29 韩国杰奥特有限公司 Safety cabinet
KR20190083240A (en) * 2018-01-03 2019-07-11 주식회사 제이오텍 Safety Storage Cabinet
WO2019135456A1 (en) * 2018-01-03 2019-07-11 주식회사 제이오텍 Safety cabinet
KR102004356B1 (en) * 2018-01-03 2019-10-01 주식회사 제이오텍 Safety Storage Cabinet
CN110662607A (en) * 2018-01-03 2020-01-07 韩国杰奥特有限公司 Safety cabinet
CN108713904A (en) * 2018-05-31 2018-10-30 江苏中远环保科技有限公司 Dangerous articles storing compartment
KR102086842B1 (en) * 2018-10-22 2020-03-10 현대이엔티 주식회사 A fire spread prevention device for ESS battery racks
KR102008327B1 (en) * 2019-01-07 2019-08-07 이대채 Switchgear box for fire protection
KR20220145012A (en) 2021-04-21 2022-10-28 윤석봉 Safety cabinet
KR102485104B1 (en) 2021-04-21 2023-01-04 윤석봉 Safety cabinet
KR20220163026A (en) 2021-06-02 2022-12-09 (주)지오필테크 Flammable safety cabinet with filter that eliminates odor and harmful gases
KR102666319B1 (en) 2023-10-31 2024-05-16 (주)지오필테크 Safety cabinet with heat-resistant structural shelves
KR102666318B1 (en) 2023-10-31 2024-05-16 (주)지오필테크 Safety cabinet enhanced thermal insulation and explosion

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