CN215312428U - Laboratory hazardous chemical cabinet - Google Patents
Laboratory hazardous chemical cabinet Download PDFInfo
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- CN215312428U CN215312428U CN202120866035.9U CN202120866035U CN215312428U CN 215312428 U CN215312428 U CN 215312428U CN 202120866035 U CN202120866035 U CN 202120866035U CN 215312428 U CN215312428 U CN 215312428U
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Abstract
The utility model discloses a laboratory hazardous chemical cabinet which comprises a cabinet body, wherein a rotary door body is arranged on the front surface of the cabinet body, a vertical partition plate is arranged inside the cabinet body, and the vertical partition plate divides the inner space of the cabinet body into a storage area and a functional area; a plurality of placing plates are arranged in the storage area in an up-down parallel manner; a temperature sensor, a humidity sensor, a Volatile Organic Compounds (VOCs) sensor and a control device are arranged in the functional area; a temperature online alarm, a humidity online alarm and a VOCs online alarm are arranged outside one side of the cabinet body close to the functional zone; the vertical partition plate and the placing plate are hollow plates; and a waste gas outlet is arranged on the back panel of the cabinet body and is connected with a waste gas outlet pipe. The utility model can carry out real-time online monitoring on the temperature, the humidity and the VOCs environment in the hazardous chemical cabinet, so that the hazardous chemical stored in the cabinet is in a strict environmental condition, the performance of the hazardous chemical is prevented from changing, and the temporary storage and the use safety of the hazardous chemical are ensured.
Description
Technical Field
The utility model relates to the field of laboratory articles, in particular to a hazardous chemical cabinet for a laboratory.
Background
In order to strengthen the safety management of dangerous chemicals, ensure the smooth progress of teaching and scientific research, ensure the safety of life and property of scientific research personnel and protect the environment, the state institute establishes the regulations on the safety management of dangerous chemicals. Wherein, the management range of dangerous chemical: including explosives, compressed and liquefied gases, flammable liquids, flammable solids, pyrophoric and wetable combustibles, oxidizers and organic peroxides, poisons and corrosives, radioisotopes, and the like.
The hazardous chemical substance cabinet is a special storage cabinet body for hazardous chemical substances, and various potential safety hazard problems caused by the hazardous chemical substances are reduced to a great extent. However, the existing hazardous chemical cabinet has a single structure, mostly only achieves the purpose of storing hazardous chemical substances, and does not have the function of monitoring environmental conditions such as temperature, humidity and VOCs (volatile organic chemicals) in the hazardous chemical cabinet in real time; and current danger article cabinet is mostly airtight environment, when depositing volatile danger article, can lead to harmful gas content such as organic, inorganic waste gas higher in the cabinet, when waiting the staff to open the cabinet door once more, the peculiar smell is heavier, pollutes the laboratory environment, and direct influence is healthy.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem, the utility model provides a laboratory hazardous chemical cabinet.
The technical solution adopted by the utility model is as follows:
a laboratory hazardous chemical cabinet comprises a cabinet body, wherein a rotary door body is arranged on the front side of the cabinet body, a vertical partition plate is arranged inside the cabinet body, and the vertical partition plate divides the inner space of the cabinet body into a storage area and a functional area;
a plurality of placing plates are arranged in the storage area in an up-down parallel manner;
a temperature sensor, a humidity sensor, a VOCs sensor and a control device are arranged in the functional area, and the temperature sensor, the humidity sensor and the VOCs sensor are all connected with the control device; a temperature alarm, a humidity alarm and a VOCs alarm are arranged outside one side of the cabinet body close to the functional area, and the control device is respectively connected with the temperature alarm, the humidity alarm and the VOCs alarm;
the vertical partition plate and the placing plate are hollow plates;
and a waste gas outlet is arranged on the back panel of the cabinet body and is connected with a waste gas outlet pipe.
Above-mentioned controlling means can be when temperature sensor, humidity transducer and VOCs sensor measured temperature, humidity and VOCs gas content value be less than or be higher than the settlement scope, give corresponding temperature alarm, humidity alarm and VOCs alarm and send signal, and the control alarm carries out audible-visual alarm. Of course, the control device can also further send signals to the mobile phone to realize real-time monitoring. Further, the control device may be specifically configured as follows: when the temperature, the humidity and the VOCs are at normal values, displaying green; displaying yellow and early warning on line when the temperature, the humidity and the VOCs are at potential dangerous values; when the temperature, the humidity and the VOCs are at dangerous values, the red color is displayed, and the audible and visual alarm and the online alarm are carried out.
Preferably, the two sides of the placing plate are provided with sliding blocks, and sliding grooves matched with the sliding blocks are formed in the inner part of one side, far away from the functional area, of the cabinet body and the vertical partition plate at intervals up and down;
the three placing plates are respectively a first placing plate, a second placing plate and a third placing plate from top to bottom, and the distance between the first placing plate and the second placing plate is smaller than the distance between the second placing plate and the third placing plate;
a plurality of placing grooves are arranged on each placing plate at intervals.
Preferably, the center of the rotating door body is provided with laminated tempered perspective glass convenient for observing the medicine storage condition in the cabinet body, and the thickness of the laminated tempered perspective glass is 1-2 cm.
Preferably, a two-dimensional code which is convenient for checking the medicine condition in the cabinet and using the content needing to be known is arranged at one corner of the outer side of the rotating door body.
Preferably, the temperature sensor, the humidity sensor and the VOCs sensor are all installed on a fixing plate, the fixing plate is arranged at the center of the functional area, and the control device is arranged below the fixing plate.
Preferably, still be provided with heating collar and metal blade in the back panel center department of the cabinet body, the control switch of heating collar and metal blade also is connected with controlling means, exhaust gas exports the below that is located the heating collar, adopts down convulsions mode. The utility model uses a downdraft arrangement because many harmful inorganic or organic gases are heavier than air, such as HNO3·H2O、HF·H2O、HCl·H2O gas, benzene vapor, etc., which may accumulate at the bottom of the cabinet.
Preferably, the four corners at the bottom of the cabinet body are provided with rollers which facilitate the movement of the cabinet body.
Preferably, the temperature alarm, the humidity alarm and the VOCs alarm are acoustic-optical alarms or real-time online alarms, and are in real-time communication connection with communication equipment such as mobile phones, so that alarm signals can be automatically checked at terminals such as mobile phones for real-time monitoring.
Preferably, the height of the cabinet body is 1-1.8 meters.
The beneficial technical effects of the utility model are as follows:
the utility model can monitor the temperature, the humidity and the VOCs environment in the hazardous chemical cabinet in real time, thereby ensuring that the hazardous chemical stored in the hazardous chemical cabinet is in a strict environmental condition and preventing the performance of the hazardous chemical from changing. If the freezing point of the glacial acetic acid is 16.6 ℃, the glacial acetic acid is colorless crystals after solidification, the aqueous solution of the glacial acetic acid is weak in acidity and strong in corrosivity, steam has an irritant effect on eyes and nose, and once the temperature of the hazardous chemical cabinet is far lower than the freezing point temperature of the glacial acetic acid for a long time, the glacial acetic acid is solidified and expanded, the glass reagent bottle can be broken. As another example, ether boiling point of 34.5 deg.C, if the local overheating exceeds the ether boiling point for a long time, the ether reagent bottle will expand and crack and the ether will evaporate. And if medicines needing to be stored in a dry state are stored in the cabinet body, the humidity condition needs to be strictly controlled.
The utility model can also monitor the content of organic waste gas in the hazardous chemical cabinet in real time, and when the content of organic waste gas in the cabinet is higher, the organic waste gas can be actively discharged outdoors through the waste gas outlet and the waste gas outlet pipe on the back of the cabinet body, thereby being beneficial to the safety of experimenters.
The internal space of the cabinet body is partitioned, the structural layout is reasonable, the cabinet is neat and attractive, the placing plates are convenient to install in a mode that the sliding blocks are matched with the sliding grooves, and the distance between the upper placing plate and the lower placing plate can be changed, so that the cabinet is suitable for placing chemical medicine bottles with different heights; in addition, still be provided with a plurality of recesses of placing on placing the board, container bottoms such as medicine bottle can be in places the recess, and is more firm, is difficult to appear empting the scheduling problem.
According to the utility model, the laminated tempered transparent glass with the thickness of 1-2 cm is arranged at the center of the rotating door body, so that the interior condition of the cabinet body can be conveniently checked while explosion prevention is realized.
According to the utility model, the two-dimensional code is arranged at one corner of the rotating door body, and the two-dimensional code can integrate the medicine condition information, the use need and knowledge and other contents in the cabinet, so that the medicine management and the training and examination of users are facilitated.
According to the utility model, the heating ring and the metal blades are arranged in the cabinet body, so that the heating function can be started when the temperature is lower than a specified temperature, and the cabinet body can keep constant temperature in cold winter.
According to the utility model, the four rollers are arranged on the bottom surface of the cabinet body, so that the cabinet body is convenient to move and fix.
The utility model can ensure the temporary storage and the use safety of the hazardous chemical substances on the whole, and can ensure that the laboratory personnel can utilize the hazardous chemical substance cabinet more conveniently, safely and normatively.
Drawings
The utility model will be further described with reference to the following detailed description and drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a front view structural principle of the cabinet body in the utility model;
FIG. 3 is a schematic view of the exterior structure of the cabinet door of the present invention;
FIG. 4 is a side exterior view of the cabinet of the present invention;
FIG. 5 is a schematic view of the structure of the placement board of the present invention;
FIG. 6 is a sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic view of the structure of the vertical partition in the present invention;
fig. 8 is a schematic diagram of the connection of each sensor and the control device in the present invention.
Detailed Description
Combine the figure, a laboratory dangerization article cabinet, including the cabinet body 1, be provided with the rotation door body 2 in the front of the cabinet body 1, be provided with vertical baffle 3 in the inside of the cabinet body 1, vertical baffle 3 separates into storing district 101 and functional area 102 with the inner space of the cabinet body. A plurality of placement plates are arranged in parallel up and down in the storage area 101. A temperature sensor 4, a humidity sensor 5, a VOCs sensor 6 and a control device 7 are arranged in the functional area 102, and the temperature sensor 4, the humidity sensor 5 and the VOCs sensor 6 are all connected with the control device 7. The cabinet body 1 is provided with a temperature online alarm 8, a humidity online alarm 9 and a VOCs online alarm 10 outside one side close to the functional area, and the control device 7 is connected with the temperature online alarm 8, the humidity online alarm 9 and the VOCs online alarm 10 respectively. The vertical partition plates 3 and the placing plates are hollow plates. An exhaust gas outlet 11 is arranged on the back panel of the cabinet body 1, and the exhaust gas outlet 11 is connected with an exhaust gas outlet pipe.
The utility model can monitor the temperature and humidity environment in the hazardous chemical cabinet in real time, thereby ensuring that the hazardous chemical stored in the hazardous chemical cabinet is in a strict environmental condition and preventing the performance of the hazardous chemical from changing. Through the setting of temperature sensor etc. can all report to the police online when the temperature is higher than or is less than the settlement temperature, ensure that the internal portion of cabinet is in suitable temperature. If the freezing point of the glacial acetic acid is 16.6 ℃, the glacial acetic acid is colorless crystals after solidification, the aqueous solution of the glacial acetic acid is weak in acidity and strong in corrosivity, steam has an irritant effect on eyes and nose, and once the temperature of the hazardous chemical cabinet is too low, the glacial acetic acid is solidified and expands, the glass reagent bottle can be broken. And the boiling point of the ether is 34.5 ℃, and the ether reagent bottle expands and cracks due to local long-term overheating. And if medicines needing to be stored in a dry state are stored in the cabinet body, the humidity condition needs to be strictly controlled. The humidity online alarm is favorable for reminding of humidity change and timely adjusting the humidity environment of the medicine cabinet. The utility model can also monitor the content of the organic waste gas in the hazardous chemical cabinet in real time, and timely alarm on line if the concentration of the volatile organic compounds is too high, thereby being beneficial to the pre-protection of experimenters. And when the content of organic waste gas in the cabinet is high, the organic waste gas can be actively discharged through a waste gas outlet and a waste gas outlet pipe on the back of the cabinet body. Many dangerous chemicals volatilize harmful gas, and after various harmful gas mix, toxicity increases, in time derives produced waste gas, is favorable to protecting the laboratory environment, guarantees that the laboratory staff's is healthy to breathe.
As a further design of the utility model, the two sides of the placing plate are provided with sliding blocks 12, and the inside of one side of the cabinet body far away from the functional area and the vertical partition plate are both provided with sliding grooves 13 which are matched with the sliding blocks at intervals up and down. The placing plate adopts a mode of matching the sliding block with the sliding groove, and the installation is convenient.
Further, the placing plates are provided with three pieces, namely a first placing plate 14, a second placing plate 15 and a third placing plate 16 from top to bottom, and the distance between the first placing plate 14 and the second placing plate 15 is smaller than the distance between the second placing plate 15 and the third placing plate 16. Through the distance change between the adjacent board of placing from top to bottom, applicable in the placing of not co-altitude chemicals medicine bottle etc.. In addition, still the interval is provided with a plurality of recesses 17 of placing on every places the board for container bottoms such as medicine bottle can be in and place the recess, and is more firm, is difficult to appear empting the scheduling problem.
Furthermore, the center of the rotating door body 2 is provided with laminated tempered perspective glass 18 which is convenient for observing the inside of the cabinet body, and the thickness of the laminated tempered perspective glass 18 is 1-2 cm. The laminated tempered perspective glass 18 not only facilitates the staff to check the internal condition of the cabinet body, but also has an explosion-proof effect.
Furthermore, a two-dimensional code 19 which is convenient for checking the medicine condition and the content of using needs to know and the like in the cabinet is arranged at one corner of the outer side of the rotating door body 2, so that strict management of the medicine and training and examination of users are facilitated. For example, the following settings can be carried out, wherein the setting is carried out without training, qualification examination and approval of experimenters, and the permission of using hazardous chemicals is avoided. After the code is scanned, the user is simply trained and checked, particularly the training and checking of specific medicines, so that the dangerous chemical cabinet with certain permission can be opened. The method is favorable for reminding the experimenter to update the related safety knowledge and make up the related security consciousness loophole. Ensure the safety of temporary storage of hazardous chemical substances and users.
Training and examination are the key ring for ensuring safe operation. Training includes text, audio, or short video introduction methods of use. The corresponding safety knowledge found on the network is not suitable for the convenient learning of specific medicines. As mentioned on some famous encyclopedia website, the two hydrogen ions of sulfuric acid are completely ionized. The hydrogen ion concentration of 1M sulfuric acid was 2M. This is a wrong knowledge point but is widely spread. In practice, sulfuric acid is a dibasic acid, but the strong monobasic acid, sulfuric acid, has 100% primary ionization and 1% secondary ionization. The hydrogen ion concentration of 1M sulfuric acid is 1M. The hydrogen ion concentration of 2M sulfuric acid was 2M.
Further, temperature sensor 4, humidity transducer 5 and VOCs sensor 6 all install on fixed plate 20, and fixed plate 20 arranges the center at the functional area, controlling means 7 sets up in the below of fixed plate, combines the space subregion, and overall structure is rationally distributed, and is neat and artistic.
Further, a heating ring 21 and metal blades are further arranged at the center of the back panel of the cabinet body 1, the heating ring is installed right in front of the metal blades, control switches of the heating ring 21 and the metal blades are also connected with the control device 7, and the control device 7 controls the heating ring 21 to be started and closed. Through the setting of heating collar 21, can open the heating function when the cabinet body is inside to be less than appointed temperature, let the cabinet body keep the constant temperature when cold winter.
Further, the exhaust gas outlet 11 is disposed at the bottom of the back panel of the cabinet, and the exhaust gas outlet 11 may be disposed in a plurality of numbers, such as 3 or 4, and disposed at the bottom of the back panelThe sections are arranged at intervals. Be provided with miniwatt (like 10W) air exhauster etc. on the waste gas eduction tube, the air exhauster also can be connected with controlling means, can monitor when the gaseous concentration of the internal VOCs of cabinet is higher than the setting value at the VOCs sensor like this, starts the air exhauster and derives waste gas. The exhaust gas outlet 11 is arranged at the bottom of the back panel of the cabinet body, namely, a downdraft arrangement mode is adopted, because many harmful inorganic or organic gases are heavier than air, such as HNO3·H2O、HF·H2O、HCl·H2O gas, benzene vapor, etc., which may accumulate at the bottom of the cabinet.
Furthermore, the four corners at the bottom of the cabinet body are provided with the rollers 22, so that the hazardous chemical cabinet is convenient to move. The hazardous chemical cabinet is made by thick metal level, puts a great deal of medicine in, and is whole heavier, sets up the gyro wheel and does benefit to removal and fixed. Particularly, two universal wheels and two directional wheels can be arranged, and the universal wheels are provided with brake fixing devices, so that the cabinet body can be conveniently moved and fixed.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
It is intended that any equivalents, or obvious variations, which may be made by those skilled in the art in light of the teachings herein, be considered within the scope of the present invention.
Claims (8)
1. The utility model provides a laboratory hazardous chemicals cabinet which characterized in that: the multifunctional wardrobe comprises a wardrobe body, wherein a rotating door body is arranged on the front side of the wardrobe body, a vertical partition plate is arranged inside the wardrobe body, and the vertical partition plate divides the inner space of the wardrobe body into a storage area and a functional area;
a plurality of placing plates are arranged in the storage area in an up-down parallel manner;
a temperature sensor, a humidity sensor, a VOCs sensor and a control device are arranged in the functional area, and the temperature sensor, the humidity sensor and the VOCs sensor are all connected with the control device; a temperature alarm, a humidity alarm and a VOCs alarm are arranged outside one side of the cabinet body close to the functional area, and the control device is respectively connected with the temperature alarm, the humidity alarm and the VOCs alarm;
the vertical partition plate and the placing plate are hollow plates;
and a waste gas outlet is arranged on the back panel of the cabinet body and is connected with a waste gas outlet pipe.
2. The laboratory hazardous chemical cabinet according to claim 1, wherein: sliding blocks are arranged on two sides of the placing plate, and sliding grooves matched with the sliding blocks are arranged in the cabinet body and on the vertical partition plate at intervals up and down;
the three placing plates are respectively a first placing plate, a second placing plate and a third placing plate from top to bottom, and the distance between the first placing plate and the second placing plate is smaller than the distance between the second placing plate and the third placing plate;
a plurality of placing grooves are arranged on each placing plate at intervals.
3. The laboratory hazardous chemical cabinet according to claim 1, wherein: the center of the rotating door body is provided with laminated tempered perspective glass convenient for observing the medicine storage condition in the cabinet body, and the thickness of the laminated tempered perspective glass is 1-2 cm.
4. The laboratory hazardous chemical cabinet according to claim 1, wherein: and a two-dimensional code which is convenient for checking the medicine condition in the cabinet and using the content needing to be known is arranged at one corner of the outer side of the rotating door body.
5. The laboratory hazardous chemical cabinet according to claim 1, wherein: temperature sensor, humidity transducer and VOCs sensor all install on the fixed plate, and the fixed plate is arranged at the center of functional area, controlling means sets up in the below of fixed plate.
6. The laboratory hazardous chemical cabinet according to claim 1, wherein: the back panel center department at the cabinet body still is provided with heating ring and metal blade, and heating ring and metal blade's control switch also is connected with controlling means, the waste gas export is located the below of heating ring.
7. The laboratory hazardous chemical cabinet according to claim 1, wherein: the four corners at the bottom of the cabinet body are provided with idler wheels which are convenient for the cabinet body to move and fix.
8. The laboratory hazardous chemical cabinet according to claim 1, wherein: the temperature alarm, the humidity alarm and the VOCs alarm are audible and visual alarms or real-time online alarms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120866035.9U CN215312428U (en) | 2021-04-25 | 2021-04-25 | Laboratory hazardous chemical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120866035.9U CN215312428U (en) | 2021-04-25 | 2021-04-25 | Laboratory hazardous chemical cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN215312428U true CN215312428U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120866035.9U Active CN215312428U (en) | 2021-04-25 | 2021-04-25 | Laboratory hazardous chemical cabinet |
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| CN (1) | CN215312428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070104A (en) * | 2021-04-25 | 2021-07-06 | 山东龙腾天实验室科技有限公司 | Laboratory hazardous chemical cabinet |
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2021
- 2021-04-25 CN CN202120866035.9U patent/CN215312428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070104A (en) * | 2021-04-25 | 2021-07-06 | 山东龙腾天实验室科技有限公司 | Laboratory hazardous chemical cabinet |
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