CN218131956U - Sampling isolation device for harmful substances - Google Patents
Sampling isolation device for harmful substances Download PDFInfo
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- CN218131956U CN218131956U CN202222720299.0U CN202222720299U CN218131956U CN 218131956 U CN218131956 U CN 218131956U CN 202222720299 U CN202222720299 U CN 202222720299U CN 218131956 U CN218131956 U CN 218131956U
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Abstract
The utility model relates to an isolated device of harmful substance's sample belongs to laboratory analysis technical field, include: an isolation cabinet for isolating an operator from harmful gas; the two operation ports are arranged on the side surface of the isolation cabinet and are used for enabling an operator to put hands into the isolation cabinet for operation and sampling; the evacuation exhaust device is arranged at the upper part of the isolation cabinet and is communicated with the isolation cabinet, and the evacuation exhaust device is used for extracting harmful gas in the isolation cabinet during sampling; and the gas purification device is arranged at the exhaust port at the tail part of the evacuation exhaust device and is used for purifying and absorbing harmful gas exhausted by the evacuation exhaust device. The utility model discloses can ensure operator's personal safety to make the operator can make things convenient for directly to carry out sample analysis to harmful substance fast.
Description
Technical Field
The utility model relates to a laboratory analysis technical field, in particular to harmful substance's isolated device of sample.
Background
Harmful chemical substances in a laboratory are visible everywhere and are contacted by experimenters every day, various chemical substances have respective chemical properties, toxicology and the like, and all tools and the like are utilized as well as possible in the laboratory to avoid direct contact with the toxic chemical substances.
At present, harmful chemical substances can be introduced into an analysis instrument for analysis by using the existing liquid sample injection equipment. However, the existing liquid sample injection equipment is not only expensive, but also has a residual harmful substance after each analysis, which not only needs to spend a lot of time to clean, but also affects the service life of the liquid sample injection equipment.
Therefore, in view of the above disadvantages, it is desirable to provide a new sampling isolation device for harmful substances.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved technical problem of the utility model is how to sample harmful substance fast and safely.
(II) technical scheme
In order to solve the technical problem, the utility model provides an isolated device of harmful substance's sample, include:
an isolation cabinet for isolating an operator from harmful gas;
the two operation ports are arranged on the side surface of the isolation cabinet and are used for enabling an operator to stretch hands into the isolation cabinet for operation sampling;
the evacuation exhaust device is arranged at the upper part of the isolation cabinet and is communicated with the isolation cabinet, and the evacuation exhaust device is used for extracting harmful gas in the isolation cabinet during sampling;
and the gas purification device is arranged at the exhaust port at the tail part of the evacuation exhaust device and is used for purifying and absorbing harmful gas exhausted by the evacuation exhaust device.
Preferably, the method further comprises the following steps: and the sampling platform is arranged inside the isolation cabinet.
Preferably, the method further comprises the following steps: the sampling device is placed inside the isolation cabinet and used for sampling operation.
Preferably, the insulated cabinet comprises: and the transportation port is arranged on the side surface of the isolation cabinet and is used for transporting or replacing equipment required by sampling to the isolation cabinet.
Preferably, each of the operation ports includes: the elastic isolating piece covers the operation opening, an elastic opening enabling an operator to insert a hand is formed in the center of the elastic isolating piece, and the elastic isolating piece is used for preventing harmful gas from flowing out of the operation opening.
Preferably, the evacuation exhaust apparatus includes:
the exhaust pipeline is arranged at the upper part of the isolation cabinet and is communicated with the isolation cabinet;
and the exhaust fan is arranged at the tail part of the exhaust pipeline and used for pumping harmful gas into the exhaust pipeline from the isolation cabinet.
Preferably, the gas purification device is provided with a recovery liquid, the recovery liquid is arranged at an exhaust port at the tail part of the evacuation exhaust device, and the recovery liquid is used for recovering harmful gas exhausted by the evacuation exhaust device.
Preferably, the gas purification device is further provided with gas activated carbon, and the gas activated carbon is arranged at the upper part of the recovery liquid and is used for adsorbing a part of harmful gas before the recovery liquid.
(III) advantageous effects
The above technical scheme of the utility model has following advantage: utilize the isolation cabinet to completely cut off operator and harmful gas, make the operator carry out sample analysis to harmful substance through the operation mouth to utilize evacuation exhaust apparatus and gas purification device to take out and purify the harmful gas that harmful substance volatilizees from the isolation cabinet. Therefore, the scheme can ensure the personal safety of an operator, so that the operator can conveniently and rapidly and directly sample and analyze the harmful substances.
Drawings
Fig. 1 is a schematic structural view of a sampling isolation device for harmful substances according to an embodiment of the present invention.
In the figure:
1. an isolation cabinet;
2. an operation port;
3. evacuating the exhaust apparatus; 31. an exhaust duct; 32. an exhaust fan;
4. a gas purification device; 41. recovering the liquid; 42. a gaseous activated carbon;
5. a sampling stage;
6. a sampling device;
7. an analytical instrument;
8. a liquid label bottle;
9. and (4) controlling the valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present invention are used in the angle shown in the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element through intervening elements.
As mentioned above, in the prior art, harmful chemicals are introduced into the analyzer for analysis by using the existing liquid sample injection equipment. However, the existing liquid sample injection equipment is not only expensive, but also has a residual harmful substance after each analysis, which not only needs to spend a lot of time to clean, but also affects the service life of the liquid sample injection equipment.
In order to solve the above problems, it is considered that the operator directly samples the sample and then manually puts the sample into the analysis instrument, which is more convenient and faster, and the sample can be analyzed in the ventilated isolation cabinet 1 in order to protect the operator from being damaged by the volatile gas of the harmful substances. Therefore, the method is convenient and fast, and can also ensure the safety of operators.
As shown in fig. 1, the utility model provides an isolated device of sampling of harmful substance, include:
an isolation cabinet 1 for isolating an operator from harmful gas;
the two operation ports 2 are arranged on the side surface of the isolation cabinet 1, and the operation ports 2 are used for enabling an operator to stretch hands into the isolation cabinet 1 for operation and sampling;
the evacuation exhaust device 3 is arranged at the upper part of the isolation cabinet 1 and is communicated with the isolation cabinet 1, and the evacuation exhaust device 3 is used for extracting harmful gas in the isolation cabinet 1 during sampling;
and the gas purification device 4 is arranged at the tail exhaust port of the evacuation exhaust device 3, and the gas purification device 4 is used for purifying and absorbing the harmful gas exhausted by the evacuation exhaust device 3.
In the embodiment of the invention, an isolation cabinet 1 is used for isolating an operator from harmful gas, so that the operator can sample and analyze the harmful substance through an operation port 2, and an evacuating exhaust device 3 and a gas purification device 4 are used for evacuating and purifying the harmful gas volatilized from the harmful substance from the isolation cabinet 1. Therefore, the scheme can ensure the personal safety of an operator, so that the operator can conveniently and rapidly and directly sample and analyze the harmful substances.
As shown in fig. 1, in an embodiment of the present invention, the sampling isolation device may further include:
and the sampling platform 5 is arranged inside the isolation cabinet 1.
In this embodiment, set up sampling platform 5 in isolation cabinet 1, make things convenient for the operator to carry out the sample operation on sampling platform 5.
In an embodiment of the present invention, the sampling isolation device may further include: the sampling device 6 is placed inside the isolation cabinet 1, and the sampling device 6 is used for sampling operation.
In this embodiment, a sampling instrument 6 such as a sampling bottle, a dropper, a needle tube, and the like is placed on the sampling stage 5. So as to be convenient for operators to use when sampling.
In an embodiment of the present invention, the isolation cabinet 1 includes: and the transportation port is arranged on the side surface of the isolation cabinet 1 and is used for transporting or replacing equipment required by sampling to the isolation cabinet 1.
In this embodiment, taking the toxic liquid a with a lower boiling point as an example, before sampling, the standard bottle of the liquid a and the analyzer 7 need to be transported to the isolation cabinet 1 through the transportation port to prepare for the sampling operation. Or after completing one sampling, the sampling tool 6 is replaced through the transportation port.
In an embodiment of the present invention, each operation port 2 includes: and an elastic isolation member covering the operation opening 2, wherein the elastic isolation member is provided with an elastic opening at the center for allowing an operator to insert a hand, and the elastic isolation member is used for preventing harmful gas from flowing out of the operation opening 2.
It can be understood that the elastic partition member can be made of elastic material such as rubber, and fixed on the operation opening 2, and an elastic opening sewn by using elastic tape is left in the center of the elastic partition member, when the operator stretches his hand to enter the isolation cabinet 1 for sampling, the opening is closed, and when the operator stretches his hand to enter the isolation cabinet 1 for sampling, the opening is tied on the arm of the operator with a protective cover, so as to prevent the harmful gas from flowing out from the operation opening 2.
In one embodiment of the present invention, evacuation exhaust apparatus 3 includes:
the exhaust pipeline 31 is arranged at the upper part of the isolation cabinet 1 and is communicated with the isolation cabinet 1;
and the exhaust fan 32 is arranged at the tail part of the exhaust pipeline 31, and the exhaust fan 32 is used for pumping harmful gas from the isolation cabinet 1 into the exhaust pipeline 31.
For example, after transporting the liquid sample bottle containing liquid A and the analyzer 7 to the isolation cabinet 1, the transportation port is closed, the exhaust fan 32 is turned on, and the air in the isolation cabinet 1 is continuously circulated upwards and introduced into the air purification device 4. An operator opens a control valve 9 for controlling a liquid marking bottle 8 through an operation port, takes a sample of liquid A out of a sampling bottle on a sample table 5 by using a sampling device 6, and injects the sample into an analysis instrument 7 by using a needle tube for analysis, wherein in the process, an exhaust fan is kept in an open state all the time, and harmful gas generated in the sampling process is pumped into an exhaust pipeline 31 until the sampling is finished.
In one embodiment of the present invention, the gas purification apparatus 4 is provided with the recovery liquid 41, the recovery liquid 41 is provided at the tail gas outlet of the evacuation exhaust apparatus 3, and the recovery liquid 41 is used for recovering the harmful gas exhausted from the evacuation exhaust apparatus 3.
In this embodiment, in order to prevent the reaction speed of the discharged harmful gas with the recovery liquid 41 from being too slow, the harmful gas is not completely recovered, and air pollution is caused. In an embodiment of the present invention, the gas purifying device 4 is further provided with a gas activated carbon 42, and the gas activated carbon 42 is disposed on the upper portion of the recycle liquid 41 for adsorbing a part of the harmful gas before the recycle liquid 41.
Since the gas purification apparatus 4 capable of purifying the toxic gas can be provided according to the chemical properties of the harmful substance to be sampled and analyzed as needed, the gas purification apparatus 4 is not limited to the recovered liquid 41 and the gaseous activated carbon 42, and a waste gas washing tower or the like can be used.
Therefore, the embodiment of the invention is simple and easy to implement, protects the experimenter, and can safely and quickly complete the sampling analysis task under the condition of not contacting toxic substances.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A hazardous substance sampling isolation device, comprising:
an isolation cabinet (1) for isolating an operator from harmful gases;
the two operation ports (2) are arranged on the side surface of the isolation cabinet (1), and the operation ports (2) are used for enabling an operator to insert hands into the isolation cabinet (1) for operation sampling;
the evacuation exhaust device (3) is arranged at the upper part of the isolation cabinet (1) and is communicated with the isolation cabinet (1), and the evacuation exhaust device (3) is used for exhausting harmful gas in the isolation cabinet (1) during sampling;
and the gas purification device (4) is arranged at an exhaust port at the tail part of the evacuation exhaust device (3), and the gas purification device (4) is used for purifying and absorbing harmful gas exhausted by the evacuation exhaust device (3).
2. The sampling insulation device of claim 1, further comprising: and the sampling platform (5) is arranged inside the isolation cabinet (1).
3. The sampling insulation device of claim 1, further comprising: the sampling device (6) is placed inside the isolation cabinet (1), and the sampling device (6) is used for sampling operation.
4. The sampling insulation device according to claim 1, characterized in that the insulation cabinet (1) comprises: and the transportation port is arranged on the side surface of the isolation cabinet (1) and is used for transporting or replacing equipment required by sampling to the isolation cabinet (1).
5. The sampling insulation device according to claim 1, characterized in that each of the operating ports (2) comprises: the elastic isolating piece covers the operation opening (2), an elastic opening enabling an operator to insert a hand is formed in the center of the elastic isolating piece, and the elastic isolating piece is used for preventing harmful gas from flowing out of the operation opening (2).
6. Sampling insulation according to claim 1, characterized in that the evacuation venting means (3) comprise:
the exhaust pipeline (31) is arranged at the upper part of the isolation cabinet (1) and is communicated with the isolation cabinet (1);
the exhaust fan (32) is arranged at the tail part of the exhaust pipeline (31), and the exhaust fan (32) is used for pumping harmful gas into the exhaust pipeline (31) from the isolation cabinet (1).
7. The sampling insulation device according to claim 1, characterized in that the gas purification device (4) is provided with a recovery liquid (41), the recovery liquid (41) is provided at the tail gas outlet of the evacuation exhaust device (3), and the recovery liquid (41) is used for recovering harmful gas discharged by the evacuation exhaust device (3).
8. The sampling insulation device according to claim 7, characterized in that the gas purification device (4) is further provided with a gas activated carbon (42), and the gas activated carbon (42) is arranged at the upper part of the recovery liquid (41) and is used for adsorbing a part of harmful gas before the recovery liquid (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222720299.0U CN218131956U (en) | 2022-10-14 | 2022-10-14 | Sampling isolation device for harmful substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222720299.0U CN218131956U (en) | 2022-10-14 | 2022-10-14 | Sampling isolation device for harmful substances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218131956U true CN218131956U (en) | 2022-12-27 |
Family
ID=84571538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222720299.0U Active CN218131956U (en) | 2022-10-14 | 2022-10-14 | Sampling isolation device for harmful substances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218131956U (en) |
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2022
- 2022-10-14 CN CN202222720299.0U patent/CN218131956U/en active Active
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