CN216574775U - Washing water tank with lower air draft device - Google Patents
Washing water tank with lower air draft device Download PDFInfo
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- CN216574775U CN216574775U CN202122888758.1U CN202122888758U CN216574775U CN 216574775 U CN216574775 U CN 216574775U CN 202122888758 U CN202122888758 U CN 202122888758U CN 216574775 U CN216574775 U CN 216574775U
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Abstract
The utility model belongs to the field of laboratory equipment, and particularly discloses a washing sink with a lower air draft device, which comprises a sink body and the lower air draft device; the lower air draft device comprises an air guide pipe, a driving fan and a filter screen component; the air guide pipe is arranged on the water tank body; the lower end of the air guide pipe extends to the lower part of the water tank body and is provided with a lower air suction opening, an air quality sensor is arranged at the lower air suction opening, and the upper end of the air guide pipe extends to the height of the tank surface of the water tank body and is provided with an upper air outlet; the fan of the driving fan and the filter screen assembly are both arranged in the air guide pipe; the installation position of the filter screen assembly in the air guide pipe is closer to the lower air suction opening than the position of a fan of the active fan; the filter screen component comprises a dust primary filter screen and an acid gas filter screen. The utility model is beneficial to ensuring the indoor air quality through the lower air draft device, can be automatically started and stopped according to the qualified degree of the air quality, and ensures the good operation of instruments and equipment and the prolonged service life.
Description
Technical Field
The utility model belongs to the field of laboratory equipment, and particularly relates to a washing water tank with a lower air draft device.
Background
The experiment operations of more experiments in the laboratory are all completed in the water tank area. Since the reagents used in the experimental procedure are of various types, a large amount of harmful inorganic or organic gases, which are much heavier than air (average molecular weight FW 29), such as HNO, are generated during the preparation of the solution3·2H2O (FW 99, 3.4 times of air), HF · 2H2O (FW 56 times of air, 1.9 times of air), HCl 2H2Common inorganic gases such as O (FW 72.5 times of air), and common organic gases such as methylene chloride (FW 84.39 2.9 times of air), ethyl ether (FW 74.12 times of air 2.6 times of air), and n-hexane (FW 86.18 times of air 3.0 times of air) are liable to sink and stay, and corrode instruments in a laboratory for a long time, which may endanger the health of laboratory staff. The most effective way for solving the indoor air pollution is ventilation, and 60% of original harmful gas in the indoor air can be removed every time the indoor ventilation is carried out for 1 time.
The current laboratory convulsions air exchange system adopts suspension type convulsions air exchange system more, and the biggest problem that this kind of convulsions air exchange system exists is exactly: the air draft ventilation system mainly updates lighter air on the upper layer in the laboratory, harmful gas in the air on the upper layer in the laboratory is less, and the proportion of fresh air (with small density) is large, so that the quick updating of the air on the lower layer is not paid enough attention. In addition, the ceiling type air exhaust and ventilation system which is generally adopted at present also has the defects of low air exchange efficiency, poor air exchange effect and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a washing water tank with a lower air draft device, which is beneficial to quickly pumping away harmful gas close to the ground in a lower air draft mode, and the air exchange efficiency and the air exchange effect are obviously improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a washing sink with a lower air draft device comprises a sink body and the lower air draft device;
the lower air draft device comprises an air guide pipe, a driving fan and a filter screen component;
the air guide pipe is arranged on the water tank body; the lower end of the air guide pipe extends to the lower part of the water tank body and is provided with a lower air suction opening, and the upper end of the air guide pipe extends to the height of the tank surface of the water tank body and is provided with an upper air outlet;
a fan of the driving fan and the filter screen assembly are both arranged in the air guide pipe;
the installation position of the filter screen assembly in the air guide pipe is closer to the lower suction opening than the active fan;
the filter screen component comprises two layers of a dust primary filter screen and an acid gas filter screen.
Preferably, the upper air outlet is connected to the main air duct;
wherein, the main air duct is a ventilation channel communicated with the outside air in the laboratory.
Preferably, an exhaust duct is installed at the upper air outlet, wherein the upper air outlet is directly communicated with the outside air through the exhaust duct.
Preferably, the lower air draft device further comprises a lower air draft opening cover plate which is arranged at the lower air draft opening and can be opened and closed;
the lower air exhaust opening cover plate is provided with ventilation meshes or shutters.
Preferably, the material of the air guide pipe is corrosion-resistant plastic or stainless steel;
the cross section of the air guide pipe is square, round or oblate.
Preferably, the active fan is a variable frequency fan.
Preferably, the lower air draft device further comprises a controller and an air quality sensor arranged at the lower air draft opening;
the air quality sensor and the active fan are respectively connected with the controller.
Preferably, the downdraft assembly further includes a 5G module connected to the controller.
Preferably, the lower suction opening is located at the front lower part or the side lower part of the sink body, wherein the lower suction opening is horizontally oriented.
Preferably, updraft ventilator still disposes new trend device down, and new trend entry of new trend device is close to laboratory ceiling position.
The utility model has the following advantages:
as mentioned above, the utility model relates to a washing water tank with a lower air draft device, the washing water tank is provided with the lower air draft device, various harmful gases contained in the air near the ground at the position of the washing water tank can be conveniently and rapidly drawn away, the indoor air quality is ensured, the respiratory health of laboratory personnel is further ensured, the good operation of instruments and equipment is ensured, the service life of the instruments and equipment is prolonged, and meanwhile, fresh air can be rapidly supplemented into a laboratory by virtue of a fresh air device, and the air pressure in the laboratory is balanced. The utility model adopts the downward air draft mode, which is beneficial to rapidly exhausting harmful gas close to the ground, and greatly improves the air exchange efficiency and the air exchange effect.
Drawings
FIG. 1 is a schematic view showing a structure of a washing tub having a downdraft device according to embodiment 1 of the present invention;
FIG. 2 is a side view of a washing tub with a downdraft in embodiment 1 of the present invention;
FIG. 3 is a schematic view of a washing tub with a downdraft in embodiment 3 of the present invention;
FIG. 4 is a block diagram showing the connection of the electrical parts of the downdraft apparatus according to embodiment 3 of the present invention;
FIG. 5 is a schematic view of the structure of a washing tub with a downdraft in embodiment 4 of the present invention;
fig. 6 is a connection block diagram of an electric part of the downdraft apparatus in embodiment 5 of the present invention.
Description of the reference numerals
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
example 1
This embodiment 1 has mentioned a washing basin with updraft ventilator down to solve a large amount of harmful gas that produce and sink in the laboratory experiment operation process at present, and current convulsions air exchange system can't take out its technical problem who goes away rapidly.
As shown in figure 1, the washing sink with the downdraft device comprises a sink body 1 and the downdraft device.
The lower air draft device comprises an air guide pipe 2, a driving fan 3 and a filter screen assembly.
Wherein, the air guide pipe 2 is arranged on the water tank body 1; the lower end of the air guide pipe 2 extends to the lower part of the water tank body 1 and is provided with a lower air suction opening 4, and the upper end of the air guide pipe 2 extends to the height of the tank surface of the water tank body 1 and is provided with an upper air outlet 5.
The fan 3 of the active fan and the filter screen component are both arranged in the air guide pipe 2. Wherein, the installation position of the filter screen component in the air guide pipe 2 is closer to the position of the lower air suction opening than the fan 3 of the active fan.
In this embodiment, the active fan 3 is preferably a variable frequency fan.
Under the action of the driving fan 3, harmful gas near the ground at the washing water tank is pumped into the air guide pipe 2 through the lower air suction opening 4 and then passes through the filter screen assembly, so that primary dust filtration and acidic gas filtration are realized.
Specifically, the filter screen assembly includes two layers, i.e., a dust primary filter screen 6 and an acid gas filter screen 7, as shown in fig. 2, the dust primary filter screen 6 and the acid gas filter screen 7 respectively implement dust primary filter and acid gas filter.
The dust primary filter screen 6 and the acid gas filter screen 7 are both made of mature filter screen structures in the prior art.
In this embodiment, the lower suction opening 4 is located at the front lower portion of the water tank body 1, and the lower suction opening 4 faces horizontally and forward. Harmful gas near the ground can be quickly pumped away from the front lower part of the washing water tank through the lower air suction opening 4.
For maintenance convenience, the lower air suction opening cover plate 8 is further installed at the lower air suction opening 4 in the embodiment, as shown in fig. 1.
The array type ventilation mesh holes 9 are formed in the lower air draft opening cover plate 8, and air draft is convenient to carry out.
Of course, this embodiment is not limited to the downdraft effect through setting up ventilation mesh 9 realization on downdraft apron 8, can also set up the shutter structure on downdraft opening apron 8, and the no longer detailed description is given here.
Lower air inlet apron 8 preferred adoption apron that can open and shut in this embodiment, can open and close, when air inlet apron 8 was opened down, can take out and clear up or change filter screen assembly from in the guide duct 2.
When the lower exhaust opening cover plate 8 is closed, large garbage can not enter the air guide pipe 2.
In a preferred mode, the lower suction opening cover plate 8 is connected to one side of the lower suction opening 4 in a hinged manner. Of course, the lower air inlet cover plate 8 can also be arranged at the lower air inlet 4 in a clamping manner.
The above are only two preferred embodiments, and certainly, the lower exhaust inlet cover plate 8 of the present embodiment is not limited to the above two mounting manners, and other mounting manners that can be easily conceived in the prior art can also be adopted, and are not described herein again.
In the embodiment, the air guide pipe 2 is made of corrosion-resistant plastic or stainless steel, and the plastic or stainless steel has the advantages of low price, good sealing property and the like. In addition, the air guide pipe 2 can be transparent or non-transparent, and the transparent air guide pipe 2 is convenient to observe and overhaul.
As shown in fig. 1 and 2, the cross-sectional shape of the air guide duct 2 is designed to be square, but may be circular, oblate, or other shapes as long as the air guide function is achieved and the installation is convenient.
As shown in fig. 2, in the present embodiment, an L-shaped air guiding pipe is adopted as the air guiding pipe 2, that is:
the air duct 2 reaches the rear lower part of the water tank body 1 from the front lower part of the water tank body 1 through a section of horizontal section at the bottom of the water tank body 1, and then reaches the rear upper part of the water tank body 1 through a section of vertical section upwards along the rear lower part of the water tank body 1.
At the rear upper portion position of basin body 1, go up air outlet 5 and can be connected to existing main wind channel in the laboratory on, wherein, main wind channel is the passageway of taking a breath that is linked together with the outside air in the laboratory.
Because the exhaust fan and the air purification assembly (including the dust primary filter screen and the acid gas filter screen) are also arranged in the main air duct, the air discharged into the atmosphere can be ensured to be purified clean air, and the environment can not be polluted.
Of course, some laboratories do not have a main air duct, so an extension pipe section, which is an exhaust air channel (not shown), may be connected to the upper air outlet 5 of the air guiding pipe 2.
Wherein, the upper air outlet 5 is communicated with the outside air through an exhaust pipeline, and the purified air is directly discharged.
The working process of the washing water tank with the lower air draft device in the embodiment is as follows:
after the filter screen assembly, the driving fan 3 and other parts are installed, the lower suction opening cover plate 8 is closed;
starting the driving fan 3, and under the action of the driving fan 3, pumping harmful gas near the ground at the washing water tank into the air guide pipe 2 through the lower air suction opening 4, and then filtering the harmful gas through the filter screen assembly to realize primary dust filtration and acidic gas filtration;
the filtered purified air is pumped away along the air guide pipe 2 and finally discharged through the upper air outlet 5 of the air guide pipe 2.
Example 2
This embodiment 2 describes a washing tub with a downdraft device, and the washing tub with a downdraft device can refer to the above embodiment 1 except for the following technical features different from those of the above embodiment 1.
The lower suction opening 4 in this embodiment is located at the lower side of the sink body, wherein the lower suction opening 4 faces horizontally. Harmful gas near the ground can be quickly pumped away from the side lower part of the washing water tank through the lower air suction opening 4.
Example 3
This embodiment 3 describes a washing tub with downdraft device, and the washing tub with downdraft device can refer to the above embodiment 1 except for the following technical features different from those of the above embodiment 1.
As shown in fig. 3, the downdraft device of the washing water tank in this embodiment further includes an air quality sensor 10, a single chip microcomputer 11, and a buzzer 13. Wherein, the air quality sensor 10 is arranged at the lower air exhaust outlet.
The real-time monitoring of harmful gas concentration near the ground is facilitated by the air quality sensor 10.
The air quality sensor 10, the active fan 3 and the buzzer 13 are respectively connected with the singlechip 11, as shown in fig. 4.
When the air quality sensor 10 detects that the concentration of the near-ground harmful gas exceeds the standard, a signal is sent to the single chip microcomputer 11, the buzzer 13 gives an alarm, the single chip microcomputer 11 controls the driving fan 3 to start, and the near-ground harmful gas is rapidly pumped away.
When the concentration of the harmful gas on the near ground does not exceed the standard, the singlechip 11 controls the driving fan 3 to stop working, the automation degree is high, the energy-saving and environment-friendly effects are effectively achieved, and experiments prove that the energy-saving effect can reach more than 50%.
Example 4
This embodiment 4 describes a washing tub with downdraft device, and the washing tub with downdraft device can refer to the above embodiment 1 except for the following technical features different from those of the above embodiment 1.
As shown in fig. 5, the fresh air device is added to the present embodiment, that is, the fresh air device is configured for the lower air draft device, wherein the fresh air device is used for balancing the air pressure in the laboratory, and the fresh air device is only used by adopting the existing fresh air device. The fresh air inlet 12 of the fresh air device is close to the ceiling of the laboratory, and the specific gravity of the fresh air is small and is positioned on the upper layer.
A dust filter screen is arranged at the fresh air inlet 12 to prevent mice and winged insects from entering.
The utility model is beneficial to quickly pumping away various acid gases and volatile organic compounds contained in the air near the ground at the washing water tank through the lower air draft device, thereby well ensuring the respiratory health of laboratory personnel and the good operation of instruments and equipment.
Example 5
This embodiment 5 describes a washing tub with downdraft device, and the washing tub with downdraft device can refer to the above embodiment 3 except for the following technical features different from those of the above embodiment 3.
As shown in fig. 6, the embodiment 5 further adds a 5G module 14, and the 5G module is connected to the single chip microcomputer 11.
Wherein, singlechip 11 can be with harmful gas concentration information remote transmission and storage through 5G module 14, when detecting that harmful gas concentration exceeds standard, through 5G module remote sending alarm information, the experimenter of being convenient for in time handles simultaneously.
It should be understood, however, that the description herein of specific embodiments is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A washing sink with a lower air draft device is characterized by comprising a sink body and the lower air draft device;
the lower air draft device comprises an air guide pipe, a driving fan and a filter screen component;
the air guide pipe is arranged on the water tank body; the lower end of the air guide pipe extends to the lower part of the water tank body and is provided with a lower air suction opening, and the upper end of the air guide pipe extends to the height of the tank surface of the water tank body and is provided with an upper air outlet;
a fan of the active fan and the filter screen assembly are both arranged in the air guide pipe;
the installation position of the filter screen assembly in the air guide pipe is closer to the position of the lower air suction opening than the active fan;
the filter screen component comprises two layers of a dust primary filter screen and an acid gas filter screen.
2. The wash tank with downdraft assembly of claim 1,
the upper air outlet is connected to the main air duct;
the main air duct is a ventilation channel communicated with the outside air in the laboratory.
3. The wash tank with downdraft assembly of claim 1,
and an exhaust pipeline is arranged at the upper air outlet, wherein the upper air outlet is directly communicated with the outside air through the exhaust pipeline.
4. The sink with downdraft assembly of claim 1, wherein,
the lower air exhaust device also comprises a lower air exhaust opening cover plate which is arranged at the lower air exhaust opening and can be opened and closed;
and a ventilation mesh or a shutter is arranged on the lower air exhaust opening cover plate.
5. The wash tank with downdraft assembly of claim 1,
the air guide pipe is made of corrosion-resistant plastic or stainless steel;
the cross section of the air guide pipe is square, round or oblate.
6. The wash tank with downdraft assembly of claim 1,
the driving fan is a variable frequency fan.
7. The wash tank with downdraft assembly of claim 1,
the lower air draft device also comprises a controller and an air quality sensor arranged at the lower air draft opening;
and the air quality sensor and the driving fan are respectively connected with the controller.
8. The sink with downdraft assembly of claim 7, wherein,
the downdraft device further comprises a 5G module connected with the controller.
9. The wash tank with downdraft assembly of claim 1,
the lower air suction opening is positioned at the front lower part or the side lower part of the water tank body, wherein the lower air suction opening faces horizontally.
10. The wash tank with downdraft assembly of claim 1,
the lower air draft device is also provided with a fresh air device, wherein a fresh air inlet of the fresh air device is close to the position of a laboratory ceiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122888758.1U CN216574775U (en) | 2021-11-24 | 2021-11-24 | Washing water tank with lower air draft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122888758.1U CN216574775U (en) | 2021-11-24 | 2021-11-24 | Washing water tank with lower air draft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216574775U true CN216574775U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122888758.1U Active CN216574775U (en) | 2021-11-24 | 2021-11-24 | Washing water tank with lower air draft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216574775U (en) |
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2021
- 2021-11-24 CN CN202122888758.1U patent/CN216574775U/en active Active
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