CN209866922U - Non-pipeline ventilation cabinet for laboratory - Google Patents
Non-pipeline ventilation cabinet for laboratory Download PDFInfo
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- CN209866922U CN209866922U CN201920222684.8U CN201920222684U CN209866922U CN 209866922 U CN209866922 U CN 209866922U CN 201920222684 U CN201920222684 U CN 201920222684U CN 209866922 U CN209866922 U CN 209866922U
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- reaction kettle
- filtering device
- liquid tank
- laboratory
- liquid
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Abstract
The utility model discloses a non-pipeline ventilation cabinet for a laboratory, which comprises a cabinet body, a control panel, a socket, an online monitor, a vacuum pump, a liquid inlet pipe and a waste liquid pipe; a gas collecting device is arranged at the top plate on the cabinet body, wherein a reaction kettle filtering device is fixedly arranged at the upper part of the cabinet body, a liquid tank is arranged in the reaction kettle filtering device, and the bottom of the liquid tank is fixedly connected to the top plate through a support column, so that a gas channel is formed between the liquid tank and the reaction kettle filtering device; a reaction kettle is arranged in the liquid tank, and the bottom of the reaction kettle is fixedly connected to the bottom surface of the liquid tank through a supporting block; a vacuum pump is fixed on the reaction kettle filtering device, the top of the reaction kettle extends out of the reaction kettle filtering device, and the top of the reaction kettle is connected with the vacuum pump through a pipeline. The utility model discloses a reation kettle filter equipment replaces the tuber pipe installation of traditional fume chamber, and convenient to use need not to erect the tuber pipe at the canopy top, and the filtering laboratory harmful gas is effectual.
Description
Technical Field
The utility model relates to a laboratory paraphernalia technical field specifically is laboratory is with no pipeline fume chamber.
Background
Laboratory ventilation is an integral part of laboratory design. Good ventilation in the laboratory should be provided to prevent laboratory workers from inhaling or swallowing some toxic, nosable chemicals and organisms, and to prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols). Therefore, the laboratory ventilation at present usually adopts a fume hood, a fume hood or a local ventilation method to remove the experimental smoke.
However, no matter the fume hood, the fume hood or the local ventilation equipment, a fan and a pipeline are required to be preset on the ceiling of a laboratory, the installation of the fan and the pipeline is troublesome, and the problem of air pipe tightness exists. In addition, in the experiment process, the experiment place is not fixed, so that the ventilation equipment with the preset air pipe cannot be used. In view of this kind of technical problem, need appear a simple structure, convenient to use, need not to erect the tuber pipe at the canopy top, the effectual no pipeline fume chamber is used in laboratory of the harmful gas in filtering laboratory.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, convenient to use need not to erect the tuber pipe at the canopy top, and what the filtering laboratory harmful gas was effectual is with no pipeline fume chamber in laboratory.
In order to achieve the above object, the utility model provides a following technical scheme: a non-pipeline ventilation cabinet for a laboratory comprises a cabinet body, a control panel, a socket, an online monitor, a vacuum pump, a liquid inlet pipe and a waste liquid pipe; the middle part of the cabinet body is provided with a test bed, and a gas collecting device is arranged at a top plate on the cabinet body, wherein the upper part of the cabinet body is fixedly provided with a reaction kettle filtering device, a liquid tank is arranged in the reaction kettle filtering device, the bottom of the liquid tank is fixedly connected to the top plate through a support column, and a height difference of 3-8cm is formed between the bottom surface of the liquid tank and the top plate, so that a gas channel is formed between the liquid tank and the reaction kettle filtering device; a reaction kettle is arranged in the liquid tank, and the bottom of the reaction kettle is fixedly connected to the bottom surface of the liquid tank through a supporting block; a vacuum pump is fixed on the reaction kettle filtering device, the top of the reaction kettle extends out of the reaction kettle filtering device, and the top of the reaction kettle is connected with the vacuum pump through a pipeline.
Furthermore, the reaction kettle is in a circular truncated cone shape, a plurality of side holes are integrally formed in the lower portion of the side wall of the reaction kettle, a plurality of bottom holes are integrally formed in the bottom surface of the reaction kettle, and the bottom surface of the reaction kettle is 3-8cm away from the bottom surface of the liquid tank.
Furthermore, a cross rod is fixedly arranged on the upper portion of the liquid tank, a hoop is arranged in the middle of the cross rod, and the hoop is environment-friendly outside the reaction kettle.
Further, be fixed with secondary filter equipment on the reation kettle filter equipment, be provided with the cotton layer of a plurality of active carbon layers and PP in the secondary filter equipment, the cotton layer of active carbon layer and PP is in the same place in the pile in proper order, and on secondary filter equipment's one end passed through the trachea and is connected to the vacuum pump, the fixed exhaust pipe that is provided with of secondary filter equipment's the other end.
Further, the one end of liquid case is connected with the feed liquor pipe, is provided with feed inlet and level gauge on the feed liquor pipe, and the end of feed liquor pipe is provided with the feed liquor valve, and the other end of liquid case is connected with the waste liquid pipe, and the end of waste liquid pipe is provided with the waste liquid valve.
Furthermore, a movable glass window is arranged above the test bed, a fixed glass window is arranged on the upper portion of the movable glass window, the fixed glass window is fixedly connected with the cabinet body, the movable glass window is slidably connected with the cabinet body, a socket and a control panel are arranged on one side of the test bed, an online monitor is arranged on the other side of the test bed, and a detection probe of the online monitor is inserted into the liquid tank.
Furthermore, a plurality of storage cabinets are arranged at the lower part of the cabinet body, a plurality of through holes are integrally formed in the gas collecting device, and the gas collecting device and the top plate are integrally formed during manufacturing.
Furthermore, the gas collecting device is circular (provided with a plurality of through holes), and the gas collecting device is positioned right above the test bed.
Further, the on-line monitor is a commercially available product (such as multifunctional water quality monitor 027 high-precision PH pH meter manufactured by Shenzhen Ouyi technology and Mr. McFa)
Furthermore, the control panel is a commercially available circuit and is mainly used for controlling the starting and the power of the vacuum pump.
Furthermore, the density of bottom holes of the reaction kettle is greater than that of the side holes, so that most of gas is pumped out from the bottom of the reaction kettle by a vacuum pump.
Furthermore, the outside of the secondary filtering device is a sealed box-packed shell, and a plurality of layers of activated carbon and PP cotton are packaged in the shell for hierarchical filtering. Particularly, the secondary filtering device can be fixed on the reaction kettle filtering device and also can be placed on the reaction kettle filtering device, so as to achieve the purpose of convenient replacement.
The utility model discloses a theory of operation: the gas collection device is located right above the test bed, and under the suction effect of the vacuum pump, toxic flue gas generated in an experiment on the test bed goes upwards along the gas collection device and enters the liquid tank along the gas channel, and [ liquid in the liquid tank is used for neutralization, if the flue gas is acidic gas, alkaline solution is added from the feed inlet ], and the density degree of bottom holes of the reaction kettle is greater than that of side holes, so that most of gas is pumped out from the bottom of the reaction kettle by the vacuum pump. A vacuum pump above the reaction kettle pumps out the toxic gas filtered by the liquid tank and sends the toxic gas into a secondary filtering device, and multiple layers of activated carbon and PP cotton in the secondary filtering device further adsorb and remove peculiar smell, and the toxic gas is fully purified and absorbed by utilizing the principles of physical and chemical reactions; make the gas of exhaust gas pipe exhanst gas accord with emission standard, like this, just need not the top of laboratory again and twine various gas pipeline and hang the fan, the gas of exhaust gas pipe exhanst gas can directly discharge in the laboratory even. Therefore, the device is particularly suitable for the condition that the experimental site is not fixed.
Compared with the prior art, simple structure, convenient to use need not to erect the tuber pipe at the shed roof, and the filtering laboratory harmful gas is effectual, specifically is: the utility model discloses a reation kettle filters the tuber pipe installation that replaces traditional fume chamber. The laboratory staff requirements are flexible, convenient and intelligent, and meanwhile, harmful gas can be well dissolved and absorbed completely through physical and chemical reactions and a secondary filtering device system. Not only ensures the good working environment of laboratory workers, but also conforms to the national policy of environmental protection in China.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is the structure schematic diagram of the reaction kettle filtering device of the utility model.
Reference symbols of the drawings
1. A top plate; 2. a gas collection device; 3. a reaction kettle filtering device; 4. a vacuum pump;
5. a secondary filtration device; 6. a liquid inlet valve; 7. a feed inlet; 8. a waste liquid valve;
9. a liquid level meter; 10. an on-line monitor; 11. fixing a glass window; 12. a movable glass window;
13. a control panel; 14. a socket; 15. a storage cabinet; 16. a cabinet body;
31. a reaction kettle; 32. a side hole; 33. a bottom hole; 34. a gas channel;
35. a pillar; 36. a support block; 37. A liquid tank;
51. activated carbon layer 52, PP cotton layer 53 and exhaust pipe
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, fig. 1 is a schematic structural diagram of the present invention. Figure 2 is the structure schematic diagram of the reaction kettle filtering device of the utility model. The utility model discloses a non-pipeline ventilation cabinet for a laboratory, which comprises a cabinet body 16, a control panel 13, a socket 14, an online monitor 10, a vacuum pump 4, a liquid inlet pipe and a waste liquid pipe; a test bed is arranged in the middle of the cabinet body 16, a gas collecting device 2 is arranged at a top plate 1 on the cabinet body 16, wherein a reaction kettle filtering device 3 is fixedly arranged at the upper part of the cabinet body 16, a liquid tank 37 is arranged inside the reaction kettle filtering device 3, the bottom of the liquid tank 37 is fixedly connected to the top plate 1 through a support column 35, and a height difference of 3-8cm is formed between the bottom surface of the liquid tank 37 and the top plate 1, so that a gas channel 34 is formed between the liquid tank 37 and the reaction kettle filtering device; a reaction kettle 31 is arranged in the liquid tank 37, and the bottom of the reaction kettle 31 is fixedly connected to the bottom surface of the liquid tank 37 through a supporting block 36; be fixed with vacuum pump 4 on reation kettle filter equipment 3, reation kettle 31's top is stretched out reation kettle filter equipment's outside, and reation kettle 31's top passes through the pipe connection with vacuum pump 4. The reaction kettle 31 is in a circular truncated cone shape, a plurality of side holes 32 are integrally formed in the lower portion of the side wall of the reaction kettle 31, a plurality of bottom holes 33 are integrally formed in the bottom surface of the reaction kettle 31, and the bottom surface of the reaction kettle 31 is 3-8cm away from the bottom surface of the liquid tank. The upper part of the liquid tank 37 is fixedly provided with a cross rod, the middle part of the cross rod is provided with a hoop, and the hoop is environmentally friendly outside the reaction kettle 31. The reaction kettle filtering device 3 is fixed with a secondary filtering device 5, a plurality of activated carbon layers 51 and PP cotton layers 52 are arranged in the secondary filtering device 5, the activated carbon layers 51 and the PP cotton layers 52 are sequentially laminated together, one end of the secondary filtering device 5 is connected to the vacuum pump 4 through an air pipe, and the other end of the secondary filtering device 5 is fixedly provided with an exhaust gas pipe 53. One end of the liquid tank 37 is connected with a liquid inlet pipe, the liquid inlet pipe is provided with a feed inlet 7 and a liquid level meter 9, the tail end of the liquid inlet pipe is provided with a liquid inlet valve 6, the other end of the liquid tank 37 is connected with a waste liquid pipe, and the tail end of the waste liquid pipe is provided with a waste liquid valve 8. A movable glass window 12 is arranged above the test bed, a fixed glass window 11 is arranged on the upper portion of the movable glass window 12, the fixed glass window is fixedly connected with the cabinet body 16, the movable glass window 12 is slidably connected with the cabinet body 16, a socket 14 and a control panel 13 are arranged on one side of the test bed, an online monitor 10 is arranged on the other side of the test bed, and a detection probe of the online monitor is inserted into the liquid tank 37. The lower part of the cabinet body 16 is provided with a plurality of storage cabinets 15, the gas collecting device 2 is integrally formed with a plurality of through holes, and the gas collecting device 2 and the top plate 1 are integrally formed during manufacturing.
Furthermore, the gas collecting device is circular (provided with a plurality of through holes), and the gas collecting device is positioned right above the test bed. Furthermore, the on-line monitor is a commercially available product (such as a multifunctional water quality monitor 027 high-precision PH acid-base meter produced by Shenzhen Owei science and technology with Mr. Co.); furthermore, the control panel is a commercially available circuit and is mainly used for controlling the starting and the power of the vacuum pump. Furthermore, the density of bottom holes of the reaction kettle is greater than that of the side holes, so that most of gas is pumped out from the bottom of the reaction kettle by a vacuum pump. Furthermore, the outside of the secondary filtering device is a sealed box-packed shell, and a plurality of layers of activated carbon and PP cotton are packaged in the shell for hierarchical filtering. Particularly, the secondary filtering device can be fixed on the reaction kettle filtering device and also can be placed on the reaction kettle filtering device, so as to achieve the purpose of convenient replacement.
The utility model discloses a theory of operation: the gas collection device is located right above the test bed, and under the suction effect of the vacuum pump, toxic flue gas generated in an experiment on the test bed goes upwards along the gas collection device and enters the liquid tank along the gas channel, and [ liquid in the liquid tank is used for neutralization, if the flue gas is acidic gas, alkaline solution is added from the feed inlet ], and the density degree of bottom holes of the reaction kettle is greater than that of side holes, so that most of gas is pumped out from the bottom of the reaction kettle by the vacuum pump. A vacuum pump above the reaction kettle pumps out the toxic gas filtered by the liquid tank and sends the toxic gas into a secondary filtering device, and multiple layers of activated carbon and PP cotton in the secondary filtering device further adsorb and remove peculiar smell, and the toxic gas is fully purified and absorbed by utilizing the principles of physical and chemical reactions; make the gas of exhaust gas pipe exhanst gas accord with emission standard, like this, just need not the top of laboratory again and twine various gas pipeline and hang the fan, the gas of exhaust gas pipe exhanst gas can directly discharge in the laboratory even. Therefore, the device is particularly suitable for the condition that the experimental site is not fixed.
Compared with the prior art, simple structure, convenient to use need not to erect the tuber pipe at the shed roof, and the filtering laboratory harmful gas is effectual, specifically is:
the utility model discloses when concrete implementation, according to the experiment of difference, add different feed liquids to reation kettle filter equipment system, according to on-line monitoring appearance, steerable liquid concrete attribute. The starting is controlled by a starting key on the control panel, the vacuum pump is started, the socket can be electrified, the movable glass window is pulled upwards, and the experiment operation can be carried out at the moment; the air exhaust adjustment is realized; the power-off key of the utility model is pressed to cut off the power. The utility model discloses a reation kettle filters the tuber pipe installation that replaces traditional fume chamber. The laboratory staff requirements are flexible, convenient and intelligent, and meanwhile, harmful gas can be well dissolved and absorbed completely through physical and chemical reactions and a secondary filtering device system. Not only ensures the good working environment of laboratory workers, but also conforms to the national policy of environmental protection in China.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A non-pipeline ventilation cabinet for a laboratory comprises a cabinet body (16), a control panel (13), a socket (14), an online monitor (10), a vacuum pump (4), a liquid inlet pipe and a waste liquid pipe; the testing table is arranged in the middle of the cabinet body (16), and the gas collecting device (2) is arranged at the top plate (1) on the cabinet body (16), and is characterized in that the reaction kettle filtering device (3) is fixedly arranged at the upper part of the cabinet body (16), the liquid tank (37) is arranged in the reaction kettle filtering device (3), the bottom of the liquid tank (37) is fixedly connected to the top plate (1) through a support column (35), and a height difference of 3-8cm exists between the bottom surface of the liquid tank (37) and the top plate (1), so that a gas channel (34) is formed between the liquid tank (37) and the reaction kettle filtering device (3); a reaction kettle (31) is arranged in the liquid tank (37), and the bottom of the reaction kettle (31) is fixedly connected to the bottom surface of the liquid tank (37) through a supporting block (36); a vacuum pump (4) is fixed on the reaction kettle filtering device (3), the top of the reaction kettle (31) is extended out of the outside of the reaction kettle filtering device, and the top of the reaction kettle (31) is connected with the vacuum pump (4) through a pipeline.
2. The laboratory ductless fumehood according to claim 1, wherein the reaction vessel (31) is in the shape of a circular truncated cone, a plurality of side holes (32) are integrally formed in the lower portion of the side wall of the reaction vessel (31), a plurality of bottom holes (33) are integrally formed in the bottom surface of the reaction vessel (31), and a height difference of 3-8cm exists between the bottom surface of the reaction vessel (31) and the bottom surface of the liquid tank.
3. The laboratory ductless fumehood according to claim 2, wherein a cross bar is fixedly arranged at the upper part of the liquid tank (37), and a hoop is arranged at the middle part of the cross bar and is environmentally-friendly outside the reaction kettle (31).
4. The laboratory ductless ventilation cabinet according to claim 2 or 3, wherein a secondary filtering device (5) is fixed on the reaction kettle filtering device (3), a plurality of activated carbon layers (51) and PP cotton layers (52) are arranged in the secondary filtering device (5), the activated carbon layers (51) and the PP cotton layers (52) are sequentially laminated together, one end of the secondary filtering device (5) is connected to the vacuum pump (4) through an air pipe, and an exhaust pipe (53) is fixedly arranged at the other end of the secondary filtering device (5).
5. The laboratory ductless ventilation cabinet according to claim 4, wherein one end of the liquid box (37) is connected with a liquid inlet pipe, the liquid inlet pipe is provided with a feeding port (7) and a liquid level meter (9), the end of the liquid inlet pipe is provided with a liquid inlet valve (6), the other end of the liquid box (37) is connected with a waste liquid pipe, and the end of the waste liquid pipe is provided with a waste liquid valve (8).
6. The laboratory ductless ventilation cabinet according to claim 1, wherein a movable glass window (12) is arranged above the test bed, a fixed glass window (11) is arranged on the upper portion of the movable glass window (12), the fixed glass window is fixedly connected with the cabinet body (16), the movable glass window (12) is slidably connected with the cabinet body (16), a socket (14) and a control panel (13) are arranged on one side of the test bed, an online monitor (10) is arranged on the other side of the test bed, and a detection probe of the online monitor extends into the liquid tank (37).
7. The laboratory ductless ventilation cabinet according to claim 6, wherein a plurality of storage cabinets (15) are provided at the lower portion of the cabinet body (16), a plurality of through holes are integrally formed on the gas collecting device (2), and the gas collecting device (2) and the top plate (1) are integrally formed in the manufacturing process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920222684.8U CN209866922U (en) | 2019-02-22 | 2019-02-22 | Non-pipeline ventilation cabinet for laboratory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920222684.8U CN209866922U (en) | 2019-02-22 | 2019-02-22 | Non-pipeline ventilation cabinet for laboratory |
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CN209866922U true CN209866922U (en) | 2019-12-31 |
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ID=68952982
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CN201920222684.8U Expired - Fee Related CN209866922U (en) | 2019-02-22 | 2019-02-22 | Non-pipeline ventilation cabinet for laboratory |
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CN (1) | CN209866922U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111195638A (en) * | 2020-03-03 | 2020-05-26 | 滨化集团股份有限公司 | Strong acid gas evaporation and absorption device for laboratory |
-
2019
- 2019-02-22 CN CN201920222684.8U patent/CN209866922U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111195638A (en) * | 2020-03-03 | 2020-05-26 | 滨化集团股份有限公司 | Strong acid gas evaporation and absorption device for laboratory |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210222 |
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CF01 | Termination of patent right due to non-payment of annual fee |