CN210333685U - Double-air-supply type air circulation system applied to laboratory - Google Patents
Double-air-supply type air circulation system applied to laboratory Download PDFInfo
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- CN210333685U CN210333685U CN201920764924.7U CN201920764924U CN210333685U CN 210333685 U CN210333685 U CN 210333685U CN 201920764924 U CN201920764924 U CN 201920764924U CN 210333685 U CN210333685 U CN 210333685U
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- 239000003517 fume Substances 0.000 claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000001502 supplementing effect Effects 0.000 claims description 19
- 238000013461 design Methods 0.000 abstract description 13
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009469 supplementation Effects 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 description 22
- 238000011282 treatment Methods 0.000 description 15
- 239000002912 waste gas Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 12
- 238000004887 air purification Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
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Abstract
The utility model discloses a double air supply type air circulation system applied to a laboratory, which comprises a fume hood, a working face and a circulation processing device in the fume hood, wherein the fume hood comprises an operation chamber arranged at the middle part, ventilation side frames at two sides and an air supply box at the upper side; through the design of two air supplementations, just carry out the air supply according to different experimental demands circulated air and mend the amount of wind and be about 60% ~ 90% of the amount of wind of taking out with the inner circulating air who handles through exhaust purification technology in the inside upper end of ventilation work cavity and lower part mesa department, the outside top department of fume chamber uses micro-pressure air supply arrangement to pass through the air conditioner in laboratory, supply-air duct or natural wind carry out the new trend air supplyes, the new trend passes through micro-pressure air supply arrangement and forms a new wind curtain between fume chamber working face and cavity, can reduce the laboratory energy consumption by a wide margin, guarantee experiment operation personnel's safety, reduce the cost that the laboratory construction was.
Description
Technical Field
The utility model relates to a laboratory ventilation system field, especially a be applied to two air supply formula air circulation system in laboratory.
Background
The environment requirement of a laboratory is generally higher, and it is also crucial to the accuracy of experimental data to provide a stable environment for a laboratory, but the air in the laboratory is inevitably exchanged with the outside air, and the outside air brings required oxygen to people in the laboratory, and also brings substances of bacterial dust in the outside air into the laboratory, and meanwhile, in the air exchange process, some substances generated in the laboratory are also brought into the air, and the substances may cause pollution to the environment. The existing fume hood continuously extracts indoor air as supply during working, which can cause serious loss of indoor heat or cold air, waste a large amount of energy, increase the load of a heating/refrigerating system and influence the working performance and stability of the fume hood.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a be applied to two air supplement formula air circulation system in laboratory.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a be applied to two mends wind formula air circulation system in laboratory, includes working face, circulation processing apparatus in fume chamber, the fume chamber is including setting up the mended wind case of ventilation side frame, the upside at the control chamber at middle part, both sides, be provided with the air-supply line between mended wind case and the circulation processing apparatus and go out the tuber pipe, still be provided with new trend minute-pressure air supply arrangement on the mended wind case.
As a preferred option, the upper side and the lower side between the ventilation side frames are respectively provided with an upper air curtain structure and a lower air curtain structure.
As a preferred item, the fume hood is provided with a return air box at the back side, and the return air box is communicated with the air outlet pipe.
The utility model has the advantages that: through the design of two air supplementations, just carry out the air supply according to different experimental demands circulated air and mend the amount of wind and be about 60% ~ 90% of the amount of wind of taking out with the inner circulating air who handles through exhaust purification technology in the inside upper end of ventilation work cavity and lower part mesa department, the outside top department of fume chamber uses micro-pressure air supply arrangement to pass through the air conditioner in laboratory, supply-air duct or natural wind carry out the new trend air supplyes, the new trend passes through micro-pressure air supply arrangement and forms a new wind curtain between fume chamber working face and cavity, can reduce the laboratory energy consumption by a wide margin, guarantee experiment operation personnel's safety, reduce the cost that the laboratory construction was.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a schematic view of the present invention corresponding to a plurality of fume hoods.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. In the following description, certain specific details are set forth in order to provide a thorough understanding of the present invention. Rather, the invention can be practiced without these specific details, i.e., those skilled in the art can more effectively describe the nature of their work to others skilled in the art using the description and illustrations herein.
Referring to fig. 1, a double air supply type air circulation system applied to a laboratory includes a fume hood 1, a working surface 2 in the fume hood 1, and a circulation processing device 3.
The circulation treatment device 3 has the functions of air purification and circulation, wherein the air guide and drainage design in the purification box of the circulation treatment device 3 enlarges the area of the waste gas passing through the treatment layer and reduces the resistance generated by treatment; the circulation processing device 3 can perform module replacement (provide data for processing waste gas) according to waste gas processed in different laboratories by arranging a replaceable processing module; the circulation processing device 3 is internally provided with an exhaust fan and is convenient to install. The air purification waste gas treatment system is provided with a module which can be easily disassembled and replaced to meet the requirements of different waste gas treatments in a laboratory.
The ventilation cabinet 1 comprises an operation chamber 4 arranged at the middle part, ventilation side frames 5 arranged at two sides and an air supplementing box 6 arranged at the upper side, an air inlet pipe 31 and an air outlet pipe 32 are arranged between the air supplementing box 6 and the circulation processing device 3, and a fresh air micro-pressure air supply device 7 is further arranged on the air supplementing box 6.
Referring to fig. 2, the system uses the double air supply design, the internal circulation air treated by the exhaust gas purification technology is used for supplying air to the upper end and the lower table top inside the ventilation working cavity, and the circulating air supply amount is about 60% -90% of the air suction amount according to different experimental requirements (the micro-pressure air supply device is used at the top outside the ventilation cabinet to supply fresh air through the air conditioner of the laboratory, an air supply pipeline or natural air, and the fresh air forms a fresh air curtain between the working surface and the cavity of the ventilation cabinet through the micro-pressure air supply device, so that the energy consumption of the laboratory (air draft consumption of the air conditioner and air supply fan) can be greatly reduced, the safety of experimental operators is guaranteed, and the cost of the construction and transformation of the laboratory is reduced (the pipelines of air suction and air.
The fume chamber water conservancy diversion module carries out the optimal design according to the air flow principle and makes the interior air of fume chamber cavity flow in order and avoids producing the vortex and improve convulsions efficiency and reduce the energy consumption, guarantee experiment operation personnel safety. The fume hood uses the special design of the buckling connection to facilitate the on-site installation and the replacement of the functional module to maintain the window sliding door experiment synchronous belt transmission and has the advantages of low noise, corrosion resistance, and the like
The fume chamber adopts the both sides ventilation 5 stand of side frame to adopt narrow limit design (the stand is wide for 80mm) inside experiment usage space is bigger.
An upper air curtain structure 51 and a lower air curtain structure 52 are respectively arranged on the upper side and the lower side between the ventilation side frames 5, the air curtain structures are also called air curtain structures, air flows entering the air supplementing box 6 and the ventilation side frames 5 are guided to form an invisible door curtain through built-in air curtain plates, fresh air curtain protection circulating air flows on the upper side and the lower side are formed, and air circulation efficiency is further improved.
Referring to fig. 2 and 3, a return air box 8 is arranged on the back side of the fume hood 1, and the return air box 8 is communicated with an air outlet pipe 32. The air supply box 6 is internally provided with intervals (the specific shape and distribution of the intervals are determined according to the number, the layout and the model of the fume hood 1), an air inlet channel and an air outlet channel passing through the air supply box 6 can be separated, and the air outlet channel is communicated with the air return box 8 and the air inlet channel and the ventilation side frame 5 respectively to form a complete circulation loop.
The circulation treatment device 3 has the functions of air purification and circulation, wherein the air guide and drainage design in the circulation air purification box enables the waste gas to be enlarged in area through the treatment layer and reduce the resistance generated by treatment; the circulating treatment device 3 can perform module replacement (provide data of treated waste gas) according to waste gas treated in different laboratories by arranging a replaceable treatment module; the circulation processing device 3 is internally provided with an exhaust fan and is convenient to install.
The air exhaust and air supplement of the circulating system are matched with a programmed automatic control system through a control valve with flow measurement to realize that the air exhaust amount and the circulating air supplement amount of the fume hood are set values, and the balance is a new air circulation of the laboratory environment ensured by a laboratory air conditioner, an air supplement pipeline or natural air supplement; the flow guiding design of air supplement and air draft of the energy-saving air supplement ventilation cabinet of the experimental equipment used by the terminal enables the gas to flow controllably and orderly, and the circularly supplemented gas cannot overflow to the working surface of the human body; the air purification waste gas treatment system is provided with a module which can be easily disassembled and replaced to meet the requirements of different waste gas treatments in a laboratory. For the circulating system, the exhaust air and the air supplement are matched with a programming automatic control system through a control valve with flow measurement to realize that the exhaust air quantity and the circulating air supplement quantity of the fume hood are set values, and the balance is fresh air circulation of the laboratory environment ensured by a laboratory air conditioner, an air supplement pipeline or natural air supplement.
The energy-saving air supplement ventilation cabinet air supplement and air draft guide design of the experimental equipment used at the terminal enables the gas to flow controllably and orderly, and the circularly supplemented gas cannot overflow to the working surface of a human body.
The air exhaust and air supplement of the circulating system are matched with a programmed automatic control system through a control valve with flow measurement to realize that the air exhaust amount and the circulating air supplement amount of the fume hood are set values, and the balance is a new air circulation of the laboratory environment ensured by a laboratory air conditioner, an air supplement pipeline or natural air supplement; the flow guiding design of air supplement and air draft of the energy-saving air supplement ventilation cabinet of the experimental equipment used by the terminal enables the gas to flow controllably and orderly, and the circularly supplemented gas cannot overflow to the working surface of the human body; the air purification waste gas treatment system is provided with a module which can be easily disassembled and replaced to meet the requirements of different waste gas treatments in a laboratory.
For wind-supplementing module
The air supplementing module consists of a circulating air supplementing box, a table-board air sweeping handrail and a fresh air supplementing box with a micro-pressure air supply device; the air supplementing box is positioned at the top of the fume hood and consists of a main air inlet and an air supply distribution box and two pipeline air induction ports, and circulating air flow forms a micro air curtain from top to bottom in a cavity of the fume hood through the flow distribution design in the distribution box;
circulating air is led from the space of the side frame of the ventilation cabinet to the handrail air sweeping port through pipelines at two sides of the air supplementing box, and harmful gas deposited is led to the air outlet through the surface sweeping air which is arranged in the handrail and recognizes the circulating air flow to flow along the table top; the fresh air supplementing box is positioned at the top outside a window of the fume hood, and the upper part of the fresh air supplementing box is provided with an air inlet for sucking an external air supplementing system connected with a laboratory or directly introducing natural air in the room. A set of small centrifugal fan is arranged in the fresh air supplementing box, air supplementing of an external pipeline is not needed, the amount of air supplementing of fresh air can be controlled within a set range through the fan, and a fresh air interval air curtain is formed between a diffusion opening of the fan for supplying air and a working face of an experimenter to isolate polluted gas in the ventilation cabinet from contact of the experimenter.
According to the above principle, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention.
The practice proves that the method has the advantages that,
(1) 60% -90% of air is internally circulated and 10% -40% of air is externally discharged through an air pumping and exhausting-waste gas purifying-air supplementing circulating system, and the energy consumption of an air conditioner and air supply equipment in an experiment is reduced by recycling waste gas generated in the experiment, so that the energy-saving effect is achieved.
(2) The flow control system accurately distributes the air draft and air supplement amount to equipment for generating waste gas in the laboratory, so that the comfort of experimenters is guaranteed;
(3) through the design and control of gas diversion of the energy-saving air supplement fume hood, the circulating air supplement flow is controlled to be used in the fume hood without overflowing, so that the operation safety of experimenters is guaranteed;
(4) ensure through the professional exhaust gas purification device in the circulation system that gaseous safety up to standard discharges after handling, the external 10% 40% outer circulating gas who discharges can directly discharge the exhaust system of building or discharge the construction transformation engineering volume that reduces the experiment through the window outdoor.
Claims (3)
1. The utility model provides a be applied to two air make-up formula air circulation system in laboratory, includes working face (2), circulation processing apparatus (3) in fume chamber (1), its characterized in that: the ventilating cabinet (1) comprises an operating room (4) arranged at the middle part, ventilating side frames (5) arranged at two sides and an air supplementing box (6) arranged at the upper side, an air inlet pipe (31) and an air outlet pipe (32) are arranged between the air supplementing box (6) and the circulation processing device (3), and a fresh air micro-pressure air supply device (7) is further arranged on the air supplementing box (6).
2. The double air supply type air circulation system applied to the laboratory according to claim 1, characterized in that: an upper air curtain structure (51) and a lower air curtain structure (52) are respectively arranged at the upper side and the lower side between the ventilation side frames (5).
3. The double air supply type air circulation system applied to the laboratory according to claim 1, characterized in that: fume chamber (1) dorsal part is provided with return-air case (8), return-air case (8) and air-out pipe (32) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764924.7U CN210333685U (en) | 2019-05-24 | 2019-05-24 | Double-air-supply type air circulation system applied to laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764924.7U CN210333685U (en) | 2019-05-24 | 2019-05-24 | Double-air-supply type air circulation system applied to laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210333685U true CN210333685U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920764924.7U Ceased CN210333685U (en) | 2019-05-24 | 2019-05-24 | Double-air-supply type air circulation system applied to laboratory |
Country Status (1)
| Country | Link |
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| CN (1) | CN210333685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125131A (en) * | 2019-05-24 | 2019-08-16 | 广东天赐湾实验室装备制造有限公司 | A kind of double air makeup formula air circulation system applied to laboratory |
| CN113308338A (en) * | 2021-06-11 | 2021-08-27 | 广东天赐湾实验室装备制造有限公司 | Combined type experiment platform capable of continuously running and management method thereof |
-
2019
- 2019-05-24 CN CN201920764924.7U patent/CN210333685U/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125131A (en) * | 2019-05-24 | 2019-08-16 | 广东天赐湾实验室装备制造有限公司 | A kind of double air makeup formula air circulation system applied to laboratory |
| CN113308338A (en) * | 2021-06-11 | 2021-08-27 | 广东天赐湾实验室装备制造有限公司 | Combined type experiment platform capable of continuously running and management method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230607 Decision number of declaring invalidation: 561745 Granted publication date: 20200417 |