CN204365107U - A kind of laboratory anti-suck exhaust gas absorption device - Google Patents
A kind of laboratory anti-suck exhaust gas absorption device Download PDFInfo
- Publication number
- CN204365107U CN204365107U CN201420851861.6U CN201420851861U CN204365107U CN 204365107 U CN204365107 U CN 204365107U CN 201420851861 U CN201420851861 U CN 201420851861U CN 204365107 U CN204365107 U CN 204365107U
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- gas absorption
- bottle
- waste gas
- absorption bottle
- tube connector
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 50
- 239000002912 waste gas Substances 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000741 silica gel Substances 0.000 claims description 17
- 229910002027 silica gel Inorganic materials 0.000 claims description 17
- 241001411320 Eriogonum inflatum Species 0.000 claims description 5
- 229960001866 silicon dioxide Drugs 0.000 claims 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000009102 absorption Effects 0.000 description 22
- 238000002474 experimental method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
本实用新型公开了一种实验室防倒吸废气吸收装置，所述第一连接管分别连接防倒吸瓶的出气口和第一废气吸收瓶的进气口，所述第二连接管分别连接第一废气吸收瓶的出气口和第二废气吸收瓶的进气口，所述第二废气吸收瓶的出气口连接出气管，所述第一连接管和第二连接管上分别设有单向阀，第一废气吸收瓶和第二废气吸收瓶内装盛有吸收液。本实用新型在实际操作过程中，即使反应结束未及时撤离，废气吸收液由于负压原因从连接管倒流，倒流到防倒吸瓶内，也不至于倒流入仪器设备内，能很好的保护仪器设备和废气处理。
The utility model discloses a laboratory anti-suckback waste gas absorption device, the first connecting pipes are respectively connected to the air outlet of the anti-suckback bottle and the air inlet of the first waste gas absorption bottle, and the second connecting pipes are respectively connected to the The gas outlet of the first waste gas absorption bottle and the air inlet of the second waste gas absorption bottle, the gas outlet of the second waste gas absorption bottle is connected to the gas outlet pipe, and the first connecting pipe and the second connecting pipe are respectively provided with one-way The valve, the first waste gas absorption bottle and the second waste gas absorption bottle are filled with absorption liquid. In the actual operation process of the utility model, even if the reaction is not evacuated in time, the exhaust gas absorption liquid flows back from the connecting pipe due to negative pressure, and flows back into the anti-suckback bottle, so that it will not flow back into the equipment, which can be well protected Instrumentation and exhaust gas treatment.
Description
技术领域technical field
本实用新型涉及一种化学实验用防倒吸装置，尤其涉及的是一种实验室防倒吸废气吸收装置。The utility model relates to an anti-suckback device for chemical experiments, in particular to a laboratory anti-suckback waste gas absorption device.
背景技术Background technique
化学实验中，所使用及制备的气体较多，很多气体往往有毒有害(如NH3，NO2,HCl等)，需要用到吸收装置，而在使用过程中往往需要加热加压，通入气体作为反应物等情况。特别是在加热加压条件下，在反应结束或者出现异常状况时，如果操作不当，未及时撤离吸收装置，由于热胀冷缩或者负压的原因，洗液就会被倒吸，从而污染仪器设备和反应物，甚至造成危险。In chemical experiments, many gases are used and prepared, and many gases are often poisonous and harmful (such as NH 3 , NO 2 , HCl, etc.), which require the use of absorption devices, and often need to be heated and pressurized during use. as a reactant etc. Especially under the conditions of heating and pressurization, if the operation is not done properly and the absorption device is not evacuated in time when the reaction is over or abnormal conditions occur, the lotion will be sucked back due to thermal expansion and contraction or negative pressure, thereby contaminating the instrument equipment and reactants, and even pose a hazard.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术的不足，提供了一种实验室防倒吸废气吸收装置，能够杜绝倒吸，确保实验安全。The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a laboratory anti-suckback waste gas absorption device, which can prevent the suckback and ensure the safety of the experiment.
本实用新型是通过以下技术方案实现的，本实用新型包括防倒吸瓶、第一废气吸收瓶、第二废气吸收瓶、进气管、第一连接管、第二连接管和出气管，所述防倒吸瓶、第一废气吸收瓶和第二废气吸收瓶的顶部开口处分别设有瓶塞，所述瓶塞的顶部分别设有进气口和出气口，所述防倒吸瓶的进气口上连接进气管，所述第一连接管分别连接防倒吸瓶的出气口和第一废气吸收瓶的进气口，所述第二连接管分别连接第一废气吸收瓶的出气口和第二废气吸收瓶的进气口，所述第二废气吸收瓶的出气口连接出气管，所述第一连接管和第二连接管上分别设有单向阀，第一废气吸收瓶和第二废气吸收瓶内装盛有吸收液。The utility model is realized through the following technical solutions. The utility model comprises an anti-backward suction bottle, a first waste gas absorption bottle, a second waste gas absorption bottle, an air inlet pipe, a first connecting pipe, a second connecting pipe and an air outlet pipe. The top openings of the anti-suckback bottle, the first waste gas absorbing bottle and the second waste gas absorbing bottle are respectively provided with bottle stoppers. The gas port is connected with an air inlet pipe, the first connecting pipe is respectively connected with the air outlet of the anti-suckback bottle and the air inlet of the first waste gas absorption bottle, and the second connecting pipe is respectively connected with the air outlet of the first waste gas absorption bottle and the second air inlet of the first waste gas absorption bottle. The air inlet of the second waste gas absorbing bottle, the gas outlet of the second waste gas absorbing bottle is connected to the air outlet pipe, the first connecting pipe and the second connecting pipe are respectively provided with a one-way valve, the first waste gas absorbing bottle and the second The waste gas absorption bottle is filled with absorption liquid.
所述第一连接管在第一废气吸收瓶内的部分位于第一废气吸收瓶的吸收液的液面之下，第二连接管在第二废气吸收瓶内的部分位于第二废气吸收瓶的吸收液的液面之下。The part of the first connecting pipe in the first exhaust gas absorbing bottle is located below the liquid level of the absorbing liquid in the first exhaust gas absorbing bottle, and the part of the second connecting pipe in the second exhaust gas absorbing bottle is located in the second exhaust gas absorbing bottle. Below the surface of the absorbent liquid.
所述单向阀包括硅胶片和硅胶柱，所述硅胶片和硅胶柱构成T型结构，硅胶柱卡设在单向阀的进气孔上。The one-way valve includes a silica gel sheet and a silica gel column, the silica gel sheet and the silica gel column form a T-shaped structure, and the silica gel column is clamped on the air inlet of the one-way valve.
所述进气孔为锥形结构，进气孔沿第一连接管或第二连接管的进气方向的开口逐渐变大，所述硅胶柱的形状与所述进气孔相匹配。The air intake hole is a tapered structure, and the opening of the air intake hole gradually becomes larger along the air intake direction of the first connecting pipe or the second connecting pipe, and the shape of the silica gel column matches the air inlet hole.
本实用新型相比现有技术具有以下优点：本实用新型在实际操作过程中，即使反应结束未及时撤离，废气吸收液由于负压原因从连接管倒流，倒流到防倒吸瓶内，也不至于倒流入仪器设备内，能很好的保护仪器设备和废气处理。本实用新型具有结构简单、有效防倒吸、废气吸收完全等优点，适用于实验室高温气相反应、合成样品、气体制备等实验操作。Compared with the prior art, the utility model has the following advantages: in the actual operation process of the utility model, even if the reaction is not evacuated in time, the exhaust gas absorption liquid flows back from the connecting pipe due to negative pressure, and flows back into the anti-suckback bottle. As for the backflow into the equipment, it can well protect the equipment and waste gas treatment. The utility model has the advantages of simple structure, effective anti-suckback, complete waste gas absorption, etc., and is suitable for experimental operations such as laboratory high-temperature gas phase reaction, synthetic samples, and gas preparation.
附图说明Description of drawings
图1是本实用新型的结构示意图；Fig. 1 is the structural representation of the utility model;
图2是单向阀进气的结构示意图；Fig. 2 is a structural schematic diagram of check valve air intake;
图3是单向阀倒吸的结构示意图。Fig. 3 is a structural schematic diagram of a one-way valve sucking back.
具体实施方式Detailed ways
下面对本实用新型的实施例作详细说明，本实施例在以本实用新型技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本实用新型的保护范围不限于下述的实施例。The following is a detailed description of the embodiments of the present utility model. This embodiment is implemented on the premise of the technical solution of the present utility model, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present utility model is not limited to the following the described embodiment.
如图1所示，本实施例包括防倒吸瓶1、第一废气吸收瓶2、第二废气吸收瓶3、进气管4、第一连接管5、第二连接管6和出气管7，防倒吸瓶1、第一废气吸收瓶2和第二废气吸收瓶3的顶部开口处分别设有瓶塞8，瓶塞8的顶部分别设有进气口和出气口，防倒吸瓶1的进气口上连接进气管4，第一连接管5分别连接防倒吸瓶1的出气口和第一废气吸收瓶2的进气口，第二连接管6分别连接第一废气吸收瓶2的出气口和第二废气吸收瓶3的进气口，第二废气吸收瓶3的出气口连接出气管7，第一连接管5和第二连接管6上分别设有单向阀9，第一废气吸收瓶2和第二废气吸收瓶3内装盛有吸收液10。As shown in Figure 1, this embodiment includes an anti-suckback bottle 1, a first exhaust gas absorption bottle 2, a second exhaust gas absorption bottle 3, an air inlet pipe 4, a first connecting pipe 5, a second connecting pipe 6 and an air outlet pipe 7, The top openings of the anti-suckback bottle 1, the first exhaust gas absorption bottle 2 and the second exhaust gas absorption bottle 3 are respectively provided with a bottle stopper 8, and the top of the bottle stopper 8 is respectively provided with an air inlet and an air outlet, and the anti-suckback bottle 1 The air inlet of the air inlet is connected with the air inlet pipe 4, the first connecting pipe 5 is respectively connected with the air outlet of the anti-suckback bottle 1 and the air inlet of the first waste gas absorbing bottle 2, and the second connecting pipe 6 is connected with the air inlet of the first waste gas absorbing bottle 2 respectively. The air outlet and the air inlet of the second waste gas absorption bottle 3, the gas outlet of the second waste gas absorption bottle 3 is connected to the air outlet pipe 7, the first connecting pipe 5 and the second connecting pipe 6 are respectively provided with a one-way valve 9, the first The waste gas absorbing bottle 2 and the second waste gas absorbing bottle 3 are filled with an absorbing liquid 10 .
进气管4接连实验设备的排气孔，第一连接管5在第一废气吸收瓶2内的部分位于第一废气吸收瓶2的吸收液10的液面之下，第二连接管6在第二废气吸收瓶3内的部分位于第二废气吸收瓶3的吸收液10的液面之下。经过两次废气的吸收，能很好的将尾气中的废气除去，能够确保废气被吸收液10足够过滤。由于防倒吸瓶1为空瓶，即便是发生设备故障，单向阀9都失效的情况下，仍能保证吸收液10不会倒流回设备。出气管7排出到外界的为无污染气体。The air inlet pipe 4 is connected to the exhaust hole of the experimental equipment, the part of the first connecting pipe 5 in the first waste gas absorbing bottle 2 is located below the liquid level of the absorbing liquid 10 of the first waste gas absorbing bottle 2, and the second connecting pipe 6 The part inside the second waste gas absorbing bottle 3 is located below the liquid level of the absorbing liquid 10 in the second waste gas absorbing bottle 3 . After two waste gas absorptions, the waste gas in the tail gas can be well removed, and the waste gas can be sufficiently filtered by the absorption liquid 10 . Because the anti-suckback bottle 1 is an empty bottle, even if equipment failure occurs and the one-way valve 9 fails, it can still ensure that the absorption liquid 10 will not flow back into the equipment. What the gas outlet pipe 7 discharges to the outside is pollution-free gas.
如图2和图3所示，单向阀9包括硅胶片91和硅胶柱92，硅胶片91和硅胶柱92构成T型结构，硅胶柱92卡设在单向阀9的进气孔上。进气孔为锥形结构，进气孔沿第一连接管5或第二连接管6的进气方向的开口逐渐变大，硅胶柱92的形状与进气孔相匹配。图2中箭头所示为正常的进气方向，图3中箭头所示为倒吸气流方向，倒吸时，整个硅胶柱92卡入进气孔中，硅胶片91挡住气体，气体只能单向通过，可有效的防止倒吸。As shown in FIG. 2 and FIG. 3 , the one-way valve 9 includes a silica gel sheet 91 and a silica gel post 92 . The air intake hole is a tapered structure, and the opening of the air intake hole along the air intake direction of the first connecting pipe 5 or the second connecting pipe 6 gradually becomes larger, and the shape of the silica gel column 92 matches the air inlet hole. The arrow in Fig. 2 shows the normal air intake direction, and the arrow in Fig. 3 shows the airflow direction of sucking back. When sucking back, the entire silica gel column 92 is stuck in the air intake hole, and the silica gel sheet 91 blocks the gas, and the gas can only One-way passage can effectively prevent sucking back.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851861.6U CN204365107U (en) | 2014-12-29 | 2014-12-29 | A kind of laboratory anti-suck exhaust gas absorption device |
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| CN201420851861.6U CN204365107U (en) | 2014-12-29 | 2014-12-29 | A kind of laboratory anti-suck exhaust gas absorption device |
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| CN204365107U true CN204365107U (en) | 2015-06-03 |
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| CN201420851861.6U Expired - Fee Related CN204365107U (en) | 2014-12-29 | 2014-12-29 | A kind of laboratory anti-suck exhaust gas absorption device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168963A (en) * | 2018-01-23 | 2018-06-15 | 宁波市环境监测中心 | A kind of multifunctional gas sampling apparatus and its method |
| CN108426751A (en) * | 2018-01-23 | 2018-08-21 | 宁波市环境监测中心 | A kind of gas sampling assembly and its method |
| CN111063222A (en) * | 2019-12-31 | 2020-04-24 | 河南护理职业学院 | A multifunctional teaching demonstration device |
| CN112629951A (en) * | 2020-12-14 | 2021-04-09 | 内蒙古兴洋科技有限公司 | High-purity silane metal ion detection sampling device |
| CN115486364A (en) * | 2022-09-22 | 2022-12-20 | 广州远想医学生物技术有限公司 | Hairy root growth culture device and culture method thereof |
| CN116096548A (en) * | 2020-09-18 | 2023-05-09 | 大金工业株式会社 | Method for manufacturing tube, extrusion molding machine, extrusion molding die, winding device, and tube |
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2014
- 2014-12-29 CN CN201420851861.6U patent/CN204365107U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168963A (en) * | 2018-01-23 | 2018-06-15 | 宁波市环境监测中心 | A kind of multifunctional gas sampling apparatus and its method |
| CN108426751A (en) * | 2018-01-23 | 2018-08-21 | 宁波市环境监测中心 | A kind of gas sampling assembly and its method |
| CN108168963B (en) * | 2018-01-23 | 2023-11-07 | 宁波市环境监测中心 | Multifunctional gas sampling device and method thereof |
| CN108426751B (en) * | 2018-01-23 | 2023-11-14 | 宁波市环境监测中心 | Gas sampling device and method thereof |
| CN111063222A (en) * | 2019-12-31 | 2020-04-24 | 河南护理职业学院 | A multifunctional teaching demonstration device |
| CN116096548A (en) * | 2020-09-18 | 2023-05-09 | 大金工业株式会社 | Method for manufacturing tube, extrusion molding machine, extrusion molding die, winding device, and tube |
| CN112629951A (en) * | 2020-12-14 | 2021-04-09 | 内蒙古兴洋科技有限公司 | High-purity silane metal ion detection sampling device |
| CN115486364A (en) * | 2022-09-22 | 2022-12-20 | 广州远想医学生物技术有限公司 | Hairy root growth culture device and culture method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151229 |
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| EXPY | Termination of patent right or utility model |