CN202876645U - Device for treating waste gas amd waste liquid in laboratory - Google Patents
Device for treating waste gas amd waste liquid in laboratory Download PDFInfo
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- CN202876645U CN202876645U CN 201220577818 CN201220577818U CN202876645U CN 202876645 U CN202876645 U CN 202876645U CN 201220577818 CN201220577818 CN 201220577818 CN 201220577818 U CN201220577818 U CN 201220577818U CN 202876645 U CN202876645 U CN 202876645U
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Abstract
The utility model discloses a laboratory waste gas and waste liquid treatment device. The laboratory waste gas and waste liquid treatment device comprises a gas storage unit, more than one waste gas treatment tank connected in series, a waste liquid recovery tank and an experimental container, wherein each waste gas treatment tank is provided with a gas outlet, a gas inlet, a liquid discharge port I, a sight hole I and an inlet gas distributor; the sight hole I is arranged on the middle upper part of the tank body of the waste gas treatment tank; the inlet gas distributor is communicated with the gas inlet of the waste gas treatment tank; the gas inlet of the waste gas treatment tank is connected with the experimental container through a gas discharge valve; the waste liquid recovery tank is provided with an inlet liquid distributor, a waste liquid recovery tank inlet, a waste liquid recovery tank gas discharge port, a waste liquid recovery tank liquid discharge port, a sight hole II, a sight hole III and a handhole; the inlet liquid distributor is communicated with the waste liquid recovery tank inlet; and the gas storage unit is connected with the experimental container through a gas inlet valve. The overall process can be completed in a closed system; and the utility model has the advantages of stable treatment effect, low operating cost, high safety and environmental protection, and is simple to operate.
Description
Technical field
The utility model relates to a kind of equipment for laboratory exhaust gas, liquid waste processing, can be widely used in the safe, stable of laboratory exhaust gas, waste liquid and process.
Background technology
Corrosion monitoring and detecting research is carried out at the scene, can make material itself place specific, real corrosion of equipment environment, the material corrosion resistance of measuring in this case is true and reliable, can be device rational sorting basis is provided, and provide relatively reliably evaluation method for the exploitation of corrosion resistant material.But field trial research exists length consuming time, sampling difficulty, drops into the difficulties such as huge, therefore carries out the laboratory simulation experiment study, sets up accurately, fast, experimental technique carries out related work and seems necessary flexibly.But under some special operation condition conditions, (as contain H
2The corrosion experiment of the toxic gases such as S), its waste gas that produces in experimentation, waste liquid great majority are harmful to, and must could discharge through processing.
The corrosion experiment in laboratory is main mainly with the autoclave coupon test, but the laboratory is carried out some correlative study and (as contained H
2The corrosion experiment of the toxic gases such as S) exist simulated experiment condition harshness, test medium poisonous and harmful, experiment to finish after the problems such as the waste gas that produces of experiment, waste liquid safety, environmental protection, efficient difficult treatment.
At present domestic processing for the laboratory exhaust gas waste liquid there is no complete treatment facility, can not process simultaneously waste gas and waste liquid, such as Chinese patent 201020106503.4, discloses a kind of processing method of waste gas, specifically discloses a kind of device for processing laboratory waste gas.This device comprises waste gas carrying out washing treatment unit and treatment unit for waste water, and described exhaust-gas treatment unit is a centrifugal scrubber, wherein is provided with aeroscopic plate and spiral board.The middle pond that treatment unit for waste water is connected successively by front and back, catalyzed internal electrocatalysis Xie Chi and biological adsorption pond form.This technology can be widely used in the processing of all kinds of laboratory exhaust gas, but to the effect of waste liquid non-processor.Chinese patent 201010030145.8 discloses a kind of method for treating waste liquor of biology laboratory, carries out according to following step: the first step, adopt centrifuge, filter membrane or heating evaporation method to make solid and fluid separation applications in the waste liquid waste liquid of biology laboratory of collecting; The processing of behind sterilizing, packing of second step, the solid that the first step is separated; The liquid of separating imported to take ultraviolet ray in the container or/and collect recycling after the ozone sterilization sterilization.After its advantage was that waste liquid carried out integrated collection and processes, waste water can be recycled, and water-saving result is obvious, and isolated solid matter packing is processed, and no longer disorderly row leaves about, and has alleviated environmental pollution.But can not process waste gas.And the processing procedure of above-mentioned two patents is not finished in closed system, unavoidably has the problems such as peculiar smell is large, gas-liquid is residual, brings a lot of safety, environmental protection risk to experimental implementation.
Therefore, carry out smoothly for the experimental work that guarantees the laboratory, need a kind of safe and reliable, laboratory exhaust gas of strong operability of design, the simultaneously treated equipment of waste liquid.
The utility model content
The purpose of this utility model is for prior art not enough, a kind of equipment for laboratory exhaust gas and liquid waste processing is provided, be used for processing the waste gas and the waste liquid that produce in the experimentation, whole process is finished in the system of sealing, accomplish without leakage, noresidue, free from extraneous odour in waste gas and the liquid waste processing process, satisfy the requirement of laboratory safety working specification, safety, the environmental protection of final experimental implementation.
The utility model provides a kind of equipment for the laboratory exhaust gas liquid waste processing, it is characterized in that: this laboratory exhaust gas waste liquor treatment equipment comprises caisson, the exhaust-gas treatment tank of 1 above arranged in series, the waste liquid recycling can, experiment container, air bleeding valve, intake valve and III tapping valve, the exhaust-gas treatment tank top is provided with gas vent, the bottom is provided with gas feed and I leakage fluid dram, the middle and upper part is provided with the I window, inside is provided with air inlet distributor, the I leakage fluid dram is connected with the I tapping valve, air inlet distributor is communicated with gas feed, the exhaust-gas treatment tank gas feed other end is connected with experiment container by air bleeding valve, when the exhaust-gas treatment tank is 1, exhaust-gas treatment tank gas vent connects exhaust-valve, the exhaust-gas treatment tank is 2 when above, the 1st exhaust-gas treatment tank gas vent links to each other with the 2nd exhaust-gas treatment tank gas feed, the like, last 1 exhaust-gas treatment tank gas vent connects exhaust-valve, waste liquid recycling can inside is provided with the feed liquor distributor, the bottom is provided with waste liquid recycling can entrance and waste liquid recycling can leakage fluid dram, the top is provided with waste liquid recycling can exhaust outlet and III window, the middle and upper part is provided with the II window, waste liquid recycling can middle and lower part is provided with hand hole in waste liquid recycling can leakage fluid dram top, waste liquid recycling can leakage fluid dram is communicated with the II tapping valve, the feed liquor distributor is communicated with waste liquid recycling can entrance, the waste liquid recycling can entrance other end is connected with experiment container by the III tapping valve, waste liquid recycling can exhaust outlet connects atmospheric valve, and caisson links to each other with experiment container by intake valve.
The volume of single exhaust-gas treatment tank described in the utility model is generally 3～10 times of experiment container volume, and ratio of height to diameter is 2～4.
Air inlet distributor described in the utility model and feed liquor distributor are made by the pipe of end sealing, be distributed with the aperture that diameter is 2～5mm on the tube wall, wherein the air inlet distributor openend links to each other with gas feed, and feed liquor distributor openend links to each other with waste liquid recycling can entrance.
The material of exhaust-gas treatment tank described in the utility model and waste liquid recycling can is all selected the plastics of acid and alkali-resistance, such as polypropylene, polytetrafluoroethylene (PTFE) etc.
The compression resistance of exhaust-gas treatment tank described in the utility model and waste liquid recycling can is 0.3～1MPa.
Waste liquid recycling can tank body volume described in the utility model is generally 10～50 times of experiment container volume, and ratio of height to diameter is 1.5～4.
Air inlet distributor described in the utility model stretches into 1/2～2/3 place of exhaust-gas treatment tank interior diameter, and the feed liquor distributor stretches into 1/2～2/3 place of waste liquid recycling can interior diameter.
The utility model compared with prior art has following advantage: the utility model adopts waste liquid recycling can and 1 waste gas and waste liquid that above exhaust-gas treatment tank is processed to produce in the experimentation, its overall process is finished in closed system, treatment effect is stable, easy and simple to handle, low, the safety and environmental protection of operating cost.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Reference numeral shown in Fig. 1 is:
The 1-caisson, 2-intake valve, 3-air bleeding valve, the 4-experiment container, 5-III tapping valve, 6-exhaust-gas treatment tank, 7-I window, 8-air inlet distributor, 9-I tapping valve, the 10-exhaust-valve, 11-II tapping valve, 12-waste liquid recycling can, the 13-hand hole, 14-feed liquor distributor, 15-II window, the 16-atmospheric valve, 17-III window.
The specific embodiment
As shown in Figure 1, Fig. 1 is the rough schematic (be three grades of absorptions, treatment system shown in Fig. 1, namely exhaust-gas treatment tank 6 is three) of laboratory exhaust gas, waste liquor treatment equipment.
Such as Fig. 1, this laboratory exhaust gas waste liquor treatment equipment comprises caisson 1, the exhaust-gas treatment tank 6 of three arranged in series, waste liquid recycling can 12, experiment container 4, air bleeding valve 3, intake valve 2 and III tapping valve 5, exhaust-gas treatment tank 6 tops are provided with gas vent, the bottom is provided with gas feed and I leakage fluid dram, the middle and upper part is provided with I window 7, inside is provided with air inlet distributor 8, the I leakage fluid dram is connected 9 with the I tapping valve, air inlet distributor 8 is communicated with gas feed, the exhaust-gas treatment tank 6 gas feed other ends are connected with experiment container 4 by air bleeding valve 3, when exhaust-gas treatment tank 6 is 1, exhaust-gas treatment tank 6 gas vents connect exhaust-valve 10, exhaust-gas treatment tank 6 is 2 when above, the 1st exhaust-gas treatment tank 6 gas vents link to each other with the 2nd exhaust-gas treatment tank 6 gas feeds, the like, last 1 exhaust-gas treatment tank 6 gas vent connect exhaust-valve 10, waste liquid recycling can 12 inside are provided with feed liquor distributor 14, the bottom is provided with waste liquid recycling can entrance and waste liquid recycling can leakage fluid dram, the top is provided with waste liquid recycling can exhaust outlet and III window 17, the middle and upper part is provided with II window 15, waste liquid recycling can 12 middle and lower parts are provided with hand hole 13 in waste liquid recycling can leakage fluid dram top, waste liquid recycling can 12 leakage fluid drams are communicated with II tapping valve 11, feed liquor distributor 14 is communicated with waste liquid recycling can 12 entrances, the waste liquid recycling can 12 entrance other ends are connected with experiment container 4 by III tapping valve 5, waste liquid recycling can 12 exhaust outlets connect atmospheric valve 16, and caisson 1 links to each other with experiment container 4 by intake valve 2.
The volume of single exhaust-gas treatment tank 6 is generally 3～10 times of experiment container 4 volumes, the size ratio of height to diameter is 2～4, air inlet distributor 8 and feed liquor distributor 14 are made by the pipe of end sealing, be distributed with the aperture that diameter is 2～5mm on the tube wall, wherein gas distributor openend links to each other with gas feed, and feed liquor distributor openend links to each other with waste liquid recycling can entrance.
The material of the tank of exhaust-gas treatment shown in Fig. 16 and waste liquid recycling can 12 is all selected the plastics of acid and alkali-resistance, such as polypropylene, polytetrafluoroethylene (PTFE) etc.The compression resistance of exhaust-gas treatment tank 6 and waste liquid recycling can 12 is 0.3～1MPa.Waste liquid recycling can 12 single tank body volumes are generally 10～50 times of experiment container 4 volumes, and the size ratio of height to diameter is 1.5～4.
Air inlet distributor shown in Fig. 18 stretches into 1/2～2/3 place of exhaust-gas treatment tank 6 interior diameters, and feed liquor distributor 14 stretches into 1/2～2/3 place of waste liquid recycling can 12 interior diameters.
All valves are all closed except expressing unlatching among Fig. 1.
The technological process of the part of exhaust-gas treatment shown in Fig. 1 is: experiment container 4 interior temperature are down to below 50 ℃, if a. this moment experiment container 4 internal pressures≤0.2MPa, then slowly open the intake valve 2 of experiment container 4, in experiment container 4, pass into the gas (such as nitrogen) that is higher than its pressure 0.1～0.2MPa, open exhaust-valve 10, open simultaneously slowly the air bleeding valve 3 (observing in the exhaust-gas treatment tank 6 solution gas bubbling situation with suitable adjustment air bleeding valve 3 valve size by the I window 7 of exhaust-gas treatment tank 6 middle and upper parts) of experiment container 4, experiment container 4 interior waste gas enter exhaust-gas treatment tank 6 bottoms on first through air inlet distributor 8, behind the absorption Treatment Solution reactive absorption of preparing in the tank, after discharging, the exhaust-gas treatment tank outlet of tank top enters successively again second exhaust-gas treatment tank 6, the 3rd exhaust-gas treatment tank 6 is finally through exhaust-valve 10 emptying; If b. this moment experiment container 4 internal pressures＞0.2MPa, then open first exhaust-valve 10, slowly open simultaneously the air bleeding valve 3 of experiment container 4, experiment container 4 interior waste gas are directly emptying after three grades of waste gas absorption process tanks absorb processing, observe when experiment container 4 internal pressures are down to 0.2MPa, close air bleeding valve 3, slowly open the intake valve 2 of experiment container 4, in experiment container 4, pass into the gas (such as nitrogen) that is higher than its pressure 0.1～0.2MPa, and then slowly open the air bleeding valve 3 of experiment container 4, continue to absorb process after emptying through three grades of waste gas absorption process tanks waste gas.According to processing the exhausted air quantity size, generally add nitrogen blowing time 1～2h.
The plastics (such as polypropylene, polytetrafluoroethylene (PTFE) etc.) of the tank body material selection acid and alkali-resistance of exhaust-gas treatment tank 6, single tank body volume is generally 3～10 times of experiment container 4 volumes, ratio of height to diameter is 2～4, can fully contact with absorbent solution when guaranteeing the gas low in and high out and tank body can be stablized placement.Tank body should possess good sealing, the pressure of ability 0.3～1MPa.The liquid level of containing absorbent solution in the tank of exhaust-gas treatment tank 6 should be near I window 7 center lines.In exhaust-gas treatment tank 6, add acid-base indicator (for example phenolphthalein) in the absorbent solution, judge according to change color whether solution lost efficacy.After the acid-base indicator color generation significant change, need open I tapping valve 9 in observing solution, the discharging juxtaposition renews bright absorbent solution.
The technological process of liquid waste processing part is: after the exhaust-gas treatment flow process finishes, close air bleeding valve 3, regulate intake valve 1 and pass into gas (such as nitrogen), experiment container 4 internal pressures are maintained 0.1～0.2MPa, open atmospheric valve 16, slowly open simultaneously III tapping valve 5, waste liquid by pipeline in feed liquor distributor 14 enters waste liquid recycling can 12.
The plastics (such as polypropylene, polytetrafluoroethylene (PTFE) etc.) of waste liquid recycling can 12 tank body material selection acid and alkali-resistances, single tank body volume is generally 10～50 times of experiment container 4 volumes, the size ratio of height to diameter is 1.5～4, fully contacts with absorbent solution when guaranteeing that waste liquid is entered by tank base and tank body can be stablized placement.Tank body should possess good sealing, the pressure of ability 0.3～1MPa.When having deposition of solid to be difficult for by 11 eliminating of II tapping valve in the tank, can open hand hole 13 and clear up.According to circumstances can contain the absorbent solution into 1/3 left and right sides volume in the tank.In tank, add acid-base indicator (such as phenolphthalein etc.) in the absorbent solution, judge according to change color whether solution lost efficacy.When the Sheng liquid measure reaches II window 15 upper limb in observing tank, should stop feed liquor, open II tapping valve 11, exercise usefulness in the emptying jars behind the liquid again, III window 17 also can be used to observe level condition in the tank.
The specific embodiment
Below in conjunction with the implementation example the present invention is described in further detail, still, these embodiment limit the scope of the invention by any way.Specific embodiment 1～2 is as follows.
Embodiment 1
What process is the H2S aqueous solution, and used absorbent solution is 10%NAOH solution.
Experiment condition is as shown in table 1.
Table 1 is processed the experiment condition of the H2S aqueous solution
| Experiment container | Medium | H 2S dividing potential drop (MPa) | Temperature (℃) |
| The 1L reactor | Distilled water | 1.5 | 90 |
After experiment finishes, experiment container 4 interior temperature are down to below 50 ℃, open first exhaust-valve 10, open simultaneously slowly experiment container air bleeding valve 3 (observing in the tank solution gas bubbling situation with suitable adjustment valve size by exhaust-gas treatment tank side I window 7), experiment container 4 interior waste gas are directly emptying after three grades of waste gas absorption process tanks absorb processing, observe when experiment container 4 internal pressures are down to 0.2MPa, close air bleeding valve 3, slowly open experiment container intake valve 2, in experiment container 4, pass into the nitrogen that is higher than its pressure 0.1～0.2MPa, and then slowly open experiment container air bleeding valve 3, continue waste gas emptying after three grades of waste gas absorption process tanks absorb processing.Nitrogen passed into purge time 1.5 hours.The exhaust-gas treatment flow process is closed air bleeding valve 3 after finishing, and regulates intake valve 2 and passes into nitrogen, experiment container 4 internal pressures are maintained 0.1～0.2MPa, open atmospheric valve 16, slowly open simultaneously III tapping valve 5, waste liquid by pipeline in feed liquor distributor 14 enters waste liquid recycling can 12.Without leakage, noresidue, free from extraneous odour, satisfy the requirement of laboratory safety working specification in the whole operating process.
3 exhaust-gas treatment tank body material selection polypropylene, single tank body volume is 8L, the size ratio of height to diameter is 2.5, the pressure of tank body ability 0.4MPa.Air inlet distributor 8 and I tapping valve 9 place tank base at the bottom of the tank, and 180 ° are symmetrical arranged, and I window 7 places I tapping valve 9 one sides, near tank body top.Air inlet distributor 8 is made by the airtight plastic tube of an end, and it is Φ 3mm aperture that tube wall can be processed a plurality of apertures, and air inlet distributor 8 stretches into pipe interior diameter 2/3 place.The absorbent solution liquid level that Sheng enters in the tank is near the window center line.Waste liquid treatment tank 12 tank body material selection polypropylene, single tank body volume is 50L, the size ratio of height to diameter is 2, the pressure about tank body ability 0.5MPa.Feed liquor distributor 14 and II tapping valve 11, hand hole 13 should place the tank base both sides at the bottom of the tank, and 180 ° are symmetrical arranged, and hand hole 13, II window 15 are 180 ° and place the other both sides of tank body, and hand hole 13 places tank base, and II window 15 places tank body top.Feed liquor distributor 14 is made by the airtight plastic tube of an end, and tube wall can be processed the aperture of a plurality of diameter of phi 5mm, and feed liquor distributor 14 stretches into pipe interior diameter 2/3 place.Contain the absorbent solution of 1/3 volume in the tank.Absorbent solution is the 10%NAOH solution that added the phenol indicator (phenol is added into solution and takes on a red color and get final product, and reusing becomes colorless to solution should consider to replace fresh solution) in 3 waste gas absorption tanks and the waste liquid recycling can.
Embodiment 2
What process is ammoniacal liquor, and used absorbent solution is 50% phosphoric acid solution.
Experiment condition is as shown in table 2.
Table 2 is processed the experiment condition of ammoniacal liquor
| Experiment container | Medium | NH 3Dividing potential drop (MPa) | Temperature (℃) |
| The 4L reactor | Distilled water | 0.2 | 50 |
After experiment finishes, slowly open experiment container air intake valve 2, in experiment container 4, pass into the nitrogen that is higher than its pressure 0.1～0.2MPa, open exhaust-valve 10, open simultaneously slowly experiment container air bleeding valve 3 (observing in the tank solution gas bubbling situation with suitable adjustment valve size by exhaust-gas treatment tank side I window 7), experiment container 4 interior waste gas are emptying after three grades of waste gas absorption process tanks absorb processing, and nitrogen passed into purge time 2 hours.The exhaust-gas treatment flow process is closed air bleeding valve 3 after finishing, and regulates intake valve 2 and passes into nitrogen, experiment container 4 internal pressures are maintained 0.1～0.2MPa, open atmospheric valve 16, slowly open simultaneously III tapping valve 5, waste liquid by pipeline in feed liquor distributor 14 enters waste liquid recycling can 12.Without leakage, noresidue, free from extraneous odour, satisfy the requirement of laboratory safety working specification in the whole operating process.
3 exhaust-gas treatment tank body material selection polytetrafluoroethylene (PTFE), single tank body volume is 12L, the size ratio of height to diameter is 2.5, the pressure of tank body ability 0.8MPa.Air inlet distributor 8 and I tapping valve 9 place tank base at the bottom of the tank, and 180 ° are symmetrical arranged, and I window 7 places I tapping valve 9 one sides, near tank body top.Air inlet distributor 8 is made by the airtight plastic tube of an end, and it is Φ 3mm aperture that tube wall can be processed a plurality of apertures, and air inlet distributor 8 stretches into pipe interior diameter 2/3 place.The absorbent solution liquid level that Sheng enters in the tank is near the window center line.Waste liquid treatment tank 12 tank body material selection polytetrafluoroethylene (PTFE), single tank body volume is 50L, the size ratio of height to diameter is 2, the pressure about tank body ability 0.8MPa.Feed liquor distributor 14 and II tapping valve 11, hand hole 13 should place the tank base both sides at the bottom of the tank, and 180 ° are symmetrical arranged, and hand hole 13, window 15 are 180 ° and place the other both sides of tank body, and hand hole 13 places tank base, and II window 15 places tank body top.Feed liquor distributor 14 is made by the airtight plastic tube of an end, and tube wall can be processed the aperture of a plurality of diameter of phi 5mm, and feed liquor distributor 14 stretches into pipe interior diameter 2/3 place.Contain the absorbent solution of 1/3 volume in the tank.Absorbent solution is 50% phosphoric acid solution that added the phenol indicator (reuse become redness to solution should consider to replace fresh solution) in 3 waste gas absorption tanks and the waste liquid recycling can.
Claims (10)
1. equipment that is used for the laboratory exhaust gas liquid waste processing, it is characterized in that: this laboratory exhaust gas waste liquor treatment equipment comprises caisson, the exhaust-gas treatment tank of 1 above arranged in series, the waste liquid recycling can, experiment container, air bleeding valve, intake valve and III tapping valve, the exhaust-gas treatment tank top is provided with gas vent, the bottom is provided with gas feed and I leakage fluid dram, the middle and upper part is provided with the I window, inside is provided with air inlet distributor, the I leakage fluid dram is connected with the I tapping valve, air inlet distributor is communicated with gas feed, the exhaust-gas treatment tank gas feed other end is connected with experiment container by air bleeding valve, when the exhaust-gas treatment tank is 1, exhaust-gas treatment tank gas vent connects exhaust-valve, the exhaust-gas treatment tank is 2 when above, the 1st exhaust-gas treatment tank gas vent links to each other with the 2nd exhaust-gas treatment tank gas feed, the like, last 1 exhaust-gas treatment tank gas vent connects exhaust-valve, waste liquid recycling can inside is provided with the feed liquor distributor, the bottom is provided with waste liquid recycling can entrance and waste liquid recycling can leakage fluid dram, the top is provided with waste liquid recycling can exhaust outlet and III window, the middle and upper part is provided with the II window, waste liquid recycling can middle and lower part is provided with hand hole in waste liquid recycling can leakage fluid dram top, waste liquid recycling can leakage fluid dram is communicated with the II tapping valve, the feed liquor distributor is communicated with waste liquid recycling can entrance, the waste liquid recycling can entrance other end is connected with experiment container by the III tapping valve, waste liquid recycling can exhaust outlet connects atmospheric valve, and caisson links to each other with experiment container by intake valve.
2. the equipment of laboratory exhaust gas liquid waste processing according to claim 1, it is characterized in that: the volume of described single exhaust-gas treatment tank is 3～10 times of experiment container volume.
3. the equipment of laboratory exhaust gas liquid waste processing according to claim 1 and 2, it is characterized in that: described exhaust-gas treatment tank size ratio of height to diameter is 2～4.
4. the equipment of laboratory exhaust gas liquid waste processing according to claim 1, it is characterized in that: described air inlet distributor and feed liquor distributor are made by the pipe of end sealing, be distributed with the aperture that diameter is 2～5mm on the tube wall, wherein the air inlet distributor openend links to each other with gas feed, and feed liquor distributor openend links to each other with waste liquid recycling can entrance.
5. the equipment of laboratory exhaust gas liquid waste processing according to claim 1, it is characterized in that: the material of described exhaust-gas treatment tank and waste liquid recycling can is the plastics of acid and alkali-resistance.
6. the equipment of laboratory exhaust gas liquid waste processing according to claim 5, it is characterized in that: the material of described exhaust-gas treatment tank and waste liquid recycling can is polypropylene or polytetrafluoroethylene (PTFE).
7. the equipment of laboratory exhaust gas liquid waste processing according to claim 1, it is characterized in that: the compression resistance of described exhaust-gas treatment tank and waste liquid recycling can is 0.3～1MPa.
8. the equipment of laboratory exhaust gas liquid waste processing according to claim 1, it is characterized in that: the single tank body volume of described waste liquid recycling can is 10～50 times of experiment container volume.
9. according to claim 1 or the equipment of 8 described laboratory exhaust gas liquid waste processing, it is characterized in that: the tank body size ratio of height to diameter of described waste liquid recycling can is 1.5～4.
10. the equipment of laboratory exhaust gas liquid waste processing according to claim 1, it is characterized in that: described air inlet distributor stretches into 1/2～2/3 place of exhaust-gas treatment tank interior diameter, and the feed liquor distributor stretches into 1/2～2/3 place of waste liquid recycling can interior diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577818 CN202876645U (en) | 2012-10-29 | 2012-10-29 | Device for treating waste gas amd waste liquid in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577818 CN202876645U (en) | 2012-10-29 | 2012-10-29 | Device for treating waste gas amd waste liquid in laboratory |
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| Publication Number | Publication Date |
|---|---|
| CN202876645U true CN202876645U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220577818 Expired - Lifetime CN202876645U (en) | 2012-10-29 | 2012-10-29 | Device for treating waste gas amd waste liquid in laboratory |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285723A (en) * | 2013-06-07 | 2013-09-11 | 蔡如尤 | Waste gas treating device |
| CN109231514A (en) * | 2018-09-07 | 2019-01-18 | 河北地质大学 | laboratory environment safety control system |
-
2012
- 2012-10-29 CN CN 201220577818 patent/CN202876645U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285723A (en) * | 2013-06-07 | 2013-09-11 | 蔡如尤 | Waste gas treating device |
| CN109231514A (en) * | 2018-09-07 | 2019-01-18 | 河北地质大学 | laboratory environment safety control system |
| CN109231514B (en) * | 2018-09-07 | 2021-07-13 | 河北地质大学 | Laboratory environment safety control system |
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Granted publication date: 20130417 |