CN210665651U - Inhale desorption testing platform - Google Patents
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- CN210665651U CN210665651U CN201920850198.0U CN201920850198U CN210665651U CN 210665651 U CN210665651 U CN 210665651U CN 201920850198 U CN201920850198 U CN 201920850198U CN 210665651 U CN210665651 U CN 210665651U
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Abstract
The utility model discloses an inhale desorption testing platform, including VOC raw and other materials device, diluent gas steel bottle (2), with VOC raw and other materials device's gas outlet with mixing chamber (5) that the gas outlet of diluent gas steel bottle (2) all communicates, with heating accuse greenhouse (6) that the gas outlet of mixing chamber (5) is connected, with the absorption that heating accuse greenhouse (6) are connected is taken off and is attached room (7), with gas collection device (12) of the gas outlet intercommunication of absorption desorption room (7), absorption desorption attaches room (7) with gas collection device (12) are connected through first three-way valve (9), another port of first three-way valve (9) detects mouth (91) for the process gas. This inhale desorption testing platform can greatly reduced input, and the pertinence is very strong, can acquire the treatment effect of required material to each kind of organic waste gas, promotes VOCs exhaust-gas treatment's efficiency.
Description
Technical Field
The utility model relates to an environmental protection trade exhaust-gas treatment field especially relates to an inhale desorption testing platform.
Background
Along with the improvement of people on environmental awareness and the control of the country on environmental protection requirements, the waste gas treatment in the environmental protection industry is more and more emphasized. The industries such as electronics, chemical engineering, automobiles, spraying, plastics, waste incineration and the like can generate VOCs gas emission, the generation of the VOCs gas not only affects the quality of produced products, but also stimulates the respiration and nervous system of human bodies, most VOCs are flammable and explosive, the health and personal safety of operating personnel in the surrounding environment are seriously affected, and some chlorofluorocarbons can also damage the ozone layer to cause radiation and aggravation of global warming. At present, VOCs are treated by two methods, namely recovery and destruction, wherein the recovery mainly aims at waste gas with high concentration and useful value, and organic waste gas without the useful value or with low concentration is directly destroyed by oxidation-reduction, catalytic oxidation and the like. In reality, the condition of low concentration and large air volume is met mostly, and according to the working condition, waste gas needs to be concentrated firstly, and then is oxidized and combusted, namely, the adsorption and concentration of the molecular sieve rotating wheel in the industry are promoted at present. However, the existing literature aiming at the adsorption and concentration of the molecular sieve is industrial treatment, starting from large-scale engineering, if the research on whether the selected molecular sieve meets the requirements and how to absorb and desorb the molecular sieve is needed, the targeted selection of different organic waste gases is difficult to realize, and the engineering use investment is very large, and the cost is very high.
In summary, how to effectively provide an adsorption and desorption detection platform, which can greatly reduce the investment and has strong pertinence, and can obtain the treatment effect of the required material for each organic waste gas is a problem that needs to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an inhale desorption testing platform, this inhale desorption testing platform can greatly reduced drop into, and the pertinence is very strong, can acquire the treatment effect of required material to each kind of organic waste gas, promotes VOCs exhaust-gas treatment's efficiency.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides an inhale desorption testing platform, including VOC raw and other materials device, dilute gas steel bottle, with the gas outlet of VOC raw and other materials device with the mixing chamber that the gas outlet of dilute gas steel bottle all communicates, with the heating accuse greenhouse that the gas outlet of mixing chamber is connected, with the absorption desorption room that heating accuse greenhouse is connected, with the gas collecting device of the gas outlet intercommunication of absorption desorption room, the absorption desorption room with gas collecting device passes through first three-way valve connection, another port of first three-way valve is the processing gas detection mouth.
Preferably, the mixing chamber and the heating temperature control chamber are connected through a second three-way valve, another port of the second three-way valve is connected with an untreated gas inlet of a third three-way valve, a second end of the third three-way valve is an untreated gas detection port, and an untreated gas collection port of the third three-way valve is connected with a gas inlet of the gas collection device.
Preferably, the processing gas detection port is connected to a gas inlet of the detection and analysis device, and the raw gas detection port is connected to a gas inlet of the detection and analysis device.
Preferably, the VOC raw material means comprises a VOC generation means or/and a number of raw gas cylinders.
Preferably, the VOC generation device comprises a tank of liquid VOC and a heating device for heating the tank of liquid VOC, the heating device comprising an on/off switch and a temperature control regulation system.
Preferably, the tank of liquid VOC is located within the heating device.
Preferably, the liquid VOC storage tank comprises a liquefied gas outlet and a storage tank liquid inlet.
Preferably, a pressure reducing valve, a purifier, an electromagnetic valve and a flowmeter are sequentially connected to a connecting pipeline between the raw gas steel cylinder and the mixing chamber and a connecting pipeline between the diluent gas steel cylinder and the mixing chamber.
Preferably, a heating resistance wire and a temperature control component are arranged inside the heating and temperature control chamber.
Preferably, the adsorption and desorption chamber comprises a catalyst placing area inside and an insulating layer wrapped outside, and the adsorption and desorption chamber is provided with a temperature rising-controlling component.
The utility model provides an inhale desorption testing platform, including VOC raw and other materials device, dilution gas steel bottle, mixing chamber, heating accuse temperature room, inhale desorption chamber and gas collection device, VOC raw and other materials device can be liquid, also can be gaseous, makes the experiment not only can carry out the gas-gas mixture and can also carry out gas-liquid mixture. When the concentration of the VOC raw material is high, the VOC raw material can be diluted by the diluent gas of the diluent gas cylinder. The gases from the VOC raw material device and the diluent gas cylinder enter a mixing chamber where all the gases are fully contacted and mixed. It should be noted that the gas mixing chamber is preferably used for gas mixing, and any device capable of uniformly mixing two or more gases, such as a venturi tube, may be used.
Connect the heating control room behind the mixing chamber, the heating control room can heat and accurate accuse temperature, the gaseous temperature of mixed VOCs of control to the live gas temperature state of simulation. Gas with set concentration, flow rate and temperature flows into the adsorption and desorption chamber from the heating control chamber, a catalyst to be detected is placed in the adsorption and desorption chamber, the gas after adsorption and desorption is detected and analyzed, and the gas which does not meet the emission requirement is collected by the gas collection device and then is treated uniformly.
The utility model provides an inhale desorption testing platform, it is little to occupy the space, and the input is few, and the pertinence is very strong, can dispose the VOCs gas of arbitrary kind, concentration, velocity of flow and temperature as required, and the desorption processing environment is inhaled in the simulation, can acquire the treatment effect of required material to each kind of organic waste gas, simple and practical, the simple operation, the condition is set for conveniently, promotes to VOCs exhaust-gas treatment's efficiency and has very important meaning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an adsorption and desorption detection platform provided in an embodiment of the present invention.
The drawings are numbered as follows:
1-raw gas cylinder; 2-a diluent gas cylinder; 3-a liquid VOC storage tank; 4-a heating device; 5-a mixing chamber; 6-heating temperature control chamber; 7-adsorption and desorption chambers; 8-a second three-way valve; 9-a first three-way valve; 10-a third three-way valve; 11-detection analysis means; 12-a gas collection device; 13-a pressure relief valve; 14-a purifier; 15-an electromagnetic valve; 16-a flow meter; 31-a storage tank liquid inlet; 32-liquefied gas outlet; a 41-on/off switch; 42-temperature control regulating system; 61-heating resistance wire; 71-an insulating layer; 91-a process gas detection port; 92-a process gas collection port; 101-untreated gas detection port; 102-untreated gas collection port.
Detailed Description
The core of the utility model is to provide an inhale desorption testing platform, should inhale desorption testing platform can greatly reduced drop into, and the pertinence is very strong, can acquire the treatment effect of required material to each kind of organic waste gas, promotes VOCs exhaust-gas treatment's efficiency.
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.
Referring to fig. 1, fig. 1 is a schematic view of an adsorption and desorption detection platform according to an embodiment of the present invention.
In a specific embodiment, the utility model provides an inhale desorption testing platform, including VOC raw and other materials device, diluent gas steel bottle 2, the mixing chamber 5 that all communicates with the gas outlet of VOC raw and other materials device and diluent gas steel bottle 2, the heating temperature control room 6 of being connected with the gas outlet of mixing chamber 5, the absorption desorption room 7 of being connected with heating temperature control room 6, the gas collection device 12 of the gas outlet intercommunication of absorption desorption room 7, absorption desorption room 7 and gas collection device 12 are connected through first three-way valve 9, another port of first three-way valve 9 detects mouth 91 for the process gas.
In the above-mentioned structure, inhale desorption testing platform includes VOC raw and other materials device, diluent gas steel bottle 2, mixing chamber 5, heating accuse greenhouse 6, adsorbs desorption room 7 and gas collection device 12, and VOC raw and other materials device can be liquid, also can be gaseous, makes the experiment not only can carry out the gas-gas mixture and can also carry out gas-liquid mixture. When the VOC raw material concentration is high, the VOC raw material can be diluted by the diluent gas of the diluent gas cylinder 2.
The above-mentioned mixing chamber 5 communicating with both the outlet port of the VOC raw material device and the outlet port of the diluent gas cylinder 2, in other words, the gases of the VOC raw material device and the diluent gas cylinder 2 enter the mixing chamber 5, and all the gases are sufficiently contacted and mixed in the mixing chamber 5. It should be noted that the gas mixing chamber 5 is preferably used for gas mixing, and any device capable of uniformly mixing two or more gases, such as a venturi tube, may be used.
It should be explained that the heating control chamber is connected behind the mixing chamber 5, and the heating control chamber can heat and accurately control the temperature, and control the temperature of the mixed VOCs gas, thereby simulating the temperature state of the gas in the field. The gas of set concentration, flow rate and temperature flows from the heating control chamber into the adsorption/desorption chamber 7. The process gas collecting port 92 of the adsorption and desorption chamber 7 and the gas collecting device 12 is connected through the first three-way valve 9, the other port of the first three-way valve 9 is a process gas detecting port 91, a catalyst to be detected is placed in the adsorption and desorption chamber 7, detection and analysis are performed on gas after adsorption and desorption, and the gas which does not meet the emission requirement is collected by the gas collecting device 12 and then is processed in a unified manner. Specifically speaking, gas collection device 12 is in whole absorption and desorption testing platform is the very end, and exhaust-gas treatment adopts the waste gas collection mode, collects the substandard gas that produces in the waste gas storage tank, and the processing of destroying such as follow-up burning is carried out in unison, has avoided substandard gas's secondary pollution, and has avoided the outfit of more complicated devices such as burning, and can save space.
The adsorption and desorption detection platform is suitable for small laboratory operation, has less input and generated VOC content, is suitable for collecting and uniformly treating waste gas, can be added with a small oxidation device if necessary, and directly converts the waste gas into carbon dioxide and water and then discharges the carbon dioxide and water into the atmosphere.
The utility model provides an inhale desorption testing platform, it is little to occupy the space, and the input is few, and the pertinence is very strong, can dispose the VOCs gas of arbitrary kind, concentration, velocity of flow and temperature as required, and the desorption processing environment is inhaled in the simulation, can acquire the treatment effect of required material to each kind of organic waste gas, simple and practical, the simple operation, the condition is set for conveniently, promotes to VOCs exhaust-gas treatment's efficiency and has very important meaning.
In addition to the above embodiments, the mixing chamber 5 and the heating temperature control chamber 6 are connected by a second three-way valve 8, another port of the second three-way valve 8 is connected to an untreated gas inlet of a third three-way valve 10, a second end of the third three-way valve 10 is an untreated gas detecting port 101, and an untreated gas collecting port 102 of the third three-way valve 10 is connected to a gas inlet of a gas collecting device 12. That is, three-way control valves are provided before the heating temperature control chamber 6, after the adsorption/desorption chamber 7, and after the mixing chamber 5, to control the gas flow paths. And detecting and analyzing the gas before adsorption and desorption to ensure that the generated gas meets the required flow, concentration and flow rate, is directly discharged or collected in a non-conforming way, and is introduced into the heating temperature control chamber and the adsorption and desorption chamber until the required gas condition is reached to detect the adsorption and desorption performance. The existence of the three-way valves is mutually matched to ensure that the part which does not reach the standard in the gas which is not treated by the catalyst and is treated by the catalyst is collected or oxidized, so that the secondary pollution is avoided.
Through the establishment of the adsorption and desorption detection platform, the treatment effect of the catalyst on certain specific gases at specific proportions and temperatures can be researched in a targeted manner, the operation is convenient, the condition setting is convenient, and the method is favorable for the industrial basic research.
On the basis of the above-mentioned embodiments, a person skilled in the art can, according to different situations, the adsorption and desorption detection platform is changed a plurality of times, the gas collection device 12 can be communicated with the mixing chamber 5 and the adsorption and desorption chamber 7 through a three-way valve, if an on-line continuous monitoring device is used, the gases in the mixing chamber 5 and the adsorption and desorption chamber 7 are directly connected with the continuous monitoring device through a three-way valve, namely, the treated gas detection port 91 is connected with the gas inlet of the detection and analysis device 11, the untreated gas detection port 101 is connected with the gas inlet of the detection and analysis device 11, the on-line monitoring is realized, the gas concentration and temperature change conditions in the whole process can be monitored, the guide of the three-way valve can be changed at any time, and it needs to be explained that the detection and analysis device 11 can be a simple handheld VOC detector, a chromatograph, NDIR, FTIR and other on-line monitoring devices.
To the desorption testing platform that inhales among above-mentioned each embodiment, VOC raw and other materials device includes VOC generating device or a plurality of feed gas steel bottle 11, VOC generating device and feed gas steel bottle gas can be placed one of them also can be equipped with liquid VOC storage tank 3 and high-pressure gas steel bottle simultaneously to can place several VOC generating device and feed gas steel bottle 11 as required, can prepare gas-gas mixture simultaneously, gas-liquid mixture VOCs gas, the convenient raw materials state of arbitrary selection, it is more universal to use, and wide application.
Further optimize above-mentioned technical scheme, VOC generating device includes liquid VOC storage tank 3 and is used for carrying out the heating device 4 that heats to liquid VOC storage tank 3, and heating device 4 includes on/off switch 41 and accuse temperature governing system 42, according to different liquid VOC's boiling point height, adjusts accuse temperature governing system 42 and can change the evaporation capacity of VOC organic solvent, and the VOC gasification production volume is adjusted in accurate accuse temperature, guarantees that gaseous allotment to required concentration and temperature.
The utility model provides an inhale desorption testing platform, under the unchangeable condition of other parts, in heating device 4 is arranged in to liquid VOC storage tank 3, water-bath heating is big than the heat capacity, and temperature control is even more stable. Except that the water bath heating, other any principle mode that can make the even vaporization of liquid can also be adopted to heating device 4 and vaporization is handled, for example liquid VOC storage tank 3 heats in heating device 4 outside is indirect the utility model discloses a within the scope of protection.
Technical personnel in the field can carry out a plurality of changes to above-mentioned embodiment according to the difference of concrete occasion, liquid VOC storage tank 3 has two through-holes, liquefied gas export 32 and storage tank inlet 31, liquefied gas export 32 is used for the pipeline to switch on with the rear portion device, storage tank inlet 31 is used for liquid VOC to pour into, replenish VOC liquid solvent, can be under the condition of not opening the jar body, pour into liquid VOC into in the storage tank at any time, not only succinct convenience, easily operation, still need not stop the experiment and open the closing cap, the environmental pollution that the volatile brought of liquid VOC has been reduced, can replenish the solvent at any time.
In another more reliable embodiment, on the basis of any one of the above embodiments, a pressure reducing valve 13, a purifier 14, an electromagnetic valve 15 and a flow meter 16 are sequentially connected to a connecting pipeline between the raw gas steel cylinder 1 and the mixing chamber 5 and a connecting pipeline between the diluent gas steel cylinder 2 and the mixing chamber 5, and the pressure reducing valve 13 can reduce the gas pressure and is safer. From raw material gas cylinder 1, dilution gas cylinder 2 or evaporation vaporization's VOC, through 14 purification filtration detach impurity of clarifier, avoid the influence to catalyst treatment effect, also can use drying unit and filter unit to combine, carry out the drying to the gas promptly and reduce steam and carried out the filtration and detach impurity again. The purified VOC gas controls the one-way circulation direction of the gas through an electromagnetic valve 15, the mixing proportion of each gas is accurately controlled through a flowmeter 16, VOCs gas with set proportion is fully and uniformly mixed in the mixing chamber 5 and flows into the heating temperature control chamber 6, and the mixed gas has set temperature.
On the basis of each specific embodiment, the heating resistance wire 61 and the temperature control assembly are arranged in the heating temperature control chamber 6, the heating temperature control chamber 6 and the adsorption and desorption chamber 7 jointly create an environment which is closer to the actual condition for catalyst gas treatment, and when only diluent gas is turned on, the catalyst area can be subjected to high-temperature desorption regeneration.
It should be pointed out especially that, the utility model provides an inhale desorption testing platform should not be restricted to this kind of situation, and the district is placed including inside catalyst to the absorption desorption room 7, outside parcel has heat preservation 71, and the district can be placed for the quartz glass pipeline to the catalyst, can place granular catalyst in the quartz pipeline also can place the shaping product that has the carrier. The heat-insulating layer 71 is made of heat-insulating materials, so that the temperature environment in the catalyst treatment stage is guaranteed to be unchanged, preferably, the peripheral heat-insulating layer 71 and the central catalyst placing area can be separated, and the quartz glass is adopted in the internal material placing area, so that the change of the catalyst can be observed conveniently. The adsorption and desorption chamber 7 is provided with a temperature rise-control assembly which can be set to be in an openable mode, so that the temperature can be conveniently regulated and controlled.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides an inhale desorption testing platform and introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an inhale desorption testing platform, its characterized in that, including VOC raw and other materials device, diluent gas steel bottle (2), with the gas outlet of VOC raw and other materials device with mixing chamber (5) that the gas outlet of diluent gas steel bottle (2) all communicates, with heating accuse temperature room (6) that the gas outlet of mixing chamber (5) is connected, with adsorption and desorption room (7) that heating accuse temperature room (6) are connected, with gas collecting device (12) of the gas outlet intercommunication of adsorption and desorption room (7), adsorption and desorption room (7) with gas collecting device (12) are connected through first three-way valve (9), another port of first three-way valve (9) is process gas detection mouth (91).
2. The adsorption and desorption detection platform according to claim 1, wherein the mixing chamber (5) and the heating and temperature control chamber (6) are connected by a second three-way valve (8), another port of the second three-way valve (8) is connected with an untreated gas inlet of a third three-way valve (10), a second end of the third three-way valve (10) is an untreated gas detection port (101), and an untreated gas collection port (102) of the third three-way valve (10) is connected with a gas inlet of the gas collection device (12).
3. The adsorption and desorption detection platform according to claim 2, wherein the process gas detection port (91) is connected with a gas inlet of the detection and analysis device (11), and the untreated gas detection port (101) is connected with a gas inlet of the detection and analysis device (11).
4. The adsorption and desorption detection platform according to any one of claims 1 to 3, wherein the VOC raw material device comprises a VOC generation device or/and a plurality of raw gas steel cylinders (1).
5. The desorption detection platform according to claim 4, wherein the VOC generation device comprises a liquid VOC storage tank (3) and a heating device (4) for heating the liquid VOC storage tank (3), and the heating device (4) comprises an on/off switch (41) and a temperature control and regulation system (42).
6. The desorption detection platform according to claim 5 wherein the liquid VOC storage tank (3) is placed in the heating device (4).
7. The desorption detection platform according to claim 5 wherein the liquid VOC storage tank (3) comprises a liquefied gas outlet (32) and a storage tank liquid inlet (31).
8. The adsorption and desorption detection platform according to claim 4, wherein a connection pipeline between the raw gas steel cylinder (1) and the mixing chamber (5) and a connection pipeline between the dilution gas steel cylinder (2) and the mixing chamber (5) are sequentially connected with a pressure reducing valve (13), a purifier (14), an electromagnetic valve (15) and a flow meter (16).
9. The adsorption and desorption detection platform according to claim 1, wherein a heating resistance wire (61) and a temperature control component are arranged in the heating temperature control chamber (6).
10. The adsorption and desorption detection platform according to claim 1, wherein the adsorption and desorption chamber (7) comprises a catalyst placing area inside and an insulating layer (71) wrapped outside, and the adsorption and desorption chamber (7) is equipped with a temperature rising-controlling component.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114544870A (en) * | 2022-02-10 | 2022-05-27 | 中国华能集团清洁能源技术研究院有限公司 | Absorbent performance detection device |
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CN114544870A (en) * | 2022-02-10 | 2022-05-27 | 中国华能集团清洁能源技术研究院有限公司 | Absorbent performance detection device |
WO2023151207A1 (en) * | 2022-02-10 | 2023-08-17 | 中国华能集团清洁能源技术研究院有限公司 | Absorbent performance testing device |
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Address after: No. 301 Huifa Road, Jiading District, Shanghai, 2018 Patentee after: Shanghai Shengjian Technology Co.,Ltd. Country or region after: China Address before: 201821 25F, Taihu Shijia International Building, 1198 De Fu Road, Jiading District, Shanghai Patentee before: SHANGHAI SHENGJIAN ENVIRONMENTAL SYSTEM TECHNOLOGY Co.,Ltd. Country or region before: China |