CN216484828U - Device for testing integral CDPF performance - Google Patents
Device for testing integral CDPF performance Download PDFInfo
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- CN216484828U CN216484828U CN202122647195.7U CN202122647195U CN216484828U CN 216484828 U CN216484828 U CN 216484828U CN 202122647195 U CN202122647195 U CN 202122647195U CN 216484828 U CN216484828 U CN 216484828U
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Abstract
A device for testing the performance of an integral CDPF comprises a filter, a mixing tank, an integral CDPF reaction furnace; the filter is connected to a mixing tank, and the mixing tank is connected to the gas inlet end of the quartz reaction tube; the quartz reaction tube is arranged in the integral CDPF reaction furnace; the gas outlet end of the quartz reaction tube is connected to a gas-liquid separator; the gas outlet end of the gas-liquid separator is connected to the smoke probe mounting pool; the smoke probe installation pool is connected with a smoke analyzer; the quartz reaction tube is filled with integrated CDPF and quartz wool. The device for testing the performance of the integral CDPF can conveniently and quickly test the performance of the integral CDPF, has the advantages of simple structure, convenient manufacture and quick filling of the integral CDPF, and is favorable for popularization and use.
Description
Technical Field
The utility model relates to a catalyst characterization platform technology, in particular to a device for testing integral CDPF performance.
Background
Excessive emission of PM causes more severe haze in our cities, and also affects the health of people. Therefore, the exhaust emission of the diesel engine is reduced as much as possible, and the harmful gas emitted by the diesel engine cannot be effectively cleaned only by modifying the engine and preparing cleaner diesel oil. Therefore, diesel exhaust aftertreatment technology must be combined to achieve better PM and NOx emissions reduction, and one of such technologies is the production of integrated CDPF. Currently, there is no good platform for rapidly detecting the performance of the integral CDPF, so a device for rapidly detecting the performance of the prepared integral CDPF by the platform is needed.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide a device for testing the performance of an integrated CDPF, which is intended to solve the above technical problems.
In order to achieve the purpose, the utility model provides a device for testing the performance of an integral CDPF, which comprises a filter, a mixing tank, an integral CDPF reaction furnace and a flue gas analyzer; the filter is connected to a mixing tank, and the mixing tank is connected to the gas inlet end of the quartz reaction tube; the quartz reaction tube is arranged in the integral CDPF reaction furnace; the gas outlet end of the quartz reaction tube is connected to a gas-liquid separator; the gas outlet end of the gas-liquid separator is connected to the smoke probe mounting pool; a probe of the flue gas analyzer is arranged in the flue gas probe mounting pool; the quartz reaction tube is filled with integrated CDPF and quartz wool.
Preferably, a three-way joint is arranged at the upper end of the quartz reaction tube; the left end of the three-way joint is connected with the gas circuit, the upper end of the three-way joint is connected with the first temperature probe, and the lower end of the three-way joint is connected with the upper end of the quartz reaction tube; the lower end of the quartz reaction tube is provided with a two-way joint; the upper end of the two-way joint is connected with the quartz reaction tube, and the lower end of the two-way joint is connected with the gas circuit.
Preferably, a second temperature probe is provided on the integral CDPF reactor.
Preferably, both ends of the quartz reaction tube are fixed on the integral CDPF reaction furnace through hexagonal angle screws.
Preferably, the smoke probe installation pool is connected with a tail gas absorption bottle.
Preferably, the filter is provided in plurality and is connected to the mixing tank.
Preferably, a first switch valve and an electronic flowmeter are arranged between the filter and the mixing tank, and the electronic flowmeter is used for controlling the flow of the gas circuit.
Preferably, a pressure gauge and a second switch valve are arranged between the mixing tank and the quartz reaction tube.
Preferably, a condenser is provided in the gas-liquid separator.
Preferably, a needle valve is arranged at the liquid outlet end of the gas-liquid separator.
The utility model achieves the following beneficial effects: in the performance test of the integral CDPF, the initial concentrations of various gases are analyzed when quartz cotton and the integral CDPF are not filled, then the integral CDPF catalyst, the quartz cotton and the integral CDPF are filled, the tail gas after reaction enters a gas-liquid separator, then enters a smoke probe mounting pool, the concentration of various gases after reaction is detected by a smoke analyzer, and finally the tail gas is absorbed by a tail gas absorption bottle. The device for testing the performance of the integral CDPF can conveniently and quickly test the performance of the integral CDPF. The device has the advantages of simple structure, convenient manufacture and capability of quickly filling the integral CDPF, and is favorable for popularization and use.
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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an apparatus for testing the performance of an integral CDPF according to the present invention;
FIG. 2 is a schematic view of the construction of the integrated CDPF reactor of the present invention;
the reference numbers illustrate: 1-a filter; 2-a first on-off valve; 3-an electronic flow meter; 4-mixing tank; 5-a pressure gauge; 6-a second switch valve; 7-integral CDPF reactor; 8-quartz reaction tube; 9-gas-liquid separator; a 10-needle valve; 11-a condenser; 12-a smoke probe installation pool; 13-a flue gas analyzer; 14-tail gas absorption bottle; 15-a first temperature probe; 16-a three-way connection; 17-hexagonal corner angle screw; 18-integral CDPF; 19-quartz wool; 20-a two-way joint; 21-second temperature probe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, a device for testing the performance of an integral CDPF comprises a filter 1, a mixing tank 4, an integral CDPF reaction furnace 8, a flue gas analyzer 13; the filter 1 is connected to a mixing tank 4, and the mixing tank 4 is connected to the gas inlet end of a quartz reaction tube 8; the quartz reaction tube 8 is arranged in the integral CDPF reaction furnace 7; the gas outlet end of the quartz reaction tube 8 is connected to a gas-liquid separator 9; the gas outlet end of the gas-liquid separator 9 is connected to a flue gas probe installation pool 12; the probe of the flue gas analyzer 13 is arranged in the flue gas probe installation pool 12, so that the detection of the gas concentration before and after the reaction is realized. The smoke probe installation pool 12 is also connected with a tail gas absorption bottle 14. A pressure gauge 5 and a second switch valve 6 are arranged between the mixing tank 4 and the quartz reaction tube 8. The gas-liquid separator 9 is provided with a condenser 11. A needle valve 10 is arranged at the liquid outlet end of the gas-liquid separator 9.
In the present embodiment, as shown in fig. 2, a three-way joint 16 is provided at the upper end of the quartz reaction tube 8; the left end of the three-way joint 16 is connected with the gas circuit, the upper end of the three-way joint is connected with the first temperature probe 15, and the lower end of the three-way joint is connected with the upper end of the quartz reaction tube 8; the quartz reaction tube 8 is filled with an integral CDPF 18 and quartz wool 19; the lower end of the quartz reaction tube 8 is provided with a two-way joint 20; the upper end of the two-way joint 20 is connected to the quartz reaction tube 8, and the lower end of the two-way joint 20 is connected to the gas circuit. A second temperature probe 21 is provided on the integral CDPF reactor 7. Both ends of the quartz reaction tube 8 are fixed on the integral CDPF reaction furnace 7 through hexagonal angle screws 17.
In the present embodiment, the number of the filters 1 is five, and the filters are respectively connected to the mixing tank 4, and a first switching valve 2 and an electronic flow meter 3 are provided between the filters 1 and the mixing tank 4. The electronic flow meter 3 is used for controlling the flow of each gas path and then is connected with the mixing tank 4.
The working principle of the utility model is as follows:
when the device works, gas firstly passes through the filter 1 and the first switch valve 2, then the flow of each gas path is regulated through the electronic flowmeter 3, the total flow is set to be 1L/min, the gas enters the smoke probe mounting pool 12 through the second switch valve 6, the integral CDPF reaction furnace 7 and the gas-liquid separator 9, the initial concentration of each gas is analyzed, after the gas concentration is stable, the first switch valve 2 is closed, then the integral CDPF catalyst is filled, quartz wool 19 and the integral CDPF 18 are placed into the quartz reaction tube 8, the quartz reaction tube 8 is sealed and fixed through the hexagonal angle screw 17, and the quartz reaction tube 8 is connected with the gas path through the three-way connector 16 and the two-way connector 20.
The first switch valve 2 is opened, the gas enters a quartz reaction tube 8, an integral CDPF catalyst is arranged in the reaction tube, and then a heating jacket of the reactor is controlled to be heated up, and catalytic reaction is carried out at a certain temperature.
The reacted tail gas enters a gas-liquid separator 9, then enters a smoke probe installation pool 12, the concentration of various gases after reaction is detected by a smoke analyzer 13, and finally the tail gas is absorbed by a tail gas absorption bottle 14.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An apparatus for testing the performance of an integral CDPF, comprising: comprises a filter (1), a mixing tank (4), an integral CDPF reaction furnace (7) and a flue gas analyzer (13);
the filter (1) is connected to the mixing tank (4), and the mixing tank (4) is connected to the gas inlet end of the quartz reaction tube (8); the quartz reaction tube (8) is arranged in the integral CDPF reaction furnace (7); the gas outlet end of the quartz reaction tube (8) is connected to a gas-liquid separator (9); the gas outlet end of the gas-liquid separator (9) is connected to a smoke probe mounting pool (12); a probe of the flue gas analyzer (13) is arranged in the flue gas probe installation pool (12); the quartz reaction tube (8) is filled with integral CDPF (18) and quartz wool (19).
2. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: the upper end of the quartz reaction tube (8) is provided with a three-way joint (16); the left end of the three-way joint (16) is connected into the gas circuit, the upper end of the three-way joint is connected into the first temperature probe (15), and the lower end of the three-way joint is connected with the upper end of the quartz reaction tube (8);
the lower end of the quartz reaction tube (8) is provided with a two-way joint (20); the upper end of the two-way joint (20) is connected into the quartz reaction tube (8), and the lower end of the two-way joint (20) is connected into the gas circuit.
3. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: and a second temperature probe (21) is arranged on the integral CDPF reaction furnace (7).
4. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: both ends of the quartz reaction tube (8) are fixed on the integral CDPF reaction furnace (7) through hexagonal screws (17).
5. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: and the smoke probe mounting pool (12) is connected with a tail gas absorption bottle (14).
6. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: the filter (1) is in a plurality of numbers and is respectively connected to the mixing tank (4).
7. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: a first switch valve (2) and an electronic flowmeter (3) are arranged between the filter (1) and the mixing tank (4).
8. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: a pressure gauge (5) and a second switch valve (6) are arranged between the mixing tank (4) and the quartz reaction tube (8).
9. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: a condenser (11) is arranged on the gas-liquid separator (9).
10. The apparatus of claim 1, wherein the means for testing the performance of the integrated CDPF comprises: a needle valve (10) is arranged at the liquid outlet end of the gas-liquid separator (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122647195.7U CN216484828U (en) | 2021-11-01 | 2021-11-01 | Device for testing integral CDPF performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122647195.7U CN216484828U (en) | 2021-11-01 | 2021-11-01 | Device for testing integral CDPF performance |
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| CN216484828U true CN216484828U (en) | 2022-05-10 |
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| CN202122647195.7U Active CN216484828U (en) | 2021-11-01 | 2021-11-01 | Device for testing integral CDPF performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183152A (en) * | 2022-07-26 | 2022-10-14 | 中国科学院大连化学物理研究所 | Control gas circuit of pumping gas injection ion mobility spectrometer |
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2021
- 2021-11-01 CN CN202122647195.7U patent/CN216484828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115183152A (en) * | 2022-07-26 | 2022-10-14 | 中国科学院大连化学物理研究所 | Control gas circuit of pumping gas injection ion mobility spectrometer |
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