CN210198716U - Particle catcher simulation particulate matter negative pressure loading device - Google Patents
Particle catcher simulation particulate matter negative pressure loading device Download PDFInfo
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- CN210198716U CN210198716U CN201921159485.3U CN201921159485U CN210198716U CN 210198716 U CN210198716 U CN 210198716U CN 201921159485 U CN201921159485 U CN 201921159485U CN 210198716 U CN210198716 U CN 210198716U
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Abstract
The utility model discloses a particle catcher simulation particulate matter negative pressure loading device, it includes the air compressor machine, the particulate matter hybrid chamber, can dismantle particle catcher and industry dust catcher, the air compressor machine is linked together through air supply pipeline and particulate matter hybrid chamber, install the admission valve on the air supply pipeline, be provided with the particulate matter on the particulate matter hybrid chamber and add the mouth, the exit linkage that the air supply pipeline inserted the particulate matter hybrid chamber has the air inlet whirl pipeline, the particulate matter hybrid chamber is linked together through air supply pipeline and can dismantle particle catcher, can dismantle particle catcher and be linked together through exhaust pipe and industry dust catcher. The negative pressure loading device provides negative pressure through the industrial dust collector to load particles. The post-treatment device loading device has the advantages that the post-treatment device loading devices with various specifications and sizes is wide in flow coverage range, in addition, the particulate matter leakage risk in the loading process is small, the loaded particulate matter concentration is uniform, the particulate matter loading of the internal combustion engine can be well simulated, the development period is obviously shortened, and the product development cost is reduced.
Description
Technical Field
The utility model belongs to motor vehicle exhaust processing technique especially relates to a particulate matter loading of various specification and dimension after treatment device for internal-combustion engine exhaust emission, also can be used to the particle trap simulation particulate matter negative pressure loading device of filter material such as filter paper, filter cloth to the filtration efficiency aassessment of aerosol simultaneously.
Background
With the increase of the total value of domestic production, the quantity of domestic motor vehicles is gradually increased. However, with the increase of motor vehicles, the problem of exhaust pollution caused by the motor vehicles is gradually revealed, and data show that the particulate matter emission of the motor vehicles accounts for about 30% of the total emission. The haze phenomenon seriously affects the health and social stability of residents, and the search for high-efficiency pollutant discharge technology of motor vehicles is urgent.
The particulate trap can effectively reduce the particulate matter emission of the internal combustion engine, and can be divided into a diesel particulate trap (DPF) and a gasoline particulate trap (GPF) according to the difference of the types of the adapters. Both types of particle traps are effective in reducing the particle emissions of internal combustion engines, and in technical development, it is often necessary to fill the particle trap with particles, i.e. to carry out particle loading.
Due to the continuous progress of the internal combustion engine technology, the particulate matters discharged in unit time are less, a longer loading period is needed when the particulate matters are loaded, higher loading cost is needed, the product development progress of the particle catcher product is seriously influenced, and the mass production progress of the particle catcher product is influenced. The artificial particles (simulating soot and simulating ash) are used for simulating the loading of the particles of the internal combustion engine, so that the development period can be obviously shortened, and the development cost is saved.
When the simulated particulate matter is loaded, the amount of particulates trapped in the particulate trap increases, which increases the intake pressure and changes the intake flow rate. And the deposition form of the particulate matter in the particulate trap also affects the pressure drop performance and the regeneration performance of the particulate trap.
At present, the existing particulate matter loading device for particle trap research is high in price, low in loading speed and long in loading time in practical use. The positive pressure loading device of the simulated internal combustion engine needs larger air input when in operation, most air sources are difficult to meet, the device has larger volume and needs larger installation and use space, and the positive pressure loading device is difficult to effectively use when aiming at a large-size particle trap.
Therefore, the development of a set of particle loading device for simulating the internal combustion engine has important significance for accelerating the application of particle catcher products, improving atmospheric pollution and protecting the health of the people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a particle catcher simulation particulate matter negative pressure loading device to solve the above-mentioned problem that the loading of simulation particulate matter exists among the prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a particle catcher simulation particulate matter negative pressure loading device, it includes air compressor machine, particulate matter hybrid chamber, can dismantle particle catcher and industry dust catcher, wherein, the air compressor machine is linked together through air supply line and particulate matter hybrid chamber, install the admission valve on the air supply line, be provided with the particulate matter on the particulate matter hybrid chamber and add the mouth, the exit linkage that air supply line inserted the particulate matter hybrid chamber has into air swirl pipeline, the particulate matter hybrid chamber is linked together through air supply line and ability dismantlement particle catcher, can dismantle particle catcher pass through the exhaust pipe with the industry dust catcher is linked together.
Particularly, an air inlet pressure regulating valve for controlling the air inlet amount of high-pressure air is arranged on the air feeding pipeline.
Particularly, be provided with a plurality of tonifying qi mouth on the particulate matter hybrid chamber, install tonifying qi mouth filter equipment on the tonifying qi mouth.
Particularly, two ends of the detachable particle catcher are respectively communicated with the gas transmission pipeline and the exhaust pipeline through functional connecting pipes for ensuring the uniformity of a flow field.
Particularly, the functional connecting pipe adopts any one of a diffusion pipe or a contraction pipe, and is connected with the detachable particle catcher and a corresponding pipeline through a connecting flange.
Particularly, an air inlet vacuum degree meter for measuring the vacuum degree at the air delivery pipe is arranged on the air delivery pipe.
Particularly, an exhaust flow regulating valve for regulating the exhaust amount is installed on the exhaust pipeline.
The beneficial effects of the utility model are that, compare with prior art particle catcher simulation particulate matter negative pressure loading device provides the negative pressure through industry dust catcher, realizes the loading to the particulate matter. The device can load post-treatment devices with various specifications and sizes, has wide flow coverage range, and is particularly suitable for large-size particle traps; and the risk of particle leakage is small in the loading process, the concentration of the loaded particles is uniform, the airflow is stable, the particle loading of the internal combustion engine can be well simulated, the development period is obviously shortened, and the product development cost is reduced.
Drawings
Fig. 1 is a schematic structural view of a negative pressure loading device for simulating particulate matters of a particle catcher according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural view of a negative pressure loading device for simulating particulate matters of a particle catcher according to an embodiment of the present invention.
In the embodiment, the particle catcher simulation particle negative pressure loading device comprises an air compressor 1, an air inlet pressure regulating valve 2, an air inlet valve 3, an air inlet filtering device 4, an air inlet 5, a particle adding port 6, a particle mixing cavity 7, an air inlet rotational flow pipeline 8, an air inlet vacuum gauge 9, a functional connecting pipe 10, a detachable particle catcher 11, an exhaust flow regulating valve 12 and an industrial dust collector 13, wherein the air compressor 1 is communicated with the particle mixing cavity 7 through an air supply pipeline, the air inlet valve 3 and the air inlet pressure regulating valve 2 for controlling the air input of high-pressure air are arranged on the air supply pipeline, the particle mixing cavity 7 is provided with the particle adding port 6, the particle mixing cavity 7 is provided with a plurality of air inlets 5, the air inlets 5 are provided with the air inlet filtering device 4, and an outlet of the air supply pipeline connected into the particle mixing cavity 7 is, the exhaust end of the particle mixing chamber 7 is communicated with the detachable particle catcher 11 through an air pipeline, and the detachable particle catcher 11 is communicated with the industrial dust collector 13 through an exhaust pipeline.
Two ends of the detachable particle catcher 11 are respectively communicated with the gas transmission pipeline and the exhaust pipeline through functional connecting pipes 10 for ensuring the uniformity of the flow field. The function connecting pipe 10 adopts any kind of diffuser pipe or shrink tube, and function connecting pipe 10 is connected with the pipeline that can dismantle particle trap 11 and correspond through flange, installs the vacuometer 9 that admits air that is used for measuring gas-supply pipe department vacuum on the gas-supply pipe, installs the exhaust flow control valve 12 that is used for adjusting the displacement on the blast pipe.
The particle catcher simulation particle negative pressure loading device can realize uniform loading of the particle catcher under the condition of negative pressure airflow, and the loading rate and the loading flow can be adjusted and controlled during loading. Utilize the good characteristics of particulate matter air current follow-up nature during the loading, raise the particulate matter through highly-compressed air, then through providing the negative pressure that admits air, make great air current and particulate matter mix, when the mixed air current flows through the particle trap, deposit the particulate matter in the particle trap, realize the loading to the particulate matter.
The specific loading process of the particle catcher simulation particulate matter negative pressure loading device is as follows: high-pressure air is provided by an air compressor 1, and the air inflow of the high-pressure air is adjusted by an air inlet pressure adjusting valve 2; the particulate matter adds in the particulate matter hybrid chamber 7 through particulate matter interpolation mouth 6, and when high-pressure air passed through air inlet swirl pipeline 8 for the stronger particulate matter of air current follow-up nature is raised. At this moment, part of the particles flow to the air supplementing port 5 along with the air flow, and the air supplementing port filtering device 4 arranged at the air supplementing port 5 prevents the particles from being discharged into the atmosphere, so that secondary pollution is avoided, and the health of an operator is influenced. At this time, the industrial vacuum cleaner 13 is opened, aerosol airflow with particles can flow through the functional connecting pipe 10 which ensures the uniformity of the flow field, and when the airflow flows through the detachable particle catcher 11, the particles are filtered into the particle catcher, so that the particles of the particle catcher are loaded until the particles are loaded to a target value, and the particles are required to be supplemented to the particle mixing chamber 7 in the loading process. Before adding particles, the air inlet pressure regulating valve 2 is adjusted to ensure that no air leakage exists at the joint of the device, the air inlet valve 3 is a butterfly valve or a ball valve, and after the air inlet amount is adjusted, the air inlet valve 3 is closed to keep the position of the air inlet flow regulating valve unchanged. After the particles are added into the adding port and sealed, the air inlet valve 3 is opened to enable the particles to be lifted along with the high-pressure air flow to form an air flow with the concentration close to the consistency and similar to aerosol, and then the industrial dust collector 13 is opened to form a larger air flow. During loading, along with the gradual accumulation of particulate matters, the vacuum degree measured by the air inlet vacuum degree meter 9 is gradually reduced, and the opening degree of the exhaust flow regulating valve 12 needs to be gradually increased according to the air inlet vacuum degree value so as to ensure that the loading flow is consistent as much as possible.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a particle catcher simulation particulate matter negative pressure loading device, its characterized in that, it includes air compressor machine, particulate matter hybrid chamber, can dismantle particle catcher and industry dust catcher, the air compressor machine is linked together through air supply line and particulate matter hybrid chamber, install the admission valve on the air supply line, be provided with the particulate matter on the particulate matter hybrid chamber and add the mouth, the exit linkage that air supply line inserted the particulate matter hybrid chamber has into air swirl pipeline, the particulate matter hybrid chamber is linked together through air supply line and ability dismantlement particle catcher, can dismantle particle catcher pass through exhaust pipe with the industry dust catcher is linked together.
2. The particle trap simulated particulate matter negative pressure loading device according to claim 1, wherein an air inlet pressure regulating valve for controlling the air inlet amount of high-pressure air is installed on the air supply pipeline.
3. The particle catcher negative pressure loading device for simulating particles according to claim 1, wherein a plurality of air supplementing ports are arranged on the particle mixing cavity, and an air supplementing port filtering device is arranged on each air supplementing port.
4. The particle trap negative pressure loading device for simulating particulate matter according to claim 1, wherein two ends of the detachable particle trap are respectively communicated with the gas transmission pipeline and the exhaust pipeline through functional connecting pipes for ensuring uniformity of a flow field.
5. The negative pressure loading device for simulating particulate matters for the particle catcher according to claim 4, wherein the functional connecting pipe is one of a diffuser pipe and a contraction pipe, and is connected with the detachable particle catcher and a corresponding pipeline through a connecting flange.
6. The particle catcher negative pressure loading device for simulating particulate matter according to claim 1, wherein an air inlet vacuum gauge for measuring the vacuum degree at the air delivery pipe is installed on the air delivery pipe.
7. The negative pressure loading device for simulating particulate matters according to claim 1, wherein an exhaust flow regulating valve for regulating the exhaust amount is installed on the exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921159485.3U CN210198716U (en) | 2019-07-23 | 2019-07-23 | Particle catcher simulation particulate matter negative pressure loading device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921159485.3U CN210198716U (en) | 2019-07-23 | 2019-07-23 | Particle catcher simulation particulate matter negative pressure loading device |
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| CN210198716U true CN210198716U (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261125A (en) * | 2019-07-23 | 2019-09-20 | 凯龙高科技股份有限公司 | A kind of grain catcher simulation particulate matter negative pressure loading device |
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2019
- 2019-07-23 CN CN201921159485.3U patent/CN210198716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261125A (en) * | 2019-07-23 | 2019-09-20 | 凯龙高科技股份有限公司 | A kind of grain catcher simulation particulate matter negative pressure loading device |
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