CN204900027U - Particle capture device for improved safety and regeneration performance - Google Patents

Abstract

The utility model discloses a particle catching device capable of improving safety and regeneration efficiency, which comprises an outer shell, wherein a holding space is arranged in the outer shell; the isolation orifice plate assembly is provided with at least two airflow isolation orifice plates, the airflow isolation orifice plates are embedded in the inner wall of the outer shell, particle catalysts are filled between the adjacent airflow isolation orifice plates, and the airflow isolation orifice plates are provided with at least one high-voltage discharge body fixing hole; at least one high-voltage discharge body, each high-voltage discharge body is respectively penetrated and fixed in each high-voltage discharge body fixing hole of each airflow isolation pore plate; wear to establish on this air current isolation orifice plate and be fixed with the high-pressure discharge body to pack the granule catalyst between adjacent air current isolation orifice plate, thereby can burn off the carbon particle that the granule catalyst was caught by the high-pressure discharge mode, need not naked light burning and can avoid heating inequality, therefore can remain stable clear away the carbon deposit effect, and then make the utility model discloses can reach the purpose that improves security and regeneration efficiency by a wide margin.

Description

Particle capture device for improved safety and regeneration performance

technical field

The utility model relates to a filter device for a gasoline or diesel engine exhaust system, in particular to a particulate capture device that can greatly improve safety and regeneration performance.

Background technique

The exhaust gas emitted by gasoline or diesel generators contains pollutants such as hydrocarbons (HC), carbon monoxide (CO), nitrogen oxides (NOx) and particulate matter. Among them, the particulate matter is mostly composed of carbon or carbon compounds. Composed of tiny particles, it is one of the main sources of fine suspended particles (PM2.5) in the air. These pollutants will cause serious harm to the human body or the environment. Therefore, catalytic converters are usually installed on cars or diesel vehicles (CatalyticConverter) or Diesel Particulate Filter (Diesel ParticulateFilter, DFB), such as China Taiwan Patent Publication No. M467729 promptly discloses a kind of "intelligent type smoke filter noise reduction device", as shown in Figure 1, it mainly includes a cyclone mixing Combustion chamber 11, a fuel and gas injection pipe 12, an ignition rod 13 and a filter 14, the cyclone mixing combustion chamber 11 has a joint 111, in order to be connected with the engine exhaust pipe, the filter 14 can be a ceramic catalyst filter element or a precious metal catalyst filter element. The working principle of this intelligent smoke filter and silencer device is to inject fuel oil and gas into the cyclone mixing combustion chamber 11 through the fuel and gas injection pipe 12 and mix them with the exhaust gas emitted by the engine. , and then ignite the fuel by the ignition rod 13, so that the carbon particles in the exhaust gas can be burned off, and finally the exhaust gas can be further filtered through the filter 14.

As shown in Figure 1, although this existing intelligent smoke filtering and silencing device can remove the carbon particles in the exhaust gas, there are still some parts to be improved: first, the filter 14 is arranged at the rear section of the cyclone mixing combustion chamber 11 , in order to make most of the carbon particles burn off before entering the filter 14, and avoid the catalyst in the filter 14 from affecting the service life and filtering effect due to carbon deposition, the cyclone mixing combustion chamber 11 must continuously burn the carbon particles, As a result, the consumption and cost of fuel oil will be greatly increased; in addition, there is a considerable safety risk in using the fuel oil and the open flame produced by the ignition rod 13 to remove carbon particles, and its related fuel storage and connection delivery equipment are easy to be artificially damaged. Improper or negligent repair and maintenance will increase the chance of accidents; finally, the flame is easily affected by the airflow force to affect the heat flow distribution and heating effect, resulting in a decrease in combustion efficiency and affecting the burning rate of carbon particles. Therefore, how to improve the above deficiencies , which is the technical difficulty that the inventor of this case wants to solve.

Utility model content

In view of the fact that the existing engine smoke filter device uses fuel oil and flame to burn off carbon particles, which has a high safety risk, and the heating or combustion efficiency is easily affected by the air flow and reduces, so the purpose of this utility model is to develop a safer It is also a particle capture device that can efficiently remove carbon on the surface of the catalyst.

In order to achieve the above purpose, the utility model provides a particle capture device that can improve safety and regeneration performance, which includes: an outer casing with an accommodating space inside, and an air inlet at both ends of the outer casing and a gas outlet, and the outer shell is provided with at least one catalyst filling port; an isolation orifice assembly is arranged in the accommodation space inside the outer shell, and the isolation orifice assembly is provided with at least two airflow isolation orifice plates, The air flow isolation orifice plate is provided with a plurality of through holes, and the air flow isolation orifice plate is embedded in the inner wall of the housing, so that an independent catalyst accommodating space is formed between two adjacent air flow isolation orifice plates. The catalyst accommodating space is filled with granular catalyst, and at least one high-voltage discharge body fixing hole is provided on the airflow isolation orifice; at least one high-voltage discharge body is arranged in the accommodating space of the outer shell, and each The high-voltage discharge body is respectively pierced and fixed in each high-voltage discharge body fixing hole of each airflow isolation orifice plate, and the high-voltage discharge body is respectively sleeved with an insulating piece at the position of each high-voltage discharge body fixing hole, so that The high-voltage discharge body is fixed through the insulator and the high-voltage discharge body fixing hole.

In an embodiment of the present invention, the outer casing is a cylindrical metal casing, and the airflow isolation orifice is a circular plate.

In an embodiment of the present invention, the peripheral ring of the airflow isolation orifice is provided with at least two engaging portions, and each engaging portion is arranged at equal intervals.

In an embodiment of the present utility model, the isolation orifice assembly further includes at least two isolation orifice fixing parts, the isolation orifice fixing parts are provided with engaged parts, and the number of the engaged parts and The installation position corresponds to the number and installation position of the airflow isolation orifice plate, and the engaged part of the isolation orifice plate fixing part is engaged with the engaging part of the airflow isolation orifice plate.

In an embodiment of the present invention, the isolation orifice plate fixing member is a long rectangular body, and the engaging portion and the engaged portion are grooves.

In one embodiment of the present invention, the high-voltage discharge body is a DC high-voltage discharge rod.

In an embodiment of the present invention, the high-voltage discharge body can be replaced by at least one heating wire.

In an embodiment of the present invention, the number and positions of the catalyst filling ports correspond to the number and positions of the catalyst accommodating spaces respectively.

In the utility model, a high-voltage discharge body is fixed on the airflow isolation orifice plate, and the particle catalyst is filled between the adjacent airflow isolation orifice plates, so that the carbon particles captured by the particle catalyst can be burned in a high-voltage discharge mode, and no open flame is required. Combustion can greatly reduce the safety risk, and at the same time, it can also avoid the problem of uneven heating, so it can maintain a stable effect of removing carbon deposits, and then the utility model can achieve the purpose of greatly improving safety and regeneration performance.

Description of drawings

Fig. 1 is the structural representation of existing intelligent smoke filtering and silencing device;

Fig. 2 is a schematic side view of the utility model;

Fig. 3 is the structural representation of the airflow isolation orifice in the utility model;

Fig. 4 is a partially enlarged schematic diagram of the interlocking of the air flow isolation orifice plate and the isolation orifice plate fixing member in the utility model;

Fig. 5 is a schematic diagram of the action of the utility model.

Explanation of reference signs: 11-cyclone mixing combustion chamber; 110-junction port; 12-fuel and gas injection pipe; 13-ignition rod; 14-filter; 3-outer casing; 31-accommodating space; 32- Air inlet; 33-air outlet; 34-catalyst filling port; 4-particle catalyst; 5-isolating orifice plate assembly; 51-air flow isolating orifice plate; 52-isolating orifice plate fixing part; 521-engaged part; 6-high voltage discharge body; 61-insulation piece; A1-exhaust gas; A2-exhaust gas.

Detailed ways

As shown in Figure 2, the utility model provides a particle capture device that can improve safety and regeneration performance, which includes:

An outer shell 3, in this embodiment, the outer shell 3 is a cylindrical metal shell, the outer shell 3 is provided with an accommodating space 31, the two ends of the outer shell 3 are respectively provided with an air inlet 32 and An air outlet 33, wherein the air inlet 32 is used to be connected with the exhaust pipe of a gasoline engine or a diesel engine, and the air outlet 33 is used to be connected with a muffler pipe (muffler). Here, the utility model The installation method of the existing catalytic converter or diesel carbon particulate filter is the same, and the outer casing 3 is provided with at least one catalyst filling port 34, and the catalyst filling port 34 communicates with the accommodating space 31, so that The granular catalyst 4 can be filled in the outer casing 3 from here, and in this embodiment, the number of the catalyst filling ports 34 is two;

An isolation orifice assembly 5, the isolation orifice assembly 5 is arranged in the accommodating space 31 inside the outer casing 3, the isolation orifice assembly 5 is provided with at least two air flow isolation orifice 51, as shown in Figure 3, The air flow isolation orifice 51 is provided with a plurality of through holes 511, as shown in Figure 5, so that each through hole 511 can pass through the exhaust gas A1 discharged by the vehicle engine, and the air flow isolation orifice 51 is aligned with the air flow direction. The vertical angle is vertically embedded in the inner wall of the outer casing 3, that is, in this embodiment, the airflow isolation orifice 51 is a circular plate body, whereby two adjacent airflow isolation orifices 51 are separated. An independent catalyst accommodating space can be formed. In addition, at least one high-voltage discharge body fixing hole 512 is provided on the airflow isolation orifice plate 51. In this embodiment, the number of the high-voltage discharge body fixing holes 512 is six, and Each of the high-voltage discharge body fixing holes 512 is arranged on the airflow isolation orifice plate 51 at equal intervals;

Wherein, the aperture of the through hole 511 is smaller than the particle diameter of the granular catalyst 4, so as to prevent the granular catalyst 4 from passing through the through hole 511. As a preferred embodiment, the actual aperture size of the through hole 511 can be set between 1 mm and 1.5 mm. In the meantime, although the smaller the pore diameter can have better filtering effect, it will also greatly increase the processing difficulty and production cost. Better solution with manufacturing cost;

In addition, in this embodiment, the number of the air flow isolation orifices 51 is three and arranged at equal intervals, so that two independent catalyst accommodating spaces can be formed, and at the same time, the positions of the two catalyst filling ports 34 Corresponding to these two catalyst accommodating spaces respectively, generally speaking, increasing the quantity of airflow isolation orifice 51 can have better filtering effect (at this moment, the quantity of usually catalyst filling port 34 also needs corresponding increase), but the actual It can be adjusted and changed according to the overall length of the outer casing 3 or the needs of users, which is not limited in the present invention;

As shown in Figure 2 and Figure 3, wherein, as a preferred embodiment of the present utility model, the peripheral ring of the airflow isolation orifice 51 is provided with at least two engaging portions 513, and each engaging portion 513 is Arranged at equal intervals, the engaging portion 513 can be a groove, and the isolation orifice plate assembly 5 can further include at least two isolation orifice plate fixing parts 52. Generally speaking, the number of the isolation orifice plate fixing parts 52 Corresponding to the number of engaging parts 513, the isolating orifice plate fixture 52 is provided with engaged parts 521, and the number and setting positions of the engaging parts 521 are the same as the number and setting positions of the airflow isolating orifice plates 51. Correspondingly, that is, in this embodiment, each of the isolation orifice fixing parts 52 is respectively provided with three engaged parts 521, and the engaged parts 521 of the isolation orifice fixing parts 52 are connected with the air flow isolation orifice 51. The engaging part 513 is engaged with each other. As shown in FIG. 4, the isolation orifice plate fixing member 52 can be a long rectangular body, and the engaged part 521 can be a groove, whereby each airflow isolation hole After the plate 51 is engaged with the isolation orifice fixing part 52, the positioning effect is realized, so as to avoid the displacement of the air flow isolation orifice 51 in the outer shell 3, and then the utility model can have better reliability. In addition, in this implementation In the example, the airflow isolation orifice 51 is shown with six engaging parts 513, so the number of the isolation orifice fixing parts 52 is also six, so that the airflow isolation orifice 51 can be positioned more firmly, but here The number of the engaging portion 513 of the airflow isolation orifice 51 and the isolation orifice fixing member 52 can still be adjusted and changed according to actual needs;

At least one high-voltage discharge body 6, each of the high-voltage discharge bodies 6 is arranged in the accommodation space 31 of the outer shell 3, and each high-voltage discharge body 6 is respectively penetrated and fixed to each high-voltage discharge body of each of the airflow isolation orifice plates 51. hole 512, the high-voltage discharge body 6 can specifically be a high-voltage discharge rod, and the high-voltage discharge body 6 is respectively sleeved with insulators 61 at the positions pierced with each high-voltage discharge body fixing hole 512, so that the high-voltage discharge body 6 is actually The insulator 61 and the high-voltage discharge body fixing hole 512 are passed through and fixed. The insulator 61 can be a ceramic insulating sleeve, and the insulator 61 is used to prevent the high-voltage discharge body 6 from being unable to work normally due to leakage. In addition, due to the In this embodiment, the air flow isolation orifice plate 51 is shown with six high-voltage discharge body fixing holes 512, so six high-voltage discharge bodies 6 can also be provided correspondingly. Since the particle catalyst 4 is filled around the high-voltage discharge body 6, The high-voltage discharge body 6 generates an arc through the principle of high-voltage discharge, so that the arc can flow between the granular catalysts 4, thereby burning off the carbon particles adsorbed on the surface of the granular catalyst 4, so that the catalyst can achieve regeneration. Effect, again, according to the type of power supply connected to the high-voltage discharge body 6, the high-voltage discharge body 6 can be divided into a DC high-voltage discharge rod or an AC high-voltage discharge rod, wherein the DC high-voltage discharge rod is the preferred solution, whereby , so that the high-voltage discharge body 6 can be directly connected to the battery on the car, so that there is no need to additionally match the power converter for the car for DC-AC conversion, and then it can simplify the structure and save costs. In addition, in other feasible implementations In the example, the high-voltage discharge body 6 can also be replaced by an electric heating wire. The difference between it and the high-voltage discharge body 6 is that the electric heating wire cannot generate a high-voltage arc, so it is the same as the prior art to remove carbon particles by burning with an open flame, but The heating wire, like the high-voltage discharge body 6, does not need to use fuel, so it still has higher safety than the prior art;

As shown in Figure 3 and Figure 5, when the exhaust gas A1 discharged from the vehicle engine enters the accommodating space 31 through the air inlet 32, the air flow isolation orifice 51 is vertically embedded in the housing at an angle perpendicular to the air flow direction The inner wall of the body 3, the exhaust gas A1 will pass through the through holes 511 of the air flow isolation orifice plate 51. At this time, the particle catalyst 4 is filled between each air flow isolation orifice plate 51, so that the pollutants in the exhaust gas A1 can be converted by a catalytic mechanism It is a harmless substance, such as converting carbon monoxide (CO) or hydrocarbons (HC) into carbon dioxide (CO ₂ ) and water (H ₂ O), etc. The specific principles involved in the aforementioned catalytic reactions are well known to those skilled in the art , will not go into details here, and at the same time, the surface of each of the particle catalysts 4 can also adsorb (capture) the carbon particles contained in the waste gas A1, and finally, the purified waste gas A2 can be discharged from the gas outlet 33. In addition, when each of the When the carbon deposit on the surface of the granular catalyst 4 reaches a certain level, the high-voltage discharge body 6 can work and release an arc, and the arc can burn off the carbon deposit on the surface of the granular catalyst 4. Here, it is worth mentioning that In the prior art, the method of burning carbon particles with an open flame has the problem that the temperature decreases with the distance from the flame tongue, resulting in uneven burning effect, or additional mechanisms such as guide vanes must be installed, which will result in complex structures and The cost is increased, the utility model adopts a high-voltage discharge body 6, and its high-voltage arc can directly flow on each adjacent particle catalyst 4, so the effect of burning off carbon particles is not limited by the distance, thereby simplifying the process to the greatest extent. The setting quantity of high-voltage discharge body 6, and then reduce cost, but when increasing the quantity of this high-voltage discharge body 6, then can have the effect of improving catalyst regeneration efficiency, so the quantity of high-voltage discharge body 6 also can be according to user's demand in actual implementation Adjustment;

As shown in Figure 2, the utility model has a high-voltage discharge body 6 fixed on the airflow isolation orifice plate 51, and fills the granular catalyst 4 between the adjacent airflow isolation orifice plates 51, so that the granular catalyst 4 is filled in the high-voltage discharge around the body 6, so that the carbon particles captured by the granular catalyst 4 can be burned by high-voltage discharge. In addition to not needing to burn with an open flame to greatly reduce the safety risk, it can also avoid the problem of uneven heating, so it can maintain a stable carbon removal effect. Furthermore, the utility model can achieve the purpose of greatly improving safety and regeneration performance.

Claims (8)

1. A particulate capture device capable of improving safety and regeneration performance, characterized in that it comprises: An outer casing, an accommodating space is provided in the outer casing, an air inlet and an air outlet are respectively provided at both ends of the outer casing, and at least one catalyst filling port is provided in the outer casing; An isolation orifice assembly is arranged in the accommodation space inside the outer casing, the isolation orifice assembly is provided with at least two airflow isolation orifices, and the airflow isolation orifice is provided with a plurality of through holes, and the airflow isolation The orifice plate is embedded in the inner wall of the housing, so that an independent catalyst accommodating space is formed between two adjacent air flow isolation orifice plates. The catalyst accommodating space is filled with granular catalyst, and the air flow isolation orifice plate At least one high-voltage discharge body fixing hole is provided; At least one high-voltage discharge body, each high-voltage discharge body is arranged in the housing space of the outer shell, and each high-voltage discharge body is respectively pierced and fixed in each high-voltage discharge body fixing hole of each air flow isolation orifice plate, and the high-voltage discharge body Insulators are sheathed at the positions where the body penetrates the fixing holes of each high-voltage discharge body, so that the high-voltage discharge body is fixed through the insulators and the fixing holes of the high-voltage discharge body. 2 . The particle capture device capable of improving safety and regeneration performance according to claim 1 , wherein the outer casing is a cylindrical metal casing, and the airflow isolation orifice is a circular plate. 3 . 3. The particle capture device capable of improving safety and regeneration performance according to claim 2, characterized in that, the peripheral ring of the airflow isolation orifice is provided with at least two engaging parts, and each engaging part is equal to Interval setting. 4. The particle capture device capable of improving safety and regeneration performance according to claim 3, characterized in that, the isolation orifice assembly further comprises at least two isolation orifice fixing parts, and the isolation orifice fixing parts are provided with There is an engaged part, and the number and setting position of the engaged part correspond to the number and setting position of the airflow isolation orifice plate, and the engaging part of the isolation orifice fixing part and the airflow isolation orifice plate The parts fit together. 5. The particle capture device capable of improving safety and regeneration performance according to claim 4, characterized in that, the isolation orifice fixing member is a long rectangular body, and the engaging part and the engaged part are both for the groove. 6 . The particle capture device capable of improving safety and regeneration performance according to claim 1 , wherein the high-voltage discharge body is a DC high-voltage discharge rod. 7 . 7. The particle trapping device with improved safety and regeneration performance according to claim 1, characterized in that the high-voltage discharge body can be replaced by at least one heating wire. 8 . The particle capture device with improved safety and regeneration performance according to claim 1 , wherein the number and positions of the catalyst filling ports correspond to the number and positions of the catalyst accommodating spaces respectively.