CN205277547U

CN205277547U - Preheating -type automotive exhaust purifying ware

Info

Publication number: CN205277547U
Application number: CN201520960975.9U
Authority: CN
Inventors: 刘聪颖
Original assignee: CHONGQING XINZHUOHUI AUTOMOBILE PURIFIER Co Ltd
Current assignee: CHONGQING XINZHUOHUI AUTOMOBILE PURIFIER Co Ltd
Priority date: 2015-11-28
Filing date: 2015-11-28
Publication date: 2016-06-01
Anticipated expiration: 2025-11-28

Abstract

The application discloses a preheating -type automotive exhaust purifying ware. The scheme does: including the clean room, the left end intercommunication intake pipe of clean room, the right -hand member run -on trachea of clean room, the middle part is equipped with the zone of heating in the clean room, the zone of heating falls into left and right two parts with the clean room, all be equipped with the filter layer in the left and right part of clean room, the filter layer intussuseption is filled with the foamed ceramics, be equipped with the temperature -sensing ware between the filter layer of clean room left part job and the zone of heating, the temperature -sensing ware is connected with the controller, the zone of heating is connected to the controller. This patent application is anticipated is providing a preheating -type automotive exhaust purifying ware to make tail gas can absorb the produced heat of redox, reduce the consumption of heater to the energy.

Description

Pre-heated automobile exhaust purifier

Technical field

The utility model relates to a kind of pre-heated automobile exhaust purifier.

Background technology

Automobile exhaust pollution has become the main source of topsoil, and within for some time from now on, fuel-engined vehicle will be the main product of automotive industry. Paying much attention to the research work of purifying vehicle exhaust technology in recent years both at home and abroad, high strength of the prior art, high temperature oxidation resisting foamed conducting ceramic material have been applied in refining plant. But owing to its low temperature active is poor, combustion initiation temperature is higher, when thus causing cold-starting automobile, tail gas clean-up effect is poor.

For the problems referred to above, publication number is that the patent document of CN201461044U discloses a kind of tail gas cleaner for motor-driven vehicle, and its technical scheme is: comprise shell, also comprises well heater, containing the scavenging agent of nickel oxide and nickel sesquioxide and glass fibre; Well heater adopts far infrared rays silica tube, is contained in the central authorities of shell, and glass fibre is contained in whole shell in space, and scavenging agent powder filling is in the space of glass fibre.

In the technical scheme of above-mentioned patent document, being heated by scavenging agent by well heater so that when cold-starting automobile, the molecule participating in reaction arrives activation energy threshold value, and tail gas can be purified. But, owing to scavenging agent is when being oxidized tail gas, can releases heat, and this technical scheme does not utilize the energy that redox reaction discharges.

Practical novel content

The utility model is intended to provide a kind of pre-heated automobile exhaust purifier, so that tail gas can absorb the heat that redox produces, reduces well heater to the consumption of energy.

Pre-heated automobile exhaust purifier in this scheme, base case is: comprise decontamination chamber, the left end of described decontamination chamber is connected inlet pipe, the right-hand member of described decontamination chamber connects vapor pipe, in described decontamination chamber, middle part is provided with zone of heating, decontamination chamber is divided into left and right two portions by described zone of heating, filtering layer all it is provided with in the left and right part in described decontamination chamber, it is filled with foamed ceramics in described filtering layer, filtering layer in described decontamination chamber left half and be provided with temperature inductor between zone of heating, described temperature inductor is connected with controller, and described controller connects zone of heating.

Principle of work and useful effect: during work, vehicle exhaust enters decontamination chamber by inlet pipe. When cold-starting automobile, first tail gas enter decontamination chamber's left half, filters by the filtering layer being located in left half. During filtration, the carbon monoxide in tail gas, hydrocarbons etc. are oxidized by the oxygenant on foamed ceramics surface, release heat and heated by tail gas during oxidizing reaction. Tail gas after heating is by the filtering layer in decontamination chamber's left half and the temperature inductor between zone of heating. Temperature inductor is by signal transmission to controller, and controller controls zone of heating. When the exhaust temperature after heating does not reach design temperature, tail gas is carried out further heating by controller control zone of heating, afterwards the tail gas filtration of the filtering layer in decontamination chamber's right half again. When the exhaust temperature after heating reaches design temperature, heating unit does not start, and tail gas is the filtration of the filtering layer in decontamination chamber's right half directly.

Scheme 2, as the improvement to base case, described decontamination chamber is cylinder. Advantage is, cylinder is convenient to be arranged on the domain of automobile.

Scheme 3, as the improvement to scheme 2, the sectional area of described decontamination chamber is greater than the sectional area of inlet pipe and vapor pipe. Advantage is, in exhaust flow one timing, the sectional area increasing decontamination chamber can reduce the flow velocity of tail gas, it is to increase tail gas carries out being oxidized the time filtered in filtering layer, it is to increase filter effect.

Scheme 4, as the improvement to base case, leaves gap between described filtering layer and zone of heating. Advantage is, make through filtration tail gas be introduced in gap, it is possible to make tail gas flow speed stability by zone of heating and follow-up filtering layer.

Scheme 5, as the improvement to base case, described controller is arranged on decontamination chamber's outside wall surface. Advantage is, avoids decontamination chamber's inner exhaust gas temperature height to damage controller.

Accompanying drawing explanation

Fig. 1 is the structural representation of the pre-heated automobile exhaust purifier embodiment of the utility model.

Embodiment

Below by embodiment, the utility model is described in further detail:

Reference numeral in Figure of description comprises: inlet pipe 10, decontamination chamber 20, filtering layer 21, temperature inductor 22, controller 23, zone of heating 24, vapor pipe 30.

Embodiment

Pre-heated automobile exhaust purifier, scheme is: comprise decontamination chamber 20, the left end of decontamination chamber 20 is connected inlet pipe 10, the right-hand member of decontamination chamber connects vapor pipe 30, in decontamination chamber 20, middle part is provided with zone of heating 24, decontamination chamber 20 is divided into left and right two portions by zone of heating 24, filtering layer 21 all it is provided with in the left and right part in decontamination chamber 20, it is filled with foamed ceramics in filtering layer 21, filtering layer 21 in decontamination chamber 20 left half and be provided with temperature inductor 22 between zone of heating 24, temperature inductor 22 is connected with controller 23, and controller 23 connects zone of heating 24.

In addition, in the present embodiment, decontamination chamber 20 is cylinder. Advantage is, cylinder is convenient to be arranged on the domain of automobile. The sectional area of decontamination chamber 20 is greater than inlet pipe 10 and the sectional area of vapor pipe 30. Advantage is, in exhaust flow one timing, the sectional area increasing decontamination chamber 20 can reduce the flow velocity of tail gas, it is to increase tail gas carries out being oxidized the time filtered in filtering layer 21, it is to increase filter effect. Gap is left between filtering layer 21 and zone of heating 24. Advantage is, make through filtration tail gas be introduced in gap, it is possible to make tail gas flow speed stability by zone of heating 24 and follow-up filtering layer 21. Controller 23 is arranged on decontamination chamber 20 outside wall surface. Advantage is, avoids decontamination chamber 20 inner exhaust gas temperature height to damage controller 23.

During work, vehicle exhaust enters decontamination chamber 20 by inlet pipe 10. When cold-starting automobile, first tail gas enter decontamination chamber 20 left half, filters by the filtering layer 21 being located in left half. During filtration, the carbon monoxide in tail gas, hydrocarbons etc. are oxidized by the oxygenant on foamed ceramics surface, release heat and heated by tail gas during oxidizing reaction. Tail gas after heating is by the filtering layer 21 in decontamination chamber 20 left half and the temperature inductor 22 between zone of heating 24. Temperature inductor 22 is by signal transmission to controller 23, and controller 23 controls zone of heating 24. When heat after exhaust temperature do not reach design temperature time, controller 23 controls zone of heating 24 and tail gas is carried out further heating, afterwards tail gas again the filtering layer 21 in decontamination chamber 20 right half filter. When heat after exhaust temperature reach design temperature time, heating unit does not start, tail gas directly the filtering layer 21 in decontamination chamber 20 right half filter.

Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and/or characteristic does not do too much description at this. Should be understood that; for a person skilled in the art, under the prerequisite not departing from the utility model structure, it is also possible to make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability that the utility model is implemented. The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification sheets etc. record the content that may be used for explaining claim.

Claims

1. pre-heated automobile exhaust purifier, it is characterized in that, comprise decontamination chamber, the left end of described decontamination chamber is connected inlet pipe, the right-hand member of described decontamination chamber connects vapor pipe, in described decontamination chamber, middle part is provided with zone of heating, decontamination chamber is divided into left and right two portions by described zone of heating, filtering layer all it is provided with in the left and right part in described decontamination chamber, it is filled with foamed ceramics in described filtering layer, filtering layer in described decontamination chamber left half and be provided with temperature inductor between zone of heating, described temperature inductor is connected with controller, and described controller connects zone of heating.

2. pre-heated automobile exhaust purifier according to claim 1, it is characterised in that: described decontamination chamber is cylinder.

3. pre-heated automobile exhaust purifier according to claim 2, it is characterised in that: the sectional area of described decontamination chamber is greater than the sectional area of inlet pipe and vapor pipe.

4. pre-heated automobile exhaust purifier according to claim 1, it is characterised in that: leave gap between described filtering layer and zone of heating.

5. pre-heated automobile exhaust purifier according to claim 1, it is characterised in that: described controller is arranged on decontamination chamber's outside wall surface.