CN214836634U

CN214836634U - Exhaust silencing post-treatment station structure

Info

Publication number: CN214836634U
Application number: CN202121204543.7U
Authority: CN
Inventors: 施远强
Original assignee: Fortrust Power Control Technology Qidong Co ltd
Current assignee: Fortrust Power Control Technology Qidong Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-23
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an exhaust amortization aftertreatment station structure, including tail gas air inlet, tail gas treatment structure, exhaust whistle box, amortization structure and blast pipe, tail gas treatment structure and the integrated setting of amortization structure are in the exhaust whistle box, the tail gas air inlet can only communicate with the inlet end of tail gas treatment structure and the inlet end of amortization structure respectively, the end of giving vent to anger of tail gas treatment structure communicates with the inlet end of amortization structure, the end and the blast pipe intercommunication of giving vent to anger of amortization structure. The utility model provides an exhaust amortization aftertreatment station structure, through with the exhaust treatment structure and the integrated as an organic whole of amortization structure, reduced generating set tail gas aftertreatment device's volume, engine exhaust catches through the exhaust treatment structure, passes through the amortization structural processing again, can greatly reduced engine exhaust emission and noise abatement.

Description

Exhaust silencing post-treatment station structure

Technical Field

The utility model belongs to the technical field of generating set, concretely relates to generating set's exhaust and amortization processing structure.

Background

The existing generator set only has a silencer device and no tail gas treatment device, occupies large volume and has high energy consumption, and serious pollution is caused to the environment.

Therefore, it is a problem to be solved by those skilled in the art to provide a safe, reliable and effective device for treating exhaust gas and silencing of generator set exhaust.

SUMMERY OF THE UTILITY MODEL

To the problem that current generating set exhaust-gas emission exists, the utility model aims at providing an exhaust amortization aftertreatment station structure can carry out effectual processing to the tail gas and the noise that generating set discharged.

In order to achieve the above object, the utility model provides an exhaust amortization aftertreatment station structure, including tail gas air inlet, tail gas treatment structure, exhaust whistle box, amortization structure and blast pipe, tail gas treatment structure and the integrated setting of amortization structure are in the exhaust whistle box, the tail gas air inlet can only communicate with the inlet end of tail gas treatment structure and the inlet end of amortization structure respectively, the inlet end intercommunication of the end of giving vent to anger and the amortization structure of tail gas treatment structure, the end and the blast pipe intercommunication of giving vent to anger of amortization structure.

Furthermore, the silencing structure comprises a primary silencing barrel and a secondary silencing barrel, wherein the air inlet end of the primary silencing barrel is communicated with the tail gas inlet, and the air outlet end of the primary silencing barrel is communicated with the air inlet end of the secondary silencing barrel; and the air outlet end of the secondary silencing barrel is communicated with the exhaust pipe.

Further, the tail gas treatment structure comprises a DPF carrier, wherein the DPF carrier is a honeycomb-shaped ceramic carrier, and the DPF carrier is arranged in a corresponding arrangement groove of the exhaust silencing box and is positioned on a channel communicated with the primary silencing barrel through a tail gas inlet.

Further, the DPF carrier is composed of a honeycomb ceramic carrier.

Furthermore, a channel is arranged on the DPF carrier, a bypass valve is arranged on the channel in a matched mode, a driving component is arranged on the bypass valve in a matched mode, and the channel can be opened and closed under the driving of the driving component.

Further, the driving component comprises an air cylinder and an air pump, the air pump is in driving connection with the air cylinder, the air cylinder is in driving connection with the bypass valve through an air cylinder rod, the air cylinder is arranged on the exhaust silencing box through an air cylinder arranging seat, and the air pump is further provided with an electromagnetic valve in a matched mode.

Further, the tail gas inlet and the exhaust pipe are arranged on the exhaust silencing box.

The utility model provides an exhaust amortization aftertreatment station structure is integrated as an organic whole with DPF and muffler, has reduced generating set tail gas aftertreatment device's volume, and engine exhaust catches through the DPF granule trapper, handles through the amortization section of thick bamboo again, can greatly reduced engine exhaust emission and noise elimination.

Drawings

The invention is further described with reference to the following drawings and detailed description.

Fig. 1 is a schematic diagram of the structure of an exhaust silencing post-treatment station in this example.

The reference numbers in the figures mean:

the exhaust muffler comprises an air pump 1, an air pipe 2, a DPF carrier 3, a bypass valve 4, an air cylinder 5, an air cylinder mounting seat 6, a primary muffling cylinder 7, an exhaust muffling box 8, an exhaust pipe 9, a secondary muffling cylinder 10, an electromagnetic valve 11 and a tail gas inlet 12.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

This example provides an exhaust amortization aftertreatment station structure, through with tail gas treatment structure and amortization structure integration, reduced generating set tail gas aftertreatment device's volume, engine exhaust catches through tail gas treatment structure, handles through amortization structure again, can greatly reduced engine exhaust emission and noise abatement.

The structure of the exhaust silencing post-treatment station provided by the embodiment comprises an exhaust gas inlet 12, an exhaust gas treatment structure, a silencing structure and an exhaust pipe 9.

The tail gas inlet 12 is respectively communicated with the inlet end of the tail gas treatment structure and the inlet end of the silencing structure, the outlet end of the tail gas treatment structure is communicated with the inlet end of the silencing structure, and the outlet end of the silencing structure is communicated with the exhaust pipe 9.

As shown in fig. 1, the silencing structure is used for eliminating noise generated during exhaust emission of the generator set, and comprises a primary silencing barrel 7 and a secondary silencing barrel 10, which are both arranged in an exhaust silencing box 8.

Wherein, the air outlet end of the first-stage silencing barrel 7 is communicated with the air inlet end of the second-stage silencing barrel 10, and the air outlet end of the second-stage silencing barrel 10 is communicated with the exhaust pipe 9.

The exhaust gas treatment structure comprises a DPF carrier 3, wherein the DPF carrier 3 is arranged in a corresponding arrangement groove of an exhaust silencing box 8 and is positioned on a channel of a tail gas inlet 12 communicated with a primary silencing barrel 7.

The exhaust gas inlet 12 can be respectively communicated with the inlet end of the DPF carrier 3 and the inlet end of the primary silencing pot 7, and is realized by arranging a channel 3a which can be opened and closed on the DPF carrier 3 during the specific arrangement.

Further, a bypass valve 4 is arranged in cooperation with the channel 3a on the DPF carrier 3, and when the bypass valve 4 is opened, the tail gas inlet 12 is communicated with the air inlet end of the primary silencing pot 7 through the channel 3a on the DPF carrier 3; when the bypass valve 4 is closed, the exhaust gas inlet 12 communicates with the inlet end of the DPF carrier 3.

In addition, a cylinder 5 is arranged in cooperation with the bypass valve 4, the cylinder 5 is arranged on an exhaust silencing box 8 through a cylinder mounting seat 6, an air pump 1 is further arranged in cooperation with the cylinder 5, and the cylinder 5 is connected with the air pump 1 through an air pipe 2.

The cylinder 5 is in driving connection with the bypass valve 4 through a cylinder rod, and can control the opening and closing of the bypass valve 4.

Meanwhile, an electromagnetic valve 11 of an electric control system is arranged in cooperation with the air pump 1 and can be used for controlling the action of the air cylinder 5.

Based on the structure of the exhaust silencing post-treatment station, when the engine is started, at low speed and at idle speed, the electric control system controls the electromagnetic valve 11 and the air cylinder 5 to act, the bypass valve 4 is closed, and at the moment, gas enters from the tail gas inlet 12, flows through the DPF, passes through the primary silencing barrel 7 and the secondary silencing barrel 10, and is finally discharged from the exhaust pipe 9.

When the engine is started at a high speed, the fuel pressure is high, and the temperature is increased, the electric control system controls the electromagnetic valve 11 and the air cylinder 5 to act, the bypass valve 4 is opened, at the moment, gas enters from the tail gas inlet 12, passes through the channel 3a of the DPF carrier 3, passes through the primary silencing barrel 7 and the secondary silencing barrel 10, and is finally discharged from the exhaust pipe 9.

The utility model provides an exhaust silencing post-treatment station structure, which adopts the pneumatic control principle, and a bypass valve is opened under the conditions of high-speed starting of an engine, large fuel pressure and high temperature; under the conditions of engine starting, low speed and idling operation, the bypass valve is closed to capture particles, so that the emission problem is greatly improved, and meanwhile, the pneumatic control valve is far away from high temperature, so that the pneumatic control valve is safe and low in energy consumption, and meets the requirements on reliability and economy.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an exhaust amortization aftertreatment station structure, its characterized in that, includes tail gas air inlet, tail gas processing structure, exhaust amortization case, amortization structure and blast pipe, tail gas processing structure and amortization structure integration set up in the exhaust amortization case, the tail gas air inlet can only communicate with the inlet end of tail gas processing structure and amortization structure respectively, the inlet end intercommunication of giving vent to anger end and the amortization structure of tail gas processing structure, the end and the blast pipe intercommunication of giving vent to anger of amortization structure.

2. The exhaust silencing post-treatment station structure according to claim 1, wherein the silencing structure comprises a primary silencing pot and a secondary silencing pot, wherein an air inlet end of the primary silencing pot is communicated with an exhaust inlet, and an air outlet end of the primary silencing pot is communicated with an air inlet end of the secondary silencing pot; and the air outlet end of the secondary silencing barrel is communicated with the exhaust pipe.

3. The exhaust silencing post-treatment station structure according to claim 1, wherein the exhaust treatment structure includes a DPF carrier, and the DPF carrier is a honeycomb ceramic carrier, and is disposed in a corresponding disposition groove of the exhaust silencing box and on a passage where the exhaust inlet port communicates with the primary silencing pot.

4. The exhaust gas silencing post-treatment station structure according to claim 3, wherein said DPF carrier is constituted by a honeycomb-like ceramic carrier.

5. The exhaust gas silencing post-treatment station structure according to claim 3, wherein a passage is provided on said DPF carrier, said passage is cooperatively provided with a bypass valve, said bypass valve is cooperatively provided with a driving member, and said passage is opened and closed by the driving member.

6. The exhaust silencing post-treatment station structure according to claim 5, wherein the driving component comprises an air cylinder and an air pump, the air pump is in driving connection with the air cylinder, the air cylinder is in driving connection with the bypass valve through an air cylinder rod, the air cylinder is arranged on the exhaust silencing box through an air cylinder arranging seat, and the air pump is further provided with a solenoid valve in a matched mode.

7. The exhaust silencing post-treatment station structure according to claim 1, wherein said exhaust gas intake port and exhaust pipe are provided on an exhaust silencing box.