CN215830576U

CN215830576U - Muffler for recycling waste energy

Info

Publication number: CN215830576U
Application number: CN202121819085.8U
Authority: CN
Inventors: 刘运申; 任雄杰; 宋雄伟; 宫艳丽; 杨慧明
Original assignee: Zhejiang Painier Technology Inc
Current assignee: Zhejiang Painier Technology Inc
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-15
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a silencer for recovering waste energy, which is connected with an engine and comprises: muffler main part, muffler connecting pipe, the tail gas discharge mouth department at the muffler main part is connected to the entry end of muffler connecting pipe the exit end of muffler connecting pipe is rotated and is provided with the impeller, the impeller includes rather than fixed impeller shaft, the generator, its include at the fixed rotor part that sets up of tail end of impeller shaft the outer fixed encirclement of rotor part the stator part of rotor part and the battery of electric energy is stored to the usefulness that the power output end of stator part is connected, blast pipe, its one end is connected with the exit end of muffler connecting pipe for accept the air current that passes through from this exit end, its other end passes the inside exhaust outlet with the muffler of muffler main part and is connected, is used for discharging tail gas. The structure of the utility model recycles the tail gas exhausted from the silencer and drives the generator to generate electric energy.

Description

Muffler for recycling waste energy

Technical Field

The utility model relates to the field of automobile engines, in particular to a silencer for recycling waste energy.

Background

The engine used on the automobile can reasonably reuse high-temperature and high-pressure gas exhausted by the silencer, for example, exhaust gas is used for driving the turbine again, turbocharging is realized, exhaust gas carbon emission is reduced, meanwhile, the energy of the exhaust gas can be recycled again, and the utilization rate of the energy is improved. The large engine has realized the rational utilization of the tail gas, does not use this mature technology in the small-scale general engine field yet, the small-scale general engine exhaust emission is less and difficult to collect and utilize again, if it is used for driving the large-scale mechanism to do work energy obviously insufficient, and along with the emission regulation is more and more severe in recent years, the muffler of most engines will place the catalyst of oxidation or reduction in its inside, play the effect of accelerating the secondary chemical reaction, thus reduce carbon and discharge, so the temperature and pressure of the tail gas that the engine discharges are all higher, recycle is more difficult. Therefore, the technology has certain difficulty in being applied to small engines;

the utility model discloses a vacuum structure type heat engine waste gas energy recycling device as disclosed in Chinese invention patent CN102102564A, which comprises a cylindrical vacuum heat-insulating cylinder body (I), a waste gas-water heat exchanger (II) positioned in the middle of the vacuum heat-insulating cylinder body (I), waste gas silencers (III) positioned at two ends and connecting parts (IV) positioned at two ends; a vacuum is formed between the inner heating liner (3) and the outer protective shell (12) of the vacuum insulation barrel body (I); a plurality of baffle plates (13) are arranged in a water tank of the waste gas-water heat exchanger (II) and are vertical to the axis of the water tank, the diameter of each baffle plate (13) is smaller than that of the water tank, the baffle plates are fixed on the side wall of the water tank at crossed eccentric positions, and the high-temperature heat conduction pipes (5) are hermetically sleeved in the holes in a penetrating manner; the energy recovery and utilization device with the structure cannot be well utilized on a small engine.

For the above reasons, there is a need for improvement of the prior art to solve the problem of difficulty in recycling the exhaust passing through the muffler in the existing automobile engine.

SUMMERY OF THE UTILITY MODEL

First, technical problem to be solved

The utility model aims at the defects in the prior art, and particularly provides a silencer for recovering waste energy, so as to solve the problem that tail gas passing through the silencer is difficult to recover and utilize in the existing automobile engine.

Second, technical scheme

In order to solve the above technical problems, the present invention provides a muffler for recovering waste energy, which is connected to an engine, and includes:

the main body of the silencer is provided with a silencer main body,

the inlet end of the silencer connecting pipe is connected with the tail gas discharge port of the silencer main body, the outlet end of the silencer connecting pipe is rotatably provided with an impeller, the impeller comprises an impeller shaft fixed with the impeller shaft,

the generator comprises a rotor component fixedly arranged at the tail end of the impeller shaft, a stator component fixedly arranged outside the rotor component and surrounding the rotor component, and a storage battery connected with the power output end of the stator component and used for storing electric energy,

and one end of the exhaust pipe is connected with the outlet end of the silencer connecting pipe and used for receiving airflow passing through the outlet end, and the other end of the exhaust pipe penetrates through the interior of the silencer main body and is connected with an exhaust outlet of the silencer and used for exhausting tail gas.

In the technical scheme, a circular catalyst piece is arranged in the silencer connecting pipe.

Among the above-mentioned technical scheme circular catalyst piece rear end is provided with the catalyst fixed plate, is provided with a plurality of through-holes on this catalyst fixed plate.

In the technical scheme, the device further comprises a cooling fan arranged at the position of the engine cylinder, and the cooling fan is electrically connected with the storage battery.

In the technical scheme, a sleeve part is fixedly arranged at the outlet end of the silencer connecting pipe, and the impeller is rotatably supported at the upper end part of the sleeve part through a bearing.

Third, beneficial effect

Compared with the prior art, the utility model has the beneficial effects that: the structure of the utility model recycles the tail gas exhausted from the silencer and drives the generator to generate electric energy.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic front view of the present invention.

In the figure: 1 is muffler main part 1, 2 is the muffler connecting pipe, 3 is the generator, 4 is circular catalyst spare, 5 is the catalyst fixed plate, 6 is cooling fan, 7 is the cover barrel spare, 8 is the blast pipe, 20 is the impeller, 21 is the impeller shaft, 30 is the rotor part, 31 is the stator part, 32 is the battery.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1-2, the present invention discloses a muffler for recovering waste energy, which is connected to an engine and includes a muffler body 1, a muffler connecting pipe 2, a generator 3 and an exhaust pipe 8.

The inlet end of the silencer connecting pipe 2 is connected to the exhaust gas outlet of the silencer main body 1, the outlet end of the silencer connecting pipe 2 is rotatably provided with an impeller 20, and the impeller 20 comprises an impeller shaft 21 fixed with the impeller. The generator 3 comprises a rotor part 30 fixedly arranged at the tail end of the impeller shaft 21, a stator part 31 fixedly arranged outside the rotor part 30 and surrounding the rotor part 30, and a storage battery 32 connected at the power output end of the stator part 31 and used for storing electric energy.

One end of the exhaust pipe 8 is connected to the outlet end of the muffler connecting pipe 2 for receiving the air flow passing through the outlet end, and the other end thereof passes through the interior of the muffler body 1 and is connected to the exhaust outlet of the muffler for exhausting the exhaust gas.

In the structure, the tail gas discharged by the engine cylinder can be combusted secondarily after passing through the catalyst arranged in the silencer, high-temperature and high-pressure gas generated after combustion can sequentially pass through the silencer main body 1 and the silencer connecting pipe 2, the gas is guided out of the outlet end of the silencer connecting pipe 2 to form the forward-blowing impeller 20, and the high-temperature and high-pressure gas with high flow rate can continuously drive the impeller 20 to rotate. The rotation of the impeller 20 further drives the rotor part 30 of the generator 3 to rotate, the rotation of the rotor part 30 is equivalent to cutting magnetic lines of force, the current is generated on the stator part 31, and the generated current is finally led into the storage battery 32. The high-temperature and high-pressure gas discharged from the silencer body 1 completes energy conversion, and the gas pushing the impeller 20 to rotate finally passes through the exhaust pipe. The exhaust pipe at the section is connected to the interior of the silencer and exhausts tail gas through an exhaust port of the silencer.

Specifically, be provided with circular catalyst piece 4 in the muffler connecting pipe 2 circular catalyst piece 4 rear end is provided with catalyst fixed plate 5, is provided with a plurality of through-holes on this catalyst fixed plate 5. The round catalyst piece 4 is used for preventing the gas exhausted by the engine from exceeding corresponding regulation values through the catalyst in the round catalyst piece 4 when the catalyst originally arranged in the silencer main body 1 is close to the service life or fails. Further through setting up catalyst fixed plate 5, its surface has the regular through-hole of a plurality of, and the effect of through-hole is that the gas velocity of flow accelerates when guaranteeing that gas passes through, and then can be better blow impeller 20 and rotate.

Preferably, the cooling device further comprises a cooling fan 6 arranged at the position of an engine cylinder, and the cooling fan 6 is electrically connected with the storage battery 32. The cooling fan 6 may be provided in one or more sets for cooling the cylinder position during the operation of the engine or at the end of the operation. Helping the cylinder to dissipate heat. Adverse reactions such as cylinder pulling and power reduction possibly caused by poor heat dissipation of the engine are reduced. And the friction heat energy generated after the engine is stopped can be quickly dissipated under the blowing of the cooling fan, so that the heat generated by the cylinder can not be radiated to the chamber in which the carburetor is positioned.

Specifically, a sleeve member 7 is fixedly provided at an outlet end of the muffler connecting pipe 2, and the impeller 20 is rotatably supported at an upper end portion of the sleeve member 7 by a bearing 100.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A muffler for recovering waste energy, comprising:

a muffler body (1);

the silencer connecting pipe (2), the inlet end of the silencer connecting pipe (2) is connected to the tail gas discharge port of the silencer main body (1), an impeller (20) is rotatably arranged at the outlet end of the silencer connecting pipe (2), and the impeller (20) comprises an impeller shaft (21) fixed with the impeller shaft;

a generator (3) which comprises a rotor part (30) fixedly arranged at the tail end of the impeller shaft (21), a stator part (31) fixedly arranged outside the rotor part (30) and surrounding the rotor part (30), and a storage battery (32) connected at the power output end of the stator part (31) and used for storing electric energy;

and one end of the exhaust pipe (8) is connected with the outlet end of the silencer connecting pipe (2) and is used for receiving the airflow passing through the outlet end, and the other end of the exhaust pipe penetrates through the interior of the silencer main body (1) and is connected with the exhaust outlet of the silencer and is used for exhausting tail gas.

2. A muffler for recovering waste energy as claimed in claim 1, wherein: a circular catalyst piece (4) is arranged in the silencer connecting pipe (2).

3. A muffler for recovering waste energy as claimed in claim 2, wherein: the rear end of the round catalyst piece (4) is provided with a catalyst fixing plate (5), and the catalyst fixing plate (5) is provided with a plurality of through holes.

4. A muffler for recovering waste energy as claimed in claim 1, wherein: the muffler for recovering waste energy further comprises a cooling fan (6) arranged at the position of an engine cylinder, and the cooling fan (6) is electrically connected with the storage battery (32).

5. A muffler for recovering waste energy as claimed in claim 1, wherein: a sleeve part (7) is fixedly arranged at the outlet end of the silencer connecting pipe (2), and the impeller (20) is rotatably supported at the upper end part of the sleeve part (7) through a bearing (100).