CN206309480U - A kind of emission-control equipment - Google Patents

Abstract

The utility model provides a kind of emission-control equipment, belongs to the technical field of engines tail gas disposal.A kind of emission-control equipment includes cleaning module, using energy source module, noise abatement module, engine exhaust port is connected with cleaning module by the first pipeline, cleaning module is connected by second pipe away from one end of engine exhaust port with using energy source module, and using energy source module is connected with noise abatement module away from one end of cleaning module by the 3rd pipeline；The utility model is by setting ternary catalyzing unit, the harmful substance in removal tail gas, it is to avoid contaminated air；And cigarette water- to-water heat exchanger is set, the heat in tail gas is absorbed again and is utilized, energy-saving and emission-reduction；Silencer is set, the noise of exhaust emissions is reduced, it is to avoid noise pollution；By the relatively independent setting of three modules, and installation and removal are convenient, are easy to the maintenance in later stage；By setting dust filter unit in silencer, make tail gas by being purified by dust filter unit again after ternary catalyzing unit purification, reduce environmental pollution.

Description

An exhaust purification device

technical field

The utility model relates to the technical field of engine tail gas treatment, in particular to an exhaust purification device.

Background technique

The utilization rate of electric energy in all walks of life is getting higher and higher, the demand for electric energy is also increasing correspondingly, and the use environment of electric energy is becoming wider and wider. However, due to the limitation of the environment, in some environments, only micro Gas-fired cogeneration units are used to provide electric energy, so the structural design of micro gas-fired cogeneration units has become a key direction of development.

However, although the traditional micro gas-fired cogeneration units can generate electricity, there is no reasonable exhaust gas treatment device for the exhaust gas emission, resulting in random exhaust gas discharge, and the exhaust gas purification is not thorough, and even some exhaust gas treatment devices are directly filtered after the exhaust gas is filtered. Emissions not only cause a large waste of energy, but also cause noise pollution, which is not only harmful to the environment, but also not conducive to resource utilization, which is contrary to the scientific development concept. And with the deepening of the concept of environmental protection, people's awareness of environmental protection continues to increase. This kind of micro gas cogeneration unit without reasonable exhaust gas treatment device can hardly meet the development needs of modern society. Therefore, it is necessary to design a system with reasonable exhaust gas treatment. The micro gas-fired cogeneration unit of the device, and this reasonable tail gas treatment device needs to meet the design characteristics of energy saving, emission reduction and green environmental protection in order to meet the development needs.

To sum up, the exhaust gas treatment device of the existing micro gas-fired cogeneration unit has the problems of incomplete exhaust gas purification, low energy utilization rate and high noise.

Utility model content

In view of the above-mentioned problems existing in the prior art, it is now intended to provide an exhaust gas purification device, which is provided with three functional modules, and the exhaust gas is introduced into the purification module from the exhaust port to realize preliminary purification, and then the exhaust gas is introduced into the energy utilization In the module, the energy in part of the exhaust gas is collected for secondary use to improve the energy utilization rate. Finally, the exhaust gas is introduced into the noise reduction module. While reducing the noise, the exhaust gas is further purified to completely purify the exhaust gas and solve the existing The exhaust gas treatment device has the problems of incomplete exhaust gas purification and high noise.

The specific technical scheme is as follows:

An exhaust purification device has the following characteristics, including: a purification module, an energy utilization module, and a noise reduction module, the engine exhaust port is connected to the purification module through a first pipeline, and the end of the purification module away from the engine exhaust port passes through a second The pipeline is connected to the energy utilization module, and the end of the energy utilization module away from the purification module is connected to the noise reduction module through the third pipeline.

The above exhaust purification device, wherein the purification module is a three-way catalytic converter.

The above-mentioned exhaust purification device, wherein the energy utilization module is a smoke-water heat exchanger.

The above-mentioned exhaust purification device, wherein a water inlet and a water outlet are provided on the smoke-water heat exchanger, and the water outlet and the purification module are on the same side of the smoke-water heat exchanger.

The above exhaust purification device, wherein the noise reduction module is a muffler.

The above-mentioned exhaust purification device, wherein the purification module, the energy utilization module and the noise reduction module are detachably connected to each pipeline.

In the above-mentioned exhaust gas purification device, a dust filter is arranged in the muffler.

In the above-mentioned exhaust purification device, the first pipeline connecting the engine exhaust port and the purification module is arranged in irregular bends.

The positive effects of the above technical solution are: 1. The exhaust gas treatment device is set into three relatively independent modules, which can be disassembled freely, and the installation and disassembly are convenient, which is convenient for later maintenance; 2. The muffler is installed so that the exhaust gas There will be no excessive noise and no noise pollution; 3. A dust filter is installed in the muffler, so that the exhaust gas is purified by the three-way catalytic converter and then purified by the dust filter. Double purification makes the exhaust gas purification more efficient. Thoroughly reduce environmental pollution; 4. Set up a smoke-water heat exchanger in the tail gas treatment device, so that the heat in the tail gas can exchange heat with water, complete the reabsorption and utilization of energy, and improve the beneficial effect of energy saving and emission reduction .

Description of drawings

Fig. 1 is the structural diagram of the embodiment of a kind of exhaust purification device of the present utility model;

Fig. 2 is a structural diagram of a viewing angle of a preferred embodiment of the present invention.

In the drawings: 1. three-way catalytic converter; 2. smoke-water heat exchanger; 21. air inlet; 22. air outlet; 3. muffler; 31. air outlet channel; 41. first pipe; 42. second pipe ; 43, the third pipeline; 5, water outlet.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the following embodiments are combined with accompanying drawings 1 to 2 to elaborate on the technical solutions provided by the utility model, but the following content does not constitute the utility model A new type of limitation.

Fig. 1 is a structural diagram of an embodiment of an exhaust purification device of the present invention; Fig. 2 is a structural diagram of a preferred embodiment of the present invention from a perspective. As shown in Figures 1 and 2, the exhaust gas purification device provided in this embodiment includes: a first pipeline 41, a second pipeline 42, a third pipeline 43, a three-way catalytic converter 1, a smoke-water heat exchanger 2, an air intake Port 21, air outlet 22, water outlet 5, muffler 3 and air outlet channel 31.

Specifically, a first pipe 41 is connected to the engine exhaust port (not marked), and a three-way catalytic converter 1 is connected to the side of the first pipe 41 away from the engine exhaust port (not marked), and the exhaust gas is exhausted from the engine. The air port (not marked) is discharged, and enters the three-way catalytic converter 1 through the first pipeline 41. The three-way catalytic converter 1 realizes the preliminary purification of the exhaust gas, filters out harmful components in the exhaust gas, and reduces the emission of harmful substances into the air.

Specifically, the end of the three-way catalytic converter 1 away from the engine exhaust port (not marked) is connected with a second pipeline 42, one end of the second pipeline 42 communicates with the three-way catalytic converter 1, and the other end of the second pipeline 42 is connected It is on the smoke-water heat exchanger 2 and communicates with the smoke-water heat exchanger 2 .

More specifically, the smoke-water heat exchanger 2 is arranged in a rectangular shape, and the smoke-water heat exchanger 2 is provided with an air inlet 21 and an air outlet 22, and the air inlet 21 is connected to the three-way catalytic converter 1 through the second pipe 42 , the gas outlet 22 is connected to the muffler 3, the exhaust gas enters the smoke-water heat exchanger 2 through the air inlet 21 of the smoke-water heat exchanger 2 after passing through the three-way catalytic converter 1, and passes through the gas-water heat exchanger 2 through the gas outlet 22 into the muffler 3.

The smoke-water heat exchanger 2 is also provided with a water inlet (not shown) and a water outlet 5, the water inlet (not shown) is connected to an external water source (not shown), and the water outlet 5 is connected to the three-way catalytic converter 1 It is located on the same side of the smoke-water heat exchanger 2, and the water outlet 5 is connected to a water storage device (not shown) of an external user.

Specifically, the gas outlet 22 of the smoke-water heat exchanger 2 is connected to the muffler 3 through the third pipe 43, and the muffler 3 is communicated with the smoke-water heat exchanger 2 through the third pipe 43, so that the exhaust gas flows from the smoke-water heat exchanger 2 After being discharged, it enters the muffler 3.

More specifically, a dust filter device (not shown) is provided in the muffler 3 to ensure that when the exhaust gas passes through the muffler 3, the dust in the exhaust gas will be fully absorbed by the dust filter (not shown), further reducing the discharge into the atmosphere amount of pollutants.

An air outlet channel 31 is provided on the side of the muffler 3 facing away from the smoke-water heat exchanger 2, and the air outlet channel 31 is freely arranged to discharge the further filtered exhaust gas into the natural air.

As a preferred embodiment, the first pipeline 41 is connected to the engine exhaust port (not marked) through a threaded connector (not marked), which facilitates the installation and disassembly of the exhaust gas treatment device on the engine, and can make the connection more firm. More security.

As a preferred embodiment, the first pipe 41 connected to the engine exhaust port (not marked) is provided with multiple bends, and when the exhaust gas passes through the first pipe 41, it can be buffered by the bent pipe wall to avoid exhaust gas Direct impact on the three-way catalytic converter 1, prolonging the service life of the three-way catalytic converter 1.

As a preferred embodiment, the exhaust gas treatment device is divided into three modules, and the three modules are detachably connected to each pipeline, which is convenient for later maintenance, and the corresponding module can be replaced after a certain module is damaged. It is necessary to replace the tail gas treatment device as a whole, which saves the cost.

The exhaust purification device provided in this embodiment can be an engine exhaust purification device of a VCG15S gas-fired micro cogeneration unit.

The exhaust purification device provided in this embodiment includes a purification module, an energy utilization module, and a noise reduction module. The engine exhaust port (not shown) is connected to the purification module through a first pipeline 41, and the purification module is away from the engine exhaust port (not shown). One end marked) is connected to the energy utilization module through the second pipeline 42, and the end of the energy utilization module away from the purification module is connected to the noise reduction module through the third pipeline 43, the structure design is reasonable, and the layout is compact; by setting the three-way catalytic converter 1, Filter out harmful substances in the exhaust gas to avoid polluting the air; and install a smoke-water heat exchanger 2 in the exhaust gas treatment device, so that the heat in the exhaust gas can exchange heat with water, complete energy reabsorption and utilization, and improve energy saving and emission reduction beneficial effect; finally, the exhaust gas is discharged through the muffler 3, reducing the noise of exhaust emission and avoiding noise pollution; by setting the exhaust gas treatment device into three relatively independent modules, all of which can be freely disassembled, easy to install and disassemble, and convenient Later maintenance; by installing a dust filter (not shown) in the muffler 3, the exhaust gas is purified by the three-way catalytic converter 1 and then purified by the dust filter (not shown). Double purification makes the exhaust gas purification more thorough ,reduce environmental pollution.

The above are only preferred embodiments of the present utility model, and are not intended to limit the implementation and protection scope of the present utility model. For those skilled in the art, they should be able to realize that any use of the utility model specification and illustration content made Solutions obtained by equivalent replacements and obvious changes shall all be included in the protection scope of the present utility model.

Claims (8)

1. a kind of emission-control equipment, it is characterised in that including：Cleaning module, using energy source module, noise abatement module, engine Exhaust outlet is connected with the cleaning module by the first pipeline, and the cleaning module leads to away from one end of the engine exhaust port Cross second pipe to be connected with the using energy source module, the using energy source module is away from one end of the cleaning module by the Three pipelines are connected with the noise abatement module.

2. a kind of emission-control equipment according to claim 1, it is characterised in that the cleaning module is three-element catalytic Device.

3. a kind of emission-control equipment according to claim 1, it is characterised in that the using energy source module is changed for cigarette water Hot device.

4. a kind of emission-control equipment according to claim 3, it is characterised in that be provided with the cigarette water- to-water heat exchanger With water inlet and water out is used, and the use water out and the cleaning module are in the same side of the cigarette water- to-water heat exchanger.

5. a kind of emission-control equipment according to claim 1, it is characterised in that the noise abatement module is silencer.

6. a kind of emission-control equipment according to claim 1, it is characterised in that the cleaning module, energy profit It is detachably connected with being between module and the noise abatement module and each pipeline.

7. a kind of emission-control equipment according to claim 5, it is characterised in that dust mistake is provided with the silencer Filter.

8. a kind of emission-control equipment according to claim 1, it is characterised in that the connection engine exhaust port and institute It is in irregular curved setting to state the first pipeline between cleaning module.