CN111828209A

CN111828209A - Steam purifying type air filter

Info

Publication number: CN111828209A
Application number: CN201910317361.1A
Authority: CN
Inventors: 姚舜; 姚志勇; 姚志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-14
Filing date: 2019-04-14
Publication date: 2020-10-27

Abstract

Steam purification formula air cleaner. The present invention belongs to the field of air purification, and can be used for air filtration and purification of various internal combustion engine and air compressor of vehicles and ships. At present, wet purification and dry purification are generally adopted for air filtration and purification of an internal combustion engine and an air compressor, but the two modes can not purify tiny particles, and a filter element is frequently replaced. The device is connected in series with a passage for air to enter an engine, a gas mixing chamber is connected in series with the passage for air to enter the engine, the gas mixing chamber is simultaneously communicated with a hot steam water mist generator, after the air is mixed with the hot steam water mist, solid particles in the air lose the floating capacity and enter a cooling sedimentation tank, water is contained in the cooling sedimentation tank, the air is cooled in the cooling sedimentation tank, the air particles such as PM2.5 particles are precipitated in the water, and the residual clean gas overflows from the cooling sedimentation tank. The scheme is high in purification efficiency, little in pollution discharge and close to zero pollution, air can be thoroughly purified to reach the standard of human breathing air, and the service life of an engine and an air compressor is greatly prolonged.

Description

Steam purifying type air filter

Field of the invention

The invention belongs to the field of gas purification, and particularly relates to a steam purification type air filter which is suitable for preposed air purification of an internal combustion engine, an air compressor and pneumatic machinery.

Background

At present, air filters used for air purification of engines for vehicles and ships include a wet filter and a dry filter. Both types of filters have advantages and disadvantages, but they have the common disadvantage of only filtering out larger particles in the air, and are almost ineffective for smaller particles, such as particles around PM 2.5. In fact, the abrasion effect of the tiny dust in the air on the cylinders of the engine, the air compressor and the like is also serious. Therefore, it is necessary to develop an air cleaner for completely purifying air.

Disclosure of Invention

The utility model provides a steam purification formula air cleaner, concatenate a gas mixing chamber on the passageway that contaminated air got into, gas mixing chamber communicates hot steam vapor generator simultaneously, become the gas of moist state after air and steam water smoke mix, the gas of moist state reentrants cooling sedimentation tank has water in the cooling sedimentation tank, gas is cooled down, its particulate matter also loses the floating capacity, airborne particles such as PM2.5 granule wherein are depositd in aqueous, surplus clean gas overflows from the cooling sedimentation tank. This scheme of adoption, simple structure, with low costs, purification efficiency is high, and the blowdown is minimum, approaches zero pollution.

The specific technical scheme adopted by the invention is that the polluted gas enters a gas mixing chamber through an air pipeline, the gas mixing chamber is a closed space, the gas mixing chamber is simultaneously communicated with a hot steam generator, the hot steam generator is formed by adding water and a heat source in a closed container, the heat source heats the water to boil and vaporize, the water is fully atomized to form steam mist, the gas mixing chamber is communicated into a particle settling tank through a gas mixing pipe, the particle settling tank is filled with the water, an air exhaust fan is connected on the gas mixing pipe in series, the gas outlet end of the gas mixing pipe is communicated with a gas chopper, the gas chopper is a gas-permeable chamber, the gas-permeable surface of the gas chopper is a porous filter screen, the gas chopper is arranged below the water surface in the particle settling tank, and the upper end of the particle settling; the polluted gas is introduced by an air exhaust fan and enters a gas mixing chamber through an air pipeline, steam water mist also enters the gas mixing chamber, the polluted gas and the steam water mist are mixed in the gas mixing chamber to become wet gas, the wet gas enters a particle settling tank through the air exhaust fan, water is arranged in the particle settling tank, the outlet end of a gas mixing pipe is communicated with a gas chopper, the gas chopper is soaked in the water, the wet gas can only enter the water through fine meshes of the gas chopper, the wet gas is forcibly cut into fine micro bubbles by the gas chopper, the micro bubbles are cooled and precipitate polluted particles in the air in the water, the rest part of the micro bubbles becomes clean gas, and the clean gas is conveyed to an air inlet pipe of an engine through an air outlet pipe; all the components except the air inlet and the air outlet are sealed in the filter shell; the heat source comprises one or a combination of resistance heating elements for heating by electrifying and engine waste heat utilization heating.

Drawings

FIG. 1 is a schematic view of a steam mist air purifier with a mesh chamber as a gas chopper.

FIG. 2 is a schematic view of the principle of air purification by steam mist consisting of a tubular cavity and a filter screen arranged in the tubular cavity of the gas chopper.

Fig. 3 is a schematic diagram of a gas chopper consisting of a mesh chamber.

FIG. 4 is a schematic view of the principle of the gas chopper with the tubular cavity and the screen arranged therein.

Fig. 5 is a schematic plan view of a screen.

In the figure, 1, polluted gas, 2, an air pipeline, 3, a gas mixing chamber, 4, a hot steam water generator, 5, a gas mixing pipe, 6, a particle settling tank, 7, an air exhaust fan, 8, a gas chopper, 9, a water surface, 10, an exhaust pipe, 11, clean gas, 12, wet gas, 13, steam water mist, 14, a filter shell, 15, a tubular cavity, 16, a filter screen, 17, a mesh chamber, 18, micro bubbles and 19, a heat source.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

In the figure, the gas chopper 8 is composed of a closed and permeable chamber, called a mesh chamber 17, formed by a screen 16, and a plurality of mesh chambers 17 of different sizes are coaxially and parallelly sleeved to form the gas chopper 8, and the layers of the screen are separated by a certain distance.

The gas chopper 8 is composed of a tubular cavity 15 and filter screens 16 arranged in the tubular cavity, the plane of each filter screen 16 is vertical to the axial direction of the tubular cavity 15, the periphery of the plane of each filter screen 16 is matched with the inner wall of the tubular cavity 15, the filter screens 16 are parallel and spaced at a certain distance, and the wet gas 12 can only pass through small holes of the filter screens 16, so that the wet gas 12 is forcibly cut into tiny bubbles 18.

Fig. 1 is a schematic view of the principle of air purification with a mesh chamber as the gas chopper. In fig. 1, a polluted gas 1 enters a gas mixing chamber 3 through an air pipeline 2, the gas mixing chamber 3 is a closed space, the gas mixing chamber 3 is simultaneously communicated with a hot steam water generator 4, the hot steam water generator 4 is formed by adding water and a heat source (19) in a closed container, the heat source 19 heats the water to boil and vaporize, the water is fully atomized to form steam water mist 13, the gas mixing chamber 3 is communicated into a particulate matter sedimentation tank 6 through a gas mixing pipe 5, the particulate matter sedimentation tank 6 contains water, an air exhaust fan 7 is connected to the gas mixing pipe 5 in series, the gas outlet end of the gas mixing pipe 5 is communicated with a gas chopper 8, the gas chopper 8 is a breathable chamber, the breathable surface of the gas chopper is a porous filter screen, the gas chopper 8 is arranged below the water surface 9 in the particulate matter sedimentation tank 6, and the upper end of the particulate matter sedimentation tank 8; the method comprises the following steps that polluted gas 1 is introduced by an air exhaust fan 7 and enters a gas mixing chamber 3 through an air pipeline 2, steam mist 13 also enters the gas mixing chamber 3, the polluted gas 1 and the steam mist 13 are mixed in the gas mixing chamber 3 to become wet gas 12, the wet gas 12 enters a particulate matter sedimentation tank 6 through the air exhaust fan 7, water is contained in the particulate matter sedimentation tank 6, the outlet end of a gas mixing pipe 5 is communicated with a gas chopper 8, the gas chopper 8 is soaked in water, the wet gas 12 can only enter the water through fine meshes of the gas chopper 8, the wet gas 12 is forcibly cut into fine bubbles 18 by the gas chopper 8, the fine bubbles 18 are cooled and polluted particles in the air are precipitated in the water, the rest part of the air is clean gas 11, and the clean gas 11 is conveyed to an engine air inlet pipe through an air outlet pipe 10; all of the above components except the air inlet and the air outlet are enclosed in the filter housing 14; the heat source comprises one or a combination of resistance heating elements for heating by electrifying and engine waste heat utilization heating.

Fig. 2 is a schematic view of the principle of air purification consisting of a tubular cavity and a filter screen arranged in the tubular cavity. Fig. 2 is basically the same principle as fig. 1, except that in fig. 2, the gas chopper 8 is composed of a tubular cavity 15 and a filter screen 16 arranged in the tubular cavity 15, the plane of the filter screen 16 is vertical to the axial direction of the tubular cavity 15, the periphery of the plane of the filter screen 16 is matched with the inner wall of the tubular cavity 15, the filter screens 16 are parallel and spaced apart, the wet gas 12 can only pass through the small holes of the filter screen 16 and enter the water, and therefore the wet gas 12 is forcedly cut into tiny bubbles 18.

Fig. 3 is a schematic diagram of a gas chopper consisting of a mesh chamber. In fig. 3, the mesh chamber 17 is a gas-permeable closed cavity, and a plurality of mesh chambers 17 of different sizes are coaxially and parallelly sleeved to form the gas chopper 8, and a certain distance is reserved between the filter screen layers.

FIG. 4 is a schematic view of the principle of the gas chopper with the tubular cavity and the screen arranged therein. In fig. 4, the gas chopper 8 is composed of a tubular cavity 15 and a filter screen 16 arranged therein, the plane of the filter screen 16 is axially perpendicular to the tubular cavity 15, the periphery of the plane of the filter screen 16 is matched with the inner wall of the tubular cavity 15, and the filter screens 16 are parallel and spaced at a certain distance.

Fig. 5 is a schematic plan view of a screen. The screen 16 is a mesh-like planar body that includes a sponge, an air-permeable sand hammer, and various variants of porous screens.

It should be noted that the steam is generated by heating the water in the container to boiling, which belongs to the known technology, and the structure of the hot steam water generator 4 will not be described in detail.

Claims

1. The steam purification type air filter is characterized in that a polluted gas (1) enters a gas mixing chamber (3) through an air pipeline (2), the gas mixing chamber (3) is a closed space, the gas mixing chamber (3) is simultaneously communicated with a hot steam generator (4), the hot steam generator (4) is formed by adding water and a heat source (19) in a closed container, the heat source (19) heats the water to boiling and vaporizing, the water is fully atomized to form steam water mist (13), the gas mixing chamber (3) is communicated into a particulate matter sedimentation tank (6) through a gas mixing pipe (5), the particulate matter sedimentation tank (6) is filled with water, an air exhaust fan (7) is connected to the gas mixing pipe (5) in series, the gas outlet end of the gas mixing pipe (5) is communicated with a gas chopper (8), the gas chopper (8) is a gas-permeable cavity, the gas-permeable surface of the gas-permeable surface is a porous filter screen, the gas chopper (8) is arranged below the water surface (9) in, the upper end of the particle sedimentation tank (8) is provided with an air outlet pipe (10); the method comprises the steps that a polluted gas (1) is introduced by an air exhaust fan (7) and enters a gas mixing chamber (3) through an air pipeline (2), steam water mist (13) also enters the gas mixing chamber (3), the polluted gas (1) and the steam water mist (13) are mixed in the gas mixing chamber (3) to become humid gas (12), the humid gas (12) enters a particle settling pond (6) through the air exhaust fan (7), water exists in the particle settling pond (6), the outlet end of a gas mixing pipe (5) is communicated with a gas chopper (8), the gas chopper (8) is immersed in water, the humid gas (12) can only enter the water through the fine meshes of the gas chopper (8), the humid gas (12) is forcibly cut into fine micro bubbles (18) by the gas chopper (8), the micro bubbles (18) are cooled and precipitate polluted particles in the air in the water, the rest part becomes clean gas (11), and the clean gas (11) is conveyed to an engine air inlet pipe through an air outlet pipe (10); all the components except the air inlet and the air outlet are sealed in the filter shell (14); the heat source comprises one or a combination of resistance heating elements for heating by electrifying and engine waste heat utilization heating.

2. The steam cleaning air cleaner as recited in claim 1, wherein the gas chopper (8) is a closed air-permeable chamber, referred to as a mesh chamber (17), formed by a screen (16), and a plurality of mesh chambers (17) of different sizes are coaxially and parallelly nested to form the gas chopper (8), with a certain distance between layers of the screen.

3. The steam cleaning type air cleaner as claimed in claim 1, wherein the air chopper (8) is composed of a tubular cavity (15) and a filter screen (16) arranged therein, the plane of the filter screen (16) is perpendicular to the axial direction of the tubular cavity (15), the periphery of the plane of the filter screen (16) is fitted with the inner wall of the tubular cavity (15), the filter screens (16) are parallel and spaced apart from each other, the gas (12) in the wet state can only pass through the pores of the filter screen (16), and thus the gas (12) in the wet state is forcibly cut into the micro-bubbles (18).