TWM563916U - Pre-filter for gas filtration device - Google Patents

Abstract

The present invention is a pre-filter of a gas filtering device, comprising: a casing having a first filtering chamber, a second filtering chamber, and a water tank, the first filtering chamber having an air inlet and a communication port a water storage portion, a water outlet, and a guiding portion for guiding water flowing out of the water outlet to form a water curtain shielding the communication port, the second filtering chamber having a a first air outlet, and a plurality of filter sections, each of the filter sections being arranged at a staggered interval and inclined downward; and a pumping unit for pumping water in the water reservoir to the water tank. The water curtain is used to filter the gas entering the air inlet for the first time, and then filter the gas entering the communication port for a second time by using a plurality of filtering parts to achieve the best structure with the simplest structure. Filtration efficiency and the purpose of producing the lowest resistance.

Description

Pre-filter for gas filtration unit

The present invention is related to a pre-filter, and in particular to a pre-filter of a gas filtering device.

With the requirements of environmental protection, the exhaust gas emitted by the factory is required to comply with environmental protection standards. Not only the exhaust gas emitted from restaurants and general household hoods may be required to comply with environmental standards. Therefore, various gas filtering devices are used to treat the exhaust gas so that the discharged gas can meet environmental standards and avoid pollution.

However, when the gas filtering device performs a large-volume filtering operation, a front filter is installed at the front end thereof, and the pre-filter mainly functions to filter large dust particles in the air to protect the rear end gas filtering. The device simultaneously reduces the load on the gas filtering device. However, such pre-filters must meet the requirements of high filtration efficiency and low resistance in structural design to avoid increasing the suction load and reducing the throughput of the rear gas filtering device. Therefore, how to develop a pre-filter that satisfies the aforementioned requirements is the research engine of the present invention.

The purpose of the present invention is to provide a pre-filter for a gas filtration device that achieves optimum filtration efficiency and produces the lowest resistance with the simplest structure.

In order to achieve the foregoing objective, a pre-filter of a gas filtering device according to the present invention includes: a casing having a first filtering chamber, a second filtering chamber, and a second filtering a water tank for holding water, the first filter chamber has an air inlet, a communication port communicating with the second filter chamber and lower than the air inlet, and a lower than the communication port for housing a water storage portion of the water, a water outlet communicating with the water tank and higher than the air inlet, and a guiding portion connected to the water outlet, the guiding portion for guiding the water outlet to flow out The water to form a water curtain that shields the communication port, the second filter chamber has a first air outlet higher than the communication port, and a plurality of filters disposed between the first air outlet and the communication port And a pumping unit configured to draw water in the water storage portion to the water tank.

Preferably, the guiding portion of the first filtering chamber has an inclined guiding section which is connected below the water outlet and inclined downward, and a connecting the inclined guiding section and extending toward the water storage portion and should enter An extended guiding section of the port.

Preferably, the pumping unit comprises a water suction pipe connected to the water storage portion, and a water pump provided above the water tank and communicating with the water suction pipe, so that water in the water storage portion is pumped to the water tank.

Preferably, the housing further has a third filter chamber, the third filter chamber communicates with the second filter chamber through the first air outlet, and has a second lower than the first air outlet. Air outlet.

Preferably, the housing further has a fourth filter chamber, wherein the fourth filter chamber communicates with the third filter chamber through the second air outlet, and has a third portion higher than the second air outlet. Air outlet.

Preferably, the fourth filter chamber further has a fourth air outlet lower than the third air outlet.

Thereby, the present invention forms a water curtain shielding the communication port in the first filtering chamber by the structural design of the casing and the pumping unit, so as to filter the gas entering the air inlet for the first time, and then The second filter is arranged in the second filter chamber at a staggered interval and inclined downward, so that the gas entering the communication port is filtered a second time, so as to achieve the best filtration efficiency and the lowest resistance with the simplest structure. the goal of.

With regard to the techniques, means and other functions of the present invention for achieving the above objects, four preferred embodiments will be described in detail with reference to the drawings.

Before the present invention is described in detail, it is to be noted that in the following description, similar elements and parts are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, a pre-filter of a gas filtering device according to a first embodiment of the present invention is mainly composed of a casing 10 and a pumping unit 20, wherein: the casing 10, having a first filter chamber 11, a second filter chamber 12 adjacent to the first filter chamber 11, and a portion adjacent to the first filter chamber 11 and disposed above the second filter chamber 12 for housing The water tank 13 of the water 91.

The first filter chamber 11 has an air inlet 111, a communication port 112 communicating with the second filter chamber 12 and lower than the air inlet 111, and a lower portion than the communication port 112 for receiving the water 91. a water storage portion 113, a water outlet 114 communicating with the water tank 13 and higher than the air inlet 111, and a guiding portion 115 connected to the water outlet 114. The guiding portion 115 is used for guiding The water outlet 91 of the water outlet 114 flows to form a water curtain 116 that shields the communication port 112. In this embodiment, the guiding portion 115 of the first filter chamber 11 has a connection below the water outlet 114 and a downwardly inclined inclined guiding section 115A, and an extended guiding section 115B connecting the inclined guiding section 115A and extending toward the water storage portion 113 and corresponding to the air inlet 111, so that the water flowing out from the water outlet 114 The water curtain 116 is formed along the inclined guiding section 115A and the extended guiding section 115B.

The second filter chamber 12 has a first air outlet 121 higher than the communication port 112, and a plurality of filter portions 122 disposed between the first air outlet 121 and the communication port 112. Each of the filter portions 122 Set at staggered intervals and tilt down.

The pumping unit 20 is configured to draw the water 91 in the water storage unit 113 to the water tank 13. In the present embodiment, the pumping unit 20 includes a water suction pipe 21 that communicates with the water storage unit 113, and a water pumping motor 22 that is disposed above the water tank 13 and communicates with the water suction pipe 21, thereby the water storage unit 113. The water 91 is pumped to the water tank 13. The pumping motor 22 has an inlet 221 that is in contact with the water suction pipe 21 and an outlet 222 that communicates with the inlet 221 to correspond to the water tank 13. Since the pumping unit 20 is a conventional member and its actuation method is the same as the conventional method, and is not the focus of the present invention, the detailed structure and operation mode of the member will not be described in detail.

The above description is the structure and configuration description of each main component of the first embodiment of the present invention. The mode of operation and efficacy of the present invention are described below.

It should be noted that when the gas 96 is filtered, the gas 96 is entered by the air inlet 111 of the first filter chamber 11 of the casing 10, and finally by the second filter chamber 12 of the casing 10. An outlet port 121 is output; and the water 91 in the water tank 13 flows out from the water outlet 114 and flows along the shape of the guiding portion 115 to the water storage portion 113 to form a shielding port 112. The water curtain 116, and the water curtain 116 is continuously generated by the operation of the pumping unit 20.

Referring to FIG. 2, when the gas 96 enters the first filter chamber 11 from the air inlet 111 of the casing 10, part of the gas 96 strikes the water curtain 116 first, and at this time, the larger dust particles in the gas 96. Will be mixed with or dissolved by the water vapor in the water curtain 116 to be carried away to the water storage portion 113; secondly, when the gas 96 in the first filtration chamber 11 flows toward the second filtration chamber 12, due to the water The curtain 116 shields the communication port 112, that is, the water curtain 116 divides the first filter chamber 11 into a first filter space 117 and a second filter space 118. Therefore, the gas 96 must pass through the water curtain 116 while in the gas. When the water curtain 116 passes through the water curtain 116, the larger dust particles in the gas 96 are also mixed or decomposed with the water vapor in the water curtain 116 to be carried away and flow to the water storage portion 113, thus completing the gas 96. The first time filtering.

Then, when the gas 96 enters the second filter chamber 12 from the communication port 112 and flows out from the first air outlet 121, since the second filter chamber 12 has a plurality of filter portions which are disposed at staggered intervals and are inclined downward. 122 is structurally designed so that the flow path of the gas 96 can be increased and dust particles in the gas 96 can be struck and blocked, thus completing a second filtration of the gas 96.

Accordingly, the present invention forms a water curtain 116 shielding the communication port 112 in the first filter chamber 11 by the structural design of the casing 10 and the pumping unit 20, thereby entering the gas entering the air inlet 111. 96 performs the first filtration, and then passes through the plurality of filter segments 122 which are disposed at staggered intervals in the second filter chamber 12 and are inclined downward, thereby performing the second filtration on the gas 96 entering the communication port 112 to achieve the most The simple structure achieves the best filtration efficiency and the goal of producing the lowest resistance.

It is worth mentioning that in the present invention, the water curtain 116 completely shields the communication port 112, so when the gas 96 in the first filter chamber 11 flows toward the second filter chamber 12, the gas 96 must pass through the water curtain 116. Therefore, the present invention ensures that the gas 96 is mixed or dissolved with the moisture in the water curtain 116 to ensure the filtration efficiency of the gas 96.

Referring to FIG. 3, a pre-filter of a gas filtering device according to a second embodiment of the present invention is also composed of a casing 10 and a pumping unit 20, which is different from the first embodiment in that:

The housing 10 further has a third filter chamber 14 adjacent to the second filter chamber 12, and the third filter chamber 14 communicates with the second filter chamber 12 through the first air outlet 121 and has a lower The second air outlet 141 of the first air outlet 121. Accordingly, when the gas 96 enters the third filter chamber 14 from the first air outlet 121 of the second filter chamber 12 and is discharged by the second air outlet 141, when the gas 96 is discharged from the second air outlet 141 The flow path of the gas 96 must be bent at an angle such that the dust particles in the gas 96 are separated by the influence of inertia and gravity, thereby increasing the filtration efficiency.

Referring to FIG. 4, a pre-filter of a gas filtering device according to a third embodiment of the present invention is also composed of a casing 10 and a pumping unit 20, which is different from the second embodiment in that:

The housing 10 further has a fourth filter chamber 15 adjacent to the third filter chamber 14. The fourth filter chamber 15 communicates with the third filter chamber 14 through the second air outlet 141 and has a height. The third air outlet 151 of the second air outlet 141. Accordingly, when the gas 96 enters the fourth filter chamber 15 from the second air outlet 141 of the third filter chamber 14 and is discharged by the third air outlet 151, when the gas 96 is discharged from the third air outlet 151 The flow path of the gas 96 must be bent at an angle such that the dust particles in the gas 96 are separated by the influence of inertia and gravity, thereby increasing the filtration efficiency.

Referring to FIG. 5, a pre-filter of a gas filtering device according to a fourth embodiment of the present invention is also composed of a casing 10 and a pumping unit 20, which is different from the third embodiment in that:

The fourth filter chamber 15 further has a fourth air outlet 152 lower than the third air outlet 151, thereby achieving another implementation state.

10‧‧‧shell

11‧‧‧First filter room

111‧‧‧air inlet

112‧‧‧Connected

113‧‧‧Water Storage Department

114‧‧‧Water outlet

115‧‧‧Guidance

115A‧‧‧Tilting guide section

115B‧‧‧Extended guiding section

116‧‧‧Water curtain

117‧‧‧First filtration space

118‧‧‧Second filter space

12‧‧‧Second filter room

121‧‧‧First air outlet

122‧‧‧Filter section

13‧‧‧Sink

14‧‧‧ third filter room

141‧‧‧Second air outlet

15‧‧‧Fourth filter room

151‧‧‧ third air outlet

152‧‧‧ fourth outlet

20‧‧‧ pumping unit

21‧‧‧Water pipes

22‧‧‧ pumping motor

221‧‧‧ entrance

222‧‧‧Export

91‧‧‧ water

96‧‧‧ gas

Figure 1 is a schematic view of a first embodiment of the present invention.

Fig. 2 is a schematic view showing the operation of the first embodiment of the present invention.

Figure 3 is a schematic view of a second embodiment of the present invention.

Figure 4 is a schematic view of a third embodiment of the present invention.

Figure 5 is a schematic view of a fourth embodiment of the present invention.

Claims (6)

A pre-filter of a gas filtering device, comprising: a casing having a first filtering chamber, a second filtering chamber, and a water tank disposed above the second filtering chamber for containing water, the first The filter chamber has an air inlet, a communication port communicating with the second filter chamber and lower than the air inlet, a water storage portion lower than the communication port for containing the water, and a water tank communicating with the water tank a water outlet higher than the air inlet and a guiding portion connected to the water outlet, the guiding portion is configured to guide the water flowing out of the water outlet to form a water shielding the communication port a second filter chamber having a first air outlet higher than the communication port and a plurality of filter portions disposed between the first air outlet and the communication port, each of the filter portions being arranged at a staggered interval Tilting downward; and a pumping unit for pumping water from the water reservoir to the sink. The pre-filter of the gas filtering device of claim 1, wherein the guiding portion of the first filtering chamber has a slanting guiding section connected below the water outlet and inclined downward, and a connecting the inclination The guiding section extends toward the water reservoir and corresponds to the extended guiding section of the air inlet. The pre-filter of the gas filtering device of claim 1, wherein the pumping unit comprises a pumping pipe connected to the water storage portion, and a pumping motor disposed above the water tank and communicating with the water pumping pipe, thereby The water in the water storage portion is pumped to the water tank. The pre-filter of the gas filtering device of claim 1, wherein the housing further has a third filtering chamber, wherein the third filtering chamber communicates with the second filtering chamber through the first air outlet, and There is a second air outlet lower than the first air outlet. The pre-filter of the gas filtering device of claim 4, wherein the housing further has a fourth filter chamber, wherein the fourth filter chamber communicates with the third filter chamber through the second air outlet, and There is a third air outlet higher than the second air outlet. The pre-filter of the gas filtering device of claim 5, wherein the fourth filtering chamber further has a fourth air outlet lower than the third air outlet.