CN216171217U - Waste gas filtering device - Google Patents

Abstract

The utility model discloses an exhaust gas filtering device, which comprises a tank body and a connecting pipe, wherein a lower cavity and an upper cavity are arranged in the tank body, the upper cavity is arranged at the upper side of the lower cavity, an air inlet is arranged on the cavity wall of the lower cavity, one end of the connecting pipe is communicated with the air inlet, and the other end of the connecting pipe is called as an installation end; the top of the upper cavity is provided with an exhaust port, the wall of the upper cavity is provided with a first opening, the first opening is provided with a detachable sealing cover, and a separation net is arranged between the upper cavity and the lower cavity. During the use, can be according to the harmful gas's that produces in the agitator tank kind, add corresponding liquid absorbent in the cavity down, add corresponding solid absorbent in last intracavity, then install the installation end on the bleeder vent of agitator tank, the gas that produces in the agitator tank can pass through connecting pipe, cavity of resorption, epicoele and then discharge to the external world from the gas vent, the gas that promptly discharges in the agitator tank gas can discharge the external world again through the filtration of liquid absorbent and solid absorbent, makes the influence of gas that discharges to production environment less.

Description

Waste gas filtering device

Technical Field

The utility model relates to the technical field of substance separation, in particular to a waste gas filtering device.

Background

In the industry, a stirring tank is often used for production, and in order to keep the pressure in the stirring tank at a level equivalent to the outside, air holes are often arranged on the stirring tank. However, some materials can generate harmful gases during production, or one of raw materials for production is volatile harmful substances, such as formaldehyde used in preparation of copper precipitation liquid; in this case, harmful gas can be discharged from the air holes, which affects the production environment and is not beneficial to the health of workers; these harmful gases are sometimes absorbed by a liquid absorbent or by a solid absorbent.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an exhaust gas filtering device.

The waste gas filtering device comprises a tank body and a connecting pipe, wherein a lower cavity and an upper cavity are arranged in the tank body, the upper cavity is arranged on the upper side of the lower cavity, an air inlet is formed in the cavity wall of the lower cavity, one end of the connecting pipe is communicated with the air inlet, and the other end of the connecting pipe is called as an installation end; the top of epicoele is equipped with the gas vent, the chamber wall of epicoele is equipped with first opening, be equipped with the detachable closing cap on the first opening, the epicoele with be equipped with between the cavity of resorption and separate the net.

According to the exhaust gas filtering device of the embodiment of the utility model, at least the following technical effects are achieved: by arranging the separation net, the liquid absorbent and the solid absorbent can be simultaneously put into the tank body; during the use, can be according to the harmful gas's that produces in the agitator tank kind, add corresponding liquid absorbent in the cavity down, add corresponding solid absorbent in last intracavity, then install the installation end on the bleeder vent of agitator tank, the gas that produces in the agitator tank can pass through connecting pipe, cavity of resorption, epicoele and then discharge to the external world from the gas vent, the gas that promptly discharges in the agitator tank gas can discharge the external world again through the filtration of liquid absorbent and solid absorbent, makes the influence of gas that discharges to production environment less.

According to some embodiments of the utility model, the top of the upper chamber is open, the first opening is open, and the vent is disposed on the cover. Thus, the area of the first opening is larger, and the solid absorbent can be conveniently put in or taken out.

According to some embodiments of the utility model, a connecting piece is arranged in the upper cavity, the connecting piece is vertically arranged in a cylindrical shape, the separation net cover is arranged at the bottom of the connecting piece, and the connecting piece is detachably connected with the tank body. When the solid absorbent needs to be put in or taken out, the connecting piece can be taken out from the tank body firstly, then the solid absorbent is put in or taken out from the connecting piece, and then the connecting piece is installed back to the tank body, so that the operation is convenient.

According to some embodiments of the present invention, the top of the connecting member is provided with a first annular protruding edge, the first protruding edge is sleeved outside the connecting member, and the first protruding edge abuts against an upper side of an edge of the first opening. After the sealing cover is taken down, the connecting piece can be taken out by directly upwards taking up the connecting piece, and the sealing cover is simple in structure and convenient to operate.

According to some embodiments of the utility model, a sealing ring is arranged between the first convex edge and the edge of the first opening, and the top of the cover abuts against the upper side of the first convex edge; the bottom of the sealing cover is sleeved on the outer side of the top of the tank body, and the sealing cover is connected with the tank body through threads. Through setting up the sealing washer, prevent that gas from just discharging without the filtration of solid absorbent, moreover, because closing cap and jar body threaded connection, the closing cap can move down when rotating the closing cap, and then applys decurrent power to first protruding edge, makes the sealing washer receive the extrusion, sealed effectual.

According to some embodiments of the utility model, the upper side of the spacer mesh is covered with a cotton cloth or a net cloth. When the solid absorbent is taken out, the cotton cloth or the net cloth can be taken out and replaced together, so that the residual solid absorbent is prevented from being attached to the separation net, and the cleaning is convenient.

According to some embodiments of the present invention, the connection pipe is provided with a bypass port, the bypass port is provided with a bypass connection pipe, the bypass connection pipe is provided with a first check valve, the connection pipe is provided with a second check valve, and the second check valve is disposed between the bypass port and the air inlet. Like this when leading to pressure drop because of temperature decline or other reasons in the agitator tank, outside air can be followed the takeover and flowed in the agitator tank, maintain the pressure in the agitator tank, and liquid absorbent can not be because of the negative pressure is inhaled in the agitator tank, prevents that liquid absorbent from causing the pollution to the material in the agitator tank.

According to some embodiments of the utility model, a liquid outlet is arranged at the bottom of the lower cavity, and a liquid outlet valve is arranged on the liquid outlet. Through setting up leakage fluid dram and flowing back valve, the discharge of the absorbent of liquid of being convenient for.

According to some embodiments of the utility model, a solid absorbent is disposed in the upper chamber and a liquid absorbent is disposed in the lower chamber. The gas discharged from the stirring tank is filtered by the liquid absorbent and the solid absorbent and then discharged to the outside, so that the influence of the discharged gas on the production environment is small.

According to some embodiments of the utility model, the solid absorbent is activated carbon and the liquid absorbent is water or an ethanol solution. Therefore, the utility model has better filtering effect on formaldehyde.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front cross-sectional view of an exhaust gas filtering device according to an embodiment of the present invention.

In the drawings:

100-tank body; 110-a cover; 111-vent; 120-drain valve; 200-connecting pipe; 201-a mounting end; 210-a first one-way valve; 211-a bypass pipe; 220-a second one-way valve; 300-a connector; 310-a first convex edge; 320-a sealing ring; 330-solid absorbent; 340-mesh cloth; 350-separation net; 400-liquid absorbent.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An exhaust gas filtering apparatus according to an embodiment of the present invention is described below with reference to fig. 1.

The waste gas filtering device comprises a tank body 100 and a connecting pipe 200, wherein a lower cavity and an upper cavity are arranged in the tank body 100, the upper cavity is arranged on the upper side of the lower cavity, an air inlet is formed in the cavity wall of the lower cavity, one end of the connecting pipe 200 is communicated with the air inlet, and the other end of the connecting pipe 200 is called as an installation end 201; the top of the upper chamber is provided with an exhaust port 111, the wall of the upper chamber is provided with a first opening, the first opening is provided with a detachable sealing cover 110, and a separation net 350 is arranged between the upper chamber and the lower chamber.

For example, as shown in fig. 1, the gas inlet may be disposed at the bottom of the lower chamber, the top of the upper chamber is open, and the open position is a first opening; of course, the first opening may be an opening formed in a sidewall of the upper chamber, and may be used to insert or remove the solid absorbent 330; the separation net 350 can be fixedly connected with the inner wall of the tank body 100; the mounting end 201 may be provided with a flange or other suitable structure to facilitate connection to the vent of the agitator tank; the cover 110 and the can 100 may be detachably connected by a snap connection, a bolt connection, a screw connection, or other suitable means.

By arranging the partition net 350, the liquid absorbent 400 and the solid absorbent 330 can be simultaneously placed in the tank body 100; during the use, can be according to the harmful gas's that produces in the agitator tank kind, add corresponding liquid absorbent 400 in the intracavity down, add corresponding solid absorbent 330 in last intracavity, then install installation end 201 on the bleeder vent of agitator tank, the gas that produces in the agitator tank can pass through connecting pipe 200, the lower chamber, the upper chamber is discharged to the external world from gas vent 111 again, the gas that produces in the agitator tank can discharge to the external world again through the filtration of liquid absorbent 400 and solid absorbent 330 promptly, make the gas of emission less to the influence of production environment. If the harmful gas generated in the agitation tank is filtered only by using the liquid absorbent 400 or the solid absorbent 330, only the liquid absorbent 400 or the solid absorbent 330 may be added into the tank 100; the solid absorbent 330 can be put in or taken out from the first opening after the cover 110 is opened.

In some embodiments of the present invention, the top of the upper chamber is open, the first opening is open, and the vent 111 is disposed on the cover 110. The can 100 has a cylindrical shape with a closed bottom and an open top, so that the first opening has a large area to facilitate the introduction or removal of the solid absorbent 330.

In some embodiments of the present invention, a connecting member 300 is disposed in the upper chamber, the connecting member 300 is in a vertically arranged cylindrical shape, the separation net 350 covers the bottom of the connecting member 300, and the connecting member 300 is detachably connected to the tank 100. The connecting piece 300 and the tank body 100 can be detachably connected through clamping, threaded connection, bolt connection or other suitable structures, and the connecting piece 300 and the separation net 350 can be integrally formed components, so that when the solid absorbent 330 needs to be put in or taken out, the connecting piece 300 can be taken out from the tank body 100, then the solid absorbent 330 is put in the connecting piece 300 or the solid absorbent 330 is taken out from the connecting piece 300, and then the connecting piece 300 is installed back into the tank body 100, so that the operation is convenient; in addition, the liquid absorbent 400 in the tank 100 can be easily replaced or cleaned after the connector 300 is removed from the tank 100.

In some embodiments of the present invention, the top of the connecting member 300 is provided with a first annular protruding edge 310, the first protruding edge 310 is sleeved outside the connecting member 300, and the first protruding edge 310 abuts against the upper side of the edge of the first opening. The first protruding edge 310 and the connecting member 300 can be an integral component, so that after the cover 110 is removed, the connecting member 300 can be taken out by directly taking up the connecting member 300, and the structure is simple and the operation is simple.

In some embodiments of the present invention, a sealing ring 320 is disposed between the first protruding edge 310 and the edge of the first opening, and the top of the cap 110 abuts against the upper side of the first protruding edge 310; the bottom of the cover 110 is sleeved on the outer side of the top of the can body 100, and the cover 110 is connected with the can body 100 through threads. Referring to fig. 1, the top of the cover 110 may be a flat top structure, and the top of the cover 110 directly abuts against the upper side of the first ledge 310, however, the cover 110 may also be an arc top structure, and at this time, an abutting ring protruding downward may be disposed on the inner side of the top of the cover 110 to abut against the first ledge 310; the sealing ring 320 is arranged to prevent the gas from being discharged without being filtered by the solid absorbent 330, and the sealing cover 110 is screwed with the tank body 100, so that the sealing cover 110 can move downwards when the sealing cover 110 is rotated, and further, a downward force is applied to the first convex edge 310, and the sealing ring 320 is squeezed and has a good sealing effect.

In some embodiments of the utility model, the upper side of the spacer 350 is covered with a cotton cloth or mesh 340. Therefore, the solid absorbent 330 can be placed on the upper side of the cotton cloth or the mesh cloth 340, the solid absorbent 330 with smaller particle volume can be prevented from passing through the separation net 350 and falling into the liquid absorbent 400, in addition, when the solid absorbent 330 is taken out, the cotton cloth or the mesh cloth 340 can also be taken out and replaced together, the residual solid absorbent 330 is prevented from being attached to the separation net 350, and the cleaning is convenient.

In some embodiments of the present invention, a bypass port is disposed on the connection pipe 200, a bypass connection pipe 211 is disposed on the bypass port, a first check valve 210 is disposed on the bypass connection pipe 211, a second check valve 220 is disposed on the connection pipe 200, and the second check valve 220 is disposed between the bypass port and the air inlet. One end of the bypass pipe 211 is connected to the bypass port, and the other end is open, the conduction direction of the first check valve 210 is a direction flowing to the bypass port, and the conduction direction of the second check valve 220 is a direction flowing to the air inlet; therefore, when the pressure in the stirring tank is reduced due to temperature reduction or other reasons, the external air can flow into the stirring tank from the bypass pipe 211 and maintain the pressure in the stirring tank, the liquid absorbent 400 cannot be sucked into the stirring tank due to negative pressure, and the liquid absorbent 400 is prevented from polluting materials in the stirring tank.

In some embodiments of the present invention, the bottom of the lower chamber is provided with a drain port, and the drain port is provided with a drain valve 120. The liquid absorbent 400 may be introduced from the first opening; by providing the drain port and the drain valve 120, the liquid absorbent 400 can be drained by opening the drain valve 120, which facilitates the drainage of the liquid absorbent 400, and the drain valve 120 may be a manual shut-off valve or an electromagnetic valve.

In some embodiments of the present invention, a solid absorbent 330 is disposed in the upper chamber and a liquid absorbent 400 is disposed in the lower chamber. The gas discharged from the agitation tank is filtered by the liquid absorbent 400 and the solid absorbent 330 and then discharged to the outside, so that the discharged gas has less influence on the production environment.

In some embodiments of the utility model, the solid absorbent 330 is activated carbon and the liquid absorbent 400 is a water or ethanol solution. The formaldehyde is easy to dissolve in water and ethanol, when the gas containing the formaldehyde passes through the liquid absorbent 400, most of the formaldehyde is absorbed, then the residual gas continuously moves upwards, and the solid absorbent 330 can absorb a small part of the residual formaldehyde, so that the formaldehyde filtering effect of the utility model is better; in addition, a layer of drying agent can be further laid between the activated carbon and the mesh cloth 340, the gas flowing out of the liquid absorbent 400 absorbs the water vapor by the drying agent and then absorbs the formaldehyde by the activated carbon, and a layer of cotton cloth or mesh cloth 340 can be further laid on the upper side of the activated carbon to prevent the activated carbon powder from floating out of the exhaust port 111; when the liquid absorbent 400 is water, the formaldehyde can be reused in the preparation of the precipitated copper liquid by the liquid absorbent 400.

While the preferred embodiments of the present invention have been described in detail, it should be understood that the utility model is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the utility model as defined in the appended claims.

Claims (10)

1. An exhaust gas filtering device, characterized by: the tank comprises a tank body and a connecting pipe, wherein a lower cavity and an upper cavity are arranged in the tank body, the upper cavity is arranged on the upper side of the lower cavity, an air inlet is formed in the cavity wall of the lower cavity, one end of the connecting pipe is communicated with the air inlet, and the other end of the connecting pipe is called as an installation end; the top of epicoele is equipped with the gas vent, the chamber wall of epicoele is equipped with first opening, be equipped with the detachable closing cap on the first opening, the epicoele with be equipped with between the cavity of resorption and separate the net.

2. The exhaust gas filtering device according to claim 1, wherein: the top of the upper cavity is open, the open position is the first opening, and the air vent is arranged on the sealing cover.

3. The exhaust gas filtering device according to claim 2, wherein: the upper chamber is internally provided with a connecting piece which is vertically arranged in a cylindrical shape, the separation net cover is arranged at the bottom of the connecting piece, and the connecting piece is detachably connected with the tank body.

4. The exhaust gas filtering device according to claim 3, wherein: the top of connecting piece is equipped with and is annular first protruding edge, first protruding edge cover in the outside of connecting piece, first protruding edge butt in the upside of first open-ended border.

5. The exhaust gas filtering device according to claim 4, wherein: a sealing ring is arranged between the first convex edge and the edge of the first opening, and the top of the sealing cover is abutted against the upper side of the first convex edge; the bottom of the sealing cover is sleeved on the outer side of the top of the tank body, and the sealing cover is connected with the tank body through threads.

6. The exhaust gas filtering device according to claim 1, wherein: the upper side of the separation net is covered with cotton cloth or net cloth.

7. The exhaust gas filtering device according to claim 1, wherein: the air inlet is connected with the air inlet through a first check valve, the connecting pipe is provided with a side port, the side port is provided with a side connecting pipe, the side connecting pipe is provided with a first check valve, the connecting pipe is provided with a second check valve, and the second check valve is arranged between the side port and the air inlet.

8. The exhaust gas filtering device according to claim 1, wherein: and a liquid discharge port is arranged at the bottom of the lower cavity, and a liquid discharge valve is arranged on the liquid discharge port.

9. The exhaust gas filtering device according to claim 1, wherein: the upper cavity is internally provided with a solid absorbent, and the lower cavity is internally provided with a liquid absorbent.

10. The exhaust gas filtering device according to claim 9, wherein: the solid absorbent is activated carbon, and the liquid absorbent is water or ethanol solution.

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