CN222658212U - Wet-type purifying tower device for oil fume treatment - Google Patents

Abstract

The utility model provides a wet-type purifying tower device for oil fume treatment, which relates to the technical field of oil fume treatment and comprises a tower body, a chimney and a venturi spray mixer, wherein a circulating water tank is arranged at the bottom of the tower body, a water pump is arranged at one side of the top of the circulating water tank, which is close to the tower body, the spray end of the venturi spray mixer extends to the lower end of the interior of the tower body, and a water discharge funnel is arranged at the bottom end of the interior of the tower body.

Description

Wet-type purifying tower device for oil fume treatment

Technical Field

The utility model relates to the technical field of oil fume treatment, in particular to a wet-type purifying tower device for oil fume treatment.

Background

In the industrial production process, a large amount of dust-containing smoke is generated, for example, smoke is generated in the processing processes of heat treatment, surface spraying, paint spraying and the like, or smoke is generated in the processes of rubber mixing, vulcanization and the like in the rubber industry, or smoke is generated in the plastic heat treatment processes of injection molding, blow molding and the like, so that some smoke treatment devices are needed to treat and purify the smoke, thereby reaching the national specified emission standard, reducing the influence on the environment and improving the air quality;

The existing oil fume purification generally adopts three efficient oil fume treatment modes such as low-temperature plasma, multistage silk screen, active carbon adsorption and the like, the low-temperature plasma has high one-time investment and is not suitable for treating high-concentration gas, the active carbon needs to be replaced regularly for multistage silk screen and active carbon adsorption, and the operation cost is high.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a wet purification tower device for oil fume treatment, which solves the problems of the prior art.

The wet purification tower device for oil fume treatment comprises a tower body and a chimney communicated with the lower part of the tower body, wherein an observation window is arranged on the chimney;

A venturi spray mixer is arranged between the chimney and the tower body, a circulating water tank for recovering and filtering liquid separated from the tower body is arranged at the bottom of the tower body, and a water pump is arranged at one side, close to the tower body, of the top of the circulating water tank;

The spraying end of venturi spray mixer extends to the inside lower extreme department of tower body, the inside bottom of tower body is provided with drainage funnel, drainage funnel's bottom extends to circulating water tank's inside upper end through drainage pipeline.

As a further technical scheme of the utility model, the middle section of the inside of the circulating water tank is provided with the screen plate, the outer side face of the circulating water tank is hermetically hinged with the access door, one end of the drainage pipeline, extending to the inside of the circulating water tank, of the drainage funnel is provided with the screen filter, and the screen filter is positioned above the screen plate.

As a further technical scheme of the utility model, an activated carbon adsorption plate is arranged at the upper end of the inside of the tower body, a fan is arranged above the activated carbon adsorption plate in the inside of the tower body, and the air outlet end of the fan is communicated with a flue gas outlet extending to the outside of the tower body.

As a further technical scheme of the utility model, the water inlet end of the water pump extends to the inside of the circulating water tank through a pipeline and is positioned at the lower end of the filter screen plate, the water outlet end of the water pump is communicated with one end of the Venturi spray mixer through a pipeline, and the air inlet end of the Venturi spray mixer is communicated with the chimney.

As a further technical scheme of the utility model, the wire mesh filter is in threaded connection or is connected with a drainage pipeline at the bottom end of the drainage funnel through bolts, the filter screen plate is detachable, and an access door is also arranged at the position, corresponding to the activated carbon adsorption plate, of the top of the tower body.

As a further technical scheme of the utility model, the upper end of the side surface of the circulating water tank is provided with an overflow pipe, the bottom of the circulating water tank is provided with a drain pipe, and the overflow pipe and the drain pipe are both provided with control valves.

The utility model provides a wet purification tower device for oil fume treatment, which has the following beneficial effects compared with the prior art:

The wet purification tower device for oil fume treatment can enable dust-containing gas to enter a venturi spray mixer through a flue and be mixed with water, then the dust-containing gas is accelerated to be in a jet shape through a venturi section and fully mixed and enter a tower body, water and gas in the tower body are separated, clean gas is discharged through a top fan and enters a chimney or a next treatment process, dust-containing water flows into a circulating water tank through a drainage funnel, and in the process of entering the circulating water tank, the dust-containing water flow recovery effect is improved through double filtration.

Drawings

Fig. 1 is a schematic structural view of a wet type purifying tower apparatus for fume treatment;

fig. 2 is a schematic view of the internal structure of a wet purification tower apparatus for soot treatment.

The device comprises a circulating water tank, a filter screen plate, a screen filter, a tower body, a 21, a drainage funnel, a 23, an activated carbon adsorption plate, a 24, a fan, a3, a water pump, a 4, a chimney, a 5, an observation window, a 6, a Venturi spray mixer, a 7, a flue gas outlet, a 8 and an access door.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-2, the utility model provides a wet purification tower device for oil fume treatment, which comprises a tower body 2, a chimney 4 communicated with the lower part of the tower body 2, an observation window 5 arranged on the chimney 4, a venturi spray mixer 6 arranged between the chimney 4 and the tower body 2, a water pump 3 arranged at one side of the top of a circulating water tank 1 near the tower body 2, a water inlet end of the water pump 3 extending to the inside of the circulating water tank 1 through a pipeline and positioned at the lower end of a filter screen plate 11, a water outlet end of the water pump 3 communicated with one end of the venturi spray mixer 6 through a pipeline, an air inlet end of the venturi spray mixer 6 communicated with the chimney 4, and a water pump 3 for pumping filtered water in the circulating water tank 1 into the venturi spray mixer 6 for spraying and mixing smoke dust, wherein the mixed water passes through a venturi section of the venturi spray mixer 6 for further accelerating mixing, then enters the tower body 2 for separation, the separated water falls into a water outlet funnel 21 from the circulating water tank 1 through a clean gas outlet 7, and is provided with a main fan 24 for supplying the electric control device for the electric control of the device.

The bottom of tower body 2 is provided with and is used for retrieving filterable circulation tank 1 to the liquid of tower body 2 separation, the inside middle section of circulation tank 1 is provided with screen plate 11, and circulation tank 1's lateral surface sealed hinge has access door 8, venturi spray mixer 6's injection end extends to tower body 2's inside lower extreme department, tower body 2's inside bottom is provided with drainage funnel 21, drainage funnel 21's bottom extends to circulation tank 1's inside upper end through the drainage pipe, screen filter 12 is installed to drainage funnel 21's inside drainage pipe one end, screen filter 12 is located screen plate 11 top, screen filter 12 is threaded connection or through bolted connection with drainage funnel 21 bottom, screen plate 11 is detachable, when the water after the separation falls into circulation tank 1 by drainage funnel 21, can carry out preliminary filtration through screen filter 12, then fall into filter plate 11 and carry out secondary filtration, the water after the filtration falls into circulation tank 1 inside, and circulation tank 1's side upper end is provided with, and circulation tank 1's bottom is provided with drain pipe, drain pipe and drain pipe are provided with drain pipe and drain pipe, drain pipe and drain pipe are also can be used for regularly draining the drain pipe 1 to the drain pipe through the drain pipe that can be in the drain pipe of circulation tank 1, the drain pipe is clean the inside the drain pipe is convenient to drain the drain pipe that can be simultaneously, the drain pipe is clean the inside the drain pipe is also to the drain 1.

The inside upper end of tower body 2 installs activated carbon adsorption plate 23, and the inside of tower body 2 is located the top of activated carbon adsorption plate 23 and is provided with fan 24, fan 24's air-out end intercommunication has the flue gas export 7 that extends to the tower body 2 outside, the top of tower body 2 corresponds activated carbon adsorption plate 23 department and is provided with access door 8 equally, the inside gas after separating of tower body 2 then rises through fan 24's effect, adsorb the dust dirt in the gas again through activated carbon adsorption plate 23 after, clean gas then is discharged the tower body 2 outside by flue gas export 7, can discharge clean gas into the chimney again or carry to the downstream treatment process.

When the utility model is used, the smoke in the chimney 4 enters the Venturi spray mixer 6, meanwhile, the water pump 3 pumps the water filtered in the circulating water tank 1 into the Venturi spray mixer 6 to spray and mix smoke dust, and the water mixed with the smoke dust passes through the Venturi section of the Venturi spray mixer 6 to be further accelerated and mixed and then enters the tower body 2 to be separated;

When the separated water falls into the circulating water tank 1 from the drainage funnel 21, the water is subjected to preliminary filtration in the screen filter 12 and then falls into the screen plate 11 for secondary filtration, and if the water contains greasy dirt, an overflow pipe can be opened to drain the greasy dirt floating on the water surface out of the circulating water tank 1;

The separated gas rises in the tower body 2 under the action of a fan 24, dust and dirt in the gas are adsorbed by an activated carbon adsorption plate 23, and clean gas is discharged out of the tower body 2 through a flue gas outlet 7;

During maintenance, the inside of the circulating water tank 1 can be cleaned through the access door 8 on the side surface of the circulating water tank 1, or the screen filter 12 and the screen plate 11 can be cleaned and replaced, and in addition, the activated carbon adsorption plate 23 can be replaced and cleaned by utilizing the access door on the tower body 2;

The design has stable operation, low cost and high smoke treatment effect, and is particularly applied to the fields of paint mist filtration such as heat treatment, surface spraying, paint spraying and the like, smoke filtration such as rubber mixing, vulcanization and the like in the rubber industry, smoke filtration in the plastic heat treatment process such as injection molding, blow molding and the like.

The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated in the present application are all implemented by conventional means in the art unless specifically indicated and limited.

Claims (6)

1. A wet purification tower device for oil fume treatment, comprising a tower body (2), characterized in that it also comprises a chimney (4) connected to the lower part of the tower body (2), and an observation window (5) is installed on the chimney (4); A Venturi spray mixer (6) is installed between the chimney (4) and the tower body (2); a circulating water tank (1) for recovering and filtering liquid separated by the tower body (2) is arranged at the bottom of the tower body (2); and a water pump (3) is arranged at the top of the circulating water tank (1) on one side close to the tower body (2); The injection end of the Venturi spray mixer (6) extends to the inner lower end of the tower body (2), and a drainage funnel (21) is provided at the inner bottom end of the tower body (2). The bottom end of the drainage funnel (21) extends to the inner upper end of the circulating water tank (1) through a drainage pipe. 2. A wet purification tower device for oil fume treatment according to claim 1, characterized in that a filter plate (11) is provided in the inner middle section of the circulating water tank (1), and an inspection door (8) is sealed and hinged on the outer side of the circulating water tank (1), and a wire mesh filter (12) is installed at one end of the drainage pipe extending from the drainage funnel (21) to the inside of the circulating water tank (1), and the wire mesh filter (12) is located above the filter plate (11). 3. A wet purification tower device for oil fume treatment according to claim 1, characterized in that an activated carbon adsorption plate (23) is installed at the upper end of the interior of the tower body (2), and a fan (24) is arranged inside the tower body (2) above the activated carbon adsorption plate (23), and the air outlet end of the fan (24) is connected to a smoke outlet (7) extending to the outside of the tower body (2). 4. A wet purification tower device for oil fume treatment according to claim 1, characterized in that the water inlet end of the water pump (3) extends through a pipe to the interior of the circulating water tank (1) and is located at the lower end of the filter plate (11), and the water outlet end of the water pump (3) is connected to one end of the Venturi spray mixer (6) through a pipe, and the air inlet end of the Venturi spray mixer (6) is connected to the chimney (4). 5. A wet purification tower device for oil fume treatment according to claim 2, characterized in that the wire mesh filter (12) is threadedly connected to the drainage pipe at the bottom of the drainage funnel (21) or connected by bolts, the filter plate (11) is detachable, and an inspection door (8) is also provided at the top of the tower body (2) corresponding to the activated carbon adsorption plate (23). 6. A wet purification tower device for oil fume treatment according to claim 1, characterized in that an overflow pipe is provided at the upper end of the side of the circulating water tank (1), and a sewage pipe is provided at the bottom of the circulating water tank (1), and control valves are provided on the overflow pipe and the sewage pipe.