CN217939724U

CN217939724U - Sewage and waste gas treatment device

Info

Publication number: CN217939724U
Application number: CN202220444098.XU
Authority: CN
Inventors: 何斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-12-02
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a sewage and exhaust treatment device, it includes: a motor, and a centrifugal fan driven by the motor, the centrifugal fan comprising: the air inlet is arranged on the shell along the axial direction, and the inner wall of the air inlet is provided with an atomizing nozzle; the air outlet of the centrifugal fan is radially distributed on the circumferential surface of the shell, and a corresponding gas-liquid centrifugal separator is arranged at the air outlet; when entering from the air inlet, the environmental gas is mixed with sewage or adsorption liquid sprayed by the atomizing nozzle to form fog drops, the fog drops and air flow are mixed and stirred with the rotation of the air impeller and then enter the gas-liquid centrifugal separator, a part of the fog drops are converted into steam and the air flow is discharged through the air outlet, and concentrated liquid is attached to the wall of the separation cylinder due to the centrifugal action and slides to the lower part of the separator under the action of gravity. The utility model discloses need not to build huge spray column or heat evaporator, whole device can be miniaturized, the simplification, greatly reduced investment cost and fortune dimension cost.

Description

Sewage and waste gas treatment device

Technical Field

The utility model relates to a sewage, exhaust-gas purification handles and cooler equipment technical field, especially a sewage and exhaust-gas treatment device that simple structure, low in manufacturing cost.

Background

At present, the conventional industrial sewage, kitchen and garbage leachate treatment adopts a heating evaporation method (for example, negative pressure multi-stage flash evaporation is adopted), and because a large amount of heat is needed when water is changed from a liquid state to a gas state, wherein the vaporization heat of each kilogram of water is about 539 kilocalories, the energy consumption is very high. And the membrane method for filtering also has the problems that a reverse osmosis membrane is easy to block and damage, the power consumption for increasing the water pressure is high and the like. In addition, the sewage treatment equipment has the conditions of complex structure, high investment cost, high energy consumption and the like.

In addition, for the exhaust gas treatment facility at present, the adsorption liquid is usually adopted for spray adsorption, and because the contact area between the exhaust gas and the adsorption liquid is increased, a huge acid-base-resistant stainless steel multistage spray tower needs to be constructed, and the investment cost and the operation and maintenance cost are high.

Aiming at the defects of the prior art, the inventor provides the following technical scheme through continuous improvement and test.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the existing products are not enough to be overcome, and provides a sewage and waste gas treatment device with simple structure and low manufacturing cost.

In order to solve the technical problem, the utility model discloses a following technical scheme: a sewage and exhaust treatment device, comprising: a motor, and a centrifugal fan driven by the motor, the centrifugal fan comprising: the air inlet is arranged on the shell along the axial direction, and the inner wall of the air inlet is provided with an atomizing nozzle; the air outlets of the centrifugal fans are radially distributed on the circumferential surface of the shell, and the air outlets are provided with corresponding gas-liquid centrifugal separators; when entering from the air inlet, the environmental gas is mixed with sewage or adsorption liquid sprayed by the atomizing nozzle to form fog drops, and the fog drops enter the gas-liquid centrifugal separator after being rotated and stirred by the centrifugal fan.

Further, in the above technical solution, the gas-liquid centrifugal separator includes a cylindrical separation drum, and an exhaust duct inserted into the separation drum is disposed in the separation drum.

Furthermore, in the above technical solution, the insertion depth of the exhaust pipe is greater than or slightly lower than the height of the air outlet.

Further, in the above technical solution, an axis of the separation cylinder is parallel to an axis of the centrifugal fan.

Further, in the above technical solution, a drain valve is disposed at the bottom of the separation cylinder.

Further, in the above technical solution, the cross section of the separation cylinder is circular.

Further, in the above technical solution, the air outlet is communicated with the gas-liquid centrifugal separator along a tangential direction of the periphery of the housing.

Furthermore, in the above technical solution, the air inlet is formed by an air inlet cylinder disposed on the housing, and the atomizing nozzle is mounted on an inner wall of the air inlet cylinder.

Further, in the above technical scheme, the diameter of the air inlet cylinder is smaller than the maximum diameter of the impeller.

The utility model discloses a theory of operation does: the motor drives the centrifugal fan impeller to rotate, ambient air is sucked in through the air inlet and is mixed with fog drops of sewage or waste gas adsorption liquid sprayed from the atomizing nozzle, the fog drops and the air are stirred through high-speed rotation of the impeller, partial water in the sewage fog drops is evaporated into water vapor to be mixed in air flow, the air flow enters a plurality of gas-liquid centrifugal separators distributed on the periphery of the centrifugal fan in a tangential direction to realize gas-liquid separation, partial fog drops are converted into steam and are discharged with the air flow through the exhaust pipes, and concentrated liquid is attached to the wall of the separating cylinder due to the centrifugal action and slides to the lower part of the separating cylinder under the action of gravity.

Additionally, the utility model provides a centrifugal separator of gas-liquid adopts the cross section to be circular shape cylinder, and when the discharge gas stream got into centrifugal separator of gas-liquid from centrifugal fan, the air current will form vortex aerial fog in the cylinder like this, and remaining concentrated sewage droplet will get into the outer lane because the quality is great in the air current to on attaching to the inner wall of cylinder, and then the lower part that falls the cylinder under the action of gravity collects. Meanwhile, gaseous substances and air formed by the evaporation of the fog drops in the airflow are minimally distributed in the central area of the separation cylinder under the influence of centrifugal force, and clean high-humidity air is discharged to the outside through the exhaust port. Therefore, most of water in the sewage is evaporated through the centrifugal fan and the gas-liquid centrifugal separator, and the liquid concentrated sewage is separately collected or recycled for evaporation, so that the energy consumption in the sewage treatment process can be greatly reduced.

The utility model discloses can be used for industrial and agricultural waste gas treatment and as cooler or water air conditioner etc. for example deacidification desulfurization and deodorization are handled etc. more be suitable for the adsorption liquid of waste gas to pending sewage change can, for example the industrial waste gas deacidification selects suitable alkali lye, and the effect intensive mixing that contains acid waste gas and centrifugal fan with the industry after the spraying, the acid composition in the adsorption waste gas, and the neutralization is collected in gas-liquid centrifugal separator's collection liquid. To sulfur dioxide-containing waste gas, lime water is adopted and used simultaneously the utility model discloses the theory of appearance generates the gypsum as the building materials at last. When the device is used as a cooler or a water air conditioner, sewage or adsorption liquid is replaced by automatic compensation tap water or soft water, and a separation cylinder is used for collecting liquid for recycling, and circulating liquid and exhaust air can be used as cooling media for industrial, agricultural and civil use. The utility model discloses need not to build huge spray column and thermal evaporator etc. whole device can be miniaturized, the simplification, greatly reduced investment cost and fortune dimension cost.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

See fig. 1 and fig. 2, the utility model relates to a sewage and waste gas treatment device, which comprises: motor 1, centrifugal fan 2, atomizing nozzle 3 and gas-liquid centrifugal separator 4.

Centrifugal fan 2 pass through motor drive, it includes: the casing 20 and the impeller 200 installed in the casing 20 have an air inlet 21 along the axial direction with the casing 20. The air inlet 21 is formed by an air inlet barrel 210 arranged on the housing 20, and the diameter of the air inlet barrel 210 is smaller than the maximum diameter of the air impeller 20 of the centrifugal fan 2.

The air outlets 22 of the centrifugal fan 2 are radially distributed on the circumferential surface of the casing 20 of the release fan 2.

The atomizing nozzle 3 is installed on the inner wall of the air inlet cylinder 210. The atomizing nozzle 3 is in pumping communication with an external source of sewage (or sorbent liquid).

The centrifugal separator 4 is disposed at the air outlet 22.

When entering from the air inlet 21, the environmental gas is mixed with the sewage or the absorption liquid sprayed from the atomizing nozzle 3 to form fog drops, and the fog drops enter the gas-liquid centrifugal separator 4 along with the rotation of the air impeller 20 of the centrifugal fan 2.

The gas-liquid centrifugal separator 4 comprises a cylindrical separating cylinder 41, and the axis of the separating cylinder 41 is parallel to the axis of the centrifugal fan 2. An exhaust pipe 42 inserted into the separating cylinder 41 is arranged in the separating cylinder 41, and the insertion depth of the exhaust pipe 42 is greater than or slightly lower than the maximum height of the air outlet 22, so that gaseous substances in the airflow are not directly exhausted from the exhaust pipe.

The bottom space of the separation cylinder 41 is used as a liquid collecting cavity, and a drain valve 43 is arranged at the bottom of the separation cylinder 41 and used for draining collected liquid.

In order to realize the vortex operation of the air flow, the cross section of the separation cylinder 41 is circular, and the air outlet 22 is communicated with the gas-liquid centrifugal separator 4 along the periphery of the wind impeller 20 along the tangential direction. When the airflow discharged from the centrifugal fan 2 enters the gas-liquid centrifugal separator 4, the airflow forms vortex gas mist in the separation cylinder 41, and the concentrated sewage mist droplets remaining in the airflow enter the outer ring due to the large mass, adhere to the cylinder wall of the separation cylinder 41, slide down to the lower part of the separation cylinder 41 under the action of gravity, and are collected by the separation cylinder 41. Meanwhile, the gaseous substances and air formed by the evaporation of the mist droplets in the air flow are minimally distributed in the central area of the separation cylinder 41 under the influence of centrifugal force, and clean and high-humidity air is discharged to the outside through the exhaust duct 42.

Additionally, the utility model discloses in can also being used to cooler or water air conditioner, wherein the cylinder 41 of gas-liquid centrifugal separator 4 with as water source and atomizing nozzle 3 intercommunication, liquid adopts running water or demineralized water to be in the utility model discloses well recycle uses, through the atomizing of water with higher speed and the heat in the vaporization absorption air, through the cooling air current of exhaust pipe 42 exhaust and the recirculated cooling water of cylinder lower part can be used to general civilian or industrial cold source.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. An apparatus for treating sewage and exhaust gas, comprising: motor (1), and through motor drive's centrifugal fan (2), this centrifugal fan (2) includes: casing (20) and install fan wheel (200) in casing (20), air intake (21), its characterized in that have been seted up along axial direction in casing (20):

an atomizing nozzle (3) is arranged on the inner wall of the air inlet (21);

the air outlets (22) of the centrifugal fans (2) are radially distributed on the circumferential surface of the shell (20), and the air outlets (22) are provided with corresponding gas-liquid centrifugal separators (4);

the gas-liquid centrifugal separator (4) comprises a cylindrical separating cylinder (41), and an exhaust pipe (42) inserted into the separating cylinder (41) is arranged in the separating cylinder (41).

2. The sewage and waste gas treatment apparatus according to claim 1, wherein: the insertion depth of the exhaust pipe (42) is greater than the maximum height of the air outlet (22).

3. The sewage and waste gas treatment apparatus according to claim 1, wherein: the axis of the separation cylinder (41) is parallel to the axis of the centrifugal fan (2).

4. The sewage and waste gas treatment apparatus according to claim 3, wherein: the bottom of the separating cylinder (41) is provided with a drain valve (43).

5. The sewage and waste gas treatment apparatus according to claim 1, wherein: the cross section of the separating cylinder is circular.

6. The sewage and exhaust gas treatment apparatus according to any one of claims 1 to 5, wherein: the air outlet (22) is communicated with the gas-liquid centrifugal separator (4) along the tangential direction of the periphery of the shell (20).

7. The sewage and exhaust gas treatment apparatus according to any one of claims 1 to 5, wherein: the air inlet (21) is composed of an air inlet cylinder (210) arranged on the shell (20), and the atomizing nozzle (3) is arranged on the inner wall of the air inlet cylinder (210).

8. The sewage and waste gas treatment apparatus according to claim 7, wherein: the diameter of the air inlet cylinder (210) is smaller than the maximum diameter of an air impeller (200) of the centrifugal fan (2).

9. The sewage and exhaust gas treatment apparatus according to any one of claims 1 to 5, wherein: the treatment device is used in a cooler or a water air conditioner, wherein a separation cylinder (41) of a gas-liquid centrifugal separator (4) is communicated with an atomizing nozzle (3) as a water source, and gas flow discharged from an exhaust pipe (42) and circulating collection liquid of the separation cylinder can be used for refrigeration.