CN216654119U - Mixing and flow stabilizing device for mixing small gas amount into large gas amount - Google Patents

Abstract

The utility model discloses a mixing and flow stabilizing device for mixing small gas volume into large gas volume, which comprises a shell, wherein the shell is arranged on a flue, a flue gas inlet pipe is integrally and fixedly connected onto the shell, an elliptical plate is arranged in the shell, a plurality of through holes are formed in the elliptical plate, the diameter of each through hole in the elliptical plate is consistent with the diameter of a spray inlet pipeline, a plurality of spray inlets are formed in the shell, a flow stabilizing device is fixedly connected onto the inner side wall of the shell, and a gas output pipe is integrally and fixedly connected onto the shell. Realize in this device energy, the even transmission of components etc. that little gas flue carried and spread in the big gas flue with the even mixture of big gas flue, this device simple structure does not set up extra device alone simultaneously, can directly integrate in current flue system to this device resistance is low, and whole resistance is less than 300Pa, simple structure, easily construction and installation have better application and spreading value.

Description

Mixing and flow stabilizing device for mixing small gas amount into large gas amount

Technical Field

The utility model relates to the technical field of blending flow stabilizers, in particular to a blending flow stabilizer with small gas volume blended into large gas volume.

Background

The treatment of pollutants in flue gas, because specific reaction temperature condition, often need heat the flue gas and rise the temperature, the most direct mode is that the burning fuel produces the high temperature flue gas of 900 ~ 1500 ℃, mix in the low temperature flue gas of treating, or directly set up the combustor at the flue wall, heat low temperature flue gas through flame, specific technology, need carry the spraying into the flue through the gas with powdery absorbent granule, gaseous component (ammonia, ozone etc.) and react, hot cold flue gas mixes and goes wrong, probably causes local flue, catalyst to appear burning loss. The after-burning hot blast stove can not be normally put into operation, and the burner in the flue can not stably burn. The flue gas temperature deviation at the inlet of the tower is large, the process requirements cannot be met, the absorbent particles are sprayed into the flue gas and cannot be uniformly dispersed into the flue gas, the accumulation of powdery particles in a flue is caused, the utilization efficiency of powder is reduced, the transmission and diffusion of gaseous components (such as ammonia and ozone) cannot be uniformly dispersed into the flue gas and can be effectively utilized, the problems of component consumption increase and escape are solved, and the gas flow for conveying the powdery absorbent particles and the gaseous components (such as ammonia and ozone) is much smaller than the flue gas flow when the high-temperature gas is used for heating. Therefore, how to uniformly transmit and diffuse the energy, components and the like in the small air flow into the flue gas which is hundreds times larger than the small air flow, and the energy, the components and the like are uniformly mixed with the flue gas needs to be provided with a special device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a blending flow stabilizing device for blending small gas quantity into large gas quantity.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a blending and flow stabilizing device for blending small gas quantity into large gas quantity comprises a shell, wherein the shell is arranged on a flue;

the shell is fixedly connected with a flue gas inlet pipe in an integrated manner, an elliptical plate is arranged in the shell, and a plurality of spraying ports are formed in the shell;

the inner side wall of the shell is fixedly connected with a flow stabilizer, and the shell is integrally and fixedly connected with a gas output pipe.

Preferably, a plurality of through holes are formed in the elliptical plate, and the diameter of each through hole in the elliptical plate is consistent with the diameter of the corresponding spraying-inlet pipeline.

Preferably, the number of the elliptic plates in the air flue can be 1 or more, the number is determined according to the amount of flue gas, and the sum of the number and the area of the elliptic plates is larger than 2/3 of the cross-sectional area of the flue gas inlet pipe.

Preferably, a wind folding angle with one side inclined is arranged above the elliptical plate, the wind folding angle is greater than 120 degrees, and the wind folding angle is positioned in the shell.

Preferably, the time of the large smoke staying in the shell after passing through the wind folding angle is more than or equal to 1.5 seconds.

Preferably, the large smoke volume enters from the smoke inlet pipe and passes through the elliptical plate, so that a vortex which flows back from the periphery of the through hole of the elliptical plate to the central hole is formed, and the small smoke volume is sprayed out of the spraying port and is evenly transmitted and diffused to the large smoke volume through the entrainment of the vortex, so that the energy and the components carried by the small smoke volume are evenly transmitted and diffused to the large smoke volume and are evenly mixed with the large smoke volume.

Compared with the prior art, the utility model has the beneficial effects that:

the device realizes uniform transmission and diffusion of energy, components and the like carried by small-gas-volume flue gas to the large-gas-volume flue gas, and is uniformly mixed with the large-gas-volume flue gas, and meanwhile, the device has a simple structure, is not provided with an additional device, can be directly integrated in the existing flue system, has low resistance, is less than 300Pa in whole resistance, is simple in structure, is easy to construct and install, and has good application and popularization values.

Drawings

FIG. 1 is a schematic structural diagram of a blending flow stabilizer for blending a small gas amount into a large gas amount according to the present invention;

FIG. 2 is a schematic view showing a connection structure of an elliptical plate and a spray inlet;

fig. 3 is a schematic side view of a small gas amount mixed with a large gas amount according to the present invention.

In the figure: the device comprises a shell 1, a flue gas inlet pipe 2, an elliptical plate 3, a spray inlet 4, a flow stabilizer 5 and a gas outlet pipe 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a mixing current stabilizer that little gas volume mixes in big gas volume, including casing 1, casing 1 installs on the flue, wherein notice especially, casing 1 installs on suitable flue pipeline to make things convenient for the holistic use of device, elliptical plate 3 top is provided with the wind angle that rolls over of unilateral slope, and this wind angle is greater than 120 degrees, and wind angle is located casing 1, wherein notice especially, the wind angle can carry out certain buffering to the flue gas, thereby avoided the impact dynamics of flue gas too big, further protected the device, indirect life who has prolonged the device.

The shell 1 is fixedly connected with a flue gas inlet pipe 2 in an integrated manner, wherein the flue gas can enter from the flue gas inlet pipe 2, and further can pass through an elliptical plate 3, the housing 1 is internally provided with the elliptical plate 3, the elliptical plate 3 is provided with a plurality of through holes, the diameter of the through holes on the elliptical plate 3 is consistent with the diameter of a pipeline of a spraying port 4, the elliptical plate 3 can be provided with 1 or more than 1, the number of the elliptical plates 3 is determined according to the flue gas volume, the sum of the number and the area of the elliptical plates 3 is larger than 2/3 of the cross section area of the flue gas inlet pipe 2, wherein the number of the elliptical plates 3 can be adjusted according to the actual situation, meanwhile, the elliptical plates 3 and the spraying ports 4 can be assisted to uniformly mix the flue gas with small volume and the flue gas with large volume, further can uniformly mix substances in the flue gas with large volume, the shell 1 is provided with a plurality of spraying ports 4, after the large smoke volume passes through the wind folding angle, the stay time in the shell 1 is more than or equal to 1.5 seconds, wherein particularly, the smoke volume can be more stable after being kept for a certain time.

Fixedly connected with current stabilizer 5 on the inside wall of casing 1, wherein it is particularly noted, current stabilizer 5 comprises the baffle that has the through-hole, current stabilizer 5 can make gas more stable simultaneously, casing 1 is last to integrate fixedly connected with gas output pipe 6, big gas capacity gets into from flue gas admission pipe 2, behind elliptical plate 3, thereby form the vortex from the 3 through-holes four circumference center hole refluxes of elliptical plate, spout little tolerance's of flue gas in the mouth of spouting, the volume through the vortex is inhaled, make the energy that little gas capacity flue gas carried, material uniform transmission such as component with spread to in the big gas capacity flue gas, with the even mixture of big gas capacity flue gas.

When the staff need use this device, at first the staff can be export the flue gas from flue gas admission pipe 2, simultaneously the staff again from spout corresponding little gas volume smog in mouth 4, and the smog of big gas volume comes out from elliptical plate 3 upper through-hole, will produce certain vortex, simultaneously under the entrainment of vortex flue gas, can make the even mixture of little gas volume flue gas and big gas volume flue gas, can make the mixing effect of device better simultaneously, the flue gas is through the influence of wind angle and current stabilizer 5, further can make the time that the flue gas stops in casing 1 longer, thereby enable the flue gas more steady, further the impact of flue gas has been avoided, thereby the device has been protected, indirect extension fixture's life.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A blending flow stabilizer for blending small gas quantity into large gas quantity comprises a shell (1), and is characterized in that the shell (1) is installed on a flue;

the smoke inlet pipe (2) is fixedly connected to the shell (1) in an integrated mode, the oval plate (3) is arranged in the shell (1), and the shell (1) is provided with a plurality of spraying openings (4);

the gas-liquid separator is characterized in that a flow stabilizer (5) is fixedly connected to the inner side wall of the shell (1), and a gas output pipe (6) is fixedly connected to the shell (1) in an integrated mode.

2. The blending flow stabilizer for blending small gas quantity into large gas quantity according to claim 1, characterized in that a plurality of through holes are arranged on the elliptical plate (3), and the diameter of the through holes on the elliptical plate (3) is consistent with the diameter of the pipeline of the injection port (4).

3. The blending and flow stabilizing device for blending small gas quantity into large gas quantity according to claim 1 is characterized in that 1 or more than 1 elliptical plates (3) can be arranged in the air duct, the number is determined according to the smoke quantity, and the sum of the number and the area of the elliptical plates (3) is larger than 2/3 of the cross-sectional area of the smoke inlet pipe (2).

4. A blending flow stabilizer for blending small gas quantity into large gas quantity according to claim 1, characterized in that a single-side inclined wind break angle is arranged above the elliptical plate (3) and is more than 120 degrees, and the wind break angle is positioned in the shell (1).

5. The blending flow stabilizer for blending small amount of gas into large amount of gas according to claim 1, characterized in that the residence time of large amount of smoke in the shell (1) after passing through the wind break angle is greater than or equal to 1.5 seconds.

6. The blending and flow stabilizing device for blending small amount of gas into large amount of gas as claimed in claim 1, characterized in that the large amount of gas enters from the gas inlet pipe (2), after passing through the elliptical plate (3), a vortex is formed to flow back from the central holes around the circumference of the through hole of the elliptical plate (3), the small amount of gas is ejected from the ejection port, and the energy and components carried by the small amount of gas are uniformly transmitted and diffused to the large amount of gas through entrainment of the vortex, so as to be uniformly mixed with the large amount of gas.

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