CN218392844U - Flue gas dust removal and mixing arrangement - Google Patents

Abstract

The utility model discloses a flue gas removes dust and mixing arrangement, flue gas removes dust and mixing arrangement includes: the shell comprises a shell body, a plurality of air inlet pipes, an exhaust pipe and a water inlet pipe, wherein the shell body is provided with a plurality of air inlet holes, exhaust holes, water inlet holes and water drain holes, the positions of the water drain holes are provided with adjusting pieces for controlling the opening and closing of the water drain holes, the air inlet pipes penetrate through the air inlet holes and are connected with the shell body, the exhaust pipe is connected with the shell body and is communicated with the inner cavity of the shell body through the exhaust holes, and the water inlet pipe penetrates through the water inlet holes and is connected with the shell body. Water is injected into the shell body through the water inlet pipe, so that part of the air inlet pipe is arranged below the liquid level. The flue gas passes through the intake pipe and gets into aquatic, and the dust is sunken to the bottom at the action of gravity, and gaseous come-up mixes to mixing the intracavity, finally discharges through the blast pipe to the completion is to the water conservancy of flue gas dust removal and mix, thereby realizes the preliminary treatment to multichannel dusty air current, avoids the dust to influence the measurement of flue gas analysis appearance to the flue gas composition, and then improves measurement test's accuracy nature and security.

Description

Flue gas dust removal and mixing arrangement

Technical Field

The utility model relates to a boiler flue gas measures technical field, especially relates to a flue gas removes dust and mixing arrangement.

Background

The coal-fired thermal power plant has three main machines, namely a boiler, a steam turbine and a generator. In the whole production process, the influence factors of the operation state of the power station boiler are the most, the operation working condition is the worst, the main and auxiliary equipment are the most, the system is the most huge, the fault rate is high, the maintenance amount is the largest, in the daily maintenance amount, the maintenance amount of the boiler exceeds the comprehensive maintenance amount of other turbines and generators, particularly the stability of a combustion system is the key for determining the safe, economic and environment-friendly operation of the boiler. The safety and stability of a boiler combustion system are guaranteed, and the accurate measurement of the components of smoke generated by combustion in the boiler is vital.

Because the power station boiler has large capacity, the generated smoke amount is large, the sectional area of a flue is large, and the uniformity of smoke component distribution on the same section is poor. In the related technology, a grid method is used for measurement on the same section of a measured flue, a sampling tube with a given depth is inserted into each sampling point, and meanwhile, flue gas of a plurality of sampling tubes is extracted and is sent to a flue gas analyzer for component analysis after being mixed. However, the flue gas is a gas-solid two-phase flow containing high-concentration dust, and a large amount of dust can affect the accuracy of measuring flue gas components by an instrument and even cause the damage of the instrument.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the utility model provides a simple structure is reliable, multiple functional flue gas dust removal and mixing arrangement.

The utility model discloses flue gas removes dust and mixing arrangement includes: the exhaust pipe comprises a shell body, a plurality of air inlet pipes, an exhaust pipe and an inlet pipe, wherein a plurality of air inlet holes and exhaust holes are formed in the upper end face of the shell body, water inlet holes are formed in the peripheral wall of the shell body, drain holes are formed in the lower end face of the shell body, adjusting pieces are arranged at the positions of the drain holes to control the drain holes to be opened and closed, the plurality of air inlet pipes correspond to the plurality of air inlet holes one by one, the air inlet pipes penetrate through the air inlet holes and are connected with the shell body, the exhaust pipe is communicated with the inner cavity of the shell body through the exhaust holes, and the inlet pipe penetrates through the water inlet holes and is connected with the shell body.

The utility model discloses flue gas dust removal and mixing arrangement through the water injection in the inlet tube to the casing, makes partial intake pipe arrange below the liquid level in. The flue gas passes through the intake pipe and gets into this internal aquatic of casing, and the large granule dust sinks to the bottom at the action of gravity, and gaseous come-up mixes to mixing the intracavity, finally discharges through the blast pipe to the completion is to the water conservancy of flue gas dust removal and mix, thereby realizes the preliminary treatment to multichannel dusty air current, avoids the dust to influence the measurement of flue gas analyzer to the flue gas composition, and then improves measurement test's accuracy nature and security.

In some embodiments, the case body includes a top cover, an upper case portion, and a lower case portion connected in sequence, the air inlet hole and the air outlet hole are located on the top cover, the water inlet hole is located on a circumferential wall of the upper case portion, a cross-sectional area of the lower case portion is gradually reduced in a direction from top to bottom, and the water discharge hole is located at a lower end of the lower case portion.

In some embodiments, a plurality of said intake apertures are spaced around said exhaust aperture.

In some embodiments, the upper housing portion is cylindrical, and a central axis of the vent hole is coaxial with a central axis of the upper housing portion.

In some embodiments, the air inlet conduit within the housing body has a length m and the upper housing portion has a height n, m: n =2:3.

In some embodiments, a lower end face of the air intake duct is inclined in a direction from bottom to top in a radial direction of the upper housing portion toward a direction approaching a peripheral wall of the upper housing portion.

In some embodiments, an end of the water inlet pipe that is exterior to the upper housing portion is positioned above an end of the water inlet pipe that is interior to the upper housing portion.

In some embodiments, the regulating member is a valve.

In some embodiments, valves are disposed on the inlet pipe, the exhaust pipe, and the inlet pipe.

In some embodiments, the liquid level gauge is arranged on the peripheral wall of the upper shell part.

Drawings

Fig. 1 is a schematic view of a flue gas dust removal and mixing device according to an embodiment of the present invention.

FIG. 2 is a schematic view of the shell body of the flue gas dust removal and mixing device of the embodiment of the present invention

FIG. 3 is a schematic view of a top cover of a flue gas dust removal and mixing device of an embodiment of the present invention

Reference numerals:

a case body 1, a top cover 11, an air inlet hole 111, an air outlet hole 112, an upper case portion 12, a lower case portion 13, a water outlet hole 131, an adjusting member 132,

The device comprises an air inlet pipe 2, an air inlet valve 211, an exhaust pipe 3, an exhaust valve 311, an inlet pipe 4, a water inlet valve 411 and a liquid level scale 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The flue gas dust removal and mixing device of the embodiment of the present invention is described with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, the flue gas dust removal and mixing device of the embodiment of the present invention includes: shell body 1, many intake pipes 2, blast pipe 3 and inlet tube 4. The upper end surface of the shell body 1 is provided with a plurality of air inlet holes 111 and air outlet holes 112, the peripheral wall of the shell body 1 is provided with a water inlet hole, the lower end surface of the shell body 1 is provided with a water outlet hole 131, and the water outlet hole 131 is provided with an adjusting piece 132 for controlling the opening and closing of the water outlet hole 131. The plurality of air inlet pipes 2 correspond to the plurality of air inlet holes 111 one by one, and the air inlet pipes 2 penetrate through the air inlet holes 111 and are connected with the shell body 1. The exhaust pipe 3 is connected to the case body 1, and the exhaust pipe 3 is communicated with the inner chamber of the case body 1 through the exhaust hole 112, and the water inlet pipe 4 penetrates the water inlet hole and is connected to the case body 1.

It can be understood, utilize the net method to measure the measuration flue, evenly lay a plurality of sampling points on the arbitrary cross-section of flue, insert the sampling tube of a given degree of depth on every sampling point, every sampling tube with the utility model discloses flue gas dust removal links to each other with mixing arrangement's arbitrary intake pipe 2 to extract the flue gas of many sampling tubes simultaneously, and carry it extremely the utility model discloses remove dust and mix in flue gas dust removal and mixing arrangement's the shell body 1, and then get rid of the large granule dust in the flue gas. Get rid of the flue gas of large granule dust the utility model discloses flue gas removes dust and mixing arrangement's shell body 1 internal mixing back, process the utility model discloses flue gas removes dust and mixing arrangement's blast pipe 3 discharges, in order to realize the utility model discloses flue gas removes dust and mixing arrangement to the dust removal of multichannel dusty air current and the preprocessing function of mixing.

Alternatively, as shown in fig. 1 and 3, the case body 1 is disposed in a vertical direction. The upper end face of the shell body 1 is provided with a plurality of air inlet holes 111, and the air inlet holes 111 correspond to the air inlet pipes 2 one by one. The air intake holes 111 extend in the vertical direction, the upper ends of the air intake holes 111 communicate with the outside, and the lower ends of the air intake holes 111 communicate with the internal chamber of the case body 1. The air inlet pipe 2 is arranged along the vertical direction, the air inlet pipe 2 penetrates through the air inlet hole 111, the peripheral wall of the air inlet pipe 2 is connected with the hole wall of the air inlet hole 111, and the lower end of the air inlet pipe 2 is located in the inner cavity of the shell body 1, so that the lower end opening of the air inlet pipe 2 is communicated with the inner cavity of the shell body 1.

Specifically, the glue solution is filled in the gap between the outer peripheral wall of the air inlet pipe 2 and the hole wall of the air inlet hole 111, so that the connection effect is achieved, and the sealing effect on the connection part between the outer peripheral wall of the air inlet pipe and the hole wall of the air inlet hole 111 is achieved. Or, the sealing ring is sleeved on the peripheral wall of the air inlet pipe 2, so that after the air inlet pipe 2 penetrates through the air inlet hole 111, the sealing ring abuts against the hole wall of the air inlet hole 111, a sealing effect is achieved, and then the peripheral wall of the air inlet pipe 2 is connected with the hole wall of the air inlet hole 111 in a welding mode.

Optionally, as shown in fig. 1 and fig. 3, a vent hole 112 is further provided on the upper end surface of the shell body 1, the vent hole 112 extends along the vertical direction, the upper end of the vent hole 112 is communicated with the outside, and the lower end of the vent hole 112 is communicated with the internal cavity of the shell body 1. The lower end of the exhaust pipe 3 is located in the exhaust hole 112, the outer peripheral wall of the exhaust pipe 3 is connected with the hole wall of the exhaust hole 112, and the lower end of the exhaust pipe 3 is flush with the lower end of the exhaust hole 112, so that the lower end of the exhaust pipe 3 is communicated with the inner cavity of the case body 1, and the exhaust pipe 3 is not inserted into the case body 1.

Specifically, the glue solution is filled in the gap between the outer peripheral wall of the exhaust pipe 3 and the hole wall of the exhaust hole 112, so that the connection function is achieved, and the sealing function of the connection part between the outer peripheral wall and the hole wall is achieved. Or, the sealing ring is sleeved on the outer peripheral wall of the exhaust pipe 3, so that after the exhaust pipe 3 is inserted into the exhaust hole 112, the sealing ring abuts against the hole wall of the exhaust hole 112 to play a role in sealing, and then the outer peripheral wall of the exhaust pipe 3 is connected with the hole wall of the exhaust hole 112 in a welding mode.

Optionally, as shown in fig. 1, a water inlet is disposed on the circumferential wall of the shell body 1, and an included angle is formed between the central axis of the water inlet and the central axis of the shell body 1, and the included angle between the central axis of the water inlet and the central axis of the shell body is greater than O degrees and less than or equal to 90 degrees. The inlet tube 4 is arranged according to the extending direction of the inlet opening, and the direction of the inlet tube and the inlet opening is consistent. The inlet port is run through by inlet tube 4, and the periphery wall of inlet tube 4 links to each other with the pore wall of inlet port, and the right-hand member of inlet tube 4 is arranged in the inside cavity of shell body 1 to the right-hand member opening that makes inlet tube 4 is linked together with the inside cavity of shell body 1.

Specifically, through filling the glue solution in the gap between the periphery wall of inlet tube 4 and the pore wall of inlet opening, not only play the effect of connection, still play the sealed effect to junction between the two. Or, establish the sealing ring on the periphery wall of inlet tube 4 to make inlet tube 4 run through the inlet opening after, the sealing ring offsets with the pore wall of inlet opening, thereby play sealed effect, then be connected the periphery wall of inlet tube 4 and the pore wall of inlet opening through the welded mode.

It can be understood that the left end of inlet tube 4 can connect the external water source, through inlet tube 4 to the inside cavity water injection of shell body 1, and the inside cavity of shell body 1 need not to fill with water, remains the cavity that the part is used for going on mixing of flue gas after wasing, for convenient the description, is called the hybrid chamber with the cavity above the liquid level. The lower extreme of intake pipe 2 is arranged in below the liquid level, and multichannel flue gas gets into shell body 1 through each intake pipe 2 respectively in, after the water washing, the large granule dust sinks to the bottom at the action of gravity, and gaseous come-up to mixing the intracavity relies on the inside turbulent flow of shell body 1 to mix the back, finally discharges through blast pipe 3 to accomplish the water conservancy of flue gas and remove dust and mixing process.

Alternatively, as shown in fig. 1 and 2, a water discharge hole 131 is provided on a lower end surface of the case body 1, the water discharge hole 131 extends in a vertical direction, an upper end of the water discharge hole 131 communicates with the inner chamber of the case body 1, and a lower end of the water discharge hole 131 communicates with the outside. An adjusting member 132 is provided at the water discharge hole 131, and the adjusting member 132 controls opening and closing of the water discharge hole 131.

It is understood that when the inner chamber of the housing body 1 deposits more dust particles, the liquid level is raised, resulting in a decrease in the volume of the mixing chamber and a lack of mixing space. Moreover, if the sediment submerges the lower end of the air inlet pipe 2, the hydraulic dedusting effect is affected. Consequently, wash port 131 is opened to the accessible to discharge muddy water and precipitate in the shell body 1, and change clean water, thereby guarantee the utility model discloses flue gas removes dust and mixing arrangement's normal steady operation.

In addition, the shell is made of hard transparent materials, so that an operator can conveniently observe the liquid level in the shell body 1 and visually display the running state of the flue gas dust removal and mixing device provided by the embodiment of the invention, and the whole dust removal and mixing process is clear at a glance.

Therefore, the utility model discloses flue gas dust removal and mixing arrangement through inlet tube 4 to the water injection in the shell body 1, makes the part of intake pipe 2 arrange below the liquid level. Flue gas passes through intake pipe 2 and gets into the aquatic in the shell body 1, and the large granule dust sinks to the bottom at the action of gravity, and gaseous come-up mixes to mixing the intracavity, finally discharges through blast pipe 3 to the completion is to the water conservancy of flue gas dust removal and mix, thereby realizes the preliminary treatment to multichannel dusty air current, avoids the dust to influence the measurement of flue gas analysis appearance to flue gas composition, and then improves measurement test's accuracy nature and security.

In some embodiments, as shown in fig. 1 to 3, the case body 1 includes a top cover 11, an upper case portion 12, and a lower case portion 13, which are sequentially connected. The intake hole 111 and the exhaust hole 112 are located on the top cover 11, the intake hole is located on the peripheral wall of the upper case portion 12, the cross-sectional area of the lower case portion 13 is gradually reduced in the top-to-bottom direction, and the drain hole 131 is located at the lower end of the lower case portion 13.

Alternatively, as shown in fig. 1 to 3, the top cover 11 has a circular shape, the upper shell portion 12 has a cylindrical shape, and the lower shell portion 13 has a substantially inverted conical shape. The top cover 11 is connected to an upper end of the upper case portion 12 to close an opening of the upper end of the upper case portion 12. The lower end of the upper case portion 12 is connected to the upper end of the lower case portion 13 such that the internal chamber of the upper case portion 12 communicates with the internal chamber of the lower case portion 13. The extended hole at the lower end of the lower housing 13 is the drainage hole 131.

Specifically, as shown in fig. 1 to 3, the center axis of the head 11, the center axis of the upper shell portion 12, and the center axis of the lower shell portion 13 are all coaxially disposed, and the outer diameter of the head 11 is the same as the outer diameter of the upper shell portion 12, and the outer diameter of the upper shell portion 12 is the same as the outer diameter of the upper end of the lower shell portion 13. The central axis of the drainage hole 131 is coaxial with the central axis of the lower case portion 13, that is, the drainage hole 131 is located at the center of the lower case portion 13.

It will be appreciated that the cross-sectional area of the lower housing part 13 is gradually reduced in the direction from top to bottom, so that the solid particles in the flue gas slide down to the drain holes 131 through the inclined wall surface of the lower housing part 13, whereby the sludge is more conveniently discharged through the drain holes 131 when the water is changed.

In some embodiments, as shown in fig. 1 to 3, a central axis of the discharge hole 112 is coaxial with a central axis of the upper case portion 12, and a plurality of intake holes 111 are spaced around the discharge hole 112.

Alternatively, as shown in fig. 1 to 3, the discharge hole 112 is located at the center of the case body 1, and the distance between the intake hole 111 and the outer peripheral wall of the upper case portion 12 is smaller than the distance between the intake hole 111 and the central axis of the upper case portion 12, that is, the intake hole 111 is closer to the outer peripheral wall of the case body 1.

It can be understood that the flue gas enters the shell body 1 through the uniformly distributed inlet pipes 2, and the uniform distribution of the air flow entering the shell body 1 is structurally realized. And, the exhaust hole 112 is located at the center of the shell body 1, so that the multiple paths of flue gas uniformly entering the shell body 1 enter the mixing cavity after dust removal, and are collected to the center, so that the flue gas after dust removal is fully mixed in the mixing cavity.

In some embodiments, the air inlet conduit 2 located within the housing body 1 has a length m and the upper housing portion 12 has a height n, m: n =2:3. In other words, a distance between the lower end of the intake duct 2 and the top cover 11 in the up-down direction is m, a distance between the upper end of the upper case portion 12 and the lower end of the upper case portion 12 in the up-down direction is n, and m is equal to two-thirds of n.

In some embodiments, as shown in fig. 1, the lower end face of the intake pipe 2 is inclined in a direction from bottom to top in a radial direction of the upper case portion 12 toward a direction approaching the peripheral wall of the upper case portion 12. That is, the opening at the lower end of the air inlet pipe 2 is arranged towards the outside in the inside and outside direction of the upper shell part 12, so that after the flue gas enters the water through the air inlet pipe 2, each path of flue gas enters the mixing cavity along the circumferential direction of the upper shell part 12, and further, each path of flue gas after dust removal is fully mixed.

Alternatively, as shown in fig. 1, the lower end surface of the intake pipe 2 is disposed obliquely, the upper end of the lower end surface of the intake pipe 2 and the lower end of the lower end surface of the intake pipe 2 are spaced apart in the radial direction of the upper housing portion 12, and the upper end of the lower end surface of the intake pipe 2 is away from the central axis of the upper housing portion 12 with respect to the lower end of the lower end surface of the intake pipe 2.

In some embodiments, as shown in FIG. 1, the end of the inlet conduit 4 that is exterior to the upper housing portion 12 is positioned above the end of the inlet conduit 4 that is interior to the upper housing portion 12.

Alternatively, an end of the water inlet hole located on the outer circumferential wall of the upper case portion 12 is located above an end of the water inlet hole located on the inner circumferential wall of the upper case portion 12, that is, the water inlet hole is disposed obliquely. As shown in fig. 1, the left end of the inlet pipe 4 is located above the right end of the inlet pipe 4.

In some embodiments, as shown in fig. 1, the adjusting member 132 is a valve, and the inlet pipe 2, the outlet pipe 3 and the inlet pipe 4 are provided with valves. For convenience of description, the valve on the intake pipe 2 is referred to as an intake valve 211, the valve on the exhaust pipe 3 is referred to as an exhaust valve 311, and the valve on the intake pipe 4 is referred to as an intake valve 411.

It can be understood that, when using the flue gas dust removal and mixing device provided by the utility model: at first, ensure the utility model discloses all valves of flue gas dust removal and mixing arrangement all are in the off-state. Then, the water inlet valve 411 is opened, water is injected into the shell body 1 through the water inlet pipe 4, when the water injection height exceeds the lower end of the air inlet pipe 2 and reaches one half of the height of the upper shell part 12, the water injection is stopped, and the water inlet valve 411 is closed. The inlet valve 211 and the outlet valve 311 are opened again to perform the hydraulic dust removal and mixing on the multi-path flue gas extracted from the flue.

Regularly change the water in the shell body 1, its process is: the air inlet valve 211 and the air outlet valve 311 are closed, and the valve (the adjusting member 132) of the water discharge hole 131 and the water inlet valve 411 are opened, so that the water containing dust in the housing body 1 is discharged from the water discharge hole 131, and clean water enters from the water inlet pipe 4 to gradually replace the used polluted water. After the water quality is changed, the valve of the drain hole 131 and the water inlet valve 411 are closed, the air inlet valve 211 and the air outlet valve 311 are opened, and the air flow of the air inlet pipe 2 and the air outlet pipe 3 is restored.

In some embodiments, as shown in fig. 1, a liquid level gauge 5 is further included, and the liquid level gauge 5 is provided on the outer peripheral wall of the upper housing portion 12. It will be appreciated that the provision of the level gauge 5 facilitates a more accurate view of the height of the liquid level within the housing body 1 by an operator.

Alternatively, as shown in fig. 1, the liquid level scale 5 is disposed in a vertical direction, an upper end of the liquid level scale 5 is flush with an upper end of the upper housing part 12, and a lower end of the liquid level scale 5 is flush with a lower end of the upper housing part 12.

To sum up, the utility model discloses flue gas removes dust and mixing arrangement can realize carrying out water conservancy dust removal and intensive mixing to the particulate matter in the multichannel dusty air current. During specific operation, the hydraulic dust removal of the flue gas can be realized only by adding common water into the shell body 1, and the hydraulic dust removal device has the characteristics of good dust removal effect and low cost. Moreover, the flue gas enters the shell body 1 along the circumferential direction, so that the uniform distribution of the entering air flow can be realized structurally, and a prerequisite is provided for other premixing. Simultaneously the lower extreme of intake pipe 2 sets up to the inclined section, and the inclined section is outwards, can make each way gas along circumference entering mixing chamber, further realizes intensive mixing.

In addition, shell body 1 is the transparent material of stereoplasm, can visual display the utility model discloses flue gas dust removal and mixing arrangement's running state, whole dust removal and mixing process surveyability. Through setting up level gauge 5, can accurately carry out level control, prevent that the too high mixing space that arouses of liquid level is not enough, also can prevent that the liquid level from crossing low leading to dust collection efficiency to reduce. In addition, the water in the housing body 1 can be replaced online or offline by the cooperation of the water inlet pipe 4 and the water discharge hole 131.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims (10)

1. The utility model provides a flue gas dust removal and mixing arrangement which characterized in that includes:

the water inlet and outlet device comprises a shell body, wherein a plurality of air inlet holes and air outlet holes are formed in the upper end surface of the shell body, water inlet holes are formed in the peripheral wall of the shell body, a water outlet hole is formed in the lower end surface of the shell body, and an adjusting piece is arranged at the water outlet hole to control the water outlet hole to be opened and closed;

the air inlet pipes are in one-to-one correspondence with the air inlet holes and penetrate through the air inlet holes and are connected with the shell body;

the exhaust pipe is connected with the shell body and communicated with the inner cavity of the shell body through the exhaust hole;

and the water inlet pipe penetrates through the water inlet hole and is connected with the shell body.

2. The flue gas dedusting and mixing apparatus of claim 1, wherein the housing body comprises a top cover, an upper housing portion and a lower housing portion connected in sequence, the air inlet and the air outlet are located on the top cover, the water inlet is located on a peripheral wall of the upper housing portion, a cross-sectional area of the lower housing portion is gradually reduced in a top-to-bottom direction, and the water outlet is located at a lower end of the lower housing portion.

3. The flue gas dedusting and mixing apparatus of claim 2 wherein a plurality of said inlet apertures are spaced around said exhaust aperture.

4. The flue gas dedusting and mixing apparatus of claim 3 wherein the upper housing portion is cylindrical and the central axis of the exhaust aperture is coaxial with the central axis of the upper housing portion.

5. The flue gas dedusting and mixing apparatus of claim 2, wherein the length of the air inlet pipe located in the shell body is m, and the height of the upper shell portion is n, m: n =2:3.

6. The flue gas dedusting and mixing apparatus of claim 5, wherein a lower end face of the inlet duct is inclined in a direction from bottom to top in a radial direction of the upper housing portion toward a direction approaching a peripheral wall of the upper housing portion.

7. The flue gas dedusting and mixing apparatus of claim 2 wherein the end of the inlet pipe that is outside the upper housing portion is above the end of the inlet pipe that is inside the upper housing portion.

8. The flue gas dedusting and mixing apparatus of claim 1, wherein the regulating member is a valve.

9. The flue gas dedusting and mixing apparatus of claim 1, wherein valves are disposed on the inlet pipe, the exhaust pipe and the inlet pipe.

10. The flue gas dedusting and mixing apparatus of claim 2 further comprising a liquid level scale disposed on the peripheral wall of the upper housing portion.

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