CN217511489U - Spray set for dust-containing waste gas treatment - Google Patents

Abstract

The application relates to a spraying device for treating dust-containing waste gas, which comprises a spraying tower and a rotational flow layer, wherein the spraying tower is provided with a gas inlet and a gas outlet, the gas inlet is positioned below the gas outlet, and the spraying tower is also provided with a spraying layer and a connecting rod for mounting the rotational flow layer; the swirling flow layer is positioned below the spraying layer and comprises a slewing bearing and a plurality of swirling flow plates, and the slewing bearing is sleeved on the connecting rod; a plurality of whirl boards evenly set up around the axis of connecting rod to the one end of whirl board and slewing bearing's outer lane fixed connection, there is appointed contained angle in whirl board and horizontal plane moreover. This application has the effect that promotes the higher waste gas's of dusty particulate matter concentration treatment effeciency.

Description

Spray set for dust-containing waste gas treatment

Technical Field

The application relates to the technical field of waste gas treatment, in particular to a spraying device for dust-containing waste gas treatment.

Background

Along with the development of economy in China, the problem of air pollution is more and more prominent, wherein smoke pollution is a problem which cannot be ignored, smoke not only causes harm to human bodies, but also causes certain economic loss, and the current technologies for treating smoke pollution comprise mechanical dust removal, bag dust removal, electric dust removal and wet dust removal technologies, wherein the wet dust removal technology is suitable for high-temperature or humid waste gas, is high in operation flexibility and is more and more widely applied to industrial waste gas treatment.

In the related art, wet dust removal equipment with high use frequency in waste gas treatment is a cyclone plate spray tower, and specifically, the cyclone plate spray tower comprises a cyclone layer and a spray layer which are arranged in the spray tower, the spray layer comprises a plurality of uniformly distributed spray heads, and the spray layer is positioned above the cyclone layer; the cyclone layer comprises a connecting column, a plurality of cyclone plates and a mounting ring, the connecting column is fixedly connected in the spray tower and is vertically arranged; a plurality of whirl boards evenly set up around week side surface of spliced pole, wherein week side fixed surface of one end of whirl board and spliced pole is connected, the other end then with the inner circle fixed connection of collar, and there is appointed contained angle between whirl board and the horizontal plane, then when dusty waste gas passes through the whirl layer, waste gas returns to be the whirl in the tower and rises, so when contacting with the layer spun liquid that sprays, most dusty particulate matter just can be effectively got rid of, thereby reach the purpose of purifying waste gas

With respect to the above-mentioned related art, there is a defect that when the concentration of the dust-containing particulate matter in the exhaust gas is high, the treatment efficiency of the exhaust gas by the static vortex layer is low, resulting in the treatment efficiency of the next treatment unit being low.

SUMMERY OF THE UTILITY MODEL

In order to promote the treatment effeciency to the higher waste gas of dust-laden particulate matter concentration, this application provides a spray set for dust-laden waste gas treatment.

The application provides a spray set for dust-laden waste gas treatment adopts following technical scheme:

a spraying device for treating dust-containing waste gas comprises a spraying tower and a rotational flow layer, wherein the spraying tower is provided with a gas inlet and a gas outlet, the gas inlet is positioned below the gas outlet, and the spraying tower is also provided with a spraying layer and a connecting rod for mounting the rotational flow layer; the rotational flow layer is positioned below the spraying layer and comprises a rotary bearing and a plurality of rotational flow plates, and the rotary bearing is sleeved on the connecting rod; it is a plurality of the whirl board evenly sets up around the axis of connecting rod to the one end of whirl board and slewing bearing's outer lane fixed connection, there is appointed contained angle in whirl board and horizontal plane moreover.

Through adopting the above technical scheme, when waste gas flows into the spray tower from the air inlet, and upward movement under the effect of external power, wherein when waste gas passes through the whirl layer, a plurality of whirl plates can rotate around the axis of the connecting rod, in the process, part of particulate matters can collide with the whirl plates and the sprayed liquid drops on the spray layer, then move downward under the self gravity, and fall to the bottom of the tower along with the water mist, and the other part of particulate matters can be thrown to the wall of the tower along with the liquid drops under the effect of axial centrifugal force, and flow to the bottom of the tower along with the water flow, thereby conveniently realizing the separation between the particulate matters and the gas, compared with the static mode of the whirl layer, the design mode not only ensures that the particulate matters can collide with the liquid drops more fully, but also ensures that the particulate matters can be acted by the axial centrifugal force, thereby improving the treatment efficiency of the gas with higher concentration of the dust-containing particulate matters, and the processing efficiency of the next processing unit is not easily affected.

Preferably, the whirl layer is still including the board of giving vent to anger that is located whirl board top, the board cover of giving vent to anger is established on the connecting rod to it is provided with a plurality of ventholes that evenly set up around the connecting rod axis to give vent to anger to be close to on the part of spray column inner wall to go out the board.

Through adopting above-mentioned technical scheme, because of the setting of venthole on the board of giving vent to anger and the board of giving vent to anger, then when waste gas process whirl board, most waste gas can only follow the through of venthole, so the time that the waste gas that is close to slewing bearing department from whirl board passes through the whirl layer can lengthen, and the particulate matter can collide with whirl board and liquid drop more fully to can further promote the treatment effeciency to the higher waste gas of dusty particulate matter concentration.

Preferably, the whirl layer still includes the air inlet plate, the week side surface of air inlet plate and the inner wall fixed connection of spray column to the air inlet plate is located the below of whirl board, and the air inlet plate is provided with the inlet port in whirl board rotation center's position department moreover.

Through adopting above-mentioned technical scheme, because of the setting of air inlet on air inlet plate and the air inlet plate, then when waste gas through the whirl layer, need be earlier from the rotation center department of whirl board during getting into the inlet port, remove along the one end of keeping away from slewing bearing to the whirl board after that, then just flow near the outlet port department of column wall department from the whirl board, so waste gas is the flow of buckling through the route on whirl layer, thereby can collide more fully between particulate matter and whirl board and the liquid drop, and then can further promote the separation rate of particulate matter in the waste gas.

Preferably, an aerosol separation layer made of a plurality of fillers is arranged in the spray tower, and the aerosol separation layer is positioned below the spray layer.

Through adopting above-mentioned technical scheme, because of the setting of aerial fog separating layer, then after waste gas is handled through the whirl layer, particulate matter can with gas separation, and waste gas can pass through the aerial fog separating layer after that, and water smoke can be intercepted at this in-process to realized gas-liquid separation, helped promoting the purification rate of waste gas.

Preferably, the filler in the aerosol-separating layer is in the shape of a polyhedral hollow sphere.

Through adopting above-mentioned technical scheme, because of the shape that the filler is the multiaspect hollow sphere, make the specific surface area increase of filler to make the water smoke in the aerial fog separating layer can be better waste gas, and then make the purification rate of waste gas obtain better promotion.

Preferably, a plurality of drainage grooves are uniformly formed in the surface of one side, away from the cyclone plate, of the air outlet plate around the axis of the connecting rod, one ends of the drainage grooves extend to the axis of the connecting rod, and the other ends of the drainage grooves are communicated with the air outlet hole; the upper surface of the air outlet plate is also provided with a guide surface communicated with the notch of the drainage groove, and the guide surface can enable the liquid to flow towards the direction close to the drainage groove.

Through adopting above-mentioned technical scheme, after spraying the layer blowout water droplet, the water droplet can fall to each place of air inlet plate upper surface, so guide face and water drainage tank's setting for the water droplet is difficult for the upper surface gathering at the air inlet plate, so the water droplet can flow in the whirl board from the gas outlet department evenly and smoothly, thereby make the volume size of a plurality of liquid droplets that collide with the particulate matter can be more even, help promoting the separation rate of particulate matter.

Preferably, a water drainage surface is arranged on the surface of one side, close to the cyclone plate, of the air inlet plate, and the water drainage surface enables liquid to flow towards the direction close to the air inlet hole.

Through adopting above-mentioned technical scheme, because of the setting of drainage face, make the upper surface of inlet plate on be difficult for gathering there is water to be difficult for influencing the rotational flow board pivoted smoothness nature because of the water of gathering, so make the axial centrifugal force that the particulate matter received be difficult for being weakened, and then can keep the separation rate of particulate matter at the in-process of long-time use.

Preferably, the outer surface of the rotational flow plate is provided with friction scores

Through adopting above-mentioned technical scheme, because of the setting of friction nick, make the collision between particulate matter and the whirl board more violent, help promoting the separation between particulate matter and the gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setting of spray column and dynamic whirl layer, when waste gas passes through the whirl layer, a plurality of whirl boards can rotate around the axis of connecting rod, at this in-process, some particulate matters can collide with whirl board and the liquid drop that sprays the layer spun, then move down under self gravity, and drop to the tower bottom along with the water smoke, and another part particulate matter can be thrown to the tower wall together with the liquid drop under the effect of axial centrifugal force, and flow to the tower bottom along with the rivers, thereby conveniently realize the separation between particulate matter and the gas, compare in whirl layer and be static mode, this kind of design, even make particulate matter and liquid drop can collide more abundant, also make the particulate matter can receive the effect of axial centrifugal force, thereby can promote the treatment effeciency to the gas that contains the higher concentration of dust particulate matter, and then be difficult for influencing the treatment effeciency of next processing unit;

2. through the arrangement of the air outlet plate, the air outlet hole, the air inlet plate and the air inlet hole, when waste gas passes through the cyclone layer, the waste gas needs to enter the air inlet hole from the rotation center of the cyclone plate firstly, then moves along one end of the cyclone plate far away from the slewing bearing, and then flows out from the air outlet hole of the cyclone plate close to the tower wall, so that the path of the waste gas passing through the cyclone layer is bent and flows, and therefore, the particulate matters can be collided with the cyclone plate and liquid drops more sufficiently, and the separation rate of the particulate matters in the waste gas can be further improved;

3. through the setting of aerial fog separating layer, then after waste gas handles through the whirl layer, the particulate matter can with gas separation, and waste gas can pass through the aerial fog separating layer after that, and water smoke can be intercepted at this in-process to realized gas-liquid separation, helped promoting the purification rate of waste gas.

Drawings

FIG. 1 is a schematic structural view of a spraying device for treating dust-containing waste gas in the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a specific structure of a vortex layer in the embodiment of the present application.

Description of reference numerals: 1. a spray tower; 11. an air inlet; 12. an air outlet; 13. a spray layer; 14. a connecting rod; 2. a rotational flow layer; 21. a slew bearing; 22. a swirl plate; 221. rubbing and scoring; 23. an air outlet plate; 231. an air outlet; 232. a water discharge tank; 233. a guide surface; 24. an air intake plate; 241. an air inlet; 242. draining the water; 25. installing an inner ring; 26. installing an outer ring; 3. and (4) separating the aerosol layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses spray set for dust-containing waste gas treatment. Referring to fig. 1, the spraying device for treating dust-containing waste gas includes a spraying tower 1 and a rotational flow layer 2, specifically, a gas inlet 11 and a gas outlet 12 are respectively opened on the tower wall of the spraying tower 1, wherein the gas inlet 11 is located at the lower end of the spraying tower 1, and the gas outlet 12 is located at the top end of the spraying tower 1, in this embodiment, the spraying tower 1 further has a spraying layer 13 and a water pump, a water tank and a water pipe for supplying water to the spraying layer 13, wherein the spraying layer 13 includes a plurality of uniformly arranged spraying heads, when waste gas enters the spraying tower 1 from the gas inlet 11, the waste gas can contact with liquid drops sprayed by the spraying heads in a countercurrent upward manner, so that water-soluble impurities in the waste gas can be removed.

Referring to fig. 1 and 2, connecting rod 14 that supplies whirl layer 2 to install has in the spray column 1, and connecting rod 14 is vertical setting, it is concrete, whirl layer 2 includes slew bearing 21, whirl plate 22, installation inner ring 25 and installation outer ring 26, slew bearing 21 fixed cover is established on connecting rod 14, wherein whirl plate 22 is located between installation inner ring 25 and the installation outer ring 26, and the one end of whirl plate 22 and the outer lane fixed surface of installation inner ring 25 are connected, the other end and the inner circle fixed surface of installation outer ring 26 are connected, and there is appointed contained angle between whirl plate 22 and the horizontal plane, in this embodiment, the fixed cover of installation inner ring 25 is established on slew bearing 21's outer ring, then just make a plurality of whirl plates 22 can rotate around the axis of connecting rod 14.

Referring to fig. 1 and 2, in this embodiment, when the exhaust gas enters from the gas inlet 11, the exhaust gas moves upward under the action of the external power, when the exhaust gas passes through the swirling flow layer 2, the swirling flow plate 22 rotates around the axis of the connecting rod 14 under the driving of the slewing bearing 21, in this process, a part of the particulate matters collides with the swirling flow plate 22 and the liquid drops sprayed by the spraying layer 13, then moves downward along with the self-gravity and falls to the bottom of the tower along with the water mist, and another part of the particulate matters is thrown to the wall of the tower together with the liquid drops under the action of the axial centrifugal force and flows to the bottom of the tower along with the water flow, so as to realize the separation between the particulate matters and the gas, compared with the static mode of the swirling flow layer 2, in this design mode, the particulate matters can collide with the liquid drops more fully, and can also be acted by the axial centrifugal force, so that the processing efficiency of the exhaust gas with higher concentration of the dust-containing particulate matters is improved, and the processing efficiency of the next processing unit is not easily affected.

Referring to fig. 1 and fig. 2, the swirling flow layer 2 further includes an air outlet plate 23 located above the swirling flow plate 22 and an air inlet plate 24 located below the swirling flow plate 22, specifically, the air outlet plate 23 is fixedly sleeved on the connecting rod 14, a gap for liquid droplets to flow through is formed between the circumferential side surface of the air outlet plate 23 and the inner wall of the spray tower 1, and a plurality of air outlet holes 231 uniformly arranged around the axis of the connecting rod 14 are formed in the portion, close to the inner wall of the spray tower 1, of the air outlet plate 23; the circumference side surface of air inlet plate 24 and the inner wall fixed connection of spray column 1, and also there is the gap that supplies the liquid droplet to flow through between the circumference side surface of air inlet plate 24 and the inner wall of spray column 1, and seted up on the air inlet plate 24 with the coaxial inlet port 241 of connecting rod 14, then when waste gas passes through whirl layer 2, need follow the rotation center department of whirl plate 22 earlier and get into in the inlet port 241, then through whirl plate 22 in the rotation and to the tower wall direction correspondence of spray column 1, then just flow from the venthole 231 that is close to tower wall department, thereby the collision time between particulate matter and whirl plate 22 and the liquid droplet can be more for a long time, and then can make the particulate matter separate out from waste gas better.

Referring to fig. 1 and 2, in the present embodiment, the upper surface of the gas outlet plate 23 is provided with drainage grooves 232 uniformly distributed around the axis of the connecting rod 14, specifically, one end of each drainage groove 232 extends to the center of the gas outlet plate 23, and the other end of each drainage groove 232 is communicated with the gas outlet hole 231, and a guide surface 233 communicated with the notch of the drainage groove 232 is further formed on the upper surface of the gas outlet plate 23, wherein the side of the guide surface 233 close to the drainage groove 232 is lower than the side far from the drainage groove 232, so that liquid droplets falling onto the upper surface of the gas outlet plate 23 can move toward the drainage groove 232, and therefore the liquid droplets falling onto the gas outlet plate 23 are not easily accumulated on the upper surface of the gas outlet plate 23, and therefore the liquid droplets can smoothly and uniformly flow into the gas outlet hole 231, so that the volume sizes of a plurality of liquid droplets colliding with particulate matter can be more uniform, which helps to improve the separation rate of the particulate matter.

Referring to fig. 1 and 2, a drainage surface 242 is integrally formed on the surface of one side of the air intake plate 24 close to the cyclone plate 22, and the side of the drainage surface 242 close to the air intake hole 241 is lower than the side far from the air intake hole 241, so that water falling onto the air intake plate 24 is not easily accumulated on the upper surface of the air intake plate 24, and thus the water on the upper surface of the air intake plate 24 is not easily interfered with the rotation of the cyclone plate 22, so that the axial centrifugal force applied to the particulate matters is not easily weakened, and further the separation rate of the particulate matters is not easily reduced greatly in the long-term use process; in order to make the collision of the particles in the exhaust gas with the whirl plate 22 more severe, friction scores 221 are also integrally formed on the outer surface of the whirl plate 22.

Referring to fig. 1 and fig. 2, in this embodiment, whirl layer 2 and spray layer 13 are provided with two-layerly, and supply between two adjacent whirl layers 2 to spray layer 13 and set up, then the mode of multistage purification of accessible, make the particulate matter in the waste gas can be separated more thoroughly, and because of waste gas sprays layer 13 back, can be mingled with some water smoke in the waste gas, the event still is provided with the aerial fog separating layer 3 that is located spray layer 13 top on the spray tower 1, wherein aerial fog separating layer 3 comprises a plurality of fillers that are the hollow spherical form of multiaspect, then when waste gas passes through aerial fog separating layer 3, water smoke in the waste gas can be intercepted, thereby gas-liquid separation has been realized, and then make waste gas obtain further purification, help promoting the purification rate of waste gas.

The implementation principle of the spraying device for treating the dust-containing waste gas in the embodiment of the application is as follows: when waste gas flows into spray column 1 from air inlet 11, waste gas can flow upwards under the effect of external power, waste gas can follow air inlet 241 and locate to get into whirl board 22, a plurality of whirl boards 22 can take place the rotation around the axis of connecting rod 14 this moment, at this in-process, wherein some particulate matters can collide with whirl board 22 and liquid drop, then just along with self gravity downstream, and fall to the bottom of the tower along with the water smoke, another part particulate matter can be thrown to the tower wall together with the liquid drop under the effect of axial centrifugal force, and flow to the bottom of the tower along with the rivers, thereby accomplish the separation of particulate matters and gas.

After finishing the separation, waste gas can flow out from the gas outlet 231, wherein when waste gas sprays layer 13 through all, waste gas can flow to aerial fog separating layer 3, and water smoke in the waste gas can be intercepted by aerial fog separating layer 3 this moment to realize gas-liquid separation, the last pollution-free waste gas can be followed gas outlet 12 and arranged to outdoor environment in.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a spray set for dust-laden waste gas treatment which characterized in that: the spray tower comprises a spray tower (1) and a rotational flow layer (2), wherein the spray tower (1) is provided with a gas inlet (11) and a gas outlet (12), the gas inlet (11) is positioned below the gas outlet (12), and the spray tower (1) is also provided with a spray layer (13) and a connecting rod (14) for mounting the rotational flow layer (2); the cyclone layer (2) is positioned below the spraying layer (13), the cyclone layer (2) comprises a rotary bearing (21) and a plurality of cyclone plates (22), and the rotary bearing (21) is sleeved on the connecting rod (14); a plurality of whirl board (22) evenly set up around the axis of connecting rod (14) to the outer lane fixed connection of one end and slewing bearing (21) of whirl board (22), whirl board (22) and horizontal plane have appointed contained angle moreover.

2. The shower device for treating dust-containing exhaust gas according to claim 1, wherein: the cyclone layer (2) further comprises an air outlet plate (23) located above the cyclone plate (22), the air outlet plate (23) is sleeved on the connecting rod (14), and a plurality of air outlet holes (231) uniformly arranged around the axis of the connecting rod (14) are formed in the part, close to the inner wall of the spray tower (1), of the air outlet plate (23).

3. The shower device for treating dust-containing exhaust gas according to claim 2, wherein: swirl layer (2) still include air inlet plate (24), the week side surface of air inlet plate (24) and the inner wall fixed connection of spray column (1) to air inlet plate (24) are located the below of whirl board (22), and air inlet plate (24) are provided with air inlet (241) in whirl board (22) center of rotation's position department moreover.

4. The shower device for treating dust-containing exhaust gas according to claim 1, wherein: the spray tower (1) is internally provided with an air mist separation layer (3) made of a plurality of fillers, and the air mist separation layer (3) is positioned below the spray layer (13).

5. The shower device for treating a dust-containing exhaust gas according to claim 4, wherein: the filler in the aerosol separation layer (3) is in a polyhedral hollow spherical shape.

6. The shower device for treating a dust-containing exhaust gas according to claim 2, wherein: a plurality of drainage grooves (232) are uniformly formed in the surface of one side, away from the cyclone plate (22), of the air outlet plate (23) around the axis of the connecting rod (14), one end of each drainage groove (232) extends to the axis of the connecting rod (14), and the other end of each drainage groove is communicated with the air outlet hole (231); the upper surface of the air outlet plate (23) is also provided with a guide surface (233) communicated with the notch of the drainage groove (232), and the guide surface (233) can make the liquid flow towards the drainage groove (232).

7. The shower device for treating dust-containing exhaust gas according to claim 3, wherein: the side surface of the air inlet plate (24) close to the cyclone plate (22) is provided with a water discharge surface (242), and the water discharge surface (242) can enable liquid to flow towards the direction close to the air inlet hole (241).

8. The shower device for treating dust-containing exhaust gas according to claim 1, wherein: the outer surface of the rotational flow plate (22) is provided with a friction notch (221).

Images