CN220166213U - Steam dust removal recovery device - Google Patents

Abstract

The utility model discloses a steam dust removal recovery device which comprises a steel slag closed tank, a separator and a drainage steam lock which are communicated. The dust-containing steam discharged from the outlet of the steel slag disintegrating tank enters the separator from the dust-containing steam inlet and is separated into a dust-liquid mixture and pure steam. Pure steam is discharged from the steam outlet of the separator for use. The dust-liquid mixture flows from the dust-liquid outlet of the separator to the recovery pipe body of the drainage steam lock and the steel slag closed tank in sequence, and is utilized with the steel slag. The internal blocking piece that links of recovery pipe in the drainage lock vapour ware, the blocking piece has and link up and the cross section size reduces along the direction of movement of dirt liquid mixture gradually and retrieve the passageway, can avoid hot steam to get into in drainage lock vapour ware and the separator from the recovery entry of slag closed jar, guarantees the purity degree of the hot steam that obtains in the separator in order to guarantee that hot steam can directly put into use. The whole preparation cost is not too high, and meanwhile, the whole dust-containing hot steam is recycled, so that the waste and pollution are effectively avoided.

Description

Steam dust removal recovery device

Technical Field

The utility model belongs to the technical field of metallurgical solid waste treatment devices, and particularly relates to a steam dust removal recovery device.

Background

The steel slag hot-disintegrating treatment is a common steel slag treatment method, dust-containing hot steam is generated in a steel slag disintegrating tank in the steel slag hot-disintegrating treatment process, and the dust-containing hot steam directly and empty is discharged, so that waste and pollution are caused.

In the prior art, part of enterprises can spray low-temperature liquid through a spray head to cool and remove dust on dust-containing hot steam, and then empty and discharge the treated steam. The treatment mode has a certain environmental protection effect, but the treatment cost is higher, and the discharged hot steam and the discharged liquid and particles in the hot steam still cause pollution and waste.

Disclosure of Invention

The utility model aims to solve the problems that the heat steam treatment cost is high and the heat steam still causes certain pollution and waste to a certain extent at least. Therefore, the utility model provides a steam dust removal recovery device.

The embodiment of the utility model provides a steam dust removal recovery device, which comprises:

steel slag pot filling;

the separator is provided with a separation cavity, a dust-containing steam inlet, a steam outlet for discharging steam and a dust liquid outlet for discharging a dust liquid mixture, wherein the dust-containing steam inlet is communicated with the outlet of the steel slag disintegrating tank;

the drainage steam lock comprises a recovery pipe body and a blocking piece connected in the recovery pipe body, wherein two ends of the recovery pipe body are respectively communicated with a dust liquid outlet and a recovery inlet of the steel slag closed tank, the blocking piece is provided with a through recovery channel, and the cross section size of the recovery channel is gradually reduced along the moving direction of the dust liquid mixture.

Optionally, the blocking piece is provided with a plurality of blocking pieces, and a plurality of blocking pieces are distributed along the axial direction of the recovery pipe body in sequence.

Optionally, outlets of the recovery channels of two adjacent blocking pieces are staggered; the blocking pieces are provided with at least three, and the recovery channel outlets of two blocking pieces positioned at the outermost side are coaxially arranged in the adjacent three blocking pieces.

Optionally, the blocking piece is conical, the big end of the blocking piece is close to the dust liquid outlet of the separator, and the periphery of the blocking piece and the inner wall of the recovery pipe body form an annular disturbing cavity.

Alternatively, the small end of one of the two adjacent blocking members extends into the recovery channel of the other blocking member.

Optionally, an end of the blocking member, which is close to the dust liquid outlet, is in contact with an inner wall of the recovery pipe body.

Optionally, the steam dust removal recovery device further comprises a dust-containing steam conveying pipe which is communicated with the dust-containing steam inlet and the inlet of the steel slag disintegrating tank, and the axis of the dust-containing steam conveying pipe is not intersected with the central axis of the separation cavity.

Optionally, the inner diameter of the dust-containing steam delivery pipe gradually decreases along the direction from the steel slag disintegrating tank to the separator.

Optionally, the separator includes body and the spherical head of connection, dust-laden steam inlet is located the lower part of spherical head, the separator including connect in the rectifying plate of separation intracavity wall, the rectifying plate with dust-laden steam inlet's top parallel and level.

Optionally, the separator comprises a steam discharge pipe communicated with the separation cavity, one end of the steam discharge pipe is positioned in the separation cavity, and the other end of the steam discharge pipe extends out of the separation cavity to form a steam outlet; the inner diameter of the steam discharge pipe located in the separation chamber gradually increases in the moving direction of the dust-liquid mixture.

The embodiment of the utility model has at least the following beneficial effects:

the steam dedusting recovery device comprises a steel slag closed tank, a separator and a drainage steam lock which are connected, wherein the steel slag closed tank can generate dust-containing steam in the process of hot slag closed and discharge the dust-containing steam from an outlet of the steel slag closed tank. The dust-containing steam inlet of the separator is communicated with the outlet of the steel slag closed tank, dust-containing steam discharged from the steel slag closed tank enters the separator from the dust-containing steam inlet, and the separator separates the dust-containing steam to obtain a dust-liquid mixture and purer steam of the mixture of separated particles and liquid drops. The purer steam flows out from the steam outlet of the separator and is put into use again, so that the waste and pollution of energy are avoided. The dust-liquid mixture flows into the recovery pipe body of the drainage steam lock device from the dust-liquid outlet of the separator, and can enter the steel slag closed tank from the recovery inlet of the steel slag closed tank communicated with the other end of the recovery pipe body from the recovery pipe body, and the steel slag closed tank and the steel slag are reused as a road repairing material, so that pollution and waste are avoided. In the drainage steam lock, a blocking piece is connected in the recovery pipe body, the blocking piece is provided with a recovery channel which is communicated and the cross section size of the recovery channel is gradually reduced along the moving direction of the dust-liquid mixture, the dust-liquid mixture can not be influenced to flow downwards to the steel slag closed tank, and meanwhile, if a small amount of hot steam enters the drainage steam lock from the recovery inlet of the steel slag closed tank, the caliber of one end of the recovery channel, which is close to the recovery inlet of the steel slag closed tank, is smaller, dust-containing steam in the steel slag closed tank can be prevented from entering the separator through the recovery inlet and the drainage steam lock, and the purity of the hot steam obtained in the separator is guaranteed to ensure that the hot steam can be directly put into use. The whole preparation cost is not too high, and meanwhile, the whole dust-containing hot steam is recycled, so that the waste and pollution are effectively avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic structural diagram of a steam dust removal recovery device in an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing the structure of a drain steam lock according to another embodiment of the present utility model;

FIG. 3 shows a cross-sectional view of the drain latch of FIG. 2 taken along A-A.

Reference numerals: 1. steel slag pot filling; 11. an outlet of the steel slag closed tank; 12. a recovery inlet; 2. a separator; 21. a separation chamber; 22. a dust-laden steam inlet; 23. a steam outlet; 24. a dust liquid outlet; 25. a body; 251. a first portion; 252. a second portion; 26. spherical end socket; 27. a rectifying plate; 3. a drain steam lock; 31. recovering the pipe body; 32. a blocking member; 321. a recovery channel; 4. a dust-containing vapor delivery tube; 5. a steam discharge pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The utility model is described below with reference to specific embodiments in conjunction with the accompanying drawings:

fig. 1 shows a schematic structural diagram of a steam dust removal recovery device according to an embodiment of the present utility model, and referring to fig. 1, the steam dust removal recovery device provided by the embodiment of the present utility model includes:

and a steel slag closed tank 1.

The separator 2 is provided with a separation cavity 21, a dust-containing steam inlet 22, a steam outlet 23 for discharging steam and a dust liquid outlet 24 for discharging a dust liquid mixture, wherein the dust-containing steam inlet 22 is communicated with the outlet 11 of the steel slag disintegrating tank.

The drainage steam lock 3 comprises a recovery pipe body 31 and a blocking piece 32 connected in the recovery pipe body 31, wherein two ends of the recovery pipe body 31 are respectively communicated with the dust liquid outlet 24 and the recovery inlet 12 of the steel slag pot 1, the blocking piece 32 is provided with a through recovery channel 321, and the cross section size of the recovery channel 321 is gradually reduced along the moving direction of the dust liquid mixture.

The steam dedusting recovery device comprises a steel slag closed tank 1, a separator 2 and a drainage steam lock 3 which are connected, wherein the steel slag closed tank 1 can generate dust-containing steam in the process of hot slag closed and discharge the dust-containing steam from an outlet 11 of the steel slag closed tank. The dust-containing steam inlet 22 of the separator 2 is communicated with the outlet 11 of the steel slag disintegrating tank, dust-containing steam discharged from the steel slag disintegrating tank 1 enters the separator 2 from the dust-containing steam inlet 22, and the separator 2 carries out separation treatment on the dust-containing steam to obtain a dust-liquid mixture and purer steam which are mixed by separated particles and liquid drops. The purer steam flows out from the steam outlet 23 of the separator 2 and is put into use again, avoiding waste and pollution of energy. The dust-liquid mixture flows into the recovery pipe body 31 of the drainage steam lock 3 from the dust-liquid outlet 24 of the separator 2, and can enter the steel slag closed tank 1 from the recovery pipe body 31 to the recovery inlet 12 of the steel slag closed tank 1 communicated with the other end of the recovery pipe body 31, and is reused together with steel slag as a road repairing material, so that pollution and waste are avoided. In the drain steam lock 3, the blocking member 32 is connected in the recovery pipe body 31, and the blocking member 32 is provided with a recovery channel 321 which is communicated and has a cross section size gradually reduced along the moving direction of the dust-liquid mixture, so that the purity of the hot steam obtained in the separator 2 is ensured to ensure that the hot steam can be directly put into use while the dust-liquid mixture does not influence the downward flow of the dust-liquid mixture to the slag pot 1, if a small amount of hot steam enters the drain steam lock 3 from the recovery inlet 12 of the slag pot 1, the caliber of one end of the recovery channel 321, which is close to the recovery inlet 12 of the slag pot 1, is smaller, and the dust-containing steam in the slag pot 1 can be prevented from entering the separator 2 through the recovery inlet 12 and the drain steam lock 3. The whole preparation cost is not too high, and meanwhile, the whole dust-containing hot steam is recycled, so that the waste and pollution are effectively avoided.

The steam use end of the steam discharge pipe 5 may be used to communicate with a steam inlet of a heat exchanger, for example, or may be used to communicate with a steam inlet of a part of equipment requiring heating or similar heat exchange, so as to realize the steam re-use.

Referring to fig. 1, in some embodiments of the utility model, the separator 2 includes a body 25 and a spherical head 26 connected, and the dust-laden steam inlet 22 is located at a lower portion of the spherical head 26. The separator 2 comprises a rectifying plate 27 attached to the inner wall of the separation chamber 21, the rectifying plate 27 being flush with the top of the dust-laden steam inlet 22.

The separator 2 comprises a body 25 and a spherical sealing head 26, wherein the body 25 can be used for separating dust-containing hot steam, and the spherical sealing head 26 can play a role in sealing and bearing pressure. The rectifying tube which is flush with the top of the dust-containing steam inlet 22 is added in the separator 2, so that the movement space of hot steam in the separator 2 can be reduced, the upward movement of the dust-containing hot steam before separation is avoided, the transverse movement of the dust-containing hot steam is promoted, the hot steam is enabled to rotate to accelerate the formation of a rotating gas field, and the dust-steam separation efficiency is accelerated.

It should be noted that, the body 25 and the spherical seal head 26 form the separation chamber 21, and the plate surface of the rectifying plate may be a plate surface of the rectifying plate far away from the spherical seal head 26. The rectifying plate 27 may be connected to a part of the inner wall of the spherical head 26 or may be connected to the top inner wall of the body 25, which is not limited by the present utility model.

Referring to fig. 1, in one implementation of the present utility model, the body 25 may include a cylindrical first portion 251 and a conical second portion coaxially connected, wherein a large-caliber end of the second portion is connected to the first portion 251, and a small-caliber end is connected to the recovery tube 31.

The body 25 adopts this section structure, and dusty hot steam can stably rotate, and the second part has the effect of closing together, and the separation efficiency is quickened in the downward closing together of rotation air field of being convenient for, and the dirt liquid mixture that also is convenient for separate gets into in the drainage steam lock 3.

In some embodiments of the utility model, the axial length of the first portion 251 may be less than or equal to the axial length of the second portion. The formation of a rotary gas field is facilitated, and the dust-gas separation efficiency is quickened.

In some embodiments of the utility model, the ratio of the axial length of the first portion 251 to the axial length of the second portion may be 1: 1-1:1.5. The ratio of the axial length of the first portion 251 to the axial length of the second portion is within the above range, which is advantageous for the formation of a rotating gas field, and can accelerate the efficiency of dust-gas separation.

It should be noted that, in other implementations provided by the present utility model, the body 25 may also have an overall tapered structure with a gradually changing diameter, which is not limited by the present disclosure.

In some embodiments of the present utility model, the steam dust removal recovery device further comprises a dust-containing steam delivery pipe 4 connected to the dust-containing steam inlet 22 and the inlet of the steel slag pot 1, wherein the axis of the dust-containing steam delivery pipe 4 is not intersected with the central axis of the separation chamber 21.

The dust-containing steam delivery pipe 4 can facilitate the gas transmission between the steel slag disintegrating tank 1 and the separator 2. And the axis of the dust-containing steam conveying pipe 4 is not intersected with the central axis of the separation cavity 21, so that the rotation power of steam entering the separator 2 from the dust-containing steam conveying pipe 4 can be increased, and the formation of a rotating gas field is promoted.

In some embodiments of the utility model, the inner diameter of the dusty steam delivery tube 4 decreases gradually in the direction from the slag pot 1 to the separator 2.

The inner diameter of the dust-containing steam conveying pipe 4 gradually decreases along the direction from the steel slag disintegrating tank 1 to the separator 2, so that the kinetic energy of the hot steam of the fluid is increased when the hot steam enters the separator 2 from the dust-containing steam conveying pipe 4, the speed is increased, the formation of a rotating gas field can be promoted, the continuous flow of the gas field can be maintained, the dust-steam separation efficiency is increased, and the purity of the hot steam is increased.

In some embodiments of the utility model, the separator 2 comprises a steam discharge pipe 5 communicated with the separation cavity 21, one end of the steam discharge pipe 5 is positioned in the separation cavity 21, and the other end extends out of the separation cavity 21 to form a steam outlet 23; the inner diameter of the steam discharge pipe 5 located in the separation chamber 21 gradually increases in the moving direction of the dust-liquid mixture. The structure of the steam discharge pipe 5 in this section can collect the separated hot steam to a large extent.

In some embodiments of the utility model, the axis of the steam outlet pipe 5 may coincide with the axis of the first portion 251. The separated hot steam can be collected to a large extent.

In some embodiments of the present utility model, the blocking member 32 is provided in plurality, and the plurality of blocking members 32 are sequentially distributed along the axial direction of the recovery pipe body 31.

The plurality of blocking pieces 32 are added on the recovery pipe body 31 in the drainage steam lock 3, and each blocking piece 32 can play a certain role in blocking a small amount of impure hot steam possibly leaked from the inlet of the steel slag pot 1, so that the purity of the hot steam in the separator 2 can be more effectively ensured.

In some embodiments of the utility model, the end of the barrier 32 that is adjacent to the dust liquid outlet 24 is in contact with the inner wall of the recovery pipe 31. The recovery of the dust-liquid mixture can be facilitated, and impure hot steam can be effectively prevented from entering the separator 2 from the drainage steam lock 3.

For ease of understanding, fig. 2 may be provided herein. Fig. 2 shows a schematic structure of a drain steam lock 3 according to another embodiment of the present utility model, and referring to fig. 2, the number of blocking members 32 may be 4. In other implementations provided by the present utility model, the number of blocking members 32 may also be 5 or 6 or other positive integer, as the present utility model is not limited in this regard.

In some embodiments of the utility model, the blocking member 32 is conical, the large end of the blocking member 32 is close to the dust liquid outlet 24 of the separator 2, and the outer periphery of the blocking member 32 forms an annular disturbing chamber with the inner wall of the recovery tube 31.

A small amount of impure steam possibly flowing out of the recovery inlet 12 of the steel slag disintegrating tank 1 enters the recovery pipe body 31, more easily enters the periphery of the blocking piece 32 to form an annular disturbing cavity with the inner wall of the recovery pipe body 31, and the impure hot steam can form a small vortex air flow in the disturbing cavity after colliding with the wall, so that the possibility that the impure hot steam enters the separator 2 from the lower part of the blocking piece 32 is further reduced.

In some embodiments of the present utility model, the small end of one barrier 32 extends into the recovery channel 321 of the other barrier 32, out of two adjacent barriers 32. The distance between the small end of one blocking piece 32 and the recovery channel 321 of the other blocking piece 32 is smaller on the premise of not affecting the flow of the dust-liquid mixture, so that the possibility that hot steam enters the small end of the previous blocking piece 32 from the recovery channel 321 of the one blocking piece 32 can be effectively reduced. The possibility that impure hot steam enters the separator 2 from the drain steam lock 3 can be effectively reduced.

FIG. 3 shows a cross-sectional view of the drain latch of FIG. 2 in A-A direction, and referring to FIG. 3, the outlets of the recovery channels 321 of two adjacent baffles 32 may be staggered; the blocking members 32 are provided with at least three, and of the adjacent three blocking members 32, the outlets of the recovery passages 321 of the two outermost blocking members 32 are coaxially arranged.

The flow channel formed by staggered holes of the adjacent blocking pieces 32 is also more tortuous, hot steam can be effectively blocked from entering the separator 2 from the steel slag stewing pot 1 by matching with the disturbing cavity, and liquid and particulate matters separated from the separator 2 can still smoothly enter the steel slag stewing pot 1 from the blocking pieces 32 under the action of gravity; the purity of the separated hot steam and the stable recovery of liquid and particulate matters are effectively ensured. And the outlets of the recovery channels 321 of the two outermost baffle members 32 of the adjacent three baffle members 32 are coaxially arranged, and the baffle members 32 have better baffle effect on a small amount of hot steam which may leak from the inlet of the steel slag pot 1.

The larger diameter hole designated 321 in fig. 3 is a portion of the recovery channel 321 of the other barrier 32 cut from the A-A direction. The smallest diameter hole in fig. 3 is the smallest diameter of the recovery channel 321.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should 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" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vapor dust removal recovery device, comprising:

steel slag pot filling;

the separator is provided with a separation cavity, a dust-containing steam inlet, a steam outlet for discharging steam and a dust liquid outlet for discharging a dust liquid mixture, wherein the dust-containing steam inlet is communicated with the outlet of the steel slag disintegrating tank;

the drainage steam lock comprises a recovery pipe body and a blocking piece connected in the recovery pipe body, wherein two ends of the recovery pipe body are respectively communicated with a dust liquid outlet and a recovery inlet of the steel slag closed tank, the blocking piece is provided with a through recovery channel, and the cross section size of the recovery channel is gradually reduced along the moving direction of the dust liquid mixture.

2. The vapor dust removal recovery device according to claim 1, wherein a plurality of the blocking members are provided, and a plurality of the blocking members are sequentially distributed in an axial direction of the recovery pipe body.

3. The vapor dust removal recovery device of claim 2, wherein the outlets of the recovery channels of adjacent two of said blocking members are staggered; the blocking pieces are provided with at least three, and the recovery channel outlets of two blocking pieces positioned at the outermost side are coaxially arranged in the adjacent three blocking pieces.

4. A vapor dust removal recovery device as set forth in claim 3, wherein said blocking member is tapered, a large end of said blocking member being adjacent to said separator dust liquid outlet, and an outer periphery of said blocking member forming an annular disturbing chamber with an inner wall of said recovery tube.

5. The vapor dust recovery device of claim 4, wherein a small end of one of said barrier members extends into a recovery passage of the other of said barrier members, of adjacent barrier members.

6. The vapor dust recovery device of claim 2, wherein an end of the blocking member adjacent to the dust liquid outlet is in contact with an inner wall of the recovery tube body.

7. The vapor dust removal recovery device of any one of claims 1-6, further comprising a dust-laden vapor transfer tube in communication with the dust-laden vapor inlet and the inlet of the steel slag pot, the axis of the dust-laden vapor transfer tube being non-intersecting with the central axis of the separation chamber.

8. The vapor dust removal recovery device of claim 7, wherein said dust vapor transfer tube has an inner diameter that gradually decreases in a direction from said steel slag pot to said separator.

9. The vapor dust removal recovery device of any one of claims 1-6, wherein said separator comprises a body and a spherical head connected, said dust-laden vapor inlet is located in a lower portion of said spherical head, said separator comprises a rectifying plate connected to an inner wall of said separation chamber, said rectifying plate being flush with a top of said dust-laden vapor inlet.

10. The vapor dust removal recovery device according to any one of claims 1-6, wherein said separator comprises a vapor discharge pipe communicating with said separation chamber, said vapor discharge pipe having one end located within said separation chamber and the other end extending to said separation chamber to form a vapor outlet; the inner diameter of the steam discharge pipe located in the separation chamber gradually increases in the moving direction of the dust-liquid mixture.