CN211133963U - Gas converter and vinyl chloride production device - Google Patents

Abstract

The utility model provides a gas converter and a chloroethylene production device, which relate to the technical field of gas conversion devices and comprise a converter body and a gas dispersion part; be provided with the gas feed inlet on the converter body, gas dispersion portion sets up in gas feed inlet department, and gas dispersion portion and this body coupling of converter are provided with a plurality of diffluence holes in the gas dispersion portion, and a plurality of diffluence holes are used for entering into this internal gas dispersion of converter through the gas feed inlet. Because be provided with a plurality of diffluence holes in the gas dispersion portion, enter into this internal gas of converter through the gas feed inlet and compare through the reposition of redundant personnel effect of a plurality of diffluence holes with this internal with gas direct entering converter, gas is more even at this internal distribution of converter, does benefit to in gas evenly gets into each conversion pipe.

Description

Gas converter and vinyl chloride production device

Technical Field

The utility model belongs to the technical field of the technique of gas conversion device and specifically relates to a gas converter and chloroethylene apparatus for producing is related to.

Background

The converter is the core equipment for preparing chloroethylene and other industrial raw materials by an acetylene method, a conversion pipe is arranged in the converter, acetylene and hydrogen chloride generate chloroethylene through addition polymerization in the conversion pipe, the chloroethylene is colorless and easy to liquefy, and the chloroethylene is mainly used as a raw material for preparing other industrial products such as polyvinyl chloride and the like.

Be provided with the inlet pipe on the present chloroethylene converter, gaseous raw materials enters into the converter in the converter through the inlet pipe in, but gaseous raw materials directly enters into easily causes gaseous local piling up in the converter, and the uneven distribution is in the converter, is unfavorable for gaseous even entering into each converter of raw materials in.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas converter and chloroethylene apparatus for producing to alleviate raw materials gas and distributed inhomogeneous technical problem in the converter.

In order to solve the technical problem, the utility model provides a technical scheme lies in:

the utility model provides a gas converter, which comprises a converter body and a gas dispersion part;

be provided with the gas feed inlet on the converter body, gas dispersion portion set up in gas feed inlet department, gas dispersion portion with this body coupling of converter, be provided with a plurality of diffluence holes in the gas dispersion portion, it is a plurality of the diffluence hole is used for the warp the gas feed inlet enters into this internal gas dispersion of converter.

Furthermore, a plurality of the diffluence holes are arranged outwards in sequence from the center of the gas dispersion part, and the circle centers of the diffluence holes are arranged in a collinear way.

Further, the gas dispersion part comprises a connecting rib plate and a pore plate;

one end of the connecting rib plate is connected with the converter body, the other end of the connecting rib plate is connected with the pore plate, and an accommodating cavity is formed among the connecting rib plate, the pore plate and the converter body in a surrounding manner so that gas enters the accommodating cavity through the gas feed port;

the plurality of the branch holes are arranged on the pore plate, so that the gas in the accommodating cavity enters the converter body through the plurality of the branch holes.

Further, the converter body comprises a first pipe box, a cylinder and a second pipe box;

the first tube box is connected with the top of the cylinder, the second tube box is connected with the bottom of the cylinder, the gas feed port is arranged on the first tube box, and the gas dispersion part is connected with the first tube box.

Further, the converter body further comprises a first tube sheet and a second tube sheet;

one side of the first tube plate is connected with the first tube box, and the other side of the first tube plate is connected with the cylinder; one side of the second tube plate is connected with the cylinder, and the other side of the second tube plate is connected with the second tube box.

Furthermore, a plurality of first temperature measuring holes are formed in the first tube plate, and connecting lines of the first temperature measuring holes are arranged in a spiral line.

Furthermore, a plurality of second temperature measuring holes are formed in the second tube plate, and connecting lines of the plurality of second temperature measuring holes are arranged in a spiral line.

Furthermore, the bottom of second pipe case is provided with the discharging pipe, install the sight glass on the discharging pipe, the sight glass is used for observing whether there is the seepage liquid in the discharging pipe.

Further, the first channel box and the second channel box are each configured to have any one of a hemispherical shape, an ellipsoidal shape, and a spherical crown shape.

The utility model provides a chloroethylene production device, which comprises a gas converter;

the converter is internally provided with a plurality of reaction tubes, and the reaction tubes are used for carrying out addition polymerization on the gas dispersed by the gas dispersion part.

Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:

the utility model provides a gas converter, which comprises a converter body and a gas dispersion part; be provided with the gas feed inlet on the converter body, gas dispersion portion sets up in gas feed inlet department, and gas dispersion portion and this body coupling of converter are provided with a plurality of diffluence holes in the gas dispersion portion, and a plurality of diffluence holes are used for entering into this internal gas dispersion of converter through the gas feed inlet. Because be provided with a plurality of diffluence holes in the gas dispersion portion, enter into this internal gas of converter through the gas feed inlet and compare through the reposition of redundant personnel effect of a plurality of diffluence holes with this internal with gas direct entering converter, gas is more even at this internal distribution of converter, does benefit to in gas evenly gets into each conversion pipe.

Drawings

For a clear explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a gas converter provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first tube plate in a gas converter provided by an embodiment of the present invention;

fig. 3 is a front view of a gas dispersing section in a gas converter according to an embodiment of the present invention;

fig. 4 is a left side view of a gas dispersing section in a gas converter according to an embodiment of the present invention.

Icon: 100-converter body; 110-a first tube box; 120-barrel; 130-a second tube box; 140-a first tubesheet; 150-a second tubesheet; 200-a gas dispersion section; 210-connecting a rib plate; 220-well plate; 300-a feed inlet; 400-a shunt hole; 500-a first temperature measurement hole; 600-a discharge pipe; 610-a discharge hole; 620-clean discharge port; 700-sight glass.

Detailed Description

The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 3, the present embodiment provides a gas converter including a converter body 100 and a gas dispersion portion 200; be provided with gas feed inlet 300 on the converter body 100, gas dispersion portion 200 sets up in gas feed inlet 300 department, and gas dispersion portion 200 is connected with converter body 100, is provided with a plurality of diffluence holes 400 on the gas dispersion portion 200, and a plurality of diffluence holes 400 are used for the gas dispersion that will enter into converter body 100 through gas feed inlet 300.

Specifically, the converter body 100 is set as a conversion tank, an accommodating chamber is arranged in the conversion tank, a plurality of conversion tubes are installed in the accommodating chamber, a feed inlet 300 is arranged at the top of the converter, a feed pipe is connected to the feed inlet 300, the gas dispersion part 200 is arranged in the converter body 100, the gas dispersion part 200 is arranged right below the feed inlet 300, a plurality of diversion holes 400 are arranged on the gas dispersion part 200, the diversion holes 400 are circular through holes, and in addition, the diversion holes 400 can also be set in the shapes of triangle, rectangle, rhombus and the like; the gas to be reacted, which enters the converter body 100 through the inlet 300, is directly blown onto the gas dispersing portion 200 and then diffused toward the lower portion of the converter body 100 through the plurality of the diverging holes 400, and the diverging holes 400 make the gas to be reacted diffused more uniformly in the converter body 100.

The present embodiment provides a gas converter, which includes a converter body 100 and a gas dispersion portion 200; be provided with gas feed inlet 300 on converter body 100, gas dispersion portion 200 sets up in one side of gas feed inlet 300, and gas dispersion portion 200 is connected with converter body 100, is provided with a plurality of reposition of redundant personnel holes 400 on the gas dispersion portion 200, and a plurality of reposition of redundant personnel holes 400 are used for will entering into the gas dispersion in converter body 100 through gas feed inlet 300. Because be provided with a plurality of reposition of redundant personnel holes 400 on the gas dispersion portion 200, the gas that enters into converter body 100 through gas feed inlet 300 compares through the reposition of redundant personnel effect of a plurality of reposition of redundant personnel holes 400 with gas direct entry into converter body 100, and gas is more even in converter body 100's distribution, does benefit to in gas evenly gets into each converter tube.

On the basis of the above embodiment, further, the present embodiment provides a gas converter in which the plurality of branch holes 400 are arranged in sequence from the center of the dispersion part to the outside, and the centers of the plurality of branch holes 400 are arranged collinearly.

Specifically, as shown in fig. 3, the number of the diversion holes 400 is multiple, preferably, the number of the diversion holes 400 provided in this embodiment is four, four diversion holes 400 are arranged collinearly, the centers of circles of the four diversion holes 400 are distributed on four concentric circles, the four diversion holes 400 are sequentially arranged from the center of the circle of the gas dispersion part 200 to the direction close to the edge of the gas dispersion part 200, and the diameters of the four diversion holes 400 are sequentially increased; under the same air inlet pressure, because the diameter of the diversion hole 400 close to the circle center of the air dispersing part 200 is smaller, after the reaction gas passes through the diversion hole 400 with smaller diameter, the gas flow velocity is large, and the transmission distance is long; when the gas to be reacted passes through the diversion holes 400 with a larger diameter near the edge of the gas dispersion part 200, the gas flow velocity is relatively smaller, the propagation distance is far, and the gas to be reacted is dispersed more uniformly in the converter body 100 by virtue of the diversion holes 400 with different diameters.

As an alternative embodiment of this embodiment, the distribution holes 400 are arranged in eight, the eight distribution holes 400 are arranged in a line, the eight distribution holes 400 are arranged in two groups, each group includes four, one group of the distribution holes 400 is arranged in four in the above embodiment, and the other group of the distribution holes 400 and the four distribution holes 400 in the above embodiment are symmetrical with respect to one diameter of the gas dispersing section 200.

Further, the gas dispersion part 200 includes a connection rib 210 and a hole plate 220; one end of the connecting rib plate 210 is connected with the converter body 100, the other end is connected with the pore plate 220, and an accommodating cavity is formed among the connecting rib plate 210, the pore plate 220 and the converter body 100 in a surrounding manner, so that gas enters the accommodating cavity through the gas inlet 300; the plurality of diversion holes 400 are all disposed on the orifice plate 220, so that the gas in the accommodating chamber enters the converter body 100 through the plurality of diversion holes 400.

Specifically, as shown in fig. 3 and 4, the connection rib plate 210 is a cylindrical metal plate, the two ends of the connection rib plate 210 are both open, the hole plate 220 is a circular metal plate, the plurality of diversion holes 400 are all arranged on the hole plate 220, one end of the connection rib plate 210 is welded on the hole plate 220, the other end of the connection rib plate 210 is welded in the converter body 100, the connection rib plate 210 is opposite to the gas feed port 300, an accommodating cavity is formed between the converter body 100 and the connection rib plate 210 and the hole plate 220, the gas to be converted firstly enters the accommodating cavity through the gas feed port 300, and then enters the converter body 100 through the accommodating cavity through the plurality of diversion holes 400 on the hole plate 220.

The gas converter that this embodiment provided encloses between connection gusset 210 and the orifice plate 220 through converter body 100 and establishes to be formed with the holding chamber, is provided with a plurality of diameter diffluence orifices 400 that increase in proper order on the orifice plate 220 for treat that reactant gas enters into the holding intracavity from gas feed inlet 300 earlier, enter into converter body 100 through a plurality of diffluence orifices 400 from the holding chamber again, make and enter into converter body 100 in treat that reactant gas distributes evenly.

On the basis of the above embodiments, further, the converter body 100 in the gas converter provided by the present embodiment includes the first tube box 110, the cylinder 120 and the second tube box 130; the first header 110 is connected to the top of the cylinder 120, the second header 130 is connected to the bottom of the cylinder 120, the gas inlet 300 is disposed on the first header 110, and the gas dispersing unit 200 is connected to the first header 110.

Specifically, the converter body 100 is formed by combining three parts, namely, a first tube box 110, a cylinder 120 and a second tube box 130, the cylinder 120 is disposed between the first tube box 110 and the second tube box 130, the first tube box 110 is disposed at the top of the barrel, the second tube box 130 is disposed at the bottom of the barrel, two ends of the cylinder 120 are respectively connected with the first tube box 110 and the second tube box 130, a gas inlet 300 is disposed at the top of the first tube box 110, a gas dispersing part 200 is disposed in the first tube box 110, and the gas dispersing part 200 is connected with the first tube box 110 by welding.

Further, the converter body 100 further includes a first tube sheet 140 and a second tube sheet 150; one side of the first tube sheet 140 is connected to the first tube box 110, and the other side is connected to the cylinder 120; the second tube sheet 150 has one side connected to the cylinder 120 and the other side connected to the second tube box 130.

Specifically, the first tube plate 140 and the second tube plate 150 are both configured as circular metal plates, the first tube plate 140 is disposed between the first tube box 110 and the cylinder 120, the first tube box 110 is welded to the first tube plate 140, and the first tube plate 140 is welded to the cylinder 120; the second tube sheet 150 is disposed between the cylinder body 120 and the second tube box 130, the cylinder body 120 is welded to a side of the second tube sheet 150, and the second tube box 130 is welded to a side of the second tube sheet 150 remote from the cylinder body 120. Compared with the traditional mode that the cylinder body 120 is connected with the first tube box 110 and the second tube box 130 through flanges respectively, the tube plate in the embodiment is not used as a flange any more and is directly connected through a welding mode, so that the parts such as the flange, a sealing gasket, a fastening piece and the like are omitted, on one hand, the equipment investment cost is reduced, on the other hand, the problem of unreliable flange sealing of large-diameter equipment is solved, and the risk of medium leakage in the converter is reduced.

Further, a plurality of first temperature measuring holes 500 are formed in the first tube plate 140, and connecting lines of the plurality of first temperature measuring holes 500 are arranged in a spiral line.

Specifically, as shown in fig. 2, a plurality of first temperature measuring holes 500 are provided, preferably, eight first temperature measuring holes 500 are provided in this embodiment, the first temperature measuring holes 500 may be provided as polygons such as circles, rectangles, triangles, and the like, preferably, the first temperature measuring holes 500 are provided as hexagons, and the connecting lines of the central points of the plurality of first temperature measuring holes 500 form a spiral line; the first temperature measurement holes 500 are used for installing temperature sensors, and the connection lines of the central points of the first temperature measurement holes 500 are in a spiral line shape, so that the temperature sensors are distributed more widely on the tube plates, the whole positions from the center to the edge of the first tube plate 140 are basically covered, and the temperature of each part of the first tube plate 140 is measured more scientifically and accurately.

Further, a plurality of second temperature measuring holes are formed in the second tube plate 150, and connecting lines of the plurality of second temperature measuring holes are arranged in a spiral line.

Specifically, the number of the second temperature measuring holes is also multiple, preferably, the number of the second temperature measuring holes provided in this embodiment is eight, the second temperature measuring holes can be set to be polygonal such as circular, rectangular, triangular, and the like, preferably, the second temperature measuring holes are set to be hexagonal, and the connecting lines of the center points of the multiple second temperature measuring holes form a spiral line; the second temperature measuring holes are used for installing the temperature sensors, and the connecting lines of the central points of the plurality of second temperature measuring holes are in a spiral line shape, so that the temperature sensors are distributed more widely on the tube plates, all the positions from the center to the edge of the second tube plate 150 are basically covered, and the temperature of each part of the second tube plate 150 is measured more scientifically and accurately.

According to the gas converter provided by the embodiment, the first tube box 110, the first tube plate 140, the cylinder body 120, the second tube plate 150 and the second tube box 130 are welded in sequence, so that a flange sealing mode is not required, a sealing structure is simplified, and leakage risks are reduced; the connecting lines of the first temperature measuring holes 500 are spiral lines, and the connecting lines of the second temperature measuring holes are also spiral lines, so that the temperature sensors are more reasonably arranged on the first tube plate 140 and the second tube plate 150, and the temperature measurement is more scientific and accurate.

In addition to the above embodiments, in the gas converter provided in this embodiment, the discharge pipe 600 is disposed at the bottom of the second pipe box 130, the discharge pipe 600 is provided with a viewing mirror 700, and the viewing mirror 700 is used for observing whether there is a liquid leakage in the discharge pipe 600.

Specifically, the discharge pipe 600 is welded at the bottom of the second pipe box 130, the discharge pipe 600 is communicated with the second pipe box 130, a discharge port 610 is arranged at one side of the discharge pipe 600, a valve for controlling discharge is installed at the discharge port 610, and gas after full reaction is discharged from the discharge port 610; a drain port 620 is formed in the bottom of the discharge pipe 600, a valve for controlling drain is arranged at the drain port 620, and the drain port 620 is used for discharging leaked liquid drops or other accumulated materials; the sight glass 700 is further installed on one side of the discharge pipe 600, the sight glass 700 is set to be a national standard pipeline sight glass 700, through the pipeline sight glass 700, the flowing condition of gas in the discharge pipe 600 can be observed on the one hand, and on the other hand, whether liquid, water vapor or water mist exists in the discharge pipe 600 or not is observed, when water vapor exists in the discharge pipe 600, the heat exchange pipe in the converter is damaged or the related pipe joint is leaked, shutdown maintenance is needed, and the use is convenient.

Further, the first and second headers 110 and 130 are each configured in any one of a hemispherical shape, an ellipsoidal shape, and a spherical crown shape.

Specifically, the first tube box 110 and the second tube box 130 provided by this embodiment are all configured to be any one of a hemispherical shape, an ellipsoidal shape and a spherical crown shape, preferably, the first tube box 110 and the second tube box 130 are both configured to be spherical crown shapes, and most of the conventional tube boxes are configured to be conical shapes.

According to the gas converter provided by the embodiment, the viewing mirror 700 is arranged on the discharge pipe 600, so that whether liquid leakage exists in the converter body 100 or not can be conveniently observed, and risks can be eliminated in time; by arranging the first header 110 and the second header 130 in a spherical crown shape, the pressure-bearing capacity of the gas converter provided by the embodiment is improved, and the use safety is better.

On the basis of the above embodiments, further, the present embodiment provides a vinyl chloride production apparatus, comprising a gas converter; the converter body 100 is provided therein with a plurality of reaction tubes for performing an addition polymerization reaction of the gas dispersed by the gas dispersing unit 200.

Specifically, the gas converter in the above embodiment is configured as a vinyl chloride converter in the present embodiment, a plurality of conversion tubes are installed in the converter, one end of each conversion tube is connected to the first tube plate 140 and is communicated with the first tube box 110, the other end of each conversion tube is connected to the second tube plate 150 and is communicated with the second tube box 130, and necessary tubes such as heat exchange tubes are also installed in the converter; the gas to be reacted (mixed gas of acetylene, hydrogen chloride and the like) enters the accommodating cavity formed by enclosing among the converter body 100, the connecting rib plate 210 and the pore plate 220 through the gas inlet 300, then enters the first channel box 110 from the accommodating cavity through the plurality of branch holes 400, then enters the conversion pipe from the first channel box 110 for addition polymerization reaction, and vinyl chloride obtained after the reaction enters the second channel box 130 and is finally discharged from the discharge hole 610 on the discharge pipe 600.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A gas converter, comprising: a converter body (100) and a gas dispersion unit (200);

be provided with gas feed inlet (300) on converter body (100), gas dispersion portion (200) set up in gas feed inlet (300) department, gas dispersion portion (200) with converter body (100) are connected, be provided with a plurality of diffluence holes (400) on gas dispersion portion (200), it is a plurality of diffluence holes (400) are used for the warp gas feed inlet (300) enter into the gas dispersion in converter body (100).

2. The gas converter according to claim 1, wherein a plurality of the branch holes (400) are arranged in sequence from the center of the gas dispersing section (200) outward, and the centers of the plurality of the branch holes (400) are arranged in a line.

3. The gas converter according to claim 2, wherein the gas dispersion section (200) comprises a connection rib (210) and a hole plate (220);

one end of the connecting rib plate (210) is connected with the converter body (100), the other end of the connecting rib plate is connected with the pore plate (220), and an accommodating cavity is formed among the connecting rib plate (210), the pore plate (220) and the converter body (100) in an enclosing manner, so that gas enters the accommodating cavity through the gas inlet (300);

the plurality of the branch holes (400) are arranged on the pore plate (220), so that the gas in the accommodating cavity enters the converter body (100) through the plurality of the branch holes (400).

4. The gas converter according to claim 1, wherein the converter body (100) comprises a first header (110), a cylinder (120) and a second header (130);

the first header (110) is connected to the top of the cylinder (120), the second header (130) is connected to the bottom of the cylinder (120), the gas inlet (300) is disposed on the first header (110), and the gas dispersing unit (200) is connected to the first header (110).

5. The gas converter according to claim 4, wherein the converter body (100) further comprises a first tube sheet (140) and a second tube sheet (150);

one side of the first tube plate (140) is connected with the first tube box (110), and the other side is connected with the cylinder (120); one side of the second tube plate (150) is connected with the cylinder (120), and the other side is connected with the second tube box (130).

6. The gas converter according to claim 5, characterized in that a plurality of first temperature measuring holes (500) are arranged on the first tube plate (140), and the connecting lines of the plurality of first temperature measuring holes (500) are arranged in a spiral line.

7. The gas converter according to claim 5, wherein a plurality of second temperature measuring holes are formed in the second tube plate (150), and a connecting line of the plurality of second temperature measuring holes is arranged in a spiral line.

8. The gas converter according to claim 4, characterized in that the bottom of the second header tank (130) is provided with an outlet pipe (600), and that a sight glass (700) is mounted on the outlet pipe (600), the sight glass (700) being used to observe whether a leaking liquid is present in the outlet pipe (600).

9. The gas converter according to claim 4, wherein the first header tank (110) and the second header tank (130) are each provided in any one of a hemispherical shape, an ellipsoidal shape, and a spherical crown shape.

10. A vinyl chloride production apparatus comprising the gas converter according to any one of claims 1 to 9;

a plurality of reaction tubes for performing addition polymerization of the gas dispersed by the gas dispersing unit (200) are installed in the converter body (100).

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