CN221244010U - De-single-tower reboiler - Google Patents

Abstract

The utility model discloses a single-tower removing reboiler, which comprises an upper cylinder body and a lower cylinder body, wherein the diameter of the upper cylinder body is larger than that of the lower cylinder body, and two adjacent ends of the upper cylinder body and the lower cylinder body are fastened and connected through flanges; the upper cylinder body lower extreme is equipped with the pipe box nipple, the outward one end of pipe box nipple is equipped with first nipple flange, lower part cylinder upper end is equipped with the upper tube sheet, the upper tube sheet is equipped with the upper tube sheet flange, the upper cylinder body with the lower part cylinder is through the first nipple flange of pipe box nipple and the upper tube sheet flange fastening connection of upper tube sheet. The single-tower stripping reboiler is provided with the upper cylinder and the lower cylinder, and the diameter of the upper cylinder is directly larger than that of the lower cylinder, so that the upper part of the reboiler is changed into a cylinder with huge volume, the buffer of the gas vaporized in the lower cylinder in the upper cylinder can be ensured, the gas pressure in the reboiler can be balanced, and the working efficiency of the reboiler is improved.

Description

De-single-tower reboiler

Technical Field

The utility model belongs to the technical field of separation equipment, and particularly relates to a single-tower removing reboiler which can greatly improve heat exchange and separation efficiency, is small in installation difficulty and convenient to use.

Background

Reboiler (also called reboiler) is an important basic chemical plant. The reboiler is commonly applied to the rectification and purification process of liquid materials synthesized by petrochemical industry and chemical industry, and is often used together with a rectifying tower, an upper tube plate and a lower tube plate are arranged in the reboiler, holes are densely formed in the tube plates, heat exchange tubes are welded in the holes, the heat exchange tubes are opened to the upper end and the lower end of the reboiler, a space formed between the upper tube plate and the lower tube plate is a heating space, heating mediums such as steam are introduced, and the heat exchange tubes in the space are heated; the material enters from the material inlet at the lower end of the reboiler, fills the liquid material storage space at the lower end of the reboiler and the heating pipe, and the material to be vaporized in the heating pipe is heated and evaporated and enters the rectifying tower for fractionation. When the reboiler works, the liquid phase provided by the rectifying tower from the bottom of the tower enters the reboiler, 25-30% of the liquid in the reboiler is vaporized, and the vaporized material enters the rectifying tower again for circulating rectification.

The structure of the traditional reboiler mainly comprises a barrel, wherein an upper tube plate and a lower tube plate are respectively welded on the upper end face and the lower end face of the barrel in a sealing mode, and a tube bundle assembly is arranged between the two tube plates. In the reboiler of this kind of form, carry out internal heating through the heat exchange tube, make the liquid that needs the gasification be heated and evaporate, but because overall dimension's restriction, the gaseous direct entering tower is inside of evaporation gasification does not have buffer space, weaken reboiler work efficiency greatly, moreover because liquid constantly in the tower with reboiler heat exchange intracavity repeatedly circulate the heating, can make the inside tiny bubble that produces of liquid, lead to the reduction of the total amount of heating gasification, influence reboiler work efficiency, if carry out supporting use with large-scale single tower that takes off, the overall dimension of reboiler needs to be increased, the volume of expanding just can satisfy the service condition. Therefore, the traditional reboiler is matched with the rectifying tower for use, so that the working efficiency is not too high, the use requirement of large-scale tower equipment cannot be met, and the manufacturing cost of the equipment can be greatly increased if the conditions are met.

The present utility model has been made in view of this.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide a single-tower removing reboiler, wherein the reboiler is provided with an upper cylinder and a lower cylinder, and the diameter of the upper cylinder is far greater than that of the lower cylinder, so that the gas gasified by the lower cylinder is buffered in the upper cylinder and then enters the tower.

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

A single-column stripper reboiler comprising: the upper cylinder body and the lower cylinder body, the diameter of the upper cylinder body is larger than that of the lower cylinder body, and two adjacent ends of the upper cylinder body and the lower cylinder body are fastened and connected through flanges.

Advantageously, the diameter of the upper cylinder is larger than that of the lower cylinder, so that the gasified gas in the lower cylinder can be decompressed and buffered in the upper cylinder, and the gas pressure in the reboiler can be balanced, so that the working efficiency is improved.

Further, an upper pipe box short circuit is arranged at the lower end of the upper cylinder body, and a first short circuit flange is arranged at one outward end of the upper pipe box short circuit; the upper end of the lower cylinder body is provided with an upper tube plate, the upper tube plate is provided with an upper tube plate flange, and the upper cylinder body is fixedly connected with the lower cylinder body through a first short joint flange of an upper tube box in short joint and the upper tube plate flange of the upper tube plate.

Further, the upper cylinder includes: the sealing head comprises a first sealing head and a second sealing head, the first sealing head is arranged at the upper end of the first shell side barrel, and the second sealing head is arranged between the first shell side barrel and the short circuit of the upper pipe box.

Further, a foam remover is arranged in the upper cylinder, is arranged on the upper part of the first shell side cylinder and is close to the joint of the first sealing head and the first shell side cylinder and used for removing bubbles carried in the gasified gas.

Advantageously, the demister can remove bubbles carried in the gasified gas, and simultaneously can generate a certain distribution effect on the gas, so that the gas pressure in the reboiler can be balanced to a certain degree.

Further, a supporting plate is arranged on the inner wall of the first shell side cylinder body, and the upper surface of the supporting plate is in contact with the lower surface of the foam remover and is used for supporting the foam remover.

Further, the side wall of the first shell side cylinder is provided with:

The pressure gauge port is used for being connected with a pressure gauge so as to detect the pressure in the reboiler;

The vaporization state in the reboiler can be observed through the lamp mirror.

Further, a steam outlet is arranged at the top end of the first sealing head and is used for discharging steam generated after the materials are heated and vaporized;

And a liquid level meter opening is formed in the circular arc wall of the first sealing head and used for setting a liquid level meter to detect the liquid level of steam condensate in the reboiler.

Advantageously, the liquid level gauge can detect the liquid level of steam condensate in the reboiler, and prevent to influence heat exchange or liquid level too low and cause the gas leakage because of the liquid level too high.

Further, an ear seat is arranged on the arc wall of the second seal head, and the reboiler can be lifted through the ear seat;

The ear seat is provided with a grounding plate for guiding charges generated in the working process of the reboiler into the ground.

Advantageously, the ground plate can move charges generated during the operation of the reboiler into the ground in time, so that the explosion danger caused by static electricity generated during the material loading and unloading is avoided.

Further, the lower cylinder includes: the shell-side shell comprises a second shell-side shell body, a lower pipe box short circuit and a third sealing head, wherein the lower end of the second shell-side shell body is connected with the lower end of the lower pipe box short circuit through a flange in a fastening mode, and the lower end of the lower pipe box short circuit is connected with the third sealing head.

Further, a lower tube plate is arranged at the lower end of the second shell side cylinder body, and the lower tube plate is connected with the upper end of the short circuit of the lower tube box through a flange; a heat exchange cavity is formed between the upper tube plate and the lower tube plate, and a baffle plate, a distance tube and a heat exchange tube are arranged in the heat exchange cavity.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.

1. The single-tower stripping reboiler is provided with the upper cylinder and the lower cylinder, and the diameter of the upper cylinder is larger than that of the lower cylinder, so that the upper part of the reboiler is changed into a cylinder with huge volume, the gas vaporized in the lower cylinder can be buffered in the upper cylinder, the gas pressure in the reboiler can be balanced, and the working efficiency of the reboiler is improved.

2. The upper part of the upper cylinder body is provided with the demister, and the gas vaporized by the lower cylinder body enters the tower body after passing through the demister, so that a good distribution effect can be achieved, and the effect of balancing the pressure of the gas in the reboiler can be achieved.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic diagram of the single-column reboiler structure of the present utility model.

In the figure: 1. an upper cylinder; 11. a first shell side cylinder; 111. a pressure gauge port; 112. a sight glass with a lamp; 113. a demister; 114. a support plate; 12. a first end socket; 121. a liquid level meter port; 122. a steam outlet; 13. a second end socket; 131. an ear seat; 132. a ground plate; 14. the upper pipe box is short-circuited; 141. a first shorting flange; 2. a lower cylinder; 21. an upper tube sheet; 211. an upper tube plate flange; 22. a second shell side cylinder; 221. a steam inlet; 222. a condensate outlet; 223. a discharging port; 224. an air vent; 225. an expansion joint; 23. a lower tube sheet; 231. a lower tube plate flange; 24. the lower pipe box is short-circuited; 241. a second shorting flange; 242. a material inlet; 25. a third end socket; 251. and a material outlet.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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 thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the utility model provides a single-tower reboiler, which comprises an upper cylinder 1 and a lower cylinder 2, wherein the diameter of the upper cylinder 1 is larger than that of the lower cylinder 2, and two adjacent ends of the upper cylinder 1 and the lower cylinder 2 are fastened and connected through flanges.

Further, the lower end of the upper cylinder 1 is provided with an upper pipe box nipple 14, one end of the upper pipe box nipple 14 facing outwards is provided with a first nipple flange 141, the upper end of the lower cylinder 2 is provided with an upper pipe plate 21, the upper pipe plate 21 is provided with an upper pipe plate flange 211, and the upper cylinder 1 and the lower cylinder 2 are in fastening connection with the upper pipe plate flange 211 of the upper pipe plate 21 through the first nipple flange 141 of the upper pipe box nipple 14.

In this embodiment, the diameter of the upper cylinder 1 is much larger than that of the lower cylinder 2, so that the upper cylinder 1 forms a huge cylinder, and the gas vaporized by the lower cylinder 2 enters the upper cylinder 1 for dispersion and buffering, so that the gas pressure in the reboiler can be balanced, and the working efficiency of the reboiler is improved.

Specifically, an upper pipe box nipple 14 is arranged between the lower end of the upper cylinder 1 and the upper end of the lower cylinder 2, a first nipple flange 141 is arranged at the outward end of the upper pipe box nipple 14, an upper pipe plate 21 is arranged at the upper end of the lower cylinder 2, an upper pipe plate flange 211 is arranged on the upper pipe plate 21, and the first nipple flange 141 and the upper pipe plate flange 211 are connected in a matched mode to realize the fastening connection of the upper cylinder 1 and the lower cylinder 2.

Further, the upper cylinder 1 includes: the sealing head comprises a first sealing head 12 and a second sealing head 13, wherein the first sealing head 12 is arranged at the upper end of the first shell side cylinder 11, and the second sealing head 13 is arranged between the first shell side cylinder 11 and the upper pipe box short circuit 14.

Specifically, the first sealing head 12 is disposed at the upper end of the first shell-side cylinder 11, and the second sealing head 13 is disposed at the lower end of the first shell-side cylinder 11 and is connected together by welding. The lower end of the second seal head 13 is connected with an upper pipe box short circuit 14, and the lower end and the upper pipe box short circuit are connected together in a welding mode. The outward one end of the upper pipe box short joint 14 is provided with a first short joint flange 141, and the upper cylinder 1 is connected with an upper pipe plate flange 211 arranged on an upper pipe plate 21 of the lower cylinder 2 through the first short joint flange 141, so that the fastening connection of the adjacent two ends of the upper cylinder 1 and the lower cylinder 2 is realized.

Further, a demister 113 is disposed in the upper cylinder 1, and the demister 113 is disposed on the upper portion of the first shell-side cylinder 11 and near a connection position between the first end socket 12 and the first shell-side cylinder 11, and is used for removing bubbles carried in the gasified gas.

Specifically, a foam remover 113 is arranged in the first shell side cylinder 11 near the connection position of the first shell side cylinder 11 and the first sealing head 12, and the foam remover 113 is a silk screen foam remover, so that bubbles in gas can be removed while the gas passes through.

More specifically, after the chemical materials to be heated and vaporized are vaporized in the lower cylinder 2, the generated gas enters the upper cylinder 1, and then bubbles carried in the vaporized gas are removed by the demister 113 and then enter the descaler. The demister 113 is arranged near the top of the upper cylinder 1, so that the gasified gas is distributed in the upper cylinder 1, then upwards passes through the demister 113, the demister 113 can remove foam carried in the gas, and therefore the phenomenon of gas entrainment is removed, and the gasification efficiency of a reboiler is improved.

Further, a supporting plate 114 is disposed on the inner wall of the first shell-side cylinder 11, and an upper surface of the supporting plate 114 is in contact with a lower surface of the demister 113, so as to support the demister 113.

Specifically, a support plate 114 is provided on the inner wall of the first shell side cylinder 11 immediately below the demister 113, and the support plate 114 plays a supporting role for the demister 113.

In this embodiment, the support plate 114 is welded to the side wall of the first shell-side cylinder 11, and the support plate 114 includes at least one side surface, and the upper surface contacting the demister 113 forms a right angle with the side surface.

Preferably, the support plate 114 has a trapezoid structure, the upper surface contacting the demister 113 is at right angles to both sides, and the relatively longer side is welded to the side wall of the first shell side cylinder 11. Both the supporting effect of the supporting plate 114 is increased and the area occupied by the supporting plate 114 in the first shell side cylinder 11 is reduced.

Further, the side wall of the first shell side cylinder 11 is provided with:

A pressure gauge port 111 for connecting a pressure gauge to detect the pressure in the reboiler;

With the lamp mirror 112, the vaporization state in the reboiler can be observed by the lamp mirror 112.

Specifically, a pressure gauge port 111 is arranged on the side wall of the first shell side cylinder 11, the pressure gauge port 111 is connected with a pressure gauge, and the pressure in the reboiler is detected through the connected pressure gauge; the device is also provided with a lamp sight glass 112, so that the vaporization condition in the reboiler can be clearly observed through the lamp sight glass 112, and the pressure detected by the pressure gauge and the observation condition of the lamp sight glass 112 provide references for adjusting the working state of the reboiler.

More specifically, the pressure gauge port 111 is provided in a position below the middle of the first shell-side cylinder 11, obliquely downward penetrating into the first shell-side cylinder 11, and the arrangement of the pressure gauge port 111 obliquely downward can reduce the blocking effect of the portion penetrating into the first shell-side cylinder 11 on the gas, and can detect the pressure at a position closer to the lower cylinder 2. The lamp-carrying view mirror 112 is arranged on one side of the first shell-side cylinder 11 opposite to the pressure gauge opening 111, and the position near the middle of the first shell-side cylinder 11 can clearly observe the vaporization condition in the reboiler through the lamp-carrying view mirror 112.

Further, a steam outlet 122 is arranged at the top end of the first sealing head 12, and is used for discharging steam generated after the material is heated and gasified;

The circular arc wall of the first seal head 12 is provided with a liquid level meter opening 121 for setting a liquid level meter to detect the liquid level of steam condensate in the reboiler.

Specifically, during the operation of the reboiler, chemical materials are vaporized in the lower cylinder 2, the vaporized gas enters the upper cylinder 1, and then is discharged from the steam outlet 122 to enter the desuperheater after passing through the demister 113, so as to participate in the operation in the tower. At the same time, the steam introduced into the lower cylinder 2 is converted into condensate in the process of heat exchange with chemical materials, and the liquid level of the steam condensate in the reboiler can be detected at any time through the liquid level meter arranged at the liquid level meter port 121, so that the working efficiency of the reboiler is prevented from being influenced by excessive or insufficient condensate.

More specifically, the top of the first seal head 12 is provided with a steam outlet 122, a circular arc wall is formed downwards along the steam outlet 122, the tail end of the circular arc wall is connected to the first shell side cylinder 11, and a liquid level meter opening 121 is formed in the circular arc wall and is used for placing a liquid level meter so as to detect the liquid level of steam condensate in the reboiler.

Further, an ear seat 131 is arranged on the arc wall of the second seal head 13, and the reboiler can be lifted up through the ear seat 131; the ear seat 131 is provided with a grounding plate 132 for guiding charges generated in the reboiler operation engineering to the ground.

Specifically, in the process of installing the upper cylinder 1 on the lower cylinder 2, it is necessary to hoist the upper cylinder 1, and the upper cylinder 1 is hoisted to be in butt joint with the lower cylinder 2 by the ear mount 131 provided on the second head 13, and then fastened and connected by a flange. During the operation of the reboiler, the materials in the reboiler generate corresponding static electricity when being up and down, and the generated static electricity is led into the ground through the grounding plate 132, so that the danger of explosion caused by the static electricity generated during the operation is prevented.

More specifically, the bottom end of the second sealing head 13 is provided with an inlet of steam after the material is vaporized, an arc wall is formed upwards along the inlet, and an ear seat 131 is arranged outside the arc wall. In this embodiment, the ear seat 131 is approximately triangular, and is welded on a side surface of the circular arc wall, the radian of the side surface is the same as that of the circular arc wall, so that the ear seat 131 is welded on the second seal head 13 more closely, and a vertically downward bending section is arranged at the lower end of the side surface; the other inclined surface, the upper end is connected to the arc wall, then incline downwards, form a vertical downward bending section at the end; the two vertically downward bending sections are arranged in parallel, so that the bearing capacity of the ear mount 131 can be increased.

Further, the lower cylinder 2 includes: the shell-side shell comprises a second shell-side shell body 22, a lower pipe box short circuit 24 and a third sealing head 25, wherein the lower pipe box short circuit 24 is arranged at the lower end of the second shell-side shell body 22, the lower end of the lower pipe box short circuit 24 is connected with the third sealing head 25, and the second shell-side shell body 22 and the lower pipe box short circuit 24 are connected through flange fastening.

The lower end of the second shell side cylinder 22 is provided with a lower tube plate 23, and the lower tube plate 23 is connected with the upper end of a lower tube box short joint 24 through a flange; a heat exchange cavity is formed between the upper tube plate 21 and the lower tube plate 23, and a baffle plate, a distance tube and a heat exchange tube are arranged in the heat exchange cavity.

Specifically, the lower cylinder 2 comprises a second shell-side cylinder 22, a lower pipe box short circuit 24 and a third sealing head 25, wherein the lower end of the lower pipe box short circuit 24 is connected with the second shell-side cylinder 22, and the lower end of the lower pipe box short circuit 24 and the second shell-side cylinder are fixedly connected through a flange; the upper end of the lower pipe box short circuit 24 is connected with a third seal head 25, and the upper end and the third seal head are connected together in a welding mode.

In the present embodiment, an upper tube plate 21 is provided at the upper end of the second shell-side cylinder 22, and the second shell-side cylinder 22 is fixedly connected with the upper cylinder 1 through an upper tube plate flange 211 provided on the upper tube plate 21; the lower end of the second shell-side cylinder 22 is provided with a lower tube plate 23, a lower tube plate flange 231 is arranged on the lower tube plate 23, a lower tube box short joint 24 is connected next to the lower part of the second shell-side cylinder 22, a second short joint flange 241 is arranged at one outward end of the lower tube box short joint 24, and the second shell-side cylinder 22 is fixedly connected with the second short joint flange 241 of the lower tube box short joint 24 through the lower tube plate flange 231 of the lower tube plate 23.

In the present embodiment, the second shell side cylinder 22 is provided with: a vapor inlet 221, a condensate outlet 222, a vent 224, and a vent 223; the steam inlet 221 and the condensate outlet 222 are located on opposite sidewalls of the second shell-side cylinder 22, respectively. A material inlet 242 is arranged on the side wall of the lower pipe box short circuit 24, and a material outlet 251 is arranged on the top of the third sealing head 25 and used for discharging the processed material.

Specifically, a heat exchange space is formed between the upper tube plate 21 and the lower tube plate 23 arranged on the second shell-side cylinder 22, a plurality of heat exchange tubes are arranged in the heat exchange space, the upper ends and the lower ends of the heat exchange tubes are respectively welded on the upper tube plate 21 and the lower tube plate 23, an upper outlet penetrating through the upper tube plate 21 is formed at the upper ends of the heat exchange tubes, a lower inlet penetrating through the lower tube plate 23 is formed at the lower ends of the heat exchange tubes, and a baffle plate and a distance tube are further arranged in the heat exchange cavity.

More specifically, baffle plates are arranged in the heat exchange cavity at equal intervals from top to bottom, a plurality of baffle plates are mutually parallel and are arranged on the inner wall of the shell side cylinder at intervals in a staggered manner, and the heat exchange tube bundles penetrate through the baffle plates; the upper tube plate 21 is fixedly connected with a plurality of distance tubes, the baffle plate is fixedly connected with the distance tubes, steam enters from the steam inlet 221, the baffle plate and materials in the heat exchange tubes are bypassed to exchange heat sufficiently, a steam condensation phenomenon can be generated in the heat exchange process, and the condensate outlet 222 is used for discharging condensate water. In addition, the second shell side cylinder 22 is also provided with a drain hole 223 penetrating into the lower side of the heat exchange space, so as to facilitate equipment maintenance; a vent 224 is also provided for venting non-condensable gases in the reboiler second shell side drum 22, the output of the vent 224 being connected to the flare stack by a flare line.

More specifically, an expansion joint 225 is arranged on the second shell-side cylinder 22, and the expansion joint 225 has large axial flexibility and is easy to deform, so that the thermal expansion difference generated by the large temperature difference of the tube bundle and the cylinder can be compensated, the axial load of the tube bundle and the cylinder can be reduced, and the temperature difference stress of the tube, the tube plate and the shell can be reduced, and the damage caused by strength damage, instability damage and tube pull-out damage can be avoided. In the present embodiment, the steam inlet 221 and the condensate outlet 222 are disposed on opposite side walls of the second shell-side cylinder 22 at the upper portion of the expansion joint 225, and the condensate outlet 222 is closer to the upper tube plate 21; the vent 224 and the vent 223 are provided on opposite side walls of the second shell-side cylinder 22 at the lower portion of the expansion joint 225, and the vent 223 is closer to the lower tube sheet 23.

In this embodiment, the process for manufacturing the single-column reboiler is as follows: firstly, welding components such as a first shell side cylinder 11, a second shell side cylinder 22, a sealing head, a pipe box short circuit and the like for standby; the pipe box short circuit comprises an upper pipe box short circuit 14 and a lower pipe box short circuit 24; secondly, an upper tube plate 21 and a lower tube plate 23 with heat exchange tube holes are manufactured for standby use; thirdly, a supporting piece is arranged in the first shell side cylinder 11 for standby; fourthly, connecting the upper tube plate 21 with the heat exchange tubes, and fixing the pull rods, the distance tubes and the baffle plates with the upper tube plate 21; fifthly, hanging the component manufactured in the fourth step into a second shell-side cylinder 22, and performing electric welding fixation on the contact part of the upper tube plate 21 and the second shell-side cylinder 22; sixthly, the lower tube plate 23 and the heat exchange tube are matched and installed, and the contact part of the lower tube plate 23 and the cylinder body is fixed by electric welding; seventh, the third sealing head 25 and the short joint 24 of the lower tube box are fixed by electric welding and then are connected with the flange 231 of the lower tube plate in a fastening way; eighth, the demister 113 is mounted between the first shell-side cylinder 11: ninth, the upper cylinder 1 after the installation is lifted and placed on the lower cylinder 2, and the shorting flange of the upper pipe box shorting 14 is fastened and connected with the flange of the upper pipe plate 21.

In the manufacturing process, the diameter of the first shell-side cylinder 11 is larger than that of the second shell-side cylinder 22, and the diameters of the first seal head 12 and the second seal head 13 are the same as those of the first shell-side cylinder 11; the diameter of the third sealing head 25 and the short circuit of the pipe box is the same as that of the second shell side cylinder 22.

Through the steps, the whole reboiler is assembled, and a reboiler with the diameter of the upper cylinder body 1 being larger than that of the lower cylinder body 2 is formed.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present utility model can be further combined or replaced by the equivalent embodiment without departing from the scope of the technical solution of the present utility model.

Claims (10)

1. A single-column reboiler comprising:

The diameter of the upper cylinder is larger than that of the lower cylinder, and two adjacent ends of the upper cylinder and the lower cylinder are fastened and connected through a flange;

and a foam remover is arranged in the upper cylinder and is used for removing bubbles carried in the gasified gas.

2. The single-column reboiler according to claim 1, wherein,

The upper cylinder body lower extreme is equipped with the pipe box nipple, the outward one end of pipe box nipple is equipped with first nipple flange, lower part cylinder upper end is equipped with the upper tube sheet, the upper tube sheet is equipped with the upper tube sheet flange, the upper cylinder body with the lower part cylinder is through the first nipple flange of pipe box nipple and the upper tube sheet flange fastening connection of upper tube sheet.

3. The single-column reboiler according to claim 2, wherein,

The upper cylinder includes: the sealing head comprises a first sealing head and a second sealing head, the first sealing head is arranged at the upper end of the first shell side barrel, and the second sealing head is arranged between the first shell side barrel and the short circuit of the upper pipe box.

4. The single-column reboiler as recited in claim 3, wherein,

The demister is arranged on the upper part of the first shell-side cylinder body and is close to the joint of the first sealing head and the first shell-side cylinder body.

5. The single-column reboiler according to claim 4, wherein,

The first shell side barrel inner wall is provided with a supporting plate, and the upper surface of the supporting plate is in contact with the lower surface of the demister and used for supporting the demister.

6. The single-column reboiler as recited in claim 5, wherein,

The side wall of the first shell side cylinder body is provided with:

The pressure gauge port is used for being connected with a pressure gauge so as to detect the pressure in the reboiler;

The vaporization state in the reboiler can be observed through the lamp mirror.

7. A single-column reboiler as claimed in claim 3, wherein:

the top end of the first sealing head is provided with a steam outlet for discharging steam generated after the material is heated and gasified;

And a liquid level meter opening is formed in the circular arc wall of the first sealing head and used for setting a liquid level meter to detect the liquid level of steam condensate in the reboiler.

8. A single-column reboiler as claimed in claim 3, wherein:

The arc wall of the second seal head is provided with an ear seat through which the reboiler can be lifted;

The ear seat is provided with a grounding plate for guiding charges generated in the working process of the reboiler into the ground.

9. The desuperheater reboiler of claim 2, wherein:

The lower cylinder includes: the shell-side shell comprises a second shell-side shell body, a lower pipe box short circuit and a third sealing head, wherein the lower end of the second shell-side shell body is connected with the lower end of the lower pipe box short circuit through a flange in a fastening mode, and the lower end of the lower pipe box short circuit is connected with the third sealing head.

10. The desuperheater reboiler of claim 9, wherein:

The lower end of the second shell side cylinder body is provided with a lower tube plate, and the lower tube plate is connected with the upper end of the short circuit of the lower tube box through a flange; a heat exchange cavity is formed between the upper tube plate and the lower tube plate, and a baffle plate, a distance tube and a heat exchange tube are arranged in the heat exchange cavity.