CN218280605U

CN218280605U - Reboiler device for 2B oil rectification

Info

Publication number: CN218280605U
Application number: CN202220647602.6U
Authority: CN
Inventors: 顾国萍; 俞卫祥; 叶晓健; 张玉超; 聂京; 王昌盛
Original assignee: ZHEJIANG YOULIAN CHEMICAL INDUSTRY CO LTD
Current assignee: ZHEJIANG YOULIAN CHEMICAL INDUSTRY CO LTD
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2023-01-13
Anticipated expiration: 2032-03-23

Abstract

The utility model provides a reboiler device of 2B oil rectification, including the reboiler body, its characterized in that still including the cecum head of locating reboiler body one end and the business turn over material head of locating the reboiler body other end, the inboard of cecum head is equipped with first baffle, and the inboard of business turn over material head is equipped with the second baffle, cecum head, business turn over material head are connected through first baffle and second baffle divided one-way number with the reboiler body and are 4 journey/time at least. The utility model adopts a more corrosion-resistant material, effectively prevents the corrosion of high-temperature materials to the equipment, and ensures the service life of the whole device; the single pass number is increased by only one pass through the first baffle and the second baffle, the heat source is replaced in multiple layers, and the heat exchange effect of each part in the reboiler device can be ensured by using steam; use DCS chain control cooperation steam trap's use, promote control accuracy, effectively improve the availability factor of steam.

Description

Reboiler device for 2B oil rectification

Technical Field

The utility model relates to a reboiler device field particularly, relates to a reboiler device of 2B oil rectification.

Background

The requirement of the 2B oil rectification system on a reboiler device is that the system circulates in large flow; secondly, the heat is transferred rapidly and evenly. A reboiler used in the existing system conventionally adopts a 316L material and a heat source as heat conduction oil, and further improvement is needed because the crude 2B oil belongs to a chlorine-containing material, the high flow rate and the high temperature are unfavorable for corrosion of the 316L material, and the heat conduction oil as the heat source has the phenomenon of uneven heating.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a reboiler device for 2B oil rectification to improve the above problems.

The embodiment of the utility model provides a reboiler device of 2B oil rectification, including the reboiler body, still including the blind end head of locating reboiler body one end and the business turn over material head of locating the reboiler body other end, the inboard of blind end head is equipped with first baffle, and the inboard of business turn over material head is equipped with the second baffle, blind end head, business turn over material head are connected through first baffle and second baffle divided one-way number with the reboiler body and are 4 journey/time at least.

Furthermore, the inner side of the blind end seal head is uniformly divided into two independent spaces with the same height by the first baffle.

Furthermore, the two second baffles divide the inner side of the feeding and discharging end socket into three independent spaces.

Further, the reboiler body is shell and tube reboiler, including a shell and tube layer, in the shell was located on the tube layer, the upside left end of shell was equipped with steam inlet, and the downside right-hand member of shell is equipped with the export of steam condensate.

Further, the upside of business turn over material head is equipped with the discharge gate, and the downside is equipped with the feed inlet, same upside is located with steam inlet to the discharge gate, and same downside is located with the export of steam condensate to the feed inlet.

Furthermore, the two second baffles are respectively arranged at the positions of 1/4 height and 3/4 height of the vertical feed port.

Furthermore, the blind end sealing head is connected with the reboiler body, and the feeding and discharging sealing head is connected with the reboiler body through fasteners.

Furthermore, the upper end of the steam inlet is connected with a pressure transmitter and a regulating valve through a conduit.

Furthermore, the lower end of the steam condensate outlet is connected with a steam trap through a conduit.

Furthermore, the shell layers of the pressure transmitter, the steam trap, the regulating valve and the reboiler body are connected to form a control system of a heat source, a DCS control system is adopted to manufacture a control loop, the pressure of the shell layer is interlocked with the steam regulating valve, and the temperature in the shell layer of the reboiler is ensured; the use of the steam trap ensures that water condensed in the shell is drained out of the system in time.

Furthermore, the reboiler body adopts N10276 material, and the business turn over material head adopts N10276 material, and dead end head and shell adopt Q345 material.

Has the beneficial effects that:

1. the utility model adopts a more corrosion-resistant material, effectively prevents the corrosion of high-temperature materials to the equipment, and ensures the service life of the whole device;

2. the single pass number is increased by only one pass through the first baffle and the second baffle, the heat source is replaced in multiple layers, and the heat exchange effect of each part in the reboiler device can be ensured by using steam;

3. use DCS interlocking control cooperation steam trap's use, promote the control accuracy, effectively improve the availability factor of steam.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Figure 1 is an overall view of the reboiler apparatus of the present invention.

Fig. 2 is a structural diagram of the reboiler apparatus of the present invention.

Fig. 3 is the inboard structure chart of dead end head of the utility model.

Fig. 4 is a side view of the blind end head of the present invention.

Figure 5 is the inboard structure chart of business turn over material head of the utility model.

Fig. 6 is a side view of the feeding and discharging head of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The present invention will be described in further detail with reference to fig. 1 to 6 and the following detailed description:

example 1

The embodiment provides a reboiler device of 2B oil rectification, including reboiler body 10, still including locating the blind end head 20 of reboiler body one end and locating the business turn over material head 30 of the reboiler body other end, the inboard of blind end head 20 is equipped with first baffle 21, and the inboard of business turn over material head 30 is equipped with second baffle 31, blind end head 20, business turn over material head 30 are connected through first baffle 21 and the separated one-way number of second baffle 31 with reboiler body 10 and are 4 journey/time at least.

The inner side of the blind end head 20 is uniformly divided into two independent spaces with the same height by the first baffle 21.

The two second baffles 31 divide the inner side of the feeding and discharging end socket 30 into three independent spaces.

Reboiler body 10 is shell and tube reboiler, including a shell 11 and pipe layer 12, pipe layer 12 is located in shell 11, and the upside left end of shell 11 is equipped with steam inlet 13, and the downside right-hand member of shell is equipped with steam condensate outlet 14. Spare parts 15 for fixing the reboiler body 10 are symmetrically arranged at two ends of the lower side of the reboiler body 10, and the spare parts 15 can adopt supporting legs or connecting pieces.

The upside of business turn over material head 30 is equipped with discharge gate 32, and the downside is equipped with feed inlet 33, same upside is located with steam inlet 13 to discharge gate 32, and same downside is located with steam condensate outlet 14 to feed inlet 33.

The two second baffle plates 21 are respectively arranged at the positions of 1/4 and 3/4 of the height of the feed inlet.

The blind end head 20 and the reboiler body 10, the feeding and discharging head 30 and the reboiler body 10 are all connected through fasteners, a plurality of small holes are formed in the openings of the blind end head 20 and the feeding and discharging head 30 and the peripheries of two ends of the reboiler body 10, and the connecting pieces can be bolts made of corrosion-resistant and wear-resistant materials.

In the preferred embodiment, two second baffles 31 are arranged inside the feeding and discharging end socket 30, and the second baffles 31 are installed in a manner that one full-welding type second baffle 31 is respectively installed at 1/4 height and 3/4 height perpendicular to the steam inlet 13.

A first baffle 21 is arranged inside the blind end sealing head 20, and a fully-welded first baffle 21 is mounted in the blind end sealing head 20 in the mode of collision avoidance of a second baffle 21. The one-way reboiler body 10 is changed into 4 continuous ways through the second baffle 31 in the feeding and discharging end socket 30 and the first baffle 21 in the blind end socket 20, so that the retention time of the 2B oil in the reboiler body 10 is effectively increased, and the heat exchange effect is enhanced.

Example 2

The present embodiment is different from embodiment 1 in that a pressure transmitter 40 and a regulating valve 50 are connected to an upper end of the steam inlet 13 through a pipe.

The lower end of the steam condensate outlet 14 is connected with a steam trap 60 through a conduit.

The pressure transmitter 40, the regulating valve 50, the steam trap 60 and the shell layer 11 of the reboiler body 10 are connected to form a control system of a heat source, a DCS control system is adopted to manufacture a control loop, the pressure of the shell layer 11 is interlocked with the regulating valve 50, and the temperature in the shell layer 11 is ensured; the use of steam trap 60 ensures that water condensed in the shell is removed from the reboiler apparatus in a timely manner.

The regulating valve 50 is arranged at a steam inlet 13 of the shell layer 11 and is connected with the shell layer 11, the pressure transmitter 40 is arranged between the regulating valve 50 and the shell layer 11, and the steam trap 60 is arranged at a steam condensate outlet 14 of the shell layer 11

In this embodiment, the steam used in the shell 11 is saturated medium pressure steam of 2.3-2.5Mpa, including but not limited to medium pressure steam of the above pressures.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a reboiler device of 2B oil rectification, includes the reboiler body, its characterized in that, still including the blind end head of locating reboiler body one end and the business turn over material head of locating the reboiler body other end, the inboard of blind end head is equipped with first baffle, and the inboard of business turn over material head is equipped with the second baffle, blind end head, business turn over material head are connected through first baffle and the separated one-way number of second baffle for 4 journey/time at least with the reboiler body.

2. The reboiler device for 2B oil rectification according to claim 1 wherein the first baffle uniformly divides the inside of the blind end head into two separate spaces of equal height.

3. The reboiler device for 2B oil rectification according to claim 1 wherein the two second baffles separate the inside of the feed and discharge head into three separate spaces.

4. The reboiler device for 2B oil rectification according to claim 1, wherein the reboiler body is a tubular reboiler, and comprises a shell layer and a tube layer, the tube layer is arranged in the shell layer, a steam inlet is arranged at the left end of the upper side of the shell layer, and a steam condensate outlet is arranged at the right end of the lower side of the shell layer.

5. The reboiler device for 2B oil rectification according to claim 1, wherein the upper side of the feeding and discharging seal head is provided with a discharge port, the lower side is provided with a feed port, the discharge port and the steam inlet are arranged on the same upper side, and the feed port and the steam condensate outlet are arranged on the same lower side.

6. The reboiler device for 2B oil rectification according to claim 1, wherein the two second baffles are respectively provided at a vertical 1/4 height and 3/4 height of the feed inlet.

7. The reboiler device of claim 1 wherein the blind end head is connected to the reboiler body and the feed and discharge head is connected to the reboiler body by fasteners.

8. The reboiler apparatus for 2B oil rectification according to claim 4, wherein the upper end of the steam inlet is connected with a pressure transmitter and a regulating valve through a conduit; the lower end of the steam condensate outlet is connected with a steam trap through a guide pipe.

9. The reboiler device for 2B oil rectification according to claim 8, wherein the pressure transmitter, the steam trap, the regulating valve and the shell layer of the reboiler body are connected to form a control system of the heat source, and a DCS control system is used as a control loop.