CN104436713A

CN104436713A - Reboiler

Info

Publication number: CN104436713A
Application number: CN201410627549.3A
Authority: CN
Inventors: 黄秀琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-07
Filing date: 2014-11-07
Publication date: 2015-03-25

Abstract

The invention discloses a reboiler which comprises a tank body, a first spacer plate, a second spacer plate and row tubes, wherein a horizontal third spacer plate is arranged at the lower part of the tank body; a lower backflow bin is formed by the third spacer plate and the bottom of the tank body; a spacer plate is arranged in the lower backflow bin, and the lower backflow bin is separated into a left cavity and a right cavity by the spacer plate; the second spacer plate is horizontally arranged above the third spacer plate; a second-stage heating area is formed between the third spacer plate and the second spacer plate; the row tubes and longitudinal baffles are vertically arranged in the second-stage heating area; a first-stage heating area is formed by the first spacer plate and the upper end of the tank body; a coil pipe is arranged in the first-stage heating area; the upper end of the coil pipe is connected with an air outlet, and the lower end of the coil pipe is provided with a secondary air inlet. According to the reboiler, two stages of heating devices are arranged, and a material is primarily heated by the first-stage heating device, so that the utilization rate of energy is effectively improved; the plurality of groups of row tubes are arranged at the same time, so that the heat exchange tube pass is increased, and the volume of the reboiler is reduced under the condition of the same heat exchange efficiency.

Description

A kind of reboiler

Technical field

The present invention relates to field of heat exchangers, specifically a kind of reboiler.

Background technology

Reboiler is usually adopted to utilize fully energy in most of refinery, but shell and tube reboiler conventional is at present one-level heater mostly just, heat energy can not be utilized fully, and its single heat exchange pipe range of more existing shell and tube reboilers, the length how reducing again single heat exchanger tube while improving heat exchange efficiency is a problem needing consideration.

Summary of the invention

The object of the present invention is to provide a kind of structure simple, can less reboiler volume and can the reboiler of Multi-stage heating, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the invention provides following technical scheme:

A kind of reboiler, comprises tank body, the first dividing plate, second partition and tubulation, the bottom of described tank body is provided with the 3rd dividing plate of level, storehouse of refluxing is formed down on the bottom of the 3rd dividing plate and tank body, a dividing plate is provided with in lower backflow storehouse, lower backflow storehouse is divided into two cavitys in left and right by dividing plate, the upper horizontal of the 3rd dividing plate is provided with second partition, 3rd forms the secondary thermal treatment zone between dividing plate and second partition, be vertically provided with tubulation and longitudinal baffle in the secondary thermal treatment zone, the top of second partition is located at by described first dividing plate, warehouse on encircling a city between first dividing plate and second partition, two dividing plates are provided with in upper warehouse, upper warehouse is divided into three cavitys by two dividing plates, the right side of the 3rd cavity is provided with tube side outlet, the first dividing plate above first cavity offers tube side import, the upper end of the first dividing plate and tank body forms the one-level thermal treatment zone, one-level is provided with coiled pipe in the thermal treatment zone, the upper end of coiled pipe connects exhaust outlet, lower end is provided with secondary air inlet mouth, in addition, the upper surface of tank body is also provided with charging aperture, the left side central portion of tank body is provided with thermal-insulation connecting piece, the upper end connecting secondary air inlet of thermal-insulation connecting piece, the lower end of thermal-insulation connecting piece connects an exhaust outlet, an exhaust outlet is located at the left side of tank body, and exhaust outlet is positioned at the below of second partition, the lower right side of tank body is provided with air inlet, air inlet is positioned at the top of the 3rd dividing plate, wherein, between described second partition with the 3rd dividing plate, corresponding tubulation is provided with several tubulation holes, and tubulation two ends are installed in tubulation hole, and the junction in tubulation and tubulation hole is provided with seal washer, four groups of tubulations are interval with in the horizontal direction in the described secondary thermal treatment zone, often organize tubulation and be longitudinally at least provided with two along level, wherein, longitudinal baffle is provided with between two groups of often adjacent tubulations, first longitudinal baffle is arranged between first group of tubulation and second group of tubulation, second longitudinal baffle is arranged between second group of tubulation and the 3rd group of tubulation, 3rd longitudinal baffle is arranged between the 3rd group of tubulation and the 4th group of tubulation, the openend of two adjacent longitudinal baffles is separately positioned on two end opposite, the openend of the first longitudinal baffle and the 3rd longitudinal baffle is arranged on lower end, the openend of the second longitudinal baffle is arranged on upper end, in addition, each described chamber communicates with the two ends of tubulation, wherein top the first chamber communicates with first group of tubulation, top the second chamber communicates with second group of tubulation and the 3rd group of tubulation, top the 3rd chamber communicates with the 4th group of tubulation, left chamber and first group of tubulation of below and communicating of second group of tubulation, communicating of the right chamber of below and the 3rd group of tubulation and the 4th group of tubulation.

As the further scheme of the present invention: the periphery of the described one-level thermal treatment zone is provided with heat-insulation layer.

As the further scheme of the present invention: described coiled pipe helical disk is located in the one-level thermal treatment zone.

Beneficial effect of the present invention is: the present invention is provided with two-step heating device, one-level heater makes material tentatively be heated, effectively raise the utilization rate of energy, the many groups tubulation simultaneously arranged, add heat exchange tube side, the volume of reboiler is reduced in equal heat exchanger effectiveness lower volume.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of reboiler;

Fig. 2 is the schematic cross-section of tubulation in a kind of reboiler.

In figure: 1, tank body; 2, the 4th group of tubulation; 3, second partition; 4, tube side outlet; 5, the first dividing plate; 6, heat-insulation layer; 7, coiled pipe; 8, the one-level thermal treatment zone; 9, exhaust outlet; 10, charging aperture; 11, secondary air inlet mouth; 12, thermal-insulation connecting piece; 13, upper warehouse; 14, an exhaust outlet; 15, first group of tubulation; 16, the first longitudinal baffle; 17, second group of tubulation; 18, the 3rd dividing plate; 19, cavity; 20, lower end housing; 21, dividing plate; 22, the 3rd group of tubulation; 23, the second longitudinal baffle; 24, the 3rd longitudinal baffle; 25, air inlet; 26, tube side import.

Detailed description of the invention

Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.

Refer to Fig. 1-2, a kind of reboiler, comprise tank body 1, first dividing plate 5, second partition 3 and tubulation, the bottom of described tank body 1 is provided with the 3rd dividing plate 18 of level, 3rd dividing plate 18 forms down with the bottom of tank body 1 storehouse of refluxing, a dividing plate 21 is provided with in lower backflow storehouse, lower backflow storehouse is divided into two cavitys 19 in left and right by dividing plate 21, the upper horizontal of the 3rd dividing plate 18 is provided with second partition 3, form the secondary thermal treatment zone between 3rd dividing plate 18 and second partition, in the secondary thermal treatment zone, be vertically provided with tubulation and longitudinal baffle, the top of second partition 3 is located at by described first dividing plate 5, warehouse 13 on encircling a city between first dividing plate 5 and second partition 3, two dividing plates 21 are provided with in upper warehouse 13, upper warehouse 13 is divided into three cavitys 19 by two dividing plates 21, the right side of the 3rd cavity is provided with tube side outlet 4, the first dividing plate 5 above first cavity 19 offers tube side import 26, first dividing plate 5 forms the one-level thermal treatment zone 8 with the upper end of tank body 1, the periphery of the one-level thermal treatment zone 8 is provided with heat-insulation layer 6, coiled pipe 7 is provided with in the one-level thermal treatment zone 8, coiled pipe 7 helical disk is located in the one-level thermal treatment zone 8, the upper end of coiled pipe 7 connects exhaust outlet 9, lower end is provided with secondary air inlet mouth 11, in addition, the upper surface of tank body 1 is also provided with charging aperture 10, the left side central portion of tank body 1 is provided with thermal-insulation connecting piece 12, the upper end connecting secondary air inlet 11 of thermal-insulation connecting piece 12, the lower end of thermal-insulation connecting piece 12 connects an exhaust outlet 14, an exhaust outlet 14 is located at the left side of tank body 1, and exhaust outlet 14 is positioned at the below of second partition 3, the lower right side of tank body 1 is provided with air inlet 25, air inlet 25 is positioned at the top of the 3rd dividing plate 18, wherein, between described second partition 5 with the 3rd dividing plate 18, corresponding tubulation is provided with several tubulation holes, and tubulation two ends are installed in tubulation hole, and the junction in tubulation and tubulation hole is provided with seal washer, four groups of tubulations are interval with in the horizontal direction in the described secondary thermal treatment zone, often organize tubulation and be longitudinally at least provided with two along level, wherein, longitudinal baffle is provided with between two groups of often adjacent tubulations, first longitudinal baffle 16 is arranged between first group of tubulation 15 and second group of tubulation 17, second longitudinal baffle 23 is arranged between second group of tubulation 17 and the 3rd group of tubulation 22, 3rd longitudinal baffle 24 is arranged between the 3rd group of tubulation 22 and the 4th group of tubulation 2, the openend of two adjacent longitudinal baffles is separately positioned on two end opposite, the openend of the first longitudinal baffle 16 and the 3rd longitudinal baffle 24 is arranged on lower end, the openend of the second longitudinal baffle 23 is arranged on upper end, in addition, each described chamber 19 communicates with the two ends of tubulation, wherein top the first chamber 19 communicates with first group of tubulation 15, top the second chamber 19 communicates with second group of tubulation 17 and the 3rd group of tubulation 22, top the 3rd chamber 19 communicates with the 4th group of tubulation 2, left chamber 19 and first group of tubulation 15 of below and communicating of second group of tubulation 17, communicating of the right chamber 19 of below and the 3rd group of tubulation 22 and the 4th group of tubulation 2, in work, steam enters in the secondary thermal treatment zone from air inlet 25, thermal-insulation connecting piece 12 is entered from an exhaust outlet 14 after longitudinal baffle baffling, then enter in the helical form coiled pipe 7 in the one-level thermal treatment zone and finally discharge from exhaust outlet 9, need the medium of heat exchange to enter in the one-level thermal treatment zone from feed pipe inlet 10 and carry out heat exchange, then enter in the first cavity 19 of top from tube side import 26 and then enter tube side, through the baffling of several cavity 19, final medium is got rid of from tube side outlet 4, complete heat exchange, the setting of Multi-stage heating makes the utilization of energy more abundant, be provided with multilayer tubulation simultaneously, add heat exchange tube layer, reduce the volume of reboiler.

Below only describe the present invention with embodiment, but the present invention is not limited to above-mentioned size and outward appearance illustration, more should form any restriction of the present invention.As long as any improvement do the present invention or modification all belong within the protection domain of the claims in the present invention opinion.

Claims

1. a reboiler, comprises tank body (1), the first dividing plate (5), second partition (3) and tubulation, it is characterized in that: the bottom of described tank body (1) is provided with the 3rd dividing plate (18) of level, 3rd dividing plate (18) forms down with the bottom of tank body (1) storehouse of refluxing, a dividing plate (21) is provided with in lower backflow storehouse, lower backflow storehouse is divided into two cavitys (19) in left and right by dividing plate (21), the upper horizontal of the 3rd dividing plate (18) is provided with second partition (3), form the secondary thermal treatment zone between 3rd dividing plate (18) and second partition, in the secondary thermal treatment zone, be vertically provided with tubulation and longitudinal baffle, described first dividing plate (5) is located at the top of second partition (3), warehouse (13) on encircling a city between first dividing plate (5) and second partition (3), two dividing plates (21) are provided with in upper warehouse (13), upper warehouse (13) is divided into three cavitys (19) by two dividing plates (21), the right side of the 3rd cavity is provided with tube side outlet (4), first dividing plate (5) of the first cavity (19) top offers tube side import (26), first dividing plate (5) forms the one-level thermal treatment zone (8) with the upper end of tank body (1), coiled pipe (7) is provided with in the one-level thermal treatment zone (8), the upper end of coiled pipe (7) connects exhaust outlet (9), lower end is provided with secondary air inlet mouth (11), in addition, the upper surface of tank body (1) is also provided with charging aperture (10), the left side central portion of tank body (1) is provided with thermal-insulation connecting piece (12), upper end connecting secondary air inlet (11) of thermal-insulation connecting piece (12), the lower end of thermal-insulation connecting piece (12) connects an exhaust outlet (14), an exhaust outlet (14) is located at the left side of tank body (1), and exhaust outlet (14) is positioned at the below of second partition (3), the lower right side of tank body (1) is provided with air inlet (25), air inlet (25) is positioned at the top of the 3rd dividing plate (18), wherein, between described second partition (5) with the 3rd dividing plate (18), corresponding tubulation is provided with several tubulation holes, and tubulation two ends are installed in tubulation hole, and the junction in tubulation and tubulation hole is provided with seal washer, four groups of tubulations are interval with in the horizontal direction in the described secondary thermal treatment zone, often organize tubulation and be longitudinally at least provided with two along level, wherein, longitudinal baffle is provided with between two groups of often adjacent tubulations, first longitudinal baffle (16) is arranged between first group of tubulation (15) and second group of tubulation (17), second longitudinal baffle (23) is arranged between second group of tubulation (17) and the 3rd group of tubulation (22), 3rd longitudinal baffle (24) is arranged between the 3rd group of tubulation (22) and the 4th group of tubulation (2), the openend of two adjacent longitudinal baffles is separately positioned on two end opposite, the openend of the first longitudinal baffle (16) and the 3rd longitudinal baffle (24) is arranged on lower end, the openend of the second longitudinal baffle (23) is arranged on upper end, in addition, each described chamber (19) communicates with the two ends of tubulation, wherein top the first chamber (19) communicates with first group of tubulation (15), top the second chamber (19) communicates with second group of tubulation (17) and the 3rd group of tubulation (22), top the 3rd chamber (19) communicates with the 4th group of tubulation (2), left chamber (19) and first group of tubulation (15) of below and communicating of second group tubulation (17), communicating of the right chamber (19) of below and the 3rd group of tubulation (22) and the 4th group tubulation (2).

2. a kind of reboiler according to claim 1, is characterized in that: the periphery of the described one-level thermal treatment zone (8) is provided with heat-insulation layer (6).

3. a kind of reboiler according to claim 1, is characterized in that: described coiled pipe (7) helical disk is located in the one-level thermal treatment zone (8).