CN211178050U - Quenching heat exchanger for cooling high-temperature gas behind furnace - Google Patents
Quenching heat exchanger for cooling high-temperature gas behind furnace Download PDFInfo
- Publication number
- CN211178050U CN211178050U CN201921574792.8U CN201921574792U CN211178050U CN 211178050 U CN211178050 U CN 211178050U CN 201921574792 U CN201921574792 U CN 201921574792U CN 211178050 U CN211178050 U CN 211178050U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- tube
- header
- supporting
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a rapid cooling heat exchanger for cooling high-temperature gas behind a furnace, which comprises a material inlet, a header, a supporting beam, a tube plate, supporting angle steel, a heat exchange tube, a supporting plate and a material outlet, wherein the header is of a round-notch structure, and the material inlet and the header are welded by using a hole; the solar heat collector is characterized in that the tube plates are welded on the upper portion of the collecting box in a splicing mode, a supporting beam is arranged between the tube plates and the collecting box, the upper portions of the tube plates are connected with heat exchange tubes, the heat exchange tubes are connected with the tube plates in a welding mode, supporting plates are arranged between the heat exchange tubes, supporting angle steel is used for fixing the supporting plates, the supporting angle steel is welded on the tube plates, and square holes are formed in the middles of the supporting plates. The utility model discloses structural design scientific and reasonable, the manufacture process is simple, and convenient operation and installation have increased heat transfer area, have improved soil rate of utilization and heat exchange efficiency.
Description
Technical Field
The utility model relates to a rapid cooling heat exchanger device, in particular to a rapid cooling heat exchanger for cooling high-temperature gas behind a furnace.
Background
In the synthesis process of tetrafluoroethylene, raw material difluorochloromethane on a tetrafluoroethylene cracking reactor is heated by a steam superheater and then enters a pi-shaped reactor at high temperature, and the difluorochloromethane is subjected to thermal cracking in the reactor to remove hydrogen chloride to prepare the tetrafluoroethylene. The thermal cracking process includes preheating chlorodifluoromethane to 450 deg.c, mixing with 950 deg.c overheat steam and final thermal cracking reaction at 650 deg.c. When the thermal cracking reaction is carried out to prepare tetrafluoroethylene, byproducts such as hexafluoropropylene, octafluorocyclobutane and octafluoroisobutylene are generated, and the chemical stability of the byproducts in a cracking reaction temperature region is poor. Thus, the longer the thermal cracking reaction is in the high temperature zone, the more secondary reaction by-products and the lower the tetrafluoroethylene conversion. In order to increase the conversion rate of tetrafluoroethylene, a quenching heat exchanger is usually used to rapidly cool the generated cracked gas, thereby preventing the generation of secondary reaction by-products. In addition, the heat of the cracked gas in the reaction is recovered and low-pressure steam is generated as a byproduct.
The traditional quenching heat exchanger equipment is only provided with two rows of heat exchange tubes, and the heat exchange tubes are fixed by using U-shaped bolts. Therefore, the heat exchange area of the traditional quenching heat exchanger equipment is small, the heat exchange efficiency is poor, the manufacturing process of the heat exchanger equipment is complex, and the high-efficiency operation of the reaction device is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of complex manufacturing process, small heat exchange area, large volume, low working efficiency and the like of the quenching heat exchanger in the traditional technology, the utility model provides a quenching heat exchanger for cooling high-temperature gas behind a furnace.
The utility model provides a technical scheme that its technical problem adopted is: a rapid cooling heat exchanger for cooling high-temperature gas behind a furnace comprises a material inlet, a collecting box, a supporting beam, a tube plate, supporting angle steel, a heat exchange tube, a supporting plate and a material outlet, wherein the material inlet is arranged at the bottom of the rapid cooling heat exchanger, the collecting box is of a round-notch structure, and the material inlet and the collecting box are welded by using an opening; the heat exchange tube is welded with the tube plate, the tube plate is provided with a square hole, a support beam is arranged between the tube plate and the header, the upper part of the tube plate is connected with a heat exchange tube, the heat exchange tube is connected with the tube plate in a welding manner, the heat exchange tube is a U-shaped heat exchange tube, support plates are arranged between the heat exchange tubes, the support plates are fixed by using support angle steel, the support angle steel is welded on the tube plate, the end sides of the support plates are connected with a slide way, the middle of each support plate is provided with the square hole, and the heat exchange tube penetrates through the square; and the material outlet is welded with the header.
The quenching heat exchanger for cooling the high-temperature gas behind the furnace is provided with 4 material inlets and 2 material outlets.
According to the rapid cooling heat exchanger for cooling high-temperature gas behind the furnace, the tube plate is a square tube plate, and the part of the tube plate, which is longer than the header, is directly placed on the supporting I-shaped steel.
According to the rapid cooling heat exchanger for cooling high-temperature gas behind the furnace, the material inlet end heat exchange tube and the tube plate welding line are arranged on the outer side of the header, and the material outlet end heat exchange tube and the tube plate welding line are arranged on the inner side of the header.
According to the rapid cooling heat exchanger for cooling high-temperature gas after the furnace, the gaps are formed in the parts, not provided with the pipe, of the two sides of the supporting plate.
According to the rapid cooling heat exchanger for cooling high-temperature gas behind the furnace, the heat exchange tube at the inlet side and the tube plate are welded through inner holes, and the heat exchange tube at the outlet side and the tube plate are welded through strength.
The quenching heat exchanger for cooling high-temperature gas behind the furnace is provided with 6-16 heat exchange tubes, and 4-8 support plates.
Compared with the prior art the utility model has the advantages of it is following and outstanding effect:
the utility model has the advantages that the quenching heat exchanger for cooling high-temperature gas after the furnace increases the number of heat exchange tubes per unit area and increases the heat exchange area by arranging the row of heat exchange tubes; the notched supporting plate is used for supporting the heat exchange tube to replace a traditional U-shaped bolt for fixing the heat exchange tube, gaps are formed in the tube distribution parts on two sides of the supporting plate, square holes are formed in the middle tube distribution part, the manufacturing difficulty is reduced, the vacant part of the supporting plate is used as a channel for low-pressure steam to flow upwards, and the heat exchange efficiency is improved; the connection mode of the heat exchange tube and the header is improved, the tube plate on the optimized side is welded with the heat exchange tube, and the tube plate on the inlet side and the heat exchange tube are welded by adopting inner holes, so that the metal wall temperature at the welding seam can be reduced, and the reliability of the welding joint at the welding seam is improved. The utility model discloses structural design scientific and reasonable, the manufacture process is simple, and convenient operation and installation have increased heat transfer area, have improved soil rate of utilization and heat exchange efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view taken along A-A of the present invention;
fig. 3 is a sectional view along B-B of the present invention.
In the figure, 1 is a material inlet, 2 is a header, 3 is a supporting beam, 4 is a tube plate, 5 is a supporting angle steel, 6 is a heat exchange tube, 7 is a supporting plate, 8 is a material outlet, and 9 is a slideway.
Detailed Description
A rapid cooling heat exchanger for cooling high-temperature gas behind a furnace comprises a material inlet 1, a header 2, a supporting beam 3, a tube plate 4, supporting angle steel 5, a heat exchange tube 6, a supporting plate 7 and a material outlet 8, wherein the material inlet 1 is arranged at the bottom of the rapid cooling heat exchanger, the header 2 is of a segmental structure, and the material inlet 1 and the header 2 are welded by using a hole; a tube plate 4 is welded on the upper portion of the header 2 in a splicing mode, a square hole is formed in the tube plate 4, a supporting beam 3 is arranged between the tube plate 4 and the header 2, a heat exchange tube 6 is connected to the upper portion of the tube plate 4, the heat exchange tube 6 is connected with the tube plate 4 in a welding mode, the heat exchange tube 6 is a U-shaped heat exchange tube, supporting plates 7 are arranged between the heat exchange tubes 6, the supporting plates 7 are fixed through supporting angle steel 5, the supporting angle steel 5 is welded on the tube plate 4, the end sides of the supporting plates 7 are connected with a slide 9, a square hole is formed in the middle of each supporting plate 7, and the heat exchange tube 6; the material outlet 8 is welded with the header 2.
4 material inlets are formed in the material inlet 1, and 2 material outlets are formed in the material outlet 8; the pipe plate 4 is a square pipe plate, and the part of the pipe plate 4, which is longer than the header 2, is directly placed on the supporting I-shaped steel; the welding line of the heat exchange tube at the material inlet 1 end and the tube plate 4 is arranged outside the header 2, and the welding line of the heat exchange tube at the material outlet 8 end and the tube plate 4 is arranged inside the header 2; gaps are formed in the parts, without the tubes, of the two sides of the supporting plate 7; the inlet side heat exchange tube 6 and the tube plate 4 are welded through inner holes, and the outlet side heat exchange tube 6 and the tube plate 4 are welded through strength; the heat exchange tubes 6 are provided with 12, and the supporting plates 7 are provided with 4.
The furnace of the utility model adopts the arrangement of the row of heat exchange tubes, thereby increasing the number of the heat exchange tubes in unit area and increasing the heat exchange area; the notched supporting plate is used for supporting the heat exchange tube to replace a traditional U-shaped bolt for fixing the heat exchange tube, gaps are not formed in the tube distribution parts on two sides of the supporting plate, square holes are formed in the middle tube distribution part, the manufacturing difficulty is reduced, the vacant part of the supporting plate is used as a channel for low-pressure steam to flow upwards, and the heat exchange efficiency is improved; the connection mode of the heat exchange tube and the header is improved, the tube plate on the optimized side is welded with the heat exchange tube, and the tube plate on the inlet side and the heat exchange tube are welded by adopting inner holes, so that the metal wall temperature at the welding seam can be reduced, and the reliability of the welding joint at the welding seam is improved. The utility model discloses structural design scientific and reasonable, the manufacture process is simple, and convenient operation and installation have increased heat transfer area, have improved soil rate of utilization and heat exchange efficiency.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (6)
1. The utility model provides a rapid cooling heat exchanger for cooling of high temperature gas behind stove, includes material import (1), header (2), a supporting beam (3), tube sheet (4), support angle steel (5), heat exchange tube (6), backup pad (7) and material export (8), its characterized in that: the material inlet (1) is arranged at the bottom of the quenching heat exchanger, the header (2) is of a segmental structure, and the material inlet (1) and the header (2) are welded by using a hole; the pipe plate (4) is welded on the upper portion of the header (2), a square hole is formed in the pipe plate (4), a supporting beam (3) is arranged between the pipe plate (4) and the header (2), a heat exchange pipe (6) is connected to the upper portion of the pipe plate (4), the heat exchange pipe (6) is connected with the pipe plate (4) in a welding mode, the heat exchange pipe (6) is a U-shaped heat exchange pipe, supporting plates (7) are arranged between the heat exchange pipes (6), the supporting plates (7) are fixed through supporting angle steel (5), the supporting angle steel (5) is welded on the pipe plate (4), the end sides of the supporting plates (7) are connected with a slide rail (9), the square hole is formed in the middles of the supporting plates (7), and the heat exchange pipe (6) penetrates through the square hole; and the material outlet (8) is welded with the header (2).
2. The quenching heat exchanger for cooling high-temperature gas after the furnace according to claim 1, wherein the number of the material inlets (1) is 4, and the number of the material outlets (8) is 2.
3. The quenching heat exchanger for cooling high-temperature gas after the furnace according to claim 1, characterized in that the tube plate (4) is a square tube plate, and the part of the tube plate (4) longer than the header (2) is directly placed on the supporting I-steel.
4. The quenching heat exchanger for cooling high-temperature gas behind the furnace according to claim 1, characterized in that the heat exchange tube at the material inlet (1) end and the tube plate (4) are welded outside the header (2), and the heat exchange tube at the material outlet (8) end and the tube plate (4) are welded inside the header (2).
5. The quenching heat exchanger for cooling high-temperature gas after the furnace according to claim 1, wherein the support plate (7) is provided with notches at both sides without a pipe distribution part.
6. A quenching heat exchanger for cooling high-temperature gas after furnace according to claim 1, characterized in that the number of the heat exchange tubes (6) is 6-16, and the number of the supporting plates (7) is 4-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921574792.8U CN211178050U (en) | 2019-09-21 | 2019-09-21 | Quenching heat exchanger for cooling high-temperature gas behind furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921574792.8U CN211178050U (en) | 2019-09-21 | 2019-09-21 | Quenching heat exchanger for cooling high-temperature gas behind furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178050U true CN211178050U (en) | 2020-08-04 |
Family
ID=71799625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921574792.8U Active CN211178050U (en) | 2019-09-21 | 2019-09-21 | Quenching heat exchanger for cooling high-temperature gas behind furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211178050U (en) |
-
2019
- 2019-09-21 CN CN201921574792.8U patent/CN211178050U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105457563B (en) | Isothermal shift reactor with built-in tube bundle | |
| CN105737182A (en) | Smoke in-depth cooler | |
| CN206638061U (en) | A kind of HP boiler water deflection bar type preheater and chemical reaction equipment | |
| CN102976312A (en) | Heat exchanger structure capable of prolonging service life of calcined coke heat exchanger | |
| CN211178050U (en) | Quenching heat exchanger for cooling high-temperature gas behind furnace | |
| CN211546408U (en) | Coke oven tedge variable cross-section sectional type coil heat exchanger | |
| CN103079991B (en) | For HCl synthesis and the device of byproduct steam | |
| CN108384581B (en) | Waste heat recovery device for recovering high-temperature sensible heat of synthesis gas and slag in gasification furnace | |
| CN111059565A (en) | High-temperature air preheater for coal gas | |
| CN210165352U (en) | Straight-through type synthetic waste heat boiler | |
| CN204881281U (en) | High temperature is poor, high pressure is poor, easily maintain steam generator | |
| CN208804666U (en) | A kind of small collection box structure of superheater for waste incinerator | |
| CN106839823A (en) | A kind of HP boiler water deflection bar type preheater and chemical reaction equipment | |
| CN209894007U (en) | High-temperature high-pressure sand heat exchange device | |
| CN210569266U (en) | Gas wall-mounted furnace and combustion chamber device | |
| CN205886830U (en) | Novel fixation reaction bed of no tube sheet methanol oxidation ware | |
| CN208200858U (en) | For recycling the waste-heat recovery device of synthesis gas and cinder high-temperature sensible heat in gasification furnace | |
| CN217875922U (en) | High-temperature energy-saving plate preheater | |
| CN109954451A (en) | A kind of reactor for the production of silver-colored formaldehyde | |
| CN205919713U (en) | Novel heat transfer system of no tube sheet methanol oxidation ware | |
| CN104896976A (en) | High temperature difference, high pressure difference and easily maintained steam generator | |
| CN220288316U (en) | Water heater for recovering waste heat of high-temperature high-pressure process gas | |
| CN220339172U (en) | Header bellows type high-temperature gas heat exchanger | |
| CN214172199U (en) | Header structure for preventing header tube seat from generating cracks | |
| CN106237935A (en) | The fixing reaction bed of the novel oxidator of methanol without tube sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |