CN220352024U - Heat accumulating type acetylene-benzene carbon black reaction furnace - Google Patents
Heat accumulating type acetylene-benzene carbon black reaction furnace Download PDFInfo
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- CN220352024U CN220352024U CN202321100718.9U CN202321100718U CN220352024U CN 220352024 U CN220352024 U CN 220352024U CN 202321100718 U CN202321100718 U CN 202321100718U CN 220352024 U CN220352024 U CN 220352024U
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- Prior art keywords
- carbon black
- steam drum
- evaporator
- waste heat
- pipe
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- 239000006229 carbon black Substances 0.000 title claims abstract description 65
- -1 acetylene-benzene carbon Chemical compound 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 26
- 239000002918 waste heat Substances 0.000 claims abstract description 25
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 238000005336 cracking Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims abstract description 9
- 230000001172 regenerating effect Effects 0.000 claims abstract description 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a regenerative acetylene-benzene carbon black reaction furnace, which comprises a cracking combustion furnace and a carbon black collecting and waste heat utilizing device connected with a discharge port below the cracking combustion furnace; an air inlet at the upper part of the cracking combustion furnace is connected with an acetylene gas inlet pipeline and a benzene gas inlet pipeline; the carbon black collecting and waste heat utilizing device comprises a carbon black collecting bin and a waste heat utilizing device; the waste heat utilization device comprises a steam drum, a down pipe and an evaporator, the steam drum is positioned at the upper part outside the carbon black collection bin body, and the evaporator is positioned around the inner wall of the carbon black collection bin; the evaporator comprises an upper header, a riser tube bank and a lower header; the bottom of the steam drum is connected with a down pipe, the other end of the down pipe is connected with a lower header of the evaporator, an upper header of the evaporator is connected with the steam drum, the bottom of the steam drum is connected with a water supply pipe, and the top of the steam drum is connected with a steam pipe; and the carbon black tail gas is subjected to waste heat utilization by a waste heat utilization device.
Description
Technical Field
The utility model belongs to the technical field of carbon black production equipment, and particularly relates to a heat accumulating type acetylene-benzene carbon black reaction furnace.
Background
The Chinese patent document (CN 115181434A) discloses a process and a device for preparing carbon black by mixing benzene and acetylene, wherein acetylene gas and gas monocyclic aromatic hydrocarbon are used as raw materials for preparing the carbon black, the acetylene gas and the benzene gas are respectively introduced into a cracking furnace for combustion reaction to obtain the carbon black and tail gas, the tail gas output by the cracking furnace has very high temperature and contains a large amount of heat, and therefore, a large amount of energy consumption is wasted due to conventional natural emission.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a heat accumulating type acetylene-benzene carbon black reaction furnace, and aims to utilize waste heat of carbon black tail gas.
In order to achieve the above object, the present utility model provides the following solutions:
a regenerative acetylene-benzene carbon black reaction furnace comprises a cracking combustion furnace and a carbon black collecting and waste heat utilizing device connected with a discharge port below the cracking combustion furnace; an air inlet at the upper part of the cracking combustion furnace is connected with an acetylene gas inlet pipeline and a benzene gas inlet pipeline;
the carbon black collecting and waste heat utilizing device comprises a carbon black collecting bin and a waste heat utilizing device; the waste heat utilization device comprises a steam drum, a down pipe and an evaporator, wherein the steam drum is positioned at the upper part outside the carbon black collection bin body, and the evaporator is positioned around the inner wall of the carbon black collection bin; the evaporator comprises an upper header, a riser tube bank and a lower header; the bottom of the steam drum is connected with a down pipe, the other end of the down pipe is connected with a lower header of the evaporator, and an upper header of the evaporator is connected with the steam drum. The bottom of the steam drum is connected with a water supply pipe, and the top of the steam drum is connected with a steam pipe.
Further, a steam drum separator is arranged in the steam drum.
Further, a carbon black collecting port is formed in the bottom of the carbon black collecting bin, and a carbon black screw conveyor is arranged below the carbon black collecting port.
The utility model has the technical effects that: according to the heat accumulating type acetylene-benzene carbon black reaction furnace provided by the utility model, the waste heat utilization of the carbon black tail gas is realized through the waste heat utilization device; and a waste heat utilization device is arranged in a carbon black collecting bin for collecting carbon black below the cracking combustion furnace, so that the loss of tail gas heat caused by long conveying pipelines is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a waste heat utilizing device according to the present utility model;
in the figure, 1, a cracking combustion furnace, 2, a carbon black collecting and waste heat utilizing device, 21, a carbon black collecting bin, 211, a carbon black collecting port, 22, a waste heat utilizing device, 221, a steam drum, 222, a downcomer, 223, an evaporator, 2231, an upper header, 2232, a riser tube bank, 2233, a lower header, 3, an acetylene gas inlet pipe, 4, a benzene gas inlet pipe, 5, a carbon black screw conveyor, 7, a water supply pipe and 8, a steam pipe.
Detailed Description
In order that the manner in which the utility model is practiced, as well as the features and objects and advantages thereof, will be readily apparent from the following detailed description of the utility model taken in conjunction with the accompanying drawings 1-2.
Referring to fig. 1, the heat accumulating type acetylene-benzene carbon black reaction furnace provided by the utility model comprises a cracking combustion furnace 1 and a carbon black collecting and waste heat utilizing device 2 connected with a discharge hole below the cracking combustion furnace; an air inlet at the upper part of the cracking combustion furnace 1 is connected with an acetylene gas inlet pipeline 3 and a benzene gas inlet pipeline 4, and acetylene gas and benzene gas are respectively introduced into the cracking furnace for combustion reaction to obtain carbon black and tail gas;
as shown in fig. 1-2, the carbon black collecting and waste heat utilizing device 2 comprises a carbon black collecting bin 21 and a waste heat utilizing device 22; the waste heat utilization device 22 comprises a steam drum 221, a down pipe 222 and an evaporator 223, wherein a steam drum separator is arranged in the steam drum 221; the steam drum 221 is positioned at the upper part of the outside of the bin body of the carbon black collection bin 21, and the evaporator 223 is positioned around the inner wall of the carbon black collection bin 21; the evaporator 223 includes an upper header 2231, a riser tube bank 2232, and a lower header 2233, the riser tube bank connecting the upper and lower headers; the bottom of the steam drum 221 is connected with a down pipe 222, the other end of the down pipe 222 is connected with a lower header 2233 of the evaporator, and an upper header 2231 of the evaporator is connected with the steam drum 221; the bottom of the steam drum 221 is connected with a water supply pipe 7, and the top is connected with a steam pipe 8. The water in the steam drum enters the lower header through the down tube, the heat in the tail gas heats the water into steam, the water-steam mixture rises along the ascending tube group to enter the steam drum, and the hot steam in the steam drum is output through the steam tube and is conveyed to a required place.
As shown in fig. 1, a carbon black collecting port 211 is provided at the bottom of the carbon black collecting bin 21, and a carbon black screw conveyor 5 is provided below the carbon black collecting port 211.
The working principle is as follows: the method comprises the steps that carbon black in a pyrolysis combustion furnace and carbon black tail gas enter a carbon black collecting bin together, heat in the tail gas heats water in an evaporator in the carbon black collecting bin, a water-vapor mixture ascends along a riser pipe group and enters a steam drum, water vapor is separated through a steam drum separator arranged in the steam drum, and hot steam is conveyed to equipment needing to use the hot steam through a steam pipe arranged above the steam drum; the carbon black is delivered to the next working procedure through a carbon black collecting port arranged at the bottom of the carbon black collecting bin and a carbon black screw conveyor.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (3)
1. The heat accumulating type acetylene-benzene carbon black reaction furnace is characterized by comprising a cracking combustion furnace (1) and a carbon black collecting and waste heat utilizing device (2) connected with a discharge hole below the cracking combustion furnace; an air inlet at the upper part of the cracking combustion furnace (1) is connected with an acetylene gas inlet pipeline (3) and a benzene gas inlet pipeline (4);
the carbon black collecting and waste heat utilizing device (2) comprises a carbon black collecting bin (21) and a waste heat utilizing device (22);
the waste heat utilization device (22) comprises a steam drum (221), a descending pipe (222) and an evaporator (223), wherein the steam drum (221) is positioned at the upper part outside a bin body of the carbon black collection bin (21), the evaporator (223) is positioned around the inner wall of the carbon black collection bin (21), and the evaporator (223) comprises an upper header (2231), a ascending pipe group (2232) and a lower header (2233); the bottom of the steam drum (221) is connected with a down pipe (222), the other end of the down pipe (222) is connected with a lower header (2233) of the evaporator, and an upper header (2231) of the evaporator is connected with the steam drum (221); the bottom of the steam drum (221) is connected with a water supply pipe (7), and the top of the steam drum is connected with a steam pipe (8).
2. A regenerative acetylene-benzene carbon black reaction furnace according to claim 1, wherein a drum separator is provided in the drum (221).
3. The heat accumulating type acetylene-benzene carbon black reaction furnace according to claim 1, wherein a carbon black collecting port (211) is arranged at the bottom of the carbon black collecting bin (21), and a carbon black screw conveyor (5) is arranged below the carbon black collecting port (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100718.9U CN220352024U (en) | 2023-05-09 | 2023-05-09 | Heat accumulating type acetylene-benzene carbon black reaction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100718.9U CN220352024U (en) | 2023-05-09 | 2023-05-09 | Heat accumulating type acetylene-benzene carbon black reaction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352024U true CN220352024U (en) | 2024-01-16 |
Family
ID=89482193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321100718.9U Active CN220352024U (en) | 2023-05-09 | 2023-05-09 | Heat accumulating type acetylene-benzene carbon black reaction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352024U (en) |
-
2023
- 2023-05-09 CN CN202321100718.9U patent/CN220352024U/en active Active
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