CN214249577U - Special spray gun for cracking furnace - Google Patents
Special spray gun for cracking furnace Download PDFInfo
- Publication number
- CN214249577U CN214249577U CN202023179314.2U CN202023179314U CN214249577U CN 214249577 U CN214249577 U CN 214249577U CN 202023179314 U CN202023179314 U CN 202023179314U CN 214249577 U CN214249577 U CN 214249577U
- Authority
- CN
- China
- Prior art keywords
- spray gun
- gas
- gas spray
- wall
- pivot
- 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.)
- Expired - Fee Related
Links
- 239000007921 spray Substances 0.000 title claims abstract description 69
- 238000005336 cracking Methods 0.000 title claims description 38
- 238000000197 pyrolysis Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 87
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- -1 ethylene, propylene Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a special spray gun of pyrolysis furnace, including the pyrolysis furnace stove bottom, pyrolysis furnace stove bottom inner wall is provided with the fixed plate, and is provided with the protecting crust bottom the fixed plate to the inside driving motor that is provided with of protecting crust, the fixed plate top is provided with pivot, second gas spray gun and first gas spray gun, and the pivot is connected with driving motor, be provided with on the pivot outer wall and dial the board that looses, and dial the board and be located second gas spray gun and first gas spray gun upper end. This special spray gun of pyrolysis furnace sets up second gas spray gun and first gas spray gun on the fixed plate through at pyrolysis furnace stove bottom inner wall fixed plate, sets up on second gas spray gun and first gas spray gun simultaneously and dials the board that looses, rotates through driving motor drive pivot, makes the pivot drive and dials the board rotation that looses, can make from this and dial the board and dial second gas spray gun and first gas spray gun spun gas at the pivoted in-process and dial, enlarges gaseous scope from this, improves the combustion effect.
Description
Technical Field
The utility model relates to a technical field of cracking furnace equipment specifically is a special spray gun of cracking furnace.
Background
The cracking furnace is a device for performing a cracking reaction on hydrocarbons; the requirements for the cracking furnace are: (1) the reactants can be rapidly heated to 700-90 CTC so as to ensure the balanced yield of ethylene and ensure heat supply and heat transfer; (2) the medium retention time is short, and the generation of coke in the cracking process is reduced; (3) suitable high temperature resistant materials; because of different raw materials and methods for providing heat required by cracking, different cracking furnace types are adopted, and a heat accumulating type cracking furnace, a sand furnace, a tubular cracking furnace, an ethylene cracking furnace and the like are commonly used; the most widely used and technically mature tube cracking furnace; the ethylene cracking furnace is used for processing cracking gas and is of the types of double radiation chambers, single radiation chambers and millisecond furnaces; the ethylene cracking furnace is the core equipment of an ethylene production device, and mainly has the functions of processing various raw materials such as natural gas, refinery gas, crude oil, naphtha and the like into cracking gas, providing the cracking gas for other ethylene devices, and finally processing the cracking gas into ethylene, propylene and various byproducts.
The cracking furnace needs to use the lance input gas for auxiliary combustion in the operation process, and the existing gas lance is fixedly installed, so that the position and the range of the input gas are fixed, the combustion effect is influenced, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special spray gun of pyrolysis furnace to solve the fixed problem that influences combustion effect of pyrolysis furnace gas input position and scope that proposes among the above-mentioned background art.
For realizing above-mentioned purpose, the utility model provides a following technical scheme, a special spray gun of pyrolysis furnace, including the pyrolysis furnace stove bottom, pyrolysis furnace stove bottom inner wall is provided with the fixed plate, and is provided with the protecting crust bottom to the inside driving motor that is provided with of protecting crust, the fixed plate top is provided with pivot, second gas spray gun and first gas spray gun, and the pivot is connected with driving motor, be provided with on the pivot outer wall and dial the board that looses, and it is located second gas spray gun and first gas spray gun upper end to dial the board that looses, first gas spray gun includes gas passage, gas outlet, intake pipe, sleeve pipe and heating wire, and first gas spray gun is identical with second gas spray gun structure.
Preferably, the inner wall of the bottom of the cracking furnace is provided with a second fan chamber and a first fan chamber, the second fan chamber and the first fan chamber are internally provided with a second fan and a first fan respectively, and the second fan chamber and the first fan chamber are provided with openings.
Preferably, an air inlet pipe is inserted into the outer wall of the bottom of the cracking furnace, and an air channel is arranged on one side of the air inlet pipe.
Preferably, the scattering plates are fixedly connected with the rotating shaft, and the scattering plates are distributed in a ring shape at equal intervals relative to the outer wall of the rotating shaft.
Preferably, the top of the gas channel is provided with gas outlets, and the gas outlets are distributed at equal intervals in the transverse direction relative to the top of the gas channel.
Preferably, the outer wall of the air inlet pipe is provided with a sleeve, the inner wall of the sleeve is provided with a heating wire, and the heating wire is arranged on the outer wall of the air inlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that: this special spray gun of pyrolysis furnace sets up second gas spray gun and first gas spray gun on the fixed plate through at pyrolysis furnace stove bottom inner wall fixed plate, sets up on second gas spray gun and first gas spray gun simultaneously and dials the board that looses, rotates through driving motor drive pivot, makes the pivot drive and dials the board rotation that looses, can make from this and dial the board and dial second gas spray gun and first gas spray gun spun gas at the pivoted in-process and dial, enlarges gaseous scope from this, improves the combustion effect.
Drawings
FIG. 1 is a schematic structural view of a special spray gun for a cracking furnace of the present invention;
FIG. 2 is a top view of a spray gun dispersion plate for a cracking furnace according to the present invention;
fig. 3 is a schematic view of the connection structure of the special spray gun sleeve and the air inlet pipe for the cracking furnace of the utility model.
In the figure: 1. cracking furnace stove bottom, 2, second gas spray gun, 3, group scattered board, 4, pivot, 5, gas channel, 6, gas outlet, 7, intake pipe, 8, sleeve pipe, 9, second fan room, 10, second fan, 11, protecting sheathing, 12, driving motor, 13, first fan, 14, first fan room, 15, fixed plate, 16, heating wire, 17, first gas spray gun.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-3, the present invention provides a technical solution: a special spray gun for a cracking furnace comprises a cracking furnace bottom 1, a fixing plate 15 is arranged on the inner wall of the cracking furnace bottom 1, the cracking furnace bottom 1 is fixedly connected with the fixing plate 15 through bolts, a protective shell 11 is arranged at the bottom of the fixing plate 15, the fixing plate 15 is fixedly connected with the protective shell 11 through bolts, a driving motor 12 is arranged in the protective shell 11, the protective shell 11 is fixedly connected with the driving motor 12 through bolts, a second fan chamber 9 and a first fan chamber 14 are arranged on the inner wall of the cracking furnace bottom 1, the second fan chamber 9 and the first fan chamber 14 are fixed through bolts, a second fan 10 and a first fan 13 are respectively arranged in the second fan chamber 9 and the first fan chamber 14, the second fan chamber 9 and the first fan chamber 14 are respectively fixedly connected with the second fan 10 and the first fan 13 through bolts, and openings are respectively arranged on the second fan chamber 9 and the first fan chamber 14, the gas is conveniently blown upwards, and the flow rate of the gas is increased; an air inlet pipe 7 is inserted in the outer wall of the cracking furnace bottom 1, an air channel 5 is arranged on one side of the air inlet pipe 7, and the air channel 5 is welded on the left side of the air inlet pipe; the top of the gas channel 5 is provided with a gas outlet 6, the gas channel 5 and the gas outlet 6 are integrally connected, and the gas outlets 6 are transversely distributed at equal intervals relative to the top of the gas channel 5; the top of the fixed plate 15 is provided with a rotating shaft 4, a second gas spray gun 2 and a first gas spray gun 17, the second gas spray gun 2 and the first gas spray gun 17 are respectively positioned at the left side and the right side of the rotating shaft 4, the rotating shaft 4 and the fixed plate 15 form a rotating connection, the second gas spray gun 2 and the first gas spray gun 17 are fixedly connected with the fixed plate 15 through bolts, the rotating shaft 4 is connected with the driving motor 12 through a coupler, the outer wall of the rotating shaft 4 is provided with a dispersion plate 3, the rotating shaft 4 is fixedly welded with the dispersion plate 3, and the dispersion plate 3 is positioned at the upper ends of the second gas spray gun 2 and the first gas spray gun 17, so that gas can be dispersed, the range of the gas is expanded, the dispersion plate 3 is fixedly connected with the rotating shaft 4, and the dispersion plates 3 are distributed in an annular shape at equal intervals relative to the outer wall of the rotating shaft 4; the first gas spray gun 17 comprises a gas channel 5, a gas outlet 6, a gas inlet pipe 7, a sleeve 8 and an electric heating wire 16, the structure of the first gas spray gun 17 is completely the same as that of the second gas spray gun 2, and the uniformity of gas inlet is ensured by arranging the first gas spray gun 17 and the second gas spray gun 2; the outer wall of the air inlet pipe 7 is provided with a sleeve 8, the air inlet pipe 7 and the sleeve 8 are welded and fixed through a support, the inner wall of the sleeve 8 is provided with a heating wire 16, the sleeve 8 and the heating wire 16 are fixedly connected through a bolt, and the heating wire 16 is arranged on the outer wall of the air inlet pipe 7, so that heat preservation can be performed on the gas in the air inlet pipe 7, and the temperature reduction of the gas in the flowing process is avoided; this special spray gun of pyrolysis furnace is through 1 inner wall fixed plate 15 at the pyrolysis furnace stove bottom, set up second gas spray gun 2 and first gas spray gun 17 on fixed plate 15, simultaneously set up at second gas spray gun 2 and first gas spray gun 17 upper end and dial scattered board 3, rotate through driving motor 12 drive pivot 4, make pivot 4 drive dial scattered board 3 and rotate, can make from this dial scattered board 3 and dial second gas spray gun 2 and first gas spray gun 17 spun gas at the pivoted in-process and open, enlarge gaseous scope from this, improve the combustion effect.
The working principle is as follows: when the special spray gun for the cracking furnace is used, firstly, gas enters through the gas inlet pipe 7, after the gas enters into the gas inlet pipe 7, the electric heating wire 16 in the sleeve 8 is started, the electric heating wire 16 starts to heat the gas in the gas inlet pipe 7, the gas enters into the gas channel 5 in the first gas spray gun 17 and the second gas spray gun 2 after being heated, then the gas is uniformly sprayed out from the gas outlet (6) at the top of the gas channel 5, the second fan 10 and the first fan 13 in the second fan chamber 9 and the first fan chamber 14 are started while the gas is sprayed out, the second fan 10 and the first fan 13 blow the gas upwards to increase the flow rate of the gas, meanwhile, the driving motor 12 in the protective shell 11 is started, after the driving motor 12 is started, the driving motor 12 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the diffusion plate 3 to rotate in the rotating process, and the diffusion plate 3 diffuses the gas in the rotating process, the flow range of the gas is enlarged, which is beneficial to improving the combustion effect, and the working principle of the special spray gun for the cracking furnace is the working principle.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a special spray gun of pyrolysis furnace, includes pyrolysis furnace stove bottom (1), its characterized in that: the utility model discloses a pyrolysis furnace stove, including pyrolysis furnace stove bottom (1), fixed plate (15) bottom are provided with protecting crust (11) to protecting crust (11) inside is provided with driving motor (12), fixed plate (15) top is provided with pivot (4), second gas spray gun (2) and first gas spray gun (17), and pivot (4) are connected with driving motor (12), be provided with on pivot (4) outer wall and dial scattered board (3), and dial scattered board (3) and be located second gas spray gun (2) and first gas spray gun (17) upper end, first gas spray gun (17) include gas passage (5), gas outlet (6), intake pipe (7), sleeve pipe (8) and heating wire (16), and first gas spray gun (17) are the same with second gas spray gun (2) structure completely.
2. The special lance of claim 1, wherein: the cracking furnace is characterized in that a second fan chamber (9) and a first fan chamber (14) are arranged on the inner wall of the cracking furnace bottom (1), a second fan (10) and a first fan (13) are respectively arranged inside the second fan chamber (9) and the first fan chamber (14), and openings are formed in the second fan chamber (9) and the first fan chamber (14).
3. The special lance of claim 1, wherein: an air inlet pipe (7) is inserted into the outer wall of the cracking furnace bottom (1), and an air channel (5) is arranged on one side of the air inlet pipe (7).
4. The special lance of claim 1, wherein: the scattering plate (3) is fixedly connected with the rotating shaft (4), and the scattering plate (3) is distributed at equal intervals in a ring shape relative to the outer wall of the rotating shaft (4).
5. The special lance of claim 1, wherein: gas outlet (6) are arranged at the top of the gas channel (5), and the gas outlet (6) is transversely distributed at equal intervals relative to the top of the gas channel (5).
6. The special lance of claim 1, wherein: the outer wall of the air inlet pipe (7) is provided with a sleeve (8), the inner wall of the sleeve (8) is provided with an electric heating wire (16), and the electric heating wire (16) is arranged on the outer wall of the air inlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179314.2U CN214249577U (en) | 2020-12-25 | 2020-12-25 | Special spray gun for cracking furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179314.2U CN214249577U (en) | 2020-12-25 | 2020-12-25 | Special spray gun for cracking furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214249577U true CN214249577U (en) | 2021-09-21 |
Family
ID=77742303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023179314.2U Expired - Fee Related CN214249577U (en) | 2020-12-25 | 2020-12-25 | Special spray gun for cracking furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214249577U (en) |
-
2020
- 2020-12-25 CN CN202023179314.2U patent/CN214249577U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |