CN205192238U - Pipe type heating furnace - Google Patents
Pipe type heating furnace Download PDFInfo
- Publication number
- CN205192238U CN205192238U CN201520781839.3U CN201520781839U CN205192238U CN 205192238 U CN205192238 U CN 205192238U CN 201520781839 U CN201520781839 U CN 201520781839U CN 205192238 U CN205192238 U CN 205192238U
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- CN
- China
- Prior art keywords
- pipe
- tube group
- convection
- air
- steel pipe
- 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.)
- Withdrawn - After Issue
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- 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
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- Combustion Of Fluid Fuel (AREA)
Abstract
The utility model relates to a pipe type heating furnace belongs to metallurgical coker technical field. It includes radiant section (1), convection zone (2) and chimney (9), radiant section (1) including stove bottom (1.1), middle casing (1.2) and furnace roof (1.3), stove bottom (1.1) center is provided with radiates post (22), radiation post (22) is provided with a plurality of combustors (14) on every side, be provided with combustor air gate (18) and coke oven gas entry (20) on combustor (14). The utility model relates to a pipe type heating furnace, it can effectively improve the heating furnace thermal efficiency, is favorable to reducing exhaust gas temperature, has strengthened equipment operating stability and security.
Description
Technical field
The utility model relates to a kind of tubular heater, belongs to metallurgical coking equipment technical field.
Background technology
The industrial heating furnace used in the industry such as tubular heater is petroleum refining, petrochemical industry, Coal Chemical Industry, tar production, Crude Oil Transportation, heated material is gas or liquid at Bottomhole pressure medium, and be all inflammable and explosive material, operating condition is harsh, long-term operation hitless operation simultaneously, mode of heating is that heat transfer type is based on radiant heat transfer, and its energy consumption accounts for about 70% of device total energy consumption directly by fire.The load of heat of heating furnace directly determines the working ability of petrochemical equipment, and when equal contour structures, the thermic load improving heating furnace seems particularly important.And the thermal efficiency improving heating furnace is the effective way improving thermic load, it directly affects the energy consumption of whole system.Its structural design of tubular heater traditional is at present unreasonable, and its normal exhaust gas temperature is up to 400 DEG C, and the thermal efficiency only has 78%, and thermic load is low, there is great energy waste.
Utility model content
Technical problem to be solved in the utility model provides a kind of tubular heater for above-mentioned prior art, and it effectively can improve thermal efficiency of heating furnace, is conducive to reducing exhaust gas temperature, strengthens stable equipment operation and security.
The technical scheme in the invention for solving the above technical problem is: a kind of tubular heater, it comprises radiant section, convection section and chimney, described radiant section comprises furnace bottom, middle casing and furnace roof, described hearth center is provided with radiation post, be provided with multiple burner around described radiation post, described burner be provided with burner air mouth and coke-stove gas entrance.
Described radiation post comprises annular ledge, described annular ledge top arranged outside is stepped down lead angle, described annular ledge arranged outside has support cylindrical shell, described support cylinder body outer wall is provided with multiple I type support and Y type support, described multiple I type support and Y type support interlock interval arrange, the external side of described support tube is provided with the high alumina casting bed of material, and the described high alumina casting bed of material is covered on multiple I type support and Y type support.
Radiant tube group is provided with in described radiant section, convection tube group is provided with in described convection section, air preheater is provided with above described convection tube group, described convection section is outside equipped with working medium inlet pipe, described working medium inlet pipe is connected with the import of convection tube group, described convection tube group outlet is connected with the import of radiant tube group by auxiliary piping, is provided with sender property outlet bottom described radiant tube group.
Described radiant tube group is arranged ringwise; Described radiant tube group comprises multiple vertical tube, is connected between adjacent two vertical tubes by elbow.
Described convection tube group has multiple, be arranged in parallel about described multiple convection tube group, each convection tube group comprise multiple the first horizontally disposed steel pipe to the second steel pipe pair, described multiple first steel pipe to the second steel pipe to interval-staggered up and down, the first adjacent steel pipe to and the second steel pipe be connected by inclined bend between front end, the first steel pipe to and the second steel pipe be connected by horizontal elbow between self two steel pipe rear ends.
Described radiant section and convection section arranged outside have air pipe line and blower fan, described air pipe line comprises air inlet lines, air goes out pipe and annular distributing pipe, described air inlet lines one end is connected with blower fan, the other end is connected with air preheater import, described air goes out pipe one end and exports with air preheater and be connected, the other end is connected with annular distributing pipe, described annular distributing pipe is connected with the burner air import of multiple burner respectively by the first tube connector, and described first tube connector is provided with the first control valve.
Fuel gas pipeline is provided with below described multiple burner, described fuel gas pipeline comprises combustion gas main line and gas distribution pipe, described combustion gas main line is connected with gas distribution pipe, described gas distribution pipe is connected with the coke-stove gas entrance of multiple burner respectively by multiple second tube connector, and described second tube connector is provided with the second control valve.
Described gas distribution pipe is polygonized structure, and described second tube connector junction is positioned at the corner of the gas distribution pipe of polygonized structure.
Described radiant section inwall is provided with insulated lining.
Described middle casing is provided with thermometer hole, described furnace bottom is provided with extinguish steam mouth and manhole.
Compared with prior art, the utility model has the advantage of:
1, the utility model is by arranging radiation post at radiant section hearth center, and the multiple burners under the effect of radiation post around it produce eddy flows, improve the thermal efficiency of radiant section, add burning adjustable range;
2, the utility model configures air preheater as the pre-heat recovery system of high-temperature flue gas above convection section, for warm-up combustion-supporting air, thermal efficiency of heating furnace 5 ~ 7 percentage points can be improved, effectively reduce energy resource consumption, effectively can reduce flue-gas temperature, less flue gas is to the pollution of environment simultaneously;
3, the utility model air pipe line and fuel gas pipeline reasonable in design, not only save occupation of land space, decrease weight of equipment, and installation is simple, use is reliable, energy efficiency, burner is easy to adjust, improves the stability of burning, the smooth combustion under large load variations operating mode can be met, ensure the requirement of certain efficiency of combustion simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of tubular heater of the utility model;
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the structural representation of radiation post in Fig. 1.
Fig. 5 is the structural representation of convection tube group in Fig. 1.
Fig. 6 is the right view of Fig. 5.
Fig. 7 is the syndeton schematic diagram of air pipe line and burner.
Fig. 8 is the top view of Fig. 7.
Fig. 9 is the syndeton schematic diagram of fuel gas pipeline and burner.
Figure 10 is the enlarged drawing that in Fig. 9, gas distribution pipe is connected with burner coke-stove gas entrance.
Wherein:
Radiant section 1
Furnace bottom 1.1
Middle casing 1.2
Furnace roof 1.3
Convection section 2
Air pipe line 3
Air inlet lines 3.1
Air goes out pipe 3.2
Annular distributing pipe 3.3
First tube connector 3.4
First control valve 3.5
Air preheater 4
Convection tube group 5
First steel pipe is to 5.1
Second steel pipe is to 5.2
Inclined bend 5.3
Horizontal elbow 5.4
Transit joint 6
Working medium inlet pipe 7
Auxiliary piping 8
Chimney 9
Air door 10
Heat insulation back boxing 11
Radiant tube group 12
Sender property outlet 13
Burner 14
Blower fan 15
Flue gas bypass interface 16
Extinguish steam mouth 17
Burner air mouth 18
Manhole 19
Coke-stove gas entrance 20
Thermometer hole 21
Radiation post 22
Annular ledge 22.1
To step down lead angle 22.2
Support cylindrical shell 223
I type support 22.4
Y type support 22.5
The high alumina casting bed of material 22.6
Fuel gas pipeline 23
Combustion gas main line 23.1
Gas distribution pipe 23.2
Second tube connector 23.3
Second control valve 23.4.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Fig. 1 ~ Figure 10, a kind of tubular heater in the present embodiment, it comprises radiant section 1, convection section 2 and chimney 9, described radiant section 1 comprises furnace bottom 1.1, middle casing 1.2 and furnace roof 1.3, described furnace bottom 1.1 center is provided with radiation post 22, described radiation post 22 comprises annular ledge 22.1, described annular ledge 22.1 top arranged outside is stepped down lead angle 22.2, described annular ledge 22.1 arranged outside has support cylindrical shell 22.3, described support cylindrical shell 22.3 outer wall is provided with multiple I type support 22.4 and Y type support 22.5, described multiple I type support 22.4 and Y type support 22.5 interlock interval arrange, described support cylindrical shell 22.3 arranged outside has the high alumina casting bed of material 22.6, the described high alumina casting bed of material 22.6 is covered on multiple I type support 22.4 and Y type support 22.5,
Be provided with radiant tube group 12 in described radiant section 1, described radiant tube group 12 is arranged ringwise; Described radiant tube group 12 comprises multiple vertical tube, is connected between adjacent two vertical tubes by elbow;
Convection tube group 5 is provided with in described convection section 2, air preheater 4 is provided with above described convection tube group 5, described convection tube group 5 has multiple, described multiple convection tube group about 5 is arranged in parallel, each convection tube group 5 comprise multiple the first horizontally disposed steel pipe to 5.1 and second steel pipe to 5.2, described multiple first steel pipe to 5.1 and second steel pipe interval-staggered to about 5.2, the first adjacent steel pipe to 5.1 and second steel pipe be connected by inclined bend 5.3 between 5.2 front ends, first steel pipe to 5.1 and second steel pipe be connected by horizontal elbow 5.4 between 5.2 self two steel pipe rear ends,
Described convection section 2 is outside equipped with working medium inlet pipe 7, and described working medium inlet pipe 7 is connected with convection tube group 5 import, and described convection tube group 5 is exported and is connected with radiant tube group 12 import by auxiliary piping 8, is provided with sender property outlet 13 bottom described radiant tube group 12;
Described convection section 2 is connected by transit joint 6 with between chimney 9, is provided with air door 10 in described chimney 9, and described chimney 9 side is provided with flue gas bypass interface 16;
Multiple burner 14 is provided with around described radiation post 22, described burner 14 is provided with burner air mouth 18 and coke-stove gas entrance 20, described radiant section 1 and convection section 2 arranged outside have air pipe line 3 and blower fan 15, described air pipe line 3 comprises air inlet lines 3.1, air goes out pipe 3.2 and annular distributing pipe 3.3, described air inlet lines 3.1 one end is connected with blower fan 15, the other end is connected with air preheater 4 import, described air goes out pipe 3.2 one end and exports with air preheater 4 and be connected, the other end is connected with annular distributing pipe 3.3, described annular distributing pipe 3.3 is connected with the burner air import 18 of multiple burner 14 respectively by the first tube connector 3.4, described first tube connector 3.4 is provided with the first control valve 3.5,
Fuel gas pipeline 23 is provided with below described multiple burner 14, described fuel gas pipeline 23 comprises combustion gas main line 23.1 and gas distribution pipe 23.2, described combustion gas main line 23.1 is connected with gas distribution pipe 23.2, described gas distribution pipe 23.2 is in polygonized structure, described gas distribution pipe 23.2 is connected with the coke-stove gas entrance 20 of multiple burner 14 respectively by multiple second tube connector 23.3, described second tube connector 23.2 junction is positioned at the corner of the gas distribution pipe 23.2 of polygonized structure, described second tube connector 23.2 is provided with the second control valve 23.3,
Described radiant section 1 inwall is provided with insulated lining 11;
Described middle casing 1.2 is provided with thermometer hole 21, described furnace bottom 1.1 is provided with extinguish steam mouth 17 and manhole 19.
In addition to the implementation, the utility model also includes other embodiments, the technical scheme that all employing equivalents or equivalent substitute mode are formed, within the protection domain that all should fall into the utility model claim.
Claims (10)
1. a tubular heater, it is characterized in that: it comprises radiant section (1), convection section (2) and chimney (9), described radiant section (1) comprises furnace bottom (1.1), middle casing (1.2) and furnace roof (1.3), described furnace bottom (1.1) center is provided with radiation post (22), described radiation post (22) is provided with multiple burner (14) around, described burner (14) is provided with burner air mouth (18) and coke-stove gas entrance (20).
2. a kind of tubular heater according to claim 1, it is characterized in that: described radiation post (22) comprises annular ledge (22.1), described annular ledge (22.1) top arranged outside is stepped down lead angle (22.2), described annular ledge (22.1) arranged outside has support cylindrical shell (22.3), described support cylindrical shell (22.3) outer wall is provided with multiple I type support (22.4) and Y type support (22.5), described multiple I type support (22.4) and the staggered interval of Y type support (22.5) are arranged, described support cylindrical shell (22.3) arranged outside has the high alumina casting bed of material (22.6), the described high alumina casting bed of material (22.6) is covered on multiple I type support (22.4) and Y type support (22.5).
3. a kind of tubular heater according to claim 1, it is characterized in that: in described radiant section (1), be provided with radiant tube group (12), convection tube group (5) is provided with in described convection section (2), described convection tube group (5) top is provided with air preheater (4), described convection section (2) is outside equipped with working medium inlet pipe (7), described working medium inlet pipe (7) is connected with convection tube group (5) import, described convection tube group (5) outlet is connected with radiant tube group (12) import by auxiliary piping (8), described radiant tube group (12) bottom is provided with sender property outlet (13).
4. a kind of tubular heater according to claim 3, is characterized in that: described radiant tube group (12) is arranged ringwise; Described radiant tube group (12) comprises multiple vertical tube, is connected between adjacent two vertical tubes by elbow.
5. a kind of tubular heater according to claim 3, it is characterized in that: described convection tube group (5) has multiple, described multiple convection tube group (5) left and right is arranged in parallel, each convection tube group (5) comprises multiple the first horizontally disposed steel pipe to (5.1) and the second steel pipe to (5.2), described multiple first steel pipe to (5.1) and the second steel pipe interval-staggered up and down to (5.2), the first adjacent steel pipe is connected by inclined bend (5.3) between (5.2) front end to (5.1) and the second steel pipe, first steel pipe is connected by horizontal elbow (5.4) between (5.2) self two steel pipe rear ends to (5.1) and the second steel pipe.
6. a kind of tubular heater according to claim 3, it is characterized in that: described radiant section (1) and convection section (2) arranged outside have air pipe line (3) and blower fan (15), described air pipe line (3) comprises air inlet lines (3.1), air goes out pipe (3.2) and annular distributing pipe (3.3), described air inlet lines (3.1) one end is connected with blower fan (15), the other end is connected with air preheater (4) import, described air goes out pipe (3.2) one end and exports with air preheater (4) and be connected, the other end is connected with annular distributing pipe (3.3), described annular distributing pipe (3.3) is connected with the burner air import (18) of multiple burner (14) respectively by the first tube connector (3.4), described first tube connector (3.4) is provided with the first control valve (3.5).
7. a kind of tubular heater according to claim 1, it is characterized in that: described multiple burner (14) below is provided with fuel gas pipeline (23), described fuel gas pipeline (23) comprises combustion gas main line (23.1) and gas distribution pipe (23.2), described combustion gas main line (23.1) is connected with gas distribution pipe (23.2), described gas distribution pipe (23.2) is connected with the coke-stove gas entrance (20) of multiple burner (14) respectively by multiple second tube connector (23.3), described second tube connector (23.2) is provided with the second control valve (23.4).
8. a kind of tubular heater according to claim 7, is characterized in that: described gas distribution pipe (23.2) is in polygonized structure, and described second tube connector (23.2) junction is positioned at the corner of the gas distribution pipe (23.2) of polygonized structure.
9. a kind of tubular heater according to claim 1, is characterized in that: described radiant section (1) inwall is provided with insulated lining (11).
10. a kind of tubular heater according to claim 1, is characterized in that: described middle casing (1.2) is provided with thermometer hole (21), described furnace bottom (1.1) is provided with extinguish steam mouth (17) and manhole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781839.3U CN205192238U (en) | 2015-10-10 | 2015-10-10 | Pipe type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781839.3U CN205192238U (en) | 2015-10-10 | 2015-10-10 | Pipe type heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205192238U true CN205192238U (en) | 2016-04-27 |
Family
ID=55785219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520781839.3U Withdrawn - After Issue CN205192238U (en) | 2015-10-10 | 2015-10-10 | Pipe type heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205192238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180653A (en) * | 2015-10-10 | 2015-12-23 | 江阴市澄源机电设备制造有限公司 | Tube heating furnace |
-
2015
- 2015-10-10 CN CN201520781839.3U patent/CN205192238U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180653A (en) * | 2015-10-10 | 2015-12-23 | 江阴市澄源机电设备制造有限公司 | Tube heating furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20170620 |