CN204346191U - A kind of heating furnace fume extractor - Google Patents
A kind of heating furnace fume extractor Download PDFInfo
- Publication number
- CN204346191U CN204346191U CN201420811279.7U CN201420811279U CN204346191U CN 204346191 U CN204346191 U CN 204346191U CN 201420811279 U CN201420811279 U CN 201420811279U CN 204346191 U CN204346191 U CN 204346191U
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- China
- Prior art keywords
- heating furnace
- heat exchanger
- fume extractor
- flue shutter
- flashboard
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Abstract
The utility model discloses a kind of heating furnace fume extractor, and it comprises: the smoke discharging pipe be connected with heating furnace; Be vertically set on the chimney on smoke discharging pipe; Described chimney bottom is provided with radiant tube type heat exchanger; Flat placed type flue shutter is provided with in chimney.
Description
Technical field
The utility model relates to a kind of fume extractor, particularly relates to a kind of fume extractor being applied to metallurgy industry heating furnace kiln.
Background technology
As shown in Figure 1, the smoke evacuation system of existing heating furnace is primarily of smoke discharging pipe 2 ', heat exchanger 3 ', flue shutter 4 ', these parts of chimney 1 ' composition.Wherein, smoke discharging pipe 2 ' is the passage of flow of flue gas; Heat exchanger 3 ' is for the waste heat recovery of flue gas; Flue shutter 4 ' regulates the circulation area of flue by folding, thus produces different resistances to the flue gas of flowing, regulates the pressure of heating furnace burner hearth with this; The pressure reduction that chimney 1 ' utilizes the discrepancy in elevation to produce provides draft to the circulation of flue gas.
Generally, heat exchanger and flue shutter are positioned in smoke discharging pipe as two single devices, are co-located at below terrace absolute altitude with smoke discharging pipe.According to the difference of exchange capability of heat, the length of heat exchanger is greatly about 3 ~ 4 meters, the installation length of flue shutter is at 1 ~ 1.5 meter, such design is at heating furnace room surface limited space, smoke discharging pipe length limited, or smoke discharging pipe ground installations is intensive, workshop terrace does not have cannot rationally realize when space.Therefore, how smoke evacuation system to be set in above-mentioned environment and to realize corresponding function, to become problem demanding prompt solution.
Summary of the invention
In order to solve the smoking problem of heating furnace in limited environment, the utility model discloses a kind of heating furnace fume extractor, and it comprises: the smoke discharging pipe be connected with heating furnace; Be vertically set on the chimney on smoke discharging pipe; Wherein, described smoke discharging pipe is provided with exhaust opening away from the top of one end of heating furnace; Described exhaust opening is vertically connected with heat exchanger, and the top of described heat exchanger is connected with flue shutter; The top of described flue shutter is connected with chimney.
Wherein, described flue shutter is flat placed type flue shutter, comprising: toroidal shell, flashboard turnover panel, the first backstop projection and the second backstop projection; Described flashboard turnover panel is arranged in described toroidal shell by the flashboard axis through its diameter line rotationally; Described first backstop projection is arranged on the inwall of housing, and near housing tip, this first backstop projection offsets towards the face of housing bottom and the top edge of described flashboard turnover panel; Described second backstop projection is arranged on in the inner walls of the first relative side of backstop projection, and near housing bottom, this second backstop projection offsets towards the face of case top and the bottom edge of described flashboard turnover panel.
Wherein, described flashboard turnover panel only can rotate to a direction and the anglec of rotation is less than 180 degree.
Wherein, described heat exchanger is radiant tube type heat exchanger, comprising: cylindrical outer tube and the interior pipe be coaxially set in wherein; Have gap between outer tube and interior pipe, form a ring-shaped chamber, two ends of ring-shaped chamber are provided with end socket so that it is airtight; The outer wall of described interior pipe is evenly equipped with multiple heat transmission fin; The described top of interior pipe is connected with the bottom of flue shutter, bottom is connected with exhaust opening; The upper end of described outer tube is provided with air intake, and lower end is provided with air outlet slit.
Wherein, the outside of described heat exchanger is also provided with near flue shutter place and connects the operating platform of ground as maintenance.
Wherein, described exhaust opening and heat exchanger pass through Flange joint.
Wherein, described heat exchanger and flue shutter pass through Flange joint.
Wherein, described flue shutter and chimney pass through Flange joint.
Compared with prior art, the utility model has the following advantages:
1, heat exchanger and flue shutter are arranged on chimney, and the design length of smoke discharging pipe can be made to shorten, and are convenient to design smoke evacuation system when plane space deficiency.
2, the utility model decreases the equipment total amount of smoke evacuation system, improves smoke evacuation system reliability of operation.
3, equipment of the present utility model is installed, is dismantled convenient, quick, and is convenient to safeguard.
Accompanying drawing explanation
Fig. 1 is existing smoke evacuation system schematic diagram.
Fig. 2 is the schematic diagram of fume extractor described in the utility model.
Fig. 3 is the profile of radiant tube type heat exchanger in the utility model.
Fig. 4 is the profile of flat placed type flue shutter in the utility model.
Detailed description of the invention
For fully understanding the purpose of this utility model, feature and effect, existing by following specific embodiment, and coordinate accompanying drawing, the utility model is described in detail as follows:
As shown in Figure 2, heating furnace fume extractor described in the utility model comprises smoke discharging pipe 2, chimney 1, heat exchanger 3 and flue shutter 4.Wherein, smoke discharging pipe 2 is arranged on terrace absolute altitude less than 5, and one end is connected with the heating furnace of smelting shop.Unlike the prior art, smoke discharging pipe 2 is provided with exhaust opening 7 away from the top of one end of heating furnace, and the bottom of described heat exchanger 3 is connected with exhaust opening 7 by connector (as mounting seat), to be vertically set on smoke discharging pipe 2.The top of described heat exchanger 3 is connected with flue shutter 4 bottom, and the top of described flue shutter 4 is connected with the bottom of chimney 1.Wherein, exhaust opening 7 and heat exchanger 3, heat exchanger 3 are all pass through Flange joint with flue shutter 4, flue shutter 4 and chimney 1.
Further, this heat exchanger 3 can be radiant tube type heat exchanger, and it has cylindrical outer tube 31 and is coaxially set in interior pipe 32 wherein, has gap between outer tube 31 and interior pipe 32, and forming a ring-shaped chamber, two ends of ring-shaped chamber are provided with end socket so that it is airtight.The outer wall of described interior pipe 32 is evenly equipped with multiple fin 33, is extended to outer tube 31 direction, to conduct the heat from interior pipe 32 better in cavity volume by interior pipe 32 outer wall.The top of described interior pipe 32 is connected with the bottom of flue shutter 4, bottom is connected with exhaust opening 7 by connector (as mounting seat).The upper end of described outer tube 31 is provided with air intake 34, and lower end is provided with air outlet slit 35, and described air outlet slit 35 is connected with heating furnace by pipeline.
During the work of this radiant tube type heat exchanger, high-temperature flue gas enters pipe 32 in radiant tube type heat exchanger from smoke discharging pipe 2, and upwards flows along it, and its heat of taking conducts to ring-shaped chamber by described fin 33.Meanwhile, the cold air from heat exchanger outside enters ring-shaped chamber from air intake 34 and flows downward, and is conducted the heat come take away through described multiple fin 33, completes the process of atmosphere temperature rising, heat smoke cooling thus.Air after heat temperature raising sends into heating furnace by pipeline, improves the temperature in heating furnace, saves the combustion medium in stove, thus reaches energy-conservation object.
Described flue shutter 4 is flat placed type flue shutter, and its bottom is connected with pipe top in heat exchanger 3, and top is connected with chimney 1 bottom by flange.This flat placed type flue shutter comprises: toroidal shell 41, flashboard turnover panel 42, first backstop projection 44 and the second backstop projection 45.Wherein, described flashboard turnover panel 42 is arranged in described toroidal shell 41 rotationally by the flashboard axis 43 through its diameter line.Described first backstop projection 44 is arranged on the inwall of housing 41, and near housing 41 top, this first backstop projection 44 offsets towards the top edge of the face bottom housing 41 and described flashboard turnover panel 42.Described second backstop projection 45 is arranged on on housing 41 inwall of the first relative side of backstop projection 44, near housing 41 bottom, this the second backstop projection 45 offsets towards the face at housing 41 top and the bottom edge of described flashboard turnover panel 42, described flashboard turnover panel 42 only can be rotated and the anglec of rotation is less than 180 degree to a direction.
For the ease of the maintenance operation of flue shutter 4, the outside of heat exchanger 3 is also provided with the operating platform 6 connecting ground near flue shutter 4 place.
In use, heat smoke flows to heat exchanger 3 by smoke discharging pipe 2 to heating furnace fume extractor of the present utility model, realize exchange heat, waste heat recovery in heat exchanger 3 after, the heat smoke reducing temperature more successively via flue shutter and smoke stack emission in air.Discharge excessive in, control the circulation area of smoke-exhaust pipeline by adjusting the aperture of flue shutter 4, to reach the object regulating heating furnace furnace pressure.
Heat exchanger 3 of the present utility model and flue shutter 4 be all be arranged on chimney 1 between bottom and ground, do not take the area in heating furnace workshop, be therefore more suitable for that heating furnace floor space is limited, smoke discharging pipe length limited or the intensive environment of smoke discharging pipe ground installations.
Can be understood as, the utility model is described by some embodiments, and those skilled in the art, when not departing from spirit and scope of the present utility model, can carry out various change or equivalence replacement to these characteristic sum embodiments.In addition, under instruction of the present utility model, can modify to adapt to concrete situation and material to these characteristic sum embodiments and spirit and scope of the present utility model can not be departed from.Therefore, the utility model is not by the restriction of specific embodiment disclosed herein, and the embodiment in the right of all the application of falling into all belongs to protection domain of the present utility model.
Claims (8)
1. a heating furnace fume extractor, comprising: the smoke discharging pipe (2) be connected with heating furnace; Be vertically set on the chimney (1) on smoke discharging pipe (2); It is characterized in that, described smoke discharging pipe (2) is provided with exhaust opening (7) away from the top of one end of heating furnace; Described exhaust opening (7) is vertically connected with heat exchanger (3), the top of described heat exchanger (3) is connected with flue shutter (4); The top of described flue shutter (4) is connected with chimney (1).
2. heating furnace fume extractor as claimed in claim 1, it is characterized in that, described flue shutter (4) is flat placed type flue shutter, comprising: toroidal shell (41), flashboard turnover panel (42), the first backstop projection (44) and the second backstop projection (45); Described flashboard turnover panel (42) is arranged in described toroidal shell (41) by the flashboard axis (43) through its diameter line rotationally; Described first backstop projection (44) is arranged on the inwall of housing (41), near housing (41) top, described first backstop projection (44) offsets towards the face of housing (41) bottom and the top edge of described flashboard turnover panel (42); Described second backstop projection (45) is arranged on on housing (41) inwall of the first backstop projection (44) relative side, near housing (41) bottom, described second backstop projection (45) offsets towards the face at housing (41) top and the bottom edge of described flashboard turnover panel (42).
3. heating furnace fume extractor as claimed in claim 2, it is characterized in that, described flashboard turnover panel (42) only can rotate to a direction and the anglec of rotation is less than 180 degree.
4. heating furnace fume extractor as claimed in claim 1, it is characterized in that, described heat exchanger (3) is radiant tube type heat exchanger, comprising: cylindrical outer tube (31) and the interior pipe (32) be coaxially set in wherein; Have gap between outer tube (31) and interior pipe (32), form a ring-shaped chamber, two ends of ring-shaped chamber are provided with end socket so that it is airtight; The outer wall of described interior pipe (32) is evenly equipped with multiple heat transmission fin (33); The top of described interior pipe (32) is connected with the bottom of flue shutter (4), bottom is connected with exhaust opening (7); The upper end of described outer tube (31) is provided with air intake (34), and lower end is provided with air outlet slit (35).
5. heating furnace fume extractor as claimed in claim 1, is characterized in that, the outside of described heat exchanger (3) is also provided with near flue shutter (4) place and connects the operating platform (6) of ground as maintenance.
6. heating furnace fume extractor as claimed in claim 1, is characterized in that, described exhaust opening (7) and heat exchanger (3) pass through Flange joint.
7. heating furnace fume extractor as claimed in claim 1, is characterized in that, described heat exchanger (3) and flue shutter (4) pass through Flange joint.
8. heating furnace fume extractor as claimed in claim 1, is characterized in that, described flue shutter (4) and chimney (1) pass through Flange joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811279.7U CN204346191U (en) | 2014-12-19 | 2014-12-19 | A kind of heating furnace fume extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811279.7U CN204346191U (en) | 2014-12-19 | 2014-12-19 | A kind of heating furnace fume extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346191U true CN204346191U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420811279.7U Expired - Fee Related CN204346191U (en) | 2014-12-19 | 2014-12-19 | A kind of heating furnace fume extractor |
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| Country | Link |
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| CN (1) | CN204346191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062234A (en) * | 2017-01-13 | 2017-08-18 | 安徽未名鼎和环保有限公司 | A kind of excellent garbage disposal furnace of pre-heat effect |
-
2014
- 2014-12-19 CN CN201420811279.7U patent/CN204346191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062234A (en) * | 2017-01-13 | 2017-08-18 | 安徽未名鼎和环保有限公司 | A kind of excellent garbage disposal furnace of pre-heat effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150520 Termination date: 20171219 |