CN201875729U - Flue damper - Google Patents
Flue damper Download PDFInfo
- Publication number
- CN201875729U CN201875729U CN201020258792XU CN201020258792U CN201875729U CN 201875729 U CN201875729 U CN 201875729U CN 201020258792X U CN201020258792X U CN 201020258792XU CN 201020258792 U CN201020258792 U CN 201020258792U CN 201875729 U CN201875729 U CN 201875729U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- main shaft
- valve plate
- main
- flue
- 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
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a flue damper, comprising: several sheets of valve plates; several main shafts respectively corresponding to each valve plate, each valve plate is fixed on the corresponding main shaft; a pin is disposed at the upper part of a flue, one end of all the main shafts are in a bearing connection with the pin; a cylinder is provided with one end hinged to an external device; a a linkage mechanism is connected with the other end of the cylinder and one end of all the main shafts, and pushes all the main shafts to rotate around itself under the control of the cylinder. The beneficial effects of the flue damper are in that: response speed and airflow distribution uniformity are greatly improved, even under the condition of a smaller flue gas flow, good adjusting performance can also be guaranteed.
Description
Technical field
The utility model relates to a kind of flue shutter, particularly a kind of venetian blind type flue shutter that can link and regulate that is divided into multi-disc.
Background technology
The size of the control furnace pressure of furnace pressure and distribution are to the shape of furnace flame, and the atmosphere in the distribution of temperature and the stove thereof etc. are all influential.The furnace pressure system also is to influence the steel billet firing rate simultaneously, and heating quality and fuel utilize the key factor of quality.When being negative pressure in the stove, can suck a large amount of cold airs from fire door and various hole, increased the consumption coefficient of air, even more serious is because cold air is close to billet surface, severe exacerbation furnace wall, furnace gas heat transfer condition to steel, reduced the gentle furnace temperature of steel, prolonged heat time heating time, fuel consumption is strengthened.Therefore, heating furnace sucks for fear of cold air in the course of the work, and furnace pressure must keep pressure-fired, and can keep stable.For this reason, in the prior art, the flue after being positioned at heat exchanger is provided with a flue shutter, and by regulating the opening degree of flue shutter, the furnace pressure of keeping under the different operating modes of heating furnace is stable.
Yet, the operating mode more complicated of heating furnace, the frequent unlatching of fire door, dress/tapping action, change of production, burner start and stop or the like, the capital causes the fluctuation of furnace pressure, for obtaining good heating quality and performance indications, the control of furnace pressure is one of important regulating and controlling means, and its governing speed must respond the variation of these operating modes rapidly.
The flue shutter of the heating furnace of prior art adopts the throw-over catch plate structure usually, and electric operator drives.Such as the patent No. is 200820108906, patent name is a kind of patent of flue shutter of carbon calciner, disclose following content: a kind of flue shutter of carbon calciner, it is characterized in that this flue shutter structure comprises: flashboard core frame, this core frame are the square framework of trellis steel; Flashboard plate body, this plate body are the plate body adaptive with the flue shape of the plate shape that is skeleton with flashboard core frame, formed by refractory material casting.This version has a bigger weakness: because the valve plate area is bigger, thereby response speed is limited when regulating the valve plate aperture, and can cause the bias current of flue gas, and particularly (be flashboard aperture hour) bias current is especially obvious under the low discharge situation.
Therefore, how to provide a kind of response speed height, the low flue shutter of flue gas bias current, become the problem that those skilled in the art need solve.
The utility model content
Technical scheme to be solved of the present utility model provides a kind of venetian blind type flue shutter that can link and regulate that is divided into multi-disc, to solve the deficiencies in the prior art.
For solving technique scheme, the utility model provides a kind of flue shutter, comprising: be divided into some valve plate; With every valve plate some main shafts one to one, every flashboard all is fixed on the main shaft corresponding with it; Be arranged on the pin of flue top, the equal bearing of an end of all main shafts is connected on the described pin; One end is hinged on the cylinder on the external equipment; Be connected with the other end of described cylinder and an end of described all main shafts, under the control of described cylinder, promote described all main shafts around the linkage that himself rotates.
As one of preferred version of the present utility model, described flue shutter is divided into four, is respectively first valve plate, second valve plate, the 3rd valve plate, reaches the 4th valve plate; Described main shaft has four, is respectively first main shaft, second main shaft, the 3rd main shaft, reaches four main; Described first valve plate is fixed on described first main shaft, and described second valve plate is fixed on described second main shaft, and described the 3rd valve plate is fixed on described the 3rd main shaft, and described the 4th valve plate is fixed on the described four main.
As one of preferred version of the present utility model, described linkage comprises first connecting rod, second connecting rod, third connecting rod, the 4th connecting rod, the 5th connecting rod, the 6th connecting rod, reaches seven-link assembly; The other end of described first connecting rod one end and described cylinder is hinged, and the other end of described first connecting rod is hinged with an end of described third connecting rod and described the 4th connecting rod respectively, and an end of the middle part of described first connecting rod and described second main shaft is affixed; One end of the other end of described third connecting rod and described second connecting rod is hinged, and the other end of described second connecting rod and described first main shaft are affixed; One end of the other end of described the 4th connecting rod and described the 5th connecting rod is hinged, and an end of the other end of described the 5th connecting rod and described the 6th connecting rod is hinged, and an end of the middle part of described the 5th connecting rod and described the 3rd main shaft is affixed; The other end of described the 6th connecting rod and described seven-link assembly are hinged, and the other end of described seven-link assembly and described four main are affixed.
As one of preferred version of the present utility model, described first connecting rod rotates around the affixed point of itself and described second main shaft; Described second connecting rod rotates around the affixed point of itself and described first main shaft; Described the 5th connecting rod rotates around the affixed point of itself and described the 3rd main shaft; Described seven-link assembly rotates around the affixed point of itself and described four main.
As one of preferred version of the present utility model, described first main shaft, second main shaft, the 3rd main shaft, an and end of the four main surface of all protruding described pin, described first connecting rod, described second connecting rod, described the 5th connecting rod, and described seven-link assembly respectively with described first main shaft, second main shaft, the 3rd main shaft, and four main to protrude the part on surface of described pin affixed.
As one of preferred version of the present utility model, described first valve plate, described second valve plate, described the 3rd valve plate, and the middle part of described the 4th valve plate respectively with described first main shaft, described second main shaft, described the 3rd main shaft, and described four main fix.
As one of preferred version of the present utility model, the other end of described all flue shutters is a free end, and all and between the flue bottom leaves the expansion clearance.
The beneficial effects of the utility model are: response speed, distribution of air flow uniformity improve greatly, even when less flue gas flow, still can guarantee good adjusting function.
Description of drawings
The flue shutter that Fig. 1 provides for the utility model face structural representation.
The plan structure schematic diagram of the flue shutter that Fig. 2 provides for the utility model.
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
A kind of flue shutter comprises:
Be divided into some valve plate;
With every valve plate some main shafts one to one, every valve plate all is fixed on the main shaft corresponding with it;
Be arranged on the pin of flue top, the equal bearing of an end of all main shafts is connected on the described pin;
One end is hinged on the cylinder on the external equipment;
Be connected with the other end of described cylinder and an end of described all main shafts, under the control of described cylinder, promote described all main shafts around the linkage that himself rotates.
Under preferable situation, flue shutter is divided into 4, and main shaft is 4.
See also Fig. 1, flue shutter is divided into four, is respectively first valve plate 12, second valve plate 22, the 3rd valve plate 32, reaches the 4th valve plate 42; Main shaft has four, is respectively first main shaft 11, second main shaft 21, the 3rd main shaft 31, reaches four main 41; First valve plate 12 is fixed on first main shaft 11, and second valve plate 22 is fixed on second main shaft 21, and the 3rd valve plate 32 is fixed on the 3rd main shaft 31, and the 4th valve plate 42 is fixed on the four main 41.
See also Fig. 1 and Fig. 2, first main shaft 11, second main shaft 21, the 3rd main shaft 31, and four main 41 respectively by clutch shaft bearing 13, second bearing 23, the 3rd bearing 33, and the 4th bearing 43 be connected on the pin 5.Pin 5 is arranged on the top of flue, so that first main shaft 11, second main shaft 21, the 3rd main shaft 31, four main 41, and first valve plate 12, second valve plate 22, the 3rd valve plate 32, the 4th valve plate 42 that are separately fixed on first main shaft 11, second main shaft 21, the 3rd main shaft 31, the four main 41 can be suspended in the flue.
One end of cylinder 7 is hinged on the external equipment, and the externally control motion down of equipment.Linkage comprises first connecting rod 61, second connecting rod 62, third connecting rod 63, the 4th connecting rod 64, the 5th connecting rod 65, the 6th connecting rod 66, reaches seven-link assembly 67; The other end of described first connecting rod 61 1 ends and described cylinder 7 is hinged, the other end of described first connecting rod 61 is hinged with an end of described third connecting rod 63 and described the 4th connecting rod 64 respectively, and an end of the middle part of described first connecting rod 61 and described second main shaft 21 is affixed; One end of the other end of described third connecting rod 63 and described second connecting rod 62 is hinged, and the other end of described second connecting rod 62 and described first main shaft 11 are affixed; One end of the other end of described the 4th connecting rod 64 and described the 5th connecting rod 65 is hinged, and an end of the other end of described the 5th connecting rod 65 and described the 6th connecting rod 66 is hinged, and an end of the middle part of described the 5th connecting rod 65 and described the 3rd main shaft 31 is affixed; The other end of described the 6th connecting rod 66 and described seven-link assembly 67 are hinged, and the other end of described seven-link assembly 67 and described four main 41 are affixed.So, when cylinder 7 promotes first connecting rod (61), first connecting rod (61) can drive whole linkage running, thereby drive first main shaft 11, second main shaft 21, the 3rd main shaft 31, and four main 41 around self rotation, and then control first valve plate 12, second valve plate 22, the 3rd valve plate 32, and the opening degree of the 4th valve plate 42.
Further, described first connecting rod 61 rotates around the affixed point of itself and described second main shaft 21; Described second connecting rod 62 rotates around the affixed point of itself and described first main shaft 11; Described the 5th connecting rod 65 rotates around the affixed point of itself and described the 3rd main shaft 31; Described seven-link assembly 67 rotates around itself and described four main 41 affixed points.
Further, described first main shaft 11, second main shaft 21, the 3rd main shaft 31, an and end of four main 41 surface of all protruding described pin 5, described first connecting rod 61, described second connecting rod 62, described the 5th connecting rod 65, and described seven-link assembly 67 respectively with described first main shaft 11, second main shaft 21, the 3rd main shaft 31, and four main 41 to protrude the part on surface of described pin 5 affixed.
Further, the other end of described all flue shutters is a free end, and all and between the flue bottom leaves the expansion clearance.
In sum, described all valve plates are suspended on the flue basis, and each valve plate has main shaft separately, and valve plate and main shaft lower end are free ends, keep certain expansion clearance with the anti-material in flue bottom; The upper end of each main shaft links to each other with linkage with pin by bearing, and by an air cylinder driven linkage to realize the synchronization action of all valve plates.
Because a flashboard is divided into a plurality of valve plates, makes the area of each valve plate and weight reduce greatly, structure is exquisite more, flexible, and the driving characteristics of linkage and cylinder make that again response speed improves greatly.During a plurality of valve plate synchronization action, just as hang over the fan of one on flue section shutter, make the distribution of air flow uniformity improve greatly, even when less flue gas flow, still can guarantee good adjusting function.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only.Any modification or partial replacement that does not break away from the utility model spirit and scope, as flashboard being divided into three or five or some other, and the structure of correspondingly changing linkage, still make the qigong can drive link mechanism to realize the synchronization action of all valve plates, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. a flue shutter is characterized in that, comprising:
Be divided into some valve plate;
With every valve plate some main shafts one to one, every valve plate all is fixed on the main shaft corresponding with it;
Be arranged on the pin of flue top, the equal bearing of an end of all main shafts is connected on the described pin;
One end is hinged on the cylinder on the external equipment;
Be connected with the other end of described cylinder and an end of described all main shafts, under the control of described cylinder, promote described all main shafts around the linkage that himself rotates.
2. flue shutter as claimed in claim 1 is characterized in that: described flue shutter is divided into four, is respectively first valve plate (12), second valve plate (22), the 3rd valve plate (32), reaches the 4th valve plate (42); Described main shaft has four, is respectively first main shaft (11), second main shaft (21), the 3rd main shaft (31), reaches four main (41); Described first valve plate (12) is fixed on described first main shaft (11), described second valve plate (22) is fixed on described second main shaft (21), described the 3rd valve plate (32) is fixed on described the 3rd main shaft (31), and described the 4th valve plate (42) is fixed on the described four main (41).
3. flue shutter as claimed in claim 2 is characterized in that: described linkage comprises first connecting rod (61), second connecting rod (62), third connecting rod (63), the 4th connecting rod (64), the 5th connecting rod (65), the 6th connecting rod (66), reaches seven-link assembly (67); The other end of described first connecting rod (61) one ends and described cylinder is hinged, the other end of described first connecting rod (61) is hinged with an end of described third connecting rod (63) and described the 4th connecting rod (64) respectively, and an end of the middle part of described first connecting rod (61) and described second main shaft (21) is affixed; One end of the other end of described third connecting rod (63) and described second connecting rod (62) is hinged, and the other end of described second connecting rod (62) and described first main shaft (11) are affixed; One end of the other end of described the 4th connecting rod (64) and described the 5th connecting rod (65) is hinged, one end of the other end of described the 5th connecting rod (65) and described the 6th connecting rod (66) is hinged, and an end of the middle part of described the 5th connecting rod (65) and described the 3rd main shaft (31) is affixed; The other end and the described seven-link assembly (67) of described the 6th connecting rod (66) are hinged, and the other end and the described four main (41) of described seven-link assembly (67) are affixed.
4. flue shutter as claimed in claim 3 is characterized in that: described first connecting rod (61) rotates around the affixed point of itself and described second main shaft (21); Described second connecting rod (62) rotates around the affixed point of itself and described first main shaft (11); Described the 5th connecting rod (65) rotates around the affixed point of itself and described the 3rd main shaft (31); Described seven-link assembly (67) rotates around the affixed point of itself and described four main (41).
5. as claim 3 or 4 described flue shutters, it is characterized in that: described first main shaft (11), second main shaft (21), the 3rd main shaft (31), and an end of four main (41) all protrude the surface of described pin (5), described first connecting rod (61), described second connecting rod (62), described the 5th connecting rod (65), and described seven-link assembly (67) respectively with described first main shaft (11), second main shaft (21), the 3rd main shaft (31), and four main (41) to protrude the part on surface of described pin (5) affixed.
6. flue shutter as claimed in claim 2 is characterized in that: described first valve plate (12), described second valve plate (22), described the 3rd valve plate (32), and the middle part of described the 4th valve plate (42) respectively with described first main shaft (11), described second main shaft (21), described the 3rd main shaft (31), and described four main (41) fix.
7. flue shutter as claimed in claim 1 is characterized in that: the other end of described all flue shutters is a free end, and all and between the flue bottom leaves the expansion clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020258792XU CN201875729U (en) | 2010-07-15 | 2010-07-15 | Flue damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020258792XU CN201875729U (en) | 2010-07-15 | 2010-07-15 | Flue damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875729U true CN201875729U (en) | 2011-06-22 |
Family
ID=44163646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020258792XU Expired - Fee Related CN201875729U (en) | 2010-07-15 | 2010-07-15 | Flue damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202558A (en) * | 2015-10-14 | 2015-12-30 | 无锡市华通电力设备有限公司 | Boiler flue temperature adjusting baffle |
| CN107462062A (en) * | 2016-06-02 | 2017-12-12 | 安徽禾阳机械科技有限公司 | One kind dries machine-operated wind apparatus |
-
2010
- 2010-07-15 CN CN201020258792XU patent/CN201875729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202558A (en) * | 2015-10-14 | 2015-12-30 | 无锡市华通电力设备有限公司 | Boiler flue temperature adjusting baffle |
| CN107462062A (en) * | 2016-06-02 | 2017-12-12 | 安徽禾阳机械科技有限公司 | One kind dries machine-operated wind apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201145475Y (en) | Roll table kiln burned by large specification thin sheet ceramic tile | |
| CN107348553B (en) | Tobacco leaf curing barn humiture precise control device and method | |
| CN201875729U (en) | Flue damper | |
| CN105737509B (en) | Refrigerator air door control mechanism | |
| CN202734585U (en) | Pulse-combustion furnace pressure controlling device | |
| CN204443903U (en) | The rotatable food oven of food | |
| CN105909857B (en) | A kind of high-temperature flue gas flow regulator | |
| CN104805247B (en) | A kind of energy-conservation regulation and control method of blast funnace hot blast stove combustion fan | |
| CN208487720U (en) | A kind of energy saving cooling communications equipment room certainly of suitable cold area in north | |
| CN204512465U (en) | A kind of flow-equalizing ventilation modulating valve | |
| JPH1183006A (en) | Method for controlling internal pressure of combustion furnace | |
| CN206723545U (en) | A kind of valve plate automatically controls lower negative pressure igniting new equipment | |
| CN203893679U (en) | Mechanical regulating valve device of cooling air volume | |
| CN102829636A (en) | Control mechanism for opening and closing heating furnace door | |
| CN208218670U (en) | A kind of new aspheric annealing furnace | |
| CN208473638U (en) | A kind of intelligent anti-frost vent window of extremely frigid zones pouity dwelling place | |
| CN106482145B (en) | Tunnel-type hot air stove blowpipe | |
| CN208431909U (en) | A kind of four electronic Variable air volume diffusers of crosswind valve-type of remote control control | |
| CN203259013U (en) | Flap gate type wind adjusting structure of sinter cooling furnace | |
| CN214142084U (en) | Novel ultra-thin float glass groove bottom fan energy-saving device | |
| CN218910230U (en) | Novel coke oven exchange system | |
| CN204550462U (en) | Coke oven flue suction setting device | |
| CN209116323U (en) | A kind of burner hearth auxiliary combustion equipment | |
| CN202265499U (en) | Armorplate glass heating furnace with air vent valves | |
| CN218879814U (en) | Air quantity adjusting device of external hanging type coke oven heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201901 Shanghai city Baoshan District Wenchuan Road No. 1398 Patentee after: Fives Stein Metallurgical Technology (Shanghai) Co. Ltd. Address before: 201901 Shanghai city Baoshan District Wenchuan Road No. 1398 Patentee before: STEIN (SHANGHAI) INDUSTRIAL FURNACE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20180715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |