CN203586243U - Flue damper - Google Patents

Flue damper Download PDF

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Publication number
CN203586243U
CN203586243U CN201320723714.6U CN201320723714U CN203586243U CN 203586243 U CN203586243 U CN 203586243U CN 201320723714 U CN201320723714 U CN 201320723714U CN 203586243 U CN203586243 U CN 203586243U
Authority
CN
China
Prior art keywords
connecting rod
framework
front axle
rotation front
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 - Lifetime
Application number
CN201320723714.6U
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Chinese (zh)
Inventor
张文华
姜安根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Longda Mechanical Equipment Co Ltd
Original Assignee
Jiangsu Longda Mechanical Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Longda Mechanical Equipment Co Ltd filed Critical Jiangsu Longda Mechanical Equipment Co Ltd
Priority to CN201320723714.6U priority Critical patent/CN203586243U/en
Application granted granted Critical
Publication of CN203586243U publication Critical patent/CN203586243U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a flue damper which solves the technical problems that in a flue damper in the prior art, a straight stroke pneumatic actuator lacks a hand wheel mechanism for accidents, and damper blades cannot be opened or closed manually in time when emergency situations occur or during maintenance; deformation of the blades are prone to occurring due to the fact that the pressure in an air cavity sealed by the damper is too high. According to the technical scheme, the flue damper comprises a framework, one or more rotating door arranged on the framework, a driving device arranged on the framework and used for driving the rotating door to rotate and a sealing butterfly valve arranged on the framework and used for sealing the space between the framework and the rotating door. The sealing butterfly valve is connected with the driving device through a connecting rod assembly. The rotating door comprises two leaves, and metal sealing sheets matched with the framework are arranged on the peripheries of the two leaves. An air cavity is formed between the metal sealing sheets and the framework. The leaves are in the shape of an arc.

Description

Baffle board door of flue
Technical field
The utility model relates to a kind of baffle board door of flue.
Background technology
Flue gear in prior art is pulled in door, sometimes on linear motion type pneumatic actuator, lacks accident handwheel, and when running into emergency or keeping in repair, gear is pulled gate flap sheet and cannot be used manually opening and closing in time.Gear is pulled the excessive deformable blade that easily causes of pressure of door sealing air chamber the inside.Pressure is too small, easily causes the leakage of flue gas.
Summary of the invention
Technical problem to be solved in the utility model is: the flue gear of prior art is pulled door, lacks accident handwheel on linear motion type pneumatic actuator, and when running into emergency or keeping in repair, gear is pulled gate flap sheet and cannot be used manually opening and closing in time; Gear is pulled the excessive technical problem that easily causes deformable blade of pressure of door sealing air chamber the inside.
The purpose of this utility model be to provide a kind of can emergency or when maintenance manual unlocking and the baffle board door of flue of closing baffle plate door.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of baffle board door of flue, comprises framework, is arranged on the revolving door that is no less than a fan on framework, is arranged on framework for the drive unit that drives revolving door and rotate and is arranged on framework for the seal butterfly valve between seal frame and revolving door; Described seal butterfly valve is connected with drive unit by link assembly;
Wherein, described revolving door comprises two fan leafs, and the periphery of described two fan leafs is equipped with the metal sealing sheet matching with framework; Between described metal sealing sheet and framework, form air chamber; Described blade is arc line shaped;
One end of described blade is provided with the first rotation front axle, and one end of described the first rotation front axle is rotated and is arranged on blade, the outside that the other end of the first rotation front axle stretches out framework;
One end of described blade is provided with the second rotation front axle, and one end of described the second rotation front axle is rotated and is arranged on blade, the outside that the other end of the second rotation front axle stretches out framework; Described the first rotation front axle and the second rotation front axle are positioned at the same side;
Described drive unit comprises automatic executing agency and manual executing agency; Described automatic executing agency is fixed on framework by mechanism's seat;
Described link assembly comprises first connecting rod cover, second connecting rod cover, first connecting rod, third connecting rod cover, second connecting rod, third connecting rod, the 4th connecting rod and support bar; The turning cylinder of described automatic executing agency is connected with first connecting rod cover, first connecting rod cover is all fixed on the first rotation front axle with second connecting rod cover, third connecting rod cover is fixed on the second rotation front axle, one end of described first connecting rod and second connecting rod cover are rotatedly connected, and the other end of first connecting rod and third connecting rod cover are rotatedly connected; Output shaft in described seal butterfly valve is connected with the 4th connecting rod, and described the 4th connecting rod is fixed on framework by support bar; One end of described third connecting rod is fixed on the 4th connecting rod, and the other end of third connecting rod and one end of second connecting rod are rotatedly connected; The other end of described second connecting rod and second connecting rod cover are rotatedly connected;
Support in described manual executing agency is fixed on framework, and manually the rotating shaft in executing agency can disengaged be arranged on the end of the first rotation front axle.
The design of the quantity of the revolving door that is arranged on inner frame described in the utility model is to determine according to the size of actual field inner flue; As larger in the actual size of flue, the quantity of required revolving door is many; Otherwise the quantity of required revolving door is few.The utility model structure, the change of revolving door quantity, can be to the variation of the utility model structure generation essence.
Rotating shaft in manual executing agency described in the utility model can disengaged be arranged on the end of the first rotation front axle; Here describe and can structure be set disengaged, the concrete rotating shaft in manual executing agency is provided with connecting hole, and this connecting hole matches with the hole on the first rotation front axle; In use, as needs are connected rotating shaft with the first rotation front axle, only bearing pin need to be inserted in the connecting hole of rotating shaft and front axle, realize rotating shaft and be connected with the first rotation front axle; Now, hand rotation rotating shaft, rotating shaft rotates, and drives the first rotation front axle to rotate, and the first rotation front axle rotates by link assembly and drives the second rotation front axle to rotate; Final driven rotary door rotates, and realizes opening or closing of revolving door.
The utility model also comprises limit switch, and described limit switch is connected with the second rotation front axle by rotating shaft.Limit switch described in the utility model is limit switch of the prior art, and its concrete structure the utility model is not described in detail.The utility model arranges limit switch and can effectively prevent automatic executing agency maloperation and cause revolving door fault.When automatic executing agency maloperation causes the rotation of revolving door to exceed predefined position, the shake-up contact in limit switch is upper, limit switch work or warning, and operating personnel's deenergization, revolving door stops.
The utility model also comprises pressure switch and Pressure gauge; Described pressure switch and Pressure gauge are fixed on framework by pipeline; Described pipeline is connected with air chamber.Pressure switch and Pressure gauge are set in the utility model and its objective is the safe operation of assurance baffle board door of flue energy.Pressure switch described in the utility model and Pressure gauge are pressure switch of the prior art and Pressure gauge; Pressure gauge can very intuitively and clearly demonstrate air chamber internal pressure, and when the pressure of Pressure gauge demonstration exceedes the force value setting in advance, pressure switch is reported to the police, operating personnel's deenergization, and revolving door stops.
The other end of blade described in the utility model rotates and is provided with the first rotation rear axle, and described the first rotation rear axle is arranged on framework by packing seal.The other end of described blade rotates and is provided with the second rotation rear axle, and described the second rotation rear axle is arranged on framework by packing seal.The utility model is arranged on the first rotation rear axle and the stability of the second rotation rear axle can effectively guarantee blade rotary time.
The utility model also comprise be arranged on framework for discharging the blow-off pipe of the cigarette ash adsorbing in framework.
In the utility model, described automatic executing agency is pneumatic actuator.Automatic executing agency described in the utility model adopts automatic executing agency of the prior art all can use.But the utility model is considered from production cost angle, is preferentially adopted the pneumatic actuator that cost is low.
Blade described in the utility model is arc line shaped.The utility model adopts the blade of arc line shaped, can effectively reduce the resistance of flue gas circulation.
Framework described in the utility model adopts angle steel welding of the prior art to make.
Between one end of first connecting rod in the utility model and second connecting rod cover, be to realize and being rotatedly connected by oscillating bearing; Between the other end of first connecting rod and third connecting rod cover, be to realize and being rotatedly connected by oscillating bearing; Between the other end of third connecting rod and second connecting rod, be to realize and being rotatedly connected by oscillating bearing; Between the other end of described second connecting rod and second connecting rod cover, be to realize and being rotatedly connected by oscillating bearing.Oscillating bearing described in the utility model is oscillating bearing of the prior art, and its concrete structure the utility model is not described in detail.
Packing seal described in the utility model is packing seal of the prior art, and the structure that it is concrete and operation principle the utility model are not described in detail.
Seal butterfly valve described in the utility model is seal butterfly valve of the prior art, and the structure that it is concrete and operation principle the utility model are not described in detail.
The operation principle of the utility model baffle board door of flue is:
In use, the utility model baffle board door of flue is arranged on to flue outlet place; When the situation of automatic executing agency work, first the rotating shaft of manual executing agency and the first rotation front axle must be thrown off; Then, automatic executing agency work, the turning cylinder of automatic executing agency rotates, and by link assembly driven rotary door, is opened or is closed.When closing revolving door, by the second connecting rod in link assembly, third connecting rod, the 4th connecting rod and support bar, open seal butterfly valve simultaneously, seal butterfly valve is by outside air blast, in air chamber between the metal sealing sheet on two fan leafs in revolving door and framework, pass into sealing air, air chamber is filled up, form sealing air separation layer, block passing through of flue gas.
The utility model is compared with prior art: 1, the good sealing effect of the utility model baffle board door of flue, reliability is high.2, the blade in the utility model device, adopts arc line shaped, can effectively reduce the resistance of flue gas circulation.3, the link assembly in the utility model, adopts oscillating bearing to be connected between each connecting rod and connecting rod cover, can realize 360 ° of rotations, can effectively prevent idle stroke and impact, effectively guarantees accurately location and ensuring smooth transmission of blade.4, the utility model baffle board door of flue adopts pneumatic actuator and manual executing agency, can easily switch each other, and effectively guarantee baffle board door of flue in case of emergency or can open or close in time during maintenance; Also can guarantee, the in the situation that of power-off, also can easily open or close baffle board door of flue simultaneously.
Accompanying drawing explanation
Fig. 1 is the left-half schematic diagram take A-A as geosutures of structural representation of the present utility model.
Fig. 2 is the right half part schematic diagram take A-A as geosutures of structural representation of the present utility model.
Fig. 3 is the structural representation of the utility model blade.
Wherein, 1, framework, 2, 2 ', blade, 3, air chamber, 4, metal sealing sheet, 5, first connecting rod cover, 6, second connecting rod cover, 7, first connecting rod, 8, seal butterfly valve, 9, third connecting rod cover, 10, second connecting rod, 11, third connecting rod, 12, the 4th connecting rod, 13, support bar, 14, automatic executing agency, 15, manually executing agency, 16, mechanism's seat, 17, the first rotation front axle, 19, the second rotation front axle, 20, limit switch, 21, rotating shaft, 22, pressure switch, 23, Pressure gauge, 24, pipeline, 25, the first rotation rear axle, 26, the second rotation rear axle, 27, blow-off pipe, 28, support, 29, rotating shaft, 30, output shaft, turning cylinder 31.
The specific embodiment
For content of the present utility model is become apparent more, below in conjunction with accompanying drawing 1-3 and the specific embodiment, be further described.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Baffle board door of flue of the present utility model comprises framework 1, revolving door, drive unit, seal butterfly valve 8, link assembly, limit switch 20, pressure switch 22, Pressure gauge 23, pipeline 24 and blow-off pipe 27;
Revolving door comprises blade 2,2 ', the first rotation front axle 17, the second rotation front axle 19, the first rotation rear axle 25, the second rotation rear axle 26 and metal sealing sheets 4;
Drive unit comprises automatic executing agency 14, manually executing agency 15, and mechanism's seat 16, support 28, rotating shaft 21;
Link assembly comprises first connecting rod cover 5, second connecting rod cover 6, first connecting rod 7, third connecting rod cover 9, second connecting rod 10, third connecting rod 11, the four connecting rods 12 and support bar 13;
Revolving door in the utility model is arranged on framework 1, and drive unit is arranged on framework 1 for driving revolving door 2 to rotate, and seal butterfly valve 8 is arranged on framework 1 for forming air chamber 3 between the metal sealing sheet 4 on the blade in sealing rotary revolving door 2 and framework 1; Seal butterfly valve 8 in the utility model is connected with drive unit by link assembly.
Revolving door comprises two fan leafs 2,2 ', and the periphery of described two fan leafs 2,2 ' is equipped with the metal sealing sheet 4 matching with framework 1; Between described metal sealing sheet 4 and framework 1, form air chamber 3; The utility model Leaf 2,2 ' is arc line shaped.As shown in Figure 3.One end rotation that one end of blade 2 is provided with the first rotation front axle 17, the first rotation front axles 17 is arranged on blade 2, the outside that the other end of the first rotation front axle 17 stretches out framework 1; Between the first rotation front axle 17 and framework 1, by packing seal, be connected and also can realize and being rotatedly connected.One end rotation that one end of blade 2 ' is provided with the second rotation front axle 19, the second rotation front axles 19 is arranged on blade 2 ' above, the outside that the other end of the second rotation front axle 19 stretches out framework 1; Between the secondth rotation front axle 19 and framework 1, by packing seal, be connected and also can realize and being rotatedly connected; The first rotation front axle 17 and the second rotation front axle 19 are positioned at the same side.The other end rotation of the utility model blade 2 is provided with the first rotation rear axle 25, the first rotation rear axles 25 and is arranged on framework 1 by packing seal.The other end of blade 2 ' rotates and is provided with the second rotation rear axle 26, and described the second rotation rear axle 26 is arranged on framework 1 by packing seal.The utility model is arranged on the first rotation rear axle 25 and the second rotation rear axle 26 can guarantee blade 2, stability during 2 ' rotation effectively.
Link assembly comprises first connecting rod cover 5, second connecting rod cover 6, first connecting rod 7, third connecting rod cover 9, second connecting rod 10, third connecting rod 11, the 4th connecting rod 12 and support bar 13; The turning cylinder 31 of described automatic executing agency 14 is connected with first connecting rod cover 5, first connecting rod cover 5 is all fixed on the first rotation front axle 17 with second connecting rod cover 6, third connecting rod cover 9 is fixed on the second rotation front axle 19, between one end of described first connecting rod 7 and second connecting rod cover 6, is to be realized and being rotatedly connected by oscillating bearing; Between the other end of first connecting rod 7 and third connecting rod cover 9, be to realize and being rotatedly connected by oscillating bearing; Output shaft 30 in described seal butterfly valve 8 is connected with the 4th connecting rod 12, and described the 4th connecting rod 12 is fixed on framework 1 by support bar 13; One end of described third connecting rod 11 is fixed on the 4th connecting rod 12, between the other end of third connecting rod 11 and one end of second connecting rod 10, is to be realized and being rotatedly connected by oscillating bearing; Between the other end of described second connecting rod 10 and second connecting rod cover 6, be to realize and being rotatedly connected by oscillating bearing.
Automatic executing agency 14 in drive unit is fixed on framework 1 by mechanism's seat 16; Manually the support 28 in executing agency 15 is fixed on framework 1, and manually the rotating shaft 29 in executing agency 15 can disengaged be arranged on the end of the first rotation front axle 17.
Limit switch 20 is connected with the second rotation front axle 19 by rotating shaft 21.The utility model arranges limit switch 20 and can effectively prevent automatic executing agency maloperation and cause revolving door fault.When automatic executing agency maloperation causes the rotation of revolving door to exceed predefined position, the shake-up contact in limit switch 20 is upper, and limit switch 20 is worked or reported to the police, operating personnel's deenergization, and revolving door stops.
Pressure switch 22 and Pressure gauge 23 are fixed on framework 1 by pipeline 24; Pipeline 24 is connected with air chamber 3.Pressure switch 22 and Pressure gauge 23 are set in the utility model and its objective is the safe operation of assurance baffle board door of flue energy.Pressure gauge 23 can very intuitively and clearly demonstrate air chamber 3 internal pressures, and when the pressure showing when Pressure gauge 23 exceedes the force value setting in advance, pressure switch 22 is reported to the police, operating personnel's deenergization, and revolving door stops.
The utility model also comprise be arranged on framework 1 for discharging the blow-off pipe 27 of cigarette ash of framework 1 interior absorption.
The utility model does not relate to partly all same as the prior art or employing prior aries to be realized.

Claims (7)

1. a baffle board door of flue, it is characterized in that, comprise framework (1), be arranged on the revolving door that is no less than a fan on framework (1), be arranged on framework (1) for the drive unit that drives revolving door (2) and rotate and be arranged on framework (1) for the seal butterfly valve (8) between seal frame (1) and revolving door (2); Described seal butterfly valve (8) is connected with drive unit by link assembly;
Wherein, described revolving door comprises two fan leafs (2,2 '), and the periphery of described two fan leafs (2,2 ') is equipped with the metal sealing sheet (4) matching with framework (1); Between described metal sealing sheet (4) and framework (1), form air chamber (3); Described blade (2,2 ') is arc line shaped;
One end of described blade (2) is provided with the first rotation front axle (17), and one end of described the first rotation front axle (17) is rotated and is arranged on blade (2) above, and the other end of the first rotation front axle (17) stretches out the outside of framework (1);
One end of described blade (2 ') is provided with the second rotation front axle (19), and one end of described the second rotation front axle (19) is rotated and is arranged on blade (2 ') above, and the other end of the second rotation front axle (19) stretches out the outside of framework (1); Described the first rotation front axle (17) is positioned at the same side with the second rotation front axle (19);
Described drive unit comprises automatic executing agency (14) and manual executing agency (15); Described automatic executing agency (14) is fixed on framework (1) by mechanism's seat (16);
Described link assembly comprises first connecting rod cover (5), second connecting rod cover (6), first connecting rod (7), third connecting rod cover (9), second connecting rod (10), third connecting rod (11), the 4th connecting rod (12) and support bar (13); The turning cylinder (31) of described automatic executing agency (14) is connected with first connecting rod cover (5), first connecting rod cover (5) is all fixed on the first rotation front axle (17) with second connecting rod cover (6), third connecting rod cover (9) is fixed on the second rotation front axle (19), one end of described first connecting rod (7) and second connecting rod cover (6) are rotatedly connected, and the other end of first connecting rod (7) and third connecting rod cover (9) are rotatedly connected; Output shaft (30) in described seal butterfly valve (8) is connected with the 4th connecting rod (12), and described the 4th connecting rod (12) is fixed on framework (1) by support bar (13); It is upper that one end of described third connecting rod (11) is fixed on the 4th connecting rod (12), and one end of the other end of third connecting rod (11) and second connecting rod (10) is rotatedly connected; The other end of described second connecting rod (10) and second connecting rod cover (6) are rotatedly connected;
It is upper that support (28) in described manual executing agency (15) is fixed on framework (1), and manually the rotating shaft (29) in executing agency (15) can disengaged be arranged on the end of the first rotation front axle (17).
2. baffle board door of flue as claimed in claim 1, is characterized in that, also comprises limit switch (20), and described limit switch (20) is connected with the second rotation front axle (19) by rotating shaft (21).
3. baffle board door of flue as claimed in claim 1, is characterized in that, also comprises pressure switch (22) and Pressure gauge (23); Described pressure switch (22) and Pressure gauge (23) are fixed on framework (1) by pipeline (24); Described pipeline (24) is connected with air chamber (3).
4. baffle board door of flue as claimed in claim 1, is characterized in that, the other end of described blade (2) rotates and is provided with the first rotation rear axle (25), and described the first rotation rear axle (25) is arranged on framework (1) by packing seal.
5. baffle board door of flue as claimed in claim 1, is characterized in that, the other end of described blade (2 ') rotates and is provided with the second rotation rear axle (26), and described the second rotation rear axle (26) is arranged on framework (1) by packing seal.
6. baffle board door of flue as claimed in claim 1, is characterized in that, also comprise be arranged on framework (1) for discharging the blow-off pipe (27) of the cigarette ash of absorption in framework (1).
7. baffle board door of flue as claimed in claim 1, is characterized in that, described automatic executing agency (14) is pneumatic actuator.
CN201320723714.6U 2013-11-15 2013-11-15 Flue damper Expired - Lifetime CN203586243U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320723714.6U CN203586243U (en) 2013-11-15 2013-11-15 Flue damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320723714.6U CN203586243U (en) 2013-11-15 2013-11-15 Flue damper

Publications (1)

Publication Number Publication Date
CN203586243U true CN203586243U (en) 2014-05-07

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ID=50584154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320723714.6U Expired - Lifetime CN203586243U (en) 2013-11-15 2013-11-15 Flue damper

Country Status (1)

Country Link
CN (1) CN203586243U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930530A (en) * 2015-07-14 2015-09-23 于复东 Flue flow control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930530A (en) * 2015-07-14 2015-09-23 于复东 Flue flow control device
CN104930530B (en) * 2015-07-14 2018-11-16 于复东 Flue volume control device

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CX01 Expiry of patent term

Granted publication date: 20140507

CX01 Expiry of patent term