CN202612852U - Support and limit device for boiler flue - Google Patents

Support and limit device for boiler flue Download PDF

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Publication number
CN202612852U
CN202612852U CN 201220277868 CN201220277868U CN202612852U CN 202612852 U CN202612852 U CN 202612852U CN 201220277868 CN201220277868 CN 201220277868 CN 201220277868 U CN201220277868 U CN 201220277868U CN 202612852 U CN202612852 U CN 202612852U
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CN
China
Prior art keywords
girder steel
boiler
air channel
steel beam
sliding plate
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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Withdrawn - After Issue
Application number
CN 201220277868
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Chinese (zh)
Inventor
赵彦华
郭建明
王占军
王丽新
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.)
Harbin Boiler Co Ltd
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Harbin Boiler Co Ltd
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Filing date
Publication date
Application filed by Harbin Boiler Co Ltd filed Critical Harbin Boiler Co Ltd
Priority to CN 201220277868 priority Critical patent/CN202612852U/en
Application granted granted Critical
Publication of CN202612852U publication Critical patent/CN202612852U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a support and limit device for a boiler flue. Along with the improvement on the environmental protection requirement of boilers, nitrogen oxides are required to be reduced. In the mature technology, a boiler adopts over-fire air to lower the emission amount of nitrogen oxides. The support and limit device for the boiler flue comprises a flue protecting plate (1), an over-fire air flue, and a boiler steel beam (2), wherein the flue protecting plate (1) is connected with one end of a transverse steel beam (3), the other end of the transverse steel beam is connected with the boiler steel beam, a slide gasket plate (4) is mounted between the transverse steel beam and the boiler steel beam, the boiler steel beam is connected with a limit block (5), the limit block is used for limiting the slide gasket plate, the transverse steel beam is connected with a vertical steel beam (7), the other end of the vertical beam is connected with the over-fire flue, the vertical steel beam is connected with an inclined steel beam (6), and the other end of the inclined steel beam is connected with the flue protecting plate. The support and limit device for the boiler flue is used for supporting and limiting the boiler flue.

Description

The supporting and limiting device in boiler air channel
Technical field:
model utility relates to the supporting and limiting device in a kind of boiler air channel.
Background technique:
along with the raising of boiler environmental requirement, the requirement that reduces nitrogen oxide is following.The discharge amount that boiler adopts burnt wind to reduce nitrogen oxide has been a mature technique.Burn air channel one side and directly link to each other with boiler SOFA (burning) burner, opposite side links to each other with hot secondary flue, and this just makes the after-flame air channel in Vertical direction and substantially horizontal bigger displacement arranged all.Other air channels are supported with spacing the branch and are arranged before, and this just need be provided with corresponding girder steel.
The model utility content:
The purpose of model utility provides and supports and the constructional device that is limited in one a kind of the collection, and this structure manufacturing is simple, easy for installation, and bearing capacity is big, has reduced the setting of girder steel, has practiced thrift steel.
Above-mentioned purpose realizes through following technological scheme:
The supporting and limiting device in a kind of boiler air channel, its composition comprises: the air channel backplate, burn air channel, boiler girder steel, described air channel backplate connection horizontal girder steel one end; The described horizontal girder steel the other end connects described boiler girder steel; Between described horizontal girder steel and the described boiler girder steel sliding plate is housed, described boiler girder steel connects limiting stopper, and described limiting stopper limits described sliding plate; Described horizontal girder steel connects perpendicular girder steel; The described perpendicular girder steel the other end connects the described air channel that burns, and described perpendicular girder steel connects oblique girder steel, and the described oblique girder steel the other end connects described air channel backplate.
The supporting and limiting device in described boiler air channel, described horizontal girder steel is No20, and described perpendicular girder steel is No20, and described oblique girder steel is No20.
The supporting and limiting device in described boiler air channel; The size of described sliding plate is less than the width of boiler steel flange of beam; Less than being of a size of 90-110mm; The length of described limiting stopper is 20-30mm, and the height of described limiting stopper is greater than the height of described sliding plate.
Beneficial effect:
The air channel problem of 1 spacing easy unstability has in the horizontal direction been avoided in 1. the utility model; This structure manufacturing is simple, easy for installation, and bearing capacity is big, has reduced the setting of girder steel, makes boiler steel structure advantages of simple more, has practiced thrift steel.
2. the utility model is simple in structure, support effect good, and is easy for installation, and bearing capacity is big, has reduced the setting of girder steel, has practiced thrift steel.
3. the distance of horizontal girder steel and the both sides, air channel of the utility model equate as far as possible, can load be reduced to equal portion load, are convenient to calculate, and improve Security.
4. the utility model sliding plate need be welded on the boiler girder steel in the direction of accompanying drawing 1 between two parties; And limiting stopper will be installed, so sliding plate must be less than boiler steel flange of beam width in the size of accompanying drawing 1 direction, general limiting stopper is of a size of 20-30mm in accompanying drawing 1 direction; So the size of accompanying drawing 1 direction one side should be about 50 mm; So both convenient the installation can be controlled the size of sliding plate again, avoided satisfying the heavy in section sliding plate of selection under the situation of usage requirement; Increase the problem of equipment cost; The size of another direction of sliding plate is selected face width in that satisfy can be free arbitrarily under the situation of usage requirement, and material is easy to get.
5. the height of the limiting stopper of the utility model greater than the height of sliding plate, good limit effect, accurate positioning.
Description of drawings:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is right elevations of accompanying drawing 1.
accompanying drawing 3 is mounting point figure of accompanying drawing 1.
accompanying drawing 4 is right elevations of accompanying drawing 3.
Embodiment:
Embodiment 1:
The supporting and limiting device in a kind of boiler air channel, its composition comprises: air channel backplate 1, burn air channel, boiler girder steel 2, described air channel backplate connection horizontal girder steel 3 one ends; The described horizontal girder steel the other end connects described boiler girder steel; Between described horizontal girder steel and the described boiler girder steel sliding plate 4 is housed, described boiler girder steel connects limiting stopper 5, and described limiting stopper limits described sliding plate; Described horizontal girder steel connects perpendicular girder steel 7; The described perpendicular girder steel the other end connects the described air channel that burns, and described perpendicular girder steel connects oblique girder steel 6, and the described oblique girder steel the other end connects described air channel backplate.
The supporting and limiting device in described boiler air channel, described horizontal girder steel is No20, and described perpendicular girder steel is No20, and described oblique girder steel is No20.
The supporting and limiting device in described boiler air channel; The size of described sliding plate is less than the width of boiler steel flange of beam; Less than being of a size of 90-110mm; The length of described limiting stopper is 20-30mm, and the height of described limiting stopper is greater than the height of described sliding plate.
Embodiment 2:
The supporting and limiting device in embodiment 1 described boiler air channel, its composition comprises: air channel backplate 1, burn air channel, boiler girder steel 2, described air channel backplate connection horizontal girder steel 3 one ends; The described horizontal girder steel the other end connects described boiler girder steel; Between described horizontal girder steel and the described boiler girder steel sliding plate 4 is housed, described boiler girder steel connects limiting stopper 5, and described limiting stopper limits described sliding plate; Described horizontal girder steel connects perpendicular girder steel 7; The described perpendicular girder steel the other end connects the described air channel that burns, and described perpendicular girder steel connects oblique girder steel 6, and the described oblique girder steel the other end connects described air channel backplate.
The supporting and limiting device in described boiler air channel, described horizontal girder steel is No20, and described perpendicular girder steel is No20, and described oblique girder steel is No20.
The supporting and limiting device in described boiler air channel; The size of described sliding plate is less than the width of boiler steel flange of beam; Less than being of a size of 90mm, the length of described limiting stopper is 20mm, and the height of described limiting stopper is greater than the height of described sliding plate.
Embodiment 3:
The supporting and limiting device in embodiment 1 described boiler air channel, its composition comprises: air channel backplate 1, burn air channel, boiler girder steel 2, described air channel backplate connection horizontal girder steel 3 one ends; The described horizontal girder steel the other end connects described boiler girder steel; Between described horizontal girder steel and the described boiler girder steel sliding plate 4 is housed, described boiler girder steel connects limiting stopper 5, and described limiting stopper limits described sliding plate; Described horizontal girder steel connects perpendicular girder steel 7; The described perpendicular girder steel the other end connects the described air channel that burns, and described perpendicular girder steel connects oblique girder steel 6, and the described oblique girder steel the other end connects described air channel backplate.
The supporting and limiting device in described boiler air channel, described horizontal girder steel is No20, and described perpendicular girder steel is No20, and described oblique girder steel is No20.
The supporting and limiting device in described boiler air channel; The size of described sliding plate is less than the width of boiler steel flange of beam; Less than being of a size of 110mm, the length of described limiting stopper is 30mm, and the height of described limiting stopper is greater than the height of described sliding plate.
Embodiment 4:
The supporting and limiting device in embodiment 1 described boiler air channel, its composition comprises: air channel backplate 1, burn air channel, boiler girder steel 2, described air channel backplate connection horizontal girder steel 3 one ends; The described horizontal girder steel the other end connects described boiler girder steel; Described horizontal girder steel and described girder steel are equipped with sliding plate 4, and described boiler girder steel connects limiting stopper 5, and described limiting stopper limits described sliding plate; Described horizontal girder steel connects perpendicular girder steel 7; The described perpendicular girder steel the other end connects the described air channel that burns, and described perpendicular girder steel connects oblique girder steel 6, and the described oblique girder steel the other end connects described air channel backplate.
The supporting and limiting device in described boiler air channel, described horizontal girder steel is No20, and described perpendicular girder steel is No20, and described oblique girder steel is No20.
The supporting and limiting device in described boiler air channel; The size of described sliding plate is less than the width of boiler steel flange of beam; Less than being of a size of 100mm, the length of described limiting stopper is 25mm, and the height of described limiting stopper is greater than the height of described sliding plate.
Embodiment 5:
The method of the supporting and limiting device in a kind of boiler air channel; Supporting structure is arranged in the both sides, air channel and is connected with the air channel backplate; The horizontal girder steel in the supporting structure is arranged in the both sides, air channel, and the distance of horizontal girder steel and both sides, air channel equates, load is reduced to equal portion load; The air channel inwall is of a size of 2.7 meters, and the distance of the perpendicular girder steel in both sides is 4.96 meters.
The method of the supporting and limiting device in described boiler air channel; Under the normal temperature state; Horizontal girder steel, perpendicular girder steel, oblique girder steel all select for use the No20 girder steel as main structure; The load of bearing is about 7-8 ton or horizontal girder steel, perpendicular girder steel, tiltedly girder steel all selects for use the No32 girder steel as main structure, and the load of bearing is about the 16-18 ton or according to the inwall size in air channel, the different girder steels of different size of selecting of the distance in perpendicular girder steel in both sides and air channel bear different load.
Embodiment 6:
The supporting and limiting device in the described boiler of the foregoing description air channel, in this structure, the horizontal girder steel of welding on the backplate of air channel, horizontal girder steel is installed on the girder steel, between horizontal girder steel and the boiler girder steel sliding plate is set, and is in addition spacing with limiting stopper.This has just limited the displacement of air channel at the boiler fore-and-aft direction.The air channel that restriction simultaneously is set of limiting stopper is in the displacement of boiler left and right directions.And do perpendicular girder steel and support top and burn the air channel.Tiltedly girder steel welds with air channel, top backplate on one side in addition, another side and the welding of horizontal girder steel.

Claims (3)

1. the supporting and limiting device in a boiler air channel, its composition comprises: the air channel backplate, burn air channel, boiler girder steel, it is characterized in that: described air channel backplate connection horizontal girder steel one end; The described horizontal girder steel the other end connects described boiler girder steel; Between described horizontal girder steel and the described boiler girder steel sliding plate is housed, described boiler girder steel connects limiting stopper, and described limiting stopper limits described sliding plate; Described horizontal girder steel connects perpendicular girder steel; The described perpendicular girder steel the other end connects the described air channel that burns, and described perpendicular girder steel connects oblique girder steel, and the described oblique girder steel the other end connects described air channel backplate.
2. the supporting and limiting device in boiler according to claim 1 air channel is characterized in that: described horizontal girder steel is No20, and described perpendicular girder steel is No20, and described oblique girder steel is No20.
3. the supporting and limiting device in boiler according to claim 1 and 2 air channel; It is characterized in that: the size of described sliding plate is less than the width of boiler steel flange of beam; Less than being of a size of 90-110mm; The length of described limiting stopper is 20-30mm, and the height of described limiting stopper is greater than the height of described sliding plate.
CN 201220277868 2012-06-13 2012-06-13 Support and limit device for boiler flue Withdrawn - After Issue CN202612852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220277868 CN202612852U (en) 2012-06-13 2012-06-13 Support and limit device for boiler flue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220277868 CN202612852U (en) 2012-06-13 2012-06-13 Support and limit device for boiler flue

Publications (1)

Publication Number Publication Date
CN202612852U true CN202612852U (en) 2012-12-19

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CN 201220277868 Withdrawn - After Issue CN202612852U (en) 2012-06-13 2012-06-13 Support and limit device for boiler flue

Country Status (1)

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CN (1) CN202612852U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705582A (en) * 2012-06-13 2012-10-03 哈尔滨锅炉厂有限责任公司 Device and method for supporting and limiting boiler air duct
CN106193537A (en) * 2016-07-08 2016-12-07 山东省环能设计院股份有限公司 A kind of cigarette air channel fixed support
CN106370046A (en) * 2016-08-30 2017-02-01 哈尔滨锅炉厂有限责任公司 Vibration-prevention limiting device for heat exchanger

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705582A (en) * 2012-06-13 2012-10-03 哈尔滨锅炉厂有限责任公司 Device and method for supporting and limiting boiler air duct
CN102705582B (en) * 2012-06-13 2016-05-04 哈尔滨锅炉厂有限责任公司 The supporting and limiting device of boiler air duct and method
CN106193537A (en) * 2016-07-08 2016-12-07 山东省环能设计院股份有限公司 A kind of cigarette air channel fixed support
CN106370046A (en) * 2016-08-30 2017-02-01 哈尔滨锅炉厂有限责任公司 Vibration-prevention limiting device for heat exchanger
CN106370046B (en) * 2016-08-30 2019-03-05 哈尔滨锅炉厂有限责任公司 A kind of heat exchanger vibration proof limiting device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121219

Effective date of abandoning: 20160504

C25 Abandonment of patent right or utility model to avoid double patenting