CN201561232U - Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline - Google Patents

Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline Download PDF

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Publication number
CN201561232U
CN201561232U CN200920033853XU CN200920033853U CN201561232U CN 201561232 U CN201561232 U CN 201561232U CN 200920033853X U CN200920033853X U CN 200920033853XU CN 200920033853 U CN200920033853 U CN 200920033853U CN 201561232 U CN201561232 U CN 201561232U
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CN
China
Prior art keywords
powder
compensator
powder feeding
wearproof
dedicated
Prior art date
Application number
CN200920033853XU
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Chinese (zh)
Inventor
不公告发明人
Original Assignee
西安天达能源设备技术有限责任公司
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Priority to CN200920033853XU priority Critical patent/CN201561232U/en
Application granted granted Critical
Publication of CN201561232U publication Critical patent/CN201561232U/en

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Abstract

The utility model relates to a residual powder-free wearproof three-dimensional compensator which is dedicated for a powder feeding pipeline for absorbing large transversal displacement generated by boiler settlement and axial displacement generated by thermal expansion and cold contraction of pipelines, mainly comprising an adapter, a corrugated pipe, a sealing ring, a guide cylinder and the like. Through using two corrugated pipe compensating elements and a middle adapter for realizing axial and large transversal compensation, having excellent wearproofness and sealability caused by optimized structure, and solving problems of wearing wind leakage and residual powder, the utility model has the characteristics of reasonable structure, continuous wearproofness, no powder leakage, no residual powder, small rigidity and large transversal compensator capability.

Description

The wear-resisting three-dimensional compensator of the special-purpose no accumulated powder of powder feeding pipes
Affiliated technical field
The utility model relates to a kind of thermal power plant and is installed on the powder feeding pipes, is used for absorbing the expand with heat and contract with cold wear-resisting three-dimensional compensator of the special-purpose no accumulated powder of powder feeding pipes of the axial displacement that produced of big lateral displacement that the boiler sedimentation produced and pipeline.
Background technique
Heat power plant boiler is when hot operating mode, can produce expand (fixed end of boiler is at the top) downwards owing to be heated, and powder feeding pipes one end is connected with boiler-burner, the other end links to each other with rigid support, if the middle sedimentation that does not have equipment to absorb boiler, cause damage will for the burner of powder feeding pipes or boiler, three-dimensional compensator a kind of device that can absorb the boiler sedimentation that comes to this, present three-dimensional compensator form is a lot, the industry and the system that use are also a lot, but really can be used for the boiler powder feeding pipes, guarantee the few of safe and economical boiler operation, mainly have following defective and deficiency: working life is short, when mounted between not length the worn out leakage powder of Taper Pipe will appear; Easy accumulated powder between guide shell and the bellows; The compensator lateral stiffness is big, causes the damage of burner easily.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, thereby provides a kind of rational in infrastructure, continue wear-resisting, do not leak powder, accumulated powder not, rigidity is little, laterally the compensator ability is big, the wear-resisting three-dimensional compensator of the special-purpose no accumulated powder of practical powder feeding pipes easy for installation.
The technical solution of the utility model is achieved in that
This is practical finishes the expand with heat and contract with cold absorption of the axial displacement that produced of the lateral displacement of boiler sedimentation generation and pipeline by being made up by two sections stainless metal bellowss (2) and middle adapter (4), metal bellows (2) is by the whole shaped by fluid pressure of two layers of thin stainless steel pipe, it is big to have single ripple compensation rate, the characteristics that rigidity is little; The optimization of structure makes guide shell (7) can adopt the rare earth Wear Resisting Steel to make, and thickness is 40mm, has wear resistance preferably; Insert stuffing box packing (5) in the cavity that forms between inlet connection (1), discharge connection (8) and the guide shell (7), and be provided with seal ring (6), can stop coal dust to enter the inside of compensator effectively at jointing.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is that the utility model A is to view
Embodiment
Following the utility model will be further detailed its detail and working condition in conjunction with the accompanying drawings:
This practical inlet connection (1) that comprises, bellows (2) connects end ring (3), middle adapter (4), stuffing box packing (5), seal ring (6), guide shell (7) and discharge connection (8) are formed.Inlet connection (1), a guide shell (7), a bellows (2) is welded to connect by two connection end ring (3) forms first compensator element, another part guide shell (7), another part bellows (2) is connected end ring (3) with discharge connection (8) by two and is welded to connect another part compensator element of composition, these two compensator element have only the ability of compensator axial displacement, have only by middle adapter (4) two compensator element are connected as one, just can become can compensator axial displacement, three-dimensional compensator that again can the compensate for lateral displacement, under the situation that two compensator element structures are determined, the horizontal compensation rate of compensator within the specific limits with the length of middle adapter relation in direct ratio.This practical advantage can increase the wear resistance of compensator by adopting wear-resisting material and increasing guide shell (7) thickness, prolong the working life of compensator greatly, add the special sealing configuration of seal ring (6) simultaneously by stuffing box packing (5), effectively guarantee compensator accumulated powder not in use.
This practical metal bellows (2) is by the whole shaped by fluid pressure of two layers of thin stainless steel pipe, and it is big to have single ripple compensation rate, and the characteristics that rigidity is little have reduced the damage of compensator rigidity counter-force to burner effectively.
This practical employing with being connected of system pipeline is welded to connect, and welding is for convenience reserved bevel for welding by relevant criterion before the product export.

Claims (2)

1. one kind is installed on the powder feeding pipes of thermal power plant, be used for absorbing the expand with heat and contract with cold wear-resisting three-dimensional compensator of the special-purpose no accumulated powder of powder feeding pipes of the axial displacement that produced of big lateral displacement that the boiler sedimentation produced and pipeline, by inlet connection (1), bellows (2), connect end ring (3), middle adapter (4), stuffing box packing (5), seal ring (6), guide shell (7) and discharge connection (8) are formed, it is characterized in that inlet connection (1), insert stuffing box packing (5) in the cavity that forms between discharge connection (8) and the guide shell (7), and carry out shutoff with seal ring (6).
2. the wear-resisting three-dimensional compensator of the special-purpose no accumulated powder of powder feeding pipes according to claim 1 is characterized in that metal bellows (2) is by the whole shaped by fluid pressure of two layers of thin stainless steel pipe.
CN200920033853XU 2009-07-10 2009-07-10 Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline CN201561232U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920033853XU CN201561232U (en) 2009-07-10 2009-07-10 Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920033853XU CN201561232U (en) 2009-07-10 2009-07-10 Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline

Publications (1)

Publication Number Publication Date
CN201561232U true CN201561232U (en) 2010-08-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920033853XU CN201561232U (en) 2009-07-10 2009-07-10 Residual powder-free wearproof three-dimensional compensator dedicated for powder feeding pipeline

Country Status (1)

Country Link
CN (1) CN201561232U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620101A (en) * 2012-03-31 2012-08-01 南通三创机械制造有限公司 Coal dust expansion joint
CN102635753A (en) * 2012-04-10 2012-08-15 南通三创机械制造有限公司 Compound type high-temperature expansion joint
CN103016891A (en) * 2012-09-13 2013-04-03 江苏亿丰机械制造有限公司 Combined-type powdered coal pipeline compensation device
CN103032650A (en) * 2012-12-11 2013-04-10 西安交通大学 Sealing connection structure of glass light tube and metal tube
CN107567577A (en) * 2015-03-31 2018-01-09 罗克伍尔国际公司 The method and apparatus that weight metering is carried out to powdery type bulk material
CN107575689A (en) * 2017-11-10 2018-01-12 江苏飞天管道设备有限公司 A kind of pipeline compensator
CN108167566A (en) * 2017-12-26 2018-06-15 宁波鱼观生态环境科技有限公司 A kind of municipal administration gardens drainage pipeline sleeve compensator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620101A (en) * 2012-03-31 2012-08-01 南通三创机械制造有限公司 Coal dust expansion joint
CN102635753A (en) * 2012-04-10 2012-08-15 南通三创机械制造有限公司 Compound type high-temperature expansion joint
CN103016891A (en) * 2012-09-13 2013-04-03 江苏亿丰机械制造有限公司 Combined-type powdered coal pipeline compensation device
CN103032650A (en) * 2012-12-11 2013-04-10 西安交通大学 Sealing connection structure of glass light tube and metal tube
CN103032650B (en) * 2012-12-11 2015-08-05 西安交通大学 The Hermetical connecting structure of glass light pipe and metal tube
CN107567577A (en) * 2015-03-31 2018-01-09 罗克伍尔国际公司 The method and apparatus that weight metering is carried out to powdery type bulk material
CN107575689A (en) * 2017-11-10 2018-01-12 江苏飞天管道设备有限公司 A kind of pipeline compensator
CN108167566A (en) * 2017-12-26 2018-06-15 宁波鱼观生态环境科技有限公司 A kind of municipal administration gardens drainage pipeline sleeve compensator

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100825

Termination date: 20130710