CN207004153U - A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint - Google Patents

A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint Download PDF

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Publication number
CN207004153U
CN207004153U CN201720707715.XU CN201720707715U CN207004153U CN 207004153 U CN207004153 U CN 207004153U CN 201720707715 U CN201720707715 U CN 201720707715U CN 207004153 U CN207004153 U CN 207004153U
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CN
China
Prior art keywords
ring
type
liquid bath
type liquid
fiberglass
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Expired - Fee Related
Application number
CN201720707715.XU
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Chinese (zh)
Inventor
李鹏
王孔伟
苏琪
张炀
刘会平
苏惠
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Beijing Datang Hengtong Mechanical Transport Co Ltd
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Beijing Datang Hengtong Mechanical Transport Co Ltd
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Priority to CN201720707715.XU priority Critical patent/CN207004153U/en
Application granted granted Critical
Publication of CN207004153U publication Critical patent/CN207004153U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to a kind of thermal power plant Wet chimney fiberglass smoke evacuation inner cylinder board plug type telescopic joint.Including upper shell ring and lower shell ring, it is characterised in that:It is provided with lower shell ring outer wall and surrounds the cylinder ring-type liquid bath of one week, has liquid in ring-type liquid bath;It is provided with upper shell ring outer wall in the cylinder ring-type of one week gear cigarette plate, the liquid of ring-type gear cigarette plate lower end insertion ring-type liquid bath, ring-type gear cigarette plate and ring-type liquid bath collectively constitute the system for preventing flue gas excessive;The lower end and the bottom surface of ring-type liquid bath of ring-type gear cigarette plate keep certain distance, and when upper shell ring and lower shell ring expand with heat and contract with cold, ring-type gear cigarette plate freely up and down stretches in the liquid of ring-type liquid bath.The utility model solves the technical barrier of the thermal compensation structure after the positioning support of superelevation entirety Wet chimney frp lining so that the fiberglass smoke evacuation inner tube structure of superelevation entirety Wet chimney is safe and reliable in terms of intensity, entirety and local stability.

Description

A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint
Technical field
A kind of thermal power plant Wet chimney is the utility model is related to, particularly a kind of fiberglass smoke evacuation inner cylinder is stretched with board plug type Casing coupling.
Background technology
The chimney stack (height typically in 180-270 rice) in thermal power plant is important structures, according to relevant regulations, its The requirement of 50 years structure design base periods and process system projected life 30-35 should be met.Current domestic thermal power plant is wet Chimney corrosion leakage problem is serious.Due to chimney anticorrosion material quality in itself, the control of work progress, the management of engineering, with And the reasons such as operating condition is changeable, cause a large amount of desulfuration chimneys different degrees of damage and Seepage occur.China Power is advised Ji Zong institutes 2009 are delineated by being investigated to the chimney of 226 desulfurizing fly ash, including six major classes, 13 kinds of Corrosion prevention schemes.Reflection Especially carry out that corrosion-resistant chimney is cracking, washes away with the film class coating such as polyureas, Sa Weizhen, OM coating and domestic foam glass brick Or obscission is the most serious.Its ratio to go wrong is respectively polyureas and Sa Weizhen accounts for 90%, domestic foam glass brick Account for 50%, OM coating and account for more than 60%;The acid solution seepage for building acidproof brick chimney by laying bricks or stones using acid resistant adhesive mortar is even more serious.Feedback Result reflect that the current desulfuration chimney antiseptic project produced problem in China is more, be related to that face is wider, the ratio of seepage occur It is higher, so selecting the task of top priority that safe and reliable Corrosion prevention scheme is current chimney anticorrosion.
Wet chimney corrosion-resistant key is that liner is made into Integral sealing, makees waterproof, leakproof, antiseepage with anti-corrosion material.Due to Coal-fired source and composition extremely diversity and complexity, corrosive medium is also just very complicated in flue gas.The anti-corrosion material mesh of smoke exhaust barrel It is preceding to select glass, ceramics, resin composite materials (Fiberglass Reinforced Plastics) and the class of alloy-steel plate four.Often Not only cost is high, but also can not solve a variety of coal-fired corrosion for metal class anti-corrosion material (including titanium steel and other alloys) Erosion medium resistance.Titanium alloy composite panel is also defective to the antiseptic power of some acid mediums.Glass and ceramic-like anti-corrosion material we Stickup foam glass brick and foam ceramic tile scheme had been put into practice, it can not possibly be made the protective system of bulk or entirety, by In the difficult operability of construction, the overall tightness of anticorrosive coat it is difficult to ensure that, it is many to there are leakage scenarios.Therefore fiberglass in recent years (FRP) smoke exhaust barrel is used in America and Europe by fast development.FRP compares with steel, and FRP has the characteristics that in light weight, extra-strong corrosion resistant, makees For the substitute of steel, FRP is just causing gazing at for people.
At home and abroad, fiberglass is widely used in the anticorrosion equipments and engineering such as chemical industry, metallurgy, ship and space flight, still How fiberglass is applied in the superelevation smoke exhaust barrel of power industry, all in experiment and exploration, superelevation is integrally wet for various regions at present The compensation displacement of chimney fiberglass smoke evacuation inner cylinder thermal compensation structure, it is computed chimney axially (50m) maximum collapse value 51.9mm; Lateral displacement maximum is 14.2mm, for this reason, it may be necessary to set the flexible structure expanded to solve this problem.And for fiberglass The product of flue there is no mature technology from global design, material selection, Each part design, connecting structure, lifting installation etc. Report.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of fiberglass smoke evacuation inner cylinder plate Formula telescopic joint, the thermal compensation structure that it can solve after the smoke evacuation inner cylinder positioning support of superelevation entirety Wet chimney fiberglass very well are asked Topic.
What the purpose of this utility model was realized in:A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint, including it is upper Shell ring and lower shell ring, it is characterised in that:It is provided with lower shell ring outer wall and surrounds the cylinder ring-type liquid bath of one week, is had in ring-type liquid bath Liquid;It is provided with upper shell ring outer wall around the cylinder ring-type of one week gear cigarette plate, ring-type gear cigarette plate lower end insertion ring-type liquid bath Liquid in, ring-type gear cigarette plate and ring-type liquid bath collectively constitute the system for preventing flue gas excessive;Ring-type keeps off the lower end of cigarette plate Certain distance is kept with the bottom surface of ring-type liquid bath, ring-type keeps off cigarette plate in ring-type liquid bath when upper shell ring and lower shell ring expand with heat and contract with cold Liquid in freely up and down stretch.
The purpose of this utility model can also be achieved in that:Condensed water collecting device is installed in upper shell ring inwall, is used for By the condensation water collection in flue gas in fiberglass smoke evacuation inner cylinder to ring-type liquid bath.
Described condensed water collecting device is filling pipe, and filling pipe upper end is attached at fiberglass smoke evacuation inner tube wall, and lower end is solid Due in ring-type liquid bath.
Described condensed water collecting device is annular drainage plate, for condensed water to be drained into ring-type liquid bath.
Overflow pipe inside connection ring-type liquid bath is installed in ring-type liquid bath outer wall upper end, overflow pipe is connected with outer row pipeline It is logical.
The utility model has following notable technological progress:Wet chimney using fiberglass smoke evacuation inner cylinder is Wet chimney anti-corrosion The significant technology innovation of engineering.The utility model solves the thermal compensation after the positioning support of superelevation entirety Wet chimney frp lining The technical barrier of structure so that the fiberglass of superelevation entirety Wet chimney discharges fume inner tube structure in intensity, entirety and local stability side Face is safe and reliable.
Brief description of the drawings
Fig. 1 is the utility model structure diagram
Embodiment
Each part numbers are as follows in accompanying drawing:Upper shell ring 1, ring-type gear cigarette plate 2, filling pipe 3, overflow pipe 4, lower shell ring 5, ring Shape liquid bath 6.
The utility model is thermal power plant's Wet chimney fiberglass smoke evacuation inner cylinder board plug type telescopic joint.Fiberglass smoke evacuation inner cylinder be By the inner cylinder of the sealed entirety connected into of the multistage glass fibre reinforced plastic cylinder of sectional making, reach more than 200 meters for whole height The wet chimney in thermal power plant for, antiseptic fire-retardation requires high, the height of its superelevation, for the thermal compensation knot after its positioning support Structure is also a vital design key.The utility model is on Wet chimney fiberglass smoke evacuation inner cylinder at interval of a segment distance One board plug type telescopic joint is set.
Referring to accompanying drawing 1, a kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint of the utility model, including in fiberglass smoke evacuation Shell ring 1 and lower shell ring 5 on cylinder, it is provided with the lower outer wall of shell ring 5 and surrounds the cylinder ring-type liquid bath 6 of one week, have liquid in ring-type liquid bath 6 Body;It is provided with the upper outer wall of shell ring 1 around the cylinder ring-type of one week gear cigarette plate 2, the lower end insertion ring-type liquid bath of ring-type gear cigarette plate 2 In 6 liquid, ring-type gear cigarette plate 2 and ring-type liquid bath 6 collectively constitute the system for preventing flue gas excessive;Ring-type gear cigarette plate 2 Lower end and the bottom surface of ring-type liquid bath 6 keep certain distance, and when upper shell ring 1 and lower shell ring 5 expand with heat and contract with cold, ring-type gear cigarette plate 2 exists Freely up and down stretched in the liquid of ring-type liquid bath 6.
Condensed water collecting device is installed in the upper inwall of shell ring 1, for the condensation that fiberglass is discharged fume in inner cylinder in flue gas Water is collected into ring-type liquid bath 6.
Described condensed water collecting device is filling pipe 3, and the upper end of filling pipe 3 is attached at fiberglass smoke evacuation inner tube wall, lower end It is fixed in ring-type liquid bath 6.Filling pipe can supplement the deficiency that the liquid in liquid bath occurs by evaporation, filling pipe liquid in time From flue gas condensing collection liquid.
Described condensed water collecting device can also be annular drainage plate, for condensed water to be drained into ring-type liquid bath 6.
Overflow pipe 4 inside connection ring-type liquid bath 6, overflow pipe 4 and outer row pipeline phase are installed in the outer wall upper end of ring-type liquid bath 6 Connection.Overflow pipe can discharge liquid excessive in liquid bath in time.

Claims (5)

  1. The inner cylinder board plug type telescopic joint 1. a kind of fiberglass is discharged fume, including upper shell ring (1) and lower shell ring (5), it is characterised in that: Lower shell ring (5) outer wall is provided with and surrounds the cylinder ring-type liquid bath (6) of one week, and ring-type liquid bath has liquid in (6);In upper shell ring (1) Outer wall is provided with around the cylinder ring-type of one week gear cigarette plate (2), the liquid of ring-type gear cigarette plate (2) lower end insertion ring-type liquid bath (6) In body, ring-type gear cigarette plate (2) and ring-type liquid bath (6) collectively constitute the system for preventing flue gas excessive;Ring-type gear cigarette plate (2) Lower end and the bottom surface of ring-type liquid bath (6) keep certain distance, and when upper shell ring (1) and lower shell ring (5) expand with heat and contract with cold, ring-type keeps off cigarette Plate (2) freely up and down stretches in the liquid of ring-type liquid bath (6).
  2. The inner cylinder board plug type telescopic joint 2. fiberglass according to claim 1 is discharged fume, it is characterised in that:In upper shell ring (1) Inwall is provided with condensed water collecting device, for by the condensation water collection that fiberglass is discharged fume in inner cylinder in flue gas to ring-type liquid bath (6)。
  3. The inner cylinder board plug type telescopic joint 3. fiberglass according to claim 2 is discharged fume, it is characterised in that:Described condensed water Collection device is filling pipe (3), and filling pipe (3) upper end is attached at fiberglass smoke evacuation inner tube wall, and ring-type liquid bath (6) is fixed in lower end It is interior.
  4. The inner cylinder board plug type telescopic joint 4. fiberglass according to claim 2 is discharged fume, it is characterised in that:Described condensed water Collection device is annular drainage plate, for condensed water to be drained into ring-type liquid bath (6).
  5. 5. the fiberglass smoke evacuation inner cylinder board plug type telescopic joint according to claim 1,2,3 or 4, it is characterised in that:In ring The internal overflow pipe (4) of shape liquid bath (6) outer wall upper end installation connection ring-type liquid bath (6), overflow pipe (4) are connected with outer row pipeline It is logical.
CN201720707715.XU 2017-06-16 2017-06-16 A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint Expired - Fee Related CN207004153U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720707715.XU CN207004153U (en) 2017-06-16 2017-06-16 A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720707715.XU CN207004153U (en) 2017-06-16 2017-06-16 A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint

Publications (1)

Publication Number Publication Date
CN207004153U true CN207004153U (en) 2018-02-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720707715.XU Expired - Fee Related CN207004153U (en) 2017-06-16 2017-06-16 A kind of fiberglass smoke evacuation inner cylinder board plug type telescopic joint

Country Status (1)

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CN (1) CN207004153U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108952304A (en) * 2018-07-12 2018-12-07 上海必立结构设计事务所有限公司 Half sleeve Anti-corrosive chimney

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108952304A (en) * 2018-07-12 2018-12-07 上海必立结构设计事务所有限公司 Half sleeve Anti-corrosive chimney
CN108952304B (en) * 2018-07-12 2023-10-24 上海必立结构设计事务所有限公司 Semi-sleeve anti-corrosion chimney

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Granted publication date: 20180213