CN206055581U - A kind of vertical waste heat boiler with anti-air cushion structure - Google Patents
A kind of vertical waste heat boiler with anti-air cushion structure Download PDFInfo
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- CN206055581U CN206055581U CN201621012083.7U CN201621012083U CN206055581U CN 206055581 U CN206055581 U CN 206055581U CN 201621012083 U CN201621012083 U CN 201621012083U CN 206055581 U CN206055581 U CN 206055581U
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- cylinder
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- conservancy diversion
- waste heat
- ring flat
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Abstract
This utility model belongs to vertical waste heat boiler technical field, disclose a kind of vertical waste heat boiler with anti-air cushion structure, cause heat transfer effect poor due to generating air cushion in use for solving existing vertical waste heat boiler, the material allowable stress decline of upper perforated plate and heat exchanger tube, the problem of the heat exchanger tube large area corrosion thinning fracture for high temperature occurring and being susceptible to electrochemical corrosion and causes in soda pop interface.This utility model is included for being passed through the cylinder of steam water interface, the upper end of the cylinder is provided with upper perforated plate, tedge is communicated with cylinder on the downside of the upper perforated plate, it is characterized in that, water conservancy diversion ring flat-plate is provided with cylinder on the downside of the tedge, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface, is communicated with cooling water pipe on the cylinder on the upside of the water conservancy diversion ring flat-plate.
Description
Technical field
This utility model belongs to vertical waste heat boiler technical field, and in particular to a kind of vertical useless with anti-air cushion structure
Heat boiler.
Background technology
Domestic current vertical waste heat boiler, tube side medium is high-temperature technology gas in most cases, and shell side medium is deoxygenation
Water, produces substantial amounts of saturated vapor in shell side after both heat exchange, during steam is spread toward surrounding after rapid increase, upper
The steam for forming local is gathered by tube sheet central area, is commonly called as " air cushion ".It will cause upper perforated plate both sides to become from air water heat exchange
Gas vapour exchanges heat, heat transfer effect extreme difference, and the metal temperature of upper perforated plate and heat exchanger tube is drastically raised, and material allowable stress declines, and occurs
High temperature；Simultaneously in the soda pop interface of air cushion, boiler(water)concentration is higher, is susceptible to electrochemical corrosion, in Practical Project item
In mesh, there is the fracture of large area corrosion thinning less than three months heat exchanger tubes, have a strong impact on normal production run.
Utility model content
This utility model causes heat exchange due to generating air cushion in use in order to solve existing vertical waste heat boiler
Effect is poor, and the material allowable stress of upper perforated plate and heat exchanger tube declines, high temperature occurs and is susceptible in soda pop interface
Electrochemical corrosion and the problem of heat exchanger tube large area corrosion thinning fracture that causes, and provide a kind of vertical with anti-air cushion structure
Formula waste heat boiler.
To solve above-mentioned technical problem, the technical scheme adopted by this utility model is：
A kind of vertical waste heat boiler with anti-air cushion structure, including for being passed through the cylinder of steam water interface, the cylinder
The upper end of body is provided with upper perforated plate, is communicated with tedge on the cylinder on the downside of the upper perforated plate, it is characterised in that the tedge
Water conservancy diversion ring flat-plate is provided with the cylinder of downside, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface,
Cooling water pipe is communicated with cylinder on the upside of the water conservancy diversion ring flat-plate.
Further, the cooling water pipe is arranged on the cylinder between upper perforated plate and water conservancy diversion ring flat-plate.
Further, axial location of the axial location of the cooling water pipe higher than tedge.
Further, 1/3rd of a diameter of barrel diameter of the through hole.
Further, the distance between the water conservancy diversion ring flat-plate and upper perforated plate are 450-550mm.
Compared with prior art, this utility model has the advantages that：
Vertical waste heat boiler with anti-air cushion structure of the present utility model includes for being passed through the cylinder of steam water interface,
The upper end of the cylinder is provided with upper perforated plate, is communicated with tedge, on the downside of the tedge on the cylinder on the downside of the upper perforated plate
Cylinder in be provided with water conservancy diversion ring flat-plate, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface, described
Cooling water pipe is communicated with cylinder on the upside of water conservancy diversion ring flat-plate.Operation principle of the present utility model is：Heat exchange in waste heat boiler cylinder
There is density contrast between the steam water interface and saturation water of generation, steam water interface is to flow from bottom to top, reach circulation guide plate
When Qiang Zhiyaoqiu which passes through from the through hole at center, change flow direction, guiding low temperature current directly impact whole waste heat boiler
Furnace temperature highest upper perforated plate region, then toward surrounding diffusion, whole upper perforated plate area will there is no longer and can form air cushion current
Condition.So that becoming air water heat exchange (i.e. upper perforated plate both sides remain air water heat exchange) from the heat exchange of gas vapour from heat exchange, heat is improve
The efficiency of exchange, prevents the metal temperature of upper perforated plate level heat exchanger tube from steeply rising, so as to prevent high temperature and electrification
Learn corrosion.
This utility model on the premise of waste heat boiler profile and structure is not changed, by arranging circulation guide plate and cooling water
Pipe, eliminates air cushion, it is ensured that the long period safe operation of equipment, time between overhauls(TBO) were improved from three months to 2 years.While this reality
With it is new with simple structure, be easy to the characteristics of promoting and use.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Labelling in figure：01st, cylinder, 1, water conservancy diversion ring flat-plate, 2, tedge, 3, upper perforated plate, 4, cooling water pipe.
Specific embodiment
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new
The a part of embodiment of type, is not whole embodiments.And the embodiment in this utility model, the ordinary skill people of this area
Member obtained under the premise of creative work is not made other used by embodiment, belong to protection model of the present utility model
Enclose.
With reference to accompanying drawing, the vertical waste heat boiler with anti-air cushion structure of the present utility model is included for being passed through steam-water mixing
The cylinder 01 of thing, the upper end of the cylinder 01 are provided with upper perforated plate 3, are communicated with rising on the cylinder 01 on the downside of the upper perforated plate 3
Pipe 2, is provided with water conservancy diversion ring flat-plate 1 in the cylinder 01 on the downside of the tedge 2, and the center of the water conservancy diversion ring flat-plate 1 is additionally provided with for vapour
The through hole that aqueous mixtures pass through, is communicated with cooling water pipe 4 on the cylinder 01 on the upside of the water conservancy diversion ring flat-plate 1.
Cooling water pipe of the present utility model 4 is arranged on the cylinder 01 between upper perforated plate 3 and water conservancy diversion ring flat-plate 1.
Used as a kind of preferred mode of this utility model, the axial location of the cooling water pipe 4 is higher than the axis of tedge 2
Position.
As a kind of preferred mode of this utility model, 1/3rd of 01 diameter of a diameter of cylinder of through hole.
Used as a kind of preferred mode of this utility model, the distance between the water conservancy diversion ring flat-plate 1 and upper perforated plate 3 are 450-
550mm。
Operation principle of the present utility model is：Change in waste heat boiler cylinder between thermogenetic steam water interface and saturation water
There is density contrast, steam water interface is to flow from bottom to top, when reaching circulation guide plate, Qiang Zhiyaoqiu which leads to from the through hole at center
Cross, change flow direction, guiding low temperature current directly impact whole waste heat boiler temperature highest upper perforated plate region, Ran Houshui
Surrounding diffusion is flowed to, whole upper perforated plate area will there is no longer the condition that can form air cushion.So that becoming from heat exchange from the heat exchange of gas vapour
Into air water heat exchange (i.e. upper perforated plate both sides remain air water heat exchange), the efficiency of heat exchange is improve, upper perforated plate level heat exchanger tube is prevented
Metal temperature steeply rise, so as to prevent high temperature and electrochemical corrosion.
The course of work of the present utility model is：Through hole of the steam water interface by 1 center of water conservancy diversion ring flat-plate, impacts upper perforated plate 3
Central area, finally from tedge 2 flow out；Cooling water is from spray cooling tube sheet surface in cooling water pipe 4；Set so as to reach
Put and can reach the purpose for preventing air cushion from producing.
This utility model on the premise of waste heat boiler profile and structure is not changed, by arranging circulation guide plate and cooling water
Pipe, eliminates air cushion, it is ensured that the long period safe operation of equipment, time between overhauls(TBO) were improved from three months to 2 years.While this reality
With it is new with simple structure, be easy to the characteristics of promoting and use.
Embodiment one
The vertical waste heat boiler with anti-air cushion structure of the present embodiment, including for being passed through the cylinder of steam water interface,
The upper end of the cylinder is provided with upper perforated plate, is communicated with tedge, on the downside of the tedge on the cylinder on the downside of the upper perforated plate
Cylinder in be provided with water conservancy diversion ring flat-plate, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface, described
Cooling water pipe is communicated with cylinder on the upside of water conservancy diversion ring flat-plate.
Embodiment two
The vertical waste heat boiler with anti-air cushion structure of the present embodiment, including for being passed through the cylinder of steam water interface,
The upper end of the cylinder is provided with upper perforated plate, is communicated with tedge, on the downside of the tedge on the cylinder on the downside of the upper perforated plate
Cylinder in be provided with water conservancy diversion ring flat-plate, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface, described
Cooling water pipe is communicated with cylinder on the upside of water conservancy diversion ring flat-plate；The cooling water pipe is arranged on the cylinder between upper perforated plate and water conservancy diversion ring flat-plate
On body.
Embodiment three
The vertical waste heat boiler with anti-air cushion structure of the present embodiment, including for being passed through the cylinder of steam water interface,
The upper end of the cylinder is provided with upper perforated plate, is communicated with tedge, on the downside of the tedge on the cylinder on the downside of the upper perforated plate
Cylinder in be provided with water conservancy diversion ring flat-plate, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface, described
Cooling water pipe is communicated with cylinder on the upside of water conservancy diversion ring flat-plate；The cooling water pipe is arranged on the cylinder between upper perforated plate and water conservancy diversion ring flat-plate
On body；Axial location of the axial location of the cooling water pipe higher than tedge.
Example IV
Any of the above-described embodiment and on plinth, 1/3rd of a diameter of barrel diameter of the through hole.
Embodiment five
Any of the above-described embodiment and on plinth, the distance between the water conservancy diversion ring flat-plate and upper perforated plate are 450-550mm.
Claims (5)
1. a kind of vertical waste heat boiler with anti-air cushion structure, including for being passed through the cylinder of steam water interface, the cylinder
Upper end be provided with upper perforated plate, be communicated with tedge on the cylinder on the downside of the upper perforated plate, it is characterised in that under the tedge
Water conservancy diversion ring flat-plate is provided with the cylinder of side, the center of the water conservancy diversion ring flat-plate is additionally provided with the through hole passed through for steam water interface, institute
State cooling water pipe is communicated with the cylinder on the upside of water conservancy diversion ring flat-plate.
2. the vertical waste heat boiler with anti-air cushion structure according to claim 1, it is characterised in that the cooling water pipe
On cylinder between upper perforated plate and water conservancy diversion ring flat-plate.
3. the vertical waste heat boiler with anti-air cushion structure according to claim 2, it is characterised in that the cooling water pipe
Axial location higher than tedge axial location.
4. according to the arbitrary described vertical waste heat boiler with anti-air cushion structure of claim 1-3, it is characterised in that described logical
/ 3rd of a diameter of barrel diameter in hole.
5. the vertical waste heat boiler with anti-air cushion structure according to claim 4, it is characterised in that the water conservancy diversion ring flat-plate
It is 450-550mm with the distance between upper perforated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012083.7U CN206055581U (en) | 2016-08-30 | 2016-08-30 | A kind of vertical waste heat boiler with anti-air cushion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012083.7U CN206055581U (en) | 2016-08-30 | 2016-08-30 | A kind of vertical waste heat boiler with anti-air cushion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206055581U true CN206055581U (en) | 2017-03-29 |
Family
ID=58373508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621012083.7U Active CN206055581U (en) | 2016-08-30 | 2016-08-30 | A kind of vertical waste heat boiler with anti-air cushion structure |
Country Status (1)
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| CN (1) | CN206055581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081741A (en) * | 2019-03-28 | 2019-08-02 | 新奥科技发展有限公司 | Waste heat boiler |
-
2016
- 2016-08-30 CN CN201621012083.7U patent/CN206055581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081741A (en) * | 2019-03-28 | 2019-08-02 | 新奥科技发展有限公司 | Waste heat boiler |
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