CN207112759U - A kind of exhaust waste heat recovery device - Google Patents
A kind of exhaust waste heat recovery device Download PDFInfo
- Publication number
- CN207112759U CN207112759U CN201720701420.1U CN201720701420U CN207112759U CN 207112759 U CN207112759 U CN 207112759U CN 201720701420 U CN201720701420 U CN 201720701420U CN 207112759 U CN207112759 U CN 207112759U
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- Prior art keywords
- heat exchanger
- exchanger tube
- cylinder
- recovery device
- heat
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Abstract
The utility model discloses a kind of exhaust waste heat recovery device, is related to tail gas disposal technique field.This kind of exhaust waste heat recovery device includes cylinder, cylinder is provided with water inlet, delivery port and the steam (vapor) outlet positioned at top, hollow heat exchanger tube is provided with cylinder, cylinder is circumscribed with air inlet pipe and escape pipe, air inlet pipe connects the both ends of heat exchanger tube with escape pipe, heat exchanger tube includes interior tube body and outer tube body, forms the dielectric space of ring bodies between interior tube body and outer tube body, the sealing two ends of dielectric space and internal is filled with heat transfer medium.This kind of exhaust waste heat recovery device has the following advantages that：Hot exhaust gas must be not in the situation for avoiding heat exchanger tube all by that could be come out with heat transfer in heat exchanger tube in cylinder, and heat transfer medium is fully wrapped around by hot exhaust gas, therefore heat transfer efficiency is high；Heat exchanger tube is completely submerged in cold water, therefore the heat that is absorbed from hot exhaust gas of heat exchanger tube can be completely used for the heating to cold water, and the thermal efficiency greatly improves.
Description
Technical field
Tail gas disposal technique field is the utility model is related to, more particularly to a kind of exhaust waste heat recovery device.
Background technology
At present, the anthraquinone tail gas after Combustion of Hot Air Furnace contains substantial amounts of heat, and these high temperature anthraquinone tail gas are direct
Drain and not only cause environmental pollution, and also result in the energy and greatly waste and add expenditure.If profit can be reclaimed
With, can not only improve heat exchanger effectiveness but also beneficial to environmental protection.
The Chinese utility model that Authorization Notice No. is CN203489755U discloses a kind of waste-heat recovery device, including heat exchange
Device body, heat exchanger body include Heat Room and cylinder；Heat Room, what it was connected formed with first inner chamber, with first inner chamber
Charging aperture and discharging opening, some heat pipes are vertically arranged with Heat Room；Cylinder, it is arranged at the top of Heat Room, cylinder-shaped
Into having second inner chamber, the water inlet being connected with second inner chamber, delivery port and steam (vapor) outlet；First inner chamber is with second inner chamber by pipe
Plate separates, and heat pipe is to stretch out tube sheet into second inner chamber from first inner chamber.This kind of waste-heat recovery device is prepared using waste heat from tail gas
Vapor uses for other equipment, is effectively utilized resource, but heat pipe absorbs the remaining of tail gas in the structure design of the device
There is gained heat after heat greatly scatters and disappears in first inner chamber, therefore the recovery utilization rate of waste heat from tail gas is relatively low.
Utility model content
Technical problem to be solved in the utility model is that the waste-heat recovery device of tail gas is low to the recovery utilization rate of waste heat,
The shortcomings that overcoming prior art, there is provided a kind of exhaust waste heat recovery device, there is higher recycling ability to waste heat from tail gas.
In order to solve the above technical problems, the utility model provides a kind of exhaust waste heat recovery device, including cylinder, cylinder
Water inlet, delivery port and the steam (vapor) outlet positioned at top are provided with, is provided with hollow heat exchanger tube in cylinder, cylinder is circumscribed with air inlet
Pipe and escape pipe, air inlet pipe connects the both ends of heat exchanger tube with escape pipe, and heat exchanger tube includes interior tube body and outer tube body, interior tube body with outside
Form the dielectric space of ring bodies between body, the sealing two ends of dielectric space and internal be filled with heat transfer medium.
Technique effect：Hot exhaust gas enters inside heat exchanger tube carries out heat transfer cooling with heat transfer medium, with hot tail in the prior art
Gas conducts heat to compare between heat exchanger tube to be had the following advantages that：Hot exhaust gas must be all by being situated between in cylinder in heat exchanger tube with heat transfer
Matter heat transfer could come out, and be not in the situation for avoiding heat exchanger tube, heat transfer medium is fully wrapped around by hot exhaust gas, therefore heat transfer efficiency
It is high；Heat exchanger tube is completely submerged in cold water, therefore the heat that heat exchanger tube absorbs from hot exhaust gas can be completely used for adding cold water
Heat, the thermal efficiency greatly improve.
The technical scheme that the utility model further limits is：
Further, heat exchanger tube is a straight tube being placed in the middle part of cylinder, interior tube body diameter d1, outer tube body diameter d2Meet
d2=1.1~1.2 d1。
A kind of preceding described exhaust waste heat recovery device, is provided with equally distributed aeroscopic plate in heat exchanger tube, above and below aeroscopic plate
It is arranged at intervals, its one end is fixed in heat transfer tube wall, and gap is left between the other end and heat transfer tube wall.
A kind of preceding described exhaust waste heat recovery device, heat exchanger tube is a helix tube being placed in the middle part of cylinder.
A kind of preceding described exhaust waste heat recovery device, heat exchanger tube are vertically arranged, and air inlet pipe connects the upper end of heat exchanger tube, goes out
Tracheae connects the lower end of heat exchanger tube.
A kind of preceding described exhaust waste heat recovery device, be provided with a cored slab close to top in cylinder, cored slab it is exposed
Ullage in cylinder, cored slab connect with the upper end of heat exchanger tube.
The beneficial effects of the utility model are：
（1）Heat exchange tube design of the present utility model is straight tube, and heat exchanger tube inner space is big, the heat transfer medium of filling is more, because
This can greatly improve the treatment effeciency to tail gas, improve the waste heat from tail gas rate of recovery；
（2）Aeroscopic plate is set inside straight pipe type heat exchanger tube of the present utility model so that tail gas is along path up and down reciprocatingly
Motion, the heat exchange action time of tail gas and heat transfer medium is extended, improve the waste heat from tail gas rate of recovery；
（3）Heat exchange tube design of the present utility model is spiral cast, is being changed because the helical structure of itself extends tail gas
Heat transfer time in heat pipe, improve waste heat from tail gas organic efficiency；
（4）Screw type heat conducting pipe upper end air inlet of the present utility model, lower end outlet, while set in ullage hollow
Plate, make that there is high temperature close to top in cylinder, be more favorable for vapor and discharged at the top of cylinder, vapor gas efficiency is high；
（5）Whether straight pipe type heat exchanger tube, or screw type heat exchanger tube, because the spatial dimension occupied in cylinder is big,
Therefore can be to the uniform heating of cold water.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1 in the utility model；
Fig. 2 is the structural representation of embodiment 2 in the utility model；
Wherein：1- cylinders；2- water inlets；3- delivery ports；4- steam (vapor) outlets；5- heat exchanger tubes；501- interior tube bodies；502- outer tubes
Body；503- dielectric spaces；6- air inlet pipe；7- escape pipes；8- aeroscopic plates；9- cored slabs.
Embodiment
Embodiment 1
A kind of exhaust waste heat recovery device that the present embodiment provides, structure are as shown in Figure 1.
The exhaust waste heat recovery device includes cylinder 1, and cylinder 1 is provided with water inlet 2, delivery port 3 and the steaming positioned at top
Vapor outlet 4.
Hollow heat exchanger tube 5 is provided with cylinder 1, heat exchanger tube 5 is a straight tube for being horizontally placed at the middle part of cylinder 1.Heat exchanger tube 5
Including interior tube body 501 and outer tube body 502, the diameter d1 of interior tube body 501, the diameter d of outer tube body 5022Meet d2=1.2d1.Interior tube body 501
The dielectric space 503 of ring bodies is formed between outer tube body 502, the sealing two ends of dielectric space 503 and inside, which are filled with, conducts heat
Medium.
Cylinder 1 is circumscribed with air inlet pipe 6 and escape pipe 7, and air inlet pipe 6 connects the both ends of heat exchanger tube 5 with escape pipe 7.Heat exchanger tube 5
Interior to be provided with equally distributed aeroscopic plate 8, aeroscopic plate is arranged at intervals about 8, and its one end is fixed on the inwall of heat exchanger tube 5, the other end
Gap is left between the inwall of heat exchanger tube 5.
Heat exchanger tube 5 center of the high-temperature tail gas out of air inlet pipe 6 entrance cylinder 1, under the guide effect of aeroscopic plate 8 before complications
Enter, the heat transfer medium for fully contacting and being transferred heat in dielectric space 503 with heat transfer medium, then discharged from escape pipe 7.Pass
Thermal medium transfers heat to the cold water around heat exchanger tube 5 after absorbing the waste heat of high-temperature tail gas, and cold water slowly heats up, until becoming
Discharged after vapor from steam (vapor) outlet 4, so that other equipment uses.
Embodiment 2
A kind of exhaust waste heat recovery device that the present embodiment provides, structure are as shown in Figure 2.
The present embodiment and the difference of embodiment 1 are that heat exchanger tube 5 is one and is placed in the middle part of cylinder 1 and is vertically arranged
Helix tube.
Air inlet pipe 6 connects the upper end of heat exchanger tube 5, and escape pipe 7 connects the lower end of heat exchanger tube 5.It is provided with cylinder 1 close to top
One cored slab 9, the exposed ullage in cylinder 1 of cored slab 9, cored slab 9 connect with the upper end of heat exchanger tube 5.
High-temperature tail gas enters in the cored slab 9 in cylinder 1 from the air inlet pipe 6 of upper end, then enters the spiral shell communicated from cored slab 9
In rotating heat exchanger tube 5, moved ahead in the inner-spiral type of heat exchanger tube 5, fully contact and conducted heat with heat transferring medium, after cooling down
Escape pipe 7 of the tail gas finally from the bottom of cylinder 1 discharge.
In addition to the implementation, the utility model can also have other embodiment；It is all to use equivalent substitution or equivalent change
The technical scheme to be formed is changed, all falls within the protection domain of the requires of the utility model.
Claims (6)
1. a kind of exhaust waste heat recovery device, including cylinder（1）, it is characterised in that：The cylinder（1）It is provided with water inlet（2）、
Delivery port（3）With the steam (vapor) outlet positioned at top（4）, the cylinder（1）It is interior to be provided with hollow heat exchanger tube（5）, the cylinder（1）
It is circumscribed with air inlet pipe（6）And escape pipe（7）, the air inlet pipe（6）And escape pipe（7）Connect the heat exchanger tube（5）Both ends, institute
State heat exchanger tube（5）Including interior tube body（501）And outer tube body（502）, said inner tube body（501）And outer tube body（502）Between formed
The dielectric space of ring bodies（503）, the dielectric space（503）Sealing two ends and internal be filled with heat transfer medium.
A kind of 2. exhaust waste heat recovery device according to claim 1, it is characterised in that：The heat exchanger tube（5）For one
It is placed in the cylinder（1）The straight tube at middle part, said inner tube body（501）Diameter d1, outer tube body（502）Diameter d2 meet d2=1.1 ~
1.2 d1。
A kind of 3. exhaust waste heat recovery device according to claim 2, it is characterised in that：The heat exchanger tube（5）Inside it is provided with
Equally distributed aeroscopic plate（8）, the aeroscopic plate（8）It is arranged at intervals up and down, its one end is fixed on the heat exchanger tube（5）Inwall
On, the other end and the heat exchanger tube（5）Gap is left between inwall.
A kind of 4. exhaust waste heat recovery device according to claim 1, it is characterised in that：The heat exchanger tube（5）For one
It is placed in the cylinder（1）The helix tube at middle part.
A kind of 5. exhaust waste heat recovery device according to claim 4, it is characterised in that：The heat exchanger tube（5）Set vertically
Put, the air inlet pipe（6）Connect the heat exchanger tube（5）Upper end, the escape pipe（7）Connect the heat exchanger tube（5）Lower end.
A kind of 6. exhaust waste heat recovery device according to claim 5, it is characterised in that：The cylinder（1）Interior close top
Portion is provided with a cored slab（9）, the cored slab（9）It is exposed in the cylinder（1）Interior ullage, the cored slab（9）With
The heat exchanger tube（5）Upper end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701420.1U CN207112759U (en) | 2017-06-15 | 2017-06-15 | A kind of exhaust waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701420.1U CN207112759U (en) | 2017-06-15 | 2017-06-15 | A kind of exhaust waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112759U true CN207112759U (en) | 2018-03-16 |
Family
ID=61576850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720701420.1U Expired - Fee Related CN207112759U (en) | 2017-06-15 | 2017-06-15 | A kind of exhaust waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207112759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811298A (en) * | 2020-07-14 | 2020-10-23 | 陈焕林 | Desulfurization tail gas waste heat recovery device |
-
2017
- 2017-06-15 CN CN201720701420.1U patent/CN207112759U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811298A (en) * | 2020-07-14 | 2020-10-23 | 陈焕林 | Desulfurization tail gas waste heat recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20210615 |