CN1534266A - Vertical shell and tube cold slag apparatus - Google Patents
Vertical shell and tube cold slag apparatus Download PDFInfo
- Publication number
- CN1534266A CN1534266A CNA031113214A CN03111321A CN1534266A CN 1534266 A CN1534266 A CN 1534266A CN A031113214 A CNA031113214 A CN A031113214A CN 03111321 A CN03111321 A CN 03111321A CN 1534266 A CN1534266 A CN 1534266A
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- heat exchanger
- exchanger tube
- heat
- vertical shell
- baffle plate
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A vertical shell-and-tube slag cooler is composed of material feeding chamber, heat exchanging chamber, material discharging chamber and heat exchanging tubes. The vertical heat exchanging tubes in the heat exchanging chamber are between the material feeding chamber and material discharging controller used to control the stay time of slag in tubes. Its advantages are large heat exchanging area, low cost and long service life.
Description
Technical field the present invention relates to a kind of cooling device, particularly has the vertical shell slag cooler of solid-liquid phase heat exchange function.
Background technology is present, mainly contain water-cooled auger type and rotary drum-type with the matching used slag cooler of CFBB, these slag coolers are all by spiral propelling conveying solid substance heat-conduction medium, disclosing the drum-type slag cooler that a kind of application number is 98237450.X as Chinese utility model patent, also is that the rotation by rotating cylinder makes high temperature furnace slag roll mobile to slag notch along multi-layer helical cooling water pipe pitch track.Above-mentioned slag cooler ubiquity heat exchange efficiency is low, body serious wear, service life short, power consumption is big, complex structure, shortcoming such as bulky.
Summary of the invention the object of the present invention is to provide a kind of heat exchange efficiency height, adapted power little, the vertical shell slag cooler of long service life.
Technology solution of the present invention is: vertical shell slag cooler, comprise feed space, heat-exchanging chamber, discharge chamber and heat exchanger tube, it is characterized in that being distributed with in the heat-exchanging chamber heat-exchanging tube bundle of setting, the upper end of each heat exchanger tube is connected with feed space, the below of heat exchanger tube is provided with the falling control device that the control heat-conduction medium is detained in heat exchanger tube, the below of falling control device is provided with discharge chamber.
Described falling control device is by overhead gage and lower baffle plate and the scraping wings that is positioned on the lower baffle plate, driven by transmission mechanism constitutes, and the material-dropping hole of the material-dropping hole of overhead gage and heat exchanger tube and lower baffle plate shifts to install.
Described falling control device is heat exchanger tube sealed or to constitute with the baffle plate of its maintenance certain distance by moving up and down, and material-dropping hole and heat exchanger tube on the baffle plate shift to install.
The housing of described feed space is have liquid inlet and outlet jacket structured, and its liquid outlet is connected with heat-exchanging chamber.
The upper end of each heat exchanger tube is provided with the reducing tube head.
In feed space, be provided with the pusher impeller that makes the homogeneous media distribution that enters.
Vertical shell slag cooler provided by the invention is by the reverse flow heat exchange of solid, liquid or solid, vapour phase heat exchange medium.Solid dielectric enters in the slag cooler heat exchanger tube, leans on the gravity of himself to flow downward, and does not therefore need power.Smooth and easy in order to guarantee that solid dielectric flows, be that import is provided with the reducing tube head in the upper end of heat exchanger tube.The time that the speed that solid dielectric flows promptly is trapped in the pipe is controlled by falling control device, to guarantee the abundant heat exchange of two media.
Characteristics of the present invention are that heat exchanger tube is erect setting, solid dielectric is to flow from top to bottom by its deadweight through heat exchanger tube, this process does not need adapted power and push mechanism, and operating cost is low, long service life, simple and compact for structure, adopt multi-tube structure, its heat exchange area is big, under the prerequisite of equal volume, effective heat exchange area is more than 5 times of other like products, has improved heat exchange efficiency greatly.Complete machine adapted power is little, saves the energy.If slag cooler is used in the less occasion of the flow of solid dielectric, can realize unpowered driving.This slag cooler can be used with CFBB, the high temperature furnace slag about 1000 ℃ can be cooled to below 100 ℃, and heat of slags is recovered in more than 90%, can save a large amount of fire coals.Continuous discharging slag helps stable operation of the boiler.Can also be used for the cooling and the heat exchange of other solid dielectric.
Description of drawings Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of a kind of falling control device of the present invention;
Fig. 3 is that the A-A of Fig. 2 is to cutaway view;
Fig. 4 is the structural representation of the another kind of falling control device of the present invention;
Fig. 5 is the structural representation of unpowered vertical shell slag cooler.
The specific embodiment is described further below in conjunction with accompanying drawing:
As shown in Figure 1, present embodiment provides a kind of vertical shell slag cooler that is used with CFBB, mainly form by feed space 1, heat-exchanging chamber 2, discharge chamber 3, falling control device 20 and drive unit, the housing relative with feed space is the jacket type structure that has water inlet and delivery port, the cooling water that enters in the chuck 29 can carry out preliminary heat exchange with slag, and the delivery port of cooling water is connected with heat-exchanging chamber.The feed space case top is provided with charging aperture 4, be provided with the pusher impeller 5 that makes the homogeneous media distribution that enters in the feed space, impeller is connected with an end of power transmission shaft 6, the other end of power transmission shaft passes heat-exchanging chamber, discharge chamber is connected through the drive unit of shaft coupling 7 below being located at slag cooler, the outside that is positioned at the power transmission shaft of heat-exchanging chamber section is provided with bearing 15 and sealing shroud 16, drive unit is made up of frequency control motor 8 and decelerator 9, connects with shaft coupling 28 between the two.Pass through upper and lower tube sheet 10,11 isolating seals between feed space, discharge chamber and the heat-exchanging chamber, the case side bottom relative with heat-exchanging chamber is provided with cooling water inlet 12, cooling water carries out sending from the outlet 13 on top after the heat exchange in heat-exchanging chamber, and the cooling water temperature in exit can reach more than 90 degree.Be distributed with the heat-exchanging tube bundle of setting in the heat-exchanging chamber, the upper end of each heat exchanger tube 14 is provided with reducing tube head 27, the two ends up and down of heat exchanger tube are separately fixed on the upper and lower tube sheet, and be connected with feed space and falling control device, heat exchanger tube is answered regular distribution, distribute or other distribution mode as annular spread or dispersion shape, so that match with falling control device.Fig. 2,3 has provided a kind of embodiment of falling control device, it is to be made of the scraping wings 19 that is fixed on overhead gage 17 and the lower baffle plate 18 on the housing and be positioned on the lower baffle plate, scraping wings is connected with power transmission shaft, the material-dropping hole 21 of overhead gage shifts to install with the material-dropping hole 22 of heat exchanger tube and lower baffle plate, slag is deposited on the lower baffle plate through overhead gage material-dropping hole baffling, by the rotation of scraping wings slag is delivered to discharge chamber from the material-dropping hole on the lower baffle plate.The amount that slag falls is directly proportional with the rotating speed of scraping wings, and the rotating speed of control scraping wings can realize controlling the holdup time of slag in heat exchanger tube, fully carries out heat exchange.Fig. 4 has provided the embodiment of another kind of falling control device, and it is made of baffle plate 23 moving up and down, and the material-dropping hole 24 on the baffle plate shifts to install with heat exchanger tube, adjusts the distance of baffle plate and heat exchanger tube end, just can realize the control to the slag flow velocity.Falling control device is not limited to above-mentioned two kinds of structures.Discharge chamber bottom is provided with discharging opening 25, and indoor bottom surface is the inclined-plane or the rotation base arrangement that slag is pushed into the discharging impeller of discharging opening or adopts the band hyoplastron is set that said structure does not illustrate in the drawings on the bottom surface.Fig. 5 is motorless vertical shell slag cooler, be that feed space and discharge chamber are not all established scraping wings and pusher impeller, falling control device is a baffle plate 26 with holes, and slag enters in the slag cooler and flows from top to bottom by its accumulation baffling and own wt, realize heat exchange, other structure is identical with Fig. 1.
Claims (6)
1, a kind of vertical shell slag cooler, comprise feed space, heat-exchanging chamber, discharge chamber and heat exchanger tube, it is characterized in that being distributed with in the heat-exchanging chamber heat-exchanging tube bundle of setting, the upper end of each heat exchanger tube is connected with feed space, the below of heat exchanger tube is provided with the falling control device that the control heat-conduction medium is detained in heat exchanger tube, the below of falling control device is provided with discharge chamber.
2, vertical shell slag cooler according to claim 1, it is characterized in that described falling control device is by overhead gage and lower baffle plate and the scraping wings that is positioned on the lower baffle plate, driven by transmission mechanism constitutes, the material-dropping hole of the material-dropping hole of overhead gage and heat exchanger tube and lower baffle plate shifts to install.
3, vertical shell slag cooler according to claim 1 is characterized in that described falling control device is heat exchanger tube sealed or to constitute with the baffle plate of its maintenance certain distance by moving up and down, and material-dropping hole and heat exchanger tube on the baffle plate shift to install.
4, vertical shell slag cooler according to claim 1, the housing that it is characterized in that described feed space is have the liquid in-out mouth jacket structured, its liquid outlet is connected with heat-exchanging chamber.
5, vertical shell slag cooler according to claim 1 is characterized in that the upper end of each heat exchanger tube is provided with the reducing tube head.
6, vertical shell slag cooler according to claim 1 is characterized in that being provided with the pusher impeller that makes the homogeneous media distribution that enters in feed space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031113214A CN1534266A (en) | 2003-03-27 | 2003-03-27 | Vertical shell and tube cold slag apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031113214A CN1534266A (en) | 2003-03-27 | 2003-03-27 | Vertical shell and tube cold slag apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1534266A true CN1534266A (en) | 2004-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031113214A Pending CN1534266A (en) | 2003-03-27 | 2003-03-27 | Vertical shell and tube cold slag apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN1534266A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898220A (en) * | 2012-11-13 | 2013-01-30 | 广州市凯米瑞化肥有限公司 | Plate type water cooling device applicable to particle fertilizer |
| CN103644745A (en) * | 2013-12-27 | 2014-03-19 | 济宁华德环保能源科技有限责任公司 | Slag cooler for calcinator |
| CN104567494A (en) * | 2014-12-31 | 2015-04-29 | 常熟市第二热电有限公司 | High-temperature ash utilizing device |
| CN109827317A (en) * | 2019-02-13 | 2019-05-31 | 大唐绥化热电有限公司 | Boiler combustion case waste-heat recovery device and recovery method |
| CN113664026A (en) * | 2021-08-29 | 2021-11-19 | 王晶晶 | Waste recovery device and waste recovery method for coal-electricity comprehensive energy utilization |
-
2003
- 2003-03-27 CN CNA031113214A patent/CN1534266A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898220A (en) * | 2012-11-13 | 2013-01-30 | 广州市凯米瑞化肥有限公司 | Plate type water cooling device applicable to particle fertilizer |
| CN102898220B (en) * | 2012-11-13 | 2014-08-20 | 广州市凯米瑞化肥有限公司 | Plate type water cooling device applicable to particle fertilizer |
| CN103644745A (en) * | 2013-12-27 | 2014-03-19 | 济宁华德环保能源科技有限责任公司 | Slag cooler for calcinator |
| CN104567494A (en) * | 2014-12-31 | 2015-04-29 | 常熟市第二热电有限公司 | High-temperature ash utilizing device |
| CN109827317A (en) * | 2019-02-13 | 2019-05-31 | 大唐绥化热电有限公司 | Boiler combustion case waste-heat recovery device and recovery method |
| CN113664026A (en) * | 2021-08-29 | 2021-11-19 | 王晶晶 | Waste recovery device and waste recovery method for coal-electricity comprehensive energy utilization |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |