CN2401782Y - Horizontal square heat-exchange separator - Google Patents
Horizontal square heat-exchange separator Download PDFInfo
- Publication number
- CN2401782Y CN2401782Y CN 00201914 CN00201914U CN2401782Y CN 2401782 Y CN2401782 Y CN 2401782Y CN 00201914 CN00201914 CN 00201914 CN 00201914 U CN00201914 U CN 00201914U CN 2401782 Y CN2401782 Y CN 2401782Y
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- China
- Prior art keywords
- separator
- horizontal square
- square heat
- heat exchanging
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 238000002407 reforming Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses a horizontal square heat exchanging separator. The utility model is provided with a body of the horizontal square heat exchanging separator and is provided with a rectangular pipe with an inlet and an outlet on a lateral direction. The inner sides of the centers of both ends of the body of the horizontal square heat exchanging separator are respectively provided with exhaust pipes, and the lower part of the body of the horizontal square heat exchanging separator is provided with a half oblique cone funnel. A dust collecting opening is arranged below the half oblique cone funnel. The utility model has the advantage that the horizontal square heat exchanging separator is arranged on an outlet of a hearth of a circulating fluidized bed and a corner of a convection flue and is consistent with the flow path of smoke gas and has the advantages of simple structure, convenient manufacture, and convenient installation. In addition, the utility model has the advantages that a membrane type heat exchanging pipe wall is made into a wall surface for recovering heat quantity for better effect, and the horizontal square heat exchanging separator is especially suitable for being used for reforming an old boiler to a boiler with circulating fluidized bed.
Description
The utility model relates to separator, especially relates to horizontal square heat-exchanging separator.
Separator is the vitals of CFBB, and using at present is adiabatic high temperature cyclone separator more widely, belongs to vertical separator, basic structure is circular, tangential air intake, on give vent to anger, the employing refractory material is made, wall thickness reaches 400mm, and not only separator itself is very heavy, and volume is big, it is big to support the steel consumption, and start-up time is long, and flame retardant coating is easy to crack, peel off, and has influenced the normal operation of boiler.
For this reason, U.S. Foster Wheeler company has developed water-cooled/air cooling high temperature cyclone separator, and the separator body adopts water-cooling wall to make liner 50～100mm heat-barrier material, makes separator weight saving, and it is convenient to support, and start-stop time is short.But this separator manufacturing process complexity, the cost costliness.
U.S. Pyroflow company develops the vertical square separator of the formula of giving vent to anger on a kind of, body is square, wall is made with membrane wall, is used for the compact circulation fluidized bed boiler of Pyroflow company, has the few advantage of floor space for new design cycle fluidized-bed combustion boiler.Tsing-Hua University has improved the entry mode of the formula of giving vent to anger on this kind and has applied for patent (ZL93235842.x) in China.But the flue gas flow of last discharge air separator and whole circulation fluidized-bed combustion boiler is incompatible, makes whole boiler complicated layout, and the steel consumption increases, and has vertical direction simultaneously concurrently and occupies highly bigger shortcoming.
The circular separator of giving vent to anger down has the characteristics consistent with the flue gas flow of whole circulation fluidized-bed combustion boiler, many research units develop this, as Chinese Zhejiang University (1989), China HUST (1989), Canada Western Ontario university (1997) and French Ecole National Superieure duPetrole etdes Moterurs (1991) with regard under the circular separator of giving vent to anger carried out relevant mechanism research and development, wherein Zhejiang University has obtained the patent (ZL 94223276.3) of the square separator of time giving vent to anger in China.Though the separator of the formula of giving vent to anger down has the advantage consistent with the boiler smoke flow process, it is vertically highly bigger, and the design new boiler can be regulated by general layout, but is used in the restriction that the old boiler transformation will be subjected to the confined space.
Tsing-Hua University proposes the horizontal circular separator in development CFBB technology, more successfully be applied in the actual motion of Industrial Boiler, with vertical on give vent to anger the similar this separator manufacturing process of cyclone separator than the square separator complexity.
Particularly with old boiler (as coal-powder boiler, chain furnace) is transformed into CFBB, need in original limited arrangement space, set up separator, require simultaneously to try one's best and few original equipment is done change to reduce improvement cost, this will just ask, and exploitation is a kind of to be made full use of the former old boiler confined space and satisfy separation requirement, simultaneously again can be as the separator of a part of heating surface.
The purpose of this utility model provides a kind of volume horizontal square heat-exchanging separator little, simple in structure.
The utility model is taked following measures in order to achieve the above object:
Horizontal square heat-exchanging separator has the horizontal square heat-exchanging separator body, side direction is provided with rectangle and imports and exports pipe, the center inside at square separator body two ends is respectively equipped with blast pipe, is provided with half beveled cone funnel in the bottom of separator body, and half beveled cone funnel is divided into the dust collection mouth.
Advantage of the present utility model: one or several horizontal square heat-exchanging separators are arranged in outlet of recirculating fluidized bed burner hearth and convection pass turning, consistent with flue gas flow, simple in structure, make easy for installation, it is better to adopt membrane type heat exchange tube wall to make wall recovery heat, is particularly useful for transforming old boiler as CFBB.The total efficiency of separation of this device can reach 99.5%.
Below in conjunction with accompanying drawing the utility model is elaborated.
Fig. 1 is the horizontal square heat-exchanging separator structural representation;
Fig. 2 is the horizontal square heat-exchanging separator front view;
Fig. 3 is the right pseudosection of horizontal square heat-exchanging separator;
Fig. 4 is the horizontal square heat-exchanging separator vertical view.
Horizontal square heat-exchanging separator has horizontal square heat-exchanging separator body 2, side direction is provided with rectangle and imports and exports pipe 1, the center inside at square separator body two ends is respectively equipped with blast pipe 3, be provided with half beveled cone funnel, 4, half beveled cone funnels in the bottom of separator body and divide into dust collection mouth 5.
Said horizontal square heat-exchanging separator body height is M, width N=0.8～1.4M, square inlet tube width a=(0.4～0.67) M, square inlet tube height b=(0.83～1.25) a, central row TD d=(0.4～0.67) M, the central row tracheae stretches into body length l=(0.05～0.15) M, and the angle of half beveled cone funnel cone portion and level is greater than 50 °, and the separator wall body can be made of membrane type heat exchange tube wall.All be lined with the fire-resistant scuff-resistant coating of certain thickness at inlet tube, body and beveled cone funnel internal layer and play the abrasionproof effect.
The horizontal square heat-exchanging separator separation principle is as follows: the High Temperature Gas fixed double phase flow laterally enters separator by inlet tube, primary air lays out a mouthful cylinder and rotates, but become little eddy current at the square separator quadrangle, most of particle is after entering separator, separate with rotating centrifugal through collision, enter in the beveled cone funnel of separator body bottom, the particle after the separation enters the beveled cone funnel along barrel and discharges from the dust collection mouth, and gas is then discharged from the blast pipe of both sides, separator body center.
One or several horizontal square heat-exchanging separators are arranged in outlet of recirculating fluidized bed burner hearth and convection pass turning, and whole boiler is arranged compactness, is particularly useful for transforming old boiler as CFBB.For the new CFBB of design, reduce land area, reduce cost; For the old boiler transformation, to change for a short time, cost is low.This device is higher than 97.5% for the separative efficiency of particle diameter 220 μ m particles, and the total efficiency of separation of separator can reach 99.5%, and resistance is about 1100Pa under the general operational requirement.
Claims (2)
1. horizontal square heat-exchanging separator, it is characterized in that it has horizontal square heat-exchanging separator body [2], side direction is provided with rectangle and imports and exports pipe [1], the center inside at square separator body two ends is respectively equipped with blast pipe [3], be provided with half beveled cone funnel [4] in the bottom of separator body, half beveled cone funnel is divided into dust collection mouth [5].
2. a kind of horizontal square heat-exchanging separator according to claim 1, it is characterized in that said horizontal square heat-exchanging separator body height is M, width N=0.8～1.4M, square inlet tube width a=(0.4～0.67) M, square inlet tube height b=(0.83～1.25) a, central row TD d=(0.4～0.67) M, the central row tracheae stretches into body length l=(0.05～0.15) M, the angle of half beveled cone funnel cone portion and level is greater than 50 °, and the separator wall body is made of membrane type heat exchange tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00201914 CN2401782Y (en) | 2000-01-04 | 2000-01-04 | Horizontal square heat-exchange separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00201914 CN2401782Y (en) | 2000-01-04 | 2000-01-04 | Horizontal square heat-exchange separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401782Y true CN2401782Y (en) | 2000-10-18 |
Family
ID=33571063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00201914 Expired - Fee Related CN2401782Y (en) | 2000-01-04 | 2000-01-04 | Horizontal square heat-exchange separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2401782Y (en) |
-
2000
- 2000-01-04 CN CN 00201914 patent/CN2401782Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |