CN201795473U - Dust removing steam superheater - Google Patents
Dust removing steam superheater Download PDFInfo
- Publication number
- CN201795473U CN201795473U CN2010202744314U CN201020274431U CN201795473U CN 201795473 U CN201795473 U CN 201795473U CN 2010202744314 U CN2010202744314 U CN 2010202744314U CN 201020274431 U CN201020274431 U CN 201020274431U CN 201795473 U CN201795473 U CN 201795473U
- Authority
- CN
- China
- Prior art keywords
- steam
- heating surface
- dust
- steam superheater
- waste gas
- Prior art date
- 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 - Lifetime
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A dust removing steam superheater belongs to an afterheat recovery plant and consists of a waste gas outlet, a convection supplementing heating surface, an intermediate collecting box, an inner barrel, an outer casing, an inlet collecting box, a dust hopper, an outlet collecting box, a waste gas inlet, a heat exchange tube, a diaphragm and a spiral finned tube. The dust removal steam superheater combines a principle of airflow with a principle of machinery, is combined by a steam superheater and a dust remover, and is integrated under a kiln head afterheat boiler. Steam parameters required by heating or power generation are realized by means of heating saturated steam, and accordingly the dust removal steam superheater increases heat utilization rate and simultaneously has fine dust removal effect. In addition, the dust removal steam superheater is not easy to be accumulated with dust, has low system resistance, increases thermal efficiency of the boiler, simultaneously eliminates water in steam so as to protect a steam turbine, is safe and convenient in operation, and achieves the purpose of saving energy and reducing emission.
Description
Technical field
The utility model relates to a kind of waste heat recovery apparatus, but particularly a kind of dust-removing steam superheater.
Background technology
Since China's reform and opening-up, national economy is increased fast, and " scientific and technical innovation, autonomous innovation " become the main flow of the present industrial development of China.China's industry just progressively develops to the direction of economizing type, energy-saving and emission-reduction, low-carbon (LC).The enterprise of utilization boiler such as especially big-and-middle-sized power plant, steam power plant.Steam superheater in the new type nonaqueous cement kiln kiln hood cooling machine waste gas heat recovery boiler system is the visual plant that produces steam heating or supply generating, at present, this steam superheater is generally by pure convection heat transfer' heat-transfer by convection, only have the simple function that saturated vapor further is heated to be superheated steam, establish one or two deduster in addition simultaneously the waste gas that enters kiln hood waste heat boiler is carried out dedusting.Because the waste gas that enters steam superheater surpasses 600 ℃ even to more than 700 ℃ sometimes, wherein contains a small amount of molten condition caking property dust, causes the dust stratification of heating surface easily by the superheater of pure convection heat transfer' heat-transfer by convection, even stops up, cause user's loss of stopping; Waste gas through deduster, passes through steam superheater earlier again, and the waste gas resistance is bigger, has increased SR.Scientific and technological research staff and technical staff of the same trade constantly explore, study, test, the waste heat recovery apparatus that wish to seek out a kind of good dedusting effect, cross thermal efficiency height, relative cost is low, though obtain certain effect, still exist the technical barrier that does not overcome as yet in actual applications.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, but a kind of dust-removing steam superheater is provided, and makes it reach heat supply or the needed steam parameter of confession generating by the heating saturated vapor, thereby improves the heat energy utilization rate.Adopt air-flow to learn and form, have good dedusting effect with theory of mechanics is designed in conjunction.This device is difficult for the steam that dust stratification, SR are little, make full use of steam superheater, has improved boiler thermal output, eliminates moisture in the steam simultaneously with the protection steam turbine, handling safety, convenience, and the reduction environmental pollution reaches the purpose of energy-saving and emission-reduction.
The technical scheme that its technical problem that solves the utility model adopts is: contain waste gas outlet, convection current replenishes heating surface, middle collection case, inner core, shell, the inlet header case, ash bucket, outlet collection case, exhaust gas inlet, heat exchanger tube, diaphragm, spiral fin coil, the steam superheater lower end is provided with the funnel-form ash bucket, ash bucket top is provided with annular entrance collection case, inlet header case left end is provided with exhaust gas inlet, the inlet header upper box part is provided with inner core and shell, the heating surface of inner core and shell is formed by heat exchanger tube and diaphragm, the heat exchanger tube of inner core heating surface interts in diaphragm, and uniform arrangement, the heat exchanger tube of shell heating surface is welded on membrane surface, and uniform arrangement, inner core and shell collect case in the middle of being provided with annular, middle collection upper box part is provided with several groups of convection current and replenishes heating surface, convection current replenishes heating surface to be made up of spiral fin coil, and spiral fin coil is shape in the shape of a spiral, and convection current replenishes heating surface top and is provided with ring exit collection case, outlet collection case top middle portion is provided with waste gas outlet, but has constituted a kind of dust-removing steam superheater.
But the know-why of this kind dust-removing steam superheater is: make it reach heat supply or for the needed steam parameter of generating by the heating saturated vapor, thereby reduce heat-energy losses, improve heat supply or generating efficiency.Adopting air-flow to learn with theory of mechanics is designed in conjunction forms.Should but steam superheater and two equipment of deduster be united two into one the dust-removing steam superheater, and be integrated in below the kiln hood waste heat boiler.Waste gas is cut cavity rotational flow between shell and the inner core from exhaust gas inlet by the inlet header case, this cavity heating surface is made of heat exchanger tube and diaphragm, diaphragm has the effect of augmentation of heat transfer and sealing, waste gas is passed to steam by radiant heat transfer with heat, EGT progressively is reduced to below the grey melting point, dust is hardened in the spirality cavity separates, dust drops to downwards in the ash bucket, and heating surface is difficult for dust stratification and obstruction like this.Waste gas is passed to steam with heat in the mobile dedusting in the spirality cavity, the waste gas resistance is less, reduced SR, the waste gas of process spiraled cavity preliminary treatment turns to and enters inner core, and collection case in the middle of upwards entering, the convection current of flowing through again replenishes heating surface, make the heat of waste gas further reach saturated vapor, make saturated vapor reach heat supply or the needed steam parameter of confession generating, convection current replenishes heating surface and is made up of spiral fin coil, effect with augmentation of heat transfer, waste gas enters outlet collection case afterwards, flows to kiln hood waste heat boiler by waste gas outlet.This device is difficult for dust stratification, SR is little, has improved boiler thermal output, eliminates moisture in the steam simultaneously with the protection steam turbine, handling safety, convenience, and the reduction environmental pollution reaches the purpose of energy-saving and emission-reduction.
The utility model beneficial effect is: the waste gas that dustiness is higher, be introduced into the spirality cavity that constitutes by heat exchanger tube and diaphragm, waste gas is passed to steam by radiant heat transfer with heat, EGT progressively is reduced to below the grey melting point, dust is hardened in the spirality cavity to be separated, dust drops to ash bucket downwards, and heating surface is difficult for dust stratification and obstruction like this; Waste gas is passed to steam with heat in the mobile dedusting in the spirality cavity, the waste gas resistance is less, has reduced SR; Steam superheater and two equipment of deduster are united two into one, and be integrated in below the kiln hood waste heat boiler, improved boiler thermal output; eliminate simultaneously in the steam moisture with the protection steam turbine; handling safety, convenience reduce environmental pollution, reach the purpose of energy-saving and emission-reduction.
Description of drawings
Be in conjunction with the accompanying drawings and embodiments the utility model to be further described below:
But Fig. 1 is a kind of dust-removing steam superheater facade sketch;
But Fig. 2 is a kind of dust-removing steam superheater top plan view sketch;
But Fig. 3 is a kind of inner core heated face structure schematic diagram of dust-removing steam superheater;
But Fig. 4 is a kind of shell heated face structure schematic diagram of dust-removing steam superheater;
But Fig. 5 is a kind of additional convection heating surface structural representation of dust-removing steam superheater.
Among the figure: 1, waste gas outlet 2, convection current replenish heating surface 3, middle collection case 4, inner core 5, shell 6, inlet header case 7, ash bucket 8, outlet collection case 9, exhaust gas inlet 10, heat exchanger tube 11, diaphragm 12, spiral fin coil
The specific embodiment
At Fig. 1,2,3,4, in 5: the steam superheater lower end is provided with funnel-form ash bucket 7, ash bucket 7 tops are provided with annular entrance collection case 6, inlet header case 6 left ends are provided with exhaust gas inlet 9, inlet header case 6 tops are provided with inner core 4 and shell 5, the heating surface of inner core 4 and shell 5 is formed by heat exchanger tube 10 and diaphragm 11, the heat exchanger tube 10 of inner core 4 heating surfaces interts in diaphragm 11, and uniform arrangement, the heat exchanger tube 10 of shell 5 heating surfaces is welded on diaphragm 11 surfaces, and uniform arrangement, inner core 4 and shell 5 collect case 3 in the middle of being provided with annular, and middle collection case 3 tops are provided with several groups of convection current and replenish heating surface 2, and convection current replenishes heating surface 2 and is made up of spiral fin coil 12, spiral fin coil 12 is shape in the shape of a spiral, convection current replenishes heating surface 2 tops and is provided with ring exit collection case 8, and outlet collection case 8 top middle portion are provided with waste gas outlet 1, but have constituted a kind of dust-removing steam superheater.
Make it reach heat supply or for the needed steam parameter of generating by the heating saturated vapor, thereby reduce heat-energy losses, improve heat supply or generating efficiency.Adopting air-flow to learn with theory of mechanics is designed in conjunction forms.Should but steam superheater and two equipment of deduster be united two into one the dust-removing steam superheater, and be integrated in below the kiln hood waste heat boiler.Waste gas is cut cavity rotational flow between shells 5 and the inner core 4 from exhaust gas inlet by inlet header case 6, this cavity heat-transfer surface is made of heat exchanger tube 10 and diaphragm 11, diaphragm 11 has the effect of augmentation of heat transfer and sealing, waste gas is passed to steam by radiant heat transfer with heat, EGT progressively is reduced to below the grey melting point, dust is hardened in the spirality cavity to be separated, dust drops to ash bucket 7 downwards, heating surface is difficult for dust stratification and obstruction like this, waste gas is passed to steam with heat in the mobile dedusting in the spirality cavity, the waste gas resistance is less, has reduced SR, and the waste gas of process spiraled cavity preliminary treatment turns to and enters inner core, and collection case 3 in the middle of upwards entering, the convection current of flowing through again replenishes heating surface 2, makes the heat of waste gas further reach saturated vapor, makes saturated vapor reach heat supply or the needed steam parameter of confession generating, convection current replenishes heating surface 2 and is made of spiral fin coil 12, effect with augmentation of heat transfer, waste gas enters outlet collection case 8 afterwards, flows to kiln hood waste heat boiler by waste gas outlet 1.This device is difficult for that dust stratification, SR are little, equipment investment and construction investment are relatively low, has improved boiler thermal output, eliminates moisture in the steam simultaneously with the protection steam turbine, handling safety, convenience, and the reduction environmental pollution reaches the purpose of energy-saving and emission-reduction.
Claims (1)
1. but dust-removing steam superheater, contain waste gas outlet, convection current replenishes heating surface, middle collection case, inner core, shell, the inlet header case, ash bucket, outlet collection case, exhaust gas inlet, heat exchanger tube, diaphragm, spiral fin coil, it is characterized in that: the steam superheater lower end is provided with the funnel-form ash bucket, ash bucket top is provided with annular entrance collection case, inlet header case left end is provided with exhaust gas inlet, the inlet header upper box part is provided with inner core and shell, the heating surface of inner core and shell is formed by heat exchanger tube and diaphragm, the heat exchanger tube of inner core heating surface interts in diaphragm, and uniform arrangement, the heat exchanger tube of shell heating surface is welded on membrane surface, and uniform arrangement, inner core and shell collect case in the middle of being provided with annular, middle collection upper box part is provided with several groups of convection current and replenishes heating surface, and convection current replenishes heating surface to be made up of spiral fin coil, and spiral fin coil is shape in the shape of a spiral, convection current replenishes heating surface top and is provided with ring exit collection case, and outlet collection case top middle portion is provided with waste gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202744314U CN201795473U (en) | 2010-07-21 | 2010-07-21 | Dust removing steam superheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202744314U CN201795473U (en) | 2010-07-21 | 2010-07-21 | Dust removing steam superheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795473U true CN201795473U (en) | 2011-04-13 |
Family
ID=43850379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202744314U Expired - Lifetime CN201795473U (en) | 2010-07-21 | 2010-07-21 | Dust removing steam superheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097242A (en) * | 2020-09-18 | 2020-12-18 | 东方菱日锅炉有限公司 | Multi-tube discharge superheater of waste heat boiler |
-
2010
- 2010-07-21 CN CN2010202744314U patent/CN201795473U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097242A (en) * | 2020-09-18 | 2020-12-18 | 东方菱日锅炉有限公司 | Multi-tube discharge superheater of waste heat boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202141195U (en) | Vacuum hot water boiler with waste heat recycling device | |
| CN203797614U (en) | Heat recovery boiler for cooling biomass synthesis gas to generate electricity | |
| CN201764839U (en) | Heat-pipe apparatus for recycling smoke and waste heat | |
| CN101639211A (en) | Float glass melting furnace parallel connection waste heat power generation system | |
| CN202630758U (en) | Heat pipe type smoke waste heat recovery device | |
| CN201795473U (en) | Dust removing steam superheater | |
| CN101221019A (en) | Residual heat utilization device of sintering circular-cooler | |
| CN205638587U (en) | Tail gas afterheat recycling device of thermal power factory | |
| CN202470793U (en) | Equipment special for using waste heat of high dust content flue gas of submerged arc furnace in cascade mode and removing dust | |
| CN204085207U (en) | A kind of afterheat generating system being applied to cement production process | |
| CN202947122U (en) | Combined waste heat recovery system of phase change heat exchanger and low-pressure economizer | |
| CN201417093Y (en) | Heat recovery system of waste heat boiler for glass production line | |
| CN107401432B (en) | Reduced ilmenite particle thermoelectric coupling co-supply system and method | |
| CN203323089U (en) | Titanium dioxide rotary kiln flue gas heat pipe waste heat boiler | |
| CN201680735U (en) | Power generation boiler with steel cooling and waste heat recovery functions during steelmaking and steel rolling process | |
| CN205783035U (en) | A kind of high temperature flue-gas from boiler heat-exchanger rig | |
| CN204810178U (en) | Utilize thermoelectric power generation device of boiler afterbody flue flue gas waste heat | |
| CN203771515U (en) | Copper plant low-grade waste heat recovery system for urban central heating | |
| CN202993873U (en) | Highly-efficient and energy-saving calcium carbide waste heat power generation system | |
| CN203474458U (en) | Roasting system capable of recovering waste heat | |
| CN219103735U (en) | Denitration type cement line kiln tail exhaust-heat boiler | |
| CN203719217U (en) | High-speed wire air cooling waste heat recovery device | |
| CN201589535U (en) | Special high-temperature smoke afterheat utilization and dust removal equipment for iron alloy semi-hermetic furnace | |
| CN201780005U (en) | Ore-smelting electric furnace with heat energy recovery generating set | |
| CN203927865U (en) | A kind of ammoniacal liquor waste heat boiler that reclaims sinter fume |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU DONGJIU HEAVY INDUSTRIES CO., LTD. Free format text: FORMER NAME: YANCHENG CITY BOILER MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 224005 No. 5, Pioneer Road, Jiangsu, Yancheng City Patentee after: East, Jiangsu nine heavy industry limited companies Address before: 224005 No. 5, Pioneer Road, Jiangsu, Yancheng City Patentee before: Yancheng City Boiler Manufacturing Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
|
| CX01 | Expiry of patent term |