CN203857445U - Waste heat boiler adaptive to high temperature semi-coke solid particle waste heat recovery and utilization - Google Patents
Waste heat boiler adaptive to high temperature semi-coke solid particle waste heat recovery and utilization Download PDFInfo
- Publication number
- CN203857445U CN203857445U CN201420274511.8U CN201420274511U CN203857445U CN 203857445 U CN203857445 U CN 203857445U CN 201420274511 U CN201420274511 U CN 201420274511U CN 203857445 U CN203857445 U CN 203857445U
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- Prior art keywords
- waste heat
- high temperature
- solid particle
- burner hearth
- heat recovery
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- 239000002918 waste heat Substances 0.000 title claims abstract description 37
- 239000002245 particle Substances 0.000 title claims abstract description 20
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 230000003044 adaptive effect Effects 0.000 title abstract 2
- 239000000571 coke Substances 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 239000003610 charcoal Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000009421 internal insulation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000010009 beating Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a waste heat boiler adaptive to high temperature semi-coke solid particle waste heat recovery and utilization. The waste heat boiler comprises a boiler barrel, a hearth, a material arranging device and a material arraying device. The hearth comprises heat insulating plates and is heat-insulated, the hearth is provided with a superheater area, an evaporator area and an economizer area sequentially from the top to bottom, the heating surface of each area is the heating surface of the small-pitch membrane walled tube panel and is connected to the boiler barrel through a steamwater pipeline, and the hearth is provided with a mechanical vibration loosing device inside. The waste heat boiler adopts the heat exchange manner of high temperature solid particles contacting with the heating surfaces directly, the medium procedure is reduced, and the investment is lowered; a modular internal heat insulating protective plate structure is adopted, on-site mounting is facilitated, radiation amount is small, and heat expansion amount is small; the hearth is provided with the heating surfaces of the small-pitch membrane walled tube panel inside, structure is compact, the heat exchanging area is large, and heat exchanging efficiency is high; the vibration loosing device vibrates the heating surfaces through a beating link to loose materials, and the problems of material bridging and clamping among the heating surfaces are solved.
Description
Technical field
The utility model relates to waste heat boiler, and specifically a kind of waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery, belongs to thermal powerplant.
Background technology
At present, in blue charcoal industrial processes, need blue high temperature charcoal particle to be cooled to normal temperature, not only waste a large amount of heat energy, also need to consume a large amount of cooling waters simultaneously, for energy-saving and cost-reducing, saving water resource, by waste heat boiler, the heat discharging in the blue charcoal particle of high temperature temperature-fall period is transformed into steam, for steam turbine power generation, both utilized waste heat, again saving water resource.
Utility model content
The utility model is intended to solve the problems referred to above that exist in existing blue charcoal industrial processes, and a kind of waste heat boiler that the blue charcoal solid particle of high temperature Waste Heat Recovery is utilized that is applicable to is provided.
The technical scheme that the utility model addresses the above problem employing is:
A kind of waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery, comprise drum, burner hearth, the distribution device of roof of the furnace, the discharge device of burner hearth bottom, described burner hearth is the adiabatic furnace being made up of the backplate of internal insulation structure, described burner hearth inside sets gradually superheater region from top to bottom, evaporimeter region, economizer region, described superheater region, evaporimeter region, the heating surface in economizer region is fine pith membrane panel heating surface, described each heating surface is all connected with drum by steam-water pipeline, described burner hearth inside is provided with mechanical type and shakes loosening device.
The utility model that adopts technique scheme, compared with prior art, its beneficial effect is:
Realize the heat exchange mode that high-temperature solid particle directly contacts with heating surface, cut down the number of intermediate links, small investment; Adopt modular interior insulation guard board version, on-the-spot easy for installation, dispel the heat little, thermal expansion amount is little; In burner hearth, adopt fine pith membrane panel heating surface, compact conformation, heat exchange area is large, and the thermal efficiency is high; Shake loosening device by knocking connecting rod vibrations heating surface, loosening material, solves the material problem such as put up a bridge between heating surface, get stuck.
As preferably, the utility model further technical scheme is:
Described burner hearth is upright support structure, and drum is positioned at the topmost of upright support structure.
Described superheater region division has the high temperature superheater and the low temperature superheater that are welded as a whole by band steel, and direct-contact desuperheater is set in the middle of two-stage superheater.
Described evaporimeter region is provided with higher level's evaporimeter and subordinate's evaporimeter, and two groups of evaporimeters are arranged in parallel.
Described economizer region division has high-temperature economizer, low-level (stack-gas) economizer and condensed water heater.
Four jiaos of described roof of the furnaces are equipped with the Weight type charge level monitoring device of Real-Time Monitoring controlling level.
Described mechanical type shakes loosening device and is arranged in the each group of burner hearth left and right sides between heating surface.
Described distribution device is class conical structure, and cone material 1Cr18Ni9Ti is welded with the dividing plate that the whole conical surface is divided into some zonules on taper seat.
Brief description of the drawings
Fig. 1 is the utility model example structure schematic diagram.
In figure: drum 1, distribution device 2, high temperature superheater 3, low temperature superheater 4, higher level's evaporimeter 5, subordinate's evaporimeter 6, high-temperature economizer 7, low-level (stack-gas) economizer 8, condensed water heater 9, device for discharging 10, mechanical type shakes loosening device 11, backplate 12, burner hearth 13, Weight type charge level monitoring device 14.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, and object is only to understand better the utility model content.
Referring to Fig. 1, be applicable to the waste heat boiler that the blue charcoal solid particle of high temperature Waste Heat Recovery is utilized described in the present embodiment, adopt the version of vertical, upper entering and lower leaving, all members are supporting structure.
Burner hearth 13 is made up of the backplate 12 with internal insulation structure, burner hearth 13 center of top location arrangements have distribution device 2, distribution device 2 is class conical structure, cone material 1Cr18Ni9Ti, guarantee that distribution device 2 is high temperature resistant, wear-resistant, on taper seat, be welded with the dividing plate that the whole conical surface is divided into some zonules, after material falls along the conical surface, by stocking angle natural packing, on whole section of burner hearth, form " hump " shape accumulation body.
Burner hearth 13 inside, are furnished with high temperature superheater 3, low temperature superheater 4, higher level's evaporimeter 5, subordinate's evaporimeter 6, high-temperature economizer 7, low-level (stack-gas) economizer 8, condensed water heater 9 from top to bottom successively, and above each group of heating surface is fine pith film mode tube screen structure.Between high temperature superheater 3 and low temperature superheater 4, direct-contact desuperheater is set, for saving longitudinal space, between high temperature superheater 3 and low temperature superheater 4, is welding as one by band steel.Higher level's evaporimeter 5 and 6 parallel connections of subordinate's evaporimeter, every grade of evaporimeter inner tube alignment profit is arranged, wrong pitch layout between double effect evaporator, disturbance when strength imparting material flows, strengthens heat transfer effect.Low-level (stack-gas) economizer 8 is welding as one by band steel with condensed water heater 9, to save boiler longitudinal space.
For preventing occurring the phenomenon that gets stuck between heating surface, be furnished with respectively mechanical type in burner hearth 13 left and right sides of higher level's evaporimeter 5, subordinate's evaporimeter 6, high-temperature economizer 7, low-level (stack-gas) economizer 8, condensed water heater 9 bottom heating surfaces and shake loosening device 11, each side four groups, burner hearth 13, totally eight covers.Mechanical type shakes loosening device 11 by knocking connecting rod vibrations heating surface, and loosening material solves the material problem such as put up a bridge between heating surface, get stuck.
Controllable type device for discharging 10 is arranged in burner hearth 13 bottoms, and the discharging quantity of the discharge gate of each device for discharging 10 is by electronic discharge valve control, even to ensure whole section of burner hearth discharge.The cone bucket structure of device for discharging 10 and nesting population size be all according to experimental data design, and the phenomenon such as occur loosing core, get stuck while guaranteeing to prevent discharging as far as possible under the prerequisite of discharging quantity; Cone struggles against all by type steel support, the wear-resisting steel plate of liner Q345B, and the outer insulation construction of outside employing, outermost layer is laid steel plate, constructs simple and convenient.
Four jiaos, burner hearth 13 top is furnished with Weight type charge level monitoring device 14, the low spot of material " hump " shape accumulation body in corresponding burner hearth, judge burner hearth controlling level by the distance of fall of weight, control material level in burner hearth by device for discharging 10, ensure that the low spot of solid accumulation all covers heating surface.
Drum 1, at waste heat boiler topmost, is connected with each heating surface by steam-water pipeline.
When the utility model work, the blue charcoal particle of high-temp solid enters from top, via being evenly distributed on section of burner hearth after distribution device 2, rely on self gravitation to pass through successively superheater region, evaporimeter region, economizer region from top to bottom, through carrying out heat exchange with heating surfaces at different levels, complete himself process cooling and that Waste Heat Recovery is utilized.
Claims (8)
1. one kind is applicable to the waste heat boiler that the blue charcoal solid particle of high temperature Waste Heat Recovery is utilized, comprise drum, burner hearth, the distribution device of roof of the furnace, the discharge device of burner hearth bottom, it is characterized in that, described burner hearth is the adiabatic furnace being made up of the backplate of internal insulation structure, described burner hearth inside sets gradually superheater region from top to bottom, evaporimeter region, economizer region, described superheater region, evaporimeter region, the heating surface in economizer region is fine pith membrane panel heating surface, described each heating surface is all connected with drum by steam-water pipeline, described burner hearth inside is provided with mechanical type and shakes loosening device.
2. the waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery according to claim 1, is characterized in that, described burner hearth is upright support structure, and drum is positioned at the topmost of upright support structure.
3. the waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery according to claim 1, it is characterized in that, described superheater region division has the high temperature superheater and the low temperature superheater that are welded as a whole by band steel, and direct-contact desuperheater is set in the middle of two-stage superheater.
4. the waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery according to claim 1, is characterized in that, described evaporimeter region is provided with higher level's evaporimeter and subordinate's evaporimeter, and two groups of evaporimeters are arranged in parallel.
5. the waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery according to claim 1, is characterized in that, described economizer region division has high-temperature economizer, low-level (stack-gas) economizer and condensed water heater.
6. be according to claim 1ly applicable to the waste heat boiler that the blue charcoal solid particle of high temperature Waste Heat Recovery is utilized, it is characterized in that, four jiaos of described roof of the furnaces are equipped with the Weight type charge level monitoring device of Real-Time Monitoring controlling level.
7. the waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery according to claim 1, is characterized in that, described mechanical type shakes loosening device and is arranged in the each group of burner hearth left and right sides between heating surface.
8. the waste heat boiler that is applicable to the utilization of the blue charcoal solid particle of high temperature Waste Heat Recovery according to claim 1, it is characterized in that, described distribution device is class conical structure, and cone material 1Cr18Ni9Ti is welded with the dividing plate that the whole conical surface is divided into some zonules on taper seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274511.8U CN203857445U (en) | 2014-05-27 | 2014-05-27 | Waste heat boiler adaptive to high temperature semi-coke solid particle waste heat recovery and utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274511.8U CN203857445U (en) | 2014-05-27 | 2014-05-27 | Waste heat boiler adaptive to high temperature semi-coke solid particle waste heat recovery and utilization |
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| Publication Number | Publication Date |
|---|---|
| CN203857445U true CN203857445U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274511.8U Expired - Lifetime CN203857445U (en) | 2014-05-27 | 2014-05-27 | Waste heat boiler adaptive to high temperature semi-coke solid particle waste heat recovery and utilization |
Country Status (1)
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| CN (1) | CN203857445U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448921A (en) * | 2017-08-07 | 2017-12-08 | 郑州中鼎锅炉股份有限公司 | A kind of direct heat-exchanging type solid waste heat boiler |
| CN107642776A (en) * | 2017-10-30 | 2018-01-30 | 贵州新能源开发投资股份有限公司 | A kind of slag storehouse formula slag cooler and its application method suitable for low heat value spoil |
| CN110906763A (en) * | 2019-12-03 | 2020-03-24 | 西安交通大学 | Waste heat recovery system and method based on combined cooling of high-temperature solid particles |
| CN112984492A (en) * | 2021-03-03 | 2021-06-18 | 华能（天津）煤气化发电有限公司 | Conveniently-overhauled small-sized tube panel device at tail part of waste heat boiler and installation method |
-
2014
- 2014-05-27 CN CN201420274511.8U patent/CN203857445U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448921A (en) * | 2017-08-07 | 2017-12-08 | 郑州中鼎锅炉股份有限公司 | A kind of direct heat-exchanging type solid waste heat boiler |
| CN107642776A (en) * | 2017-10-30 | 2018-01-30 | 贵州新能源开发投资股份有限公司 | A kind of slag storehouse formula slag cooler and its application method suitable for low heat value spoil |
| CN110906763A (en) * | 2019-12-03 | 2020-03-24 | 西安交通大学 | Waste heat recovery system and method based on combined cooling of high-temperature solid particles |
| CN112984492A (en) * | 2021-03-03 | 2021-06-18 | 华能（天津）煤气化发电有限公司 | Conveniently-overhauled small-sized tube panel device at tail part of waste heat boiler and installation method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |