CN207146366U - A kind of power plant boiler bottom ash energy recovery slag well device - Google Patents
A kind of power plant boiler bottom ash energy recovery slag well device Download PDFInfo
- Publication number
- CN207146366U CN207146366U CN201720516704.3U CN201720516704U CN207146366U CN 207146366 U CN207146366 U CN 207146366U CN 201720516704 U CN201720516704 U CN 201720516704U CN 207146366 U CN207146366 U CN 207146366U
- Authority
- CN
- China
- Prior art keywords
- slag
- water
- heat exchanger
- boiler
- power plant
- 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 - Fee Related
Links
- 239000002893 slag Substances 0.000 title claims abstract description 24
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000010882 bottom ash Substances 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000010884 boiler slag Substances 0.000 claims abstract description 12
- 239000000498 cooling water Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000002956 ash Substances 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
A kind of power plant boiler bottom ash energy recovery slag well device, it is characterised in that：Including boiler slag well, slag-water heat exchanger, inside boiler slag well, slag-water heat exchanger water inlet is connected slag-water heat exchanger with inlet channel, and slag-water heat exchanger delivery port is connected with water return pipeline, recovery heat energy is transported to power plant thermal system pipe network.The utility model beneficial effect：The waste heat of abundant recovery boiler clinker, improves heat recovery efficiency, reduces boiler ash heat loss, farthest reclaims recovery boiler slag-drip opening radiant heat and boiler bottom slag heat, improves whole thermal power plant heat-economy, realizes energy-conservation, consumption reduction, the mesh of emission reduction；Done suitable for pulverized-coal fired boiler（It is wet）Slag removing system, energy saving profit is obvious, market potential is huge, fills up industry blank.
Description
Technical field
The utility model belongs to boiler of power plant technical field of exhaust heat recovery equipment, and in particular to a kind of power plant boiler bottom ash
Energy recovery slag well device.
Background technology
China vigorously advocates " energy-saving, ultra-clean discharge " environmental requirement at this stage, and thermal power plant has been carried out
Cold source energy is reduced to improve the measure of boiler efficiency and means, such as：Setting up low-level (stack-gas) economizer etc. reduces exhaust gas temperature
Deng measure so that the thermal efficiency of boiler is improved and improves pollutant emission simultaneously.
At present, for producing ashes and unburnt lime-ash in boiler combustion process, the temperature of lime-ash is general
At 900 DEG C, power plant typically directly directly discharges boiler slag, it is impossible to which practical is converted into the waste heat of boiler bottom slag and can have
The heat energy that utilizes is imitated, causes the energy to fail to maximize the use, causes for many years can not effectively to reduce boiler machinery endless
Full combustion heat loss.
Utility model content
To solve the above problems, the utility model provides a kind of power plant boiler bottom ash energy recovery slag well device, by slag-
Water- to-water heat exchanger is inside boiler slag well, after slag-water- to-water heat exchangers at different levels are in parallel with water inlet pipe and water outlet pipe on the outside of slag well in boiler slag well
It is connected with Thermal System of Fossil Fuel-Fired Power Station pipe network, completes boiler furnace bottom bottom ash well and absorb boiler furnace radiant heat and bottom ash heat,
Maximum recovery boiler slag-drip opening radiant heat and boiler bottom slag heat, improve whole thermal power plant heat-economy, realize
Energy-conservation, consumption reduction, the purpose of emission reduction.
To achieve the above object, the utility model provides a kind of power plant boiler bottom ash energy recovery slag well device, and it is special
Sign is：Including boiler slag well, slag-water- to-water heat exchanger, slag-water- to-water heat exchanger is inside boiler slag well, slag-water- to-water heat exchanger water inlet
Mouth is connected with inlet channel, and slag-water- to-water heat exchanger delivery port is connected with water return pipeline, recovery heat energy is transported to power plant thermal system
Pipe network.
Described slag-water- to-water heat exchanger is the heat exchange coil of wear-resistant material composition, and multigroup heat exchange coil is inside boiler slag well
Form pipe network type slag-water- to-water heat exchanger.
Described slag-water- to-water heat exchanger on water inlet pipe and water outlet pipe on the outside of slag well with being respectively equipped with cooling water system shut-off valve, heat exchanger
Shut-off valve, slag-water- to-water heat exchanger and regulation slag-water- to-water heat exchanger flow are changed to overhaul.
The utility model beneficial effect：
1st, the waste heat of abundant recovery boiler clinker, heat recovery efficiency is improved, reduces boiler ash heat loss, farthest
Recovery boiler slag-drip opening radiant heat and boiler bottom slag heat are reclaimed, improves whole thermal power plant heat-economy, realizes energy-conservation, drop
Consumption, the mesh of emission reduction.
2nd, done suitable for pulverized-coal fired boiler（It is wet）Slag removing system, energy saving profit is obvious, market potential is huge, fills up industry sky
In vain.
Brief description of the drawings
Fig. 1 is the utility model facade arrangement schematic diagram；
Fig. 2 is the utility model floor plan.
Wherein, 1-inlet channel；2-water return pipeline；3-slag-water- to-water heat exchanger；4-heat exchanger shut-off valve；5-cooling
Water system shut-off valve；6-slag well.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
As shown in Fig. 1, Fig. 2, the utility model provides a kind of power plant boiler bottom ash energy recovery slag well device, in pot
Pipe network type slag-water- to-water heat exchanger of multigroup wear-resisting heat exchange coil composition, slag-water- to-water heat exchanger water inlet and water inlet are set inside clinker well
Pipeline connects, and recovery heat energy is transported to power plant thermal system pipe network；Inlet channel is provided with cooling water system shut-off valve, and slag-
Water- to-water heat exchanger delivery port is connected with water return pipeline, and water return pipeline is provided with heat exchanger shut-off valve, and slag-water- to-water heat exchanger is changed to overhaul
With regulation slag-water- to-water heat exchanger flow.
Utilize slag in slag well-water- to-water heat exchanger recovery boiler slag-drip opening radiant heat and boiler bottom slag heat, heating thermal power plant heat
Chilled water system or heat-setting water system or the feed water system of boiler etc. are closed in Force system, enables boiler bottom slag heat hot
Force system fully absorbs, and improves Thermal System of Fossil Fuel-Fired Power Station parameter using boiler slag well heat, reduces deslagging temperature, reduces whole fire
The cold source energy of power plant thermal system, carry the closed-up water of heat makes into firepower plant heating system use or other needs
Water system, realize that energy regenerating utilizes.
Claims (3)
- A kind of 1. power plant boiler bottom ash energy recovery slag well device, it is characterised in that：Including boiler slag well, slag-water- to-water heat exchanger, Slag-water- to-water heat exchanger is inside boiler slag well, and slag-water- to-water heat exchanger water inlet is connected with inlet channel, slag-water- to-water heat exchanger water outlet Mouth is connected with water return pipeline, and recovery heat energy is transported to power plant thermal system pipe network.
- 2. according to a kind of power plant boiler bottom ash energy recovery slag well device described in claim 1, it is characterised in that：Slag- Water- to-water heat exchanger is the heat exchange coil of wear-resistant material composition, and multigroup heat exchange coil forms pipe network type slag-water inside boiler slag well and changed Hot device.
- A kind of 3. power plant boiler bottom ash energy recovery slag well device according to claim 1 or 2, it is characterised in that：Slag- Water- to-water heat exchanger changes with being respectively equipped with cooling water system shut-off valve, heat exchanger shut-off valve on water inlet pipe and water outlet pipe on the outside of slag well to overhaul Slag-water- to-water heat exchanger and regulation slag-water- to-water heat exchanger flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720516704.3U CN207146366U (en) | 2017-05-11 | 2017-05-11 | A kind of power plant boiler bottom ash energy recovery slag well device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720516704.3U CN207146366U (en) | 2017-05-11 | 2017-05-11 | A kind of power plant boiler bottom ash energy recovery slag well device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207146366U true CN207146366U (en) | 2018-03-27 |
Family
ID=61658178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720516704.3U Expired - Fee Related CN207146366U (en) | 2017-05-11 | 2017-05-11 | A kind of power plant boiler bottom ash energy recovery slag well device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207146366U (en) |
-
2017
- 2017-05-11 CN CN201720516704.3U patent/CN207146366U/en not_active Expired - Fee Related
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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: 20180327 |