CN207661753U - A kind of coke dry quenching boiler waterworks - Google Patents
A kind of coke dry quenching boiler waterworks Download PDFInfo
- Publication number
- CN207661753U CN207661753U CN201721710203.5U CN201721710203U CN207661753U CN 207661753 U CN207661753 U CN 207661753U CN 201721710203 U CN201721710203 U CN 201721710203U CN 207661753 U CN207661753 U CN 207661753U
- Authority
- CN
- China
- Prior art keywords
- water
- oxygen
- dry quenching
- eliminating device
- coke dry
- 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
- 238000010791 quenching Methods 0.000 title claims abstract description 34
- 230000000171 quenching effect Effects 0.000 title claims abstract description 34
- 239000000571 coke Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000006392 deoxygenation reaction Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000004939 coking Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 6
- 239000003245 coal Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Landscapes
- Coke Industry (AREA)
Abstract
The utility model is related to coking, the waste heat recovery of metallurgical engineering technical field, a kind of particularly coke dry quenching boiler waterworks, a kind of coke dry quenching boiler waterworks, it is characterized in that：Including at least secondary economizer, oxygen-eliminating device, deaerator storage tank, boiler feed pump, deaerator recirculatingpump, the water inlet piping connection that condensed water in air cooling tubes condenser passes through condensate line and secondary economizer, the water outlet of secondary economizer is connect by oxygen-eliminating device inlet pipeline with oxygen-eliminating device, and deaerator storage tank passes through deaerated water piping connection coke dry quenching boiler.Air-cooled condensed water is fed directly to secondary economizer, eliminates sweet-water tank, deaerator feed water pump, water water- to-water heat exchanger, under conditions of ensureing coke dry quenching boiler water supply system normal operation, simplifies system, reduces equipment investment, reduce system resistance and power consumption.
Description
Technical field
The utility model is related to coking, the waste heat recovery of metallurgical engineering technical field, a kind of particularly coke dry quenching boiler
Waterworks.
Background technology
Dry coke quenching cogeneration refers to that the heat generation of dry quenching system inertia recyclegas is absorbed using coke dry quenching boiler
Steam converts heat into the process system that kinetic energy produces electricl energy to drawing generator subsequently into steam turbine.Steamer simultaneously
The steam discharge of machine is condensed into water by condenser, and is transmitted back to sweet-water tank by condensate pump.
In conventional dry coke quenching afterheat generating system, general condenser is water-cooled condenser, about 39 DEG C of condensing water temperature, warp
Condensate pump is delivered to sweet-water tank, is pumped to water-water heat exchanger and secondary province's coal by deaerator feedwater after being mixed with demineralized water
Device using the waste heat of boiler exhaust gas by water temperature heating, while entering the water temperature of secondary economizer not by water-water heat exchanger control
Less than 60 DEG C, to avoid the low-temperature corrosion of secondary economizer.Water after heating enters oxygen-eliminating device and utilizes steam deoxygenation, and deaerated water is by pot
Stove water supply is pumped to coke dry quenching boiler and generates steam.A part of deaerated water is sent to water-hydro-thermal by deaerator recirculatingpump and is handed over simultaneously
Parallel operation water inlet in the boiler startup stage or enters when the water temperature of secondary economizer is less than 60 DEG C and opens deaerator recirculatingpump incorporation heat
Water improves water temperature.The moisturizing point of system is sweet-water tank.
Conventional coke dry quenching boiler water supply system includes sweet-water tank, deaerator feed water pump, deaerator recirculatingpump, secondary province
The equipment such as coal device, water-water heat exchanger, oxygen-eliminating device, boiler feed pump.
Utility model content
The purpose of this utility model is to provide a kind of feed water system of boiler for the air-cooled condensing power generation of dry coke quenching.In system
In, the steam discharge of steam turbine is by air cooling to 15kPa is not less than, and condensing water temperature is not less than 54 DEG C, through condensate pump by steamer
Condensing water temperature is heated to being not less than 60 DEG C by the gland heater of machine, and is fed directly to secondary economizer, and heating water supply is simultaneously
Reduce recyclegas temperature.Water after heating enters oxygen-eliminating device deoxygenation, and deaerated water is pumped to coke dry quenching boiler by boiler feedwater and produced
Raw steam.A part of deaerated water is sent by deaerator recirculatingpump to water-water heat exchanger water inlet simultaneously, in the boiler startup stage
Or deaerator recirculatingpump incorporation hot water is opened when entering the water temperature of secondary economizer less than 60 DEG C and improves water temperature.The moisturizing point of system is
Oxygen-eliminating device.
Present invention eliminates equipment such as sweet-water tank, deaerator feed water pump, water-water heat exchangers in conventional system,
Under conditions of ensureing coke dry quenching boiler water supply system normal operation, system is simplified, equipment investment is reduced, reduces system resistance
Power and power consumption.
The purpose of the present invention is be achieved through the following technical solutions：A kind of coke dry quenching boiler waterworks, it is characterized in that：Extremely
Few includes secondary economizer, oxygen-eliminating device, deaerator storage tank, boiler feed pump, deaerator recirculatingpump, the condensed water in air cooling tubes condenser
By the water inlet piping connection of condensate line and secondary economizer, the water outlet of secondary economizer by oxygen-eliminating device inlet pipeline with
Oxygen-eliminating device connects, and deaerator storage tank passes through deaerated water piping connection coke dry quenching boiler.
Deaerated water piping connection water pump is to carry out shunting water supply by a triple valve, is passed through after the shunting of triple valve another way
Deaerator recirculatingpump and startup heating pipe road are sent to the water inlet of secondary economizer.
Oxygen-eliminating device is connect by oxygen-eliminating device water pipe with system water supplement.
Oxygen-eliminating device 2 heats steam pipework by oxygen-eliminating device and is connect with heating steam.
The secondary economizer 1 is the heating surface of steel pipe or cast iron pipe composition.
The effect of the utility model is：Air-cooled condensed water is fed directly to secondary economizer, eliminates sweet-water tank, oxygen-eliminating device
Feed pump, water-water heat exchanger simplify system, reduce under conditions of ensureing coke dry quenching boiler water supply system normal operation
Equipment investment reduces system resistance and power consumption.
Description of the drawings
With reference to embodiment attached drawing, the utility model is described in further detail：
Fig. 1 is a kind of coke dry quenching boiler waterworks structural schematic diagram of this utility model embodiment.
In figure：1, secondary economizer, 2, oxygen-eliminating device, 3, deaerator storage tank, 4, boiler feed pump, 5, deaerator recirculatingpump, 6,
Condensate line, 7, oxygen-eliminating device inlet pipeline, 8, deoxygenation water lines, 9, start heating pipe road, 10, oxygen-eliminating device water pipe,
11, oxygen-eliminating device heats steam pipework.
Specific implementation mode
As shown in Figure 1, a kind of coke dry quenching boiler waterworks, it is characterized in that：By secondary economizer 1, oxygen-eliminating device 2, oxygen-eliminating device
Water tank 3, boiler feed pump 4, deaerator recirculatingpump 5, the condensed water in air cooling tubes condenser pass through condensate line 6 and secondary economizer
Condensed water in air cooling tubes condenser, is sent to the water inlet of secondary economizer 1 by 1 water inlet piping connection by condensate line 6；
The water outlet of secondary economizer 1 is connect by oxygen-eliminating device inlet pipeline 7 with oxygen-eliminating device 2, the oxygen-eliminating device water connected to 2 lower end of oxygen-eliminating device
Case 3 provides water supply and stores；Deaerator storage tank 3 connects coke dry quenching boiler by deoxygenation water lines 8, by removing for deaerator storage tank 3
Oxygen water is sent by boiler feed pump 4 to coke dry quenching boiler；Deoxygenation water lines 8, which connect water pump 4, is divided by a triple valve
Water distribution manifold, after the shunting of triple valve another way by deaerator recirculatingpump 5 and start heating pipe road 9 send to secondary economizer 1 into
At the mouth of a river.
Oxygen-eliminating device 2 is connect by oxygen-eliminating device water pipe 10 with system water supplement.
Oxygen-eliminating device 2 heats steam pipework 11 by oxygen-eliminating device and is connect with heating steam.
The secondary economizer 1 is the heating surface of steel pipe or cast iron pipe composition.
Oxygen-eliminating device 2 is using from external steam, and heating removes water so as to reach saturation state from external water supply
The equipment of middle oxygen and other gases.
Deaerator storage tank 3 is storage deoxygenated water, and balance boiler feed pump 4 is to the water supply of coke dry quenching boiler and from outside
Confluent difference.
Boiler feed pump 4 is the equipment for supplying water to coke dry quenching boiler.
Pair economizer 1 described in the utility model is the heating surface of steel pipe or cast iron pipe composition.By from coke dry quenching furnace
The equipment that the recyclegas of heat generates hot water with water heat exchange.Oxygen-eliminating device 2 is to be heated using from external steam so as to come from
The equipment that the water supply of secondary economizer 1 reaches saturation state removing water oxygen and prevents the generation oxygen corrosion of subsequent thermal face.Deoxygenation
Device water tank 3 is the deoxygenated water for storing oxygen-eliminating device 2 and generating, and is both supplied water to coke dry quenching boiler further through deoxygenation by boiler feed pump 4
Device circulating pump 5 supplies water to secondary economizer 1.Boiler feed pump 4 is the equipment for supplying water to coke dry quenching boiler.Deaerator recirculatingpump
5 be the equipment sent a part of oxygen-eliminating device to secondary economizer to improve secondary economizer inflow temperature.
Claims (5)
1. a kind of coke dry quenching boiler waterworks, it is characterized in that：Including at least secondary economizer (1), oxygen-eliminating device (2), oxygen-eliminating device water
Case (3), boiler feed pump (4), deaerator recirculatingpump (5), the condensed water in air cooling tubes condenser pass through condensate line (6) with it is secondary
The water outlet of the water inlet piping connection of economizer (1), secondary economizer (1) passes through oxygen-eliminating device inlet pipeline (7) and oxygen-eliminating device (2)
Connection, deaerator storage tank (3) connect coke dry quenching boiler by deoxygenation water lines (8).
2. a kind of coke dry quenching boiler waterworks according to claim 1, it is characterized in that：The deoxygenation water lines (8)
Connection boiler feed pump (4) is to carry out shunting water supply by a triple valve, is followed by oxygen-eliminating device after the shunting of triple valve another way
Ring pumps (5) and starts heating pipe road (9) and send to the water inlet of secondary economizer (1).
3. a kind of coke dry quenching boiler waterworks according to claim 1, it is characterized in that：The oxygen-eliminating device（2）By removing
Oxygen device water pipe（10）It is connect with system water supplement.
4. a kind of coke dry quenching boiler waterworks according to claim 1, it is characterized in that：The oxygen-eliminating device（2）By removing
Oxygen device heats steam pipework（11）It is connect with heating steam.
5. a kind of coke dry quenching boiler waterworks according to claim 1, it is characterized in that：The secondary economizer（1）It is
The heating surface of steel pipe or cast iron pipe composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710203.5U CN207661753U (en) | 2017-12-11 | 2017-12-11 | A kind of coke dry quenching boiler waterworks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710203.5U CN207661753U (en) | 2017-12-11 | 2017-12-11 | A kind of coke dry quenching boiler waterworks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661753U true CN207661753U (en) | 2018-07-27 |
Family
ID=62939978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721710203.5U Expired - Fee Related CN207661753U (en) | 2017-12-11 | 2017-12-11 | A kind of coke dry quenching boiler waterworks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120993A (en) * | 2018-10-31 | 2020-05-08 | 上海东冠纸业有限公司 | Water supply backflow system of deaerator |
| CN113461221A (en) * | 2021-07-28 | 2021-10-01 | 丰城市天壕新能源有限公司 | Intelligent dosing system for dry quenching waste heat power generation |
-
2017
- 2017-12-11 CN CN201721710203.5U patent/CN207661753U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120993A (en) * | 2018-10-31 | 2020-05-08 | 上海东冠纸业有限公司 | Water supply backflow system of deaerator |
| CN113461221A (en) * | 2021-07-28 | 2021-10-01 | 丰城市天壕新能源有限公司 | Intelligent dosing system for dry quenching waste heat power generation |
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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: 20180727 Termination date: 20201211 |