CN220669436U - Sintering waste heat power generation and water supplementing system - Google Patents
Sintering waste heat power generation and water supplementing system Download PDFInfo
- Publication number
- CN220669436U CN220669436U CN202322347147.5U CN202322347147U CN220669436U CN 220669436 U CN220669436 U CN 220669436U CN 202322347147 U CN202322347147 U CN 202322347147U CN 220669436 U CN220669436 U CN 220669436U
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- China
- Prior art keywords
- water
- waste heat
- pump
- condenser
- sintering
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 239000002918 waste heat Substances 0.000 title claims abstract description 41
- 238000005245 sintering Methods 0.000 title claims abstract description 39
- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 230000001502 supplementing effect Effects 0.000 title abstract description 18
- 238000011033 desalting Methods 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model relates to a sintering waste heat power generation and water supplementing system, which comprises a turbine, a generator, a condenser, a sintering circular cooler waste heat boiler, a salt removal water tank, a condensate pump and a salt removal water pump, wherein the turbine is connected with the generator and the condenser, the condenser is connected with a water inlet of the condensate pump, a water outlet of the condensate pump is connected with the sintering circular cooler waste heat boiler, the sintering circular cooler waste heat boiler is connected with the turbine, the salt removal water tank is respectively connected with the condensate pump and the water inlet of the salt removal water pump, and a water outlet of the salt removal water pump is connected with a hot well of the condenser. The utility model uses the condensate pump to supplement water for the waste heat boiler of the sintering circular cooler. The waste heat boiler is not provided with a starting water pump independently. The equipment cost is saved, the system is simple, and the use is convenient; the occupied area is small; low running cost and convenient operation.
Description
Technical Field
The utility model relates to the technical field of sintering waste heat power generation, in particular to a sintering waste heat power generation water supplementing system.
Background
In most engineering examples at present, the sintering waste heat power generation thermodynamic system comprises a ring cooler waste heat boiler for recovering waste heat of the ring cooler and a turbine generator set for doing work by utilizing steam produced by the boiler, and exhaust steam after doing work is cooled by a condenser and then is sent into the waste heat boiler through a condensate pump. The water replenishing system of the thermodynamic system is generally considered in two working conditions, namely, starting or accident water replenishing and normal operation water replenishing.
When the boiler is started or the steam turbine fails, the water supplementing amount of the boiler is required to be relatively large, and the water pump is started to supplement water to the boiler through high flow and high lift. During normal operation, the thermodynamic system has smaller pollution discharge loss, the condenser is kept in a vacuum state, and the condenser is supplemented with water by the low-flow and low-lift water supplementing pump. The water replenishing pumps of the original water replenishing system are various in types and quantity, and the water replenishing system is complex in pipeline and high in cost.
The prior patent CN104213952A relates to a turbine waste heat power generation device, in particular to a waste heat power generation device. The device comprises a waste heat boiler, an AQC boiler, a steam turbine, a generator, a cooling tower, a condenser, a cold-pressing water supply pump, a high-pressure water supply pump and an oxygen removal device, wherein the waste heat boiler and the AQC boiler are connected with the steam turbine, the steam turbine is connected with the AQC boiler, the generator and the condenser, the condenser is respectively connected with the cooling tower, the cold-pressing water supply pump, the high-pressure water supply pump and the oxygen removal device, the oxygen removal device is connected with the cold-pressing water supply pump, and the cold-pressing water supply pump and the high-pressure water supply pump are connected with the AQC boiler. The device includes exhaust-heat boiler, AQC boiler, and the AQC boiler is equipped with the start-up pump alone, and the moisturizing needs to pass through the condenser, and system structure is complicated.
Disclosure of Invention
The utility model aims to solve the technical problems of various types and numbers of water replenishing pumps of the conventional sintering waste heat power generation water replenishing system and complex pipelines of the water replenishing system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sintering waste heat electricity generation moisturizing system, includes steam turbine, generator, condenser, sintering ring cooler exhaust-heat boiler, demineralized water tank, condensate pump, demineralized water pump, and the steam turbine links to each other with generator, condenser, and the condenser is connected with the water inlet of condensate pump, and the delivery port of condensate pump links to each other with sintering ring cooler exhaust-heat boiler, and sintering ring cooler exhaust-heat boiler links to each other with the steam turbine, and the demineralized water tank is connected with condensate pump, demineralized water pump's water inlet respectively, and the delivery port of demineralized water pump is connected with the hot well of condenser.
As a further scheme of the utility model, a condensation water valve is arranged on a pipeline between the condenser and the water inlet of the condensation water pump.
As a further scheme of the utility model, a condenser water supplementing valve is arranged on a pipeline between the water outlet of the desalting water pump and the hot well of the condenser.
As a further scheme of the utility model, a boiler water supplementing valve is arranged on a pipeline of the desalting water tank and a water inlet of the condensate pump.
As a further scheme of the utility model, the condensate pump and the demineralized water pump are all connected in parallel.
As a further scheme of the utility model, the condensate pump adopts a variable-frequency water pump.
As a further scheme of the utility model, the demineralized water tank is connected with a demineralized water pipe network in a factory.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model uses the condensate pump to supplement water for the waste heat boiler of the sintering circular cooler. The waste heat boiler is not provided with a starting water pump independently. The condensate pump adopts a variable-frequency water pump, so that the water supplementing flow during starting is met.
The equipment cost is saved, the system is simple, and the use is convenient; the occupied area is small; low running cost and convenient operation. And the water supplementing system is integrated, so that energy waste is avoided, and the water supplementing system is more optimized. The waste heat resource is more reasonably utilized, and the economic benefit is increased.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: the device comprises a steam turbine 1, a generator 2, a condenser 3, a demineralized water tank 4, a sintering circular cooler waste heat boiler 5, a condensate pump 6, a demineralized water pump 7, a boiler water supplementing valve 8, a condenser water supplementing valve 9, a condensate valve 10, a factory demineralized water pipe network 11 and a thermal well 12.
Detailed Description
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, the sintering waste heat power generation and water supplementing system comprises a steam turbine 1, a generator 2, a condenser 3, a sintering circular cooler waste heat boiler 5, a demineralized water tank 4, a condensate pump 6 and a demineralized water pump 7, wherein the steam turbine 1 is connected with the generator 2 and the condenser 3, the condenser 3 is connected with a water inlet of the condensate pump 6, a water outlet of the condensate pump 6 is connected with the sintering circular cooler waste heat boiler 5, the condensate pump 6 adopts a variable frequency water pump, and the sintering circular cooler waste heat boiler 5 is connected with the steam turbine 1.
The desalination water tank 4 is connected with the condensate pump 6 respectively, the water inlet of demineralized water pump 7, the delivery port of demineralized water pump 7 is connected with the hot well 12 of condenser 3, be equipped with condensation valve 10 on the pipeline between condenser and the water inlet of condensate pump 6, be equipped with condenser moisturizing valve 9 on the pipeline between the delivery port of demineralized water pump 7 and the hot well 12 of condenser 3, be equipped with boiler moisturizing valve 8 on the pipeline of demineralized water tank 4 and the water inlet of condensate pump 6. The desalting water tank 4 is connected with a factory desalting water pipe network 11.
The condensate pump 6 and the desalting water pump 7 are all connected in parallel.
The water replenishing method of the sintering waste heat power generation water replenishing system comprises the steps of closing a condensation water valve 10, opening a boiler water replenishing valve 8 when a sintering circular cooler waste heat boiler is put into operation in an initial stage, feeding desalted water to the sintering circular cooler waste heat boiler 5 through the condensation water pump 6, starting water replenishing for the sintering circular cooler waste heat boiler 5, opening the condensation water valve 10 after a sintering circular cooler waste heat boiler turbine operates, closing the boiler water replenishing valve 8, starting a desalting water pump 7, and adjusting the water level of a hot well 12 of a condenser 3 through the condenser water replenishing valve 9.
In order to make the purposes, technical schemes and technical effects of the utility model clearer, the technical schemes in the embodiments of the utility model are clearly and completely described. The embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without the benefit of the teachings of this utility model, are intended to be within the scope of the utility model.
Examples
The utility model provides a sintering waste heat electricity generation moisturizing system, includes steam turbine 1, generator 2, condenser 3, sintering circular cooler exhaust-heat boiler 5, demineralized water case 4, condensate pump 6, demineralized water pump 7, steam turbine 1 links to each other with generator 2, condenser 3 is connected with condensate pump 6's water inlet, condensate pump 6's delivery port links to each other with sintering circular cooler exhaust-heat boiler 5, condensate pump 6 adopts the variable frequency water pump, sintering circular cooler exhaust-heat boiler 5 links to each other with steam turbine 1.
The desalting water tank 4 is respectively connected with the water inlets of the condensate pump 6 and the desalting water pump 7, the water outlet of the desalting water pump 7 is connected with the hot well 12 of the condenser 3, and the condensate pump 6 and the desalting water pump 7 are all connected in parallel.
A condensation water valve 10 is arranged on a pipeline between the condenser and the water inlet of the condensation water pump 6, a condenser water supplementing valve 9 is arranged on a pipeline between the water outlet of the demineralized water pump 7 and the hot well 12 of the condenser 3, and a boiler water supplementing valve 8 is arranged on a pipeline between the demineralized water tank 4 and the water inlet of the condensation water pump 6. The desalting water tank 4 is connected with a factory desalting water pipe network 11. The condensing water valve 10, the condenser water supplementing valve 9 and the boiler water supplementing valve 8 are all electric valves, can realize automatic switching in a main control room,
although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a sintering waste heat electricity generation moisturizing system, including steam turbine, generator, condenser, sintering circular cooler exhaust-heat boiler, the demineralized water tank, the condensate pump, the demineralized water pump, its characterized in that, the steam turbine links to each other with generator, the condenser is connected with the water inlet of condensate pump, the delivery port of condensate pump links to each other with sintering circular cooler exhaust-heat boiler, sintering circular cooler exhaust-heat boiler links to each other with the steam turbine, the demineralized water tank is connected with condensate pump, the water inlet of demineralized water pump respectively, the delivery port of demineralized water pump is connected with the hot well of condenser.
2. The sintering waste heat power generation and water replenishing system according to claim 1, wherein a water condensation valve is arranged on a pipeline between the condenser and the water inlet of the condensate pump.
3. The sintering waste heat power generation and water replenishing system according to claim 1, wherein a condenser water replenishing valve is arranged on a pipeline between a water outlet of the desalting water pump and a hot well of the condenser.
4. The sintering waste heat power generation and water replenishing system according to claim 1, wherein a boiler water replenishing valve is arranged on a pipeline of the desalting water tank and a water inlet of the condensate pump.
5. The sintering waste heat power generation and water replenishing system according to claim 1, wherein the condensate pump and the demineralized water pump are all connected in parallel.
6. The sintering waste heat power generation and water replenishing system according to claim 1, wherein the condensate pump is a variable-frequency water pump.
7. The sintering waste heat power generation and water replenishing system according to claim 1, wherein the demineralized water tank is connected with a demineralized water pipe network in a factory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322347147.5U CN220669436U (en) | 2023-08-30 | 2023-08-30 | Sintering waste heat power generation and water supplementing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322347147.5U CN220669436U (en) | 2023-08-30 | 2023-08-30 | Sintering waste heat power generation and water supplementing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220669436U true CN220669436U (en) | 2024-03-26 |
Family
ID=90334595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322347147.5U Active CN220669436U (en) | 2023-08-30 | 2023-08-30 | Sintering waste heat power generation and water supplementing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220669436U (en) |
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2023
- 2023-08-30 CN CN202322347147.5U patent/CN220669436U/en active Active
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