CN113865365A - Waste heat recovery system of titanium factory - Google Patents
Waste heat recovery system of titanium factory Download PDFInfo
- Publication number
- CN113865365A CN113865365A CN202111246925.0A CN202111246925A CN113865365A CN 113865365 A CN113865365 A CN 113865365A CN 202111246925 A CN202111246925 A CN 202111246925A CN 113865365 A CN113865365 A CN 113865365A
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- waste heat
- heat recovery
- steam
- recovery boiler
- intercommunication
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- 238000011084 recovery Methods 0.000 title claims abstract description 73
- 239000002918 waste heat Substances 0.000 title claims abstract description 72
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000010936 titanium Substances 0.000 title claims abstract description 17
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000007789 gas Substances 0.000 claims abstract description 28
- 230000008676 import Effects 0.000 claims abstract description 10
- 239000008399 tap water Substances 0.000 claims description 12
- 235000020679 tap water Nutrition 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000000428 dust Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a waste heat recovery system of a titanium factory, belongs to the technical field of metal dust collectors, and aims to solve the problems of high production cost of enterprises, insufficient energy conservation and environmental protection caused by the fact that heat of hot gas discharged in the production process of an electric furnace of the existing titanium factory is not effectively recycled. It includes the steam pipe network, a plurality of groups electric stove, one-level waste heat recovery boiler, second grade waste heat recovery boiler, electric stove and steam pipe network intercommunication, the air exhauster that is used for taking out steam is all installed to the electric stove, the first steam outlet of electric stove and one-level waste heat recovery boiler's first steam import intercommunication, one-level waste heat recovery boiler intercommunication has the comdenstion water inlet tube, one-level waste heat recovery boiler's steam outlet and steam pipe network intercommunication, one-level waste heat recovery boiler's second steam outlet and second waste heat recovery boiler's second steam import intercommunication, second grade waste heat recovery boiler intercommunication has the running water inlet tube, second grade waste heat recovery boiler intercommunication has the hot water outlet pipe. The invention is suitable for recovering the waste heat of the titanium factory.
Description
Technical Field
The invention belongs to the technical field of metal dust collectors, and particularly relates to a waste heat recovery system of a titanium factory.
Background
The heat treatment furnace commonly used in titanium factories is an electric furnace for heating the charge for heat treatment, and commonly used are a box-type resistance furnace, a pit-type resistance furnace and the like. In the production process of current titanium factory, heat treatment furnace can produce a large amount of heats in the use, and steam in the electric stove can be taken out through the air exhauster to in production normally goes on, the steam temperature of taking out is up to 300 ℃, has very high heat, but current production system does not carry out effectual heat recovery to this part steam and utilizes, this not only greatly increased the manufacturing cost of enterprise, also lead to the waste of a large amount of heat resources simultaneously, energy-concerving and environment-protective inadequately.
Disclosure of Invention
The invention aims to: the utility model provides a titanium factory waste heat recovery system, solves the hot gas heat that discharges in the electric stove production process of current titanium factory and does not have effective recycle, causes the manufacturing cost height of enterprise, problem not enough energy-concerving and environment-protective.
The technical scheme adopted by the invention is as follows:
the utility model provides a titanium factory waste heat recovery system, includes steam pipe network, a plurality of groups electric stove, one-level waste heat recovery boiler, second grade waste heat recovery boiler, electric stove and steam pipe network intercommunication, the air exhauster that is used for taking steam out is all installed to the electric stove, the first steam export of electric stove and one-level waste heat recovery boiler's first steam import intercommunication, one-level waste heat recovery boiler intercommunication has the comdenstion water inlet tube, one-level waste heat recovery boiler's steam outlet and steam pipe network intercommunication, one-level waste heat recovery boiler's second steam export and second grade waste heat recovery boiler's second steam import intercommunication, second grade waste heat recovery boiler intercommunication has the running water inlet tube, second grade waste heat recovery boiler intercommunication has the hot water outlet pipe.
Further, the temperature of hot gas at the first hot gas outlet is 300 ℃, the temperature of the second hot gas outlet is 190 ℃, the temperature of saturated steam at the steam outlet is 158 ℃, the temperature of condensed water input by the condensed water inlet pipe is 80 ℃, the temperature of tap water input by the tap water inlet pipe is 15 ℃, and the temperature of hot water output by the hot water outlet pipe is 40-50 ℃.
Further, the hot air flow rate of the first hot air outlet is 4000m3/h。
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the electric furnace is communicated with the steam pipe network, the electric furnaces are respectively provided with an exhaust fan for exhausting hot gas, a first hot gas outlet of the electric furnace is communicated with a first hot gas inlet of the first waste heat recovery boiler, the first waste heat recovery boiler is communicated with a condensed water inlet pipe, a steam outlet of the first waste heat recovery boiler is communicated with the steam pipe network, a second hot gas outlet of the first waste heat recovery boiler is communicated with a second hot gas inlet of the second waste heat recovery boiler, the second waste heat recovery boiler is communicated with a tap water inlet pipe, and the second waste heat recovery boiler is communicated with a hot water outlet pipe.
Through the setting, the one-level waste heat recovery boiler retrieves electric stove exhaust 300 ℃ steam, the 80 ℃ comdenstion water that produces in the cooperation addition production process makes 158 ℃ saturated steam, incorporate saturated steam into the steam pipe network and recycle, secondary waste heat recovery is carried out with the steam after the waste heat recovery to secondary waste heat recovery boiler simultaneously, cooperation 15 ℃ running water makes 40-50 ℃ hot water, can be used to staff's bath water, clean water, thereby synthesize heat recovery with electric stove exhaust steam and utilize, whole system's heat utilization efficiency has been improved greatly, not only practice thrift the manufacturing cost of enterprise greatly, simultaneously also more energy-concerving and environment-protective, effectively solved current titanium factory electric stove production in-process exhaust heat supply volume and do not have effective recycle, cause the manufacturing cost height of enterprise, problem not enough energy-concerving and environment-protective.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a schematic diagram of the system of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: reference numerals and letters designate similar items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when in use, and are simply used for simplifying the description of the present invention, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; mechanical connection or electrical connection can be realized; the two original pieces can be directly connected or indirectly connected through an intermediate medium, or the two original pieces can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a titanium factory waste heat recovery system, includes steam pipe network, a plurality of groups electric stove, one-level waste heat recovery boiler, second grade waste heat recovery boiler, electric stove and steam pipe network intercommunication, the air exhauster that is used for taking steam out is all installed to the electric stove, the first steam export of electric stove and one-level waste heat recovery boiler's first steam import intercommunication, one-level waste heat recovery boiler intercommunication has the comdenstion water inlet tube, one-level waste heat recovery boiler's steam outlet and steam pipe network intercommunication, one-level waste heat recovery boiler's second steam export and second grade waste heat recovery boiler's second steam import intercommunication, second grade waste heat recovery boiler intercommunication has the running water inlet tube, second grade waste heat recovery boiler intercommunication has the hot water outlet pipe.
Further, the temperature of hot gas at the first hot gas outlet is 300 ℃, the temperature of the second hot gas outlet is 190 ℃, the temperature of saturated steam at the steam outlet is 158 ℃, the temperature of condensed water input by the condensed water inlet pipe is 80 ℃, the temperature of tap water input by the tap water inlet pipe is 15 ℃, and the temperature of hot water output by the hot water outlet pipe is 40-50 ℃.
Further, the hot air flow rate of the first hot air outlet is 4000m3/h。
In the implementation process of the invention, the primary waste heat recovery boiler recovers 300 ℃ hot gas discharged by the electric furnace, and is matched with 80 ℃ condensed water generated in the production process to prepare 158 ℃ saturated steam, the saturated steam is merged into the steam pipe network for recycling, meanwhile, the secondary waste heat recovery boiler performs secondary waste heat recovery on the hot gas after primary waste heat recovery, and is matched with 15 ℃ tap water to prepare 40-The hot water of 50 ℃ can be used for bath water and cleaning water of workers, so that hot gas discharged by the electric furnace is comprehensively and thermally recycled, the heat utilization efficiency of the whole system is greatly improved, the production cost of an enterprise is greatly saved, energy is saved and the environment is protected, and the problems that the heat of the hot gas discharged in the production process of the electric furnace of the existing titanium factory is not effectively recycled, the production cost of the enterprise is high, and energy is not saved and the environment is protected are effectively solved. The hot air temperature of the first hot air outlet is 300 ℃, the temperature of the second hot air outlet is 190 ℃, the saturated steam temperature of the steam outlet is 158 ℃, the temperature of condensed water input by the condensed water inlet pipe is 80 ℃, the temperature of tap water input by the tap water inlet pipe is 15 ℃, and the temperature of hot water output by the hot water outlet pipe is 40-50 ℃. The hot air flow rate of the first hot air outlet is 4000m3/h。
Example 1
The utility model provides a titanium factory waste heat recovery system, includes steam pipe network, a plurality of groups electric stove, one-level waste heat recovery boiler, second grade waste heat recovery boiler, electric stove and steam pipe network intercommunication, the air exhauster that is used for taking steam out is all installed to the electric stove, the first steam export of electric stove and one-level waste heat recovery boiler's first steam import intercommunication, one-level waste heat recovery boiler intercommunication has the comdenstion water inlet tube, one-level waste heat recovery boiler's steam outlet and steam pipe network intercommunication, one-level waste heat recovery boiler's second steam export and second grade waste heat recovery boiler's second steam import intercommunication, second grade waste heat recovery boiler intercommunication has the running water inlet tube, second grade waste heat recovery boiler intercommunication has the hot water outlet pipe.
Example 2
On the basis of embodiment 1, the temperature of the hot gas at the first hot gas outlet is 300 ℃, the temperature of the second hot gas outlet is 190 ℃, the temperature of the saturated steam at the steam outlet is 158 ℃, the temperature of the condensed water input by the condensed water inlet pipe is 80 ℃, the temperature of the tap water input by the tap water inlet pipe is 15 ℃, and the temperature of the hot water output by the hot water outlet pipe is 40-50 ℃.
Example 3
On the basis of the above embodiment, the hot gas flow rate of the first hot gas outlet is 4000m3/h。
The above description is an embodiment of the present invention. The foregoing is a preferred embodiment of the present invention, and the preferred embodiments in the preferred embodiments can be combined and used in any combination if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the embodiments and examples are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the patent protection scope of the present invention, which is subject to the claims and all the equivalent structural changes made by the content of the description and the drawings of the present invention are also included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a titanium factory waste heat recovery system, its characterized in that, includes steam pipe network, a plurality of groups electric stove, one-level waste heat recovery boiler, second grade waste heat recovery boiler, electric stove and steam pipe network intercommunication, the air exhauster that is used for taking steam out is all installed to the electric stove, the first steam export of electric stove and one-level waste heat recovery boiler's first steam import intercommunication, one-level waste heat recovery boiler intercommunication has the comdenstion water inlet tube, one-level waste heat recovery boiler's steam outlet and steam pipe network intercommunication, one-level waste heat recovery boiler's second steam export and second grade waste heat recovery boiler's second steam import intercommunication, second grade waste heat recovery boiler intercommunication has the running water inlet tube, second grade waste heat recovery boiler intercommunication has the hot water outlet pipe.
2. The waste heat recovery system of claim 1, wherein the temperature of the hot gas at the first hot gas outlet is 300 ℃, the temperature of the hot gas at the second hot gas outlet is 190 ℃, the temperature of the saturated steam at the steam outlet is 158 ℃, the temperature of the condensed water input by the condensed water inlet pipe is 80 ℃, the temperature of the tap water input by the tap water inlet pipe is 15 ℃, and the temperature of the hot water output by the hot water outlet pipe is 40-50 ℃.
3. The waste heat recovery system of titanium factory according to claim 1, wherein the hot gas flow rate of said first hot gas outlet is 4000m3/h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246925.0A CN113865365A (en) | 2021-10-26 | 2021-10-26 | Waste heat recovery system of titanium factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246925.0A CN113865365A (en) | 2021-10-26 | 2021-10-26 | Waste heat recovery system of titanium factory |
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| Publication Number | Publication Date |
|---|---|
| CN113865365A true CN113865365A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111246925.0A Pending CN113865365A (en) | 2021-10-26 | 2021-10-26 | Waste heat recovery system of titanium factory |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445461A (en) * | 1982-06-14 | 1984-05-01 | Allis-Chalmers Corporation | Waste heat recovery method and apparatus |
| CN102199453A (en) * | 2011-04-01 | 2011-09-28 | 青岛科技大学 | Improved Lurgi gasification furnace waste heat recovering method and device |
| CN102537918A (en) * | 2012-02-16 | 2012-07-04 | 泸州品创科技有限公司 | Waste heat recovery device for smoke pipe of steam boiler and method |
| CN103196300A (en) * | 2013-04-23 | 2013-07-10 | 吴鋆 | Method for utilizing waste heat of smelting flue gas |
| CN105570918A (en) * | 2016-01-19 | 2016-05-11 | 安徽富强竹业有限公司 | Energy-saving boiler |
| CN109578974A (en) * | 2018-12-12 | 2019-04-05 | 北京高能时代环境技术股份有限公司 | A kind of boiler waste heat recovery system and energy-saving boiler system |
| CN215984027U (en) * | 2021-10-26 | 2022-03-08 | 四川恩特普环保科技有限公司 | Waste heat recovery system of titanium factory |
-
2021
- 2021-10-26 CN CN202111246925.0A patent/CN113865365A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445461A (en) * | 1982-06-14 | 1984-05-01 | Allis-Chalmers Corporation | Waste heat recovery method and apparatus |
| CN102199453A (en) * | 2011-04-01 | 2011-09-28 | 青岛科技大学 | Improved Lurgi gasification furnace waste heat recovering method and device |
| CN102537918A (en) * | 2012-02-16 | 2012-07-04 | 泸州品创科技有限公司 | Waste heat recovery device for smoke pipe of steam boiler and method |
| CN103196300A (en) * | 2013-04-23 | 2013-07-10 | 吴鋆 | Method for utilizing waste heat of smelting flue gas |
| CN105570918A (en) * | 2016-01-19 | 2016-05-11 | 安徽富强竹业有限公司 | Energy-saving boiler |
| CN109578974A (en) * | 2018-12-12 | 2019-04-05 | 北京高能时代环境技术股份有限公司 | A kind of boiler waste heat recovery system and energy-saving boiler system |
| CN215984027U (en) * | 2021-10-26 | 2022-03-08 | 四川恩特普环保科技有限公司 | Waste heat recovery system of titanium factory |
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