CN109682243B - Steam heat accumulator - Google Patents
Steam heat accumulator Download PDFInfo
- Publication number
- CN109682243B CN109682243B CN201910077749.9A CN201910077749A CN109682243B CN 109682243 B CN109682243 B CN 109682243B CN 201910077749 A CN201910077749 A CN 201910077749A CN 109682243 B CN109682243 B CN 109682243B
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- China
- Prior art keywords
- evaporation
- steam
- lifting rod
- heat accumulator
- hydraulic lifting
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/028—Control arrangements therefor
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention belongs to the field of industrial boilers, and particularly relates to a steam heat accumulator which comprises a tank body, an evaporation disc, a liquid level sensor and a controller.
Description
Technical Field
The invention belongs to the field of industrial boilers, and particularly relates to a steam heat accumulator.
Background
A heat accumulator is a device that stores excess heat in an industrial boiler steam supply system and releases the stored heat when needed. The heat accumulator has two types of pressure-variable type and constant-pressure type, the working pressure of the pressure-variable type heat accumulator changes along with the increase and decrease of the heat storage amount, and the most typical heat accumulator is a steam heat accumulator. The prior art includes a steam heat accumulator and a fixing method of an insulating layer thereof (refer to CN 102261645B) of a patent product of dachou iron and steel group llc of the state of the tetrachioda, a system of an auxiliary steam generator for a power plant (refer to CN 104302975B) of a patent product of siemens, a device and a method for heat transfer and exchange of a patent product of blue ray science and technology limited (refer to CN 103890322B), a real-time response steam generation system (refer to CN 101680651B) of a patent product of abro innovative company, and a steam heat accumulator (refer to CN 204853437U) of a patent product of tribute eastern thermoelectricity matched company.
Disclosure of Invention
The invention provides a steam heat accumulator which dynamically adjusts a heat accumulation structure and/or heat accumulation capacity based on big data.
A steam heat accumulator comprises a tank body, a steam inlet, a steam outlet, a first valve and a second valve, wherein the steam inlet and the steam outlet are respectively arranged at the left part and the upper part of the tank body;
the heat storage regulating part comprises a hydraulic lifting rod, a plurality of layers of evaporation trays and a controller, wherein,
the hydraulic lifting rod is used for driving the evaporation tray to ascend or descend, one end of the hydraulic lifting rod is fixedly connected with the bottom of the evaporation tray at the lowest part, and the other end of the hydraulic lifting rod is fixedly connected with the bottom of the tank body;
the evaporation pan is used for increasing the surface area of the liquid level of saturated water in the steam heat accumulator, and is a shallow pan-shaped container formed by inwards stamping a thin steel plate, a plurality of evaporation pans are overlapped in an area increasing manner from top to bottom, the diameter of the evaporation pan at the lowest part is smaller than that of the tank body, and a liquid level sensor used for measuring the height of the liquid level in each evaporation pan is further arranged in each evaporation pan;
the controller is in signal connection with the hydraulic lifter, the first valve, the second valve, and the respective level sensors, and is configured to:
the first valve is controlled to be closed and the second valve is controlled to be opened at the first moment, meanwhile, the hydraulic lifting rod is controlled to drive all the evaporation discs to fall below the liquid level of the water body in the heat accumulator, so that the saturated water in the heat accumulator is filled into each evaporation disc, and then the hydraulic lifting rod is controlled to rise upwards to enable all the evaporation discs to leave the water body, so that the total surface area of the saturated water in the heat accumulator is increased, the evaporation rate of the saturated water is accelerated, and the generation speed of steam is accelerated; when the saturated water on the evaporation tray is evaporated to a set liquid level, controlling the hydraulic lifting rod to drive the evaporation tray to descend for water filling, and circulating in this way;
the first time point is a time point which is located before the second time point and is separated from the second time point by a preset time period;
the second moment is the middle moment of each section of one or more time sections with steam consumption larger than a threshold value according to historical statistics;
the preset time period is in direct proportion to the difference between the real-time steam consumption and the threshold value, namely, the larger the steam consumption exceeds the threshold value, the longer the preset time period is set, and the earlier the evaporation disc is involved to carry out auxiliary evaporation.
The invention has the beneficial effects that: the steam production of the steam heat accumulator is increased in a short time, the working pressure of the boiler is reduced, and the required steam consumption is stably output.
Drawings
Fig. 1 shows a schematic diagram of the structure of a steam heat accumulator.
Detailed Description
The structure of the present system and the functions performed are described in detail below with reference to the accompanying drawings.
A steam heat accumulator comprises a tank body, a steam inlet, a steam outlet, a first valve 11 and a second valve 12, wherein the steam inlet and the steam outlet are respectively arranged at the left part and the upper part of the tank body;
the heat storage regulating portion includes a hydraulic lift lever 21, an evaporation pan 22 stacked in multiple layers, and a controller, wherein,
the hydraulic lifting rod 21 is used for driving the evaporation tray 22 to ascend or descend, one end of the hydraulic lifting rod is fixedly connected with the bottom of the lowermost evaporation tray, and the other end of the hydraulic lifting rod is fixedly connected with the bottom of the tank body;
the evaporation pan 22 is used for increasing the surface area of the liquid level of saturated water in the steam heat accumulator, and is a shallow pan-shaped container formed by inwards punching a thin steel plate, a plurality of evaporation pans are overlapped in an area increasing from top to bottom, the diameter of the evaporation pan at the lowest part is smaller than that of the tank body, and a liquid level sensor 3 for measuring the height of the liquid level in each evaporation pan is further arranged in each evaporation pan;
the controller is in signal connection with the hydraulic lifting rod 21, the first valve 11, the second valve 12, and the respective level sensors 3, and is configured to:
at the first moment, the first valve 11 is controlled to be closed, the second valve 12 is controlled to be opened, meanwhile, the hydraulic lifting rod 21 is controlled to drive the evaporation discs 22 to completely descend below the liquid level of the water body in the heat accumulator, so that the saturated water in the heat accumulator is filled into each evaporation disc 22, and then the hydraulic lifting rod 21 is controlled to upwards rise so that the evaporation discs 22 completely leave the water body, so that the total surface area of the saturated water in the heat accumulator is increased, the evaporation rate of the saturated water is accelerated, and the generation speed of steam is accelerated; when the saturated water on the evaporation tray 22 is evaporated to a set liquid level, the hydraulic lifting rod 21 is controlled again to drive the evaporation tray 22 to descend for water filling, and the process is circulated;
the first time point is a time point which is located before the second time point and is separated from the second time point by a preset time period;
the second moment is the middle moment of each section of one or more time sections with steam consumption larger than a threshold value according to historical statistics;
the preset time period is proportional to the difference between the real-time steam consumption and the threshold, i.e., the larger the steam consumption exceeds the threshold, the longer the preset time period is set, and the earlier the evaporation pan 22 intervenes to perform auxiliary evaporation.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.
Claims (1)
1. A steam heat accumulator comprises a tank body, a steam inlet, a steam outlet, a first valve and a second valve, wherein the steam inlet and the steam outlet are respectively arranged at the left part and the upper part of the tank body;
the heat storage regulating part comprises a hydraulic lifting rod, a plurality of layers of evaporation trays and a controller, wherein,
the hydraulic lifting rod is used for driving the evaporation tray to ascend or descend, one end of the hydraulic lifting rod is fixedly connected with the bottom of the evaporation tray at the lowest part, and the other end of the hydraulic lifting rod is fixedly connected with the bottom of the tank body;
the evaporation pan is used for increasing the surface area of the liquid level of saturated water in the steam heat accumulator, and is a shallow pan-shaped container formed by inwards stamping a thin steel plate, a plurality of evaporation pans are overlapped in an area increasing manner from top to bottom, the diameter of the evaporation pan at the lowest part is smaller than that of the tank body, and a liquid level sensor used for measuring the height of the liquid level in each evaporation pan is further arranged in each evaporation pan;
the controller is in signal connection with the hydraulic lifter, the first valve, the second valve, and the respective level sensors, and is configured to: the first valve is controlled to be closed and the second valve is controlled to be opened at the first moment, meanwhile, the hydraulic lifting rod is controlled to drive all the evaporation discs to fall below the liquid level of the water body in the heat accumulator, so that the saturated water in the heat accumulator is filled into each evaporation disc, and then the hydraulic lifting rod is controlled to rise upwards to enable all the evaporation discs to leave the water body, so that the total surface area of the saturated water in the heat accumulator is increased, the evaporation rate of the saturated water is accelerated, and the generation speed of steam is accelerated; when the saturated water on the evaporation tray is evaporated to a set liquid level, controlling the hydraulic lifting rod to drive the evaporation tray to descend for water filling, and circulating in this way;
the first time point is a time point which is located before the second time point and is separated from the second time point by a preset time period;
the second moment is the middle moment of each section of one or more time sections with steam consumption larger than a threshold value according to historical statistics;
the preset time period is in direct proportion to the difference between the real-time steam consumption and the threshold value, namely, the larger the steam consumption exceeds the threshold value, the longer the preset time period is set, and the earlier the evaporation disc is involved to carry out auxiliary evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077749.9A CN109682243B (en) | 2019-01-28 | 2019-01-28 | Steam heat accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077749.9A CN109682243B (en) | 2019-01-28 | 2019-01-28 | Steam heat accumulator |
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| Publication Number | Publication Date |
|---|---|
| CN109682243A CN109682243A (en) | 2019-04-26 |
| CN109682243B true CN109682243B (en) | 2020-05-19 |
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| CN201910077749.9A Active CN109682243B (en) | 2019-01-28 | 2019-01-28 | Steam heat accumulator |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3490691B2 (en) * | 2000-06-05 | 2004-01-26 | 三建設備工業株式会社 | Water quality management system in combination of steam compression refrigerator and heat storage tank |
| CN1182340C (en) * | 2002-12-30 | 2004-12-29 | 上海交通大学 | Catch water of varying pressure steam accumulator |
| CN100540996C (en) * | 2007-11-16 | 2009-09-16 | 冼泰来 | Vapour recovery warehouse |
| CN201387002Y (en) * | 2008-12-30 | 2010-01-20 | 青岛磐石容器制造有限公司 | Steam heat accumulator |
| CN102261645B (en) * | 2011-05-12 | 2013-05-29 | 四川省达州钢铁集团有限责任公司 | Steam heat accumulator and method for fixing thermal insulating layer thereof |
| CN102278740A (en) * | 2011-08-30 | 2011-12-14 | 圣火科技(河南)有限责任公司 | Ball-type heat accumulator capable of supplying steam and hot water |
| CN206339117U (en) * | 2016-11-07 | 2017-07-18 | 首钢总公司 | A kind of steam accumulator and its fill thermal |
| CN206974230U (en) * | 2017-07-07 | 2018-02-06 | 中冶赛迪工程技术股份有限公司 | A kind of pressure swinging type steam spherical shape heat accumulator of the micro- overheat of band |
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| CN109682243A (en) | 2019-04-26 |
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Effective date of registration: 20200426 Address after: 325000 Nan Shang village, Teng Qiao Zhenjiang, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Bai Tingting Address before: 237000 Wenyiyunhe Bay District, Gaocheng East Road, Jinan District, Lu'an City, Anhui Province Applicant before: Kong Xiangfeng |
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Effective date of registration: 20220928 Address after: Room 1961-11, 19th Floor, Building 17, Phase II, Innovation Park, 7# Wulongjiang Middle Avenue, Fuzhou High-tech Zone, Fuzhou City, Fujian Province, 350108 Patentee after: CHINA CERULEAN SKY TECHNOLOGY Co.,Ltd. Address before: 325000 Tengqiao Zhen Jiangnan Shang Cun, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Bai Tingting |
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