WO2024000751A1 - 一种防止转炉汽化冷却排污干烧的系统及方法 - Google Patents

一种防止转炉汽化冷却排污干烧的系统及方法 Download PDF

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WO2024000751A1
WO2024000751A1 PCT/CN2022/112399 CN2022112399W WO2024000751A1 WO 2024000751 A1 WO2024000751 A1 WO 2024000751A1 CN 2022112399 W CN2022112399 W CN 2022112399W WO 2024000751 A1 WO2024000751 A1 WO 2024000751A1
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Prior art keywords
drainage
drainage pipe
circulation
header
heat exchange
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PCT/CN2022/112399
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English (en)
French (fr)
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李嘉麒
代黎
曹盛华
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中冶南方工程技术有限公司
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Publication of WO2024000751A1 publication Critical patent/WO2024000751A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C2100/00—Exhaust gas
    • C21C2100/02—Treatment of the exhaust gas
    • 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

Definitions

  • the present invention relates to the technical field of iron and steel metallurgy, and in particular to a system and method for preventing converter vaporization, cooling and sewage dry burning.
  • the waste heat boiler evaporation cooling system changes the traditional flue water cooling method to the evaporation cooling method. Different heat exchangers are set up in different temperature sections of the flue, so that the heat carried by the flue gas can be efficiently recovered. For large converters , electric furnace has a good heat collection effect.
  • the existing waste heat boiler vaporization cooling system it was found that since there is no water circulation process inside the water discharge valve at the lower part of the flue in the moving section of the existing waste heat boiler vaporization cooling system, this part of the pipes and valves are prone to burn out and leak due to high temperatures. , affecting the use of the evaporation cooling and sewage discharge process.
  • the present invention provides a system for preventing converter vaporization cooling and blowdown dry burning, including a header, a conventional circulation system, an enhanced heat exchange circulation system and a drainage system.
  • the conventional circulation system and the enhanced The heat exchange circulation system includes a circulation pump, the water inlet end of the circulation pump is connected to the header, and the water outlet end of the circulation pump is connected to the header to form a conventional circulation system.
  • the enhanced heat exchange circulation system includes circulation valve, the first drainage pipe, the water outlet end of the circulation pump is connected to the circulation valve, the first drainage pipe, and the header in sequence to form an enhanced heat exchange circulation system.
  • the drainage system includes a second drainage pipe, and the second drainage pipe is connected to The first drainage pipe is connected, and a drainage valve is provided on the second drainage pipe.
  • first drainage pipe passes through the side wall of the dog house, and a drainage hose is connected between the first drainage pipe and the second drainage pipe.
  • one end of the drainage hose away from the first drainage pipe is connected to the circulation valve and the second drainage pipe.
  • the drainage hose is located outside the side wall of the dog house, and the drainage valve is located outside the side wall of the dog house.
  • a protective layer is provided at the connection between the first drainage pipe and the side wall of the dog house.
  • the drainage system further includes a sewage expansion container, and the sewage expansion container is connected to the output end of the second drainage pipe.
  • the water flow direction of the drainage system is the header, the first drainage pipe, the drainage hose, the second drainage pipe, and the sewage expansion container in order.
  • the header is connected with a heated pipe.
  • temperature detectors are installed on each pipeline of the conventional circulation system, the enhanced heat exchange circulation system and the drainage system.
  • the present invention also provides a method for preventing converter vaporization, cooling and blowdown dry burning, which is characterized in that it includes the following steps:
  • the present invention has the following beneficial effects compared with the prior art:
  • Circulation valves and drainage valves are respectively provided in the enhanced heat exchange circulation system and the drainage system, which can dynamically control the flow conditions in each pipe in the drainage system. Adjust to achieve the effect of flow control and reduce the impact of excessive temperature on the drainage valve.
  • Figure 1 is a schematic structural diagram of a system for preventing converter vaporization, cooling, blowdown and dry burning according to the present invention.
  • 1-Heading box 2-Heated pipe; 3-Circulating pump; 4-Circulating valve; 5-First drainage pipe; 6-Conventional circulation pipe; 7-Second drainage pipe; 8-Drainage valve; 9-Dog house side Wall; 10-drainage hose; 11-protective layer; 12-sewage expansion container.
  • connection and “connection” should be interpreted in a broad sense.
  • connection can be a fixed connection, a detachable connection, or an integration; it can be a mechanical connection.
  • the connection may also be an electrical connection; it may be a direct connection or an indirect connection through an intermediary; it may be an internal connection between two elements or an interactive relationship between two elements.
  • connection may be a fixed connection, a detachable connection, or an integration; it can be a mechanical connection.
  • the connection may also be an electrical connection; it may be a direct connection or an indirect connection through an intermediary; it may be an internal connection between two elements or an interactive relationship between two elements.
  • connection may be a fixed connection, a detachable connection, or an integration; it can be a mechanical connection.
  • the connection may also be an electrical connection; it may be a direct connection or an indirect connection through an intermediary; it may be an internal connection between two elements or an interactive relationship between two elements.
  • connection may be a fixed connection, a detachable connection
  • the present invention provides a system for preventing converter vaporization, cooling, sewage discharge and dry burning, including a header 1, a conventional circulation system, an enhanced heat exchange circulation system and a drainage system.
  • the thermal circulation system and the drainage system are both connected to the header 1, and the header 1 is also connected to a heated pipe 2.
  • the conventional circulation system and the enhanced heat exchange circulation system include a circulation pump 3, and the inlet of the circulation pump 3 The water end is connected to the header 1, and the water outlet end of the circulation pump 3 is connected to the header 1 through a conventional circulation pipe 6 to form a conventional circulation system.
  • the enhanced heat exchange circulation system includes a circulation valve 4, a first drainage Pipe 5, the water outlet end of the circulation pump 3 is connected to the circulation valve 4, the first drainage pipe 5, and the header 1 in sequence to form an enhanced heat exchange circulation system.
  • the conventional circulation system and the enhanced heat exchange circulation system are shared.
  • a circulation pump 3, the water inlet end of the circulation pump 3 is connected to the header 1, and the water outlet end is connected to a conventional circulation pipe 6 and a circulation valve 4 to achieve conventional circulation and enhanced heat exchange circulation, which can be achieved through a tee joint Multi-branch connection; of course, the conventional circulation system and the enhanced heat exchange circulation system can be two independent circulation systems, that is, they each include a circulation pump 3.
  • the two circulation pumps 3 can operate independently.
  • the conventional circulation system and the enhanced heat exchange circulation system The system can be independently regulated; the drainage system includes a second drainage pipe 7 connected with the first drainage pipe 5 , and a drainage valve 8 is provided on the second drainage pipe 7 .
  • the first drainage pipe 5 passes through the side wall 9 of the dog house, a drainage hose 10 is connected between the first drainage pipe 5 and the second drainage pipe 7, and the side wall 9 of the dog house is provided with A through hole for the first drainage pipe 5 to pass through.
  • the first drainage pipe 5 passes through the side wall 9 of the dog house and then is connected to the drainage hose 10.
  • the end of the drainage hose 10 away from the first drainage pipe 5 is connected to the The circulation valve 4 and the second drainage pipe 7 are connected.
  • the drainage hose 10 and the drainage valve 8 are both outside the side wall 9 of the dog house.
  • the drainage hose 10 is preferably a metal hose. During use, a margin for extension will be reserved.
  • a protective layer 11 is provided at the connection between the first drainage pipe 5 and the side wall 9 of the dog house.
  • the first drainage pipe 5 passes through the side wall of the dog house.
  • a protective layer 11 is provided on both the inner and outer sides of the dog house 9, which can protect the stability of the wall surface at the opening of the side wall 9 of the dog house, and can also protect the first drainage pipe 5 to avoid damage to the dog house due to excessive temperature difference between the inside and outside of the dog house.
  • the first drain pipe 5 is affected.
  • the drainage system further includes a sewage expansion container 12, which is connected to the output end of the second drainage pipe 7.
  • the water flow direction of the drainage system is in order of header 1, first drainage Pipe 5, drainage hose 10, second drainage pipe 7, and sewage expansion container 12.
  • the circulation valve 4 can also be closed to discharge the water in the header 1. Further, in order to ensure that all the water in the header 1 is After draining, the first drainage pipe 5 is connected to the bottom of the header 1 to drain all the water in the header 1 as much as possible.
  • the circulation valve 4 is opened and the drainage valve 8 is closed to ensure the normal operation of the conventional circulation system and the enhanced heat exchange circulation system.
  • the conventional circulation process is that the water in the header 1 passes through the circulation pump 3 Then it is connected to header 1 to form a regular circulation process;
  • the enhanced heat exchange cycle process is that after the water in header 1 passes through the circulation pump 3, it returns to the union through the circulation valve 4, the drainage hose 10, and the first drainage pipe 5.
  • Box 1 forms an enhanced heat exchange circulation system and strengthens the heat exchange of the first drainage pipe 5; when water needs to be released for equipment maintenance, the circulation pump 3 is closed, the circulation valve 4 is closed, and the drainage valve 8 is opened.
  • the water flows through the heated pipe under its own gravity. 2 and the water in the header 1 passes through the first drainage pipe 5, the drainage hose 10, and the second drainage pipe 7 and finally enters the sewage expansion container 12 to complete the drainage process.
  • a flow metering valve can be installed on the connecting pipeline between the circulation pump and the conventional circulation system and the enhanced heat exchange circulation system, so that the conventional circulation system can be And regulate the water flow of the enhanced heat exchange circulation system to ensure the normal operation of the system; further, each pipeline of the conventional circulation system, the enhanced heat exchange circulation system and the drainage system is equipped with a temperature detector, which can pass through each pipe The temperature on the road guides the flow metering valve to adjust the flow of the conventional circulation system and strengthen the heat exchange circulation system to improve the operating efficiency of the system.
  • the method based on the present invention for preventing converter vaporization, cooling and blowdown dry burning systems specifically includes the following steps:
  • the circulation pump 3 transports water to the header 1 through the conventional circulation pipe 6 to ensure the normal operation of the conventional circulation system;
  • the temperature in the header is 145-200°C.
  • the operation of the enhanced heat exchange circulation system can enhance the heat exchange of the first drainage pipe 5 and the drainage hose 10, and the circulation pump 3 enters the conventional circulation system and the enhanced heat exchange system. The flow can be controlled to ensure the normal operation of the entire system.
  • temperature detectors can be set up on each pipeline to detect the temperature of each pipeline and valve, and detect the operating conditions of the system to avoid excessive local temperatures, which may cause abnormal system operation or even cause damage to pipelines and valves.
  • the present invention provides a system and method for preventing dry burning of converter vaporization cooling sewage, which can reduce the failure of drainage valves due to high temperature burning, improve the stability of system operation, and strengthen the internal replacement of drainage pipes.
  • Thermal conditions ensure the stable state of the first drainage pipeline at high temperatures, which improves the safety of each pipeline and also improves the overall working performance.
  • the flow conditions of each pipeline in the drainage system can be dynamically adjusted. Control, ensuring that the flow control effect can be achieved without losing its original functions, which has very positive significance for practical applications in the metallurgical industry.

Abstract

一种防止转炉汽化冷却排污干烧的系统及方法，该系统包括联箱（1）、常规循环系统、强化换热循环系统和排水系统，常规循环系统和强化换热循环系统包括循环泵（3），循环泵（3）的出水端与联箱（1）连接形成常规循环系统，强化换热循环系统包括循环阀门（4）、第一排水管（5），排水系统包括第二排水管（7），第二排水管（7）与第一排水管（5）连通，第二排水管（7）上设置有排水阀门（8），第一排水管（5）和第二排水管（7）之间设置排水软管（10）。所述系统通过循环泵（3）与第一排水管（5）、排水软管（10）的连接实现强化换热循环，强化了排水管道内部换热情况，保证了排水管道在高温情况下的稳定状态，避免了其因内部水不流动而造成的过热情况，提升了各管道的安全性，保证了整个系统的工作性能。

Description

一种防止转炉汽化冷却排污干烧的系统及方法 技术领域
本发明涉及钢铁冶金技术领域，尤其涉及一种防止转炉汽化冷却排污干烧的系统及方法。
背景技术
我国钢铁企业的能耗接近10％，同时现阶段钢铁企业对于余热利用率仍然与发达国家存在着不少的差距，因此在钢铁生产过程中提升余热回收、提高能源利用率是实现钢铁生产高效化、绿色化的重要途径之一。目前，余热锅炉的冷却主要有两种方式，一是开路或循环水直接冷却，二是汽化冷却，与直接水冷相比，汽化冷却系统产生的蒸汽可以并入厂区蒸汽管网，用于发电、动力、采暖等，能源利用率更高。
余热锅炉汽化冷却系统是将传统的烟道水冷方式改为汽化冷却的方式，在烟道不同的温度段设置不同的换热器，从而能够高效的回收烟气所携带的热量，对于大型的转炉、电炉有着姣好的热收集效果。在现有的余热锅炉汽化冷却系统使用过程中发现，由于现有余热锅炉汽化冷却系统移动段烟道下部放水阀门内部不存在水循环过程，造成此部分管道与阀门易出现因为高温烧坏漏水的情况，影响汽化冷却排污过程的使用。
发明内容
为了解决上述问题，一方面，本发明提供了一种防止转炉汽化冷却排污干烧的系统，包括联箱、常规循环系统、强化换热循环系统和排水系统，所述常规循环系统和所述强化换热循环系统包括循环泵，所述循环泵的进水端与所述联箱连接，所述循环泵的出水端与所述联箱连接形成常规循环系统，所述强化换热循环系统包括循环阀门、第一排水管，所述循环泵的出水端依次连接循环阀门、第一排水管、联箱形成强化换热循环系统，所述排水系统包括第二排水管，所述第二排水管与所述第一排水管连通，所述第二排水管 上设置有排水阀门。
进一步地，所述第一排水管穿过狗屋侧壁，所述第一排水管和所述第二排水管之间连接有排水软管。
进一步地，所述排水软管远离所述第一排水管的一端与所述循环阀门以及第二排水管连通。
进一步地，所述排水软管位于所述狗屋侧壁的外侧，所述排水阀门位于所述狗屋侧壁的外侧。
进一步地，所述第一排水管与狗屋侧壁连接处设置有保护层。
进一步地，所述排水系统还包括排污扩容器，所述排污扩容器与所述第二排水管的输出端连接。
进一步地，所述排水系统的水流方向依次为联箱、第一排水管、排水软管、第二排水管、排污扩容器。
进一步地，所述联箱连接有受热管。
进一步地，所述常规循环系统、强化换热循环系统和排水系统的各管路上均设置有温度检测仪。
另一方面，本发明还提供了一种防止转炉汽化冷却排污干烧的方法，其特征在于，包括如下步骤：
S1：打开循环泵，常规循环系统启动，由循环泵向联箱泵水；
S2：打开循环阀门，关闭排水阀门，通过强化换热循环系统向联箱泵水；
S3：检修排水前，关闭循环阀门，打开排水阀门，排水系统启动用于联箱排水。
本发明由于采用以上技术方案，使之与现有技术相比，具有以下有益效果：
1)本发明提供的防止转炉汽化冷却排污干烧的系统及方法，通过设置循环泵与第一排水管、排水软管的连接实现强化换热循环，强化了排水管道内 部换热情况，保证了排水管道在高温情况下的稳定状态，避免了其因内部水不流动而造成的过热情况，提升了各管道的安全性，保证了整个系统的工作性能；
2)本发明提供的防止转炉汽化冷却排污干烧的系统及方法，通过改变排水阀门的位置，减少了排水阀门因为高温灼烧而失效的情况，提升了系统工作的稳定性；
3)本发明提供的防止转炉汽化冷却排污干烧的系统及方法，在强化换热循环系统以及排水系统中分别设置循环阀门和排水阀门，可以对排水系统中的各管道内的流动情况进行动态调节，实现流动控制的效果，减少因温度过高对排水阀门造成的影响。
附图说明
图1为本发明防止转炉汽化冷却排污干烧的系统的结构示意图。
1-联箱；2-受热管；3-循环泵；4-循环阀门；5-第一排水管；6-常规循环管道；7-第二排水管；8-排水阀门；9-狗屋侧壁；10-排水软管；11-保护层；12-排污扩容器。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例，基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。附图中，为清晰可见，可能放大了某部分的尺寸及相对尺寸。
在本发明的描述中，除非另有明确的规定和限定，术语“连接”、“相连”应做广义解释，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接连接，也可以通过中间媒介间接连接，可以是两个元件内部的连通或两个元件的相互作用关系，对 于本领域的普通的技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
在本发明的描述中，术语“上”、“下”、“左”、“右”、“前”、“后”等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，在本发明的描述中，术语“第一”、“第二”、“第三”仅仅用于在描述上加以区分。
如说明书附图1所示，本发明提供了一种防止转炉汽化冷却排污干烧的系统，包括联箱1、常规循环系统、强化换热循环系统和排水系统，所述常规循环系统、强化换热循环系统和排水系统均与联箱1连接，所述联箱1还连接有受热管2，所述常规循环系统和所述强化换热循环系统包括循环泵3，所述循环泵3的进水端与所述联箱1连接，所述循环泵3的出水端通过常规循环管道6与所述联箱1连接形成常规循环系统，所述强化换热循环系统包括循环阀门4、第一排水管5，所述循环泵3的出水端依次连接循环阀门4、第一排水管5、联箱1形成强化换热循环系统，本实施例中，所述常规循环系统和强化换热循环系统共用一个所述循环泵3，所述循环泵3的进水端与联箱1连接，出水端连接有常规循环管道6以及循环阀门4，实现常规循环和强化换热循环，可通过三通接头实现多分支连接；当然，常规循环系统和强化换热循环系统可以是相互独立的两个循环系统，即分别包括一个循环泵3，两个循环泵3可以独立运行，常规循环系统和强化换热循环系统可以独立进行调控；所述排水系统包括第二排水管7，所述第二排水管7与所述第一排水管5连通，所述第二排水管7上设置有排水阀门8。
优化实施方式，所述第一排水管5穿过狗屋侧壁9，所述第一排水管5和所述第二排水管7之间连接有排水软管10，狗屋侧壁9设置有供第一排水管 5穿过的通孔，第一排水管5穿过狗屋侧壁9后连接排水软管10，所述排水软管10远离所述第一排水管5的一端与所述循环阀门4以及第二排水管7连通，排水软管10和排水阀门8均在狗屋侧壁9的外侧，排水软管10优选金属软管，在使用中，会预留可以延伸的余量，保证工作过程中的可移动性，所述第一排水管5与狗屋侧壁9连接处设置有保护层11，具体的，在所述第一排水管5穿过所述狗屋侧壁9的内外两侧均设置有保护层11，可保护狗屋侧壁9开口处的壁面的稳定性，同时也能对第一排水管5起到防护，避免因狗屋内外温差过大，对第一排水管5造成影响。
优化实施方式，所述排水系统还包括排污扩容器12，所述排污扩容器12与所述第二排水管7的输出端连接，所述排水系统的水流方向依次为联箱1、第一排水管5、排水软管10、第二排水管7、排污扩容器12，需要检修排水时，开启排水阀门8，关闭循环泵3，则联箱1内的水依次流经第一排水管5、排水软管10、第二排水管7至排污扩容器12中进行处理，将污水处理达标后进行排放；进行排水操作时，开启循环阀门4，则循环阀门4所在的管道内的水也会排放至排污扩容器12内，将管道内的水完全排放，当然，进行排水操作时，也可以关闭循环阀门4，对联箱1内的水进行排放，进一步地，为了保证联箱1内的水全部排完，第一排水管5与联箱1的底部连接，尽可能的让联箱1内的水全部排放完。
本实施例中，在正常工作过程中，打开循环阀门4，关闭排水阀门8，保证常规循环系统和强化换热循环系统的正常工作，常规循环过程为，联箱1内的水经过循环泵3后与联箱1连接，形成常规循环过程；强化换热循环过程为，联箱1内的水经过循环泵3后，依次经过循环阀门4、排水软管10、第一排水管5回到联箱1，形成强化换热循环系统，强化第一排水管5的换热；当设备检修需要放水时，关闭循环泵3，关闭循环阀门4，打开排水阀门8，水在自身重力下，受热管2以及联箱1内的水通过第一排水管5、排水软管 10、第二排水管7最终进入排污扩容器12中，完成排水过程。
细化实施方式，为了更好的对常规循环系统和强化换热循环系统进行调控，可以在循环泵与常规循环系统以及强化换热循环系统的连接管路上设置流量计量阀，可对常规循环系统以及强化换热循环系统的水流量进行调控，保证系统的正常运行；进一步地，所述常规循环系统、强化换热循环系统和排水系统的各管路上均设置有温度检测仪，可通过各管路上的温度来指导流量计量阀调节常规循环系统以及强化换热循环系统的流量，提高系统的运行效率。
基于本发明的防止转炉汽化冷却排污干烧的系统的方法，具体包括如下步骤：
S1：由所述循环泵3将水通过常规循环管道6输送至联箱1，保证常规循环系统正常工作；
S2：打开循环阀门4，所述循环泵3将水经由循环阀门4、排水软管10、第一排水管5后进入联箱，保证强化换热循环系统正常工作；
S3：打开排水阀门8，联箱1内的水经过第一排水管5、排水软管10、第二排水管7后进入排污扩容器12。
进一步地，联箱内的温度为145-200℃，强化换热循环系统的运行可以强化第一排水管5、排水软管10的换热，且循环泵3进入常规循环系统和强化换热系统的流量可以调控，保证整个系统的正常运行。
细化实施方式，可以在各管路上设置温度检测仪检测各管道以及阀门的温度，检测系统运行工况，避免局部温度过高，导致系统运行异常，甚至是对管道以及阀门造成损害。
同时本说明书中未作详细描述的内容均属于本领域技术人员公知的现有技术。
综上所述，本发明提供了一种防止转炉汽化冷却排污干烧的系统及方法， 可以减少排水阀门因为高温灼烧而产生的失效情况，提升了系统工作的稳定性，强化排水管道内部换热情况，保证第一排水管道在高温下的稳定状态，提升了各管道的安全性，同时也提升了整体工作性能，通过循环阀门以及排水阀门的调控，可以实现排水系统各管道流动情况动态调节控制，保证其原有功能不缺失的情况下，能够实现流动控制的效果，对于冶金行业的实际应用具有非常积极的意义。
本技术领域的技术人员应理解，本发明可以以许多其他具体形式实现而不脱离本发明的精神和范围。尽管已描述了本发明的实施例，应理解本发明不应限制为此实施例，本技术领域的技术人员可如所附权利要求书界定的本发明精神和范围之内作出变化和修改。

Claims (10)

  1. 一种防止转炉汽化冷却排污干烧的系统，其特征在于，包括联箱、常规循环系统、强化换热循环系统和排水系统，所述常规循环系统和所述强化换热循环系统包括循环泵，所述循环泵的进水端与所述联箱连接，所述循环泵的出水端与所述联箱连接形成常规循环系统，所述强化换热循环系统包括循环阀门、第一排水管，所述循环泵的出水端依次连接循环阀门、第一排水管、联箱形成强化换热循环系统，所述排水系统包括第二排水管，所述第二排水管与所述第一排水管连通，所述第二排水管上设置有排水阀门。
  2. 根据权利要求1所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述第一排水管穿过狗屋侧壁，所述第一排水管和所述第二排水管之间连接有排水软管。
  3. 根据权利要求2所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述排水软管远离所述第一排水管的一端与所述循环阀门以及第二排水管连通。
  4. 根据权利要求2所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述排水软管位于所述狗屋侧壁的外侧，所述排水阀门位于所述狗屋侧壁的外侧。
  5. 根据权利要求2所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述第一排水管与狗屋侧壁连接处设置有保护层。
  6. 根据权利要求2所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述排水系统还包括排污扩容器，所述排污扩容器与所述第二排水管的输出端连接。
  7. 根据权利要求6所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述排水系统的水流方向依次为联箱、第一排水管、排水软管、第二排水管、排污扩容器。
  8. 根据权利要求1所述的防止转炉汽化冷却排污干烧的系统，其特征在 于，所述联箱连接有受热管。
  9. 根据权利要求1所述的防止转炉汽化冷却排污干烧的系统，其特征在于，所述常规循环系统、强化换热循环系统和排水系统的各管路上均设置有温度检测仪。
  10. 一种防止转炉汽化冷却排污干烧的方法，其特征在于，包括如下步骤：
    S1：打开循环泵，常规循环系统启动，由循环泵向联箱泵水；
    S2：打开循环阀门，关闭排水阀门，通过强化换热循环系统向联箱泵水；
    S3：检修排水前，关闭循环阀门，打开排水阀门，排水系统启动用于联箱排水。
PCT/CN2022/112399 2022-07-01 2022-08-15 一种防止转炉汽化冷却排污干烧的系统及方法 WO2024000751A1 (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904474A1 (de) * 1989-02-15 1990-08-16 Oschatz Gmbh Heisskuehlkreislaufschaltung fuer einen konverterkamin
JPH07113110A (ja) * 1993-10-18 1995-05-02 Nippon Steel Corp 転炉の熱回収装置およびその制御方法
CN101476015A (zh) * 2008-01-02 2009-07-08 中冶京诚工程技术有限公司 Aod转炉烟气余热回收装置
CN206940936U (zh) * 2017-06-28 2018-01-30 承德建龙特殊钢有限公司 一种烟道防护装置
CN207091452U (zh) * 2017-07-19 2018-03-13 中冶南方工程技术有限公司 转炉烟气汽化冷却系统
CN209010554U (zh) * 2018-08-23 2019-06-21 中冶赛迪技术研究中心有限公司 一种转炉烟气汽化冷却系统
CN213507046U (zh) * 2020-08-21 2021-06-22 吉林鑫达钢铁有限公司 一种适用于转炉的汽化冷却烟道

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904474A1 (de) * 1989-02-15 1990-08-16 Oschatz Gmbh Heisskuehlkreislaufschaltung fuer einen konverterkamin
JPH07113110A (ja) * 1993-10-18 1995-05-02 Nippon Steel Corp 転炉の熱回収装置およびその制御方法
CN101476015A (zh) * 2008-01-02 2009-07-08 中冶京诚工程技术有限公司 Aod转炉烟气余热回收装置
CN206940936U (zh) * 2017-06-28 2018-01-30 承德建龙特殊钢有限公司 一种烟道防护装置
CN207091452U (zh) * 2017-07-19 2018-03-13 中冶南方工程技术有限公司 转炉烟气汽化冷却系统
CN209010554U (zh) * 2018-08-23 2019-06-21 中冶赛迪技术研究中心有限公司 一种转炉烟气汽化冷却系统
CN213507046U (zh) * 2020-08-21 2021-06-22 吉林鑫达钢铁有限公司 一种适用于转炉的汽化冷却烟道

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