CN204513978U - Heat-conducting oil furnace flue gas waste heat spray drying system - Google Patents
Heat-conducting oil furnace flue gas waste heat spray drying system Download PDFInfo
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- CN204513978U CN204513978U CN201520014734.5U CN201520014734U CN204513978U CN 204513978 U CN204513978 U CN 204513978U CN 201520014734 U CN201520014734 U CN 201520014734U CN 204513978 U CN204513978 U CN 204513978U
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Abstract
本实用新型属于化工设备技术领域，具体为一种导热油烟道气余热喷雾干燥系统。系统主要包括气热交换系统、喷雾干燥器等，其中气热交换系统由热交换器、预热循环交换器组成；所示的气热交换系统设置于导热油炉与烟囱的烟道之间，空气通过烟道气流经的预热循环交换器以及热交换器直接加热后提供给喷雾干燥器。本实用新型在导热油炉与烟囱之间设置热交换装置，利用烟道气余热实现喷雾干燥器所需热空气的预处理，结构设备简单，安全环保，有效提高了能源利用率。
The utility model belongs to the technical field of chemical equipment, in particular to a thermal oil flue gas waste heat spray drying system. The system mainly includes a gas heat exchange system, a spray dryer, etc., wherein the gas heat exchange system is composed of a heat exchanger and a preheating circulation exchanger; the gas heat exchange system shown is set between the heat transfer oil furnace and the flue of the chimney, The air is supplied to the spray dryer after being directly heated by the preheating recirculation exchanger through which the flue gas passes and the heat exchanger. The utility model is provided with a heat exchange device between the heat conduction oil furnace and the chimney, utilizes the waste heat of the flue gas to realize the pretreatment of the hot air required by the spray dryer, has simple structure and equipment, is safe and environmentally friendly, and effectively improves the energy utilization rate.
Description
技术领域 technical field
本实用新型属于化工设备技术领域，具体涉及导热油炉烟道气余热回收系统。 The utility model belongs to the technical field of chemical equipment, in particular to a waste heat recovery system for heat conduction oil furnace flue gas.
背景技术 Background technique
导热油锅炉是目前化工生产中常用的加热设备，导热油使用温度高，从而导致烟道内的气体温度也非常高，当导热油锅炉提供250oC热油时，烟道气温度已达450oC，而当油温达300oC以上时，烟道气温度高达600oC以上。但现有的生产企业往往把烟道气直接排放到大气中，造成热能损耗大，能源浪费严重，而且亦会对周围环境造成热辐射影响。 Heat conduction oil boilers are commonly used heating equipment in chemical production at present. The use temperature of heat conduction oil is high, which leads to very high temperature of the gas in the flue. When the heat conduction oil boiler provides 250 o C hot oil, the temperature of the flue gas has reached 450 o C, and when the oil temperature reaches above 300 o C, the flue gas temperature reaches above 600 o C. However, the existing production enterprises often discharge the flue gas directly into the atmosphere, resulting in large heat loss and serious energy waste, and will also cause thermal radiation effects on the surrounding environment.
发明内容 Contents of the invention
本实用新型的目的在于克服现有化工企业生产技术采用导热油炉加热技术的不足，针对现有化工企业导热油烟道气余热回收利用缺失或采取了部分利用方法但回收效果欠佳等情况，提供一种在导热油炉烟道气余热喷雾干燥系统，利用烟道气余热直接为喷雾干燥器提供所需的热空气，从而实现对热能的回收与利用。 The purpose of this utility model is to overcome the shortage of heat transfer oil furnace heating technology used in the production technology of existing chemical enterprises, and to provide for the lack of recovery and utilization of heat transfer oil flue gas waste heat in existing chemical enterprises or the use of partial utilization methods but poor recovery effects, etc. A spray drying system for waste heat of flue gas in a heat-conducting oil furnace, which uses the waste heat of flue gas to directly provide the required hot air for the spray dryer, thereby realizing the recovery and utilization of heat energy.
本实用新型提供的导热油炉烟道气余热喷雾干燥系统，是在导热油炉与烟囱之间的烟道上设置用于喷雾干燥所需加热空气的气热交换系统，具体包括导热油炉、喷雾干燥器、气热交换系统；所述的气热交换系统包括依次设置在油气流经通道上并相互连接的预热循环交换器与热交换器；所述的喷雾干燥器进口与气热交换系统的热交换器的热空气出口相连，而喷雾干燥器的空气出口处设有引风机。通过气热交换系统将导热油炉内的烟道气余热转化为空气加热能源，直接为喷雾干燥器提供热空气。 The heat transfer oil furnace flue gas waste heat spray drying system provided by the utility model is to install a gas heat exchange system for spraying and drying required heating air on the flue between the heat transfer oil furnace and the chimney, and specifically includes a heat transfer oil furnace, a spray Dryer, gas heat exchange system; the gas heat exchange system includes a preheating circulation exchanger and a heat exchanger which are sequentially arranged on the oil and gas passage and connected to each other; the spray dryer inlet and the gas heat exchange system The hot air outlet of the heat exchanger is connected, and the air outlet of the spray dryer is equipped with an induced draft fan. Through the gas heat exchange system, the waste heat of the flue gas in the heat transfer oil furnace is converted into air heating energy, which directly provides hot air for the spray dryer.
作为优选，所述的预热循环交换器空气进口处设有送风机。 As a preference, a blower is provided at the air inlet of the preheating circulation exchanger.
作为优选，所述的气热交换系统还包括设置在油气流经通道上的水膜除尘装置，其位于预热循环交换器之后，烟道气经气热交换器、预热循环交换器热交换后温度降低至100oC以下，此时能很好地发挥水膜除尘作用，从而减少烟道气的污染排放，具有安全环保效用。 As a preference, the gas heat exchange system also includes a water film dedusting device arranged on the oil and gas passage, which is located after the preheating circulation exchanger, and the flue gas is heat exchanged through the gas heat exchanger and the preheating circulation exchanger. After the temperature is lowered to below 100 o C, the water film dust removal effect can be well exerted at this time, thereby reducing the pollution emission of the flue gas, which has the effect of safety and environmental protection.
与现有技术相比，本实用新型具有显著的效果：通过气热交换系统将导热油炉烟道气的热量充分利用，直接对所需空气进行预热、再加热，为喷雾干燥器提供热空气，设备结构简单，节约能源，而且烟道气排放时温度大大降低，具有节能、安全、环保等优点。 Compared with the prior art, the utility model has remarkable effects: the heat of the flue gas of the heat conduction oil furnace is fully utilized through the gas heat exchange system, and the required air is directly preheated and reheated to provide heat for the spray dryer. Air, the equipment has a simple structure, saves energy, and the temperature of the flue gas is greatly reduced when it is discharged, which has the advantages of energy saving, safety, and environmental protection.
附图说明 Description of drawings
图1为本实用新型导热油烟道气余热喷雾干燥系统的结构示意图。 Fig. 1 is a structural schematic diagram of the heat transfer oil flue gas waste heat spray drying system of the present invention.
图中标号：1为导热油炉，2为气热交换系统，3为热交换器，4为预热循环交换器，5为送风机，6为水膜除尘器，7为喷雾干燥器，8为引风机，9为烟囱，10为引风机。 Numbers in the figure: 1 is heat conduction oil furnace, 2 is gas heat exchange system, 3 is heat exchanger, 4 is preheating circulation exchanger, 5 is blower, 6 is water film dust collector, 7 is spray dryer, 8 is Induced fan, 9 is a chimney, and 10 is an induced fan.
具体实施方式 Detailed ways
下面结合附图1与实施例对本实用新型做进一步详细描述。 Below in conjunction with accompanying drawing 1 and embodiment the utility model is described in further detail.
实施例1 Example 1
导热油炉烟道气余热喷雾干燥系统，参见图1，它包括导热油炉1、气热交换系统2以及喷雾干燥器7，所述的气热交换系统2设置在导热油炉1与烟囱9之间的烟道上，它包括设置在油气流经通道上的预热循环加热器4与热交换器3。通过气热交换系统2将烟道气余热直接加热空气并提供给喷雾干燥器7，从而达到热能的回收利用，节约能源。 Heat conduction oil furnace flue gas waste heat spray drying system, see Figure 1, it includes heat conduction oil furnace 1, gas heat exchange system 2 and spray dryer 7, the gas heat exchange system 2 is set between heat conduction oil furnace 1 and chimney 9 On the flue between them, it includes a preheating circulation heater 4 and a heat exchanger 3 arranged on the oil flow passage. Through the air heat exchange system 2, the waste heat of the flue gas is directly heated to the air and provided to the spray dryer 7, so as to achieve the recovery and utilization of heat energy and save energy.
气热交换系统2还包括设置在烟道上的水膜除尘器6，其位于预热循环交换器后。烟道气经热交换器3与预热循环交换器4余热利用后温度降低至100oC以下，此时水膜除尘效果佳，大大减少了烟道气对周围环境的影响。 The gas heat exchange system 2 also includes a water film dust collector 6 arranged on the flue, which is located after the preheating circulation exchanger. After the flue gas passes through the heat exchanger 3 and the preheating circulation exchanger 4, the temperature is reduced to below 100 o C. At this time, the water film dust removal effect is good, which greatly reduces the impact of the flue gas on the surrounding environment.
预热循环交换器4与送风机5相连。 The preheating circulation exchanger 4 is connected with the blower 5 .
空气经送风机5进入预热循环交换器4与烟道气进行热交换，使烟道尾气温度大大降低，接着预热空气进入热交换器3与导热油炉1产生的高温油气进行热交换，得到所需的热空气直接提供给喷雾干燥器，从而实现了导热油炉烟道气余热的直接利用，装置简单，有效节约了能源，具有节能、安全、环保等优点。 The air enters the preheating circulation exchanger 4 through the blower 5 to exchange heat with the flue gas, so that the temperature of the flue gas is greatly reduced, and then the preheated air enters the heat exchanger 3 to exchange heat with the high-temperature oil gas generated by the heat-conducting oil furnace 1 to obtain The required hot air is directly supplied to the spray dryer, thereby realizing the direct utilization of the waste heat of the heat conduction oil furnace flue gas. The device is simple, effectively saves energy, and has the advantages of energy saving, safety, and environmental protection.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014734.5U CN204513978U (en) | 2015-01-09 | 2015-01-09 | Heat-conducting oil furnace flue gas waste heat spray drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014734.5U CN204513978U (en) | 2015-01-09 | 2015-01-09 | Heat-conducting oil furnace flue gas waste heat spray drying system |
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| CN204513978U true CN204513978U (en) | 2015-07-29 |
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| CN201520014734.5U Expired - Fee Related CN204513978U (en) | 2015-01-09 | 2015-01-09 | Heat-conducting oil furnace flue gas waste heat spray drying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247782A (en) * | 2016-08-03 | 2016-12-21 | 五洲丰农业科技有限公司 | Residual heat integrative utilizes fertiliser granulates drying unit |
| CN108426372A (en) * | 2018-02-28 | 2018-08-21 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
-
2015
- 2015-01-09 CN CN201520014734.5U patent/CN204513978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247782A (en) * | 2016-08-03 | 2016-12-21 | 五洲丰农业科技有限公司 | Residual heat integrative utilizes fertiliser granulates drying unit |
| CN108426372A (en) * | 2018-02-28 | 2018-08-21 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
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| C14 | Grant of patent or utility model | ||
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| 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: 20150729 Termination date: 20180109 |