CN204665322U - A kind of residual heat reclaiming apparatus for boiler vent gas - Google Patents
A kind of residual heat reclaiming apparatus for boiler vent gas Download PDFInfo
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- CN204665322U CN204665322U CN201520194388.3U CN201520194388U CN204665322U CN 204665322 U CN204665322 U CN 204665322U CN 201520194388 U CN201520194388 U CN 201520194388U CN 204665322 U CN204665322 U CN 204665322U
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- water
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- tail gas
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 210000002268 wool Anatomy 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 27
- 239000002918 waste heat Substances 0.000 abstract description 11
- 238000011084 recovery Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Thermal Insulation (AREA)
Abstract
本实用新型公开了一种锅炉尾气余热回收装置，包括尾气排放管道，在尾气排放管道上缠绕有加热细水管，在尾气排放管道的外侧套设有输水管，所述加热细水管与输水管的进水口均连通供水箱，加热细水管与输水管的出水口均连通保温储水箱，所述尾气排放管道包括管体，在管体的侧壁上间隔设置有翅片，所述翅片的内部中空，且与管体连通，所述输水管的管壁内侧间隔设置有分流板，所述输水管与尾气排放管道之间形成环形水流腔室，所述分流板与翅片交叉设置，相邻分流板与翅片之间形成水流通道。本实用新型可将锅炉尾气余热充分的回收，提高了回收效率。
The utility model discloses a boiler tail gas waste heat recovery device, which comprises a tail gas discharge pipe, a heating fine water pipe is wound on the tail gas discharge pipe, and a water delivery pipe is set on the outer side of the tail gas discharge pipe. The water inlets are all connected to the water supply tank, and the water outlets of the thin heating pipe and the water delivery pipe are connected to the heat preservation water storage tank. The exhaust gas discharge pipe includes a pipe body, and fins are arranged at intervals on the side wall of the pipe body. Hollow and communicated with the pipe body, the inner side of the pipe wall of the water delivery pipe is provided with splitter plates at intervals, an annular water flow chamber is formed between the water delivery pipe and the exhaust gas discharge pipe, and the splitter plates and fins are intersected and adjacent to each other. A water flow channel is formed between the splitter plate and the fins. The utility model can fully recover the residual heat of the boiler tail gas, and improves the recovery efficiency.
Description
技术领域 technical field
本实用新型涉及一种余热回收装置，具体地说是涉及一种锅炉尾气余热回收装置。 The utility model relates to a waste heat recovery device, in particular to a boiler tail gas waste heat recovery device.
背景技术 Background technique
目前，锅炉的应用比较广泛。锅炉产生的尾气中含有大量的余热，如果不进行回收利用而直接排放到大气中，一方面会造成严重的余热资源浪费，使得整个系统热效率低，能源消耗量大；另一方面将高温废气直接排入大气中会对环境造成污染。因此，对锅炉尾气余热的处理问题逐渐引起了人们的关注。目前虽然出现了一些尾气排放热量回收装置，但是热回收效率低，结构复杂，造价较高，不适宜中小企业。 At present, boilers are widely used. The exhaust gas produced by the boiler contains a large amount of waste heat. If it is directly discharged into the atmosphere without recycling, it will cause serious waste of waste heat resources on the one hand, resulting in low thermal efficiency of the entire system and large energy consumption; on the other hand, the high-temperature waste gas will be directly Discharge into the atmosphere will pollute the environment. Therefore, the treatment of boiler tail gas waste heat has gradually attracted people's attention. Although some exhaust heat recovery devices have appeared at present, the heat recovery efficiency is low, the structure is complicated, and the cost is high, which is not suitable for small and medium-sized enterprises.
发明内容 Contents of the invention
基于上述技术问题，本实用新型提供一种锅炉尾气余热回收装置。 Based on the above technical problems, the utility model provides a boiler tail gas waste heat recovery device.
本实用新型所采用的技术解决方案是： The technical solution adopted in the utility model is:
一种锅炉尾气余热回收装置，包括尾气排放管道，在尾气排放管道上缠绕有加热细水管，在尾气排放管道的外侧套设有输水管，所述加热细水管与输水管的进水口均连通供水箱，加热细水管与输水管的出水口均连通保温储水箱，所述尾气排放管道包括管体，在管体的侧壁上间隔设置有翅片，所述翅片的内部中空，且与管体连通，所述输水管的管壁内侧间隔设置有分流板，所述输水管与尾气排放管道之间形成环形水流腔室，所述分流板与翅片交叉设置，相邻分流板与翅片之间形成水流通道。 A boiler tail gas waste heat recovery device, comprising a tail gas discharge pipe, a heating thin water pipe is wound on the tail gas discharge pipe, and a water delivery pipe is set on the outside of the tail gas discharge pipe, and the water inlet of the heating thin water pipe and the water delivery pipe are both connected to the water supply The water outlet of the heating fine water pipe and the water delivery pipe are all connected to the heat preservation water storage tank. The exhaust gas discharge pipe includes a pipe body, and fins are arranged at intervals on the side wall of the pipe body. The interior of the fins is hollow and connected to the pipe The inner side of the pipe wall of the water delivery pipe is provided with diverter plates at intervals, and an annular water flow chamber is formed between the water delivery pipe and the exhaust gas discharge pipe. A flow channel is formed between them.
优选的，所述翅片与分流板均呈环形。 Preferably, both the fins and the splitter plate are ring-shaped.
优选的，所述输水管的外侧设置有保温层，所述保温层由外到内依次包括聚酯纤维层、羊毛毡与海绵。 Preferably, an insulation layer is provided on the outside of the water delivery pipe, and the insulation layer includes a polyester fiber layer, wool felt and sponge in sequence from outside to inside.
优选的，所述加热细水管的出水口连接三通温控阀的其中一端口，所述三通温控阀的另一端口通过管路与保温储水箱连通，所述三通温控阀的第三端口通过管路与输水管的进水口连通。 Preferably, the water outlet of the heating thin water pipe is connected to one port of the three-way temperature control valve, and the other port of the three-way temperature control valve is communicated with the heat preservation water storage tank through a pipeline, and the three-way temperature control valve The third port communicates with the water inlet of the water pipe through the pipeline.
本实用新型的有益技术效果是： The beneficial technical effect of the utility model is:
1、本实用新型可将锅炉尾气余热充分的回收，提高了回收效率，可将冷水预热至适宜温度。 1. The utility model can fully recover the waste heat of the boiler tail gas, improves the recovery efficiency, and can preheat the cold water to a suitable temperature.
2、本实用新型在尾气排放管道上设置翅片，增加了与水流的接触面积，换热效果好，而且翅片还可与输水管内侧的分流板形成水流通道，减缓水流速度，延长接触时间，使锅炉尾气余热得以充分回收利用。 2. The utility model is provided with fins on the tail gas discharge pipe, which increases the contact area with the water flow, and has a good heat exchange effect, and the fins can also form a water flow channel with the diverter plate inside the water delivery pipe, slow down the water flow speed, and prolong the contact time , so that the boiler exhaust waste heat can be fully recovered and utilized.
3、本实用新型在输水管的外侧设置保温层，以对升温后的热水起到保温作用，而且保温层由聚酯纤维层、羊毛毡与海绵组成，保温效果好，制造成本低。 3. In the utility model, an insulating layer is provided on the outside of the water pipe to keep warm hot water after heating, and the insulating layer is composed of polyester fiber layer, wool felt and sponge, which has good insulating effect and low manufacturing cost.
4、本实用新型将加热细水管与输水管连通，在连接管路上设置有三通温控阀，可根据水温加热需要进行控制，操作方便。 4. The utility model connects the heating fine water pipe with the water delivery pipe, and a three-way temperature control valve is arranged on the connecting pipe, which can be controlled according to the heating needs of the water temperature, and is easy to operate.
附图说明 Description of drawings
下面结合附图与具体实施方式对本实用新型作进一步说明： Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:
图1为本实用新型的结构原理示意图。 Fig. 1 is the structural schematic diagram of the utility model.
具体实施方式 Detailed ways
结合附图，一种锅炉尾气余热回收装置，包括尾气排放管道1，在尾气排放管道1上缠绕有加热细水管2。加热细水管2从尾气排放管道1的一端单向缠绕至另一端。在尾气排放管道1的外侧套设有输水管3。所述加热细水管2与输水管3的进水口均连通供水箱4，加热细水管2与输水管3的出水口均连通保温储水箱5。加热细水管2与输水管3的水流方向与尾气排放管道1中的尾气流动方向相反。所述尾气排放管道1包括管体101，在管体101的侧壁上间隔设置有翅片102，所述翅片102的内部中空，且翅片102的内部与管体内部连通。所述输水管3的管壁内侧间隔设置有分流板6，所述输水管3与尾气排放管道1之间形成环形水流腔室7，所述分流板6与翅片102交叉设置，分流板6与翅片102均呈环形，相邻分流板6与翅片102之间形成水流通道。 With reference to the accompanying drawings, a boiler tail gas waste heat recovery device includes a tail gas discharge pipe 1 on which a heating fine water pipe 2 is wound. The thin heating pipe 2 is unidirectionally wound from one end of the exhaust gas discharge pipe 1 to the other end. A water delivery pipe 3 is sheathed on the outer side of the tail gas discharge pipe 1 . The water inlets of the heating thin water pipe 2 and the water delivery pipe 3 are connected to the water supply tank 4 , and the water outlets of the heating thin water pipe 2 and the water delivery pipe 3 are connected to the heat preservation water storage tank 5 . The water flow direction of the heating thin water pipe 2 and the water delivery pipe 3 is opposite to the flow direction of the tail gas in the tail gas discharge pipe 1 . The exhaust gas discharge pipe 1 includes a pipe body 101, and fins 102 are arranged at intervals on the side wall of the pipe body 101. The interior of the fins 102 is hollow, and the interior of the fins 102 communicates with the interior of the pipe body. Diverter plates 6 are arranged at intervals on the inner side of the pipe wall of the water delivery pipe 3 , and an annular water flow chamber 7 is formed between the water delivery pipe 3 and the exhaust gas discharge pipe 1 . Both fins 102 are ring-shaped, and a water flow channel is formed between adjacent splitter plates 6 and fins 102 .
作为对本实用新型的进一步改进，所述输水管3的外侧设置有保温层8，所述保温层8由外到内依次包括聚酯纤维层801、羊毛毡802与海绵803。 As a further improvement to the present utility model, the outer side of the water pipe 3 is provided with a thermal insulation layer 8, and the thermal insulation layer 8 includes a polyester fiber layer 801, a wool felt 802 and a sponge 803 sequentially from outside to inside.
更进一步的，所述加热细水管2的出水口连接三通温控阀9的其中一端口，所述三通温控阀9的另一端口通过管路与保温储水箱5连通，所述三通温控阀9的第三端口通过管路与输水管的进水口连通。具体地可根据保温储水箱5中的水温需求进行控制，如当需要水温较高时可使加热细水管2与输水管3连通，以继续进行加热。当加热细水管2出水口的温度可满足要求时，则可通过控制三通温控阀9将其直接排入保温储水箱5。具体设计时可在保温储水箱中设置温度传感器，该温度传感器与控制器连接，控制器与三通温控阀连接，控制三通温控阀的导通情况。 Furthermore, the water outlet of the heating fine water pipe 2 is connected to one port of the three-way temperature control valve 9, and the other port of the three-way temperature control valve 9 is connected to the heat preservation water storage tank 5 through a pipeline. The third port of the temperature control valve 9 communicates with the water inlet of the water delivery pipe through a pipeline. Specifically, it can be controlled according to the water temperature demand in the heat preservation water storage tank 5, such as when the water temperature is higher, the heating fine water pipe 2 can be communicated with the water delivery pipe 3 to continue heating. When the temperature of the heating thin water pipe 2 water outlets can meet the requirements, it can be directly discharged into the heat preservation water storage tank 5 by controlling the three-way temperature control valve 9. During the specific design, a temperature sensor can be set in the heat preservation water storage tank, the temperature sensor is connected with the controller, and the controller is connected with the three-way temperature control valve to control the conduction of the three-way temperature control valve.
上述方式中未述及的部分采取或借鉴已有技术即可实现。 Parts not mentioned in the above methods can be realized by adopting or referring to existing technologies.
需要说明的是，在本说明书的教导下，本领域技术人员所作出的任何等同替代方式，或明显变型方式，均应在本实用新型的保护范围之内。 It should be noted that under the teaching of this specification, any equivalent replacement or obvious modification made by those skilled in the art shall fall within the protection scope of the present utility model.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194388.3U CN204665322U (en) | 2015-04-02 | 2015-04-02 | A kind of residual heat reclaiming apparatus for boiler vent gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194388.3U CN204665322U (en) | 2015-04-02 | 2015-04-02 | A kind of residual heat reclaiming apparatus for boiler vent gas |
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| Publication Number | Publication Date |
|---|---|
| CN204665322U true CN204665322U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520194388.3U Expired - Lifetime CN204665322U (en) | 2015-04-02 | 2015-04-02 | A kind of residual heat reclaiming apparatus for boiler vent gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916190A (en) * | 2017-12-08 | 2019-06-21 | 上海和惠生态环境科技有限公司 | A kind of novel sewage sludge drying tail gas heat quantity recycling and reusing device |
-
2015
- 2015-04-02 CN CN201520194388.3U patent/CN204665322U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916190A (en) * | 2017-12-08 | 2019-06-21 | 上海和惠生态环境科技有限公司 | A kind of novel sewage sludge drying tail gas heat quantity recycling and reusing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150923 |