CN102733227A - Heat energy recovery device - Google Patents

Heat energy recovery device Download PDF

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Publication number
CN102733227A
CN102733227A CN 201210236121 CN201210236121A CN102733227A CN 102733227 A CN102733227 A CN 102733227A CN 201210236121 CN201210236121 CN 201210236121 CN 201210236121 A CN201210236121 A CN 201210236121A CN 102733227 A CN102733227 A CN 102733227A
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CN
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Prior art keywords
pipe
steam
waste heat
heat
recovery device
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CN 201210236121
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Chinese (zh)
Inventor
刘洪彬
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天津市大港巨龙造纸厂
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes
    • Y02P70/24Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes related technologies for saving energy and raw materials during the production of paper or paper articles

Abstract

The invention provides a heat energy recovery device which comprises a waste heat recovery device connected with a saucepan into a whole through a waste steam pipe, wherein a steam discharge valve is arranged on the waste steam pipe; a cold water supply pipe is arranged on the waste heat recovery device; a water pipe is arranged at the lower end of the waste heat recovery device; and a water valve is arranged on the water pipe and is a float valve. The waste heat recovery device comprises a waste heat steam storage tank and the cold water supply pipe, a heat exchanger is positioned in the waste heat steam storage tank, the cold water supply pipe is connected with the front end of the heat exchanger, the water pipe is connected with the rear end of the heat exchanger, a pre-heating release pipe is arranged on the upper surface outside the waste heat steam storage tank, a residual water release pipe is arranged on the lower surface outside the waste heat steam storage tank, a liquid level observation device is arranged on the outer wall of the waste heat recovery device, the structure of the waste heat recovery device is provided with a cylindrical upper part and a conical lower part, a steam conveying pipe is connected between a boiler and the saucepan, and a steam valve is arranged on the steam conveying pipe. The heat energy recovery device has the advantages of simple structure, convenience in maintenance, low processing cost, economization of cost and the like.

Description

一种热能回收装置 A thermal energy recovery

技术领域 FIELD

[0001] 本发明属于热回收设备技术领域,尤其是涉及一种热能回收装置。 [0001] The present invention belongs to the technical field of the heat recovery device, more particularly to a heat recovery unit.

背景技术 Background technique

[0002] 造纸工业是我国污染环境的主要行业之一,造纸行业的高中压蒸煮炼的过程中,由于煮锅内的废蒸汽的释放,使煮锅内的水分减少,需要重新补充冷水,补充后的冷水需要重新燃烧,这就要消耗燃煤,占用燃烧时间,同时也要消耗电能,而煮锅内的高中压蒸汽通过废汽管排放到空气中,使大量的热蒸汽白白浪费,且废蒸汽中含有较多的有害、有毒化学元素随着高中压蒸汽一起释放到空中,严重污染了空气环境。 [0002] paper industry is one of China's major industries pollute the environment, paper industry of high pressure cooking process of refining, since the release of waste steam in the skillet, and water in the skillet reducing the need to replenish the cold water, supplements after re cold combustion, it is necessary coal consumption, occupation burning time, but also the power consumption, and high pressure steam into the air in the cooker through the exhaust steam pipe, so that a large amount of waste heat steam, and waste steam contains more harmful, toxic chemicals released along with the high pressure steam into the air, polluting the air environment. 发明内容 SUMMARY

[0003] 本发明要解决的问题是提供一种实用性强、能够将释放的热废蒸汽有效地进行回收并得到充分利用且换热器能够始终保持清洁的热能回收装置,尤其适合于造纸工业的高中压蒸煮炼的过程中产生的废蒸汽中热能的回收。 [0003] The present invention is to solve is to provide a practical strength, heat can be released efficiently recovered waste steam and heat exchanger to be fully utilized and can be always kept clean heat recovery, especially for the paper industry waste heat recovery steam refining process of high pressure generated in the digester.

[0004] 为解决上述技术问题,本发明采用的技术方案是:一种热能回收装置,包括余热回收装置,所述余热回收装置与煮锅通过废汽管连为一体,所述废汽管上设有排汽阀,余热回收装置上设有供冷水管,余热回收装置的下端设有水管,水管上设有水阀,水阀为浮球阀,所述余热回收装置包括废热气储存罐、供冷水管,换热器位于废热气储罐内,供冷水管与换热器前端相连接,水管与换热器后端相连接,预热释放管位于废热气储存罐外上表面,残水释放管位于废热气储存罐外下表面,在余热回收装置的外壁上设有液面观察装置,余热回收装置的结构为上部呈圆柱形,下部呈圆锥形,锅炉与煮锅之间连有蒸汽输送管,蒸汽输送管上设有蒸汽阀,所述换热器为圆盘式换热盘组件。 [0004] To solve the above technical problem, the technical solution adopted by the invention is: A heat recovery, comprising a heat recovery unit, the heat recovery unit and the cooker through the exhaust steam pipe integrally connected, on the steam pipe of the waste exhaust valve is provided with a cooling water waste heat recovery, waste heat recovery unit with the lower end of pipe, the pipe is provided with valve, for the float ball valve, the waste heat recovery unit comprises a heat storage tank for cold water pipes, waste heat exchanger located within the tank, the water supply pipe is connected to the front end of the heat exchanger, the heat exchanger pipe is connected to the rear end of the preheating release pipe positioned on an outer surface of the waste heat storage tank, the remaining water is released an outer tube located in the lower surface of the waste heat storage tank, the outer wall of the heat recovery unit is provided with a liquid level observation device, an upper structure of the heat recovery unit is cylindrical, the form of vapor transport between the lower connecting conical, boiler skillet pipe, the steam valve is provided on the steam pipe, the heat exchanger is a heat exchange coil assembly disc.

[0005] 进一步,所述换热器由换热盘、内套管和管套组成,内套管套置于管套主轴上,换热盘为若干个,呈空腹结构,换热盘轴向套接与内套管中间,内套管两端管内径向设置有阻流隔板,内套管管壁上设有进水孔以及出水孔。 [0005] Further, the heat exchanger by a heat exchange coil, the inner sleeve and jacket composition, placed on the sleeve over the spindle sleeve, a plurality of heat exchange coil, were fasting structure, the heat exchange coil axial and the intermediate socket inner sleeve, the inner sleeve is provided with a tube inner diameters of both baffle separators, the inner sleeve is provided with inlet holes and outlet holes on the wall.

[0006] 进一步,所述液面观察装置为浮子翻转式液位显示装置。 [0006] Further, the display device is a liquid level observation apparatus flip-float level.

[0007] 进一步,所述废热气储存罐由内向外依次为不锈钢层、岩棉保温层、铝层。 [0007] Further, the waste heat from the storage tank to outside of the stainless steel layer, rock wool insulating layer, an aluminum layer.

[0008] 本发明具有的优点和积极效果是:由于采用上述技术方案,将被释放的废蒸汽引导到余热回收装置的储存罐内,用换热器进行热量交换,将热量传递给冷水,对冷水进行加热,然后出来的废水经水管进入释放蒸汽的煮锅内予以补充水分,且本发明采用圆盘式换热盘组件,一方面加快换热速率,另一方面由于换热盘在转动过程中不断对其周围的灰尘、杂质、碎屑产生磨擦、剪切运动,使得这些杂物不会粘附在换热盘的表面儿产生污垢,换热盘表面产生自洁效果,本发明降低了造纸工业的成本;具有结构简单,维修方便,加工成本低、节约成本低等优点。 [0008] The present invention has the advantages and positive effects: Because the above technical scheme, to be released steam is directed into the waste storage tank of the heat recovery unit, to exchange heat with a heat exchanger to transfer heat to the cold water, to heating the cold water, and then out of the waste water to be released within the steam cooker into the hydration water pipes, and the present invention employs the disc type heat exchange plate assembly, on the one hand to accelerate the rate of heat transfer, on the other hand due to the rotation of the plate heat exchanger produced continuously around its dust, impurities, debris friction, shearing motion, so that the debris does not adhere to the surface of the heat exchange coil child fouling, the heat exchange coil generating surface self-cleaning effect, the present invention reduces the the cost of the paper industry; has a simple structure, convenient maintenance, low cost, and low cost.

附图说明[0009] 图I是本发明一种热能回收装置的简单结构示意图; BRIEF DESCRIPTION [0009] Figure I is a diagram of a simple structure of the heat recovery unit of the present invention;

[0010] 图2是本发明中余热回收装置的简单结构示意图; [0010] FIG. 2 is a schematic view of a simple structure of the heat recovery in the present invention;

具体实施方式 detailed description

[0011] 如图I、图2所示,本发明一种热能回收装置,包括余热回收装置9,其特征在于:所述余热回收装置9与煮锅6通过废汽管4连为一体,所述废汽管4上设有排汽阀5,余热回收装置9上设有供冷水管10,余热回收装置9的下端设有水管3,水管3上设有水阀2,水阀 [0011] FIG I, shown below, present invention provides a heat recovery device 2, including heat recovery unit 9, characterized in that: said waste heat recovery steam pipe 9 and the cooker 4 through 6 as a single entity, the said exhaust steam pipe 4 is provided on the exhaust valve 5, the heat recovery unit 910 is provided with the water supply pipe, the lower end 9 is provided with a heat recovery pipe 3, the pipe 2 is provided with valve 3, valve

2为浮球阀,所述余热回收装置9包括废热气储存罐12、供冷水管10,换热器11位于废热气储罐12内,供冷水管10与换热器11前端相连接,水管3与换热器11后端相连接,预热释放管13位于废热气储存罐12外上表面,残水释放管14位于废热气储存罐12外下表面,在余热回收装置9的外壁上设有液面观察装置,余热回收装置9的结构为上部呈圆柱形,下部呈圆锥形,锅炉I与煮锅6之间连有蒸汽输送管8,蒸汽输送管8上设有蒸汽阀7,所述换热器11为圆盘式换热盘组件。 2 is a float valve, the waste heat recovery device 9 comprises a heat storage tank 12, the water supply pipe 10, a waste heat exchanger 11 is located within the tank 12, the water supply pipe 10 is connected to the front end of the heat exchanger 11, water 3 is connected to the rear end of the heat exchanger 11, preheating the waste pipe 13 positioned on the outer surface of the heat storage tank 12 is released, the release of residual water tube waste heat storage tank 14 located at the outer surface 12 is provided on an outer wall of the heat recovery unit 9 level observation device, the structure of the heat recovery unit 9 is cylindrical upper portion, a lower conical feed pipe 8 is connected between the steam boiler and I 6 skillet, steam valve 7 is provided on the steam pipe 8, the heat exchanger 11 is a heat exchange coil assembly disc. 所述换热器11由换热盘、内套管和管套组成,内套管套置于管套主轴上,换热盘为若干个,呈空腹结构,换热盘轴向套接与内套管中间,内套管两端管内径向设置有阻流隔板,内套管管壁上设有进水孔以及出水孔。 The heat exchanger by a heat exchange coil 11, and the inner sleeve shroud composition, placed on the sleeve over the spindle sleeve, a plurality of heat exchange coil, the structure was empty, and the heat exchange coil axial socket an intermediate sleeve, the inner sleeve is provided with a tube inner diameters of both baffle separators, the inner sleeve is provided with inlet holes and outlet holes on the wall.

[0012] 为了进一步提高本实用新型的性能,所述液面观察装置为浮子翻转式液位显示装置。 [0012] To further improve the performance of the present invention is novel, the display device is a liquid level observation apparatus flip-float level. 所述废热气储存罐12由内向外依次为不锈钢层、岩棉保温层、铝层。 The waste hot gas from the storage tank 12 successively outward layer of stainless steel, rock wool insulating layer, an aluminum layer.

[0013] 以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。 [0013] In one embodiment of the above embodiment of the present invention will be described in detail, but only for the preferred embodiments of the present invention, not to be considered to define the scope of the present invention. 凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。 Where alterations of improvement under this scope of application of the invention made by the patent shall yet fall within the scope of the present invention.

Claims (4)

  1. 1. 一种热能回收装置,包括余热回收装置(9),其特征在于:所述余热回收装置(9)与煮锅(6)通过废汽管(4)连为一体,所述废汽管(4)上设有排汽阀(5),余热回收装置(9)上设有供冷水管(10),余热回收装置(9)的下端设有水管(3),水管(3)上设有水阀(2),水阀(2)为浮球阀,所述余热回收装置(9)包括废热气储存罐(12)、供冷水管(10),换热器(11)位于废热气储罐(12 )内,供冷水管(10 )与换热器(11)前端相连接,水管(3 )与换热器(11)后端相连接,预热释放管(13)位于废热气储存罐(12)外上表面,残水释放管(14)位于废热气储存罐(12)外下表面,在余热回收装置(9)的外壁上设有液面观察装置,余热回收装置(9)的结构为上部呈圆柱形,下部呈圆锥形,锅炉(I)与煮锅(6)之间连有蒸汽输送管(8),蒸汽输送管(8 )上设有蒸汽阀(7 ),所述换热器( A heat recovery unit, comprising a heat recovery unit (9), characterized in that: said waste heat recovery device (9) and the skillet (6) through the exhaust steam pipe (4) is integral, the exhaust steam pipe with exhaust valve (5) (4), provided with cooling pipes (10) on the heat recovery unit (9), the lower end of waste heat recovery device (9) is provided with a pipe (3), pipes (3) disposed on the there valve (2), valve (2) is a ball valve, the heat recovery unit (9) comprises a waste heat storage tank (12), the water supply pipe (10), a heat exchanger (11) located in the waste heat reservoir the tank (12), the water supply pipe (10) and the heat exchanger (11) is connected to the front end, water pipes (3) and the heat exchanger (11) is connected to the rear end of the preheating release pipe (13) located in the waste heat storage tank (12) on the outer surface, the residual water release tube (14) located in the waste heat storage tank (12) at an outer surface of the outer wall of the heat recovery unit (9) is provided with a liquid level observation device, heat recovery unit (9) the structure of an upper cylindrical, conical lower portion, and even a steam delivery pipe (8) between the boiler (I) and the skillet (6), the steam delivery pipe is provided with a steam valve (7) (8), the said heat exchanger ( 11)为圆盘式换热盘组件。 11) a disk type heat exchanger plate assembly.
  2. 2.根据权利要求I所述的热能回收装置,其特征在于:所述换热器(11)由换热盘、内套管和管套组成,内套管套置于管套主轴上,换热盘为若干个,呈空腹结构,换热盘轴向套接与内套管中间,内套管两端管内径向设置有阻流隔板,内套管管壁上设有进水孔以及出水孔。 The heat recovery unit according to claim I, characterized in that: said heat exchanger (11) by a heat exchange coil, the inner sleeve and jacket composition, placed on the sleeve over the spindle sleeve, for a plurality of hot plate, were fasting structure, the intermediate heat exchanger plate with an axial inner sleeve sleeved tube ends to the inner diameter of the inner sleeve is provided with a baffle separator, the inlet hole is provided on the inner wall of the sleeve and drainage.
  3. 3.根据权利要求I所述的热能回收装置,其特征在于:所述液面观察装置为浮子翻转式液位显示装置。 Thermal energy recovery device according to claim I in claim 1, characterized in that: said display device is a liquid level float observation apparatus flip-level.
  4. 4.根据权利要求I所述的热能回收装置,其特征在于:所述废热气储存罐(12)由内向外依次为不锈钢层、岩棉保温层、铝层。 Thermal energy recovery device according to claim I in claim 1, characterized in that: said waste heat storage tank (12) from the inside to outside layer of stainless steel, rock wool insulating layer, an aluminum layer.
CN 201210236121 2012-07-09 2012-07-09 Heat energy recovery device CN102733227A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103162403A (en) * 2013-03-11 2013-06-19 信发科技开发有限公司 Heating device of improved digestion sleeve and method
CN103307909A (en) * 2013-05-20 2013-09-18 无锡市金德盛节能设备有限公司 Sewage heat energy recovery system
CN103542740A (en) * 2013-10-30 2014-01-29 王建强 Heat exchange system having water pressure detecting function
CN103837017A (en) * 2013-12-19 2014-06-04 柳州市京阳节能科技研发有限公司 Efficient energy-saving anti-freezing accumulated-water standby tank

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103162403A (en) * 2013-03-11 2013-06-19 信发科技开发有限公司 Heating device of improved digestion sleeve and method
CN103162403B (en) * 2013-03-11 2015-05-06 信发科技开发有限公司 Heating device of improved digestion sleeve and method
CN103307909A (en) * 2013-05-20 2013-09-18 无锡市金德盛节能设备有限公司 Sewage heat energy recovery system
CN103307909B (en) * 2013-05-20 2016-02-03 无锡市金德盛节能设备有限公司 Waste water heat recovery system
CN103542740A (en) * 2013-10-30 2014-01-29 王建强 Heat exchange system having water pressure detecting function
CN103542740B (en) * 2013-10-30 2015-09-16 江阴市赛英电子有限公司 Heat exchange with the water pressure detection system of
CN103837017A (en) * 2013-12-19 2014-06-04 柳州市京阳节能科技研发有限公司 Efficient energy-saving anti-freezing accumulated-water standby tank
CN103837017B (en) * 2013-12-19 2016-01-20 柳州市京阳节能科技研发有限公司 Alternate energy efficient water tank antifreeze

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