CN106594773A - Recovery type coal-fired boiler - Google Patents

Recovery type coal-fired boiler Download PDF

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Publication number
CN106594773A
CN106594773A CN201611026657.0A CN201611026657A CN106594773A CN 106594773 A CN106594773 A CN 106594773A CN 201611026657 A CN201611026657 A CN 201611026657A CN 106594773 A CN106594773 A CN 106594773A
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CN
China
Prior art keywords
boiler
coal
spiral shape
flue dust
pipe
Prior art date
Application number
CN201611026657.0A
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Chinese (zh)
Other versions
CN106594773B (en
Inventor
唐利
Original Assignee
重庆代发铸造有限公司
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Priority to CN201611026657.0A priority Critical patent/CN106594773B/en
Publication of CN106594773A publication Critical patent/CN106594773A/en
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Publication of CN106594773B publication Critical patent/CN106594773B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00Intercepting solids
    • F23J2217/60Intercepting solids using settling/precipitation chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/11001Conducting systems with a gas flow bypass from main flue to an auxiliary flue

Abstract

The invention provides a recovery type coal-fired boiler, and relates to the field of boilers. The recovery type coal-fired boiler comprises a boiler body, and further comprises a supporting frame and a pulverized coal recovery tank. Through bridge joint of the supporting frame, a spatial helicoid smoke dust settling tube is wound around the boiler body, the upper end of the spatial helicoid smoke dust settling tube communicates with the upper end of the boiler body, and two branch tubes distributed in a Y shape are arranged at the lower end of the spatial helicoid smoke dust settling tube. One of the two branch tubes is a slag outlet tube communicating with the pulverized coal recovery tank, and the other one is a smoke outlet tube connected to a purifying device. A one-way valve is arranged at the joint between the spatial helicoid smoke dust settling tube and the boiler body. Compared with a conventional coal-fired boiler, the recovery type coal-fired boiler adopting the scheme can achieve the function of recycling and protecting environment .

Description

A kind of reclaiming type coal-burning boiler

Technical field

The present invention relates to a kind of boiler, more particularly to a kind of reclaiming type coal-burning boiler.

Background technology

The energy waste phenomenon of the coal-burning boiler of prior art, particularly Industrial Boiler is extremely serious.The energy knot of China Based on coal, the industry coal-boiler having a large capacity and a wide range will consume substantial amounts of coal to structure, and the most structure list of existing coal-burning boiler One, tail gas enters from top to bottom purifier by pipeline, and the setting of such pipeline easily causes coal dust deposit buildup in tail gas In the interface of connection purifier, the obstruction of pipeline is easily caused, tail gas circulation is obstructed, and flue blocks and boiler can be transported Row produces great inhibition, causes serious economic loss.

The content of the invention

It is an object of the invention to provide a kind of reclaiming type coal-burning boiler of energy-conserving and environment-protective.

To reach above-mentioned purpose, the technical scheme is that:A kind of reclaiming type coal-burning boiler, including boiler body, also Including bracing frame, the flue dust sedimentation pipe in spatially spiral shape, check valve and coal dust accumulator tank, the side that support frame as described above passes through bridge joint Formula makes the flue dust sedimentation pipe in spatially spiral shape be wrapped in outside boiler body, the flue dust sedimentation pipe upper end in spatially spiral shape Communicate with boiler body upper end, the flue dust sedimentation pipe lower end in spatially spiral shape is provided with the arm of two Y-shaped distributions, one Individual is the residue outlet communicated with coal dust accumulator tank, and another is the pipe for being connected to purifier;The check valve is located at and is in The flue dust sedimentation pipe of spatially spiral shape and the junction of boiler body.

The invention has the beneficial effects as follows:The flue dust sedimentation pipe in spatially spiral shape is wound with outside boiler body, bracing frame is used To fix chimney, the flue dust sedimentation pipe in spatially spiral shape and boiler body are communicated, the flue dust sedimentation pipe in spatially spiral shape Two arms of the Y-shaped distribution in lower end, two arms are respectively the residue outlet that communicates with coal dust accumulator tank and are connected to purifier Pipe, it is such be provided with beneficial to boiler exhaust gas by spatially spiral shape flue dust sedimentation pipe when precipitate coal dust, Coal dust is collected by residue outlet to coal dust accumulator tank, and coal dust is recycled afterwards, and the tail gas after precipitation is from pipe Purifier is entered into, so fuel is also saved while environmental protection is carried out, the effect of recyclable fuel is realized, is in The check valve that the flue dust sedimentation pipe upper end of spatially spiral shape is arranged where being connected with boiler body is conducive to entering tail gas Will not be back in boiler body after flue dust sedimentation pipe in spatially spiral shape.Pass through can tail gas by the setting of this structure Flue dust sedimentation pipe into spatially spiral shape is settled, and coal dust enters subsider by residue outlet, and tail gas is entered by pipe Purifier, does not result in the obstruction to pipeline, and tail gas stream can be kept unobstructed logical, and can recycle fuel.

Further, by many curved pipes, from top to bottom helical arrangement is constituted the flue dust sedimentation pipe in spatially spiral shape, Two neighboring curved pipe is connected by ring flange, and the pipe and residue outlet are located at the flue dust in spatially spiral shape of least significant end On sedimentation pipe.

Connected by ring flange, contribute to dismantle convenient when cleaning maintenance is needed.

Further, the coal dust accumulator tank is provided with filler away from one end of residue outlet.

Filler is provided with one end away from residue outlet of coal dust accumulator tank, the setting of filler can be by adding water to heavy The coal dust for forming sediment plays humidification when discharging residue outlet so that coal dust will not be blown away by boiler exhaust gas.

Further, support frame as described above one end is bridged on ring flange, and the support frame as described above other end is supportted on ground.

Bracing frame one end is supported on ground one end other end and carries out to the flue dust sedimentation pipe junction method in spatially spiral shape The support of blue disk, can so realize the more firm fixation entirely flue dust sedimentation pipe in spatially spiral shape.

Further, the residue outlet and horizontal plane angle are 46 degree to 90 degree.

Residue outlet and horizontal plane angle 46 to 90 are spent, and more than the angle of angle of repose, coal dust can be made to enter into coal faster In powder accumulator tank, more stops will not be done in the flue dust sedimentation pipe in spatially spiral shape, it is to avoid coal dust excessively make by accumulation Into obstruction.

Description of the drawings

Fig. 1 is a kind of structural representation of reclaiming type coal-burning boiler embodiment of the invention;

Fig. 2 is a kind of sectional view of reclaiming type coal-burning boiler boiler body of the invention.

Specific embodiment

Reference:Boiler body 1, pipe 2, the flue dust sedimentation pipe 3 in spatially spiral shape, ring flange 4, coal dust is reclaimed Groove 5, check valve 6, filler 7, residue outlet 8, bracing frame 9, interior stove 10, push pedal 11, furnace chamber 12, hydraulic cylinder 13.

Embodiment:A kind of reclaiming type coal-burning boiler, including boiler body 1 as shown in Figure 1 is also including bracing frame 9, in space Spiral flue dust sedimentation pipe 3, check valve 6 and coal dust accumulator tank 5, bracing frame 9 is made in spatially spiral shape by way of bridge joint Flue dust sedimentation pipe 3 be wrapped in outside boiler body 1, the upper end of flue dust sedimentation pipe 3 in spatially spiral shape and the upper end phase of boiler body 1 Logical, the lower end of flue dust sedimentation pipe 3 in spatially spiral shape is provided with the arm of two Y-shaped distributions, and one is and the phase of coal dust accumulator tank 5 Logical residue outlet 8, another is the pipe 2 for being connected to purifier;Check valve 6 is located at the sedimentation of the flue dust in spatially spiral shape The junction of pipe 3 and boiler body 1, the flue dust sedimentation pipe 3 in spatially spiral shape is by many curved pipes helical arrangement from top to bottom Composition, two neighboring curved pipe connected by ring flange 4, pipe 2 and residue outlet 8 be located at least significant end in spatially spiral shape On flue dust sedimentation pipe 3, coal dust accumulator tank 5 is provided with filler 7 away from one end of residue outlet 8, and the one end of bracing frame 9 is bridged on ring flange On 4, the other end of bracing frame 9 is supported on the ground, and residue outlet 8 and horizontal plane angle are 46 degree to 90 degree.

As shown in Fig. 2 also including interior stove 10 in boiler body 1, hydraulic cylinder is installed between boiler body 1 and interior stove 10 13, the one end of hydraulic cylinder 13 connects push pedal 11 in interior stove 10 by interior stove 10, and hydraulic cylinder 13 is connected to controlling organization.

Using method:

When boiler comes into operation, in placing fuel into furnace chamber 12, fuel is lighted, is when needing to adjust boiler temperature, it is only necessary to Hydraulic cylinder 13 is controlled by controlling organization and promotes push pedal 11, when higher temperature is needed, push pedal 11 is pulled to into the wall direction of interior stove 10, Control coal and the contact area of air, make more coals and air contact, raise the more vigorous boiler temperature of fuel combustion.When When needing lower temperature, control push pedal 11 makes coal diminish with the contact area of air, and now, more dumps are stacked, few Part coal and air contact, reduce fuel economy, and boiler temperature is reduced.And can be with during push pedal 11 is slippaged The cinder of furnace wall is cleared up.

Because tail gas is ascending motion, bracing frame 9 by way of bridge joint twines the flue dust sedimentation pipe 3 in spatially spiral shape It is wound on outside boiler body 1, the upper end of flue dust sedimentation pipe 3 in spatially spiral shape and the upper end of boiler body 1 communicate, tail gas is entered in sky Between spiral flue dust sedimentation pipe 3, the lower end of flue dust sedimentation pipe 3 in spatially spiral shape it is Y-shaped distribution two arms, two arms The residue outlet 8 for respectively communicating with coal dust accumulator tank 5 and the pipe 2 for being connected to purifier, tail gas is by spatially spiral Coal dust is precipitated during the flue dust sedimentation pipe 3 of shape, when tail gas reaches Y type openings, due to residue outlet 8 and the folder of horizontal plane Angle between 46 degree to 90 degree, so, the coal dust after precipitation more rapidly can reach coal dust accumulator tank 5 by residue outlet 8, Will not accumulate in the flue dust sedimentation pipe 3 in spatially spiral shape.

And tail gas is then entered in purifier by pipe 2, coal dust accumulator tank 5 arranges filler 7, is going out coal dust When add water, coal dust can be made to become moistening will not be subject to the impact of strong wind to blow out coal dust accumulator tank 5, the cigarette in spatially spiral shape The junction of dirt sedimentation pipe 3 and boiler body 1 is provided with check valve 6, and tail gas is entered after the flue dust sedimentation pipe 3 in spatially spiral shape not Can be back in boiler body 1.Connection flue dust sedimentation pipe 3 of the composition in spatially spiral shape that many curved pipes pass through ring flange 4, Also it is more convenient for assembling while convenient dismounting, bracing frame 9 will the flue dust sedimentation pipe 3 in spatially spiral shape by pivot flange disk 4 It is fixed on outside boiler body 1.

Above-described is only embodiments of the invention, and the general knowledge here such as known concrete structure and characteristic is not made in scheme Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, can be with Go out some deformations and improvement, these should also be considered as protection scope of the present invention, these are all without the effect for affecting the present invention to implement Fruit and practical applicability.This application claims protection domain should be defined by the content of its claim, the tool in specification Body embodiment etc. records the content that can be used for explaining claim.

Claims (5)

1. a kind of reclaiming type coal-burning boiler, including boiler body(1), it is characterised in that also including bracing frame(9), in space spiral shell The flue dust sedimentation pipe of rotation shape(3), check valve(6)And coal dust accumulator tank(5), support frame as described above(9)Made by way of bridge joint be in The flue dust sedimentation pipe of spatially spiral shape(3)It is wrapped in boiler body(1)Outward, the flue dust sedimentation pipe in spatially spiral shape(3) Upper end and boiler body(1)Upper end communicates, the flue dust sedimentation pipe in spatially spiral shape(3)Lower end is provided with two Y-shaped point The arm of cloth, one is and coal dust accumulator tank(5)The residue outlet for communicating(8), another is the pipe for being connected to purifier (2);The check valve(6)It is located at the flue dust sedimentation pipe in spatially spiral shape(3)And boiler body(1)Junction.
2. a kind of reclaiming type coal-burning boiler according to claim 1, it is characterised in that the flue dust in spatially spiral shape Sedimentation pipe(3)By many curved pipes, from top to bottom helical arrangement is constituted, and two neighboring curved pipe passes through ring flange(4)Connection, institute State pipe(2)And residue outlet(8)It is located at the flue dust sedimentation pipe in spatially spiral shape of least significant end(3)On.
3. a kind of reclaiming type coal-burning boiler according to claim 1, it is characterised in that the coal dust accumulator tank(5)Away from Residue outlet(8)One end be provided with filler(7).
4. a kind of reclaiming type coal-burning boiler according to claim 1 and 2, it is characterised in that support frame as described above(9)One end-rack It is connected on ring flange(4)On, support frame as described above(9)The other end is supported on the ground.
5. a kind of reclaiming type coal-burning boiler according to claim 1, it is characterised in that the residue outlet(8)And horizontal plane Angle is 46 degree to 90 degree.
CN201611026657.0A 2016-11-22 2016-11-22 A kind of reclaiming type coal-burning boiler CN106594773B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611026657.0A CN106594773B (en) 2016-11-22 2016-11-22 A kind of reclaiming type coal-burning boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611026657.0A CN106594773B (en) 2016-11-22 2016-11-22 A kind of reclaiming type coal-burning boiler

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CN106594773A true CN106594773A (en) 2017-04-26
CN106594773B CN106594773B (en) 2018-09-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2450528Y (en) * 2000-11-03 2001-09-26 刘柱 Soot desulfurizing dust-collector for boiler
CN1710328A (en) * 2005-07-01 2005-12-21 煤炭科学研究总院北京煤化工研究分院 Medium and small sized industrial pulverized-coal fired boiler
US20100037835A1 (en) * 2008-02-26 2010-02-18 Ex-Tar Technologies Direct contact rotating steam generator using low quality water with zero liquid discharge
CN201578941U (en) * 2010-01-07 2010-09-15 华北电力科学研究院有限责任公司 Flue gas dust removing device and flue gas oxygen content measuring system
CN203628629U (en) * 2013-08-14 2014-06-04 温继翰 Coal saving device for coal burning boiler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2450528Y (en) * 2000-11-03 2001-09-26 刘柱 Soot desulfurizing dust-collector for boiler
CN1710328A (en) * 2005-07-01 2005-12-21 煤炭科学研究总院北京煤化工研究分院 Medium and small sized industrial pulverized-coal fired boiler
US20100037835A1 (en) * 2008-02-26 2010-02-18 Ex-Tar Technologies Direct contact rotating steam generator using low quality water with zero liquid discharge
CN201578941U (en) * 2010-01-07 2010-09-15 华北电力科学研究院有限责任公司 Flue gas dust removing device and flue gas oxygen content measuring system
CN203628629U (en) * 2013-08-14 2014-06-04 温继翰 Coal saving device for coal burning boiler

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Effective date of registration: 20191126

Address after: 343800 78 Tulong, kuobu village, Baijia Town, Wan'an County, Ji'an City, Jiangxi Province

Patentee after: Yan Guang

Address before: 401525 Chongqing Hechuan Qingping town of Lingchuan

Patentee before: Chongqing Daifa Casting Co., Ltd.

TR01 Transfer of patent right
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Effective date of registration: 20191210

Address after: 239000 Wuyi Park, Nanqiao Industrial Development Zone, Chuzhou City, Anhui Province (within Chuzhou Dibang Technology Co., Ltd.)

Patentee after: Anhui Daxinlong New Material Technology Co., Ltd.

Address before: 343800 78 Tulong, kuobu village, Baijia Town, Wan'an County, Ji'an City, Jiangxi Province

Patentee before: Yan Guang