CN203384960U - Environment-friendly boiler with energy gathering and heat exchange functions - Google Patents

Environment-friendly boiler with energy gathering and heat exchange functions Download PDF

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Publication number
CN203384960U
CN203384960U CN201320414907.3U CN201320414907U CN203384960U CN 203384960 U CN203384960 U CN 203384960U CN 201320414907 U CN201320414907 U CN 201320414907U CN 203384960 U CN203384960 U CN 203384960U
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CN
China
Prior art keywords
boiler
windward
burner hearth
combustion chamber
chamber
Prior art date
Application number
CN201320414907.3U
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Chinese (zh)
Inventor
李雨田
王云飞
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李雨田
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Application filed by 李雨田 filed Critical 李雨田
Priority to CN201320414907.3U priority Critical patent/CN203384960U/en
Application granted granted Critical
Publication of CN203384960U publication Critical patent/CN203384960U/en

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Abstract

The utility model relates to an environment-friendly boiler with energy gathering and heat exchange functions. The boiler comprises a boiler body which comprises a furnace chamber and a secondary combustion chamber which is arranged above the furnace chamber and communicated with the furnace chamber; a heat exchanger is arranged on the furnace body; the rear wall of the secondary combustion chamber is a windward wall and forms a flame path with the rear wall of the furnace chamber at an interval; the rear wall of the boiler body and the windward wall form a flue; space which is formed by the rear wall of the furnace chamber, a left wall and a right wall of the boiler and the rear wall of the boiler and located below the windward wall is a dust settling chamber; and the flame path and the flue are communicated through the dust settling chamber to form a U-shaped channel. According to the environment-friendly boiler, in order to solve the smoke dust problem, the windward wall is arranged in front of the flue, the upper part of the windward wall and the top of the secondary combustion chamber are connected, the lower part of the windward wall is suspended, and the dust settling chamber is formed below the windward wall; and the flame path, the settling chamber and the flue form the U-shaped channel, ash mixed in the smoke can be settled in the settling chamber under the actions of wind power and gravity, and the discharge to the air is reduced.

Description

Energy collecting heat exchange type environment-protection boiler

Technical field

The utility model relates to a kind of boiler, specifically a kind of energy collecting heat exchange type environment-protection boiler.

Background technology

Boiler is a kind of energy conversion, and main outwards output has steam, high-temperature water or the organic heat carrier of certain heat energy, is widely applied in life and industrial production.Boiler divides a variety ofly on the market now, and weeds out the old and bring forth the new, and form structure differs.

From energy-conserving and environment-protective angle design boiler, be the general thinking of numerous kettleman author, how make value all burning and discharge of fuel, how to make gained heat energy farthest convert, how making to fire slag and flue dust and reduce, is all targets of every boiler design personnel struggle.In the market though this is had to more research and improvement, as second-time burning, gasification, and combustion, Double fire grate back-fire etc., all undesirable, all exist fire box temperature not high, fuel combustion is not saturating, the smoke discharge amount phenomenon such as exceed standard.

The utility model content

The purpose of this utility model be to provide a kind of can be complete fuel combustion, fire box temperature is high, greatly reduces soot emissions, the energy collecting heat exchange type environment-protection boiler of energy-conserving and environment-protective.

The purpose of this utility model is achieved in that

This energy collecting heat exchange type environment-protection boiler comprises body of heater, described body of heater comprises burner hearth and the secondary combustion chamber communicated with it above burner hearth, be provided with heat exchanger on body of heater, after described secondary combustion chamber, wall is wall windward, form quirk with burner hearth Hou Qiang interval, wall and form windward flue between wall after body of heater, the space that after wall, body of heater left and right wall and body of heater, wall forms after wall bottom windward is by burner hearth is the ash fall chamber, described quirk and flue communicate by the ash fall chamber, form the U-shaped passage.

Described heat exchanger is columnar structured, inside is divided into upper and lower two chambeies with the half dividing plate, two chambeies are provided with the heat-exchanging tube bundle of equal number, an end in the heat exchanger outside arranges a smoke-returning box, and the upper and lower cavity tube bank is communicated, and the tube bank of other end cavity of resorption communicates with flue, the epicoele tube bank communicates with smoke exhaust pipe, cavity of resorption at heat exchanger is provided with outlet pipe by bending tubes end, at epicoele, by the smoke evacuation pipe end, is provided with water inlet pipe, and the other end is provided with Chang Kaiguan and communicates with water tank.

This boiler also is provided with to wind apparatus, the secondary combustion chamber side wall with on rear wall, be equipped with and the air vent be connected to wind apparatus.

Described is an airduct, secondary air channel, the tertiary-air pipe be connected with air blast to wind apparatus; One time airduct is connected with burner hearth, secondary air channel is connected with secondary combustion chamber side wall twice aeration mouth, tertiary-air pipe be arranged on secondary combustion chamber after air trunk one end within the walls be connected, described air trunk lower than burner hearth after the wall height, air trunk wall quirk one side after secondary combustion chamber arranges a plurality of three ventilating openings.

The utlity model has following advantage:

1, the utility model is in order to solve the fuel combustion problem, " stove " and " pot " minute is arranged, burner hearth is only the use of combustion fuel, does not establish any heat sink, so in burner hearth, temperature can continue to raise, higher temperature can make all combustible species completing combustion or gasification, reduced the output of slag, recycling secondary, three supplemental oxygen, make the further completing combustion of fuel gas and carbon granule, discharge all energy accumulatings, wait for heat exchange.

2, the utility model, in order to solve heat transfer problem, utilizes the heat conduction principle, takes the heat exchanger of special construction.With the half dividing plate being divided into the tube bank that equal number is set in the two ,Liang chambeies, chamber up and down that an end communicates in heat exchanger.The heat energy that burning produces first enters from the cavity of resorption tube bank, from the other end smoke-returning box of heat exchanger, forwards the epicoele tube bank to, finally from chimney, discharges.Increased the heat exchange path.Water inlet is located to epicoele smoke end, delivery port is located to the cavity of resorption bending tubes end, low temperature water quality enters heat exchanger from epicoele smoke end, through the dividing plate fracture, enters cavity of resorption, from entering hot junction, discharges, and guarantees the heat energy convective exchange.Greatly improved heat exchanger effectiveness.

3, the utility model reduces the flue dust problem in order to solve, and is provided with wall windward before flue, and wall top is connected with the secondary combustion chamber top windward, and bottom is unsettled is expansion chamber.Quirk, expansion chamber, flue form the U-shaped passage, and under the effect of wind-force and gravity, the ash content be mixed in flue gas can be deposited in expansion chamber, has reduced the discharge to atmosphere.

4, the applicable fuel of the utility model is very extensive, not only can burn lump coal, fine coal, moulded coal, gangue etc., and the briquetting stalk that can also burn, peanut shell, and waste old etc., free from environmental pollution equally.

The accompanying drawing explanation

Fig. 1 is the utility model overall structure schematic diagram;

A-A that Fig. 2 is the utility model accompanying drawing 1 is to cutaway view;

B-B that Fig. 3 is the utility model accompanying drawing 2 is to cutaway view;

C-C that Fig. 4 is the utility model accompanying drawing 2 is to cutaway view;

D-D that Fig. 5 is the utility model accompanying drawing 4 is to cutaway view;

In figure: the 1st, fire door, the 2nd, the burner hearth shoot door, the 3rd, the expansion chamber shoot door, the 4th, fire grate, the 5th, burner hearth, the 6th, air blast, 7 is airducts, the 8th, secondary air channel, the 9th, tertiary-air pipe, the 10th, heat exchanger, the 11st, the tube bank of heat exchanger epicoele, the 12nd, the tube bank of heat exchanger cavity of resorption, 13 dividing plates, the 14th, water inlet pipe, the 15th, Chang Kaiguan, the 16th, outlet pipe, 17 secondary combustion chambers, 18 twice aeration mouths, 19 smoke-returning box, the 20th, the smoke evacuation cylinder, the 21st, flue, the 22nd, wall windward, 23 is three ventilating openings, the 24th, quirk, the 25th, expansion chamber, lead fire hole 26.

The specific embodiment

This boiler comprises burner hearth 5, be arranged on above burner hearth 5 and the secondary combustion chamber 17 communicated with it by leading fire hole 26, burner hearth 5 communicates by leading fire hole 26 with secondary combustion chamber 17, be provided with heat exchanger 10 on secondary combustion chamber 17, this boiler also is provided with to wind apparatus, secondary combustion chamber 17 side walls and secondary on rear wall and three air vents with to wind apparatus, be connected.Described is an airduct 7, secondary air channel 8, the tertiary-air pipe 9 be connected with air blast to wind apparatus.

The utility model adopts refractory brick, refractory cement and fire grate 4, fire door 1, shoot door 2 to erect burner hearth 5, burner hearth 5 tops are arch, reserve and lead fire hole 26 at burner hearth 5 tops, build out again a secondary combustion chamber 17 on burner hearth, secondary combustion chamber 17 front walls and left and right wall are concordant with burner hearth 5, and leaving circular twice aeration mouth 18 at a side side wall, rear wall is wall 22 windward, with burner hearth 5 Hou Qiang intervals, forms quirks 2.Wall 22 upper ends are concordant with secondary combustion chamber 17 ceilings windward, certain distance is left on lower end and ground, port as quirk 24 with flue 21, on 22 li, wall windward, lower than the rear wall At The Height of burner hearth 5, bury an air trunk, air trunk one end is connected with tertiary-air pipe 9, and the vertical ventilation house steward reserves a plurality of three ventilating opening 23(as accompanying drawing 5 in quirk one side).Wall after the rear certain distance of wall 22 is windward built body of heater, its with windward between wall 22 every formation flue 21.Burner hearth 5 both sides bodies of wall extend back and are connected with wall after body of heater, form base of furnace body.Windward wall 22 bottoms by burner hearth after the space that forms of wall, body of heater left and right wall and rear wall be that ash fall chamber 25, one sides are provided with shoot door 3.

Heat exchanger 10 laterally is placed on the secondary combustion chamber 17 of base of furnace body, and heat exchanger 10 is columnar structured, and inside is divided into half dividing plate 13 heat-exchanging tube bundle that upper and lower two ,Liang chambeies, chamber are provided with equal number.An end in heat exchanger 10 outsides arranges a smoke-returning box 19, and the upper and lower cavity tube bank is communicated, and other end cavity of resorption tube bank 12 communicates with flue 21, and epicoele tube bank 11 communicates with smoke exhaust pipe 20.And be provided with outlet pipe 16 at the cavity of resorption of heat exchanger 10 by bending tubes end, and being provided with water inlet pipe 14 at epicoele by the smoke evacuation end, the other end is provided with Chang Kaiguan 15 and communicates with water tank.

Fuel is inserted burner hearth 5 from fire door 1, through an airduct 7 at the interior high-temp combustion of burner hearth 5, heat energy, gas, flue dust that burning produces enter secondary combustion chamber 17 by thermal hole 26, at this, by twice aeration mouth 18 supplemental oxygen, further burnt, collect heat energy, together flow to quirk 24, then by three ventilating opening 23 oxygenating burnings, now all fuel gas and the carbon granule heat release of almost all burning, heat energy is assembled and is peaked.Hot-fluid is being mingled with dust under the obstruct of wall 22 windward, backspin effect, can drop to expansion chamber 25, and the hot gas of purification enters the cavity of resorption tube bank 12 of heat exchanger 10 by flue 21, enter epicoele tube bank 11 via smoke-returning box 19 and discharge to smoke exhaust pipe 20.Heat energy carries out heat exchange after entering tube bank, and temperature reduces gradually, and now the water quality of low temperature is entered by the water inlet pipe 14 of the smoke end of epicoele, and the outlet pipe 16 that flows to the cavity of resorption bending tubes end through dividing plate 13 breach is discharged, and forms heat convection, and heat exchange efficiency can reach the best.

The utility model is simple in structure, builds conveniently.Due to burner hearth only for fuel combustion, do not establish any heat-absorbing water pipe, therefore temperature is very high, can be the whole after-flames of combustible, then by secondary, three ventilation oxygen supplys, make the heat release of further burning of the fuel gas that volatilizes and carbon granule, assemble heat energy, then by the heat exchanger conversion heat of special tectonic, realize the fuel that less input, the heat of output maximum, thus very energy-conservation.Due to this stove sufficient combustion, be provided with wall windward before flue again, can make the ash content be mixed in flue gas settle down, therefore, both reduced the output of combustion slag, reduce again the discharge capacity of flue dust, reached the purpose of environmental protection simultaneously.

The utility model all embodies best Design Conception from structure and principle, fully burning before this, and focused energy, then effectively heat exchange, improve Hot swapping efficiency, and device for reducing dust is set simultaneously, reduces pollution emissions.Therefore the utility model has reached the purpose of energy-conserving and environment-protective really.

The above is only better embodiment of the present utility model, and the equivalence of doing according to the described structure of the utility model patent claim, feature and principle therefore all changes or modifies, and is included in the utility model patent claim.

Claims (4)

1. an energy collecting heat exchange type environment-protection boiler, it is characterized in that: this boiler comprises body of heater, described body of heater comprises burner hearth and the secondary combustion chamber communicated with it above burner hearth, be provided with heat exchanger on body of heater, after described secondary combustion chamber, wall is wall windward, form quirk with burner hearth Hou Qiang interval, wall and form windward flue between wall after body of heater, the space that after wall, body of heater left and right wall and body of heater, wall forms after wall bottom windward is by burner hearth is the ash fall chamber, described quirk and flue communicate by the ash fall chamber, form the U-shaped passage.
2. energy collecting heat exchange type environment-protection boiler according to claim 1, it is characterized in that: described heat exchanger is columnar structured, inside is divided into upper and lower two chambeies with the half dividing plate, two chambeies are provided with the heat-exchanging tube bundle of equal number, an end in the heat exchanger outside arranges a smoke-returning box, the upper and lower cavity tube bank is communicated, the tube bank of other end cavity of resorption communicates with flue, the epicoele tube bank communicates with smoke exhaust pipe, cavity of resorption at heat exchanger is provided with outlet pipe by bending tubes end, be provided with water inlet pipe at epicoele by the smoke evacuation pipe end, the other end is provided with Chang Kaiguan and communicates with water tank.
3. energy collecting heat exchange type environment-protection boiler according to claim 1 and 2, it is characterized in that: this boiler also is provided with to wind apparatus, the secondary combustion chamber side wall with on rear wall, be equipped with and the air vent be connected to wind apparatus.
4. energy collecting heat exchange type environment-protection boiler according to claim 3 is characterized in that: described to wind apparatus an airduct, secondary air channel, the tertiary-air pipe for being connected with air blast; One time airduct is connected with burner hearth, secondary air channel is connected with secondary combustion chamber side wall twice aeration mouth, tertiary-air pipe be arranged on secondary combustion chamber after air trunk one end within the walls be connected, described air trunk lower than burner hearth after the wall height, air trunk wall quirk one side after secondary combustion chamber arranges a plurality of three ventilating openings.
CN201320414907.3U 2013-07-12 2013-07-12 Environment-friendly boiler with energy gathering and heat exchange functions CN203384960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320414907.3U CN203384960U (en) 2013-07-12 2013-07-12 Environment-friendly boiler with energy gathering and heat exchange functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320414907.3U CN203384960U (en) 2013-07-12 2013-07-12 Environment-friendly boiler with energy gathering and heat exchange functions

Publications (1)

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CN203384960U true CN203384960U (en) 2014-01-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279548A (en) * 2013-07-12 2015-01-14 李雨田 Energy-collecting heat exchange environment-friendly boiler
CN104534455A (en) * 2014-12-29 2015-04-22 南京春晓农机有限公司 Biomass combustion equipment
CN107345655A (en) * 2016-05-04 2017-11-14 营口恒锐锅炉制造有限公司 A kind of multiple-energy-source intelligent boiler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279548A (en) * 2013-07-12 2015-01-14 李雨田 Energy-collecting heat exchange environment-friendly boiler
CN104534455A (en) * 2014-12-29 2015-04-22 南京春晓农机有限公司 Biomass combustion equipment
CN107345655A (en) * 2016-05-04 2017-11-14 营口恒锐锅炉制造有限公司 A kind of multiple-energy-source intelligent boiler

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