CN2632579Y - Coal furnaces for producing hot air - Google Patents

Coal furnaces for producing hot air Download PDF

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Publication number
CN2632579Y
CN2632579Y CNU032139195U CN03213919U CN2632579Y CN 2632579 Y CN2632579 Y CN 2632579Y CN U032139195 U CNU032139195 U CN U032139195U CN 03213919 U CN03213919 U CN 03213919U CN 2632579 Y CN2632579 Y CN 2632579Y
Authority
CN
China
Prior art keywords
heat exchanger
coal
exchanger tube
control
temperature sensor
Prior art date
Application number
CNU032139195U
Other languages
Chinese (zh)
Inventor
朴海平
Original Assignee
朴海平
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 朴海平 filed Critical 朴海平
Priority to CNU032139195U priority Critical patent/CN2632579Y/en
Application granted granted Critical
Publication of CN2632579Y publication Critical patent/CN2632579Y/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H3/00—Air heaters having heat generating means
    • F24H3/02—Air heaters having heat generating means with forced circulation
    • F24H3/06—Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/067—Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using solid combustibles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/021—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves combustion-air circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H3/00—Air heaters having heat generating means
    • F24H3/02—Air heaters having heat generating means with forced circulation
    • F24H3/06—Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/08—Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
    • F24H3/088—Air heaters having heat generating means with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using solid combustibles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates, burners, or heating elements
    • F24H9/1854—Arrangement or mounting of grates, burners, or heating elements for air heaters
    • F24H9/189—Arrangement or mounting of grates, burners, or heating elements for air heaters solid combustible heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices or methods
    • F24H9/2064—Arrangement or mounting of control or safety devices or methods for air heaters
    • F24H9/2092—Arrangement or mounting of control or safety devices or methods for air heaters for heaters using solid combustibles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H2230/00—Solid fuel fired boiler

Abstract

The utility model relates to a hot air supply device, in particular to a coal-burning air heating furnace, which comprises a hearth, a heat exchanger and a control segment; the heat exchanger is formed by arranging a layered heat exchanger tube horizontally; a clapboard is arranged between the heat exchanger tube layers so as to form a reciprocating repetition structure; each heat exchanger tube is provided with a press-spring ash clean-out device which is clung to the inner wall of the heat exchanger tube; one end of the heat exchanger tube is arranged on a flywheel which is driven by a locker-arm link mechanism, the other end of the heat exchanger tube is a free end; a temperature sensor is arranged inside the heat exchanger, the outside of the furnace is provided with an ambient temperature sensor; the coal inlet channel of the hearth is provided with a grate sensor; the temperature signals from the temperature sensor, the ambient temperature sensor and the grate sensor are input to a singlechip of the control segment through an A/D converter of the control segment; the bottom of the hearth is provided with a deslagging device with a deslagging packing auger inside, and the deslagging device is communicated with a discharge nozzle. The utility model has the advantages that: the thermal efficiency is high, the ash cleaning effect is good, the deslagging is convenient, and the automatic control is realized, thereby the utility model is applicable for heat supply, and can be a drying heat source for various medium and low temperature materials.

Description

A kind of coal-fired hot-blast stove

Technical field

The utility model relates to the hot wind supply device, is specially a kind of coal-fired hot-blast stove.

Background technology

At present, coal-fired hot-blast stove mainly is made up of burner hearth and heat exchanger, and heat exchanger places the burner hearth top, and its flue mostly is vertical arrangement, and a plurality of flue outlets are linked to be a chimney, and its thermal losses is big, and coal consumption is big, wastes energy; The deashing of flue is manually to blow ash at a high speed with brush or with wind, and this dual mode deashing is all thorough inadequately, causes dust stratification more and more, influences radiating effect; Because gap, chain turning is bigger, fall in this gap for preventing slag, often add baffledly herein, it is short that baffle plate continues to be subjected to high temperature life, and hinder the normal operation of slag; The propelling of fire grate is by observe, judge that combustion case decides by rule of thumb manually that perhaps push away coal with time relay control, its precision is not enough, and people's judgment is had relatively high expectations from seeing burner; In addition, its deslagging function is relatively poor.

The utility model content

The purpose of this utility model is to provide that a kind of thermal efficiency height, ash-removal effect are good, residue-discharge convenience, the coal-fired hot-blast stove of control automatically.

The technical solution of the utility model is:

A kind of coal-fired hot-blast stove, have burner hearth, heat exchanger, control section, heat exchanger is formed by heat exchanger tube level, storied placement, back and forth be provided with dividing plate between the heat exchanger tube layer, form the reciprocation cycle structure, be provided with the compressed spring type dust remover in each heat exchanger tube, be close to the heat exchanger tube inwall, the one end is installed on the flywheel that is driven by rocker-arm link mechanism, and the other end is a free end.

Described dividing plate and flue wallboard are provided with the gap.

Be provided with the fire grate that is formed by connecting by the fire grate joint in the described burner hearth, the dull and stereotyped both sides on the fire grate joint stretch out, and the one side is extended along plane on the flat board, and opposite side extends along dull and stereotyped lower plane, stack into the plane mutually between the flat board of adjacent fire grate joint.

Establish the slag-draining device of deslagging hinge cage in described burner hearth bottom is installed, communicate with slag-drip opening.

Control section of the present utility model is core with the single-chip microcomputer, establish temperature sensor in the heat exchanger, the temperature signal that temperature sensor provides exports the single-chip microcomputer of control section to through the A/D converter of control section, sends instruction by single-chip microcomputer and blows to circulating fan; The body of heater outside is provided with environment temperature sensor, and the temperature signal that environment temperature sensor provides exports the single-chip microcomputer of control section to through the A/D converter of control section, sends instruction by single-chip microcomputer and carries out air blast to air blast; The coal channel place of advancing of burner hearth is provided with the fire grate sensor, and the temperature signal that the fire grate sensor provides exports the single-chip microcomputer of control section to through the A/D converter of control section, sends instruction by single-chip microcomputer and is pushed away the coal motor, pushes away coal.

The beneficial effects of the utility model are:

1. thermal efficiency height, deashing is convenient.Heat exchanger of the present utility model is the reciprocation cycle structure of heat exchanger tube level, storied placement, and the velocity of discharge of flue gas is slower, can more utilize flue gas heat; In addition, the utility model adopts the compressed spring type dust remover to be close to the heat exchanger tube inwall, and the one end is installed on the flywheel that is driven by rocker-arm link mechanism, and the other end is a free end, realizes online mechanical ash removing.

2. realize control automatically.Establish temperature sensor in the utility model heat exchanger, the temperature signal that temperature sensor provides exports single-chip microcomputer through A/D converter to digital form, thereby can directly send instruction by single-chip microcomputer and give circulating fan, blow, realize the automatic control of air-supply according to temperature in the heat exchanger; The body of heater outside is provided with environment temperature sensor, and the temperature signal that environment temperature sensor provides exports single-chip microcomputer through A/D converter to digital form, gives air blast thereby can directly send instruction according to environment temperature by single-chip microcomputer, realizes the automatic control of air blast; The coal channel place of advancing of burner hearth is provided with the fire grate sensor, the temperature signal that the fire grate sensor provides exports single-chip microcomputer through A/D converter to digital form, thereby can directly send instruction to pushing away the coal motor by single-chip microcomputer, realize pushing away the automatic control of coal according to coal-fired temperature.

3. make things convenient for deslagging.The utility model is provided with the slag-draining device of band deslagging hinge cage, places burner hearth bottom, communicates with slag-drip opening, and deslagging is effective.

4. the utility model is applicable to heat supply, heating, is particularly useful for growing seedlings, various greenhouses heating such as flowers, vegetables, and plants such as poultry, the domestic animal operation place of various required heating in one's power, can be used as various in, the oven dry thermal source of low temperature material.

Description of drawings

Fig. 1 is the utility model front view.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is fire grate joint shape of the present utility model and annexation schematic diagram.

The specific embodiment

Shown in Fig. 1～3, the utlity model has burner hearth 1, heat exchanger 2, control section, heat exchanger 2 places burner hearth 1 top, burner hearth 1 is provided with into coal channel 11 and by fire grate joint 15 fire grates that are formed by connecting 14, heat exchanger 2 is by heat exchanger tube 21 levels, storied placement forms, back and forth be provided with dividing plate 22 between the heat exchanger tube layer, form the reciprocation cycle structure, be provided with compressed spring type dust remover 23 in each heat exchanger tube 21, be close to the heat exchanger tube inwall, the one end is installed on the flywheel 25 that is driven by rocker-arm link mechanism 24, and the other end is a free end, dividing plate 22 is provided with the gap with flue wallboard 26, and the black dirt that compressed spring type dust remover 23 is gone out clearly falls into ash bucket thus; Flat board 151 both sides on the fire grate joint 15 stretch out, and the one side is extended along plane on the flat board, and opposite side extends along dull and stereotyped lower plane, stack into the plane mutually between the flat board 151 of adjacent fire grate joint 15, and slag stopped up chain when this structure prevented to turn effectively; Establish the slag-draining device 4 of deslagging hinge cage 41 in install burner hearth 1 bottom, communicate with slag-drip opening 42.

The control section of present embodiment is selected the fully-automatic coal-fired controller of ZMF-1 type of Korea S electronics firm for use, with the single-chip microcomputer is core, establish temperature sensor 27 in the heat exchanger 2, be connected to single-chip microcomputer through A/D converter, the body of heater outside is provided with environment temperature sensor 5, is connected to single-chip microcomputer through A/D converter, and burner hearth enters coal channel 11 places and is provided with the fire grate sensor 12 that inserts fire coal, be thermocouple, fire grate sensor 12 is connected to single-chip microcomputer through A/D converter.

The course of work of the present utility model is: fire coal is sent into burner hearth 1 from coal bunker 6, environment temperature sensor 5 detects environment temperature and is lower than uniform temperature (about 18 ℃), the temperature signal that environment temperature sensor 5 provides exports single-chip microcomputer through A/D converter to digital form, sending instruction by single-chip microcomputer carries out air blast for air blast 7, air blast 7 combustion-supporting down, make coal-fired fully burning, the temperature signal that fire grate sensor 12 provides is exported with digital form through A/D converter, send instruction to pushing away coal motor 13 by single-chip microcomputer, fire grate 14 advances, finish and push away coal, it can replace the manual observation combustion case, judges according to combustion case, finishes to push away coal, save manpower, realize control automatically; The temperature signal that temperature sensor 27 in the heat exchanger 2 provides, export single-chip microcomputer through A/D converter to digital form, when temperature sensor 27 detects in the heat exchanger uniform temperature, send instruction by single-chip microcomputer and give circulating fan 3, finish air-supply, cold air is discharged from hot-blast outlet after circulating fan 3, heat exchanger 2 are heated, and the high-temperature flue gas in the burner hearth 1 is upwards discharged from exhanst gas outlet 8 through heat exchanger 2.In addition, when slag produced, 43 operations of deslagging motor drove deslagging hinge cage 41 and rotate deslagging, guarantee smooth deslagging.

Claims (7)

1, a kind of coal-fired hot-blast stove, have burner hearth, heat exchanger, control section, it is characterized in that: heat exchanger (2) is formed by heat exchanger tube (21) level, storied placement, back and forth be provided with dividing plate (22) between the heat exchanger tube layer, form the reciprocation cycle structure, be provided with compressed spring type dust remover (23) in each heat exchanger tube (21), be close to the heat exchanger tube inwall, the one end is installed on the flywheel (25) that is driven by rocker-arm link mechanism (24), and the other end is a free end.
2, according to the described coal-fired hot-blast stove of claim 1, it is characterized in that: described dividing plate (22) is provided with the gap with flue wallboard (26).
3, according to the described coal-fired hot-blast stove of claim 1, it is characterized in that: be provided with the fire grate (14) that is formed by connecting by fire grate joint (15) in the described burner hearth (1), flat board (151) both sides on the fire grate joint (15) stretch out, the one side is extended along plane on the flat board, opposite side extends along dull and stereotyped lower plane, stacks into the plane mutually between the flat board (151) of adjacent fire grate joint (15).
4, according to the described coal-fired hot-blast stove of claim 1, it is characterized in that: establish the slag-draining device (4) of deslagging hinge cage (41) in install described burner hearth (1) bottom, communicate with slag-drip opening (42).
5, according to the described coal-fired hot-blast stove of claim 1, it is characterized in that: establish temperature sensor (27) in the described heat exchanger (2), the temperature signal that temperature sensor (27) provides exports the single-chip microcomputer of control section to through the A/D converter of control section.
6, according to the described coal-fired hot-blast stove of claim 1, it is characterized in that: the described body of heater outside is provided with environment temperature sensor (5), and the temperature signal that environment temperature sensor (5) provides exports the single-chip microcomputer of control section to through the A/D converter of control section.
7, according to the described coal-fired hot-blast stove of claim 1, it is characterized in that: the coal channel (11) that advances of described burner hearth (1) locates to be provided with fire grate sensor (12), and the temperature signal that fire grate sensor (12) provides exports the single-chip microcomputer of control section to through the A/D converter of control section.
CNU032139195U 2003-07-04 2003-07-04 Coal furnaces for producing hot air CN2632579Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU032139195U CN2632579Y (en) 2003-07-04 2003-07-04 Coal furnaces for producing hot air

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU032139195U CN2632579Y (en) 2003-07-04 2003-07-04 Coal furnaces for producing hot air
KR1020040051961A KR100555591B1 (en) 2003-07-04 2004-07-05 Automatic coal airheater

Publications (1)

Publication Number Publication Date
CN2632579Y true CN2632579Y (en) 2004-08-11

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Application Number Title Priority Date Filing Date
CNU032139195U CN2632579Y (en) 2003-07-04 2003-07-04 Coal furnaces for producing hot air

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CN (1) CN2632579Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019675A (en) * 2014-06-25 2014-09-03 镇江新晔网络科技有限公司 Temperature control system for smelter
CN106196592A (en) * 2016-05-18 2016-12-07 横县华能生物质燃料有限公司 A kind of biomass thermal furnace system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100594820B1 (en) * 2005-11-24 2006-07-03 박선우 Hot blast heater and its driving method
KR101222260B1 (en) * 2009-11-30 2013-01-16 김석원 A device which burns a fire
CN105333611A (en) * 2015-11-25 2016-02-17 山西广宇通科技股份有限公司 Briquette coal hot-blast furnace for producing humate
CN105928198A (en) * 2016-05-13 2016-09-07 新疆农业科学院农业机械化研究所 Combustion-velocity-controllable coal storage-gasification hot blast stove dedicated to greenhouse
CN110906538A (en) * 2019-12-04 2020-03-24 湖南省农友盛泰农业科技有限公司 Biomass hot blast stove and control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019675A (en) * 2014-06-25 2014-09-03 镇江新晔网络科技有限公司 Temperature control system for smelter
CN106196592A (en) * 2016-05-18 2016-12-07 横县华能生物质燃料有限公司 A kind of biomass thermal furnace system

Also Published As

Publication number Publication date
KR100555591B1 (en) 2006-03-03
KR20050004144A (en) 2005-01-12

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20130704

Granted publication date: 20040811