CN103822357A - Horizontal pulverized coal organic heat carrier boiler - Google Patents
Horizontal pulverized coal organic heat carrier boiler Download PDFInfo
- Publication number
- CN103822357A CN103822357A CN201410110151.2A CN201410110151A CN103822357A CN 103822357 A CN103822357 A CN 103822357A CN 201410110151 A CN201410110151 A CN 201410110151A CN 103822357 A CN103822357 A CN 103822357A
- Authority
- CN
- China
- Prior art keywords
- boiler
- convection current
- bundle
- heat carrier
- organic heat
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Images
Abstract
The invention relates to the field of boilers, in particular to a horizontal pulverized coal organic heat carrier boiler. The horizontal pulverized coal organic heat carrier boiler comprises a boiler body, a base and at least one combustor. A burnout chamber composed of a radiation segment coiler and a roof tube and provided with a downward opening is arranged in the boiler body. The lower portion of the boiler body is fixedly connected with the base. At least one temperature sensor is arranged in a hearth and a combustor interface is arranged in one side of a combustion chamber. The upper portion of the side, opposite to the combustor interface, of the burnout chamber is provided with a smoke outlet. The combustor is arranged at the combustor interface and communicated with the hearth. An ignition device is arranged on the combustor. According to the horizontal pulverized coal organic heat carrier boiler, the temperature sensor is arranged in the hearth and used for feeding the temperature in the hearth back at any time, so that the fire power of the combustor can be regulated in time according to the temperature variation in the hearth and the temperature of soot particles in the smoke is controlled to be lower than the ash fusion point before the soot particles are in contact with a wall face of the hearth and a wall face of a heated pipeline. The probability of coking of the wall face of the hearth and the wall face of the heated pipeline is reduced.
Description
Technical field
The present invention relates to field of boilers, in particular to the horizontal coal dust boiler of organic heat carrier of one.
Background technology
Boiler is a kind of energy conversion, have the form such as heat energy of chemical energy in fuel, electric energy, high-temperature flue gas, and through boiler conversion, outwards output has steam, high-temperature water or the organic heat carrier of certain heat energy to the energy of boiler input.
The groundwork principle of boiler is: utilize the waste heat in heat energy or the industrial production discharging after fuel combustion to pass to water or the organic heat carrier in container, make water or organic heat carrier reach the heat power equipment of needed temperature or certain pressure steam.
Be categorized as coal-burning boiler, oil burning boiler and gas fired-boiler and pulverized-coal fired boiler etc. by boiler with fuel type.
Coal dust firing is one of high performance clean burning mode of coal, and its efficiency of combustion can reach more than 96%, is a ripe combustion technology, on large-sized station boiler and part Industrial Boiler, is applied.
In existing pulverized-coal fired boiler, burning is controlled bad, and efficiency of combustion is lower, and can not well control the temperature in burner hearth, furnace temperature is too high, and the soot particle in flue gas touches on the wall of boiler furnace and heating surface piping, easily coking on the wall of cooling rear boiler furnace and heating surface piping.
Summary of the invention
The object of the present invention is to provide a kind of horizontal coal dust boiler of organic heat carrier, to solve the above problems.
A kind of horizontal coal dust boiler of organic heat carrier is provided in an embodiment of the present invention, has comprised boiler body, base and at least one burner;
In boiler body, be provided with the burning chamber by radiant coils and roof tube module composition that Open Side Down;
On the sidewall of burning chamber and top is provided with light boiler setting;
Boiler body below is fixedly connected with base;
On base, be provided with combustion chamber, after combustion chamber and burning chamber are oppositely arranged, its inner common burner hearth that forms;
In burner hearth, be provided with at least one temperature sensor, a side of combustion chamber is provided with burner interface, and the top of burning chamber's side relative with burner interface is provided with outlet flue;
Burner is arranged on burner interface, communicates with burner hearth;
On burner, be provided with igniter;
Roof tube assembly is arranged on the top of burning chamber;
The below of roof tube assembly near one end of burner interface be provided with horizontal multilayer spiral arrange radiant coils;
Roof tube assembly is provided with radiation area intermediate header near a side of burner interface;
The below of roof tube assembly has been horizontally disposed with high temperature convection current coiler bundle and low temperature convection current coiler bundle near one end of outlet flue, and the axis of the axis of high temperature convection current coiler bundle and low temperature convection current coiler bundle is all vertical with the axis of outlet flue;
One side of the below of high temperature convection current coiler bundle and low temperature convection current coiler bundle is provided with convective region intermediate header;
Also be provided with organic heat carrier import header and organic heat carrier outlet header, organic heat carrier import header and organic heat carrier outlet header are by boiler body and external relation;
Organic heat carrier import header, low temperature convection current coiler bundle, high temperature convection current coiler bundle, convective region intermediate header, radiant coils, radiation area intermediate header, roof tube assembly are connected successively with organic heat carrier outlet header.
Further, between the region at low temperature convection current coiler bundle and high temperature convection current coiler bundle place and burner hearth, be provided with rear arch;
Rear arch is arranged on base, makes flue gas in burner hearth can only be introduced into the low temperature convective region that enters again low temperature convection current coiler bundle place after the high temperature convective region at high temperature convection current coiler bundle place.
Further, between low temperature convection current coiler bundle and high temperature convection current coiler bundle, be provided with brick baffle;
Brick baffle and low temperature convection current coiler bundle parallel device, and be arranged on boiler body.
Further, on base, be provided with ash dropping hopper;
On ash dropping hopper, be provided with multiple ash ports along burner flame burning direction.
Further, each ash port below is provided with automatic dust discharge valve.
Further, automatic dust discharge valve below is provided with conveyer.
Further, horizontal coal dust boiler of organic heat carrier also comprises soot blower for boiler hearth and convection current soot blower;
Soot blower for boiler hearth is arranged on the outside of base, and in the bottom of burner interface, is communicated with burner hearth;
Convection current soot blower is arranged on boiler body, respectively with the channel connection of high temperature convection current coiler bundle and low temperature convection current coiler bundle.
Further, a combustion chamber side relative with burner interface is provided with explosion proof door;
On outlet flue, be provided with boiler export flue, on boiler export flue, be provided with explosion proof door.
Further, outlet flue is connected with waste heat boiler by boiler export flue; On waste heat boiler, be provided with soot blower and shoot door.
Further, on the sidewall of burner hearth, be provided with at least one peep hole.
The horizontal coal dust boiler of organic heat carrier of the present invention, by set temperature sensor in burner hearth, temperature in burner hearth is fed back at any time, thereby can regulate in time according to the variations in temperature in burner hearth the firepower of burner, and then can make soot particle in flue gas temperature before the wall that touches burner hearth and heating surface piping lower than ash fusion point, reduce the probability of coking on the wall of burner hearth and heating surface piping.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, to the accompanying drawing of required use in the specific embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the horizontal coal dust boiler of organic heat carrier of embodiment of the present invention structural representation;
Fig. 2 is the boiler body cutaway view of the horizontal coal dust boiler of organic heat carrier of the embodiment of the present invention;
Fig. 3 be the horizontal coal dust boiler of organic heat carrier of embodiment of the present invention Fig. 2 A-A to B-B to cutaway view;
Fig. 4 is that the C of the horizontal coal dust boiler of organic heat carrier of embodiment of the present invention Fig. 2 is to cutaway view;
Fig. 5 is the horizontal coal dust boiler of organic heat carrier of embodiment of the present invention workflow schematic diagram.
In figure, 1: boiler body; 2: burner; 3: igniter; 4: soot blower for boiler hearth; 5: burner hearth; 6: ash dropping hopper; 7: automatic dust discharge valve; 8: peep hole; 9: shoot door; 10: embedded scraper transporter; 11: explosion proof door; 12: ash dropped unit; 13: waste heat boiler; 14: rear arch; 15: brick baffle; 16: light boiler setting; 17: boiler export flue; 18: convection current soot blower; 19: radiation area intermediate header; 20: radiant coils; 21: roof tube assembly; 22: high temperature convection current coiler bundle; 23: low temperature convection current coiler bundle; 24: organic heat carrier outlet header; 25: organic heat carrier import header; 26: convective region intermediate header; 27: coal dust tank car; 28: coal dust tower assembly; 29: pulverized coal conveying device; 30: air blast; 31: horizontal coal dust boiler of organic heat carrier; 32: sack cleaner; 33: air-introduced machine; 34: chimney: 35: coal ash collecting device; 36: Automatic Control Unit; 37: base.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, will technical scheme of the present invention be carried out to clear, complete description below.Obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the present invention protects.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
As shown in drawings, the invention provides horizontal coal dust boiler of organic heat carrier, comprise boiler body 1, base 37 and at least one burner 2;
In boiler body 1, be provided with the burning chamber being formed by radiant coils 20 and roof tube assembly 21 that Open Side Down;
On the sidewall of burning chamber and top is provided with light boiler setting 16;
Boiler body 1 below is fixedly connected with base 37;
On base 37, be provided with combustion chamber, after combustion chamber and burning chamber are oppositely arranged, its inner common burner hearth 5 that forms;
In burner hearth 5, be provided with at least one temperature sensor, a side of combustion chamber is provided with burner interface, and the top of burning chamber's side relative with burner interface is provided with outlet flue;
Burner 2 is arranged on burner interface, communicates with burner hearth 5;
On burner 2, be provided with igniter 3;
The below of roof tube assembly 21 near one end of burner interface be provided with horizontal multilayer spiral arrange radiant coils 20;
The below of roof tube assembly 21 has been horizontally disposed with high temperature convection current coiler bundle 22 and low temperature convection current coiler bundle 23 near one end of outlet flue, and the axis of the axis of high temperature convection current coiler bundle 22 and low temperature convection current coiler bundle 23 is all vertical with the axis of outlet flue;
One side of the below of high temperature convection current coiler bundle 22 and low temperature convection current coiler bundle 23 is provided with convective region intermediate header 26;
In secondary furnace, be also provided with organic heat carrier import header 25 and organic heat carrier outlet header 24, organic heat carrier import header 25 and organic heat carrier outlet header 24 are by boiler body 1 and external relation;
Organic heat carrier import header 25, low temperature convection current coiler bundle 23, high temperature convection current coiler bundle 22, convective region intermediate header 26, radiant coils 20, radiation area intermediate header 19, roof tube assembly 21 are connected successively with organic heat carrier outlet header 24.
This boiler adopts advanced full automatic pulverized coal cyclone classification burner 2, by the air classification design of burner 2, make ignition temperature field even, avoid localized hyperthermia, oxygen amount meter is equipped with in boiler flue outlet in addition, can control excess air coefficient, control burner hearth 5 temperature, all be conducive to reduce the content of NOx, conventional boiler does not generally possess these measures, is unfavorable for reducing the content of NOx.
Coal dust is borrowed a wind to become wind powder mixture and is sprayed into horizontal burner hearth by burner 2, simultaneously, overfire air fan send here wind or Secondary Air again the high temperature air after air preheater heating also enter burner 2 and be mixed into burner hearth 5 with powder fuel and carry out fierce suspension combustion, and burner 2 adopts fractional combustion, and coal dust firing is abundant; Boiler flue gas outlet is equipped with oxygen amount meter, and air blast 30, air-introduced machine 33 adopt VFC, and air quantity control is accurate, and excess air coefficient is little, saves electric energy and heat loss; And the thermal radiation field that the first level of the heat energy producing upwards enters top is more directly heated, the flue gas producing enters the high temperature convective region in stage casing down by the rear upper smoke outlet of burner hearth 5, be folded to again after temperature convective region, the end double back journey that enters back segment is heated and go out from boiler export flue, then through waste heat boiler 13 or again after the equipment such as air preheater, sack cleaner 32, air-introduced machine 33 from chimney 34 qualified discharge up to standard.Organic heat carrier from import flow through successively convection tube group, radiant tube group and roof tube group, flows out body of heater from outlet by pipeline after heating.
Burner hearth is horizontal layout, be folded to and enter top radiation area, thereby flue gas flow is long, can guarantee full combustion of fuel, reduces the generation of ash amount after the first level of flame is walked one section.
Boiler is Horizontal type fast structure.Boiler divides upper and lower two large parts, and top is boiler body 1 and light boiler setting 16, and bottom is burner hearth 5 and base 37, convenient transportation, transport to behind scene in large of boiler, after two large parts are closed up, furnace wall is built at scene by laying bricks or stones, installation period is short, compact conformation, boiler room reduced investment.When boiler is larger, while adopting two groups of the left and right coil pipe being arranged side by side, coiler bundle, boiler structure form is to be assembled into master, and in bulk is auxiliary, and wherein coil pipe, coiler bundle divide several parts to dispatch from the factory, and assemble to building site.Compare with boiler in bulk, only have part assembly welding to carry out at the scene, thereby check is convenient, product quality is guaranteed,
Burner 2 is one or two, is all the horizontally disposed antetheca at burner hearth 5.Larger boiler can adopt double burner 2 levels to be arranged in juxtaposition, and each burner 2 can be controlled separately; When double burner 2 uses two or more fuel, double burner 2 can level be arranged up and down, can use coal dust, the two or more fuel of oil (gas) simultaneously, and one of them oil (gas) burner 2 also can be used as auxiliary burner and uses
In fuel coal dust, added desulfurizing agent formula, the SO2 content producing in burner hearth 5 combustion processes is low, can realize in stove from desulfurization.
In burner hearth 5, be provided with temperature sensor, precisely control the temperature of burner hearth 5, then through the air classification low-temperature burning of burner 2, ignition temperature field is even, avoids localized hyperthermia, the content of the NOx that burning produces is low, and burner hearth 5 and heating surface tube wall are difficult for coking.
Boiler adopts sack cleaner 32, is discharged in the gas in atmosphere and occurs hardly flue dust, and the flying dust that sack cleaner 32 is collected is discharged through closed system, goes to focus on and utilize, non-secondary pollution.
In burner hearth 5, be connected to inert gas jet and be connected with inert gas extinguishing installation, starting drive quick extinguishing in the time there is the emergency of burner hearth 5 fire, guarantees boiler plant safety.
Vacuum table interface is installed in boiler furnace, and on cigarette air channel, reserved vacuum table interface, can monitor boiler blast and dust stratification situation at any time.
Realize automatic ignition by the igniter 3 on burner 2, automatic powder spraying, efficiency of combustion can reach 98%, burner 2 can be adjusted the operations such as fuel supply, rotation speed of fan automatically according to monitoring sensor data such as various pressure, temperature, oxygen amount meters, possess the functions such as interlocking, warning, defeated coal, burning, desulfurization, the dedusting of boiler, slagging tap etc. all adopts automation control system, and automatic monitoring, adjust operation parameter, make system in optimal operational condition.
Coal dust is lighted by the igniter 3 on burner 2 is rear, enters in burner hearth 5 after becoming flue gas.Because the density of high-temperature gas is less, thereby flue gas rises and enters the radiation area at radiant coils 20 places, enter the high temperature convective region at high temperature convection current coiler bundle 22 places, the low temperature convective region at low temperature convection current coiler bundle 23 places by radiation area again, discharge from outlet flue afterwards.
Now, organic heat carrier enters the organic heat carrier circulatory system by organic heat carrier import header 25 as heat conduction wet goods, successively by organic heat carrier import header 25, low temperature convection current coiler bundle 23, high temperature convection current coiler bundle 22, convective region intermediate header 26, radiant coils 20, radiation area intermediate header 19, roof tube assembly 21 and organic heat carrier outlet header 24, discharge from organic heat carrier outlet header 24, thereby realize, the flue gas in the conduction oil in the organic heat carrier circulatory system and burner hearth 5 is carried out to heat exchange.
Further, between the region at low temperature convection current coiler bundle 23 and high temperature convection current coiler bundle 22 places and burner hearth 5, be provided with rear arch 14;
Arrange after rear arch 14, flue gas, entering after burner hearth 5, need to enter convective region to rising, more tortuous mobile backward in convective region, discharges from outlet flue.
Such setting, increased the stroke of flue gas, make flue gas can and organic heat carrier between heat exchange more abundant, also can make flue gas cooling more fully, thereby reduce the coking of flue gas on burner hearth 5 and heating surface tube, increased the service life of boiler.
Further, between low temperature convection current coiler bundle 23 and high temperature convection current coiler bundle 22, be provided with brick baffle 15;
By arranging after brick baffle 15 between high temperature convective region and low temperature convective region, can make flue gas enter behind high temperature convective region in radiation and convection district, walk just can enter low temperature convective region downwards, in low temperature convective region, the up rear outlet flue that just can enter is discharged, thereby further increase the stroke of flue gas, made the heat exchange between flue gas and organic heat carrier more abundant.
That is to say, between high temperature convection current coiler bundle 22 and low temperature convection current coiler bundle 23, be separated into independently exhaust gases passes of front and back with brick baffle 15, and boiler smoke becomes upper and lower transversal flow to convection current coiler bundle, improve thermal effective coefficient, each convection heating surface flue gas flow rate is all in l0m/s left and right, prevent convection tube dust stratification, convection pass become upper and lower to.
Further, on base, be provided with ash dropping hopper 6;
On ash dropping hopper 6, be provided with multiple ash ports along burner 2 flame combustion directions.
Coal dust is after the interior burning of burner 2, and cigarette ash is followed flue gas and entered after burner hearth 5, separates with flue gas, and flue gas rises, and cigarette ash declines.
On base, arrange after ash dropping hopper 6, the cigarette ash in burner hearth 5 can be collected, then by ash port from the interior discharge of burner hearth 5, thereby can not make burner hearth 5 fill up, just can not reduce the volume of burner hearth 5 yet.
Ash dropping hopper 6 is longitudinally to arrange, consistent with the flame injection direction of burner 2, the bottom of ash dropping hopper 6 is arranged before and after being with several ash ports, each ash port nothing in same level is cut off, the open-angle of ash dropping hopper 6 is greater than angle of repose, the lime-ash that drops on a small quantity flat position that burning produces can fall into next ash port in the effect of flame jet power, and the ash that falls is smooth and easy.
Further, each ash port below is provided with automatic dust discharge valve 7.
If ash port is often opened, stove outer air can enter burner hearth 5, will reduce the temperature of burner hearth 5 interior flue gases, thereby has caused unnecessary waste, and therefore, at ordinary times, ash port should be closed.
Ash port below arranges after automatic dust discharge valve 7, can expire or reach after certain predetermined value by the cigarette ash in ash dropping hopper 6, opens automatic dust discharge valve 7, and cigarette ash is discharged from ash port.
Automatic dust discharge valve 7 can be realized automatic removing dust, therefore can reduce artificial operation, has saved manpower.
Further, automatic dust discharge valve 7 belows are provided with conveyer.
Boiler foundation below inevitably produces a large amount of heat energy, thereby if the cigarette ash ejecting by automatic dust discharge valve 7 is cleared up below base by manpower, can cause certain injury to human body.Below automatic dust discharge valve 7, arrange after conveyer, will between cigarette ash, be emitted on conveyer by automatic dust discharge valve 7, then export by conveyer, thereby reduced manpower, also avoided the injury to human body.
It is pointed out that conveyer can be pneumatic transport equipment, can be also the conveyer of other types.What in the present embodiment, adopt is embedded scraper transporter 10.
Embedded scraper transporter 10 is the transporting equipments that bulk material carried by means of moving flight chain in the housing of sealing by predeterminated target.It has that volume is little, sealing is strong, good rigidly, technology arrangement is flexible, installation and maintenance are convenient, and the advantage such as energy feeding raw materials from more than one places and multiple discharge.Therefore the working condition of significantly having improved workman, has prevented environmental pollution.Embedded scraper transporter 10 principles are to depend on internal friction and the lateral pressure that material has, in convey materials process, the pressure of the flight chain direction of motion and in the time of continuous feed the tractional force of bottom material to top material, the external friction resistance producing when these active forces synthetic is enough to overcome material and is transferred in trough and between housing and the weight of material self.Making material no matter in the time of horizontal feed, inclination conveying and vertical transport, can form continuous material stream moves forward.
Embedded scraper transporter 10 can be carried the material with uniform temperature, therefore in the present embodiment, adopts embedded scraper transporter 10.
Further, horizontal boiler of organic heat carrier 31 also comprises soot blower for boiler hearth 4 and convection current soot blower 18;
Soot blower for boiler hearth 4 is arranged on boiler body 1 and enters a side of burner, is communicated with burner hearth 5;
Convection current soot blower 18 is arranged on boiler body 1, respectively with the channel connection of high temperature convection current coiler bundle 22 and low temperature convection current coiler bundle 23.
The in the situation that of having slight dust stratification in burner hearth 5 or in high temperature convection current coiler bundle 22 and low temperature convection current coiler bundle 23, the additional thermal resistance that dust stratification layer brings also can have a strong impact on the transmission of the inside and outside heat of boiler heating surface, exhaust gas temperature is raise, boiler thermal output reduces, dust stratification further causes heating surface to produce high cold end corrosion simultaneously, and the quick-fried leakage phenomenon of boiler tube is frequent, when serious, even be forced to blowing out cleaning and booster, cause the cycle of operation greatly to shorten.Therefore, arranging after soot blower for boiler hearth 4, can effectively reduce sidewall or bottom and high temperature convection current coiler bundle 22 and the interior generation dust stratification of low temperature convection current coiler bundle 23 of burner hearth 5, after it can being blown afloat, discharge by ash dropping hopper 6 or by the ash dropped unit 12 on rear arch 14, also just effectively avoid the generation of coking, guaranteed the heat exchange efficiency of boiler heating surface.
Further, in burner hearth 5, a side relative with entering burner is provided with explosion proof door 11;
On outlet flue, be provided with boiler export flue 17, on boiler export flue 17, be provided with explosion proof door 11.
In the time that the pressure in burner hearth 5 is excessive, explosion proof door 11 is because pressure is opened, thereby can effectively reduce the probability of the bursting of boilers, guaranteed fuel just in case the safety of boiler setting when detonation, increased the security performance of boiler.
Further, outlet flue is connected with waste heat boiler 13 by boiler export flue 17; On waste heat boiler 13, be provided with soot blower and shoot door 9.
Flue gas, from outlet flue is discharged, also can, with part heat, therefore, be arranged flue gas in waste heat boiler 13 by boiler export flue 17, and the waste heat of flue gas is further utilized.
Soot blower and shoot door 9 are set on waste heat boiler 13, can remove in time dust stratification, guarantee that cigarette ash can not overstock in waste heat boiler 13, keep the heat exchange efficiency of waste heat boiler 13, thereby guarantee the normal work of waste heat boiler 13, waste heat boiler 13 afterbodys need to match air preheater according to system, further reduce exhaust gas temperature, improve boiler efficiency.。
Further, on the sidewall of burner hearth 5, be provided with at least one peep hole 8.
The situation of the interior flame of burner hearth 5 and dust stratification can be seen by peep hole 8, when after the interior generation dust stratification of burner hearth 5, the operations such as blowing out cleaning can be carried out timely.
Several peep holes 8 are set more, can observe the situation in burner hearth 5 from different angles, thereby can avoid the situation of omission to occur.Observe the grey situation that falls in burner hearth 5 as peep hole 8 is set on the sidewall of burner hearth 5, below high temperature convective region and low temperature convective region rear arch 14 above peep hole 8 is set, can observe the grey situation etc. that falls on rear arch 14.
The operation principle of the horizontal coal dust boiler of organic heat carrier of the present invention is: the coal dust that meets quality standard is injected coal dust tower assembly 28 by the coal dust tank car 27 from coal dust processing factory.Coal dust in coal dust tower assembly 28 enters after metering intermediate bin by pulverized coal conveying device 29 as required, send into coal burner 2 by loader and wind powder mixing duct, then and fully mixed by the Secondary Air that air blast 30 enters burner 2 after enter the burner hearth 5 of horizontal coal dust boiler of organic heat carrier 31; Burner 2 and burner hearth 5 form combustion system, and the high-temperature flue gas that burning produces enters high temperature convection section, low temperature convection section by burner hearth 5 top radiant sections, then enters the waste heat boiler 13 of afterbody, enter sack cleaner 32 after completing radiation and heat convection; The clean flue gas that deduster is discharged is taken out to draw by chimney 34 by air-introduced machine 33 again and is entered atmosphere.A small amount of lime-ash that fuel generates after burning falls into embedded scraper transporter 10 through ash dropping hopper 6 and automatic dust discharge valve 7, discharges via embedded scraper transporter 10; The flying dust that sack cleaner 32 is collected is delivered to coal ash collecting device 35 through closed system, for focusing on and utilizing.Organic heat carrier by pipeline from bottom inlet header 25 flow through successively convection tube group, radiant tube group and roof tube group, after heating, flow out body of heater from top outlet header 24, the flow process of conduction oil has been followed the principle of low in and high out, and pneumatosis not in heat medium pipe, avoids pipe hot-spot.Whole device can carry out automatically by Automatic Control Unit 36, thereby saves manpower.
The horizontal coal dust boiler of organic heat carrier of the present invention is than traditional coal-burning boiler energy-saving 30%, improve boiler thermal output 25-30%, omnidistance realization automatically controlled, on-line monitoring, simple to operate, open and stop, efficient, energy-saving and environmental protection, soot emissions, SO2 emissions, CO2 emissions are all lower than place and national standard.
The horizontal coal dust boiler of organic heat carrier of the present invention, by at the interior set temperature sensor of burner hearth 5, temperature in burner hearth 5 is fed back at any time, thereby can regulate in time according to the variations in temperature in burner hearth 5 temperature of burner 2, and then can make the soot particle in flue gas just completely cooling before touching burner hearth 5 and heating surface tube wall, reduce the probability of coking on burner hearth 5 and heating surface tube wall.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a horizontal coal dust boiler of organic heat carrier, is characterized in that, comprises boiler body, base and at least one burner;
In described boiler body, be provided with the burning chamber by radiant coils and roof tube module composition that Open Side Down;
On the sidewall of described burning chamber and top is provided with light boiler setting;
Described boiler body below is fixedly connected with described base;
On described base, be provided with combustion chamber, after described combustion chamber and described burning chamber are oppositely arranged, its inner common burner hearth that forms;
In described burner hearth, be provided with at least one temperature sensor, a side of described combustion chamber is provided with burner interface, and the top of a described burning chamber side relative with described burner interface is provided with outlet flue;
Described burner is arranged on burner interface, communicates with described burner hearth;
On described burner, be provided with igniter;
Described roof tube assembly is arranged on the top of described burning chamber;
The below of described roof tube assembly near one end of described burner interface be provided with horizontal multilayer spiral arrange radiant coils;
Described roof tube assembly is provided with radiation area intermediate header near a side of described burner interface;
The below of described roof tube assembly has been horizontally disposed with high temperature convection current coiler bundle and low temperature convection current coiler bundle near one end of described outlet flue, and the axis of the axis of described high temperature convection current coiler bundle and described low temperature convection current coiler bundle is all vertical with the axis of described outlet flue;
One side of the below of described high temperature convection current coiler bundle and described low temperature convection current coiler bundle is provided with convective region intermediate header;
In described combustion chamber, be also provided with organic heat carrier import header and organic heat carrier outlet header, described organic heat carrier import header and described organic heat carrier outlet header are by boiler body and external relation;
Described organic heat carrier import header, described low temperature convection current coiler bundle, described high temperature convection current coiler bundle, described convective region intermediate header, described radiant coils, described radiation area intermediate header, described roof tube assembly are connected successively with described organic heat carrier outlet header.
2. horizontal coal dust boiler of organic heat carrier according to claim 1, is characterized in that, between the region at described low temperature convection current coiler bundle and described high temperature convection current coiler bundle place and described burner hearth, is provided with rear arch;
Described rear arch is arranged on described base, makes flue gas in described burner hearth can only be introduced into the low temperature convective region that enters again described low temperature convection current coiler bundle place after the high temperature convective region at described high temperature convection current coiler bundle place.
3. horizontal coal dust boiler of organic heat carrier according to claim 2, is characterized in that, between described low temperature convection current coiler bundle and described high temperature convection current coiler bundle, is provided with brick baffle;
Described brick baffle and described low temperature convection current coiler bundle parallel device, and be arranged on described boiler body.
4. horizontal coal dust boiler of organic heat carrier according to claim 1, is characterized in that, on described base, is provided with ash dropping hopper;
On described ash dropping hopper, be provided with multiple ash ports along burner flame burning direction.
5. horizontal coal dust boiler of organic heat carrier according to claim 4, is characterized in that,
Each described ash port below is provided with automatic dust discharge valve.
6. horizontal coal dust boiler of organic heat carrier according to claim 5, is characterized in that, described automatic dust discharge valve below is provided with conveyer.
7. horizontal coal dust boiler of organic heat carrier according to claim 1, is characterized in that, also comprises soot blower for boiler hearth and convection current soot blower;
Described soot blower for boiler hearth is arranged on the outside of described base, and in the bottom of described burner interface, is communicated with described burner hearth;
Described convection current soot blower is arranged on described boiler body, respectively with the channel connection of described high temperature convection current coiler bundle and described low temperature convection current coiler bundle.
8. horizontal coal dust boiler of organic heat carrier according to claim 1, is characterized in that, a described combustion chamber side relative with described burner interface is provided with explosion proof door;
On described outlet flue, be provided with boiler export flue, on described boiler export flue, be provided with explosion proof door.
9. horizontal coal dust boiler of organic heat carrier according to claim 1, is characterized in that, described outlet flue is connected with waste heat boiler by boiler export flue; On described waste heat boiler, be provided with soot blower and shoot door.
10. according to the horizontal coal dust boiler of organic heat carrier described in claim 1-9 any one, it is characterized in that, on the sidewall of described burner hearth, be provided with at least one peep hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110151.2A CN103822357A (en) | 2014-03-21 | 2014-03-21 | Horizontal pulverized coal organic heat carrier boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110151.2A CN103822357A (en) | 2014-03-21 | 2014-03-21 | Horizontal pulverized coal organic heat carrier boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103822357A true CN103822357A (en) | 2014-05-28 |
Family
ID=50757543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410110151.2A Pending CN103822357A (en) | 2014-03-21 | 2014-03-21 | Horizontal pulverized coal organic heat carrier boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103822357A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964446A (en) * | 2015-07-16 | 2015-10-07 | 山东圣威新能源有限公司 | Novel fuel oil and fuel gas organic heat carrier boiler |
| CN105180438A (en) * | 2015-10-26 | 2015-12-23 | 浙江特富锅炉有限公司 | Coal powder burning organic heat carrier boiler |
| CN106546002A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of boiler for preventing water shortage in boiler from causing fryer |
| CN108253402A (en) * | 2018-01-19 | 2018-07-06 | 上海工业锅炉有限公司 | A kind of lower part coil pipe for industrial coal powder boiler of organic heat carrier |
| CN109737603A (en) * | 2019-03-07 | 2019-05-10 | 广州海诚能源科技有限公司 | A kind of heat conducting oil boiler of biomass burning gas |
| CN110645581A (en) * | 2019-10-31 | 2020-01-03 | 大唐郓城发电有限公司 | Boiler soot blowing optimization control system and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4344408A1 (en) * | 1993-12-24 | 1995-06-29 | Erk Eckrohrkessel | Steam or hot water boiler |
| CN2482660Y (en) * | 2001-06-15 | 2002-03-20 | 王仲明 | Heat conducting oil furnace |
| CN200996621Y (en) * | 2006-06-21 | 2007-12-26 | 哈尔滨团结锅炉集团有限公司 | Boiler with front sheding pipe and built-in smoke steering chamber |
| CN203190629U (en) * | 2013-03-11 | 2013-09-11 | 王民发 | Horizontal-type thermal medium boiler |
| CN203203244U (en) * | 2013-02-07 | 2013-09-18 | 杭州燃油锅炉有限公司 | Horizontal type coal water slurry organic heat carrier boiler |
| CN203364124U (en) * | 2013-06-03 | 2013-12-25 | 诸暨天立环保节能技术有限公司 | Pulverized coal boiler modified from chain-grate boiler |
| CN203771690U (en) * | 2014-03-21 | 2014-08-13 | 浙江锅炉有限公司 | Horizontal coal dust organic heat carrier boiler |
-
2014
- 2014-03-21 CN CN201410110151.2A patent/CN103822357A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4344408A1 (en) * | 1993-12-24 | 1995-06-29 | Erk Eckrohrkessel | Steam or hot water boiler |
| CN2482660Y (en) * | 2001-06-15 | 2002-03-20 | 王仲明 | Heat conducting oil furnace |
| CN200996621Y (en) * | 2006-06-21 | 2007-12-26 | 哈尔滨团结锅炉集团有限公司 | Boiler with front sheding pipe and built-in smoke steering chamber |
| CN203203244U (en) * | 2013-02-07 | 2013-09-18 | 杭州燃油锅炉有限公司 | Horizontal type coal water slurry organic heat carrier boiler |
| CN203190629U (en) * | 2013-03-11 | 2013-09-11 | 王民发 | Horizontal-type thermal medium boiler |
| CN203364124U (en) * | 2013-06-03 | 2013-12-25 | 诸暨天立环保节能技术有限公司 | Pulverized coal boiler modified from chain-grate boiler |
| CN203771690U (en) * | 2014-03-21 | 2014-08-13 | 浙江锅炉有限公司 | Horizontal coal dust organic heat carrier boiler |
Non-Patent Citations (2)
| Title |
|---|
| 杜桂宁: "《油气集输设备技术问答》", 30 June 2013 * |
| 西安电力学校: "《小型火力发电厂锅炉设备及运行》", 31 August 1973 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964446A (en) * | 2015-07-16 | 2015-10-07 | 山东圣威新能源有限公司 | Novel fuel oil and fuel gas organic heat carrier boiler |
| CN106546002A (en) * | 2015-09-17 | 2017-03-29 | 哈尔滨市金京锅炉有限公司 | A kind of boiler for preventing water shortage in boiler from causing fryer |
| CN105180438A (en) * | 2015-10-26 | 2015-12-23 | 浙江特富锅炉有限公司 | Coal powder burning organic heat carrier boiler |
| CN105180438B (en) * | 2015-10-26 | 2017-09-05 | 浙江特富锅炉有限公司 | Organic heat carrier boiler for burning coal powder |
| CN108253402A (en) * | 2018-01-19 | 2018-07-06 | 上海工业锅炉有限公司 | A kind of lower part coil pipe for industrial coal powder boiler of organic heat carrier |
| CN109737603A (en) * | 2019-03-07 | 2019-05-10 | 广州海诚能源科技有限公司 | A kind of heat conducting oil boiler of biomass burning gas |
| CN110645581A (en) * | 2019-10-31 | 2020-01-03 | 大唐郓城发电有限公司 | Boiler soot blowing optimization control system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949535B (en) | Low-ratio biomass circulating fluidized bed boiler and combustion method thereof | |
| CN103822357A (en) | Horizontal pulverized coal organic heat carrier boiler | |
| CN101586805B (en) | Combustion device for biomass granular fuel | |
| CN202057036U (en) | Coal powder air heating furnace | |
| CN201242342Y (en) | Shaft kiln | |
| CN203771690U (en) | Horizontal coal dust organic heat carrier boiler | |
| CN101354187A (en) | W type flame boiler local ventilation side-proof wall and wing wall water-cooled wall slagging apparatus | |
| CN102345862B (en) | Biomass particle combustion apparatus and combustion method for same | |
| CN102242935A (en) | Novel garbage and biomass fuel combustion furnace and combustion method | |
| CN101761921B (en) | Industrial coal dust burning boiler system | |
| CN103148477B (en) | One is threaded into powder formula burner for pulverized coal | |
| CN101782229B (en) | Gasification furnace with cone-shaped grates | |
| CN102095254B (en) | Organic heat carrier boiler of fluidized bed, with low cost, environment protection, energy saving and emission reduction | |
| CN202328292U (en) | Ash handling equipment for secondary air bellow of coal-fired boiler and coal-fired boiler | |
| CN104807015A (en) | Waste disposal device realizing thermolysis, incineration and melting integration | |
| CN201666566U (en) | Burning coal industrial boiler system | |
| CN104197733B (en) | Regenerative cycles device in Gas heating furnace high-temperature burns carbon distribution device and technique | |
| CN110440280B (en) | High-efficiency energy-saving boiler | |
| CN203249237U (en) | Spiral-input type pulverized coal burner | |
| CN101900418B (en) | Organic biomass heat carrier furnace | |
| CN105112076A (en) | System and method for gas direct heating | |
| CN201443753U (en) | Boiler system for burning coal powder | |
| CN210128512U (en) | Assembled coal water slurry organic heat carrier boiler | |
| CN203810879U (en) | Diffusion type coal injection burning furnace of drying machine | |
| CN201475988U (en) | Fly ash recirculation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140528 |
|
| RJ01 | Rejection of invention patent application after publication |