CN205535724U - Horizontal energy -efficient environmental protection CO burns modular exhaust -heat boiler - Google Patents

Abstract

The utility model provides a horizontal energy -efficient environmental protection CO burns modular exhaust -heat boiler, it relates to an exhaust -heat boiler. Unable realization fires effectively that cinder, waste heat recovery efficiency are low to current boiler to CO, during boiler operation poor stability, boiler erection cycle length be just with high costs. The utility model discloses well incineration disposal intracavity divides the combustion chamber into by one end to the other end of keeping away from the combustor that is close to the combustor in proper order, fire cinder room and direct current tracery wall room, the center process chamber is provided with the steam pocket outward, first process chamber is linked together with direct current tracery wall room, the third process chamber is linked together with the afterbody process chamber, leading evaporimeter setting is in first process chamber, second grade steam superheater and one -level steam superheater set up in the second process chamber side by side, rearmounted evaporimeter setting is in the third process chamber, second grade economizer and one -level economizer set up in the afterbody process chamber side by side, one -level steam superheater's play water end (W. E. ) communicates with each other with second grade steam superheater's the end of intaking through spray type attemperator. The utility model discloses utilize the waste heat to supply water, supply vapour to the boiler.

Description

A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler

Technical field

This utility model is specifically related to a kind of Horizontal high efficient energy saving environmental protection CO and burns modular afterheat boiler.

Background technology

Usually containing the CO gas of 3%～12% at home in chemical industry catalytic cracking unit in catalyst incomplete regen-eration form in flue gas, directly discharge will result in serious harm, and user is generally selected naked burning, and incomplete combustion still affects environment, and wastes a large amount of waste heat.China is current second production of energy state and country of consumption the most in the world.Energy supply sustainable growth, provides important support for socio-economic development.The quick growth of energy-consuming, creates wide development space for world energy sources market.China has become as the important component part that world energy sources market is indispensable.Meanwhile, energy-conserving and environment-protective also become the inexorable trend of current industrial development.China's boiler industry is fast-developing, chemical emission waste heat boiler technology and system development achieve breakthrough progress, create some catalytic unit waste heat boilers, ignition temperature below 1000 DEG C, but there are still CO can not burn, the problem such as waste heat recovery efficiency is low, high fume temperature, fouling of heating surface.

Summary of the invention

Due to existing boiler cannot realize CO effectively burning, waste heat recovery efficiency is low, boiler operatiopn time poor stability, boiler erection cycle length and cost high, and then propose a kind of Horizontal high efficient energy saving environmental protection CO and burn modular afterheat boiler.

This utility model adopts the technical scheme that for solving above-mentioned technical problem:

nullA kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler，It includes burning disposal chamber、Center processing chamber、Afterbody processes chamber、Burner、Front-packed evaporator、Second steam superheater、One-level steam superheater、Rearmounted vaporizer、Two grades of economizers、One-level economizer and drum，Described burning disposal chamber、Center processing chamber and afterbody process chamber and are sequentially communicated in the horizontal direction，The one end in described burning disposal chamber is provided with burner，Described burning disposal intracavity is in turn divided into combustor by near one end of burner to the other end away from burner、Burning chamber and direct current tracery wall room，Described center processing chamber is outside equipped with drum，Described center processing intracavity is in turn divided into the first process chamber、Second process chamber and the 3rd process chamber，Described first process chamber is connected with direct current tracery wall room，3rd process chamber processes chamber with afterbody and is connected，Described front-packed evaporator is arranged in the first process chamber，Described second steam superheater and one-level steam superheater are disposed in parallel in the second process chamber，Described rearmounted vaporizer is arranged in the 3rd process chamber，Described two grades of economizers and one-level economizer are disposed in parallel in afterbody and process intracavity，Described one-level economizer and two grades of economizers are connected，Described two grades of economizers are connected with the water inlet end of drum，Described front-packed evaporator is connected with drum respectively with rearmounted vaporizer，The water side of described drum is connected with the admission end of one-level steam superheater，The steam output end of described one-level steam superheater is connected by the admission end of direct-contact desuperheater with second steam superheater，The steam output end of second steam superheater is superheated steam outlet side.

Described rearmounted vaporizer includes upper collecting chamber, lower header, intermediate support beam, exterior support frame and Duo Gen studded tube, described upper collecting chamber, lower header, intermediate support beam and Duo Gen studded tube are arranged in exterior support frame, described upper collecting chamber and lower header horizontal alignment are arranged, described upper collecting chamber is positioned at the surface of lower header, described many studded tubes are the most vertically set up in parallel and are arranged between upper collecting chamber and lower header by intermediate support beam, every studded tube includes bend loss, straight length and lower bend loss, described upper bend loss, straight length is the most sequentially fixed with lower bend loss to connect and is made as one, the upper end of described upper bend loss is connected with upper collecting chamber, the lower end of described lower bend loss is connected with lower header.

Described rearmounted vaporizer also includes in header support, least one set accessory part under accessory part and least one set, and described header support is arranged on the top of intermediate support beam, and described upper collecting chamber is arranged on header support；In least one set, accessory part is arranged on the top of exterior support frame, upper accessory part includes the first hermetically sealed case, the first inner tube and the first sealing plate, first hermetically sealed case pipe is located on exterior support frame, described first inner tube is sleeved in the first hermetically sealed case pipe and its lower end is connected with upper collecting chamber, described first sealing plate is sleeved on the upper end of the first inner tube and its lower surface is adjacent to mutually with the first hermetically sealed case pipe, and the tube wall of described first hermetically sealed case pipe is curved tube wall；Under least one set, accessory part is arranged on the bottom of exterior support frame, lower accessory part includes the second hermetically sealed case pipe, the second inner tube and the second sealing plate, second hermetically sealed case pipe is located on exterior support frame, described second inner tube is sleeved in the second hermetically sealed case pipe and its upper end is connected with lower header, described second sealing plate is sleeved on the lower end of the second inner tube and its upper surface is adjacent to mutually with the second hermetically sealed case pipe, and the tube wall of described second hermetically sealed case pipe is curved tube wall.

nullDescribed burner includes burner body、Premix chamber、Flame sighting tube、Fuel gas pipe、Three trouble type arm and multiple swirl vanes，Described burner body is connected with burning disposal chamber by premix chamber，Described burner body top is machined with air intake，The top of described premix chamber is machined with main fuel gas entrance，One end of described flame sighting tube sequentially passes through burner body and premix chamber along the length direction of burner body，The other end of described flame sighting tube is in outside burner body and this end is the first observation flame end，One end of described fuel gas pipe is communicated with three trouble type arms，In three trouble type arms three mouth of pipe is respectively igniter fuel gas entrance、Electric igniter interface and igniting air intake，The other end of described fuel gas pipe sequentially passes through burner body and premix chamber and arranges near flame sighting tube，Multiple swirl vanes are uniformly arranged in burner body centered by flame sighting tube.

Described burner also includes altar lamp air inlet lines and altar lamp fuel inlet pipe, and described altar lamp air inlet lines is located on burner body, and described altar lamp fuel inlet pipe is positioned at outside burner body and is connected with altar lamp air inlet lines.

Described burner also includes flame monitoring pipe and the first cooling tube, flame monitoring pipe also it is equipped with on described burner body, the interface end that one end is flame monitor being in outside burner body in described flame monitoring pipe, described first cooling tube is positioned at outside burner body and it is connected with flame monitoring pipe.

Also being machined with supplementary fuel gas entrance on described flame sighting tube, described supplementary fuel gas entrance is positioned at outside burner body and arranges near the first observation flame end, and the second cooling tube is positioned at outside burner body and is connected with flame sighting tube.

Connecting on described premix chamber and have secondary to be inclined on premix chamber for airduct for airduct, described secondary, secondary is α for the angle between central axis and the longitudinal axis of premix chamber horizontal direction of airduct axial direction, and the span of angle α is 15 ° to 25 °.

This utility model has the advantages that

One, this utility model uses horizontal side burning type burner, by being equipped with between burner, premix chamber and multiple swirl vane, plays the effect of overheavy firing, and turndown ratio, burner regulation ratio is 15:1.This utility model can carry out fume treatment and boiler feedwater process simultaneously.Adaptation condition variation ability is strong, and amount, parameter fluctuation for fuel gas can well adapt to, and meet the demand of working conditions change simultaneously.

Two, combustion system uses eddy flow high-temp combustion mode, combustion reference temperature is at 1100～1500 DEG C, heat smoke is from top to bottom, tangentially enter combustion zone, produce eddy flow, under the impetus of burner First air, rearwardly process chamber move with cyclone mode, secondary wind is tangentially injected eddy flow flue gas with 15 ° to 25 ° angles and is sufficiently mixed with flue gas, burning disposal chamber, center processing chamber and afterbody process setting gradually of chamber and effectively extend the space burnt, by the strongest swirl flow combustion, it can be ensured that the CO component in fuel gas burns completely.

Three, the setting of direct current tracery wall room makes flue gas uniform distribution before entering heating surface, vertically washes away, and provides guarantee for improving heat exchange efficiency.

Four, front-packed evaporator light pipe is arranged, makes molten ash under high temperature not accumulate；One-level steam superheater and second steam superheater use the little R bending radius hanging of R=60mm to arrange, save space, effectively reduce himself size, form modular construction；In rearmounted vaporizer, the strong heat exchange of studded tube is arranged, absorbs heat in a large number；One-level economizer and two grades of economizers use finned tube to arrange, effectively reduce exhaust gas temperature.If this boiler is equipped with steam sootblower again can preferably solve the dust stratification problem of heating surface, boiler efficiency can reach 86.72%, and exhaust gas temperature is below 150 DEG C.

Five, this utility model is horizontal layout, effectively reduce steelframe, castable consumption, individual module weight about 30t, owing to body of heater is relatively low, drum absolute altitude about 10m, reduces hoisting cost in a large number, and conventional truck crane can complete, simplify and save lifting operation and hoisting difficulty, installation workload about reduce relative to vertical its 1/4.Horizontal module arrangement compared with prior art saves installation cost 1/3, saves installation period 2/3.

Six, in this utility model, horizontal module arrangement brings great convenience to checking maintenance, just can be checked the weld seam of all pressure containing parts when boiler stops not by the flue manhole of boiler and the both sides manhole of header.Boiler reach lifetime change parts time convenient, fast, between module with module use high-strength bolt is connected, only need to dismantle during replacing after high-strength bolt is opened extract out change module, complete after retubing connection and seal.

Accompanying drawing explanation

Fig. 1 is main TV structure schematic diagram of the present utility model；

Fig. 2 is the main TV structure schematic diagram of rearmounted vaporizer 8；

Fig. 3 is the left view structural representation of rearmounted vaporizer 8, and in figure, the direction of arrow is the flow direction of flue gas；

Fig. 4 is the enlarged drawing in Fig. 2 at A；

Fig. 5 is the main TV structure schematic diagram of burner 1；

Fig. 6 is that main fuel gas entrance 1-19, secondary are for annexation schematic diagram between airduct 1-15 and premix chamber 1-2.

Detailed description of the invention

nullDetailed description of the invention one: combine Fig. 1 to Fig. 6 and present embodiment is described，Present embodiment includes burning disposal chamber 2、Center processing chamber 3、Afterbody processes chamber 4、Burner 1、Front-packed evaporator 5、Second steam superheater 6、One-level steam superheater 7、Rearmounted vaporizer 8、Two grades of economizers 9、One-level economizer 10 and drum 12，Described burning disposal chamber 2、Center processing chamber 3 and afterbody process chamber 4 and are sequentially communicated in the horizontal direction，The one end in described burning disposal chamber 2 is provided with burner 1，It is in turn divided into combustor by near one end of burner 1 to the other end away from burner 1 in described burning disposal chamber 2、Burning chamber and direct current tracery wall room，Described center processing chamber 3 is outside equipped with drum 12，It is in turn divided into the first process chamber in described center processing chamber 3、Second process chamber and the 3rd process chamber，Described first process chamber is connected with direct current tracery wall room，3rd process chamber processes chamber 4 with afterbody and is connected，Described front-packed evaporator 5 is arranged in the first process chamber，Described second steam superheater 6 and one-level steam superheater 7 are disposed in parallel in the second process chamber，Described rearmounted vaporizer 8 is arranged in the 3rd process chamber，Described two grades of economizers 9 and one-level economizer 10 are disposed in parallel in afterbody and process in chamber 4，Described one-level economizer 10 is connected with two grades of economizers 9，Described two grades of economizers 9 are connected with the water inlet end of drum 12，Described front-packed evaporator 5 is connected with drum 12 respectively with rearmounted vaporizer 8，The water side of described drum 12 is connected with the admission end of one-level steam superheater 7，The steam output end of described one-level steam superheater 7 is connected by the admission end of direct-contact desuperheater with second steam superheater 6，The steam output end of second steam superheater 6 is superheated steam outlet side.

In this utility model, direct-contact desuperheater is existing apparatus.In this utility model, front-packed evaporator 5 is connected with drum 12 respectively with rearmounted vaporizer 8, i.e. front-packed evaporator 5 is the most independent with rearmounted vaporizer 8 is connected with drum 12, form two Natural Circulation, front-packed evaporator 5 and rearmounted vaporizer 8 respectively drum 12 provides steam water interface, after in 12 steam water interfaces of drum, steam is supplied to one-level steam superheater 7 and second steam superheater 6, final generation superheated steam the steam output end from second steam superheater 6 are discharged.

nullDetailed description of the invention two: combine Fig. 2、Fig. 3 and Fig. 4 illustrates present embodiment，Described in present embodiment, rearmounted vaporizer 8 includes upper collecting chamber 8-1、Lower header 8-2、Intermediate support beam 8-3、Exterior support frame 8-5 and Duo Gen studded tube 8-4，Described upper collecting chamber 8-1、Lower header 8-2、Intermediate support beam 8-3 and Duo Gen studded tube 8-4 is arranged in exterior support frame 8-5，Described upper collecting chamber 8-1 and lower header 8-2 horizontal alignment are arranged，Described upper collecting chamber 8-1 is positioned at the surface of lower header 8-2，Described many studded tube 8-4 are the most vertically set up in parallel and are arranged between upper collecting chamber 8-1 and lower header 8-2 by intermediate support beam 8-3，Every studded tube 8-4 includes bend loss 8-4-1、Straight length 8-4-2 and lower bend loss 8-4-3，Described upper bend loss 8-4-1、Straight length 8-4-2 and lower bend loss 8-4-3 the most sequentially fixes to connect and is made as one，The upper end of described upper bend loss 8-4-1 is connected with upper collecting chamber 8-1，The lower end of described lower bend loss 8-4-3 is connected with lower header 8-2.

In present embodiment, the setting of many studded tube 8-4 can play the effect strengthening heat exchange, heat exchange area improves 30% than existing apparatus, the structure of every studded tube 8-4 self makes bend loss 8-4-1 and lower bend loss 8-4-3 on it be respectively positioned on beyond strong convection, the by force section of washing away, and straight length 8-4-2 region is strong convection, washes away region by force.Rearmounted vaporizer 8 can adapt to 8～12m higher cigarette speed, thus adds strong convection, improves the coefficient of heat transfer, improves heat exchange efficiency.Other NM structure and connected mode are identical with detailed description of the invention one.

Detailed description of the invention three: combine Fig. 2, Fig. 3 and Fig. 4 and present embodiment is described, rearmounted vaporizer 8 described in present embodiment also includes in header support 8-6, least one set accessory part 8-8 under accessory part 8-7 and least one set, described header support 8-6 is arranged on the top of intermediate support beam 8-3, and described upper collecting chamber 8-1 is arranged on header support 8-6；In least one set, accessory part 8-7 is arranged on the top of exterior support frame 8-5, upper accessory part 8-7 includes the first hermetically sealed case pipe 8-7-1, first inner tube 8-7-2 and the first sealing plate 8-7-3, first hermetically sealed case pipe 8-7-1 is located on exterior support frame 8-5, described first inner tube 8-7-2 is sleeved in the first hermetically sealed case pipe 8-7-1 and its lower end is connected with upper collecting chamber 8-1, described first sealing plate 8-7-3 is sleeved on the upper end of the first inner tube 8-7-2 and its lower surface is adjacent to the first hermetically sealed case pipe 8-7-1 phase, the tube wall of described first hermetically sealed case pipe 8-7-1 is curved tube wall；Under least one set, accessory part 8-8 is arranged on the bottom of exterior support frame 8-5, lower accessory part 8-8 includes the second hermetically sealed case pipe 8-8-1, second inner tube 8-8-2 and the second sealing plate 8-8-3, second hermetically sealed case pipe 8-8-1 is located on exterior support frame 8-5, described second inner tube 8-8-2 is sleeved in the second hermetically sealed case pipe 8-8-1 and its upper end is connected with lower header 8-2, described second sealing plate 8-8-3 is sleeved on the lower end of the second inner tube 8-8-2 and its upper surface is adjacent to the second hermetically sealed case pipe 8-8-1 phase, the tube wall of described second hermetically sealed case pipe 8-8-1 is curved tube wall.

Present embodiment make the expansion system of rearmounted vaporizer 8 entirety the most reasonable by the setting of accessory part 8-8 under accessory part 8-7 in least one set and least one set, in many studded tube 8-4, tube panel internal expansion is compensated by elbow, the horizontal and vertical expansion of the internal pipe fitting of exterior support frame 8-5 is compensated by upper accessory part 8-7 and lower accessory part 8-8, between each face of furnace lining, dilatation joint is set, employing fire-retardent fiber felt-rug tamps, it is ensured that expands and seals.

In present embodiment, rearmounted vaporizer 8 in-site installation is convenient, strong heat exchange, the vaporizer of cramped construction make overall weight and overall dimensions all than routine little by about 1/3, effectively alleviate scene have bad luck, the burden of hoisting and hanging.Intermediate support beam 8-3 is steel framework, and steel framework is provided with reinforcement connecting plate 8-9 at entrance and exit joint face, after two modules are in place upper, intermodule installs refractory fibre backing plate additional, strengthening at connecting plate with high-strength bolt fastening, be allowed to tight, it is more efficient, convenient to install.Upper collecting chamber 8-1 and lower header 8-2 is built-in setting and without in convection pass, fully solves the difficult sealing problem that external header intensive tube bundle is through walls, and the inspection to pressure containing part weld seam is convenient.

In present embodiment, upper collecting chamber 8-1 includes catchmenting at least one tank body, tank body correspondence of catchmenting on each has accessory part 8-7 on a group, lower header 8-2 includes at least one lower water collect tank body, each lower water collect tank body is to there being accessory part 8-8 under a group, rearmounted vaporizer 8 also includes two plate sealing shroud 8-10 through walls and two the 3rd sealing plate 8-11, and the two ends that the tank body that above catchments contacts with exterior support frame 8-5 are each provided with a plate sealing shroud 8-10 through walls and a 3rd sealing plate 8-11.Plate sealing shroud 8-10 through walls is sleeved on the end of the tank body that catchments and this end is provided with a 3rd sealing plate 8-11, be used for connecting plate sealing shroud 8-10 through walls and on catchment tank body.

Front-packed evaporator 5 in this utility model is identical with the structure of rearmounted vaporizer 8, and the two difference is to utilize many light pipes to substitute many studded tube 8-4 in front-packed evaporator 5, and the arrangement of light pipe is identical with the arrangement of studded tube 8-4.The ash being disposed to alleviate molten condition of front-packed evaporator 5 adheres to.Being disposed to of rearmounted vaporizer 8 is effectively increased heating surface area, improves the flowing velocity of flue gas, thus realizes the effect of strong heat exchange, effectively reduces the usage quantity of pipe.Two grades of economizers 9 and one-level economizer 10 are economizer, it is existing component, the inside of two grades of economizers 9 and one-level economizer 10 is provided with multiple finned tube, the structure of front-packed evaporator 5,8, two grades of economizers 9 of rearmounted vaporizer and one-level economizer 10 is modular organization, the most readily accessible and assemble, it is conveniently replaceable part, also acts the effect strengthening heat exchange.

Second steam superheater 6 in this utility model, 7, two grades of economizers 9 of one-level steam superheater and in one-level economizer 10 the internal work process the solving expansion issues work process that solve expansion issues internal with rearmounted vaporizer 8 identical.Other NM structure and connected mode are identical with detailed description of the invention two.

nullDetailed description of the invention four: combine Fig. 5 and Fig. 6 and present embodiment is described，Burner 1 described in present embodiment includes burner body 1-1、Premix chamber 1-2、Flame sighting tube 1-4、Fuel gas pipe 1-5、Three trouble type arms and multiple swirl vane 1-16，Described burner body 1-1 is connected with burning disposal chamber by premix chamber 1-2，Described burner body 1-1 top is machined with air intake 1-3，The top of described premix chamber 1-2 is machined with main fuel gas entrance 1-19，One end of described flame sighting tube 1-4 sequentially passes through burner body 1-1 and premix chamber 1-2 along the length direction of burner body 1-1，The other end of described flame sighting tube 1-4 is in outside burner body 1-1 and this end is the first observation flame end，One end of described fuel gas pipe 1-5 is communicated with three trouble type arms，In three trouble type arms three mouth of pipe is respectively igniter fuel gas entrance 1-6、Electric igniter interface 1-7 and igniting air intake 1-8，The other end of described fuel gas pipe 1-5 sequentially passes through burner body 1-1 and premix chamber 1-2 and arranges near flame sighting tube 1-4，Multiple swirl vane 1-16 are uniformly arranged in burner body 1-1 centered by flame sighting tube 1-4.

By burner 1, being equipped with between premix chamber and multiple swirl vane in present embodiment, play the effect of overheavy firing.According to the change that machine utilization occurs of regenerated flue gas, the quantitative change of regenerated flue gas is about 10:3, it is considered to when stop and start fortune and accident condition, turndown ratio, burner regulation ratio is designed as 15:1, fully adapts to the change of regenerated flue gas.Other NM structure and connected mode are identical with detailed description of the invention one or three.

Detailed description of the invention five: combine Fig. 5 and Fig. 6 and present embodiment is described, burner 1 described in present embodiment also includes altar lamp air inlet lines 1-9 and altar lamp fuel inlet pipe 1-10, described altar lamp air inlet lines 1-9 is located on burner body 1-1, one end that described altar lamp air inlet lines 1-9 is in burner body 1-1 is the second observation flame end, and described altar lamp fuel inlet pipe 1-10 is positioned at outside burner body 1-1 and is connected with altar lamp air inlet lines 1-9.

Being provided with altar lamp in this utility model in burner 1, altar lamp air inlet lines 1-9 provides air for altar lamp, and altar lamp fuel inlet pipe 1-10 provide fuel for altar lamp.The caloric value of altar lamp is not less than 0.025MW, fuel gas pressure 0.05-0.25MPa, even if in any condition when main burner stops burning, still supplying to altar lamp, making altar lamp stably burn.Other NM structure and connected mode are identical with detailed description of the invention four.

Detailed description of the invention six: combine Fig. 5 and Fig. 6 and present embodiment is described, burner 1 described in present embodiment also includes flame monitoring pipe 1-11 and the first cooling tube 1-12, flame monitoring pipe 1-11 also it is equipped with on described burner body 1-1, being in the interface end that the one end outside burner body 1-1 is flame monitor in described flame monitoring pipe 1-11, described first cooling tube 1-12 is positioned at outside burner body 1-1 and it is connected with flame monitoring pipe 1-11.Other NM structure and connected mode are identical with detailed description of the invention five.

Detailed description of the invention seven: combine Fig. 5 and Fig. 6 and present embodiment is described, supplementary fuel gas entrance 1-13 also it is machined with on the 1-4 of flame sighting tube described in present embodiment, described supplementary fuel gas entrance 1-13 is positioned at outside burner body 1-1 and arranges near the first observation flame end, and the second cooling tube 1-14 is positioned at outside burner body 1-1 and is connected with flame sighting tube 1-4.Other NM structure and connected mode are identical with detailed description of the invention four.

Detailed description of the invention eight: combine figure Fig. 5 and Fig. 6 and present embodiment is described, on premix chamber 1-2 described in present embodiment, connection has secondary for airduct 1-15, described secondary is inclined on premix chamber 1-2 for airduct 1-15, secondary is α for the angle between central axis and the longitudinal axis of premix chamber 1-2 horizontal direction of airduct 1-15 axial direction, and the span of angle α is 15 ° to 25 °.

In present embodiment, three in three trouble type arms the mouth of pipe is respectively igniter fuel gas entrance 1-6, electric igniter interface 1-7 and igniting air intake 1-8, it is passed through igniter fuel by igniter fuel gas entrance 1-6, igniting air intake 1-8 is passed through igniting air, light a fire through electric igniter interface 1-7, enter burner body 1-1 combustion medium by supplementary fuel gas entrance 1-13 and air intake 1-3 immediately to burn, the secondary wind that being passed through main fuel gas entrance 1-19 again provides for airduct 1-15 with secondary matches, the swirl flame of the burner body 1-1 angle α tangentially entered into and through between itself and secondary confession airduct 1-15 by main fuel gas entrance 1-19, formed in the burning disposal chamber that complete swirl flow combustion enters rear portion.Fuel tolerance and air capacity give sufficient remaining according to the amount of main fuel gas entrance 1-19 and the fluctuation situation of parameter and consider, and are suitably regulated by control system, make burning more abundant.

In present embodiment, secondary is α for the angle of airduct 1-15 with premix chamber 1-2 junction, and secondary is 15 ° to 25 ° for the span of the angle α between airduct 1-15 and the central axis of premix chamber 1-2 horizontal direction.Owing to this utility model is horizontal boiler, being i.e. horizontally set on ground boiler, angle α is considered as secondary for the angle between airduct 1-15 and level ground.Other NM structure and connected mode and detailed description of the invention five, six or seven are identical.

Detailed description of the invention nine: combine Fig. 1 to Fig. 6 and present embodiment is described, present embodiment also includes that bracing frame 11, described center processing chamber are outside equipped with bracing frame 11, and described drum 12 is arranged on bracing frame 11.Other NM structure and connected mode are identical with detailed description of the invention eight.

Detailed description of the invention ten: combine Fig. 1 to Fig. 6 and present embodiment is described, present embodiment it also include that bracing frame 11, described center processing chamber are outside equipped with bracing frame 11, described drum 12 is arranged on bracing frame 11.Other NM structure and connected mode and detailed description of the invention one, three or seven are identical.

Work process of the present utility model:

Fume treatment process: flue gas tangentially enters in burner body 1-1 by main fuel gas entrance 1-19 from top to bottom, the secondary wind that burner body 1-1 coordinates angle α to be passed through by multiple swirl vane 1-16 again forms effective swirl flow combustion, by burning disposal intracavity burning gases be sufficiently mixed and burn, direct current tracery wall indoor adjustment velocity of flue gas, the air-flow uniformity and airflow direction laggard enter front-packed evaporator 5.Flue gas washes away premenstrual the putting of tube bank successively and discharges after vaporizer 5, second steam superheater 6, one-level steam superheater 7,8, two grades of economizers 9 of rearmounted vaporizer and one-level economizer 10, completes flue gas flow.

Water cycle process: boiler feedwater first passes through two grades of economizers 9 and one-level economizer 10 heats, the undersaturation water of heating enters drum 12, front-packed evaporator 5 and rearmounted vaporizer 8 is entered by down-comer, front-packed evaporator 5 and rearmounted vaporizer 8 constitute the evaporating heating surface of boiler, form steam water interface and enter drum 12, saturated vapor and water is separated by drum 12, saturated vapor enters one-level steam superheater 7 by connecting tube, superheated steam is produced, for production application after entering second steam superheater 6 after direct-contact desuperheater carries out temperature regulation.

Claims (10)

1. null1. a Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler，It is characterized in that: it includes burning disposal chamber (2)、Center processing chamber (3)、Afterbody processes chamber (4)、Burner (1)、Front-packed evaporator (5)、Second steam superheater (6)、One-level steam superheater (7)、Rearmounted vaporizer (8)、Two grades of economizers (9)、One-level economizer (10) and drum (12)，Described burning disposal chamber (2)、Center processing chamber (3) and afterbody process chamber (4) and are sequentially communicated in the horizontal direction，One end of described burning disposal chamber (2) is provided with burner (1)，It is in turn divided into combustor by near one end of burner (1) to the other end away from burner (1) in described burning disposal chamber (2)、Burning chamber and direct current tracery wall room，Described center processing chamber (3) is outside equipped with drum (12)，It is in turn divided into the first process chamber in described center processing chamber (3)、Second process chamber and the 3rd process chamber，Described first process chamber is connected with direct current tracery wall room，3rd process chamber processes chamber (4) with afterbody and is connected，Described front-packed evaporator (5) is arranged in the first process chamber，Described second steam superheater (6) and one-level steam superheater (7) are disposed in parallel in the second process chamber，Described rearmounted vaporizer (8) is arranged in the 3rd process chamber，Described two grades of economizers (9) and one-level economizer (10) are disposed in parallel in afterbody and process in chamber (4)，Described one-level economizer (10) is connected with two grades of economizers (9)，Described two grades of economizers (9) are connected with the water inlet end of drum (12)，Described front-packed evaporator (5) is connected with drum (12) respectively with rearmounted vaporizer (8)，The water side of described drum (12) is connected with the admission end of one-level steam superheater (7)，The steam output end of described one-level steam superheater (7) is connected by the admission end of direct-contact desuperheater with second steam superheater (6)，The steam output end of second steam superheater (6) is superheated steam outlet side.
2. nullA kind of Horizontal high efficient energy saving environmental protection CO the most according to claim 1 burns modular afterheat boiler，It is characterized in that: described rearmounted vaporizer (8) includes upper collecting chamber (8-1)、Lower header (8-2)、Intermediate support beam (8-3)、Exterior support frame (8-5) and many studded tubes (8-4)，Described upper collecting chamber (8-1)、Lower header (8-2)、Intermediate support beam (8-3) and many studded tubes (8-4) are arranged in exterior support frame (8-5)，Described upper collecting chamber (8-1) and lower header (8-2) horizontal alignment are arranged，Described upper collecting chamber (8-1) is positioned at the surface of lower header (8-2)，Described many studded tubes (8-4) are the most vertically set up in parallel and pass through intermediate support beam (8-3) and are arranged between upper collecting chamber (8-1) and lower header (8-2)，Every studded tube (8-4) includes bend loss (8-4-1)、Straight length (8-4-2) and lower bend loss (8-4-3)，Described upper bend loss (8-4-1)、Straight length (8-4-2) is the most sequentially fixed with lower bend loss (8-4-3) to connect and is made as one，The upper end of described upper bend loss (8-4-1) is connected with upper collecting chamber (8-1)，The lower end of described lower bend loss (8-4-3) is connected with lower header (8-2).
3. A kind of Horizontal high efficient energy saving environmental protection CO the most according to claim 2 burns modular afterheat boiler, it is characterized in that: described rearmounted vaporizer (8) also includes in header support (8-6), least one set accessory part (8-8) under accessory part (8-7) and least one set, described header support (8-6) is arranged on the top of intermediate support beam (8-3), and described upper collecting chamber (8-1) is arranged on header support (8-6)；In least one set, accessory part (8-7) is arranged on the top of exterior support frame (8-5), upper accessory part (8-7) includes the first hermetically sealed case pipe (8-7-1), first inner tube (8-7-2) and the first sealing plate (8-7-3), first hermetically sealed case pipe (8-7-1) is located on exterior support frame (8-5), described first inner tube (8-7-2) is sleeved in the first hermetically sealed case pipe (8-7-1) and its lower end is connected with upper collecting chamber (8-1), described first sealing plate (8-7-3) is sleeved on the upper end of the first inner tube (8-7-2) and its lower surface is adjacent to mutually with the first hermetically sealed case pipe (8-7-1), the tube wall of described first hermetically sealed case pipe (8-7-1) is curved tube wall；Under least one set, accessory part (8-8) is arranged on the bottom of exterior support frame (8-5), lower accessory part (8-8) includes the second hermetically sealed case pipe (8-8-1), second inner tube (8-8-2) and the second sealing plate (8-8-3), second hermetically sealed case pipe (8-8-1) is located on exterior support frame (8-5), described second inner tube (8-8-2) is sleeved in the second hermetically sealed case pipe (8-8-1) and its upper end is connected with lower header (8-2), described second sealing plate (8-8-3) is sleeved on the lower end of the second inner tube (8-8-2) and its upper surface is adjacent to mutually with the second hermetically sealed case pipe (8-8-1), the tube wall of described second hermetically sealed case pipe (8-8-1) is curved tube wall.
4. null4. burn modular afterheat boiler according to a kind of Horizontal high efficient energy saving environmental protection CO described in claim 1 or 3，It is characterized in that: described burner (1) includes burner body (1-1)、Premix chamber (1-2)、Flame sighting tube (1-4)、Fuel gas pipe (1-5)、Three trouble type arms and multiple swirl vane (1-16)，Described burner body (1-1) is connected with burning disposal chamber (2) by premix chamber (1-2)，Described burner body (1-1) top is machined with air intake (1-3)，The top of described premix chamber (1-2) is machined with main fuel gas entrance (1-19)，One end of described flame sighting tube (1-4) sequentially passes through burner body (1-1) and premix chamber (1-2) along the length direction of burner body (1-1)，The other end of described flame sighting tube (1-4) is in burner body (1-1), and outward and this end is the first observation flame end，One end of described fuel gas pipe (1-5) is communicated with three trouble type arms，In three trouble type arms three mouth of pipe is respectively igniter fuel gas entrance (1-6)、Electric igniter interface (1-7) and igniting air intake (1-8)，The other end of described fuel gas pipe (1-5) sequentially passes through burner body (1-1) and premix chamber (1-2) and arranges near flame sighting tube (1-4)，Multiple swirl vanes (1-16) are uniformly arranged in burner body (1-1) centered by flame sighting tube (1-4).
5. A kind of Horizontal high efficient energy saving environmental protection CO the most according to claim 4 burns modular afterheat boiler, it is characterized in that: described burner (1) also includes altar lamp air inlet lines (1-9) and altar lamp fuel inlet pipe (1-10), described altar lamp air inlet lines (1-9) is located on burner body (1-1), and described altar lamp fuel inlet pipe (1-10) is positioned at burner body (1-1) and outward and is connected with altar lamp air inlet lines (1-9).
6. A kind of Horizontal high efficient energy saving environmental protection CO the most according to claim 5 burns modular afterheat boiler, it is characterized in that: described burner (1) also includes flame monitoring pipe (1-11) and the first cooling tube (1-12), flame monitoring pipe (1-11) also it is equipped with on described burner body (1-1), described flame monitoring pipe (1-11) is in burner body (1-1) interface end that one end is flame monitor outward, described first cooling tube (1-12) is positioned at burner body (1-1), and outward and it is connected with flame monitoring pipe (1-11).
7. A kind of Horizontal high efficient energy saving environmental protection CO the most according to claim 4 burns modular afterheat boiler, it is characterized in that: on described flame sighting tube (1-4), be also machined with supplementary fuel gas entrance (1-13), described supplementary fuel gas entrance (1-13) is positioned at burner body (1-1) and outward and arranges near the first observation flame end, and the second cooling tube (1-14) is positioned at burner body (1-1) and outward and is connected with flame sighting tube (1-4).
8. 8. burn modular afterheat boiler according to a kind of Horizontal high efficient energy saving environmental protection CO described in claim 5,6 or 7, it is characterized in that: the upper connection of described premix chamber (1-2) has secondary for airduct (1-15), described secondary is inclined on premix chamber (1-2) for airduct (1-15), secondary is α for the angle between central axis and the longitudinal axis of premix chamber (1-2) horizontal direction of airduct (1-15) axial direction, and the span of angle α is 15 ° to 25 °.
9. A kind of Horizontal high efficient energy saving environmental protection CO the most according to claim 8 burns modular afterheat boiler, it is characterized in that: it also includes bracing frame (11), described center processing chamber is outside equipped with bracing frame (11), and described drum (12) is arranged on bracing frame (11).
10. 10. burn modular afterheat boiler according to a kind of Horizontal high efficient energy saving environmental protection CO described in claim 1,3 or 7, it is characterized in that: it also includes bracing frame (11), described center processing chamber is outside equipped with bracing frame (11), and described drum (12) is arranged on bracing frame (11).