CN102297509B - Boiler drum longitudinally arranged chain grate hot water boiler - Google Patents

Boiler drum longitudinally arranged chain grate hot water boiler Download PDF

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Publication number
CN102297509B
CN102297509B CN 201110293961 CN201110293961A CN102297509B CN 102297509 B CN102297509 B CN 102297509B CN 201110293961 CN201110293961 CN 201110293961 CN 201110293961 A CN201110293961 A CN 201110293961A CN 102297509 B CN102297509 B CN 102297509B
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communicated
drum
vertical
water
boiler
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CN102297509A (en
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马丽娜
张海英
马广来
邓玉宽
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HARBIN TIANDIKUAN ENERGY-SAVING TECHNOLOGY Co Ltd
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HARBIN TIANDIKUAN ENERGY-SAVING TECHNOLOGY Co Ltd
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Abstract

The invention discloses a boiler drum longitudinally arranged chain grate hot water boiler, and relates to a hot water boiler to solve the problems that the conventional boiler has low thermal efficiency and high coal consumption, pipes are easy to block, and smoke discharging temperature is high. The boiler drum longitudinally arranged chain grate hot water boiler comprises a left longitudinal upper header, a right longitudinal upper header, a left longitudinal water tank, two first vertical water distributing pipes, two second vertical water distributing pipes, a plurality of upper transverse headers, a plurality of lower transverse headers, a front transverse header, a rear transverse header, a plurality of first water cooling wall pipes, a plurality of second water cooling wall pipes, a plurality of groups of third water cooling wall pipes, a plurality of groups of fourth water cooling wall pipes, a plurality of groups of fifth water cooling wall pipes, a plurality of groups of sixth water cooling wall pipes, a plurality of groups of upper convection banks, a plurality of groups of front convection banks, a plurality of groups of rear convection banks, and at least one convection economizer, wherein the front transverse header and the rear transverse header are communicated with a left coking prevention ark and a right coking prevention ark; adjacent upper boiler drums in a plurality of upper boiler drums, and the left longitudinal upper header and the right longitudinal upper header and the respectively adjacent upper boiler drums are communicated thorough the plurality of upper transverse headers. The boiler drum longitudinally arranged chain grate hot water boiler is used for central heating.

Description

Drum longitudinal chain grate hot-water boiler
Technical field
The present invention relates to a kind of hot-water boiler.
Background technology
The boiler major part of producing at present is Water-fire pipe type boiler, and heating surface area is little, and the thermal efficiency is low, and coal consumption is large, and operating cost is high.Often stop up in threaded flue, the every two weeks of smoke pipe needs deashing once, and hand labor intensity is large, and needs shutdown maintenance.
Summary of the invention
The objective of the invention is that existing boiler thermal output is low, coal consumption large in order to solve, pipe easily stops up and the problem of high fume temperature, and then a kind of drum longitudinal chain grate hot-water boiler is provided.
the present invention addresses the above problem the technical scheme of taking to be: drum longitudinal chain grate hot-water boiler of the present invention comprises body of heater, layered coal feeder, feeding-coal bucket, the cross bearer traveling-grate stoker, face arch, rear arch, left anti-clinker box, right anti-clinker box, a plurality of upper drums and a plurality of lower drums consistent with this upper drum quantity, the bottom of a plurality of upper drums is burner hearth, rear end, the chain fire-gate bottom of described cross bearer is provided with slag notch, described feeding-coal bucket be arranged on the place ahead of body of heater front wall and be positioned at cross bearer traveling-grate stoker input directly over, layered coal feeder is arranged between the feeding-coal bucket and cross bearer traveling-grate stoker input in the place ahead of body of heater front wall, the chain fire-gate output of cross bearer is arranged on the below in burner hearth, and this boiler also comprises left vertical upper collecting chamber, right vertical upper collecting chamber, left vertical water pipe, right vertical water pipe, two the first vertical distributive pipes, two the second vertical distributive pipes, a plurality of top rail headers, a plurality of bottom rail headers, front horizontal header, rear horizontal header, many the first water screen tubes, many the second water screen tubes, many groups the 3rd water screen tube, many groups the 4th water screen tube, many groups the 5th water screen tube, many groups the 6th water screen tube, arch tube before many groups, many rear arched tubes, the upper convection bank of many groups, convection bank before many groups, convection bank after many groups, many the first down-comers, many the second down-comers and at least one convection type economizer, be vertically arranged with at least two in burner hearth and ranked first deflected current wall, rear arch and adjacent two ranked first and is combustion chamber district between deflected current wall, after burner hearth, the upper end of wall is provided with boiler smoke outlet, be provided with at least one convection type economizer after burner hearth after wall and body of heater between wall, after body of heater, the upper end of wall is provided with exhaust opening, after body of heater, the lower end of wall is provided with blast orifice, and cross bearer chain fire-gate both sides are provided with air inlet, described a plurality of upper drum and a plurality of lower drum vertically are symmetricly set on top and bottom in body of heater and a plurality of upper drum and a plurality of lower drum after body of heater front wall and burner hearth between wall, a symmetrically arranged upper drum and a lower drum consist of a drum group, the bottom of convection type economizer is communicated with the pipe network water collector, the top of convection type economizer is communicated with an end of the vertical water pipe in a left side and an end of right vertical water pipe respectively, one end of a wherein vertical distributive pipe of described two the first vertical distributive pipes and left vertical cross current, one end of a vertical distributive pipe of residue of described two the first vertical distributive pipes and right vertical cross current, the other end of two the first vertical distributive pipes all is communicated with front horizontal header, one end of wherein second a vertical distributive pipe of described two the second vertical distributive pipes and left vertical cross current, one end of second a vertical distributive pipe of residue of described two the second vertical distributive pipes and right vertical cross current, the other end of two the second vertical distributive pipes all is communicated with rear horizontal header, front horizontal header and rear horizontal header are communicated with left anti-clinker box and right anti-clinker box respectively, the two ends of many first water screen tubes are communicated with left anti-clinker box and left vertical upper collecting chamber respectively, the two ends of many second water screen tubes are communicated with right anti-clinker box and right vertical upper collecting chamber respectively, in a plurality of upper drums between adjacent upper drum and left vertical upper collecting chamber and the right upper collecting chamber of indulging all be communicated with by a plurality of top rail headers respectively with between adjacent separately upper drum, the two ends of every group of the 3rd water screen tube are communicated with the vertical upper collecting chamber in a left side and the bottom rail header corresponding with this group the 3rd water screen tube respectively, the two ends of every group of the 4th water screen tube are communicated with the vertical upper collecting chamber in the right side and the bottom rail header corresponding with this group the 4th water screen tube respectively, the two ends of every group of the 5th water screen tube are communicated with left anti-clinker box and the bottom rail header corresponding with this group the 5th water screen tube respectively, the corresponding bottom rail header connection of the 6th water screen tube is organized with right anti-clinker box and this respectively in the two ends of every group of the 6th water screen tube, before every group, the corresponding lower drum connection of front arch tube is organized with front horizontal header and this respectively in the two ends of arch tube, the two ends of every rear arched tube are communicated with rear horizontal header and the lower drum corresponding with this rear arched tube respectively, the two ends of convection bank are communicated with front horizontal header and the bottom rail header corresponding with this convection bank respectively before every group, after every group, the two ends of convection bank are communicated with rear horizontal header and the bottom rail header corresponding with this convection bank respectively, be communicated with by a plurality of top rail headers between adjacent lower drum in a plurality of lower drums, the two ends that are provided with the upper convection bank of convection bank on a group and this group between each drum group are communicated with upper drum and lower drum in this drum group respectively, the two ends of every the first down-comer are communicated with left anti-clinker box and the lower drum corresponding with this first down-comer respectively, the two ends of every the second down-comer are communicated with right anti-clinker box and the lower drum corresponding with this second down-comer respectively, and the number of upper drum is consistent with the group number of upper convection bank.
The invention has the beneficial effects as follows:
1, the thermal efficiency is high: the double-deck longitudinal of drum of the present invention is arranged, adopt convection type structure (convection bank is arranged vertically), connect upper and lower drum by convection bank, forward and backward horizontal header is connected to lower drum by down-comer, heating surface area is large, radiation heating-surface is large, and economizer surface is large, and boiler thermal output is greater than 88%.
2, less scaling in convection bank: convection bank is arranged vertically, and is difficult for producing carbonate scale in pipe; Convection bank is difficult for carbon distribution, dust stratification outward: restrain outer carbon, the ash easily come off under Action of Gravity Field, every group of interbank being equipped with blown grey hole.Close air blast, drive air-introduced machine and blow ash with air compressor, first blow convection bank top, after-blow convection bank bottom does not need blowing out to safeguard.
3, the deflected current wall head-on collision is distinguished and economized on coal: fire coal enters the traveling-grate stoker preignition zone, because making cleaned coal, drum, the effect of air inducing power suspend, general boiler head-on collision is in boiler, and this boiler set up the combustion chamber district, cleaned coal clashes by deflected current wall, is deposited to rear arch, drop on traveling-grate stoker and fire the chamber district, burning again reaches effective utilization purpose of economizing on coal, and coal-fired consumption is saved more than 10%.
4, economizer adopts the convection type structure, and heating surface is large, and convection bank all adopts Φ 51 * 3 seamless steel pipes to be arranged vertically for reducing wear, and economizes on coal 10%~20%, improves boiler output 120%~125%.
5, air preheater: adopt vertical, galvanized pipe Φ 48 * 2, air preheater is divided into two-stage; Flue gas is by galvanized pipe external tank air preheater, and both sides air inlet and both sides fire grate air inlet form hot wind for combustion supporting.Can effectively destroy the layer sulphur property of flue gas due to zinc-plated light pipe, so interior smooth dust stratification not, heat transfer efficiency is high; The primary and secondary air preheat temperature can reach 80~120 ℃, improves fire box temperature, and fire coal fully burns, and boiler slag carbon content is below 7%.
6, reduce heat loss due to exhaust gas: reduce the greenhouse discharging, exhaust gas temperature is reduced to 105~130 ℃.
7, Environmental-protecting dust-removing: 1) flue gas clashes by deflected current wall, burns ash and falls into fire grate combustion chamber district, discharges out of the furnace with mucking machine;
2) desulfurization dust chamber: utilize the smoke settlement method, most of flue dust falls into desulfurization dust chamber, reduces discharging.
Description of drawings
Fig. 1 is overall structure master's cutaway view of the present invention (in figure, the direction of arrow indication is the water outlet direction), Fig. 2 be the A-A of Fig. 1 to view (in figure the direction of arrow indication for water inlet direction), Fig. 3 be the B-B of Fig. 1 to view, Fig. 4 is boiler masonry figure.
The specific embodiment
the specific embodiment one: in conjunction with Fig. 1~Fig. 4, present embodiment is described, the drum longitudinal chain grate hot-water boiler of present embodiment comprises body of heater 6, layered coal feeder 16, feeding-coal bucket 17, cross bearer traveling-grate stoker 15, face arch 57, rear arch 54, left anti-clinker box 33, right anti-clinker box 32, a plurality of upper drums 35 and a plurality of lower drums 46 consistent with this upper drum quantity, the bottom of a plurality of upper drums 35 is burner hearth 24, the rear end, bottom of described cross bearer traveling-grate stoker 15 is provided with slag notch 14, described feeding-coal bucket 17 be arranged on the place ahead of body of heater front wall 58 and be positioned at cross bearer traveling-grate stoker 15 inputs directly over, layered coal feeder 16 is arranged between the feeding-coal bucket 17 and cross bearer traveling-grate stoker 15 inputs in the place ahead of body of heater front wall 58, the output of cross bearer traveling-grate stoker 15 is arranged on the below in burner hearth 24, and this boiler also comprises left vertical upper collecting chamber 28, right vertical upper collecting chamber 20, left vertical water pipe 22, right vertical water pipe 36, two the first vertical distributive pipes 21, two the second vertical distributive pipes 37, a plurality of top rail headers 39, a plurality of bottom rail headers 29, front horizontal header 18, rear horizontal header 27, many the first water screen tubes 5, many the second water screen tubes 38, many groups the 3rd water screen tube 23, many groups the 4th water screen tube 40, many groups the 5th water screen tube 26, many groups the 6th water screen tube 41, arch tube 19 before many groups, many rear arched tubes 25, the upper convection bank 45 of many groups, convection bank 50 before many groups, convection bank 51 after many groups, many the first down-comers 4, many second down-comers 42 and at least one convection type economizer 9, be vertically arranged with at least two in burner hearth 24 and ranked first deflected current wall 53, rear arch 54 and adjacent two ranked first and is combustion chamber district 56 between deflected current wall 53, after burner hearth, the upper end of wall 59 is provided with boiler smoke outlet 61, be provided with at least one convection type economizer 9 after burner hearth after wall 59 and body of heater between wall 60, after body of heater, the upper end of wall 60 is provided with exhaust opening 8, after body of heater, the lower end of wall 60 is provided with blast orifice 13, and the both sides of cross bearer traveling-grate stoker 15 are provided with air inlet 12, described a plurality of upper drum 35 and a plurality of lower drum 46 vertically are symmetricly set on top and bottom in body of heater 6 and a plurality of upper drum 35 and a plurality of lower drum 46 after body of heater front wall 58 and burner hearth between wall 59, a symmetrically arranged upper drum 35 and a lower drum 46 consist of a drum group, the bottom of convection type economizer 9 is communicated with the pipe network water collector, the top of convection type economizer 9 is communicated with an end of the vertical water pipe 22 in a left side and an end of right vertical water pipe 36 respectively, one end of a wherein vertical distributive pipe 21 of described two the first vertical distributive pipes 21 is communicated with left vertical water pipe 22, one end of a vertical distributive pipe 21 of residue of described two the first vertical distributive pipes 21 is communicated with right vertical water pipe 36, the other end of two the first vertical distributive pipes 21 all is communicated with front horizontal header 18, one end of wherein second a vertical distributive pipe 37 of described two the second vertical distributive pipes 37 is communicated with left vertical water pipe 22, one end of second a vertical distributive pipe 37 of the residue of described two the second vertical distributive pipes 37 is communicated with right vertical water pipe 36, the other end of two the second vertical distributive pipes 37 all is communicated with rear horizontal header 27, front horizontal header 18 and rear horizontal header 27 are communicated with left anti-clinker box 33 and right anti-clinker box 32 respectively, the two ends of many first water screen tubes 5 are communicated with left anti-clinker box 33 and left vertical upper collecting chamber 28 respectively, the two ends of many second water screen tubes 38 are communicated with right anti-clinker box 32 and right vertical upper collecting chamber 20 respectively, in a plurality of upper drums 35 between adjacent upper drum 35 and left vertical upper collecting chamber 28 and the right upper collecting chamber 20 of indulging all be communicated with by a plurality of top rail headers 39 respectively with between adjacent separately upper drum 35, the two ends of every group of the 3rd water screen tube 23 are communicated with the vertical upper collecting chamber 28 in a left side and the bottom rail header 29 corresponding with this group the 3rd water screen tube 23 respectively, the two ends of every group of the 4th water screen tube 40 are communicated with the vertical upper collecting chamber 20 in the right side and the bottom rail header 29 corresponding with this group the 4th water screen tube 40 respectively, the two ends of every group of the 5th water screen tube 26 are communicated with left anti-clinker box 33 and the bottom rail header 29 corresponding with this group the 5th water screen tube 26 respectively, 29 connections of the corresponding bottom rail header of the 6th water screen tube 41 are organized with right anti-clinker box 32 and this respectively in the two ends of every group of the 6th water screen tube 41, before every group, 46 connections of the corresponding lower drum of front arch tube 19 are organized with front horizontal header 18 and this respectively in the two ends of arch tube 19, the two ends of every rear arched tube 25 are communicated with rear horizontal header 27 and the lower drum 46 corresponding with this rear arched tube 25 respectively, the two ends of convection bank 50 are communicated with front horizontal header 18 and the bottom rail header 29 corresponding with this convection bank 50 respectively before every group, after every group, the two ends of convection bank 51 are communicated with rear horizontal header 27 and the bottom rail header 29 corresponding with this convection bank 51 respectively, be communicated with by a plurality of top rail headers 39 between adjacent lower drum 46 in a plurality of lower drums 46, the two ends that are provided with the upper convection bank 45 of convection bank 45 on a group and this group between each drum group are communicated with upper drum 35 and lower drum 46 in this drum group respectively, the two ends of every the first down-comer 4 are communicated with left anti-clinker box 33 and the lower drum 46 corresponding with this first down-comer 4 respectively, the two ends of every the second down-comer 42 are communicated with right anti-clinker box 32 and the lower drum 46 corresponding with this second down-comer 42 respectively, and the number of upper drum 35 is consistent with the group number of upper convection bank 45.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1, the described convection type economizer 9 of present embodiment comprises upper shell 7, lower shell 11 and one group of convection bank 10, the upper end of convection bank 10 is communicated with upper shell 7, the lower end of convection bank 10 is communicated with lower shell 11, the bottom lower shell 11 of convection type economizer 9 is communicated with the pipe network water collector, the upper shell 7 on the top of convection type economizer 9 is communicated with an end of the vertical water pipe 22 in a left side and an end of right vertical water pipe 36 respectively, and is vertically arranged with the second deflected current wall 52 between upper shell 7 and lower shell 11.So arrange, heating surface is large, and convection bank is difficult for carbon distribution, dust stratification outward, does not produce dirt in convection tube, avoids convection bank to stop up, and effectively saving is coal-fired, effectively reduces exhaust gas temperature simultaneously, has greatly improved boiler thermal output.Other is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 and Fig. 3, present embodiment is described, the quantity of the upper drum 35 of present embodiment is 3-6.So arrange, heating surface area is large, and boiler thermal output is high, and convection bank is difficult for carbon distribution, dust stratification outward, does not produce dirt in convection bank, avoids convection bank to stop up, and meets design requirement simultaneously.Other is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 2, present embodiment is described, the group number of described the 3rd water screen tube 23 of present embodiment and the 4th water screen tube 40 is consistent, and every group of the 3rd water screen tube 23 and every group of the 4th water screen tube 40 are provided with at least nine pipes.So arrange, be conducive to the convection bank heat transfer, meet design requirement.Other is identical with the specific embodiment one.
The specific embodiment five: present embodiment is described in conjunction with Fig. 1, the boiler of present embodiment also comprises air preheater 2, described air preheater 2 is horizontally installed on after burner hearth after wall 59 and body of heater in the body of heater 6 between wall 60, and air preheater 2 is positioned at the bottom of convection type economizer 9, the entrance of air preheater 2 is communicated with blast orifice 13, and the outlet of air preheater 2 is communicated with the both sides air inlet 12 of cross bearer traveling-grate stoker 15.So arrange, be conducive to further improve the thermal efficiency of boiler, meet design requirement.Other is identical with the specific embodiment one.
The specific embodiment six: in conjunction with Fig. 1, present embodiment is described, the boiler of present embodiment also comprises desulfurization dust chamber 3, and described desulfurization dust chamber 3 is positioned at the bottom of air preheater 2.So arrange, be conducive to that in flue gas, most of flue dust falls into desulfurization dust chamber, reduce discharging.Other is identical with the specific embodiment one.

Claims (6)

1. drum longitudinal chain grate hot-water boiler, this boiler comprises body of heater (6), layered coal feeder (16), feeding-coal bucket (17), cross bearer traveling-grate stoker (15), face arch (57), rear arch (54), left anti-clinker box (33), right anti-clinker box (32), a plurality of upper drums (35) and a plurality of lower drums (46) consistent with this upper drum quantity, the bottom of a plurality of upper drums (35) is burner hearth (24), the rear end, bottom of described cross bearer traveling-grate stoker (15) is provided with slag notch (14), described feeding-coal bucket (17) be arranged on the place ahead of body of heater front wall (58) and be positioned at cross bearer traveling-grate stoker (15) input directly over, layered coal feeder (16) is arranged between the feeding-coal bucket (17) and cross bearer traveling-grate stoker (15) input in the place ahead of body of heater front wall (58), the output of cross bearer traveling-grate stoker (15) is arranged on the below in burner hearth (24), it is characterized in that: this boiler also comprises left vertical upper collecting chamber (28), right vertical upper collecting chamber (20), left vertical water pipe (22), right vertical water pipe (36), two the first vertical distributive pipes (21), two the second vertical distributive pipes (37), a plurality of top rail headers (39), a plurality of bottom rail headers (29), front horizontal header (18), rear horizontal header (27), many the first water screen tubes (5), many the second water screen tubes (38), many group the 3rd water screen tubes (23), many group the 4th water screen tubes (40), many group the 5th water screen tubes (26), many group the 6th water screen tubes (41), arch tube (19) before many groups, many rear arched tubes (25), the upper convection bank (45) of many groups, convection bank (50) before many groups, convection bank (51) after many groups, many the first down-comers (4), many the second down-comers (42) and at least one convection type economizer (9), be vertically arranged with at least two in burner hearth (24) and ranked first deflected current wall (53), rear arch (54) and adjacent two ranked first and is combustion chamber district (56) between deflected current wall (53), the upper end of wall after burner hearth (59) is provided with boiler smoke outlet (61), be provided with at least one convection type economizer (9) after wall after burner hearth (59) and body of heater between wall (60), the upper end of wall after body of heater (60) is provided with exhaust opening (8), the lower end of wall after body of heater (60) is provided with blast orifice (13), the both sides of cross bearer traveling-grate stoker (15) are provided with air inlet (12), described a plurality of upper drum (35) and a plurality of lower drum (46) vertically are symmetricly set on top and bottom in body of heater (6) and a plurality of upper drum (35) and a plurality of lower drum (46) and are positioned at after body of heater front wall (58) and burner hearth between wall (59), a symmetrically arranged upper drum (35) and a lower drum (46) consist of a drum group, the bottom of convection type economizer (9) is communicated with the pipe network water collector, the top of convection type economizer (9) is communicated with an end of the vertical water pipe (22) in a left side and an end of right vertical water pipe (36) respectively, one end of a wherein vertical distributive pipe (21) of described two the first vertical distributive pipes (21) is communicated with left vertical water pipe (22), one end of a vertical distributive pipe of residue (21) of described two the first vertical distributive pipes (21) is communicated with right vertical water pipe (36), the other end of two the first vertical distributive pipes (21) all is communicated with front horizontal header (18), one end of wherein second a vertical distributive pipe (37) of described two the second vertical distributive pipes (37) is communicated with left vertical water pipe (22), one end of second a vertical distributive pipe (37) of the residue of described two the second vertical distributive pipes (37) is communicated with right vertical water pipe (36), the other end of two the second vertical distributive pipes (37) all is communicated with rear horizontal header (27), front horizontal header (18) and rear horizontal header (27) are communicated with left anti-clinker box (33) and right anti-clinker box (32) respectively, the two ends of many first water screen tubes (5) are communicated with left anti-clinker box (33) and left vertical upper collecting chamber (28) respectively, the two ends of many second water screen tubes (38) are communicated with right anti-clinker box (32) and right vertical upper collecting chamber (20) respectively, in a plurality of upper drums (35) between adjacent upper drum (35) and left vertical upper collecting chamber (28) and the right upper collecting chamber (20) of indulging all be communicated with by a plurality of top rail headers (39) respectively with between adjacent separately upper drum (35), the two ends of every group of the 3rd water screen tube (23) are communicated with the vertical upper collecting chamber (28) in a left side and the bottom rail header (29) corresponding with this group the 3rd water screen tube (23) respectively, the two ends of every group of the 4th water screen tube (40) are communicated with the vertical upper collecting chamber (20) in the right side and the bottom rail header (29) corresponding with this group the 4th water screen tube (40) respectively, the two ends of every group of the 5th water screen tube (26) are communicated with left anti-clinker box (33) and the bottom rail header (29) corresponding with this group the 5th water screen tube (26) respectively, corresponding bottom rail header (29) connection of the 6th water screen tube (41) is organized with right anti-clinker box (32) and this respectively in the two ends of every group of the 6th water screen tube (41), before every group, corresponding lower drum (46) connection of front arch tube (19) is organized with front horizontal header (18) and this respectively in the two ends of arch tube (19), the two ends of every rear arched tube (25) are communicated with rear horizontal header (27) and the lower drum (46) corresponding with this rear arched tube (25) respectively, the two ends of convection bank (50) are communicated with front horizontal header (18) and the bottom rail header (29) corresponding with this convection bank (50) respectively before every group, the two ends of convection bank after every group (51) are communicated with rear horizontal header (27) and the bottom rail header (29) corresponding with this convection bank (51) respectively, be communicated with by a plurality of top rail headers (39) between adjacent lower drum (46) in a plurality of lower drums (46), the two ends that are provided with the upper convection bank (45) of convection bank on a group (45) and this group between each drum group are communicated with upper drum (35) and lower drum (46) in this drum group respectively, the two ends of every the first down-comer (4) are communicated with left anti-clinker box (33) and the lower drum (46) corresponding with this first down-comer (4) respectively, the two ends of every the second down-comer (42) are communicated with right anti-clinker box (32) and the lower drum (46) corresponding with this second down-comer (42) respectively, the number of upper drum (35) is consistent with the group number of upper convection bank (45).
2. drum longitudinal chain grate hot-water boiler according to claim 1, it is characterized in that: described convection type economizer (9) comprises upper shell (7), lower shell (11) and one group of convection bank (10), the upper end of convection bank (10) is communicated with upper shell (7), the lower end of convection bank (10) is communicated with lower shell (11), the bottom lower shell (11) of convection type economizer (9) is communicated with the pipe network water collector, the upper shell (7) on the top of convection type economizer (9) is communicated with an end of the vertical water pipe (22) in a left side and an end of right vertical water pipe (36) respectively, and be vertically arranged with the second deflected current wall (52) between upper shell (7) and lower shell (11).
3. drum longitudinal chain grate hot-water boiler according to claim 1 and 2 is characterized in that: the quantity of upper drum (35) is 3-6.
4. drum longitudinal chain grate hot-water boiler according to claim 1, it is characterized in that: the group number of described the 3rd water screen tube (23) and the 4th water screen tube (40) is consistent, and every group of the 3rd water screen tube (23) and every group of the 4th water screen tube (40) are provided with at least nine pipes.
5. drum longitudinal chain grate hot-water boiler according to claim 1, it is characterized in that: this boiler also comprises air preheater (2), described air preheater (2) is horizontally installed on after burner hearth after wall (59) and body of heater in the body of heater (6) between wall (60), and air preheater (2) is positioned at the bottom of convection type economizer (9), the entrance of air preheater (2) is communicated with blast orifice (13), the outlet of air preheater (2) is communicated with the air inlet (12) of cross bearer traveling-grate stoker (15) both sides.
6. drum longitudinal chain grate hot-water boiler according to claim 1, it is characterized in that: this boiler also comprises desulfurization dust chamber (3), described desulfurization dust chamber (3) is positioned at the bottom of air preheater (2).
CN 201110293961 2011-09-30 2011-09-30 Boiler drum longitudinally arranged chain grate hot water boiler Active CN102297509B (en)

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CN103759414A (en) * 2014-01-26 2014-04-30 哈尔滨市天地宽节能技术有限公司 Energy-saving and environment-friendly hot-water boiler with longitudinally-arranged boiler barrels and obliquely-pushing reciprocating fire grate

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CN2874273Y (en) * 2006-01-18 2007-02-28 王德元 Assembled boiler
CN201047651Y (en) * 2007-05-30 2008-04-16 江苏双良锅炉有限公司 Self-contained boiler with water pipe with two return-stroke completely membrane type wall structure
CN101526262A (en) * 2008-03-07 2009-09-09 王森 Large-scale grate firing pressure phase change heat exchange hot water boiler
CN101324327B (en) * 2008-06-11 2010-08-25 江苏双良锅炉有限公司 Novel three-barrel structure quick-fixing water tube boiler
CN101832637B (en) * 2010-03-18 2012-08-22 无锡太湖锅炉有限公司 Hot water boiler with large-capacity water tubes
CN102200271B (en) * 2011-05-13 2012-12-19 江苏双良锅炉有限公司 Large module assembling water tube boiler
CN202229395U (en) * 2011-09-30 2012-05-23 哈尔滨市天地宽节能技术有限公司 Boiler barrel longitudinally-arranged chain grate hot water boiler

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