CN208332227U - A kind of SHL type semi-packaged boiler - Google Patents
A kind of SHL type semi-packaged boiler Download PDFInfo
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- CN208332227U CN208332227U CN201820970432.9U CN201820970432U CN208332227U CN 208332227 U CN208332227 U CN 208332227U CN 201820970432 U CN201820970432 U CN 201820970432U CN 208332227 U CN208332227 U CN 208332227U
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Abstract
The utility model discloses a kind of SHL type semi-packaged boilers, it includes boiler foundation layer, is equipped with boiler shell on boiler foundation layer；It is equipped with burner hearth in boiler shell, traveling-grate stoker, furnace wall cooling, upper drum and lower drum are installed in burner hearth, multiple pairs of overflow pipes are installed between lower drum and upper drum；It is provided with header tank below lower drum, is connected with down-comer and water screen tube on header tank；Burner hearth side is provided with energy saving shell, and being equipped on boss flange A and recessed flange B, boss flange A for energy saving shell is equipped with smoke-intake pipe, is equipped with pipe on recessed flange B；It is socketed with insulating layer outside the energy conservation shell, medium inlet pipe and medium outlet pipe are installed on insulating layer；Pipe one end is connected with air preheater, and air preheater is connected with air-introduced machine by flue gas outlet pipe.The utility model can not only improve packaging efficiency and prevent flue dust from blocking, and also have the advantages that low construction cost, heat absorption rate height, good airproof performance and energy conservation.
Description
Technical field
The utility model relates to a kind of boiler, especially a kind of SHL type semi-packaged boiler.
Background technique
SHL type boiler is a kind of double drum lateral arrangement Natural Circulation fire coal water-tube boilers, by horizontal upper drum, lower drum
Vertical shaft type burner hearth is formed with water screen tube, with convection bank, header lamp group at boiler body, the tail portion of boiler is additionally provided with province's coal
Device, air preheater etc.；Traditional SHL type boiler is factory usually in bulk, carries out assembling masonry at the scene, when leading to assembling
It is long to increase, and on-site assembly is carried out in boiler room, it may appear that because part excessively causes the size of part part to match inaccuracy,
It is more inconvenient to assemble, and also will affect the quality of assembling when serious, and packaging efficiency is lower；And general boiler room use
SHL type boiler foundation is rebuilding basis, and construction cost is higher；Meanwhile the flue gas of general SHL type boiler is walked in pipe
Channel will appear flue dust after working long hours and be blocked in pipe, need periodically to carry out it blowing out deashing work, affecting makes
With.Therefore, that there is packaging efficiencies is lower, flue dust blocks the higher problem of more serious and construction cost for traditional SHL type boiler.
Utility model content
The purpose of the utility model is to provide a kind of SHL type semi-packaged boilers.The utility model can not only improve assembling
Efficiency, additionally it is possible to prevent flue dust blocking low with construction cost is reduced.
The technical solution of the utility model includes: a kind of SHL type semi-packaged boiler, including single-layered boiler foundation layer, boiler
Boiler shell is installed on basal layer；Burner hearth is equipped in boiler shell, the bottom of burner hearth is equipped with traveling-grate stoker, the inner wall of burner hearth
It is equipped with furnace wall cooling；Chain fire-gate top is provided with upper drum, and lower drum is provided between upper drum and traveling-grate stoker,
It is fixedly installed between lower drum and upper drum multiple vertical equally distributed to overflow pipe；It is provided with below the lower drum
Header tank is connected separately with down-comer and water screen tube on the top surface and side of header tank；One end of down-comer and lower drum
Bottom surface connection, one end of water screen tube is connected to upper drum；The burner hearth side is provided with energy saving shell, one end of energy saving shell
Face is equipped with boss flange A, is equipped with smoke-intake pipe on boss flange A；The other end of energy saving shell is equipped with recessed flange B, recessed flange B
On pipe is installed；It is socketed with insulating layer outside the energy conservation shell, medium inlet pipe is installed on insulating layer one side；Insulating layer
Another side on be provided with medium outlet pipe, one end of medium outlet pipe is connect with upper drum；It is provided in the energy conservation shell more
Root heat exchanger tube；Described pipe one end is connected with air preheater, and flue gas outlet pipe, flue gas are provided on the bottom surface of air preheater
Air-introduced machine is connected in outlet pipe.
In a kind of SHL type semi-packaged boiler above-mentioned, the recessed flange A connecting with boss flange A is provided on the smoke-intake pipe；Institute
State the boss flange B for being provided on pipe and connecting with recessed flange B；Labyrinth type is filled out filled with sealing between boss flange A and recessed flange A
The bed of material, also labyrinth type is filled with airtight and watertight padding layer between boss flange B and recessed flange B；It is set between the insulating layer and energy saving shell
It is equipped with seal casinghousing.
In a kind of SHL type semi-packaged boiler above-mentioned, be respectively arranged on the two sidewalls of the air preheater cold medium into
Pipe and thermal medium exit tube, are provided with heat exchange coil, heat exchange coil is located at air preheat between cold medium inlet tube and thermal medium exit tube
In device.
In a kind of SHL type semi-packaged boiler above-mentioned, air blower is connected on the traveling-grate stoker, air blower goes out with thermal medium
Pipe connection.
In a kind of SHL type semi-packaged boiler above-mentioned, one end of the every heat exchanger tube is connected to medium inlet pipe, and every is changed
The other end of heat pipe is connected to medium outlet pipe；The serpentine-like distribution of every heat exchanger tube.
Compared with prior art, the utility model improves traditional SHL type boiler, by that will divide the both ends of overflow pipe
It is not fixedly connected in upper drum with lower drum, is assembled into big part, facilitated in boiler room by upper drum, lower drum and to flowing water
Pipe is assembled into burner hearth, by the way that a whole traveling-grate stoker is arranged, not only facilitates the assembling of SHL type boiler, moreover it is possible to reduce assembling
Working hour improves packaging efficiency；By the way that energy saving shell, smoke-intake pipe and pipe is arranged in burner hearth side, flue gas is enable to pass through
Smoke-intake pipe and pipe pass in and out energy saving shell；By being arranged more heat exchanger tubes in energy saving shell, the both ends of heat exchanger tube respectively at
Medium inlet pipe is connected with medium outlet pipe, and flue is made not need the equipment such as peripheral hardware superheater, economizer, reheater, preheater
In the case of, the heat in flue gas can be also recycled, construction cost is reduced；Meanwhile passing through setting header tank, down-comer and water
Cold wall pipe recycles the water energy in lower drum, and the heat absorption for preferably generating boiler combustion improves heat absorption
Rate.In addition, the utility model also by between boss flange A and recessed flange A, between boss flange B and recessed flange B be filled with labyrinth
The airtight and watertight padding layer of formula, and sealant is set between insulating layer and energy saving shell, pass through sealant and airtight and watertight padding layer
Collective effect not only increases the leakproofness of flue, moreover it is possible to prevent flue from reducing the efficiency of boiler because of gas leakage, save energy
Source；By the way that heat exchange coil is arranged in air preheater for the cold air that circulates, the flue gas for generating boiler is in air preheater
In walk the outer cold air progress heat exchange in pipe of pipe, while guaranteeing heat absorption, moreover it is possible to prevent flue dust from blocking in pipe,
It influences to use；By the way that boiler foundation layer is arranged to single layer arrangement, construction cost further reduced.Therefore, the utility model
Packaging efficiency can not only be improved and prevent flue dust from blocking, also there is low construction cost, heat absorption rate height, good airproof performance and section
The advantages of energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of air preheater；
Fig. 3 is the schematic diagram of internal structure of energy saving shell；
Fig. 4 is the partial enlarged view in Fig. 1 at A；
Fig. 5 is the partial enlarged view in Fig. 1 at B；
Fig. 6 is the partial enlarged view in Fig. 3 at C.
The label in accompanying drawing is: 1- boiler foundation layer, 2- boiler shell, 3- burner hearth, 4- traveling-grate stoker, 5- furnace water cooling
Wall, 6- upper drum, 7- lower drum, 8- is to overflow pipe, 9- header tank, 10- down-comer, 11- water screen tube, 12- energy conservation shell,
13- boss flange A, 14- smoke-intake pipe, the recessed flange B of 15-, 16- pipe, 17- insulating layer, 18- medium inlet pipe, 19- medium outlet pipe,
20- heat exchanger tube, 22- air preheater, 23- flue gas outlet pipe, 24- air-introduced machine, the recessed flange A of 25-, 26- boss flange B, 27- sealing are filled out
The bed of material, 28- seal casinghousing, 29- cold medium inlet tube, 30- thermal medium exit tube, 31- heat exchange coil, 32- air blower.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.A kind of SHL type semi-packaged boiler is constituted as shown in Figures 1 to 6, including single-layered boiler foundation layer 1,
Boiler shell 2 is installed on boiler foundation layer 1；Burner hearth 3 is equipped in boiler shell 2, the bottom of burner hearth 3 is equipped with traveling-grate stoker 4,
The inner wall of burner hearth 3 is equipped with furnace wall cooling 5；The top of traveling-grate stoker 4 is provided with upper drum 6, upper drum 6 and traveling-grate stoker 4
Between be provided with lower drum 7, be fixedly installed between lower drum 7 and upper drum 6 multiple vertical equally distributed to overflow pipe 8；
The lower section of the lower drum 7 is provided with header tank 9, is connected separately with down-comer 10 and water cooling on the top surface and side of header tank 9
Wall pipe 11；One end of down-comer 10 is connected to the bottom surface of lower drum 7, and one end of water screen tube 11 is connected to upper drum 6；The furnace
3 side of thorax is provided with energy saving shell 12, and an end face of energy saving shell 12 is equipped with boss flange A13, be equipped on boss flange A13 into
Smoke pipe 14；The other end of energy saving shell 12 is equipped with recessed flange B15, is equipped with pipe 16 on recessed flange B15；The energy conservation
It is socketed with insulating layer 17 outside shell 12, medium inlet pipe 18 is installed on 17 one side of insulating layer；On the another side of insulating layer 17
It is provided with medium outlet pipe 19, one end of medium outlet pipe 19 is connect with upper drum 6；More heat exchange are provided in the energy conservation shell 12
Pipe 20；Described 16 one end of pipe is connected with air preheater 22, and flue gas outlet pipe 23 is provided on the bottom surface of air preheater 22,
Air-introduced machine 24 is connected in flue gas outlet pipe 23.
The recessed flange A25 connecting with boss flange A13 is provided on the smoke-intake pipe 14；Be provided on the pipe 16 with
The boss flange B26 of recessed flange B15 connection；Labyrinth type is filled with airtight and watertight padding layer 27 between boss flange A13 and recessed flange A25, convex
Also labyrinth type is filled with airtight and watertight padding layer 27 between flange B26 and recessed flange B15；Between the insulating layer 17 and energy saving shell 12
It is provided with seal casinghousing 28；Cold medium inlet tube 29 and thermal medium exit tube are respectively arranged on the two sidewalls of the air preheater 22
30, heat exchange coil 31 is provided between cold medium inlet tube 29 and thermal medium exit tube 30, heat exchange coil 31 is located at air preheater 22
It is interior；Air blower 32 is connected on the traveling-grate stoker 4, air blower 32 is connect with thermal medium exit tube 30；The every heat exchanger tube 20
One end be connected to medium inlet pipe 18, the other end of every heat exchanger tube 20 is connected to medium outlet pipe 19；Every heat exchanger tube 20
Serpentine-like distribution.
Working principle: in use, first opening air preheater 22, air-introduced machine 24 and air blower 32, air blower 32 is opened
Afterwards, air can be sent into traveling-grate stoker 4；Then traveling-grate stoker 4 is sent fuel in burn in the front furnace in burner hearth 3
And heat and hot cigarette are generated, the high warm cigarette of generation can rise and carry out rotating jet flow with furnace wall cooling 5 in front furnace, then
It is moved in the rear hearth of burner hearth 3；Then cold water is sent into out of medium inlet pipe 18, cold water passes through heat exchanger tube 20 and medium outlet pipe 19
In into the hydrospace in upper drum 6 (be provided with two spaces in upper drum 6, a hydrospace, an air space, the two it
Between line of demarcation be water level line), can flow into the cold water in upper drum 6 in overflow pipe 8, subsequently into overflow pipe 8
Cold water can carry out first time convection current heat absorption with into the high-temperature flue gas in the rear hearth of burner hearth 3, and enter in smoke-intake pipe 14；Convection current
Temperature is increased and is flowed into lower drum 7 after the cold water of water pipe 8 carries out convection current heat absorption, into the hot water in lower drum 7 by decline
Pipe 10 enters in header tank 9, and then hot water passes through furnace wall cooling 5, flashes to vapor stream to overflow pipe 8 and water screen tube 11
In the air space for moving upper drum 6, the hot steam of generation is used by drawing boiler with external heating equipment.
It can be entered in energy saving shell 12 by boss flange A13 and recessed flange A25 into the hot cigarette in smoke-intake pipe 14, into section
Hot cigarette in energy shell 12 can carry out second of convection current heat absorption with the cold water in heat exchanger tube 20, complete the heat of second of convection current heat absorption
Cigarette can enter pipe 16 by recessed flange B15 and boss flange B26, and be entered in air preheater 22 by pipe 16, change
Outflow enters in upper drum 6 cold water in heat pipe 20 out of medium outlet pipe 19 after the heat for absorbing flue gas；Into air preheat
Hot cigarette in device 22 can carry out third time convection current heat absorption with the cold air in heat exchange coil 31, since flue gas is walked outside pipe, heat
Exchange media is walked in pipe, the phenomenon that flue gas is by line clogging would not also occurs, not only prevents flue gas for line clogging,
Also long-time service is facilitated；It is arranged eventually by the flue gas outlet pipe 23 of 22 bottom surface of air preheater, and under the action of air-introduced machine 24
Boiler shell 2 out, temperature rises after cold air and flue gas inside heat exchange coil 31 carry out convection current heat absorption, become hot-air and from
Thermal medium exit tube 30 flow out, under the action of air blower 32 be sent into traveling-grate stoker 4 in carry out it is combustion-supporting.
Claims (5)
1. a kind of SHL type semi-packaged boiler, it is characterised in that: including single-layered boiler foundation layer (1), boiler foundation layer (1)
On boiler shell (2) are installed；Burner hearth (3) are equipped in boiler shell (2), the bottom of burner hearth (3) is equipped with traveling-grate stoker (4),
The inner wall of burner hearth (3) is equipped with furnace wall cooling (5)；Be provided with above traveling-grate stoker (4) upper drum (6), upper drum (6) with
It is provided with lower drum (7), is fixedly installed between lower drum (7) and upper drum (6) multiple vertical uniform between traveling-grate stoker (4)
Distribution to overflow pipe (8)；It is provided with header tank (9) below the lower drum (7), on the top surface and side of header tank (9)
It is connected separately with down-comer (10) and water screen tube (11)；One end of down-comer (10) is connected to the bottom surface of lower drum (7), water cooling
One end of wall pipe (11) is connected to upper drum (6)；Burner hearth (3) side is provided with energy saving shell (12), energy saving shell (12)
An end face be equipped with boss flange A (13), smoke-intake pipe (14) are installed on boss flange A (13)；The other end of energy saving shell (12)
Face is equipped with recessed flange B (15), is equipped with pipe (16) on recessed flange B (15)；Guarantor is socketed with outside the energy conservation shell (12)
Warm layer (17) is equipped with medium inlet pipe (18) on insulating layer (17) one side；Jie is provided on the another side of insulating layer (17)
One end of matter outlet pipe (19), medium outlet pipe (19) is connect with upper drum (6)；More heat exchange are provided in the energy conservation shell (12)
It manages (20)；Described pipe (16) one end is connected with air preheater (22), is provided with cigarette on the bottom surface of air preheater (22)
Gas outlet pipe (23) is connected with air-introduced machine (24) in flue gas outlet pipe (23).
2. a kind of SHL type semi-packaged boiler according to claim 1, it is characterised in that: be provided on the smoke-intake pipe (14)
The recessed flange A (25) being connect with boss flange A (13)；The convex method connecting with recessed flange B (15) is provided on the pipe (16)
Blue B (26)；Between boss flange A (13) and recessed flange A (25) labyrinth type be filled with airtight and watertight padding layer (27), boss flange B (26) with
Also labyrinth type is filled with airtight and watertight padding layer (27) between recessed flange B (15)；Between the insulating layer (17) and energy saving shell (12)
It is provided with seal casinghousing (28).
3. a kind of SHL type semi-packaged boiler according to claim 1, it is characterised in that: the two of the air preheater (22)
It is respectively arranged with cold medium inlet tube (29) and thermal medium exit tube (30) on side wall, cold medium inlet tube (29) and thermal medium exit tube (30)
Between be provided with heat exchange coil (31), heat exchange coil (31) is located in air preheater (22).
4. a kind of SHL type semi-packaged boiler according to claim 3, it is characterised in that: be connected on the traveling-grate stoker (4)
Air blower (32), air blower (32) are connect with thermal medium exit tube (30).
5. a kind of SHL type semi-packaged boiler according to claim 1,2,3 or 4, it is characterised in that: the every heat exchanger tube
(20) one end is connected to medium inlet pipe (18), and the other end of every heat exchanger tube (20) is connected to medium outlet pipe (19)；Often
The serpentine-like distribution of root heat exchanger tube (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970432.9U CN208332227U (en) | 2018-06-22 | 2018-06-22 | A kind of SHL type semi-packaged boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970432.9U CN208332227U (en) | 2018-06-22 | 2018-06-22 | A kind of SHL type semi-packaged boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208332227U true CN208332227U (en) | 2019-01-04 |
Family
ID=64769420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820970432.9U Active CN208332227U (en) | 2018-06-22 | 2018-06-22 | A kind of SHL type semi-packaged boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208332227U (en) |
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2018
- 2018-06-22 CN CN201820970432.9U patent/CN208332227U/en active Active
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