CN206556242U - Hot-water boiler - Google Patents
Hot-water boiler Download PDFInfo
- Publication number
- CN206556242U CN206556242U CN201720254575.5U CN201720254575U CN206556242U CN 206556242 U CN206556242 U CN 206556242U CN 201720254575 U CN201720254575 U CN 201720254575U CN 206556242 U CN206556242 U CN 206556242U
- Authority
- CN
- China
- Prior art keywords
- burner hearth
- boiler
- heating coil
- water
- ash bucket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a kind of hot-water boiler, including chain-type coal stove, ash bucket, burner hearth, water inlet pipe, heating coil, drainpipe, heat absorbing sheet, blowing pipe, flue adapter, air preheater and ash bucket, the ash bucket is arranged at the lower section of the chain-type coal stove, the lower end of the burner hearth is arranged on the chain-type coal stove, the water inlet pipe is connected with one end of the heating coil, the heating coil is distributed in the side in the burner hearth, the heat absorbing sheet is distributed in the top in burner hearth, the heat absorbing sheet is connected with heating coil, the bottom side of the burner hearth is flue adapter, the air preheater is arranged at the top of the flue adapter, the ash bucket is arranged at the flue adapter bottom.Compared with prior art, the utility model can more effectively improve thermal energy conversion efficiency by setting the combination of heat absorbing sheet and heating coil, set blowing pipe to be convenient to clean inside, with the value promoted the use of.
Description
Technical field
The utility model is related to a kind of boiler, more particularly to a kind of hot-water boiler.
Background technology
Hot-water boiler includes electric hot water, oil-fired water-boiler, gas-fired water heating boiler and coal-fired hot-water boiler etc., hot water
Boiler is exactly the boiler for producing hot water, refers to the heat energy or other heat energy (such as electric energy, solar energy discharged using fuel combustion
Deng) water is heated to a kind of thermal hardware of rated temperature.In the prior art, the species of hot-water boiler is various, and function respectively has thousand
Autumn, in line with excelsior spirit, it is necessary to update and innovate.
Utility model content
The purpose of this utility model is that provides a kind of hot-water boiler to solve the above problems.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model includes chain-type coal stove, ash bucket, burner hearth, water inlet pipe, heating coil, drainpipe, heat absorbing sheet, soot blowing
Pipe, flue adapter, air preheater and ash bucket, the ash bucket are arranged at the lower section of the chain-type coal stove, the burner hearth
Lower end is arranged on the chain-type coal stove, and the water inlet pipe is connected with one end of the heating coil, the heating coil point
The side in the burner hearth is distributed in, the heat absorbing sheet is distributed in the top in burner hearth, and the heat absorbing sheet is connected with heating coil,
The bottom side of the burner hearth is flue adapter, and the air preheater is arranged at the top of the flue adapter, the ash discharge
Bucket is arranged at the flue adapter bottom.
The beneficial effects of the utility model are：
The utility model is a kind of hot-water boiler, compared with prior art, and the utility model is by setting heat absorbing sheet with adding
The combination of hot coil, can more effectively improve thermal energy conversion efficiency, set blowing pipe to be convenient to clean inside, with popularization
The value used.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- chain-types coal stove, 2- ash buckets, 3- burner hearths, 4- water inlet pipes, 5- heating coils, 6- drainpipes, 7- heat absorptions
Piece, 8- blowing pipes, 9- flue adapters, 10- air preheaters, 11- ash buckets.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model includes chain-type coal stove 1, ash bucket 2, burner hearth 3, water inlet pipe 4, heating coil 5, row
Water pipe 6, heat absorbing sheet 7, blowing pipe 8, flue adapter 9, air preheater 10 and ash bucket 11, the ash bucket 2 are arranged at the chain
The lower section of bar formula coal stove 1, the lower end of the burner hearth 3 is arranged on the chain-type coal stove 1, the water inlet pipe 4 and the heating
One end connection of coil pipe 5, the heating coil 5 is distributed in the side in the burner hearth 3, and the heat absorbing sheet 7 is distributed in burner hearth 3
Top, the heat absorbing sheet 7 is connected with heating coil 5, and the bottom side of the burner hearth 3 is flue adapter 9, and the air is pre-
Hot device 10 is arranged at the top of the flue adapter 9, and the ash bucket 11 is arranged at the bottom of flue adapter 9.
The layout of boiler single not heated drum, lateral arrangement, a diameter of 1400mm of drum, wall thickness is 18mm, cylinder
Straight part length is 10020mm, uses material for Q245R.The people of one 300 × 400 is respectively provided with the end socket of drum two ends
Used for maintenance in hole.Operated during boiler operatiopn for full water, backwater introduces pipe and backwater point by drum front portion water inlet header through backwater
Pipe arrangement enters drum.Water by heating introduces drum by drum rear portion drum centerline, and front and rear part is by dividing plate in drum
Separate, and leave boiler internal water circulation channel, hot water draws drum at the top of drum through collector pipe and hot water fairlead.By pot
The hot water of cylinder out enters passage rear wall lower header, water outlet header is entered after further being heated through Flag pattern heat surface, externally output
130 DEG C of hot water.The boiler water cycle system is divided into two sets：That is the natural water circulation system of burner hearth part and passage rear wall flag formula
The forced water circulation system of heating surface.The reliability of water circulation had so both been ensure that, boiler export cigarette temperature has been reduced again, while again
The low-temperature corrosion problem in boiler operatiopn has been efficiently controlled, energy-efficient purpose is reached.
The boiler surrounding and midfeather use fin panel casing all-sealed structure, and fin panel casing is by Ф 60 × 3.5
Pipe and 20 × 4 band steel be welded by special equipment, fin panel casing pitch be 80mm.Furnace width 9360mm,
Depth 5200mm, the distance that furnace roof highest point leaves grate surface is 11950mm.This boiler is open type chamber structure, without rear arch,
Refractory concrete face arch has been built as the arch that catches fire in burner hearth antetheca hypomere, and wall with refractory lining, refracto is laid with hearth biside wall hypomere.Burning
The high-temperature flue gas produced afterwards is folded to flue for 180 ° from furnace roof, and flue width is 9360mm, and depth is 2400mm, is arranged in flue
There are three groups of flag formula convection heating surfaces, be arranged horizontally, Flag pattern heat surface is made up of Ф 38 × 3.5 pipe.
This boiler is tower structure, and boiler body passes through four supporting-points being welded on left and right sidewall lower header, supporting
In boiler body supporting, wherein right anterior branch is held as fixing point, and left front supporting allows free wxpansion to the left, right rear support allow to
Free wxpansion afterwards, left back supporting tolerable injury level direction free wxpansion, whole boiler allows upward free wxpansion.
This boiler is totally enclosed film water cold wall structure, and flue gas is completely isolated with the external world, therefore only need to be in membrane wall external application
If light thermal-insulating material thick 160mm is that can reach design thermal requirements.Light thermal-insulating material is by being welded on membrane wall fin
Round steel, and steel wire are fixed on the outside of membrane wall, and corrugation stove clothing is coated outside insulation material, makes whole boiler physical beauty
See, neatly.
This fire grate uses the scale chain grate that Wafangdian Yongning machinery plant produces, and fire grate uses Separate Wind Barn structure,
Air distribution is uniform, and wind cabin bottom shoot door uses cast iron shoot door, and good airproof performance is unlikely to deform, and deashing is convenient.The flake type chain
Fire grate is reasonable in design, and the accuracy of manufacture requires high, and side seal leaks out few, exchanges fire grate segment convenient.
Welding and water pressure test requirement
1. all parts and components welded with pressure parts (drum, header, pipe), should weld before the water pressure test and finish.
2. welding should examine qualified by following nondestructive inspection requirement before the water pressure test.
1) for the girth joint of header, pipe, pipeline and other pipe fittings, the quantity regulation of ray or ultrasonic examination is such as
Under：
A is more than 159mm header when external diameter, and every weld seam 25% is detected a flaw.
B is less than or equal to 159mm header when external diameter, and every fusion length should carry out 10% flaw detection, also can be no less than every
10% selective examination of platform boiler header circumferential weld bar number.
C is less than or equal to 159mm pipe, pipeline and other pipe fittings when external diameter, can exempt to look into.
2) the angle welding ultrasonic examination quantity of through welding structure is provided as follows：
A branch pipes external diameter is more than 219mm, every ultrasonic examination of weld seam 50%.
B branch pipes external diameter is less than or equal to 219mm, but more than 140mm, every ultrasonic examination of weld seam 25% also can be many
In the 25% of piece-ups.
3. before water inlet internal cleaning should be carried out to pressure-containing parts such as drum, headers.
4. boiler Hydrostatic test pressure is 2.2Mpa.
5. after the water pressure test, the water in boiler all should be drained in time.
Use condition
1. boiler feedwater quality should meet GB1576《Industrial Boiler water quality》Requirement.
2. domestic part or import partses may be selected in boiler matching subsidiary engine, valve, electric control element.
Safety attachment and instrument:
《Boiler safety technology Supervision Code》In safety attachment and instrument are provided as follows：
1 safety valve：Define the basic demand, setting, other requirement, the choosings of safety valve for installing safety valve of safety valve
Released with, the total release of safety valve of steam boiler and determination, drum with the discharge capacity of external safety valve, hot-water boiler safety valve
Ability, the set-pressure of safety valve, blowdown of a safety valve, installation, verification etc..This TV station boiler installs two safety valves, and meeting code will
Ask；
2. device for pressure measurement：Define it is manometric set, from, verification, install.This TV station boiler installs three pressures altogether
Power table, meets regulatory requirements；
3. level measuring is with showing control device：Define its setting, the constructional device of water gage, install.This boiler installing two
Individual water-level gauge, installing steam overpressure alarm and interlocking protective device, one of band high and low water alarm, meeting code will
Ask；
4. temperature measuring equipment：Define its setting, temperature measuring instrument range.This TV station boiler water cycle system installing two
Individual thermometer, other flue-gas temperature measuring points have automatically controlled producer to wear, and meet regulatory requirements；
5. blowdown and jettison gear；The basic demand for defining blowdown and discharging water, this TV station boiler installs three blowoff valves altogether,
Meet regulatory requirements；
6. safety guard：Define basic demand, control cyclic steam boiler, CFBB, room combustion pot
Stove, ignition procedure control and blowout protection.It is unrelated with this boiler.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (1)
1. a kind of hot-water boiler, it is characterised in that：Including chain-type coal stove, ash bucket, burner hearth, water inlet pipe, heating coil, draining
Pipe, heat absorbing sheet, blowing pipe, flue adapter, air preheater and ash bucket, the ash bucket are arranged under the chain-type coal stove
Side, the lower end of the burner hearth is arranged on the chain-type coal stove, and the water inlet pipe is connected with one end of the heating coil, institute
The side that heating coil is distributed in the burner hearth is stated, the heat absorbing sheet is distributed in the top in burner hearth, and the heat absorbing sheet is with adding
Hot coil is connected, and the bottom side of the burner hearth is flue adapter, and the air preheater is arranged at the flue adapter
Top, the ash bucket is arranged at the flue adapter bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720254575.5U CN206556242U (en) | 2017-03-16 | 2017-03-16 | Hot-water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720254575.5U CN206556242U (en) | 2017-03-16 | 2017-03-16 | Hot-water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556242U true CN206556242U (en) | 2017-10-13 |
Family
ID=60365705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720254575.5U Expired - Fee Related CN206556242U (en) | 2017-03-16 | 2017-03-16 | Hot-water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206556242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534352A (en) * | 2018-03-23 | 2018-09-14 | 博瑞特热能设备股份有限公司 | The processing method of forced-circulation hot water boiler |
-
2017
- 2017-03-16 CN CN201720254575.5U patent/CN206556242U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534352A (en) * | 2018-03-23 | 2018-09-14 | 博瑞特热能设备股份有限公司 | The processing method of forced-circulation hot water boiler |
| CN108534352B (en) * | 2018-03-23 | 2020-11-03 | 博瑞特热能设备股份有限公司 | Processing method of forced circulation hot water boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190805 Address after: No. 99 Wangda Road, Jiangning Binjiang Economic Development Zone, Nanjing City, Jiangsu Province, 210000 Patentee after: Middle nuclear-plant Nanjing Co., Ltd Address before: 730056 No. 1 Xinhe Road, Xigu District, Lanzhou City, Gansu Province Patentee before: China Power Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200316 |