CN206055588U - horizontal small gas steam generator - Google Patents
horizontal small gas steam generator Download PDFInfo
- Publication number
- CN206055588U CN206055588U CN201621080090.0U CN201621080090U CN206055588U CN 206055588 U CN206055588 U CN 206055588U CN 201621080090 U CN201621080090 U CN 201621080090U CN 206055588 U CN206055588 U CN 206055588U
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- CN
- China
- Prior art keywords
- flue
- shell
- flow channel
- gas flow
- flue gas
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- 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.)
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Abstract
This utility model is related to a kind of Horizontal small gas steam generator, including shell and flue, shell and flue form the telescoping structure of concentric circular, the front end of shell is provided with front tube sheet, the rear end of shell is provided with back tube sheet, flue is stretched into inside shell through after front tube sheet, flue front end is provided with combustor, the rear end of flue is provided with end socket, it is connected by support bar between end socket and back tube sheet, barrel-shaped refractory insulating layer is provided with outside shell, the flue gas flow channel of annular is formed between shell and refractory insulating layer, outlet flue is provided with the top of flue gas flow channel, flue and shell are provided with flue venthole and shell venthole at the same position of bottom, pipe is provided between flue venthole and shell venthole, one end of pipe is connected with inside flue, the other end of pipe is connected with flue gas flow channel.Its flue radiation heat transfer coefficient is big, and smoke convection heat transfer coefficient is big, drastically increases the efficiency of steam generator.
Description
【Technical field】
This utility model is related to the technical field of gas steam generator, and in particular to a kind of Horizontal small combustion and steam is sent out
Raw device.
【Background technology】
As the water pipe of small size vertical waterpipe boiler inequality of being easily heated causes explosion, so at present conventional is vertical small-sized
Fuel oil/gas steam boiler is pan shell type fire tube structure, is arranged using combustor level, and flue is radiation heating-surface, smoke pipe at the top of which
For heat convection face.
The vertical Analysis of Minitype Gas-fired Steam Boiler of said structure is limited by shell and flue internal structure condition, the length of flame
Short, degree of filling is low, and radiation heat transfer coefficient is little；The smoke pipe quantity of arrangement is few, length is short, can only be by installing spoiler in smoke pipe additional
Increase the time of staying of the flue gas in stove to strengthen heat exchange, convection transfer rate is little, and overall heat transfer effect is poor, exhaust gas temperature
Height, heat loss due to exhaust gas are big；Secondly incrustation scale evaporating surface that easily calorific intensity is high, temperature is high, evaporation intensity is maximum in the boiler stands
Produce on the outside of the entrance of tube sheet and welding smoke pipe at the top of formula miniature boiler flue, cause flue push pipe plate and smoke pipe to be heated inequality,
Thermal strain is produced, potential safety hazard is brought.
【Utility model content】
To solve the above problems, the purpose of this utility model is to provide a kind of flue radiation heat transfer coefficient big horizontal little
Type gas steam generator.
For achieving the above object, the technical scheme that this utility model is taken is：Horizontal small gas steam generator, including
Shell, is provided with the telescoping structure of flue, the shell and flue formation concentric circular, before the front end of shell is provided with shell
Tube sheet, the rear end of shell are provided with back tube sheet, and flue is stretched into inside shell through after front tube sheet, and flue front end is provided with burning
Machine, the port of combustor are stretched in flue, and the rear end of flue is provided with end socket, pass through support bar phase between end socket and back tube sheet
Connection, is provided with barrel-shaped refractory insulating layer outside shell, the flue gas flow channel of annular is formed between shell and refractory insulating layer,
Outlet flue is provided with the top of flue gas flow channel, flue and shell are provided with flue venthole and shell at the same position of bottom
Venthole, is provided with pipe between flue venthole and shell venthole, one end of pipe is connected with inside flue, goes out
The other end of smoke pipe is connected with flue gas flow channel.
It is to solve the above problems, of the present utility model it is a further objective that a kind of smoke convection heat transfer coefficient of offer is big
Horizontal small gas steam generator.
For achieving the above object, the technical scheme that this utility model is taken is：If being provided with dry tablet in the flue gas flow channel
Guide rib, guide rib are symmetrically disposed in flue gas flow channel by axis of symmetry of pipe, every guide rib and flue gas stream
The inner and outer wall in road is connected, and gap is provided between adjacent guide rib, and guide rib is arranged in the way of gradually offseting
It is listed in flue gas flow channel, flue gas flow channel is arranged to into the flue gas path of two symmetrical N shapes.
Horizontal small gas steam generator in this utility model is further arranged to：The bottom of the flue gas flow channel sets
Drip pipe is equipped with, the top of drip pipe is connected with flue gas flow channel, the bottom of drip pipe stretches out outer
Portion.
Horizontal small gas steam generator in this utility model is further arranged to：The outside of the shell is provided with
Lagging casing.
Horizontal small gas steam generator in this utility model is further arranged to：The pipe and outlet flue phase
Both sides to being arranged on shell.
Compared with prior art, this utility model has the advantages that：
(1), using horizontal structure, flame develops in flue fully, and burner hearth degree of filling is high, and flue radiation is heated by force,
Without water pipe or fire tube inside which, water quality strong adaptability, the melancholy without fouling booster.
(2), using the structure that flue gas flow channel is arranged outside shell, stove water is heated for inside and outside dual, and heating surface is logical for annular
Road, the coefficient of heat transfer are big, so as to drastically increase the efficiency of boiler.
(3), flue gas Jing guide ribs in flue gas flow channel are oriented to, and flow in double N shapes distances, and flue gas flow is long, with shell
The convection heating surface product in outside is big, and convective heat-transfer coefficient is big, and fully, exhaust gas temperature is low for heat exchange.
(4), by arranging drip pipe, to prevent flue gas condensing.
(5), the outside of shell is provided with lagging casing, to improve the steam generator thermal efficiency.
【Description of the drawings】
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the expansion floor map of flue gas flow channel in Fig. 1；
In figure：1st, shell, 2, flue, 3, front tube sheet, 4, back tube sheet, 5, combustor, 6, end socket, 7, support bar, 8, fire resisting
Heat-insulation layer, 9, flue gas flow channel, 10, outlet flue, 11, flue venthole, 12, shell venthole, 13, pipe, 14, water conservancy diversion rib
Piece, 15, drip pipe, 16, lagging casing.
【Specific embodiment】
Further is made to Horizontal small gas steam generator described in the utility model below by specific embodiment
Describe in detail.
As shown in figure 1, Horizontal small gas steam generator, including shell 1, flue 2, the pot are provided with shell 1
Shell 1 and flue 2 form the telescoping structure of concentric circular, and the front end of shell 1 is provided with front tube sheet 3, after the rear end of shell 1 is provided with
Tube sheet 4, flue 2 are stretched into inside shell 1 through after front tube sheet 3, and 2 front end of flue is provided with combustor 5, the port of combustor 5
Stretch in flue 2, the rear end of flue 2 is provided with end socket 6, is connected by support bar 7 between end socket 6 and back tube sheet 4, shell 1
Outside is provided with barrel-shaped refractory insulating layer 8, and the flue gas flow channel 9 of annular, flue gas are formed between shell 1 and refractory insulating layer 8
The top of runner 9 is provided with outlet flue 10, and flue 2 and shell 1 are provided with 11 He of flue venthole at the same position of bottom
Shell venthole 12, is provided with pipe 13, one end of pipe 13 and stove between flue venthole 11 and shell venthole 12
It is connected inside gallbladder 2, the other end of pipe 13 is connected with flue gas flow channel 9.
Preferably, if as shown in Fig. 2 dry tablet guide rib 14, guide rib are provided with the flue gas flow channel 9
14 are symmetrically disposed in flue gas flow channel 9 by axis of symmetry of pipe 13, the inwall of every guide rib 14 and flue gas flow channel 9 and
Outer wall is connected, and gap is provided between adjacent guide rib 14, and guide rib 14 is arranged in cigarette in the way of gradually offseting
In flow channel 9, flue gas flow channel 9 is arranged to into the flue gas path of two symmetrical N shapes.
Preferably, the bottom of the flue gas flow channel 9 is provided with drip pipe 15, drip pipe 15
Top is connected with flue gas flow channel 9, and outside is stretched out in the bottom of drip pipe 15.By arranging drip pipe 15, with
Prevent flue gas condensing.
Preferably, the outside of the shell 1 is provided with lagging casing 16, and the material of lagging casing 16 is fine for ceramics
Vinylon and cotton blend, to improve the steam generator thermal efficiency.
Preferably, the pipe 13 and outlet flue 10 are oppositely arranged on the both sides of shell 1.Further increase cigarette
The circulation stroke of gas.
Operation principle of the present utility model is：During use, between shell 1 and flue 2, water filling is to certain height, burning
Machine 5 burns, and combustion flame carries out radiation full of the water outside flue 2, with flue 2 by the port horizontal direction of combustor 5 and changes
Heat, afterwards combustion product gases by pipe 13, drain in flue gas flow channel 9,14 water conservancy diversion of Jing guide ribs is turned to, and flue gas is returned in double N-types
Turn three backhauls flowing, the abundant convection heat transfer' heat-transfer by convection of water that can so allow in high-temperature flue gas and shell 1, flue gas is finally by 10 row of outlet flue
Go out.
The principle and its effect of the above embodiments only illustrative the invention, and the enforcement that part uses
Example, not for restriction this utility model；It should be pointed out that for the person of ordinary skill of the art, without departing from this reality
On the premise of being conceived with new creation, some deformations and improvement can also be made, these belong to protection model of the present utility model
Enclose.
Claims (5)
1. Horizontal small gas steam generator, including the shell of horizontal setting, is provided with flue in shell, it is characterised in that：
The shell and flue form the telescoping structure of concentric circular, and the front end of shell is provided with front tube sheet, and the rear end of shell is provided with
Back tube sheet, flue are stretched into inside shell through after front tube sheet, and flue front end is provided with combustor, and the port of combustor stretches into stove
In gallbladder, the rear end of flue is provided with end socket, is connected by support bar between end socket and back tube sheet, is provided with barrel-shaped outside shell
Refractory insulating layer, formed between shell and refractory insulating layer annular flue gas flow channel, be provided with out at the top of flue gas flow channel
Mouth, flue and shell are provided with flue venthole and shell venthole, flue venthole and pot at the same position of bottom
Pipe is provided between shell venthole, one end of pipe is connected with inside flue, the other end and the flue gas stream of pipe
Road is connected.
2. Horizontal small gas steam generator as claimed in claim 1, it is characterised in that：It is provided with the flue gas flow channel
If dry tablet guide rib, guide rib are symmetrically disposed in flue gas flow channel by axis of symmetry of pipe, every guide rib with
The inner and outer wall of flue gas flow channel is connected, be provided with gap between adjacent guide rib, and guide rib is gradually offseting
Mode is arranged in flue gas flow channel, and flue gas flow channel is arranged to the flue gas path of two symmetrical N shapes.
3. Horizontal small gas steam generator as claimed in claim 1 or 2, it is characterised in that：Under the flue gas flow channel
Portion is provided with drip pipe, and the top of drip pipe is connected with flue gas flow channel, and the bottom of drip pipe is stretched
Go out outside.
4. Horizontal small gas steam generator as claimed in claim 1 or 2, it is characterised in that：The outside of the shell sets
It is equipped with lagging casing.
5. Horizontal small gas steam generator as claimed in claim 1 or 2, it is characterised in that：The pipe and smoke
Mouth is oppositely arranged on the both sides of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080090.0U CN206055588U (en) | 2016-09-26 | 2016-09-26 | horizontal small gas steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621080090.0U CN206055588U (en) | 2016-09-26 | 2016-09-26 | horizontal small gas steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206055588U true CN206055588U (en) | 2017-03-29 |
Family
ID=58367176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621080090.0U Expired - Fee Related CN206055588U (en) | 2016-09-26 | 2016-09-26 | horizontal small gas steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206055588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489997A (en) * | 2017-08-11 | 2017-12-19 | 重庆博帝节能设备有限公司 | A kind of steam fire courage |
| CN109186095A (en) * | 2018-10-16 | 2019-01-11 | 郴州自然人新能源高科技有限公司 | A kind of more backhaul plates of S type expansion change formula liner |
-
2016
- 2016-09-26 CN CN201621080090.0U patent/CN206055588U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489997A (en) * | 2017-08-11 | 2017-12-19 | 重庆博帝节能设备有限公司 | A kind of steam fire courage |
| CN109186095A (en) * | 2018-10-16 | 2019-01-11 | 郴州自然人新能源高科技有限公司 | A kind of more backhaul plates of S type expansion change formula liner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170329 Termination date: 20200926 |