CN203163233U - Three-return-stroke vertical-type gas boiler - Google Patents
Three-return-stroke vertical-type gas boiler Download PDFInfo
- Publication number
- CN203163233U CN203163233U CN 201320135881 CN201320135881U CN203163233U CN 203163233 U CN203163233 U CN 203163233U CN 201320135881 CN201320135881 CN 201320135881 CN 201320135881 U CN201320135881 U CN 201320135881U CN 203163233 U CN203163233 U CN 203163233U
- Authority
- CN
- China
- Prior art keywords
- tube
- boiler
- smoke box
- smoke
- inner bag
- 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
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a vertical-type gas boiler which aims to improve heat exchange efficiency. The gas boiler comprises a boiler shell body, wherein an inner container is arranged in the boiler shell body, the upper portion of the inner container is connected with a lower smoke tube extending downwards, the lower end of the lower smoke tube is connected with a lower smoke box, the lower smoke box is connected with an upper smoke tube extending upwards, the upper end of the upper smoke tube is connected with an upper smoke box, the upper portion of the upper smoke box is connected with a smoke exhaust tube, the inner side of the inner container is provided with a horizontal tube, vertical tubes are arranged inside the upper smoke box, and an inner chamber of the horizontal tube, the area outside the inner container, inner chambers of the vertical tubes and an area above the upper smoke box are communicated to constitute a chamber for staying of a medium to be heated. The radiation heat exchange area of the first return stroke of the boiler is increased, the heat exchange effect is good, and about 70% of heat exchange is completed. Two convection heat exchange processes are formed through the smoke tubes and the smoke boxes in the second return stroke and the third return stroke of the boiler. Compared with an existing vertical-type gas boiler, the gas boiler increases convection ways and heat exchange areas, heat of smoke is fully absorbed, and the boiler thermal efficiency can reach about 95%.
Description
Technical field
The utility model relates to heat-exchange apparatus, is specifically related to a kind of vertical gas fired-boiler.
Background technology
Boiler is a kind of energy conversion, to the energy of boiler input the forms such as heat energy of chemical energy in the fuel, electric energy, high-temperature flue gas are arranged, and through the boiler conversion, outwards output has steam, high-temperature water or the organic heat carrier of certain heat energy.
Along with the completion of West-to-East Gas Project, and the exploitation of the gas energy such as biogas constantly being developed, is that the gas fired-boiler of fuel uses more and more widely with gases such as natural gas, coal gas, Device in Gas, biogas.
But existing vertical gas fired-boiler generally adopts single backhaul or two return structures to realize radiation heat transfer and heat convection, and overall heat exchange efficiency is all lower.In order further to improve heat exchange efficiency, occur outside body of heater, increasing waste-heated water-tank's by-product hot water in the prior art or increased preheating water tank's preheating water and advanced technology boiled in the boiler then, technology to fume afterheat utilizes to improve fuel availability, reaches national hot merit test and appraisal requirement.But so not only make the device structure complexity, and the unnecessary accessory substance use of limiting device on the contrary.For example in units such as brewery, distillation water factories, the higher cooling water of big amount temperature is arranged itself, need not preheating, more need not to produce hot water.
Along with State Administration for Quality Supervision and Inspection and Quarantine promulgates " boiler energy-saving technical supervision rule of management " on August 30th, 2010, further send the power-saving technology of this type of vertical gas fired-boiler elsewhere, being the trend of boiler industry technical development, also is the technical barrier of the industry.
Summary of the invention
Main purpose of the present utility model provides a kind of vertical gas fired-boiler that can improve heat exchange efficiency.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of vertical gas fired-boiler, comprise boiler shell, inner bag is set in the boiler shell, it is characterized in that: described inner bag top connects the lower smoke tube that extends downwards, and the lower smoke tube lower end connects lower smoke box, and lower smoke box connects upwardly extending upper smoke tube, the upper smoke tube upper end connects upper smoke box, and the top of upper smoke box connects smoke exhaust pipe; Described inner bag inside arranges transverse tube, upper smoke box internal placement vertical tube, and the regional connectivity of the zone of described transverse tube inner chamber, inner bag outside, vertical tube inner chamber, upper smoke box top constitutes the chamber that stops for medium to be heated.
Preferably, described transverse tube is respectively arranged one group in inner bag bottom and middle and upper part, and every transverse tube parallels with transverse tube on the same group, perpendicular and have a gradient that is acute angle with horizontal direction with the transverse tube of another group.
Preferably, described lower smoke tube and upper smoke tube arrange evenly that along the inner bag periphery lower smoke box is arranged around inner bag.
Preferably, described vertical tube is evenly arranged in upper smoke box.
Preferably, described smoke exhaust pipe is connected the upper smoke box centre position.
Preferably, described upper smoke box profile is in the form of annular discs, and the upper smoke box lower support is on inner bag, and top is connected with the boiler shell inwall by brace.
Preferably, the maintenance pipe is set on the described lower smoke box is connected to the boiler shell outside, the bottom of described boiler shell arranges hand hole.
As shown from the above technical solution: in the vertical gas fired-boiler of the present utility model, combustion gas is in the upwards circulation of inner bag internal combustion flue gas, and inner bag and transverse tube radiant heat transfer are realized first backhaul; The lower smoke tube of arranging and lower smoke box are realized second backhaul to the medium heat transfer to be heated of inner bag outside again downwards; Upwards the upper smoke tube of arranging and upper smoke box conduct heat to medium to be heated and realize the 3rd backhaul.Therefore vertical gas fired-boiler of the present utility model has been realized three backhauls heat transfer.Under inner bag and the transverse tube acting in conjunction, the radiation heat transfer area increases, and good effect of heat exchange has been finished about 70% of whole heat exchange.Smoke pipe and smoke box have then formed the process of two heat convections in second and third backhaul of boiler, and comparing with existing vertical gas fired-boiler has increased convection current path and heat exchange area, and flue gas heat is fully absorbed, and boiler thermal output is reached about 95%.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
The vertical gas fired-boiler of three backhauls as shown in Figure 1 is for the production of hot water and steam.Boiler comprises boiler shell 1, and inner bag 2 is set in the boiler shell 1, and inner bag 2 is connected fire door circle 4 with boiler shell 1, and fire door circle 4 can be used for connecting burner or entering inner bag 2 internal combustion for combustion gas and air.Fire door circle 4 outsides can also arrange fire door flange and burner pivot flange etc., and these and prior art are basic identical; The structure of boiler shell 1, top arrange hanger 12 etc., all are that those skilled in the art realize easily, perhaps also can do adaptive improvement, repeat no more.Improvement of the present utility model is: the top of inner bag 2 connects the lower smoke tube 3 that extends downwards, and lower smoke tube 3 lower ends connect lower smoke box 4, and lower smoke box 4 connects upwardly extending upper smoke tube 5, and upper smoke tube 5 upper ends connect upper smoke box 6, and the top of upper smoke box 6 connects smoke exhaust pipe 7.
After inner bag 2 internal combustion, the lower smoke tube 3 through inner bag 2 tops enters lower smoke box 4 to the fuel that burner provides then, upwards enters upper smoke box 6 by lower smoke box 4 through upper smoke tube 5 then earlier, discharges boiler by upper smoke box 6 through smoke exhaust pipe 7 then.
Described inner bag 2 inside arrange transverse tube 8,9, upper smoke box 6 internal placement vertical tubes 10, and the regional connectivity of the zone of described transverse tube 8,9 inner chambers, inner bag 2 outsides, vertical tube 10 inner chambers, upper smoke box 6 tops constitutes the chamber that stops for medium to be heated.
Water body to be heated enters behind the boiler the common indoor stop of connected chamber that constitutes in zone above zone in transverse tube 8,9 inner chambers, inner bag 2 outsides, vertical tube 10 inner chambers, the upper smoke box 6, and is heated simultaneously.Inner bag 2 and transverse tube 8,9 radiation heat transfer area are big, good effect of heat exchange.Lower smoke tube 3 and lower smoke box 4, upper smoke tube 5 and upper smoke box 6 have formed the backhaul of two heat convections, and comparing with existing vertical gas fired-boiler has increased convection current path and heat exchange area, and flue gas heat is fully absorbed.
Preferably, described transverse tube 8,9 is respectively arranged one group in inner bag 2 bottoms and middle and upper part, and the every transverse tube 8 that top is a group parallels with transverse tube on the same group, perpendicular and have a gradient that is acute angle with horizontal direction with the transverse tube 9 of one group of bottom.The one group of transverse tube 9 in bottom is located in the below of combustion flame in working order.The steam that transverse tube 8,9 gradient can be beneficial to evaporate upwards flows, be exactly as shown in Figure 1 transverse tube 8 with respect to paper inwards, upwards, transverse tube 9 makes progress to the right with respect to paper.Such two groups of transverse tubes 8,9 setting have not only increased heat exchange area, and transverse tube 8,9 just can make the water temperature of inner bag 2 outsides distribute all because water body be subjected to factor such as thermal evaporation to produce water body to flow when being set to two groups, improve heat-transfer effect.
Preferred embodiment: described lower smoke tube 3 and upper smoke tube 5 arrange evenly that along inner bag 2 peripheries lower smoke box 4 is arranged around inner bag 2.Described vertical tube 10 is evenly arranged in upper smoke box 6.Can further increase heat transfer area like this, make that simultaneously heat transfer is more even.
Be more preferably: described smoke exhaust pipe 7 is connected upper smoke box 6 centre positions.As shown in Figure 1, just smoke exhaust pipe 7 arranges one, is positioned at the centre position of upper smoke box 7, and upper smoke tube 5 flue gas of coming in just must lateral flow be discharged from smoke exhaust pipe 7 then like this, significant prolongation the path of flow of flue gas.And vertical tube 10 and flue gas all can certainly lead to turbulent flow when the area cirulating of upper smoke box 7, the heat exchange and turbulent flow is highly advantageous to.
Mode as for setting and the arrangement of upper smoke box 6 then has a lot of enforcements for example constitutes casing by two dividing plates that are welded on the boiler shell 1.Preferably: described upper smoke box 6 profiles are in the form of annular discs, and upper smoke box 6 lower support are on inner bag 2, and top is connected with boiler shell 1 inwall by brace.Upper smoke box 7 sound constructions are stable like this, and independently casing is convenient to processing and is installed in the boiler.The passage that upper smoke box 7 edges can also provide fluid to flow relatively is beneficial to the mobile and heat exchange of water body in the boiler.Lower smoke box 4 is communicated to boiler shell 1 outside by maintenance pipe 4` in addition, is convenient to boiler maintenance and checks maintenance smoke pipe and smoke box inside.The bottom of boiler shell 1 can also arrange hand hole 13, is convenient to cleaning and maintenance boiler internal.
Boiler structure design of the present utility model is ingenious, uses checking can significantly improve fuel availability through trial-production.Become in energy-saving and emission-reduction under the situation of social consensus, have vast market prospect.
Claims (7)
1. vertical gas fired-boiler, comprise boiler shell (1), inner bag (2) is set in the boiler shell (1), it is characterized in that: described inner bag (2) top connects the lower smoke tube (3) that extends downwards, lower smoke tube (3) lower end connects lower smoke box (4), lower smoke box (4) connects upwardly extending upper smoke tube (5), and upper smoke tube (5) upper end connects upper smoke box (6), and the top of upper smoke box (6) connects smoke exhaust pipe (7);
Described inner bag (2) inside arranges transverse tube (8,9), upper smoke box (6) internal placement vertical tube (10), the regional connectivity of the zone of described transverse tube (8,9) inner chamber, inner bag (2) outside, vertical tube (10) inner chamber, upper smoke box (6) top constitutes the chamber that stops for medium to be heated.
2. vertical gas fired-boiler according to claim 1, it is characterized in that: described transverse tube (8,9) is respectively arranged one group in inner bag (2) bottom and middle and upper part, and every transverse tube (8,9) parallels with transverse tube (8,9) on the same group, perpendicular and have a gradient that is acute angle with horizontal direction with the transverse tube (8,9) of another group.
3. vertical gas fired-boiler according to claim 1, it is characterized in that: described lower smoke tube (3) and upper smoke tube (5) arrange evenly that along inner bag (2) periphery lower smoke box (4) is arranged around inner bag (2).
4. vertical gas fired-boiler according to claim 1 is characterized in that: described vertical tube (10) is evenly arranged in upper smoke box (6).
5. according to claim 2 or 3 or 4 described vertical gas fired-boilers, it is characterized in that: described smoke exhaust pipe (7) is connected upper smoke box (6) centre position.
6. vertical gas fired-boiler according to claim 5, it is characterized in that: described upper smoke box (6) profile is in the form of annular discs, and upper smoke box (6) lower support is on inner bag (2), and top is connected with boiler shell (1) inwall by brace.
7. vertical gas fired-boiler according to claim 6 is characterized in that: maintenance pipe (4`) is set on the described lower smoke box (4) is connected to boiler shell (1) outside, the bottom of described boiler shell (1) arranges hand hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135881 CN203163233U (en) | 2013-03-23 | 2013-03-23 | Three-return-stroke vertical-type gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135881 CN203163233U (en) | 2013-03-23 | 2013-03-23 | Three-return-stroke vertical-type gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163233U true CN203163233U (en) | 2013-08-28 |
Family
ID=49024412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135881 Expired - Fee Related CN203163233U (en) | 2013-03-23 | 2013-03-23 | Three-return-stroke vertical-type gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148581A (en) * | 2013-03-23 | 2013-06-12 | 赵光明 | Vertical triple-pass gas boiler |
-
2013
- 2013-03-23 CN CN 201320135881 patent/CN203163233U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148581A (en) * | 2013-03-23 | 2013-06-12 | 赵光明 | Vertical triple-pass gas boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836788A (en) | Surrounding blowing-in integrated gas hot blast stove | |
| CN206514513U (en) | A kind of oil-burning gas-fired boiler of high-efficiency heat conduction | |
| CN102297510B (en) | Indirect hot blast furnace | |
| CN203163233U (en) | Three-return-stroke vertical-type gas boiler | |
| CN103148581A (en) | Vertical triple-pass gas boiler | |
| CN202452466U (en) | Vertical type steam boiler | |
| CN204574488U (en) | The condensation hot water boiler of the collapsible layout of a kind of three backhaul | |
| CN107246618A (en) | A kind of energy-efficient catalytic combustion device | |
| CN204006649U (en) | A kind of multitube high temperature hot-blast furnace | |
| CN201373451Y (en) | Staple and nonstaple food integrated cooking device with cascade utilization of heat | |
| CN207035157U (en) | A kind of energy-efficient catalytic combustion device | |
| CN205425428U (en) | Hot blast stove | |
| CN205842615U (en) | A kind of biomass efficient horizontal boiler | |
| CN203731675U (en) | Annular blowing integrated flue gas hot blast stove | |
| CN204694122U (en) | A kind of a heatable brick bed road fume hot-water heat exchanger | |
| CN204032282U (en) | Energy-conserving and environment-protective retort | |
| CN102944133A (en) | Lateral plate for heat exchanger | |
| CN202470443U (en) | Heat-absorbing surface structure of chain organic heat carrier furnace | |
| CN201909308U (en) | Flue gas waste heat device | |
| CN204705027U (en) | A kind of hot-blast stove | |
| CN205641848U (en) | Drying frame | |
| CN208398364U (en) | A kind of four return stroke vertical gas fired-boilers | |
| CN104132453A (en) | Biomass gas boiler | |
| CN202869357U (en) | Side plate for heat exchanger | |
| CN204345599U (en) | A kind of spray denitration boiler with expansion chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130828 Termination date: 20200323 |