CN204460713U - Efficient heating stove - Google Patents
Efficient heating stove Download PDFInfo
- Publication number
- CN204460713U CN204460713U CN201520131205.3U CN201520131205U CN204460713U CN 204460713 U CN204460713 U CN 204460713U CN 201520131205 U CN201520131205 U CN 201520131205U CN 204460713 U CN204460713 U CN 204460713U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- shell
- flue gas
- working fluid
- class
- 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.)
- Active
Links
Abstract
The utility model relates to the efficient heating stove to all kinds of dielectric heatings such as crude oil, water, natural gases in a kind of petroleum industry.This heating furnace is configured with the two-stage heat exchanger of vertical assembling, tube side serial communication; The import of first-class heat exchanger tube side connects the high-temperature flue gas outlet of smoke box, and first-class heat exchanger shell side arranges the import and export of heated medium, the high-temperature flue gas heat exchange in heated medium and tube side, then enters the working fluid heat exchanger of heating furnace; Secondary heat exchanger shell side is provided with combustion air import and export, and the exhanst gas outlet of secondary heat exchanger bottom is connected with chimney, and the flue gas after first-class heat exchanger heat exchange enters the tube side of secondary heat exchanger, with the combustion air heat exchange entering shell side; The combustion air outlet of secondary heat exchanger connects the burner of heating furnace by combustion-supporting hot-air duct, be provided with condensation-water drain bottom secondary heat exchanger.Heat in flue gas, through two-stage flue gas heat exchange, makes full use of, significantly improves thermal efficiency of heating furnace by the utility model.
Description
Technical field
The utility model relates to the heating furnace to all kinds of dielectric heatings such as crude oil, water, natural gases in petroleum industry, specifically a kind of efficient heating stove.
Background technology
At present, the oil-gas gathering and transportation field of petroleum industry generally uses heating furnace to all kinds of dielectric heatings such as crude oil, water, natural gases, to meet the needs of oil-gas gathering and transferring technology.Most of heating furnace take natural gas as fuel, throughout the year all in operation, is the main energy consumption equipment in field produces.The existing furnace design thermal efficiency is generally between 85-90%, and average operating thermal efficiency is about 85%.The thermal efficiency of heating furnace depends primarily on heat loss due to exhaust gas, and exhaust gas temperature is higher, and heat loss is larger, and the thermal efficiency is also lower; The exhaust gas temperature of existing heating furnace, generally more than 150 DEG C, contains more heat transfer, and in a large amount of water vapours of combustion of natural gas generation, also contains a large amount of latent heats of phase change.Therefore, the operating thermal efficiency of existing heating furnace still has larger room for promotion.
Utility model content
The utility model is intended to the problem solving the lifting of above-mentioned heating furnace operating thermal efficiency, and provides a kind of efficient heating stove.
The technical scheme that the utility model solves the employing of described problem is:
A kind of efficient heating stove, comprises shell, working fluid heat exchanger, burner, flue, smoke pipe, smoke box, chimney, flue, air channel, blower fan, and flue and smoke pipe to be arranged in shell and to be immersed in heat transfer medium water, and shell top is provided with vacuum valve; Also comprise first-class heat exchanger, secondary heat exchanger, first-class heat exchanger and secondary heat exchanger are shell-and-tube heat exchanger, and first-class heat exchanger is positioned at the top of secondary heat exchanger, are the tube side serial communication of vertical assembly structure, two-stage heat exchanger; First-class heat exchanger be flue gas with by the heat exchanger of heating working medium, the tube side import of first-class heat exchanger connects the high-temperature flue gas outlet of smoke box by flue, first-class heat exchanger shell side arranges the import and export of heated medium, high-temperature flue gas in heated medium and tube side carries out heat exchange, then enters the working fluid heat exchanger of heating furnace; Secondary heat exchanger is the heat exchanger of flue gas and heating furnace combustion air, secondary heat exchanger shell side is provided with the import and export of combustion air, the bobbin carriage of secondary heat exchanger bottom is provided with the exhanst gas outlet be connected with chimney, flue gas after first-class heat exchanger heat exchange enters the tube side of secondary heat exchanger, with the combustion air heat exchange entering shell side; The combustion air outlet of secondary heat exchanger connects the burner of heating furnace by combustion-supporting hot-air duct, be provided with condensation-water drain bottom secondary heat exchanger.
Described efficient heating stove take natural gas as fuel, burner is by combustion of natural gas, the heat produced passes to the intermediate medium water in shell by the flue in shell and smoke pipe, after intermediate medium water absorbs heat, by the mode of water vapour condensation heat transfer or hot water different transfer of heat, transfer heat to and be positioned at shell or the outside working fluid heat exchanger of shell, by the dielectric heating in heat exchanger.
Flue gas in smoke pipe through with the abundant heat exchange of the water in shell after, still there is higher temperature, containing a large amount of heat energy.These flue gases enter the tube side of first-class heat exchanger through flue, carry out heat exchange with the low temperature heated medium entering shell side, and the medium absorbed after flue gas heat enters the working fluid heat exchanger of heating furnace by pipeline, are continued heating by heating furnace.Flue gas after first-class heat exchanger heat exchange enters secondary heat exchanger tube side, the combustion air heat exchange again of secondary heat exchanger shell side is sent into blower fan (or direct), flue-gas temperature is reduced further, when temperature is lower than flue gas condensing temperature, part water vapour in flue gas is condensed into liquid state by steam state, discharges a large amount of latent heat of vaporization.Low-temperature flue gas and condensed water are discharged bottom secondary heat exchanger, and condensed water is discharged by condensation-water drain, and low-temperature flue gas is discharged through chimney.High temperature combustion air after secondary heat exchanger heating, enters burner (or burner and blower fan be integrated) entrance, with natural gas mixed combustion by air channel.
Adopt the utility model of technique scheme, compared with prior art, its beneficial effect is:
Heating furnace configuration two-stage heat exchanger, utilizes the high-temperature flue gas that heating furnace is discharged, successively with heated medium and combustion air heat exchange, through two-stage flue gas heat exchange, heat in flue gas is made full use of, significantly improves the thermal efficiency of heating furnace, heating furnace operating thermal efficiency can be made to reach more than 95%.
As preferably, the utility model further technical scheme is:
Working fluid heat exchanger is arranged on flue in shell and smoke pipe top, and the working fluid heat exchanger in shell is dish-type tube bank or shell and tube pipe bundle heat exchanger.
Working fluid heat exchanger is arranged on shell outside and is positioned at shell top, and the working fluid heat exchanger outside shell is dish-type pipe bundle heat exchanger or the shell-and-tube heat exchanger of band housing, is communicated with between shell with working fluid heat exchanger housing by jet chimney, water return pipeline.
Accompanying drawing explanation
Fig. 1 is the structural representation that working fluid heat exchanger is positioned at the utility model embodiment of shell;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the B direction view of Fig. 1;
Fig. 4 is the structural representation that working fluid heat exchanger is positioned at the utility model embodiment outside shell;
Fig. 5 is the A direction view of Fig. 4;
Fig. 6 is the B direction view of Fig. 4;
In figure: 1-shell, 2-flue, 3-smoke pipe, 4-working fluid heat exchanger, 5-smoke box, 6-burner, 7-first-class heat exchanger, 8-secondary heat exchanger, 9-chimney, 10-air channel, 11-flue, 12-blower fan, 13-condensation-water drain, 14-heated medium exports, 15-gas approach, the import of 16-heated medium, 17-heated air exports, 18-exhanst gas outlet, the import of 19-heated air, the import of 20-working fluid heat exchanger heated medium, 21-working fluid heat exchanger heated medium exports, 22-low-temperature flue gas exports, 23-pedestal, 24-water return pipeline, 25-jet chimney.
Detailed description of the invention
Be described in detail to the utility model below in conjunction with embodiment, object is only better to understand the utility model content, the therefore restriction of the cited case not to the utility model content.
A kind of efficient heating stove, see Fig. 1, Fig. 2, Fig. 3, primarily of shell 1, flue 2, smoke pipe 3, working fluid heat exchanger 4, smoke box 5, burner 6, first-class heat exchanger 7, secondary heat exchanger 8, chimney 9, air channel 10, flue 11, blower fan 12, pedestal 23 forms, shell 1 is horizontal cylinder structure, flue 2 and smoke pipe 3 is provided with in shell 1 inside, smoke pipe 3 can be single flue also can be many smoke pipes, flue 2, smoke pipe 3 is immersed in the heat transfer medium water in shell 1, the top of flue 2 and smoke pipe 3 is provided with working fluid heat exchanger 4, and working fluid heat exchanger 4 is positioned on the heat transfer medium water surface, working fluid heat exchanger 4 is dish-type tube bank or shell and tube pipe bundle heat exchanger, shell 1 front portion is provided with smoke box 5, and smoke box 5 is provided with exhanst gas outlet 18, the front end of flue 2 is provided with burner 6, working fluid heat exchanger 14 is provided with thermal medium inlet 20 and thermal medium outlet 21.
The outside side of shell 1 is provided with first-class heat exchanger 7 and secondary heat exchanger 8, and first-class heat exchanger 7 and secondary heat exchanger 8 are shell-and-tube heat exchanger, and first-class heat exchanger 7 is positioned at the top of secondary heat exchanger 8, is the tube side serial communication of vertical assembly structure, two-stage heat exchanger; First-class heat exchanger 7 be flue gas with by the heat exchanger of heating working medium, first-class heat exchanger 7 is respectively arranged with heated medium import 16, heated medium outlet 14, gas approach 15, gas approach 15 is connected with the exhanst gas outlet 18 of smoke box 5 by flue 11, and heated medium outlet 14 is connected with working fluid heat exchanger heated medium import 20 by medium pipeline; Secondary heat exchanger 8 is the heat exchanger of flue gas and heating furnace combustion air, secondary heat exchanger 8 is respectively arranged with heated air import 19, heated air outlet 17, low-temperature flue gas outlet 22, heated air import 19 connecting fan 12, heated air outlet 17 connects the burner 6 of heating furnace by air channel 10, low-temperature flue gas outlet 22 is connected with chimney 9; Condensation-water drain 13 is provided with bottom secondary heat exchanger 8.
First-class heat exchanger 7, secondary heat exchanger 8, chimney 9, blower fan 12 are installed concentratedly on pedestal 23.
Efficient heating stove take natural gas as fuel, burner 6 is by combustion of natural gas, the heat produced passes to the intermediate medium water in shell 1 by the flue 2 in shell 1 and smoke pipe 2, after intermediate medium water absorbs heat, by water vapour condensation heat transfer mode, transfer heat to the working fluid heat exchanger 4 being positioned at shell 1, by the dielectric heating in heat exchanger.
Flue gas in smoke pipe 3 through with the abundant heat exchange of the water in shell 1 after, still have higher temperature, containing a large amount of heat energy, these flue gases enter the tube side of first-class heat exchanger 7 through flue 11.
Low temperature heated medium enters the shell side of first-class heat exchanger 7 by heated medium import 16, heat exchange is carried out at this and flue gas, after low temperature heated medium absorbs flue gas heat, export 14 by heated medium to discharge, enter working fluid heat exchanger 4 by medium pipeline by working fluid heat exchanger heated medium import 20 and continue heating, drained into outer defeated flow process through working fluid heat exchanger heated medium outlet 21 again by the medium heated.
Flue gas after first-class heat exchanger 7 heat exchange enters the tube side of secondary heat exchanger 8, combustion air sends into secondary heat exchanger 8 shell side by blower fan 12 by heated air import 19, combustion air and flue gas heat exchange, absorb the heat in flue gas, flue-gas temperature is reduced further, when temperature is lower than flue gas condensing temperature, the part water vapour in flue gas is condensed into liquid state by steam state, discharges a large amount of latent heat of vaporization.Low-temperature flue gas is discharged through the low-temperature flue gas outlet 22 feeding chimney 9 of secondary heat exchanger 8; The condensation-water drain 13 of condensed water bottom secondary heat exchanger 8 is discharged.
High temperature combustion air after secondary heat exchanger 8 heats exports 17 by heated air and enters burner 6 by air channel 10, with natural gas mixed combustion.
Efficient heating stove shown in Fig. 4, Fig. 5, Fig. 6, compared with the efficient heating stove shown in Fig. 1, Fig. 2, Fig. 3, only be that the setting position of working fluid heat exchanger 4 is different, that is, working fluid heat exchanger 4 is arranged on shell 1 outside and is positioned at shell 1 top, working fluid heat exchanger 4 outside shell 1 is dish-type pipe bundle heat exchanger or the shell-and-tube heat exchanger of band housing, is communicated with between shell 1 with working fluid heat exchanger 4 housing by jet chimney 25, water return pipeline 24.The high-temperature water vapor produced in shell 1 enters working fluid heat exchanger 4 by jet chimney 25, heat exchange is carried out with the heated medium in working fluid heat exchanger 4, transfer heat to heated medium, be condensed into liquid state by steam state after the water vapour release latent heat of vaporization, returned in shell 1 by water return pipeline 24.
Blower fan 12 can be made of one structure with burner 6, and the outlet of blower fan 12 also can be connected with the shell side import of secondary heat exchanger 8.
The foregoing is only the better feasible embodiment of the utility model, not thereby interest field of the present utility model is limited to, the equivalent structure change that all utilization the utility model descriptions and accompanying drawing content are done, is all contained within interest field of the present utility model.
Claims (3)
1. an efficient heating stove, comprises shell, working fluid heat exchanger, burner, flue, smoke pipe, smoke box, chimney, flue, air channel, blower fan, and flue and smoke pipe to be arranged in shell and to be immersed in heat transfer medium water, and shell top is provided with vacuum valve; It is characterized in that: also comprise first-class heat exchanger, secondary heat exchanger, first-class heat exchanger and secondary heat exchanger are shell-and-tube heat exchanger, and first-class heat exchanger is positioned at the top of secondary heat exchanger, are the tube side serial communication of vertical assembly structure, two-stage heat exchanger; First-class heat exchanger be flue gas with by the heat exchanger of heating working medium, the tube side import of first-class heat exchanger connects the high-temperature flue gas outlet of smoke box by flue, first-class heat exchanger shell side arranges the import and export of heated medium, high-temperature flue gas in heated medium and tube side carries out heat exchange, then enters the working fluid heat exchanger of heating furnace; Secondary heat exchanger is the heat exchanger of flue gas and heating furnace combustion air, secondary heat exchanger shell side is provided with the import and export of combustion air, the bobbin carriage of secondary heat exchanger bottom is provided with the exhanst gas outlet be connected with chimney, flue gas after first-class heat exchanger heat exchange enters the tube side of secondary heat exchanger, with the combustion air heat exchange entering shell side; The combustion air outlet of secondary heat exchanger connects the burner of heating furnace by combustion-supporting hot-air duct, be provided with condensation-water drain bottom secondary heat exchanger.
2. the efficient heating stove according to claims 1, is characterized in that: working fluid heat exchanger is arranged on flue in shell and smoke pipe top, and the working fluid heat exchanger in shell is dish-type tube bank or shell and tube pipe bundle heat exchanger.
3. the efficient heating stove according to claims 1, it is characterized in that: working fluid heat exchanger is arranged on shell outside and is positioned at shell top, working fluid heat exchanger outside shell is dish-type pipe bundle heat exchanger or the shell-and-tube heat exchanger of band housing, is communicated with between shell with working fluid heat exchanger housing by jet chimney, water return pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520131205.3U CN204460713U (en) | 2015-03-09 | 2015-03-09 | Efficient heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520131205.3U CN204460713U (en) | 2015-03-09 | 2015-03-09 | Efficient heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204460713U true CN204460713U (en) | 2015-07-08 |
Family
ID=53667586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520131205.3U Active CN204460713U (en) | 2015-03-09 | 2015-03-09 | Efficient heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204460713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697171A (en) * | 2015-03-09 | 2015-06-10 | 唐山冀东石油机械有限责任公司 | High-efficiency heating furnace |
-
2015
- 2015-03-09 CN CN201520131205.3U patent/CN204460713U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697171A (en) * | 2015-03-09 | 2015-06-10 | 唐山冀东石油机械有限责任公司 | High-efficiency heating furnace |
| CN104697171B (en) * | 2015-03-09 | 2017-10-13 | 唐山冀东石油机械有限责任公司 | Efficient heating stove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201407817Y (en) | Finned tube type condensing waste heat recovery vacuum hot water boiler | |
| CN104697171A (en) | High-efficiency heating furnace | |
| RU2440538C1 (en) | Outside condensation boiler | |
| CN208312424U (en) | Condensed water is used for the heat recovery system of low nitrogen burning | |
| CN207555992U (en) | Vertical inner tube condenses hot-water boiler | |
| CN207049891U (en) | A kind of steam boiler with condenser system | |
| CN204460713U (en) | Efficient heating stove | |
| CN205690425U (en) | A kind of residual heat from boiler fume Multi-class propagation combines condensation water heating supply air system | |
| CN202648150U (en) | Waste heat recovery device of boiler | |
| CN107328090A (en) | Burnt gas wall hanging furnace | |
| CN206130943U (en) | Clean steam generator | |
| CN208154872U (en) | Hot water fall connect direct combustion dual effect type lithium bromide absorption type heat pump unit | |
| CN207196907U (en) | Burnt gas wall hanging furnace | |
| CN207113238U (en) | A kind of double low-temperature receiver gas fired-boiler Latent heat advanced recycling systems | |
| CN201866750U (en) | Condensation-type one-pass fire tube boiler | |
| CN205897552U (en) | Residual heat from flue gas heat transfer device | |
| CN109855457A (en) | Solid heat reservoir with superheated steam heat-exchanger rig | |
| CN205402642U (en) | Vapor generator | |
| CN205579984U (en) | Food steamer formula heat -exchanger furnace courage and heat -exchanger furnace | |
| CN101021361B (en) | Steam phase transforming heating furnace | |
| CN209229706U (en) | Vehicular once through steam generator | |
| CN207585089U (en) | Flue gas condensing heating furnace | |
| CN204460743U (en) | Effect device carried by heating furnace | |
| RU2449225C1 (en) | Condensation boiler of external installation | |
| CN207035496U (en) | A kind of condensation gas boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee after: PetroChina Co.,Ltd. Address before: 063200, 27, Xincheng Avenue, Caofeidian District, Hebei, Tangshan City Patentee before: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201020 Address after: No.10 Guoan Road, comprehensive bonded zone, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. Patentee after: PetroChina Co.,Ltd. Address before: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee before: PetroChina Co.,Ltd. |
|
| TR01 | Transfer of patent right |