CN112944301A - Vertical gas conduction oil boiler structure - Google Patents
Vertical gas conduction oil boiler structure Download PDFInfo
- Publication number
- CN112944301A CN112944301A CN202110331487.1A CN202110331487A CN112944301A CN 112944301 A CN112944301 A CN 112944301A CN 202110331487 A CN202110331487 A CN 202110331487A CN 112944301 A CN112944301 A CN 112944301A
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- CN
- China
- Prior art keywords
- pipes
- flue
- square coil
- pipe
- group
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 23
- 238000004140 cleaning Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010724 circulating oil Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/028—Steam generation using heat accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/06—Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/36—Water and air preheating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air Supply (AREA)
Abstract
The invention relates to the technical field of boilers, in particular to a vertical gas-fired heat-conducting oil boiler structure which can simplify the installation and reduce the boiler cost and comprises a hearth, a horizontal steering chamber, a descending flue and a tail flue, wherein the hearth is formed by stacking and welding square coil pipes from bottom to top, a burner is arranged at the bottom of the hearth, each group of square coil pipes is provided with an oil inlet and an oil outlet, the oil inlet of each group of square coil pipes is connected with a corresponding convection heating surface, the oil outlet of each group of square coil pipes is respectively connected with an independent communicating pipe which is connected with a ceiling pipe inlet header, the descending flue is internally provided with the convection heating surface and an evaporator from top to bottom in sequence, an energy saver and an air preheater are arranged in sequence from bottom to top in the tail flue, partial pipes at one side of the uppermost square coil pipe close to the horizontal steering chamber are arranged in a staggered manner from, the top of the square coil pipe at the uppermost end is welded with a top seal.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to a vertical gas heat-conducting oil boiler structure.
Background
The heat conduction oil boiler refers to a boiler heated by heat conduction oil. Generally, coal, oil and gas are used as fuels, heat conduction oil is used as a medium, a hot oil circulating oil pump is used for forcing the medium to perform liquid phase circulation, heat energy is conveyed to a heat utilization device and then returned to a heating furnace for reheating, high working temperature can be obtained under low pressure, and high-precision control work can be performed on the medium operation.
For the vertical hearth, because the height is high, the hearth can be combined only in a segmented superposition mode in consideration of the transportation height and the installation convenience, the segmented square coil pipes are provided with the oil inlet collecting box and the oil outlet collecting box and used for receiving heat conduction oil needing to be further heated from a convection heating surface, the top of the hearth can be provided with a flue gas outlet for being connected with the horizontal steering chamber, the existing structure needs to add a section of flue on the square coil pipe at the top for being connected with the horizontal steering chamber, the installation operation is additionally increased, and the cost is increased.
Disclosure of Invention
In order to solve the problem that the existing heat transfer oil boiler is high in cost, the invention provides a vertical gas heat transfer oil boiler structure which can simplify installation and reduce boiler cost.
The technical scheme is as follows: a vertical gas-fired heat-conducting oil boiler structure comprises a hearth, a horizontal steering chamber, a descending flue and a tail flue, wherein the hearth is formed by stacking and welding square coil pipes from bottom to top, a burner is installed at the bottom of the hearth, each group of square coil pipes are provided with an oil inlet and an oil outlet, the oil inlet of each group of square coil pipes is connected with a corresponding convection heating surface, the oil outlet of each group of square coil pipes is respectively connected with an independent communicating pipe, the communicating pipes are connected with a ceiling pipe inlet header, the convection heating surface and an evaporator are sequentially arranged in the descending flue from top to bottom, an economizer and an air preheater are sequentially installed in the tail flue from bottom to top, the vertical gas-fired heat-conducting oil boiler structure is characterized in that partial pipes, close to one side of the horizontal steering chamber, at the uppermost end of the square coil pipes are arranged in a staggered manner from top to bottom, the flue gas clearance be used for furnace with the horizontal flue gas circulation that turns to the room, the top square coil pipe top welding has the top to seal.
The staggered pipes are further characterized in that each four layers of staggered pipes form a cycle, and the axes of the four pipes in one cycle are positioned on the same inclined plane;
the convection heating surface comprises two groups which are arranged at intervals, a group of ash cleaning pipes are arranged above each group of convection heating surface, each group of ash cleaning pipes comprises two rows which are arranged at intervals and in staggered arrangement, each ash cleaning pipe comprises a horizontal section which penetrates through the descending flue and a bending section which faces the convection heating surface, the end part of the bending section is connected with a long pipe, the bottom of the long pipe is provided with a strip-shaped air outlet, and the strip-shaped air outlet is communicated with an air source arranged outside the descending flue through an air channel in the ash cleaning pipe;
the two rows of ash removal pipes are respectively arranged at two sides of the central line of the flue;
the strip-shaped air outlet is of a flaring structure.
After the invention is adopted, the square coil pipes at the uppermost ends are positioned at the horizontal steering chamber to be partially diluted and then are arranged in a staggered way, so that the flue gas can conveniently and quickly enter the horizontal steering chamber, the original connecting flue is saved, the installation operation is simplified, and partial installation cost is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view of a cross-arranged and thin-drawn part of a square tube;
FIG. 4 is a top view of the ash removal pipe.
Detailed Description
Referring to fig. 1 to 4, a vertical gas-fired heat-conducting oil boiler structure comprises a hearth 1, a horizontal steering chamber 2, a descending flue 3 and a tail flue 4, wherein the hearth 1 is formed by stacking and welding square coil pipes 5 from bottom to top, a burner 6 is arranged at the bottom of the hearth 1, each group of square coil pipes 5 is provided with an oil inlet and an oil outlet, the oil inlet of each group of square coil pipes 5 is connected with a corresponding convection heating surface 7, the oil outlet of each group of square coil pipes 5 is respectively connected with an independent communicating pipe which is connected with a ceiling pipe inlet header, the descending flue 3 is internally provided with the convection heating surface 7 and an evaporator 8 in sequence from top to bottom, the tail flue 4 is internally provided with an energy saver 9 and an air preheater 10 in sequence from bottom to top, partial pipes of the square coil pipe 5 at the uppermost end, which are close to one side of the horizontal steering chamber 2, the upper half part of the tubes are arranged in a staggered manner, a flue gas gap 16 is reserved between two adjacent layers of the tubes, the flue gas gap 16 is used for flue gas circulation of the hearth 1 and the horizontal steering chamber 2, and the top of the square coil pipe 5 at the uppermost end is welded with a top seal to ensure the sealing property.
Every four layers of staggered pipes are a circulation, and the axes of the four pipes in one circulation are positioned on the same inclined plane, so that the reasonable smoke speed is kept while smoke can pass through the pipes in sequence, and the smoke circulation is not influenced.
The convection heating surface 7 comprises two groups which are arranged at intervals, a group of ash removing pipes 11 are arranged above each group of convection heating surfaces 7, each group of ash removing pipes 11 comprises two rows which are arranged at intervals and in staggered arrangement, each ash removing pipe 11 comprises a horizontal section which penetrates through the descending flue 3 and a bending section which faces the convection heating surface 7, the end part of the bending section is connected with a long pipe 12, the bottom of the long pipe 12 is provided with a strip-shaped air outlet 13, and the strip-shaped air outlet 13 is communicated with an air source 15 which is arranged outside the descending flue 3 through an air channel 14 in the ash removing pipe 11.
In order to ensure the ash removal effect, the two rows of ash removal pipes 11 are respectively arranged on two sides of the central line of the descending flue 3, so that whether the two sides can be swept as far as possible is avoided, and the strip-shaped air outlet 13 is of a flaring structure, so that the air outlet coverage area can be further increased, and the ash removal effect is improved.
The burner 6 is positioned at the bottom of the boiler hearth 1, and high-temperature flue gas generated by fully mixing and burning natural gas with air entering the burner 6 vertically upwards passes through a hearth 1 radiation heating surface consisting of square coils, then sequentially passes through the horizontal steering chamber 2, the two-stage convection heating surface 7, the two-stage evaporator 8, the economizer 9 and the air preheater 10 and then enters a chimney.
The 104 ℃ demineralized water is heated into hot water with higher temperature by the economizer 9, enters the drum 17, and then is distributed into the evaporator inlet header by the downcomer. Each stage of evaporator is vertically arranged by two groups of inclined heating surfaces, a medium in a pipe is heated into a steam-water mixture, and then enters a drum through a riser to be converted into saturated steam through steam-water separation. The cold air of 20 ℃ is heated by the air preheater and then is changed into hot air, so that the efficiency of the boiler is further increased, and the temperature of the discharged smoke is further reduced.
Claims (5)
1. A vertical gas-fired heat-conducting oil boiler structure comprises a hearth, a horizontal steering chamber, a descending flue and a tail flue, wherein the hearth is formed by stacking and welding square coil pipes from bottom to top, a burner is installed at the bottom of the hearth, each group of square coil pipes are provided with an oil inlet and an oil outlet, the oil inlet of each group of square coil pipes is connected with a corresponding convection heating surface, the oil outlet of each group of square coil pipes is respectively connected with an independent communicating pipe, the communicating pipes are connected with a ceiling pipe inlet header, the convection heating surface and an evaporator are sequentially arranged in the descending flue from top to bottom, an economizer and an air preheater are sequentially installed in the tail flue from bottom to top, the vertical gas-fired heat-conducting oil boiler structure is characterized in that partial pipes, close to one side of the horizontal steering chamber, at the uppermost end of the square coil pipes are arranged in a staggered manner from top to bottom, the flue gas clearance be used for furnace with the horizontal flue gas circulation that turns to the room, the top square coil pipe top welding has the top to seal.
2. A vertical gas-fired heat transfer oil boiler structure according to claim 1, wherein the staggered tubes are in one cycle every four layers, and the axial centers of the four tubes in one cycle are in the same inclined plane.
3. The vertical gas-heat conducting oil boiler structure according to claim 1, wherein the convection heating surface comprises two groups arranged at intervals, a group of ash removal pipes is arranged above the convection heating surface of each group, each group of ash removal pipes comprises two rows arranged at intervals and in staggered arrangement, each ash removal pipe comprises a horizontal section penetrating through the descending flue and a bending section facing the convection heating surface, the end of the bending section is connected with a long strip pipe, the bottom of the long strip pipe is provided with a strip-shaped air outlet, and the strip-shaped air outlet is communicated with an air source arranged outside the descending flue through a gas channel in the ash removal pipe.
4. The vertical gas-fired heat transfer oil boiler structure according to claim 3, wherein the two rows of ash removal pipes are respectively arranged on two sides of the central line of the flue.
5. The vertical gas conduction oil boiler structure according to claim 3, wherein the strip-shaped air outlet is of a flaring structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110331487.1A CN112944301A (en) | 2021-03-29 | 2021-03-29 | Vertical gas conduction oil boiler structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110331487.1A CN112944301A (en) | 2021-03-29 | 2021-03-29 | Vertical gas conduction oil boiler structure |
Publications (1)
Publication Number | Publication Date |
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CN112944301A true CN112944301A (en) | 2021-06-11 |
Family
ID=76226975
Family Applications (1)
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CN202110331487.1A Pending CN112944301A (en) | 2021-03-29 | 2021-03-29 | Vertical gas conduction oil boiler structure |
Country Status (1)
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CN (1) | CN112944301A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114183923A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Comprehensive utilization system and control method for gas heat-conducting oil furnace |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201795514U (en) * | 2010-07-22 | 2011-04-13 | 宁波广汇进出口有限公司 | Soot blowing device and boiler with same |
CN104034036A (en) * | 2014-05-15 | 2014-09-10 | 江苏太湖锅炉股份有限公司 | Large modular vertical fuel gas organic heat carrier boiler |
CN105066435A (en) * | 2015-08-18 | 2015-11-18 | 罗辉 | Vertical module boiler using methanol fuel |
CN105465774A (en) * | 2015-12-23 | 2016-04-06 | 杭州燃油锅炉有限公司 | Low-nitrogen pulverized coal organic heat carrier boiler |
CN107816801A (en) * | 2017-11-20 | 2018-03-20 | 江苏太湖锅炉股份有限公司 | π type fuel vapor organic heat carrier furnaces |
CN207279591U (en) * | 2017-09-28 | 2018-04-27 | 中国石油集团渤海石油装备制造有限公司 | A kind of ocean thickened oil recovery injection boiler |
CN214580974U (en) * | 2021-03-29 | 2021-11-02 | 江苏太湖锅炉股份有限公司 | Vertical gas heat-conducting oil boiler structure |
-
2021
- 2021-03-29 CN CN202110331487.1A patent/CN112944301A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201795514U (en) * | 2010-07-22 | 2011-04-13 | 宁波广汇进出口有限公司 | Soot blowing device and boiler with same |
CN104034036A (en) * | 2014-05-15 | 2014-09-10 | 江苏太湖锅炉股份有限公司 | Large modular vertical fuel gas organic heat carrier boiler |
CN105066435A (en) * | 2015-08-18 | 2015-11-18 | 罗辉 | Vertical module boiler using methanol fuel |
CN105465774A (en) * | 2015-12-23 | 2016-04-06 | 杭州燃油锅炉有限公司 | Low-nitrogen pulverized coal organic heat carrier boiler |
CN207279591U (en) * | 2017-09-28 | 2018-04-27 | 中国石油集团渤海石油装备制造有限公司 | A kind of ocean thickened oil recovery injection boiler |
CN107816801A (en) * | 2017-11-20 | 2018-03-20 | 江苏太湖锅炉股份有限公司 | π type fuel vapor organic heat carrier furnaces |
CN214580974U (en) * | 2021-03-29 | 2021-11-02 | 江苏太湖锅炉股份有限公司 | Vertical gas heat-conducting oil boiler structure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114183923A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Comprehensive utilization system and control method for gas heat-conducting oil furnace |
CN114183923B (en) * | 2022-02-16 | 2022-06-28 | 浙江百能科技有限公司 | Comprehensive utilization system of gas heat-conducting oil furnace and control method |
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