CN201400658Y - Modular petrochemical-engineering heating furnace - Google Patents
Modular petrochemical-engineering heating furnace Download PDFInfo
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- CN201400658Y CN201400658Y CN 200820175338 CN200820175338U CN201400658Y CN 201400658 Y CN201400658 Y CN 201400658Y CN 200820175338 CN200820175338 CN 200820175338 CN 200820175338 U CN200820175338 U CN 200820175338U CN 201400658 Y CN201400658 Y CN 201400658Y
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- heating furnace
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Abstract
The utility model relates to a modular petrochemical-engineering heating furnace, which belongs to the field of the special device for petrochemical engineering in the mechanical engineering. Each heating furnace is formed by assembling a plurality of cuboid-shaped modules, and each module comprises furnace walls at two sides, elbow boxes on two ends, a journal stirrup and a pipe plate on the inner side of the furnace wall, a furnace pipe and a header. Generally the height, the width and the length of the module are free from traffic violation. The furnace walls of each module, which are closeto the bottom part, are provided with an adjusting and fixing mechanism for adjusting the distance between the side furnace walls, and the adjusting mechanism passes through the furnace wall and is symmetrically matched with the side furnace walls. The top part of the module is connected with an equalizing frame or a lifting eye which is convenient for the hoisting. The upper and the lower sidesof the furnace wall of each module are provided with a great amount of circular bolt holes, and the distance between two adjacent bolt holes is about 200 mm. After two paired groups of modules are overlapped, the connection bolt holes can be successfully centered and can be used for a bolt to pass sucessfully.
Description
1, technical field
The utility model is the moudle type petrochemical heating furnace, belongs to the design-and-build field in the mechanical engineering.
2, background technology
(1) structure design of traditional heating stove and function
Process furnace is the tap in the petrochemical complex, comprises atmospheric pressure kiln, vacuum furnace, SECTION TUBE FOR HYDROGEN MANNU-FACTURING FURNACE, reforming furnace, coking furnace, converter and pyrolyzer etc.Acting on of tubular oven is that medium (oil plant or gas) is heated to the required temperature of technology.
The four sides of body of heater surrounds burner hearth by tall and big furnace wall, and furnace wall is by profile steel frame upper berth welding steel plates such as joist steel, and the welding bar for line that distributes on the steel plate is molded into heat insulation and high-abrasive material between bar for line.The support of installing on the furnace wall is being supported tube sheet, boiler tube passes the perforated pipe plate by the tube sheet support, and what flow through in the boiler tube is the oil plant that needs heating, and what the boiler tube outside was flow through in burner hearth from the bottom up is high-temperature flue gas or hot blast,, heat is passed to the interior oil plant of pipe by tube wall.
For example, ethane cracking furnace is assembled up and down by convection zone and radiation section two big sections, and one 150,000 tons/year general overall dimensions of ethane cracking furnace convection zone often reach long 18m * high 28m * wide 3m, belong to towering steel construction.
(2) method of construction of traditional heating stove
Because historical reasons, traditional regular practice was that engineering works produce accessories such as tube sheet, finned tube and elbow during body of heater was built, and was responsible at building-site these parts being assembled into body of heater integral body with the steel construction furnace wall by construction company then.
In device site welding technology convection section in cracking furnace, there are two kinds of operating techniquies to be mainly reflected on the casting process of furnace wall in early stage, the one, horizontal casting, the 2nd, vertical casting.
Horizontal casting furnace wall welds the furnace wall steel construction horizontal supporting of bar for line on platform, pours casting material into, suitably makes firm by ramming solidly, spreads template forming above and gets final product.The benefit of horizontal casting furnace wall is construction operation easily, and it is convenient to check, the easier assurance of quality, production safety.Shortcoming is that the curing time of casting back furnace wall is longer, takies certain duration, and moving and erecting the process of assembling of furnace wall will be taked enough preventing deformation measures, and the protection furnace wall is not damaged.
Vertical casting furnace wall is the both sides furnace wall steel construction that welds bar for line to be hung to erect be bearing in face-to-face on the device building-site framework, adjust spacing between the furnace wall of both sides by the tube sheet in the stove or other auxiliary meanss, and in the firm template of furnace wall medial surface upper support, between template and furnace wall steel construction, pour casting material into, suitably make solid getting final product firm by ramming.
The benefit of vertical casting furnace wall is to move and to hang upright furnace wall again, can carry out the construction of other operations synchronously in the maintenance later stage of casting furnace wall, makes things convenient for owner and supervision of construction side to monitor each process quality.Shortcoming is construction of open-air high-altitude and inspection inconvenience, and the duration can be influenced by severe weather, and the quality-guarantee difficulty is big, and production safety is compromised.
(3) problem of traditional design building technology existence
At the device site welding technology, the piercing into of its boiler tube, construct because of high-altitude in the open with spraying paint all of anti-revisionist, the surperficial strictness of furnace wall of the ray detection of the assembly welding of elbow and weld seam, weld defect and to bring inconvenience, with the HSE policy of modern project management gap is arranged, the wear-resisting insulated lining of furnace wall is subjected to weather effect meeting strain cracking, inefficacy gets loose or drench with rain.
This shows, petrochemical heating furnace is carried out the improvement of design-and-build technical elements, can increase economic efficiency, have very strong engineering significance
3, summary of the invention
The technical issues that need to address of the present invention are: what (1) original whole tall and big process furnace be foundation, how determine that it turns to the size of several component models with; (2) structure formation of each independent module and how to guarantee that the assembling between a plurality of modules connects; (3) the structure building technology of each independent module comprises the assurance of structural strength and rigidity and module size tolerance range; (4) lifting of each independent module and transportation entrucking technology guarantee that module is indeformable in this process, make finally and carry out smoothly in the installation in building site.
The present invention is a kind of moudle type petrochemical heating furnace, and purpose is to overcome the shortcoming of prior art with not enough.Each process furnace is assembled by the module of some cuboids, each part module comprises the header box at both sides furnace wall and two ends, journal stirrup and tube sheet, boiler tube and the collection case of furnace wall inboard, near the adjusting and the fixed mechanism that are provided with both sides furnace wall spacing on two furnace walls of bottom, regulating mechanism passes the wall thickness of furnace wall, is that mutual symmetry is matched complete between the furnace wall of both sides in each module.The module top is connected with the weighing apparatus shelf structure or the hanger of convenient lifting usefulness.All open by a large amount of circular bolt holes the furnace wall top and bottom of each pack module.Change assembling that process furnace carries out component at the device building-site and be welded as the on-the-spot modularization formula new construction method that " plays with building blocks ".
Implement the present invention: (1) is according to the overall dimension and the communications and transportation route of process furnace, process furnace integral body cut apart be designed to suitable some of length and weight, form by closed assembly about the module, need carry out new Intensity Design and structure design to this, usually the height of module, width and length are not answered the regulation of traffic violation, reach the purpose that breaks the whole up into parts like this; (2) the special technical requirements of assembly welding body of heater is that the cooperation group in its up to a hundred joint bolt holes between the side wall of two modules up and down is very high to precision in the factory building of workshop, bolt hole can only be a circular hole and can not be slotted hole, this just requires further exploitation to carry out the pre-assembling of two pack modules up and down respectively and adjust fixing, the bolt hole of two pack modules will be attached to one and joins brill up and down, reaches between a plurality of modules accurately assembling purpose of connecting like this; (3) structural strength of module and rigidity principal element are its furnace walls, according to new Intensity Design and structure design, so will strengthen column, dwindle the stiffening web spacing, reach the purpose that guarantees structural strength and rigidity like this; (4) make module at manufactory workshop factory building fully, need to use the non-high precision group that is completely fixed structure of big shape rectangular parallelepiped to and hoisting technology, need to use measuring technologys such as laser total station; (5) be provided with both sides furnace wall spacing on two furnace walls of each module bottom and regulate fixed mechanism, the quantity of mechanism is decided on the length and the weight of furnace wall, and regulating mechanism passes the wall thickness of furnace wall, is that mutual symmetry is matched complete between the furnace wall of both sides; In the shop assembled stage, mechanism can regulate both sides furnace wall spacing by the rotation of nut, satisfies the installation dimension of design; In the transportation and the installation lifting stage of module, mechanism is both sides furnace wall spacing fixedly, keeps the size constancy between the furnace wall; When module after device building-site closed assembly is finished, mechanism can pull down from the furnace wall both sides, reaches the purpose that guarantees the module size accuracy like this; (6) be transported to the building-site installation again and get final product, need to use non-entrucking and the technique for fixing that is completely fixed structure of big shape rectangular parallelepiped.Before the installation lifting of module, the module top is connected with the weighing apparatus shelf structure of convenient lifting usefulness, the weighing apparatus frame is a complementary suspender, this weighing apparatus frame is applicable to the lifting of same each module of stove, when using this weighing apparatus frame lifting module, can make to connect reliable and producing balanced forces between each spare and accessory parts of module, guarantee its relative orientation size stability, reach the purpose of smooth installation like this.
Like this, the present invention gets and must other beneficial effect be: working condition and quality product situation improve, avoid the building-site open work to be subjected to the influence of adverse weather, building-site working aloft and cross-operation have been significantly reduced, avoid the building-site welded seam need carry out the influence of radiographic test, meet popular HSE (health, safety, environment) system in the world environment.Build the assembling welding of carrying out component traditionally at the device building-site by changing process furnace, become by manufactory's workshop modularization manufacturing, be transported to " playing with building blocks " formula highly effective and safe new construction method of device building-site.
4, description of drawings
Shown in Figure 1 is convection zone 7 pack modules closed assembly synoptic diagram up and down.
5, embodiment
At first, according to traffic route and mode of transport between manufactory and the device building site, the length and width high limit size of determination module is considered factors such as vehicle model structure, carries out the structure design of module on this basis;
Secondly, welded furnace wall and welded bar for line in the furnace wall inboard by shaped steel and steel plate, by bolt assembling upper bracket, the casting furnace wear-resisting insulating of side within the walls erects the both sides furnace wall then between bar for line.
Between the furnace wall of both sides, pack into and hold tube sheet and sagging plate, on tube sheet, pierce into boiler tube, at boiler tube two ends assembly welding elbow and header, boiler tube is linked together, and butt welded seam carries out quality examinations such as radiographic test.
Through the sinuous coil that connects together is carried out the water test qualified after, at two ends assemblings header box, and appearance is painted a pack module of packing.Progressively build each module of a tubular oven.
Once more; Utilizing the weighing apparatus frame to lift is contained in a pack module on the transport trolley.Each module is transported to the device building site, and by above-mentioned " 4, description of drawings " overlapping being installed to together as shown in Figure 1 of order up and down.
In recent years, the national communication infrastructure construction was strengthened, the freeway net area that spreads all over the country, and the long-distance transport distance shortens greatly, and jolting on the road also significantly reduces, for the transportation of this ultralong overweight equipment of pyrolyzer module provides good condition.
Claims (5)
1. a moudle type petrochemical heating furnace is characterized in that each process furnace is assembled by the module of some cuboids, and each part module comprises the header box at both sides furnace wall and two ends, journal stirrup and tube sheet, boiler tube and the collection case of furnace wall inboard.
2. a kind of moudle type petrochemical heating furnace according to claim 1 is characterized in that: each process furnace integral body is dissolved from different azimuth up and down on demand be a plurality of modules.
3. a kind of moudle type petrochemical heating furnace according to claim 1, it is characterized in that: be provided with both sides furnace wall spacing and regulate fixed mechanism on two furnace walls of each module bottom, regulating mechanism passes the wall thickness of furnace wall, is that mutual symmetry is matched complete between the furnace wall of both sides.
4. a kind of moudle type petrochemical heating furnace according to claim 1 is characterized in that: the weighing apparatus shelf structure that is connected with convenient lifting usefulness at the installation lifting front module top of module.
5. a kind of moudle type petrochemical heating furnace according to claim 1, it is characterized in that: all open by a large amount of circular bolt holes the furnace wall top and bottom of each pack module, the about 200mm of bolt hole spacing, process through pre-assembling when two groups of its furnace wall bolts hole of paired module are made in the workshop up and down, two pack modules are behind device building-site closed assembly up and down, and its joint bolt hole is centering and pass bolt successfully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820175338 CN201400658Y (en) | 2008-11-11 | 2008-11-11 | Modular petrochemical-engineering heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820175338 CN201400658Y (en) | 2008-11-11 | 2008-11-11 | Modular petrochemical-engineering heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201400658Y true CN201400658Y (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820175338 Expired - Lifetime CN201400658Y (en) | 2008-11-11 | 2008-11-11 | Modular petrochemical-engineering heating furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774640A (en) * | 2015-03-30 | 2015-07-15 | 茂名重力石化机械制造有限公司 | Heating furnace with obliquely-arranged coil pipes |
| CN109322497A (en) * | 2018-10-18 | 2019-02-12 | 中国化学工程第六建设有限公司 | Acetic acid cracking oven module construction method |
| CN110411215A (en) * | 2019-07-25 | 2019-11-05 | 茂名重力石化装备股份公司 | A kind of heating furnace of no pull rod |
| CN110411214A (en) * | 2019-07-25 | 2019-11-05 | 茂名重力石化装备股份公司 | A kind of heating furnace for cancelling pull rod |
-
2008
- 2008-11-11 CN CN 200820175338 patent/CN201400658Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774640A (en) * | 2015-03-30 | 2015-07-15 | 茂名重力石化机械制造有限公司 | Heating furnace with obliquely-arranged coil pipes |
| CN109322497A (en) * | 2018-10-18 | 2019-02-12 | 中国化学工程第六建设有限公司 | Acetic acid cracking oven module construction method |
| CN110411215A (en) * | 2019-07-25 | 2019-11-05 | 茂名重力石化装备股份公司 | A kind of heating furnace of no pull rod |
| CN110411214A (en) * | 2019-07-25 | 2019-11-05 | 茂名重力石化装备股份公司 | A kind of heating furnace for cancelling pull rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ENGRG CONSTRUCTION CO., SINOPEC |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Zongqiang Inventor after: Sun Xiangjun Inventor after: Chen Sunyi Inventor after: Hu Ming Inventor after: Guo Yuping Inventor after: Yuan Mujun Inventor after: Lin Jinhua Inventor after: Liang Xiaolong Inventor before: Chen Zongqiang Inventor before: Chen Sunyi Inventor before: Liang Xiaolong Inventor before: Lin Jinhua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN ZONGQIANG CHEN SUNYI LIANG XIAOLONG LIN JINHUA TO: CHEN ZONGQIANG SUN XIANGJUN CHEN SUNYI HU MING GUO YUPING YUAN MUJUN LIN JINHUA LIANG XIAOLONG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101019 Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Co-patentee after: Engrg Construction Co., SINOPEC Patentee after: The Challenge Petrochemical Machinery Corporation Address before: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee before: The Challenge Petrochemical Machinery Corporation |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: The Challenge Petrochemical Machinery Corporation Patentee after: Sinopec Engineering Incorporation Address before: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee before: The Challenge Petrochemical Machinery Corporation Patentee before: Engrg Construction Co., SINOPEC |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Patentee after: Sinopec Engineering Incorporation Address before: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee before: The Challenge Petrochemical Machinery Corporation Patentee before: Sinopec Engineering Incorporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100210 |