CN205784800U - The heating furnace that a kind of coil pipe is drawable - Google Patents
The heating furnace that a kind of coil pipe is drawable Download PDFInfo
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- CN205784800U CN205784800U CN201620635692.1U CN201620635692U CN205784800U CN 205784800 U CN205784800 U CN 205784800U CN 201620635692 U CN201620635692 U CN 201620635692U CN 205784800 U CN205784800 U CN 205784800U
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Abstract
The heating furnace that a kind of coil pipe of the present utility model is drawable, formed by several heat exchange coil module assembleds, heat exchange coil module includes the furnace wall of both sides, the header box being arranged at the two ends of furnace wall and the coil pipe being arranged in furnace wall, coil pipe is connected assembly welding by tube sheet, boiler tube, elbow, flange short tube and header and forms, tube sheet is bearing on the journal stirrup inside furnace wall, and coil pipe can be extracted out in furnace wall or be pushed into furnace wall.Assembly welding is carried out at device building-site, the perfect highly effective and safe new construction method of " playing with building blocks " Modular heating furnace by the coil pipe of the bottom heat exchange tube module of heating furnace is changed；During construction, upper module is not affected by the module boiler tube delivery cycle of bottom, and working condition and product quality situation are improved, it is to avoid open work building site is affected by adverse weather, greatly reduce building-site work high above the ground and cross-operation；Conveniently build, overhaul and change the indivedual coil pipes being easily damaged, simple in construction, it is possible to extend the service life of whole heating furnace.
Description
Technical field
This utility model relates to the tubular heater technical field in petroleum refining, petrochemical industry and other chemical industry, specifically
Relate to the heating furnace that a kind of coil pipe is drawable.
Background technology
(1) structure of traditional heating stove designs and function
Heating furnace is the tap in petrochemical industry, including atmospheric pressure kiln, vacuum furnace, SECTION TUBE FOR HYDROGEN MANNU-FACTURING FURNACE, reformer, coking furnace, conversion
Stove and pyrolysis furnace etc..The effect of tubular heater is that medium (oil plant or gas) is heated to the temperature needed for technique.
The four sides of body of heater is surrounded burner hearth by tall and big furnace wall, and furnace wall is by the profile steel frame upper berth welding steel plates such as I-steel, steel plate
Upper distribution welding bar for line, is molded into heat insulation and high-abrasive material between bar for line.The support installed on furnace wall supports tube sheet,
Boiler tube is supported by tube sheet through perforated pipe plate, and flow through in boiler tube is the oil plant needing heating, outside boiler tube in burner hearth from
Under up flow through is high-temperature flue gas or hot blast, heat passes to the oil plant in pipe or other medium by tube wall.
Such as, ethane cracking furnace is assembled up and down by convection section and the big section of radiant section two, and 150,000 tons/year of ethylene split
Solve the general overall dimensions of stove convection section and often reach long 18m × high 28m × wide 3m, belong to towering steel construction.
(2) current heating furnace method of construction
Due to historical reasons, during body of heater is built, traditional usual practice is that enginerring works produce tube sheet, finned tube and curved
First-class accessory, is then responsible for, at building-site, together with steel construction furnace wall, these parts are assembled into body of heater by Construction Company whole
Body.At device site welding technology, piercing into and the assembly welding of elbow and the ray detection of weld seam, anti-revisionist, the stove of weld defect of its boiler tube
What wall surface was strict sprays paint all because the construction of outdoor high-altitude brings inconvenience, has gap, stove with the HSE policy of modern project management
Wall Wear-resistant heat insulation lining is affected meeting strain cracking by weather, get loose or drench with rain inefficacy.
The beginning of this century, Modular petrochemical-engineering heating furnace building technology is developed and applied, and each heating furnace is by some
The module closed assembly or assembled of part cuboid, each module includes the journal stirrup inside both sides furnace wall, furnace wall, tube sheet, stove
Pipe, middle header and the header box at two ends, be provided with the tune of both sides furnace wall spacing on two furnace walls of bottom in each module
Joint and fixed mechanism, governor motion through the wall thickness of furnace wall, be mutually symmetrical with matching the furnace wall of both sides set of.Module top
Portion connects truss structure or the hanger having convenient lifting.The furnace wall top and bottom of each group of module all have substantial amounts of circular bolt
Hole.The modularity that assembly welding is scene that change heating furnace carries out parts at device building-site " plays with building blocks " formula construction newly
Method.Technology path is: (1), according to the overall dimension of heating furnace and transportation route, is designed as the segmentation of heating furnace entirety
Length and the most some of weight, so reach the purpose broken the whole up into parts；(2) complete group in maker plant building
The each module of brazier body；(3) modular transportation is installed to building-site.
(3) problem that modularized design building technology exists
Existing modular construction method is all first assembly welding each heat exchange coil module good, then completely changes multiple
Hot coil module is built, and convection section bottom coil pipe often selects high-grade material because of radiation and higher temperatures flue gas environment
Boiler tube, the delivery cycle of boiler tube is relatively long, the manufacture supply of material of delayed convection section lower module, needs with device in-site installation
First the requirement installing lower module contradicts, and becomes the key of large project construction progress.
The modularity building technology that either conventional construction techniques of heating furnace is still innovated all exist one common old
Furnace wall repairs problem.The lining of convection section is generally lightening casting material form, in pyrolysis furnace running, and once furnace wall castable
Aging or other reasons produces cracking, peels off, and when needing to repair, it is necessary to blowing out immediately, then opens header box, destroy boiler tube with
Weld seam between elbow, extracts out boiler tube, then repairs lining or adjust boiler tube, and the elbow dismantled can not repeat use.This process
In whole cracking furnace installation must quit work, then dismount and repair, workload is the hugest, and work difficulty is higher.Because stove
Space is the narrowest within the walls, is again the most poor at device site operation, construction environment and construction equipment, it is impossible to ensure to repair lining
In quality, it is impossible to ensure that pyrolysis furnace has the higher thermal efficiency and longer service life, make convection section maintenance cost higher, deposit
In potential safety hazard.
As can be seen here, petrochemical heating furnace is designed and improvement in terms of building technology, economic effect can be improved
Benefit, has the strongest engineering significance.
Utility model content
There is above-mentioned technical problem for prior art, this utility model provides a kind of simple in construction, can improve construction
With Maintenance and Repair work efficiency, and the drawable heating furnace of coil pipe of installation period, flexible operating can be shortened.
For achieving the above object, this utility model offer techniques below scheme:
The heating furnace that a kind of coil pipe is drawable is provided, several heat exchange coil module assembleds forms, described heat exchange coil
Module includes the furnace wall of both sides, the header box being arranged at the two ends of described furnace wall and the coil pipe being arranged in described furnace wall, coil pipe
Being connected assembly welding by tube sheet, boiler tube, elbow, flange short tube and header to form, described tube sheet is bearing in the journal stirrup inside described furnace wall
On, described coil pipe can be extracted out in described furnace wall or is pushed into described furnace wall.
Wherein, described coil pipe is integrated the coil pipe of assembly welding, and described coil pipe overall can be extracted out or push away in described furnace wall
Enter.
Wherein, described coil pipe is made up of some component coil pipes stacking, connects for fixing between the tube sheet of some component coil pipes,
Described coil pipe overall can be extracted out or advance in described furnace wall.
Wherein, described coil pipe is made up of some component coil pipes stacking, for being slidably connected between the tube sheet of some component coil pipes,
Described coil pipe overall can be extracted out or advance in described furnace wall, or the described point coil pipe of part can be extracted out in described furnace wall or
Advance.
Wherein, the group number of the journal stirrup inside described furnace wall is corresponding with the quantity of described point of coil pipe, and every component coil pipe
Tube sheet is bearing in respectively often to be organized on journal stirrup.
Wherein, being provided only with one group of journal stirrup inside described furnace wall, the bottom of some component coil pipes divides the tube sheet of coil pipe to support
In described journal stirrup, remaining point of coil pipe up stacks.
Wherein, inside described furnace wall, it is provided only with one group of journal stirrup, the tube sheet supporting of point coil pipe of several point of coil pipe top layer
In described journal stirrup, remaining point of coil pipe is down stacked by hanging hook.
Wherein, described tube sheet is provided with some pieces, and is provided with distance sink tube between adjacent described tube sheet.
Wherein, described coil pipe is made up of some component coil pipes stacking, and the distance between the tube sheet of different described point of coil pipes can
Regulation is arranged, and divides the tube sheet of coil pipe that cross section is provided with spacing up and down, and/or divides coil pipe to be provided with in longitudinal axis up and down
Spacing.
Wherein, fixing between described boiler tube with described tube sheet it be connected or be slidably connected.
The beneficial effects of the utility model:
The heating furnace that a kind of coil pipe of the present utility model is drawable, is formed by several heat exchange coil module assembleds, heat exchange
Coil pipe module includes the furnace wall of both sides, the header box being arranged at the two ends of furnace wall and the coil pipe being arranged in furnace wall, and coil pipe includes
Tube sheet, boiler tube and elbow, tube sheet is bearing on the journal stirrup inside furnace wall, and coil pipe can be extracted out in furnace wall or be pushed into stove
Wall.Compared with prior art, the application in use, after opening header box, can be extracted out or be pushed in furnace wall by coil pipe
Furnace wall, has the advantage that (1) is carried out at device building-site by the coil pipe of the bottom heat exchange tube module of heating furnace is changed
Assembly welding, the perfect highly effective and safe new construction method of " playing with building blocks " Modular heating furnace；(2) when building, the module on top is not
Affected by the boiler tube delivery cycle of the module of bottom, can first build the remainders such as furnace wall, the follow-up coil pipe that advances again, produce bar
Part and product quality situation are improved, it is to avoid open work building site is affected by adverse weather, greatly reduces building-site
Work high above the ground and cross-operation, do not affect the installation of other modules, it is ensured that project duration；(3) air-conditioning, chemical industry, oil it are applicable to
Field of heat exchange equipment in chemical industry, electric power energy, smelting iron and steel industry, it is to avoid building-site welded seam need to carry out radiographic inspection
Impact on environment, designing technique theory meets the most popular petrochemical equipment manufacture maintenance HSE (health, safety, environment)
System；(4) conveniently build, overhaul and change the indivedual coil pipes being easily damaged, simple in construction, it is possible to extend whole heating furnace
Service life.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing is not constituted of the present utility model
Any restriction, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to following attached
Figure obtains other accompanying drawing.
Fig. 1 is the structural representation of the first coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 2 is the structural representation of the second coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 3 is the structural representation of the third coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 4 is the structural representation of the 4th kind of coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 5 be Fig. 3 A to schematic diagram.
Fig. 6 is the structural representation of the 5th kind of coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 7 is the structural representation of the 6th kind of coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 8 is the structural representation of the 7th kind of coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
Fig. 9 is the structural representation of the 8th kind of coil pipe of the drawable heating furnace of a kind of coil pipe of the present utility model.
The reference that Fig. 1 to Fig. 9 comprises:
1 boiler tube, 2 tube sheets, 3 distance sink tubes,
4 first points of coil pipes, 5 second points of coil pipes, 6 first points of tube sheets of coil pipe, 7 second points of coil pipes
Tube sheet, 8 sliding pairs,
9 stationary planes, 10 slip boiler tubes, 11 pipe hold gaps,
12 fix boiler tube, 13 pores, 20 rollers,
14 the 3rd points of coil pipes, 15 journal stirrups, 16 furnace walls, 17 back timbers, 18 bottom girders, 19
Three points of coil pipe tube sheets,
20 rollers, 21 hanging hooks.
Horizontal, the B of A coil pipe——Coil pipe longitudinal,L ——Packet coil pipe tube sheet spacing,L1 、 L2——Two kinds of tube sheet spacing in packet coil pipe.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, this utility model is described in detail.
Embodiment 1
One of heating furnace that a kind of coil pipe of the present embodiment is drawable, heating furnace is by several heat exchange coil module assembleds
Becoming, wherein heat exchange coil module sees shown in Fig. 1 and Fig. 7, and heat exchange coil module includes the furnace wall 16 of both sides, back timber 17, bottom girder
18, the header box being arranged at the two ends of furnace wall 16 and the coil pipe being arranged in furnace wall 16, coil pipe by some pieces of tube sheets 2, boiler tube 1,
Elbow, flange short tube and header (not drawing in figure) connect assembly welding and form, the pore 13 that boiler tube 1 is arranged on tube sheet, and coil pipe leads to
Crossing on the journal stirrup 15 inside furnace wall 16 of the supporting leg on tube sheet 2, in Fig. 1, coil pipe is integrated the coil pipe of assembly welding, coil pipe in Fig. 7
Being made up of three component coil pipes, coil pipe can be extracted out in furnace wall 16 in whole or in part or advance.It is fixed to be provided with between adjacent tube sheet 2
Away from pipe 3, for ensure spacing L1 between tube sheet 2 and L2, L1 and L2 are equal or.Connected by elbow in the two ends of boiler tube 1
Or with header assembly welding.Back timber 17 and bottom girder 18 play width location and improve the effect of module integral rigidity.
Compared with prior art, the application in use, after opening header box, can be extracted out or quilt in furnace wall by coil pipe
Advance furnace wall, have the advantage that (1) is by changing into the coil pipe of the foot heat exchange tube module of heating furnace in device building site
Scene carries out assembly welding, the perfect highly effective and safe new construction method of " playing with building blocks " Modular heating furnace；(2) it is not subject to when building
Boiler tube delivery cycle affects, and working condition and product quality situation are improved, it is to avoid open work building site is by adverse weather
Impact, greatly reduces building-site work high above the ground and cross-operation；(3) air-conditioning, chemical industry, petrochemical industry, electric power energy it are applicable to
Field of heat exchange equipment in source and smelting iron and steel industry, it is to avoid building-site welded seam need to carry out the radiographic inspection shadow to environment
Ringing, designing technique theory meets the most popular petrochemical equipment manufacture maintenance HSE (health, safety, environment) system；(4) side
Just build, overhaul and change the indivedual coil pipes being easily damaged, simple in construction, it is possible to extend the service life of whole heating furnace.
Embodiment 2
The two of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 1, shown in Figure 2, and coil pipe is made up of two component coil pipe stackings, first point of dish
Forming sliding pair 8 between tube sheet 6 and the tube sheet 7 of second point of coil pipe 5 of pipe 4, for being slidably connected, coil pipe can be overall in furnace wall
Extract out or advance, or a point coil pipe for part can be extracted out in furnace wall or advance.Coil pipe is spaced further apart being two points of coil pipes, subtracts
Weight amount, conveniently from one end of module extraction or pushes coil pipe.
Embodiment 3
The three of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 1, shown in Figure 3, and coil pipe is made up of two groups of component coil pipe stackings, two components
Contact surface between the tube sheet of coil pipe is stationary plane 9, and for fixing connection, coil pipe overall can be extracted out or advance in furnace wall.Dish
Pipe is spaced further apart being two points of coil pipes, convenient transport, alleviates weight, conveniently coil pipe from one end of module extraction or is pushed.
Embodiment 4
The four of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 2, the most unaccounted feature, uses the explanation in embodiment 2, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 2, shown in Figure 4, and coil pipe is made up of two component coil pipe stackings, divides dish up and down
Distance scalable between the tube sheet of pipe is arranged, and divides the tube sheet of coil pipe that cross section is provided with spacing L up and down, divides coil pipe to exist up and down
Longitudinal axis is provided with spacing.
Embodiment 5
The five of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 2, the most unaccounted feature, uses the explanation in embodiment 2, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 2, participates in shown in Fig. 5, and Fig. 5 is the A direction view of Fig. 3, describes first point of coil pipe
Structure between the upper surface 7 of the tube sheet 7 of tube sheet 6 lower surface of 4 and second point of coil pipe 5, tube sheet 7 is provided with groove, and tube sheet 6 falls
In groove, first point of coil pipe 4 by spacing and can not be along the horizontal A of coil pipe to slip, can only be along longitudinal B of coil pipe to slip.
The bottom surface of upper perforated plate 6 can also be manufactured into herringbone, fork, the most also can not be along A to slip on lower perforated plate 7.
In Fig. 5, between the pore of slip boiler tube 10 and tube sheet 2, there is gap 11, so slip boiler tube 10 can be along B to slip.
Embodiment 6
The six of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 5, the most unaccounted feature, uses the explanation in embodiment 5, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 5, participates in shown in Fig. 6, and Fig. 6 is also the A direction view of Fig. 3, fixing boiler tube 12 and pipe
There is not pipe hold gap between the pore of plate 7, but form pore and be adjacent to 13, thus boiler tube 12 can only together with tube sheet 7 along B to
Sliding, boiler tube can not individually slide.
Embodiment 7
The seven of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 1, the most unaccounted feature, uses the explanation in embodiment 1, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 1, shown in Figure 7, and coil pipe is made up of, inside furnace wall three component coil pipe stackings
The group number of journal stirrup 15 corresponding with the quantity of point coil pipe, and the tube sheet of every component coil pipe is bearing in respectively and often organizes on journal stirrup.Peace
Can fill from the bottom up during dress, first load onto first point of coil pipe 4, refill second point of coil pipe 5, finally fill the 3rd point of coil pipe 14, or press
Other orders are installed.For convenience of propelling or the extraction of coil pipe, can install a pair roller 20 in coil pipe bottom, roller 20 is pacified at coil pipe
Can pull down after dress.
Embodiment 8
The eight of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 7, the most unaccounted feature, uses the explanation in embodiment 7, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 7, shown in Figure 8, is provided only with one group of journal stirrup 15 inside furnace wall 16, three groups
The bottom dividing coil pipe divides the tube sheet of coil pipe to be supported on journal stirrup, and remaining point of coil pipe up stacks.Can only fill from the bottom up during installation, first
First point of coil pipe 4 is arranged on unique journal stirrup, then installs on 5 to the first point of coil pipe of second point of coil pipe 4, finally fill the 3rd point
14 to the second point of coil pipe of coil pipe 5.
Embodiment 9
The nine of the detailed description of the invention of the heating furnace that a kind of coil pipe of the present embodiment is drawable, the major technique of the present embodiment
Scheme is same as in Example 7, the most unaccounted feature, uses the explanation in embodiment 7, no longer goes to live in the household of one's in-laws on getting married at this
State.The present embodiment is with the difference of embodiment 7, shown in Figure 9, is provided only with one group of journal stirrup 15 inside furnace wall 16, three groups
The tube sheet dividing the 3rd point of coil pipe 14 of coil pipe is supported on journal stirrup, and remaining point of coil pipe is down stacked by hanging hook.Can only be from during installation
On down fill, first the 3rd point of coil pipe 14 is arranged on unique journal stirrup 15, then passes through 20 second point of coil pipes 5 of hanging hook and install
On the 3rd point of coil pipe 14, hang on second point of coil pipe 5 finally by 21 first point of coil pipes 4 of hanging hook.
Last it should be noted that, above example is only in order to illustrate the technical solution of the utility model, rather than to this reality
With the restriction of novel protected scope, although having made to explain to this utility model with reference to preferred embodiment, this area general
Logical it will be appreciated by the skilled person that the technical solution of the utility model can be modified or equivalent, without deviating from this
The spirit and scope of utility model technical scheme.
Claims (10)
1. the heating furnace that coil pipe is drawable, is formed by several heat exchange coil module assembleds, described heat exchange coil module bag
The furnace wall including both sides, the header box being arranged at the two ends of described furnace wall and the coil pipe being arranged in described furnace wall, described coil pipe bag
Including tube sheet, boiler tube and elbow, described tube sheet is bearing on the journal stirrup inside described furnace wall, it is characterised in that: described coil pipe can
Extracted out in described furnace wall or be pushed into described furnace wall.
The heating furnace that a kind of coil pipe the most according to claim 1 is drawable, is characterized in that: described coil pipe is for by tube sheet, stove
Pipe, elbow, flange short tube and the coil pipe of header one assembly welding, and described coil pipe overall can extract out or pushes away in described furnace wall
Enter.
The heating furnace that a kind of coil pipe the most according to claim 1 is drawable, is characterized in that: described coil pipe is by some component dishes
Pipe stacking composition, connects for fixing between the tube sheet of some component coil pipes, and described coil pipe can overall be extracted out in described furnace wall
Or advance.
The heating furnace that a kind of coil pipe the most according to claim 1 is drawable, is characterized in that: described coil pipe is by some component dishes
Pipe stacking composition, for being slidably connected between the tube sheet of some component coil pipes, described coil pipe can overall be extracted out in described furnace wall
Or advance, or the described point coil pipe of part can be extracted out in described furnace wall or advance.
5. according to the heating furnace that a kind of coil pipe described in claim 3 or 4 is drawable, it is characterized in that: propping up inside described furnace wall
The group number of ear is corresponding with the quantity of described point of coil pipe, and the tube sheet of every component coil pipe is bearing in respectively and often organizes on journal stirrup.
6. according to the heating furnace that a kind of coil pipe described in claim 3 or 4 is drawable, it is characterized in that: only set inside described furnace wall
Being equipped with one group of journal stirrup, the bottom of some component coil pipes divides the tube sheet of coil pipe to be supported on described journal stirrup, and remaining point of coil pipe up stacks.
7. according to the heating furnace that a kind of coil pipe described in claim 3 or 4 is drawable, it is characterized in that: only set inside described furnace wall
Being equipped with one group of journal stirrup, the tube sheet of point coil pipe of several point of coil pipe top layer is supported on described journal stirrup, and remaining point of coil pipe is by hanging
Hook down stacks.
The heating furnace that a kind of coil pipe the most according to claim 1 is drawable, is characterized in that: described tube sheet is set to some
It is provided with distance sink tube between block, and adjacent described tube sheet.
The heating furnace that a kind of coil pipe the most according to claim 7 is drawable, is characterized in that: described coil pipe is by some component dishes
Pipe stacking composition, the distance scalable between the tube sheet of different described point of coil pipes is arranged, and divides the tube sheet of coil pipe at cross section up and down
It is provided with spacing, and/or divides coil pipe that longitudinal axis is provided with spacing up and down.
The heating furnace that a kind of coil pipe the most according to claim 1 is drawable, is characterized in that: described boiler tube and described tube sheet
Between fixing connect or be slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620635692.1U CN205784800U (en) | 2016-06-24 | 2016-06-24 | The heating furnace that a kind of coil pipe is drawable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620635692.1U CN205784800U (en) | 2016-06-24 | 2016-06-24 | The heating furnace that a kind of coil pipe is drawable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205784800U true CN205784800U (en) | 2016-12-07 |
Family
ID=58130362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620635692.1U Active CN205784800U (en) | 2016-06-24 | 2016-06-24 | The heating furnace that a kind of coil pipe is drawable |
Country Status (1)
| Country | Link |
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| CN (1) | CN205784800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953630A (en) * | 2016-06-24 | 2016-09-21 | 茂名重力石化机械制造有限公司 | Heating furnace with coil pipes capable of being pulled away |
-
2016
- 2016-06-24 CN CN201620635692.1U patent/CN205784800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953630A (en) * | 2016-06-24 | 2016-09-21 | 茂名重力石化机械制造有限公司 | Heating furnace with coil pipes capable of being pulled away |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |