CN206177007U - Cracking furnace tube normal position coating processing heat treatment furnace - Google Patents
Cracking furnace tube normal position coating processing heat treatment furnace Download PDFInfo
- Publication number
- CN206177007U CN206177007U CN201621261248.4U CN201621261248U CN206177007U CN 206177007 U CN206177007 U CN 206177007U CN 201621261248 U CN201621261248 U CN 201621261248U CN 206177007 U CN206177007 U CN 206177007U
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- Prior art keywords
- wallboard
- heat treatment
- portal frame
- underframe
- cracking furnace
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- 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.)
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Abstract
The utility model discloses mainly be applied to boiler tube heating technology field, in particular to cracking furnace tube normal position coating processing heat treatment furnace, include by the chassis, wallboard and top apron form the furnace chamber, it has the portal frame to distribute in the furnace chamber, the portal frame is installed on the chassis, there is two -layer crossbeam on the portal frame, be equipped with electrical heating piece in bottom between the adjacent portal frame, electrical heating piece in bottom is fixed on the chassis, the periphery of chassis is the wallboard, the top of wallboard sets up the top apron, it is preceding, it has the kiln eye to distribute respectively on back both sides wallboard and the top apron, a left side, the wallboard at right side both ends is equipped with personnel's exit and the export of technology pipe respectively, it is preceding, the thermocouple has been arranged respectively to back both sides wallboard inboard, electric wire conduit and lateral part electrical heating piece. The utility model discloses the thermal treatment who can be used to pressure vessel. Through adding the baffle and the form such as increasing, can carry out thermal treatment to the different equipment of the different specifications of length. It is can a stove multi -purpose.
Description
Technical field
This utility model is related to a kind of cracking furnace pipe in-situ TEM processing and heat treatment stove, is mainly used in boiler tube heating technique
Field.
Background technology
Cracking furnace pipe in-situ TEM process technology is the patented technology for working out of Beijing Chemical Research Institute.Its coating ingredients
From boiler tube matrix itself, coating is firmly combined with and with excellent anti-coking and anti-carburizing energy, in-situ TEM energy with matrix
The coking of enough ethene suppressing device cracking furnace pipes, the effective production time of extension fixture, reducing energy consumption, the use longevity of increase boiler tube
Life, improves the economic benefit of ethylene unit.Sinopec Yanshan Mountain branch company BA1102 pyrolysis furnace applications Beijing Chemical Research Institute is in situ
Coating suppresses after coking technology, and continuous operation reaches 207 days, greatly exceed the pyrolysis furnace universal cycle of operation of 50~100 days,
Achieve preferable Industrial Operation.
Cracking furnace pipe in-situ TEM technology is arranged it is crucial that carry out heat treatment to boiler tube according to the actual size of boiler tube
Heat-treatment furnace.Cracking furnace pipe in-situ TEM processing and heat treatment stove technical requirements：1. operating temperature：950℃；2. programming rate：≤
100 DEG C/h, cooling rate：≤150℃/h；3. temperature uniformity：During the inside holding of effective heating area≤± 15 DEG C；4. temperature control is smart
Degree：≤±5℃；5. body of heater surface temperature rise：≤80℃；6. total heat treatment time：About 45 hours.
In-situ TEM process technology is implemented first by Beijing swallow Chinese workers' journey Construction Company Limited, and the frame of its design adds
Hot stove is simpler, and a place is arranged in Factory Building, and according to the specification of boiler tube interim heating furnace is made, and specification is width
1.5m, high 0.8m, are about 14m, and cavity wall laying heat-preservation cotton is paved with insulating brick in furnace bottom heat-preservation cotton, is arranged in furnace bottom and both sides
Infrared electric heating block.Insulation material adopts three layers of aluminium silicate needle punched blanket insulation quilt, insulation to be fixed in frame wall, welds on wallboard
Bar for line is connect, each layer insulation is coated over after cavity wall and is compacted with steel plate, and steel plate is welded on bar for line.
The heating furnace of Beijing swallow Chinese workers' journey Construction Company Limited design is by following problem：
1st, heat-treatment furnace is disposable interim setting, is removed after heat treatment is complete, and when processing again repeated construction is needed.
2nd, due to being to arrange temporarily, heat insulation effect is poor.Top heat-preservation cotton has the risk for staying.Heat up and cooling rate is difficult
Strictly to control.
3rd, interim connection is needed between pipe and pipe, needs to cut off after heat treatment to polish again, wasted time and energy.
4th, the boiler tube negligible amounts of single treatment.Effect is low.
In order to improve effect, need boiler tube concrete condition to be processed, Jing to study discussion in many ways with reference to us, redesign
Cracking furnace pipe in-situ TEM processing and heat treatment stove.
Utility model content
The technical problems to be solved in the utility model is：There is provided one kind can process two groups of boiler tubes, maximum limit with single treatment
Degree utilizes furnace space, improves the cracking furnace pipe in-situ TEM processing and heat treatment stove of heat treatment efficiency.
Cracking furnace pipe in-situ TEM processing and heat treatment stove described in the utility model, including by underframe, wallboard and top cover
Plate shape is distributed with portal frame into furnace chamber, in furnace chamber, and portal frame is arranged on underframe, there is two-layer crossbeam, adjacent gantry on portal frame
Bottom electric heating sheets are provided between frame, bottom electric heating sheets are fixed on underframe, the periphery of underframe is wallboard, is set at the top of wallboard
Top blind flange is put, peephole is distributed with front and rear sides wallboard and top blind flange respectively, the wallboard at left and right two ends is respectively equipped with
Personnel import and export and process duct outlet, and front and rear sides wallboard inner side is respectively disposed with thermocouple, cable conduct and sidepiece electrical heating
Piece.
Described underframe is assembled into by H profile steel, and gantry pillar is welded in respectively in the H profile steel of bottom.
Described top blind flange is set to split type, and end at engaging with wallboard arranges and hangs in split type top blind flange
Dress supporting leg, top blind flange medial surface arranges heat-insulation layer.
Described sidepiece electric heating sheets bottom arranges refractory brick.
It is fluffy that described front and rear sides wallboard outer lower portion arranges rain-proof protection against electric shock.
Wherein one end arranges handrail in the wallboard at described left and right two ends.
Described furnace chamber inside arranges insulating lining, and underframe liner thickness is 314mm；Furnace roof and surrounding wallboard liner thickness
It is 250mm.
Heating furnace body design is overall to be considered：Divide several parts such as underframe, wallboard, top blind flange and affiliated facility, it is internal empty
Between dead size be 17550mm × 2500mm × 1500mm (length × width × height), meet cracking furnace pipe in-situ TEM processing request.Plus
Hot stove takes into account pressure vessel heat treatment requirements when designing, inside may be partitioned into 4 meters, the different long spaces such as 10 meters, and top can add
High 1.2 meters of pipe nipple, to meet the pressure vessel heat treatment of different size.Maximum can process 2.4 meters or so 17 meters long of diameter
Pressure vessel.
To consider that boiler tube supports the arrangement with heating plate during heating furnace bottom design.11 gantry supports are adopted for this bottom
Boiler tube is supported, because longer in high-temperature time, gantry support is using resistant to elevated temperatures waste and old boiler tube making.Cloth bottom set between gantry support
Portion's heating plate.For once can two groups of boiler tubes be carried out with heat treatment, gantry support is designed as two-layer, and lower beam is solid with column welding
Fixed, upper beam is with column using the removable version of activity.
Heating furnace top design is two parts of almost symmetry, and for ease of lifting and positioning, each section is designed with 5 and hangs
Dress supporting leg, lifting supporting leg is locating piece and supporting leg.Because of outdoor placement, waterproof design need to be carried out.Top design is have constant slope
Ridge structure.Top blind flange is arranged as required to 6 peepholes.
Two sides respectively arrange 6 peepholes before and after heating furnace wallboard, and in front and back two sides peephole is staggeredly arranged up and down.Thermoelectricity
Even, cable conduct is arranged symmetrically in wallboard two sides, and below the sleeve pipe of two sides cable testing bridge is arranged symmetrically.The left and right two ends of stove
Face sets personnel's manhole appendix, processing medium pipeline and imports and exports.Ladder landing platform is set in the middle and upper part of stove, in order to inspection operation.
Heating furnace insulating lining form：Bottom of furnace body lining structure is 50mm lightening casting materials, the fine mould of 150mm high aluminas pottery
The low ferrum light fire brick of block, 114mm high aluminas, liner thickness is 314mm；Furnace roof and surrounding wallboard lining structure are 100mm lightweights
Castable, 150mm high aluminas pottery fiber module, liner thickness is 250mm.
Electric heating sheets arrangement form：The each 32 10KV electric heating sheets of arrangement in two sides and bottom before and after heating furnace, altogether 96
Piece, disclosure satisfy that heat treatment requirements, and bottom-heated piece is lain against between portal frame, in front and back the heating plate upper suspension of two sides in
The steel pipe being welded on wallboard, bottom pad refractory brick is supported, to ensure high temperature under heating plate support it is indeformable.
The beneficial effects of the utility model are：
By to the olefin plant pyrolysis furnace BA-102 boiler tube in-situ TEM processing and heat treatment applications of sinopec asphalt in Shenli Refinery, plus
Hot stove has effect used below：
1st, disclosure satisfy that the requirement of Technology for Heating Processing.The control of uniformity, body of heater wall temperature for in-furnace temperature can expire
Foot is required.Technology for Heating Processing requires to be incubated 20 hours at 950 °, and stove inner support is basically unchanged shape, and boiler tube deflection meets the requirements.
2nd, heat treatment time is shortened, improves labor efficiency.One group of boiler tube of heat treatment takes around 5 day time, once
2 groups of boiler tubes can be processed, one times of effect is improved.
3rd, resource is made full use of, reduces waste.Technology for Heating Processing is required, in heating process, is needed continual
Logical hydrogen, two groups of boiler tubes of single treatment in pipe, save the nearly half of amounts of hydrogen, while decreasing the waste of electric energy.
4th, can be used for the heat treatment of pressure vessel.By adding dividing plate and adding high form, can be to length different size not
Same equipment carries out heat treatment.Can be with multi-use.
Description of the drawings
Fig. 1 is the overlooking the structure diagram for removing furnace chamber after top blind flange in this utility model.
Fig. 2 is the planar structure schematic diagram of top blind flange in this utility model.
Fig. 3 is the structural representation of furnace chamber cross section in Fig. 1.
Fig. 4 is the end view drawing of top blind flange in this utility model.
Fig. 5 is the schematic diagram of return panels in this utility model.
Fig. 6 is the schematic diagram of left end wallboard in this utility model.
In figure：1st, portal frame；2nd, underframe；3rd, top blind flange；4th, peephole；5th, upper beam；6th, wallboard；7th, lower lateral
Beam；8th, column；9th, supporting leg is lifted；10th, wallboard lining；11st, handrail；12nd, rain-proof protection against electric shock is fluffy.
Specific embodiment
This utility model is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1~Fig. 6, cracking furnace pipe in-situ TEM processing and heat treatment stove described in the utility model, including the bottom of by
Frame 2, wallboard 6 and top blind flange 3 form furnace chamber, and portal frame 1 is distributed with furnace chamber, and portal frame 1 is arranged on underframe 2, portal frame 1
On have two-layer crossbeam, respectively upper beam 5 and lower beam 7, upper beam 5 and lower beam 7 are installed on column 8,
Column 8 is fixed on underframe 2, and bottom electric heating sheets are provided between adjacent portal frame 1, and bottom electric heating sheets are fixed on underframe 2,
The periphery of underframe 2 is wallboard 6, and the top of wallboard 6 arranges top blind flange 3, divides respectively in front and rear sides wallboard 6 and top blind flange 3
Peephole 4 is furnished with, the wallboard 6 at left and right two ends is respectively equipped with personnel and imports and exports and process duct outlet, the inner side of front and rear sides wallboard 6
It is respectively disposed with thermocouple, cable conduct and sidepiece electric heating sheets.Underframe 2 is assembled into by H profile steel, and gantry pillar 8 is welded respectively
In the H profile steel of bottom.Top blind flange 3 is set to split type end in split type top blind flange 3 at engaging with wallboard 6
Lifting supporting leg 9 is set, and the medial surface of top blind flange 3 arranges heat-insulation layer.Sidepiece electric heating sheets bottom arranges refractory brick.Front and rear sides
Wallboard outer lower portion arranges rain-proof protection against electric shock fluffy 12.Wherein one end arranges handrail 11 in the wallboard at left and right two ends.Set inside furnace chamber
Insulating lining is put, the liner thickness of underframe 2 is 314mm；Roof lining and the thickness of surrounding wallboard lining 10 are 250mm.
(1) heating furnace number of assembling steps：
1st, under(-)chassiss are assembled into by H profile steel, gantry support column 8 is welded in respectively on the H profile steel crossbeam of bottom.
2nd, by H profile steel, channel-section steel group to wallboard framework.
3rd, by H profile steel, channel-section steel group to top frame, top point two parts.For ease of positioning lifting, each section contains 5
Individual locating piece and supporting leg, can be placed directly in ground and not damage heat-insulation layer.
4th, from the inside the steel plate after 6mm is welded in laying after the completion of framework.
5th, in front and back two side wall panels and top blind flange 3 open up peephole 4.The thermocouple of two side wall panels welding in front and back, cable conduct,
Left and right sides wallboard opens up personnel and imports and exports and process duct outlet.
6th, bar for line is internally welded on steel plate, refractory insulating layer construction is carried out afterwards.
7th, electric heating sheets arrangement is arranged：32 10KV electric heating sheets are respectively arranged in two sides and bottom before and after heating furnace, altogether
96, bottom-heated piece is lain against between portal frame 1, and in front and back the heating plate upper suspension of two sides is in the steel being welded on wallboard
Pipe, bottom pad refractory brick supported, to ensure high temperature under heating plate support it is indeformable.
8th, exterior ladder platform and rain-proof facility are welded.
(2) heating furnace using method：
1st, after boiler tube arrival, internal washing is first carried out, after passed examination, lifts gantry that first group of boiler tube is placed in stove
In frame lower beam 7, adjustment furnace pipe elbow and the outlet mouth of pipe are to correct position.
2nd, after first group of furnace tube inspection is qualified, gantry support upper beam 5 is installed, then lifts second group of boiler tube, be placed on dragon
On door frame upper beam 5.
3rd, two groups of coil outlets are connected by interim pipeline and external process pipeline welding.Face of weld need to carry out lossless
Detection is qualified.
4th, check heating furnace in electric utility, it is qualified after, top blind flange 3 is lifted into capping.
5th, block outside peephole 4 and personnel import and export.
6th, external electrical facility is checked, it is qualified rear by technological requirement electrified regulation.
7th, after the completion of the technical process such as electrified regulation preserving temperature and reducing temperature, top blind flange 3 is sling and is put on the ground, lifted successively
Two groups of boiler tubes, complete a heat treatment process.
Claims (7)
1. a kind of cracking furnace pipe in-situ TEM processing and heat treatment stove, it is characterised in that：Including by underframe (2), wallboard (6) and top
Cover plate (3) forms furnace chamber, and portal frame (1) is distributed with furnace chamber, and on underframe (2), portal frame has portal frame (1) on (1)
Two-layer crossbeam, is provided with bottom electric heating sheets between adjacent portal frame (1), bottom electric heating sheets are fixed on underframe (2), underframe
(2) periphery is wallboard (6), and the top of wallboard (6) arranges top blind flange (3), front and rear sides wallboard (6) and top blind flange (3)
Upper that peephole (4) is distributed with respectively, the wallboard (6) at left and right two ends is respectively equipped with personnel and imports and exports and process duct outlet, forward and backward
Two side wall panels inner side is respectively disposed with thermocouple, cable conduct and sidepiece electric heating sheets.
2. cracking furnace pipe in-situ TEM processing and heat treatment stove according to claim 1, it is characterised in that：Underframe (2) is by H types
Steel is assembled into, and gantry pillar (8) is welded in respectively in the H profile steel of bottom.
3. cracking furnace pipe in-situ TEM processing and heat treatment stove according to claim 1, it is characterised in that：Top blind flange (3)
It is set to split type end setting lifting supporting leg (9) on split type top blind flange (3) at engaging with wallboard (6), top cover
Plate (3) medial surface arranges heat-insulation layer.
4. cracking furnace pipe in-situ TEM processing and heat treatment stove according to claim 1, it is characterised in that：Sidepiece electric heating sheets
Bottom arranges refractory brick.
5. cracking furnace pipe in-situ TEM processing and heat treatment stove according to claim 1, it is characterised in that：Front and rear sides wall
It is fluffy (12) that plate outer lower portion arranges rain-proof protection against electric shock.
6. cracking furnace pipe in-situ TEM processing and heat treatment stove according to claim 1, it is characterised in that：Left and right two ends
Wherein one end arranges handrail (11) in wallboard.
7. cracking furnace pipe in-situ TEM processing and heat treatment stove according to claim 1, it is characterised in that：Furnace chamber inside is arranged
Insulating lining, underframe liner thickness is 314mm；Furnace roof and surrounding wallboard lining (10) thickness are 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261248.4U CN206177007U (en) | 2016-11-22 | 2016-11-22 | Cracking furnace tube normal position coating processing heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261248.4U CN206177007U (en) | 2016-11-22 | 2016-11-22 | Cracking furnace tube normal position coating processing heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177007U true CN206177007U (en) | 2017-05-17 |
Family
ID=58686068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621261248.4U Withdrawn - After Issue CN206177007U (en) | 2016-11-22 | 2016-11-22 | Cracking furnace tube normal position coating processing heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403599A (en) * | 2016-11-22 | 2017-02-15 | 山东齐鲁石化建设有限公司 | Cracking furnace pipe in-situ coating treatment heat treatment furnace |
-
2016
- 2016-11-22 CN CN201621261248.4U patent/CN206177007U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403599A (en) * | 2016-11-22 | 2017-02-15 | 山东齐鲁石化建设有限公司 | Cracking furnace pipe in-situ coating treatment heat treatment furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180214 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Beijing Chemical Industry Research Institute, Sinopec Patentee after: Sinopec Corp. Co-patentee after: Shandong Qilu Petrochemical Construction Co., Ltd. Address before: 255411 ethylene South Road, Linzi District, Zibo, Shandong Province, No. 12 Patentee before: Shandong Qilu Petrochemical Construction Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20190118 |