CN104296517B - The electrical heating furnace drying method of Assembling reactor, regenerator end socket lining - Google Patents
The electrical heating furnace drying method of Assembling reactor, regenerator end socket lining Download PDFInfo
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- CN104296517B CN104296517B CN201410399947.4A CN201410399947A CN104296517B CN 104296517 B CN104296517 B CN 104296517B CN 201410399947 A CN201410399947 A CN 201410399947A CN 104296517 B CN104296517 B CN 104296517B
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Abstract
The present invention relates to the electrical heating furnace drying method of a kind of Assembling reactor, regenerator end socket lining.The end socket lining of the medium-and-large-sized field make-up equipment of chemical plant installations is dried in cannot constructing in the winter time and is reached designing requirement.The present invention carries out following flow process and carries out oven dry operation: end socket puts → test block puts → internal stent arranges → and the outside and port insulation → measuring and controlling temp setting → electric power system setting → system connection debugging → oven dry → test block censorship of inner electric heating settings → end socket, " electrothermal way " is adopted to carry out lining oven dry, end socket after lining is carried out after external insulation as an airtight burner hearth, electric heater is adopted to heat in end socket inside, realize the homogeneous heating to end socket entirety, thus reach the object of lining oven dry.The present invention by region and the restriction in season, does not carry out lining construction, and effectively baked liner can reach designing requirement, also reduce construction cost while meeting construction period under the condition that environment temperature does not possess.
Description
Technical field
The invention belongs to technical field of petrochemical industry, be specifically related to the electrical heating furnace drying method of a kind of Assembling reactor, regenerator end socket lining.
Background technology
Shaanxi extends oil derived energy chemical project 1,500,000 tons/year of catalytic pyrolysis (DCC) ethylene units processed of pacifying the border region and is located in Shaanxi Jingbian, because the duration needs, medium-and-large-sized field make-up equipment (the reactor of device, regenerator) end socket lining need construct in the winter time, and oven dry reaches designing requirement and (Natural Water in lining and crystallization moisture content is removed, namely Natural Water removes 110 DEG C time, the crystallization water removes 350 DEG C time, lining material is slowly sintered, meet Bound moisture at standard-required less than 2.5%, prevent when violent intensification because moisture content vaporized expanding causes lining crackle, bulge, come off and affect equipment life, guarantee that the lining of winter construction can be passed the winter safely).With the operating mode that above-mentioned Project case is similar, the oven dry of reactor, regenerator end socket lining becomes technical problem urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide the electrical heating furnace drying method of a kind of Assembling reactor, regenerator end socket lining, make the oven dry of winter construction reach designing requirement.
The technical solution adopted in the present invention is:
The electrical heating furnace drying method of Assembling reactor, regenerator end socket lining, is characterized in that:
Realized by following steps:
Step one: end socket is put:
End socket horizontal pendulum is put on bearing, before putting, insulation material is placed by bearing, and insulation material adopts alkali-free glass cocoon-fibre quilt, thick 100mm;
Step 2: internal stent is arranged:
Set up support in end socket inside, put and fixed heater in order to level, the little block plate pad of support, the upper and lower place mat heat-preservation cotton of steel plate;
The support that regenerator end socket inside is set up divides three layers, and the support that reactor end socket inside is set up divides two-layer; Bottom is apart from bottom 0.5m, and each interlayer is every 0.5m;
Support adopts angle steel, steel pipe is set up and formed, and is made up of octagon housing and inner derrick;
Step 3: inner electric heating is arranged:
Heater level is laid on the support of end socket inside, and heater selection, quantity and distribution are as follows:
Step 4: end socket outside and port insulation:
Adopt insulation material to be incubated the end socket outside that need dry, the ambient temperature of end socket outside reaches 40-60 DEG C; Insulation material adopts alkali-free glass cocoon-fibre quilt, and thick 100mm, utilizes iron wire to fix;
Port band steel is welded into derrick, makes band steel arrange at device external distinguish from top to bottom, utilizes stainless (steel) wire hook thereon and tie up iron wire insulation material is firmly secured to device external;
Step 5: measuring and controlling temp is arranged:
Temperature controlling instruments adopts HT-2C heat treatment Intelligent temperature controller, and quantity is laid quantity according to heater and determines, and often overlaps controlled 12 heaters of temperature controlling instruments, draws the tricks of temperature controlling instruments according to the group number of reality laying heater;
Adopt K type thermocouple and K type compensating wire, welded by butt tube, form support, be parallel to end socket inner surface annular fixing; Point for measuring temperature arrangement pitch is within horizontal loops is to 4.5 meters, and the superiors are apart from lining top 200mm, and orlop is apart from liner base 200mm, and distance is 1-2 rice between the upper and lower, and servant hole site lining inside is arranged symmetrically with two points for measuring temperature;
Step 6: electric power system is arranged:
One time cable adopts YC3*95+1*35 Plastic-sheathed Cable, the long 100m of every root; Secondary cable adopts YC3*35+1*16 Plastic-sheathed Cable, the long 100m of every root;
A cable is connected to the primary side of the PGL-21 switch board of inside, control room through KG-1 switch board, secondary cable is connected on device interior heater leads by the secondary side of PGL-21 switch board;
25*4 band steel is adopted to connect between heater; 40*4 band steel is adopted to be connected between heater with backbone;
Heater adopts Y0 connection;
Step 7: dry:
To external insulation, internal stent is arranged, inner electric heating arranges and temperature control temp measuring system is debugged, and debugs complete, and start temperature regulating device and start heating, dry equipment, bake out temperature controls as follows:
Arrange four steam vents on port top in drying course, be beneficial to moisture evaporation, steam vent diameter is 400mm, is evenly distributed on port.
In drying course, outside end socket, roof insulating is set.
The present invention has the following advantages:
1, practical, not by region and the restriction in season, also not by the impact of environmental condition, use electric energy, sanitation and hygiene, economic environmental protection.
2, construction cost is reduced, the reduction of erection time.Traditional lining construction suitable season can only carry out lining construction by equitemperature, and then carry out construction of setting off by contrast, can only delay to postpone under the condition that execution conditions do not possess, this adds construction period undoubtedly, and lining electrical heating method is dried not by the impact of these factors, under the condition that environment temperature does not possess, carry out lining construction, and effectively baked liner can reach designing requirement, while meeting construction period, also reduce construction cost.
Accompanying drawing explanation
Fig. 1 is that schematic diagram arranged by heater.
Fig. 2 is point for measuring temperature distribution schematic diagram in end socket.
Fig. 3 is electric on line figure.
Fig. 4 is port insulation construction figure.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be described in detail.
The electrical heating furnace drying method of Assembling reactor involved in the present invention, regenerator end socket lining, " electrothermal way " is adopted to carry out lining oven dry, its principle be using lining after end socket carry out after external insulation as an airtight burner hearth, electric heater is adopted to heat in end socket inside, realize the homogeneous heating to end socket entirety, thus reach the object of lining oven dry.The end socket major parameter of drying construction sees the following form:
Specifically realized by following steps:
Step one: end socket is put:
End socket horizontal pendulum is put on bearing, before putting, insulation material is placed by bearing;
Step 2: internal stent is arranged:
Set up support in end socket inside, put and fixed heater in order to level, the little block plate pad of support, the upper and lower place mat heat-preservation cotton of steel plate;
The support that regenerator end socket inside is set up divides three layers, and the support that reactor end socket inside is set up divides two-layer; Bottom is apart from bottom 0.5m, and each interlayer is every 0.5m;
Support adopts angle steel, steel pipe is set up and formed, and is made up of octagon housing and inner derrick;
Step 3: inner electric heating is arranged:
Be calculated as follows according to " simple and clear calculation on Construction handbook ":
Heater level is laid on the support of end socket inside, and heater selection, quantity and distribution are as follows:
Step 4: end socket outside and port insulation:
Adopt insulation material to be incubated the end socket outside that need dry, the ambient temperature of end socket outside reaches 40-60 DEG C; Insulation material adopts alkali-free glass cocoon-fibre quilt, and thick 100mm, utilizes iron wire to fix;
Port band steel is welded into derrick, makes band steel arrange at device external distinguish from top to bottom, utilizes stainless (steel) wire thereon, insulation material is firmly secured to device external by iron wire;
Step 5: measuring and controlling temp is arranged:
Temperature controlling instruments adopts HT-2C heat treatment Intelligent temperature controller, quantity is laid quantity according to heater and determines, often overlap controlled 12 heaters of temperature controlling instruments, draw the tricks of temperature controlling instruments according to the group number of reality laying heater, measuring and controlling temp material installation is equipped with and sees the following form:
(K type thermocouple wire diameter is generally 1.2-4.0mm to adopt K type thermocouple.The nominal chemical composition of positive pole (KP) is: Ni:Cr=92:12, and the nominal chemical composition of negative pole (KN) is: Ni:Si=99:3, and its serviceability temperature is-200-1300 DEG C.) and K type compensating wire (100 meters/root), welded by butt tube, form support, be parallel to end socket inner surface annular fixing; Point for measuring temperature arrangement pitch is within horizontal loops is to 4.5 meters, and the superiors are apart from lining top 200mm, and orlop is apart from liner base 200mm, and distance is 1-2 rice between the upper and lower, and servant hole site lining inside is arranged symmetrically with two points for measuring temperature;
Step 6: electric power system is arranged:
One time cable adopts YC3*95+1*35 Plastic-sheathed Cable, the long 100m of every root; Secondary cable adopts YC3*35+1*16 Plastic-sheathed Cable, the long 100m of every root;
A cable is connected to the primary side of the PGL-21 switch board of inside, control room through KG-1 switch board, secondary cable is connected on device interior heater leads by the secondary side of PGL-21 switch board;
25*4 band steel is adopted to connect between heater; 40*4 band steel is adopted to be connected between heater with backbone;
Heater adopts Y0 connection;
Step 7: dry:
To external insulation, internal stent is arranged, inner electric heating arranges and temperature control temp measuring system is debugged, and debugs complete, and start temperature regulating device and start heating, dry equipment, bake out temperature controls as follows:
Arrange four steam vents on port top in drying course, be beneficial to moisture evaporation, steam vent diameter is 400mm, is evenly distributed on port.
In drying course, outside end socket, roof insulating is set.
Dries quantity standard:
Bottom end socket, place the test block of equal conditions, after end to be dried, test to test block, test stone should meet BCEQ-9307/9308 related request.(DL5190.2-2012 electric power construction technical specification part 2: the residual water content that boiler controller system requires is not more than 2.5%, and to be considered as baker qualified, and meet B01, C03, DO2 material, the corresponding volume density range of 110 degree of oven dry after 24 hours; After oven dry, the surface of lining concrete should be smooth, without bulge or loose phenomenon; Liner surface is without obvious shrinkage crackle, and its surface crack width should not be greater than 3mm, and the penetrating crack that do not have.）
Through refractory quality supervision and inspection station, Shaanxi Province to its construction test block inspection, report data is as follows:
Above-mentioned Data Comparison can find, several groups of test blocks dry rear moisture content between 0.9-2.3%, and meet the standard-required of Bound moisture below 2.5% of designing requirement, the application of this technology is feasible.
Dry the preparation of construction of operation:
(1) 500KVA construction power supply is needed, within 100 meters, distance construction place.
(2) take the measures such as rainproof, snow defence, heat radiation, fire prevention, ensure that drying construction normally carries out, and does not affect by extraneous factor.
(3) the head members last process need dried has been constructed end all, and lining maintenance is more than 48h, and compression strength meets designing requirement, possesses drying condition.
(4) end socket is put in place, and opening up and take the measures such as support that end socket is fixedly secured.
(5) end socket earthing pole is disposed.
(6) cable layings are complete, and electrical power control cabinet wiring is complete, secondary cable through short circuit and testing for continuity qualified.
(7) electric heater and temperature controlling instruments are good all on inspection, meet instructions for use.
(8) thermocouple, compensating wire and temperature measuring equipment through calibration and within effective period.
Content of the present invention is not limited to cited by embodiment, and the conversion of those of ordinary skill in the art by reading description of the present invention to any equivalence that technical solution of the present invention is taked, is claim of the present invention and contains.
Claims (3)
1. the electrical heating furnace drying method of Assembling reactor, regenerator end socket lining, is characterized in that:
Realized by following steps:
Step one: end socket is put:
End socket horizontal pendulum is put on bearing, before putting, insulation material is placed by bearing, and insulation material adopts alkali-free glass cocoon-fibre quilt, thick 100mm;
Step 2: internal stent is arranged:
Set up support in end socket inside, put and fixed heater in order to level, the little block plate pad of support, the upper and lower place mat heat-preservation cotton of steel plate;
The support that regenerator end socket inside is set up divides three layers, and the support that reactor end socket inside is set up divides two-layer; Bottom is apart from bottom 0.5m, and each interlayer is every 0.5m;
Support adopts angle steel, steel pipe is set up and formed, and is made up of octagon housing and inner derrick;
Step 3: inner electric heating is arranged:
Heater level is laid on the support of end socket inside, and heater selection, quantity and distribution are as follows:
Step 4: end socket outside and port insulation:
Adopt insulation material to be incubated the end socket outside that need dry, the ambient temperature of end socket outside reaches 40-60 DEG C; Insulation material adopts alkali-free glass cocoon-fibre quilt, and thick 100mm, utilizes iron wire to fix;
Port band steel is welded into derrick, makes band steel arrange at device external distinguish from top to bottom, utilizes stainless (steel) wire hook thereon and tie up iron wire insulation material is firmly secured to device external;
Step 5: measuring and controlling temp is arranged:
Temperature controlling instruments adopts HT-2C heat treatment Intelligent temperature controller, and quantity is laid quantity according to heater and determines, and often overlaps controlled 12 heaters of temperature controlling instruments, draws the tricks of temperature controlling instruments according to the group number of reality laying heater;
Adopt K type thermocouple and K type compensating wire, welded by butt tube, form support, be parallel to end socket inner surface annular fixing; Point for measuring temperature arrangement pitch is within horizontal loops is to 4.5 meters, and the superiors are apart from lining top 200mm, and orlop is apart from liner base 200mm, and distance is 1-2 rice between the upper and lower, and servant hole site lining inside is arranged symmetrically with two points for measuring temperature;
Step 6: electric power system is arranged:
One time cable adopts YC3*95+1*35 Plastic-sheathed Cable, the long 100m of every root; Secondary cable adopts YC3*35+1*16 Plastic-sheathed Cable, the long 100m of every root;
A cable is connected to the primary side of the PGL-21 switch board of inside, control room through KG-1 switch board, secondary cable is connected on device interior heater leads by the secondary side of PGL-21 switch board;
25*4 band steel is adopted to connect between heater; 40*4 band steel is adopted to be connected between heater with backbone;
Heater adopts Y0 connection;
Step 7: dry:
To external insulation, internal stent is arranged, inner electric heating arranges and temperature control temp measuring system is debugged, and debugs complete, and start temperature regulating device and start heating, dry equipment, bake out temperature controls as follows:
。
2. the electrical heating furnace drying method of Assembling reactor according to claim 1, regenerator end socket lining, is characterized in that:
Arrange four steam vents on port top in drying course, be beneficial to moisture evaporation, steam vent diameter is 400mm, is evenly distributed on port.
3. the electrical heating furnace drying method of Assembling reactor according to claim 2, regenerator end socket lining, is characterized in that:
In drying course, outside end socket, roof insulating is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399947.4A CN104296517B (en) | 2014-08-14 | 2014-08-14 | The electrical heating furnace drying method of Assembling reactor, regenerator end socket lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410399947.4A CN104296517B (en) | 2014-08-14 | 2014-08-14 | The electrical heating furnace drying method of Assembling reactor, regenerator end socket lining |
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| Publication Number | Publication Date |
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| CN104296517A CN104296517A (en) | 2015-01-21 |
| CN104296517B true CN104296517B (en) | 2016-03-09 |
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| CN109939630B (en) * | 2019-04-26 | 2024-04-30 | 茂名重力石化装备股份公司 | Modularized covering structure and reactor with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231136A (en) * | 2007-11-27 | 2008-07-30 | 河南黄河实业集团股份有限公司 | Electro-heat vacuum drier |
| CN101285646A (en) * | 2008-04-11 | 2008-10-15 | 东莞市盈力涂装设备有限公司 | Solar energy baking finish drying method and its drying apparatus |
| CN101338969A (en) * | 2008-08-08 | 2009-01-07 | 昆明云海印铁制盖有限公司 | Screwing cap drying room and its screwing cap heating and baking method |
| FI20090019A (en) * | 2009-01-21 | 2010-07-22 | Reino Pendikainen | Enhanced wood drying |
| CN102072635A (en) * | 2010-12-29 | 2011-05-25 | 徐州腾宇羽绒制品设备有限公司 | Circulation-free automatic heat-conducting oil heating device of down drying machine |
-
2014
- 2014-08-14 CN CN201410399947.4A patent/CN104296517B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231136A (en) * | 2007-11-27 | 2008-07-30 | 河南黄河实业集团股份有限公司 | Electro-heat vacuum drier |
| CN101285646A (en) * | 2008-04-11 | 2008-10-15 | 东莞市盈力涂装设备有限公司 | Solar energy baking finish drying method and its drying apparatus |
| CN101338969A (en) * | 2008-08-08 | 2009-01-07 | 昆明云海印铁制盖有限公司 | Screwing cap drying room and its screwing cap heating and baking method |
| FI20090019A (en) * | 2009-01-21 | 2010-07-22 | Reino Pendikainen | Enhanced wood drying |
| CN102072635A (en) * | 2010-12-29 | 2011-05-25 | 徐州腾宇羽绒制品设备有限公司 | Circulation-free automatic heat-conducting oil heating device of down drying machine |
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| CN104296517A (en) | 2015-01-21 |
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