CN102389758A

CN102389758A - New glass-lined reactor and manufacturing method thereof

Info

Publication number: CN102389758A
Application number: CN2011102877090A
Authority: CN
Inventors: 朱文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-17
Filing date: 2011-09-26
Publication date: 2012-03-28
Anticipated expiration: 2031-09-26
Also published as: CN102389759B; CN102389759A; CN102389758B

Abstract

The invention relates to a new glass-lined reactor and a manufacturing method thereof which are used in the chemical and pharmaceutical industries and belong to the field of pressure vessels. The reactor is characterized in that new inner cylinder bodies and new outer jackets are welded into an integral structure; glass-lined protection glaze layers are coated and fired on the surfaces of butt welds on the inner cylinder bodies and the outer jackets; and the Supervision Regulation on Safety Technology for Pressure Vessel is comprehensively realized. The manufacturing method is characterized in that a precisely controlled inner heated electric furnace formed by intelligent temperature program controllers/regulators/recorders is adopted to implement staged controlled firing and an integral firing process with jackets; and full-automatic glaze slurry spraying equipment and an electrical heating and temperature controlling insulating cylinder are adopted for manufacturing. The reactor and the manufacturing method have the following advantages: the reactor initiates and lays a foundation for that the manufacturing technology standards of the glass-lined reactors in China all realize the Supervision Regulation on Safety Technology for Pressure Vessel and initiates and lays a foundation for datamation and automation of the core technology of controlled enamelling; the integral quality of the reactor is obviously superior to the current national standard; the reactor steps and is developed to innovate and be ahead of the conditions that the international outer heated electric furnace iron billets have no alternative to secondary forming during manufacturing and the core technology of controlled enamelling has the defect of uneven heating; and the integral quality of the reactor is superior to the international leading level, therefore the reactor has global market competitiveness.

Description

A kind of new glass-lined reactor and manufacturing approach thereof

Technical field

The present invention relates to a kind of chemical industry, pharmaceuticals industry with new glass-lined reactor and manufacturing approach thereof, belong to the pressure-vessel apparatus field that chemical industry, pharmaceuticals industry are used.

Background technology

Glass-lined reactor belongs to the consersion unit of one, two type of pressure-vessel.It can body is to be made up by interior stack shell (inwall overcoating enamel for glassed steel) and external jacket.Burning till of current domestic and international glass-lined reactor is the external-heat kiln all, comprises the whole post formings of external iron embryo manufacturing.Burn till the enamel for glassed steel layer of the interior stack shell inwall that has upper and lower T-Ring (external jacket transition structure part) earlier, welding assembly external jacket again, T-Ring place adds the single face butt girth welding seam of liner plate on it.China HG2432-2001 on January 24th, 2002 " glass-lined equipment technical conditions " regulation can exempt to do Non-Destructive Testing to this place's girth joint; Obviously be not meet the pressure-vessel manufacturing standard, cause the manufacturing " technical standard " of China's glass-lined reactor not approved by countries in the world.For this reason, the regulation of China GB25025-2010 on September 2nd, 2010 " glass-lined equipment technical conditions " will be done surperficial Non-Destructive Testing to this place's girth joint, does not still meet the pressure-vessel manufacturing standard.

In addition, glass-lined reactor is in external-heat electric furnace multiple high temp burns till, and by the bulk deformation of matrix distortion the causing big flange of equipment, the sealing property of direct correlation retort jar mouth causes jar internal reaction dielectric gas to leak, and relates to environmental protection and safety in production.The real difficulty of the big flange of equipment of the distortion that employing external-heat electric furnace burns till satisfies puts into practice the production demand, has to tighten excessively energetically clamp during use, causes the enamel for glassed steel layer on the big flange face to burst apart.The new regulation standard GB25025-2010 of country, the minimax diameter difference of vessel flange when DN≤1000mm ,≤6mm; When DN＞1000mm ,≤10mm.Flatness tolerance: when DN≤1000mm ,≤2mm; When DN＞1000mm ,≤2.5mm.Seal face >=the 15mm of vessel flange.Glass-lined reactor is pressed the increase of nominal volume, and by＞8KL-＞60KL, what its glass-lined coating pin hole was repaired number rises to 1-7.

Also have; To damaging the reparation of glass-lined reactor, palpus oxygen, acetylene torch cut off external jacket, treat that the enamel for glassed steel layer burns till after the assay was approved; Straight, the not crooked single face butt girth welding seam that adds liner plate of multiple again weldering is formed external jacket, and this operation does not more meet the reparation standard of pressure-vessel.

This shows that all application external-heat electric furnaces are fired, the iron embryo is made secondary forming process, even meet the pressure-vessel manufacturing standard comprehensively, the glass-lined reactor after the damage can not be repaired, and has to scrap.

Glass-lined reactor belongs to high value easily-consumed products, generally uses and just damages in 1～2 year.The whole nation has a large amount of value to reach several hundred million units every year, and the glass-lined reactor of rolled steel dosage up to several ten thousand tons scrapped because of damage.Because of not repairing, the steel loss is serious, the fund waste is big.

Therefore, develop and a kind ofly meet the pressure-vessel manufacturing standard comprehensively, and service time long back in case damage new glass-lined reactor and the manufacturing approach thereof that can further repair utilization again repeatedly, have very remarkable economic efficiency and social benefit.

Summary of the invention

The object of the invention provides a kind of new glass-lined reactor and manufacturing approach thereof, to overcome the deficiency of prior art.

New glass-lined reactor of the present invention meets pressure-vessel manufacturing standard (standards of two types of pressure vessel safety supervision rules) comprehensively, meets under the manufacturer's standard of pressure-vessel standard at the steel plate thickness of its can body comprehensively, also can repeatedly repair after the damage, utilize.New external jacket on the new glass-lined reactor can body of the present invention does not have upper and lower T-Ring; Its steel plate thickness thickens 2-10mm by the design standard of two types of glassed steel pressure vessels; Stack shell in new and integrally-built new external jacket are all supervised rules through after the assay was approved by two types of pressure vessel safeties; The two is welded as a whole becomes integrally-built can body, and between the closing in position of the big flange of equipment of can body and new external jacket, is provided with many groups and strengthens steel strength plates; Adopt the precise controlled internal heated electric furnace of intelligent temperature programme-control/adjusting/recorder phase composition that the enamel for glassed steel layer of whole can body is fired synchronously; Adopt full-automatic spraying glaze slip equipment that the inwall of stack shell in new is carried out the spraying of enamel for glassed steel layer; Adopt electrical heating temperature control heat-preservation cylinder that the retort that bakes is slowly cooled off, accomplish enamel firing technology.New glass-lined reactor of the present invention meets the pressure-vessel manufacturing standard comprehensively, controlled enamel firing " core technology " datumization, scientific, full-automatic, and its total quality significantly is superior to current national standard GB25025-2010 comprehensively, is superior to the leading level in the world.

New glass-lined reactor of the present invention; Comprise can body through being up to the standards; Said can body comprise through be up to the standards new in stack shell and new external jacket through being up to the standards; Said new interior stack shell comprises straight stack shell and the interior end socket spare that is connected straight stack shell, said new interior stack shell and the new integrally welded structure of external jacket, and be cavity between the two; The big flange of equipment that is provided with suitable for reading of said new interior stack shell; End opening is provided with the discharging opening flange; Blackening has the enamel for glassed steel layer on the inwall of said newly interior stack shell, and the butt joint straight weld on the said new interior stack shell outer wall is surperficial, upward the equal blackening in the surperficial and following butt girth welding seam of butt girth welding seam surface has enamel to protect the glaze layer; Said new external jacket comprise chuck body that band closes up with band that the chuck body is connected in the end socket spare that encircles, the butt joint straight weld surface on the said new external jacket inwall has enamel to protect the glaze layer with the equal blackening in butt girth welding seam surface; Said new external jacket, its steel plate thickness thickens 2-10mm by the design standard of two types of pressure vessels of enamel, and is welded into overall structure by band chuck body that closes up and the end socket spare of being with interior ring; Said many groups are strengthened steel strength plate and are located between the closing in position of the big flange of equipment and new external jacket, and are symmetrical Combination Welding along the circumference of the big flange of equipment and form.

Preferable, the steel plate thickness of said new external jacket thickens 2-6mm by the design standard of two types of glassed steel pressure vessels.

Preferable, said can body comprises that also many groups strengthen steel strength plates, and said many groups are strengthened steel strength plates and are located between the closing in position of the big flange of equipment and new external jacket, and is symmetrical Combination Welding along the circumference of the big flange of equipment and forms.

The design standard of said two types of glassed steel pressure vessels of the present invention is standard GB 25025-2010.

Preferable, the number of packages that said many groups are strengthened steel strength plate is a 8-16 spare.

Minimax diameter difference≤the 1mm of the big flange of said equipment (comprising DN≤1000 and DN＞1000), flatness tolerance≤1mm (comprising DN≤1000 and DN＞1000), seal face width>=35mm; The thickness of the enamel for glassed steel layer on the said new interior stack shell inwall is 0.8-1.3mm (thickness difference is 0.5mm); Said enamel for glassed steel layer is 0 according to the pinhole number of the standard detection of GB25025-2010.The above-mentioned quality (performance) of said new glass-lined reactor significantly is superior to national new regulation standard GB25025-2010, in the wherein national new regulation GB25025-2010 standard minimax diameter difference of vessel flange when DN≤1000mm ,≤6mm; When DN＞1000mm ,≤10mm.Flatness tolerance: when DN≤1000mm ,≤2mm; When DN＞1000mm ,≤2.5mm.Seal face width >=the 15mm of vessel flange.The thickness of the enamel for glassed steel layer in new on the stack shell inwall is 0.8-2.0mm (thickness difference is 1.2mm).Glass-lined reactor is pressed the increase of nominal volume, and by＞8KL-＞60KL, what its glass-lined coating pin hole was repaired number rises to 1-7.

The manufacturing approach of new glass-lined reactor of the present invention specifically comprises the steps:

1) the chuck body and the interior end socket spare that encircles of band that closes up is with in making respectively, and is welded into overall structure, obtains integrally-built new external jacket; Said new external jacket steel plate thickness thickens 2-10mm by the design standard of two types of pressure vessels of enamel;

2) make new in stack shell and on one's body butt joint straight weld of new inner core, go up butt girth welding seam and following butt girth welding seam carries out x-ray inspection by the standard of two types of pressure vessel safeties supervision rules, obtain to meet the new interior stack shell of two types of pressure vessel safeties supervision rules;

3) butt joint straight weld on the new external jacket and butt girth welding seam are carried out x-ray inspection by the standard of two types of pressure vessel safety supervision rules, obtain to meet the new external jacket of two types of pressure vessel safety supervision rules;

4) will through be up to the standards new on the outer wall of stack shell butt joint straight weld surface, go up the butt girth welding seam surface and following butt girth welding seam surfaces coated enamel is protected the glaze slip layer;

5) will protect the glaze slip layer with butt girth welding seam surfaces coated enamel through the surface of the butt joint straight weld on the inwall of the new external jacket that is up to the standards;

6) will scribble enamel protects the new interior stack shell of glaze slip layer and the new external jacket that scribbles enamel protection glaze slip layer to be welded into integrally-built can body; Fired back is detected by the hydraulic pressure standard of two types of pressure vessel safety supervision rules, obtains meeting the can body of two types of pressure vessel safety supervision rules;

7) strengthen steel strength plates (4) in the many groups of welding between closing in (3.12) position of the big flange of equipment (5) of the can body that is up to the standards and new external jacket, said many groups are strengthened steel strength plates (4) and are the symmetry combination along the circumference of the big flange of equipment (5) and arrange;

8) inwall to stack shell in new carries out the spraying of enamel glaze slip, obtains the can body of inner-wall spraying enamel for glassed steel layer;

9) adopt precise controlled internal heated electric furnace that the can body of inner-wall spraying enamel for glassed steel layer is fired, control consistent, the synchronous one of each position heating temperature when wherein firing and fire and fire overall process and carry out thermograph with intelligent temperature programme-control/adjustings/recorder;

10) with the can body of retort adopt said precise controlled internal heated electric furnace with intelligent temperature programme-control/adjustings/recorder to said can body repeatedly enamel firing repeatedly and all earlier the inwall of new interior stack shell is carried out the spraying of enamel for glassed steel layer before each enamel firing;

Slowly cooling in the electrical heating temperature control heat-preservation cylinder is gone in the back lifting of coming out of the stove of the can body of the new glass-lined reactor that 11) last is baked, and obtains said new glass-lined reactor.

Enamel protection glaze used in step 4) and the step 5) is a glaze slip conventional in the prior art.Enamel for glassed steel described in the step 8) is a glaze slip conventional in the prior art.

Preferable; In step 8) and the step 10); Said spraying equipment adopts full-automatic spraying glaze slip equipment; Said full-automatic spraying glaze slip equipment comprises the locating rack and the bolt arrangement propeller of automatic rotation, and said bolt arrangement propeller is provided with support, and said support comprises the horizon bar and the knighthead that is connected with horizon bar of bottom; Said knighthead is provided with glaze slip storage tube, runner pipe, pneumatic compression injector and the umbrella shape high speed rotary sprayer that connects successively, and said support rolls with many groups fixed pulley of bolt arrangement propeller through the horizon bar bottom and is connected.Preferable, the number of packages of said fixed pulley is 8.

Said enamel glaze slip flows down and splashes in the spray chamber of said pneumatic compression injector by deadweight longshore current siphunculus, relies on the gas compression injection impulse force of pneumatic compression injector to be the vaporific said umbrella shape high speed rotary sprayer that sprays into.Said pneumatic compression injector is a conventional equipment of the prior art.

When adopting said newly-designed advanced full-automatic spraying glaze slip equipment that the inwall of stack shell in new is carried out the spraying of enamel glaze slip layer; Said can body is placed on the rotatable locating rack; Umbrella shape high speed rotary sprayer on the support is at the uniform velocity advanced and at the uniform velocity travel to and fro between in the can body with the bolt arrangement propeller; Enamel glaze slip in the said glaze slip storage tube circulates behind the pipe, utilizes the pneumatic compression injector to carry smooth characteristic, quantitatively constant speed and be the vaporific umbrella shape high speed rotary sprayer that sprays into; Form vaporificly through umbrella shape high speed rotary sprayer once more, very uniformly spray on stack shell inwall in the can body that is up to the standards new.The thickness evenness of the enamel for glassed steel layer on the said new interior stack shell inwall is good, by the thickness (thickness difference is 1.2mm) of current national standard 0.8-2.0mm, rises to the thickness (thickness difference is 0.5mm) of 0.8-1.3mm, and enamel for glassed steel layer pinhole number is 0.

And spraying glaze slip equipment of the prior art adopts the dolly of belt wheel that umbrella shape high speed rotary sprayer is pushed the spraying of carrying out the enamel glaze slip in the can body; Its shortcoming is; Friction because of wheel and ground rail when (1) moving because of the sub dolly of belt wheel causes dolly to move not at the uniform velocity, and then causes the glaze slip spraying inhomogeneous; (2) it is vaporific only to adopt umbrella shape high speed rotary sprayer that the enamel glaze slip that drips is dispersed in the prior art, the glaze slip of disposable dispersion, and it is dispersed not as good dispersion of the present invention twice.

Preferable; In step 9) and the step 10); Adopt 150-450 ℃ of intensification pre-burning and insulation during said firing earlier, adopt 450-750 ℃ of intensification pre-burning and insulation again, the time of wherein heat up pre-burning and insulation was total up to 2-4 hour; Adopt 700-920 ℃ of high-temperature firing and insulation then, 1-1.5 hour altogether.Warm pre-burning in adopting when the present invention fires, high temperature sintering, insulation, the controlled burning process of firing stage by stage are core technology.

Further, in step 9) and the step 10), said intelligent temperature programme-control/adjusting/recorder can adopt the A1-518P type temperature controller/adjuster/recorder of Xiamen space electric automation Science and Technology Ltd..

Further; In step 9) and the step 10); Said inner-heat type electric furnace comprises the insulation cylindrical shell; But said insulation cylindrical shell top is provided with the holding furnace roof door of one group of folding, and said holding furnace roof door is provided with the goods suspension bracket rotation part that runs through the holding furnace roof door, and the bottom of said goods suspension bracket rotation part also is provided with the facet electric furnace; Said inner-heat type electric furnace comprises that also the main body that is positioned at the insulation cylindrical shell adds electrothermal stove, and said main body adds cylinder electric furnace and the round platform stairstepping electric furnace that electrothermal stove from bottom to top comprises plane of a loop electric furnace, multi-layer area combination successively; Also be provided with plane of a loop stove lifters under the said plane of a loop electric furnace, the plane of a loop of said plane of a loop electric furnace is provided with the different concentric groove of many loop diameters, and said plane of a loop electric furnace is one group of heating of coiling in many circle concentric grooves; The annulus flat board that the cylinder electric furnace that said multi-layer area makes up is identical the polylith diameter and central shaft overlaps is formed by stacking, and the dull and stereotyped outer perimeter wall of said every annulus is provided with annular groove, one group of heating of coiling in the groove of every 5-8 layer ring plate; Said round platform stairstepping electric furnace is formed by stacking the annulus flat board that polylith diameter difference and central shaft overlap; The dull and stereotyped outer perimeter wall of said every annulus is provided with the stairstepping ring-shaped platform, and said round platform stairstepping electric furnace is one group of coiling and the akin heating of interior end socket spare modeling structure on 5-8 layer stairstepping ring-shaped platform; The all supporting temperature-controlling system that is provided with the unit grouping of each group heating.

It is close with the modeling structure of the new interior stack shell of said can body that said main body adds the overall structure moulding of electrothermal stove; The cylinder electric furnace of said plane of a loop electric furnace, multi-layer area combination and round platform stairstepping electric furnace correspond respectively to new in the big flange of equipment, straight stack shell and the interior end socket spare of stack shell, and the spacing of respectively organizing between the corresponding component of the electric furnace newly interior stack shell corresponding with it can be set or set up.

Cylinder electric furnace and the round platform stairstepping electric furnace that said main body adds plane of a loop electric furnace in the electrothermal stove, multi-layer area combination by combination new in the demand of each structure member of stack shell steel plate thickness inequality, its thermal capacity also inequality; By thermoelectric element in the cylinder electric furnace of the thermoelectric element in the plane of a loop electric furnace, multi-layer area combination and the thermoelectric element in the round platform stairstepping electric furnace; According to required electrical heating power inequality, the direct heat radiation is to new interior stack shell inboard, the big flange of equipment, straight stack shell and interior end socket spare respectively.

The temperature-controlling system that said unit divides into groups comprises temperature element and intelligent temperature programme-control/adjusting/recorder, and each group heating all connects supporting temperature element, and every group of temperature element all connects supporting intelligent temperature programme-control/adjusting/recorder.

Said precise controlled internal heated electric furnace with intelligent temperature programme-control/adjusting/recorder is polynary combination, unit grouping temperature control, precise controlled inner-heat type electric furnace.The said polynary heating that is combined as many group electrical heating electric furnaces and matches makes up; The temperature-controlling system that said unit divides into groups is every group and adds electrothermal stove and the heating that matches, supporting temperature element and the intelligent temperature programme-control/adjusting/recorder combination temperature control that matches; Said precise controlled internal heated electric furnace with intelligent temperature programme-control/adjusting/recorder is in the multipass sintering procedure of each glass-lined reactor; Accurately design temperature programme-control; Regulate and write down automatically each time intensification, insulation, the cooling overall process firing temperature curve of each specified temp section of controlled enamel firing stage by stage, the total quality of the lifting glass-lined reactor of high-efficiency high-quality.

In the sintering procedure; Said new glass-lined reactor is inverted in main body and adds on the electrothermal stove, the inboard of the big flange of upside, equipment, straight stack shell and the interior end socket spare of the discharging opening flange of the new interior stack shell that the cylinder electric furnace of the facet electric furnace of goods suspension bracket rotation part bottom, plane of a loop electric furnace, multi-layer area combination and round platform stairstepping electric furnace correspond respectively to new glass-lined reactor.Described goods suspension bracket rotation part is the slowly rotation in the overall process of burning till of new glass-lined reactor, the facet electric furnace on the goods suspension bracket, corresponding burning till of glass-lined reactor discharging opening flange face newly.Wherein, but goods suspension bracket rotation part adopts the goods suspension bracket rotation part in the device of inner-heat type electric furnace goods suspension bracket rotation of patent ZL200320109151.8, but and with the device of inner-heat type electric furnace goods suspension bracket rotation in the supporting use of miscellaneous part.The material of said insulation cylindrical shell adopts alumina silicate fibre.

But use said precise controlled internal heated electric furnace and combine goods suspension bracket rotating device with intelligent temperature programme-control/adjusting/recorder; Steel plate thickness by new each structure member of glass-lined reactor is inequality; Its thermal capacity is inequality; Required heating power is also inequality; Adopt polynary combination, unit grouping temperature-controlling system, have the precise controlled inner-heat type electric furnace of intelligent temperature programme-control/adjusting/recorder, its electrical heating power can be set as required, and the characteristic that can accurately adjust realizes firing synchronously of each parts.As; The big flange of equipment (thickness is 32mm); It is different that stack shell (thickness is 14mm) waits the thickness of each assembly steel plate in new, and required thermal capacity is inequality, and therefore the power of required heating is also inequality; Adopt polynary combination, unit grouping temperature-controlling system, can regulate and control simultaneously to the required temperature of reality, realize that the thermograph that overall process was fired and fired to same heating temperature, synchronous one forms by the precise controlled internal heated electric furnace of intelligent temperature programme-control/adjusting/recorder phase composition.

Adopt said polynary combination with precise controlled internal heated electric furnace of intelligent temperature programme-control/adjusting/recorder, unit grouping temperature-controlling system coupling collar plane electric furnace lifters by the different demands of forming each structural member thermal capacity of stack shell in new glass-lined reactor new, can set and set up spacing as required with each structural member.Like the can body of 2000L glass-lined reactor, the steel plate thickness of the big flange of equipment is 32mm, with the adjustable 30-50mm that is decided to be of spacing of the plane of a loop electric furnace of unit grouping temperature-controlling system; The steel plate thickness of stack shell is 14mm in new, with the adjustable 100-150mm that is decided to be of spacing of the cylinder electric furnace of polynary combination, unit grouping temperature-controlling system; The steel plate thickness of end socket spare is 16mm, with the adjustable 90-120mm that is decided to be of spacing of the round platform ladder electric furnace of unit combination; The spacing of discharging opening flange and facet electric furnace is adjustable to be decided to be 30-50mm.The precise controlled internal heated electric furnace that application has intelligent temperature programme-control/adjusting/recorder can strict be followed the physical reaction of steel self, the best between steel and glass lining bottom glaze, glass lining bottom glaze and enamel cover-coat enamel, enamel cover-coat enamel and the enamel cover-coat enamel, the realization of perfect physical-chemical reaction.Controlled system device by precise controlled internal heated electric furnace with intelligent temperature programme-control/adjusting/recorder; Science is accurate comprehensively implement in warm pre-burning, high-temperature firing, insulation, the controlled core technology of firing stage by stage; With effective control or eradicate all kinds of generation of defects, greatly improve the total quality and the service life of glass-lined reactor.

Employing has precise controlled internal heated electric furnace the firing new glass-lined reactor of intelligent temperature programme-control/adjusting/recorder; Have the following advantages: (1) can thoroughly eradicate glass-lined reactor and add at the external-heat electric furnace and pine for; Each structure member is inhomogeneous because of being heated; The temperature difference is big, formed burning or insufficient burnt, defectives such as the dark bubble of generation, crackle, stream porcelain, burst porcelain.(2) the adhesive layer of facilitating mesh-like structure between glass lining bottom glaze and the steel plate that can be complete is inlayed each other, and canine tooth intersects, fully infiltration, the fine and close combination; Glass lining bottom glaze and enamel cover-coat enamel, fully fusion between enamel cover-coat enamel and the enamel cover-coat enamel, strong bonded, fine and close smooth.(3) can remove effectively that all kinds of bubbles fully overflow in the enamel for glassed steel layer, all kinds of defectives are got rid of basically, and pin hole is eradicated.And by traditional enamel firing technology burn till pass (pass that burns till of prior art is more than 7 times, 20 times the most nearly, even strike porcelain and do over again), drop to below 7 times, can burn till fully.(4) four groups of butt weld surface blackening enamel protection glaze layers in the interlayer cavity; Can effectively remove multiple high temp burn till with the long-term production use in; Four groups of butt welds in the can body interlayer cavity of new glass-lined reactor are not oxidized; Be not corroded, meet the pressure vessel manufacturing standard comprehensively, total quality is excellent.Started and established the iron embryo of China's glass-lined reactor and made one-shot forming, made " technical standard " round Realization content regulation, controlled enamel firing " technological core " datumization, scientific, automation.Towards the leading iron embryo manufacturing in the world of innovation can only post forming, controlled enamel firing technological core is heated the present situation spanning development inhomogeneous, the total quality that makes it China's glass-lined reactor is superior to the leading level in the world.

In the step 11), said new glass-lined reactor can body directly lifts in the electrical heating temperature control heat-preservation cylinder with big driving after high temperature is come out of the stove, and can effectively accurately control the generation of new glass-lined reactor can body residual stress.The heat that self stores after utilizing new glass-lined reactor can body high temperature to come out of the stove; In conjunction with the electrical heating temperature controller in the electrical heating temperature control heat-preservation cylinder; The accurate setting and control of temperature lowering curve of the specified temp section (the softening attitude of enamel for glassed steel layer is converted into the temperature section of cure states) that can produce according to residual stress is greatly to reduce or to eradicate the residual stress of new glass-lined reactor and the generation of enamel for glassed steel layer hairline.

Preferably, the cooling rate of said slow cooling can be controlled in and was cooled to 150 ℃ by furnace temperature in 6-10 hour.

New glass-lined reactor of the present invention; When the enamel for glassed steel layer of new glass-lined reactor can body inwall after long-term service failure; As long as the steel plate thickness through the can body that is up to the standards all meets two types of pressure-vessel manufacturer's standards; Also can use precise controlled internal heated electric furnace once more, realize that repeatedly integral body burns till, repairs utilization with intelligent temperature programme-control/adjusting/recorder.

The present invention adopts full-automatic spraying glaze slip equipment that the inwall of stack shell in new is carried out the spraying of enamel glaze slip; Employing has the precise controlled internal heated electric furnace of intelligent temperature programme-control/adjusting/recorder the enamel for glassed steel layer of whole can body is fired; The glaze layer is protected with new inner core last butt girth welding seam blackening enamel on one's body in four groups of butt weld top layers in the can body interlayer cavity; The new glass-lined reactor that adopts electrical heating temperature control heat-preservation cylinder that last is baked carries out heat tracing and slowly cools off; The synchronous one of final realization is fired to form and is met two types of pressure-vessel manufacturing standards comprehensively; And total quality significantly is superior to the new glass-lined reactor of current national standard GB25025-2010 " glass-lined equipment technical conditions " comprehensively; And the new glass-lined reactor of gained is after long-term service failure, in it stack shell and external jacket steel plate thickness all meet two types of design of pressure vessels standards, also can further repeatedly repair utilization.

Beneficial effect of the present invention is following: adopt the precise controlled internal heated electric furnace with intelligent temperature programme-control/adjusting/recorder of the present invention to implement the technology for calcining that the jacketed integral hoisting combines with rotation; And the strong characteristic of the indeformable ability of can body matrix high temperature resistance by two layers of steel plate combination; The arranged outside that is combined in the big flange of equipment is organized reinforcement steel strength plate more; And the new glass-lined reactor that adopts full-automatic spraying glaze slip equipment and the manufacturing of electrical heating temperature control heat-preservation cylinder; Minimax diameter difference≤the 1mm of the big flange of its equipment (comprises DN≤1000mm and DN＞1000mm); Flatness tolerance≤1mm (comprises DN≤1000mm and DN＞1000mm), seal face width>=35mm; The thickness evenness of the enamel for glassed steel layer in it is new on the stack shell inwall is good, and rising to thickness is between the 0.8-1.3mm, and the pinhole number of enamel for glassed steel layer is 0; Electrical heating temperature control heat-preservation cylinder can effectively accurately be controlled the generation of new glass-lined reactor can body residual stress; And the controlled system device, the science that adopt precise controlled internal heated electric furnace with intelligent temperature programme-control/adjustings/recorder implement in full accurately in warm pre-burning, high-temperature firing, insulation, " core technology " of controlled enamel firing new glass-lined reactor of firing has effectively been removed defectives such as dark bubble that glass-lined reactor produced, crackle, stream porcelain, burst porcelain stage by stage, and can be complete facilitate separating out and molten Jie and redox reaction of the surperficial hydrogen of steel self; Facilitate the adhesive layer of mesh-like structure between glass lining bottom glaze and the steel plate, inlay each other, fully infiltration, the fine and close combination; Glass lining bottom glaze and enamel cover-coat enamel, fully fusion between enamel cover-coat enamel and the enamel cover-coat enamel, strong bonded, smooth densification, and can realize that 6-7 is all over the following pass that burns till.The glaze layer is protected with new inner core last butt girth welding seam surface blackening enamel on one's body in four groups of butt weld surfaces in the interlayer cavity; Can stop glass-lined reactor multiple high temp fire with long-term use in oxidized be corroded; The new glass-lined reactor of gained meets the manufacturing standard of two types of pressure vessels comprehensively; Total quality is excellent; And after long-term service failure, in it stack shell and external jacket steel plate thickness still all meet two types of design of pressure vessels standards, also can repeatedly repair utilization.

New glass-lined reactor of the present invention meets the manufacturing standard and the instructions for use of pressure-vessel comprehensively; The glass-lined reactor that the application external-heat electric furnace that its total quality obviously is superior to using is at present manufactured; Started and established manufacturing " technical standard " the round Realization content regulation of China's glass-lined reactor; Controlled enamel firing " core technology " datumization, scientific, automation, total quality significantly is superior to current national standard GB25025-2010 comprehensively, and after long-term service failure; In it stack shell and external jacket steel plate thickness still all meet two types of design of pressure vessels standards, also can repeatedly repair utilization; New glass-lined reactor of the present invention towards the leading external-heat electric furnace iron embryo manufacturing in the world of innovation can only post forming, controlled enamel firing " core technology " is heated the present situation spanning development inhomogeneous; The total quality that makes it China's glass-lined reactor is superior to the leading level in the world; With significant technology, quality, the omnibearing advantage of economy (the external product price is higher than China and reaches 6-7 doubly); March the situation of selling well international market; For country practices thrift a large amount of steel,, has very remarkable economic efficiency, social benefit and global market competition power for the user practices thrift a large amount of funds.

Description of drawings

Fig. 1 a is the can body structural representation of new glass-lined reactor

Fig. 1 b is for strengthening the sketch map of steel strength plate

Fig. 1 c is that the big flange of can body equipment and the A-A that strengthens the welding of steel strength plate of new glass-lined reactor is to structural representation

Fig. 2 is the new inner core body structure sketch map through being up to the standards

Fig. 3 is the new external jacket structural representation through being up to the standards

Fig. 4 is the full-automatic spraying glaze slip device structure sketch map of new glass-lined reactor

Fig. 5 is the precise controlled internal heated electric furnace sketch map with intelligent temperature programme-control/adjusting/recorder, and wherein top right plot 5a is for having intelligent temperature programme-control/adjusting/recorder 23 and temperature element 22 combination sketch mapes

Fig. 6 is for adopting the burn till structural representation of inner-heat type electric furnace to new glass-lined reactor

Fig. 7 is the electric heater temperature control heat-preservation cylinder structural representation of new glass-lined reactor

Among the figure, 1 can body through being up to the standards, 2 through be up to the standards new in stack shell, 3 new external jackets through being up to the standards; 4, many groups are strengthened steel strength plate, and 4.1-4.8 is every and strengthens steel strength plate, the big flange of 5 equipment; Cavity between 6 new interior stack shells and new external jacket, 7 enamel for glassed steel layers, 8 enamels protection glaze layer; 2.1 the straight stack shell of stack shell in new, 2.2 new in the interior end socket spare of stack shells, 2.11 butt joint straight welds, butt girth welding seam on 2.12,2.13 times butt girth welding seams; 3.1 the chuck body that band closes up, the end socket spare of ring in 3.2 bands, 3.11 butt joint straight welds, 3.21 butt girth welding seams, the interior ring of 3.22 end socket spares is closed up in going up of 3.12 chuck bodies; 9 full-automatic spraying glaze slip equipment, the locating rack of 9.1 automatic rotations, 9.2 bolt arrangement propellers, 9.3 umbrella shape high speed rotary sprayers, 9.4 pneumatic compression injectors, 9.5 glaze slips storage tube, 9.6 runner pipes; 11 electrical heating temperature control heat-preservation cylinders, 11.1 insulation cylindrical shells, 11.2 electrical heating temperature controllers; 10 main bodys add electrothermal stove, 12 insulation cylindrical shells, 13 plane of a loop stove lifters, but the holding furnace roof door of 14 foldings; 15 goods suspension bracket rotation parts, 16 facet electric furnaces, 17 plane of a loop electric furnaces; 17.1 the heating on the plane of a loop electric furnace, the cylinder electric furnace of 18 multi-layer areas combination, the heating on the cylinder electric furnace of 18.1-18.7 multi-layer area combination; 19 round platform stairstepping electric furnaces, the heating on the 19.1 round platform stairstepping electric furnaces, the annulus of the cylinder electric furnace of 20 multi-layer areas combination is dull and stereotyped; The annulus of 21 round platform stairstepping electric furnaces is dull and stereotyped, 22 temperature elements, every group of temperature element of 22.1-22.9; 23 intelligent temperatures programme-control/adjusting/recorder sketch map, 24 discharging opening flanges.

The specific embodiment

Further set forth the present invention below in conjunction with specific embodiment, should be understood that these embodiment only are used to the present invention is described and are not used in restriction protection scope of the present invention.

Embodiment 1

New glass-lined reactor shown in Fig. 1 a; Comprise can body 1 through being up to the standards; Said can body 1 comprise through be up to the standards new in stack shell 2, new external jacket 3 and many group reinforcement steel strength plates 4 through being up to the standards; Said new interior stack shell 2 and new external jacket 3 integrally welded structures, and be cavity 6 between the two; The big flange 5 of equipment that is provided with suitable for reading of said new interior stack shell 2, end opening is provided with discharging opening flange 24, and blackening has enamel for glassed steel layer 7 on the inwall of said new interior stack shell 2.

New interior stack shell as shown in Figure 2; Said new interior stack shell 2 comprises straight stack shell 2.1 and the interior end socket spare 2.2 that is connected straight stack shell 2.1; On said new interior stack shell 2 outer walls three groups of butt welds are arranged; Comprise butt joint straight weld 2.11, go up butt girth welding seam 2.12 and following butt girth welding seam 2.13, said new on stack shell 2 outer walls butt joint straight weld 2.11 surfaces, go up the equal blackenings in butt girth welding seam 2.12 surfaces and following butt girth welding seams 2.13 surfaces and have enamel to protect glaze layer 8.

New external jacket as shown in Figure 3; Said new external jacket 3; Its steel plate thickness thickens 2-10mm by the design standard of two types of glassed steel pressure vessels; And by band close up 3.12 chuck body 3.1 with band that the chuck body is connected in the end socket spare 3.2 of ring 3.22 be welded into overall structure, butt joint straight weld 3.11 surfaces on said new external jacket 3 inwalls have enamel to protect glaze layer 8 with the equal blackenings in butt girth welding seam 3.21 surfaces.Preferable, the steel plate thickness of said new external jacket 3 thickens 2-6mm by the design standard of two types of glassed steel pressure vessels.

Strengthen steel strength plates 4 like Fig. 1 a and shown in Fig. 1 c many groups and be located between closing in 3.12 positions of the big flange 5 of equipment and new external jacket, and be symmetrical Combination Welding along the circumference of the big flange 5 of equipment and form.The many groups of numbers of packages of strengthening steel strength plate 4 shown in Fig. 1 c are 8.Strengthen steel strength plate for every shown in Fig. 1 b, its shape with each welding position that new glass-lined reactor is connected is corresponding.

Can know through detecting according to the GB25025-2010 standard: the minimax diameter difference≤1mm of the big flange of equipment of said new glass-lined reactor (comprises DN≤1000mm and DN＞1000mm); Flatness tolerance≤1mm (comprises DN≤1000mm and DN＞1000mm); Seal face width>=35mm, glass-lined coating pinhole number are 0.Product quality significantly is superior to national new regulation standard, and the diameter tolerance of the big flange face of equipment of wherein national new regulation GB25025-2010: DN≤1000mm is 6mm, and DN＞1000mm is 10mm; Flatness tolerance: when DN≤1000mm ,≤2mm; When DN＞1000mm ,≤2.5mm.Seal face width >=the 15mm of vessel flange.Glass-lined reactor is pressed the increase of nominal volume, and by＞8KL-＞60KL, what its glass-lined coating pin hole was repaired number rises to 1-7.

The manufacturing approach of said new glass-lined reactor; Comprise and adopt the inwall of 9 pairs of new interior stack shells of full-automatic spraying glaze slip equipment to carry out the spraying of enamel glaze slip; Employing has 10 pairs of whole can bodies of precise controlled internal heated electric furnace of intelligent temperature programme-control/adjusting/recorder fires, and adopts 11 pairs of new glass-lined reactors that bake after high temperature is come out of the stove of electrical heating temperature control heat-preservation cylinder to carry out heat tracing and slowly cools off.Wherein, Full-automatic spraying glaze slip equipment 9 is as shown in Figure 4; Precise controlled internal heated electric furnace with intelligent temperature programme-control/adjusting/recorder is as shown in Figure 5; The annexation of intelligent temperature programme-control/adjusting/recorder and temperature element is shown in Fig. 5 a, and electrical heating temperature control heat-preservation cylinder 11 is as shown in Figure 7.

The manufacturing approach of said new glass-lined reactor specifically comprises the steps:

1) the chuck body 3.1 and the interior end socket spare 3.2 that encircles of band that closes up is with in making respectively, and is welded into overall structure, obtains integrally-built new external jacket 3; The steel plate thickness of new external jacket 3 thickens 2-10mm by the design standard of two types of glassed steel pressure vessels;

2) make new in stack shell and on one's body butt joint straight weld 2.11 of new inner core, go up butt girth welding seam 2.12 and following butt girth welding seam 2.13 carries out x-ray inspection by the standard of two types of pressure vessel safeties supervision rules, obtain to meet the new interior stack shell 2 of two types of pressure vessel safeties supervision rules;

3) butt joint straight weld on the new external jacket 3 3.11 and butt girth welding seam 3.21 are carried out x-ray inspection by the standard of two types of pressure vessel safety supervision rules, obtain to meet the new external jacket 3 of two types of pressure vessel safety supervision rules;

4) will through be up to the standards new on the outer wall of stack shell 2 butt joint straight weld 2.11 surfaces, go up butt girth welding seam 2.12 and following butt girth welding seam 2.13 surfaces coated enamels are protected glaze slip layer 8;

5) will protect glaze slip layers 8 with butt girth welding seam 3.21 surfaces coated enamels through 3.11 surfaces of the butt joint straight weld on the inwall of the new external jacket 3 that is up to the standards;

The new interior stack shell 2 that 6) will scribble burning enamel protection glaze slip layer protects the new external jacket 3 of glaze slip layer to be welded into integrally-built can body with enamel; Fired back is detected by the hydraulic pressure standard of two types of pressure vessel safety supervision rules, obtains meeting the can body 1 of two types of pressure vessel safety supervision rules;

7) strengthen steel strength plates 4 in the many groups of welding between closing in 3.12 positions of the big flange 5 of equipment of the can body that is up to the standards and new external jacket, said many groups are strengthened steel strength plates 4 and are the symmetry combination along the circumference of the big flange 5 of equipment and arrange; The number of packages that many groups are strengthened steel strength plate 4 can be 8;

8) adopt the inwall of 9 pairs of new interior stack shells of full-automatic spraying glaze slip equipment to carry out the spraying of enamel glaze slip, obtain the can body of inner-wall spraying enamel for glassed steel layer;

9) adopt precise controlled internal heated electric furnace that the can body of inner-wall spraying enamel glaze slip layer is fired with intelligent temperature programme-control/adjusting/recorder; Wherein in sintering procedure, can control accurately the whole heating temperature of each parts consistent, and implement in warm pre-burning, high temperature sintering, insulation, controlledly stage by stage fire, one is burnt till synchronously, and fire overall process and adopt the automatic temperature-adjusting record;

10) adopt precise controlled internal heated electric furnace to the can body of said retort enamel firing 6-7 time repeatedly the can body of new reaction jar, and all adopt full-automatic spraying glaze slip equipment that the inwall of new interior stack shell is carried out the spraying of enamel glaze slip layer before each enamel firing earlier with intelligent temperature programme-control/adjustings/recorder;

The can body of the glass-lined reactor that 11) last is baked is come out of the stove to be placed on and is carried out heat tracing in the electrical heating temperature control heat-preservation cylinder 11 and slowly cool off, and obtains said new glass-lined reactor.

Preferable; In step 8) and the step 10); Full-automatic spraying glaze slip equipment 9 as shown in Figure 4 comprises the locating rack 9.1 and bolt arrangement propeller 9.2 of automatic rotation; Said bolt arrangement propeller 9.2 is provided with support 9.8; Said support 9.8 comprises the horizon bar 9.9 and the knighthead that is connected with horizon bar 9.10 of bottom, and said knighthead 9.10 is provided with glaze slip storage tube 9.5, runner pipe 9.6, pneumatic compression injector 9.4 and the umbrella shape high speed rotary sprayer 9.3 that connects successively, and said support 9.8 rolls with many groups fixed pulley 9.11 of bolt arrangement propeller 9.2 through the horizon bar bottom and is connected; Implement quantitative spraying method at the uniform velocity during said the spraying.

Adopt 9 pairs of said newly-designed advanced full-automatic spraying glaze slip equipment new in the inwall of stack shells when carrying out the spraying of enamel glaze slip; Can body 1 is placed on the rotatable locating rack 9.1; At the uniform velocity advance and travel to and fro between the umbrella shape high speed rotary sprayer 9.3 on the support 9.8 in the can body 1 with bolt arrangement propeller 9.2; Enamel glaze slip 9.7 in the said glaze slip storage tube 9.5 circulates behind the pipe 9.6; Utilize pneumatic compression injector 9.4 to carry smooth characteristic; Quantitative constant speed and be the vaporific umbrella shape high speed rotary sprayer 9.3 that sprays into forms vaporificly once more through umbrella shape high speed rotary sprayer 9.3, very uniformly spray on the inwall of stack shell 1 in the can body that is up to the standards new.The thickness evenness of the enamel for glassed steel layer on the said new interior stack shell inwall is good, and rising to thickness is between the 0.8-1.3mm.

Preferable; In step 9) and the step 10); Precise controlled internal heated electric furnace with intelligent temperature programme-control/adjusting/recorder 23 as shown in Figure 5 is polynary combination, unit grouping temperature-controlling system, precise controlled inner-heat type electric furnace phase composition; Said inner-heat type electric furnace comprises insulation cylindrical shell 12; But said insulation cylindrical shell 12 tops are provided with the holding furnace roof door 14 of one group of folding, and said holding furnace roof door 14 is provided with the goods suspension bracket rotation part 15 that runs through the holding furnace roof door, and the bottom of said goods suspension bracket rotation part also is provided with facet electric furnace 16; Said inner-heat type electric furnace comprises that also the main body that is positioned at insulation cylindrical shell 12 adds electrothermal stove 10, and said main body adds cylinder electric furnace 18 and the round platform stairstepping electric furnace 19 that electrothermal stove 10 from bottom to top comprises plane of a loop electric furnace 17, multi-layer area combination successively; Also be provided with plane of a loop stove lifters 13 under the said plane of a loop electric furnace 17, the plane of a loop of said plane of a loop electric furnace 17 is provided with the different concentric groove of many loop diameters, and said plane of a loop electric furnace 17 is one group of heating 17.1 of coiling in many circle concentric grooves; The annulus that cylinder electric furnace 18 is identical the polylith diameter and central shaft overlaps dull and stereotyped 20 of said multi-layer area combination is formed by stacking; Every annulus flat board is made up of polylith fan-like pattern plate; The dull and stereotyped outer perimeter wall of said every annulus is provided with annular groove, one group of heating of coiling 18.1,18.2,18.3,18.4,18.5,18.6,18.7 in the groove of every 5-8 layer ring plate; Said round platform stairstepping electric furnace 19 is formed by stacking the annulus dull and stereotyped 21 that polylith diameter difference and central shaft overlap; Every annulus flat board is made up of polylith fan-like pattern plate; The outer perimeter wall of said every annulus dull and stereotyped 21 is provided with the stairstepping ring-shaped platform, and said round platform stairstepping electric furnace 19 is one group of coiling and the akin heating 19.1 of interior end socket spare 2.2 modeling structures on 5-8 layer stairstepping ring-shaped platform; The all supporting temperature-controlling system that is provided with the unit grouping of each group heating.

Further; The temperature-controlling system that said unit divides into groups all is connected with each group temperature element 22.1,22.2,22.3,22.4,22.5,22.6,22.7,22.8,22.9 with corresponding each group heating 17.1,18.1,18.2,18.3,18.4,18.5,18.6,18.7,19.1 of joining work for each group adds electrothermal stove, and each group temperature element all connects the intelligent temperature programme-control/adjusting/recorder that matches.Employing as shown in Figure 6 has the structure chart that burns till of the inner-heat type electric furnace of intelligent temperature programme-control/adjusting/recorder to new glass-lined reactor; In the sintering procedure; Said new glass-lined reactor is inverted in main body and adds on the electrothermal stove 10, the big flange of the cylinder electric furnace 18 of the facet electric furnace 16 of goods suspension bracket rotation part 15 bottoms, plane of a loop electric furnace 17, multi-layer area combination and upside, the bottom side of discharging opening flange 24, the equipment that round platform stairstepping electric furnace 19 corresponds respectively to the discharging opening flange 24 of new glass-lined reactor 5, new in straight stack shell 2.1 and the inboard of interior end socket spare 2.2 of stack shell 2.

Described goods suspension bracket rotation part 15 is in the slowly rotation in the overall process of burning till of new glass-lined reactor, the facet electric furnace 16 on the goods suspension bracket, the burning till of the flange face of corresponding new glass-lined reactor discharging opening flange 24.Wherein, but goods suspension bracket rotation part adopts the goods suspension bracket rotation part in the device of inner-heat type electric furnace goods suspension bracket rotation of patent ZL200320109151.8, but and with the device of inner-heat type electric furnace goods suspension bracket rotation in the supporting use of miscellaneous part.

Further; In step 9) and the step 10), warm pre-burning in adopting when firing, high temperature sintering, insulation, the controlled burning process of firing stage by stage adopt 150-450 ℃ of intensification pre-burning and insulation earlier during said firing; Adopt 450-750 ℃ of intensification pre-burning and insulation again; The time of pre-burning and insulation of wherein heating up was total up to 2-4 hour, adopted 700-920 ℃ of high-temperature firing and insulation then, the 1-1.5 hour altogether time of high-temperature firing and insulation.

But use said precise controlled internal heated electric furnace and combine goods suspension bracket rotating device with intelligent temperature programme-control/adjusting/recorder; Steel plate thickness by new each structure member of glass-lined reactor is inequality; Its required thermal capacity is inequality; Required heating power is also inequality; Adopt polynary combination, unit grouping temperature-controlling system, precise controlled inner-heat type electric furnace, the different structure parts of new glass-lined reactor are adopted the different controlled stage by stage enamel firings of electrical heating power, also can set or set up spacing as required with each structure member; And combined with intelligent temperature program(me) control/adjusting/recorder can be adjusted to actual required temperature, realizes the whole same heating temperature of each parts, controlledly stage by stage fires, one is fired and fired overall process and adopts the automatic temperature-adjusting record to form synchronously.

Employing has precise controlled internal heated electric furnace the firing new glass-lined reactor of intelligent temperature programme-control/adjusting/recorder; Have the following advantages: glass-lined reactor can effectively be removed in the external-heat electric furnace is fired in (1); Each structure member is inhomogeneous because of being heated; The temperature difference is big, formed burning or insufficient burnt, defectives such as the dark bubble of generation, hairline, stream porcelain, burst porcelain.(2) can be complete facilitate separating out and molten Jie and redox reaction of the surperficial hydrogen of steel self; Facilitate the adhesive layer of mesh-like structure between glass lining bottom glaze and the steel plate, inlay each other, fully infiltration, the fine and close combination; Glass lining bottom glaze and enamel cover-coat enamel, fully fusion between enamel cover-coat enamel and the enamel cover-coat enamel, strong bonded, smooth densification.(3) all kinds of bubbles fully overflow in realization enamel for glassed steel layer that can be certain, and all kinds of defectives are got rid of basically, and pin hole is eradicated.And by traditional enamel firing technology burn till pass (pass that burns till of prior art is more than 7 times, 20 times the most nearly, even strike porcelain and do over again), drop to below 6 times, can burn till fully.(4) four groups of butt weld surface blackening enamel protection glaze layers in the interlayer cavity; Can effectively remove multiple high temp burn till with the long-term production use in, new glass-lined reactor is not oxidized, is not corroded; Meet the pressure vessel manufacturing standard comprehensively; And after long-term service failure, steel plate thickness of stack shell and external jacket all meets two types of design of pressure vessels standards in it, also can further repeatedly repair utilization.Started and established the iron embryo of China's glass-lined reactor and made one-shot forming, made " technical standard " round Realization content regulation, controlled enamel firing " core technology " datumization, scientific, automation.Towards the leading iron embryo manufacturing in the world of innovation can only post forming, controlled enamel firing " core technology " is heated the present situation spanning development inhomogeneous, the total quality that makes it China's glass-lined reactor is superior to the leading level in the world.

Electrical heating temperature control heat-preservation cylinder 11 as shown in Figure 7 comprises insulation cylindrical shell 11.1 and the electrical heating temperature controller 11.2 that is positioned at insulation cylindrical shell 11.1 bottoms.

In the step 11), said new glass-lined reactor can body 1 directly lifts in the electrical heating temperature control heat-preservation cylinder 11 as shown in Figure 8 with big driving after high temperature is come out of the stove, and can effectively accurately control the generation of new glass-lined reactor can body 1 residual stress.The heat that self stores after utilizing new glass-lined reactor can body high temperature to come out of the stove; Electrical heating temperature controller 11.2 in conjunction with in the electrical heating temperature control heat-preservation cylinder 11 can be set and control accurately; Be converted into cure states by the softening attitude of enamel for glassed steel layer; The heating temperature control of this specified temp section is accurate the setting and control of temperature lowering curve of the temperature lowering curve of the cooling specified temp section that can produce according to residual stress slowly; The temperature lowering curve of said specified temp section is converted into the temperature lowering curve of cure states for the softening attitude of enamel for glassed steel layer, greatly to reduce or to eradicate the residual stress of new glass-lined reactor and the generation of enamel for glassed steel layer hairline.

Further, the cooling rate of said slow cooling is controlled to be 6-10 hour and is cooled to 150 ℃ by furnace temperature.

The big flange of equipment of the new glass-lined reactor can body 1 of gained need not any shaping device and carries out the minimax diameter difference≤1mm of the big flange of equipment that shaping just can make the new glass-lined reactor of final acquisition before cooling; Flatness tolerance≤1mm; Seal face width>=35mm, the sealing property of the can body 1 of new glass-lined reactor is greatly improved.

Adopt the new glass-lined reactor of above-mentioned full-automatic spraying glaze slip equipment, precise controlled internal heated electric furnace and the manufacturing of electrical heating temperature control heat-preservation cylinder with intelligent temperature programme-control/adjusting/recorder; Through detecting the minimax diameter difference≤1mm of the big flange of its equipment; Flatness tolerance≤1mm, seal face width>=35mm; The thickness evenness of the enamel for glassed steel layer in it is new on the stack shell inwall is good, and rising to thickness is between the 0.8-1.3mm, and the pinhole number of enamel for glassed steel layer is 0, and above-mentioned each index detects gained for the standard according to standard GB 25025-2010; Electrical heating temperature control heat-preservation cylinder can effectively accurately be controlled the generation of new glass-lined reactor can body residual stress; And the new glass-lined reactor that adopts precise controlled internal heated electric furnace with intelligent temperature programme-control/adjustings/recorder to fire effectively removed defectives such as dark bubble that glass-lined reactor produced, hairline, stream porcelain, burst porcelain, and can be complete facilitate separating out and molten Jie and redox reaction of the surperficial hydrogen of steel self; Facilitate the adhesive layer of mesh-like structure between glass lining bottom glaze and the steel plate, inlay each other, fully infiltration, the fine and close combination; Glass lining bottom glaze and enamel cover-coat enamel, fully fusion between enamel cover-coat enamel and the enamel cover-coat enamel, strong bonded, smooth densification, and can realize the pass that burns till below 6 times.To four groups of butt weld surface blackening enamel protection glaze layers in the interlayer cavity; Can stop in the interlayer cavity of glass-lined reactor four groups of butt welds multiple high temp burn till with long-term use in oxidized be corroded; The new glass-lined reactor of gained meets the manufacturing standard of two types of pressure vessels comprehensively; Controlled enamel firing " core technology " datumization, scientific, automation, total quality is superior to the leading level in the world, and after long-term service failure; Steel plate thickness of stack shell and external jacket all meets two types of design of pressure vessels standards in it, also can further repeatedly repair utilization.

Embodiment 2

In the new glass-lined reactor and manufacturing technology steps thereof of present embodiment, the process conditions difference in following step, all the other make gained according to the step of embodiment 1.Wherein, In step 9) and the step 10), warm pre-burning in adopting when firing, high temperature sintering, insulation, the controlled burning process of firing stage by stage adopt 150-450 ℃ of intensification pre-burning and insulation earlier during said firing; Adopt 450-750 ℃ of intensification pre-burning and insulation again; The time of pre-burning and insulation of wherein heating up was total up to 2-4 hour, adopted 700-920 ℃ of high-temperature firing and insulation then, the 1-1.5 hour altogether time of high-temperature firing and insulation.Employing has the precise controlled internal heated electric furnace of intelligent temperature programme-control/adjusting/recorder and can work out accurately and set and the intensification, insulation, the cooling overall process firing temperature curve that write down controlled stage by stage each specified temp section automatically.In the step 10), the new glass-lined reactor pass of enamel firing repeatedly is 6-7 time.

Employing has the new glass-lined reactor of precise controlled internal heated electric furnace, full-automatic spraying glaze slip equipment and the manufacturing of electrical heating temperature control heat-preservation cylinder of intelligent temperature programme-control/adjusting/recorder; Minimax diameter difference≤the 1mm of the big flange of its equipment; Flatness tolerance≤1mm, seal face width>=35mm; The thickness evenness of the enamel for glassed steel layer in it is new on the stack shell inwall is good, and rising to thickness is between the 0.8-1.3mm, and the pinhole number of enamel for glassed steel layer is 0, and above-mentioned each index detects gained for the standard according to standard GB 25025-2010; Electrical heating temperature control heat-preservation cylinder can effectively accurately be controlled the generation of new glass-lined reactor can body residual stress; And the new glass-lined reactor that adopts precise controlled internal heated electric furnace with intelligent temperature programme-control/adjustings/recorder to fire effectively removed defectives such as dark bubble that glass-lined reactor produced, hairline, stream porcelain, burst porcelain, and can be complete facilitate separating out and molten Jie and redox reaction of the surperficial hydrogen of steel self; Facilitate the adhesive layer of mesh-like structure between glass lining bottom glaze and the steel plate, inlay each other, fully infiltration, the fine and close combination; Glass lining bottom glaze and enamel cover-coat enamel, fully fusion between enamel cover-coat enamel and the enamel cover-coat enamel, strong bonded, smooth densification, and can realize the pass that burns till below 6 times.To four groups of butt weld surface blackening enamel protection glaze layers in the interlayer cavity; Can stop glass-lined reactor multiple high temp burn till with long-term use in oxidized be corroded; The new glass-lined reactor of gained meets the manufacturing standard of two types of pressure vessels comprehensively; Controlled enamel firing " core technology " datumization, scientific, automation, total quality is superior to the leading level in the world, and after long-term service failure; Steel plate thickness of stack shell and external jacket all meets two types of design of pressure vessels standards in it, also can further repeatedly repair utilization.

Embodiment 3

Employing has the new glass-lined reactor of precise controlled internal heated electric furnace, full-automatic spraying glaze slip equipment and the manufacturing of electrical heating temperature control heat-preservation cylinder of intelligent temperature programme-control/adjusting/recorder; Minimax diameter difference≤the 1mm of the big flange of its equipment; Flatness tolerance≤1mm, seal face width>=35mm; The thickness evenness of the enamel for glassed steel layer in it is new on the stack shell inwall is good, and rising to thickness is between the 0.8-1.3mm, and the pinhole number of enamel for glassed steel layer is 0, and above-mentioned each index detects gained for the standard according to standard GB 25025-2010; Electrical heating temperature control heat-preservation cylinder can effectively accurately be controlled the generation of new glass-lined reactor residual stress; And the new glass-lined reactor that adopts precise controlled internal heated electric furnace with intelligent temperature programme-control/adjustings/recorder to fire effectively removed defectives such as dark bubble that glass-lined reactor produced, hairline, stream porcelain, burst porcelain, and can be complete facilitate separating out and molten Jie and redox reaction of the surperficial hydrogen of steel self; Facilitate the adhesive layer of mesh-like structure between glass lining bottom glaze and the steel plate, inlay each other, fully infiltration, the fine and close combination; Glass lining bottom glaze and enamel cover-coat enamel, fully fusion between enamel cover-coat enamel and the enamel cover-coat enamel, strong bonded, smooth densification, and can realize that 6-7 is all over the following pass that burns till.To four groups of butt weld surface blackening enamel protection glaze layers in the interlayer cavity; Can stop glass-lined reactor multiple high temp burn till with long-term use in oxidized be corroded; The new glass-lined reactor of gained meets the manufacturing standard of two types of pressure vessels comprehensively; Controlled enamel firing " core technology " datumization, scientific, automation, total quality is superior to the leading level in the world, and after long-term service failure; Steel plate thickness of stack shell and external jacket all meets two types of design of pressure vessels standards in it, also can further repeatedly repair utilization.

Claims

1. new glass-lined reactor; It is characterized in that; Comprise can body (1) through being up to the standards, said can body (1) comprise through be up to the standards new in stack shell (2) and new external jacket (3) through being up to the standards, said new interior stack shell (2) comprises straight stack shell (2.1) and the interior end socket spare (2.2) that is connected straight stack shell (2.1); Said new interior stack shell (2) and the new integrally welded structure of external jacket (3), and be cavity (6) between the two; The big flange of equipment (5) that is provided with suitable for reading of said new interior stack shell (2); End opening is provided with discharging opening flange (24); Blackening has enamel for glassed steel layer (7) on the inwall of said newly interior stack shell (2), and the butt joint straight weld (2.11) on the said new interior stack shell outer wall is surperficial, upward butt girth welding seam (2.12) is surperficial has enamel to protect glaze layer (8) with the surperficial equal blackening of following butt girth welding seam (2.13); Said new external jacket (3) comprise band close up (3.12) chuck body (3.1) with band that the chuck body is connected in the end socket spare (3.2) of ring (3.22), butt joint straight weld (3.11) surface on the said new external jacket inwall has enamel to protect glaze layer (8) with the equal blackening in butt girth welding seam (3.21) surface; Said new external jacket (3), its steel plate thickness thickens 2-6mm by the design standard of two types of glassed steel pressure vessels, and is welded into overall structure by chuck body (3.1) and the interior end socket spare (3.2) that encircles of band that band closes up.

2. new glass-lined reactor as claimed in claim 1 is characterized in that, the steel plate thickness of said new external jacket (3) thickens 2-10mm by the design standard of two types of glassed steel pressure vessels.

3. according to claim 1 or claim 2 new glass-lined reactor; It is characterized in that; Said can body (1) also comprises many group reinforcement steel strength plates (4); Said many groups are strengthened steel strength plates (4) and are located between closing in (3.12) position of the big flange of equipment (5) and new external jacket, and are symmetrical Combination Welding along the circumference of the big flange of equipment (5) and form

4. new glass-lined reactor as claimed in claim 3 is characterized in that, the minimax diameter difference≤1mm of the big flange of said equipment (5), flatness tolerance≤1mm, seal face width>=35mm; The thickness of the enamel for glassed steel layer (7) on said new interior stack shell (2) inwall is 0.8-1.3mm; Said enamel for glassed steel layer (7) is 0 according to the pinhole number of the standard detection of GB25025-2010.

5. like the manufacturing approach of the arbitrary described new glass-lined reactor of claim 1-4, specifically comprise the steps:

1) makes the chuck body (3.1) of band closing in and the end socket spare (3.2) of the interior ring of band respectively, and be welded into overall structure, obtain integrally-built new external jacket (3);

2) make new in stack shell and on one's body butt joint straight weld of new inner core, go up butt girth welding seam and following butt girth welding seam carries out x-ray inspection by the standard of two types of pressure vessel safeties supervision rules, obtain to meet the new interior stack shell (2) of two types of pressure vessel safeties supervision rules;

3) butt joint straight weld on the new external jacket and butt girth welding seam are carried out x-ray inspection by the standard of two types of pressure vessel safety supervision rules, obtain to meet the new external jacket (3) of two types of pressure vessel safety supervision rules;

4) will through be up to the standards new on the outer wall of stack shell butt joint straight weld (2.11) surface, go up butt girth welding seam (2.12) surface and protect glaze slip layer (8) with following butt girth welding seam (2.13) surfaces coated enamel;

5) will protect glaze slip layer (8) with butt girth welding seam (3.21) surfaces coated enamel through the surface of the butt joint straight weld (3.11) on the inwall of the new external jacket that is up to the standards;

8) inwall to stack shell in new carries out the spraying of enamel glaze slip, obtains the can body (1) of inner-wall spraying enamel for glassed steel layer (7);

9) adopt precise controlled internal heated electric furnace that the can body of inner-wall spraying enamel for glassed steel layer is fired, control consistent, the synchronous one of each position heating temperature when wherein firing and fire with intelligent temperature programme-control/adjusting/recorder;

10) with the can body of retort adopt said inner-heat type electric furnace with intelligent temperature programme-control/adjustings/recorder to said can body repeatedly enamel firing repeatedly and all earlier the inwall of new interior stack shell is carried out the spraying of enamel for glassed steel layer before each enamel firing;

11) heat tracing slowly cooled off after the retort of last being fired was come out of the stove, and obtained said new glass-lined reactor.

6. the manufacturing approach of new glass-lined reactor as claimed in claim 5 is characterized in that, in step 8) and the step 10), full-automatic spraying glaze slip equipment (9) is adopted in said spraying; Said full-automatic spraying glaze slip equipment (9) comprises the locating rack (9.1) and the bolt arrangement propeller (9.2) of automatic rotation; Said bolt arrangement propeller (9.2) is provided with support (9.8); Said support (9.8) comprises the horizon bar (9.9) and the knighthead that is connected with horizon bar (9.10) of bottom; Said knighthead (9.10) is provided with glaze slip storage tube (9.5), runner pipe (9.6), pneumatic compression injector (9.4) and the umbrella shape high speed rotary sprayer (9.3) that connects successively, and said support (9.8) rolls with many groups fixed pulley (9.11) of bolt arrangement propeller (9.2) through the horizon bar bottom and is connected; Implement quantitative spraying method at the uniform velocity during said the spraying.

7. the manufacturing approach of new glass-lined reactor as claimed in claim 5; It is characterized in that; In step 9) and the step 10), said inner-heat type electric furnace comprise the insulation cylindrical shell (12), said insulation cylindrical shell (12) but the top is provided with the holding furnace roof door (14) of one group of folding; Said holding furnace roof door (14) is provided with the goods suspension bracket rotation part (15) that runs through the holding furnace roof door, and the bottom of said goods suspension bracket rotation part also is provided with facet electric furnace (16); Said inner-heat type electric furnace comprises that also the main body that is positioned at insulation cylindrical shell (12) adds electrothermal stove (10), and said main body adds cylinder electric furnace (18) and the round platform stairstepping electric furnace (19) that electrothermal stove (10) from bottom to top comprises plane of a loop electric furnace (17), multi-layer area combination successively; Also be provided with plane of a loop stove lifters (13) under the said plane of a loop electric furnace (17); The plane of a loop of said plane of a loop electric furnace (17) is provided with the different concentric groove of many loop diameters, and said plane of a loop electric furnace (17) is one group of heating of coiling (17.1) in many circle concentric grooves; The annulus that cylinder electric furnace (18) is identical the polylith diameter and central shaft overlaps dull and stereotyped (20) of said multi-layer area combination is formed by stacking; The dull and stereotyped outer perimeter wall of said every annulus is provided with annular groove, one group of heating of coiling (18.1), (18.2), (18.3), (18.4), (18.5), (18.6), (18.7) in the groove of every 5-8 layer ring plate; Said round platform stairstepping electric furnace (19) is formed by stacking the annulus flat board that polylith diameter difference and central shaft overlap; The outer perimeter wall of said every annulus flat board (21) is provided with the stairstepping ring-shaped platform, and said round platform stairstepping electric furnace (19) is one group of coiling and the akin heating of interior end socket spare (2.2) modeling structure (19.1) on 5-8 layer stairstepping ring-shaped platform; The all supporting temperature-controlling system that is provided with the unit grouping of each group heating.

8. the manufacturing approach of new glass-lined reactor as claimed in claim 7; It is characterized in that; It is close with the modeling structure of the new interior stack shell (2) of said can body that said main body adds the overall structure moulding of electrothermal stove (10); The cylinder electric furnace (18) of said plane of a loop electric furnace (17), multi-layer area combination and round platform stairstepping electric furnace (19) correspond respectively to new in the big flange of equipment (5), the straight stack shell (2) and interior end socket spare (2.2) of stack shell (2), and the spacing between the corresponding component of each electric furnace newly interior stack shell corresponding with it can be set or set up.

9. the manufacturing approach of new glass-lined reactor as claimed in claim 7; It is characterized in that; The temperature-controlling system that said unit divides into groups comprises temperature element and intelligent temperature programme-control/adjusting/recorder; Each group heating (17.1), (18.1), (18.2), (18.3), (18.4), (18.5), (18.6) (18.7), (19.1) all connect supporting temperature element (22.1), (22.2), (22.3), (22.4), (22.5), (22.6), (22.7), (22.8), (22.9), and every group of temperature element all connects supporting intelligent temperature programme-control/adjusting/recorder (23).

10. the manufacturing approach of new glass-lined reactor as claimed in claim 9; It is characterized in that; All in the sintering procedure, the required controlled firing temperature curve of the actual temperature that can set and control its intensification of firing, insulation and cooling accurately and said glass-lined reactor is consistent in each of said new glass-lined reactor can body for said intelligent temperature programme-control/adjusting/recorder.

11. the manufacturing approach of new glass-lined reactor as claimed in claim 5 is characterized in that, in the step 11), the cooling rate that said heat tracing slowly cools off is controlled at and was cooled to 150 ℃ in 6-10 hour.