CN205248201U - Fuse curing equipment - Google Patents

Abstract

The utility model relates to a fuse curing equipment, include: the boiler plant, it includes the shell, forms heating chamber in the shell, respectively with fluid infusion pipeline and the drain line and the heating of heating chamber intercommunication the electric heating unit in heating chamber, the solidification equipment, it includes the casing, forms solidification chamber in the casing, with the dump line of solidification chamber intercommunication and right solidify the vacuum tube way of chamber evacuation and install in order to open or be sealed on the casing the door structure in solidification chamber, the heating chamber of boiler plant with be equipped with the flow path that supplies the circulation of high temperature high pressure steam between the solidification chamber of solidification equipment, and controlling means, control the boiler plant with fuse solidification process flow is accomplished to the solidification equipment. The utility model discloses can improve fuse solidification technology and pollution abatement.

Description

Fuse curing apparatus

Technical field

The utility model relates to fuse and manufactures field, in particular to fuse curing apparatus.

Background technology

At present fuse quartz sand solidifies mainly with sodium metasilicate as curing agent, and conventional process has two kinds, and the fuse that pours into quartz sand is directly immersed sodium silicate solution by the first, makes sodium silicate solution naturally osmotic in the gap of quartz sand; It two is sodium silicate solution for example to be injected by needle tubing or the mode of pump pressurization is injected in the gap of the quartz sand in fuse. In these two kinds of processes, all need experience that fuse is put into the moisture evaporation in the sodium silicate solution that high temperature oven makes its inner quartz sand space for a long time, thereby by the step of quartz sand and sodium metasilicate condensation cure.

But, the problem that this process faces is that the addition of sodium metasilicate is not easy control, easy contaminated environment, time consumption and energy consumption, if and the interstitial air of quartz sand and moisture in curing schedule completely discharge can cause part quartz sand to solidify not exclusively, residual air can make fuse expanded by heating under the effect that triggers electric arc, causes fuse shell explosion.

Therefore, in industry, there is demand for improving fuse curing process and relevant device.

Utility model content

The utility model aims to provide a kind of fuse curing apparatus that improves fuse curing process and reduce pollution.

For this reason, in a scheme of the present utility model, a kind of fuse curing apparatus is provided, comprises: boiler plant, it comprises shell, be formed on heating chamber in described shell, replenishing line and the drain line being communicated with described heating chamber respectively and the electric heating unit that heats described heating chamber; Solidification equipment, it comprises housing, be formed on the curing chamber in described housing, the exhaust line being communicated with described curing chamber and the vacuum-pumping pipeline that described curing chamber is vacuumized and be arranged on described housing to open or to seal the door in described curing chamber, is provided with the stream for high temperature and high pressure steam circulation between the curing chamber of the heating chamber of described boiler plant and described solidification equipment; And control device, control described boiler plant and solidification equipment and complete fuse curing process flow process.

Boiler plant generates for delivery of to the high temperature and high pressure steam of solidification equipment, realizes and solidifying solidifying product in chamber is handled the series of process flow processs such as vacuumizing of carrying out, alternately admission, exhaust through controlled device after. The height of the curing cavity pressure of sealing alternately changes steam can be penetrated in the gap of the quartz sand that is attached with sodium metasilicate equably, forms good homogeneity of product. In addition, whole technical process is carried out in the curing chamber of sealing, and environment does not exert an influence to external world, also environmentally safe of the steam of discharge.

According to specific embodiment of the utility model, described solidification equipment comprises interlayer outer wall, the interlayer inwall being located in described housing and the mezzanine space limiting between described interlayer outer wall and described interlayer inwall, described heating chamber is communicated with described mezzanine space by the first steam supply pipeline, described mezzanine space is communicated with described curing chamber by the second steam supply pipeline, thereby the stream that forms described high temperature and high pressure steam circulation is filled with insulation material between described interlayer outer wall and described housing. Thus, high temperature and high pressure steam is able to circulate between heating chamber and curing chamber, and the heat-insulation layer being incubated solidifying chamber is provided, and contributes to solidify chamber slowly step-down in technical process, produces the good fuse of solidification effect.

In a preferred embodiment, one end of the described mezzanine space of connection of described the second steam supply pipeline is located at the top of described housing, and the one end in the described curing chamber of connection of described the second steam supply pipeline and described door are located at respectively on longitudinal two ends of described housing. Thus, high temperature and high pressure steam flows into and flows to the other end from one end of housing, makes steam uniform-flow cross the fuse in chamber, prevents sinuous flow.

According to specific embodiment of the utility model, fuse curing apparatus also comprises automatic liquid supply device, and this automatic liquid supply device comprises in the described heating chamber of induction height of liquid level and generates the liquid level sensor of control signal and be located on described replenishing line and receive the make-up valve of described control signal. Can carry out automatic liquid supply according to height of liquid level situation in heating chamber thus, overcome manual observation fluid infusion and easily cause the problem of dry combustion method.

In a preferred embodiment, described automatic liquid supply device also comprises liquid level gauge, and described liquid level gauge comprises the observation window and the scale that are formed on described liquid level sensor. Thus, as supplementing of automatic liquid supply, can also conveniently carry out manual observation to height of liquid level in heating chamber.

According to specific embodiment of the utility model, described boiler plant also comprises that extremely described control device is to maintain the pressure switch of the pressure stability in described heating chamber for sending feedback signal, and described pressure switch is arranged on the described shell of described boiler plant. Realize thus the automatic control to heating process.

According to specific embodiment of the utility model, fuse curing apparatus also comprises vacuum extractor, described vacuum extractor comprise be located in described vacuum-pumping pipeline and with the vacuum pumping valve of described control device electrical connection and the vacuum pumping pump being communicated with one end of described vacuum-pumping pipeline, the other end of described vacuum-pumping pipeline is communicated with described curing chamber and is located at respectively on longitudinal two ends of described housing with described door. Can realize simply thus technique required vacuumize step.

In a preferred embodiment, fuse curing apparatus also comprises the described curing cavity pressure of induction and sends the pressure sensor of induced signal to described control device. Can realize thus the real-time grasp to solidifying cavity pressure, adjust cavity pressure value according to default technological parameter in time, complete smoothly curing process.

According to specific embodiment of the utility model, described heating chamber and described curing chamber are provided with pressure relief pipe separately, and converge to common drainage pipeline, described exhaust line is communicated to the described pressure relief pipe in described curing chamber, and described exhaust line is provided with the exhaust steam valve being electrically connected with described control device. Provide thus simple appearance manageable steam exhaust structure, and improved the safety coefficient of equipment.

According to specific embodiment of the utility model, described door comprises the safety self-locking mechanism of locking while being constructed to have malleation in described curing chamber. Can prevent from thus solidifying door while having normal pressure in chamber and open, cause high temperature and high pressure steam to hurt sb.'s feelings, improve the safety coefficient of equipment.

A part for other features and advantages of the utility model will be that those skilled in the art are obvious after reading the application, and another part will be described by reference to the accompanying drawings in detailed description of the invention below.

Brief description of the drawings

Below, describe by reference to the accompanying drawings embodiment of the present utility model in detail, wherein:

Fig. 1 shows according to the schematic three dimensional views of the fuse curing apparatus of embodiment of the present utility model;

Fig. 2 shows the schematic three dimensional views of the fuse curing apparatus of seeing from the angle contrary with Fig. 1;

Fig. 3 shows the A place enlarged drawing according to Fig. 1;

Fig. 4 shows according to the cross section view of the solidification equipment of embodiment of the present utility model; And

Fig. 5 shows the longitudinal section cutaway view according to the solidification equipment of embodiment of the present utility model.

In the utility model, same or analogous Reference numeral represents same or analogous feature.

Description of reference numerals:

100, fuse curing apparatus; 3, boiler plant; 31, shell; 32, electric heating unit; 33, replenishing line; 331, make-up valve; 333, liquid level sensor; 34, pressure switch; 35, pressure relief pipe; 351, safety valve; 36, drain line; 361, tapping valve; 37, pressure monitoring unit; 38, liquid level gauge; 381, observation window; 382, scale; 5, solidification equipment; 51, housing; 510, insulation material; 511, roof; 512, sidewall; 513, sidewall; 514, sidewall; 515, sidewall; 516, interlayer outer wall; 517, interlayer inwall; 518, mezzanine space; 519, the first steam supply pipeline; 52, door; 53, pressure sensor; 54, the second steam supply pipeline; 541, steam supply valve; 55, exhaust line; 551, exhaust steam valve; 56, vacuum-pumping pipeline; 561, vacuum pumping valve; 57, pressure relief pipe; 571, safety valve; 58, pressure monitoring unit; 59, solidify chamber; 7, control device; 71, pressure real time record unit; 73, alarm unit; 8, drainage pipeline; 9, vacuum pumping pump

Detailed description of the invention

Description, the exemplary scheme of the disclosed fuse curing apparatus of detailed description the utility model. Although it is in order to present embodiments more of the present utility model that accompanying drawing is provided, accompanying drawing needn't be drawn by the size of specific embodiments, and some feature can be exaggerated, remove or disclosure of the present utility model is cutd open to illustrate better and explain by office. Partial component in accompanying drawing can be carried out according to the actual requirements position adjustment under the prerequisite of influence technique effect not. The phrase " in the accompanying drawings " or the similar term that in description, occur needn't be with reference to institute's drawings attached or examples.

Be used to hereinafter describe some directional terminology of accompanying drawing, for example " interior ", " outward ", " left side ", " right side ", " upwards ", " downwards " and other directional terminology, have its normal implication by being understood to and make a comment or criticism related those directions while often seeing accompanying drawing. Except as otherwise indicating, directional terminology is substantially according to conventional direction understood by one of ordinary skill in the art described in this description.

The term " first ", " second " and the similar terms thereof that in the utility model, use do not represent any order, quantity or importance in the utility model, but for parts and other parts are distinguished.

As shown in Figures 1 to 5, the utility model relates to a kind of fuse curing apparatus 100, comprise boiler plant 3, the solidification equipment 5 associated with boiler plant 3 and control respectively boiler plant 3 and solidification equipment 5 to realize the control device 7 of whole fuse curing process flow process.

According to boiler plant 3 of the present utility model exemplary illustrating in Fig. 1 to Fig. 3, it can be for example electrically heated boiler, comprises shell 31, replenishing line 33, drain line 36, electric heating unit 32, pressure switch 34 and pressure relief pipe 35. In its housing 31, be formed with the heating chamber that generates the required for example high temperature and high pressure steam of pressure fluid of curing process. The end that replenishing line 33 is communicated with heating chamber is located at one end of shell 31 top (as shown in Figure 1) near shell 31, to continue generating high temperature and high pressure steam, avoids dry combustion method for for example pure water of liquid make-up in heating chamber.

The fluid infusion process of replenishing line 33 can be automatically to complete, for example, by automatic liquid supply device, or by manually completing. Fig. 1 and Fig. 2 show a kind of embodiment of automatic liquid supply device. This automatic liquid supply device comprises liquid level sensor 333 and make-up valve 331. Wherein liquid level sensor 333 is communicated with heating chamber by pipeline, for eddy-current heating intraluminal fluid position height situation and generate corresponding control signal. Make-up valve 331 is located on replenishing line 33 and with liquid level sensor 333 and is electrically connected. Generate control signal and send to make-up valve 331 when liquid level sensor 333 sensed when liquid level in heating chamber is lower than its predetermined value, after make-up valve 331 reception control signals, open, allow liquid to enter heating chamber through replenishing line 33. In like manner, in the time that liquid level sensor 333 senses that liquid level in heating chamber is equal to or higher than its predetermined value, control make-up valve 331 and close, stop to fluid infusion in heating chamber.

Although the present embodiment only shows automatic liquid supply device, it will be understood by those skilled in the art that boiler plant 3 also can, by manually carrying out fluid infusion, substitute automatic liquid supply device. For example on replenishing line 33, be provided with the valve of hand switch, by manually opening or closing fluid infusion or stopping fluid infusion.

In addition, the position of replenishing line 33 and make-up valve 331 also can be adjusted, the end that for example replenishing line 33 is communicated with heating chamber also can be stretched in the space between boiler plant 3 and solidification equipment 5 and be located in the circle wall of shell 31, make-up valve 331 is located on replenishing line 33 and between boiler plant 3 and solidification equipment 5 simultaneously.

Boiler plant 3 also can be provided with for example liquid level gauge 38 of liquid level observation unit for manual observation height of liquid level. In a specific embodiment shown in Fig. 3, liquid level gauge 38 is formed on liquid level sensor 333. The housing of liquid level sensor 333 is provided with the observation window 381 for manual observation, and the height of liquid level situation in heating chamber can directly show by this observation window 381, and observation window 381 both sides are provided with concrete scale 382.

The end that drain line 36 is communicated with heating chamber is located at one end of shell 31 and near the bottom (as shown in Figure 1) of shell 31, in the time changing heating intracavity liquid or curing process complete after by chamber in residual liquid discharge. Drain line 36 is provided with and allows liquid to discharge or block the exercisable tapping valve 361 that liquid is discharged.

Electric heating unit 32 is connected to heating chamber, for heating the liquid that is positioned at heating chamber to generate pressure fluid. Electric heating unit 32 and the pressure switch 34 that is mounted to the outer surface of shell 31 are electrically connected with control device 7 respectively. Pressure size in pressure switch 34 eddy-current heating chambeies also generates feedback signal to control device 7, control device 7 judges whether to need heating and controls thus electric heating unit 32 and heat or stop heating according to this feedback signal, basicly stable at a steady state value to ensure the pressure in heating chamber. For example in the time that control device 7 is judged heating chamber internal pressure value and is greater than its predetermined value according to the feedback signal of pressure switch 34 by generation control signal and send to electric heating unit 32, make electric heating unit 32 stop heating. Similarly, when control device 7 is judged and will be controlled heating unit 32 when heating chamber internal pressure value is less than or equal to its predetermined value and start heating according to the feedback signal of pressure switch 34.

In addition,, in order further to guarantee safety, heating chamber also can Bonding pressure monitoring means 37, for the force value in manual observation heating chamber.

Pressure relief pipe 35 can prevent the excessive safety problem that causes of heating chamber internal pressure under fortuitous event. One end of pressure relief pipe 35 is communicated with heating chamber, and this one end is located at respectively on the opposite end of shell 31 with the end that described replenishing line 33 is communicated with heating chamber. Pressure relief pipe 35 is provided with and allows relieving pressure fluid or block the safety valve 351 of releasing. In the time that heating chamber internal pressure exceedes predetermined value, safety valve 351 opens to reduce cavity pressure automatically, guarantees device security.

According to solidification equipment 5 of the present utility model exemplary illustrating in Fig. 1 and Fig. 2, it comprises housing 51, door 52, the first steam supply pipeline 519, the second steam supply pipeline 54, exhaust line 55 and vacuum-pumping pipeline 56. Housing 51 is for example cuboid and has roof 511, diapire and four sidewalls 512,513,514,515. In housing 51, be provided with sandwich, thereby housing 51 interior separations gone out to curing chamber 59 for holding fuse and for receiving and hold the mezzanine space 518 of pressure fluid. Mezzanine space 518 is for example communicated with heating chamber and curing chamber 59 by pipeline, forms thus the stream circulating to curing chamber 59 from heating chamber for pressure fluid.

In a specific embodiment shown in Fig. 4 and Fig. 5, the common interlayer outer wall 516 that forms sandwich and interlayer inwall 517 are all along the circumferential extension of housing 51, thereby between interlayer outer wall 516 and interlayer inwall 517, limit mezzanine space 518, surround a cavity as curing chamber 59 by interlayer inwall 517 simultaneously. For example heat-preservation cotton of fill insulant material 510 between interlayer outer wall 516 and housing 51, to slow down the interior temperature decrease speed in curing chamber 59 in curing process. Between mezzanine space 518 and heating chamber, be communicated with by the first steam supply pipeline 519, be communicated with by the second steam supply pipeline 54 and solidify between chamber 59 and mezzanine space 518.

The second steam supply pipeline 54 is for from mezzanine space 518 to the required high temperature and high pressure steam of the interior input curing process in curing chamber 59. Preferably, one end of the connection mezzanine space 518 of the second steam supply pipeline 54 is located at roof 511 central parts of described housing 51, one end that chamber 59 is solidified in the connection of the second steam supply pipeline 54 be located at described housing 51 with roof 511 in abutting connection with and with described door 52 place sidewalls 512 on relative sidewall 513, high temperature and high pressure steam is entered along the direction of arrow shown in Fig. 5 from the one end of solidifying chamber 59, fuse is crossed and be distributed to uniform-flow, prevents sinuous flow. On the second steam supply pipeline 54, be provided with the control valve that allows high temperature and high pressure steam to enter curing chamber 516 or block inflow. This control valve can be for example electrically connected with control device 7 and control by it steam supply valve 541 opening and closing, and as ratio adjusting valve, can automatically regulate according to the pressure of required high temperature and high pressure steam and flow. The high temperature and high pressure steam generating in heating chamber enters and is stored in mezzanine space 518 by the first steam supply pipeline 519, and after steam supply valve 541 is opened, high temperature and high pressure steam enters and solidifies chamber 59 to complete curing process.

The aforesaid pressure monitoring unit 37 for manual observation heating chamber internal pressure value also can be located on the roof 511 of housing 51 and be communicated with sandwich part 517, thereby obtains the force value in heating chamber.

As previously mentioned, door 52 is mounted to the sidewall 512 of housing 51 and is oppositely arranged with the end being communicated with curing chamber 516 of the second steam supply pipeline 54. This door 52 for example can pivotable solidifies chamber 59 to open or to seal. In the time that chamber 59 is solidified in door 52 sealings, solidify the interior formation seal cavity in chamber 59, contribute to vapor permeation to enter in quartz sand and prevent contaminated environment. Door 52 can be provided with safety self-locking mechanism, and when curing chamber 59 is interior while there is malleation, door 52 self-lockings, avoid solidifying while having malleation in chamber 59 door 52 and flick and cause high temperature and high pressure steam ejection to be hurted sb.'s feelings.

Exhaust line 55 is for discharging high temperature and high pressure steam according to technique initialization from solidifying chamber 59, and its one end that is communicated with curing chamber 59 is located at the end away from door 52 of sidewall 514. On exhaust line 55, be provided with the control valve that allows to discharge high temperature and high pressure steam or block discharge. This control valve can be for example electrically connected with control device 7 and control by it exhaust steam valve 551 opening and closing.

Vacuum-pumping pipeline 56 connects vacuum extractor for example vacuum pumping pump 9 and vacuum pumping valve 561 for realizing the required curing chamber evacuation of execution technical process. In a specific embodiment, one end of vacuum-pumping pipeline 56 is communicated with curing chamber 59, and is located at the below of sidewall 513 bottoms, the second steam supply pipeline 54; The other end of vacuum-pumping pipeline 56 is communicated with vacuum pumping pump 9. Vacuum pumping valve 561 and control device 7 are electrically connected and are located in vacuum-pumping pipeline 56 and to vacuumize allowing to vacuumize or block.

Can solidify chamber 59 internal pressure sizes by Real-Time Monitoring for the ease of control device 7, complete designed curing process pressure control procedure, for example in vacuum-pumping pipeline 56 and between vacuum pumping valve 561 and curing chamber 59, be provided with pressure sensor 53, it is electrically connected with control device 7, in real time the curing chamber sensing 59 internal pressure values are transferred to control device 7, guarantee that curing process completes smoothly. Or pressure sensor 53 also can be located at and be communicated with on other pipelines that solidify chamber 59. In addition, solidify chamber 59 and also can be connected with the pressure monitoring unit 58 for personal monitoring's pressure.

Similar with heating chamber, solidify chamber 59 and also can be communicated with the pressure relief pipe 57 that is provided with safety valve 571, to prevent the excessive safety problem that causes of heating chamber internal pressure under fortuitous event. This pressure relief pipe 57 can converge to common drainage pipeline 8 with the pressure relief pipe of aforesaid heating chamber 35.

According to control device 7 of the present utility model exemplary illustrating in Fig. 1 and Fig. 2, it is for example electrical control cubicles, comprises pressure real time record unit 71, alarm unit 73 and switch and relay unit. Wherein pressure real time record unit 71 is the curing process for writing and store fuse, and instruction executive component is carried out and by execution result real time record. Alarm unit 73 is for example to completing and remind because of on the low side caused danger or the technique of heating intracavity liquid. Switch and relay unit are for carrying out the middle control procedure of process.

To introduce in detail the process of implementing curing process according to the fuse curing apparatus 100 of embodiment of the present utility model of utilizing below:

1, the preparation before curing process:

(1) quartz sand is carried out to pretreatment: 1. sieve is husky: remove dust and foreign matter in quartz sand; 2. mulling: sodium metasilicate is wrapped in to quartz sand surface;

(2) fuse is carried out to pretreatment: 1. fill with sand: the quartz sand that mixes sodium metasilicate is filled to fuse inner chamber, and make it reach the desired packing of technique; 2. tamponade: filling sand hole is blocked with stopper, prevented that quartz sand from leaking, but simultaneously stopper is for example formed with aperture and easily passes in and out as steam to ensure pressure fluid.

(3) put the fuse of filling quartz sand into pre-heating device, carry out the pre-heat treatment according to technological requirement.

(4) boiler plant of curing apparatus is opened, be heated to the pressure limit of technological requirement, generate required high temperature and high pressure steam.

(5) fuse that completes preheating is placed in and solidifies in chamber 59, close door 52 locking.

2, curing process:

(1) starting pressure real time record unit 71.

(2) control device 7 is opened vacuum pumping valve 561 in the technique initialization time, start to vacuumize until solidify chamber 59 and reach predetermined vacuum level pressure, air in the inner quartz sand of fuse space is reduced with pressure and flow out from the aperture of stopper, in quartz sand space, form negative pressure.

(3) control device 7 is controlled steam supply valve 541 and is opened, high temperature and high pressure steam is filled into uniformly and is solidified in chamber 59, high temperature and high pressure steam is entered in quartz sand space by the aperture of fuse stopper, the sodium metasilicate that quartz sand surface has been wrapped dissolves, and the sodium metasilicate of dissolving firmly links together adjacent quartz sand particle.

(4) control device 7 is opened exhaust steam valve 551 in the technique initialization time, discharges high temperature and high pressure steam to reduce the pressure solidifying in chamber 59.

(5) come repeating step (3) and (4) according to technique initialization, make steam supply valve 541 and exhaust steam valve 551 alternation switches, thereby the pressure size of solidifying in chamber 59 alternately changes, impel high temperature and high pressure steam fully to enter fuse inside, help the sodium metasilicate of all quartz sand surfaces in fuse to dissolve.

(6) close steam supply valve 541 and exhaust steam valve 551, solidify chamber 95 internal pressures and be slowly reduced to and approach normal pressure under the temperature protection of insulation material 510, within the process stipulation time, make all sodium metasilicate fully dissolve after dehydration.

(7) open exhaust steam valve 551, will solidify the interior residue vapor in chamber 59 and discharge.

(8) close exhaust steam valve 551, open vacuum pumping valve 561, carry out vacuum to solidifying chamber 59, until reach time and the vacuum of technique initialization, impel residual fluid in fuse outwards to shed.

(9) close vacuum pumping valve 561, make to solidify chamber 59 internal pressures and rise to normal pressure. Open door 52, take out product and carry out cooling. Now sodium metasilicate and quartz sand are solidified into the solid with certain shatter value, realize isolation completely and absorption to fuse electric arc.

The fuse obtaining according to curing process of the present utility model, can either reach arc quenching effect, can prevent that again in solidification process, fuse housing is broken, and the danger that the quartz sand solid with certain shatter value can also be exploded in solidification process reduces simultaneously.

Claims (10)

1. a fuse curing apparatus (100), is characterized in that, comprising:

Boiler plant (3), it comprises shell (31), be formed on heating chamber in described shell (31), replenishing line (33) and the drain line (36) being communicated with described heating chamber respectively and the electric heating unit (32) that heats described heating chamber;

Solidification equipment (5), it comprises housing (51), is formed on curing chamber (59), the exhaust line (55) being communicated with described curing chamber (59) and the vacuum-pumping pipeline (56) that described curing chamber (59) is vacuumized in described housing (51) and is arranged on described housing (51) upper to open or to seal the door (52) in described curing chamber (59), is provided with the stream for high temperature and high pressure steam circulation between the heating chamber of described boiler plant (3) and the curing chamber (59) of described solidification equipment (5); And

Control device (7), controls described boiler plant (3) and described solidification equipment (5) completes fuse curing process flow process.

2. fuse curing apparatus according to claim 1 (100), it is characterized in that, described solidification equipment (5) comprises the interlayer outer wall (516) being located in described housing (51), interlayer inwall (517) and the mezzanine space (518) limiting between described interlayer outer wall (516) and described interlayer inwall (517), described heating chamber is communicated with described mezzanine space (518) by the first steam supply pipeline (519), described mezzanine space (518) is communicated with described curing chamber (59) by the second steam supply pipeline (54), thereby form the stream of described high temperature and high pressure steam circulation, between described interlayer outer wall (516) and described housing (51), be filled with insulation material (510).

3. fuse curing apparatus according to claim 2 (100), it is characterized in that, one end of the described mezzanine space of connection (518) of described the second steam supply pipeline (54) is located at the top of described housing (51), and one end and the described door (52) in the described curing chamber of connection (59) of described the second steam supply pipeline (54) are located at respectively on longitudinal two ends of described housing (51).

4. according to the fuse curing apparatus (100) described in any one in claims 1 to 3, it is characterized in that, also comprise automatic liquid supply device, this automatic liquid supply device comprises the interior height of liquid level of the described heating chamber of induction and generates the liquid level sensor (333) of control signal and be located at described replenishing line (33) make-up valve (331) that goes up and receive described control signal.

5. fuse curing apparatus according to claim 4 (100), it is characterized in that, described automatic liquid supply device also comprises liquid level gauge (38), and described liquid level gauge (38) comprises the observation window (381) and the scale (382) that are formed on described liquid level sensor (333).

6. according to the fuse curing apparatus (100) described in any one in claims 1 to 3, it is characterized in that, described boiler plant (3) also comprises that extremely described control device (7) is to maintain the pressure switch (34) of the pressure stability in described heating chamber for sending feedback signal, and described pressure switch (34) is arranged on the described shell (31) of described boiler plant (3).

7. according to the fuse curing apparatus (100) described in any one in claims 1 to 3, it is characterized in that, also comprise vacuum extractor, described vacuum extractor comprises the vacuum pumping valve (561) that is located at described vacuum-pumping pipeline (56) above and be electrically connected with described control device (7) and the vacuum pumping pump (9) being communicated with one end of described vacuum-pumping pipeline (56), the other end of described vacuum-pumping pipeline (56) is communicated with described curing chamber (59) and is located at respectively on longitudinal two ends of described housing (51) with described door (52).

8. fuse curing apparatus according to claim 7 (100), it is characterized in that, also comprise induction described curing chamber (59) internal pressure and send the pressure sensor (53) of induced signal to described control device (7).

9. according to the fuse curing apparatus (100) described in any one in claims 1 to 3, it is characterized in that, described heating chamber and described curing chamber (59) are provided with pressure relief pipe (35 separately, 57), and converge to common drainage pipeline (8), described exhaust line (55) is communicated to the described pressure relief pipe (57) in described curing chamber (59), and described exhaust line (55) is provided with the exhaust steam valve (551) being electrically connected with described control device (7).

10. according to the fuse curing apparatus (100) described in any one in claims 1 to 3, it is characterized in that, described door (52) comprises the safety self-locking mechanism of locking while being constructed to have malleation in described curing chamber (59).