CN207859083U - Nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system - Google Patents

Abstract

The utility model is related to refractory brick production technical fields, especially design nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system, including feed mechanism, feeding mechanism, shaping mechanism and output mechanism, feeding mechanism include transfer bin and buffering chamber；Shaping mechanism includes molding assembly, ballast component, by the jack-ups component of base brick after molding abjection in molding assembly, control transmission component and dust removal assembly that transfer bin feeds molding assembly, transmission component is connected with ballast component and transfer bin respectively, and dust removal assembly includes dust removing funnel and switching part；Output mechanism is located at the side of shaping mechanism, carries out base brick output；Realize that the quantitative automatic transmission of single base brick raw material, the automatic cleaning of powder and blank export automatically through transmission component and dust removal assembly respectively in carrying out base brick pressing process by ballast component, the magnesia carbon brick internal tightness consistency of preparation is good, intensity is high, substantially improves the performance of ladle.

Description

Nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system

Technical field

The utility model is related to refractory brick production technical field more particularly to nuclear power steel ladle High Strength Magnesia-carbon Bricks are automatic Change production system.

Background technology

China is worldwide refractory brick production base, and domestic and international market demand prospect is wide, and China has had There are perfect refractory brick professional technique and production technology, but technology is far lagged behind in terms of refractory brick automated production equipment development With the development level of technique, most domestic producer mainly based on pure manual operating equipment or semiautomatic equipment, often exists Feeding and base brick output facet after molding are with manual operation；And artificial loading majority is former needed for individual base brick to judge with experience Material number, it is low so as to cause its working efficiency and product quality；By its for more demanding nuclear power steel with magnesia carbon brick more To be apparent, since ladle refractory brick is compared to cast iron refractory brick, it is required that swivel tight ness rating and heat-resisting quantity higher；So Research and develop high degree of automation as early as possible, cost-effective professional production equipment has become manufacturing enterprise's urgent problem in the industry.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, to provide nuclear power steel ladle High Strength Magnesia-carbon Bricks Mechanized production system realizes list through transmission component and dust removal assembly respectively by ballast component in carrying out base brick pressing process The quantitative automatic transmission of a base brick raw material, the automatic cleaning of powder and blank export automatically, solve original of the existing technology Expect the technical problem that loading is uneven and production efficiency is low.

In order to solve the above technical problems, the utility model provides the following technical solutions：

Nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system, including feed mechanism；Further include：

Feeding mechanism, the feeding mechanism include carrying out the transfer bin of raw material transfer and to transfer bin interruption feed Buffering chamber；

Shaping mechanism, the shaping mechanism includes the molding assembly carried for raw material, this will be in a manner of ballast at The ballast component, the jack-up component by base brick after molding is deviate from molding assembly, control of base brick is made in raw material in type component The transfer bin to molding assembly be interrupted quantitative feeding transmission component and be set to the molding assembly side and with it is described Ballast component be sequentially connected carry out dust collection dust removal assembly, the transmission component respectively with the ballast component and transfer bin It is connected, the dust removal assembly includes dust removing funnel and be connected to control with the ballast component to form windstream in dust removing funnel Switching part；And

Output mechanism, the output mechanism are located at the side of the shaping mechanism, carry out base brick output.

Wherein, the shaping mechanism further includes rack, the molding assembly, ballast component, jack up component, transmission component and Dust removal assembly may be contained in the rack, and the molding assembly and ballast component are in setting up and down, are formed through institute between both State transfer bin by branch space；The component that jacks up is located at the lower section of the molding assembly, the feeding mechanism with it is described Output mechanism is located at the both ends of the shaping mechanism.

As an improvement, the transmission component includes the adapter of rotation setting, the driving being set on the ballast component Part and the driven member in the transfer bin, the adapter include coaxial arrangement and the driving wheel being fixedly connected and adjusting Wheel, the driving wheel and regulating wheel are sequentially connected with the actuator and driven member respectively；The ballast component pumps During progress base brick compression moulding raw material in molding assembly is realized through transmission component driving transfer bin horizontal reciprocating movement The quantitative transfer of interruption.

As an improvement, the dust removal assembly is symmetrically disposed on the both sides of the molding assembly and is positioned above 0~10mm Place, the dust removing funnel is in horizontally disposed, splayed structure setting of the dust removing funnel in opening inwardly comprising be opened in inside it Head piece and be rotatably dispose in the wave plate that air-flow angular adjustment is carried out in the head piece, which sets along the length direction of the head piece It sets.

As an improvement, the switching part includes the gas valve being connected with the dust removing funnel, is oppositely arranged with the gas valve And the intake valve that is connected with external air source, rotary seal are set to progress gas valve interior air-flow stream between gas valve and intake valve To the switching valve of switching control, the swing arm that is fixedly installed on the switching valve outer circumference surface and both ends respectively with the swing arm and institute State the connecting rod of ballast member hinges setting.

Wherein, the gas valve includes valve body, the air entry a, the air entry b that are opened on the valve body and is located at air entry a With the puff prot between air entry b, the dust removing funnel is fixedly installed on the end face of the valve body and its three is connected to setting.

In addition, the intake valve includes being arranged on air intake duct a, the air intake duct b for carrying out air-flow absorption and for air-flow It sprays air jet pipe and three is correspondingly arranged with the air entry a, air entry b and puff prot respectively；The switching valve includes opening up Intercommunicating pore thereon, the converted valve of the intercommunicating pore drive rotation, rotary motion trace and the air entry a, air entry b and jet The distribution trajectory of mouth is identical.

The beneficial effects of the utility model：

(1) in the present invention by being fixedly connected with the drive of setting in transmission component with ballast component and transfer bin respectively The structure setting and mobilization storehouse reciprocating manner of moving part and driven member, in conjunction with jack up component the interruption way of output, It is formed in ballast component return course, base brick is pushed output and quantifies feedstock transportation to molding assembly by transfer bin, realizes base brick Raw material loading unevenness and low production efficiency exists in the prior art in output, the automated production process of raw material feeding, solution Under technical problem；

(2) in the present invention by the transmission component with the linkage setting of ballast component, driving transfer bin is back and forth to transport Flowing mode feeds molding assembly quantification, in conjunction with the structure setting of adapter in transmission component, can be advised according to the difference of base brick Lattice coordinate the gear set of different speed ratios, to realize effective control of the ballast component movement in the process to transfer bin displacement, to The use scope of the utility model being improved, while it is good to be greatly improved same its internal tightness consistency of model base brick, intensity is high, To substantially improve the performance of ladle；

(3) in the present invention by with ballast component linkage setting switching valve, ballast component move up and down into During row base brick ballast is molding, control switching valve realizes dust removing funnel and air entry a and puff prot with fixed angle swinging Alternating it is intermittent communicated, to be formed to be interrupted spray, aspirated mode collects the dedusting on base brick surface and powder；Compared to existing mesh Preceding to carry out the powder cleaning of base brick surface manually in the prior art, dust pollution reduces while efficiency greatly promotes；

In conclusion the utility model has simple in structure, high degree of automation, product quality height and energy conservation and environmental protection etc. excellent Point.

Description of the drawings

It is required in being described below to embodiment for the clearer technical solution for illustrating the utility model embodiment The attached drawing used is briefly described, it should be apparent that, drawings discussed below is only some embodiments of the utility model, For for those of ordinary skill in the art, without creative efforts, it can also obtain according to these attached drawings Obtain other accompanying drawings.

Fig. 1 is the utility model fault structure schematic diagram；

Fig. 2 is the utility model front view；

Fig. 3 is that the utility model is exactly sectional view；

Fig. 4 is transmission component elevational cross-sectional view；

Fig. 5 is transmission component partial enlargement structural representation；

Fig. 6 is one of utility model works state diagram；

Fig. 7 is the two of utility model works state diagram；

Fig. 8 is the three of utility model works state diagram；

Fig. 9 is dust removal assembly schematic cross-sectional view；

Figure 10 is enlarged diagram at A in Fig. 9；

Figure 11 is one of wave board status figure；

Figure 12 is the two of wave board status figure；

Figure 13 is enlarged diagram at B in Fig. 1

Figure 14 is that sectional view is unfolded in switching part；

Figure 15 is one of switching part state diagram.

Specific implementation mode

The technical scheme in the embodiment of the utility model is clearly and completely illustrated below in conjunction with the accompanying drawings.

Embodiment one

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

As shown in Fig. 1,2,3 and 4, nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system, including feed mechanism 1, further include：

Feeding mechanism 2, the feeding mechanism 2 include carrying out the transfer bin 21 of raw material transfer and being interrupted to the transfer bin 21 The buffering chamber 22 of feed；Raw material is delivered to through feed mechanism 1 in buffering chamber 22, then raw material is transferred to transfer bin by buffered storehouse 22 In 21；In the present embodiment, transfer bin 21 carries out raw material quantitative transmission in a manner of reciprocal descontinuous motion, in addition the one of transfer bin 21 End setting is secured to the baffle of connection, when moving bin 21 carries out raw material transfer, baffle movement is driven, through baffle by buffering chamber 22 Blanking port closing, realize buffering chamber 22 interruption blanking；

Shaping mechanism 3, the shaping mechanism 3 are included the molding assembly 31 carried for raw material, will be in a manner of ballast The ballast component 32 of base brick 10 is made in raw material in the molding assembly 31, deviates from base brick 10 after molding in molding assembly 31 Jack up component 33, the control transfer bin 21 is interrupted the transmission component 34 of quantitative feeding to molding assembly 31 and is set to institute It states 31 side of molding assembly and is sequentially connected with the ballast component 32 and carry out the dust removal assembly 35 of dust collection, the transmission group Part 34 is connected with the ballast component 32 and transfer bin 21 respectively, the dust removal assembly 35 include dust removing funnel 351 and with it is described Ballast component 32, which is connected, controls the switching part 352 of formation windstream in dust removing funnel 351；In the present embodiment, ballast component 32 suppress to form base brick 10 and will be in molding assembly 31 by jack-up component 33 with the progresss raw material of molding assembly 31 The ejection of base brick is the prior art of magnesia carbon brick production field, does not do excessively repeat again；Molding assembly 31 and ballast component 32 it Between by dust excluding plate around setting, both ends offer respectively transferred storehouse 21 respectively and base brick 10 by channel, it is described to remove Dirt component 35 is arranged across dust excluding plate, and dust removing funnel 351 is located at the inside of dust excluding plate, and switching part 352 is located at its outside；And

Output mechanism 4, the output mechanism 4 are located at the side of the shaping mechanism 3, carry out base brick 10 and export；Transfer bin 21 progress molding assemblies 31 push to base brick 10 on output mechanism 4 while feed, through output mechanism 4 in a manner of linear transfer It outputs it.

Wherein, as shown in Figure 1,2 and 3, the shaping mechanism 3 further includes rack 36, the molding assembly 31, ballast component 32, it jacks up component 33, transmission component 34 and dust removal assembly 35 to may be contained in the rack 36, the molding assembly 31 and ballast group Part 32 formed in setting up and down, between both through the transfer bin 21 by branch space 37；The jack-up component 33 In the lower section of the molding assembly 31, the feeding mechanism 2 is located at the two of the shaping mechanism 3 with the output mechanism 4 End；Feeding mechanism 2 and the output mechanism 4 are respectively arranged to the both ends of molding assembly 31, realize that charging and place's semi-finished product are defeated While going out quick operation, technology is laid for follow-up magnesia carbon brick full-automation building of production line, it is better convenient for the utility model It is engaged with the full-automatic production line in subsequent production.

Further, as shown in Fig. 4,5,6,7 and 8, the transmission component 34 includes the adapter 341 of rotation setting, sets The actuator 342 being placed on the ballast component 32 and the driven member 343 in the transfer bin 21, the adapter 341 Including the driving wheel 3411 for being coaxially disposed and being fixedly connected and regulating wheel 3412, the driving wheel 3411 and regulating wheel 3412 respectively with The actuator 342 and driven member 343 are sequentially connected；The ballast component 32, which pumps, carries out base brick compression moulding 21 horizontal reciprocating movement of transfer bin is driven to realize that the interruption of raw material in molding assembly 31 quantitatively shifts through transmission component 34 in the process； In the present embodiment, the actuator 342 and driven member 343 are rack setting, and the adapter 341 is dismountable gear Group setting, wherein driving wheel 3411 and the number of teeth of regulating wheel 3412 move up and down stroke and transfer bin according to ballast component 32 21 transverse shifting strokes are equipped with, and realize 21 backhaul of transfer bin while ballast component 32 moves down process, ballast When component 32 carries out repeatedly ballast repeatedly to being in molding assembly 31 raw material, mobilization storehouse 21 is swung by a small margin, to make Raw material in transferred storehouse 21 is laid with uniform；During ballast component 32 moves up after ballast, transfer bin 21 synchronizes cross It will be pushed into output mechanism 4 through jacking up the base brick 10 that component 33 eject while raw material is transferred in molding assembly 31 to movement On.

It should be noted that as shown in Fig. 5,6,7 and 8, by transmission component 34 respectively with ballast component 32 and transfer Storehouse 21 is fixedly connected with 21 side of reciprocating motion of the actuator 342 of setting and the structure setting of driven member 343 and mobilization storehouse Formula is formed in 32 return course of ballast component, transfer bin 21 pushes base brick 10 in conjunction with the interruption way of output for jacking up component 33 Output quantifies feedstock transportation to molding assembly 31, realizes that the output of base brick 10, the automated production process of raw material feeding solve existing Have in technology that there are the technical problems that raw material loading is uneven and production efficiency is low.

Embodiment two

As shown in Fig. 3,9,10,11 and 12, wherein identical with embodiment one or corresponding component uses and embodiment one Corresponding reference numeral hereafter only describes the distinctive points with embodiment one for simplicity；The embodiment two and embodiment one The difference is that：The dust removal assembly 35 is symmetrically disposed on the both sides of the molding assembly 31 and is positioned above 0~10mm Place, the dust removing funnel 351 is in horizontally disposed, splayed structure setting of the dust removing funnel 351 in opening inwardly comprising be opened in Its internal head piece 3511 and the wave plate 3512 for being rotatably dispose in progress air-flow angular adjustment in the head piece 3511, the wave plate 3512 Length direction along the head piece 3511 is arranged；In the present embodiment, the wave plate 3512 is to be rotatably dispose in the head piece Thin plate setting in 3511, and the length of its axis both sides is different, and between the upper end height L and the height l of lower end, L ＞ l； In addition the torsional spring that its rotation can be made to reset is additionally provided on the wave plate 3512, which is lean-in in blank state Tiltedly and it is closed the setting of head piece 3511；At work, when its gas flow is outside in head piece 3511, airflow function is in wave plate 3512 On, airflow function is in 3512 lifting force of wave plate and elastic restoring force double action thereon, wave plate while making head piece 3511 open 3512 is inclined, and air-flow is oriented to through wave plate 3512 and is set to base brick upper surface in the spray of direction obliquely, in such a way that air-flow brushes The powder for becoming scattered about base brick surface blows off, and keeps the planarization on its surface, realizes that ballast component 32 repeatedly presses base brick 10 Uniform force when load, so that it is guaranteed that the dense uniform inside base brick 10；In addition, when 3511 interior air-flow direction of head piece is inside When, since the height of 3512 upper end of wave plate is more than lower end, and it is is obliquely installed, and 3512 working condition of wave plate is level of approximation shape State acts very fast feature in conjunction with ballast component 32 during carrying out multiple ballast to base brick 10, realizes ballast component 32 By a small margin in return stroke, after being cleared up in the powder on base brick surface by jet mode, during 32 ballast of ballast component, The adsorbing powder dust raised during the powder to blow off and ballast is collected with aspirated mode, so that it is guaranteed that base brick is in ballast process While middle uniform force, dust pollution is reduced.

Embodiment three

As shown in Fig. 1,13 and 14, wherein identical with embodiment two or corresponding component is using corresponding with embodiment two Reference numeral hereafter only describes the distinctive points with embodiment two for simplicity；The embodiment three it is different from embodiment two it Be in：The switching part 352 includes that the gas valve 3521 being connected with the dust removing funnel 351 and the gas valve 3521 are opposite Be arranged and the intake valve 3522 that is connected with external air source, rotary seal be set between gas valve 3521 and intake valve 3522 into 3521 interior air-flow of row gas valve flows to the switching valve 3523 of switching control, is fixedly installed on 3523 outer circumference surface of switching valve The connecting rod 3525 that swing arm 3524 and both ends are hingedly arranged with the swing arm 3524 and the ballast component 32 respectively；Ballast component 32 It drives connecting rod 3525 to move while drive moves up and down, drives swing arm 3524 to swing by connecting rod 3525, realize switching valve 3523 Rotation, realize 351 internal gas of dust removing funnel flow direction change, to realize that dust removal assembly 35 is repeatedly pressed by a small margin to base brick In real process, ballast component 32 is detached with base brick, and through 351 jet of dust removing funnel to 10 removing surface of base brick, ballast component 32 is right When base brick 10 pushes, 351 air-breathing of dust removing funnel will brush its powder absorptive collection, realize the dust to being formed during ballast Pollution cleaning immediately, to reduce the pollution to environment.

Wherein, as shown in FIG. 14 and 15, the gas valve 3521 includes valve body 35211, is opened on the valve body 35211 Air entry a35212, air entry b35213 and the puff prot 35214 between air entry a35212 and air entry b35213, institute State dust removing funnel 351 be fixedly installed on the end face of the valve body 35211 and its three be connected to setting.

In addition, as shown in FIG. 14 and 15, the intake valve 3522 includes being arranged on the air intake duct for carrying out air-flow absorption A35221, air intake duct b35222 and for air-flow spray air jet pipe 35223 and three respectively with the air entry a35212, air-breathing Mouth b35213 and puff prot 35214 are correspondingly arranged；The switching valve 3523 includes the intercommunicating pore 35231 opened up thereon, the company 35231 converted valve 3523 of through-hole drives rotation, rotary motion trace and the air entry a35212, air entry b35213 and jet The distribution trajectory of mouth 35214 is identical；Its inlet end is to be connected to set to air entry a35212 with air entry b35213 in the present embodiment It sets.

It should be noted that as shown in FIG. 14 and 15, by the switching valve 3523 with the linkage setting of ballast component 32, pressing During load up and down motion progress base 10 ballasts of brick of component 32 are molding, control switching valve 3523 is real with fixed angle swinging Replacing for existing dust removing funnel 351 and air entry a35212 and puff prot 35214 is intermittent communicated, to which formation is to be interrupted spray, air-breathing side Formula collects the dedusting on base brick surface and powder；Compared to 10 surface powder of base brick is carried out in existing currently available technology manually Material cleaning, dust pollution reduces while efficiency greatly promotes.

In the present invention, it is to be understood that：Term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or position relationship of the instructions such as needle ", " counterclockwise " are to be based on the orientation or positional relationship shown in the drawings, merely to just It is described in description the utility model and simplifying, does not indicate or imply the indicated equipment or specific side that element must have Position, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite important Property or implicitly indicate the quantity of indicated technical characteristic.Therefore, define " first ", the feature of " second " can be expressed or Person implicitly includes one or more this feature.In the description of the utility model, the meaning of " plurality " is two or two More than a, unless otherwise specifically defined.

The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not It is confined to this, the variation that any one skilled in the art can readily occur under the technical clarification of the utility model Or replace, single base brick is such as realized through transmission component and dust removal assembly by ballast component respectively in carrying out base brick pressing process The design concept that the quantitative automatic transmission of raw material, the automatic cleaning of powder and blank export automatically, should all cover in this practicality Within novel protection domain.Therefore, the scope of protection of the utility model should be subject to the scope of protection of the claims.

Claims (7)

1. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system, including feed mechanism (1), which is characterized in that also wrap It includes：

Feeding mechanism (2), the feeding mechanism (2) include carrying out the transfer bin (21) of raw material transfer and to the transfer bin (21) It is interrupted the buffering chamber (22) of feed；

Shaping mechanism (3), the shaping mechanism (3) includes the molding assembly (31) carried for raw material, will place in a manner of ballast The ballast component (32) of base brick (10) is made, by base after molding in molding assembly (31) in the raw material in the molding assembly (31) The jack-up component (33) of brick (10) abjection, the control transfer bin (21) are interrupted molding assembly (31) transmission group of quantitative feeding Part (34) and be set to the molding assembly (31) side and with the ballast component (32) be sequentially connected carry out dust collection Dust removal assembly (35), the transmission component (34) is connected with the ballast component (32) and transfer bin (21) respectively, described Dust removal assembly (35) includes dust removing funnel (351) and interior formed of the control dust removing funnel (351) that is connected with the ballast component (32) is determined To the switching part (352) of air-flow；And

Output mechanism (4), the output mechanism (4) are located at the side of the shaping mechanism (3), carry out base brick (10) and export.

2. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system according to claim 1, which is characterized in that institute It further includes rack (36) to state shaping mechanism (3), and the molding assembly (31), jacks up component (33), transmission group at ballast component (32) Part (34) and dust removal assembly (35) may be contained in the rack (36), and the molding assembly (31) and ballast component (32) are in up and down Setting, formed between both through the transfer bin (21) by branch space (37)；The jack-up component (33) is located at institute The lower section of molding assembly (31) is stated, the feeding mechanism (2) is located at the shaping mechanism (3) with the output mechanism (4) Both ends.

3. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system according to claim 1, which is characterized in that institute State the adapter (341) that transmission component (34) includes rotation setting, the actuator (342) being set on the ballast component (32) And the driven member (343) in the transfer bin (21), the adapter (341) include the biography for being coaxially disposed and being fixedly connected Driving wheel (3411) and regulating wheel (3412), the driving wheel (3411) and regulating wheel (3412) respectively with the actuator (342) and Driven member (343) is sequentially connected；The ballast component (32) pump carry out base brick compression moulding during through pass Dynamic component (34) driving transfer bin (21) horizontal reciprocating movement realizes that the interruption of molding assembly (31) interior raw material quantitatively shifts.

4. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system according to claim 1, which is characterized in that institute Dust removal assembly (35) is stated to be symmetrically disposed on the both sides of the molding assembly (31) and be positioned above at 0~10mm, the dedusting (351) are struggled against in horizontally disposed, splayed structure setting of the dust removing funnel (351) in opening inwardly comprising be opened in inside it Head piece (3511) and be rotatably dispose in the wave plate (3512) that air-flow angular adjustment is carried out in the head piece (3511), the wave plate (3512) it is arranged along the length direction of the head piece (3511).

5. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system according to claim 1, which is characterized in that institute Switching part (352) is stated to include the gas valve (3521) being connected with the dust removing funnel (351), set relatively with the gas valve (3521) Set and the intake valve (3522) that is connected with external air source, rotary seal be set to gas valve (3521) and intake valve (3522) it Between carry out gas valve (3521) interior air-flow flow to the switching valve (3523) of switching control, be fixedly installed on the switching valve (3523) outside The company that swing arm (3524) and both ends on periphery are hingedly arranged with the swing arm (3524) and the ballast component (32) respectively Bar (3525).

6. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system according to claim 5, which is characterized in that institute State gas valve (3521) include valve body (35211), the air entry a (35212), the air entry b that are opened on the valve body (35211) (35213) puff prot (35214) and between air entry a (35212) and air entry b (35213), the dust removing funnel (351) it is fixedly installed on the end face of the valve body (35211) and its three is connected to setting.

7. nuclear power steel ladle High Strength Magnesia-carbon Bricks mechanized production system according to claim 6, which is characterized in that institute It includes being arranged on air intake duct a (35221), the air intake duct b (35222) for carrying out air-flow absorption and being used for state intake valve (3522) Air-flow spray air jet pipe (35223) and three respectively with the air entry a (35212), air entry b (35213) and puff prot (35214) it is correspondingly arranged；The switching valve (3523) includes the intercommunicating pore (35231) opened up thereon, the intercommunicating pore (35231) Converted valve (3523) drives rotation, rotary motion trace and the air entry a (35212), air entry b (35213) and puff prot (35214) distribution trajectory is identical.