CN208108827U - A kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace - Google Patents
A kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace Download PDFInfo
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- CN208108827U CN208108827U CN201820432333.5U CN201820432333U CN208108827U CN 208108827 U CN208108827 U CN 208108827U CN 201820432333 U CN201820432333 U CN 201820432333U CN 208108827 U CN208108827 U CN 208108827U
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Abstract
The utility model belongs to vacuum drying oven equipment technical field, specifically a kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace.Including graphite guide duct, water-cooling flange, water cooling threeway, pneumatic ball valve, dumping pipeline and exhaust blower, wherein water-cooling flange is fixed on vacuum furnace body adapter tube, the Single port of water cooling threeway is connect with water-cooling flange, pneumatic ball valve is placed among water cooling threeway and dumping pipeline, exhaust blower is fixed on dumping line end, graphite guide duct is fixed in vacuum drying oven on heating room side wall and connect with water-cooling flange, and the third port of water cooling threeway is equipped with lid of removing contamination.The utility model structure is simple, easy to operate, and production cost is low, improves the qualification rate of vacuum drying oven sintered silicon carbon material product.
Description
Technical field
The utility model belongs to vacuum drying oven equipment technical field, specifically a kind of to be applied to silicon carbide reaction-sintered material
Expect the batching out unit of vacuum drying oven.
Background technique
Batching out unit has vital effect for vacuum drying oven sintered silicon carbon material, directly affects sintered silicon carbon
The qualification rate of material and the service life of vacuum drying oven inside thermal conservation material.Influencing the factor that batching out unit works normally mainly has row
Glue speed, water-cooled effect, sealing effect, frequency of removing contamination etc..
Carbofrax material can be by gelatin substance contained in silicon carbide raw material during high temperature sintering in vacuum drying oven
Gasification forms glue steam.Glue steam is discharged by this batching out unit, and this requires batching out unit capacities to be greater than in furnace
The production quantity of glue steam and it is filled with the sum of protection gas tolerance in furnace, otherwise will form barotropic state in vacuum drying oven, influence vacuum
The normal work of furnace.
The glue of carbofrax material is discharged with the glue steam condition of high temperature, and existing batching out unit is at a high temperature of glue steam
Sealing ring and pipeline are easily destroyed, the sealing effect of batching out unit be not very well, by batching out unit can into vacuum drying oven into
Enter atmosphere, motion state when destroying the vacuum environment of sintered silicon carbon material, especially valve opening and closing is easy sealing
It is bad；In addition, a small amount of glue steam coagulation is had on pipeline inner wall during batching out unit dumping, especially long time integration
After caliber can be made to become smaller, influence dumping speed.
Existing industry batching out unit is only suitable for using on cryogenic vacuum furnace, and appearance dumping amount that all can be more or less is small,
The problems such as cooling effect is bad, and sealing effect is bad influences the success rate of sintered silicon carbon material.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide one kind to be applied to silicon carbide reaction-sintered material vacuum
The batching out unit of furnace.The apparatus structure is simple, easy to operate, and dumping amount is big, and good airproof performance, production cost is low, long service life.
To achieve the goals above, the utility model uses following technical scheme：
A kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace, including graphite guide duct, water-cooling flange,
Water cooling threeway, pneumatic ball valve, dumping pipeline and exhaust blower, wherein water-cooling flange is fixed on vacuum furnace body adapter tube, the water
The Single port of cold threeway is connect with the water-cooling flange, and the pneumatic ball valve is placed in the water cooling threeway and the dumping pipeline
Between, the exhaust blower is fixed on the dumping line end, the graphite guide duct is fixed in vacuum drying oven on heating room side wall,
And it is connect with the water-cooling flange.
The third port of the water cooling threeway is equipped with lid of removing contamination.
The lid of removing contamination includes blind flange and the insulation quilt and handle for being respectively arranged at the blind flange two sides.
The water-cooling flange includes flange, baffle and retaining ring, wherein circumferentially arranged with annular water on a side end face of flange
Set, the excircle of the flange are equipped with the inlet and outlet being connected to the ring-shaped water jacket, edge in the ring-shaped water jacket
The outside of the baffle being radially provided between the inlet and outlet, the ring-shaped water jacket is equipped with for sealing annular water
The retaining ring of set, the retaining ring and the flanged joint.
The water cooling threeway includes inner sleeve and the outer tube that is sheathed on the outside of the inner sleeve, the inner sleeve and housing
It is annular cold water cavity between pipe, the upper end of the outer tube is equipped with water outlet base, and lower end is equipped with water inlet seat.
One end that the water cooling threeway is connect with the water-cooling flange is variable diameter water pipe, and the variable diameter water pipe is by interior lateral the
Diameter is gradually increased at Single port.
O-ring seal is equipped between the water-cooling flange and vacuum furnace body adapter tube and the water cooling threeway.
O-ring seal is equipped between the pneumatic ball valve and the water cooling threeway and the dumping pipeline.
The graphite guide duct is fixed in vacuum drying oven on heating room side wall by thermal insulation material lock ring.
The advantages of the utility model and beneficial effect are：
1. the glue of carbofrax material is discharged with the glue steam condition of high temperature, the high temperature of glue steam can destroy batching out unit
Sealing ring and pipeline, it is cold by recycling so the batching out unit of the utility model joined water-cooling flange and water cooling threeway
But water reaches cooling effect, protects sealing ring and pipeline.
2. it requires that whole device sealing effect will be got well due to connection in batching out unit and vacuum drying oven, otherwise passing through row
Adhesive dispenser can enter atmosphere into vacuum drying oven, destroy the vacuum environment of sintered silicon carbon material, especially valve opening and close
When motion state be easy sealing it is bad, so the utility model batching out unit select the preferably pneumatic stainless steel of sealing effect
Ball valve ensure that the leakproofness of entire batching out unit.
3. having a small amount of glue steam coagulation on pipeline inner wall during the batching out unit dumping of the utility model, especially
It is water cooling threeway position, due to being passed through recirculated cooling water, so that water cooling three-way tube wall is kept lower temperature, so having a small amount of
Glue steam is condensed in the cold on water cooling threeway inner wall, caliber can be made to become smaller after long time integration, influences dumping speed, so needing
Periodic cleaning.By opening lid of removing contamination with handles below water cooling threeway, it can very easily clear up and condense in pipeline inner wall
Glue substance.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is water-cooling flange structural schematic diagram in the utility model；
Fig. 3 is the A-A cross-sectional view in Fig. 2；
Fig. 4 is water cooling three-port structure schematic diagram in the utility model；
Fig. 5 is lid structural schematic diagram of removing contamination in the utility model.
In figure：1 is guide duct, and 2 be water-cooling flange, and 3 be water cooling threeway, and 4 be lid of removing contamination, and 5 be pneumatic ball valve, and 6 be dumping
Pipeline, 7 be exhaust blower, and 8 be baffle, and 9 be retaining ring, and 10 be flange, and 11 take over for variable diameter, and 12 be inner sleeve, and 13 be outer tube, 14
It is baffle ring for water outlet base, 15,16 be water inlet seat, and 17 be handle, and 18 be blind flange, and 19 be insulation quilt, and 20 be ring-shaped water jacket,
21 be water inlet, and 22 be water outlet.
Specific embodiment
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied
The utility model is described in detail in example.
As shown in Figure 1, a kind of dumping applied to silicon carbide reaction-sintered material vacuum furnace provided by the utility model fills
It sets, including graphite guide duct 1, water-cooling flange 2, water cooling threeway 3, pneumatic ball valve 5, dumping pipeline 6 and exhaust blower 7, wherein water cooling
Flange 2 is fixed by bolts on vacuum furnace body adapter tube, and the Single port of water cooling threeway 3 is connect by bolt with water-cooling flange 2,
Pneumatic ball valve 5 is placed among water cooling threeway 3 and dumping pipeline 6, and exhaust blower 7 is fixed on 6 end of dumping pipeline, graphite guide duct 1
It is fixed in vacuum drying oven on heating room side wall and is connect with water-cooling flange 2.
Lid 4 of removing contamination has been bolted in the third port of water cooling threeway 3.
As Figure 2-3, water-cooling flange 2 includes flange 10, baffle 8 and retaining ring 9, wherein edge on a side end face of flange 10
It is circumferentially with ring-shaped water jacket 20, the excircle of flange 10 is equipped with the water inlet 21 and water outlet 22 that are connected to ring-shaped water jacket 20.
The baffle 8 being radially equipped between water inlet 21 and water outlet 22 in ring-shaped water jacket 20, baffle 8 use welding manner and method
Orchid 10 connects, and for separating water inlet 21 and water outlet 22, water inlet 21 and water outlet 22 are located at the two sides of baffle 8.Ring
The outside of shape water jacket 20 is equipped with the retaining ring 9 with sealing ring-shaped water jacket 20.Retaining ring 9 is connect with flange 10 using welding manner, postwelding
It is suppressed into the ring-shaped water jacket 20, guarantees pressure 4kg/cm in ring-shaped water jacket 202, must not have leakage in half an hour.
As shown in figure 4, water cooling threeway 3 includes inner sleeve 12 and the outer tube 13 for being sheathed on 12 outside of inner sleeve, inner sleeve
It is annular cold water cavity between 12 and outer tube 13, the upper end of outer tube 13 is equipped with water outlet base 14, and lower end is equipped with water inlet seat 16.
The upper end of outer water jacket 13 is equipped with baffle ring, and outer tube 13, baffle ring 15 are connect with 12 three of inner sleeve with welding manner, shape
At water jacket, for water outlet base 14 using connecting at the top of welding manner and outer tube 13, water inlet seat 16 uses welding manner and housing
13 lower part of pipe connection, water outlet base 14 and 16 status requirement of water inlet seat respectively in 13 two sides of outer tube, and between distance it is remoter
It is better, increase film-cooled heat as far as possible.Postwelding is suppressed into the water jacket, guarantees pressure 4kg/cm in water jacket2, must not in half an hour
There is leakage.
One end that water cooling threeway 3 is connect with water-cooling flange 2 be variable diameter water pipe 11, variable diameter adapter tube 11 use welding manner with it is interior
Casing 12 connects, and variable diameter water pipe 11 is gradually increased by interior lateral first port diameter.
O-ring seal, pneumatic ball valve 5 and water are equipped between water-cooling flange 2 and vacuum furnace body adapter tube and water cooling threeway 3
O-ring seal is equipped between cold threeway 3 and dumping pipeline 6.Graphite guide duct 1 is fixed on vacuum drying oven by thermal insulation material lock ring
On interior heating room side wall, exhaust blower 7 is bolted on 6 end of dumping pipeline.
As shown in figure 5, lid 4 of removing contamination includes blind flange 18 and the insulation quilt 19 and handle for being respectively arranged at 18 two sides of blind flange
17.Handle 17 is connect using welding manner with blind flange 18, and blind flange 18 is machined with seal groove and tapped blind hole, and insulation quilt 19 is adopted
It is connected with studs, nut, big flat washer and blind flange 18, insulation quilt 19 uses graphite carbon felt material resistant to high temperature, prevents
Heat.
A small amount of glue steam coagulation is had on pipeline inner wall during batching out unit dumping, especially water cooling threeway position
It sets, due to being passed through recirculated cooling water, so that water cooling three-way tube wall is kept lower temperature, coagulated to the cold so having a small amount of glue steam
Knot can make caliber become smaller, influence dumping speed, so needing periodic cleaning on water cooling threeway inner wall after long time integration.It is logical
It crosses and opens lid 4 of removing contamination with handles below water cooling threeway, can very easily clear up the glue substance for condensing in pipeline inner wall.
The working principle of the utility model is：
When work, water-cooling flange 2 and water cooling threeway 3 are passed through recirculated cooling water, and exhaust blower 7 starts, and pneumatic ball valve 5 is opened.
The glue substance in vacuum drying oven in carbofrax material is due to being formed glue steam by high temperature at this time, glue under the action of exhaust blower 7
Steam enters in batching out unit, and vacuum drying oven is discharged.The cooling effect of water-cooling flange 2 and water cooling threeway 3, the row of preventing are paid attention to when work
Adhesive dispenser overheat.
The utility model has vital effect for vacuum drying oven sintered silicon carbon material, greatly improves vacuum
The qualification rate of furnace sintered silicon carbon material and the service life of vacuum drying oven inside thermal conservation material.The utility model structure is simple, behaviour
Facilitate, production cost is low, improves the qualification rate of vacuum drying oven sintered silicon carbon material product.
The foregoing is merely the embodiments of the present invention, are not intended to limit the protection scope of the utility model.It is all
Any modification, equivalent substitution and improvement made within spirit of the present utility model and principle, extension etc., are all contained in this reality
With in novel protection scope.
Claims (9)
1. a kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that including graphite guide duct
(1), water-cooling flange (2), water cooling threeway (3), pneumatic ball valve (5), dumping pipeline (6) and exhaust blower (7), wherein water-cooling flange
(2) it is fixed on vacuum furnace body adapter tube, the Single port of the water cooling threeway (3) is connect with the water-cooling flange (2), the gas
Dynamic ball valve (5) are placed in the water cooling threeway (3) and the dumping pipeline (6) is intermediate, and the exhaust blower (7) is fixed on the dumping
Pipeline (6) end, the graphite guide duct (1) are fixed in vacuum drying oven on heating room side wall and connect with the water-cooling flange (2)
It connects.
2. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
The third port of the water cooling threeway (3) is equipped with and removes contamination lid (4).
3. the batching out unit according to claim 2 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
The lid (4) of removing contamination includes blind flange (18) and the insulation quilt (19) and handle for being respectively arranged at the blind flange (18) two sides
(17)。
4. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
The water-cooling flange (2) includes flange (10), baffle (8) and retaining ring (9), is wherein circumferentially set on a side end face of flange (10)
Have ring-shaped water jacket (20), the excircle of the flange (10) be equipped with the water inlet (21) being connected to the ring-shaped water jacket (20) and
Water outlet (22), the interior gear being radially equipped between the water inlet (21) and water outlet (22) of the ring-shaped water jacket (20)
Plate (8), the outside of the ring-shaped water jacket (20) are equipped with the retaining ring (9) for sealing ring-shaped water jacket (20), the retaining ring (9) and institute
State flange (10) connection.
5. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
The water cooling threeway (3) includes inner sleeve (12) and the outer tube (13) being sheathed on the outside of the inner sleeve (12), the inner sleeve
Managing between (12) and outer tube (13) is annular cold water cavity, and the upper end of the outer tube (13) is equipped with water outlet base (14), lower end
Equipped with water inlet seat (16).
6. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
One end that the water cooling threeway (3) connect with the water-cooling flange (2) is variable diameter water pipe (11), and the variable diameter water pipe (11) is by interior
Diameter is gradually increased at lateral first port.
7. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
O-ring seal is equipped between the water-cooling flange (2) and vacuum furnace body adapter tube and the water cooling threeway (3).
8. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
O-ring seal is equipped between the pneumatic ball valve (5) and the water cooling threeway (3) and the dumping pipeline (6).
9. the batching out unit according to claim 1 applied to silicon carbide reaction-sintered material vacuum furnace, which is characterized in that
The graphite guide duct (1) is fixed in vacuum drying oven on heating room side wall by thermal insulation material lock ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432333.5U CN208108827U (en) | 2018-03-28 | 2018-03-28 | A kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432333.5U CN208108827U (en) | 2018-03-28 | 2018-03-28 | A kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208108827U true CN208108827U (en) | 2018-11-16 |
Family
ID=64123077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820432333.5U Active CN208108827U (en) | 2018-03-28 | 2018-03-28 | A kind of batching out unit applied to silicon carbide reaction-sintered material vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208108827U (en) |
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2018
- 2018-03-28 CN CN201820432333.5U patent/CN208108827U/en active Active
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