CN203091671U - Heat energy recovery device for sand mould casting and sand box - Google Patents
Heat energy recovery device for sand mould casting and sand box Download PDFInfo
- Publication number
- CN203091671U CN203091671U CN 201220665163 CN201220665163U CN203091671U CN 203091671 U CN203091671 U CN 203091671U CN 201220665163 CN201220665163 CN 201220665163 CN 201220665163 U CN201220665163 U CN 201220665163U CN 203091671 U CN203091671 U CN 203091671U
- Authority
- CN
- China
- Prior art keywords
- cooling medium
- sandbox
- heat recovery
- recovery pipeline
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a heat energy recovery device for sand mould casting and a sand box. The heat energy recovery device comprises a plurality of heat energy recovery pipelines, a branch flow pipe, a convergence pipe, a cooling medium inlet joint and a cooling medium outlet joint, wherein an inlet and an outlet are respectively formed in two ends of each heat energy recovery pipeline; the branch flow pipe is provided with a branch flow inlet and a plurality of branch flow ports; each branch flow port is connected with the inlet of each heat energy recovery pipeline; the convergence pipe is provided with a convergence outlet and a plurality of convergence ports; each convergence port is connected with the outlet of each heat energy recovery pipeline; the cooling medium inlet joint is connected to the branch flow inlet of the branch flow pipe; and the cooling medium outlet joint is connected to a branch flow outlet of the convergence pipe. By utilizing the flowing of the cooling medium in a cooling medium main pipe, the heat energy of a casting released during condensation can be effectively absorbed to ensure that the heat energy is collected into the cooling medium to be used for preheating furnace burden, drying sand models and supplying hot air for a cupola furnace, so that recycling of the heat energy released during sand mould casting is realized.
Description
Technical field
The utility model relates to casting field, in particular to a kind of heat reclaim unit and sandbox that is used for sand casting.
Background technology
At present, the energy consumption of China's casting industry accounts for 25%～30% of mechanical industry total energy consumption, and the energy consumption of foundry goods per ton is approximately 830 kilograms of mark coals, and wherein the energy consumption of Metal Melting accounts for about 50% of whole castings production energy consumption.
A large amount of heats that metal absorbs in fusion process, except having in the intermediate treatment process a small amount of loss, major part will be accompanied by follow-up casting solidification process and all be discharged in the environment and go.Technology commonly used in casting process has negative pressure casting technology or adding pressure type casting technique, wherein, negative pressure casting technology is for constantly vacuumizing to keep the shape of casting mold with vavuum pump before casting solidification, the part heat of foundry goods heat release can be extracted out in the process that vacuumizes, but the heat of this part extraction is limited, gathering system is not set specially yet, and most of heat still conducts and is radiated in the environment by sand mold and sandbox and goes, and can't utilize again; The patent No. is that the Chinese patent of ZL200620104334.4 discloses a kind of adding pressure type casting sandbox, it is even to be intended to obtain density, imperforate hydraulic castings, this adding pressure type casting sandbox is in the process that realizes its purpose, a special process of strengthening discharging foundry goods cooling heat release is arranged, but also be to fail hot gas is reclaimed, and, this sandbox is except adopting gas, also can't collect foundry goods institute liberated heat and strengthen the foundry goods cooling by other fluid media (medium)s, heat in the casting is discharged in the environment in a large number and goes, working environment is worsened, but also cause the waste of a large amount of heats.
The utility model content
The utility model aims to provide a kind of heat reclaim unit and sandbox that is used for sand casting, in order to collect the heat in the sand casting process.
To achieve these goals, according to an aspect of the present utility model, a kind of heat reclaim unit that is used for sand casting is provided, heat reclaim unit comprises a plurality of heat recovery pipelines, the two ends of heat recovery pipeline form import and outlet respectively, heat reclaim unit also comprises: isocon, have a shunting import and a plurality of diffluence pass, and each diffluence pass connects the import of each heat recovery pipeline respectively; Collecting pipe has conflux outlet and a plurality of mouth that confluxes, and the mouth that respectively confluxes connects the outlet of each heat recovery pipeline respectively; The cooling medium inlet joint is connected the shunting import department of isocon; The cooling medium outlet connection is connected the shunting exit of collecting pipe.
Further, above-mentioned each heat recovery pipeline is positioned at horizontal plane, and vertically stacked.
Further, above-mentioned isocon and collecting pipe all vertically extend.
Further, above-mentioned each heat recovery pipeline comprises that respectively cooling medium is responsible for and is connected the one group cooling medium arm of cooling medium between being responsible for.
Further, above-mentioned cooling medium arm is responsible for the cooling medium of close the same side and is connected.
According on the other hand of the present utility model, a kind of sandbox is provided, sandbox comprises: the sandbox main body has the die cavity that sandbox wall and sandbox wall surround; Heat reclaim unit, heat reclaim unit comprises one or more heat recovery pipelines, the two ends of heat recovery pipeline form import and outlet respectively, at least part heat reclaim line be fixed in the die cavity or the sandbox wall on, the import of heat recovery pipeline and outlet all are connected with the outside of sandbox main body.
Further, above-mentioned heat reclaim unit comprises a plurality of heat recovery pipelines, and heat reclaim unit also comprises: isocon has a shunting import and a plurality of diffluence pass, each diffluence pass connects the import of each heat recovery pipeline respectively, isocon be fixed in the die cavity or the sandbox wall on; Collecting pipe has conflux outlet and a plurality of mouth that confluxes, and the mouth that respectively confluxes connects the outlet of each heat recovery pipeline respectively, and collecting pipe is fixed in the die cavity or on the sandbox wall; The cooling medium inlet joint is connected the shunting import department of isocon and is connected with the outside of sandbox; The cooling medium outlet connection is connected the shunting exit of collecting pipe and is connected with the outside of sandbox.
Further, above-mentioned each heat recovery pipeline comprises the cooling medium person in charge respectively, and the cooling medium person in charge, isocon and collecting pipe are fixed on the sandbox wall.
Further, above-mentioned sandbox main body comprises that also inside has the case band of cavity, and the cavity of case band is responsible for the part cooling medium and is connected.
Further, above-mentioned part heat reclaim line also comprises the one group of cooling medium arm that is connected between the cooling medium person in charge respectively, the sandbox main body comprises that also inside has the case band of cavity, and the cooling medium arm is arranged in the cavity of case band and is responsible for the part cooling medium and is connected.
Further, each heat recovery pipeline of above-mentioned part also comprises the one group of cooling medium arm that is connected between the cooling medium person in charge respectively, and the cooling medium arm is arranged on the position that the interior desire of sandbox is provided with the case band.
Further, the cooling medium of above-mentioned each heat recovery pipeline is responsible for and is provided with around the sandbox wall.
Further, above-mentioned sandbox wall is an individual layer, and cooling medium is responsible for and is fixed on the inner surface or outer surface of sandbox wall; The sandbox wall is the double-deck sandbox wall with interlayer, and cooling medium is responsible for and is fixed in the interlayer.
Further, above-mentioned cooling medium is responsible for stacked along sandbox wall in the vertical direction, and isocon and collecting pipe all vertically extend.
Use the technical solution of the utility model, utilize cooling medium flowing in cooling medium is responsible for, can absorb the heat that foundry goods discharges effectively in process of setting, heat is collected in the cooling medium, thereby be further used for preheating furnace charge, oven dry sand mold, for furnace cupola etc. provides hot blast etc., realized the recycling of the heat that discharges in the sand casting process.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the front view according to the heat reclaim unit of a kind of preferred embodiment of the present utility model;
Fig. 2 shows the left view of heat reclaim unit shown in Figure 1;
Fig. 3 shows the vertical view of heat reclaim unit shown in Figure 1;
Fig. 4 shows heat reclaim unit shown in Figure 1 and is arranged in the vertical view of making the sandbox behind the sand mold;
Fig. 5 shows the A-A line cutaway view of making sandbox behind the sand mold shown in Figure 4, wherein shows sand mold;
Fig. 6 shows the perspective view according to the sandbox of another kind of preferred embodiment of the present utility model;
Fig. 7 shows the vertical view after sandbox shown in Figure 6 is made sand mold.
Fig. 8 shows the B-B line cutaway view of sandbox shown in Figure 7, wherein shows sand mold.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1 to Figure 3, in a kind of typical embodiment of the utility model, a kind of heat reclaim unit that is used for sand casting is provided, and heat reclaim unit comprises one or more heat recovery pipelines, and the two ends of this heat recovery pipeline form import and outlet respectively.
Heat reclaim unit with said structure, utilize cooling medium flowing in the heat recovery pipeline, can absorb the heat that foundry goods discharges effectively in process of setting, heat is collected in the cooling medium, thereby be further used for preheating furnace charge, oven dry sand mold, for furnace cupola etc. provides hot blast etc., realized the recycling of the heat that discharges in the sand casting process.Wherein, can be used for cooling medium of the present utility model and include but not limited to air, inert gas, water, oil, preferred air or water.
As shown in Figure 1 to Figure 3, in the another kind of preferred embodiment of the utility model, heat reclaim unit comprises a plurality of heat recovery pipelines, heat reclaim unit also comprises isocon 14, collecting pipe 15, cooling medium inlet joint 11 and cooling medium outlet connection 12, isocon 14 has a shunting import and a plurality of diffluence pass, and each diffluence pass connects the import of each heat recovery pipeline respectively; Collecting pipe 15 has conflux outlet and a plurality of mouth that confluxes, and the mouth that respectively confluxes connects the outlet of each heat recovery pipeline respectively; Cooling medium inlet joint 11 is connected the shunting import department of isocon 14; Cooling medium outlet connection 12 is connected the shunting exit of collecting pipe 15.
The heat reclaim unit of the foregoing description is provided with isocon 14 and collecting pipe 15 in the import and the exit at the two ends of heat recovery pipeline, thereby can be by cooling medium inlet joint 11 and cooling medium outlet connection 12 control cooling mediums turnover heat recovery pipelines, not only realize the heat recovery function of heat reclaim unit but also simplified the control method of cooling medium.
As shown in Figure 3, in order to be complementary with common sandbox, each heat recovery pipeline is positioned at horizontal plane, and vertically stacked.
In order to be complementary with above-mentioned heat recovery pipeline, preferred isocon 14 and collecting pipe 15 all vertically extend.
As shown in Figure 3, in another preferred embodiment of the utility model, each heat recovery pipeline comprises that respectively cooling medium is responsible for 13 and be connected cooling medium and be responsible for one group of cooling medium arm 16 between 13.
In order to satisfy the demand of sandbox shape at present commonly used, as shown in Figure 5, preferred a plurality of cooling medium arms 16 are responsible for 13 with the cooling medium of close the same side and are connected.Cooling medium arm 16 is responsible for 13 settings that are connected near the cooling medium of the same sides, be used in the process with sandbox, can reserve enough spaces as the casting of die cavity realization, and cooling medium arm 16 can also play the fixation of reinforcement sand mold in sandbox to product.
The opening of the cooling medium person in charge 13 of the present utility model and/or cooling medium arm 16 is any one in circular open, semicircle opening, elliptical openings, the rectangular aperture.
To shown in Figure 8, in the another kind of typical embodiment of the utility model, provide a kind of sandbox as Fig. 4, sandbox comprises sandbox main body and heat reclaim unit, and the sandbox main body has the die cavity that sandbox wall 21 and sandbox wall 21 surround; Heat reclaim unit comprises one or more heat recovery pipelines, the two ends of heat recovery pipeline form import and outlet respectively, at least part heat reclaim line be fixed in the die cavity or sandbox wall 21 on, the import of heat recovery pipeline and outlet all are connected with the outside of sandbox main body.
Above-mentioned heat reclaim unit and sandbox main body are assembled into the sandbox of one, saved the process of laying heat reclaim unit in the sand mold process of making, accelerated moulding and casting flow process, heat reclaim unit can be accelerated the cooling of foundry goods and absorb the heat that discharges in the casting process effectively to realize heat recovery.
In another preferred embodiment of the present utility model, above-mentioned heat reclaim unit comprises a plurality of heat recovery pipelines, heat reclaim unit also comprises isocon 14, collecting pipe 15, cooling medium inlet joint 11 and cooling medium outlet connection 12, isocon 14 has a shunting import and a plurality of diffluence pass, each diffluence pass connects the import of each heat recovery pipeline respectively, isocon 14 be fixed in the die cavity or sandbox wall 21 on; Collecting pipe 15 has conflux outlet and a plurality of mouth that confluxes, and the mouth that respectively confluxes connects the outlet of each heat recovery pipeline respectively, and collecting pipe 15 is fixed in the die cavity or on the sandbox wall 21; Cooling medium inlet joint 11 is connected the shunting import department of isocon 14 and is connected with the outside of sandbox; Cooling medium outlet connection 12 is connected the shunting exit of collecting pipe 15 and is connected with the outside of sandbox.
The heat reclaim unit of the foregoing description is provided with isocon 14 and collecting pipe 15 in the import and the exit at the two ends of heat recovery pipeline, thereby can be by cooling medium inlet joint 11 and cooling medium outlet connection 12 control cooling mediums turnover heat recovery pipelines, not only realize the heat recovery function of heat reclaim unit but also simplified the control method of cooling medium.
As shown in Figure 5, above-mentioned each heat recovery pipeline comprises the cooling medium person in charge 13 respectively, and the cooling medium person in charge 13, isocon 14 and collecting pipe 15 are fixed on the sandbox wall 21.When making above-mentioned sandbox, cooling medium can be responsible for 13, isocon 14 and collecting pipe 15 adopt the mode of welding to be fixed on the sandbox wall 21, simplified the manufacture craft of whole sandbox.
To shown in Figure 8, in another preferred embodiment of the present utility model, the sandbox main body comprises that also inside has the case band 22 of cavity as Fig. 6, and the cavity of case band 22 is responsible for 13 with the part cooling medium and is connected.The case band 22 that makes full use of the sandbox main body is provided with cavity therein makes the cooling medium circulation, has further simplified the structure of sandbox.
In another preferred embodiment of the present utility model, part heat reclaim line also comprises the one group of cooling medium arm 16 that is connected between the cooling medium person in charge 13 respectively, the sandbox main body comprises that also inside has the case band 22 of cavity, and cooling medium arm 16 is arranged in the cavity of case band 22 and is responsible for 13 with the part cooling medium and is connected.Cooling medium arm 16 is arranged in the cavity of case band 22, when being convenient to cooling medium arm 16 or case band 22 because of long-time the use and needing to change, both is changed separately.
As shown in Figure 5, in another preferred embodiment of the present utility model, part heat reclaim line also comprises the one group of cooling medium arm 16 that is connected between the cooling medium person in charge 13 respectively, and cooling medium arm 16 is arranged on the position that the interior desire of sandbox is provided with case band 22.
The heat reclaim unit that will have the cooling medium person in charge 13 and cooling medium arm 16 is arranged on the inside of sandbox main body, further help the absorption of heat, and cooling medium arm 16 is arranged on the position that desire is provided with case band 22 and not only can plays the effect of heat recovery, and can play the fixing effect of reinforcement sand mold in sandbox of case band 22.
As Fig. 4 and shown in Figure 7, the cooling medium of each heat recovery pipeline of preferred above-mentioned sandbox is responsible for 13 around 21 settings of sandbox wall.Cooling medium is responsible for 13 around 21 settings of sandbox wall, realizes reclaiming on the whole the purpose of heat from the sandbox main body.
The cooling medium of above-mentioned sandbox is responsible for 13 fixed form and can be changed along with the conversion of the sandbox wall of sandbox, and preferred sandbox wall 21 be an individual layer, and the cooling medium person in charge 13 is fixed on the inner surface or outer surface of sandbox wall 21; Sandbox wall 21 is for having the double-deck sandbox wall of interlayer, and cooling medium is responsible for 13 and is fixed in the interlayer.
As shown in Figure 5 and Figure 8, in order to make above-mentioned heat reclaim unit play good, uniform heat recovery effect, the cooling medium person in charge 13 of preferred above-mentioned sandbox is stacked along sandbox wall 21 in the vertical directions, and isocon 14 and collecting pipe 15 all vertically extend.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (14)
1. a heat reclaim unit that is used for sand casting is characterized in that, described heat reclaim unit comprises a plurality of heat recovery pipelines, and the two ends of described heat recovery pipeline form import and outlet respectively, and described heat reclaim unit also comprises:
Isocon (14) has a shunting import and a plurality of diffluence pass, and each described diffluence pass connects the import of each described heat recovery pipeline respectively;
Collecting pipe (15) has conflux outlet and a plurality of mouth that confluxes, and each described mouth that confluxes connects the outlet of each described heat recovery pipeline respectively;
Cooling medium inlet joint (11) is connected the shunting import department of described isocon (14);
Cooling medium outlet connection (12) is connected the shunting exit of described collecting pipe (15).
2. heat reclaim unit according to claim 1 is characterized in that, each described heat recovery pipeline is positioned at horizontal plane, and vertically stacked.
3. heat reclaim unit according to claim 2 is characterized in that, described isocon (14) and described collecting pipe (15) all vertically extend.
4. according to each described heat reclaim unit in the claim 1 to 3, it is characterized in that each described heat recovery pipeline comprises that respectively cooling medium is responsible for (13) and is connected one group of cooling medium arm (16) between the cooling medium person in charge (13).
5. heat reclaim unit according to claim 4 is characterized in that, described cooling medium arm (16) is responsible for (13) with the cooling medium of close the same side and is connected.
6. a sandbox is characterized in that, described sandbox comprises:
The sandbox main body has the die cavity that sandbox wall (21) and described sandbox wall (21) surround;
Heat reclaim unit, described heat reclaim unit comprises one or more heat recovery pipelines, the two ends of described heat recovery pipeline form import and outlet respectively, be fixed in the described die cavity or on the described sandbox wall (21) to the described heat recovery pipeline of small part, the import of described heat recovery pipeline and outlet all are connected with the outside of described sandbox main body.
7. sandbox according to claim 6 is characterized in that, described heat reclaim unit comprises a plurality of described heat recovery pipelines, and described heat reclaim unit also comprises:
Isocon (14) has shunting import and an a plurality of diffluence pass, and each described diffluence pass connects the import of each described heat recovery pipeline respectively, and described isocon (14) is fixed in the described die cavity or on the described sandbox wall (21);
Collecting pipe (15) has conflux outlet and a plurality of mouth that confluxes, and each is described, and the mouth that confluxes connects outlet of each described heat recovery pipeline respectively, and described collecting pipe (15) is fixed in the described die cavity or on the described sandbox wall (21);
Cooling medium inlet joint (11) is connected the shunting import department of described isocon (14) and is connected with the outside of described sandbox;
Cooling medium outlet connection (12) is connected the shunting exit of described collecting pipe (15) and is connected with the outside of described sandbox.
8. sandbox according to claim 7, it is characterized in that, each described heat recovery pipeline comprises the cooling medium person in charge (13) respectively, and described cooling medium is responsible for (13), described isocon (14) and described collecting pipe (15) and is fixed on the described sandbox wall (21).
9. sandbox according to claim 8 is characterized in that, described sandbox main body comprises that also inside has the case band (22) of cavity, and the cavity of described case band (22) is responsible for (13) with the part cooling medium and is connected.
10. sandbox according to claim 8, it is characterized in that, the described heat recovery pipeline of part also comprises the one group of cooling medium arm (16) that is connected between the cooling medium person in charge (13) respectively, described sandbox main body comprises that also inside has the case band (22) of cavity, and described cooling medium arm (16) is arranged in the cavity of described case band (22) and is responsible for (13) with the described cooling medium of part and is connected.
11. sandbox according to claim 8, it is characterized in that, each described heat recovery pipeline of part also comprises the one group of cooling medium arm (16) that is connected between the cooling medium person in charge (13) respectively, and described cooling medium arm (16) is arranged on the position that the interior desire of described sandbox is provided with case band (22).
12. to 11 each described sandboxes, it is characterized in that according to Claim 8 the described cooling medium of each described heat recovery pipeline is responsible for (13) and is provided with around described sandbox wall (21).
13. sandbox according to claim 12 is characterized in that,
Described sandbox wall (21) is an individual layer, and described cooling medium is responsible for (13) and is fixed on the inner surface or outer surface of described sandbox wall (21);
Described sandbox wall (21) is for having the double-deck sandbox wall of interlayer, and described cooling medium is responsible for (13) and is fixed in the described interlayer.
14. sandbox according to claim 13 is characterized in that, it is stacked along described sandbox wall (21) in the vertical direction that described cooling medium is responsible for (13), and described isocon (14) and described collecting pipe (15) all extend along described vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665163 CN203091671U (en) | 2012-12-05 | 2012-12-05 | Heat energy recovery device for sand mould casting and sand box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665163 CN203091671U (en) | 2012-12-05 | 2012-12-05 | Heat energy recovery device for sand mould casting and sand box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203091671U true CN203091671U (en) | 2013-07-31 |
Family
ID=48843116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665163 Expired - Lifetime CN203091671U (en) | 2012-12-05 | 2012-12-05 | Heat energy recovery device for sand mould casting and sand box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203091671U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511452A (en) * | 2017-09-30 | 2017-12-26 | 山西好利阀机械制造有限公司 | A kind of waste heat recycling type knockout case |
| CN107716859A (en) * | 2017-12-11 | 2018-02-23 | 上海魁殊自动化科技有限公司 | A kind of case casting device altogether |
| CN108759478A (en) * | 2018-06-29 | 2018-11-06 | 中冶长天国际工程有限责任公司 | Preheating furnace on sintering machine machine |
| CN111468679A (en) * | 2020-04-27 | 2020-07-31 | 芜湖泓鹄材料技术有限公司 | Car stamping die ductile iron drawing die profile cooling frock |
-
2012
- 2012-12-05 CN CN 201220665163 patent/CN203091671U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511452A (en) * | 2017-09-30 | 2017-12-26 | 山西好利阀机械制造有限公司 | A kind of waste heat recycling type knockout case |
| CN107716859A (en) * | 2017-12-11 | 2018-02-23 | 上海魁殊自动化科技有限公司 | A kind of case casting device altogether |
| CN107716859B (en) * | 2017-12-11 | 2024-02-13 | 阜新建兴金属有限公司 | Co-tank casting device |
| CN108759478A (en) * | 2018-06-29 | 2018-11-06 | 中冶长天国际工程有限责任公司 | Preheating furnace on sintering machine machine |
| CN111468679A (en) * | 2020-04-27 | 2020-07-31 | 芜湖泓鹄材料技术有限公司 | Car stamping die ductile iron drawing die profile cooling frock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203091671U (en) | Heat energy recovery device for sand mould casting and sand box | |
| CN105499504B (en) | A kind of technique of lost foam casting wearing piece | |
| CN103071765A (en) | Partial air cooling method for precast aperture passage in investment casting shell | |
| CN104985160B (en) | The preparation method of blast furnace cooling stave | |
| CN201231301Y (en) | Molding-sand cooler | |
| CN103586412B (en) | Method for casting ledges of middle troughs of scraper conveyer by V (vacuum) method | |
| CN103894538B (en) | Precoated sand thermal reclamation equipment and renovation process thereof | |
| CN206455888U (en) | A kind of separate type injection machine feeding device | |
| CN103949618A (en) | Casting heat-recovery and temperature-control chilling block and cooling method of heat recovery | |
| CN206276871U (en) | A kind of evaporative pattern of electric machine casing | |
| CN207205180U (en) | A kind of semi-enclosed quick sand machine | |
| CN202741685U (en) | Metal liquid filtering device | |
| CN212792908U (en) | Cast iron production line | |
| CN104748571B (en) | Mobile top cap type high temperature smelting furnace slag runner regenerative heat exchanger and exhaust heat recovering method | |
| CN207556262U (en) | A kind of smelting furnace device of vertical die-casting machine | |
| CN101216248A (en) | Copper casting system for producing oxygen-free copper | |
| CN207170850U (en) | A kind of molding sand residual heat using device | |
| CN208261790U (en) | The precoated sand preparation collaboration complete regenerative system of clay old sand | |
| CN208555907U (en) | A kind of core shooter convenient for connecing core | |
| CN207823886U (en) | A kind of sandbox of sand casting heat-recoverable | |
| CN204535438U (en) | Mobile top cap type high temperature smelting furnace slag runner regenerative heat exchanger | |
| CN206009804U (en) | A kind of forge furnace with fume dust remover | |
| CN206613269U (en) | A kind of tail gas of sulphur processing unit | |
| CN206875939U (en) | A kind of environmentally friendly furnace cupola | |
| CN206056233U (en) | A kind of furnace cupola of melting iron |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |
|
| CX01 | Expiry of patent term |