CN108994254A - A kind of molding sand rapid cooling reuse means - Google Patents
A kind of molding sand rapid cooling reuse means Download PDFInfo
- Publication number
- CN108994254A CN108994254A CN201810868713.8A CN201810868713A CN108994254A CN 108994254 A CN108994254 A CN 108994254A CN 201810868713 A CN201810868713 A CN 201810868713A CN 108994254 A CN108994254 A CN 108994254A
- Authority
- CN
- China
- Prior art keywords
- condenser pipe
- sand
- molding sand
- motor
- accumulator tank
- 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.)
- Granted
Links
- 239000003110 molding sand Substances 0.000 title claims abstract description 49
- 238000001816 cooling Methods 0.000 title abstract description 30
- 239000004576 sand Substances 0.000 claims abstract description 40
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 20
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 230000007306 turnover Effects 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 13
- 239000000498 cooling water Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 244000035744 Hura crepitans Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/02—Vibratory apparatus specially designed for shaking out flasks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a kind of molding sand to be quickly cooled down reuse means, including pedestal, pedestal upper end is equipped with supporting leg and support, supporting leg upper end is fixed with accumulator tank, support is equipped with support roller and motor two, two main shaft of motor is connect with support roller, condenser pipe is equipped in accumulator tank, condenser pipe both ends extend outwardly from accumulator tank side and both ends are equipped with rolling ring, rolling ring and support roller, which roll, to be connected, the two sides of condenser pipe are respectively equipped with rotary joint one and rotary joint two, the inner wall of condenser pipe is equipped with multiple condensation branch pipes, the outer wall of condenser pipe is equipped with several stirring sheets, pedestal both ends are additionally provided with side stand, side stand upper end is fixed with upper bracket, upper bracket upper end side is fixed with motor one and slide, the main shaft of motor one is equipped with runner, runner is equipped with hinged connecting rod by the position of proximal wall, connecting rod one end is hinged with slide bar, slide bar is fixedly arranged at the front end with sieve sand Device, the present apparatus compare traditional cooling means, and each position cooling rate of molding sand is consistent, and cooling efficiency is high.
Description
Technical field
The invention belongs to casting technology fields, specifically, the present invention relates to a kind of molding sand to be quickly cooled down reuse means.
Background technique
After the completion of steel casting, the temperature of molding sand is still higher, cannot use at once, can be only placed at naturally cold in air
But, when carrying out batch casting, a large amount of molding sand can be shelved every time and are aside cooled down, not only occupied ground also makes molding sand
Utilization rate reduces.
Patent No. CN2016212077583 discloses a kind of sand casting casting water-circulating cooling device, it is related to casting skill
Art field；It includes top box, nowel, upper cooling water pipeline, lower cooling water pipeline, water inlet connecting pipe, water inlet pipe, recirculated water
Pump, cooling tower, water outlet connecting pipe, outlet pipe；Several upper cooling water pipes are set side by side in the top box and nowel respectively
One end of road and lower cooling water pipeline, several upper cooling water pipelines and lower cooling water pipeline passes through water inlet connecting pipe and water inlet pipe
Connection, water inlet pipe are connect with water circulating pump, and water circulating pump is connect with cooling tower, several upper cooling water pipelines and lower cooling water pipeline
The other end by be discharged connecting pipe connect with outlet pipe, outlet pipe is connect with cooling tower, and the device in sandbox by setting
Crooked pipeline is set, and is passed through cooling water to reach cooling effect, when being all type that is fixed, making due to cooling tube and molding sand
Sand part remoter with a distance from cooling tube while cooling, the cooling effect of molding sand is poorer, and the molding sand close to cooling tube position
After temperature rapid decrease, cooling tube reduces its cooling effect, and cooling rate slows down.
Summary of the invention
The present invention provides a kind of molding sand rapid cooling reuse means, caused by the prior art above-mentioned multinomial scarce to solve
It falls into.
To achieve the goals above, the technical scheme adopted by the invention is as follows: a kind of molding sand is quickly cooled down reuse means, packet
Pedestal is included, the pedestal upper end is equipped with supporting leg and support, and the supporting leg upper end is fixed with accumulator tank, and the support is equipped with support roller
With motor two, two main shaft of motor is connect with support roller, is equipped with condenser pipe in the accumulator tank, and the condenser pipe both ends are from recycling
Slot side extends outwardly and both ends are equipped with rolling ring, and the rolling ring and support roller, which roll, to be connected, the two sides difference of the condenser pipe
Equipped with rotary joint one and rotary joint two, the inner wall of the condenser pipe is equipped with multiple condensation branch pipes, described to condense the two of branch pipe
End is connected to rotary joint one and rotary joint two respectively, and the outer wall of the condenser pipe is equipped with several stirring sheets, the bottom
Seat both ends are additionally provided with side stand, and the side stand upper end is fixed with upper bracket, and upper bracket upper end side is fixed with motor one
And slide, the main shaft of the motor one are equipped with runner, the runner is equipped with hinged connecting rod, the connecting rod by the position of proximal wall
One end is hinged with slide bar, and the slide bar is slidably connected with slide, and the slide bar is fixedly arranged at the front end with sand sifter, the sand sifter
One end be fixed with spring, the spring one end is fixed on upper bracket, and sand draining port, the sand leakage are equipped in the middle part of the upper bracket
Mouth is located at below sand sifter.
Preferably, the lower end of the accumulator tank is equipped with hinged turnover panel, and described turnover panel one end is locked equipped with C-shaped, the C-shaped lock
Front end be located on accumulator tank inner wall.
Preferably, the stirring sheet tilt distribution in condensation pipe surface and is 15-20 ° with the radial line angle of condenser pipe,
The stirring sheet is made of copper product and along condensation branch pipe distribution.
Preferably, the sand sifter includes metal plate, and four sides of the metal plate are equipped with backplate, is set on the metal plate
There are several through-holes, the lower end of the metal plate is equipped with sieve.
Preferably, the side of the sand sifter is equipped with idler wheel, and the two sides of the upper bracket are equipped with sliding rail, the idler wheel with
Sliding rail is slidably connected.
It is using the beneficial effect of above technical scheme:
1, the present apparatus improves the contact area of condensation branch pipe and molding sand by stirring molding sand, keeps the molding sand of various pieces equal
It can be contacted with condensation branch pipe, compared to traditional cooling means, each position cooling rate of molding sand is consistent, and cooling efficiency is high, avoids
There is the low position temperature far from condensation branch pipe of the close position temperature for condensing branch pipe still higher situation；
2, the whereabouts of molding sand is controlled using C-shaped lock and turnover panel, structure is simple, and operation is easy；
3, the rollover effect to molding sand is improved using the stirring sheet being obliquely installed, expands the contact surface of condensation branch pipe and molding sand
Product improves cooling rate；
4, casting and molding sand are supported using metal plate, are suitble to the sieve sand operation of the metal casting of heavier mass；
5, it is integrally supported using pair of rollers sand sifter, while idler wheel carries out reciprocating rolling on the slide rail, to sieve sand
Device play the guiding role in the direction of reciprocating motion, guarantees that sand sifter will not generate deviation and shake.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention；
Fig. 2 is accumulator tank internal view of the invention；
Fig. 3 is sand sifter schematic diagram；
Fig. 4 is distribution schematic diagram of the stirring sheet in condensation pipe outer wall.
Wherein: 1- motor one, 2- runner, 3- connecting rod, 4- slide bar, 5- slide, 6- sand sifter, 61- metal plate, 62- are logical
Hole, 63- sieve, 64- backplate, 7- sliding rail, 8- idler wheel, 9- spring, 10- upper bracket, 11- side stand, 12- sand draining port, 13- recycling
Slot, 131- turnover panel, 132-C shape lock, 14- rolling ring, 15- condenser pipe, 151- condense branch pipe, 152- stirring sheet, 16- rotary joint
One, 17- support roller, 18- motor two, 19- supporting leg, 20- support, 21- pedestal, 22- rotary joint two.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
As shown in Figs 1-4, the present invention is a kind of molding sand rapid cooling reuse means, including pedestal 21, the pedestal 21
Upper end is equipped with supporting leg 19 and support 20, and 19 upper end of supporting leg is fixed with accumulator tank 13, and the support 20 is equipped with 17 He of support roller
Motor 2 18,2 18 main shaft of motor are connect with support roller 17, are equipped with condenser pipe 15, the condenser pipe 15 in the accumulator tank 13
Both ends extend outwardly from 13 side of accumulator tank and both ends are equipped with rolling ring 14, and the rolling ring 14 is rolled with support roller 17 to be connected, institute
The two sides for stating condenser pipe 15 are respectively equipped with rotary joint 1 and rotary joint 2 22, and the inner wall of the condenser pipe 15 is equipped with multiple
Branch pipe 151 is condensed, the both ends of the condensation branch pipe 151 are connected to rotary joint 1 and rotary joint 2 22 respectively, described cold
The outer wall of solidifying pipe 15 is equipped with several stirring sheets 152, and 21 both ends of pedestal are additionally provided with side stand 11, on the side stand 11
End is fixed with upper bracket 10, and the 10 upper end side of upper bracket is fixed with motor 1 and slide 5, and the main shaft of the motor 1 is set
There is runner 2, the runner 2 is equipped with hinged connecting rod 3 by the position of proximal wall, and described 3 one end of connecting rod is hinged with slide bar 4, described
Slide bar 4 is slidably connected with slide 5, and the slide bar 4 is fixedly arranged at the front end with sand sifter 6, and one end of the sand sifter 6 is fixed with bullet
Spring 9, described 9 one end of spring are fixed on upper bracket 10, and sand draining port 12, the sand draining port 12 are equipped in the middle part of the upper bracket 10
In 6 lower section of sand sifter.
In the present embodiment, the lower end of the accumulator tank 13 is equipped with hinged turnover panel 131, and described 131 one end of turnover panel is equipped with C-shaped
The front end of lock 132, the C-shaped lock 132 is located on 13 inner wall of accumulator tank, and when carrying out cooling operations, rotation C-shaped lock 132 makes C-shaped
The front end of lock 132 is located on 13 inner wall of accumulator tank, and turnover panel 131 pushes under the gravity of molding sand, and C-shaped lock 132 receives downwards
Pressure, keep turnover panel 131 fixed, after molding sand is cooling, rotation C-shaped lock 132 makes the front end of C-shaped lock 132 turn to turnover panel 131
Upper end, turnover panel 131 is opened downwards under the effect of gravity at this time, and molding sand falls.
In the present embodiment, 152 tilt distribution of stirring sheet 15 surface of condenser pipe and with the radial wire clamp of condenser pipe 15
Angle is 15-20 °, and the stirring sheet 152 is made of copper product and is distributed along condensation branch pipe 151, stirring sheet 152 and condensation branch pipe
151 connections, also play heat transfer while stirring molding sand, and stirring sheet 152 increases condensation branch pipe 151 and molding sand
Contact area makes heat quickly pass to condensation branch pipe 151 by stirring sheet 152.
In the present embodiment, the sand sifter 6 includes metal plate 61, and four sides of the metal plate 61 are equipped with backplate 64, institute
Metal plate 61 is stated equipped with several through-holes 62, the lower end of the metal plate 61 is equipped with sieve 63, the quality of casting and molding sand compared with
Weight, is supported casting and molding sand with metal plate 61, and in reciprocating screen sand operation, molding sand falls into sieve 63 from through-hole 62,
It is sieved again by sieve 63, molding sand is leaked out from sieve 63, and sieve 63 filters metallic residue when casting, and backplate 64 plays guarantor
The effect for protecting casting, prevents casting from sliding from sand sifter 6 to outside.
In the present embodiment, the side of the sand sifter 6 is equipped with idler wheel 8, and the two sides of the upper bracket 10 are equipped with sliding rail 7,
The idler wheel 8 is slidably connected with sliding rail 7, and sand sifter 6 is when moving reciprocatingly, and since itself is higher together with casting quality, holds
It is also easy to produce violent shaking, is slided on sliding rail 7 using idler wheel 8, it is made to be supported guiding to sand sifter 6.
Based on a kind of above-mentioned, molding sand rapid cooling reuse means of structure of the invention, the working principle of the present apparatus are as follows:
Water inlet pipe is connected on rotary joint 1, connects outlet pipe on rotary joint 2 22, and the sandbox cast is placed on sand sifter 6
On, remove sandbox, start motor 1, motor 1 drives runner 2 to rotate, runner 2 by connecting rod 3 with moving slide-bar 4 in slide 5
It moves reciprocatingly, slide bar 4 makes sand sifter 6 do faster reciprocal motion, and spring 9 plays fixed function, sand sifter to sand sifter 6
6 spread out casting and molding sand, and molding sand is leaked out from sand sifter 6, and enter in accumulator tank 13 from sand draining port 12, starting electricity
Machine 2 18, and cooling water is passed through from rotary joint 1, cooling water enters condensation branch pipe 151, condensation branch pipe 151 and whereabouts
Molding sand contacts and by the heat absorption of molding sand, and motor 2 18 drives support roller 17 to rotate, and support roller 17 drives rolling ring 14 to rotate, rolling
Ring 14 drives condenser pipe 15 to rotate, and when condenser pipe 15 rotates, stirring sheet 152 makes the molding sand in accumulator tank 13 not stop to overturn, and makes type
Sand is kept in motion, and during the motion, each section molding sand is contacted with the outer wall of condensation branch pipe 151, and cooling water flows through cold
It when solidifying branch pipe 151, by the heat absorption on molding sand and takes away, the water pipe discharge finally connected from rotational structure two, rotation connects
First 16 and rotary joint 2 22 make condenser pipe 15 rotation when, connection water pipe be able to maintain it is motionless, avoid interference condenser pipe
15 rotation, molding sand temperature is down in normal use temperature range after a certain period of time, is closed motor 2 18 and is stopped cooling water
Injection, the present apparatus improve the contact area of condensation branch pipe 151 and molding sand by stirring molding sand, make the equal energy of the molding sand of various pieces
It is contacted with condensation branch pipe 151, compared to traditional cooling means, each position cooling rate of molding sand is consistent, and cooling efficiency is high, avoids
There is the low position temperature far from condensation branch pipe 151 of the close position temperature for condensing branch pipe 151 still higher situation.
The present invention is exemplarily described in conjunction with attached drawing above, it is clear that the present invention implements not by above-mentioned side
The limitation of formula, as long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (5)
1. a kind of molding sand is quickly cooled down reuse means, it is characterised in that: including pedestal (21), pedestal (21) upper end is equipped with
Supporting leg (19) and support (20), supporting leg (19) upper end are fixed with accumulator tank (13), and the support (20) is equipped with support roller
(17) it is connect with motor two (18), motor two (18) main shaft with support roller (17), condenser pipe is equipped in the accumulator tank (13)
(15), condenser pipe (15) both ends extend outwardly from accumulator tank (13) side and both ends are equipped with rolling ring (14), the rolling
Ring (14) and support roller (17), which roll, to be connected, and the two sides of the condenser pipe (15) are respectively equipped with rotary joint one (16) and rotary joint
Two (22), the inner wall of the condenser pipe (15) are equipped with multiple condensation branch pipes (151), the both ends difference of condensation branch pipe (151)
It is connected to rotary joint one (16) and rotary joint two (22), the outer wall of the condenser pipe (15) is equipped with several stirring sheets
(152), pedestal (21) both ends are additionally provided with side stand (11), and side stand (11) upper end is fixed with upper bracket (10), institute
It states upper bracket (10) upper end side and is fixed with motor one (1) and slide (5), the main shaft of the motor one (1) is equipped with runner (2),
The runner (2) is equipped with hinged connecting rod (3) by the position of proximal wall, and described connecting rod (3) one end is hinged with slide bar (4), described
Slide bar (4) is slidably connected with slide (5), and the slide bar (4) is fixedly arranged at the front end with sand sifter (6), and the one of the sand sifter (6)
End is fixed with spring (9), and described spring (9) one end is fixed on upper bracket (10), and sand leakage is equipped in the middle part of the upper bracket (10)
Mouth (12), the sand draining port (12) are located at below sand sifter (6).
2. a kind of molding sand according to claim 1 is quickly cooled down reuse means, it is characterised in that: the accumulator tank (13)
Lower end be equipped with hinged turnover panel (131), described turnover panel (131) one end is equipped with C-shaped lock (132), before C-shaped lock (132)
End is located on accumulator tank (13) inner wall.
3. a kind of molding sand according to claim 1 is quickly cooled down reuse means, it is characterised in that: the stirring sheet
(152) tilt distribution is 15-20 ° on condenser pipe (15) surface and with the radial line angle of condenser pipe (15), the stirring sheet
(152) it is made of copper product and is distributed along condensation branch pipe (151).
4. a kind of molding sand according to claim 1 is quickly cooled down reuse means, it is characterised in that: the sand sifter
It (6) include metal plate (61), four sides of the metal plate (61) are equipped with backplate (64), and the metal plate (61) is equipped with several
The lower end of through-hole (62), the metal plate (61) is equipped with sieve (63).
5. a kind of molding sand according to claim 1 is quickly cooled down reuse means, it is characterised in that: the sand sifter
(6) side is equipped with idler wheel (8), and the two sides of the upper bracket (10) are equipped with sliding rail (7), and the idler wheel (8) and sliding rail (7) are slided
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868713.8A CN108994254B (en) | 2018-08-02 | 2018-08-02 | Quick cooling and recycling device for molding sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868713.8A CN108994254B (en) | 2018-08-02 | 2018-08-02 | Quick cooling and recycling device for molding sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108994254A true CN108994254A (en) | 2018-12-14 |
| CN108994254B CN108994254B (en) | 2020-04-21 |
Family
ID=64594508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868713.8A Active CN108994254B (en) | 2018-08-02 | 2018-08-02 | Quick cooling and recycling device for molding sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108994254B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040530A (en) * | 2019-06-03 | 2019-07-23 | 山东天承矿业有限公司 | A kind of dry particl refrigerating device for materials |
| CN110153366A (en) * | 2019-04-08 | 2019-08-23 | 六安市叶集区鑫瑞金属制品有限责任公司 | A laboratory sand cooling device |
| CN117161310A (en) * | 2023-09-27 | 2023-12-05 | 河北瑞欧智能装备有限公司 | Sand cooling device for casting |
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| CN107377871A (en) * | 2017-08-09 | 2017-11-24 | 夏邑县瑞鑫汽配科技有限公司 | A kind of molding sand cooling device |
| CN207254265U (en) * | 2017-09-13 | 2018-04-20 | 天门市诚鑫化工有限公司 | A kind of blender with cooling device |
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| JPS5130221Y2 (en) * | 1972-02-18 | 1976-07-30 | ||
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| CN204866139U (en) * | 2015-07-29 | 2015-12-16 | 肇庆华欣特化工涂料有限公司 | Improved generation horizontal mill |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153366A (en) * | 2019-04-08 | 2019-08-23 | 六安市叶集区鑫瑞金属制品有限责任公司 | A laboratory sand cooling device |
| CN110153366B (en) * | 2019-04-08 | 2024-04-12 | 六安市叶集区鑫瑞金属制品有限责任公司 | A laboratory sand cooling device |
| CN110040530A (en) * | 2019-06-03 | 2019-07-23 | 山东天承矿业有限公司 | A kind of dry particl refrigerating device for materials |
| CN117161310A (en) * | 2023-09-27 | 2023-12-05 | 河北瑞欧智能装备有限公司 | Sand cooling device for casting |
| CN117161310B (en) * | 2023-09-27 | 2024-03-12 | 河北瑞欧智能装备有限公司 | Sand cooling device for casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108994254B (en) | 2020-04-21 |
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Effective date of registration: 20240723 Address after: 241000 Fanchang Economic Development Zone, Fanchang Economic Development Zone, Wuhu City, Anhui Province Patentee after: ANHUI ENDA VALVE MACHINERY Co.,Ltd. Country or region after: China Address before: 241000 Shuikou Village, Sun Village, Fanchang County, Wuhu City, Anhui Province Patentee before: FANCHANG COUNTY GREAT WALL FOUNDRY (GENERAL PARTNERSHIP) Country or region before: China |