CN110918874A - Environment-friendly sand core production system - Google Patents
Environment-friendly sand core production system Download PDFInfo
- Publication number
- CN110918874A CN110918874A CN201911388927.6A CN201911388927A CN110918874A CN 110918874 A CN110918874 A CN 110918874A CN 201911388927 A CN201911388927 A CN 201911388927A CN 110918874 A CN110918874 A CN 110918874A
- Authority
- CN
- China
- Prior art keywords
- sand
- production system
- core production
- shakeout
- resin
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 239000004576 sand Substances 0.000 claims abstract description 91
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- 239000003110 molding sand Substances 0.000 claims abstract description 25
- 230000008929 regeneration Effects 0.000 claims abstract description 20
- 238000011069 regeneration method Methods 0.000 claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 238000012216 screening Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 9
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
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
- B22C5/18—Plants for preparing mould materials
-
- 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
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The invention belongs to the sand core production field and discloses an environment-friendly sand core production system; the method comprises the following steps: the system comprises a shakeout system, a crushing system, a regeneration system and a sand mixing system; the shakeout system is used for separating the molding sand from the casting in the casting mould and collecting the separated molding sand; the crushing system is used for crushing and separating the resin on the surface of the molding sand and recovering the sand; the regeneration system is used for screening and demolding the recovered sand grains to obtain regenerated sand; and the sand mixing system is used for stirring and mixing the reclaimed sand with the added resin and curing agent to obtain the resin reclaimed sand. The production system disclosed by the invention has the advantages that all parts are cooperatively and separately operated, so that the production system realizes high automation, the production efficiency is improved, the use effect is good, the recycling rate is improved, and the environmental protection performance is good.
Description
Technical Field
The invention relates to the technical field of sand core production, in particular to an environment-friendly sand core production system.
Background
Resin sand crystalp plastic pellets are angular pellets made of thermoplastic acrylic or polymeric thermosetting amines. The Crystrip plastic has chemical inertness, and through proper use and recycling of resin sand Crystrip plastic particles, the generation of harmful waste can be reduced, the environmental pollution is reduced, and the environment-friendly performance is good, so the Crystrip plastic is also called as an environment-friendly sand core.
The significance of resin sand production lies in: (1) the environmental pollution caused by the discharge of the waste sand is reduced to the maximum extent, and more than 90 percent of the waste sand can be recycled. (2) Because the reclaimed sand particles have smooth surfaces, uniform particle size distribution and less micro powder, the expensive resin can be saved by more than 20 percent. (3) The reclaimed sand has good thermal stability, less thermal expansion, stable chemical performance, reduced acid consumption value and easily controlled resin sand performance, is beneficial to improving the quality of castings and reducing the defects of vein, mechanical sand adhesion and the like. The existing production line structure of the environment-friendly sand core is relatively complex, and a forming production system is not formed yet, so that how to provide the production system of the environment-friendly sand core is a technical problem to be solved by technical personnel in the field.
Disclosure of Invention
Aiming at the problems that the existing production line structure of the environment-friendly sand core in the prior art is relatively complex and a formed production system is not formed; the invention provides an environment-friendly sand core production system.
In order to solve the technical problems, the invention adopts the following technical scheme:
designing an environmental protection psammitolite production system, including: a shakeout system for separating the molding sand from the casting in the mold and collecting the separated molding sand; a crushing system for crushing and separating the resin on the surface of the molding sand and recovering the sand; the regeneration system is used for screening and demolding the recovered sand grains to obtain regenerated sand; a sand mulling system; and the resin reclaimed sand is used for stirring and mixing the reclaimed sand with the added resin and curing agent to obtain the resin reclaimed sand.
Preferably, the shakeout system comprises a shakeout machine.
Preferably, the shakeout system further comprises: a first sorter for primary sorting of the sand separated by the shakeout machine, and: and the sand storage warehouse is used for temporarily storing the molding sand sorted by the first sorting machine.
Preferably, the crushing system comprises a crusher.
Preferably, a lifting device for lifting the molding sand is arranged between the sand storage bin and the crusher.
Preferably, the lifting device is a bucket elevator.
Preferably, the regeneration system comprises: the second separator is used for separating sand grains crushed by the crusher, inputting the sand grains subjected to demolding into the regenerator, and conveying the sand grains which are not demolded or are not demolded completely to the crusher for continuous crushing treatment; the regenerating machine is used for regenerating the sand grains after the demoulding treatment.
Preferably, the regenerator is a friction regenerator.
Preferably, a constant temperature adjusting device is further arranged between the regeneration system and the sand mulling system and used for cooling the regenerated sand regenerated by the regeneration system and keeping constant temperature treatment.
Preferably, the first sorting machine and the second sorting machine are crawler-type material sorting machines
The invention has the beneficial effects that:
(1) the production system disclosed by the invention has the advantages that all parts are cooperatively and separately operated, so that the production system realizes high automation and the production efficiency is improved.
(2) The production system disclosed by the invention can effectively remove residual resin and other impurities in the sand, so that the recycled sand meets the granularity requirement, and finally, the recycled sand can be sprayed again to form new resin sand, so that the use effect is good, the recycling rate is improved, and the environmental protection performance is good.
Drawings
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
Fig. 1 is a schematic structural diagram of a production system according to an embodiment of the present invention.
In the figure: the system comprises a shakeout system 1, a shakeout machine 11, a first sorting machine 12, a sand storage warehouse 13, a crushing system 2, a lifting device 21, a crushing machine 22, a regeneration system 3, a second sorting machine 31, a regeneration machine 32, a constant temperature adjusting device 4 and a sand mixing system 5.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an environment-friendly sand core production system, comprising: the system comprises a shakeout system 1, a crushing system 2, a regeneration system 3 and a sand mixing system 5; the shakeout system 1 is used for separating the molding sand from the casting in the casting mold and collecting the separated molding sand; the crushing system 2 is used for crushing and separating the resin on the surface of the molding sand and recovering the sand; the regeneration system 3 is used for screening and demoulding the recovered sand grains to obtain regenerated sand; and the sand mixing system 5 is used for stirring and mixing the reclaimed sand with the added resin and curing agent to obtain resin reclaimed sand.
In the embodiment of the invention, firstly, the molding sand and the casting in the casting mold are separated by the shakeout system 1, and the separated molding sand is collected, so that the molding sand in the casting mold can be recycled; then, crushing and separating the resin on the surface of the molding sand by using a crushing system 2 to obtain small-particle sand grains; then, screening sand grains by using a regeneration system 3, and selecting sand grains with proper grain sizes for demoulding treatment to obtain regenerated sand for production; and finally, stirring and mixing the reclaimed sand with the added resin and curing agent through a sand mixing system 5 to obtain the resin reclaimed sand. The production system disclosed by the embodiment of the invention has the advantages that all parts are cooperatively and separately operated, so that the production system realizes high automation and the production efficiency is improved. Meanwhile, the production system can effectively remove residual resin and other impurities in the sand, so that the recycled sand meets the requirement on granularity, and finally, the recycled sand can be sprayed again to form new resin sand, so that the use effect is good, the recycling rate is improved, and the environmental protection performance is good.
Further, the shakeout system includes a shakeout machine 11, and the shakeout system further includes: a first sorter 12 for primary sorting of the sand separated by the shakeout machine, and: a sand storage 13 for temporarily storing the molding sand sorted by the first sorter 12.
Further, the crushing system comprises a crusher 22, a lifting device 21 for lifting the molding sand is arranged between the sand storage 13 and the crusher 22, and the lifting device 21 is a bucket elevator.
Further, the regeneration system 3 includes: a second separator 31 and a regenerator 32, wherein the second separator 31 is used for separating sand grains after being crushed by the crusher 22, inputting the sand grains after being demolded into the regenerator 32, and conveying the sand grains which are not demolded or are not demolded completely to the crusher 22 for continuous crushing treatment; the regenerator 32 is used for regenerating the sand after the mold release treatment, and the regenerator 32 is a friction regenerator.
Further, a constant temperature adjusting device 4 is further arranged between the regeneration system 3 and the sand mulling system 5 and used for cooling the regenerated sand regenerated by the regeneration system 3 and keeping constant temperature treatment.
Specifically, the first separator 12 and the second separator 31 are crawler-type material separators.
In the embodiment of the present invention, the first sorting machine 12 is arranged to sort the molding sand that is primarily separated, and meanwhile, the first sorting machine 12 adopts a crawler-type material sorting machine to sort more kinds of impurities than the magnetic sorting machine in the prior art, so that the purity of the molding sand is improved; the sand storage 13 can play a role in caching, the problem of mismatching caused by inconsistent production capacity of front and rear production lines is avoided, and a bucket elevator is adopted as the lifting device 21, so that the lifting effect can be improved, the occupied area can be saved, and the sand storage is suitable for large, medium and small-sized factories; meanwhile, the second sorting machine 31 arranged in the regeneration system 3 adopts a crawler-type material sorting machine, compared with a magnetic sorting machine in the prior art, more kinds of impurities can be sorted out, the purity of the molding sand is improved, and simultaneously, the sand grains which are sorted out to be demolded or not thorough in demolded are returned to the crushing system 2 again for crushing, so that all the sand grains can be completely crushed and demolded, the sand core can be recovered with the maximum efficiency, and compared with the prior art, the recovery efficiency of the sand core is greatly improved; and the constant temperature adjusting device 4 arranged between the regeneration system 3 and the sand mulling system 5 can be used for cooling the regenerated sand regenerated by the regeneration system 3 and keeping constant temperature treatment so as to keep the regenerated sand entering the sand mulling system 5 for mixing at the most suitable temperature, generally within the range of 20-35 ℃, and finally, the resin regenerated sand is obtained by mixing through the sand mulling system 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An environmental protection psammitolite production system which characterized in that includes:
a shakeout system (1) for separating the molding sand from the casting in the mold and collecting the separated molding sand;
a crushing system (2) for crushing and separating the resin on the surface of the molding sand and recovering the sand;
the regeneration system (3) is used for screening and demolding the recovered sand grains to obtain regenerated sand;
a sand mulling system (5); and the resin reclaimed sand is used for stirring and mixing the reclaimed sand with the added resin and curing agent to obtain the resin reclaimed sand.
2. An environmental protection sand core production system according to claim 1, wherein the shakeout system comprises a shakeout machine (11).
3. The system of claim 2, wherein the shakeout system further comprises:
a first sorter (12) for primary sorting of the sand separated by the shakeout machine, and:
a sand storage warehouse (13) for temporarily storing the molding sand sorted by the first sorter (12).
4. An environmental protection sand core production system according to claim 3, wherein the breaker system comprises a breaker (22).
5. An environment friendly sand core production system as claimed in claim 4, wherein a lifting device (21) for lifting the molding sand is provided between the sand storage (13) and the crusher (22).
6. An environmental protection sand core production system according to claim 5, wherein the lifting device (21) is a bucket elevator.
7. An environmental protection sand core production system according to claim 3, wherein the reclamation system (3) comprises: the second separator (31) is used for separating sand grains after being crushed by the crusher (22), the sand grains after being demolded are input into the regenerator (32), and the sand grains which are not demolded or are not demolded completely are conveyed to the crusher (22) to continue crushing treatment; the regenerating machine (32) is used for regenerating the sand grains after the demoulding treatment.
8. An environmental protection sand core production system according to claim 6, wherein the regenerating machine (32) is a friction type regenerating machine.
9. The environment-friendly sand core production system as claimed in claim 1, wherein a constant temperature adjusting device (4) is further arranged between the regeneration system (3) and the sand mixing system (5) and is used for cooling and maintaining constant temperature treatment on the regenerated sand regenerated by the regeneration system (3).
10. An environmentally friendly sand core production system as claimed in claim 7, wherein the first sorter (12) and the second sorter (31) are crawler type material sorters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388927.6A CN110918874A (en) | 2019-12-30 | 2019-12-30 | Environment-friendly sand core production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388927.6A CN110918874A (en) | 2019-12-30 | 2019-12-30 | Environment-friendly sand core production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110918874A true CN110918874A (en) | 2020-03-27 |
Family
ID=69861318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388927.6A Pending CN110918874A (en) | 2019-12-30 | 2019-12-30 | Environment-friendly sand core production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110918874A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7967796A0 (en) * | 1978-04-14 | 1979-04-13 | Fischer Ag Georg | PROCEDURE AND DEVICE FOR THE REGENERATION OF FOUNDRY SAND |
| DE3309379A1 (en) * | 1983-03-16 | 1984-09-20 | Hubert Eirich | METHOD FOR REGENERATING FOUNDRY SAND AND DEVICE FOR IMPLEMENTING THE METHOD |
| CN204308133U (en) * | 2014-12-20 | 2015-05-06 | 山东振淇机械股份有限公司 | Cast used sand reclaims screening plant |
| CN105478663A (en) * | 2016-02-14 | 2016-04-13 | 丁启民 | Device and method for recovering used sodium silicate sand for casting |
| CN205393449U (en) * | 2016-02-24 | 2016-07-27 | 桂林鸿程机电设备有限公司 | Casting regeneration silica sand production system |
| CN107470554A (en) * | 2017-08-30 | 2017-12-15 | 宜兴市金纳利机械制造有限公司 | A kind of resin sand production system |
| CN208945097U (en) * | 2018-10-26 | 2019-06-07 | 四川红宇新材料科技有限公司 | Rouge hardened sodium silicate sand regenerative system |
-
2019
- 2019-12-30 CN CN201911388927.6A patent/CN110918874A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT7967796A0 (en) * | 1978-04-14 | 1979-04-13 | Fischer Ag Georg | PROCEDURE AND DEVICE FOR THE REGENERATION OF FOUNDRY SAND |
| DE3309379A1 (en) * | 1983-03-16 | 1984-09-20 | Hubert Eirich | METHOD FOR REGENERATING FOUNDRY SAND AND DEVICE FOR IMPLEMENTING THE METHOD |
| CN204308133U (en) * | 2014-12-20 | 2015-05-06 | 山东振淇机械股份有限公司 | Cast used sand reclaims screening plant |
| CN105478663A (en) * | 2016-02-14 | 2016-04-13 | 丁启民 | Device and method for recovering used sodium silicate sand for casting |
| CN205393449U (en) * | 2016-02-24 | 2016-07-27 | 桂林鸿程机电设备有限公司 | Casting regeneration silica sand production system |
| CN107470554A (en) * | 2017-08-30 | 2017-12-15 | 宜兴市金纳利机械制造有限公司 | A kind of resin sand production system |
| CN208945097U (en) * | 2018-10-26 | 2019-06-07 | 四川红宇新材料科技有限公司 | Rouge hardened sodium silicate sand regenerative system |
Non-Patent Citations (1)
| Title |
|---|
| 刘建伟等: "《生活垃圾综合处理与资源化利用技术》", 30 September 2018, 中国环境科学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103406490B (en) | Recycling cast waste sand reuse method and equipment | |
| CN102909315A (en) | Full-automatic reprocessing line of casting-purpose resin sand | |
| CN101758163B (en) | Large-scale self-hardening sand regeneration apparatus for crushing of vibrating shakeout | |
| CN102133616B (en) | Reclaiming method of mixed waste sand for casting | |
| CN109641263B (en) | Process for recovering sand and activated clay from foundry waste | |
| CN203448601U (en) | Automatic resin-sand regeneration system | |
| CN101773981B (en) | Method for mechanically combining and regenerating casting clay-resin mixed used sand | |
| CN105081213B (en) | Precoated sand recycles production technology | |
| CN112077260A (en) | Acid consumption value controllable green sand regeneration and recycling process | |
| CN110586855A (en) | Method for recycling waste sand from sand mold casting | |
| CN106623770A (en) | Casting resin sand regeneration production line | |
| CN206500578U (en) | Molding sand reclaimer | |
| CN110370499A (en) | One kind is for recycling waste plastic technique | |
| CN110918874A (en) | Environment-friendly sand core production system | |
| CN114147897A (en) | Production process for preparing regenerated board by recycling waste phenolic plastics | |
| KR101643564B1 (en) | System for regenerating waste mold sand | |
| CN202894207U (en) | Production line for regeneration of resin sand used for full-automatic casting | |
| US5167270A (en) | Method for the treatment of foundry sand and/or core sand | |
| US20240033975A1 (en) | Waste tire resourceful regeneration treatment method | |
| CN110586856A (en) | Recovery processing device of sand mould casting waste sand | |
| CN210817283U (en) | Grinding and grinding type resin sand regenerator | |
| CN102756073B (en) | Water glass old sand refurbishing equipment and process thereof for refurbishing old sand | |
| CN102350483B (en) | Method for regenerating sand used for cold-box by foundry waste sand | |
| CN212598693U (en) | Complete equipment for alkali phenolic aldehyde jewel sand regeneration recycling technology | |
| CN113981233A (en) | System and method for recovering metal by using non-metal mother liquor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200327 |