CN106077448A - A kind of precoated sand renovation process - Google Patents
A kind of precoated sand renovation process Download PDFInfo
- Publication number
- CN106077448A CN106077448A CN201610648524.0A CN201610648524A CN106077448A CN 106077448 A CN106077448 A CN 106077448A CN 201610648524 A CN201610648524 A CN 201610648524A CN 106077448 A CN106077448 A CN 106077448A
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- CN
- China
- Prior art keywords
- sand
- regenerating furnace
- sent
- described step
- elevator
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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
-
- 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
-
- 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
- B22C5/10—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by dust separating
-
- 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
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of precoated sand renovation process, belongs to steel casting field, comprises the following steps: 1, used arenaceous shell or core are pulverized；2, ground product is sieved；3, utilize conveyer that the sand after screening is sent into elevator；4, use elevator that the sand after screening is sent into regenerating furnace；5, the sand after regeneration is sent into screening machine by regenerating furnace；6, use conveying equipment that the sand after regeneration is sent into feed bin, there is the recycling being capable of precoated sand, decrease environmental pollution, reduce the feature of producing cost.
Description
Technical field
The invention belongs to steel casting field, particularly to a kind of precoated sand renovation process.
Background technology
Precoated sand casting is the one of casting technique, and its principle is the characteristic utilizing precoated sand, is used by precoated sand corresponding
Mold Making go out and part shape and equivalently-sized arenaceous shell and the core needing casting, in arenaceous shell, then pour into molten iron,
Form the blank of the workpiece needing casting；Precoated sand is to use foundry sand to add suitable additive, in order to ensure arenaceous shell or
Intensity and the breathability of person's core and add the resinous matter with adhesive property, these materials become at arenaceous shell or core
Through heating and pressurization during type, will stick to the surface of the grains of sand, after casting process completes, arenaceous shell and core are at workpiece
Blank has just become garbage after taking out, and these garbages increase along with increasing of mo(u)lded piece, is the formation of after piling up
Environmental pollution, wastes the natural resourcess such as the grains of sand simultaneously.
Summary of the invention
For in existing precoated sand casting technique, precoated sand forms waste pollution environment, wastes natural resources simultaneously
Problem, the present invention proposes a kind of precoated sand renovation process, it is characterised in that: comprise the following steps: 1, by used arenaceous shell
Or core is pulverized；2, ground product is sieved；3, utilize conveyer that the sand after screening is sent into elevator；4, employing carries
Sand after screening is sent into regenerating furnace by the machine of liter；5, the sand after regeneration is sent into screening machine by regenerating furnace；6, conveying equipment is used
Sand after regeneration is sent into feed bin；Described step 1 is by the arenaceous shell using precoated sand casting method to make or core, warp
Arenaceous shell discarded after crossing casting process and core use pulverizer to pulverize；Described step 2 is the use according to precoated sand
Requirement, takes out unnecessary impurity, leaves recycling sand；Described step 3 is to use conveying equipment that screening is qualified
Sand sends into elevator feed hopper；Described step 4 is the upper feed inlet utilizing lifting means that sand is sent into regenerating furnace；Institute
The step 5 stated is to be heated in regenerating furnace by sand, sends regenerating furnace after drying, enters screening plant and again sieves；
Described step 6 is by standby for qualified reclaimed sand feeding feed bin；Above is to utilize precoated sand recycling line in steps
Realize.
Described precoated sand recycling line, including pulverizer, material screening machine, ingredient conveyor, raw material elevator, warm
Wind furnace, finished product screen extension set, finished product elevator, finished product bin, regenerating furnace, regenerating furnace feeder, dust pelletizing system, control system；Institute
The pulverizer stated is arranged on the front end of material screening machine, and its discharging opening is connected with the charging aperture with material screening machine；Described is former
Material screen extension set be arranged on pulverizer and between ingredient conveyor, its charging aperture is connected with pulverizer, its discharging opening is defeated with raw material
The charging aperture sending machine connects；Described ingredient conveyor is arranged between material screening machine and raw material elevator, its charging aperture with
The discharging opening of material screening machine connects, and its discharging opening is connected with the charging aperture of raw material elevator；Described raw material hoist installation
In regenerating furnace front end, its charging aperture docks with the discharging opening of ingredient conveyor, and its discharging opening docks with regenerating furnace feeder；Described
Air stove be arranged on the side of regenerating furnace；Its air outlet is connected with the air inlet of regenerating furnace；Described finished product screen extension set is installed
In the discharge outlet of regenerating furnace, its charging aperture is connected with the discharging opening of regenerating furnace, and its discharging opening is connected with finished product elevator；Described
Finished product hoist installation at finished product bin, its discharging opening is connected with finished product bin import, its charging aperture and finished product screen extension set
Discharging opening docks；Described finished product bin installs the discharging opening of the lower section of finished product elevator, its charging aperture and finished product elevator
Docking；Described regenerating furnace is arranged between raw material elevator and finished product screen extension set, and the charging aperture above it feeds with regenerating furnace
Device connects, and the air outlet above it is connected with dust pelletizing system, and its air inlet is connected with air stove；Described regenerating furnace feeder peace
Being contained in raw material elevator discharge outlet, lower section is connected with regenerating furnace charging aperture；Described dust pelletizing system is arranged on regenerating furnace side,
It is connected with the dust arrester on regenerating furnace air outlet and pulverizer and material screening machine and finished product screen extension set；Described control system
It is arranged on operating board, and is connected with each functional part.
Beneficial effect
The beneficial effects of the present invention is, it is possible to realize the recycling of precoated sand, decrease environmental pollution, reduce production expense
With.
Accompanying drawing explanation
Fig. 1 is the structural representation of precoated sand recycling line
1. raw material chopper and material screening machine, 2. ingredient conveyor, 3. raw material elevator, 4. air stove, 5. finished product screen extension set,
6. finished product elevator, 7. finished product bin, 8. regenerating furnace, 9. regenerating furnace feeder, 10. dust pelletizing system, 11. control systems.
Detailed description of the invention
In order to further illustrate technical scheme, the detailed description of the invention of the present invention, root are described in conjunction with accompanying drawing
Cast scale according to precoated sand, select the production capacity of precoated sand recycling line, namely in the unit interval, process precoated sand garbage
Quantity, in order to avoid cause production capacity waste or can not meet produce needs phenomenon；Select the pulverizing that the commercially available industry is general
Machine and screening machine are as raw material chopper and material screening machine 1, and are installed in charging aperture one end of ingredient conveyor 2；This
Example is selected the belt conveyor that the commercially available industry is general as ingredient conveyor 2, and be installed in raw material chopper and
Discharging opening one end of material screening machine 1, and the charging aperture of its discharging opening with raw material elevator 3 is docked；This example is selected
Commercially available bucket elevator is as raw material elevator 3, and is installed in charging one end of regenerating furnace 8, its charging aperture and raw material
The discharging opening docking of conveyer 2, its discharging opening docks with regenerating furnace feeder 9；This example is selected the commercially available industry general
Muffle furnace is as air stove 4, and is installed in the air inlet side of regenerating furnace 8, and the air inlet of its air outlet and regenerating furnace 8 is adopted
Connect with pipeline；This example is selected commercially available vibrating screen classifier as finished product screen extension set 5, and by its charging aperture and regenerating furnace 8
Discharging opening docks, and its discharging opening docks with the charging aperture of finished product elevator 6；Selection bucket elevator, will as finished product elevator 6
It is arranged on finished product bin 7 adnexa, and is docked by the discharging opening of its charging aperture with finished product screen extension set 5, by its discharging opening and finished product
The charging aperture docking of feed bin 7；Select commercially available sand holding vessel as finished product bin 7, be installed in finished product elevator 6 times
Side；Select Hot-blast Heating type sand dryer as regenerating furnace 8, and be installed in raw material elevator 3 and finished product screen extension set 5 it
Between, the charging aperture above it is connected with regenerating furnace feeder 9, and the air outlet above it is connected with dust pelletizing system 10, its air inlet
It is connected with air stove 4；Select feed bin plus the mode of dosing valve combination as regenerating furnace feeder 9, and be installed in
At the charging aperture of regenerating furnace 8；Select the general cyclone system of the industry as dust pelletizing system 10, and be installed in regeneration
Stove 8 side, is connected with the dust arrester on the air outlet of regenerating furnace 8 and pulverizer and material screening machine 1 and finished product screen extension set 5；
Select PLC plus touch screen as the main controlling element of control system, add that the power supply that the industry is general controls and sensor electricity
Device element, as control system 11, and is connected it with each functional part；This completes the enforcement of the present invention；Application
In, use loader to put in raw material chopper and material screening machine 1 discarded precoated sand arenaceous shell or core, through pulverizing
After screening, eliminate unnecessary impurity and form raw material sand, the raw material sand after screening is delivered to former by ingredient conveyor 2
Material elevator 3, enters regenerating furnace feeder 9 through raw material elevator 3, through fixing quantity, according to certain feeding speed, and will
Raw material sand is sent in regenerating furnace 8, and raw material sand through heating, selecting crude drugs with winnower, boiling, eliminates sand surface and glues in regenerating furnace 8
Attached resinous matter, has recovered the original appearance of original sand, forms finished product sand, and finished product sand, through again sieving, goes gumming
End, sends into finished product bin 7, when again needing to use sand, takes out, it becomes possible to realize the sand of precoated sand in finished product bin 7
Son recycling, had the most both decreased environmental pollution, had saved again production cost, decreased the waste of natural resources.
Claims (1)
1. a precoated sand renovation process, it is characterised in that: comprise the following steps: 1, by used arenaceous shell or core powder
Broken；2, ground product is sieved；3, utilize conveyer that the sand after screening is sent into elevator；4, elevator is used to sieve
After sand send into regenerating furnace；5, the sand after regeneration is sent into screening machine by regenerating furnace；6, use conveying equipment by after regeneration
Sand sends into feed bin；Described step 1 is by the arenaceous shell using precoated sand casting method to make or core, through casting process
Rear discarded arenaceous shell and core use pulverizer to pulverize；Described step 2 is the use requirement according to precoated sand, and taking-up is many
Remaining impurity, leaves recycling sand；Described step 3 is to use conveying equipment to be sent into by sand qualified for screening to promote
Machine feed hopper；Described step 4 is the upper feed inlet utilizing lifting means that sand is sent into regenerating furnace；Described step 5 is
Sand is heated in regenerating furnace, after drying, sends regenerating furnace, enter screening plant and again sieve；Described step 6
It is by standby for qualified reclaimed sand feeding feed bin；The above precoated sand recycling line that utilizes in steps realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648524.0A CN106077448A (en) | 2016-08-10 | 2016-08-10 | A kind of precoated sand renovation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648524.0A CN106077448A (en) | 2016-08-10 | 2016-08-10 | A kind of precoated sand renovation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106077448A true CN106077448A (en) | 2016-11-09 |
Family
ID=57455978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610648524.0A Pending CN106077448A (en) | 2016-08-10 | 2016-08-10 | A kind of precoated sand renovation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106077448A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093063A (en) * | 2018-08-29 | 2018-12-28 | 禹州市昆仑模具有限公司 | A kind of precoated sand regeneration method |
| CN110586857A (en) * | 2019-09-12 | 2019-12-20 | 马鞍山市万鑫铸造有限公司 | Sand mixing device for casting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0736349A2 (en) * | 1995-04-04 | 1996-10-09 | Maschinenfabrik Gustav Eirich | Method and apparatus for the cooling of moulding sand |
| CN1481951A (en) * | 2003-07-14 | 2004-03-17 | 安徽省宁国市耐磨材料总厂 | Hot process regenerative apparatus for tectorial sand using for casting |
| CN201969827U (en) * | 2011-03-28 | 2011-09-14 | 刘正高 | Production line for roasting regeneration of resin waste sand |
| CN102873269A (en) * | 2012-09-29 | 2013-01-16 | 温州市康霸洁具有限公司 | Resin gel waste core sand reproduction line |
| CN104959531A (en) * | 2015-07-22 | 2015-10-07 | 平顶山市沙河机械加工厂 | Waste foundry sand dealkalizing regenerative production equipment |
-
2016
- 2016-08-10 CN CN201610648524.0A patent/CN106077448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0736349A2 (en) * | 1995-04-04 | 1996-10-09 | Maschinenfabrik Gustav Eirich | Method and apparatus for the cooling of moulding sand |
| CN1481951A (en) * | 2003-07-14 | 2004-03-17 | 安徽省宁国市耐磨材料总厂 | Hot process regenerative apparatus for tectorial sand using for casting |
| CN201969827U (en) * | 2011-03-28 | 2011-09-14 | 刘正高 | Production line for roasting regeneration of resin waste sand |
| CN102873269A (en) * | 2012-09-29 | 2013-01-16 | 温州市康霸洁具有限公司 | Resin gel waste core sand reproduction line |
| CN104959531A (en) * | 2015-07-22 | 2015-10-07 | 平顶山市沙河机械加工厂 | Waste foundry sand dealkalizing regenerative production equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093063A (en) * | 2018-08-29 | 2018-12-28 | 禹州市昆仑模具有限公司 | A kind of precoated sand regeneration method |
| CN110586857A (en) * | 2019-09-12 | 2019-12-20 | 马鞍山市万鑫铸造有限公司 | Sand mixing device for casting |
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| C06 | 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 |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |