CN215144427U

CN215144427U - Wet sand cooling and humidifying device

Info

Publication number: CN215144427U
Application number: CN202121066386.8U
Authority: CN
Inventors: 徐勇; 张厚清; 方觉舒; 李亚; 黄一鸣
Original assignee: Xuancheng Haowei Industrial Technology Co ltd
Current assignee: Xuancheng Haowei Industrial Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-14
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a green sand cooling humidification device, including advancing sand silo, water-cooling tank, supporting seat, unloading awl, teeter chamber. The sand inlet bin is a buffering storage part of the green sand, the green sand is also fed into the sand inlet entering device from the top of the green sand, a top spray pipe is also arranged inside the sand inlet bin, the water cooling tank is a cooling main body of the green sand, a water inlet and a water outlet are arranged on the side face of the green sand, the supporting seat is a supporting part of the device, a blanking cone is arranged below the supporting seat, the blanking cone is connected with the water cooling tank and the stirring chamber, a bottom spray pipe is arranged inside the stirring chamber, a stirring paddle is arranged inside the stirring chamber, the stirring paddle is driven by a motor, and the green sand, water and other added auxiliary materials are uniformly stirred together. The front end of the feed opening is provided with a humidity detector which automatically controls the amount of spraying water through interlocking with an automatic regulating valve. The utility model discloses cooling humidification device for traditional wet sand's beneficial effect is, and is more energy-conserving, and equipment will cool off and the humidification is integrated as an organic whole, realizes the automatic control who adds the water yield.

Description

Wet sand cooling and humidifying device

Technical Field

The utility model relates to a field is handled to the foundry sand of green sand, specifically is a green sand cooling humidification device.

Background

In the wet sand casting process, after casting, a sand mold is generally subjected to the steps of crushing, primary screening, secondary screening, sand cooling, adding auxiliary materials, remixing, and then casting. In the above steps, the cooling of sand and the remixing of adding auxiliary materials are particularly critical because if the cooling effect of sand is not good, the temperature of sand is too high, the strength of the manufactured sand mold is not enough, the manufactured casting is not qualified, and if the auxiliary materials are not well mixed, the strength of the sand mold is not uniform, and the problems of mold breakage and the like are caused in the pouring process.

Conventional sand cooling usually adopts a roller cooler or a fluidized bed cooler, so that the energy consumption is high, the cooling medium is ambient air, the cooling effect is poor, the volumes of the roller cooler and the fluidized bed cooler are large, and the occupied area is large. Add adjuvants and remix, usually a disk mixer. The sand cooling device at the front end and the mixing and stirring device at the back are two independent and separated devices, and a belt or a lifting machine is generally used for conveying the devices, so that the energy consumption and the occupied area are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tidal sand cooling humidification device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wet sand cooling humidification device which characterized in that, includes into sand storehouse, water-cooling tank, supporting seat, unloading awl, teeter chamber. The sand inlet bin is positioned at the uppermost end of the device, the green sand enters the device through a sand inlet arranged on the green sand inlet bin, and enters the stirring chamber from the discharging cone after being cooled by the water cooling box, and in the stirring chamber, the green sand, the water sprayed by the top spraying pipe and the bottom spraying pipe and auxiliary materials added by the feeding port are fully stirred and mixed by the stirring paddle and then are discharged from the device through the discharging port.

The sand inlet bin is a buffer storage part of the green sand, and the green sand enters the device from a sand inlet at the top of the green sand inlet bin. The top shower is arranged in the sand inlet bin, top shower heads are distributed on the top shower, and the top shower is fixed on a top plate of the sand inlet bin by a hanging bracket. The top spray pipe is connected with the top spray water inlet main pipe, spray water enters the top spray water inlet main pipe from the top spray inlet and then enters the top spray pipe, and the spray water is sprayed out from each top spray head.

The water cooling tank is a main part for cooling the damp pattern sand, and a water inlet and a water outlet are arranged on the side surface of the water cooling tank. The supporting seat is positioned at the lower part of the water cooling tank, is made of channel steel and is a supporting part of the device, and equipment can be placed on an external platform or supported on the supporting seat by using supporting legs.

The blanking cone is connected with the water cooling tank and the stirring chamber, and a root bottom spraying pipe is arranged inside the blanking cone. The bottom spray pipe is provided with a plurality of bottom spray heads, and is connected to a bottom spray header pipe and then is connected with an external water pipe through a bottom spray inlet. The upper part of the bottom spray pipe is provided with a triangular baffle which is mainly used for protecting the bottom spray pipe from being impacted by damp mold sand.

The stirring chamber is a cylindrical chamber body, the top of the stirring chamber is connected with the lower end of the discharging cone, the green sand enters the stirring chamber from the discharging cone, the top of the stirring chamber is also provided with a feed inlet, and all auxiliary materials such as bentonite, coal powder and the like can be added from the feed inlet. The stirring chamber is internally provided with a stirring paddle, is driven by a motor, uniformly stirs the green sand, the water and other added auxiliary materials, and then is discharged from a discharging opening at the bottom.

Feed opening front end is equipped with moisture detector, can detect the water content of the wet sand after the stirring, sprays on the outside water pipe of access connection with the top, is equipped with automatically regulated valve, and moisture detector is chain with it, if the water content that detects the wet sand is low excessively, and signal feedback gives the PLC switch board, and PLC switch board transmission signal gives automatically regulated valve simultaneously, increases the water spray volume.

Compare with current damp pattern sand cooling and humidification device, the beneficial effects of the utility model are as follows:

1. and compared with the traditional air cooling, the water cooling effect is better.

2. The cooling and water adding stirring process equipment is combined into a whole, so that the occupied area can be greatly reduced.

3. The real-time linkage of the water adding amount and the moisture content detection of the green sand is realized, the water amount is controlled at any time, and the influence of human factors in the process is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a top shower arrangement;

FIG. 3 is a schematic view of a bottom shower and a triangular baffle;

fig. 4 is a schematic view of a bottom shower structure.

Reference numbers in the figures: 1. a sand inlet; 2. a sand inlet bin; 3. a water cooling tank; 4. a supporting seat; 5. a blanking cone; 6. A stirring chamber; 7. a feeding port; 8. a top shower; 9. a top shower head; 10. a hanger; 11. a triangular baffle plate; 12. a bottom shower; 13. a feed inlet; 14. a stirring paddle; 15. a motor; 16. a bottom shower head; 17. A water inlet; 18. a water outlet; 19. a top spray inlet; 20. a bottom spray inlet; 21. a bottom spray header; 22. top spraying water inlet main pipe; 23. an automatic regulating valve; 24. a PLC control cabinet; 25. and a moisture detector.

Detailed Description

For a clearer explanation of the technology of the present invention, the following description is made with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a tidal sand cooling humidification device, a serial communication port, including advancing sand silo 2, water-cooling tank 3, supporting seat 4, unloading awl 5, teeter chamber 6 etc.. The sand inlet bin 2 is positioned at the uppermost end of the device, the green sand enters the device through the sand inlet 1 arranged on the device, after being cooled by the water cooling box 3, the green sand enters the stirring chamber 6 from the discharging cone 5, and in the stirring chamber 6, the green sand, water sprayed by the top spraying pipe and the bottom spraying pipe and auxiliary materials added by the feeding port 13 are fully stirred and mixed by the stirring paddle 14 and then are discharged from the device through the discharging port 7.

The sand inlet bin 2 is a buffer storage part of the green sand, and the green sand enters the device from the sand inlet 1 at the top of the green sand. The sand inlet bin 2 is internally provided with a top spray pipe 8, a top spray head 9 is distributed on the top spray pipe, and the top spray pipe 8 is fixed on the top plate of the sand inlet bin 2 by a hanging bracket 10. The top spray pipe 8 is connected with a top spray water inlet main pipe 22, and spray water enters the top spray water inlet main pipe 22 from a top spray inlet 19 and then enters the top spray pipe 8 to be sprayed out from each top spray header 9.

The water cooling tank 3 is a main part for cooling the damp mould sand, and a water inlet 17 and a water outlet 18 are arranged on the side surface of the water cooling tank. The supporting seat 4 is located at the lower part of the water cooling tank 3, is made of channel steel and is a supporting part of the device, and equipment can be placed on an external platform or supported on the supporting seat 4 by supporting legs.

The blanking cone 5 is connected with the water cooling tank 3 and the stirring

chamber

6, and 3 bottom spray pipes 12 are arranged inside the blanking cone. The bottom spray pipe 12 is provided with a plurality of bottom spray headers 16, and the bottom spray pipe 12 is connected to a bottom spray header 21 and then connected with an external water pipe through a bottom spray inlet 20. The upper part of the bottom spray pipe 12 is provided with a triangular baffle 11 which is mainly used for protecting the bottom spray pipe 12 from being impacted by damp mold sand.

The stirring chamber 6 is a cylindrical bin body, the top of the stirring chamber is connected with the lower end of the blanking cone 5, the green sand enters the stirring chamber 6 from the blanking cone 5, the top of the stirring chamber 6 is also provided with a feed inlet 13, and all auxiliary materials, bentonite, coal powder and ash powder can be added from the feed inlet 13. The stirring chamber 6 is internally provided with a stirring paddle 14, is driven by a motor 15, uniformly stirs the green sand, the water and other added auxiliary materials, and then discharges the green sand, the water and the other added auxiliary materials from a discharge opening 7 at the bottom.

7 front ends of feed opening are equipped with moisture detector 25, can detect the water content of the wet sand after the stirring, spray on the outside water pipe that 19 is connected of import with the top, are equipped with automatically regulated valve 23, and moisture detector 25 is chain with it, if the water content that detects the wet sand is low excessively, and signal feedback gives PLC switch board 24, and automatic regulated valve 23 is given to 24 transmission signals of PLC switch board simultaneously, increases the water spray volume.

Claims

1. The utility model provides a wet sand cooling humidification device, includes into sand silo (2), water-cooling tank (3), supporting seat (4), unloading awl (5), teeter chamber (6), its characterized in that: advance sand silo (2) and be located the device topmost, tidal sand advances sand mouth (1) entering device through establishing above that, through water cooling box (3) cooling back, gets into teeter chamber (6) from unloading awl (5), in teeter chamber (6), tidal sand and top shower and end shower spun water to and the auxiliary material that charge door (13) added through stirring rake (14) intensive mixing, back through feed opening (7) eduction gear.

2. The tidal sand cooling and humidifying device according to claim 1, wherein: the sand inlet bin (2) is a buffering storage part of the green sand, the green sand enters the device from a sand inlet (1) at the top of the green sand, a top spray pipe (8) is arranged inside the device, top spray heads (9) are distributed on the top spray pipe, and the top spray pipe (8) is fixed on a top plate of the sand inlet bin (2) by a hanging bracket (10).

3. The tidal sand cooling and humidifying device according to claim 1, wherein: the top spray pipe (8) is connected with the top spray water inlet main pipe (22), and spray water enters the top spray water inlet main pipe (22) from the top spray inlet (19) and then enters the top spray pipe (8) and is sprayed out from each top spray head (9).

4. The tidal sand cooling and humidifying device according to claim 1, wherein: the water cooling tank (3) is a main part for cooling the damp mould sand, and a water inlet (17) and a water outlet (18) are arranged on the side surface of the water cooling tank.

5. The tidal sand cooling and humidifying device according to claim 1, wherein: the blanking cone (5) is connected with the water cooling box (3) and the stirring chamber (6), and 3 bottom spray pipes (12) are arranged inside the blanking cone.

6. The tidal sand cooling and humidifying device according to claim 1, wherein: a plurality of bottom spray headers (16) are arranged on the bottom spray pipe (12), and the bottom spray pipe (12) is connected to a bottom spray header pipe (21) and then is connected with an external water pipe through a bottom spray inlet (20).

7. The tidal sand cooling and humidifying device according to claim 1, wherein: the upper part of the bottom spray pipe (12) is provided with a triangular baffle (11) which mainly protects the bottom spray pipe (12) from the impact of damp mold sand.

8. The tidal sand cooling and humidifying device according to claim 1, wherein: the stirring chamber (6) is a cylindrical bin body, the top of the stirring chamber is connected with the lower end of the blanking cone (5), the green sand enters the stirring chamber (6) from the blanking cone (5), the top of the stirring chamber (6) is also provided with a feed opening (13), and all auxiliary materials, bentonite, coal powder and ash powder can be added from the feed opening (13).

9. The tidal sand cooling and humidifying device according to claim 1, wherein: the stirring chamber (6) is internally provided with a stirring paddle (14) which is driven by a motor (15) to uniformly stir the green sand, the water and other added auxiliary materials, and then the mixture is discharged from a discharge hole (7) at the bottom.