阅读说明：本技术 一种板式型砂板冷器 (Plate-type sand plate cooler ) 是由 张厚清 伍照全 何浩 方觉舒 韩晴 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种板式型砂板冷器,包括储砂仓、型砂冷却板组、卸砂器和控制系统,所述储砂仓包含进砂口、排气口、料位计接口、检视窗、分配盘和吊杆,所述分配盘的设计确保了型砂在板冷器内均匀分配,也减小了型砂对型砂冷却板组中中空波面板的冲击,所述中空波面板平行、间隔排列在型砂冷却板组中,所述中空波面板顶部装有板套,减小砂对中空波面板的直接冲击,确保了中空波面板长周期运行。本发明有益效果：型砂满料位运行时无冲击磨损,能实现大批量型砂连续冷却,采用水冷技术,夏季同样能实现深度冷却。(The invention discloses a plate-type sand plate cooler, which comprises a sand storage bin, a molding sand cooling plate group, a sand unloading device and a control system, wherein the sand storage bin comprises a sand inlet, an air outlet, a level meter interface, an inspection window, a distribution plate and a hanger rod, the distribution plate is designed to ensure that molding sand is uniformly distributed in the plate cooler, and the impact of the molding sand on hollow wave panels in the molding sand cooling plate group is also reduced, the hollow wave panels are arranged in the molding sand cooling plate group in parallel at intervals, and the top of each hollow wave panel is provided with a plate sleeve, so that the direct impact of the sand on the hollow wave panels is reduced, and the long-period operation of the hollow wave panels is ensured. The invention has the beneficial effects that: the molding sand has no impact wear when running at the full material level, can realize the continuous cooling of large-batch molding sand, adopts the water cooling technology, and can realize deep cooling in summer.)

1. The plate-type sand plate cooler is characterized by comprising a sand storage bin (1), a sand cooling plate group (2), a sand unloading device (3) and a control system, wherein the sand storage bin (1) comprises a sand inlet (4), an exhaust port (5), a level gauge interface (6), an inspection window (7), a distribution disc (17) and a suspender (18), the sand cooling plate group (2) is arranged at a certain interval by a series of hollow wave panels (12), an inter-plate channel is a molding sand passing channel, a cooling water channel is arranged inside the hollow wave panels (12), cooling water is connected to a water inlet main pipe (8) and a water outlet main pipe (9) through hoses and is connected with external pipelines, a plate sleeve (19) is arranged at the top of each hollow wave panel (12) to reduce the direct impact of sand on the hollow wave panels, and the sand cooling plate group is provided with a front access door (10) and a back access door (11), after the door is opened, the interior of the door can be overhauled and cleaned; unload sand ware (3) and pass through structural design, can ensure that the long-term operation of molding sand plate cooler does not block up.

2. The plate type sand plate cooler according to claim 1, wherein: enter sand mouth (4) and get into the entry of equipment as the molding sand, gas vent (5) are used for getting rid of the inside humid air of equipment, charge level indicator interface (6) are used for connecting the charge level indicator, and the equipment operation, control the material level height, inspection window (7) can be opened for material level height in the sand storage device is observed in the equipment operation, or the molding sand distributes, overhauls on molding sand cooling plate group (2) upper portion when perhaps overhauing.

3. The plate type sand plate cooler according to claim 1, wherein: the dish of distributing (17) is located into sand mouth (4) under, is fixed on storing up sand storehouse (1) by jib (18), and the molding sand gets into on the cold ware of board can fall earlier the dish of distributing (17), and there is centre bore (20) in the middle part of dish of distributing (17), and the below can be fallen into from centre bore (20) to partial type sand, but more molding sand can be piled up on dish of distributing (17), finally falls into molding sand cooling plate group (2) from the edge of dish of distributing.

4. The plate type sand plate cooler according to claim 1, wherein: the sand cooling plate group (2) is provided with a front access door (10) and a back access door (11), and after the sand cooling plate group is opened, hollow wave panels (12) arranged at intervals can be seen, so that damaged hollow wave panels (12) can be replaced conveniently or cleaned.

5. The plate type sand plate cooler according to claim 1, wherein: the sand unloading device (3) is of a conical structure with a straight pipe at the bottom, and the inclination angle is not less than 65 degrees.

6. The plate type sand plate cooler according to claim 1, wherein: the surface of the hollow wave panel (12) is distributed with resistance welding spots (13) in a staggered way, and the design of distribution lines (14) is combined to ensure that cooling water is uniformly distributed in the panel.

7. The plate type sand plate cooler according to claim 1, wherein: the top of the hollow wave panel (12) is provided with a plate sleeve (19), the plate sleeve (19) is a grooved round pipe, so that direct impact of sand on the hollow wave panel (12) can be reduced, the hollow wave panel (12) is protected from impact deformation, and the service life is prolonged.

8. The plate type sand plate cooler according to claim 1, wherein: the hollow wave panels (12) are spaced at intervals of 10-60 mm.

Technical Field

The invention relates to the technical field of casting molding sand cooling, in particular to a plate type molding sand plate cooler.

Background

In the casting process, after the sand box is founded, the molding sand is sent to a molding sand treatment system for recycling treatment, impurities in the molding sand are removed, and then the molding sand is cooled. In the foundry industry, the temperature of molding sand is vital to the quality of foundry goods, if the molding sand temperature is too high, can influence the qualification rate of foundry goods, therefore the molding sand must cool to certain temperature before the reuse, and high temperature molding sand natural cooling speed is very slow, and especially when the molding sand volume is very big, piles up inside difficult heat dissipation together, and the shakeout is cooled off and takes up an area of oversize again. The adoption of professional molding sand cooling equipment can greatly improve the cooling speed and reach the cooling temperature.

At present, the common cooling modes in the field of molding sand cooling include a plurality of cooling modes, namely fluidized bed cooling, roller cooler cooling, tower type finned tube cooler cooling, a plurality of sand bins, natural cooling and recycling.

The traditional fluidized bed and roller coolers usually adopt air as a heat transfer fluid, the two cooling modes have the defects of generating a large amount of dust-containing tail gas, having high energy consumption, needing frequent maintenance and the like, and also face the embarrassing situation that sand can not be cooled down in summer, so that the productivity of a plurality of factories cannot be reduced in summer, and the large-batch cooling cannot be carried out.

Tower finned tube cooler utilizes the cooling water to circulate in the finned tube, the molding sand outside the cooling tube, this kind of cooling method has reduced the emission of dusty tail gas, the energy consumption is also less relatively, but nevertheless because of molding sand density is big, the impact is strong, often lead to the finned tube to reveal because of wearing and tearing, cause the molding sand to contain water, cause the processing foundry goods unqualified, have to park the maintenance simultaneously, unable long period operation is its problem of hardly avoiding, the molding sand gets into tower finned tube cooler in addition, often unable uneven distribution, cause the molding sand temperature after the cooling uneven.

A plurality of sand storehouses are naturally cooled and recycled, the occupied area is large, the cooling efficiency is low, the sand temperature is not uniform, and the long-period and large-batch continuous production operation of a factory cannot be met.

Disclosure of Invention

The invention aims to provide a plate-type sand plate cooler to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a plate-type sand plate cooler is characterized by comprising a sand storage bin, a sand cooling plate group, a sand unloading device and a control system, wherein the sand storage bin comprises a sand inlet, an exhaust port, a level meter interface, an inspection window, a distribution disc and a suspender, the sand cooling plate group is arranged among a series of hollow wave panels at a certain distance, an inter-panel channel is a molding sand passing channel, a cooling water channel is arranged inside each hollow wave panel, cooling water is connected to a water inlet main pipe and a water outlet main pipe through hoses and is connected with an external pipeline, a plate sleeve is arranged at the top of each hollow wave panel, direct impact of sand on each hollow wave panel is reduced, the sand cooling plate group is provided with a front access door and a back access door, and the inside can be inspected and cleaned after being opened; unload the sand ware and pass through structural design, can ensure that the cold ware of molding sand board long period operation does not block up.

The sand inlet gets into the entry of equipment as the molding sand, the gas vent is used for getting rid of the inside humid air of equipment, the charge level indicator interface is used for connecting the charge level indicator, and when equipment operation, the control material level height, the inspection window can be opened for when equipment operation observe material level height in the sand storage device, or the molding sand distributes, overhauls molding sand cooling plate group upper portion when perhaps overhauing.

The plate cooler is arranged on the distribution plate, the distribution plate is arranged below the sand inlet and fixed on the sand storage bin through the hanging rod, sand enters the plate cooler and then falls onto the distribution plate, a central hole is formed in the middle of the distribution plate, part of molding sand falls into the lower portion from the central hole, however, more molding sand is accumulated on the distribution plate, and finally, the molding sand cooling plate group falls into the edge of the distribution plate.

The molding sand cooling plate group has front access door and back access door, opens the back, can see the cavity ripples panel of interval arrangement, conveniently changes the cavity ripples panel of damage, or does the clearance.

The sand unloading device is of a conical structure with a straight pipe at the bottom, and the inclination angle is not less than 65 degrees.

The surface of the hollow corrugated panel is distributed with resistance welding spots in a staggered manner, and the cooling water is ensured to be uniformly distributed in the panel by combining the distribution line design.

The plate sleeve is arranged at the top of the hollow wave panel and is a grooved circular tube, so that direct impact of sand on the hollow wave panel can be reduced, the hollow wave panel is protected from impact deformation, and the service life is prolonged.

The hollow wave panels are spaced at intervals of 10-60 mm.

Compared with the prior art of cooling molding sand, the invention has the following beneficial effects:

(1) full level operation has no impact wear: the first buffering of distributor plate as the molding sand gets into the board cooler has reduced the direct impact of molding sand to the hollow wave panel, and the cushion is said as the second to the plate cover, has further reduced the impact of molding sand, and the surface of plate cover circular arc also can disperse the impact, protects the hollow wave panel, under the condition of full charge level operation, does not have impact wear basically.

(2) The equipment can run for a long period: the distribution disc and the plate sleeve are designed to ensure that the equipment can run for a long time without abrasion, and the structural design of the sand discharger can ensure that the equipment can run for a long period.

(3) And (3) uniformly cooling the molding sand: the distribution plate has the function of reducing impact, and enables the molding sand to enter the molding sand cooling plate group more uniformly, so that uniform cooling is ensured.

(4) Realize that big batch molding sand lasts the cooling: the continuous operation and large heat exchange area can meet the requirement of molding sand cooling of up to 150 t/h.

(5) Deep cooling of the molding sand is also realized in summer: by adopting the water cooling technology, the temperature of the outlet water of the water cooling tower can still reach 32-35 ℃ in summer, the temperature difference relative to the molding sand is still very high, and the deep cooling can still be realized by adding the high enthalpy value of the water.

(6) Energy conservation, emission reduction and maintenance-free: the static equipment basically has no energy consumption and abrasion, and the discharge amount of dust-containing tail gas is very low.

Drawings

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

FIG. 2 is a schematic diagram of a hollow corrugated panel structure;

FIG. 3 is a partial cross-sectional view of the present invention;

figure 4 is a schematic view of a distribution plate.

Reference numbers in the figures: 1. a sand storage bin; 2. a molding sand cooling plate group; 3. a sand unloading device; 4. a sand inlet; 5. an exhaust port; 6. a level gauge interface; 7. a viewing window; 8. a water inlet main pipe; 9. a water outlet main pipe; 10. a front access door; 11. a back access door; 12. a hollow wave panel; 13. resistance welding spots; 14. a distribution line; 15. a water outlet; 16. a water inlet; 17. a distribution tray; 18. a boom; 19. sheathing the plate; 20. a central bore.

Detailed Description

To more clearly explain the technology of the present invention, the following description is made with reference to the accompanying drawings.

The plate type sand plate cooler comprises a sand storage bin 1, a sand cooling plate group 2 and a sand unloading device 3 which are connected from top to bottom through a flange and a silica gel gasket. In addition, the device comprises a control system, and the control system is used for controlling the material level height and the water outlet temperature of the cooling water.

The sand storage bin 1 is provided with a sand inlet 4, an exhaust port 5, a level meter interface 6, a detection window 7, a distribution plate 17 and a suspender 18. Enter sand mouth 4 and get into the entry of equipment as the molding sand, gas vent 5 is used for getting rid of the inside humid air of equipment, level gauge interface 6 is used for connecting the level gauge, and when equipment operation, control the level height, inspection window 7 can be opened for the level height in the sand storage device is observed in when equipment operation, or the molding sand distributes, overhauls 2 upper portions of molding sand cooling plate group when perhaps overhauing. The distribution plate 17 is located right below the sand inlet 4 and is fixed on the sand storage bin 1 through a hanging rod 18, sand enters the plate cooler and then falls onto the distribution plate 17, a central hole 20 is formed in the middle of the distribution plate 17, partial sand falls into the lower portion from the central hole 20, more sand is accumulated on the distribution plate 17, and finally the sand falls into the sand cooling plate set 2 from the edge of the distribution plate 17.

The sand cooling plate group 2 is a main module with a heat exchange function, the hollow wave panels 12 are arranged at equal intervals in the sand cooling plate group, the sand passes through the channels between the plates, the cooling water passes through the hollow wave panels 12 in the sand cooling plate group, and the high-temperature medium and the low-temperature medium are subjected to wall heat exchange. The water inlet and outlet pipes of the hollow wave panel are connected to a water inlet main pipe 8 and a water outlet main pipe 9 through hoses, and further connected to an external water pipe.

The sand cooling plate group 2 is provided with a front access door 10 and a back access door 11, after the sand cooling plate group is opened, hollow wave panels 12 arranged at intervals can be seen, and the damaged hollow wave panels 12 can be replaced conveniently or cleaned.

The sand unloading device 3 is a conical structure with a straight pipe at the bottom, and the inclination angle is not less than 65 degrees. The outlet end of the sand discharger 3 can be matched with conveying devices such as a variable frequency belt, a discharge valve or a vibrating feeder generally, and the control system controls the speed of conveying materials by the conveying devices through signals of the material level indicator so as to control the material level.

The surface of the hollow wave panel 12 is distributed with the resistance welding spots 13 in a staggered way, and the design of the distribution lines 14 is combined, so that the cooling water is ensured to be uniformly distributed in the panel. The space between the hollow wave panels is 10-60 mm. The plate sleeve 19 is arranged at the top of the hollow wave panel 12, and the plate sleeve 19 is a grooved circular tube, so that direct impact of sand on the hollow wave panel 12 can be reduced, the hollow wave panel 12 is protected from impact deformation, and the service life is prolonged.