CN214023344U

CN214023344U - Tectorial membrane sand cooling unloader

Info

Publication number: CN214023344U
Application number: CN202022834788.XU
Authority: CN
Inventors: 薛刚
Original assignee: Yichang Chujiang Casting Co ltd
Current assignee: Yichang Chujiang Casting Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-24
Anticipated expiration: 2030-12-01

Abstract

The utility model provides a tectorial membrane sand cooling unloader, lower hopper and feed chute intercommunication, the feed chute both sides are equipped with a plurality of heads that blow, a plurality of heads that blow are through blowing pipe and hair-dryer intercommunication, the first air outlet of blowing inclines to silo bottom direction down, the cover that induced drafts is still established to the feed chute top, feed chute one side is equipped with the air exhauster, the cover and the air exhauster intercommunication induced draft, the first slope of blowing sets up, blow the heat dissipation to tectorial membrane sand surface, with steam scattered fast, recycle the air exhauster and take out steam rapidly, the cooling effect is good, moreover, the steam generator is simple in structure, safety and reliability, better spreading value has.

Description

Tectorial membrane sand cooling unloader

Technical Field

The utility model belongs to the technical field of tectorial membrane sand unloading and specifically relates to a tectorial membrane sand cooling unloader is related to.

Background

The precoated sand is molding sand or core sand with a layer of solid resin film coated on the surface of sand before molding; in the production process of the precoated sand, two precoating processes, namely a cold method and a hot method, are mainly adopted; dissolving the resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the urotropine and the sand on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; preheating raw sand to a certain temperature by a thermal method, adding resin to melt the raw sand, stirring the raw sand to ensure that the resin is coated on the surface of the sand, adding urotropine aqueous solution and a lubricant, cooling, crushing and screening to obtain coated sand; most of precoated sand production enterprises adopt a production mode of thermal processing at present, but the product temperature of the precoated sand after the screening process is often higher, generally about 80 ℃, and cannot be directly bagged and warehoused, so the production enterprises often adopt a recooling process mode to improve the production delivery efficiency of the precoated sand after the screening process is carried out on the precoated sand. In the existing cooling mode of recooling the precoated sand screened finished product, the precoated sand finished product can be lifted to a certain height by adopting a lifting cooling mode, and then the cooling process of the precoated sand is accelerated by a circulating water cooling mode; however, there is not effectual control unloader between vibratory screening device and cooling hoisting device, the higher tectorial membrane sand of temperature often leads to some tectorial membrane sand to bond each other in the unloader because the temperature is too high in the unloader, leads to the tectorial membrane sand finished product often to cause the phenomenon of jam material at the in-process that the cooling promoted, very big influence the off-the-shelf promotion cooling process of tectorial membrane sand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tectorial membrane sand cooling unloader solves tectorial membrane sand and often leads to the problem that some tectorial membrane sand bonded each other in unloader because the temperature is too high in unloader.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a tectorial membrane sand cooling unloader, lower hopper and feed chute intercommunication, the feed chute both sides are equipped with a plurality of heads that blow, and a plurality of heads that blow are through blowing pipe and hair-dryer intercommunication, and the first air outlet of blowing still establishes the cover that induced drafts to silo bottom direction slope down in the feed chute top, and feed chute one side is equipped with the air exhauster, cover and air exhauster intercommunication induced drafts.

In a preferable scheme, the blower is arranged on the air suction cover.

In the preferred scheme, the exhaust fan is communicated with the air suction hood through an exhaust pipe.

In the preferred scheme, a filter screen is arranged at the opening position of the air suction hood.

In the preferred scheme, the lower surface of the blanking groove is provided with radiating fins.

In a preferred scheme, a plurality of radiating fans are arranged on the radiating fins.

In the preferred scheme, a blanking plate is arranged between the blanking hopper and the blanking groove.

In the preferred scheme, the blanking plate is arranged at the discharge hole of the blanking hopper and is in sliding connection with the blanking hopper.

The utility model provides a tectorial membrane sand cooling unloader, lower hopper unloading is to silo down, lower silo transports tectorial membrane sand to cooling hoisting device, tectorial membrane sand carries out the undercooling in silo down, prevent that the tectorial membrane sand of high temperature from bonding the caking each other, the mode that utilizes to blow and induced draft is to the tectorial membrane sand in the silo down and is tentatively cooled down, it is higher to make cooling hoisting device promote cooling efficiency, moreover, the steam generator is simple in structure, safety and reliability, the promotion value that has better, compact structure is practical, and is worth extensively promoting.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a general structural diagram A of the present invention;

FIG. 2 is a general structural diagram B of the present invention;

FIG. 3 is a structural view of the suction hood of the present invention;

FIG. 4 is a structural view of the discharging chute of the present invention;

FIG. 5 is a side view structure diagram of the discharging chute and the blowing head of the present invention;

FIG. 6 is a back structure view of the discharging chute of the present invention;

FIG. 7 is a structural view of the discharge hopper of the present invention;

in the figure: a feeding hopper 1; a blanking plate 101; a feeding trough 2; a heat sink 201; a heat dissipation fan 202; a side blowing pipe 3; a blowing head 301; a blower 4; an air suction hood 5; a filter screen 501; an exhaust fan 6; an exhaust pipe 7; and (4) precoated sand 8.

Detailed Description

As shown in figures 1-7, a tectorial membrane sand cooling unloader, lower hopper 1 and feed chute 2 intercommunication, 2 both sides of feed chute are equipped with a plurality of blowing head 301, a plurality of blowing head 301 pass through blowing pipe 3 and hair-dryer 4 intercommunication, the blowing head 301 air outlet is to the slope of 2 bottom directions of lower silo, the cover 5 that induced drafts is still established to 2 tops of feed chute, 2 one side of lower silo is equipped with air exhauster 6, the cover 5 that induced drafts communicates with air exhauster 6. As the structure shown in fig. 5, the head of blowing 301 slope sets up, 8 surfaces of tectorial membrane sand are bloied and are dispelled the heat, go away steam fast, recycle air exhauster 6 takes out steam rapidly, lower hopper 1 unloading is to the unloading in feed chute 2, feed chute 2 transports the tectorial membrane sand to cooling hoisting device, the tectorial membrane sand carries out the primary cooling in feed chute 2 down, prevent that the tectorial membrane sand of high temperature from bonding the caking each other, the mode that utilizes to blow and induced draft carries out the primary cooling to the tectorial membrane sand in the feed chute 2, it is higher to make cooling hoisting device promote cooling efficiency.

In a preferred scheme, the blower 4 is arranged on the air suction hood 5. The blower 4 is arranged on the air suction cover 5, so that the whole structure is more compact.

In the preferred scheme, the exhaust fan 6 is communicated with the air suction hood 5 through an exhaust pipe 7. The exhaust pipe 7 is a hose, and when the exhaust fan 6 can change the position, the exhaust pipe 7 does not limit the position of the exhaust fan 6.

In a preferred scheme, a filter screen 501 is arranged at the opening position of the air suction hood 5. Prevent that part tectorial membrane sand from entering inside the cover 5 that induced drafts.

In a preferred scheme, the lower surface of the blanking groove 2 is provided with a radiating fin 201. The fin 201 dispels the heat to silo 2 down, prevents that silo 2's temperature is too high down, leads to tectorial membrane sand to bond the caking each other.

Preferably, the heat sink 201 is provided with a plurality of heat dissipation fans 202. The heat radiation fan 202 radiates the heat radiation fins 201, so that the discharging chute 2 can radiate heat better.

In the preferred scheme, a blanking plate 101 is arranged between the blanking hopper 1 and the blanking groove 2. The blanking plate 101 controls the on-off between the blanking hopper 1 and the blanking groove 2.

In the preferred scheme, the blanking plate 101 is arranged at the discharge hole of the blanking hopper 1, and the blanking plate 101 is connected with the blanking hopper 1 in a sliding manner. With the structure shown in fig. 7, the blanking plate 101 is convenient for controlling the on-off of the blanking hopper 1.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a tectorial membrane sand cooling unloader which characterized by: hopper (1) and lower silo (2) intercommunication down, silo (2) both sides are equipped with a plurality of blowing head (301) down, and a plurality of blowing head (301) are through blowing pipe (3) and hair-dryer (4) intercommunication, and blowing head (301) air outlet is to silo (2) bottom direction slope down, and lower silo (2) top still establishes cover (5) that induced drafts, and lower silo (2) one side is equipped with air exhauster (6), cover (5) and air exhauster (6) intercommunication induced drafts.

2. The coated sand cooling and blanking device as claimed in claim 1, which is characterized in that: the blower (4) is arranged on the air suction cover (5).

3. The coated sand cooling and blanking device as claimed in claim 1, which is characterized in that: the exhaust fan (6) is communicated with the air suction hood (5) through an exhaust pipe (7).

4. The precoated sand cooling and blanking device according to claim 3, wherein: a filter screen (501) is arranged at the opening position of the air suction cover (5).

5. The coated sand cooling and blanking device as claimed in claim 1, which is characterized in that: the lower surface of the discharging groove (2) is provided with a radiating fin (201).

6. The precoated sand cooling and blanking device according to claim 5, wherein: a plurality of radiating fans (202) are arranged on the radiating fins (201).

7. The coated sand cooling and blanking device as claimed in claim 1, which is characterized in that: a blanking plate (101) is arranged between the blanking hopper (1) and the blanking groove (2).

8. The precoated sand cooling and blanking device according to claim 7, characterized in that: the blanking plate (101) is arranged at the discharge hole of the blanking hopper (1), and the blanking plate (101) is connected with the blanking hopper (1) in a sliding way.