CN211248190U

CN211248190U - Vertical boiling cooler

Info

Publication number: CN211248190U
Application number: CN201922359477.XU
Authority: CN
Inventors: 高志田; 李红功; 高磊; 徐世娜; 桑飞星
Original assignee: Double Star Luohe Zhongyuan Machinery Co ltd
Current assignee: Double Star Luohe Zhongyuan Machinery Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-14
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a vertical boiling cooler belongs to casting equipment technical field, and it can high efficiency cool down the grit. The vertical boiling cooler comprises a machine body, wherein the machine body is sequentially divided into a boiling chamber, a water cooling chamber and a sand storage chamber from top to bottom; the top of the boiling chamber is provided with a sand inlet, a plurality of boiling boxes are arranged in the boiling chamber from top to bottom, the boiling boxes are arranged in the boiling chamber in a left-right staggered manner, each boiling box is connected with an air supply mechanism, and the boiling boxes are provided with a plurality of air outlet holes; a plurality of shakeout pipes are arranged in the water cooling chamber, a cold water runner is arranged in a region between the inner wall of the water cooling chamber and the outer wall of the shakeout pipe, a water inlet communicated with the cold water runner is formed in the lower part of the chamber wall of the water cooling chamber, and a water outlet communicated with the cold water runner is formed in the upper part of the chamber wall of the water cooling chamber; and a gate valve for controlling the falling of the sand is arranged at the top of the sand storage chamber.

Description

Vertical boiling cooler

Technical Field

The utility model belongs to the technical field of the casting equipment, especially, relate to a vertical boiling cooler.

Background

In a sand treatment production line of a foundry, used sand is generally required to be cooled, and the cooling equipment which is most widely applied at present is a boiling cooling bed and a cooling roller, but the equipment has large floor area and more supporting equipment. Compared with a boiling cooling bed and a cooling roller, the vertical boiling cooling machine has small occupied area and is more suitable for places with limited space.

Traditional vertical boiling cooler sets up air cooling device, lower part at organism upper portion usually and sets up water cooling plant, and the used sand descends perpendicularly in the organism, and when the used sand was through air cooling plant, air cooling plant utilized tuyere to blow sand and is tentatively cooled down, and when the used sand fell to water cooling plant, the water pipe that the level was arranged among the water cooling plant and the sand that falls to outside the water pipe carried out the heat exchange, finally reached the sand temperature cooling requirement. However, in the air cooling device, the vertical falling distance of the used sand is short, the time is short, and the cooling effect is not ideal; in the water cooling device, because the water in the water pipe is less, and the sand outside the water pipe is relatively more, the heat exchange is insufficient, and long-time heat exchange is usually needed to reduce the temperature to the required temperature.

Therefore, how to provide a vertical boiling cooler with higher cooling efficiency is a technical problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell technical problem, provide a vertical boiling cooler, can high efficiency cool down the grit.

In order to achieve the above object, the utility model discloses a technical scheme be:

the vertical boiling cooler comprises a machine body, wherein the machine body is sequentially divided into a boiling chamber, a water cooling chamber and a sand storage chamber from top to bottom, the boiling chamber and the water cooling chamber are separated by a first partition plate, and the water cooling chamber and the sand storage chamber are separated by a second partition plate; the top of the boiling chamber is provided with a sand inlet, a plurality of boiling boxes are arranged in the boiling chamber from top to bottom, and the boiling boxes are staggered left and right in the boiling chamber so as to separate a zigzag hot sand flow channel in the boiling chamber; each boiling box is connected with an air supply mechanism and is provided with a plurality of air outlet holes; a plurality of sand shakeout pipes are arranged in the water cooling chamber, the first partition plate is provided with a first through hole communicated with one axial end of the sand shakeout pipe, and the second partition plate is provided with a second through hole communicated with the other axial end of the sand shakeout pipe; the area between the inner wall of the water cooling chamber and the outer wall of the shakeout pipe is a cold water runner, the lower part of the chamber wall of the water cooling chamber is provided with a water inlet communicated with the cold water runner, and the upper part of the chamber wall of the water cooling chamber is provided with a water outlet communicated with the cold water runner; and a gate valve for controlling the falling of the sand is arranged at the top of the sand storage chamber.

Preferably, the boiling box is fixedly connected to the inner wall of the boiling chamber, and the top surface of the boiling box is obliquely arranged from one side close to the inner wall of the boiling chamber to the other side.

Preferably, the air outlet is formed in the top surface of the boiling box, and the air outlet is provided with an air cap.

Preferably, the hood comprises a hood body covering the upper portion of the air outlet, the hood body and the air outlet are coaxially arranged, the middle of the hood body protrudes upwards, a gap is reserved between the edge of the hood body and the top surface of the boiling box, and the bottom surface of the edge of the hood body is welded on the top surface of the boiling box through a plurality of downward protruding welding points.

Preferably, the welding points are uniformly distributed on the bottom surface of the edge of the cap body along the circumferential direction of the cap body.

Preferably, the wall of the boiling chamber is provided with an air inlet communicated with the boiling box, and the air supply mechanism comprises an air blower and an air pipe connected between the air blower and the air inlet.

Preferably, the top of the boiling chamber is provided with an air suction opening.

Preferably, the shakeout pipe is arranged in a vertical direction.

Preferably, the sand storage chamber is provided with an inverted cone-shaped bottom, a sand outlet is formed in the bottommost end of the inverted cone-shaped bottom, and a sand discharge valve is installed on the sand outlet.

Preferably, the vertical boiling cooler further comprises a support, the bottom of the machine body is erected on the support, and the blower is placed on the support.

Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:

1. the utility model provides a vertical boiling cooler, through the boiling box of crisscross setting about with the hot sand runner that forms the dogleg shape, prolonged the dwell time of grit in the boiling chamber, improved air cooling efficiency, simultaneously, the knockout pipe cooperation that the water-cooling chamber set up stores up the slide valve at sand room top, can make the grit keep in the knockout pipe temporarily, in the water-cooling chamber, cold water surrounds outside the knockout pipe in order to carry out the heat exchange, can guarantee that the heat exchange is abundant, improved water cooling efficiency, finally through the cooperation of air cooling and water-cooling, realized the quick high-efficient cooling to the grit;

2. the utility model provides a vertical boiling cooler, compact structure, area is little, and the cooling is effectual, has very big popularization and application and worth.

Drawings

Fig. 1 is a schematic structural diagram of a vertical boiling cooler according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view illustrating an assembly of a funnel cap and a top surface of a boiling box in the vertical boiling cooler according to the embodiment of the present invention;

fig. 4 is a schematic layout diagram of a hood on the top surface of a boiling box in a vertical boiling cooler according to an embodiment of the present invention;

in the above figures: 1. a body; 11. a boiling chamber; 111. a sand inlet; 112. an air suction opening; 113. a boiling tank; 1131. an air outlet; 114. an air inlet; 115. a hood; 1151. a cap body; 1152. a welding point; 12. a first separator; 13. a water cooling chamber; 131. a water outlet; 132. a knockout pipe; 133. a water inlet; 14. a second separator; 15. a sand storage chamber; 151. a gate valve; 152. a sand outlet; 2. an air supply mechanism; 21. a blower; 22. an air duct; 3. and (4) a bracket.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "left", "right", etc. indicate the positional relationship based on the positional relationship shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the utility model relates to a vertical boiling cooler, which comprises a machine body 1, the interior of the machine body 1 is divided into a boiling chamber 11, a water cooling chamber 13 and a sand storage chamber 15 from top to bottom in sequence, the boiling chamber 11 and the water cooling chamber 13 are divided by a first partition plate 12, and the water cooling chamber 13 and the sand storage chamber 15 are divided by a second partition plate 14; a sand inlet 111 is formed in the top of the boiling chamber 11, a plurality of boiling boxes 113 are arranged in the boiling chamber 11 from top to bottom, and the boiling boxes 113 are staggered left and right in the boiling chamber 11 so as to separate a fold-line-shaped hot sand flow channel in the boiling chamber 11; each boiling box 113 is connected with an air supply mechanism 2, and the boiling box 113 is provided with a plurality of air outlet holes 1131; a plurality of shakeout pipes 132 are arranged in the water cooling chamber 13, the first partition plate 12 is provided with a first through hole communicated with one axial end of the shakeout pipe 132, and the second partition plate 14 is provided with a second through hole communicated with the other axial end of the shakeout pipe 132; a cold water flow channel is arranged in the area between the inner wall of the water cooling chamber 13 and the outer wall of the shakeout pipe 132, a water inlet 133 communicated with the cold water flow channel is formed in the lower part of the chamber wall of the water cooling chamber 13, and a water outlet 131 communicated with the cold water flow channel is formed in the upper part of the chamber wall of the water cooling chamber 13; the top of the sand storage chamber 15 is provided with a gate valve 151 for controlling the fall of sand.

When the vertical boiling cooler is used, the gate valve 151 at the top of the sand storage chamber 15 is closed, and air is supplied to the boiling box 113 through the air supply mechanism 2 so that air is continuously sprayed out of the air outlet 1131 of the boiling box 113; sand is put into the boiling chamber 11 from the sand inlet 111, and in the boiling chamber 11, the sand passes through the zigzag hot sand flow channel between the boiling boxes 113, when the sand passes through, the wind sprayed from the air outlet 1131 of the boiling boxes 113 blows the sand layer to make the sand layer in a boiling state, and the wind can take away the heat and the dust of the sand, so that the purpose of primary cooling is achieved, and the dust separation is realized; the sand subjected to preliminary temperature reduction further falls into the sand shakeout pipe 132 through the first through hole of the first partition plate 12, the gate valve 151 at the top of the sand storage chamber 15 is closed, so the sand can be accumulated in the sand shakeout pipe 132, cold water is introduced into a cold water flow passage from the water inlet 133 of the water cooling chamber 13, the cold water exchanges heat with the sand when flowing through the sand shakeout pipe 132, finally the water flows out from the water outlet 131 of the water cooling chamber 13, and the sand in the sand shakeout pipe 132 repeatedly exchanges heat with the cold water to reach the final required sand temperature; and opening a gate valve 151 at the top of the sand storage chamber 15 to enable the cooled sand in the shakeout pipe 132 to fall into the sand storage chamber 15 for storage.

Above-mentioned vertical boiling cooler, the boiling box 113 through controlling crisscross setting is in order to form zigzag-shaped hot sand runner, the dwell time of grit in boiling chamber 11 has been prolonged, the air-cooled efficiency has been improved, and simultaneously, the slide valve 151 at the sand shakeout pipe 132 cooperation storage sand chamber 15 top that the water-cooling chamber 13 set up, can make the grit keep in the sand shakeout pipe 132, in the water-cooling chamber 13, cold water surrounds in order to carry out the heat exchange outside the sand shakeout pipe 132, can guarantee that the heat exchange is abundant, the water cooling efficiency is improved, finally, through the cooperation of forced air cooling and water-cooling, the high efficiency cooling to the grit has been realized. Moreover, the vertical boiling cooler has the advantages of compact structure, small occupied area, good cooling effect and great popularization and application values.

In the vertical boiling cooler, the boiling chamber 11 cools sand by wind. In order to make the sand flow smoothly in the hot sand flow passage of the boiling chamber 11, as shown in fig. 1, the boiling box 113 is fixedly connected to the inner wall of the boiling chamber 11, and the top surface of the boiling box 113 is disposed obliquely downward from one side close to the inner wall of the boiling chamber 11 to the other side. The top surface of the boiling box 113 is set to be an inclined surface, so that the sand layer flows downwards along the inclined surface, and the flow is smoother.

In order to better boil the sand layer, as shown in fig. 1, 3 and 4, an air outlet 1131 is provided on the top surface of the boiling box 113, and the air outlet 1131 is provided with a hood 115. The air outlet holes 1131 are formed in the top surface of the boiling box 113, wind energy sprayed out of the air outlet holes 1131 can be directly sprayed to the sand layer, so that the sand layer is in a boiling state, and the arranged wind cap 115 can effectively prevent sand from falling into the boiling box 113 through the air outlet holes 1131. Specifically, as shown in fig. 3, the hood 115 includes a cap body 1151 covering the upper portion of the air outlet 1131, the cap body 1151 and the air outlet 1131 are coaxially arranged, the middle portion of the cap body 1151 protrudes upward, a gap is left between the edge of the cap body 1151 and the top surface of the boiling box 113, and the bottom surface of the edge of the cap body 1151 is welded to the top surface of the boiling box 113 through a plurality of downward protruding welding points 1152. In this embodiment, the cap body 1151 of the hood 115 is welded to the top surface of the boiling box 113 by a welding point 1152, and the wind ejected from the air outlet 1131 is ejected from the gap between the edge of the cap body 1151 and the top surface of the boiling box 113. The blast cap 115 that sets up like this, its cap body 1151 can cover exhaust 1131 completely, can ensure that the grit can not fall into the boiling box 113 through exhaust 1131 in, can guarantee normal air-out again simultaneously, and in addition, this blast cap 115 simple structure, the cost of manufacture is low. Further, in order to ensure uniform air outlet, it is preferable that a plurality of welding points 1152 are uniformly distributed on the bottom surface of the edge of the cap body 1151 along the circumferential direction of the cap body 1151. In this embodiment, there are 4 welding points 1152, and the 4 welding points 1152 are uniformly distributed on the bottom surface of the edge of the cap body 1151.

In order to supply air to the boiling box 113, as shown in fig. 1, an air inlet 114 communicated with the boiling box 113 is formed in a chamber wall of the boiling chamber 11, and the air supply mechanism 2 includes a blower 21 and an air duct 22 connected between the blower 21 and the air inlet 114. It should be noted that the blower 21 is preferably a high-pressure blower to ensure the supply air pressure.

In addition, as shown in fig. 1, an air suction opening 112 is opened at the top of the boiling chamber 11 to draw out air after heat exchange with hot sand in the boiling chamber 11.

In the vertical boiling cooler, the water cooling chamber 13 cools sand by using cold water. It should be noted that, both the first partition 12 and the second partition 14 need to be connected with the inner wall of the water cooling chamber 13 in a sealing manner to ensure that a sealed cold water flow passage is formed in the water cooling chamber 13. Furthermore, the water outlet 131 is disposed close to the first partition 12, and the water inlet 133 is disposed close to the second partition 14, so as to ensure that the cold water flow passage of the water cooling chamber 13 is substantially completely filled with water, so that the wall of the sand dropping pipe 132 is completely wrapped by the water bag, and a better heat exchange effect is obtained. In order to facilitate the sand falling into the shakeout pipe 132, it is preferable that the shakeout pipe 132 is disposed in a vertical direction as shown in fig. 1. It should be noted that, the sand shakeout pipe 132 is preferably made of a seamless steel pipe, which can ensure the heat exchange effect and has a low manufacturing cost.

In the vertical boiling cooler, the sand storage chamber 15 is used for storing cooled sand. In order to facilitate the removal of the sand stored in the sand storage chamber 15, preferably, as shown in fig. 1, the sand storage chamber 15 has an inverted cone-shaped bottom, a sand outlet 152 is opened at the bottom end of the inverted cone-shaped bottom, and a sand discharge valve is installed at the sand outlet 152.

As shown in fig. 1, the vertical boiling cooler further includes a support 3, the bottom of the machine body 1 is mounted on the support 3, and the blower 21 is placed on the support 3.

Claims

1. Vertical boiling cooler, its characterized in that: the sand-storage water-cooling sand-washing machine comprises a machine body, wherein the machine body is sequentially divided into a boiling chamber, a water-cooling chamber and a sand-storage chamber from top to bottom, the boiling chamber and the water-cooling chamber are divided by a first partition plate, and the water-cooling chamber and the sand-storage chamber are divided by a second partition plate; the top of the boiling chamber is provided with a sand inlet, a plurality of boiling boxes are arranged in the boiling chamber from top to bottom, and the boiling boxes are staggered left and right in the boiling chamber so as to separate a zigzag hot sand flow channel in the boiling chamber; each boiling box is connected with an air supply mechanism and is provided with a plurality of air outlet holes; a plurality of sand shakeout pipes are arranged in the water cooling chamber, the first partition plate is provided with a first through hole communicated with one axial end of the sand shakeout pipe, and the second partition plate is provided with a second through hole communicated with the other axial end of the sand shakeout pipe; the area between the inner wall of the water cooling chamber and the outer wall of the shakeout pipe is a cold water runner, the lower part of the chamber wall of the water cooling chamber is provided with a water inlet communicated with the cold water runner, and the upper part of the chamber wall of the water cooling chamber is provided with a water outlet communicated with the cold water runner; and a gate valve for controlling the falling of the sand is arranged at the top of the sand storage chamber.

2. The vertical boiling cooler of claim 1, wherein: the boiling box is fixedly connected to the inner wall of the boiling chamber, and the top surface of the boiling box is obliquely arranged from one side close to the inner wall of the boiling chamber to the other side.

3. The vertical boiling cooler of claim 2, wherein: the exhaust vent set up in the top surface of boiling box, the hood is installed to the exhaust vent.

4. The vertical boiling cooler of claim 3, wherein: the hood is located including covering the cap body of exhaust vent top, the cap body and exhaust vent coaxial line set up, the middle part of the cap body is upwards protruding, the cap body border with leave the clearance between the top surface of boiling box, the bottom surface at cap body border is welded through a plurality of protruding welding points downwards in the top surface of boiling box.

5. The vertical boiling cooler of claim 4, wherein: the welding points are uniformly distributed on the bottom surface of the edge of the cap body along the circumferential direction of the cap body.

6. The vertical boiling cooler of claim 1, wherein: the wall of the boiling chamber is provided with an air inlet communicated with the boiling box, and the air supply mechanism comprises an air blower and an air pipe connected between the air blower and the air inlet.

7. The vertical boiling cooler of claim 1, wherein: and the top of the boiling chamber is provided with an air suction opening.

8. The vertical boiling cooler of claim 1, wherein: the shakeout pipe is arranged along the vertical direction.

9. The vertical boiling cooler of claim 1, wherein: the sand storage chamber is provided with an inverted cone bottom, a sand outlet is formed in the bottommost end of the inverted cone bottom, and a sand discharge valve is installed on the sand outlet.

10. The vertical boiling cooler of claim 6, wherein: the vertical boiling cooler also comprises a support, the bottom of the machine body is erected on the support, and the blower is placed on the support.