CN215063867U

CN215063867U - Counter-flow cooler

Info

Publication number: CN215063867U
Application number: CN202120836199.7U
Authority: CN
Inventors: 林美芳; 刘步期
Original assignee: Fuzhou Dechuang Feed Co ltd
Current assignee: Fuzhou Dechuang Feed Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-07
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to a counter-flow cooler, comprising a cooling box and a discharge funnel arranged at the bottom of the cooling box, wherein the top of the cooling box is provided with a feed inlet and an exhaust outlet, the peripheral side wall of the lower end of the cooling box is provided with a screen mesh opening, the lower end lateral wall of the cooling box is fixedly connected with an annular air inlet cavity for wrapping the peripheral screen mesh opening, and the peripheral bottom surface of the annular air inlet cavity is provided with a plurality of air inlets; and an annular air deflector for guiding the air flow entering from the screen mesh opening upwards is fixedly connected to the inner side wall of the lower end of the cooling box. The utility model has the advantages of reasonable design, utilize the synchronous air admission of discharge gate of cooler bin lower extreme lateral wall and ejection of compact funnel bottom, can make the air current evenly spread to the cooler bin middle part and lateral part all around, ensure that the pellet feed homoenergetic in the cooler bin obtains fine cooling, improves production efficiency.

Description

Counter-flow cooler

The technical field is as follows:

the utility model relates to a counter-flow cooler.

Background art:

the granulated feed is formed by heating and bonding (molding) powdery small particles or fibrous raw materials through the mechanical action of water, heat and pressure. Granulation is a processing technology adopted by most feed mills and is an important process which is regarded as important and continuously developed by the feed industry.

In the prior art, the temperature of the granulated feed just pressed from the granulator is high, and the granulated feed needs to be cooled by a counter-flow cooler. However, the existing counter-flow cooler only depends on the discharge hole at the bottom of the discharge hopper to admit air during working, and the single air admission mode basically concentrates air flow in the middle of the cooling box body, so that the air flow can not be uniformly diffused to the peripheral side of the cooling box body, and the granulated feed on the peripheral side in the cooling box body can not be effectively cooled, thereby greatly reducing the production efficiency.

The utility model has the following contents:

the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a counter-flow cooler is provided, structural design is reasonable, effectively improves the cooling effect of the inside week side pellet feed of cooler bin.

In order to realize the purpose, the utility model discloses a technical scheme is: a counter-flow cooler comprises a cooling box and a discharge hopper arranged at the bottom of the cooling box, wherein a feed inlet and an air exhaust port are formed in the top of the cooling box, screen openings are formed in the peripheral side wall of the lower end of the cooling box, an annular air inlet cavity for wrapping the peripheral screen openings is fixedly connected to the outer side wall of the lower end of the cooling box, and a plurality of air inlets are formed in the peripheral bottom surface of the annular air inlet cavity; and an annular air deflector for guiding the air flow entering from the screen mesh opening upwards is fixedly connected to the inner side wall of the lower end of the cooling box.

Furthermore, the annular air deflector is in a conical shape with a small caliber at the upper end and a large caliber at the lower end, and the bottom surface of the annular air deflector is flush with the bottom surface of the screen mesh opening.

Furthermore, the annular air inlet cavity and the annular air guide plate are both square.

Furthermore, the middle part of the upper end of the cooling box is provided with an arc-shaped guide plate protruding upwards, and a plurality of blanking holes are uniformly formed in the guide plate.

Further, the below of stock guide is equipped with refining mechanism, refining mechanism includes vertical pivot, horizon bar, driving motor, a plurality of paddle and lock sleeve, driving motor passes through motor cabinet fixed mounting at the bottom surface middle part of stock guide, the upper end of vertical pivot is connected with driving motor's motor shaft transmission, and the lower extreme of vertical pivot is connected with the middle part of horizon bar through the lock sleeve, and the even interval of a plurality of paddles is installed in the bottom of horizon bar.

Furthermore, the outer edge of the material guide plate is fixedly connected with the inner side wall of the cooling box through a plurality of connecting rods which are uniformly distributed on the circumference.

Furthermore, a discharging mechanism is arranged at the upper end of the discharging hopper.

Further, the discharging mechanism is a fence type discharging mechanism, a swing type discharging mechanism or a vibration type discharging mechanism.

Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of reasonable design, utilize the synchronous air admission of discharge gate of cooler bin lower extreme lateral wall and ejection of compact funnel bottom, can make the air current evenly spread to the cooler bin middle part and lateral part all around, ensure that the pellet feed homoenergetic in the cooler bin obtains fine cooling, improves production efficiency.

Description of the drawings:

fig. 1 is a schematic front view of the embodiment of the present invention;

FIG. 2 is a schematic sectional view A-A of FIG. 1 (with the discharge mechanism omitted);

fig. 3 is a schematic top view of a material guide plate according to an embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the counter-flow cooler of the present invention comprises a cooling box 1 with a square cross section and a discharge funnel 2 installed at the bottom of the cooling box 1, wherein the top of the cooling box 1 is provided with a feed inlet 3 and an air exhaust opening 4, the feed inlet is used for entering pellet feed, and the feed inlet is provided with an impeller air seal machine; the peripheral side wall of the lower end of the cooling box 1 is provided with screen mesh openings 5, the outer side wall of the lower end of the cooling box 1 is fixedly connected with an annular air inlet cavity 6 used for wrapping the peripheral screen mesh openings 5, and the peripheral bottom surface of the annular air inlet cavity 6 is provided with a plurality of air inlets 7; and an annular air deflector 8 for guiding the air flow entering through the screen mesh opening 5 upwards is fixedly connected to the inner side wall of the lower end of the cooling box 1. When the cooling box works, air in the cooling box 1 is pumped away from the air pumping hole 4, external air flow enters the cooling box 1 from the discharge hole 9 at the bottom of the discharge hopper 2, and also enters the cooling box through the air inlet 7 at the bottom of the annular air inlet cavity 6, and the air flow flows upwards along the side wall of the cooling box 1 under the guidance of the annular air deflector 8 after passing through the screen mesh opening 5 and is used for cooling granulated feed on the inner peripheral side of the cooling box 1. Utilize the synchronous air admission of discharge gate in cooler bin lower extreme lateral wall and ejection of compact funnel bottom, can make the air current evenly spread to cooler bin middle part and lateral part all around, ensure that the pellet feed homoenergetic in the cooler bin obtains fine cooling, improves production efficiency.

In this embodiment, the annular air deflector 8 is in a conical shape with a small caliber at the upper end and a large caliber at the lower end, and the bottom surface of the annular air deflector 8 is flush with the bottom surface of the screen mesh opening 5, that is: the peripheral side surface of the annular air deflector is inclined with the screen mesh opening, so that the air flow is more favorably guided upwards, and the part of the air flow flows upwards along the side wall of the cooling box better.

In this embodiment, in order to adapt to the shape of the cooling box, the annular air inlet cavity 6 and the annular air deflector 8 are both square.

In this embodiment, an arc-shaped material guide plate 10 protruding upward is disposed in the middle of the upper end of the cooling box 1, and a plurality of blanking holes 11 are uniformly formed in the material guide plate 10. Because the pellet feed who falls from the feed inlet is more, and partial pellet feed strikes circular-arc stock guide back and disperses all around, and partial granule can directly fall from the blanking hole, realizes pellet feed's even whereabouts like this, and this not only makes better and the air current of pellet feed contact, can effectively avoid falling down in whole moreover and cause and pile up, influence cooling effect.

In this embodiment, in order to improve the air flowing effect, a material refining mechanism is arranged below the material guide plate 10, the material refining mechanism includes a vertical rotating shaft 12, a horizontal rod 13, a driving motor 14, a plurality of blades 15 and a locking sleeve, the driving motor 14 is fixedly mounted in the middle of the bottom surface of the material guide plate 10 through a motor base 18, the upper end of the vertical rotating shaft 12 is in transmission connection with a motor shaft of the driving motor 14, the lower end of the vertical rotating shaft 12 is connected with the middle of the horizontal rod 13 through the locking sleeve, and the plurality of blades 15 are uniformly mounted at the bottom of the horizontal rod 13 at intervals; preferably, the paddle is a circular rod. During operation, the driving motor drives the horizontal rod to rotate through the vertical rotating shaft, the granular feed is uniformly dispersed by the blades at the bottom of the horizontal rod, the uniformity of the dispersion of the granular feed and the probability of contact with air flow are ensured, and the cooling efficiency is greatly improved.

In this embodiment, the outer edge of the material guiding plate 10 is fixedly connected to the inner side wall of the cooling box through a plurality of connecting rods 16 uniformly distributed circumferentially.

In this embodiment, the upper end of the discharging hopper 2 is provided with a discharging mechanism 17. The discharging mechanism is a fence type discharging mechanism, a pendulum type discharging mechanism or a vibrating type discharging mechanism. It should be noted that the discharging mechanism is the existing mature technology, and the structure thereof is not repeated here.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a counter-flow cooler, includes the cooler bin and installs the ejection of compact funnel in the cooler bin bottom, the top of cooler bin is equipped with feed inlet and extraction opening, its characterized in that: the peripheral side wall of the lower end of the cooling box is provided with screen mesh openings, the outer side wall of the lower end of the cooling box is fixedly connected with an annular air inlet cavity for wrapping the peripheral screen mesh openings, and the peripheral bottom surface of the annular air inlet cavity is provided with a plurality of air inlets; and an annular air deflector for guiding the air flow entering from the screen mesh opening upwards is fixedly connected to the inner side wall of the lower end of the cooling box.

2. A counter flow cooler according to claim 1 wherein: the annular air deflector is in a conical shape with a small caliber at the upper end and a large caliber at the lower end, and the bottom surface of the annular air deflector is flush with the bottom surface of the screen mesh opening.

3. A counter flow cooler according to claim 1 wherein: the annular air inlet cavity and the annular air guide plate are both square.

4. A counter flow cooler according to claim 1 wherein: the middle part of the upper end of the cooling box is provided with an arc-shaped guide plate protruding upwards, and a plurality of blanking holes are uniformly formed in the guide plate.

5. The counter flow cooler of claim 4, wherein: the material refining device is characterized in that a material refining mechanism is arranged below the material guide plate, the material refining mechanism comprises a vertical rotating shaft, a horizontal rod, a driving motor, a plurality of paddles and a locking sleeve, the driving motor is fixedly installed in the middle of the bottom surface of the material guide plate through a motor base, the upper end of the vertical rotating shaft is in transmission connection with a motor shaft of the driving motor, the lower end of the vertical rotating shaft is connected with the middle of the horizontal rod through the locking sleeve, and the plurality of paddles are installed at the bottom of the horizontal rod at uniform intervals.

6. The counter flow cooler of claim 4, wherein: the outer edge of the material guide plate is fixedly connected with the inner side wall of the cooling box through a plurality of connecting rods which are uniformly distributed on the circumference.

7. A counter flow cooler according to claim 1 wherein: and a discharging mechanism is arranged at the upper end of the discharging hopper.

8. A counter flow cooler according to claim 7 wherein: the discharging mechanism is a fence type discharging mechanism, a pendulum type discharging mechanism or a vibrating type discharging mechanism.