Air pressure balancing structure of tunnel refrigerator

Abstract

The utility model relates to a wind pressure balancing structure of a tunnel refrigerator, which comprises a shell, a conveying belt arranged at the lower part in the shell, a first partition wall and a second partition wall arranged in the shell, a first pressure equalizing area formed between the first partition wall and the left side wall of the shell, and a second pressure equalizing area formed between the second partition wall and the right side wall of the shell, evaporators are arranged in the middle of the position between the first partition wall and the second partition wall, a partition plate is arranged between the two evaporators and divides the position between the first partition wall and the second partition wall into an upper part and a lower part, a draught fan is arranged in the positive pressure area, and a first balance window is arranged on the first partition wall between the negative pressure area and the first pressure equalizing area; a second balance window is arranged on the second partition wall between the negative pressure area and the second pressure equalizing area, a third balance window is arranged on the first partition wall between the positive pressure area and the first pressure equalizing area, and a fourth balance window is arranged on the second partition wall between the positive pressure area and the second pressure equalizing area, so that cold air leakage and normal-temperature air entering are prevented; the overall heat exchange efficiency of the device can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick freezing technical field, concretely relates to a wind pressure balance structure of tunnel freezer. BACKGROUND

[0002] The tunnel quick freezer does not have the structure that balances the air pressure difference between the quick freezer and the surrounding environment in the present market, air flow is generated between the import and export position of the quick freezer conveying belt and the surrounding environment air, the operator feels uncomfortable, and the efficiency of the quick freezer is affected, the energy consumption of the equipment is increased, the prior art only simply wraps the import and export, prevents the operator from contacting the cold air, prevents the normal temperature air from entering, but the technical effect is not obvious by the wrapping method, and the operation is very inconvenient. SUMMARY

[0003] In order to overcome the technical problems that the air of the tunnel quick freezer leaks and the normal temperature air enters, resulting in low efficiency, the utility model provides a wind pressure balance structure of tunnel freezer.

[0004] The utility model discloses a wind pressure balance structure of tunnel freezer, including the shell, the shell left and right two sides wall is equipped with the feed inlet and the discharge outlet respectively, the shell is equipped with the conveying belt in the lower part, the conveying belt is from the feed inlet and the discharge outlet and extends to the shell outside, the shell is equipped with the first partition wall and the second partition wall in the inside, the first partition wall and the second partition wall are equipped with the through -hole on the corresponding conveying belt, the conveying belt passes through the through -hole on the first partition wall and the second partition wall, the first partition wall and the shell left side wall form the first pressure equalizing area between, the second partition wall and the shell right side wall form the second pressure equalizing area between, the first partition wall and the second partition wall are equipped with two groups of evaporators between the middle part, be equipped with the partition board between the two groups of evaporators, be equipped with a plurality of vent holes on the partition board, the partition board divides into two parts between the first partition wall and the second partition wall, the partition board upper part is the negative pressure area, and the partition board lower part is the positive pressure area, the evaporator air inlet is connected with the positive pressure area, the evaporator air outlet is connected with the negative pressure area, be equipped with the fan in the positive pressure area, the fan air inlet is connected with the negative pressure area through the partition board, the fan air outlet is connected with the positive pressure area, be equipped with the first balance window on the first partition wall between the negative pressure area and the first pressure equalizing area, be equipped with the second balance window on the second partition wall between the negative pressure area and the second pressure equalizing area, be equipped with the third balance window on the first partition wall between the positive pressure area and the first pressure equalizing area, be equipped with the fourth balance window on the second partition wall between the positive pressure area and the second pressure equalizing area;

[0005] Preferably, the first partition wall and the second partition wall are provided with through holes corresponding to the conveying belt, and the conveying belt passes through the through holes on the first partition wall and the second partition wall.

[0006] Preferably, the first balance window comprises a first window opened on the first partition wall between the negative pressure area and the first equal pressure area, first long strip-shaped through holes are arranged on both sides of the first window, a first cover plate is arranged on the first window, first threaded holes are arranged on both sides of the first cover plate, first bolts are arranged in the first threaded holes, first nuts are threadedly connected to the ends of the first bolts, and the first bolts are threadedly connected with the first nuts after penetrating through the first threaded holes and the first long strip-shaped through holes.

[0007] Preferably, the second balance window comprises a second window opened on the second partition wall between the negative pressure area and the second equal pressure area, second long strip-shaped through holes are arranged on both sides of the second window, a second cover plate is arranged on the second window, second threaded holes are arranged on both sides of the second cover plate, second bolts are arranged in the second threaded holes, second nuts are threadedly connected to the ends of the second bolts, and the second bolts are threadedly connected with the second nuts after penetrating through the second threaded holes and the second long strip-shaped through holes.

[0008] Preferably, the third balance window comprises a third window opened on the first partition wall between the positive pressure area and the first equal pressure area, third long strip-shaped through holes are arranged on both sides of the third window, a third cover plate is arranged on the third window, third threaded holes are arranged on both sides of the third cover plate, third bolts are arranged in the third threaded holes, third nuts are threadedly connected to the ends of the third bolts, and the third bolts are threadedly connected with the third nuts after penetrating through the third threaded holes and the third long strip-shaped through holes.

[0009] Preferably, the fourth balance window comprises a fourth window opened on the second partition wall between the negative pressure area and the second equal pressure area, fourth long strip-shaped through holes are arranged on both sides of the fourth window, a fourth cover plate is arranged on the fourth window, fourth threaded holes are arranged on both sides of the fourth cover plate, fourth bolts are arranged in the fourth threaded holes, fourth nuts are threadedly connected to the ends of the fourth bolts, and the fourth bolts are threadedly connected with the fourth nuts after penetrating through the fourth threaded holes and the fourth long strip-shaped through holes.

[0010] Preferably, wind baffles are arranged on both sides of the conveying belt, the upper ends of the wind baffles are fixed to the lower side of the partition plate, and the lower ends of the wind baffles are lower than the conveying belt.

[0011] Preferably, the fan is provided with two groups.

[0012] Preferably, the first balance window, the second balance window, the third balance window, and the fourth balance window are each provided with two groups.

[0013] Compared with the prior art, the first partition wall and the second partition wall divide the inside of the shell into the first equalizing area and the second equalizing area, and the first balance window, the second balance window, the third balance window and the fourth balance window are arranged on the first partition wall and the second partition wall, so that the cold air leakage and the normal-temperature air inflow of the feeding port and the discharging port on the shell can be adjusted by opening the first balance window, the second balance window, the third balance window and the fourth balance window to adjust the air pressure of the first equalizing area and the second equalizing area, the cold air leakage and the normal-temperature air inflow are prevented, and the overall heat exchange efficiency of the device can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the internal structure of the utility model.

[0015] Figure 2 is the internal structure of the utility model.

[0016] Figure 3 is the internal structure of the utility model.

[0017] Figure 4 is the internal structure of the utility model.

[0018] In the figure: 1, shell; 2, evaporator; 3, conveying belt; 4, fan; 5, wind shield; 6: first balance window; 601, first window; 602, first long slot; 603, first cover plate; 604, first bolt; 7, second balance window; 8, first partition wall; 9, feeding port; 10, discharging port; 11, second partition wall; 12, third balance window; 13, fourth balance window; 14, partition plate; 15, first equalizing area; 16, negative pressure area; 17, positive pressure area; 18, second equalizing area. DETAILED DESCRIPTION

[0019] The utility model discloses a kind of wind pressure balance structures of tunnel freezer, specific implementation manner as Figures 1-4As shown, including the shell 1, the shell 1 left and right side walls are respectively provided with feed inlet 9 and discharge port 10, the shell 1 inside lower part is provided with conveying belt 3, conveying belt 3 from feed inlet 9 and discharge port 10 extends to the outside of shell 1, the shell 1 inside is provided with first partition wall 8 and second partition wall 11, first partition wall 8 and second partition wall 11 are provided with through holes corresponding to the position of conveying belt 3, conveying belt 3 passes through the through holes on first partition wall 8 and second partition wall 11, first partition wall 8 and the left side wall of shell 1 form first equalizing zone 15, second partition wall 11 and the right side wall of shell 1 form second equalizing zone 18, two groups of evaporators 2 are arranged in the middle between first partition wall 8 and second partition wall 11, a partition plate 14 is arranged between the two groups of evaporators 2, a plurality of air holes are arranged on the partition plate 14, the partition plate 14 divides the space between first partition wall 8 and second partition wall 11 into two parts, the upper part of the partition plate 14 is negative pressure zone 16, the lower part of the partition plate 14 is positive pressure zone 17, the air inlet of evaporator 2 is communicated with positive pressure zone 17, the air outlet of evaporator 2 is communicated with negative pressure zone 16, two groups of fans 4 are arranged in positive pressure zone 17, the air inlet of fan 4 is communicated with negative pressure zone 16 through partition plate 14, the air outlet of fan 4 is communicated with positive pressure zone 17;

[0020] Two groups of first balance windows 6 are arranged on first partition wall 8 between negative pressure zone 16 and first equalizing zone 15, first balance window 6 comprises first window 601 arranged on first partition wall 8 between negative pressure zone 16 and first equalizing zone 15, first long strip-shaped through hole 602 is arranged on the both sides of first window 601, first cover plate (603) is arranged on first window 601, first screw hole is arranged on the both sides of first cover plate (603), first bolt is arranged in first screw hole, first nut is threadedly connected to the end of first bolt, first bolt is threadedly connected with first nut after passing through first screw hole and first long strip-shaped through hole 602;

[0021] Two groups of second balance windows 7 are arranged on second partition wall 11 between negative pressure zone 16 and second equalizing zone 18, second balance window 7 comprises second window arranged on second partition wall 11 between negative pressure zone 16 and second equalizing zone 18, second long strip-shaped through hole is arranged on the both sides of second window, second cover plate is arranged on second window, second screw hole is arranged on the both sides of second cover plate, second bolt is arranged in second screw hole, second nut is threadedly connected to the end of second bolt, second bolt is threadedly connected with second nut after passing through second screw hole and second long strip-shaped through hole;

[0022] The first partition wall 8 between the positive pressure area 17 and the first equalizing area 15 is provided with two groups of third balance windows 12, the third balance window 12 comprises a third window opening in the first partition wall 8 between the positive pressure area 17 and the first equalizing area 15, third long strip-shaped through holes are arranged on both sides of the third window, a third cover plate is arranged on the third window, third threaded holes are arranged on both sides of the third cover plate, third bolts are arranged in the third threaded holes, third nuts are threadedly connected to the ends of the third bolts, and the third bolts are threadedly connected with the third nuts after penetrating through the third threaded holes and the third long strip-shaped through holes;

[0023] The second partition wall 11 between the positive pressure area 17 and the second equalizing area 18 is provided with two groups of fourth balance windows 13, the fourth balance window 13 comprises a fourth window opening in the second partition wall 11 between the negative pressure area 16 and the second equalizing area 18, fourth long strip-shaped through holes are arranged on both sides of the fourth window, a fourth cover plate is arranged on the fourth window, fourth threaded holes are arranged on both sides of the fourth cover plate, fourth bolts are arranged in the fourth threaded holes, fourth nuts are threadedly connected to the ends of the fourth bolts, and the fourth bolts are threadedly connected with the fourth nuts after penetrating through the fourth threaded holes and the fourth long strip-shaped through holes;

[0024] The conveying belt 3 is provided with wind baffles 5 on both sides, the upper end of the wind baffle 5 is fixed to the lower side of the partition plate 14, the lower end of the wind baffle 5 is lower than the conveying belt 3, and the wind baffle 5 can make the cold air brought by the fan contact the products on the conveying belt 3.

[0025] Working process: start the conveyor belt 3, the product to be cooled on the conveyor belt 3 from the inlet into the shell 1, start the fan 4 and the evaporator 2, the fan 4 will negative pressure area 16 air into the positive pressure area 17, so that the negative pressure area 16 pressure is less than the positive pressure area 17, the air from top to bottom to the conveyor belt 3, taking away the heat of the product on it, the air with heat flows from both sides of the conveyor belt 3 to the below of the baffle 5, back to the inlet of the evaporator 2 from the below of the baffle 5, after the heat is taken away by the evaporator 2, the cold air flows to the negative pressure area 16 from the outlet of the evaporator 2, the fan 4 again absorbs the cold air from the negative pressure area 16 into the positive pressure area 17, blows to the conveyor belt 3, so the cycle is repeated, the product on the conveyor belt 3 is quickly frozen, when the inlet 9 leaks cold air to the outside of the shell, it means that the outlet 10 position enters the normal temperature air into the shell 1, at this time, open the first balance window 6 and the fourth balance window 13, that is, loosen the first nut, move the first cover plate 603 downward, tighten the first nut at the appropriate position, so as to open the first balance window 6, reduce the air pressure of the first equalization area 15, increase the air pressure of the second equalization area 18, prevent the cold air from leaking from the inlet 9, also prevent the normal temperature air from flowing into the outlet 10. When the outlet 10 flows into the cold air to the outside, it means that the normal temperature air flows into the inlet 9, at this time, open the second balance window 7 and the third balance window 12, which are opened in the same way as the first balance window 6, so as to increase the air pressure of the first equalization area 15, reduce the air pressure of the second equalization area 18, prevent the normal temperature air from flowing into the inlet 9, also prevent the cold air from flowing out of the outlet 10.

Claims

1. A wind pressure balance structure of a tunnel freezer, characterized by, The utility model provides a kind of evaporative cooling device, including shell (1), the left and right side walls of the shell (1) are equipped with feed inlet (9) and discharge outlet (10) respectively, the lower part of the shell (1) is equipped with conveying belt (3), the conveying belt (3) extends to the outside of shell (1) from feed inlet (9) and discharge outlet (10), the inside of the shell (1) is equipped with first partition wall (8) and second partition wall (11), the first partition wall (8) and second partition wall (11) are equipped with through hole corresponding to conveying belt (3), the conveying belt (3) passes through the through hole on the first partition wall (8) and second partition wall (11), the first partition wall (8) and the left side wall of shell (1) form first equalizing zone (15), the second partition wall (11) and the right side wall of shell (1) form second equalizing zone (18), the middle part between the first partition wall (8) and the second partition wall (11) is equipped with two groups of evaporator (2), the two groups of evaporator (2) are equipped with partition plate (14), the partition plate (14) is equipped with multiple air holes, the partition plate (14) divides the first partition wall (8) and the second partition wall (11) into two parts, the upper part of partition plate (14) is negative pressure zone (16), the lower part of partition plate (14) is positive pressure zone (17), the air inlet of evaporator (2) is communicated with positive pressure zone (17), the air outlet of evaporator (2) is communicated with negative pressure zone (16), the positive pressure zone (17) is equipped with fan (4), the air inlet of fan (4) is communicated with negative pressure zone (16) through partition plate (14), the air outlet of fan (4) is communicated with positive pressure zone (17), the first partition wall (8) between negative pressure zone (16) and first equalizing zone (15) is equipped with first balance window (6), the second partition wall (11) between negative pressure zone (16) and second equalizing zone (18) is equipped with second balance window (7), the first partition wall (8) between positive pressure zone (17) and first equalizing zone (15) is equipped with third balance window (12), the second partition wall (11) between positive pressure zone (17) and second equalizing zone (18) is equipped with fourth balance window (13).

2. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein The first balance window (6) includes first window (601) being opened on the first partition wall (8) between negative pressure zone (16) and first equalizing zone (15), first window (601) is equipped with first long strip hole (602) on both sides, first window (601) is equipped with first cover plate (603), both sides of first cover plate (603) are equipped with first threaded hole, first threaded hole is equipped with first bolt, the end of first bolt is threadedly connected with first nut, first bolt passes through first threaded hole and first long strip hole (602) and is threadedly connected with first nut.

3. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein The second balance window (7) comprises a second window opening on the second partition wall (11) between the negative pressure area (16) and the second equalizing area (18), second long strip-shaped through holes are arranged on both sides of the second window, a second cover plate is arranged on the second window, second threaded holes are arranged on both sides of the second cover plate, second bolts are arranged in the second threaded holes, second nuts are threadedly connected to the ends of the second bolts, and the second bolts are threadedly connected with the second nuts after penetrating through the second threaded holes and the second long strip-shaped through holes.

4. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein The third balance window (12) comprises a third window opening on the first partition wall (8) between the positive pressure area (17) and the first equalizing area (15), third long strip-shaped through holes are arranged on both sides of the third window, a third cover plate is arranged on the third window, third threaded holes are arranged on both sides of the third cover plate, third bolts are arranged in the third threaded holes, third nuts are threadedly connected to the ends of the third bolts, and the third bolts are threadedly connected with the third nuts after penetrating through the third threaded holes and the third long strip-shaped through holes.

5. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein The fourth balance window (13) comprises a fourth window opening on the second partition wall (11) between the negative pressure area (16) and the second equalizing area (18), fourth long strip-shaped through holes are arranged on both sides of the fourth window, a fourth cover plate is arranged on the fourth window, fourth threaded holes are arranged on both sides of the fourth cover plate, fourth bolts are arranged in the fourth threaded holes, fourth nuts are threadedly connected to the ends of the fourth bolts, and the fourth bolts are threadedly connected with the fourth nuts after penetrating through the fourth threaded holes and the fourth long strip-shaped through holes.

6. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein Both sides of the conveying belt (3) are provided with wind baffles (5), the upper ends of the wind baffles (5) are fixed to the lower side of the partition plate (14), and the lower ends of the wind baffles (5) are lower than the conveying belt (3).

7. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein The fan (4) is provided with two groups.

8. The wind pressure balance structure of a tunnel freezer according to claim 1, wherein The first balance window (6), the second balance window (7), the third balance window (12), and the fourth balance window (13) are each provided with two groups.

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