CN219301095U

CN219301095U - High-efficient ventilated explosion-proof refrigeration house

Info

Publication number: CN219301095U
Application number: CN202320280475.5U
Authority: CN
Inventors: 王红
Original assignee: Huizhi Engineering Technology Co ltd
Current assignee: Huizhi Engineering Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-04
Anticipated expiration: 2033-02-21

Abstract

The utility model belongs to the technical field of refrigeration facilities, and particularly discloses an efficient ventilated explosion-proof refrigeration house, which comprises a refrigeration house outer wall and a refrigeration house inlet, wherein the refrigeration house outer wall is enclosed to form a refrigeration house, an insulating layer is fixedly connected to the inner side of the refrigeration house outer wall, and a plurality of air supply ports and a plurality of air exhaust ports are arranged on the refrigeration house outer wall and the insulating layer; the air supply port and the air exhaust port are arranged on different surfaces; explosion-proof closed valves are arranged in the air supply port and the air exhaust port, so that the loss of cold energy is reduced; the air supplementing opening is provided with an air supplementing shutter connected with the outer side of the refrigeration house; the air outlet is respectively provided with an air exhaust shutter and an accident fan at the inner side and the outer side of the refrigeration house, the air supply port and the accident fan work in a coordinated manner, the excessive negative pressure in the refrigeration house is prevented, and the working pressure of the accident fan is reduced; through the arrangement, an electric control air flow channel can be formed, so that the effective circulation of the air in the air conditioner is promoted, and the air flow tissue distribution is more uniform and reasonable; through insulating tube layer, heat preservation and protective layer, improve heat preservation and heat conduction uniformity, prevent to produce the cold bridge.

Description

High-efficient ventilated explosion-proof refrigeration house

Technical Field

The utility model belongs to the technical field of refrigeration facilities, and particularly relates to an efficient ventilated explosion-proof refrigeration house.

Background

In the refrigeration industry, the heat insulation performance of a part is reduced due to the difference of local structures in the heat insulation structure of a refrigeration house, and the part becomes a channel for transmitting a large amount of cold energy, which is commonly called as a cold bridge; in the existing refrigeration house for storing dangerous chemicals, most mechanical ventilation facilities arranged for saving energy are not used, natural ventilation is started only by using the outer door of the refrigeration house, or the arranged ventilation facilities are complex in operation, poor in heat preservation and sealing effects, serious in air tightness and poor in refrigeration loss, and a cold bridge is easy to generate, so that the refrigeration house cannot be practically used; because the outer door of the refrigeration house is not opened frequently and the tightness is good, when dangerous chemicals in the refrigeration house leak, dangerous gases cannot be discharged effectively in time, and harmful substances accumulate to generate toxic or explosion danger.

The prior patent CN111137564B provides a cold accumulation plate anti-frosting system for a fresh-keeping transport case and a control method, wherein a fresh-keeping area and a cold accumulation area are arranged in the fresh-keeping transport case, and refrigerating air circulation between the cold accumulation area and the fresh-keeping area is established by a blowing system, an air inlet duct and an air return duct; a condensing device and a defrosting device are arranged in the air return duct; the side wall of the return air duct is communicated with the fresh-keeping area through a ventilation pipe, and defrosting air circulation is established by using the defrosting device, the return air duct and the ventilation pipe; and the air return duct and the ventilation pipe are respectively provided with a closed valve, and the refrigerating air circulation and the defrosting air circulation are switched by adjusting the air blowing system, the closed valve and the defrosting device. Although the generation of a cold bridge can be avoided to a certain extent by utilizing air circulation, the device is too complex, the energy consumption is higher, the cost is high, and the heat preservation performance is not effectively improved.

Disclosure of Invention

Aiming at the problems of complex operation of ventilation facilities, poor heat preservation and sealing effects, serious loss of air tightness poor conduction refrigeration capacity, uneven heat distribution and easy generation of cold bridge in the prior art, the utility model provides an explosion-proof refrigeration house with high-efficiency ventilation. The utility model provides the following technical scheme:

the utility model provides an explosion-proof freezer of high-efficient ventilation, includes freezer outer wall and freezer entry, freezer outer wall inboard fixedly connected with heat preservation, freezer outer wall and be provided with a plurality of air supply mouth and a plurality of air exit on the heat preservation; the air supply port and the air exhaust port are arranged on different surfaces; explosion-proof closed valves are arranged in the air supply port and the air exhaust port, and an air supply shutter is arranged and connected with the outer side of the refrigeration house; the air outlet is respectively provided with an air exhaust shutter and an accident fan at the inner side and the outer side of the refrigeration house.

Further preferably, the air supply port is arranged beside the inlet of the refrigeration house, and the air outlet is arranged on the opposite side of the inlet of the refrigeration house.

Further preferably, the air supply port and the air outlet are fixedly connected with an air pipe, the outer side of the air pipe is fixedly connected with a heat-insulating pipe layer, and the heat-insulating pipe layer is the same as the heat-insulating layer in material.

Further preferably, the air duct is made of stainless steel plates.

Further preferably, the air supply port and/or the air outlet outer peripheral side is filled with a protective layer containing crushed wood dust and asphalt.

Further preferably, the air supply port and the air outlet are fixedly connected with a wood board on the periphery side.

Further preferably, a gas concentration detector is installed on the inner side of the outer wall of the refrigerator, the gas concentration detector is electrically connected with the accident fan, and the accident fan is electrically connected with the explosion-proof sealing valve.

Further preferably, a mechanical switch is electrically connected to the outer side of the explosion-proof sealing valve.

Further preferably, a filter screen is fixedly connected to the air supplementing shutter.

Further preferably, the accident fan is an anti-corrosion and anti-explosion wall type axial flow fan.

Compared with the prior art, the utility model has the following beneficial effects:

1. the explosion-proof sealing valves are arranged in the air supply port and the air exhaust port, so that the loss of cold energy can be reduced, and the refrigerating effect can be improved;

2. the air outlet is respectively provided with an air exhaust shutter and an accident fan at the inner side and the outer side of the refrigeration house, the air exhaust shutter can work in coordination with the accident fan, outdoor dust and mosquito are prevented from entering, and the working pressure of the accident fan is reduced;

3. an electric control air flow channel can be formed, so that the air flow tissue is uniformly and reasonably distributed, the indoor temperature is balanced, the generation of a cold bridge is prevented, and the cost is lower.

Drawings

FIG. 1 is a schematic diagram of the layout structure of the present utility model;

in the drawing, 1, a cold storage outer wall; 101. a refrigerating room; 102. crossing the hall; 2. a cold storage inlet; 201. a people stream passage; 202. a logistics channel; 3. a heat preservation layer; 4. air supplementing port; 5. an air outlet; 6. an air duct; 7. an explosion-proof sealing valve; 8. wind supplementing shutter; 9. an exhaust shutter; 10. an accident fan.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, the following description will be made in detail with reference to the accompanying drawings, wherein directional words such as "upper", "lower", "left", "right", etc. are words of description, and thus, the words of description are used for illustrating, but not limiting, the utility model.

As shown in fig. 1, an explosion-proof refrigeration house with high-efficiency ventilation comprises a refrigeration house outer wall 1 and a refrigeration house inlet 2, wherein the refrigeration house outer wall 1 is enclosed to form a refrigeration house 101, an insulation layer 3 is fixedly connected to the inner side of the refrigeration house outer wall 1, and a plurality of air supply ports 4 and a plurality of air exhaust ports 5 are arranged on the refrigeration house outer wall 1 and the insulation layer 3; the air supply port 4 and the air exhaust port 5 are arranged on different surfaces; explosion-proof closed valves 7 are arranged in the air supply port 4 and the air exhaust port 5, so that the loss of cold energy is reduced; the air supplementing opening 4 is provided with an air supplementing shutter 8 at the outer side of the refrigerator; the air outlet 5 is respectively provided with an air exhaust shutter 9 and an accident fan 10 at the inner side and the outer side of the refrigerator, the air exhaust shutter 9 can work in coordination with the accident fan 10, the outdoor sand dust and mosquito are prevented from entering, and the working pressure of the accident fan 10 is reduced; through the arrangement, an electric control air flow channel can be formed, so that the effective circulation of the air in the air conditioner is promoted, the air flow tissue distribution is more uniform and reasonable, and a certain cold bridge prevention effect is achieved.

Specifically, the top of the refrigeration room 101 is provided with the refrigeration calandria in an equalizing manner, the refrigeration calandria in the equalizing manner at the top is used for direct evaporative cooling refrigeration, and circulating air is not adopted in the refrigeration room 101, so that the explosion-proof requirement can be met, the refrigerating capacity is relatively uniform, and the effects of energy conservation and electricity saving can be achieved; the refrigerating room 101 is not provided with refrigerating equipment in a stacked manner, but is used for storing materials only. In this case, the middle part of the refrigerated compartment 101 is easily obstructed by the material blocking. In this regard, the air supply port 4 is arranged beside the cold storage inlet 2 to prevent the excessive negative pressure in the cold storage room 101, and the air outlet 5 is arranged on the opposite side of the cold storage inlet 2 to form a larger space, thereby being convenient for expanding the range of air circulation and preventing the accumulation of harmful gases.

Specifically, the refrigerator outer wall 1 forms a hall 102 around the refrigerator 101, the refrigerator inlet 2 comprises a people flow channel 201 and a logistics channel 202 which are arranged on the same side of the refrigerator 101, and the air supply port 4 is arranged on one side close to the people flow channel 201, so that the cold energy escaping when the refrigerator inlet 2 is opened can be reduced due to the fact that the people flow channel 201 is smaller than the logistics channel 202, and meanwhile, the air supply port 4 is convenient for personnel to check, control and maintain; the two air outlets 5 are horizontally arranged at intervals and are respectively positioned at two ends of the side wall of the outer wall 1 of the refrigerator opposite to the side wall of the inlet 2 of the refrigerator, so that the cost is saved and the air circulation effect is achieved.

Further, the outer peripheral sides of the air supply port 4 and the air exhaust port 5 are filled with a protective layer, and the protective layer is formed by mixing wood dust and asphalt through stirring, so that the tightness, corrosion resistance and heat insulation property are improved. The air supply port 4 and the air outlet 5 are fixedly connected with the plank on the periphery, and the moisture-proof layer is arranged outside the plank, so that the consistency is high and the corrosion resistance is good. The air supply port 4 and the air outlet 5 are fixedly connected with the air pipe 6, the air pipe 6 is fixedly connected with the heat insulation pipe layer, the material and the thickness of the heat insulation pipe layer are the same as those of the heat insulation layer 3, the heat insulation capacity and the corrosion resistance are improved, the heat conduction consistency is improved, and the occurrence of cold bridges caused by uneven local heat distribution is avoided.

Further, the air pipe 6 is made of stainless steel plates, has high corrosion resistance and long service life, and simultaneously eliminates static electricity by being connected with a static grounding device so as to prevent gas explosion.

Further, a gas concentration detector is arranged on the inner side of the outer wall 1 of the refrigerator, the gas concentration detector is electrically connected with an accident fan 10, and the accident fan 10 is electrically connected with an explosion-proof closed valve 7, so that the automatic air inlet and exhaust can be realized. Meanwhile, a mechanical switch is electrically connected to the outer side of the explosion-proof sealing valve 7.

Further, the air supplementing louver 8 is fixedly connected with a filter screen and an insect screen so as to filter external dust and prevent mosquitoes from entering.

Further, the accident fan 10 is an anti-corrosion and anti-explosion wall type axial flow fan, and has good corrosion resistance, good anti-explosion performance and long service life.

In actual operation, materials are stored in the refrigerating room 101 in the outer wall 1 of the refrigerating room, when the gas concentration detector detects that the oxygen concentration is lower than a set value or the toxic gas concentration is higher than the set value, the explosion-proof sealing valve 7 of the air supplementing port and the air exhausting port is opened, the accident fan 10 of the air exhausting port is opened, the accident fan 10 operates, the negative pressure in the refrigerating room 101 is increased, the external oxygen is inhaled, the air circulation is promoted, the temperature in the refrigerating room 101 is balanced, and the operation of the accident fan 10 can be manually controlled through a mechanical switch, so that the stability and the safety guarantee are improved; contain garrulous saw-dust and pitch's protective layer to and tuber pipe 6 outside fixedly connected with insulating tube layer, and insulating tube layer material and thickness are the same with insulating layer 3, can improve the uniformity, avoid local thermal-insulated performance to reduce and arouse the cold bridge.

Claims

1. The utility model provides an explosion-proof freezer of high-efficient ventilation, includes freezer outer wall (1) and freezer entry (2), its characterized in that, freezer outer wall (1) inboard fixedly connected with heat preservation (3), freezer outer wall (1) with be provided with a plurality of air supply mouth (4) and a plurality of air exit (5) on heat preservation (3); the air supply opening (4) and the air exhaust opening (5) are arranged on different surfaces; an explosion-proof closed valve (7) is arranged in the air supplementing opening (4) and the air outlet (5), and the air supplementing opening (4) is provided with an air supplementing shutter (8) at the outer side of the refrigeration house; the air outlet (5) is respectively provided with an air exhaust shutter (9) and an accident fan (10) at the inner side and the outer side of the refrigeration house.

2. The efficient ventilated explosion-proof cold storage according to claim 1, wherein the air supply port (4) is arranged beside the cold storage inlet (2), and the air outlet (5) is arranged on the opposite side of the cold storage inlet (2).

3. The efficient ventilated explosion-proof refrigeration house according to claim 1, wherein an air pipe (6) is fixedly connected to the inner side of the air supply opening (4) and the inner side of the air exhaust opening (5), a heat-insulating pipe layer is fixedly connected to the outer side of the air pipe (6), and the heat-insulating pipe layer is the same as the heat-insulating layer (3).

4. An efficient ventilated explosion-proof cold store according to claim 3, wherein the air duct (6) is made of stainless steel plate.

5. An efficient ventilated explosion-proof cold store according to claim 1, wherein the peripheral sides of the air supply openings (4) and/or the air outlet openings (5) are filled with a protective layer comprising wood chips and asphalt.

6. The efficient ventilated explosion-proof cold store according to claim 1 or 5, wherein the air supply port (4) and the air exhaust port (5) are fixedly connected with a wood board at the peripheral sides.

7. The efficient-ventilation explosion-proof refrigerator according to claim 1, wherein a gas concentration detector is mounted on the inner side of the refrigerator outer wall (1), the gas concentration detector is electrically connected to the accident fan (10), and the accident fan (10) is electrically connected to the explosion-proof sealing valve (7).

8. The efficient ventilation explosion-proof cold store according to claim 1 or 7, wherein the outside of the explosion-proof sealing valve (7) is electrically connected with a mechanical switch.

9. The efficient ventilated explosion-proof cold storage according to claim 1, wherein the air compensating shutter (8) is fixedly connected with a filter screen.

10. The efficient ventilated explosion-proof cold store according to claim 1, wherein the accident fan (10) is an anti-corrosion explosion-proof wall type axial flow fan.