Low-temperature ultraviolet sterilization lamp box applied to ultra-clean production

Abstract

The invention relates to the technical field of ultraviolet sterilization lamp boxes, in particular to a low-temperature ultraviolet sterilization lamp box applied to ultra-clean production, which comprises a cover and a lamp box shell, the box cover is arranged at the upper part of the lamp box shell and is used for sealing the lamp box shell, and an inner condensation reflecting cover fixedly arranged on the box cover is arranged in the lamp box shell; a plurality of ultraviolet lamps which are arranged at equal intervals are arranged in the lamp box shell relative to the lower part of the inner condensation reflecting cover; and ultraviolet-transmitting quartz windows for protecting the ultraviolet lamps are arranged at the bottoms of the ultraviolet lamps. Ultraviolet rays generated by the ultraviolet lamp are polymerized through irradiation of the ultraviolet lamp and the inner condensation reflecting cover, the ultraviolet rays are irradiated on the surface of a packaging material through the ultraviolet-transmitting quartz window, green and pollution-free light ray type inactivation is carried out on the packaging material, the electric energy consumption of the whole equipment in the energy consumption of industrial equipment is small, and energy is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of ultraviolet sterilization light boxes, in particular to a low-temperature ultraviolet sterilization light box used in ultra-clean production. Background Art

[0002] The packaging hygiene requirements for food, medicine, drinking water, beverages and other products are becoming increasingly higher. Improving the hygiene level can not only extend the shelf life of the product, but also improve the production environment and promote green energy conservation and emission reduction.

[0003] Existing ultra-clean production equipment usually adopts a centralized treatment method before production to control the microorganisms of packaging materials, which causes secondary pollution in subsequent transportation, storage and production on-site machines. Many ultra-clean production lines only control the microorganisms of the spatial environment, while the packaging materials used in real-time production are mostly not properly processed or disinfected and sterilized with chemicals. This makes it easy for microorganisms to exceed the standard, or the use of chemicals for disinfection can easily cause chemical residues, thereby affecting the flavor of food and even destroying the ingredients of medicines. The volatilization of chemicals also poses a threat to the production environment and production workers. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem of using low-temperature ultraviolet technology for modular closed design in the prior art and centralized irradiation and sterilization of the objects to be treated, and to propose a low-temperature ultraviolet sterilization light box for ultra-clean production.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A low-temperature ultraviolet sterilization light box used in ultra-clean production includes a box cover and a light box shell. The box cover is arranged on the upper part of the light box shell and seals the light box shell. An inner focusing reflector fixedly mounted on the box cover is provided in the light box shell. A plurality of ultraviolet lamps are arranged in the light box shell at equal distances below the inner focusing reflector, and an ultraviolet-transmitting quartz window is provided at the bottom of the ultraviolet lamp to protect the ultraviolet lamp.

[0007] Preferably, the box cover is provided with two symmetrically arranged through holes, and an air inlet and an air outlet are fixedly installed in the two through holes respectively.

[0008] Preferably, dustproof nets are provided in both the air inlet and the air outlet.

[0009] Preferably, two symmetrically arranged handles are fixedly mounted on the box cover, and the air inlet and the air outlet are arranged between the two handles.

[0010] Preferably, a through hole is provided at the bottom of the light box housing, and the ultraviolet-transparent quartz window is fixedly installed in the through hole provided at the bottom of the light box housing.

[0011] Preferably, the inner focusing reflector is a U-shaped structure, and multiple ultraviolet lamps are arranged between the inner focusing reflectors.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] 1. The present invention aggregates the ultraviolet rays generated by the ultraviolet lamp through the irradiation of the ultraviolet lamp and the internal focusing reflector, and irradiates the ultraviolet rays on the surface of the packaging material through the ultraviolet quartz window, thereby performing green and pollution-free light-type inactivation on the packaging material. In addition, the power consumption of the entire equipment accounts for a relatively small proportion of the energy consumption of industrial equipment, and is relatively energy-saving.

[0014] 2. The present invention achieves ultra-clean production of packaging materials by achieving a UV output intensity exceeding 30,000 μW and a sterilization rate of more than 99.9% against various microorganisms.

[0015] 3. The modular structure of the present invention ensures good sealing performance of the equipment, convenient installation and easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a low-temperature ultraviolet sterilization lamp box for ultra-clean production proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of an inner focusing reflector and an ultraviolet lamp of a low-temperature ultraviolet sterilization lamp box for ultra-clean production proposed by the present invention;

[0018] Figure 3 This is a schematic diagram of a box cover and a light box shell of a low-temperature ultraviolet sterilization light box for ultra-clean production proposed by the present invention;

[0019] Figure 4 This is a schematic diagram of the UV dose effect of killing Bacillus subtilis in a low-temperature UV sterilization lamp box applied to ultra-clean production proposed by the present invention;

[0020] Figure 5 This is a schematic diagram of the ultraviolet dose effect of killing Escherichia coli in a low-temperature ultraviolet sterilization light box used in ultra-clean production proposed by the present invention.

[0021] In the figure: 1. Box cover; 2. Air inlet; 3. Air outlet; 4. Internal focusing reflector; 5. Ultraviolet lamp; 6. UV-transmitting quartz window; 7. Light box shell. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Reference Figure 1-Figure 5 , a low-temperature ultraviolet sterilization lamp box used in ultra-clean production, including a box cover 1 and a lamp box shell 7. When the sterilization lamp box is running, the box cover 1 and the lamp box shell 7 are cooled by the air outlet 3 of the air inlet 2, so that the surface temperature of the sterilization lamp box does not exceed 40°C during normal operation, which is a relatively low temperature compared to pasteurization and steam sterilization. In addition, this sterilization method does not use high-temperature thermal energy for sterilization, so it is essentially different from traditional thermal sterilization. The box cover 1 is arranged on the upper part of the lamp box shell 7 and seals the lamp box shell 7. An inner focusing reflector 4 fixedly mounted on the box cover 1 is provided in the lamp box shell 7. A plurality of equally spaced ultraviolet lamps 5 are arranged in the lamp box shell 7 relative to the lower part of the inner focusing reflector 4, and a UV-transmitting quartz window 6 is provided at the bottom of the ultraviolet lamp 5 to protect the ultraviolet lamp 5.

[0024] It should be noted that, as Figure 4 and attached Figure 5 The International Ultraviolet Association has published a table of ultraviolet doses required to kill a variety of bacteria and viruses. The ultraviolet output intensity of the ultraviolet lamp 5 exceeds 30,000 μw. According to the ultraviolet dose = ultraviolet intensity * irradiation time, for the attached Figure 4 The Bacillus subtilis ATCC6633 can reach a sterilization rate of 99.9% after being irradiated by ultraviolet light for two seconds. Figure 5 The UV dose corresponding to the E. coli in the sample can achieve a 99.9% sterilization rate, which can be achieved in less than a second.

[0025] There are two symmetrical through holes on the box cover 1, and the air inlet 2 and the air outlet 3 are fixedly installed in the two through holes respectively. The air outlet 2 is used in conjunction with the cooling fan through a pipeline. The air duct connected to the air outlet 3 leads the blown air to the outside of the equipment for discharge. The room temperature air passing through is only used to regulate the temperature inside the equipment to prevent heat accumulation during long-term operation.

[0026] Dust-proof nets are provided in both the air inlet 2 and the air outlet 3 to prevent dust and debris in the air from entering the light box housing 7 .

[0027] Two symmetrically arranged handles are fixedly mounted on the box cover 1, and the air inlet 2 and the air outlet 3 are arranged between the two handles.

[0028] A through hole is provided at the bottom of the light box housing 7 , and the ultraviolet transparent quartz window 6 is fixedly installed in the through hole provided at the bottom of the light box housing 7 .

[0029] The inner focusing reflector 4 is a U-shaped structure, and the multiple ultraviolet lamps 5 are arranged between the inner focusing reflector 4.

[0030] The present invention can be explained through the following operation mode:

[0031] During the specific production process, since the microbial content of the packaging material is usually relatively low in the early stage, the ultraviolet light generated by the ultraviolet light lamp 5 is turned on and combined with the internal focusing reflector 4 to polymerize the ultraviolet light generated by the ultraviolet light lamp 5 and irradiate the surface of the packaging material through the ultraviolet quartz window 6, thereby inactivating the microorganisms in a green and pollution-free manner, making them unable to reproduce;

[0032] When the ultraviolet lamp 4 works for a long time, by connecting the air duct to the ends of the air inlet 2 and the air outlet 3, and using the cooling fan, the air in the atmosphere is blown into the lamp box shell 7 through the air inlet 2, and then the blown air is led to the outside of the equipment through the air duct connected to the air outlet 3 for discharge, so as to adjust the temperature inside the equipment and prevent heat accumulation caused by the ultraviolet lamp 4 working for a long time.

[0033] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A low-temperature ultraviolet sterilization lamp box for ultra-clean production, comprising a box cover (1) and a lamp box housing (7), characterized in that: The box cover (1) is arranged on the upper part of the light box shell (7) and seals the light box shell (7); an inner focusing reflector (4) fixedly mounted on the box cover (1) is arranged in the light box shell (7); a plurality of ultraviolet lamps (5) are arranged at equal distances below the inner focusing reflector (4) in the light box shell (7); and a UV-transmitting quartz window (6) is provided at the bottom of the ultraviolet lamp (5) to protect the ultraviolet lamp (5).

2. A low-temperature ultraviolet sterilization lamp box for ultra-clean production according to claim 1, characterized in that: The box cover (1) is provided with two symmetrically arranged through holes, and an air inlet (2) and an air outlet (3) are fixedly installed in the two through holes respectively.

3. The low-temperature ultraviolet sterilization lamp box for ultra-clean production according to claim 2, characterized in that: Dust-proof nets are provided in both the air inlet (2) and the air outlet (3).

4. The low-temperature ultraviolet sterilization lamp box for ultra-clean production according to claim 3 is characterized in that: Two symmetrically arranged handles are fixedly mounted on the box cover (1), and the air inlet (2) and the air outlet (3) are arranged between the two handles.

5. The low-temperature ultraviolet sterilization lamp box for ultra-clean production according to claim 4 is characterized in that: A through hole is provided at the bottom of the light box housing (7), and the ultraviolet-transmitting quartz window (6) is fixedly installed in the through hole provided at the bottom of the light box housing (7).

6. The low-temperature ultraviolet sterilization lamp box for ultra-clean production according to claim 5, characterized in that: The inner light-collecting reflector (4) is a U-shaped structure, and a plurality of ultraviolet lamps (5) are arranged between the inner light-collecting reflector (4).

Images