WO2013083002A1

WO2013083002A1 - Air supply and exhaust system for tunnel-type sterilizing dryer

Info

Publication number: WO2013083002A1
Application number: PCT/CN2012/085148
Authority: WO
Inventors: 蔡大宇; 祝赞明; 周飞跃; 唐岳
Original assignee: 楚天科技股份有限公司
Priority date: 2011-12-08
Filing date: 2012-11-23
Publication date: 2013-06-13
Also published as: DE112012004628T5; DE112012004628B4; CN102490938B; CN102490938A

Abstract

An air supply and exhaust system for a tunnel-type sterilizing dryer, comprising an indoor oven assembly (1), a quantitative air supply assembly (2) and a quantitative air exhaust assembly (3) communicating with the oven assembly (1); the air inlet of the quantitative air supply assembly (2) is disposed outdoors. The system improves the stability and controllability of indoor pressure difference and laminar flow effect, is safe and reliable to use, and avoids backflow contamination, thus improving operation environment and reducing production cost.

Description

Air supply and exhaust system for tunnel sterilizer

[Technical Field]

The invention relates to the field of food and pharmaceutical packaging machinery, in particular to a ventilation and exhaust system of a tunnel type sterilization dryer. 【Background technique】

At present, sterilization dryers are commonly used in food, pharmaceutical and other industries at home and abroad. The fresh air required for the preheating section and the cooling section of the existing sterilization dryer is generally collected from the chamber where the dryer is located. However, the large amount of air collected in the preheating section and the cooling section affects the indoor pressure difference and laminar flow effect, and increases the indoor air conditioner. The burden of the system, as the temperature of the room changes, the cooling effect of the cooling section will also be affected. In addition, the dehumidification and exhaust of the preheating section of the existing sterilization dryer and the cooling and exhausting of the cooling section generally lack the anti-backflow protection, so that the outdoor unclean air is easily poured into the oven tunnel, which has potential risks.

[Summary of the Invention]

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a stability and controllability for improving the pressure difference and laminar flow effect in the room, avoiding backflow pollution, improving the working environment, reducing the production cost, and using Safe and reliable air supply and exhaust system for tunnel sterilizer.

In order to solve the above technical problems, the present invention adopts the following technical solutions:

An air supply and exhaust system for a tunnel type sterilization dryer, comprising an oven assembly disposed indoors, further comprising a quantitative air supply assembly and a quantitative air exhaust unit in communication with the oven assembly, the quantitative air supply assembly The air inlet is located outdoors.

As a further improvement of the invention:

The quantitative air supply assembly includes an air intake air conditioning unit disposed outdoors, and an air inlet tube connecting the air inlet air conditioning unit and the oven assembly, and the air inlet is disposed on the air intake air conditioning unit.

The air inlet pipe is provided with two or more air blowing ports.

An anti-backflow component is disposed in the quantitative exhaust assembly.

The anti-backflow component is a medium efficiency filter or a high efficiency filter.

The quantitative exhaust assembly includes a ventilating box disposed outdoors and an exhaust duct connecting the venting box and the oven assembly. The exhaust duct is provided with two or more air inlets communicating with the oven assembly.

The medium efficiency filter or the high efficiency filter is disposed in the air exhaust box.

A fan is arranged in the air exhaust box.

The advantages of the present invention over the prior art are:

1. The air supply and exhaust system of the tunnel sterilizer of the present invention, by providing a quantitative air supply component and a quantitative air exhausting component connected to the oven component, the quantitative air supply component can be stably sent to the preheating section and the cooling section. Wind and adjustable air supply, quantitative row The wind component can exhaust the drying and sterilizing section and the cooling section and can adjust the exhaust air volume, and the air inlet of the quantitative air supply component is set outdoors, so that the indoor pressure difference is stabilized and the laminar flow effect is easy to be obtained in the production process. Control, thus ensuring the stability and controllability of the pressure difference and laminar flow effect in the tunnel of the oven assembly, in line with the requirements of the new GMP.

2. The air-intake air-conditioning component of the quantitative air-discharging component of the invention is disposed outside, further reducing the interference to the indoor environment, and is more advantageous for maintaining the pressure difference and laminar flow stability in the room.

3. The anti-backflow component is provided in the quantitative exhaust component of the invention, which can prevent the outdoor unclean air from being poured into the oven during shutdown, and avoids the risk of contamination of the working environment inside the oven, and meets the requirements of the new GMP.

4. The quantitative exhausting assembly of the present invention is provided with a fan, which can function as a pumping air, which reduces the use of the exhaust fan in the cooling section, and has an excellent effect on maintaining indoor pressure difference stability and reducing indoor noise, even The original exhaust fan of the cooling section can also be eliminated, which further reduces the noise in the indoor working environment and helps protect the health of the operator.

[Description of the Drawings]

FIG. 1 is a schematic diagram of a front view of an application embodiment of the present invention.

2 is a schematic diagram of a left side structure of an application embodiment of the present invention.

illustration:

1. Oven assembly; 11. First air inlet; 12. Second air inlet; 13. First air outlet; 14. Second air outlet;

2, quantitative air supply components; 21, air conditioning components; 22, air inlet pipe; 23, preheating section air inlet pipe; 24, cooling section air inlet pipe;

3, quantitative exhaust components; 31, exhaust box; 32, exhaust duct; 33, dry sterilization section exhaust duct; 34, cooling section exhaust duct;

4, anti-backflow components; 5, partitions.

【detailed description】

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

1 and 2 illustrate an embodiment of an air supply and exhaust system of a tunnel type sterilization dryer of the present invention, the air supply and exhaust system including an oven assembly 1 disposed indoors, and connected to the oven assembly 1 The quantitative air supply unit 2 and the quantitative air supply unit 3, the quantitative air supply unit 2 can be used for the air supply of the oven unit 1 and can adjust the air supply volume, and the air supply unit 3 can supply air according to actual needs. Exhaust air for the oven assembly 1 and adjust the exhaust air volume, and the air inlet of the quantitative air supply assembly 2 is set outdoors. The oven assembly 1 is a prior art, which is provided with a tunnel and is divided into successively connected in the tunnel direction. In the hot section A, the dry sterilization section B and the cooling section C, in operation, the container bottles are conveyed in the tunnel through the preheating section A, the drying sterilization section B and the cooling section. . The preheating section A preheats the container bottle, and the laminar flow fan of the preheating section A sucks in air through the first air inlet 11 provided on the preheating laminar flow box, and the air is filtered by the high efficiency filter and flows into the tunnel. The container bottle is subjected to laminar flow protection of the container bottle; the drying and sterilizing section B is used for drying and sterilizing the container bottle, and when the container bottle enters the tunnel of the dry sterilization section B, a large amount of hot and humid air is generated, and the hot and humid air is passed through the box body. The first exhaust port 13 is discharged; the cooling section C cools the container bottle, and the laminar flow fan of the cooling section C sucks in air through the second air inlet 12 provided on the cooling layer flow box. After being filtered by the high-efficiency filter, the air flows to the container bottle in the tunnel, and the container bottle is cooled and laminarized, so that the container bottle is cooled to room temperature under the protection of the clean laminar flow, so as to be filled in the next process, after heat exchange. The air is discharged outside the machine through a second exhaust vent 14 provided on the cooling layer flow box. The quantitative air supply unit 2 of the present invention is connected to the first air inlet 11 and the second air inlet 12 for air supply, and the quantitative air exhaust unit 3 is connected to the first air outlet 13 and the second air outlet 14 for discharging. gas. The air inlet of the quantitative air supply unit 2 is set outdoors and the air is collected from the outdoor, so that the pressure difference and the laminar flow effect in the room are easily and controllable during the production process, thereby ensuring the tunnel internal pressure of the oven assembly 1. The stability and controllability of the differential and laminar flow effects meet the requirements of the new GMP; the air supply unit 2 can also reduce the burden on the indoor air conditioning system and extend the service life of the high efficiency filter.

In this embodiment, the quantitative air supply assembly 2 includes an intake air conditioning unit 21 disposed outside the room, and an air inlet and air conditioning unit.

10 21 and the air inlet pipe 22 of the oven assembly 1, the air inlet and air conditioning unit 21 is a prior art, the air inlet and air conditioning unit 21 is installed outdoors, and the air inlet is also installed outdoors and is collected from the outdoor, further reducing the indoor environment. The interference is more favorable for maintaining the pressure difference and laminar flow stability in the room. The inlet duct 22 includes a preheating section inlet duct 23 and a cooling section inlet duct 24, and the preheating section inlet duct 23 and the cooling section inlet duct 24 respectively have an air supply port. The preheating section inlet duct 23 passes through the partition plate 5 and has its air supply port connected to the first air inlet port 11, and the cooling section inlet duct 24 passes through the partition plate 5 and connects the air supply port to the second air inlet port 12. work

15 When the outdoor air is dehumidified, thermostatically and cleaned, it enters the air inlet duct 22, and the preheating laminar flow fan draws in air from the air inlet duct 22 through the preheating section air inlet duct 23 and the first air inlet port 11, and is cooled. The laminar flow fan draws in air from the inlet duct 22 through the cooling section inlet duct 24 and the second inlet duct 12 to realize laminar flow protection of the preheating section A tunnel inner container and laminar flow protection of the cooling section C tunnel inner container. In other embodiments, more than three air supply openings may be provided on the air inlet duct 22 as needed.

In the present embodiment, the quantitative exhaust unit 3 includes a ventilating box 31 disposed outside and an air venting box 31 and an oven assembly.

An exhaust duct 32, the exhaust duct 32 includes a dry sterilization section exhaust duct 33 and a cooling section exhaust duct 34, and the dry sterilization section exhaust duct 33 and the cooling section exhaust duct 34 respectively have an air inlet. The drying and sterilizing section exhaust duct 33 passes through the partition 5 partitioning the indoor and outdoor, and the air inlet is connected to the first exhaust vent 13 , and the cooling section exhaust duct 34 passes through the partition 5 to make the air inlet and the second row The tuyere 14 is connected, and the intermediate effect filter is disposed in the exhaust passage of the exhaust duct 31. When working, dry and sterilized section B discharges damp heat

25 The air passes through the first exhaust vent 13 and the dry sterilizing section exhaust duct 33, and is discharged to the outside through the exhaust duct 31, and the air discharged from the cooling section C passes through the second exhaust vent 14 and the cooling section exhaust duct 34. It is discharged to the outside through the exhaust box 31. The anti-backflow component 4 is also provided with an anti-backflow component 4, which is a medium-efficiency filter or a high-efficiency filter. By providing the anti-backflow component 4, the outdoor unclean air can be prevented from being poured into the oven during shutdown. , to avoid the risk of contamination of the working environment inside the oven, in line with the requirements of the new GMP. In addition, a fan is also arranged in the air exhaust box 31, and the fan can function as a pumping air.

30 and the pumping speed can be controlled. By installing a fan in the exhaust fan box 31, the use of the exhaust fan in the cooling section C is reduced, which has an excellent effect on maintaining the indoor pressure difference and reducing the indoor noise, and is arranged in the exhaust box 31. After the fan, the cooling section can also be cancelled. C original exhaust fan, this is equivalent to the cooling fan C's exhaust fan to outdoor, further reducing the noise in the indoor working environment, which helps protect the operator's health.

The above description is only a preferred embodiment of the present invention, and the scope of protection of the present invention is not limited to the above embodiments, and all the technical solutions under the inventive concept belong to the protection scope of the present invention. It should be understood that those skilled in the art should be able to devise modifications and refinements without departing from the principles of the invention.

Claims

Rights request

1. An air supply and exhaust system for a tunnel type sterilizer, comprising an oven assembly (1) disposed indoors, further comprising: a quantitative air supply assembly in communication with the oven assembly (1) ( 2) and the quantitative exhaust assembly (3), the air inlet of the quantitative air supply assembly (2) is provided outdoors.

2. The air supply and exhaust system of the tunnel sterilizer according to claim 1, wherein: the quantitative air supply unit (2) comprises an air inlet and air conditioning unit (21) and an interface unit installed outdoors. The inlet air duct assembly (21) and the air inlet duct (22) of the oven assembly (1) are disposed on the intake air conditioning unit (21).

The air supply and exhaust system of the tunnel type sterilizer according to claim 2, wherein the air inlet pipe (22) is provided with two or more air supply ports.

The air supply and exhaust system of the tunnel type sterilizer according to claim 1 or 2 or 3, characterized in that: the quantitative air discharge unit (3) is provided with an anti-backflow component (4).

The air supply and exhaust system of the tunnel sterilizer according to claim 4, wherein the anti-backflow component (4) is a medium efficiency filter or a high efficiency filter.

The air supply and exhaust system of the tunnel type sterilizer according to claim 5, wherein: the quantitative air exhausting unit (3) comprises a ventilating box (31) disposed outside the room, and connecting the Exhaust duct (31) and exhaust duct (32) of the oven assembly (1).

7. The air supply and exhaust system of the tunnel sterilizer according to claim 6, wherein: the exhaust duct (32) is provided with two or more air inlets communicating with the oven assembly (1). .

The air supply and exhaust system of the tunnel type sterilizer according to claim 6, wherein the intermediate effect filter or the high efficiency filter is disposed in the air exhaust box (31).

9. The air supply and exhaust system of a tunnel type sterilizer according to claim 6, wherein: the fan (31) is provided with a fan.