CN210070387U

CN210070387U - Vacuum drying oven filter equipment

Info

Publication number: CN210070387U
Application number: CN201922090387.5U
Authority: CN
Inventors: 魏庚辉; 雷东
Original assignee: Chengdu Doual Pharmaceutical Technology Co Ltd
Current assignee: Chengdu Doual Pharmaceutical Technology Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-02-14
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a vacuum drying box filtering device, which comprises a filtering cavity, wherein the left end and the right end of the filtering cavity are respectively used as an equipment end and an operation end, the operation end is provided with a vacuumizing joint and a steam joint, the equipment end is provided with at least four joints, two joints are used as input joints, the other two joints are used as output joints, and the filtering cavity is provided with an air outlet and a liquid outlet; electromagnetic valves are arranged in the vacuumizing joint, the steam joint, the input joint, the output joint, the exhaust port and the liquid outlet, so that the filter cavity forms a sealed cavity; the air inlet end of the vacuumizing connector and the output end of the output connector are respectively sleeved with a drying cover, and drying agents are filled in the drying covers; the filter chamber inner wall all is provided with a filter mantle at evacuation joint and steam junction and input joint terminal surface, and the filter mantle intussuseption is filled with the filter core, and this scheme possesses solid-state, liquid, three kinds of filtering capability of gaseous state to can accomplish the filtration to a plurality of interfaces of vacuum drying oven through a filter equipment.

Description

Vacuum drying oven filter equipment

Technical Field

The utility model relates to a vacuum drying oven field, concretely relates to vacuum drying oven filter equipment.

Background

The shell of the electric heating vacuum drying box is formed by stamping, folding and welding a steel plate, the surface of the shell is subjected to high-strength electrostatic spraying and coating treatment, and a paint film is smooth and firm. The working chamber is formed by folding and welding a carbon steel plate or a stainless steel plate, and heat insulation cotton is filled between the working chamber and the shell. The interior of the working chamber is provided with a test article shelf for placing various test articles, and the periphery of the outer wall of the working chamber is provided with a mica heater. The door seal strip is sealed by a silicon rubber strip, and a sight glass for observation is arranged on the door of the box. The vacuum generator is a novel, efficient, clean, economic and small vacuum component which utilizes a positive pressure air source to generate negative pressure, so that the negative pressure can be obtained easily and conveniently in a place with compressed air or in a place needing the positive and negative pressure in a pneumatic system. In the applications, the common characteristics are that the required air pumping amount is small, the requirement on the vacuum degree is not high, and the intermittent operation is realized.

The prior art has the following disadvantages: because the operations such as vacuumizing, cleaning and the like are needed, the conventional vacuum drying box generally comprises a steam inlet, a vacuumizing port, a cleaning drain outlet and a condensate outlet, and because the interior of the box is in a vacuum state during drying, a negative pressure difference is formed between the box and the outside, air or liquid is extremely easy to flow backwards, and the box is easy to pollute when opened and filled with steam, so that the quality of dried products is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a vacuum drying oven filter equipment, make it possess three kinds of filtering capability of solid-state, liquid, gaseous state to can accomplish the filtration to a plurality of interfaces of vacuum drying oven through a filter equipment.

The purpose of the utility model is realized through the following technical scheme:

a vacuum drying box filtering device comprises a filtering cavity, wherein the left end and the right end of the filtering cavity are respectively used as an equipment end and an operation end, the operation end is provided with a vacuumizing joint and a steam joint, the equipment end is provided with at least four joints, two joints are used as input joints, the other two joints are used as output joints, and the top of the filtering cavity is provided with a liquid discharge port;

electromagnetic valves are arranged in the vacuumizing joint, the steam joint, the input joint, the output joint, the exhaust port and the liquid outlet, so that the filter cavity forms a sealed cavity;

the air inlet end of the vacuumizing connector and the output end of the output connector are respectively sleeved with a drying cover, and drying agents are filled in the drying covers;

the inner wall of the filter cavity is provided with a filter cover on the end faces of the vacuumizing joint, the steam joint and the input joint, and the filter cover is filled with a filter element;

the filter also comprises a control switch of the electromagnetic valve, and the control switch is arranged on the outer wall of the filter cavity or adopts a wireless transmission remote control board.

The traditional filtering mode is that each interface of the vacuum drying box is provided with a filtering structure, so that the equipment structure is complex and high in cost, and the actual application is not facilitated at all. This scheme is in order to solve this problem, connects all joints of vacuum drying cabinet at the terminal surface of a filter chamber, and the operation pipeline that is used for the joint of evacuation and steam filling then connects at another terminal surface of filter chamber, then inside one structure of filter chamber has the environment dry, filterable to guarantee that the gas that gets into in the vacuum drying cabinet all can dry and filter, can also block liquid and solid entering simultaneously, reach the effect of purifying and filtering.

Furthermore, the output joint is positioned below the input joint, and the vacuumizing joint is positioned above the steam joint, so that the design has the advantage that liquid flows into the input joint or flows backwards when the liquid level is too high and is vacuumized when liquid is prevented from being discharged.

Furthermore, the butt joint ends of the vacuumizing joint, the steam joint, the input joint and the output joint are all designed into a section of threaded joint, and the threaded joint is designed into a threaded structure which can not complete butt joint as far as possible and can also complete sealing simultaneously.

Furthermore, the drying cover is connected with the air inlet end of the vacuumizing connector and the output end of the output connector in a threaded connection mode. The design is to facilitate the removal of the drying hood for replacement of the drying agent.

Furthermore, the drying cover is fixed on the inner wall of the filtering cavity through a bolt, and a sealing gasket is arranged between the drying cover and the inner wall of the filtering cavity.

Furthermore, the bottom of the filter cavity is designed to be conical, so that a slope for collecting liquid is formed around the liquid outlet.

The utility model has the advantages that: this scheme uses a filtration to accomplish the dry filtration to all interfaces of vacuum drying oven to guaranteed that the steam that gets into in the drying oven or can both guarantee dry cleanness because of the air that the negative pressure got into, can also avoid solid and liquid to get into in the drying oven simultaneously, guaranteed drying quality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the equipment side of the present invention;

fig. 3 is a schematic view of the operation end of the present invention.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in fig. 1, a vacuum drying oven filtering device comprises a filtering cavity 1, the left end and the right end of the filtering cavity 1 are respectively used as an equipment end and an operation end, the operation end is provided with a vacuum pumping joint 2 and a steam joint 3, the equipment end is provided with at least four joints, two joints are used as input joints 4, and the other two joints are used as output joints 5, and the mechanism can be referred to fig. 2 and 3. In this embodiment, the filter chamber 1 is designed in a cubic shape, but may have other shapes, and the design requirement is that two ends of a convection must be formed as an equipment end and an operation end, wherein the equipment end is the end connected with the vacuum drying oven, and the operation end is the end connected with the vacuum pump and the high-temperature steam input. Electromagnetic valves are arranged in the vacuumizing connector 2, the steam connector 3, the input connector 4, the output connector 5, the exhaust port 6 and the liquid discharge port 7, so that the filter cavity 1 forms a closed cavity, a drying cover 9 is sleeved at the air inlet end of the vacuumizing connector 2 and the output end of the output connector 5, and a drying agent is arranged in the drying cover 9; the inner wall of the filter cavity 1 is provided with a filter cover 8 on the end faces of the vacuumizing joint 2, the steam joint 3 and the input joint 4, and the filter cover 8 is filled with a filter element; still include the control switch of a solenoid valve, control switch establishes at filter chamber 1 outer wall or adopts wireless transmission's remote control board, the on-off state through controlling corresponding solenoid valve can realize different functions, because all joints all set up the lateral wall at filter chamber 1, thereby make liquid and solid matter only can temporarily store in filter chamber 1, in order to accomplish the discharge of these transfer materials, filter chamber 1 top is provided with 6 bottoms of gas vents and is provided with leakage fluid dram 7, wherein leakage fluid dram 7 is used for getting rid of liquid and solid, the gas vent is used for exhaust gas, gas vent 6 and leakage fluid dram 7 also embed simultaneously has the solenoid valve. In order to ensure the effect of filtering isolation, the output connector 5 is positioned below the input connector 4, and the vacuum-pumping connector 2 is positioned above the steam connector 3, and the structure can be referred to as figure 1. As a preferred embodiment, the butt joint ends of the vacuumizing connector 2, the steam connector 3, the input connector 4 and the output connector 5 are designed into a section of threaded connector, the drying cover 9 is connected with the air inlet end of the vacuumizing connector 2 and the output end of the output connector 5 in a threaded connection mode, the drying cover 9 is fixed on the inner wall of the filter cavity 1 through bolts, and a sealing gasket is arranged between the drying cover 9 and the inner wall of the filter cavity 1. Finally, the bottom of the filter chamber 1 is designed to be conical, so that a slope 10 for collecting liquid is formed around the liquid discharge port 7. The conical shape in this embodiment means that a funnel-like conical shape is formed at the bottom of the filter chamber 1, and the structure of the whole filter chamber 1 is not emphasized, as shown in fig. 1, the whole filter chamber 1 is a cube, and several inclined partition plates are arranged at the bottom for material gathering, although the bottom of the filter chamber 1 can be directly designed to be conical.

The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as described herein by the teachings or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A vacuum drying box filtering device is characterized by comprising a filtering cavity (1), wherein the left end and the right end of the filtering cavity (1) are respectively used as an equipment end and an operation end, the operation end is provided with a vacuumizing joint (2) and a steam joint (3), the equipment end is provided with at least four joints, two joints are used as input joints (4), the other two joints are used as output joints (5), the top of the filtering cavity (1) is provided with an exhaust port (6), and the bottom of the filtering cavity (1) is provided with a liquid discharge port (7);

electromagnetic valves are arranged in the vacuumizing joint (2), the steam joint (3), the input joint (4), the output joint (5), the exhaust port (6) and the liquid outlet (7), so that the filter cavity (1) forms a sealed cavity;

the air inlet end of the vacuumizing connector (2) and the output end of the output connector (5) are respectively sleeved with a drying cover (9), and drying agents are filled in the drying covers (9);

the inner wall of the filter cavity (1) is provided with a filter cover (8) on the end faces of the vacuumizing joint (2), the steam joint (3) and the input joint (4), and the filter cover (8) is filled with a filter element;

the filter also comprises a control switch of the electromagnetic valve, and the control switch is arranged on the outer wall of the filter cavity (1) or adopts a wireless transmission remote control board.

2. A vacuum drying box filter device according to claim 1, characterised in that the output connection (5) is located below the input connection (4) and the evacuation connection (2) is located above the steam connection (3).

3. A vacuum drying oven filter device according to claim 2, characterized in that the butt ends of the vacuum connection (2), the steam connection (3), the inlet connection (4) and the outlet connection (5) are designed as a section of a screw joint.

4. A vacuum drying box filter device according to claim 3, characterised in that the drying hood (9) is screwed to the inlet end of the evacuation connection (2) and to the outlet end of the outlet connection (5).

5. A vacuum drying oven filter unit according to claim 4, characterized in that the drying hood (9) is fixed to the inner wall of the filter chamber (1) by bolts, and a sealing gasket is arranged between the drying hood (9) and the inner wall of the filter chamber (1).

6. A vacuum drying oven filter unit according to claim 5, characterized in that the bottom of the filter chamber (1) is designed to be conical so that the liquid outlet (7) is surrounded by a ramp (10) for collecting liquid.