CN210374340U

CN210374340U - Gas circulation system

Info

Publication number: CN210374340U
Application number: CN201921169438.7U
Authority: CN
Inventors: 韩毅; 芮元香; 朱引龙
Original assignee: Anhui Weisen Intelligent Identification Material Co Ltd
Current assignee: Anhui Weisen Intelligent Identification Material Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-21
Anticipated expiration: 2029-07-24

Abstract

The utility model belongs to coating product field, especially a gas circulation system now proposes following scheme, and it includes stoving case, air pump, heat preservation shell and heating cabinet, install the air pump on the lateral wall of heat preservation shell, the box that leads wind is all installed to the top and the bottom of heat preservation shell, and the inside of heat preservation shell is fixed with gaseous processing mechanism and heat conduction through the support and discharges fume the pipe, and the air inlet end of stoving case is connected with the heating cabinet through the guide duct, and the air-out end of stoving case has the gaseous processing mechanism to organic solvent gas recovery through going out the tuber pipe connection, goes out to install the air pump on the tuber pipe, and the end of giving vent to anger on the gaseous processing mechanism is connected with the heat conduction and discharges fume the pipe, and the one end of heat conduction and discharge. This device can carry out recovery processing to producing a large amount of organic solvent gases when drying, prevents that gaseous direct inflow air from producing harm to staff or surrounding air, has heat recycle's function simultaneously.

Description

Gas circulation system

Technical Field

The utility model relates to a coating product processing technology field especially relates to a gas circulation system.

Background

When a thermal transfer ribbon is processed, a coated product needs to be dried, a drying unit which is popular in the industry uses a fan to send ambient gas into a heat exchanger for heating, the heated gas is sent into an oven for drying the coated product, a large amount of organic solvent gas can be generated during heating and drying, and the organic solvent gas must be timely and effectively removed to ensure safe operation, so that a gas circulation system is provided.

Disclosure of Invention

The utility model provides a pair of gas circulation system has solved the problem of proposing in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gas circulation system comprises a drying box, an air pump, a heat preservation shell and a heating box, wherein the air pump is installed on the outer side wall of the heat preservation shell, air guide boxes are installed at the top end and the bottom end of the heat preservation shell, a gas treatment mechanism and a heat conduction smoke exhaust pipe are fixed inside the heat preservation shell through a support, the air inlet end of the drying box is connected with the heating box through the air guide pipe, the air outlet end of the drying box is connected with a gas treatment mechanism for recovering organic solvent gas through an air outlet pipe, the air outlet pipe is provided with the air pump, the air outlet end on the gas treatment mechanism is connected with the heat conduction smoke exhaust pipe, one end of the heat conduction smoke exhaust pipe extends to the, the heat preservation shell is internally provided with a plurality of heat exchange air guide pipes, two ends of each heat exchange air guide pipe extend into different air guide boxes respectively, a fan is arranged on the air guide box at the top end, the air guide box at the bottom end is connected with a heating box through the air guide pipe, and heat conducting media are filled in the heat preservation shell.

Preferably, the gas treatment mechanism comprises a shell, a plurality of partition plates are arranged inside the shell, the partition plates divide the shell into a plurality of treatment cavities, heavy oil is filled in each treatment cavity, the air outlet end of the air pump is connected with the treatment cavity at the bottom through an air guide pipe, an air guide pipe is connected between every two adjacent treatment cavities, one end of each air guide pipe is connected with the upper part inside the treatment cavity, and the other end of each air guide pipe is connected with an aeration pipe located inside the heavy oil.

Preferably, a temperature sensor and a plurality of electric heating tubes are installed inside the heating box, a temperature controller is installed at the top end of the heating box, a power supply and the temperature sensor are connected to the input end of the temperature controller, and the electric heating tubes are connected to the output end of the temperature controller.

Preferably, the heat exchange air guide pipe is a metal pipe, a plurality of heat conduction rods are embedded in the side wall of the heat exchange air guide pipe, and one ends of the heat conduction rods extend to the inside of the heat exchange air guide pipe.

Preferably, the heat conduction smoke exhaust pipe is spiral, and a heat exchange air guide pipe is arranged in the heat conduction smoke exhaust pipe.

Preferably, the air guide pipes are all provided with one-way valves.

The utility model has the advantages that:

through the arrangement of the device, a large amount of organic solvent gas generated during drying can be recovered, so that the gas is prevented from directly flowing into the air and causing harm to workers or ambient air;

when the organic solvent gas is recovered, the heat of the recovered gas can be recovered and reused, so that the heat required to be generated again by the heating box is reduced, and the waste of energy is reduced;

this device can carry out recovery processing to producing a large amount of organic solvent gases when drying, prevents that gaseous direct inflow air from producing harm to staff or surrounding air, has heat recycle's function simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a gas circulation system according to the present invention.

Fig. 2 is a schematic structural diagram of a gas processing mechanism of a gas circulation system according to the present invention.

Fig. 3 is a schematic structural view of a heat exchange air guide pipe of a gas circulation system according to the present invention.

Reference numbers in the figures: 1 drying box, 2 air pumps, 3 gas treatment mechanisms, 31 shells, 32 heavy oil, 33 partition plates, 34 aeration pipes, 35 air guide pipes, 4 air guide boxes, 5 fans, 6 heat exchange air guide pipes, 61 heat conduction rods, 7 heat conduction smoke exhaust pipes, 8 heat preservation shells, 9 electric heating pipes and 10 heating boxes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a gas circulation system comprises a drying box 1, an air pump 2, a heat preservation shell 8 and a heating box 10, wherein the air pump 2 is installed on the outer side wall of the heat preservation shell 8, air guide boxes 4 are installed at the top end and the bottom end of the heat preservation shell 8, a gas treatment mechanism 3 and a heat conduction smoke exhaust pipe 7 are fixed inside the heat preservation shell 8 through a support, the air inlet end of the drying box 1 is connected with the heating box 10 through an air guide pipe, the air outlet end of the drying box 1 is connected with the gas treatment mechanism 3 for recovering organic solvent gas through an air outlet pipe, the air outlet pipe is provided with the air pump 2, the air outlet end of the gas treatment mechanism 3 is connected with the heat conduction smoke exhaust pipe 7, one end of the heat conduction smoke exhaust pipe 7 extends to the outside of the heat preservation shell 8, a plurality of heat exchange air guide pipes 6 are installed inside the heat preservation shell 8, and two, the fan 5 is installed on the wind guide box 4 on the top, the heating box 10 is connected to the wind guide box 4 on the bottom through a wind guide pipe, and the heat-conducting medium is filled in the heat-insulating shell 8.

The gas treatment mechanism 3 comprises a shell 31, a plurality of partition plates 33 are mounted inside the shell 31, the partition plates 33 divide the interior of the shell 31 into a plurality of treatment cavities, heavy oil 32 is filled in each treatment cavity, the heavy oil 32 is preferably gasoline, the air outlet end of the air pump 2 is connected with the treatment cavity at the bottom through an air guide pipe, an air guide pipe 35 is connected between every two adjacent treatment cavities, one end of the air guide pipe 35 is connected with the upper portion of the interior of each treatment cavity, the other end of the air guide pipe 35 is connected with an aeration pipe 34 located inside the heavy oil 32, an opening is formed in the side wall of each treatment cavity, a sealing plug is arranged at the opening, and the heavy oil.

A temperature sensor and a plurality of electric heating tubes 9 are installed inside the heating box 10, a TK4N-D4RN universal PID temperature controller is installed at the top end of the heating box 10, a power supply and a PT100 temperature sensor are connected to the input end of the temperature controller, and the electric heating tubes 9 are connected to the output end of the temperature controller.

The heat exchange air guide pipe 6 is a metal pipe, a plurality of heat conduction rods 61 are embedded in the side wall of the heat exchange air guide pipe 6, and one ends of the heat conduction rods 61 extend into the heat exchange air guide pipe 6.

The heat conduction smoke exhaust pipe 7 is spiral, and the heat exchange air guide pipe 6 is arranged in the heat conduction smoke exhaust pipe, so that the flowing time of exhaust gas in the heat preservation shell 8 is prolonged, and the heat exchange effect is improved.

And the air guide pipes 35 are all provided with one-way valves.

The working principle is as follows: when in use, the fan 5 sucks external air, the air enters the heating box 10 through the air guide box 4 and the heat exchange air guide pipe 6 to be heated, the temperature controller controls the electric heating pipe 9 in the heating box 10 to be heated to generate heat, then the heat enters the drying box 1 to dry a coated product, when the coated product is dried, an organic solvent on the product is volatilized to generate organic solvent gas, the organic solvent gas enters the gas treatment mechanism 3 under the action of the air pump 2, is discharged into the heavy oil 32 through the aeration pipe 34 to be fully mixed and absorbed with the heavy oil, and enters a plurality of treatment cavities to be subjected to multiple absorption treatment under the action of the air guide pipe 35, the oily liquid absorbing the solvent can be directly used as fuel, or the solvent and the oily liquid are separated through fractionation, then the gas after absorption enters the heat conduction smoke exhaust pipe 7 to be discharged, and when the hot air with the organic solvent gas enters the gas treatment mechanism 3, pass through the heat casing 31, heat-conducting medium transmits to the heat transfer guide duct in 6, the hot-air of pipe 7 is discharged fume to the heat conduction simultaneously is with the leading-in heat transfer guide duct 6 of heat, the realization is to the heating of the leading-in air of fan 5, make it get into and have certain temperature in the heating cabinet 10, reduce the energy loss of heating cabinet 10 when the heating, this device can carry out recovery processing to producing a large amount of organic solvent gases when drying, prevent during gaseous direct inflow air, produce harm to staff or surrounding air, the function that has heat recovery simultaneously and utilize.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gas circulation system comprises a drying box (1), an air pump (2), a heat preservation shell (8) and a heating box (10), and is characterized in that the air pump (2) is installed on the outer side wall of the heat preservation shell (8), air guide boxes (4) are installed at the top end and the bottom end of the heat preservation shell (8), a gas treatment mechanism (3) and a heat conduction smoke exhaust pipe (7) are fixed inside the heat preservation shell (8) through a support, the air inlet end of the drying box (1) is connected with the heating box (10) through an air guide pipe, the air outlet end of the drying box (1) is connected with a gas treatment mechanism (3) for recovering organic solvent gas through an air outlet pipe, the air outlet pipe is provided with the air pump (2), the air outlet end of the gas treatment mechanism (3) is connected with the heat conduction smoke exhaust pipe (7), one end of the heat conduction smoke exhaust pipe (7) extends to the outside of the heat preservation shell (8), a plurality of heat exchange air guide pipes, the two ends of the heat exchange air guide pipe (6) extend into different air guide boxes (4) respectively, a fan (5) is installed on the air guide box (4) at the top end, the air guide box (4) at the bottom end is connected with a heating box (10) through the air guide pipe, and a heat-conducting medium is filled in the heat preservation shell (8).

2. The gas circulation system of claim 1, wherein the gas treatment mechanism (3) comprises a housing (31), a plurality of partition plates (33) are mounted inside the housing (31), the partition plates (33) divide the interior of the housing (31) into a plurality of treatment cavities, heavy oil (32) is filled in each treatment cavity, the air outlet end of the air pump (2) is connected with the lowest treatment cavity through an air guide pipe, an air guide pipe (35) is connected between every two adjacent treatment cavities, one end of the air guide pipe (35) is connected with the upper portion of the interior of each treatment cavity, and the other end of the air guide pipe (35) is connected with an aeration pipe (34) located inside the heavy oil (32).

3. A gas circulation system according to claim 1, wherein the heating box (10) is internally provided with a temperature sensor and a plurality of electric heating tubes (9), the top end of the heating box (10) is provided with a temperature controller, the input end of the temperature controller is connected with a power supply and the temperature sensor, and the output end of the temperature controller is connected with the electric heating tubes (9).

4. The gas circulation system according to claim 1, wherein the heat exchange air guide pipe (6) is a metal pipe, a plurality of heat conducting rods (61) are embedded in the side wall of the heat exchange air guide pipe (6), and one end of each heat conducting rod (61) extends into the heat exchange air guide pipe (6).

5. A gas circulation system according to claim 1, wherein the heat-conducting smoke exhaust pipe (7) is spiral, and a heat-exchanging air guide pipe (6) is arranged in the heat-conducting smoke exhaust pipe.

6. A gas circulation system according to claim 2, wherein the gas tubes (35) are each fitted with a one-way valve.