CN212604024U

CN212604024U - Green's plastic film color printing machine

Info

Publication number: CN212604024U
Application number: CN202021294781.7U
Authority: CN
Inventors: 申亚僈; 卓如盛; 王喜云; 杨卫华
Original assignee: Henan Ruxiang Packaging Materials Co ltd
Current assignee: Henan Ruxiang Packaging Materials Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-02-26
Anticipated expiration: 2030-07-04

Abstract

The utility model relates to a green's plastic film color printing machine, it includes the printing machine body, is provided with the stoving case on the printing machine body, the top of stoving case is connected with the blast pipe, the blast pipe is connected with the gas treatment case, be provided with exhaust fan and heater strip in the gas treatment case, the heater strip is netted and fills on the carminative route of gas treatment case, the sub-unit connection of stoving case has the air-supply line. The utility model discloses have the higher effect to exhaust-gas treatment efficiency.

Description

Green's plastic film color printing machine

Technical Field

The utility model belongs to the technical field of a plastic film color printing machine's technique and specifically relates to a green's plastic film color printing machine is related to.

Background

Most of printing ink adopted in the printing industry adopts volatile organic solvent, including toluene, xylene, ethanol and ethyl acetate volatile solvent, and is printed after being dissolved, and is dried after being printed, so that the organic solvent is volatilized. The organic solvent volatilized when the printed matter is dried is dispersed in the environment around the equipment along with the drying air flow, which causes great pollution to the production environment and threatens the health of workers.

Patent document No. CN205044293U discloses a drying structure with a recycling device for a printing machine, which includes: drying air box, drying air box is the airtight cavity of compriseing preceding box and back box, be provided with the air-guiding frame on the preceding box, be provided with the wind channel of cavity and back cavity before the intercommunication on the air-guiding frame, be provided with the oven deflector roll that is used for carrying the printed matter on the box of back, the air-guiding frame separates drying air box for preceding cavity and back cavity, and the oven deflector roll is located the back cavity, hot-blast conveyer pipe is connected to preceding cavity, and exhaust column is connected to the back cavity, and exhaust column connects waste gas recovery device.

In the use process of the structure, the treatment speed is lower in the waste gas recovery process after the organic solvent is volatilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a green's plastic film color printing machine, it has the higher effect to exhaust-gas treatment efficiency.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a green's plastic film color printing machine, includes the printing machine body, is provided with the stoving case on the printing machine body, the top of stoving case is connected with the blast pipe, the blast pipe is connected with the gas treatment case, be provided with exhaust fan and heater strip in the gas treatment case, the heater strip is netted and fills on the carminative route of gas treatment case, the sub-unit connection of stoving case has the air-supply line.

Through adopting above-mentioned technical scheme, during the use, the film of printing enters into the stoving incasement, again from the stoving incasement outflow, and be located the upper portion of stoving case to the blast pipe that the stoving case is last to be connected, make the gas that produces after the stoving enter into the blast pipe, simultaneously with the sub-unit connection air-supply line of stoving case, thereby can make the air current guide upwards pass through the blast pipe discharge with the organic matter that the stoving formed, and heat in the position of heater strip, make the organic matter react, the heater strip is netted and fills on the carminative route of gas treatment case, make gas can the rapid reaction, improve the treatment effeciency to waste gas.

The utility model discloses further set up to: the gas treatment box is internally provided with a gas collator which is in a spiral shape, and the gas collator is arranged on the upstream of the exhaust path of the gas treatment box where the heating wires are located.

By adopting the technical scheme, when gas enters the heating wire, the gas flow is subjected to vortex flow by the gas collator, so that the gas is in contact with the heating wire for a longer time, and the waste gas treatment is more environment-friendly.

The utility model discloses further set up to: the gas treatment box is provided with a circulating pipe, one end of the circulating pipe is connected to the air inlet pipe, and the other end of the circulating pipe is connected to the gas treatment box and is positioned at the downstream of the exhaust path of the gas treatment box where the heating wires are positioned.

Through adopting above-mentioned technical scheme, set up the circulating pipe on the gas, can make the gaseous lifting temperature who gets into the stoving incasement in can entering into the air-intake pipe with the gas after handling through the circulating pipe to required energy when can sparingly drying.

The utility model discloses further set up to: the gas treatment box is internally provided with a heat exchange chamber, the heat exchange chamber is communicated with one end of the circulating pipe close to the air inlet pipe, and one end of the air inlet pipe far away from the drying box is communicated with the heat exchange chamber.

By adopting the technical scheme, the exhaust gas in the heat exchange pipe is heated when entering the gas collator, so that the heat absorption of the exhaust gas in the heating wire is reduced, and the energy consumption of the heating wire is reduced.

The utility model discloses further set up to: the air inlet pipe is connected with a first fan, an air outlet of the first fan is connected with the air inlet pipe, and an air inlet of the first fan is communicated with the atmosphere.

Through adopting above-mentioned technical scheme, on being connected into the tuber pipe with fan one, make the fan transport gas in the air intake pipe earlier on to can adjust with the gas heat in the air intake pipe.

The utility model discloses further set up to: a plurality of heat exchange tubes are arranged in the heat exchange chamber, one ends of the heat exchange tubes are communicated with the exhaust pipe, and the other ends of the heat exchange tubes are communicated with the gas collator.

Through adopting above-mentioned technical scheme, be provided with a plurality of heat exchange pipes in the heat exchange chamber, the gas that flows the exhaust in the heat exchange pipe, and the steam after the inflow is handled in changing the exchange chamber to can preheat the exhaust gas earlier in changing the exchange chamber.

The utility model discloses further set up to: and a second fan is arranged on the air inlet pipe, an air inlet of the second fan is communicated with the heat exchange chamber, and an air outlet of the second fan is communicated with the drying box.

Through adopting above-mentioned technical scheme, fan two sets up on the air-supply line, always enters into the gas of stoving incasement through fan two control, and the cooperation fan one can more conveniently carry out temperature regulation with the gas that enters into the stoving incasement simultaneously.

The utility model discloses further set up to: the gas treatment box is internally provided with a gas equalizing chamber which is communicated with the exhaust pipe, and one end of the heat exchange pipe close to the exhaust pipe is communicated with the gas equalizing chamber.

Through adopting above-mentioned technical scheme, set up the gas equalizing chamber in the gas treatment case, it is intraductal that gaseous enters into a plurality of heat exchange from the gas equalizing chamber, makes a plurality of heat exchange tube's heat exchange efficiency higher.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the printed film enters the drying box and then flows out of the drying box, the exhaust pipe connected to the drying box is positioned at the upper part of the drying box, so that the gas generated after drying enters the exhaust pipe, and meanwhile, the lower part of the drying box is connected with the air inlet pipe, so that the air flow can be guided upwards to discharge the organic matters formed by drying through the exhaust pipe, and the organic matters are heated at the position of the heating wire to react, the heating wire is in a net shape and is filled in the exhaust path of the gas treatment box, so that the gas can react quickly, and the treatment efficiency of waste gas is improved;

2. when the gas enters the heating wire, the gas flow is subjected to vortex flow by the gas collator, so that the gas is in contact with the heating wire for a longer time, and the waste gas treatment is more environment-friendly;

3. the exhaust gas entering the gas collator is heated through the heat exchange pipe, so that the heat absorption of the exhaust gas in the heating wire is reduced, and the energy consumption of the heating wire is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the gas processing chamber.

In the figure, 1, a printer body; 2. a drying box; 3. an exhaust pipe; 4. an air inlet pipe; 5. a gas treatment tank; 51. a gas homogenizing chamber; 52. a heat exchange chamber; 6. a gas finisher; 7. heating wires; 8. an exhaust fan; 9. a partition plate; 10. a circulation pipe; 11. a first fan; 12. a second fan; 13. a heat exchange tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a green's plastic film color printing machine, including printing machine body 1, be provided with stoving case 2 on printing machine body 1, be used for the printing film on printing machine body 1, be used for the lower part opening of stoving case 2 with the film after the printing enter into stoving case 2 from the opening of lower part in flow drying case 2 again, make the film after the printing dry in stoving case 2. Be connected with blast pipe 3 at the top of stoving case 2, the sub-unit connection of stoving case 2 has air-supply line 4, and blast pipe 3 is used for the gas escape in the stoving case 2, and air-supply line 4 is used for adding the gas of stoving usefulness to stoving case 2, connects air-supply line 4 in the lower part of stoving case 2, and blast pipe 3 is connected on the upper portion of stoving case 2 to the gas that can make the stoving flows from the lower part of upwards, reduces and flows from the lower part opening part of stoving case 2.

Referring to fig. 2, a gas treatment box 5 is provided at an end of the exhaust pipe 3 away from the drying box 2, the gas treatment box 5 is provided with a gas equalizing chamber 51, a heat exchanging chamber 52, a gas finisher 6, a heating wire 7 and an exhaust fan 8 in sequence along a path of exhaust gas, and the exhaust fan 8 is located in the gas treatment box 5 and exhausts the gas from the gas treatment box 5. Two partition plates 9 are arranged in the gas treatment box 5, the partition plates 9 in the gas treatment box 5 are arranged in parallel by the two partition plates 9, and are used for respectively discharging isolated heat exchange chambers 52 in the gas treatment box 5, so that the exhaust pipe 3 is communicated with a gas equalizing chamber 51, the gas equalizing chamber 51 is connected with a gas collator 6, and gas passing through the gas collator 6 reaches the position of the heating wire 7, is subjected to reaction treatment, and is then discharged by an exhaust fan 8.

Referring to fig. 2, the heating wire 7 is arranged in a net structure and is filled with a length along the exhaust path in the gas treatment box 5, so that the contact time of the heating wire 7 and the gas is longer, the reaction is more sufficient, and the discharge of organic matters is reduced. The gas collator 6 is spiral, the spiral central line of the gas collator 6 is arranged along the exhaust path of the gas treatment box 5, the gas passing through the gas collator 6 is spirally conveyed in a rotary mode, and when the gas reaches the position of the heating wire 7, the gas still keeps a rotary state, so that the staying time of the gas in the heating wire 7 is longer, and the content of organic matters in the exhaust gas is further reduced.

Referring to fig. 2, a circulation pipe 10 is provided outside the gas treatment tank 5, one end of the circulation pipe 10 is connected to the upper portion of the heat exchange chamber 52, the other end is connected to the gas treatment tank 5, and the connection position with the gas treatment tank 5 is between the exhaust fan 8 and the heating wire 7, so that the gas introduced into the heat exchange chamber 52 through the circulation pipe 10 is the treated hot gas. A first fan 11 is connected to the air inlet pipe 4, an air outlet of the first fan 11 is connected to the air inlet pipe 4, an air inlet of the first fan 11 is communicated with the atmosphere, when the first fan 11 is opened, air of the first fan 11 can enter the hot air inlet pipe 4, a second fan 12 is arranged on the air inlet pipe 4, one end of an air inlet of the second fan 12 is communicated with the exchange chamber, and one end of an air outlet of the second fan 12 is communicated with the drying box 2. When the second fan 12 works, hot air flowing in the circulating pipe 10 can enter the heat exchange chamber 52 and enter the drying box 2 through the air inlet pipe 4, and meanwhile, the first fan 11 works to convey outside air into the air inlet pipe 4, so that the hot air entering the air inlet pipe 4 is mixed with the air, and the temperature of the air entering the drying box 2 reaches a proper range. The first fan 11 can be provided with a valve with an adjustable opening degree.

Referring to fig. 2, a plurality of heat exchange tubes 13 are arranged in parallel between two partition plates 9, two ends of each heat exchange tube 13 penetrate through the two partition plates 9 respectively to enable one end of each heat exchange tube 13 to be communicated with the air equalizing chamber 51, and the other end of each heat exchange tube 13 is communicated with the air collator 6, so that hot air entering the heat exchange chamber 52 and exhaust air in the dried exhaust pipe 3 enter for heat exchange when passing through the heat exchange chamber 52 through the heat exchange tubes 13, the temperature of the air entering the heating wire 7 is increased, and the requirement for heat of the heating wire 7 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a green's plastic film color printing machine, includes printing machine body (1), is provided with stoving case (2), its characterized in that on printing machine body (1): the top of stoving case (2) is connected with blast pipe (3), blast pipe (3) are connected with gaseous processing case (5), be provided with exhaust fan (8) and heater strip (7) in gaseous processing case (5), heater strip (7) are netted and fill on gaseous processing case (5) carminative route, the sub-unit connection of stoving case (2) has air-supply line (4).

2. The green environmental-friendly plastic film color printer according to claim 1, characterized in that: the gas treatment box is characterized in that a gas collator (6) is arranged in the gas treatment box (5), the gas collator (6) is spiral, and the gas collator (6) is installed on the upstream of an exhaust path of the gas treatment box (5) where the heating wires (7) are located.

3. The green environmental-friendly plastic film color printer as claimed in claim 1 or 2, wherein: the gas treatment box (5) is provided with a circulating pipe (10), one end of the circulating pipe (10) is connected to the air inlet pipe (4), and the other end of the circulating pipe is connected to the gas treatment box (5) and is positioned at the downstream of an exhaust path of the gas treatment box (5) where the heating wires (7) are positioned.

4. The green environmental protection plastic film color printer according to claim 3, wherein: a heat exchange chamber (52) is arranged in the gas treatment box (5), the heat exchange chamber (52) is communicated with one end, close to the air inlet pipe (4), of the circulating pipe (10), and one end, far away from the drying box (2), of the air inlet pipe (4) is communicated with the heat exchange chamber (52).

5. The green environmental protection plastic film color printer according to claim 4, wherein: the air inlet pipe (4) is connected with a first fan (11), an air outlet of the first fan (11) is connected with the air inlet pipe (4), and an air inlet of the first fan (11) is communicated with the atmosphere.

6. The green environmental protection plastic film color printer according to claim 4, wherein: a plurality of heat exchange tubes (13) are arranged in the heat exchange chamber (52), one ends of the heat exchange tubes (13) are communicated with the exhaust pipe (3), and the other ends of the heat exchange tubes are communicated with the gas collator (6).

7. The green environmental protection plastic film color printer according to claim 5, wherein: the air inlet pipe (4) is provided with a second fan (12), the air inlet of the second fan (12) is communicated with the heat exchange chamber (52), and the air outlet of the second fan (12) is communicated with the drying box (2).

8. The green environmental protection plastic film color printer according to claim 6, wherein: the gas treatment box (5) is internally provided with a gas equalizing chamber (51), the gas equalizing chamber (51) is communicated with the exhaust pipe (3), and one end of the heat exchange pipe (13) close to the exhaust pipe (3) is communicated with the gas equalizing chamber (51).