CN213020879U - Hot gas circulation heating device of setting machine oven - Google Patents

Abstract

The utility model discloses a hot gas circulation heating device of a setting machine oven, which comprises an oven, wherein, the left end of the oven is a feed inlet, the right end is a discharge outlet, the upper end of the oven is provided with a hot gas circulation heating device, the hot gas circulation heating device is provided with a gas box and a fixing frame, the gas box is provided with an air heater, a heat exchanger, a gas inlet pipe, a gas return pipe and an exhaust pipe, the heat exchanger comprises a shell, a heat exchange core pipe, a waste gas outlet, a waste gas inlet, an air outlet and an air inlet, the heat exchange core pipe is formed with a nanometer micro-pore, waste gas can preheat fresh air entering the heat exchanger by utilizing the self heat through the heat exchanger, the utilization rate of energy is effectively improved, the power consumption of the air heater is reduced, meanwhile, the fresh air exchanges water molecules with the waste gas in the, the problem of dyeing color difference caused by unstable air humidity is effectively avoided.

Description

Hot gas circulation heating device of setting machine oven

Technical Field

The utility model belongs to the technical field of the environmental protection energy technique and specifically relates to a steam circulation heating device of forming machine oven is related to.

Background

As a socialist country with continuous development, the total value of domestic production in China is close to 100 trillion yuan in 2019, the GDP per capita is expected to exceed ten thousand dollars, and as a textile production large country, the textile yield in China accounts for more than half of the world, and besides textiles common in daily life, the demand and yield of silk are greatly improved in recent years.

Before the textile is formed to obtain a stable structure, the stress and strain accumulated in the textile must be eliminated by the physical or chemical treatment of the fiber fabric under the tension in a setting machine oven so that the textile can obtain a required form in state, size or structure and be stable, meanwhile, the product is dyed according to the requirements of different people, and finally, the product is heated and dried and formed, so that the hot gas for heat treatment of the textile can reach the required temperature in the setting machine oven, an air heater is usually arranged to heat the air, then the air is directly fed into the setting machine oven to dry and form the textile, and because the atmospheric humidity in the atmospheric environment is unstable, the relative instability of the gas humidity for directly drying the textile exists, the color difference of the dyed product has a certain degree of influence, and simultaneously, a large amount of waste gas is discharged in the processing process of the setting machine oven, the waste gas contains harmful components such as smoke and dust, oil stain, dyestuff auxiliary agent, the producer produces the pollution to atmospheric environment for avoiding direct exhaust waste gas, can be with waste gas discharge the atmosphere after the filter filtration again, this can effectively reduce environmental pollution, but still contain a large amount of waste heat in the waste gas simultaneously, the direct steam discharge after will filtering can make the surrounding environment rise gradually, the production environment risees and can exert an influence to the staff, the heat scatters and disappears and is accompanied with the waste of the energy simultaneously, consequently, handle the air and the waste gas of forming machine oven and have positive meaning to the sustainable development in the textile industry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A hot gas circulation heating device of a setting machine drying oven comprises a drying oven, wherein the left end of the drying oven is a feeding hole, the right end of the drying oven is a discharging hole, a hot gas circulation heating device is arranged at the upper end of the drying oven and provided with a sealed gas box and a fixing frame, the gas box is arranged at the upper end of the drying oven through the fixing frame, an air heater is arranged at the left side of the inside of the gas box, a heat exchanger is arranged at the right side of the inside of the gas box, an air chamber is formed at the middle part of the inside of the gas box, the heat exchanger comprises a heat exchanger shell, a heat exchange core pipe, a waste gas outlet at the upper end of the shell, a waste gas inlet at the lower end of the shell, an air outlet at the left side of the shell and an air inlet, the heat exchange core pipe upper end communicates with waste gas outlet, lower extreme and waste gas entry intercommunication, gas tank right-hand member intercommunication has the intake pipe, the air inlet and the intake pipe intercommunication of heat exchanger, the gas tank left end is equipped with the gas-supply pipe, the gas-supply pipe right-hand member penetrates gas tank and air heater gas outlet intercommunication, the gas-supply pipe left end recurvation and oven feed inlet intercommunication, the gas tank lower extreme is located heat exchanger below intercommunication and has the muffler, the muffler left end communicates with the waste gas entry of heat exchanger, the muffler right-hand member recurvation and oven discharge gate intercommunication, the gas tank upper end is located heat exchanger top intercommunication and has the blast pipe, the blast pipe communicates with the waste gas outlet of heat exchanger.

Compared with the prior art, the beneficial effects of the utility model are that: make waste gas can utilize the heat of self to preheat the fresh air who gets into the heat exchanger through the heat exchanger, effectively improve the utilization ratio of the energy, reduce the air heater consumption, fresh air passes through nanometer micropore and the interior waste gas exchange hydrone of return air pipe simultaneously, and return air pipe and oven intercommunication make the humidity of fresh air and the interior gas of oven unanimous, effectively avoid because of the dyeing colour difference problem that air humidity is unstable leads to.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

Fig. 2 is a schematic structural diagram of the heat exchanger of the present invention.

Fig. 3 is an enlarged view of a portion of a structure shown in fig. 2.

Fig. 4 is a schematic structural diagram of the middle exhaust gas treatment device of the present invention.

In the figure: the device comprises an oven-1, a fixed frame-2, an air box-3, an air conveying pipe-4, an air return pipe-5, an air heater-6, a shell-7, a filter screen-8, an air inlet pipe-9, an air outlet pipe-10, an air chamber-11, filter cotton-12, a UV lamp tube-13, a UV photolysis catalytic plate-14, a centrifugal fan-15, an air inlet-16, an air outlet-17, a heat exchange core pipe-71, an air inlet-72, an exhaust gas inlet-73, an air outlet-74, an exhaust gas outlet-75 and a nanometer micropore-76.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a hot air circulation heating device for a baking oven of a setting machine includes a baking oven 1, and is characterized in that: the left end of the oven 1 is a feeding hole, the right end of the oven 1 is a discharging hole, the upper end of the oven 1 is provided with a hot gas circulation heating device, the hot gas circulation heating device is provided with a closed gas box 3 and a fixing frame 2, the gas box 3 is arranged at the upper end of the oven 1 through the fixing frame 2, an air heater 6 is arranged at the left side in the gas box 3, a heat exchanger is arranged at the right side in the gas box 3, a gas chamber 11 is formed in the middle of the gas box 3, the heat exchanger comprises a heat exchanger shell 7, a heat exchange core pipe 71 arranged in the shell 7, a waste gas outlet 75 at the upper end of the shell 7, a waste gas inlet 73 at the lower end of the shell 7, an air outlet 74 at the left side of the shell 7 and an air inlet 72 at the right side of the shell 7, the heat exchange, the upper end of the heat exchange core pipe 71 is communicated with a waste gas outlet 75, the lower end of the heat exchange core pipe is communicated with a waste gas inlet 73, the right end of the air box 3 is communicated with an air inlet pipe 9, an air inlet 72 of the heat exchanger is communicated with the air inlet pipe 9, the left end of the air box 3 is provided with an air pipe 4, the right end of the air pipe 4 penetrates into the air box 3 to be communicated with an air delivery port of an air heater 6, the left end of the air pipe 4 bends downwards to be communicated with a feed inlet of the oven 1, the lower end of the air box 3 is positioned below the heat exchanger and is communicated with an air return pipe 5, the left end of the air return pipe 5 is communicated with the waste gas inlet 73 of the heat exchanger, the right end of the air return pipe 5 bends downwards to be communicated with a discharge port of the oven 1, the upper end of the air box 3 is positioned above, the utilization rate of the energy is effectively improved, the power consumption of the air heater 6 is reduced, meanwhile, fresh air exchanges water molecules with waste gas in the air return pipe 5 through the nanometer micro-air holes 76, the air return pipe 5 is communicated with the oven 1, the humidity of the fresh air is consistent with that of the gas in the oven 1, and the problem of dyeing color difference caused by unstable air humidity is effectively avoided.

Further, install filter screen 8 in intake pipe 9, install exhaust-gas treatment ware in the blast pipe 10, exhaust-gas treatment ware is including installing in the filter pulp 12 of blast pipe 10 lower part, installs in UV photolysis catalysis board 14, UV fluorescent tube 13 at the middle part, installs in the centrifugal fan 15 on upper portion, UV photolysis catalysis board 14 is inside transversely arranged in blast pipe 10, the air vent has been worn on the UV photolysis catalysis board 14, connect installation UV fluorescent tube 13 between UV photolysis catalysis board 14, centrifugal fan 15's air inlet 16 corresponds with the lower port of blast pipe 10, and gas outlet 17 corresponds with blast pipe 10 upper end, and the ultraviolet irradiation that UV fluorescent tube 13 sent is on TiO2 of UV photolysis catalysis board 14, and O2 and H2O on UV photolysis catalysis board 14 surface turn into strong oxidizing substance such as O3 and OH respectively, and these strong oxidizing substance degrade the pollutant in the waste gas into low molecule innoxious substance, such as CO2 and H2O, the centrifugal fan 15 exhausts the gas to the atmosphere.

Furthermore, the density of the filter cotton 12 is gradually increased from the lower end to the upper end, and the density of the filter cotton 12 is gradually increased to ensure that the initial resistance is low and the dust capacity is high, so that the filter cotton can filter particle dust and suspended matters with the particle size of more than or equal to 5 microns in waste gas, and prevent the particulate matters from being discharged into the atmosphere.

Preferably, the blast pipe 10 is equipped with the mounting groove with UV photodissociation catalysis board 14, the 12 junctions of filter pulp, UV photodissociation catalysis board 14, the outer border of filter pulp 12 install with mounting groove complex mounting bracket, still be equipped with on the blast pipe 10 with UV photodissociation catalysis board 14, the 12 complex access door of filter pulp, UV photodissociation catalysis board 14, UV fluorescent tube 13, filter pulp 12 pass through the access door and install in the mounting groove, can maintain UV photodissociation catalysis board 14, filter pulp 12 through the access door.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. The utility model provides a steam cycle heating device of forming machine oven, includes the oven, its characterized in that: the left end of the oven is a feeding hole, the right end of the oven is a discharging hole, a hot gas circulation heating device is arranged at the upper end of the oven, the hot gas circulation heating device is provided with a closed gas box and a fixing frame, the gas box is arranged at the upper end of the oven through the fixing frame, an air heater is arranged at the left side in the gas box, a heat exchanger is arranged at the right side in the gas box, an air chamber is formed in the middle of the gas box, the heat exchanger comprises a heat exchanger shell, a heat exchange core pipe arranged in the shell, a waste gas outlet at the upper end of the shell, a waste gas inlet at the lower end of the shell, an air outlet at the left side of the shell and an air inlet at the right side of the shell, the heat exchange core pipe is a wound pipe type heat exchange core, the air box right-hand member intercommunication has the intake pipe, the air inlet and the intake pipe intercommunication of heat exchanger, the air box left end is equipped with the gas-supply pipe, the gas-supply pipe right-hand member penetrates gas box and air heater gas outlet intercommunication, the gas-supply pipe left end turn down and oven feed inlet intercommunication, the air box lower extreme is located the heat exchanger below intercommunication and has the muffler, the muffler left end communicates with the waste gas entry of heat exchanger, the muffler right-hand member turn down and oven discharge gate intercommunication, the air box upper end is located the heat exchanger top intercommunication and has the blast pipe, the blast pipe communicates with the waste gas outlet of heat exchanger.

2. The hot air circulation heating device of the oven of the setting machine as claimed in claim 1, characterized in that: install the filter screen in the intake pipe, install exhaust gas treatment ware in the blast pipe, exhaust gas treatment ware is including installing in the filter pulp of blast pipe lower part, installs in UV photodissociation catalysis board, UV fluorescent tube at the middle part, installs in the centrifugal fan on upper portion, UV photodissociation catalysis board is horizontal inside the blast pipe, the air vent has been worn on the UV photodissociation catalysis board, UV photodissociation catalysis inter-plate connection installation UV fluorescent tube, the port corresponds under centrifugal fan air inlet and the blast pipe, the gas outlet corresponds with the blast pipe upper end mouth.

3. The hot air circulation heating device of the oven of the setting machine as claimed in claim 2, characterized in that: the density of the filter cotton is gradually increased from the lower end to the upper end.

4. The hot air circulation heating device of the oven of the setting machine as claimed in claim 2, characterized in that: the UV photodissociation catalysis board is the complex piece, and even interval is horizontal in the blast pipe in about becoming, the UV photodissociation catalysis inter-plate is controlled both sides and is corresponded and connect installation UV fluorescent tube, a plurality of air vents have evenly been worn to the UV photodissociation catalysis board is vertical.

5. The hot air circulation heating device of the oven of the setting machine as claimed in any one of claims 2 to 4, characterized in that: the blast pipe is equipped with the mounting groove with UV photodissociation catalysis board, filter pulp junction, UV photodissociation catalysis board, filter pulp outer edge install with mounting groove complex mounting bracket, still open on the blast pipe with UV photodissociation catalysis board, filter pulp complex access door, UV photodissociation catalysis board, UV fluorescent tube, filter pulp pass through the access door and install in the mounting groove.

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