KR101492379B1 - System for purifying gas and vapor exhausted from tenter - Google Patents

Abstract

The present invention relates to a system for treating tenter exhaust gas and, more specifically, to a system for treating tenter exhaust gas having effects of reducing the air pollution and nearby complaints by maximally suppressing the amount of unburnt residues (oily steam and fabric fuzz) inside tenter exhaust gas by completely reheating the tenter exhaust gas generated when fabric is processed through a combustion furnace, increasing energy efficiency by heating a heating medium supplied to a tenter frame by collecting waste heat discharged according to combustion, and preventing fires caused by overheating of the residues of tenter exhaust gas stuck inside an exhaust duct.

Description

[0001] SYSTEM FOR PURIFIING GAS AND VAPOR EXHAUSTED FROM TENTER [0002]

The present invention relates to a tentacle exhaust gas treatment system, and more particularly, to a tentacle exhaust gas treatment system, and more particularly, to a tentacle exhaust gas treatment system including a tentacle exhaust gas generated during processing of a fabric through a fabric, ) Is minimized to reduce air pollution and nearby complaints, and the waste heat discharged from the combustion is recovered to heat the heating medium supplied to the heating unit, thereby increasing the energy efficiency. In addition, The present invention relates to a tentative exhaust gas treatment system for preventing a fire caused by overheating of residues of exhaust gas.

In general, the fabric is subjected to a dyeing process in which the silicon and other materials are dipped together on the fabric according to the characteristics of the product. After the dyeing process, the fabric is subjected to a high temperature heat treatment at about 250 ° C. to 270 ° C. through the TENTER Drying process.

Here, a conventional heating device is formed in the housing, and the drying process is performed while the raw material passes through the heating device. In this tentering process, the steam containing the moisture and the oil and the high temperature gas are discharged. Since these gases usually cause environmental pollution, they must be purified and discharged to the outside.

For this purpose, conventionally, a device for circulating water on the exhaust passage of the exhaust gas of the tenter has been provided to purify contaminants in the exhaust gas of the tenter through the water, or to remove the steam containing the moisture and oil discharged from the tenter, Is sent to the washing tower for purification, and then discharged to the atmosphere through a chimney.

However, such a conventional purifying system has a low purification efficiency and does not remove oil vapor containing oil, and is discharged as it is to the atmosphere. Also, water vapor is supersaturated with contact with external cold air, , The pollution of the surrounding environment by the scattering of the condensate, or the bad influence on the respiratory system of the human body.

In order to solve this problem, Korean Patent Laid-Open Publication No. 10-2014-0007205 (hereinafter referred to as Patent Document 1) discloses a method for purifying exhaust gas of a tenter, which is generated during processing of a fabric, Discloses a tenter exhaust gas combustion device for minimizing the amount of unburned residues generated in the exhaust gas of the tenter to reduce air pollution and nearby complaints,

Patent Document 1 has a problem that incomplete combustion of the exhaust gas of the tenter is generated due to merely the injection of the exhaust gas of the tenter into the combustion chamber and the combustion efficiency is low and the energy utilization efficiency is low due to lack of the recovery structure for the combustion heat by the combustion.

In addition, in Korean Patent Registration No. 10-1261195 (hereinafter referred to as Patent Document 2), an absorption filter equipped with a long-fiber biofilter is provided at the downstream end of a washing tower to remove moisture and oil from the exhaust gas of the tenter, The exhaust gas and the steam purifying apparatus are disclosed. However,

Patent Literature 2 is a merit that the biofilter is simply added to the washing tower, and the filtering effect is very low, and the maintenance is difficult due to the frequent replacement of the additional filter, and the recovery structure for the combustion heat due to the combustion is lacking, There is a problem of low efficiency.

Korean Patent Laid-Open Publication No. 10-2009-0113812 (hereinafter referred to as Patent Document 3) discloses a heat exchanger in which a hot exhaust gas, which is a hot, humid vapor, is directly discharged to the outside of a dryer, A heat pipe radiator and a heat pump using a heat pump that can reduce heat loss and reduce fuel cost by circulating and reusing heat loss are disclosed. However,

The patent document 3 is merely a heat exchanger for the hot exhaust gas, which is a hot steam, and lacks a constitution for the purification system for the exhaust gas of the tenter.

1) Document 1: Korean Patent Publication No. 10-2014-0007205 2) Document 2: Korean Patent No. 10-1261195 3) Document 3: Korean Patent Publication No. 10-2009-0113812 4) Document 4: Korean Patent Publication No. 10-2009-0032156

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a tentacle exhaust gas treatment system capable of minimizing the amount of unburned residues (steam of the oil vapor and fluffy fur) The exhaust gas is supplied to the combustion furnace so as to be completely re-burned through the special atomizer, and the waste heat discharged from the combustion is recovered through the heat exchanger to heat the heating medium supplied to the turnaround, It is an object of the present invention to prevent vibrations due to overheating by attaching the vibrator to the exhaust duct to suppress adhesion of residue of the exhaust gas to the exhaust duct.

In order to solve the above problems, a tenter exhaust gas processing system according to the present invention is a system for processing a tenter exhaust gas generated from a tenter machine, which is a post-processing machine of a raw material, An exhaust gas exhausting duct, a cylindrical tenter exhaust gas supply chamber connected to the blowing duct of the blower, an atomizer formed in the center of the supply chamber, a combustion furnace inserted into the supply chamber, a fuel supplier formed on the combustion furnace side, And a heat exchanger formed at an upper portion of the exhaust duct and connected to the exhaust duct.

The heating medium conveying pipe is connected to the heating unit. The heating medium conveying pipe is passed through the upper part of the burning furnace and is connected to the upper part of the fuel supplying unit along the inner wall of the burning furnace, And descends in a straight line, and is inserted from the lower portion of the combustion furnace into a tenter unit.

Further, the tentative exhaust gas exhaust duct is characterized in that the ultrasonic vibrator is formed in the exhaust duct direction changing portion.

Further, the tenter exhaust gas supply chamber is formed with a tentan exhaust gas nozzle, the combustion furnace has a tentan exhaust gas outlet, and the tentan exhaust gas is supplied to the combustion chamber through the outlet, through the tentan exhaust gas supply chamber .

In addition, the atomizer rotates by the rotating motor, and an air jetting path is formed in the center plane and the inclined plane, respectively. The center plane jetting path formed in the center plane is formed in parallel with the inner wall of the combustion furnace And a plurality of second injection paths tapered from the first injection path toward the inner wall of the combustion furnace within the same radius from the first injection path, wherein the inclined surface injection path formed on the inclined surface is tapered toward the inner wall of the combustion furnace .

The tenter exhaust gas processing system according to the present invention having the above-

First, the exhaust gas of the tenter generated during the fabric processing through the fabric is completely re-burned through the combustion furnace to minimize the amount of unburned residues (steam and fabric fleece) in the tent exhaust gas, And thus,

second. It is possible to increase the energy efficiency by recovering the waste heat discharged from the combustion and heating the heating medium supplied to the turn-

Third, the ultrasonic vibrator is attached to the exhaust duct to prevent the residue of the exhaust gas from sticking to the exhaust duct, thereby preventing fire due to overheating.

Fig. 1 is an overall configuration diagram of a tenter exhaust gas processing system according to the present invention
Figure 2 is a top plan view of a tenter exhaust gas treatment system in accordance with the present invention;
FIG. 3 is a graph showing the relationship between the projection profile of a combustion furnace of a tenter exhaust gas processing system according to the present invention
FIG. 4 is a graph showing the relationship between the internal gas flow rate in the furnace of the tenter exhaust gas treating system according to the present invention
FIG. 5 is a cross-sectional view of the interior of the atomizer of the tenter exhaust gas treatment system according to the present invention.

The term used in the present invention is a general term that is widely used at present. However, in some cases, there is a term selected arbitrarily by the applicant. In this case, the term used in the present invention It is necessary to understand the meaning.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

1, a tenter exhaust gas processing system according to the present invention is a system for completely burning a tenter exhaust gas by supplying a tenter exhaust gas generated from a tenter machine, which is a post-processing machine of a fabric, to a combustion chamber, A tenter exhaust gas supply chamber 300 connected to the blowing duct 210 of the blower, an atomizer 400 formed at the center of the supply chamber, A fuel supplier 600 formed on the side of the combustion furnace, a heat exchanger 700 formed on the combustion furnace and connected to the exhaust duct, and a heat medium conveyance pipe 800 formed on the inner wall of the combustion furnace 800 ).

2, the tenter exhaust gas exhaust duct 100 supplies a tenter exhaust gas of a tenter unit to a blower, and includes a plurality of branch pipes 110 connected to a tenter unit, a branch pipe 110 connected to the branch pipe and the blower 200, And a main pipe 130 connecting the main pipe 130 and the main pipe 130.

The branch pipe 110 is composed of a vertical branch pipe 111 vertically lifted from the ceiling portion of the tenant and a water evaluation branch pipe 113 extending from the vertical branch pipe toward the main pipe.

Here, the branch pipe 110 is provided with a direction changing unit for changing the direction of the vertical branch pipe and the bending portion of the water evaluation pipe in order to supply the tentane exhaust gas from the tenter unit to the main pipe.

Here, the tenter exhaust gas discharged at a temperature of about 175 ° C is conveyed along the exhaust duct 100 by the suction force of the blower. At this time, the solid matter, which is solidified by mixing the oil, moisture, A large amount of adhesive is adhered to the inside of the duct 100, in particular, in the direction switching portion, thereby acting as a main cause of fire occurrence. That is, the high temperature of 175 캜 induces a spark in volatile solids, which is spontaneous ignition.

Therefore, in the present invention, it is preferable to install the ultrasonic transducer 150 in the direction switching unit of the branch pipe 110 so as to remove accumulated solids accumulated on the inner wall of the duct or to prevent the solids from adhering to the inner wall of the duct in advance Do.

In addition, in order to prevent fire of the exhaust duct, the outer surface of the duct is preferably formed with a cover (C) such as a gypsum board and a tin board to prevent heat transmission. That is, by protecting the outer surface of the duct with a cover to prevent condensation, the vapor is not adhered.

The main pipe 130 is connected to the blower 200 through a heat exchanger 700 formed in the chimney 520 of the combustion furnace 500. This is described in detail in the description of the combustion furnace .

In addition, a normal filter is formed in the main pipe 130 to filter the solids that are not adhered by the ultrasonic vibrator, and to clean the solids.

Referring to FIG. 3, the blower 200 includes a conventional blowing motor and a blowing duct 210. The blowing fan 200 includes a blowing motor and a blowing duct 210. The blowing fan 200 is configured to suck the tenter exhaust gas of the tentering machine do.

Further, the blower sucks even the entrained exhaust gas solids which can not be adhered by the ultrasonic vibrator, and injects it into the combustion furnace.

Referring to FIG. 3, the tenter exhaust gas supply chamber 300 is connected to the bottom of the combustion furnace in order to supply the tenter exhaust gas, which is connected to the blowing duct and blown out from the blower, to the combustion furnace 500.

The supply chamber includes a cylindrical portion 310, a supply portion 320, and a connection portion 330, which are formed in a cylindrical shape for inserting a combustion furnace, and the bottom surface is a hollow donut shape.

The cylindrical portion 310 surrounds the outer surface of the combustion furnace and is configured to supply a tenter exhaust gas through a discharge port of the combustion chamber.

A plurality of discharge gas injection openings 311 and 321 are formed at predetermined intervals in the cylindrical portion 310 and the supply portion 320. The injection openings are formed to be inclined toward the center of the combustion furnace.

The connecting portion 330 is formed to extend from the supply portion and the center of the connecting portion 330 is formed in a hollow shape so that the atomizer can be coupled thereto. The connecting portion 330 includes an inclined portion 331, a horizontal portion 333, and a vertical portion 335 .

The inclined portion 331 is configured to guide the air ejected through the air injection path 490 of the atomizer to be mixed with the exhaust gas discharged through the exhaust gas injection port 320, (333) is a structure for allowing the atomizer to be seated and coupled through a common coupling means such as bolting or welding.

In addition, the vertical portion 335 is configured to attach the bearing B so that the atomizer can rotate.

3 and 5, the atomizer 400 includes a nozzle unit 410 coupled to the horizontal unit, a supply pipe 420 connected to the nozzle unit, A rotary shaft 440 formed at the bottom of the nozzle unit for rotating the nozzle unit, and a rotary motor 450 for supplying rotational force to the rotary shaft.

The nozzle unit 410 has a cap shape with one side closed and the other side opened. The nozzle unit 410 has a central surface 411 and an inclined surface 413, and an air jet path 490 is formed on the central surface and the inclined surface .

The center plane 411 is a horizontal plane in which a center plane injection path 491 is formed. The center plane 411 has a first injection path 491-1 formed at the center of the central plane and parallel to the inner wall of the combustion furnace, And a plurality of second injection paths 491-2 formed by tapering the inner wall of the combustion chamber within a radius of the combustion chamber 491. A plurality of inclined surface injection paths 492 formed on the inclined surface 413 are formed to be tapered toward the inner wall of the combustion furnace .

A bearing B is formed on an outer wall of the nozzle unit 410 to allow the nozzle unit to rotate.

The supply pipe 420 is connected to the nozzle unit to supply air to the nozzle unit, and a ring blower 430 is connected to one side.

The rotary shaft 440 is formed at the bottom of the nozzle portion and is connected to the rotary motor 450 through the supply pipe through a conventional power transmission device. Here, a normal bearing (not shown) is formed on the rotating shaft passing through the supply pipe.

4, the combustion furnace 500 has a structure in which the hot tentane exhaust gas supplied from the side and the bottom through the cylindrical portion 310 and the supply portion 320 and the air supplied through the nozzle portion 410 are vortexed And the mixed gas is ignited and completely burned by the combustion pellets supplied from the fuel supplier.

To this end, a main body 510 including a wall made of a refractory / heat resistant material layer is formed in the combustion furnace, a supply chamber and an atomizer are formed at the bottom of the main body, and exhausted burned tenter exhaust gas and pellets A chimney 520 is formed. Here, a normal filter may be installed in the chimney so as to filter contaminants generated during incomplete combustion of the exhaust gas of the tenter.

A plurality of tenter exhaust gas discharge openings 511 are formed in the bottom surface of the main body through the bottom of the insertion opening so that the cylindrical portion of the turntable exhaust gas supply chamber (310) and the supply portion (320) to the inside of the combustion chamber. In addition, a nozzle N is formed in the discharge port 511 so as to mix with the vortex generated inside the main body.

The upper lid 530 is detachably coupled to the connecting portion of the main body 510 and the chimney 520. The upper lid 530 can be easily remodeled and can maintain smooth opening and closing operations in a narrow space. .

Further, the upper lid is formed into a plurality of pieces, for example, three pieces, and the upper lid is formed with an inspection port to observe the combustion process of the fuel or to observe the flame condition.

Referring to FIG. 4, the fuel supplier 600 is for injecting a combustible material into the combustion chamber. Although the combustible material may be a pheasant material, it is preferable to use pellets in terms of thermal efficiency and low toxicity exhaust gas discharge . Compared with conventional brewer oil, pellets can also reduce CO2 emissions.

The fuel supply unit includes a feed hopper 610 through which the fuel is injected, a screw 620 passing through the combustion chamber from the outside of the combustion chamber to transfer the fuel dropped from the feed hopper to the combustion furnace, and a rotation motor 630 rotating the screw, .

In this embodiment, the fuel is conveyed through a separate screw, but it may be configured by a conveying method using a conveyor, a conveying method using a ring blower, or a conveying method using a pneumo-hydraulic cylinder. Alternatively, It is also possible to constitute a natural dropping method in which the fuel falls down by its own weight on the nozzle portion.

Here, the screw 620 is formed on the side of the combustion furnace, and it is preferable that the height of the screw 620 is designed so that the pellets to be injected fall down toward the center of the nozzle portion in consideration of the conveying speed of the screw, Further, considering the space in which the pellets are burnt, etc., the height of the fuel supply is usually set at 1/2 or less of the combustion chamber from the bottom of the combustion chamber.

In addition, it is preferable to provide a backflow prevention plate (not shown) for opening and closing a passage in the passage of the screw so that the passage can be opened only when fuel is injected, thereby preventing the risk of flame backflow of the combustion furnace .

In addition, a check port (not shown) made of transparent tempered glass can be opened and closed at one side of the combustion furnace to check the combustion state in the combustion furnace or to pierce the passage through the check port if the passage of the screw is clogged with fuel , And another check port that is the same as the check port is provided to monitor the combustion process of the fuel or to observe the flame condition.

Referring to FIG. 1, the heat exchanger 700 is formed in a chimney of a combustion furnace, for absorbing high-temperature incineration heat discharged through a combustion furnace and supplying it to a tentane exhaust gas supplied to a combustion furnace.

In this case, the heat exchanger is not formed in the chimney of the combustion furnace, but a discharge port (not shown) is formed in the chimney so as to be formed at a position separated from the chimney, and a manhole is provided at the discharge port to check or clean the heat exchanger, It can also be done.

Referring to FIG. 1, the heating medium transfer pipe 800 is connected to a heating oil boiler for supplying high temperature heat to a heating medium for supplying the heating medium.

In the present invention, the heating medium transfer tube supplied to the heating unit is passed through the combustion furnace, and the heat of combustion of the furnace is used as a heat source for supplying heat to the heating medium for supplying tenter.

Accordingly, the conventional oil heating boiler can adjust the function for spare or initial operation, thereby saving energy for heating the heating medium.

To this end, the heat medium conveying pipe passes through the upper portion of the combustion furnace, descends in the form of a screw along the inner wall of the combustion furnace to the upper portion of the fuel supplier, then descends in a straight line and is inserted into a tail pipe extending from the lower portion of the combustion furnace.

Here, by designing the formation structure of the heat medium transfer pipe formed on the upper and lower parts of the combustion chamber based on the position where the fuel supply unit is formed, the recovery of the combustion heat can be maximized.

That is, since the exhaust gas and the pellets are burned at the upper portion of the fuel supplier, the heat transfer pipe is formed into a screw to maximize the thermal contact area at this portion as the combustion temperature at this portion is maximized. Gas and pellet are ignited, the heat of combustion is not high, so that the heat transfer pipe is formed in a straight line, thereby maximizing the efficiency of production.

In addition, the heat medium conveying pipe may be formed of two or more heat collecting pipes, thereby maximizing the heat recovery rate.

In addition, the heating medium transfer pipe interpolated by the heating unit may be connected to the combustion chamber after circulating the interior of the heating unit, but may be connected to the boiler.

In this case, when connected to the boiler, the boiler can be used as a spare. This means that the boiler is operated in an emergency due to a failure of the combustion chamber or the like, and is normally stopped. For this purpose, So that it can be centrally controlled.

Here, the use of the boiler as a spare is an example, but the boiler may also be used as a combustion chamber.

Next, an operation state according to the present invention will be described.

First, the user activates the oil boiler for the tenant and supplies the heating medium to the tank at a temperature of 250 ° C to 270 ° C.

Then, while the boiler is stopped, the heat medium direction switching valve formed in the heat medium transfer pipe is operated to circulate the heat medium through the combustion chamber.

Here, the heating medium discharged after the high-temperature heat treatment and drying process in the tempering furnace usually has a temperature of 170 ° C. However, since the heating medium whose temperature is raised by the combustion heat while circulating in the combustion chamber is drawn into the heating furnace at a temperature of about 270 ° C again, It is possible to stop the operation of the fuel cell, resulting in a fuel saving effect of about 30%.

Meanwhile, the tenter exhaust gas discharged from the tenter is also sucked from the tenter by a blower at a temperature of 170 ° C. At this time, the burned tenter exhaust gas of 200 ° C. discharged from the combustion furnace is heat-exchanged through a heat exchanger, And then is sucked into the combustion furnace.

At this time, the entrained exhaust gas from the bottom and side of the combustion furnace is introduced into the combustion furnace by the rotating atomizer and is ignited by the ignited pellets injected from the fuel supplier, .

When the igniter is mixed with pellets and an ignitable material such as kerosene and the mixture is ignited and injected into the furnace, the exhaust gas is momentarily ignited by the temperature of the exhaust gas at 200 ° C., The combustion of the combustion chamber can be continuously performed.

The tenter exhaust gas burned in the combustion chamber heats the heating medium of the heat transfer pipe located in the combustion chamber and is discharged to the chimney after the temperature of the exhaust gas of the exhaust duct of the exhaust duct is increased through the heat exchanger.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention. Various modifications and variations will be possible without departing from the spirit of the invention. Therefore, the scope of the present invention should be construed as being covered by the scope of the appended claims, and technical scope within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

100: exhaust duct
200: blower
300: Tenta exhaust gas supply chamber
400: Atomizer
500: Combustion furnace
600: fuel supply
700: heat exchanger
800: Heat transfer pipe

Claims (7)

A system for treating a tenter outlet gas generated from a tenter machine which is a post-processing machine of a fabric,
A tenter exhaust gas exhaust duct 100 for connecting the tenant unit T and the blower 200;
A cylindrical tenter exhaust gas supply chamber 300 connected to the blowing duct 210 of the blower;
An atomizer (400) formed at the center of the feed chamber;
A combustion furnace (500) inserted into the supply chamber;
A fuel supplier 600 formed on the combustion furnace side;
And a heat exchanger (700) formed on the combustion furnace and connected to the exhaust duct.
The method according to claim 1,
A heat medium transfer pipe is formed in the combustion furnace,
And the heating medium transfer pipe is connected to the tenant.
The method of claim 2,
Wherein the heat medium transfer pipe is passed through the upper part of the combustion furnace and descends in a screw shape along the inner wall of the combustion furnace to the upper part of the fuel supply unit and then is linearly lowered and is inserted into the lower part of the combustion furnace, .
The method according to claim 1,
Wherein the exhaust gas exhausting duct has an ultrasonic vibrator formed in the exhaust duct direction switching unit.
The method according to claim 1,
Wherein the tenter exhaust gas supply chamber is formed with a tenter exhaust gas nozzle,
In the combustion furnace, a tentane exhaust gas outlet is formed,
And the tenter exhaust gas is supplied to the combustion chamber through the outlet through the tenter exhaust gas supply chamber.
The method according to claim 1,
Wherein the atomizer has an air jet path formed on a central plane and an inclined plane,
The center-side injection path formed on the center plane includes a first injection path formed in parallel with the inner wall of the combustion furnace at the center of the central plane, and a plurality of second injection paths formed in the same radius from the first injection path and tapered toward the inner wall of the combustion furnace. Lt; / RTI >
Wherein the inclined surface spray path formed on the inclined surface is tapered toward the inner wall of the combustion furnace.
The method according to claim 1,
Wherein the atomizer is rotated by a rotating motor.

Images