KR101966378B1 - Dry cleaning laundry machine - Google Patents

Abstract

The disclosed dry cleaning washing machine includes a housing having a door that can be opened and closed, an opening disposed to be rotatable in the housing, and open to be aligned with the door so as to insert and discharge the laundry through the opened door A hot air generator for heating the air to form hot air to flow into the drum, a steam generator for generating steam in the hot air passing through the hot air generator to suppress the generation of static electricity by increasing the humidity inside the drum, And an extinguisher for discharging nitrogen (N ₂ ) gas, which is an extinguishing agent, to the hot air passing through the hot air generator and through the hot air generator so that the fire evolves when a fire occurs inside the drum.

Description

{Dry cleaning laundry machine}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a dry cleaning washing machine for washing and drying laundry by a dry cleaning method, and more particularly to a dry cleaning washing machine in which volatile washing solvent is recovered when drying washed laundry.

Dry cleaning involves washing laundry in a dry state using a cleaning solvent such as volatile organic compounds (VOCs). It is a good washing method that removes grease easily. It is mainly used for clothes washing which is liable to discolor or shrink when washed with water. As the volatile cleaning agent, for example, solvent-based or petroleum-based cleaning agents may be used.

The dry cleaning process includes a washing step of immersing the laundry in the volatile washing solvent to remove the washing water from the laundry, a dehydrating step of draining the washing solvent and extracting the remaining washing solvent through centrifugal separation, And blowing hot air to completely remove the cleaning solvent remaining in the laundry by volatilization. The gas discharged to the outside of the drum in the drying step includes water vapor and vaporized cleaning solvent, that is, VOCs in addition to air.

In the case of a conventional dry-cleaning washing machine, when the dry-cleaned laundry is dried, the inside of the drum is gradually lowered in humidity and the temperature is increased, so that static electricity can easily occur. At this time, the volatile cleaning solvent discharged from the laundry is ignited by the static electricity, and explosion and fire accident are likely to occur.

In order to prevent the explosion and fire, dry cleaning may be carried out using a solvent having a high flash point and an odor, such as disclosed in Korean Patent Publication No. 10-1170658. However, it is difficult to reduce the risk of fire due to the generation of static electricity only by such a solvent change.

Korean Patent Registration No. 10-1170658

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a dry cleaning washing machine in which explosion and fire due to static electricity are prevented during drying of dry laundry.

The present invention provides a washing machine comprising a housing having a door that can be opened and closed, an opening disposed to be rotatable in the housing, and open to be aligned with the door to allow laundry to be introduced and discharged through the opened door, A hot air generator for heating the air to form hot air to flow into the drum, a heat generator for generating heat in the drum through the hot air generator to suppress the generation of static electricity, (N ₂ ) gas which is an extinguishing agent to the hot air passing through the hot air generator and through the hot air generator so that the fire evolves when a fire occurs in the drum, There is provided a dry cleaning washing machine having a fire extinguisher to be discharged.

The dry cleaning washing machine of the present invention further comprises a boiler for heating the water to be steam or hot water, and the water vapor or hot water formed in the boiler is supplied to the hot air generator and the static electricity protector .

The fire extinguisher includes a fire extinguisher tank filled with the nitrogen gas and a fire extinguishing agent discharge nozzle disposed on a flow path for guiding hot air discharged from the hot air generator to the drum, and an extinguishant control valve disposed on the extinguishant flow path for guiding the nitrogen gas discharged from the extinguishing agent tank to the extinguishing agent discharge nozzle and controlling the discharge flow rate of the nitrogen gas through the extinguishing agent discharge nozzle.

The dry cleaning washing machine of the present invention further comprises a fire detector for detecting the fire when a fire occurs in the drum, and when a fire is detected by the fire detector, the fire extinguisher control valve is opened, The nitrogen gas can be discharged.

The dry cleaning washing machine of the present invention includes a condenser core for cooling the exhaust gas discharged from the inside to the outside of the drum, a volatile cleaning solvent contained in the exhaust gas, a condenser for liquefying the water, An oil-water separator disposed below the condenser core for separating the liquid volatile cleaning solvent and the liquid receiving plate for collecting water, the liquid volatile cleaning solvent collected in the liquid receiving plate and the water without mixing with each other, And a cleaning solvent tank into which a liquid, volatile cleaning solvent separated from the water is introduced by the condenser, and the exhaust gas passing through the condenser can be introduced into the hot air generator.

The discharge gas discharged from the drum is re-introduced into the drum through the first and second layers, and the first and second layers are disposed to communicate with each other at the inner rear end, A condenser core is installed, and a duct having a hot air generator is installed on the second floor. The duct includes a layer partition plate horizontally disposed to divide the first and second layers into an inner space and a duct housing having an inner opening vertically disposed behind the layer partition plate so as to communicate the first and second layers And a first blocking wall which protrudes downward from the inner side surface of the layer partition plate so as to block the liquid passing through the condenser in the exhaust gas to flow into the liquid receiving plate, And a second blocking wall protruded upward from a rear end of the layer partition plate to block the liquid contained in the exhaust gas flowing into the second layer to allow the liquid to flow into the receiving plate.
Wherein the duct further comprises a second blocking wall that blocks the liquid that rises together with the exhaust gas flowing upward from the first floor to the second floor inside the duct housing, And a plurality of liquid discharge slits arranged to be spaced apart from the second blocking wall may be formed.

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The duct includes a third blocking wall that prevents liquid contained in the hot air formed in the hot air generator from being discharged to the outside of the duct housing and a third blocking wall that is clogged with the third blocking wall and is not discharged to the outside of the duct housing. And may further include a trench.

In the dry cleaning washing machine of the present invention, the steam is supplied during drying of laundry to suppress the generation of static electricity in the drum, thereby reducing the risk of fire or explosion. Particularly, since the supplied steam or hot water passes through the hot air generator and only the water vapor is supplied into the drum without hot water, the laundry drying performance is not deteriorated and the quality of the dried laundry is also improved.

In the dry cleaning washing machine of the present invention, even if steam is supplied to the inside of the drum, when a fire occurs, nitrogen gas can be injected into the drum to suppress the fire prematurely. In particular, when the door of the housing is opened to evolve when a fire occurs inside the drum, oxygen may be rapidly supplied to spread the fire. However, in the dry cleaning washing machine of the present invention, sufficient nitrogen gas is supplied into the drum while the housing door is closed It can easily evolve the fire and reduce the loss caused by the fire.

1 is a schematic cross-sectional view of a dry cleaning machine according to an embodiment of the present invention.
2 and 3 are perspective views showing the internal air duct of FIG. 1, wherein FIG. 2 is a top view and FIG. 3 is a bottom view.
FIG. 4 is a cross-sectional view of FIG. 2 taken along line IV-IV.
5 is a perspective view showing the condenser of FIG. 1;
6 is a perspective view showing the hot air generator and the static electricity preventer of FIG.

Hereinafter, a dry cleaning washing machine according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The terminology used herein is a term used to properly express the preferred embodiment of the present invention, which may vary depending on the intention of the user or operator or the custom in the field to which the present invention belongs. Therefore, the definitions of these terms should be based on the contents throughout this specification.

2 is a perspective view showing an internal air duct of FIG. 1, FIG. 2 is a top view of the internal air duct of FIG. 1, FIG. 3 is a bottom view of a dry cleaner according to an embodiment of the present invention, FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 2, FIG. 5 is a perspective view of the condenser of FIG. 1, and FIG. 6 is a perspective view of the hot air generator and the static electricity preventer of FIG. 1 .

Referring to FIG. 1, the dry cleaning washing machine 10 according to the embodiment of the present invention includes a structure for cleaning the laundry 120 with a volatile cleaning solvent that is volatile organic compounds (VOCs) And a configuration for recovering the volatile cleaning solvent vaporized during drying of the laundry 120 and contained in the air.

The dry cleaning washing machine 10 includes a housing 11, a drum 20, a hot wind generator 33, an electrostatic protector 41, a boiler 30, a fire extinguisher, a fire detector 55 An air filter 47, a condenser 60, an oil water separator 110, a cleaning solvent tank 112, and a drain tank 114. The drum 20, the air filter 47, the oil water separator 110, the cleaning solvent tank 112, and the drain tank 114 are provided in the housing 11.

The housing 11 is formed with a door 15 that can be opened and closed on the front surface thereof. The door 15 is pivotably coupled to a panel on the front surface of the housing 11 by a hinge (not shown). The drum 20 is disposed inside the housing 11 so as to be rotatable about a rotation axis RL parallel to the X axis. A drum opening 21 is formed in the front surface of the drum 20 to allow the laundry 120 to be inserted and discharged.

The drum opening 21 is formed in a position aligned with the door 15 along the rotation axis RL. Accordingly, when the door (15) is opened and the laundry (120) is put into the housing (11), the laundry (120) is accumulated inside the drum (20). The laundry (120) accumulated in the drum (20) can be taken out of the housing (11) by opening the door (15). On the outer circumferential surface of the drum 20, a plurality of through holes 23 are formed to allow liquid and gas to flow in and out. The inner diameter of the through hole 23 is designed to be small so that the laundry 120 is not discharged through the through hole 23. Although not shown in FIG. 1, the dry cleaning washing machine 10 includes a drum rotation motor for providing power for rotating the drum 20 to the rear of the housing 11, and a rotary motor for rotating the drum 20 To the power transmission unit.

1 and 6 together, the hot air generator 33 heats the air to form hot air HA flowing into the drum 20, As shown in Fig. The hot air generator 33 includes a hot air generator core 34, a heat medium supply pipe 38 for guiding the path of the heat medium to supply the heat medium to the core 34, And a thermal medium discharge pipe 39 for guiding the path of the thermal medium.

The hot air generator core 34 defines a flow path of the thermal medium supplied by the thermal medium supply pipe 38 and includes a heat medium flow tube 35 extending along a zigzag path And a fin 37 attached to the outer circumferential surface of the thermal medium flow tube 35 to promote heat exchange. The fin 37 may be a corrugated fin having a wave-like corrugated surface to increase the surface area of contact with air. The heat medium flow tube 35 is connected to the heat medium supply tube 38 and the heat medium discharge tube 39 so that the flow of the heat medium is possible.

The heat of the heat medium flow tube 35 is transferred to the fins 37 through heat exchange and the heat is transferred to the air flowing through the fins 37 to form the hot air HA. The dry cleaning washing machine 10 further includes a blower (not shown) that pressurizes the air to flow through the hot air generator core 34 while flowing in parallel with the positive (+) direction of the X axis.

The thermal medium is water (H ₂ O). Specifically, the heating medium HM supplied to the hot air generator core 34 along the heat medium supply pipe 38 is a warm water having a temperature of 80 ° C or higher, or water vapor, which is gaseous water. The heat medium supplied to the hot air generator core 34 may be either liquid water whose temperature is lower than when the heat is discharged from the hot air generator core 34 to the core 34, And the heat medium thus discharged is discharged from the hot air generator core 34 through the heat medium discharge pipe 39. In this case,

The boiler 30 boils water to form water vapor or hot water having a temperature of 80 ° C or higher and the water vapor or hot water is supplied to the hot air generator core 34 through the heat medium supply pipe 38. The boiler 30 is also connected to the heat medium discharge pipe 39 so that the heat medium discharged through the hot air generator core 34 is introduced into the boiler 30 through the heat medium discharge pipe 39 and heated again.

The static electricity prevention device 41 discharges water vapor or hot water, which is an electrostatic suppression medium, to the hot air HA passing through the hot air generator 33 and toward the drum 20. [ The electrostatic preventer 41 includes an electrostatic suppression medium supply pipe 42 connected to the heating medium supply pipe 38 so as to be fluidly connected to the electrothermal suppressing medium supply pipe 42 and an antistatic medium discharge nozzle 45 ) And an electrostatic suppression medium control valve (43) for controlling the flow rate of the electrostatic suppression medium through the electrostatic suppression medium supply pipe (42).

As the drying process is performed through the supply of hot air (HA), the inside of the drum 20 is gradually lowered in humidity, the temperature is raised, and an environment in which static electricity is easily generated is formed. At this time, water vapor formed in the boiler 30 or hot water at a temperature of 80 ° C or higher is discharged through the antistatic medium discharge nozzle 45 to mix with the hot air HA, Humidity increases. Since the highly humid hot air HA flows into the drum 20, the humidity inside the drum 20 also increases, and the possibility of occurrence of static electricity also decreases. This reduces the risk of explosion and fire accidents. The static electricity suppressing medium control valve 43 is automatically operated in conjunction with the progress of the drying process or the humidity inside the drum 20 to automatically discharge the discharge amount of the static electricity suppressing medium through the antistatic medium discharging nozzle 45 .

The hot water as well as the steam may be discharged through the anti-static medium ejection nozzle 45 as described above. However, the hot water is also discharged in the form of droplets through the antistatic medium discharge nozzle 45, so that it is immediately vaporized by the heat of the hot air HA. Further, hot water not vaporized by the third blocking wall 89, which will be described later, is not discharged toward the drum 20 through the hot air discharge opening 87. Therefore, only hot air HA and steam contained in the hot air HA are supplied into the drum 20 without water in the liquid, so that the drying performance is not deteriorated and the quality of the dried laundry is also improved do.

Referring to FIG. 1 again, the fire extinguisher is provided to evolve the fire early in the event of a fire in the drum 20 despite the moisture supply by the electrostatic protector 41. The fire extinguisher discharges nitrogen (N ₂ ) gas, which is a fire extinguishing agent, to the hot air HA passing through the hot air generator 33 and toward the inside of the drum 20.

The fire extinguisher includes a fire extinguishing agent tank 50 filled with the nitrogen gas, a fire extinguishing agent discharge nozzle 52 through which the nitrogen gas discharged from the extinguishing agent tank 50 is discharged, An extinguishing agent control valve 51 disposed on the extinguishing agent flow path for guiding the gas to the extinguishing agent discharge nozzle 52 and controlling the discharge flow rate of the nitrogen gas through the extinguishing agent discharge nozzle 52, The fire extinguishing agent discharge nozzle 52 includes a hot air guide passage 28 for guiding the hot air HA emitted from the hot air generator 33 into the drum 20, The smoke detector 55 includes a heat sensing type for sensing heat generated in a fire, a smoke sensing type for sensing smoke, a flame sensing type for sensing a flame, and a plurality of heat, smoke, Composite sensing type Type.

The fire extinguisher control valve 51 is closed in a normal state but the fire extinguisher control valve 51 is automatically turned on when a fire is detected by the fire detector 55 during the drying of the laundry 120 in the drum 20 And a large amount of nitrogen gas filled in the nitrogen tank 50 is discharged through the extinguishing agent discharge nozzle 52. The nitrogen gas flows into the drum 20 along the hot air guide passage 28 and the inclined surface 17 to be described later so as to suppress the fire prematurely. When the door 15 of the housing 11 is opened to evolve in the event of a fire in the drum 20, oxygen may be supplied suddenly to spread the fire. However, the dry cleaning washing machine 10 may be constructed such that the housing door 15 Sufficient nitrogen gas can be injected into the drum 20 while being closed so that the fire can be easily evolved and the loss due to the fire can be reduced.

Meanwhile, the dry cleaning washing machine 10 of the present invention may not include the fire detector 55. In the absence of the fire detector 55, when the operator observes the inside of the drum 20 through the door 15 during the drying operation of the laundry 120, when the occurrence of fire is observed, the fire extinguisher control valve 51 is opened, And can be introduced into the hot air guide passage 28.

The hot air HA emitted from the hot air generator 33 flows into the drum 20 along the hot air guide passage 28 inside the housing 11. [ The inclined face 17 provided on the door 15 guides the hot air HA discharged from the hot air guide passage 28 into the drum 20 through the drum opening 21. [ Specifically, the inclined surface 17 is defined by an outer peripheral surface of a tapered door 15 whose diameter becomes smaller toward the rear in parallel with the direction of the negative X-axis (-). When the door 15 is closed, the rear end portion of the inclined surface 17 extends to a position further rearward than the position of the drum opening 21. The hot air HA discharged from the hot air guide passage 28 is guided obliquely rearward by the inclined surface 17 and is mostly introduced into the drum 20 through the drum opening 21. [

The drum 20 is rotated by the operation of the dry cleaning washing machine 10 so that the laundry 120 inside the drum 20 is caught on the outer circumferential surface of the drum 20 and then dropped by the gravity, The laundry 120 moved to the rotation center RL side of the drum 20 at the moment of moving toward the rotation center RL receives the hot air HA discharged from the inclined surface 17, The drying efficiency is improved, the time required for drying the laundry 120 is shortened, and the energy consumption is also reduced.

The exhaust gas EX mixed with the volatile cleaning solvent evaporated in the laundry 120 in the drying process, the impurities such as water vapor and dust, and the hot air HA introduced into the drum 20 Is discharged to the outside of the drum 20 through the plurality of drum through holes 23 and flows toward the rear of the drum 20 along the exhaust gas guide passage 26 inside the housing 11. [ The air filter 47 is disposed inside the housing 11 at the rear of the drum 20 and filters the impurities from the exhaust gas EX discharged from the drum 20 and directed to the condenser 60. The air filter 47 has a plurality of filters 48 arranged so as to overlap one another or along the flow path of the exhaust gas EX.

1 and 5, the condenser 60 cools the exhaust gas EX to liquefy the volatile cleaning solvent and the moisture contained in the exhaust gas EX. The liquefied volatile cleaning solvent and moisture, that is, the liquid LQ, are separated and extracted from the exhaust gas EX.

The condenser 60 includes a condenser core 61 that cools the exhaust gas EX that has passed through the air filter 47 and a refrigerant that absorbs heat emitted from the exhaust gas EX passing through the condenser core 61 A heat exchanger (not shown) for allowing heat to be discharged through heat exchange with the outside air; a refrigerant supply passage for guiding the refrigerant discharged from the heat exchanger and flowing into the condenser core 61; And a refrigerant discharge channel which is guided to be discharged from the condenser core (61) and introduced into the heat exchanger. The condenser core 61 is disposed in the housing 11 below the hot air generator 33 and above the air filter 47.

The condenser core 61 includes a plurality of core internal micro tubes 63 extending along a zigzag path so as to flow the refrigerant and a plurality of core internal micro tubes 63 attached to the outer peripheral surfaces of the plurality of core internal micro tubes 63, And a pair of coupling brackets 67 for supporting a plurality of the in-core micro tubes 63 and the fins 65. The fin 65 is provided with a plurality of through- The fin 65 may be a corrugated fin having a wave-like corrugated surface to increase the surface area of contact with air. The pair of coupling brackets 67 are coupled to the duct 80 by fastening screws (not shown) when the condenser core 61 is fixed in the duct 80 (see FIGS. 2 to 4) .

The refrigerant supply passage includes a refrigerant inlet pipe 71, a refrigerant distributor 72 connected to one end of the refrigerant inlet pipe 71, a refrigerant distributor 72 connected to the refrigerant distributor 72, And a plurality of coolant inflow micro tubes (74) connecting one end of the coolant inflow tubes (63). The refrigerant distributor 72 discharges the refrigerant discharged from the refrigerant inlet pipe 71 and flows into the refrigerant inlet micro tube 74 almost at the same time as a shower head. The plurality of coolant inflow micro tubes (74) and one end of the plurality of core internal micro tubes (63) are connected one to one. Therefore, the refrigerant discharged from the end of the refrigerant inflow pipe 71 to the refrigerant distributor 72 is supplied to all the refrigerant inflow micro tubes 74 at substantially the same flow rate and at substantially the same flow rate.

The refrigerant discharge channel includes a refrigerant discharge pipe 75, a refrigerant coupling pipe 76 connected to one end of the refrigerant discharge pipe 75 and extending in a direction crossing the refrigerant discharge pipe 75, And a plurality of coolant discharge micro tubes (73) for connecting the tubes (76) to the other ends of the plurality of core internal micro tubes (63). One end of the plurality of coolant discharge micro tubes (73) and the other end of the plurality of core internal micro tubes (63) are connected one to one. The other ends of the plurality of refrigerant discharge micro tubes 73 are connected to the side of the refrigerant condensing tube 76 at equal intervals.

The ends of the plurality of coolant inflow micro tubes 74 are connected to one end of the condenser core 61 and the ends of the plurality of coolant outlet micro tubes 73 are connected to the other end of the condenser core 61. As shown by the one-dot chain line arrows in Fig. 5, the refrigerant inside the condenser core 61 flows along the zigzag path from one side end to the other side of the condenser core 61 along the plurality of core internal fine tubes 63 And exchanges heat with the exhaust air (EX) passing through the condenser core (61). The condensing performance is improved by supplying the low-temperature refrigerant to the entire region of the condenser core 61 in a large amount evenly through the distributor 72 and the plurality of refrigerant inflow micro tubes 74.

Below the condenser core 61, a receiving plate 105 inclined in the form of a funnel is provided. The exhaust gas EX passing through the condenser core 61 is cooled through heat exchange so that the volatile cleaning solvent and the water contained in the exhaust gas EX are liquefied, (65). The liquid LQ formed on the plurality of core internal microtube 63 and the fin 65 flows down to the liquid receiving plate 105.

The oil water separator 110 is located inside the housing 11 at the lower rear side of the drum 20 and is connected to the liquid receiving plate 105 by the liquid flow path 107. The liquid LQ collected in the liquid receiving plate 105 flows into the oil water separator 110 through the liquid flow path 107. The oil water separator 110 separates the volatile washing solvent which is an organic compound from water, Separate the volatile cleaning solvent and water from each other by using the floating nature.

The cleaning solvent tank 112 is a tank in which a volatile cleaning solvent required for cleaning in a dry cleaning type is accommodated, and is located on the lower side of the drum 20 inside the housing 11. The volatile cleaning solvent separated from water in the oil-water separator 110 flows into the cleaning solvent tank 112 and merges with the volatile cleaning solvent already contained in the cleaning solvent tank 112.

The drainage tank 114 is located inside the housing 11 on the lower side of the drum 20, and water separated from the volatile cleaning solvent is received in the oil-water separator 110. When the water in the drainage tank 114 is collected in an amount greater than the proper amount, the operator of the dry cleaning machine 10 drains the water through the sewage pipe (not shown). The drainage tank 114 may not be provided in the dry cleaning washing machine 10. In this case, the water separated from the volatile cleaning solvent in the oil water separator 110 is drained through the drain pipe without being stored.

The operator can clean the laundry 120 that has been introduced into the drum 20 by using the dry cleaning washer 10. [ In the process of washing the laundry 120, the liquid volatile cleaning solvent contained in the cleaning solvent tank 112 is circulated between the cleaning solvent tank 112 and the drum 20. The volatile cleaning solvent is introduced into the drum 20 through which the laundry 120 is introduced along the cleaning solvent supply path (not shown), so that about half of the inner space of the drum 20 is filled with the volatile cleaning solvent , The drum 20 rotates about the rotation axis RL and the laundry 120 is cleaned. When the laundry 120 is completely cleaned, the volatile cleaning solvent is discharged from the drum 20 and flows into the cleaning solvent tank 112 along the cleaning solvent discharge path (not shown), and the drum 20 rotates at a high speed, The volatile cleaning solvent dehydrated in the cleaning tank 120 flows back into the cleaning solvent tank 112 along the cleaning solvent discharge path.

Referring to FIGS. 1 to 4 together, the dry cleaning washing machine 10 includes a duct 80 on the upper side of the drum 20. The duct (80) is provided with a condenser core (61) and a hot air generator core (34) as a part of the housing (11). One side of the lower end of the duct 80 is connected to the exhaust gas guiding flow path 26 so as to be air-flowable, and one side of the upper end of the duct 80 is connected to the hot air guiding flow path 28 in an air- A flow path is formed in the duct (80) so as to allow air flow.

The duct 80 includes a substantially hexahedral duct housing 81 and a layer partition plate 82 extending substantially horizontally inside the duct housing 81 so as to divide the interior space of the duct housing 81 into two upper and lower layers Respectively. 6) formed on the front surface of the two-layer duct housing 81 disposed above the two layers separated by the layer partition plate 82 and passing through the hot air former core 34, A hot air discharge opening 87 is formed. The hot air discharge opening 87 is connected to the hot air guide passage 28. 5) of the condenser core 61 flows into the side of the one-side duct housing 81 disposed above the two layers separated by the layer partition plate 82. [ A gas inlet opening 86 is formed.

A hot air generator core (34) is installed on the second floor inside the duct housing (81), and a condenser core (61) is installed on the first floor. Reference numeral 8 '5 is a condenser stopper for precisely designating a position where the condenser core 61 is to be installed. Reference numeral 84 denotes a condenser installation opening 84 for introducing the condenser core 61 into the duct housing 81 formed on the lower side of the duct housing 81. After the condenser core 61 is fixed in the duct housing 81, the condenser mounting opening 84 is coupled with the receiving plate 105. [

An inner opening (83) is formed in the duct housing (81) so that the first and second layers are air-flowably connected. Therefore, the air introduced into the exhaust gas inflow opening 86 flows from the first floor to the rear side, passes through the condenser core 61, ascends to the second floor, advances forward, passes through the hot air generator core 34, And is discharged through the opening 87.

The duct 80 is provided with means for preventing the liquid LQ liquefied in the duct housing 81 from being discharged through the hot air discharge opening 87 and flowing into the drum 20. The first, Third blocking walls 93, 95, 89 and a trench 91 are provided. The first blocking wall 93 is a member protruding downward from the inner surface of the rear surface of the duct housing 81 and extending parallel to the Y axis. The first blocking wall 93 is located above the receiving plate 105 and passes through the condenser core 61 It partially obstructs the flow of an exhaust gas DA (see FIG. 5) but does not completely block the flow. The first blocking wall 93 is formed in such a manner that the liquid LQ formed in the condenser core 61 or the liquid LQ collected in the liquid receiving plate 105 passes through the condenser core 61 and flows toward the hot air generator core 34 Is blocked by the exhaust gas (DA) and is prevented from flowing into the hot air generator core (34).

The second blocking wall 95 is a member that protrudes upward from the rear end of the layer partition plate 82 and extends parallel to the Y axis. The second blocking wall 95 blocks the liquid LQ rising together with the exhaust gas DA (see FIG. 5) flowing upward through the inner opening 83 (see FIG. 5). The height HT of the second blocking wall 95 may be 5 to 60 mm. A plurality of liquid discharge slits 96 are formed in the second blocking wall 95 so as to be spaced apart by a predetermined distance LT. The predetermined distance LT may be 50 to 150 mm. The width GP of the liquid discharge slit 96 may be 3 to 10 mm.

The liquid LQ which has just passed the second blocking wall 95 can fall on the layer partition plate 82 upstream of the hot air generator core 34 due to the specific gravity heavier than air. The liquid LQ falling on the layer division plate 82 collects as a liquid droplet and drops onto the liquid receiving plate 105 through the liquid discharging slit 96. The layer partition plate 82 upstream of the hot air generator core 34 may be inclined downwardly toward the rear so that the liquid droplet can move toward the second blocking wall 95 by gravity. If the second barrier wall 95 and the liquid discharge slit 96 are not present, when the drying process of the laundry 120 is completed and the air flow inside the duct housing 81 is weakened, The liquid droplets formed on the layer partition plate 82 are discharged from the duct housing 81 and flow into the drum 20 due to a strong air flow when the drying process of the laundry 120 is started, The drying quality of the ink may be lowered.

The third blocking wall 89 is formed to close the lower portion of the hot air vent opening 87 by about half and the trench 91 is formed just behind the third blocking wall 89. The liquid contained in the hot air HA (see FIG. 6) formed through the hot air generator core 34 can not pass through the hot air discharge opening 87 due to a specific gravity heavier than air, and collides with the third blocking wall 89 . Thus, the liquid which is clogged by the third blocking wall 89 and can not be discharged to the outside of the duct housing 81 falls down and collects in the trench 91.

When the drying process of the laundry 120 is completed and the air flow inside the duct housing 81 is weakened, a liquid drop forms on the layer partition plate 82 between the hot air generator core 34 and the trench 91, This droplet may move in a strong air flow to collide with the third blocking wall 89 when the drying process of the laundry 120 starts, and may fall and gather in the trench 91. Although not explicitly shown in the figure, the liquid collected in the trench 91 is appropriately drained. Due to the first, second, and third blocking walls 93, 95, and 89 and the trench 91, the deterioration of the drying quality and the poor drying of the laundry due to the liquid flowing into the drum 120 are prevented, HA) is lower than the proper temperature, drying defects that may occur due to the drying process are prevented.

On the other hand, first and second observation windows 96 and 97 are provided on the front surface and the rear surface of the first layer of the duct housing 81, respectively. The first and second observation windows 96 and 97 are closed by a transparent glass plate or a transparent plastic plate. Through the first and second observation windows 96 and 97, the operator can visually recognize the air flow inside the duct housing 81 and the states of the condenser core 61 and the receiving plate 105.

Reference numeral 101 denotes a refrigerant inflow hole through which the refrigerant inflow pipe 71 of the condenser 60 penetrates and which is formed on the back surface of the duct housing 81. Reference numeral 102 denotes a refrigerant inflow hole formed on the back surface of the duct housing 81 Is a refrigerant outlet pipe through which the refrigerant outlet pipe (75) of the condenser (60) passes.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

10: Dry cleaning washing machine 11: Housing
15: door 20: drum
33: Hot air generator 41: Antistatic
60: condenser 80: duct
110: Oil-water separator 112: Cleaning solvent tank

Claims (8)

A housing having a door capable of opening and closing;
A drum rotatably disposed within the housing;
The discharge gas discharged from the drum is re-introduced into the drum through the first and second layers, and the first and second layers are disposed to communicate with each other at the inner rear end, A duct in which a condenser core is installed and a hot air generator is installed on the second floor;
An antistatic device disposed downstream of the hot air generator for discharging steam or hot water to the hot air directed to the drum so as to suppress the generation of static electricity in the hot air passing through the hot air generator; And
And a fire extinguisher disposed in the downstream of the hot air generator for discharging fire extinguishing gas to hot air directed to the drum so that the fire evolves when a fire is generated in the drum,
The condenser includes a condenser core having a plurality of core internal microtubes extending along a zigzag path so as to allow the refrigerant to flow, a refrigerant inlet pipe, and a refrigerant inlet pipe, A plurality of coolant inflow microtubes communicating with one end of each of the microtubes, a plurality of coolant discharge microtubes communicating with the other end of each of the microtubules inside the core, and a refrigerant discharge pipe communicating with the refrigerant discharge microtubes ,
A plurality of refrigerant inflow microtubes are connected to the refrigerant distributor in the shape of a water stream of the showerhead so that the refrigerant is simultaneously discharged from the refrigerant distributor Lt; RTI ID = 0.0 > microfluid < / RTI >
And the refrigerant having passed through the refrigerant inflow pipe is supplied to the respective refrigerant inflow microtubes and the core internal microtubes at the same flow rate and flow rate. The method according to claim 1,
And a boiler for heating the water to become the water vapor or hot water,
Wherein the steam or hot water formed in the boiler is supplied to the hot air generator and the electrostatic protector. The method according to claim 1,
The fire extinguisher includes a fire extinguishing agent tank filled with nitrogen gas and a fire extinguishing agent dispensing nozzle disposed on a flow path for guiding warm air discharged from the hot air generator to the drum, And an extinguishing agent control valve disposed on the extinguishant flow path for guiding the nitrogen gas discharged from the extinguishing agent tank to the extinguishing agent discharge nozzle and controlling the discharge flow rate of the nitrogen gas through the extinguishing agent discharge nozzle Cleaning washer. The method of claim 3,
And a fire detector for detecting the fire when a fire occurs in the drum,
Wherein when the fire is detected by the fire detector, the extinguishing agent control valve is opened and the nitrogen gas is discharged through the extinguishing agent discharge nozzle. The method according to claim 1,
The duct includes a layer partition plate horizontally disposed to divide the first and second layers into an inner space and a duct having an inner opening vertically disposed at an inner rear end of the layer partition plate so as to pass through the first and second layers, A liquid receiving plate which is recessed on a lower surface of the inner opening and which protrudes downwardly from an inner side surface of the layer separating plate so as to block the liquid that has passed through the condenser in the exhaust gas to be introduced into the liquid receiving plate Further comprising a first blocking wall and a second blocking wall protruding upward from the rear end of the layer partition plate to block the liquid contained in the exhaust gas flowing into the two layers to allow the liquid to flow into the receiving plate,
An oil-water separator for separating the liquid volatile cleaning solvent and the water collected on the receiving plate without mixing with each other; And
And a cleaning solvent tank into which liquid volatile cleaning solvent separated from water is introduced by the water-oil separator,
And the exhaust gas passing through the condenser flows into the hot air generator. delete The method according to claim 1,
The duct includes a layer partition plate horizontally disposed to divide the first and second layers into an inner space and a duct having an inner opening vertically disposed at an inner rear end of the layer partition plate so as to pass through the first and second layers, A liquid receiving plate which is recessed on a lower surface of the inner opening and which protrudes downwardly from an inner side surface of the layer separating plate so as to block the liquid that has passed through the condenser in the exhaust gas to be introduced into the liquid receiving plate Further comprising a first blocking wall and a second blocking wall protruding upward from the rear end of the layer partition plate to block the liquid contained in the exhaust gas flowing into the two layers to allow the liquid to flow into the receiving plate,
And a plurality of liquid discharge slits arranged to be spaced apart from each other are formed in the second blocking wall. The method according to claim 1,
The duct includes a layer partition plate horizontally disposed to divide the first and second layers into an inner space and a duct having an inner opening vertically disposed at an inner rear end of the layer partition plate so as to pass through the first and second layers, A liquid receiving plate which is recessed on a lower surface of the inner opening and which protrudes downwardly from an inner side surface of the layer separating plate so as to block the liquid that has passed through the condenser in the exhaust gas to be introduced into the liquid receiving plate Further comprising a first blocking wall and a second blocking wall protruding upward from the rear end of the layer partition plate to block the liquid contained in the exhaust gas flowing into the two layers to allow the liquid to flow into the receiving plate,
The duct includes a third blocking wall disposed downstream of the hot air generator to prevent liquid contained in the hot air formed in the hot air generator from being discharged to the outside of the duct housing, and a third blocking wall disposed on the third blocking wall to be discharged to the outside of the duct housing. Further comprising a trench in which liquid that has not been collected falls and collects.

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