KR20080087523A - The recovery machine assembly of volatile orignic compound - Google Patents

Abstract

A solvent recovery assembly is provided to discharge air directly to the outside through a branched pipe when drying washed laundry and flow air into the solvent recovery assembly for eliminating toxic chemicals such as solvent when drying dry-cleaned laundry. A solvent recovery assembly comprises a solvent recovery device, a connecting pipe, a valve, and a decelerator(541). The connecting pipe is connected to an inlet of the solvent recovery device and has a branched pipe. The valve is installed on a point where the branched pipe is diverged. A passage of the valve is switched by a motor(540). The decelerator is installed on a rotating shaft of the motor.

Description

The recovery machine assembly of volatile orignic compound

1 is a structure diagram of a conventional solvent recoverer.

Figure 2 is a solvent recovery block block diagram according to a preferred embodiment of the present invention.

Figure 3 is a perspective view of a fiber filter according to a preferred embodiment of the present invention.

Figure 4 is an exploded perspective view of the fiber filter according to a preferred embodiment of the present invention.

Figure 5 is a cross-sectional view of the fiber filter according to a preferred embodiment of the present invention.

Figure 6 is a cross-sectional view of the fiber filter according to another embodiment of the present invention.

7 is a state diagram used in FIG.

8 is a perspective view of a valve according to a preferred embodiment of the present invention.

9 is a cross-sectional view of the valve of the present invention.

10 is a perspective view of a solvent recoverer according to a preferred embodiment of the present invention.

11 is a cross-sectional view of the secondary recoverer according to a preferred embodiment of the present invention.

** Description of symbols for the main parts of the drawing **

100: dryer 210: condenser

220: compressor 230: evaporator

231: refrigerant inlet tube 232: refrigerant outlet tube

240: expander 250: filter drier

260: recovery unit 261: auxiliary recovery unit

262: bend portion 263: filter

264: mist sprayer 265: drain

270: water cooling tube

300: connector 310: branch pipe

400: fiber filter 410: pipe portion

411: expansion part 412: guide blade

413: bend 414: slope

415: inlet 420: bottom

421, 422: drain 430: outlet

431, 432: filter portion 440: joint pipe

441, 441 ': outer tube 442: bend

443, 443 ': inner tube 451: spring

452: Plunger 453: outer cylinder

454: trap 460: oil / water separator

461: outlet 500: valve

510: entrance 520: exit 1

530: second exit 540: motor

541: reducer

543: control panel 544: insertion hole

545: jam hole

Korean Registered Room No. 416095

The present invention relates to a solvent recoverer assembly, and in particular, comprising a solvent recoverer, a connection pipe connected to the solvent recoverer inlet and provided with a branch pipe, and a valve installed at a branch point where the branch pipe branches. The valve is related to a solvent recoverer assembly which can be changed by a motor, and immediately discharged when washed with water and passed through a solvent recoverer when dry washed.

Conventional solvent dryers for laundry dryers are presented in Korean Registered Room No. 416095.

The solvent recoverer 20 includes an inlet 21, an aspirator 22, a casing 23, a cooler 24, a preheater 25, and an oil / water separator 26, to a degree comparable to that of a conventional cabinet type. It is compact.

The inlet 21 is located in the upper part of the casing 23 and induces the diffusion of discharged air from the dryer to promote the inflow into the cooling chamber 23a, and at the same time, the temperature drops even a little while temporarily staying there. The exhaust gas inlet 21a connected to the end of the exhaust gas duct of the dryer and the exhaust gas outlet connected to the inlet of the aspirator 22 are formed to smoothly vent the air by the aspirator 22. 21b). The planar area of the inlet 21 is made much larger than the cross-sectional area of the discharge duct connected to the outlet of the dryer, so that the discharged air is diffused as soon as it is introduced, the density is lowered and the temperature is lowered.

The aspirator 22 enters the inlet 21 and extracts the remaining gas to be blown into the cooling chamber of the casing 23. The inlet is connected to the outlet gas outlet 21b and the outlet is It is connected to the inlet of the cooling chamber side of the casing (23).

The casing 23 divides the inside into partitions 23c to serve as the cooling chamber 23a and the preheating chamber, and has a passage 23d extending the rear end of the partition 23c to allow the cold air of the cooling chamber 23a to move to the preheating chamber. The inlet 23e given to the front wall of the cooling chamber 23a is connected to the outlet of the drawer 22, and the exhaust port 23f given to the rear wall of the preheating chamber is connected to the laundry dryer through a separate duct or a hose. Is connected to the drain. The bottom of the cooling chamber 23a is inclined downward toward the partition 23c so that the condensate-containing condensed water that is condensed and collected falls to one side, and the drain port 23g is provided at the lowest point from the bottom to let the solvent-containing condensed water escape.

The cooler 24 cools the high-temperature exhaust gas flowing into the cooling chamber 23a to condense the solvent and the water, and the preheater 25 collects air in which the solvent-containing water is recovered from the cooling chamber 23a of the laundry dryer. Preheat to internal temperature level.

Oil-water separator 26 receives the solvent-containing condensed water flowing through the drain port (23g) of the cooling chamber (23a) is smaller than the water specific gravity is discharged to the solvent discharge port (26a) is discharged to the solvent outlet (26a) and the water drain ( 26b), is isomorphic to that known in the solvent recovery art.

Reference numeral 27, which is not described above, is used to inspect the inside of the solvent recoverer 20 and to collect the solvent recovered from the oil / water separator 26, and 28 indicates a pressure gauge for exhaust gas. do.

When the laundry is dried by solvent and hot air in the dryer, the solvent is volatilized and the internal air becomes hot and humid. The internal air is exhausted out of the dryer. Internal air discharged like this is called exhaust air. This exhaust air enters the inlet 21 through an unshown exhaust duct and inlet 21a connected to the outlet of the dryer. As the discharged air is introduced into the inlet 21 and diffused, the density is lowered and the temperature is slightly lowered.

The discharged air is forcibly sent to the cooling chamber 23a by the drawer 22. As the exhaust air is cooled by the cooler 24 as it exits the cooling chamber 23a, the solvent condenses and the moisture condenses. The solvent and the condensed water to be condensed fall to the bottom of the cooling chamber 23a and flow out to the drain port 23g. The solvent-containing condensed water discharged to the drain port 23g is sent to the oil / water separator 26 to separate the solvent and the water.

Such a conventional recovery device may be connected and used only for a dry washing machine, and when installed in a dry and washing machine, there is a problem in that air is passed through the recovery device even when the washing machine is used for washing.

 The present invention has been made in order to solve the above problems, and comprises a solvent recovery device, a connection pipe connected to the solvent recovery device inlet and provided with a branch pipe, and a valve installed at the branch point where the branch pipe is branched. However, the valve is changed by the motor, the flow path is changed by the motor, immediately discharged when washing the water and the solvent recovery when dry washing at the same time using the motor to provide a solvent recovery assembly that can be easily changed the flow path. have.

Solvent recovery assembly of the present invention for achieving the above object, including a solvent recovery device, a connecting pipe connected to the solvent recovery inlet and provided with a branch pipe, and a valve installed at the branch point where the branch pipe is branched; It is made, the valve is characterized in that the flow path is changed by the motor.

According to this configuration, there is an advantage that the flow path can be easily changed by using a motor while discharging immediately during water washing and passing through a solvent recovery machine during dry washing.

The reduction shaft is provided in the rotating shaft of the motor, and the flow path can be easily changed even with a small power.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

For reference, among the configurations of the present invention to be described below, the same configuration as the prior art will be referred to the above-described prior art, and a detailed description thereof will be omitted.

Figure 2 is a block diagram of a solvent recoverer according to a preferred embodiment of the present invention, Figure 3 is a perspective view of a fiber filter according to a preferred embodiment of the present invention, Figure 4 is an exploded perspective view of a fiber filter according to a preferred embodiment of the present invention, Figure 5 is a cross-sectional view of the fiber filter according to a preferred embodiment of the present invention, Figure 6 is a cross-sectional view of the fiber filter according to another embodiment of the present invention, Figure 7 is a state diagram of Figure 6, Figure 8 is a preferred embodiment of the present invention 9 is a perspective view of a valve according to an embodiment, FIG. 9 is a cross-sectional view of a valve of the present invention, FIG. 10 is a perspective view of a solvent recoverer according to a preferred embodiment of the present invention, and FIG. 11 is a cross-sectional view of an auxiliary recoverer according to a preferred embodiment of the present invention.

As shown in Figures 2 to 11, the solvent recoverer assembly of the present embodiment, a solvent recoverer, a connecting pipe 300 connected to the solvent recoverer inlet and provided with a branch pipe 310, and the branch pipe ( It comprises a valve 500 is installed at the branch point 310 is branched.

The solvent recovery unit is an evaporator for recovering the recovery unit 260, the condenser 210, the expander 240 connected to the condenser 210, and the expander 240 to cool the recovery unit 260 ( 230, a compressor 220 connected to the evaporator 230, and a water cooling tube 270 cooled by the evaporator 230 to cool the condenser 210.

Furthermore, the solvent recovery device may be modularized with a support frame 280.

As shown in FIG. 10, the support frame 280 includes a rectangular upper frame and a lower frame and a connection frame installed in the vertical direction outside the upper frame and the lower frame and a split frame installed in the width direction of the upper frame. Include.

The recovery unit 260 condenses the introduced air to recover the organic solvent contained in the air.

The recovery part 260 is formed in a rectangular parallelepiped shape and is disposed in front of the divided frame of the support frame 280.

The recovery unit 260 and the cooling unit (condenser, compressor, etc.) are divided by the split frame.

One side of the recovery part 260 is formed through the inlet, and the other side is formed through the outlet.

An auxiliary recovery unit 261 is provided at the outlet of the recovery unit 260.

The auxiliary recovery unit 261 recovers the solvent that is not condensed by the evaporator 230 in duplicate.

The auxiliary recovery part 261 is formed in a tubular shape, and a bent part 262 is bent upwardly downstream.

The mist injector 264 which injects mist into the auxiliary recovery part 261 is provided below the auxiliary recovery part 261.

The plate-shaped separator 263 is installed at the upper end of the bent portion 262. The separation membrane 263 is formed such that air is passed through and mist is not passed through.

For example, the separation membrane 263 is provided with two plates, and the two plates are installed on the inner wall of the bent portion 262 to be spaced apart from each other in the vertical direction.

In addition, the two plates are formed in a semicircular shape, so that air passes through the space between the two plates and the mist is blocked by the two plates and is not discharged.

A drain hole 265 is formed in the lower portion of the auxiliary recovery part 261 to be disposed between the mist sprayer 264 and the separation membrane 263.

Due to this configuration, the air and the mist introduced into the auxiliary recovery unit 261 are mixed, and the solvent contained in the air is freely dropped along the inner wall of the auxiliary recovery unit 261 together with the mist and discharged to the drain 265.

Here, the mist is discharged to the drain 265 without exiting the auxiliary recovery unit 261 due to the separator 263.

The condenser 210 condenses the refrigerant and is connected to the expander 240.

The condenser 210 is provided in a double tube or plate shape.

Since the double-pipe condenser is presented in Korean Registered Room No. 363033, details thereof will be referred to.

Since the plate condenser is presented in Korean Patent Laid-Open Publication No. 1999-026939, details thereof will be referred to.

The expander 240 may be provided as a capillary tube or a thermal expansion valve, and the two expanders 240 may be arranged in parallel.

The filter drier 250 is installed between the expander 240 and the condenser 210.

One filter dryer 250 is provided so that the pipes connected to the two expanders 240 are joined at the front of the filter dryer 250.

The evaporator 230 is connected to the expander 240 to cool the recovery unit 260.

Preferably, the evaporator 230 is disposed inside the recovery unit 260.

Evaporator 230 is provided with two in the shape of a radiator, it is connected to each expander 240 through the refrigerant inlet pipe 231.

Refrigerant outlet pipes 232 are connected to the two evaporators 230, respectively, and the two refrigerant outlet pipes 232 are joined to the compressor 220. That is, compressor 220 is connected to evaporator 230.

The water cooling tube 270 is cooled by the evaporator 230 to cool the condenser 210.

One end of the water cooling tube 270 is disposed to be close to the evaporator 230, and the other end thereof is close to the condenser 210.

In this embodiment, one end of the water cooling tube 270 passes through the recovery unit 260 and is disposed close to the evaporator 230, and a part of the water cooling tube 270 is disposed inside the recovery unit 260.

The water cooling tube 270 may be provided with a heat exchanger disposed inside the recovery unit 260, so that heat exchange between the water inside the water cooling tube 270 and the evaporator 230 may be more effective.

Further, the water cooling pipe 270 is provided with a pump and a water tank to facilitate the flow of cooling water.

On the other hand, the gas in the tube is to decrease the flow rate to decrease the cooling capacity, as described above of the gas-liquid separator to separate and remove the gas present in the water cooling tube 270 through a reservoir disposed in the middle of the water cooling tube (270) Play a role.

Due to this configuration, the solvent recovery unit is a condenser 210 is cooled by the cooling water of the water cooling tube 270 cooled by using the remaining heat of the evaporator 230 for recovering the solvent, the fibers and fine particles floating like a laundry Even when the dust is used in many places, the cooling fan is not used to prevent the dust from flowing into the device, and the cooling fan prevents the dust from floating further in the laundry, and the remaining heat of the evaporator 230 is prevented. By cooling the condenser 210 using the energy efficiency can also be increased, the noise due to the fan is eliminated.

The connecting pipe 300 is connected to the inlet of the recovery unit 260 is provided with a branch pipe (310).

At the end of the connection pipe 300, a dryer 100 capable of washing the water and drying the dry laundry is installed.

The valve 500 is installed at a branch point where the branch pipe 310 branches, and connects the dryer 100 and the recovery unit 260 or connects the dryer 100 and the branch pipe 310.

As described above, the valve 500 is provided, and when the laundry is dried in the dryer 100, since no harmful substances are contained in the outflowing air, the valve 500 is immediately discharged through the branch pipe 310, and the laundry is dried in the dryer 100. At the time of drying, since the effluent contains harmful substances such as solvent, the air is discharged through the solvent recoverer. Therefore, the solvent recovery device can be selectively used only when the dry laundry is dried.

The valve 500 automatically changes the flow path by the motor 540.

The valve 500 has an inlet 510 connected to the dryer 100 at the valve housing, a first outlet 520 connected to the inlet 510 and connected to the branch pipe 310, and an inlet 520. Is formed to communicate with the second outlet 530 connected to the recovery part 260 side.

Flanges are formed at ends of the inlet 510, the first outlet 520, and the second outlet 530, respectively.

Inside the valve housing, a square plate-shaped adjustment plate 543 is rotatably installed.

One end of the adjustment plate 543 is formed by penetrating the circular insertion hole 544 in the vertical direction, the engaging hole 545 of the long hole shape is formed to communicate with the insertion hole (544).

In this way, the engaging hole 545 is formed, and the rotation shaft of the adjustment plate 543 and the motor 540 is connected to the shaft.

The valve housing inner wall is provided with a seating groove 501 in which the control plate 543 is seated so as to be disposed at both sides of the inlet 510.

In the seating groove 501, an inclined surface is formed on a surface facing the end of the adjusting plate 543, so that the rotating adjusting plate 543 may be stably seated.

The motor 540 is installed to be close to a surface connecting the first outlet 520 and the second outlet 530 in the valve housing.

The motor 540 is installed on the upper side of the valve housing, the reduction gear 541 is installed on the rotation shaft.

In order to install the reducer 541, protrusions are formed on both sides of the motor 540 at the upper part of the valve housing.

Both sides of the motor 540 are fixed to the protrusion, and the motor 540 is spaced apart from the valve housing due to the protrusion so that the speed reducer 541 is disposed between the motor 540 and the valve housing.

Due to such a reducer 541, even if the rotating shaft of the motor 540 is rotated at a high speed, the speed is reduced by the reducer 541 and the force is increased to easily rotate the control plate 543 even with a small power have.

The fiber filter 400 is installed between the valve 500 and the recovery part 260, and the pipe part 410 having the inlet 415 formed thereon, and the bottom part 420 installed at the bottom of the pipe part 410. It is made to include.

An expansion pipe portion 411 having a larger cross-sectional area than the cross-sectional area of the inlet opening 415 is formed below the inlet opening 415 that is the lower portion of the pipe section 410.

Expansion portion 411 and the inlet 415 is connected by the inclined surface 414, the cross-sectional area is larger toward the bottom.

On the inner wall of the inlet 415, the guide blade 412 is installed to be inclined along the circumferential direction.

In detail, the plurality of guide blades 412 are installed along the circumferential direction to be spaced apart from each other.

Guide blade 412 is inclined so that the inclination is 30 ° ~ 60 °.

The lower edge portion of the guide blade 412 may be formed to the bent portion 413 to minimize the friction.

The guide blade 412 as described above guides the air flowing into the inlet 415 to the expansion tube 411 effectively, and at the same time allows more efficient turbulence.

The outlet 430 is installed at the bottom 420, and the outlet 430 is disposed in the expansion pipe 411.

A drain 422 is formed at the bottom 420 to be disposed inside the outlet 430, and a drain 421 is formed to be disposed outside the outlet 430.

Due to the drains 421 and 422, the condensate containing the solvent collected at the bottom 420 is discharged.

The outlet 430 is formed in a tubular shape so as to protrude from the top of the bottom 420, the filter portion 431, 432 such as a screen filter is installed on the top.

The filter parts 431 and 432 are provided with SUS 80 to 200 mesh (clear opening: 0.175 to 0.074 mm) and are installed in an up and down direction on the outer surface of the outlet 430, and are also installed on the top of the outlet 430.

As such, the filter units 431 and 432 are installed to effectively filter foreign matter such as long fibers that float along the turbulent flow without direction. In addition, the filter unit 432 is also formed on the upper end of the air passes through the filter unit 431 on the outer surface and passes through the filter unit 432 of the upper end has the effect of filtering twice.

The filter 400 further includes a joint pipe 440 connected to the inlet 415, wherein the joint pipe 440 is an outer pipe 441 and an inner pipe 443 disposed inside the outer pipe 441. It includes.

The outer tube 441 is formed with a bent portion 442 connected to the inlet 415.

The inner tube 443 is smaller than the cross-sectional area of the outer tube 441 and is installed to penetrate the bent portion 442. Accordingly, the outlet side of the inner tube 443 protrudes outward from the bent portion 442.

Unlike the foregoing, the bent portion may be formed in the inner tube 443 'and the outer tube 441' may be formed as a straight tube.

The inner tube 443 is formed longer to protrude than the bent portion 442, the inlet side of the inner tube 443 is connected to the outlet 430.

The inlet side of the fitting pipe 440 is connected to the connecting pipe 300, the outlet side of the inner pipe 443 is connected to the inlet of the recovery portion 260.

Due to the fitting pipe 440, the condensate containing the solvent generated during the filtering process is collected in the bottom portion 420, the filtered air has an advantage that is discharged through the inner pipe 443.

Furthermore, opening and closing means for automatically opening and closing by the pressure inside the filter 400 may be installed in the drain 421 of the bottom part 420.

A second drain 455 is formed below the bottom 420 to communicate with the two drains 421 and 422.

The opening and closing means are disposed inside the plunger 451 and the plunger 451 having the locking jaw formed at the bottom thereof, and an outer cylinder disposed between the plunger 451 and the spring 451 for returning the plunger 451. (453).

The plunger 451 is inserted into the drain port 421 so as to be slidable.

The outer cylinder 453 is installed in the second drain 455, the flange is formed on the upper end of the outer cylinder (453) is caught.

Outer holes are formed on the outer circumferential surfaces of the outer cylinder 453 and the plunger 451 to allow the condensate containing the solvent to pass therethrough.

When the pressure caused by the air entering the filter 400 is greater than the elastic force of the spring 451, the opening and closing means automatically presses the plunger 451 to automatically block the drain 421 and the air into the filter 400. When is not introduced, that is, when the filter 400 is not used, the position of the plunger 451 is returned by the elastic force of the spring 451, the drain port 421 is opened to discharge the condensate.

Due to such opening and closing means can automatically open and close the opening and closing means without a separate power, and when the filter 400 is used, the opening and closing means to close the drain port 421 to prevent the pressure loss.

The oil and water separator 460 for separating the discharged condensate is connected to the second drain 455.

Pressure P 'by the weight of the liquid due to the height difference between the pressure P of the air entering the filter 400 between the second drain 455 of the filter 400 and the inlet 462 of the oil / water separator 460. Inlet 462 should be formed to be larger than).

In addition, it is preferable to form a trap 454 between the second drain port 455 and the inlet port 462 to prevent the liquid from flowing back when there is no pressure P of the air entering the filter 400.

Due to the trap 454, the condensate remains inside the trap 454, and the remaining condensate prevents the pressure loss of the filter 400 by completely blocking the pipe connected to the second drain 455. Can be.

An outlet 461 is formed at an upper portion of the oil / water separator 460 to return air transferred from the filter 400 to the recovery unit 260.

The operation of this embodiment having the above-described configuration will be described below.

When the washing water is dried in the drier 100, the valve 500 operates the motor 540 to rotate the control plate 543 so that the inlet 510 and the first outlet 520 communicate with each other to provide air to the branch pipe 310. Is discharged to the outside. In addition, when the dry laundry is dried, the motor 540 is operated so that the control plate 543 is reversely rotated so that the inlet 510 and the second outlet 520 communicate with each other so that the air moves to the recovery unit 260.

The air passing through the second outlet 520 is transferred through the connecting pipe 300 and introduced into the outer pipe 441 of the fitting pipe 440. The introduced air is transported to the pipe 410 of the filter 400 and then introduced into the expansion pipe 411 to form turbulence, and foreign substances such as fibers moving along the turbulence are filtered by the filter units 431 and 432. And then flows into the recovery part 260 through the inner tube 443.

On the other hand, in the present embodiment, the filter 400 is installed in the recovery device as an example, the filter 400 of the present invention can be used in various devices for filtering the fibers.

The high-temperature exhaust gas introduced into the recovery unit 260 is condensed by the evaporator 230 to recover solvents such as solvents, and while the secondary recovery unit 261 passes through the secondary recovery unit 261 at the outlet of the recovery unit 260. It is recovered.

Here, the air in the recovery unit 260 is cooled by the evaporator 230, and the heat exchanger is cooled by the cooled air, so that the water in the water cooling tube 270 is cooled to cool the condenser 210.

The cooling water cooling the condenser 210 is transferred to the heat exchanger again and cooled by the evaporator 230.

In this way, the air passing through the recovery unit 260 is discharged to the outside.

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art various modifications or variations of the present invention without departing from the spirit and scope of the invention described in the claims below Can be carried out.

According to the solvent recoverer assembly of the present invention as described above, there are the following effects.

And a solvent recovery device, a connection pipe connected to the solvent recovery device inlet and provided with a branch pipe, and a valve installed at a branch point where the branch pipe branches, wherein the valve has a flow path changed by a motor, It can be easily discharged during washing and solvent cleaning during dry washing, and the flow can be easily changed by using a motor.

The reduction shaft is provided in the rotating shaft of the motor, and the flow path can be easily changed even with a small power.

Claims (2)

Solvent recovery machine; A connecting pipe connected to the solvent recovery part and provided with a branch pipe; It includes a valve installed at the branch point where the branch pipe is branched, The valve is a solvent recovery assembly, characterized in that the flow path is changed by the motor. The method of claim 1, Solvent recovery assembly, characterized in that the reduction gear is installed on the rotating shaft of the motor.

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