JP2002172295A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing machine capable of flocculating detergent constituents in drainage and easily discarding a captured aggregate, and preventing clogging of a filtering part. SOLUTION: In this washing machine having a purifier 36 for flocculating a detergent or dirt contained in washing drainage and capturing a generated aggregate 24, the filtering part 16 for capturing the aggregate 24 is removably mounted in an opening part of a bottomed tub 5 for covering the outer periphery of a washing basket 2 for putting in the wash.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine for removing detergent components and dirt contained in washing water after washing, and purifying and circulating the washing water.

[0002]

2. Description of the Related Art As a laundry detergent, a synthetic detergent containing an anionic synthetic surfactant such as sodium linear alkylbenzene sulfonate or alkyl sulfate as a washing component is generally used. Synthetic surfactants are less likely to be biodegraded by bacteria. For this reason, if it is discharged as domestic wastewater and flows into a sewage treatment plant, a river, or soil, it pollutes water quality by itself and damages microorganisms, thereby deteriorating the environment.

For this reason, various washing machines have been proposed which are provided with a purifying device for collecting detergent components from the washing water, and purify the washing water and discharge the same. As a purification method, a method of adsorbing a detergent with an adsorbent such as activated carbon is known. However, the purification by the adsorbent has a problem that the adsorbent is clogged and the capacity is saturated with a small amount of washing water, so that the number of maintenance steps and the cost are large.

[0004] In order to solve this problem, methods for coagulating and collecting a detergent are disclosed in JP-A-9-182896 and JP-A-10-118390. JP 9
In the method disclosed in JP-A-182896, a coagulant comprising a metal divalent chloride such as calcium chloride is added while circulating washing water used for washing. Detergent and dirt contained in the washing water are aggregated by the coagulant to form aggregates, and the aggregates are filtered by a filter unit such as a filter provided in the circulation path to purify the wash water. .

In the method disclosed in Japanese Patent Application Laid-Open No. Hei 10-118390, a treatment tank having an anode and a cathode is disposed in a drainage path of washing water. The washing water is electrolyzed in the treatment tub to generate metal cations, and the detergent and dirt aggregate to precipitate aggregates. Then, the aggregate is filtered by a filter unit such as a filter to purify the washing water.

[0006]

However, according to the above-mentioned conventional washing machine, the aggregate collected by the filtration unit contains water, and the water and the aggregate are separated when the aggregate is discarded. There is a need to. For this reason, there has been a problem that the disposal operation is complicated and the usability of the washing machine is poor. Further, in order to prevent the washing machine from becoming large, the size of the filtration unit cannot be too large. Therefore, there is a problem that the filtering unit is easily clogged by the collected aggregates, and the aggregates need to be frequently discarded.

[0007] It is an object of the present invention to provide a washing machine capable of coagulating detergent components in washing waste water and easily discarding the collected agglomerates. Another object of the present invention is to provide a washing machine capable of preventing a filter section for filtering aggregates from being blocked.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a bottomed cylindrical water tub, and a filter for collecting agglomerates formed by aggregating detergent or dirt contained in washing wastewater. And a purifying device for collecting the water, wherein the filtering unit is detachably attached to the water tank.

According to this configuration, the washing water is supplied to the water tub or the washing tub disposed in the water tub to perform the washing. When the washing is completed, the washing drainage flows into the cleaning device, where the detergent or dirt is agglomerated, and the agglomerated matter is collected by a filtration unit which is detachably installed in the water tank. Thereby, the washing wastewater is purified, and the washing water is reused. During the washing operation, the water tank vibrates, and the vibration is transmitted to the filter, and the aggregates collected in the filtration unit are drained. The drained aggregate is desorbed from the filtration unit and discarded.

Further, the present invention is characterized in that in the washing machine having the above structure, the filtering section is attached to an opening of the water tub. According to this configuration, the aggregates are collected by the filtration unit in a large area covering the opening of the water tank, and the collected aggregates can easily move on the filtration unit.

Further, the present invention is characterized in that in the washing machine having the above-mentioned structure, the water tank cover for preventing the washing water from scattering from the periphery of the water tank and the filtering section are formed by the same member.

[0012] The present invention also includes a bottomed cylindrical water tank, and a purifying device for collecting, by a filtration unit, an aggregate formed by aggregating the detergent or dirt contained in the washing wastewater. The filter unit is detachably provided so as to cover the upper part of the opening.

According to this configuration, the washing water is supplied to the water tub or the washing tub disposed in the water tub to perform the washing. When the washing is completed, the washing drainage flows into the cleaning device, where the detergent or dirt is agglomerated, and the agglomerated matter is collected in a wide area by a filter section detachably installed so as to cover above the opening of the water tank. Thereby, the washing wastewater is purified and the washing water is reused. The aggregate collected in the filtration unit is removed from the washing unit by removing the filtration unit and discarded.

The present invention also provides the washing machine having the above structure, further comprising an opening / closing door for opening and closing the upper part of the opening of the water tank.
The filter unit can be attached to the door. According to this configuration, when the opening / closing door is opened, the filtering unit is retracted from above the water tank together with the opening / closing door, and the laundry is taken in and out. When the opening / closing door is closed, the filtration unit is disposed above the opening of the water tank, and the aggregate is collected in a wide area.

Further, the present invention is characterized in that, in the washing machine having the above-described structure, a recess is provided substantially at the center of the filtering section. According to this configuration, the aggregates are collected in the concave portion by the vibration of the washing machine during the washing operation, and the disposal of the aggregates is facilitated.

Further, the present invention is characterized in that in the washing machine having the above structure, a washing tub is rotatably arranged in the water tub, and an air flow accompanying the rotation of the washing tub is brought into contact with the filtering section. And According to this configuration, for example, the air flow generated by the high-speed rotation of the washing tub at the time of dehydration comes into contact with the filtration unit, and the aggregate collected in the filtration unit is drained.

Further, the present invention is characterized in that in the washing machine having the above-mentioned structure, the filtering section is projected into the washing tub. According to this configuration, the airflow due to the rotation of the washing tub easily comes into contact with the filtration unit.

Further, the present invention is characterized in that in the washing machine having the above-mentioned structure, a mounting detector for detecting the mounting of the filtering unit is provided, and the operation of the washing machine is controlled based on a detection result of the mounting detector. I have. According to this configuration, when the filtration unit is detached, the start of the washing operation, the use of the cleaning device, and the like are restricted by the detection of the attachment detection unit.

Further, according to the present invention, in the washing machine having the above-described structure, an agglutinant detecting section for detecting an amount of agglutinated matter collected in the filtering section, and a notification is made according to a detection result of the agglomerated body detecting section. It is characterized by providing notification means. According to this configuration, when a predetermined amount or more of the aggregate is collected in the filtration unit, the aggregate is detected by the aggregate detection unit, and the notification unit notifies the disposal time of the aggregate.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side sectional view showing the washing machine of the first embodiment. Inside the washing machine 1, a bottomed water tank 5 is installed. A tub cover 23 is provided on the periphery of the tub 5 to prevent the washing water from scattering from inside the tub 5.

A bottomed cylindrical washing tub 2 into which laundry is put is rotatably arranged in the water tub 5. At the periphery of the washing tub 2, there is provided a fluid balancer 2 a for canceling the weight deviation in the washing tub 2. A pulsator 3 for generating a water flow in the washing tub 2 by rotation is disposed below the washing tub 2.

A pulsator 3 and a washing tub 2 are provided below the water tub 5.
The motor 4 is externally provided for switching between and rotating by a clutch (not shown). Outlet 5 on the bottom of the water tank 5
A drain pipe 35 for draining the washing water in the water tub 5 is led out through a. The drain pipe 35 communicates with the washing tub 2 through an outlet (not shown), and the washing water in the washing tub 2 is drained by opening the drain valve 6.

In the course of the drain pipe 35, the concentration sensor 1
7, and a purifying device 36 is connected via the three-way valve 20. The washing drainage from the washing tub 2 and the water tub 5 passes through a drain pipe 35, and the circulation pump 7
Is supplied to the purifying device 36 under pressure.

The circulation pump 7 has a first aspirator 1
0, a swirling agitating cylinder 11, and a second aspirator 14 are connected in series. The first and second aspirators 10 and 14 respectively mix the primary coagulant, the secondary coagulant and the washing wastewater. The swirling agitating cylinder 11 is configured to agitate the primary flocculant mixed by the first aspirator 10 to generate a primary aggregate. In addition, a concentration sensor 18
Is attached.

The first and second aspirators 10 and 14 have coagulant tanks 8 for storing primary and secondary coagulants, respectively.
12 are connected. The first and second aspirators 10 and 1 are discharged from the coagulant tanks 8 and 12 by discharge pumps 9 and 13.
4 is supplied with a primary and secondary flocculant. An air suction line 21 for supplying air to the second aspirator 14 branches between the coagulant tank 12 and the discharge pump 13.

The installation location of the air suction line 21 is not limited as long as air can be supplied to the second aspirator 14 simultaneously with the secondary coagulant. For example, it may be branched from between the second aspirator 14 and the discharge pump 13, or may be directly connected to the second aspirator 14.

The second aspirator 14 is connected to an aggregate growing module 15 for growing and expanding aggregates. A discharge unit 37 that discharges washing wastewater containing aggregates to the filtration unit 16 disposed on the water tub 5 is connected to the aggregate growth module 15 via a connection pipe 38. Connecting pipe 3
A density sensor 19 is arranged in the route 8.

The filtering portion 16 is detachably attached to the hook portion 23a of the water tank cover 23 by a locking portion 16a. It is more desirable to form the filtering part 16 and the water tank cover 23 from the same member so that they can be integrally attached to and detached from the water tank 5 because the number of parts can be reduced.

In the washing machine having the above-described structure, the washing operation is started when the filtering unit 16 is detached and the laundry is put into the washing tub 2 and the filtering unit 16 is attached. Locking part 1 of filtration part 16
6a is provided with a detachment detection sensor 28, and if the attachment of the filtration unit 16 is not detected, the washing operation cannot be started.

Thus, as described later, the purifying device 3
6 prevents the aggregates 24 aggregated from flowing into the washing tub 2. Further, when the attachment of the filtration unit 16 is not detected by the attachment / detachment detection sensor 28,
By switching the three-way valve 20, the inflow of the washing wastewater to the purification device 35 may be blocked, and the washing wastewater may be drained through the drain pipe 35.

When the washing operation is started, tap water is supplied into the washing tub 2 from a water inlet (not shown). When the water level reaches a predetermined level, the water supply is stopped, and the pulsator 3 is rotated by the drive of the motor 4 to perform the washing process. When a predetermined time has elapsed and the washing step is completed, the drain valve 6 is opened and the washing drainage flows out to the drain pipe 35. The washing tub 2 may be rotated at a high speed by the drive of the motor 4 so that the washing tub 2 overflows from a dewatering hole (not shown) provided in the fluid balancer 2a into the water tub 5 and the washing wastewater flows out to the drain pipe 35 from the drain port 5a.

By switching the three-way valve 20, the washing drainage is supplied to the circulation pump 7 and guided to the first aspirator 10. FIGS. 2A and 2B are diagrams showing details of the first aspirator 10 and the swirling agitating cylinder 11. FIG. 2A is a side cross-sectional view, and FIG. 2B is a cross-sectional view taken along line AA of FIG. 2A.

The primary flocculant stored in the flocculant tank 8 (see FIG. 1) is sucked into the first aspirator 10 from the negative pressure tube 10a. The primary flocculant and the washing wastewater are mixed in the first aspirator 10 and swirled through the inlet pipe 11a.
Introduced in 1. As shown in FIG.
a is provided in the tangential direction of the swirling agitating cylinder 11.

For this reason, the washing drainage and the primary coagulant introduced into the swirling agitating cylinder 11 are swirled and stirred in the direction of arrow F. As a result, a primary aggregate having a size of about several tens of μm is formed and guided to the outlet pipe 11b. The primary coagulant is
It suffices if the charge of the contaminant particles such as the surfactant in the washing wastewater can be neutralized and aggregated, and for example, polyaluminum chloride is preferable.

FIG. 3 is a side sectional view showing the second aspirator 14 and the aggregate growth module 15. Secondary flocculant and air suction line 2 stored in flocculant tank 12
Air sucked from 1 is sucked into the second aspirator 14 from the negative pressure pipe 14a. The air, the secondary coagulant and the washing wastewater are mixed in the second aspirator 14 and introduced into the aggregate growth module 15 through the inlet pipe 15a.

As shown in FIG. 2B, the inlet pipe 15a
Are provided in the tangential direction of the stirring chamber 15b. Therefore, the washing wastewater containing the primary agglomerate, the secondary aggregating agent, and the air is swirled and stirred in the stirring chamber 15b. As a result, the primary aggregates in the washing drainage further aggregate, and a secondary aggregate of about several hundred μm is formed and guided to the inlet above the swirling bubble mixing cylinder 15c. The secondary coagulant is preferably, for example, polyacrylamide, which acts as an adhesive and is adsorbed to coagulate the primary aggregates.

The swirling bubble mixing cylinder 15c is provided upright at the center of the stirring chamber 15b. Centrifugal force acts on the washing drainage by swirling in the stirring chamber 15b. Therefore, the air in the washing drainage is collected on the outer surface of the swirling bubble mixing cylinder 15c,
The secondary aggregates are collected on the outer periphery of the stirring chamber 15b and are separated from each other. Therefore, the air and the secondary aggregate are mixed by flowing the washing wastewater through the swirling bubble mixing cylinder 15c having the spiral fin 15d to retain the bubbles and further enlarge the secondary aggregate (hereinafter referred to as "tertiary aggregate"). Aggregates).

The shape of the spiral fin 15d is not particularly limited as long as the secondary aggregate and air can be efficiently mixed. For example, a plate having a size of about 1.5: 1 or 1: 1 with an aspect ratio of 180 ° may be twisted by 180 ° to form one cell, which may be shifted by 90 ° to connect a plurality of cells. Also, spiral fin 1
As the material of 5d, a metal or a synthetic resin can be used. In particular, a synthetic resin that can be easily formed by injection molding is desirable.

The washing wastewater containing the tertiary aggregates is discharged from the outlet of the swirling bubble mixing cylinder 15c to the expansion chamber 15e. In the expansion chamber 15e, the flow velocity of the fluid decreases. This gives 3
Prevents crushing of secondary aggregates by jets and promotes aggregation. Then, the purified washing wastewater (hereinafter referred to as “purified water”) and the tertiary aggregates are discharged from the outlet pipe 15f.

After the washing is completed, the drain valve 22 (see FIG. 1) is opened, and the washing wastewater in the aggregate growth module 15 is drained from the drain pipe 15g. Thereby, it is possible to prevent the germs in the aggregate growth module 15 from breeding and freezing. In addition, since the revolving stirring cylinder 11 (see FIG. 2) and the aggregate growth module 15 have a structure capable of stirring without using external power such as a motor, the purifying device 36 can be simplified and made compact.

In FIG. 1, the aggregate growth module 15
The washing wastewater flowing out of the discharge passage 37
From the filter section 16. The filtering section 16 is configured by attaching a filter section 16c made of polyester fiber or the like similar to a commercially available laundry net for clothes to a frame section 16b made of a resin molded product.

The washing wastewater passes through the filter section 16c to collect tertiary aggregates, and purified water is supplied into the washing tub 2. Since the filter portion 16c is formed to cover the opening of the washing tub 2, tertiary aggregates can be collected in a large area, and the occurrence of blockage of the filter portion 16 is suppressed, and the frequency of complicated aggregate waste disposal operations is reduced. Can be reduced. Therefore, usability of the washing machine can be improved.

When the purified water is stored in the washing tub 2, the pulsator 3 is rotated by the driving of the motor 4, and the rinsing step is performed. When a predetermined time has elapsed and the rinsing step has been completed, the drain valve 6 is opened, and the three-way valve 20 is switched to drain the washing drain through the drain pipe 35 to the outside. After the rinsing step, tap water may be supplied into the washing tub 2 to perform the finish rinsing step.

When the washing water in the washing tub 2 is drained, the washing tub 2 is rotated at a high speed by the drive of the motor 4 to perform a dehydration step. The washing water (purified water) in the washing tub 2 overflows from a dehydration hole (not shown) provided in the fluid balancer 2a into the water tub 5 by high-speed rotation, and flows out to the drain pipe 35 from the drain port 5a. Thereby, the laundry is dehydrated, and the washing operation is completed.

An aggregate detection switch 30 having a float 29 is provided above the filtration unit 16. When a predetermined amount or more of the aggregate 24 is deposited on the filter unit 16c, the aggregate 24 is detected by the aggregate detection switch 30 and is notified by a notification unit (not shown) including a buzzer, a light emitting lamp, and the like. As a result, the user attaches and detaches the filtration unit 16 and the aggregate 24 is discarded.

In the washing step, rinsing step and dehydrating step, the water tub 5 vibrates due to the rotation of the pulsator 4 and the washing tub 2. Since the filtration unit 16 is integrated with the water tank 5,
This vibration is transmitted to the filtration unit 16, and the tertiary aggregates collected by the filtration unit 16 vibrate. Since the filtration unit 16 is arranged in a large area above the water tank 5, the aggregates 24 can easily move on the filter 16c by vibration.

Therefore, the tertiary aggregate is easily drained, and the tertiary aggregate is dried. The tertiary agglomerates can be easily dried because they contain bubbles, and porous agglomerates are generated by drying. Therefore,
When the aggregate 24 is discarded, there is no need to separate it from water, and the disposal operation can be easily performed.

A concave portion 16 is provided substantially at the center of the filtering portion 16.
d is formed. The tertiary aggregate or the porous aggregate is collected in the recess 16d by the vibration transmitted to the filtration unit 16. For this reason, the disposal operation of the aggregate 24 can be made easier. In the dehydrating step, a swirling airflow is generated by the high-speed rotation of the washing tub 2. Since the recess 16d protrudes into the washing tub 2, this air current comes into contact with the tertiary aggregate in the recess 16d, and drying of the tertiary aggregate is promoted.

Further, the concentration sensors 17, 18, and 19 detect the concentration of the coagulant, the detergent and the like in the washing wastewater. The concentration sensor 17 measures the contamination in the washing wastewater from the washing tub 2 and the water tub 5 and the degree of contamination by the detergent. The concentration sensor 18 measures the concentration of the primary aggregate in the swirl-and-stirring cylinder 11. The concentration sensor 19 measures the degree of contamination of the purified water and the degree of contamination by the detergent. The operation of the discharge pumps 9 and 13 is controlled by calculation by a control unit (not shown) based on these detection results.

Next, FIG. 4 is a side sectional view showing a washing machine according to a second embodiment. For convenience of explanation, the same parts as those in the first embodiment shown in FIGS. 1 to 3 are denoted by the same reference numerals. The difference from the first embodiment is that the filtering unit 16 is
In that it can be attached to and detached from the opening / closing door 25 that opens and closes the upper part of the camera. Other configurations are the same as those of the first embodiment.

The opening / closing door 25 is pivotally supported on the main body of the washing machine 1 by a shaft portion 25a. A fitting portion 16e at one end of the filtering portion 16 is fitted to the shaft portion 25a, and the other end is locked by a locking portion 25b provided on the door 25. As a result, the filtering unit 16 can rotate integrally with the opening / closing door 25. When the laundry is put into the washing tub 2 and the opening and closing door 25 is closed, the stopper 1a provided on the main body of the washing machine 1 is provided.
As a result, the filtration unit 16 is positioned, and the washing operation is started.

As in the first embodiment, when the washing wastewater is coagulated by the purifying device 36, the tertiary coagulated material and the purified water are discharged from the discharge port 27 to the filtering section 16. The tertiary aggregates are collected and deposited by the filter unit 16c. The locking portion 25b of the opening / closing door 25 relatively weakly locks the filtering portion 16, and when a predetermined amount of the aggregate 24 is deposited on the filtering portion 16, the locking state is released by the weight.

Therefore, when the aggregates 24 are deposited on the filtration unit 16, the filtration unit 16 does not rotate when the washing operation is completed and the opening / closing door 25 is opened, and is installed on the main body side of the washing machine 1. Will remain. Then, the filtration unit 16 is removed from the rotating unit 25a, and the aggregate 24 is discarded.

According to the present embodiment, as in the first embodiment, the aggregate can be collected in a wide area, so that the occurrence of blockage of the filtration unit 16 is suppressed, and the frequency of complicated aggregate waste disposal is reduced. be able to. In addition, since the aggregate 24 can easily move on the filtration unit 16, the effect is lower than in the first embodiment. However, the aggregate 24 is drained by the vibration transmitted from the main body of the washing machine, and the aggregate 24 is removed. It can be dried and discarded. Further, when the amount of accumulated aggregates 24 is small, it is not necessary to attach / detach the filtration unit 16, and the operability of the washing machine 1 can be improved.

In the first and second embodiments, the washing machine for storing the washing water in the washing tub 2 has been described. The same effect can be obtained even in a washing machine in which water is stored and the washing step and the rinsing step are performed, and the washing tub 2 is rotated to drain water from the small holes to perform the dewatering step. Further, the same effect can be obtained even in a washing machine in which washing water is stored in the water tub 5, the washing step and the rinsing step are performed by the pulsator arranged in the water tub 5, and the dewatering step is performed by another dehydrating device. be able to.

The purifying device 36 is a purifying device in which a coagulant is added to coagulate the detergent components and dirt in the washing wastewater. However, the purifying device 36 electrolyzes the laundry wastewater to coagulate the detergent components and dirt. You may.

[0057]

According to the present invention, since the filtration unit is detachably installed in the water tank, the vibration of the water tank is transmitted to the filtration unit, and the aggregate collected in the filtration unit vibrates, and the aggregate is removed. It can be easily drained and dried. Therefore, it is not necessary to separate the aggregate from water at the time of disposal, and the disposal operation can be easily performed, and the usability can be improved.

Further, according to the present invention, since the filtering section is provided so as to cover the upper part of the opening of the water tank or the opening, the aggregate can be collected in a wide area, and the blocking of the filtering section can be prevented. Occurrence can be suppressed and the frequency of complicated aggregate disposal work can be reduced. In addition, the aggregate can easily move on the filtration unit, and the drying of the aggregate can be promoted.

Further, according to the present invention, since the water tank cover and the filtration unit are formed by the same member, the number of parts can be reduced.

Further, according to the present invention, since the filtration unit is attached to the opening / closing door, it is not necessary to detach and attach the filtration unit every time washing is performed, and the usability of the washing machine can be improved.

Further, according to the present invention, since the concave portion is provided substantially at the center of the filter portion, the aggregates are collected in the concave portions by the vibration transmitted to the filter portion, and the aggregate can be more easily disposed of. Can be. In addition, since the airflow generated by the high-speed rotation of the washing tub during the dehydration step is brought into contact with the filtration unit, drying of the aggregate can be promoted.
In addition, the airflow can be easily brought into contact with the aggregates by projecting the filtration unit into the washing tub.

Further, according to the present invention, the operation of the washing machine is controlled based on the detection result of the mounting detecting section for detecting the mounting of the filtering section, so that the aggregates aggregated by the cleaning device are prevented from flowing into the washing tub. can do.

Further, according to the present invention, the user can easily judge the disposal time of the aggregate by providing the aggregate detector and the notification means for detecting the amount of the collected aggregate,
Blockage of the filtration unit can be prevented.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a washing machine according to a first embodiment of the present invention.

FIG. 2 is a view showing a first aspirator and a swirling agitating cylinder of the washing machine according to the first embodiment of the present invention.

FIG. 3 is a side sectional view showing a second aspirator and an aggregate growth module of the washing machine according to the first embodiment of the present invention.

FIG. 4 is a side sectional view showing a washing machine according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Washing machine 2 Washing tub 3 Pulsator 4 Motor 5 Water tank 7 Circulating pump 8,12 Coagulant tank 9,13 Discharge pump 10 First aspirator 11 Rotating stirring cylinder 14 Second aspirator 15 Aggregate growth module 16 Filtration unit 16d recess 21 Air Inhalation line 25 Opening / closing door 28 Mounting detection switch 30 Aggregate detection switch 36 Purification device

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) D06F 39/08 331 B01D 35/14 102 F term (reference) 3B155 AA19 BA02 BA23 BA28 BB02 BB05 BB19 CA07 CB44 DA06 FE03 FE09 FE16 JB06 KA36 KA39 LB22 LC02 MA01 MA02 4D064 AA13 BG13 DD09 DD15

Claims (10)

[Claims] 1. A water tank having a bottomed cylindrical shape, and a purifying device for collecting an aggregate formed by aggregating detergent or dirt contained in washing waste water by a filtration unit, wherein the purifier is detachably attached to the water tub. A washing machine comprising the filtration unit. 2. The washing machine according to claim 1, wherein the filtering unit is attached to an opening of the water tub. 3. The washing machine according to claim 2, wherein the water tank cover for preventing the washing water from scattering from the periphery of the water tank and the filtering unit are formed of the same member. 4. A water tank having a bottomed cylindrical shape, and a purifying device for collecting an aggregate formed by aggregating the detergent or dirt contained in the washing wastewater by a filtration unit. A washing machine characterized in that the filter section is detachably provided so as to cover an upper part. 5. The washing machine according to claim 4, further comprising an opening / closing door for opening and closing the upper part of the opening of the water tub, wherein the filtering unit is attachable to the opening / closing door. 6. The washing machine according to claim 2, wherein a recess is provided substantially at the center of the filtering section. 7. A rotatable washing tub is provided in the water tub,
The washing machine according to any one of claims 1 to 6, wherein an air flow accompanying the rotation of the washing tub is brought into contact with the filtration unit. 8. The washing machine according to claim 7, wherein the filtering unit protrudes into the washing tub. 9. The washing machine according to claim 1, further comprising a mounting detector for detecting mounting of the filter, and controlling operation of the washing machine based on a detection result of the mounting detector. The washing machine described in Crab. 10. An agglomerate detection unit for detecting an amount of agglutinate collected in the filtration unit, and a notification unit for performing notification in accordance with a detection result of the agglutinate detection unit. The washing machine according to claim 1.