JP2007029878A - Fixed washing method of continuous washing machine, and continuous washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic washing technique of a washing vessel in a CPI type continuous washing machine. <P>SOLUTION: A method for automatically washing the inner part of the washing vessel comprises: charging a cleaning liquid which is the mixture of a detergent, an alkali agent and a chelating agent at a predetermined concentration into the washing vessel delimited in an outer unit up to a high liquid level; setting a temperature in the washing vessel at about 80-90°C by supplying an external steam into each washing vessel through a steam inlet, rotating or turning counterclockwise a scooping shovel 30 for about 2-3 hours at such a velocity that a G not greater than 1 G is generated, charging a water of the ambient temperature to the high liquid level after discharging the cleaning solution, and rotating or turning counterclockwise the scooping shovel 30 for about 1 hour or more at such a velocity that a G not greater than 1 G is generated. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a continuous washing machine capable of continuously washing in a plurality of bathtubs in which objects to be cleaned are arranged in parallel, and in particular, a CIP (stationary washing) type continuous machine capable of automatically washing the inside of a bathtub. The present invention relates to a washing machine washing method.

In general, a continuous washing machine performs washing continuously while moving the objects to be washed between the pre-washing / main-washing / rinsing bathtubs. The literature is mentioned.
To explain this, a continuous washing machine according to the prior art has an elongated outer housing having an inlet and an outlet at both ends, and a side wall that divides at least a lower part into each bathtub portion, and a plurality of the outer washing housings disposed and connected to the outer housing. An inner housing having a plurality of drums, and rotating the inner housing so that the objects to be washed in the bath are prewashed / mainly washed / rinsed in each bath, and the drums are disposed in each drum. It is configured to transfer from the upstream side to the downstream side by swinging the scoop shovel.
Japanese Patent Laid-Open No. 5-208175

  Although the technique described in the above-mentioned patent publication describes a technique for providing a continuous washing machine having a simple structure that can be manufactured at a low cost and can occupy a small area, consideration is given to cleaning the bathtub itself of the continuous washing machine. It was not.

  That is, in the conventional continuous washing machine, when cleaning the inner wall of the outer housing or the inside of the bathtub of the inner housing itself, a cleaning liquid containing a detergent for cleaning the apparatus is placed in the bathtub, and the laundry is washed. The inside of the bathtub is cleaned by swinging the inner housing and the rake shovel as in the case, but the cleaning liquid sways in the bathtub because the inner housing and the rake shovel swing only within a predetermined angle. There was a problem that the range that reached only the range and that the cleaning solution did not reach must be cleaned manually.

  An object of the present invention is to eliminate the inconvenience caused by the prior art, and to provide a cleaning method for a CPI-type continuous washing machine capable of performing automatic cleaning in a bathtub.

  In order to achieve the above object, the present invention performs washing while moving an object to be washed between bathtubs partitioned by a vertical wall in the outer unit by swinging an inner unit having a rake shovel in the outer unit. In the continuous washing machine, the scooping shovel is rotated at least to the top position of the outer unit at a speed at which G of 1 G or less is generated in the counterclockwise direction in a state where the cleaning liquid is put in the bathtub partitioned by a vertical wall in the bathtub The first feature is that automatic cleaning of the bathtub is performed by rotating and dropping the scooped cleaning liquid into the bathtub by the scoop shovel.

  According to the second aspect of the present invention, in the CPI system according to the above feature, cleaning is performed by setting the height of the weir in each tank so that the cleaning liquid has a higher water level than the water level at the time of washing the washing object. In the continuous washing machine, a steam inlet for supplying high-temperature steam is provided in the bathtub, and external steam is supplied into each bathtub unit from the steam inlet, so that the interior of the bathtub is about 80 to 90 degrees. The third feature is that the cleaning is performed in the state set in (1).

  Further, the present invention provides a continuous washing machine that performs washing while moving an item to be washed between bathtubs partitioned by a vertical wall in the outer unit by swinging an inner unit having a rake shovel in the outer unit. The weir of each tank is set so that the cleaning liquid is at a higher level than the level at the time of washing the washing object, a steam inlet for supplying high-temperature steam is provided in the bathtub, and the detergent, alkaline agent and chelate are installed in the bathtub A scrubbing agent mixed at a predetermined concentration is introduced to the high water level, and external steam is supplied into each bathtub unit from a steam inlet to set the interior of the bathtub to about 80 to 90 degrees. The shovel is continuously rotated for about 2 to 3 hours at a speed at which G of 1 G or less is generated in the counterclockwise direction, and the cleaning liquid is drained. , Normal temperature water is poured into the bathtub to the high water level, and the rake shovel is rotated or rotated at least at the apex position of the outer unit at a speed at which G of 1 G or less is generated in the counterclockwise direction for about 1 hour. The fourth feature is to perform automatic washing in the bathtub by rinsing.

  In the CPI cleaning method for a continuous washing machine according to the present invention, a cleaning liquid in which a detergent, an alkaline agent, and a chelating agent are mixed in a predetermined concentration in the bath is introduced to the high water level, and an external port is provided from the steam inlet. Steam is supplied into each bathtub unit, the inside of the bathtub is set to about 80 to 90 degrees, and the scooping shovel is rotated counterclockwise at a speed at which G of 1 G or less is generated for about 2 to 3 hours to drain the cleaning liquid. After that, normal temperature water is poured into the bathtub to the high water level, and the scooping shovel is rotated counterclockwise at a speed at which G of 1 G or less is generated for about 1 hour to clean the inside of the bathtub. it can.

  Hereinafter, a CPI type continuous washing machine according to an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a transverse sectional view of a CPI type continuous washing machine according to an embodiment of the present invention, and FIGS. 2 and 3 are longitudinal sectional views showing a section 2-2 in FIG.

  A continuous washing machine 20 shown in FIG. 1 has an outer housing 22 composed of a pair of housings that are arranged substantially in a line with their ends facing each other, and a pair of ends that are respectively supported in the outer housing 22. The inner housing 21, the chute 23 disposed on the right side of the outer housing 22 for loading the laundry before washing, and the left side of the outer housing 22 discharging the laundry after washing. A chute 24, and a transfer unit 25 for discharging the object to be cleaned discharged from the downstream end of the upstream inner housing between the pair of outer housings 22 to the upstream end of the downstream inner housing. Is provided.

  The inner housing 21 comprises a plurality of shortened cylindrical drums 26 which are connected to each other to provide a through-opening and a central inlet 27 and outlet 28 and an outer hole for connecting the end walls. Open wall 29 and a scoop shovel mounted in each drum 26 for transferring the object to be cleaned from the upstream side to the downstream side, and in the most downstream drum to transfer the object to be cleaned from the washer to the outlet. 30.

  The outer housing 22 includes a wall 33 that extends transversely across the lower part and divides it into a bath part for containing the liquid to be cleaned, which faces each other on the lower part of the adjacent drum. 2 is disposed along the longitudinal direction of the outer housing 22 so as to extend upward, so that when the bathtub portion is filled up to a height L shown in FIG. When it is swung in, the liquid (water or washing liquid) is circulated through the object to be cleaned in the lower part of the drum, so that the object to be cleaned is sequentially pre-washed / main-washed / rinsed.

  Each drum 26 is provided with a rake excavator 30 having a curved sheet having an edge 30A on one side fixed to the outer wall of the drum and an edge 30B on the other side having a space from the outer wall. The excavator 30 has an upper edge 30C connected to the inlet end wall at a slight distance below the inlet upper edge, and an outlet 30D whose lower wall 30D is close to the lower periphery of the outlet. It is connected to the end wall on the side. The upper part of the entrance edge 30C is closed by a wall 30E.

  As shown in FIG. 2, the drum 26 is swung alternately on both sides of the discharge or transfer position, as shown in FIG. 2, or the washing liquid or the like passes through the article to be washed in the lower part of the drum. After the cleaning cycle is completed, the object to be cleaned is moved to the next drum by rotating counterclockwise (in FIGS. 2 and 3). Transport. The counterclockwise direction is a counterclockwise rotation direction in FIG. 2 showing a cross section of the continuous washing machine in FIG. 1 taken along the line 2-2 as viewed from the sheet 23 on the washing object input side.

  When the object to be washed is transferred, the scooping excavator 30 scoops up the object to be washed at the bottom of the drum 26 from the position shown in FIG. 3 by the counterclockwise rotation of the drum, lifts the article to be washed to the position shown in FIG. This is an operation in which the object to be washed falls to the downstream drum by sliding down the inclined portion of the scoop shovel 30 or slips out of the washing machine in the case of the end drum.

Now, the CPI type continuous washing machine according to the present embodiment has the following mechanism in addition to the above-described configuration.
(1) Mechanism A in which there is a wall 33 that separates the bathtub, and there is a weir that can adjust the water level during washing of the items to be washed. The height is set so that this weir is moved to a high water level during cleaning.
(2) The scooping shovel 30 rotates or rotates counterclockwise at a speed at which G of 1 G or less is generated, and the scooping shovel 30 scoops up the cleaning liquid accumulated at the bottom of the bathtub by this rotation or rotation, and is indicated by the symbol A A mechanism B that cleans the interior of the bathtub by rotating more than the position reaching the top and dropping the cleaning liquid into the bathtub (the inner wall of the outer unit and the entire drum) by gravity.
This mechanism B is a drum rotating mechanism for rotating the scooping shovel 30 counterclockwise or rotating (reciprocating) 180 degrees to less than 360 degrees, scooping up the cleaning liquid accumulated in the bathtub, The dirt adhering to the inner wall of the bathtub can be removed by hitting it against the surface by gravity. The reason why the rotational speed is rotated or rotated at a speed at which G of 1 G or less is generated is that the cleaning liquid does not fall even if it reaches the apex position A due to centrifugal force at 1 G or more. The rotation is to move in both directions rotating in the clockwise direction after rotating in the counterclockwise direction.

(3) A mechanism C in which a steam inlet is provided from the outside for each outer unit, and external steam is supplied into each bathtub unit from the steam inlet.
(4) A level box mechanism D opened so that a cleaning solution is supplied from the outside for each outer unit.

The CPI-type continuous washing machine configured as described above operates as follows when cleaning the bathtub of the apparatus (the drum constituting the inner wall of the outer unit and the inner unit).
(a) A step of setting a high water level with a weir capable of adjusting the water level 24 in the water tank by the mechanism A.
(b) A step of introducing a cleaning liquid in which detergent / alkaline agent / chelating agent is mixed with water at a predetermined concentration from the level box D by the mechanism D to a higher water level than during washing.

(c) A step of raising the internal temperature of each bathtub to about 80 to 90 degrees by introducing high-temperature steam into the bathtub from the steam inlet by the mechanism C.
(d) With the configuration B, the scooping shovel 30 is rotated or rotated counterclockwise at a speed at which G of 1 G or less is generated, and the cleaning liquid accumulated at the bottom is scooped up by this rotation or rotation, and the scooping shovel 30 is at the top. The process of dropping the sucked cleaning liquid into the bathtub and rotating the inside of the bathtub by rotating to the position A or higher. This step (d) is preferably about 2-3 hours.

  (f) After the step e, the cleaning liquid is drained, room temperature water is supplied into each bathtub, and the rake shovel 30 is rotated counterclockwise at a speed at which G of 1 G or less is generated, A step of scooping up normal temperature water accumulated at the bottom by rotation and dropping the normal temperature water into the bathtub by rinsing the shovel 30 beyond the top position to rinse the cleaning liquid in the bathtub. This step (f) is preferably about 1 hour.

  As described above, the cleaning method of the CPI type continuous washing machine according to the present embodiment supplies a cleaning liquid mixed with a predetermined detergent in a state where the water level in each bathtub is raised to a higher water level than at the time of washing, and is about 80 by steam. In a state where the internal temperature is set to 90 to 90 degrees, the scooping shovel is rotated at a speed at which G of 1 G or less is generated in the counterclockwise direction, so that the scrub shovel 30 is heated to 1 G or less in the counterclockwise direction. Rotating at the speed at which G is generated, scooping up the cleaning liquid accumulated at the bottom by this rotation, and rotating the scooping shovel 30 beyond the position where it reached the apex, causing the cleaning liquid to fall by gravity and hit (tap) into the bathtub. After that, the inside of the bathtub is washed, and after that, the room temperature water is rotated in the same manner as described above by rotating the scooping shovel 30 counterclockwise at a speed at which G of 1 G or less is generated. The room temperature water accumulated in the bottom is scooped up, the room temperature water is dropped by gravity and applied to the bathtub by rotating or rotating beyond the position A where the scoop shovel 30 reaches the apex, and the bathtub is rinsed. Dirt adhering to the inside can be automatically cleaned.

The cross-sectional view of the continuous washing machine by one Embodiment of this invention. The longitudinal cross-sectional view of the continuous washing machine by this embodiment. The longitudinal cross-sectional view of the continuous washing machine by this embodiment.

Explanation of symbols

  20: CIP type continuous washing machine, 21: inner housing, 22: outer housing, 23: chute, 24: water level, 25: transfer section, 26: drum, 27: central inlet, 28: outlet, 29: perforation 30: rake shovel, 30A: edge, 30B: edge, 30C: edge, 30D: end wall, 30E: wall, 33: wall.

Claims (4)

A continuous washing machine that performs washing while moving an object to be washed between bathtubs partitioned by a vertical wall in the outer unit by swinging an inner unit having a rake shovel in the outer unit,
The scooping shovel is rotated or rotated at least to the apex position of the outer unit at a speed at which G of 1 G or less is generated in a counterclockwise direction in a state where the cleaning liquid is placed in a bathtub partitioned by a vertical wall in the bathtub, A CPI (fixed cleaning) system, wherein the scooping shovel drops the scooped cleaning liquid into the bath to automatically clean the bath.   2. The CPI (stationary cleaning) system according to claim 1, wherein the washing is performed by setting the height of the weir of each tank of the continuous washing machine to a high water level.   Washing is performed in a state where the interior of the bathtub is set to about 80 to 90 degrees by providing a steam inlet for supplying high-temperature steam in the bathtub and supplying external steam from the steam inlet into each bathtub unit. The CPI (stationary cleaning) system according to claim 1 or 2, characterized in that. A continuous washing machine that performs washing while moving an object to be washed between bathtubs partitioned by a vertical wall in the outer unit by swinging an inner unit having a rake shovel in the outer unit,
The cleaning liquid is set to be higher than the water level at the time of washing the washing object, and a steam inlet for supplying high-temperature steam is provided in the bathtub,
A cleaning liquid in which a detergent, an alkaline agent, and a chelating agent are mixed in a predetermined concentration in the bathtub is charged up to the high water level, and external steam is supplied into each bathtub unit from the steam inlet to approximately 80 Cleaning is carried out by continuously rotating or rotating the rake shovel at a speed at which G of 1 G or less occurs at least to the apex position of the outer unit for about 2 to 3 hours. In addition, after draining the cleaning liquid, normal temperature water is poured into the bathtub to the high water level, and the rake shovel is rotated or rotated at least to the apex position of the outer unit at a speed at which G of 1 G or less is generated counterclockwise. A CPI-type continuous washing machine characterized by performing automatic washing in the bathtub by rinsing for about 1 hour.

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