JPH04300517A - Supply device for solid detergent - Google Patents

Abstract

PURPOSE:To offer the detergent supply device by which a detergent solution having satisfactory solubility and sufficient concentration is obtained, and also, it does not take time for replacing a detergent, and a washing system which does not use a detergent vessel for causing environmental destruction can be realized. CONSTITUTION:The supply device for a solid detergent constitutes a characteristic feature of being a supply device for distributing the solid detergent into a washing tank, having a space for piling up and containing at least two pieces or more of solid detergents 3, generating a detergent water solution 10 by dissolving the detergent due to a fact that a bottom part of the solid detergent of the lowest stage which is contained is immersed into water or hot water which flows into the supply device, and being constituted so that its detergent water solution passes through an overflow port 8 provided on the side face of the supply device and is led into the washing tank.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention is applicable to dishwashers used in the food service industry such as restaurants, bottle washers for washing beer bottles, liquor bottles, etc., and plastic container washers used for washing plastic containers. This invention relates to a supply device for supplying a solid cleaning agent to, etc.

0002

[Prior art and problems to be solved by the invention] In recent years,
In the food service industry and food industry, the shortage of manpower is becoming more serious, and studies are underway to minimize the number of manpower and carry out work safely and efficiently. Furthermore, as environmental pollution caused by industrial waste and the like is attracting attention these days, there is a trend towards using equipment and products that do not emit pollution.

Automatic dishwashers have rapidly become popular in the restaurant industry as a means of solving the labor shortage. conventionally,
Previously, a cleaning worker took out the required amount of cleaning agent from a fiber drum containing about 50 kg of powdered cleaning agent and put it into the cleaning agent supply device.
Attempts were made to improve work efficiency and avoid danger to the human body.

One method is to supply liquid cleaning agent directly into the cleaning tank using a pump. Although this method is an improvement in that the cleaning agent does not come into direct contact with the human body, it has the disadvantage that a sufficient cleaning effect cannot be obtained because the active ingredients of the liquid cleaning agent are lower than that of the powdered cleaning agent. have.

[0005] There is also a cartridge type cleaner containing about 5 kg of powder cleaning agent in a container. This is a system in which a cleaning agent cartridge is loaded into a supply device, hot water is sprayed from the bottom of the supply device to dissolve the cleaning agent, and the dissolved solution is supplied to a cleaning tank. In this case, since it is a powdered cleaning agent, the amount of active ingredients is secured and sufficient cleaning performance can be expected, but there is a risk that the powdered cleaning agent will solidify in the container and cause insufficient dissolution of the cleaning agent.

Further, in Japanese Patent Publication No. 59-4480 and Japanese Patent Application Laid-Open No. 2-84500, a cartridge-type cleaning agent in which 4 to 5 kg of solid hydrated cleaning agent is poured and filled into a cleaning agent container has been devised. ing. In this solid hydrated cleaning agent cartridge, the cartridge is loaded into the supply device in the same way as the powder cleaning agent cartridge described above, hot water is jetted from the bottom of the supply device to dissolve the cleaning agent, and the dissolved liquid is supplied to the cleaning tank. method is taken. However, solid detergents have poor solubility, and there is a risk that the required amount of detergent may not be completely dissolved in a short period of time at the initial stage of supplying new detergent, resulting in insufficient concentration. Furthermore, there is also the problem that undissolved cleaning agent remains on the inner wall of the container.

On the other hand, in consideration of the burden on the operator, the weight of both the powder cleaning agent cartridge and the solid cleaning agent cartridge must be kept to about 5 kg or less at most. Therefore, frequent users may have to replace the cleaning agent cartridge several times a day.

[0008]Furthermore, since cartridge containers are usually made of plastic in consideration of durability and economic efficiency, there is also concern about environmental damage caused by plastics.

An object of the present invention is to provide a cleaning system that can obtain a cleaning agent solution with good solubility and sufficient concentration, that requires no effort to replace the cleaning agent, and that does not use a cleaning agent container that causes environmental damage. An object of the present invention is to provide a cleaning agent supply device for making this possible.

0010

[Means for Solving the Problems] The present inventors have completed the present invention as a result of intensive research to solve the above problems. The solid detergent supply device of the present invention is a supply device for distributing the solid detergent into a cleaning tank, and has a space for storing at least two or more solid detergents in a stacked manner.
When the bottom of the stored solid cleaning agent at the lowest level is immersed in the water or hot water that has flowed into the supply device, the cleaning agent is dissolved and a cleaning agent aqueous solution is generated, and the cleaning agent aqueous solution is poured onto the side of the supplying device. The cleaning tank is configured to be introduced into the cleaning tank through an overflow port provided in the cleaning tank.

The present invention will be explained in more detail below with reference to the accompanying drawings. FIG. 1 is a perspective view showing an example of the solid cleaning agent supply device of the present invention, and FIG. 2 is a sectional view thereof. Figure 3
1 is a perspective view showing an example of a solid cleaning agent used in the solid cleaning agent supply device of the present invention. The solid detergent in FIG. 3 is either exposed without packaging or fully wrapped with a water-soluble film.

Cleaning agent supply device 1 of the present invention shown in FIGS. 1 and 2
has a space in which at least two or more solid cleaning agents are stacked and stored, which is constructed by placing a basket 4 inside the dipping tank 6. At least two solid detergents 3, either unwrapped or fully wrapped with water-soluble film, are inserted into the basket 4 in the dipping tank 6 through the detergent inlet 9, with the a or c side facing downward. They are stacked and loaded.

In order to dissolve the loaded solid cleaning agent 3, water or hot water is introduced into the dipping tank 6 through the water supply pipe 5. The water or hot water introduced into the immersion tank 6 is filled into the immersion tank 6 until it reaches the position of the cleaning agent solution outlet 8 . Here, 7 is a steam vent hole. Among the solid detergents 3 loaded in the basket 4, 1 from the bottom of the lowest solid detergent
/4 to 1/2 of the volume is immersed in the water or hot water filled in the immersion tank 6, and the immersed part of the solid cleaning agent 3 is immersed in the swirl of water or hot water introduced from the water supply pipe 5. The concentrated cleaning agent solution 1 is dissolved in the immersion tank 6 by
0 and flows out from the cleaning agent solution outlet 8 into the cleaning tank by overflow.

[0014] The cleaning agent supply device of the present invention exhibits good solubility even when the temperature and pressure of the supplied water are low and the water pressure is low.
A concentrated cleaning agent solution can be sent into the cleaning tank in a short time, and the cleaning agent concentration in the cleaning tank can always be maintained at a predetermined concentration. Furthermore, the solid cleaning agent used in the present invention does not use a plastic container and is made of disposable paper,
It is preferable to use vinyl, vinyl-coated paper, or the like as a packaging material since it does not cause environmental damage.

[0015] Furthermore, in the conventional cartridge type, 1
However, with the cleaning agent supply device of the present invention, the solid cleaning agent is kept in the cartridge, and only one or two cleaning agent cartridges are used. Once you have finished using the solid detergent, you can load the solid detergent one after another, eliminating the hassle of replacing them. If the cleaning agent loading cylinder 2 is made transparent, the amount of cleaning agent used can be seen at a glance, making it easy to determine when to add cleaning agent. Furthermore, since the basket 4 prevents the solid cleaning agent from collapsing, there is no need to worry about clogging of the water supply pipe.

FIG. 4 is a perspective view showing another example of the solid cleaning agent supply device of the present invention, and FIG. 5 is a sectional view thereof. In this method of dissolving and supplying a solid detergent using a detergent supply device, the packaging of the solid detergent is removed within the supply device, and the loaded solid detergent is dissolved and supplied by spraying or dipping. FIG. 6 is a perspective view showing a solid cleaning agent used in this method. The solid cleaning agent shown in FIG. 6 is completely wrapped with a water-insoluble film or wrapping paper.

In this type of cleaning agent supplying device 1 of the present invention, a column 11 is provided at the bottom of the supplying device, and a cylindrical cleaning agent 3 having a center hole is inserted and loaded into this column 11. That is, the solid cleaning agent 3, which is entirely wrapped with a water-insoluble film or wrapping paper, is placed so that the a or c side faces downward, and the support 11 in the supply device is inserted into the hollow portion d of the solid cleaning agent 3. Then, the cleaning agent is loaded into the supply device through the cleaning agent inlet 9. When inserted, the cleaning agent wrapper or film is attached to the post 11
By being inserted into the solid cleaning agent 3, a portion is torn, and by pulling the wrapping paper or film upward, the crack widens and is removed from the solid cleaning agent 3. At this time, the solid cleaning agent 3 is applied to the movable claw 12 attached to the support 11.
After the wrapping paper or film is removed, it sinks downward due to its own weight and/or the weight of the solid detergent stacked on top and is loaded into the basket 4.

In order to dissolve the loaded solid cleaning agent 3, water or hot water is injected from a horizontal spray nozzle 13 attached to the tip of the water supply pipe through the water supply pipe 5 to fill the immersion tank 6. The solid cleaning agent 3 at the bottom of the basket 4 is dissolved by spraying from the spray nozzle 13 and being immersed in water or hot water filled in the immersion tank 6.
The concentrated cleaning solution 10 is discharged from the cleaning solution outlet 8 into the cleaning tank by overflow.

In this method, the solid cleaning agent 3 can be removed by a simple operation of inserting and pulling the disposable packaging material surrounding the support 11, and the solid cleaning agent 3 can be removed after entering the supply device 1. Since the solid cleaning agent is exposed, there is no risk of direct contact with the human body during the operation of removing the solid cleaning agent. Many of the cleaning agents used in the restaurant and food industries contain high concentrations of sodium hydroxide and potassium hydroxide, and handling safety must be ensured, but this method Very safe. Furthermore, by using both spraying and dipping, the dissolution of the solid cleaning agent can be accelerated, and the concentration of the cleaning agent in the cleaning tank can be brought to a predetermined concentration in a short time.

FIG. 7 is a perspective view showing still another example of the solid cleaning agent supply device of the present invention, and FIG. 8 is a sectional view thereof. After being rolled and loaded, the solid cleaning agent is dissolved and supplied by spraying or dipping. The solid cleaning agent used in this method may be any of the cleaning agents shown in FIG. 3 or 6.

In this method, the solid detergents 3, which are either unpackaged or packaged with a water-soluble film, are stacked and loaded into the basket 4 in the dipping tank 6 through the detergent inlet 9 with the b side facing downward. be done. The loaded solid cleaning agent 3 is dissolved by water or hot water sprayed from a spray nozzle 13 attached to the side of the immersion tank 6, and becomes a concentrated cleaning agent solution 10, which is then overflowed from the cleaning agent solution outlet 8. It is drained into the cleaning tank.

[0022] In this method, the upper surface (a side) of the solid detergent
There is no need to grab and load it, and you can load it while supporting it by sandwiching the A and C sides, making it easy to load. solid detergent a
The distance between the surface and the c-plane is preferably 15 cm or less, and 7 to 10 cm is the easiest to pinch. Moreover, the weight of one piece is preferably 3 kg or less, preferably 2 kg or less.

[0023] Preferred solid detergents (having good solubility) used in the solid detergent supply device of the present invention are:
Alkali hydroxide such as sodium hydroxide and potassium hydroxide 10 to 50% by weight (preferably 25 to 45% by weight),
Surfactant 0.1-10% by weight (preferably 0.5
-3% by weight), 10-55% by weight (preferably 20-40%) of sequestering agent, and 5-40% by weight of water (
preferably 10 to 25% by weight).

The above surfactants that can be used include polyoxyethylene-polyoxypropylene condensates,
Low-foaming surfactants such as polyoxyethylene-polyoxypropylene condensates of ethylene diamine, phosphoric acid esters, polyoxyethylene-polyoxypropylene alkyl ethers, non-ionic surfactants such as polyoxyethylene alkyl ethers, polyoxyethylene alkyl phenyl ethers, etc. surfactants, anionic surfactants such as sodium alkylbenzene sulfonate, alcohol sulfate, polyoxyethylene alkyl ether sulfate, and α-olefin sulfonate, amphoteric surfactants such as imidazoline, alanine, and betaine; Examples include cationic surfactants such as grade ammonium salts.

Among these, it is preferable to use a low-foaming surfactant. If the surfactant content is less than 0.1% by weight, no effect contributing to cleaning can be obtained, and if it exceeds 10% by weight, the surfactant will not be uniformly dispersed and the cleaning effect will also be reduced.

[0026] As the metal ion sequestering agent of the solid detergent of the present invention, sodium phosphates such as sodium tripolyphosphate, sodium phosphate, sodium trimetaphosphate, sodium metaphosphate, sodium orthophosphate, and sodium pyrophosphate, and potassium phosphate can be used. , potassium trimetaphosphate, potassium metaphosphate, potassium orthophosphate, and other potassium phosphates, and particularly preferred is sodium tripolyphosphate.

Furthermore, polymeric chelating agents such as polysodium acrylate, styrene-sodium maleic anhydride copolymer, ethylene-sodium maleic anhydride copolymer, methyl vinyl ether-sodium maleic anhydride copolymer,
Hydroxycarboxylic acid type chelating agents such as sodium citrate and sodium gluconate; aminocarboxylic acid type chelating agents such as ethylenediaminetetraacetate and nitrilotriacetate;
Chelating agents of the phosphonic acid type can be used.

Furthermore, the solid detergent of the present invention also contains silicates such as sodium metasilicate, carbonates such as soda carbonate, sulfates such as sodium sulfate, etc. as builders for improving detergency. Borates such as sodium borate can also be used.

Further, for the purpose of removing tea astringency and protein stains, chlorine-based oxidizing agents such as sodium hypochlorite and chlorinated sodium isocyanurate, and oxygen-based oxidizing agents such as sodium percarbonate and sodium perborate can be added.

[0030]

Effects of the Invention When the solid cleaning agent supplying device of the present invention shown in FIGS. A detergent solution is obtained. Further, the solid detergent can be used in any of the following forms: unwrapped and exposed, fully wrapped in a water-soluble film, or fully wrapped in a water-insoluble film or wrapping paper. Even in the last form of solid detergent, the packaging is removed when it is loaded into the dispensing device, eliminating the need to remove empty containers when loading new detergent, as with traditional cartridge-type detergents. be able to. Furthermore, environmental pollution caused by plastic containers can also be prevented. In addition, since the solid cleaning agent weighing 3 kg or less is stacked in two or more tiers for easy handling, there is no need to replace the cleaning agent cartridge with a new one as soon as it is empty, unlike cartridge-type systems, and you can use new cleaning agent at your leisure. Since it only needs to be loaded, it has the advantage of good workability and the ability to always maintain a constant cleaning agent concentration. Furthermore, by using the basket, the solid cleaning agent is prevented from collapsing, and there is no need to worry about clogging of the water supply pipe.

Further, when the solid cleaning agent supply device of the present invention shown in FIGS. 4 and 5 and the donut-shaped solid cleaning agent shown in FIG. 6 are used, the solubility of the cleaning agent is further improved. That is, the dissolution of the cleaning agent by spraying from the spray nozzle provided above the waterline of the immersion tank has a synergistic effect with the immersion dissolution action, and the cleaning agent is uniformly dissolved from the bottom. In addition, this supply device can remove the cleaning agent wrapped in water-insoluble film or wrapping paper at the same time it is added, making it possible to prevent container pollution while ensuring safety, and to replace empty containers. You can save work.

When the solid detergent supply device of the present invention shown in FIGS. 7 and 8 is used, similar to the case where the supply device shown in FIGS. 4 and 5 is used, the spray nozzle provided above the waterline is The dissolving action of the cleaning agent by spraying has a synergistic effect with the immersion dissolving action, which plays the main role in dissolving the cleaning agent. Furthermore, the cleaning agent loading operation is significantly improved.

[0033] There are many women who are engaged in tasks such as washing dishes in the restaurant industry, that is, among those who use cleaning agent supply devices. Conventional cartridge type solid cast cleaning agent,
Each cartridge-type powder cleaning agent weighs 4 to 5 kg, which is too heavy for a woman to wear with one hand. If an attempt is made to reduce the weight by using a cartridge type, the frequency of replacing the cleaning agent will increase even more than before, which will not ease the labor of the operator.

[0034] In the solid detergent supply device of the present invention, loading of the solid detergent is not done by replacing the cartridge;
Simply insert unpackaged or packaged solid detergents, and several solid detergents can be used in succession, making one solid detergent smaller and lighter than conventional products. .

[0035]

EXAMPLES The present invention will be explained in more detail with reference to Examples below, but the present invention is not limited to these Examples.

Example 1 Using the feeding apparatus shown in FIGS. 1 and 2, three solid detergents shown in FIG. 3 were dissolved under the following conditions, and the concentration of the detergent solution in a washing machine was measured. Size of cleaning agent Diameter 13cm Height 9cm Weight 2kg x 3 pieces = 6kg Hot water supply temperature 20℃ Hot water supply pressure 0.2kg / cm2 Cleaning machine Ishikawajima Harima D-6 type (
Tank capacity: 70 liters) Washing cycle: 1 cycle: Washing: 45 seconds Interval: 5 seconds Rinse time: 12 seconds The results are shown in Figure 9.

The three detergents shown in FIG. 3 did not lose their shape until the end, and were gradually and uniformly dissolved from the bottom, maintaining a predetermined concentration until the three detergents were about to disappear.

Example 2 Using the supply device shown in FIGS. 4 and 5, three solid detergents shown in FIG. 6 were dissolved under the following conditions, and the concentration of the detergent solution in the washing tank of the washing machine was measured. did. Size of cleaning agent Diameter 13cm Height 9cm Weight 2kg x 3 = 6kg Hot water supply temperature 40℃ Hot water supply pressure 0.3kg / cm2 Cleaning machine Ishikawajima Harima D-6 type (
(Tank capacity: 70 liters) Washing cycle: 1 cycle: Washing: 45 seconds Interval: 5 seconds Rinse time: 12 seconds The results are shown in Figure 10.

The three detergents shown in FIG. 6 did not lose their shape until the end, and were gradually and uniformly dissolved from the bottom, maintaining a predetermined concentration until the three detergents were about to disappear. Furthermore, when the cleaning agent wrapped in water-insoluble paper was added, the wrapping paper cracked and tore, and the wrapping paper could be easily removed.

Example 3 Using the supply apparatus shown in FIGS. 7 and 8, three solid cleaning agents shown in FIG. 3 were dissolved under the following conditions, and the concentration of the cleaning agent solution in the cleaning tank of the cleaning machine was adjusted. It was measured. Size of cleaning agent Diameter 13cm Height 9cm Weight 2kg x 3 = 6kg Hot water supply temperature 30℃ Hot water supply pressure 0.4kg / cm2 Cleaning machine Ishikawajima Harima D-6 type (tank capacity 70 liters) Cleaning cycle 1 cycle Cleaning 45 seconds Interval 5 seconds Rinse time: 12 seconds The results are shown in FIG. 11.

The three detergents shown in FIG. 3 did not lose their shape until the end, and were gradually and uniformly dissolved from the bottom, maintaining a predetermined concentration until the three detergents were about to disappear.

Comparative Example A cartridge containing 4 kg of solid detergent in a plastic container was placed in a supply device, and hot water was sprayed from the bottom to dissolve the detergent.

Cleaning agent size: 4 kg in a plastic container Hot water supply temperature: 40°C Hot water supply pressure: 0.3 kg/cm2 Cleaning machine: Ishikawajima Harima D-6 type (
Tank capacity: 70 liters) Washing cycle: 1 cycle: Washing: 45 seconds Interval: 5 seconds Rinse time: 12 seconds The results are shown in FIG. 12.

[0044] It took 5 minutes to reach the predetermined concentration. Furthermore, when the container was taken out because the concentration of the detergent solution suddenly decreased, 200 to 300 g of solid detergent was attached to the inner wall of the container.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of a solid cleaning agent supply device of the present invention.

FIG. 2 is a sectional view of the solid cleaning agent supply device of FIG. 1;

FIG. 3 is a perspective view showing an example of a solid detergent used in the solid detergent supply device of the present invention.

FIG. 4 is a perspective view showing another example of the solid cleaning agent supply device of the present invention.

FIG. 5 is a sectional view of the solid cleaning agent supply device of FIG. 5;

6 is a perspective view of a solid detergent used in the solid detergent supply device of FIG. 5. FIG.

FIG. 7 is a perspective view showing still another example of the solid cleaning agent supply device of the present invention.

FIG. 8 is a sectional view of the solid cleaning agent supply device of FIG. 7;

FIG. 9 is a graph showing the relationship between the cleaning cycle and the cleaning agent solution concentration of the cleaning machine in Example 1.

FIG. 10 is a graph showing the relationship between the cleaning cycle and the cleaning agent solution concentration of the cleaning machine in Example 2.

FIG. 11 is a graph showing the relationship between the cleaning cycle and the cleaning agent solution concentration of the cleaning machine in Example 3.

FIG. 12 is a graph showing the relationship between the cleaning cycle and the cleaning agent solution concentration of the cleaning machine in a comparative example.

[Explanation of symbols]

1: Cleaning agent supply device 2: Cleaning agent loading cylinder 3: Solid cleaning agent 4: Basket 5: Water supply pipe 6: Immersion tank 7: Steam vent hole 8: Cleaning agent solution outlet 9: Cleaning agent inlet 10: Cleaning agent solution 11: Support 12: Claws 13: Spray nozzle

Claims (5)

[Claims] Claim 1: A supply device for distributing a solid cleaning agent into a cleaning tank, the supplying device having a space for storing at least two or more solid cleaning agents in a stacked manner, and having a space for storing at least two or more solid cleaning agents in a stacked manner; When the bottom of the is immersed in water or hot water that has flowed into the supply device, the cleaning agent is dissolved and a cleaning agent aqueous solution is generated, and the cleaning agent aqueous solution is passed through the overflow port provided on the side of the supply device. A solid cleaning agent supply device, characterized in that it is configured to be introduced into a cleaning tank. 2. The solid cleaning agent supply device according to claim 1, wherein the solid cleaning agent is entirely wrapped in a water-soluble film. 3. The solid cleaning agent supply device according to claim 1, wherein the solid cleaning agent is entirely packaged with a water-insoluble film. 4. The solid cleaning agent supply device according to claim 1, wherein two or more solid cleaning agents are stored in a stacked manner in a basket. [Claim 5] The solid cleaning agent is anhydrous alkali hydroxide 1
5. A solid detergent according to any one of claims 1 to 4, which is a solid detergent containing 0 to 50% by weight, 0.1 to 10% by weight of a surfactant, 10 to 55% by weight of a sequestering agent, and 5 to 40% by weight of water. The solid cleaning agent supply device described in 2.