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Scale inhibitor, scale-inhibiting device using same, and scale-inhibiting system

A kind of antiscalant and antiscaling technology, applied in the field of antiscalant, can solve the problems such as unfavorable manufacturing cost, achieve the effect of reducing the frequency of maintenance and suppressing useless consumption

Active Publication Date: 2017-04-19
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that it becomes disadvantageous in terms of production cost compared with general polyphosphates.

Method used

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  • Scale inhibitor, scale-inhibiting device using same, and scale-inhibiting system
  • Scale inhibitor, scale-inhibiting device using same, and scale-inhibiting system
  • Scale inhibitor, scale-inhibiting device using same, and scale-inhibiting system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0037] First, definitions of terms used in this embodiment will be described.

[0038] (Definition of Terms)

[0039] First, the definition of antiscalant will be described. In general, antiscalants can be roughly divided into two types.

[0040] One is to prevent scale formation or to dissolve scale that has already formed by taking in metals that form insoluble salts such as calcium and magnesium as scales as chelates. In this kind of scale inhibitor, in order to form a chelate compound, a high chemical concentration corresponding to the concentration of the metal is required.

[0041] On the other hand, when a scale composed of calcium carbonate or the like is formed, the growth of calcium carbonate is prevented and suppressed by adsorbing the antiscalant on the crystal growth point of calcium carbonate. In this antiscalant, it is sufficient to have a chemical concentration corresponding to the active point, and therefore, an effect of substantially preventing and suppre...

Embodiment approach 2

[0133] Next, the antiscaling system equipped with antiscaling equipment will be described.

[0134] The antiscaling system includes the antiscaling equipment described in Embodiment 1, and various types of equipment or devices that prevent the formation of scale. Specifically, it is suitable for various water-related equipment that hinders use due to the formation of scale, and more specifically, it is suitable for water heaters, washing machines, toilets, boilers, coffee machines, dishwashing machines, washing machines, toilets, and the like.

[0135] The antiscaling system of this embodiment is a coffee machine. use Figure 9 The schematic configuration of this coffee machine will be described. The coffee machine includes: a water supply unit 32 for supplying water to a boiling water unit 31; a heating unit 31 having a heater 33 for supplying hot water to a coffee extracting unit 34; The coffee extraction part 34 of the capsule. The antiscaling device 36 incorporating th...

Embodiment approach 3

[0142] The antiscaling system of this embodiment is a water heater. use Figure 10 A schematic configuration of this water heater will be described.

[0143] This water heater includes a heat pump unit 55 as a heating device for boiling water, and a hot water storage unit 56 provided with a hot water storage tank 57 for storing hot water boiled by the heat pump unit 55 .

[0144] The heat pump unit 55 includes a refrigeration cycle. The refrigeration cycle circuit is configured by connecting a compressor 51 , a hot water supply heat exchanger 52 , a decompression device 53 , an evaporator 54 , and the like through piping.

[0145] The water heater has a water circuit. The water circuit includes: a water inlet pipe 64 connecting the lower part of the hot water storage tank 57 and the hot water supply heat exchanger 52 , and a hot water outlet pipe 65 connecting the hot water supply heat exchanger 52 and the upper part of the hot water storage tank 57 . A temperature detecto...

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Abstract

A scale inhibitor that comprises granules that comprise particles that include a plurality of polyphosphates, the granules having an asymmetrical particle size distribution, and the most frequently occurring particle size being smaller than the average particle size of the granules. Thus, when the flow rate of treated water that flows through the scale inhibitor is low, the concentration that dissolves in the treated water can be reduced. Accordingly, the scale inhibitor is not wastefully consumed, and the life of the scale inhibitor can be extended. In addition, maintenance frequency and upkeep costs associated with replacement or replenishment of the scale inhibitor can also be reduced.

Description

technical field [0001] The present invention relates to a scale inhibitor for preventing scale generation in water-related equipment. Background technique [0002] As such a scale inhibitor, a polyphosphate-based scale inhibitor composed of granular bodies containing a plurality of polyphosphates is known (for example, Patent Document 1 or 2). The object of patent document 1 or 2 is to improve the continuity of the effect which prevents generation|occurrence|production of a scale by further mixing the component which coexists with a polyphosphate. [0003] For example, in the technique described in patent document 1, phosphonic acid, phosphinic acid, polycarboxylic acid, etc. are mixed. In addition, in the technique described in Patent Document 2, generally, alumina and silica are mixed with an alkali metal oxide used for a polyphosphoric acid-based scale inhibitor. [0004] prior art literature [0005] patent documents [0006] Patent Document 1: Japanese Patent Applic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/08C02F5/00
CPCB01J20/048B01J20/28004B01J20/28016C02F1/688C02F5/086C02F2201/006C02F2209/105C02F2303/22A47J31/60
Inventor 桥田卓山田宗登
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD