JP2015130846A - Liquid chemical evaporating device and liquid chemical evaporating method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a liquid chemical evaporating device that can evaporate liquid chemical in the air with high performance.SOLUTION: A liquid chemical evaporating device includes: evaporating devices 10a-10d for evaporating liquid chemical in the air by sending air into the liquid chemical and performing aeration; a liquid chemical tank 11 for storing the liquid chemical; a liquid chemical pump 12 for supplying the liquid chemical from the liquid chemical tank 11 to the evaporating devices 10a-10d; an air pump 13 for supplying air to the evaporating devices 10a-10d; a chamber 14 for collecting air containing the liquid chemical obtained by the evaporating devices 10a-10d; a blower 15 for sending out air containing the liquid chemical in the chamber 14; and a waste liquid tank 16 for storing the liquid chemical discharged from the evaporating device 10d.

Description

  The present invention relates to a chemical liquid evaporation apparatus and a chemical liquid evaporation method for evaporating a chemical liquid such as hypochlorous acid into the air.

  As an apparatus for sterilizing and disinfecting the inside of an agricultural greenhouse, for example, a quarantine apparatus described in Patent Document 1 is known. In this quarantine apparatus, air is sprayed on the surface of hypochlorous acid water having a predetermined effective chlorine concentration whose pH is adjusted to 2.0 to 7.5, and hypochlorous acid is evaporated in this air. Diffuse air containing hypochlorous acid.

JP 2011-201838 A

  In the conventional epidemic prevention device, air is blown off to the surface of hypochlorous acid water, and the amount of transpiration of hypochlorite water into the air depends on the size of the contact surface between the liquid surface and air. To do. For this reason, the transpiration efficiency is poor, and in order to increase the transpiration amount, it is necessary to widen the liquid level, and there is a problem that the apparatus becomes large.

  Accordingly, an object of the present invention is to provide a chemical solution evaporation apparatus and a chemical solution evaporation method capable of evaporating a chemical solution in the air with high efficiency.

  The chemical vaporization apparatus of the present invention includes a vaporizer that vaporizes chemical liquid into the air by sending air into the chemical liquid and aeration, a chemical liquid tank that stores the chemical liquid, a chemical liquid pump that supplies the chemical liquid from the chemical liquid tank to the evaporator An air pump that supplies air to the evaporator, a chamber that collects the air containing the chemical obtained by the evaporator, a blower that sends out the air containing the chemical in the chamber, and a waste liquid tank that stores the chemical discharged from the evaporator Is included.

  In addition, the chemical liquid transpiration method of the present invention is such that the chemical liquid is evaporated in the air by sending air to the chemical liquid with an evaporator and aeration, collecting the air containing the chemical liquid obtained by the evaporator in the chamber, collecting It is characterized in that air containing a chemical solution is sent out by a blower.

  According to these inventions, the chemical liquid can be evaporated in the air, and the air containing the chemical liquid can be sent out from the chamber.

  Moreover, it is desirable for the chemical | medical solution transpiration | evaporation apparatus of this invention to be equipped with two or more evaporators, and to make it the structure which passes a chemical | medical solution sequentially through the said several evaporators. Thereby, a chemical | medical solution can be made to pass through several evaporators in order, aeration is performed by making it contact with more air, and a chemical | medical solution can be efficiently evaporated in the air.

  The chemical pump is preferably a variable displacement tube pump. Thereby, it becomes possible to adjust the chemical supply amount to the evaporator according to the concentration of the chemical stored in the chemical tank.

  Moreover, as for the chemical | medical solution transpiration apparatus of this invention, it is desirable to have a silencer in the upper part in an evaporator. Thereby, the sound produced by aeration can be absorbed.

  Moreover, since a chemical | medical solution is a hypochlorous acid aqueous solution with an effective chlorine density | concentration of 50-5000 mg / L, a chemical | medical solution transpiration apparatus with high transpiration efficiency is obtained using an inexpensive hypochlorous acid aqueous solution.

(1) The chemical solution is evaporated in the air by sending air into the chemical solution and aerated, the air containing the chemical solution obtained by the evaporator is collected in the chamber, and the air containing the collected chemical solution is sent out by the blower. Can be evaporated in the air without waste, and the chemical solution can be evaporated in the air with higher efficiency.

(2) By providing a plurality of evaporators and passing the chemicals sequentially through the plurality of evaporators, the chemicals are sequentially passed through the evaporators, aerated by contacting with more air, and the chemicals are efficiently supplied. Since it can evaporate in the air, it is possible to use the chemical without waste.

(3) Since the chemical pump is a variable capacity tube pump, the amount of chemical supplied to the evaporator is adjusted according to the concentration of the chemical stored in the chemical tank, and the chemical concentration in the air by aeration is constant. It becomes possible to keep it.

(4) The structure having the silencer in the upper part of the evaporator absorbs the sound generated by aeration, and a chemical evaporating apparatus with less noise can be obtained.

(5) When the chemical solution is an aqueous hypochlorous acid solution having an effective chlorine concentration of 50 to 5000 mg / L, a chemical solution transpiration apparatus with high transpiration efficiency can be obtained using an inexpensive hypochlorous acid aqueous solution.

It is a systematic diagram of the chemical | medical solution transpiration apparatus in embodiment of this invention. FIG. 2 is an internal system diagram of the chemical liquid transpiration apparatus of FIG. 1. It is a schematic block diagram of the chemical | medical solution transpiration apparatus of FIG. It is an enlarged view of the evaporator of FIG. 2, Comprising: (a) is a front view, (b) is a right view. It is an enlarged view of the silencer of FIG. 3, (a) is a front view, (b) is AA sectional drawing.

  1 is a system diagram of a chemical liquid transpiration apparatus according to an embodiment of the present invention, FIG. 2 is an internal system diagram of the chemical liquid transpiration apparatus of FIG. 1, FIG. 3 is a schematic configuration diagram of the chemical liquid transpiration apparatus of FIG. (A) is a front view, (b) is a right side view, FIG. 5 is an enlarged view of the silencer of FIG. 3, (a) is a front view, and (b). FIG.

  In FIG. 1, a chemical vaporization apparatus 1 according to an embodiment of the present invention is an air in which chemical liquid is vaporized evenly through a cloth-shaped sock duct 3 in closed rooms 2 a and 2 b such as offices and waiting rooms. Is to send in. The chemical solution used in this embodiment is a hypochlorous acid aqueous solution having an effective chlorine concentration of 50 to 5000 mg / L.

  As shown in FIG. 2, the chemical liquid transpiration apparatus 1 includes a vaporizer 10 a, 10 b, 10 c, 10 d that vaporizes the chemical liquid in the air, a chemical liquid tank 11 that stores the chemical liquid, and a chemical liquid from the chemical liquid tank 11 to the evaporator 10 a. A chemical liquid pump 12 to be supplied, an air pump 13 for supplying air to the evaporators 10a to 10d, a chamber 14 for collecting air containing the chemical liquid obtained by the evaporators 10a to 10d, and air containing the chemical liquid in the chamber 14 A blower 15 for feeding out and a waste liquid tank 16 for storing a chemical liquid discharged from the evaporator 10d are provided.

  As shown in FIG. 4, the evaporators 10 a to 10 d are integrally configured as the evaporator unit 10 by dividing the inside of the cubic container 20 by a partition wall 21 that partitions the container 20 in the vertical direction. The chemical tank 11 shown in FIG. 2 and the evaporator 10 a at the left end of the evaporator unit 10 are connected by a liquid supply pipe 30. The chemical pump 12 is provided in the middle of the liquid supply pipe 30. In the present embodiment, the chemical pump 12 is a variable capacity tube pump.

  The chemical liquid is supplied from the chemical liquid tank 11 to the liquid supply port 22 of the evaporator 10a by the chemical liquid pump 12, and is sequentially supplied to the evaporators 10b, 10c, and 10d through the overflow pipes 23 provided on the partition wall 21, respectively. Further, the chemical solution in the evaporator 10 d is discharged from the overflow port 24 and sent to the waste liquid tank 16 through the waste liquid pipe 31.

  Further, an air diffuser 25 connected to the air pump 13 is connected below each of the evaporators 10 a to 10 d of the evaporator unit 10. Valves 26a, 26b, 26c, and 26d are provided in the middle of the air diffusers 25, respectively. Further, a chamber 14 is integrally provided in the upper part of the evaporator unit 10, and a silencer 17 is provided in the chamber 14. As shown in FIG. 5, the silencer 17 has a plurality of apertures 17a formed around a cylindrical tube. The silencer 17 is connected to the diffusion chamber 18 adjacent to the outlet of the blower 15 by a pipe 32. An electromagnetic valve 32 a is provided in the middle of the pipe 32.

  The evaporator unit 10, the chemical liquid tank 11, the chemical liquid pump 12, the air pump 13, the chamber 14, the blower 15 and the waste liquid tank 16 are integrally accommodated in one casing 19 as shown in FIG. 3. .

  In the chemical liquid transpiration apparatus 1 having the above-described configuration, the chemical liquid in the chemical liquid tank 11 is supplied to the foremost evaporator 10 a through the liquid supply pipe 30 by the chemical liquid pump 12. Moreover, the chemical | medical solution which overflowed from the overflow pipe | tube 23 of the upper part of the former stage evaporator 10a, 10b, 10c is supplied to the latter stage evaporator 10b, 10c, 10d in order, respectively.

  At this time, air is supplied to the lower parts of the evaporators 10a to 10d from the air pump 13 through the diffuser pipe 25, whereby aeration is performed in each of the evaporators 10a to 10d and supplied from the diffuser pipe 25. The chemical is evaporated in the air. And the air containing this chemical | medical solution is collected by the diffusion chamber 18 through the silencer 17 and the piping 32 from the upper chamber 14 of the evaporator 10a-10d.

  Then, the air in which the chemical solution is evaporated in the diffusion chamber 18 is diffused by the air sucked from the air inlet 33 by the blower 15 and sent out from the air inlet 34, and is sent to the office, waiting room, etc. through the sock duct 3. It is sent to the closed rooms 2a and 2b. The hypochlorous acid aqueous solution having an effective chlorine concentration of 50 to 5000 mg / L in the chemical tank 11 is sent to the interior of the chamber 2a by being fed to about 30 ppm in the chemical vaporization apparatus 1 and with the air sucked from the inlet 33 by the blower 15. , 2b at a concentration of 0.05 to 0.5 ppm.

  As described above, in the chemical vaporization apparatus 1 according to the present embodiment, the chemical liquid is evaporated in the air by sending air to the chemical liquid and aeration, and the air containing the chemical liquid obtained by the evaporators 10a to 10d is collected in the chamber 14. The structure in which the air containing the collected chemical solution is sent out by the blower 15 allows the chemical solution to evaporate into the air without waste, and allows the chemical solution to evaporate into the air with higher efficiency.

  Moreover, in the chemical | medical solution transpiration | evaporation apparatus 1 in this embodiment, a chemical | medical solution is sequentially passed through several vaporizer 10a-10d by the structure which passes a chemical | medical agent sequentially to several evaporators 10a-10d, and it is more until a density | concentration becomes thin. Since aeration can be performed by contacting with air and the chemical solution can be efficiently evaporated in the air, the chemical solution can be used without waste. Further, the chemical solution whose concentration has finally decreased is collected in the waste liquid tank 16.

  Moreover, in this chemical | medical solution transpiration apparatus 1, since the chemical | medical solution pump 12 is a variable capacity | capacitance type plunger pump, according to the density | concentration of the chemical | medical solution stored in the chemical | medical solution tank 11, the chemical | medical solution supply amount to the evaporators 10a-10d is adjusted. It is possible to keep the chemical concentration in the air by aeration constant. Thereby, the chemical | medical solution transpiration apparatus 1 with high transpiration | evaporation efficiency using the cheap hypochlorous acid aqueous solution of 50-5000 mg / L of effective chlorine concentration as a chemical | medical solution is realizable. In the chemical liquid sensor 35 provided between the chemical liquid tank 11 and the chemical liquid pump 12, when the chemical liquid tank 11 becomes empty, this sensor reacts and the replacement of the chemical liquid tank 11 is displayed on the chemical liquid evaporation apparatus 1. On the other hand, when the waste liquid tank 16 becomes full, the level sensor (not shown) of the waste liquid tank 16 reacts and the replacement of the waste liquid tank 16 is similarly displayed.

  Moreover, in this chemical vaporization apparatus 1, since the silencer 17 is provided in the upper chamber 14 in the vaporizers 10a to 10d, sound generated by aeration can be absorbed by a plurality of vaporizers. The water droplets adhering to the inside fall from the opening 17a below the silencer into each of the evaporators 10a to 10d.

  In addition, in this embodiment, although the evaporators 10a-10d are made into 4 steps | paragraphs, it can increase / decrease according to the evaporation density | concentration of hypochlorous acid. When the chemical tank 11 becomes empty, it can be replaced with another chemical tank 11 filled with a hypochlorous acid aqueous solution. Alternatively, it is possible to connect the hypochlorous acid aqueous solution generator and the chemical liquid tank 11 by piping, and fill the chemical tank 11 from the generator into the chemical liquid tank 11 as necessary. In this embodiment, the chemical solution is hypochlorous acid, but it may be sodium hypochlorite, chlorine dioxide, chlorine, ozone, alcohol, or formalin.

  The chemical liquid evaporation apparatus of the present invention is useful as an apparatus for evaporating a chemical liquid such as hypochlorous acid into the air.

DESCRIPTION OF SYMBOLS 1 Chemical liquid evaporation apparatus 2a, 2b Room 3 Sox duct 10a, 10b, 10c, 10d Evaporator 11 Chemical liquid tank 12 Chemical liquid pump 13 Air pump 14 Chamber 15 Blower 16 Waste liquid tank 17 Silencer 18 Diffusion chamber

Claims (6)

A vaporizer for evaporating the chemical liquid into the air by sending air into the chemical liquid and aeration;
A chemical tank for storing the chemical,
A chemical pump for supplying the chemical from the chemical tank to the evaporator,
An air pump for supplying the air to the evaporator,
A chamber for collecting air containing the chemical obtained by the evaporator;
A blower for sending out air containing the chemical in the chamber;
A chemical liquid transpiration apparatus including a waste liquid tank for storing a chemical liquid discharged from the transpiration device.   The chemical | medical solution transpiration | evaporation apparatus of Claim 1 comprised so that the said transpiration | evaporation device was provided with two or more and the said chemical | medical solution may be made to pass through the said several transpiration | steaming devices in order.   The chemical solution transpiration apparatus according to claim 1 or 2, wherein the chemical solution pump is a variable capacity tube pump.   The chemical | medical solution transpiration apparatus of any one of Claim 1 to 3 which has a silencer in the upper part in the said transpiration | evaporator.   The chemical solution transpiration apparatus according to any one of claims 1 to 4, wherein the chemical solution is a hypochlorous acid aqueous solution having an effective chlorine concentration of 50 to 5000 mg / L. Evaporating the chemical solution into the air by sending air to the chemical solution with a evaporator to aerate it;
Collecting air containing the chemical obtained by the evaporator in a chamber;
A chemical solution transpiration method comprising sending out air containing the collected chemical solution by a blower.

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