JP2020039420A - Sterilization/deodorization device - Google Patents

Abstract

To provide a sterilization/deodorization device that can cool down a target space.SOLUTION: A sterilization/deodorization device 5 comprises: generation means 21 for generating hypochlorous acid water from tap water; and cooling means 22 for cooling down hypochlorous acid water generated by the generation means 21. Further, the sterilization/deodorization device 5 comprises supplying means 23 for supplying the hypochlorous acid water after being cooled down by the cooling means 22 to a filter 13. Then the sterilization/deodorization device 5 allows air to pass through the filter 13 containing the hypochlorous acid water after being cooled down, and supplies low-temperature air after passing through the filter into the target space 3.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a disinfecting and deodorizing apparatus capable of cooling a target space.

  For example, hypochlorous acid water, which is water containing hypochlorous acid (HClO), is a liquid capable of sterilizing and deodorizing air and is harmless to humans and livestock. Widely used. In particular, salt-free hypochlorous acid water containing no salt does not rust iron and the like, and is safe enough to give a "drinking permission" at pH 6.0 to 8.6 suitable for drinking.

  Here, as an apparatus for disinfecting and deodorizing air using such hypochlorous acid water, for example, an indoor disinfecting and deodorizing apparatus described in Patent Literature 1 below is known.

  This indoor disinfection and deodorization apparatus is provided with an air supply pipe along a ceiling of an air shower room, and a plurality of ejection pipes for ejecting gas downward from the air supply pipe toward the air shower room. The compressed air and the mist of hypochlorous acid water are formed so as to mix and flow in the air supply pipe, and the mixed gas is formed so as to blow out from the opening of the blow-out pipe.

JP 2012-100718 A (FIG. 1)

  However, in the above-mentioned conventional disinfection and deodorization apparatus, although the disinfection and deodorization of air can be performed, there is no function of cooling the air, so that the cooling cannot be performed.

  The present invention has been made in view of such a point, and an object of the present invention is to provide a disinfecting and deodorizing apparatus capable of cooling a target space.

  The germicidal deodorizer according to the present invention is a germicidal deodorizer that allows air to pass through a filter and supplies the air after the passage to a target space, and includes a cooling unit that cools water, and a cooling unit that cools the water. Supply means for supplying the water to the filter.

  Further, the disinfecting and deodorizing device according to the present invention is a disinfecting and deodorizing device that allows air to pass through a filter and supplies the air after the passage to a target space, and a generating unit that generates hypochlorous acid water, The cooling unit includes a cooling unit that cools the hypochlorous acid water generated by the generation unit, and a supply unit that supplies the hypochlorous acid water cooled by the cooling unit to the filter.

  According to the present invention, the target space can be cooled.

FIG. 2 is a partially exploded perspective view of the disinfecting and deodorizing apparatus according to the first embodiment of the present invention. It is a top view which shows the storage part formation means and cooling pipe of a sterilization deodorization apparatus same as the above. It is explanatory drawing which shows the supply means of a sterilization deodorization apparatus same as the above. (A) is a partial perspective view of a filter, (b) and (c) are figures which show the modification of a metal plate. It is the schematic which shows the water level detection means (float) of a sterilization deodorization apparatus same as the above. It is a block diagram which shows the production | generation means of a sterilization deodorization apparatus same as the above. It is the schematic which shows the cowshed which installed the same bacteria removal deodorizing apparatus. It is a front view sectional view of the sanitization deodorization device concerning a 2nd embodiment of the present invention. FIG. 2 is a partial plan view of the same disinfecting and deodorizing apparatus. Fig. 2 is a partial perspective view of the same disinfecting and deodorizing apparatus.

  A first embodiment of the present invention will be described with reference to FIGS.

  In FIG. 7, reference numeral 1 denotes a barn as a barn, and the barn 1 is a building for breeding cattle, which are domestic animals. A disinfecting and deodorizing device is provided on the ceiling 2 of the cowshed 1 to make the air in the target space (the breeding space, which is the indoor space in the building) 3 where the cows are located in an optimal state for the cows in the target space 3. 5 are installed.

  The disinfecting and deodorizing device (air conditioner) 5 can simultaneously perform disinfection, deodorization, dust removal, cooling, and humidification using hypochlorous acid water that is water containing hypochlorous acid (HClO). It is a device (coolable indoor disinfection and deodorization device).

  First, as shown in FIG. 1, the disinfecting and deodorizing apparatus 5 includes a box-shaped case body 11. An air inlet 12 is formed on one side surface of the case body 11, and the air inlet 12 is covered with a filter 13 containing hypochlorous acid water after cooling (hypochlorous acid water containing filter) 13. Have been done. In addition, an air outlet 16 is formed on the front surface of the case body 11, and a blower (fan) 17 is housed and arranged in the case body 11 at a position facing the air outlet 16.

  The blower 17 has a rotating shaft 18 extending in the front-rear direction, and a plurality of blades 19, 20 attached to the rotating shaft 18. The circular air outlet 16 formed on the front surface of the case body 11 is covered with a corresponding circular and net-shaped safety cover (not shown).

  When the blower 17 is operated, the air (dirty air) before the treatment of the target space 3 in the cowshed 1 passes through the filter 13 from the air inlet 12 and is introduced into the case body 11, and then the filter 13 The air after processing (air that has been purified and cooled to a low temperature by passing through the filter) is discharged from the air outlet 16 to the target space 3 in the barn 1 together with the mist (fine particles) of the cooled hypochlorous acid water. Is done.

  Further, as shown in FIG. 2 and the like, the disinfecting and deodorizing apparatus 5 includes a generating means 21 for generating hypochlorous acid water from tap water and a hypochlorous acid water generated by the generating means 21 in a predetermined manner. Cooling means 22 for cooling to a temperature (for example, about 0 ° C. to 5 ° C.) and hypochlorous acid water (cooled low-temperature hypochlorous acid water) cooled by the cooling means 22 are supplied to the filter 13. And a supply means 23 for impregnation.

  Further, the disinfecting and deodorizing apparatus 5 includes a storage unit forming unit 26 that forms a water storage unit 25 in which the hypochlorous acid water generated by the generating unit 21 is supplied from the supply pipe 30 and temporarily stored, and The storage unit (cooling storage unit) 25 includes a water level detection unit 27 that detects a water level of the hypochlorous acid water stored in the storage unit (cooling storage unit) 25. The water level detecting means 27 is a float floating on the surface of the hypochlorous acid water stored in the water storage unit 25 (see FIG. 5 and the like).

  As shown in FIG. 6, the generation means 21 converts salt-free hypochlorous acid water (for example, salt-free weakly acidic hypochlorous acid water that hardly corrodes metals) from tap water supplied by a water pipe 29. The generated hypochlorous acid water is supplied to the water storage unit 25 through the supply pipe 30.

  The generating means 21 includes, for example, a water softener (an RO membrane or the like) 31, a hypochlorous acid water generator 32, and a control unit 33 for controlling the generator 32, a valve of a water pipe 29, and the like. ing. Then, based on the detection of the water level detection means (float) 27, the generation unit 21 determines that the control unit 33 determines that the water level of the hypochlorous acid water stored in the water storage unit 25 is equal to or lower than a predetermined value. Then, the valve of the water pipe 29 is opened and water is supplied to automatically generate hypochlorous acid water. Note that the generation unit 21 is provided on the upper surface of the case body 11.

  The storage portion forming means 26 has a bottom case 36 having an upper surface opening shape detachably provided at a lower portion of the case body 11 so as to cover the lower surface opening of the case body 11, and an internal space of the bottom case 36 is provided. The water storage unit 25 is capable of storing a fixed amount of hypochlorous acid water. In other words, the upper case body 11 and the lower bottom case 36 constitute a rectangular parallelepiped box-shaped case means 35, and the lower part of the case means 35 serves as the water storage part 25.

  The bottom case 36 has a rectangular bottom plate 37, a front plate 38, a rear plate 39, and left and right side plates 40 erected on the peripheral end of the bottom plate 37. In the bottom plate portion 37 of the bottom case 36, there are provided a plurality of partition plates 41 which are adjacent to each other and are arranged side by side so as to be shifted in the front-rear direction and spaced apart in the left-right direction. Therefore, the hypochlorous acid water stored in the water storage section 25 flows in a zigzag manner toward the supply means 23 side in the bottom case 36. That is, the storage section forming means 26 provided below the case body 11 forms the water storage section (cooling flow path) 25 through which the hypochlorous acid water flows in a zigzag shape (meaning including a substantially zigzag shape). Things.

  The cooling means 22 includes a cooling pipe 42 arranged in a zigzag shape in the water storage section 25 and a cooler such as a refrigerator for circulating and supplying cooling water for cooling (may be a refrigerant or the like instead of the cold water) to the cooling pipe 42. (Not shown). The hypochlorous acid water stored in the water storage unit 25 is cooled to a predetermined temperature by heat exchange with cold water (refrigerant) flowing in the cooling pipe 42. Further, the inside of the case body 11 is also cooled by the cooled hypochlorous acid water to a low temperature.

  The supply means 23 has a suction pipe 44 for sucking the hypochlorous acid water (low-temperature hypochlorous acid water stored in the water storage part 25) cooled by the cooling means 22 based on the operation of the pump 43. ing. The suction pipe 44 has a horizontal pipe part 45 located in the upper part in the case body 11 and extending in the front-rear direction. The pipe part 45 has a cooled hypochlorous acid sucked up by the pump 43. A plurality of spray nozzles (spray nozzles) 46 for spraying water in the form of mist toward the upper surface side of the filter 13 are provided.

  That is, as shown in FIG. 3, for example, a plurality of injection nozzles 46 are disposed above the filter 13 along the vertical plane in the upper part of the case body 11, and the low-temperature Chloric acid water is sprayed onto the filter 13 and supplied. The excess hypochlorous acid water not retained (absorbed) by the filter 13 returns to the water storage section 25 in the bottom case 36. In addition, for example, although not shown, the injection nozzle 46 may be arranged outside or inside the filter 13.

  The filter 13 includes a metal plate portion 51 made of metal such as stainless steel having a plurality of holes 50 through which air passes, and a paper (non-metallic) filter portion supported (sandwiched) by the metal plate portion 51. 52.

  Here, FIG. 4A shows an example of the filter 13. The filter 13 includes a first metal plate 56, a second metal plate 57, a third metal plate 58, a first metal plate 56, It has a first paper filter 59 held between the second metal plates 57 and a second paper filter 60 held between the second metal plate 57 and the third metal plate 58.

  The metal plate portion 51 is constituted by first to third metal plates (stainless steel plates) 56, 57, 58 made of, for example, stainless steel having good thermal conductivity. Further, a filter section 52 is constituted by first and second paper filters (filter plates) 59 and 60 which can hold the hypochlorous acid water after cooling.

  In each of the metal plates 56, 57, 58, a plurality of holes 50 through which air passes are formed dispersed over the entire surface. Each of the metal plates 56, 57, 58 is made of, for example, stainless steel punched metal or expanded metal.

  The first paper filter 59 on the upstream side is for removing dust such as relatively large dust and dust in the air, and the second paper filter 60 on the downstream side is relatively small dust and dust in the air. The second paper filter 60 is formed to be finer than the first paper filter 59.

  The metal plates 56, 57, 58 constituting the metal plate portion (filter plate support portion) 51 of the filter 13 are not limited to those having a flat plate shape. For example, as shown in FIGS. Irregularities having a wavy (including substantially wavy) cross section may be used so that the contact area with the passing air increases.

  That is, the metal plates 56, 57, and 58 (similarly to a metal plate 72 described later) shown in FIGS. 4B and 4C have a plurality of convex portions 61 that are convex in the air flow direction. Have. Each of the convex portions 61 has a pair of upper and lower opposing plate portions 62 facing each other and a flat or curved connecting plate portion 63 for connecting the tips of the opposing plate portions 62 to each other. The connecting plate portion 63 has a plurality of holes 50 through which air passes.

  Then, in the case of using such an uneven metal plate, compared to the case of using a flat metal plate, a low-temperature metal plate portion 51 cooled with hypochlorous acid water after cooling, and a case. Since the contact area with the air flowing toward the inside of the body 11 increases, the temperature of the air can be efficiently reduced.

  The filter 13 is not limited to the configuration shown in FIG. 4, and is not limited to, for example, one configured by one metal plate (metal plate portion) and one filter plate (filter portion). Alternatively, a filter having no metal plate and only a filter may be used. As will be described later, in the case where hypochlorous acid water is not used and water which does not contain hypochlorous acid is used, a filter using microorganisms (a microorganism-using filter 71) is required.

  Although not shown, the disinfecting and deodorizing apparatus 5 adjusts the temperature (water temperature) of hypochlorous acid water (cooling water in a second embodiment described later) stored in the water storage unit 25 in the bottom case 36. Water temperature detection means for detecting, first detection means (pre-processing detection means) for detecting the temperature and humidity of air before processing outside the case body 11 (air outside the case), and air after processing inside the case body 11 ( Second detecting means (post-processing detecting means) for detecting the temperature and humidity of the air in the case). Display means 66 for displaying information such as the temperature detected by each of these detection means is provided on the front surface of the case of the generation means 21 (or the front surface of the case body 11).

  Next, the operation of the disinfecting and deodorizing apparatus 5 will be described.

  When the blower 17 operates, the air (dirty air) in the target space 3 in the barn 1 before the treatment passes through the filter 13 containing the hypochlorous acid water after cooling and enters the case body 11. At this time, sterilization, deodorization, and dust removal of the air are performed, and the temperature of the air decreases. Further, the temperature of the air after passing through the filter is further lowered even in the case body 11 due to heat exchange with the cooled hypochlorous acid water stored in the water storage unit 25.

  Then, the low-temperature purified air (the processed air), together with the mist of the cooled hypochlorous acid water sprayed from the injection nozzle 46, flows from the air outlet 16 to the target space 3 in the barn 1. Supplied. As a result, cooling and humidification of the target space 3 are performed.

  As described above, according to the disinfecting and deodorizing apparatus 5, the disinfecting, deodorizing, dust removing, cooling, and humidifying can be performed at the same time, and thus, for example, the target space 3 in the barn 1 is set in an optimal state for the cow even in summer. Can be maintained. That is, it is possible to perform cooling while maintaining the natural humidity of the target space 3.

  Further, since the cooling means 22 has the cooling pipe 42 which is an underwater pipe arranged in a zigzag manner in the water storage part 25 located at the lower part in the case means 35, the hypochlorous acid water can be efficiently cooled.

  Further, since the supply means 23 has a plurality of injection nozzles 46 arranged above the filter 13 and injecting the cooled hypochlorous acid water in a mist state toward the filter 13, the supply means 23 supplies the hypochlorous acid water. It can be appropriately supplied to the inside of the filter 13 and the inside of the case body 11.

  Further, since the filter 13 has the uneven metal plate portion 51 in which the plurality of holes 50 through which the air passes are formed, the temperature of the air when passing through the filter 13 can be efficiently reduced.

  Next, a second embodiment of the present invention will be described with reference to FIGS.

  The disinfection and deodorization apparatus 5 according to the second embodiment is different from the first embodiment in that the disinfection and deodorization of air is performed by using microorganisms instead of hypochlorous acid water. is there.

  In the disinfecting and deodorizing apparatus 5, the air inlets 12 are formed in the left and right side surfaces of the case body 11, and each of the air inlets 12 is covered with a filter 13a. Then, to each filter 13a, water after cooling by the cooling means 22 (water different from the first embodiment, which does not contain hypochlorous acid, that is, for example, ordinary tap water) is supplied by the supply means 23. You. FIG. 10 is a view in which the left filter 13a, the supply means 23, and the like are omitted.

  The filter 13a is different from the filter 13 in the first embodiment in that a microorganism having fine pore-formed coal (activated coal) serving as a home for microorganisms for removing and deodorizing air is used. It has a use filter 71.

  That is, as shown in FIGS. 8 to 10, this filter 13a is different from the filter 13 in the first embodiment in that a fourth filter made of the same metal as the microorganism-using filter 71 and the metal plates 56, 57, 58 is used. The filter 71 is provided with a metal plate 72, and the microorganism-using filter 71 is sandwiched between the third metal plate 58 and the fourth metal plate 72.

  In the illustrated example, the first to fourth metal plates 56, 57, 58, and 72 constitute the metal plate portion 51, and the first paper filter (the first filter which is a coarse filter) 59, A filter section 52 is constituted by a two-paper filter (a second filter which is a fine filter) 60 and a filter utilizing microorganisms (a third filter which is a filter utilizing microorganisms) 71. Also, the added fourth metal plate 72 is not limited to a plate-like plate as in the case of the metal plates 56, 57 and 58, and has a contact area with air as shown in FIGS. 4B and 4C. It may be formed in an uneven shape so as to increase.

  Although not shown, at least one of the filter 13a, the inside of the suction pipe 44, and the suction port of the pump 43 in the sanitizing and deodorizing apparatus 5, dust contained in the water supplied to the filter 13a. A filter for removing impurities such as is provided. Further, a recess 37a is formed in the bottom plate portion 37 of the bottom case 36, and the pump 43 is disposed in the recess 37a.

  Further, the supply port of the water pipe 29, which is a water supply means for supplying water into the bottom case 36, is located at a position (substantially the center of the bottom case 36 in the left-right direction) facing the tip of the partition plate 41 in a plan view. Are located. For this reason, the contact time between the water flowing from the supply port toward the pump 43 and the surface of the cooling pipe 42 is prolonged, and the water is efficiently cooled.

  The sterilization and deodorization apparatus 5 according to the second embodiment can also perform the same operation and effect as the first embodiment, such as sterilization, deodorization, dust removal, cooling, and humidification. Can be.

  Note that the filter 13 is provided only on one side surface as shown in FIG. 1 showing the first embodiment, or the filter 13a is provided on both side surfaces as shown in FIG. 8 showing the second embodiment. The configuration is not limited to this, and in any of the embodiments, the number of surfaces on which filters are provided is arbitrary. For example, filters may be provided on three surfaces, that is, the left, right, and rear surfaces, and the filters are provided on the upper surface. It is also possible. Further, the generation means 21 may be provided on the rear surface of the case body 11.

  Further, the filter preferably has a metal plate portion for efficiently cooling air passing through the filter, but the metal plate portion is not always necessary.

  Furthermore, the place where the disinfecting and deodorizing device 5 is installed is not limited to the barn 1, but may be a factory or a house, for example. When the disinfecting and deodorizing apparatus 5 is installed in the barn 1, for example, as shown by a two-dot chain line in FIG.

  The cooling means 22 is not limited to the cooling water flowing through the cooling pipe 42. For example, the cooling means 22 may be cooled by cooling the vicinity of the surface of the cooling pipe 42 connected to the refrigerator to a water temperature (a temperature of hypochlorous acid water or water). ) May be made to flow through the cooling pipe so as to efficiently reduce the temperature of the cooling pipe 42 to around 0 ° C. The situation is indicated by a two-dot chain line.)

  Although some embodiments of the present invention and its modifications have been described, it is also possible to appropriately combine the embodiments and the modifications without departing from the gist of the present invention.

3 Target space 5 Disinfection and deodorization equipment
13, 13a filter
21 Generation means
22 Cooling means
23 Supply means
25 Water storage department
26 Reservoir forming means
42 Cooling pipe
46 Injection nozzle
50 holes
51 Metal plate
59 First paper filter which is the first filter
60 Second paper filter which is the second filter
71 Microbial filter

Claims (7)

A disinfecting and deodorizing device that allows air to pass through a filter and supplies the air after passing to a target space,
Cooling means for cooling water;
Supply means for supplying the water cooled by the cooling means to the filter. A disinfecting and deodorizing device that allows air to pass through a filter and supplies the air after passing to a target space,
Generating means for generating hypochlorous acid water,
Cooling means for cooling the hypochlorous acid water generated by the generation means,
Supply means for supplying hypochlorous acid water cooled by the cooling means to the filter. Comprising a storage section forming means for forming a water storage section,
The disinfecting and deodorizing apparatus according to claim 1, wherein the cooling unit has a cooling pipe disposed in the water storage unit. The disinfection and deodorization apparatus according to any one of claims 1 to 3, wherein the supply means has an injection nozzle disposed above the filter. The disinfection and deodorization device according to any one of claims 1 to 4, wherein the filter has a metal plate portion having a plurality of holes through which air passes. The disinfection and deodorization apparatus according to claim 5, wherein the metal plate portion of the filter is formed in an uneven shape so as to increase an area of contact with air. The filter is
A first filter;
A second filter arranged downstream of the first filter and finer than the first filter;
The disinfecting and deodorizing apparatus according to claim 1, further comprising a microorganism-using filter that is provided downstream of the second filter and that has coal in which fine pores that serve as microorganisms live.

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