RU2499200C2 - Underground street air conditioner - Google Patents

Underground street air conditioner Download PDF

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Publication number
RU2499200C2
RU2499200C2 RU2011141684/12A RU2011141684A RU2499200C2 RU 2499200 C2 RU2499200 C2 RU 2499200C2 RU 2011141684/12 A RU2011141684/12 A RU 2011141684/12A RU 2011141684 A RU2011141684 A RU 2011141684A RU 2499200 C2 RU2499200 C2 RU 2499200C2
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Russia
Prior art keywords
roof
vertical
irrigation
chamber
air conditioner
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RU2011141684/12A
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Russian (ru)
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RU2011141684A (en
Inventor
Владимир Сергеевич Ежов
Павел Сергеевич Кузьмин
Максим Анатольевич Асеев
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Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗ ГУ)
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Priority to RU2011141684/12A priority Critical patent/RU2499200C2/en
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Abstract

FIELD: ventilation.
SUBSTANCE: underground street air conditioner consists of a rectangular housing closed with a cover plate with a hatch, a tray with a pit, which is separated from the roof with a vertical partition wall with an opening between lower edge of the partition wall and the bottom of the tray into a vertical air washer and a cleaning chamber; an intake grid and a plenum fan are located under the roof in the end wall of the air washer; feed and drain pumps are located inside the air washer and connected to a water supply source, sprinkling and flushing devices and a bottom of a storm drainage channel; on inner surface of the end wall of the air washer there placed is a movable vertical damper connected to a float; in the cleaning chamber there located in a staggered order are removable vertical perforated baskets filled with pumice stone granules; an exhaust opening is made in the roof and connected to an above-ground exhaust shaft equipped with an opening with a distributing grid, inside which an ioniser and an exhaust fan is placed; with that, the intake grid of the air washer is interconnected with the storm drainage channel.
EFFECT: enlarging the range of use of a street air conditioner by arranging it under the ground, and providing the possibility of using the already existing storm drainage as its structural component, which improves economic and ecological efficiency of an underground street air conditioner.

Description

The present invention relates to energy, namely, to air conditioning and, in particular, to devices for cleaning street air from harmful components of the exhaust gases of automobile transport.
A street air conditioner is known, consisting of a rectangular housing with an intake and distribution grilles, a roof, a pallet connected to a feed pipe, a pump, a circulation circuit, a drain pipe and divided into an irrigation chamber, in which there is a supply fan and an irrigation device, and a cleaning chamber, wherein along the air flow removable containers placed with vertical perforated tapes coated layer of hydrated lime (Ca (OH) 2) with vertical air channel and among themselves, the separation plate, an ionizer, an exhaust fan [RF patent №2301945, ul. F24F 3/16, 2007].
The disadvantages of the known device are the small absorption capacity of vertical perforated plates coated with a layer of hydrated lime and the consequent need for their frequent replacement with regenerated ones, the inability to carry out the process of regeneration of perforated plates directly in the air conditioner itself, as well as significant ablation of lime from the surface of perforated plates with a stream of moistened purified air , which reduces the economic and environmental efficiency of street conditions ioner.
Closer to the proposed invention is a street air conditioner, consisting of a rectangular case, closed by a roof, a tray, divided into an irrigation chamber and a cleaning chamber, moreover. the irrigation chamber is equipped with an intake grill, a supply fan, an irrigation device are placed inside it, removable perforated baskets filled with pumice granules made of metallurgical slag with a basicity module M> 1 with a diameter of 20 or more are located in the cleaning chamber along the air flow in a checkerboard pattern up to 40 mm, flushing devices, separation plates, an ionizer, an exhaust fan and a distribution grid, and irrigation and flushing devices are connected by a pipeline to the feeder pump [RF Patent No. 2425293, Mcl. F24F 3/16, 2011].
The main disadvantages of the known street air conditioner are its above-ground layout, which in most cases does not allow its installation in the most gassed sections of streets due to the lack of free space on them, which sharply limits the range of its use and thereby reduces the economic and environmental efficiency of street air cleaning from harmful components of automobile vehicle exhaust gases and dust.
The technical result, the solution of which the invention is directed, is to expand the range of use of an outdoor air conditioner by arranging it underground and the possibility of using an existing storm sewer as its structural element, which increases the economic and environmental efficiency of an underground outdoor air conditioner.
The technical result is achieved by the fact that the underground street air conditioner consists of a rectangular housing located underground, closed by a roof with a hatch, a pallet with a pit, divided from the roof by a vertical partition with a window between the lower edge of the partition and the bottom of the pallet into a vertical irrigation chamber and a horizontal cleaning chamber , in the left end wall of the irrigation chamber under the roof there is an intake grill and a supply fan, inside the irrigation chamber there is a feed pump connected by a feed pipe a wire with a water supply source, a circulation pipe with an upper pit zone, discharge pipelines with an irrigation device, flushing devices, a submersible pump is placed at the bottom of the pit, connected by a drain pipe to the bottom of the storm sewer channel, and vertical guide grooves are arranged on the inner surface of the left end wall of the irrigation chamber, in which are placed the lateral edges of the movable vertical gate connected by its lower edge to the vertical rods with a float, vertical removable perforated baskets filled with pumice granules made of metallurgical slag with a basicity module M> 1 with a diameter of 20 to 40 mm are located in a checkerboard in a checkerboard pattern along the air flow, and a washing device is placed against each perforated basket, behind During the movement of air, a basket in the roof is equipped with an exhaust opening connected to an exhaust barrel, inside of which an ionizer, an exhaust fan are placed and which is equipped with a window at the level of human growth with a distribution grid facing the side of pedestrian traffic, the intake grille of the irrigation chamber communicating with a storm sewer channel arranged at the side edge of the carriageway, which, in turn, communicates with the atmosphere of the carriageway through its grille, and the rectangular building has a roof , a pallet made with a bias towards the pit, the pit, a vertical partition made of reinforced concrete.
The proposed outdoor air conditioner is based on the chemical composition of street air contaminated with harmful components of automobile transport exhaust gases (carbon dioxide, nitrogen oxides, sulfur oxides, soot, ozone, etc.), the concentration of which is highest in the surface layer of the atmosphere [L. F. Goldovskaya. Environmental chemistry. - M .: Mir, 2005, pp. 86-90, p. 155], high solubility of carbon dioxide compared with other components of air in water [Chemist's Handbook, vol. III. - M. - L .: Chemistry, 1965, p. 316], a high rate of oxidation of NO to NO 2 and SO 2 to SO 3 , which dissolve well in water with the formation of HNO 3 and H 2 SO 4 , in the presence of ozone [Nenitsescu K. General chemistry. - M .: Higher. School, 1958, p.275; Kutepov A.M. and others. General chemical technology. - M .: Higher. School, 1985, p.348], the high value of the basicity modulus, which gives the granules of metallurgical pumice the basic properties [Building materials .. Reference. Ed. Boldyreva A.S. et al. - M.: Stroyizd., 1989, p. 423; Domokeev A.K. Construction Materials. - M .: Higher. school, 1989, p.163], which allow sorbing on their surface substances with acidic properties, which include harmful components of automobile vehicle exhaust gases (NO x , SO x , CO).
The invention is illustrated in the drawing, where Figs. 1 and 2 show a general view of an underground street air conditioner and its cross section, Figs. 3-7 are docking nodes of a housing 1 with a storm sewer LC.
The underground street air conditioner consists of a rectangular housing located underground ЗЕ, closed by a roof 2 with a hatch 3, a tray 4 with a pit 5, separated from the roof 2 by a vertical partition 6 with a window 7 between the lower edge of the partition and the bottom of the tray 4 to a vertical irrigation chamber 8 and a horizontal cleaning chamber 9, the rectangular housing 1, roof 2, pan 4, made with a slope towards the pit 5, pit 5, vertical partition 6 are made of reinforced concrete. In the left end wall of the irrigation chamber 8 under the roof 2 there is an intake grill 10 and a supply fan 11, inside the irrigation chamber there is a feed pump 12 connected by a feed pipe 13 to a water supply source (not shown in Figs. 1-7), a circulation pipe 14 with the top zone pit 5, discharge pipelines 15 and 16 with irrigation device 17 and located in the cleaning chamber 9, flushing devices 18, At the bottom of the pit 5 - placed a submersible pump 19, connected by a pipe 20 to the bottom of the channel storm LC, and on the inner surface of the left end wall of the irrigation chamber 8 there are vertical guide grooves 21 in which the lateral edges of the movable vertical gate 22 are placed, connected by their lower edge with vertical rods 23 and a float 24. In the cleaning chamber 9 in the direction of air flow in the checkerboard arranged, mounted on supports (not shown in FIGS. 1-7), vertical removable perforated baskets 25 filled with granules of pumice 26 made of metallurgical slag with a basicity module M> 1 dia 20 to 40 mm in diameter, and a washing device 18 is placed against each basket 25, behind the last basket 25 in the roof 2 there is an exhaust opening 27 connected to the exhaust barrel 28, inside of which there is an ionizer 29, an exhaust fan 30 and which at the level of human growth, it is equipped with a window 31 with a distribution grid 32 facing the side of pedestrian traffic, and the intake grille 10 of the irrigation chamber 8 communicates with a storm sewer channel LC located at the side edge of the carriageway of the street PU, which th, in turn, is reported - the atmosphere of the roadway through its lattice of the Republic of Kazakhstan.
An underground street air conditioner is mounted underground of the pedestrian part of the street section that is most loaded with vehicles, so that the end of the irrigation chamber 8 adjoins the side wall of the LK storm sewer channel in the section closed by the Republic of Kazakhstan grating, at the border of the carriageway and the pedestrian part of the street section, the fence 10 was located in the upper part of the starboard side of the storm channel of the LC and was facing the roadway, and the distribution grid 32 was facing the pedestrian part, the roof 2, which is removable concrete, was at the level of the pavement surface, the door 3 is in the neutral zone, and then connect the underground street air conditioning to all communications.
Cleaning street air from the harmful components of the exhaust gases of automobile transport and dust in an underground street air conditioner is carried out as follows. Street air is sucked in from the surface layer of the atmosphere, which is the most polluted, through the lattice RK of the storm sewer channel LK and the intake grill 10 by the supply fan 11 into the irrigation chamber 8, where its speed drops sharply, moves from top to bottom, contacts in a cross current with water particles, coming from the nozzles (not shown in FIGS. 1-7) of the irrigation device 17, over the entire height of the irrigation chamber 10, is moistened and partially cooled. At the same time, in parallel to the above processes, dust and soot particles are trapped in water in the irrigation chamber 8, the interfacial contact of the sprayed water with air, as a result of which carbon dioxide is absorbed by this water, chemical interaction of nitrogen oxides, sulfur oxides, ozone, oxygen, water between in the gas and liquid phases, chemisorption of the resulting nitrogen dioxide (NO 2 ) and sulfuric anhydride (SO 3 ) with water (H 2 O) with the formation of nitric (HNO 3 ) and sulfuric (H 2 SO 4 ) acids. The resulting acidified water, saturated with carbon dioxide with mechanical impurities, flows into the pit 5, mixes there with the previous acidic water, from where a part of this mixture equal to the amount of water supplied for irrigation, together with the sludge, is pumped into the storm channel through the drain pipe 20 by the submersible pump 19 LC, and the other part from the upper layer of water in the pit 5 enters the circulation pipe 14 connected to the make-up pipe 13, mixes with the feed water, the amount of which is determined by the given m the amount of carbon dioxide absorbed from the street air, after which the mixture of fresh and acidified water by the pump 12 through the discharge pipe 15 again enters the irrigation device 17 of the irrigation chamber 8. Cleaned of carbon dioxide and some of the oxides of nitrogen and sulfur, dust and soot, moistened and partially cooled street air with particles of acidified water, from the irrigation chamber 8 through the window 7 enters the cleaning chamber 9, passes horizontally through perforated baskets 25 filled with granules of letters PS 26, made from basic metallurgical slag. Molecules of nitrogen and sulfur oxides adsorbed from street air in the pores of granules 26 have increased reactivity due to their interaction with the surface of the adsorbent granules of slag pumice 26 [Nenitsesku K. General chemistry - M .: Mir, 1968, p. 298], therefore, they are oxidized oxygen at a speed greater than in the gas phase with the formation of NO 2 and SO 3 readily soluble in water, which, in turn, interact with acidified water particles remaining in the pores of the granules 22, with the formation of the corresponding acids HNO 3 and H 2 SO 4 . In addition, finely dispersed particles (dust, soot, etc.) settle on the surface and in the pores of the granules 26, after which the purified and dried air is additionally freed from entrained water droplets due to their deposition by gravity in the vertical barrel 28, the passage through the ionizer 29 is enriched with light air ions and the exhaust fan 30 through the distribution grid 32 in the window 31 is fed into the pedestrian zone of the street.
When the activity of the pumice granules 26 in the perforated baskets 25 decreases, they are subjected to regeneration, which is carried out during the hours of minimal traffic flow (for example, at night) in the air conditioner itself. The regeneration process consists in washing granules 26 from dust particles, soot and acidic water containing trapped oxides of carbon, sulfur and nitrogen. The washing is carried out by supplying feed water to the cleaning chamber 9 through the discharge pipe 16 and the washing devices 18, and the contaminated washing water flows by gravity along the inclined bottom of the sump 4 into the pit 5, from where it is removed by the drainage pump 19 to the LK storm sewer channel.
The amount of flushing water and the flushing time are determined empirically. Complete replacement of pumice granules 26 is carried out once a season. Inspection and repair of the main equipment is carried out through the hatch 3.
As a source of water supplied to the irrigation chamber 8 for the absorption of carbon dioxide in large quantities, you can use the water of underground underground water pumping stations (provided there are no harmful impurities in it), and acidified water discharged into the storm sewer of the LA, 1 due to significant the content of carbon dioxide in it will contribute to the processes of photosynthesis [9, Komov VP et al. Biochemistry. - M .: Drofa, 2004, p.210] in the fields of irrigation of urban wastewater treatment plants.
The dimensions and living cross-sectional area of the lattices of the Republic of Kazakhstan of stormwater drainage systems of the aircraft complex and the intake grid 10 of the underground street air conditioner are determined by its predetermined performance and gas pollution of the street air. Cross-sectional area, number and volume of perforated baskets 25, porosity, size and number of pumice granules 26, power and performance of fans 11 and 30, ionizer 29, pumps 12 and 19, pit volume 5, absorption capacity of the cleaning chamber 9, water consumption for irrigation in the irrigation chamber 8 and recirculation are determined by air capacity, its pollution and the required degree of purification. At the same time, it is advisable to produce an underground street air conditioner in the form of typical sections with a housing made of reinforced concrete structures, each of which can work separately, which allows to increase or decrease the productivity of the installation as a whole, depending on the environmental situation on the street.
Thus, the present invention allows you to place a street air conditioner underground, without cluttering the street space with extraneous structures and use the existing storm sewer to remove acidified water, which makes it possible to exclude the construction of additional sewage systems and increases the economic and environmental efficiency of an underground street air conditioner.

Claims (1)

  1. Underground outdoor air conditioning, including a rectangular enclosure, covered by a roof, a tray divided into an irrigation chamber and a cleaning chamber, in which there are intake and distribution grilles, supply and exhaust fans, irrigation and flushing devices, an ionizer, a feed pump installed along the air the cleaning chamber in a checkerboard pattern removable perforated baskets filled with pumice granules made of metallurgical slag with a basicity module M> 1 with a diameter of 20 to 40 mm, characterized we mean that the casing with the pallet is located underground, the roof is equipped with a hatch, the pan is equipped with a pit and is sloped towards it, the cleaning chamber is horizontal, the rectangular casing, the roof, the pallet, pit, a vertical partition are made of reinforced concrete, the intake grille of the irrigation chamber is communicated with a storm sewer channel, which, in turn, communicates with the atmosphere of the carriageway through its grate, a feed pump is located inside the irrigation chamber, a submersible drainage pump is placed at the bottom of the pit, with dined with a drainage pipe with the bottom of the storm sewer channel, vertical guide grooves are arranged on the inner surface of the end wall of the irrigation chamber, in which the lateral edges of the movable vertical gate are connected, their vertical edges are connected by vertical rods with a float, while removable perforated baskets are installed vertically in the cleaning chamber, behind the last basket in the direction of the air in the roof there is an exhaust opening connected to an elevated exhaust shaft with a distribution a grill inside which an ionizer and an exhaust fan are placed.
RU2011141684/12A 2011-10-13 2011-10-13 Underground street air conditioner RU2499200C2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2581818C1 (en) * 2014-12-05 2016-04-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) Movable street air conditioner
RU2630446C2 (en) * 2016-02-29 2017-09-07 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Air purifier
RU2650284C1 (en) * 2016-11-25 2018-04-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Energy-saving inlet air preparation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1439358A1 (en) * 1986-06-06 1988-11-23 Ленинградское высшее военное инженерное строительное Краснознаменное училище им.генерала армии А.Н.Комаровского Apparatus for heat-moisture treatment of air
US6116033A (en) * 1997-12-10 2000-09-12 Nec Corporation Outside air conditioner
RU2301945C1 (en) * 2005-09-19 2007-06-27 Государственное образовательное учреждение высшего профессионального образования "Курский государственный технический университет" Method and the device for purification of the street air
CN101029758A (en) * 2006-03-03 2007-09-05 涂前文 Multi-point atomizing central air-conditioner without nozzle
RU2425293C1 (en) * 2009-10-26 2011-07-27 Государственное образовательное учреждение высшего Профессионального образования "Юго-Западный государственный университет" (ЮЗ ГУ) Outdoor conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1439358A1 (en) * 1986-06-06 1988-11-23 Ленинградское высшее военное инженерное строительное Краснознаменное училище им.генерала армии А.Н.Комаровского Apparatus for heat-moisture treatment of air
US6116033A (en) * 1997-12-10 2000-09-12 Nec Corporation Outside air conditioner
RU2301945C1 (en) * 2005-09-19 2007-06-27 Государственное образовательное учреждение высшего профессионального образования "Курский государственный технический университет" Method and the device for purification of the street air
CN101029758A (en) * 2006-03-03 2007-09-05 涂前文 Multi-point atomizing central air-conditioner without nozzle
RU2425293C1 (en) * 2009-10-26 2011-07-27 Государственное образовательное учреждение высшего Профессионального образования "Юго-Западный государственный университет" (ЮЗ ГУ) Outdoor conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2581818C1 (en) * 2014-12-05 2016-04-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) Movable street air conditioner
RU2630446C2 (en) * 2016-02-29 2017-09-07 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Air purifier
RU2650284C1 (en) * 2016-11-25 2018-04-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Юго-Западный государственный университет" (ЮЗГУ) Energy-saving inlet air preparation system

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