WO1980000486A1 - Systeme pour maintenir des conditions convenables d'aeration dans des etables et pour la recuperation des sous produits - Google Patents

Systeme pour maintenir des conditions convenables d'aeration dans des etables et pour la recuperation des sous produits Download PDF

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Publication number
WO1980000486A1
WO1980000486A1 PCT/SE1979/000170 SE7900170W WO8000486A1 WO 1980000486 A1 WO1980000486 A1 WO 1980000486A1 SE 7900170 W SE7900170 W SE 7900170W WO 8000486 A1 WO8000486 A1 WO 8000486A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
carbon dioxide
scrubber
stable
conditioning system
Prior art date
Application number
PCT/SE1979/000170
Other languages
English (en)
Inventor
K Ekstroem
Original Assignee
Vaestsvensk En Teknik Kb
K Ekstroem
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vaestsvensk En Teknik Kb, K Ekstroem filed Critical Vaestsvensk En Teknik Kb
Publication of WO1980000486A1 publication Critical patent/WO1980000486A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Definitions

  • the aim of the present invention is to propose a conditioning system, which by partly using known technology meets the requirements concerning the environmental conditions and a high air standard, and which also is so compact that it can easily be installed in existing animal stables.
  • a conditioning system which by partly using known technology meets the requirements concerning the environmental conditions and a high air standard, and which also is so compact that it can easily be installed in existing animal stables.
  • a conditioning system comprises at least one outlet conduit and at least one inlet conduit and is characterized in a scrubber for washing the air removed from the stable, a heat absorbing battery, located downstream of the scrubber and arranged to operate under such conditions, that the humidity and possible remaining ammonia will be condensed, and further means for removing a quantity of carbon dioxide containing air from the circulating bulk of air, determined by the desirable carbon dioxide content within the stable while supplying a corresponding amount of fresh air to the system.
  • the scrubber will, in the first hand, remove dust, but carbon dioxide as well as ammonia will be dissolved in the washing water, and may also, in the presence of water, react and will then form ammonium carbonate. This is insoluble and can easily be separated out.
  • Carbon dioxide is a noticeable constituent in the exhausted air, and in spite of some part thereof being removed in the scrubber a residue will remain, part of which is conducted away from the circulating system in a last step.
  • the scrubber is preferably connected to a reaction and sedimentation vessel containing a chemical solution, preferably calcium hydroxide, for precipitating carbon dioxide dissolved in the scrubber fluid.
  • a chemical solution preferably calcium hydroxide
  • the temperature and the humidity should be maintained substantially constant in order to promote an optimal rate of growth, or milk production, in relation to the input of fodder.
  • Measurments have for instance shown a marked peak in the growth curve ( increase in grammes/day as a function of the termperature at varying relative humidity) for pigs, at an indoor temperature of 25oC and a relative humidity of 50% .
  • Such an atmosphere will however, together with dust and other particles dispersed in the air, i.a. during the feeding of the animals, cause favourable conditions for pathogenic micro-organisms , which is unacceptable .
  • the desiderata above referred to will be met by installing in a well-insulated stable 10 an outlet conduit 11 and an inlet conduit 12 provided with a number of collecting and distribution means 13 end 14, respectively. These means are dimensioned and located so an estimated maximum of stable air may be extracted and supplied, respectively, at a low noise level, and with a low temperature gradient within the stable.
  • the conduits are connected to a cooling battery 15 and an air circulation fan 16, which together with further components to be described below, are located in a room 17, separate from the stable, and which form a return flow system 18 for the stable air.
  • the system is very compact and thus well suited to be mounted in part of the fodder storage space, which is usually provided in conjunction. with animal stables in farm buildings.
  • the components pertaining to the system should be heat insulated (not shown).
  • the room 17 may be heat insulated.
  • the outlet conduit 11 is connected to a gas-washing device 19, a so called scrubber, to the upper part of which a washing fluid is supplied by way of a pipe 20, and is then permitted to flow freely over baffles 21.
  • the outflowing air will be purified, when it passes through the fluid curtains formed at the baffles, in the first hand mechanically by the dust particles being entrained in the fluid, but also chemically by a part of the carbon dioxide carried by the air being precipitated (depending upon the ratio between precipitating agents and volume of air). Hydrogen sulphide, which appears in limited amounts but is highly corrosive, will also be dissolved in the washing fluid.
  • the washing fluid is drained through a pipe 22 to a reaction and sedimentation vessel 23, where an agent, preferably milk of lime (Ca(OH) 2 ) is added.
  • the agent will precipitate the gases as calcium carbonate and calcium sulphate, respectively.
  • the washing fluid is returned to the scrubber through a filter 25 by means of a pump 2k .
  • the precipitated matter mainly calcium carbonate is drained through a pipe 26 and is collected for distribution over cultivated ground, where addition of lime is desirable.
  • the supply of milk of lime and of water to the reaction vessel occurs by way of a pipe 27, which is connected to a mixing tank (not shown), the inlet to the vessel being provided with a float valve 28.
  • UV-filter 29 containing a number of fluorecent lamps 30, emitting ultra-violet light.
  • the lamps are symmetrically mounted in a cabinet 31 of such dimensions, that a low flow velocity will be maintained, and thus, a satisfactory, ultra-violet input is ensured to destroy obnoxious ingredients and pathogenic microorganisms. Thereafter the bulk of the air is returned to the stable.
  • a substantially constant level of carbon dioxide content is obtainable by branching-off part of the circulating air from the inlet conduit by way of a branch conduit 32.
  • the amount to be bled-off is determined by a valve means 33a provided with a control unit 33b, which is governed by a device 34 sensing the content of carbon dioxide in the air.
  • Additional air is supplied to the system immediately upstream of scrubber 13 by way of a conduit 35 having a valve means 36a with an associated control unit 36b, which is also governed by the sensing device 34.
  • Valve means 36a is arranged to operate simultaneously and uniformly with valve means 33a.
  • the amount of carbon dioxide removed in the scrubber by the precipitating agent may be determined by varying the amount of agent supplied.
  • the branch conduit 32 is to this end connected to an aerotemper 38 at the greenhouse by way of a valve means 39, mixing a certain amount of fresh air to the ventilation plant of the greenhouse.
  • a condensate pipe 40 will supply fertilizer to the greenhouse by way of a pipe 40a.
  • the ammonia contained in the stable air will condense together with water in. the cooling battery 15, which makes the condensate suitable for irrigation purposes.
  • a stock of 250 pigs may produce 900 1/day, (of which about 1/3 will emanate from the scrubber).
  • a branch-off pipe 40b is also provided for alternative connection to the lime mud outlet 26.
  • a stock of pigs above referred to which may be regarded as a rather small one, will produce an amount of heat corresponding to about 29 000 kcal/h.
  • a recovery of this heat is made by means of a heat pump 41, the evaporator of which is formed by the cooling battery 15, above referred to, and the condensor 42 of which forms part of a low temperature heating system for the greenhouse, or, during the summer months, for the drying of fodder.
  • the temperature of the heat transferring fluid is about 40-50oC after the heat pump, and the fluid is circulated through the heating battery 43 of aerotemper 38, by way of pipes 44, 45 and a pump 46.
  • the heat pump will obtain a very high heat factor (about 5) as compared with that of a conventional heat pump (about 2,5), where the outlet air is cooled, depending upon the ppssibility to maintain a high evaporation temperature (about +5oC) with a constant temperature in the stable of about 25oC.
  • Te is ⁇ -20oC when the ambient temperature during the winter may be about -10oC, as an average.
  • a plant where the prime mover 48 operating the compressor 47 of heat pump 41 is a diesel engine may be attractive at a farm, which consumes a big quantity of diesel fuels for its tractors a.s.f.
  • the cooling water of the diesel engine is circulated through a first heat exchanger 49.
  • the cooling water is then made to pass a second heat exchanger 50, located in the exhaust conduit of the engine.
  • Those two heat exchangers for the recovery of the cooling water heat (t ⁇ 60-80°C), and exhaust gas heat (t ⁇ 200-500°C) will form a high temperature heating system 51.
  • a heat transporting fluid may have a temperature of about 80°C, which is suitable for domestic heating purposes. or for heating of consumption water, by connection to a conventional central heating system.
  • the plant above described may of course be varied in many ways within the scope of the appended claims depending i.a. upon the size of the stock and the kind of animals involved. It may for instance be advice able to provide a suction fan downstream of the scrubber 19 and possibly to adjust the temperature of the air downstream of the cooling battery by means of a heater 52, which is fed by hot water from the condensor.
  • the amount of heat recoverable from the stable may occasionally be bigger, or less, than the occasional need.
  • a heat accumulator 53 for the heat from the stable may therefore advantageously be provided.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Housing For Livestock And Birds (AREA)
  • Treating Waste Gases (AREA)

Abstract

Le systeme comprend un epurateur (19) pour le lavage de l'air de l'etable, et une batterie de refroidissement (15) en aval de l'epurateur, ainsi que des moyens supplementaires (33, 34) pour la derivation d'une quantite d'air contenant du gaz carbonique du volume total de l'air circulant au travers de l'etable. L'eau de l'epurateur peut contenir des produits chimiques qui pourront se combiner au gaz carbonique, la batterie de refroidissement forme de preference l'evaporateur d'une pompe a chaleur et l'air derive est avantageusement fourni a un ensemble consommant une atmosphere contenant du gaz carbonique, par exemple une serre.
PCT/SE1979/000170 1978-08-15 1979-08-10 Systeme pour maintenir des conditions convenables d'aeration dans des etables et pour la recuperation des sous produits WO1980000486A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7808624A SE413202B (sv) 1978-08-15 1978-08-15 Anordning for att kemiskt och mekaniskt rena cirkulationsluften i djurstallar under utnyttjande av erhallna biprodukter
SE7808624 1978-08-15

Publications (1)

Publication Number Publication Date
WO1980000486A1 true WO1980000486A1 (fr) 1980-03-20

Family

ID=20335589

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1979/000170 WO1980000486A1 (fr) 1978-08-15 1979-08-10 Systeme pour maintenir des conditions convenables d'aeration dans des etables et pour la recuperation des sous produits

Country Status (2)

Country Link
SE (1) SE413202B (fr)
WO (1) WO1980000486A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084577A1 (fr) * 1982-01-21 1983-08-03 Központi Valto-Es Hitelbank Rt Innovacios Alap Procédé et appareil de transfert de chaleur pour le conditionnement d'air de locaux pour des êtres vivants en grand nombre, en particulier pour cheptel
WO1985005436A1 (fr) * 1984-05-18 1985-12-05 Innofinance Általános Innovációs Pénzintézet Systeme a economie d'energie pour le chauffage et/ou le refroidissement d'installations, en particulier des installations d'elevage d'animaux, se composant de pieces prevues pour le sejour de nombreux etres vivants
EP0635205A1 (fr) * 1993-07-20 1995-01-25 Tolsma Techniek B.V. Contrôle de climatisation et procédé de contrôle de climatisation d'étables pour bovins et similaires
WO1998004121A1 (fr) * 1996-07-26 1998-02-05 Alfa Laval Agri Ab Stalle de traite servant a loger un animal a soumettre a une action concernant les animaux
NL1005526C2 (nl) * 1997-03-13 1998-09-15 Adriaan Hubertus Johannes Van Symbiose van stallen met kassen.
NL1007583C2 (nl) * 1997-11-19 1999-05-20 Bokalan B V Stal voorzien van een klimaatregelsysteem, wasorgaan alsmede een werkwijze voor het regelen van het klimaat in een dergelijke stal.
NL1012089C2 (nl) * 1999-05-18 2000-11-21 Tolsma Techniek B V Luchtbehandelingsinrichting.
GB2501533A (en) * 2012-04-26 2013-10-30 Hydor Ltd Livestock house ventilation
CN105580738A (zh) * 2015-12-17 2016-05-18 承德市畜牧研究所 一种空气自净化牛舍
US9730397B2 (en) 2006-06-29 2017-08-15 Houweling Nurseries Oxnard, Inc. Greenhouse and forced greenhouse climate control system and method
RU2637747C2 (ru) * 2016-06-01 2017-12-06 Виктор Сергеевич Логойда Способ для комплексной очистки отработавших газов автомобильной техники от контаминантов в закрытых помещениях
CN110026061A (zh) * 2019-04-29 2019-07-19 葛洪伟 畜禽舍冬季舍内空气净化装置
US10405500B2 (en) 2012-09-06 2019-09-10 Glass Investment Projects, Inc. Adjustable endcap for use with a greenhouse distribution conduit
US11412668B2 (en) 2006-06-29 2022-08-16 Houweling Intellectual Properties, Inc. Greenhouse and forced greenhouse climate control system and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276970A (en) * 1940-04-23 1942-03-17 Hibberd Frederick Hyde Air conditioning system
US3747501A (en) * 1966-04-19 1973-07-24 O Honda System and method for climate control in greenhouses

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276970A (en) * 1940-04-23 1942-03-17 Hibberd Frederick Hyde Air conditioning system
US3747501A (en) * 1966-04-19 1973-07-24 O Honda System and method for climate control in greenhouses

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Nils Holmqvist: "Värmepumpuppvärmning av lantbostäder", Försök och Forskning, No 12 December 1948, see pages 89 - 90 *

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084577A1 (fr) * 1982-01-21 1983-08-03 Központi Valto-Es Hitelbank Rt Innovacios Alap Procédé et appareil de transfert de chaleur pour le conditionnement d'air de locaux pour des êtres vivants en grand nombre, en particulier pour cheptel
WO1985005436A1 (fr) * 1984-05-18 1985-12-05 Innofinance Általános Innovációs Pénzintézet Systeme a economie d'energie pour le chauffage et/ou le refroidissement d'installations, en particulier des installations d'elevage d'animaux, se composant de pieces prevues pour le sejour de nombreux etres vivants
US4747537A (en) * 1984-05-18 1988-05-31 Innofinance Altalanos Innovacios Penzintezet Energy saving system for controlling the temperature of buildings used for raising large numbers of animals
EP0635205A1 (fr) * 1993-07-20 1995-01-25 Tolsma Techniek B.V. Contrôle de climatisation et procédé de contrôle de climatisation d'étables pour bovins et similaires
WO1998004121A1 (fr) * 1996-07-26 1998-02-05 Alfa Laval Agri Ab Stalle de traite servant a loger un animal a soumettre a une action concernant les animaux
NL1005526C2 (nl) * 1997-03-13 1998-09-15 Adriaan Hubertus Johannes Van Symbiose van stallen met kassen.
WO1998039963A1 (fr) * 1997-03-13 1998-09-17 Wijngaart Adriaan Hubertus Joh Symbiose entre etables et serres
NL1007583C2 (nl) * 1997-11-19 1999-05-20 Bokalan B V Stal voorzien van een klimaatregelsysteem, wasorgaan alsmede een werkwijze voor het regelen van het klimaat in een dergelijke stal.
WO1999025179A1 (fr) * 1997-11-19 1999-05-27 Bokalan B.V. Ecurie equipee d'un systeme de regulation climatique, et procede de regulation climatique de cette ecurie
US6374623B1 (en) 1997-11-19 2002-04-23 Bokalan B.V./Richard Kusters Stable providing with a climate control system, and also a method for controlling the climate in such a stable
EP1053674A1 (fr) * 1999-05-18 2000-11-22 Tolsma Techniek B.V. Appareil de conditionnement d'air
NL1012089C2 (nl) * 1999-05-18 2000-11-21 Tolsma Techniek B V Luchtbehandelingsinrichting.
US9730397B2 (en) 2006-06-29 2017-08-15 Houweling Nurseries Oxnard, Inc. Greenhouse and forced greenhouse climate control system and method
US10278338B2 (en) 2006-06-29 2019-05-07 Glass Investments Projects, Inc. Greenhouse and forced greenhouse climate control system and method
US10278337B2 (en) 2006-06-29 2019-05-07 Glass Investments Projects, Inc. Greenhouse and forced greenhouse climate control system and method
US11412668B2 (en) 2006-06-29 2022-08-16 Houweling Intellectual Properties, Inc. Greenhouse and forced greenhouse climate control system and method
GB2501533A (en) * 2012-04-26 2013-10-30 Hydor Ltd Livestock house ventilation
GB2501533B (en) * 2012-04-26 2014-03-12 Hydor Ltd A livestock house ventilation system and method
US10405500B2 (en) 2012-09-06 2019-09-10 Glass Investment Projects, Inc. Adjustable endcap for use with a greenhouse distribution conduit
CN105580738A (zh) * 2015-12-17 2016-05-18 承德市畜牧研究所 一种空气自净化牛舍
RU2637747C2 (ru) * 2016-06-01 2017-12-06 Виктор Сергеевич Логойда Способ для комплексной очистки отработавших газов автомобильной техники от контаминантов в закрытых помещениях
CN110026061A (zh) * 2019-04-29 2019-07-19 葛洪伟 畜禽舍冬季舍内空气净化装置
CN110026061B (zh) * 2019-04-29 2022-04-01 葛洪伟 畜禽舍冬季舍内空气净化装置

Also Published As

Publication number Publication date
SE7808624L (sv) 1980-02-16
SE413202B (sv) 1980-04-28

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