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Ventilation systems poultry

Agrotechnics | Poultry Farming | Ventilation systems


Specialist for quality stable microclimate in poltry farming objects:

  • Our phylosophy of ventilation
  • Underpressure ventilation
  • Isobaric ventilation
  • Natural ventilation
  • Over-pressure ventilation
  • Monitoring systems of microclimate

 

Our phylosophy of ventilation

We offer solution in all types of stables and stabling systems that ensure optimal results for breeding. We are engaged in providing the ideal microclimate for poultry, because a high quality enviroment makes far better performing. We work with new terms like „effective temperature“ (temperature that the animal feels) and THI (temperature-humidity index, it is always necessary to check temperature and relative humidity), or HSI (Heat stress index = temperature at changing relative humidity).

Ventilation systems are made from approved components for:

  • Ventilation
  • Heating
  • Cooling of microclimate

 

NEWS -ECSP-MICROCLIMA MANAGEMENT

(ENVIRONMENTAL CONTROL IN THE POULTRY PRODUCTION – a complex technological system for quality stable microclimate using the best components.

 

Principles of design

We know that a quality microclimate in poultry stables has an influence on health improvement and breeding performance, especially reducing mortality and the use of drugs. As well as temperature and relative humidity control, we are engaged in the complex optimising of microclimate components. That is the way why we take into account:

  • maximal ventilation animal/hour
  • minimal ventilation animal/hour and its regulation during the cold seasons and in small animal housing
  • standart ventilation during average temperatures
  • speed of air flow in the animal zone
  • number of air exchanges in a stable/hour
  • quantity of harmful gases in animal zone

 

 

Types of ventilation systems

Our systems contribute to excellent ventilation without draughts thereby promoting better health in poultry farming. We supply vacuum, compressed-air and impulse systems. We also solve diffuse ventilation problems, ventilation over central corridors or under-grid ventilation. In principle it is possible to use following ventilation systems:


Underpressure ventilation

„Combi“ ventilation

This is based on the combination above-mentioned systems. We divide minimal ventilation in cool season (wall vents or under-grid ventilation and chimneys in the roof) or in the season of fattening in poltry farming objects since the season of higher temperatures when gets higher temperatures the intensive system (mostly tunnel).

 

„Chimney“ ventilation

For clasical poltry farming objects especially for reconstructions. This involves an ideal and cheap system with supply valves in the form of polyurethane flaps or polypropylene windows (with the possibility of stable lighting) and air exit by chimneys in the roof.

 

„Cross“ ventilation

For narrow stables up to 12 – 15 m (for fattening poltry farming objects, and for breeding objects). This is a cheap and functional system, but is impossible to use a full cooling efect and regulate the exact homogenity of air in the stable.


„Tunnel“ ventilation

In combination with other systems it is very effective especially in the season of high temperatures and in areas with higher temperatures. Air inlets are on the sides and air exhaust using ventilators in the head of stable. In summer it is possible to add a cooling system in the other head of the stable. We offer a variation of under-grid ventilation for the cold season.

 

Isobaric ventilation

In stables where is no possibility of air supply trough walls it is necessery to use an isobaric system (or minimal underpressure system) with the inlet and outlet of air by chimneys. On air inlets can be placed mixing heads for air.


 

Natural ventilation

This system uses shutters that are operated by servomotors. The advantage is a possibility of providing natural ventilation during power cuts. This mostly we used with a combination of above-mentioned systems.

 


Over-pressure ventilation

This system is used where other systems cannot be instaled. Air is supplied from given zone by ventilators and is dissipated by gravity. This is suitable for systems with central temperature or air cooling.

Fundamentals for building ventilation systems

  • We carry out minimal ventilation so-called under-grid ventilation (part of all air capacity) – this system we can offer today cheaper than classic ventilation systems with a greater degree of accuracy in air diversion. Air supply is over special gravity ceiling flaps.
  • Standard ventilation will be classically implemented in chimneys or in walls by using wall-air-supply-valves
  • For highest temperatures we use so-called „tunnel efect“, where the increased speed of air flow cools animals. It has to naturally meet a number of conditions so that draughts are not caused.
  • In hot season of the year (and max. ventilation) it is necessary to use a combination with cooling system

 


COMPONENTS OF VENTILATION SYSTEMS


Exhaust and inlet chimneys

We supply chimney sets in many variations for mounting of ventilation systems with high output and low energy consumption. They have minimal pressure losses, they are accurately controllable and with minimal noisy. They are condensation proof and can be easily cleaned. Compared to competitors, we regulate chimney sets not only by entilation speed, but by servomotor controlled input flaps. We supply chimneys made from polyurethan, polypropylene or PVC

Fans

We offer classic axial asynchronous motor fans with an external rotor FC in outputs from 1.000 to 60.000 m3/hour. We supply motors inclusive extremely low-cost EC fulfilments. Both fulfilment Q – with square plate for an installation in the wall and fulfilment T – with fixing braces for an installation in chimneys. Motor cover is IP54 according to EN 60529, category 2, thermal class F (+155°C) CZ-EN 60 034-1. A temperature motor sensor (TK) is installed in each motor. Ventilators are of the balancing static type and are dynamic. The storage is in special grease covered ball-bearings for a maintance-free life which run quietly.

Ventilators are die cast aluminium with a square fixing plate for sizes FC040/045 is made of strength plastic (PS-TSG). For other sizes the square plate is zinc-coated plate equipped with double-barrelled plastic spray.

Advantages of asynchronous motor fans with external rotor:

  • robust proof construction
  • high efficiency
  • fluent voltage regulation from 0 to 100%
  • very silent running
  • easy construction, rotor with spatulas make an aluminium casting
  • aluminium material provides optimal cooling of motor


Technical specification and proportions:

Technical data

dp=0 Pa

dp=30 Pa

 

 

Power

Voltage

Current

Rpm

Volume

Noise

Type of fan

P [kW]

U [V]

Io [A]

Imax [A]

N [min-1]

V [m3/h]

V [m3/h]

dB

FC35-4EC3

0,16

1-230

0,75

0,96

1370

3460

3050

46

FC40-4EC3

0,26

1-230

1,2

1,55

1370

4730

4400

49

FC45-4EF3

0,38

1-230

1,9

2,25

1365

6350

5950

54

FC50-4EI4

0,51

1-230

2,3

2,7

1310

8000

7400

53

FC50-4DF3

0,53

3-230

1,1

1,2

1360

8330

7800

54

FC56-6EI4

0,43

1-230

1,95

2,1

880

8950

7950

49

FC63-6EI3

0,6

1-230

2,7

3

890

12500

1150

53

FC63-6DI3

0,58

3-230

1,4

1,4

910

12750

11650

53

FC71-6DF3

0,55

3-230

1,2

1,3

915

13600

12000

53

FC80-6DK3

1,3

3-230

2,6

2,9

900

22900

21400

55

FE91-6DF3

0,96

3-230

1,95

1,95

890

24000

21000

57

FE91-6EK3

0,96

1-230

4,6

4,8

830

23000

20000

57

  • Rated current in working point of characteristic of fans without regulation,
  • Max. current at fan running with the voltage speed control
  • Value by head loss 30 Pa, without waste by speed control
  • Level of sound pressure on the outlet side in distance 7m, 450 in axis of fan


Fans of construction Q without the protecting grid:

Type

A

B

B1

B5

D3

D4

L

kg

FC40-4EC3

490

127

 

84

461

9

540

10

FC45-4EF3

535

125

 

86

506

11

575

11,2

FC50-4EI3

615

135

 

86

557

11

655

14,8

FC50-4DF3

615

135

 

86

557

11

655

14,8

FC63-6EI3

750

130

154

64

664

11

805

22

FC63-6DI3

750

130

154

64

664

11

805

22

FC80-6DK3

910

193

224

34

869

14,5

970

41

FE71-6DF3

810

150

177

42

763

14,5

850

31

FE91-6DZ3

1010

190

 

58

977

14,5

1070

37

FE91-6EK3

1010

190

197

58

977

14,5

1070

41

  • Quadratic plate „Q“ by fans FC040/045/050 is made of plastic,
  • Quadratic plate „Q“ by fans FC63/080/FE071/091 is made of steel plate,
  • Protecting grid is necessary to order

 


Fans of construction Q without the protecting grid:

Type

A

B

B1

B5

D3

D4

L

kg

FC35-4EC3

435

92

 

50

375

9

485

7,8

FC40-4EF3

490

127

 

84

461

9

540

10,4

FC45-4EF3

535

125

 

86

506

11

575

11,8

FC50-4EF3

615

135

 

86

557

11

655

15,4

FC50-4DI3

615

135

 

86

557

11

655

13,2

FC56-6EF3

675

119

138

60

589

11

725

18,6

FC63-6EI3

750

130

154

64

664

11

805

23

FC63-6DI3

750

130

154

64

664

11

805

23

 

Fans of construction „T“ for the installation in chimneys without the protecting grid:

Type

B1

B2

B3

B4

D1

D2

kg

FC35-4EC3

120

114

33

86

353

355

4,7

FC40-4EF3

183

173

36

149

394

400

8

FC45-4EF3

198

188

33

147

444

456

8,7

FC50-4EF3

218

208

37

148

497

506

11,8

FC50-4DI3

198

188

37

148

497

506

11,8

FC56-6EF3

198

188

40

148

553

559

12

FC63-6EI3

218

208

43

141

627

636

13

FC63-6DI3

218

208

43

141

627

636

13

FE71-6DK3

219

213

68

177

703

720

21

FC80-6DK3

219

260

46

189

788

815

27

FE91-6DF3

229

209

51

175

905

910

22

FE91-6EK3

254

234

51

175

905

910

26

 

  • FC035-4ET.2C.3 with connecting cable, without condesator 4μ/400V
  • FC035-4ET.2C.3 sa kablom za povezivanje bez kondenzatora 4μ/400V

 


Fans for the tunnel ventilation

Ventilator 140, 1,5 HP

35.000 m3/h

Ventilator APP 50 with conus

23.200 m3/h

Ventilator APP 36 with conus

11.280 m3/h

Ventilator APP 50 without conus

20.150 m3/h

Ventilator APP 36 without conus

9.920 m3/h

 


Mixing fans

We use for optimal homogeneity of stable air all sorts mixing fans:

Fan PCF 955

5500 m3/h

230 V/50 Hz

67x67x37 20 Kg

Fan PCF1455

8000 m3/h

230 V/50 Hz

67x67x37 22 Kg

Fan PCF-E

5500 m3/h

230 V/50 Hz

53x52x32 14 Kg


Technical data „bin-shaped“ fan

  • Spatulas diameter: 650 mm
  • Total diameter: 780 mm
  • Air quantity: 14.000 m3/h
  • Supply voltage: 230 V
  • Current: 3,3 A
  • Motor output: 0,74 kW
  • Speed: 870 min-1
  • Coverage: IP 54
  • Regulation: by the help of transformer, electronic regulator with voltage control, if need be frequency transformer
  • Weight: 19 kg

 

Wall inlets

Wall inlets are the other pivotal component of ventilation quality. We supply classical wall inlets controled by servomotors and new gravity flaps with counterweights, this is the mechanically regulated underpressure according to fan traction, without delay it si typical for classic inlets. We supply them in polypropylene and in all sorts of outputs variations

 

 

 

Monitoring systems of microclimate

In modern livestock production there is increase pretensions for microclima quality in the stables. Even small difference from ideal conditions ("comfort zone") means stress creation and decrease of livestock efficiency or animal’s death. Our data logger offers ideal and cheap device for the control of main environmental parameters.

For effective animal husbandry is necessary to control air temperature, rel. humidity and ammonia level. For stress elimination by animals is more important to know not only standard temperature TDB, but also temperature TWB, which is temperature regarding to the air humidity. For optimal setup of the environmental microclima parameters we have to know the relation between temperature X ammonia level,temperature X air humidity and humidity X ammonia level. Data logger  is optimal equipment.

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