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Designs of heating devices (a part 2)

Steel panel radiators differ from pig-iron in smaller weight and thermal inertia . At weight reduction approximately in 2,5 times the indicator of a heat transfer is not worse, than at pig-iron radiators. Their appearance meets architecturally-building requirements, steel panels are easily cleared of a dust.

the Table 21 

the Surface of heating of pig-iron radiators and ridge pipes

radiator Type

the Surface of heating of one section

F, m 2

F ek , ekm

the Radiators which are let out by the industry

М-140-АО

0,299

0,35

М-140

0,254

0,31

М-140-АО-300

0,17

0,217

М-90

0,2

0,26

РД-90с

0,203

0,275

Ridge pipes pig-iron

Pipes with round edges in length, m:

0,5

1

0,69

0,75

1,5

1,03

1

2

1,38

1,5

3

2,07

2

4

2,76

the Radiators which have been laid off

М-132

0,252

0,269

М-150

0,252

0,269

МН-150

0,238

0,3

НМ-150

0,254

0,31

Н-136

0,285

0,285

Н-150

0,3

0,3

Н-150а

0,211

0,28

Н-150 (uluchsh.)

0,245

0,31

РД-26

0,205

0,275

В-85А

0,176

0,24

М-1000

0,46

0,492

"¤юыічр-3"

0,24

0,286

"¤юыічр-6"

0,46

0,492

"-хЁшх"

0,486

0,5

"¦шэёъ-100"

0,274

0,31

"+шушхэшёхёъшщ"

0,175

0,206

Lor-150

0,2

0,224

Lor-300

0,13

0,155

RSH

0,25

0,286

RKSH

0,25

0,241

the Thermal panel

0,389

0,445

Steel panel radiators have rather small area of a heating surface because of what sometimes it is necessary to resort to installation of panel radiators in pairs (in two ranks on distance of 40 mm).

In tab. 22 characteristics let out steel stamped radiatornyh ярэхыхщ. 

are resulted

Table 22.

the Technical characteristics of steel stamped radiators

 

radiator Type

the Unit of measure

a heating Surface

Length And, mm

F, m 2

Fэк, ekm

1

2

3

4

5

Kolonchatye single

М-З500-1

1 panel

0,64

0,83

518

М-З500-2

the Same

0,96

1,25

766

М-З500-3

"

1,2

1,56

952

М-З500-4

"

1,6

2,08

1262

М-З350-1

"

0,425

0,6

518

М-З350-2

"

0,637

0,89

766

М-З350-3

"

0,828

1,16

1014

М-З350-4

"

1,062

1,49

1262

tab. 22 Continuation

1

2

3

4

5

Kolonchatye coupled

2M-Z500-1

1 kompl.

1,28

1,41

518

2M-Z500-2

the Same

1,92

2,12

766

2M-Z500-3

"

2,4

2,65

952

2M-Z500-4

"

3,2

3,53

1262

2M-Z350-1

"

0,85

1,01

518

2M-Z350-2

"

1,275

1,52

766

2M-Z350-3

"

1,656

1,97

1014

2M-Z350-4

 

2,125

2,52

1262

Zmeevikovye single

ЗС-11-3

1 panel

0,74

0,97

545

ЗС-11-4

the Same

0,93

1,24

694

ЗС-11-5

"

1,13

1,51

844

ЗС-11-6

"

1,35

1,81

1018

ЗС-11-7

"

1,6

2,13

1190

Zmeevikovye

Coupled

ЗС-21-3

1 kompl.

1,46

1,65

545

ЗС-21-4

the Same

1,86

2,1

694

ЗС-21-5

"

2,26

2,57

844

ЗС-21-6

"

2,7

3,08

1018

ЗС-21-7

"

3,2

3,62

1190

Listotrubnye single

КЛТ-1

1 panel

0,81

0,77

600

КЛТ-2

the Same

1,08

1,03

800

КЛТ-3

"

1,35

1,29

100

КЛТ-4

"

1,62

1,55

1200

КЛТ-5

"

1,89

1,8

1400

КЛТ-6

"

2,16

2,06

1600

КЛТ-7

"

2,7

2,58

2000

tab. Continuation 22 

1

2

3

4

5

Listotrubnye coupled

2КЛТ1

1 kompl.

1,62

1,31

600

2КЛТ2

the Same

2,16

1,75

800

2КЛТ3

"

2,7

2,19

100

2КЛТ4

"

3,24

2,64

1200

2КЛТ5

"

3,78

3,06

1400

2КЛТ6

"

4,32

3,5

1600

2КЛТ7

"

5,4

4,38

2000

Concrete panel radiators (heating panels) (fig. 35) can have the concreted heating elements zmeevikovoj or the register form from steel pipes in diameter of 15-20 mm, and also concrete, glass or plastic channels of a various configuration.

Concrete panels possess the factor of a heat transfer close to indicators of other devices with a smooth surface, and also high thermal pressure of metal. The devices, especially combined type, answer strict sanitary-and-hygienic, architecturally-building and other requirements. Difficulties of repair concern lacks of the combined concrete panels, the big thermal inertia complicating regulation teplopodachi in premises. Lacks of devices of added type are the raised expenses of manual skills at their manufacturing and installation, reduction of a useful area of a floor of a premise. Increase also teplopoteri through in addition warmed up external protections of buildings.

Gladkotrubnym name the device from the several steel pipes connected together forming channels for the heat-carrier zmeevikovoj or the register form (fig. 36).

In a coil pipes are connected consistently in a direction of movement of the heat-carrier that increases speed of its movement and hydraulic resistance of the device.
At parallel connection of pipes in the register the heat-carrier stream shares, speed of its movement and hydraulic resistance of the device decreases.

Schemes of channels for the heat-carrier in panel radiators

a Fig. 34. Schemes of channels for the heat-carrier in panel radiators
And - kolonchatoj forms; - zmeevikovyj double-thread; in - zmeevikovyj four-running

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