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TS1 Type Thermal Hydrodynamic Pumps

 

 

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Commercial products (TU 3631-001-78515751-2007, Certificate of conformity # ROSS RU.AYa46.V12043) - TS1 type thermal hydrodynamic pumps - represent the standard induction motor of 3000rpm, supply voltage 380V, skid-mounted with a heat-generator, transforming mechanical energy into thermal energy.

 

They are completely ready for connection to a new or existing heating system, and the design and dimensions of the thermal hydrodynamic pump simplify its disposing and mounting in a heat supply unit.

 

For reliability it is recommended to apply at least two thermal hydrodynamic pumps in a heat supply unit. Preliminary selection of the thermal installations power applied for heating is executed by the specification - 1kW supplied thermal energy per 10sq.m of heated area (for Moscow region rated air temperature – 26°Ñ within a week).

Selection of the thermal hydrodynamic pump power is executed by the specification - 1kW of the electric motor installed capacity per 30sq.m of heated area.

Thermal hydrodynamic pumps must heat conditional typical (matching the requirements of Construction regulations) residential, household, cultural-entertaining premises, premises of industrial-economic purposes, etc., of the volume: TS1-055 – 5180m3, TS1-075 – 7060m3, TS1-090 – 8450m3, TS1-110 – 10200m3 (the thermal hydrodynamic pump marking specifies the installed capacity of the used electric motor).

Necessary temperature mode can be maintained in heated premises. For example, 20 - 22°C for living spaces, 15 - 18°C – industrial spaces, 8 - 12°C – warehouse. Temperature mode regulating is made by setting the heat carrier temperature range on the control panel. As heat carrier heats up to the set maximum temperature the thermal hydrodynamic pump turns off, as heat carrier cools to the minimum set temperature – turns on. It is generated exactly as much thermal energy as much heat loss of a heated object. During winter periods the operating time is more and less for autumn-spring periods. For the average heating season (for Moscow region it makes 210 days) the equipment operates 25-30% of time (see Table 1). Therefore we apply factor Koper. = 0.3 to preliminary calculation of financial expenditure for heating.

Automatics allow to make change-over of a temperature mode within a minute. In the evening a duty engineer can lower temperature in premises and before the beginning of working day set comfortable temperature in premises again. It allows additionally lower heating cost at least on 35%.

Table 1.

 

 

 

 

Organization

 

 

Building material

 

Volume of

Premises

Cube. m.

 

Object

purpose

Average temperature

degree

Electric power expenditure for a month, kW/hour

Consumed

Thermal power

per hour

KW

volume heated

1 kW, cubic m

Branch “Plastimex M”

Brick

20 433

Workshop

18-20

45 455

63,13

323,66

OOO “Rubej”

Sandwich-panels

22 000

Warehouse

8-10

20 000

27,78

 792,00

ZAO “Spline-Centre”

Brick

7 000

Office

20-22

15 000

20,83

336,00

PBOYuL Zamotaeva

Metallic hangar

4 500

Repair shop

16-18

8 171

11,35

391,56

OOO “Tuba”

Sandwich-panels

26 500

Department

18-20

54 000

75,00

353,33

OOO “Alex Terminal”

Sandwich-panels “Vental”

3 850

Office

22-24

40 318

44,29

569,78

28 400

Warehouse

8-10

OOO “Sever Svet”

(Cherepovets)

Sandwich-panels

7 200

Production department

15

10 117

13,74

523,81

OOO “Steklocenter”

(Kaliningrad)

Brick

6 000

Workshop

15-18

3 556

4,94

1214,80

 

Table 1 presents real expenses of the users only for one type - energy carrier (electric power) costs. Comparison of costs for heating and heat supply, which we conducted on the basis of six-years operating experience, show that energy carrier costs with thermal hydrodynamic pumps are lower than with heating coil and electrode boilers in 3-5 times, diesel fuel – in 8-10 times, gas-fired boilers – on 15%, central heating – in 3-5 times. Besides, multitariff electric counters are installed in many places. For example, the “Dubna” holiday camp (Sergiev Posad, Moscow region), where thermal hydrodynamic pumps work, has five-tariff counters. Water for heating and HWS heats up in an accumulative tank at the minimum tariff that sharply reduces the costs.

Maintenance costs for heating, heat supply and HWS with thermal hydrodynamic pumps much lower than with gas-fired boilers. Thermal hydrodynamic pumps are fire- and explosion-proof. They are simple in maintenance, an electrician without special training can serve them. Gas boiler-houses must be served by the specially qualified personnel, numerous controlling bodies regularly check an equipment condition, etc.

Maintenance of diesel and gas boiler-houses attached to a building is prohibited in some regions of Russia. We recommend to re-equip such boiler-houses with thermal hydrodynamic pumps as it minimizes capital outlays and also lowers maintenance costs.

Since a stage of licensing documentation reception capital outlays for construction of a gas boiler-house are more in many times than for thermal hydrodynamic pumps. Design of a gas boiler-house is more expensive, auxiliary equipment nomenclature is more difficult and more in terms of quantity, so-called “binding” including chimney. Expenses for gas pipeline from a main to a boiler-house, which cost can be more than the boiler cost, are separate charges. At the same time we regularly see users who could not lay a gas tube or heating main at all due to existing buildings.

The above-stated definitely leads to conclusion that construction of a heat supply station with thermal hydrodynamic pumps considerably cheaper and faster than construction of a gas boiler-house, and in some cases construction of a gas boiler-house is simply impossible.

Some not much competent persons express an opinion on higher reliability of heat sypply with gas and diesel boiler-houses in case of power cutoff. However, they forget that even solid-fuel boiler-houses have automatics and pump equipment, which require electricity. For socially important objects diesel-generators ensuring equipment functioning at off-design situations are provided. The Diesel-generator must have high capacity to maintenance operation of thermal hydrodynamic pumps. Off-design situations do not happen often, therefore economy with a normal heat supply will repay with interest a little higher cost of the diesel-generator.

Thermal hydrodynamic pumps can be applied not only in stationary heat supply stations. Practically always fast-erected constructions of modular type are used in construction. Heating of such constructions is possible and necessary to make with building block heat supply station (BBHSS), which construction includes one or two thermal hydrodynamic pumps, circulating pumps, expansion tanks, filters, sensors, automatics, etc. We developed design of a typical BBHSS, and some modules in modification - with one and three TS1-055 installations – were manufactured. Full-scale tests and design adjustment of a pilot BBHSS for heating of derricks have been successfully conducted for 2007/2008 heating season.