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Rated evaporation capacity 20t/h natural gas steam boiler exported to Kazakhstan

2023-07-03 09:38:00

 1. Local natural conditions

The construction site is located in the south of Aktobesk City in the northwest of Kazakhstan. The terrain is relatively flat and the ground altitude is 125-270 m. It belongs to a significant continental climate and is located in an arid steppe area. The summer is extremely hot, with temperatures as high as 42°C. It is very cold in winter, the lowest temperature is -44℃, and the daily average temperature difference and the annual average temperature difference are relatively large. The total annual precipitation is 315-358mm. The southeast wind dominates in winter, and the northwest wind dominates in summer. The wind is strong and very frequent. The wind speed is 3.6-7.4 m/s, the maximum wind speed is 32m/s, and the depth of permafrost is 1.6 m. The seismic intensity of the site is 6 degrees.

20t/h natural gas steam boiler

20t/h natural gas steam boiler

2. Natural gas parameters

no components Volume content, %
1 oxygen 0.01
2 nitrogen 1.30
3 methane 75.32
4 carbon dioxide 2.12
5 ethane 9.75
6 propane 5.94
7 Isobutane 1.52
8 n-butane 2.05
9 Isopentane 0.90
10 n-pentane 0.54
11 ethane 0.02
  total 100

3. Technical parameters of 20t/h natural gas steam boiler

device name gas boiler
Device No R-0201
Required quantity 1
Type of boiler steamer
steam production method natural gas
Source Gas Parameters 0.3MPag (adjustable) @45℃
gas components see note 6
Gas inlet pressure supplier determination
Boiler use Production
use address Kazakhstan
Rated evaporation 20t/h
Medium outlet temperature, ℃ 158.8
Media outlet pressure, KPag 0.6MPa
source water Demineralized water
Feed water temperature room temperature
power supply 380V
size supplier determination


1. Request a two-year spare parts list with pricing, recommendations.

2. Suppliers need to provide relevant information required for boiler inspection.

3. The source water is demineralized water. If you need to install a deoxygenated water device, please provide it with the supplier.

4. Considering the extreme climate in Kazakhstan (see Note 5 for local natural conditions), there is a danger of frost damage in the normal setting of water replenishment pumps and water replenishment tanks. A direct desalination chain boiler water replenishment system may be considered. If it is necessary to add, please consider antifreeze measures.

Two Sets of 20 Tons Gas Boiler in Iran

This production line in Iran was invested by an Iran customer who finally chose ZBG’s solution after many comparisons and analyses. In this Iran project, we recommended the SZS series boiler, water tube and packaged type, high combustion efficiency and automatic control, which can better meet the paper plant's needs.

A few days ago, the efficiency test report data of SZS20-1.25-Y.Q boilers produced by Zhengzhou Boiler Co., Ltd. shows that the thermal efficiency reached 98.17%, higher than thermal efficiency target value of the national standard. In particular, the emission concentration of NOx is 26.53mg / m3, which attract a lot of attention, and has been highly praised by customers.

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