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Home / Product Center / Molten Salt Heater / Fuel type molten salt furnace
Fuel type molten salt furnace
Fuel type molten salt furnace
  • ModelRYY
  • FuelLight oil, ethanol
  • Capacity350~23260 KW
  • Pressure1.0~2.0 MPa
  • ApplicationWidely used in various industries requiring high temperature heating or drying
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Product Detail Product introduction

  the molten salt furnace is an upright cylindrical coil-type tube structure. the heating surface is composed of inner and outer spiral coils arranged in two layers. the burner is placed in the center of the furnace top and the flame of the combustion chamber is from the top to the bottom and the inner layer disk. after the radiation heat exchange on the inner side of the tube, the high-temperature flue gas generated by combustion enters the first convection heat exchange zone composed of the inner and outer coils from the bottom to the bottom of the inner coil tube, and then passes through the convection heat exchanger. the second convection heat exchange zone formed by the upper part of the coiled tubing entering the outer coil and the shell is exhaled from the exhaust port at the lower part of the housing after the convection heat exchange from top to bottom. the molten salt heat carrier is fed into the furnace in 8 passes through the lower header (5 in the inner coil and 3 in the outer coil). after the heat is absorbed in the furnace, it is collected in the upper header and discharged from the upper header. . the outer coil is supported on the hearth support, and the inner coil is hung on the shell by a hanging device. the furnace body is shipped in a fully assembled form after the manufacturing plant is manufactured.

  in the 350 ~ 600 °c temperature range, molten salt is usually used as a heat carrier.

  the currently used molten salt is a ternary inorganic salt: a melt mixture formed after melting, belonging to dangerous articles. compared with the heat transfer oil, the molten salt can obtain a higher use temperature under similar pressure, and has good thermal stability. its main physical characteristics data are as follows: the melting point is 142°c. at a density of 150°c, the temperature decreases linearly within this temperature range. the kinematic viscosity decreases exponentially with increasing temperature and approaches a stable value at 400-550°c. specific heat capacity thermal conductivity (at 500°c). solid salt expansion coefficient melting salt expansion coefficient.

Basic parameters The basic parameters
Basic technical parameters of Fuel type molten salt furnace
Model Parameters RYY(Q)-350
(30)
RYY(Q)-600
(50)
RYY(Q)-850
(75)
RYY(Q)-1200
(100)
RYY(Q)-1400
(125)
RYY(Q)-2400
(200)
RYY(Q)-3500
(300)
RYY(Q)-4600
(400)
Rated thermal power   kW 350 600 850 1200 1400 2400 3500 4600
Thermal efficiency  % 70 70 70 70 70 70 75 75
design pressure     MPa 1 1 1 1.1 1.1 1.1 1.3 1.3
Highest medium temperature
  ℃
450 450 450 450 450 450 450 450
Furnace media capacity    m3 0.35 0.5 0.7 0.95 1.7 3 4.9 5
Circulation amount
m3 /h
40 40 50 80 170 80 250 170
Pipeline connection interface  DN 100 100 125 125 150 150 250 200
System capacity  kW 30 30 30 50 55 60 130 130
Dimensions diameter mm Φ1710 Φ1710 Φ1910 Φ2020 Φ2400 Φ2970 Φ3250 Φ3400
height mm 2600 3300 3600 4100 4000 6400 7000 8000
Total equipment weight  kg 3900 4350 5290 6360 8600 18410 25000 31000
 
 
Model Parameters RYY(Q)-7000
(600)
RYY(Q)-8170
(700)
RYY(Q)-10500
(900)
RYY(Q)-12000
(1000)
RYY(Q)-14000
(1200)
RYY(Q)-15122
(1300)
RYY(Q)-17445
(1500)
RYY(Q)-23260
(2000)
Rated thermal power    kW 7000 8170 10500 12000 14000 15122 17445 23260
Thermal efficiency  % 75 75 75 75 75 75 75 75
design pressure     MPa 1.3 1.8 1.8 1.9 1.6 1.6 2.0 1.8
Highest medium temperature
 ℃
450 450 450 450 450 450 450 450
Furnace media capacity   m3 9.1 10.9 13 13 15 18 21 25
Circulation amount
m3 /h
230 250 360 400 440 300 500 900
Pipeline connection interface  DN 200 250 300 300 300 250 350 400
Note: Technical parameters are subject to change without notice.
Advantage The working principle of
  • Does not decompose below 455°C;
  • Slow decomposition of N­­ANO­2­ at 455~540°C;
  • If exposed to air, N­­ANO­2­ will also undergo an oxidation reaction. ;
  • At temperatures above 820 °C, the decomposition of N­­ANO­2 is very strong, and the nitrogen produced will cause the molten salt to boil, and the melting point will increase due to the compositional changes caused by thermal decomposition;
  • The body steel molten salt furnace should adopt vertical cylindrical coil type, which has two reasons: First, the vertical cylinder coil type structure combustion chamber flame fullness is good; Second, the vertical cylindrical coil type knot is conducive to Medium (molten salt or water) emissions.
Case Successful cases
Project: Danyang Auxiliary Chemical Plant & 5 million kcal YY(Q)W Thermal Fluid Heater Project Customer: Danyang Auxiliary Chemical Co., Ltd. Company profile: Domestic high-level auxiliary chemical plant Project type: Complete Project (Supply boiler, auxiliary equipment, installation and commissioning) Address: Dangyang Zhenjiang Matched boiler: YY(Q)W-6000Y(Q) Boiler Medium: OIL Rated evaporation: 5million kcal
Cooperative Client: Shandong Honghai Chemical Co., LTD Type:Gas/Oil-Fired Thermal Fluid Heater Model: YQL-17500Q Thermal Fluid Heater Thermal Power: 15 million kcal Location: Shandong Application: Petrochemical Industry
Cooperative Client: Pteris Global (Vietnam) Co., LTD Type:Coal-Fired Thermal Fluid Heaters Model: YLW-17500M Thermal Fluid Heater Thermal Power: 15 million kcal Location: Vietnam Application: Mechanical equipment
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