Energy-saving fuel oil organic heat carrier furnace

Abstract

The utility model discloses an energy -conserving fuel oil organic heat carrier stove, including the furnace body of horizontal cylinder structure, the furnace door is connected through the door hinge to the furnace door side of furnace body, the inside of furnace door is equipped with the burner, is equipped with the igniter gun on the burner, the inside of furnace body is equipped with the fire dam, the fire dam one side is equipped with spiral pipe coil, the fire dam other side is equipped with the smoke chamber, and the smoke chamber bottom is equipped with the blowdown, and the smoke chamber top is equipped with the smoke outlet and expansion tank, the inside of furnace body is equipped with nanometer reflection heat insulating layer, the outside of furnace body is equipped with vacuum heat preservation cover, the utility model discloses environmental protection performance is good, and maintenance is convenient, and the smoke chamber can on -line blowdown, need not stop furnace and clean ash, and the heat conducting oil slows down the aging because of nitrogen seal, and the furnace body outer surface improves the operating environment.

Description

Technical Field

[0001] This utility model belongs to the field of heat carrier furnace technology, and in particular relates to an energy-saving fuel oil organic heat carrier furnace. Background Technology

[0002] Traditional oil-fired organic heat carrier furnaces generally suffer from the following defects: large heat loss of the furnace body and high external surface temperature; unreasonable air distribution of the burner with a high excess air coefficient, resulting in large heat loss of flue gas; easy ash accumulation between the coil and the furnace wall, requiring furnace shutdown and door removal for ash cleaning, making maintenance difficult. In order to solve the above problems, an energy-saving oil-fired organic heat carrier furnace is proposed. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model provides an energy-saving fuel-fired organic heat carrier furnace with good environmental performance, convenient maintenance, online smoke discharge from the smoke chamber without the need for furnace shutdown and ash cleaning, slowed aging of heat transfer oil due to nitrogen sealing, and improved operating environment due to the furnace body exterior.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving fuel-fired organic heat carrier furnace, comprising a horizontal cylindrical furnace body, a furnace door connected to the side of the furnace body via a hinge, a burner provided inside the furnace door, an ignition gun provided on the burner, a fire baffle wall provided inside the furnace body, a spiral coil provided on one side of the fire baffle wall, a smoke chamber provided on the other side of the fire baffle wall, a drain outlet provided at the bottom of the smoke chamber, a smoke exhaust outlet and an expansion groove provided at the top of the smoke chamber, a nano-reflective heat insulation layer provided inside the furnace body, and a vacuum insulation sleeve provided outside the furnace body.

[0005] Preferably, the nano-reflective insulation layer is composed of multiple Al2O3-SiO2 nano-reflective films and ceramic fibers.

[0006] Preferably, the vacuum insulation jacket is a double-layer stainless steel jacket with a vacuum degree ≤5×10⁻⁶ in the middle. -2 Pa, the jacket is filled with aerogel powder.

[0007] Compared with the prior art, the beneficial effects of this utility model are: High thermal efficiency: The measured thermal efficiency reaches 94.6%, which is more than 4% higher than that of traditional furnaces; Good environmental performance: NOx emissions ≤150 mg / Nm³, meeting the strictest local standards; Convenient maintenance: The furnace door can be fully opened and the smoke chamber can be discharged online without stopping the furnace for ash cleaning; Long service life: The heat transfer oil is slowed down by nitrogen sealing, and the outer surface temperature of the furnace body is ≤40 ℃, improving the operating environment. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model. Detailed Implementation

[0009] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0010] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example

[0011] See appendix Figure 1 As shown, an energy-saving fuel-fired organic heat carrier furnace includes a horizontal cylindrical furnace body 1. The furnace body 1 is connected to a furnace door 2 via a hinge on its side. A burner 3 is provided inside the furnace door 2. An ignition gun 4 is provided on the burner 3. A fire baffle 8 is provided inside the furnace body. A spiral coil 5 is provided on one side of the fire baffle 8. A smoke chamber is provided on the other side of the fire baffle 8. A drain outlet 9 is provided at the bottom of the smoke chamber. A smoke exhaust outlet 10 and an expansion groove 11 are provided at the top of the smoke chamber. A nano-reflective heat insulation layer 7 is provided inside the furnace body 1. A vacuum insulation sleeve 6 is provided outside the furnace body 1.

[0012] Preferably, the nano-reflective heat insulation layer 7 is composed of a multilayer Al2O3-SiO2 nano-reflective film and ceramic fibers.

[0013] Preferably, the vacuum insulation jacket 6 is a double-layer stainless steel jacket with a vacuum degree ≤5×10⁻⁶ in the middle. -2 Pa, the jacket is filled with aerogel powder.

[0014] Working principle: The inner wall of the furnace is covered with a nano-reflective heat insulation layer 7, which reflects the radiant heat of the flame back into the furnace; the vacuum insulation jacket 6 on the outer wall reduces heat loss to ≤1%; an expanded smoke chamber is set behind the fire baffle 8, which reduces the flow rate and causes ash particles to settle; a large-diameter sewage outlet 9 is set at the bottom of the smoke chamber, which can realize online sewage discharge during operation.

[0015] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0016] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An energy-saving fuel-fired organic heat carrier furnace, comprising a horizontal cylindrical furnace body, characterized in that: The furnace body is connected to the furnace door via a hinge on its side. A burner is located inside the furnace door, and an ignition gun is mounted on the burner. A fire baffle is located inside the furnace body, with a spiral coil on one side of the fire baffle and a smoke chamber on the other side. A drain outlet is located at the bottom of the smoke chamber, and a smoke exhaust outlet and an expansion groove are located at the top of the smoke chamber. A nano-reflective heat insulation layer is located inside the furnace body, and a vacuum insulation sleeve is located outside the furnace body.

2. The energy-saving fuel-fired organic heat carrier furnace according to claim 1, characterized in that: The nano-reflective insulation layer is composed of multiple Al2O3-SiO2 nano-reflective films and ceramic fibers.

3. The energy-saving fuel-fired organic heat carrier furnace according to claim 1, characterized in that: The vacuum insulation jacket is a double-layer stainless steel jacket with a vacuum degree ≤5×10⁻⁶ in the middle. -2 Pa, the jacket is filled with aerogel powder.

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