A heat exchanger heating device for a heat engine unit recovering waste heat

Abstract

The utility model discloses a heat recovery's heat engine unit heat exchanger heating device, including main frame, the top of main frame is fixedly installed with fan through bolt, the lower surface of fan is located in the inside fixed heating pipe of main frame, the both ends side surface of main frame equidistance is seted up and is installed hole, the side of main frame is fixed with controller, the inside of main frame is provided with even heating mechanism, can when heating pipe heating, the fan blowing passes through heating pipe and separates into the inside of top groove and side guide groove through the heat of guide plate, when entering the inside of top groove, even enter the top end heating treatment of heat exchanger through the top hole, through the inside of hollow board of side guide groove guide wind, again even to the side of heat exchanger is arranged to through the side hole, the convenience of even heating of heat exchanger is facilitated, improves the convenience of even heating of heating device installation in heat engine unit heat exchanger.

Description

Technical Field

[0001] This utility model belongs to the technical field of heating devices, specifically relating to a heating device for a heat exchanger of a thermal power unit that recovers waste heat. Background Technology

[0002] A thermal power unit is a plant that simultaneously produces electricity and heat (mainly hot water or steam for heating and industrial use). Its core function is to recover and utilize the "waste heat" that would otherwise be discarded into the environment during the power generation process. However, the heat recovered by the heat exchanger inside the waste heat recovery thermal power unit may not reach the approved heat capacity, so the heat exchanger needs to be heated. This is usually done by installing a heating device on the heat exchanger, and the existing heating devices are used to heat the heat exchanger on the waste heat recovery thermal power unit. Existing heating devices are installed on the heat exchanger of a thermal power unit for heating purposes. When heating, they are directly installed at a fixed position on the heat exchanger, and the heat outlet can only be directed at the fixed position. This makes it difficult to heat the heat exchanger evenly, reduces the heating effect, and affects the convenience of uniform heating when the heating device is installed on the heat exchanger of the thermal power unit. To address this issue, this utility model proposes a heating device for a thermal power unit heat exchanger that recovers waste heat. Utility Model Content

[0003] The purpose of this utility model is to provide a heating device for a heat exchanger of a thermal power unit that recovers waste heat, in order to solve the problem in the background art where, when the heating device is installed on the heat exchanger of the thermal power unit for heating, the heating device is fixed at a fixed position on the heat exchanger, and the heat outlet can only be directed to the fixed position for heating, which is not conducive to uniform heating of the heat exchanger and reduces the heating effect.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a heat exchanger heating device for a waste heat recovery thermal power unit, comprising a main frame, a fan fixedly mounted on the top of the main frame by bolts, a heating tube fixed on the lower surface of the fan inside the main frame, mounting holes equally spaced on both sides of the main frame, a controller fixed on the side of the main frame, a uniform heating mechanism inside the main frame, the uniform heating mechanism comprising an air-guiding assembly disposed at the top of the inside of the main frame, a top heating assembly disposed in the middle of the air-guiding assembly, side heating assemblies disposed on both sides inside the main frame, and protective assemblies disposed on the edges of the side heating assemblies; The surface of the mounting hole is provided with a reinforcing mounting mechanism, which includes a fixing component disposed on the surface of the mounting hole, and a rotating reinforcing component disposed on the outer surface of the fixing component.

[0005] Preferably, the air intake assembly includes two intake plates integrally formed inside the main frame, and the intake plates are installed at an angle.

[0006] Preferably, the top heating assembly includes a top groove formed between the inner sides of the two guide plates, with top holes equidistantly opened at the bottom of the inner side of the top groove, and side guide grooves formed between the outer surface of the guide plates and the inner side of the main frame.

[0007] Preferably, the side heating assembly includes a hollow plate integrally disposed on the inner side of the main frame, and the top end of the hollow plate is connected to the bottom end of the side guide groove, and side holes are equidistantly opened on the inner side of the hollow plate.

[0008] Preferably, the protective component includes a protective plate that is fixedly installed at the edge of the inner surface of the hollow plate by screws, and the protective plate has a U-shaped structure.

[0009] Preferably, the fixing component includes an externally threaded fixing ring welded and fixed to the end of the mounting hole on the surface of the main frame, and the externally threaded fixing ring and the mounting hole are on the same center line.

[0010] Preferably, the rotary reinforcement assembly includes an internal thread reinforcement cap that is threaded to the outer surface of the external thread fixing ring. Both sides of the internal thread reinforcement cap have engagement grooves, and a pressure block is integrally provided inside the internal thread reinforcement cap.

[0011] Compared with the prior art, the beneficial effects of this utility model are: By designing a uniform heating mechanism, when the heating tube is heating, the fan blows air through the heating tube, and the heat is separated by the guide plate and enters the interior of the top groove and the side groove. When it enters the interior of the top groove, it enters the top of the heat exchanger evenly through the top hole for heating treatment. The air is guided into the interior of the hollow plate through the side groove, and then enters again and is evenly discharged to the side of the heat exchanger through the side hole. This facilitates uniform heating of the heat exchanger and improves the convenience of uniform heating when the heating device is installed on the heat exchanger of the thermal power unit. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This utility model Figure 2 Enlarged structural diagram of section B; Figure 4 This utility model Figure 1 Enlarged structural diagram of section A; Figure 5 This is a partial cross-sectional view of the external threaded retaining ring, the internal threaded reinforcing cap, and the main frame of this utility model. In the diagram: 101, main frame; 1011, hollow plate; 1012, protective plate; 1013, side hole; 1014, guide plate; 1015, side guide groove; 1016, top groove; 1017, top hole; 102, fan; 103, controller; 104, mounting hole; 1041, external thread retaining ring; 1042, internal thread reinforcing cap; 1043, interlocking groove; 1044, pressure block; 105, heating tube. Detailed Implementation

[0013] 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, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figures 1 to 5 This utility model provides a technical solution: a heat exchanger heating device for a waste heat recovery thermal power unit, including a main frame 101, a fan 102 fixedly installed at the top of the main frame 101 by bolts, a heating tube 105 fixedly installed on the lower surface of the fan 102 inside the main frame 101, mounting holes 104 are equidistantly opened on both sides of the main frame 101, and a controller 103 is fixed on the side of the main frame 101. The main frame 101 is equipped with a uniform heating mechanism, which includes an air intake assembly located at the top of the main frame 101, a top heating assembly located in the middle of the air intake assembly, side heating assemblies located on both sides of the main frame 101, and protective assemblies located at the edges of the side heating assemblies. During heating, the uniform heating mechanism can introduce heat into the top and sides of the heat exchanger for uniform heating.

[0015] In order to facilitate the heating of both the middle and the sides by means of the air intake assembly, in this embodiment, preferably, the air intake assembly includes two intake plates 1014 integrally formed inside the main frame 101, and the intake plates 1014 are installed at an angle.

[0016] In order to facilitate the heating of the top of the heat exchanger by means of the top heating assembly, in this embodiment, preferably, the top heating assembly includes a top groove 1016 formed between the inner sides of the two guide plates 1014, and top holes 1017 are equidistantly opened at the bottom of the inner side of the top groove 1016. The outer surface of the guide plates 1014 and the inner side of the main frame 101 form side guide grooves 1015, which can allow heat to enter the interior of the top groove 1016 during heating, and allow heat to enter the top of the heat exchanger for heating through the top holes 1017.

[0017] In order to facilitate side heating of the heat exchanger through the side heating assembly, in this embodiment, preferably, the side heating assembly includes a hollow plate 1011 integrally disposed inside the main frame 101, and the top end of the hollow plate 1011 is connected to the bottom end of the side guide groove 1015. The inner side of the hollow plate 1011 is provided with side holes 1013 at equal intervals, so that when heating, after entering the interior of the hollow plate 1011 through the side guide groove 1015, it can be evenly blown into the side of the heat exchanger for heating again through the side holes 1013.

[0018] In order to facilitate close contact between the inner surface of the hollow plate 1011 and the surface of the heat exchanger through the protective component, in this embodiment, preferably, the protective component includes a protective plate 1012 fixedly installed at the edge of the inner surface of the hollow plate 1011 by screws, and the protective plate 1012 has a U-shaped structure, so that the side of the heat exchanger can be contacted through the protective plate 1012, which facilitates contact protection and prevents heat loss.

[0019] The surface of the mounting hole 104 is provided with a reinforcing mounting mechanism. The reinforcing mounting mechanism includes a fixing component provided on the surface of the mounting hole 104. The outer surface of the fixing component is provided with a rotating reinforcing component. After the bolt passes through the interior of the mounting hole 104 and fixes the main frame 101, the reinforcing mounting mechanism can further strengthen and fix it for more stable use.

[0020] In order to facilitate the rotational installation and reinforcement of the internal threaded reinforcing cap 1042 by means of a fixing component, in this embodiment, preferably, the fixing component includes an external threaded fixing ring 1041 welded and fixed to the end of the mounting hole 104 located on the surface of the main frame 101, and the external threaded fixing ring 1041 and the mounting hole 104 are on the same center line. After the end of the fixing bolt is inserted into the interior of the external threaded fixing ring 1041 for installation, the internal threaded reinforcing cap 1042 is rotated on the outer surface of the external threaded fixing ring 1041 for reinforcement installation.

[0021] To facilitate the installation and reinforcement of the fixing bolts through the rotational reinforcement assembly, in this embodiment, preferably, the rotational reinforcement assembly includes an internally threaded reinforcement cap 1042 threaded to the outer surface of the externally threaded fixing ring 1041. Both sides of the internally threaded reinforcement cap 1042 have engagement grooves 1043. An integral pressure block 1044 is provided inside the internally threaded reinforcement cap 1042. When the fixing bolt is rotated through the mounting hole 104, the wrench on the outer surface of the externally threaded fixing ring 1041 engages with the engagement groove 1043 to rotate the internally threaded reinforcement cap 1042 until the pressure block 1044 is pressed against the surface of the fixing bolt for reinforcement.

[0022] In this utility model, both the fan 102 and the heating tube 105 are electrically connected to the controller 103, and the controller 103 controls the fan 102 and the heating tube 105, which is existing technology and will not be described in detail.

[0023] The working principle and usage process of this utility model: Before use, the heat exchanger heating device of the waste heat recovery thermal power unit is first installed. The main frame 101 is closed on the top of the heat exchanger until the end extends to the side of the heat exchanger. The mounting hole 104 is aligned with the mounting position on the heat exchanger bracket. The bolt passes through the mounting hole 104 and is embedded into the mounting thread hole on the bracket and rotated to fix it. Therefore, when the heating device is fixedly installed, the end of the fixing bolt is rotated and embedded into the interior of the external thread fixing ring 1041. The wrench is engaged in the interior of the engagement groove 1043 and the internal thread reinforcing cap 1042 is rotated on the outer surface of the external thread fixing ring 1041 until the pressure block 1044 is pressed against the outer surface of the bolt. This facilitates the reinforcement and installation, and makes the heating device doubly reinforced during use. After installation, it is not easy to loosen or become unstable when subjected to external forces, thus improving the stability of the heating device when it is installed on the heat exchanger of the thermal power unit. Then, after installation, the protective plate 1012 on the surface of the hollow plate 1011 contacts the surface of the heat exchanger for protection. When heating is required, the controller 103 powers on the fan 102 and the heating tube 105 and controls the heating temperature of the heating tube 105. When the heating tube 105 is heating, the fan 102 blows air through the heating tube 105, and the heat is separated by the guide plate 1014 and enters the interior of the top groove 1016 and the side guide groove 1015. When it enters the interior of the top groove 1016, it enters the top of the heat exchanger evenly through the top hole 1017 for heating treatment. The air is drawn into the interior of the hollow plate 1011 through the side guide groove 1015, and then evenly discharged to the side of the heat exchanger through the side hole 1013, which facilitates uniform heating of the heat exchanger and improves the convenience of uniform heating when the heating device is installed on the heat exchanger of the thermal power unit.

[0024] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heat exchanger heating device for a waste heat recovery thermal power unit, comprising a main frame (101), wherein a fan (102) is fixedly mounted on the top of the main frame (101) by bolts, a heating tube (105) is fixedly mounted on the lower surface of the fan (102) inside the main frame (101), mounting holes (104) are equidistantly opened on both sides of the main frame (101), and a controller (103) is fixed on the side of the main frame (101), characterized in that: The main frame (101) is provided with a uniform heating mechanism inside. The uniform heating mechanism includes an air-guiding component located at the top of the inside of the main frame (101), a top heating component located in the middle of the air-guiding component, side heating components located on both sides of the inside of the main frame (101), and protective components located at the edges of the side heating components. The surface of the mounting hole (104) is provided with a reinforcing mounting mechanism, which includes a fixing component disposed on the surface of the mounting hole (104), and a rotating reinforcing component disposed on the outer surface of the fixing component.

2. The heat exchanger heating device for a waste heat recovery thermal power unit according to claim 1, characterized in that: The air intake assembly includes two intake plates (1014) integrally formed inside the main frame (101), and the intake plates (1014) are installed at an angle.

3. The heat exchanger heating device for a waste heat recovery thermal power unit according to claim 2, characterized in that: The top heating assembly includes a top groove (1016) formed between the inner sides of two guide plates (1014), and top holes (1017) are equidistantly provided at the bottom of the inner side of the top groove (1016). The outer surface of the guide plate (1014) and the inner side of the main frame (101) form a side guide groove (1015).

4. The heat exchanger heating device for a waste heat recovery thermal power unit according to claim 3, characterized in that: The side heating assembly includes a hollow plate (1011) integrally disposed inside the main frame (101), and the top end of the hollow plate (1011) is connected to the bottom end of the side guide groove (1015). Side holes (1013) are equidistantly opened on the inner side of the hollow plate (1011).

5. The heat exchanger heating device for a waste heat recovery thermal power unit according to claim 4, characterized in that: The protective assembly includes a protective plate (1012) that is fixedly installed at the edge of the inner surface of the hollow plate (1011) by screws, and the protective plate (1012) has a U-shaped structure.

6. The heat exchanger heating device for a waste heat recovery thermal power unit according to claim 1, characterized in that: The fixing component includes an external threaded fixing ring (1041) welded and fixed at the end of the mounting hole (104) on the surface of the main frame (101), and the external threaded fixing ring (1041) and the mounting hole (104) are on the same center line.

7. A heat exchanger heating device for a waste heat recovery thermal power unit according to claim 6, characterized in that: The rotary reinforcement assembly includes an internal thread reinforcement cap (1042) that is threaded to the outer surface of the external threaded retaining ring (1041). Both sides of the internal thread reinforcement cap (1042) are formed with engagement grooves (1043). An integral pressure block (1044) is provided inside the internal thread reinforcement cap (1042).

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