Waste heat recycling device for heat energy power engineering

Abstract

The utility model discloses a heat energy power engineering waste heat recycling device, which belongs to the technical field of heat energy power engineering waste heat recycling, and is characterized in that the heat energy power engineering waste heat recycling device comprises a conveying and discharging mechanism, a conveying and purifying mechanism, a preheating box, a purifying box and supporting legs, the discharging assembly can achieve the effect of discharging the purified and cooled waste gas, the conveying assembly can achieve the effect of conveying water into the water vapor power generation device, meanwhile, the conveying assembly is used in cooperation with the discharging assembly, the effect of preheating the conveyed water can be achieved, and therefore the water can enter an evaporation state more quickly, and the water vapor power generation efficiency is improved. Therefore, the working efficiency is improved, meanwhile, energy consumption is reduced, the conveying and purifying mechanism can achieve the effect of conveying waste gas generated by water vapor power generation in the heat energy power engineering into the discharging assembly, and meanwhile, the effect of filtering solid harmful substances in the conveying and purifying mechanism can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery and utilization in thermal energy power engineering, and particularly relates to a waste heat recovery and utilization device for thermal energy power engineering. Background Art

[0002] It refers to the heat energy that can be utilized released during the production process, mainly including high-temperature waste gas, etc. Waste heat utilization can generate steam through a waste heat boiler to drive a steam turbine to do mechanical work or generate electricity, or can also be used for heating or producing hot water.

[0003] Currently, the Chinese utility model with the publication number of CN216245770U discloses a waste heat recovery device for thermal energy power engineering in a power plant, belonging to the field of power plant thermal engineering. A waste heat recovery device for thermal energy power engineering in a power plant includes a thermal frame. The left and right ends of the thermal frame are connected with an intake pipe and an outlet pipe. A water storage tank is arranged at the upper end of the thermal frame. The left and right ends of the water storage tank are connected with a water inlet pipe and a water outlet pipe. A diversion block arranged in an inverted conical shape is fixed at the upper end of the inner cavity of the water storage tank. A collection cup matching the position of the diversion block is arranged in the water storage tank. The right end of the collection cup is connected with the left end of the water outlet pipe. A movable valve is arranged in the water inlet pipe. A float is arranged on the left side of the inner cavity of the water storage tank. The movable valve and the float are fixedly connected by a connecting rope. This utility model distills the waste water of the power plant through the waste gas containing a large amount of heat generated by the thermal operation of the power plant, improves the thermal utilization efficiency, and is convenient for treating the waste water of the power plant.

[0004] Thermal energy power engineering includes many types. In the field of steam power generation, waste gas containing a large amount of heat energy will be generated. These waste gases need to be cooled down before being discharged. However, if the waste heat is not recovered and utilized, it will cause a large amount of resource waste. Therefore, a waste heat recovery and utilization device for thermal energy power engineering is required. Most of the existing methods for discharging waste gas containing a large amount of heat energy are to directly cool it down and then discharge it, so that the heat energy therein is not well utilized, resulting in a situation of resource waste. Content of the Utility Model

[0005] The utility model provides a waste heat recovery and utilization device for thermal energy power engineering, aiming to solve the problem that most of the existing methods for discharging waste gas containing a large amount of heat energy are to directly cool it down and then discharge it, so that the heat energy therein is not well utilized, resulting in a situation of resource waste.

[0006] The present utility model is realized as follows. A waste heat recovery and utilization device for thermal energy power engineering includes a conveying and discharging mechanism, a transmission and purification mechanism, a preheating box, a purification box, and legs. The conveying and discharging mechanism is arranged on the front side of the preheating box. The transmission and purification mechanism is arranged inside the purification box. The purification box is fixedly connected to the left side of the preheating box. The legs are fixedly connected to the bottoms of the preheating box and the purification box.

[0007] The conveying and discharging mechanism includes a discharging component and a conveying component. The discharging component is arranged inside the preheating box. The conveying component is arranged on the front side of the preheating box.

[0008] In order to enable the discharging component to achieve the effect of discharging and treating the waste gas after purification and cooling, as a preferred embodiment of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, the discharging component includes a discharge pipe, a preheating pipe, and a connecting pipe. The discharge pipe is fixedly connected to the top of the preheating pipe. The preheating pipe is fixedly connected inside the preheating box. The connecting pipe is fixedly connected to the bottom of the preheating pipe.

[0009] In order to enable the conveying component to achieve the effect of conveying water to the device for generating electricity using water vapor, and at the same time cooperate with the discharging component to preheat the conveyed water, so that it can enter the evaporation state faster, thereby improving the working efficiency and reducing energy consumption. As a preferred embodiment of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, the conveying component includes an injection pipe, a extraction pipe, a control panel, a conveying pipe, and a pump body. The injection pipe is fixedly connected to the rear side of the preheating box. The extraction pipe is fixedly connected to the front side inside the preheating box. The control panel is fixedly connected to the left side of the pump body. The conveying pipe is fixedly connected to the front side of the pump body. The pump body is fixedly connected to the front side of the extraction pipe. The rear side of the pump body is fixedly connected to the front side of the preheating box.

[0010] In order to enable the transmission and purification mechanism to convey the waste gas generated by water vapor power generation in thermal energy power engineering to the inside of the discharging component, and at the same time achieve the effect of filtering solid harmful substances therein. As a preferred embodiment of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, the transmission and purification mechanism includes a transmission component and a purification component. Both the transmission component and the purification component are arranged inside the purification box.

[0011] In order to enable the transmission component to convey the waste gas generated by water vapor power generation in thermal energy power engineering to the inside of the preheating pipe. As a preferred embodiment of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, the transmission component includes a transmission pipe, a card slot, a connection slot, and a sealing slot. The transmission pipe is fixedly connected to the top of the purification box. The card slot and the connection slot are both opened on the top of the purification box. The sealing slot is opened on the inner wall of the purification box.

[0012] In order to enable the purification component to achieve the effect of filtering solid harmful substances in the waste gas, as an optimization of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, the purification component includes a pull plate, a connection box, a purification block, and a box cover. The pull plate is fixedly connected to the top of the connection box. The connection box is snap-fitted inside the purification box. The purification block is snap-fitted inside the connection box. The box cover is snap-fitted to the front side of the connection box.

[0013] In order to enable the fixing hole to achieve the effect of fixedly connecting the extraction pipe, as an optimization of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, a fixing hole is provided on the front side of the preheating box, and the inner wall of the fixing hole is fixedly connected to the surface of the extraction pipe.

[0014] In order to enable the sealing strip to achieve the effect of sealing and snap-fitting the sealing groove, as an optimization of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model, a sealing strip is fixedly connected to the surface of the connection box, and the surface of the sealing strip is snap-fitted to the inner wall of the sealing groove.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] For this waste heat recovery and utilization device for thermal energy power engineering, through the setting of the conveying and discharging mechanism, the conveying and discharging mechanism includes a discharging component and a conveying component. Through the setting of the discharging component, the discharging component can achieve the effect of discharging the waste gas after purification and cooling. Through the setting of the conveying component, the conveying component can achieve the effect of conveying water to the water steam power generation device. At the same time, when used in cooperation with the discharging component, it can also play the role of preheating the conveyed water, and then it can enter the evaporation state faster, thereby accelerating the working efficiency and reducing the energy consumption. Through the setting of the transmission and purification mechanism, the transmission and purification mechanism can achieve the effect of conveying the waste gas generated by water steam power generation in thermal energy power engineering to the inside of the discharging component, and at the same time, it can also achieve the effect of filtering solid harmful substances in it. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the waste heat recovery and utilization device for thermal energy power engineering of the present utility model;

[0018] Figure 2 It is the connection schematic diagram of the conveying and discharging mechanism and the transmission and purification mechanism in the present utility model;

[0019] Figure 3 It is the connection schematic diagram of the discharging component in the present utility model;

[0020] Figure 4 It is the connection schematic diagram of the conveying component in the present utility model;

[0021] Figure 5 Schematic connection diagram of the transmission component in the present utility model;

[0022] Figure 6 Schematic connection diagram of the purification component in the present utility model.

[0023] In the figure, 1 is the conveying and discharging mechanism; 101 is the discharging component; 1011 is the discharging pipe; 1012 is the preheating pipe; 1013 is the connecting pipe; 102 is the conveying component; 1021 is the injection pipe; 1022 is the extraction pipe; 1023 is the control panel; 1024 is the conveying pipe; 1025 is the pump body; 2 is the transmission and purification mechanism; 201 is the transmission component; 2011 is the transmission pipe; 2012 is the card slot; 2013 is the connecting slot; 2014 is the sealing slot; 202 is the purification component; 2021 is the pull plate; 2022 is the connecting box; 2023 is the purification block; 2024 is the box cover; 3 is the preheating box; 4 is the purification box; 5 is the leg; 6 is the fixing hole; 7 is the sealing strip. Specific embodiments

[0024] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, in the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0026] Please refer to Figure 1-6 , the present utility model provides a technical solution: a waste heat recovery and utilization device for thermal power engineering, including a conveying and discharging mechanism 1, a transmission and purification mechanism 2, a preheating box 3, a purification box 4 and legs 5. The conveying and discharging mechanism 1 is arranged on the front side of the preheating box 3, the transmission and purification mechanism 2 is arranged inside the purification box 4, the purification box 4 is fixedly connected to the left side of the preheating box 3, and the legs 5 are fixedly connected to the bottoms of the preheating box 3 and the purification box 4;

[0027] The conveying and discharging mechanism 1 includes a discharging component 101 and a conveying component 102. The discharging component 101 is arranged inside the preheating box 3, and the conveying component 102 is arranged on the front side of the preheating box 3.

[0028] In this embodiment: Through the setting of the conveying and discharging mechanism 1, the conveying and discharging mechanism 1 includes a discharging component 101 and a conveying component 102. Through the setting of the discharging component 101, the discharging component 101 can achieve the effect of discharging the purified and cooled waste gas. Through the setting of the conveying component 102, the conveying component 102 can achieve the effect of conveying water into the water steam power generation device. At the same time, when used in cooperation with the discharging component 101, it can also play the role of preheating the conveyed water, so that it can enter the evaporation state faster, thereby accelerating the working efficiency and reducing the energy consumption. Through the setting of the transmission and purification mechanism 2, the transmission and purification mechanism 2 can achieve the effect of conveying the waste gas generated by water steam power generation in the thermal energy power engineering into the discharging component 101, and at the same time, it can also achieve the effect of filtering the solid harmful substances therein.

[0029] As a technical optimization scheme of the present utility model, the discharging component 101 includes a discharging pipe 1011, a preheating pipe 1012 and a connecting pipe 1013. The discharging pipe 1011 is fixedly connected to the top of the preheating pipe 1012. The preheating pipe 1012 is fixedly connected inside the preheating box 3. The connecting pipe 1013 is fixedly connected to the bottom of the preheating pipe 1012.

[0030] In this embodiment: Through the setting of the discharging pipe 1011, the discharging pipe 1011 can achieve the effect of discharging the cooled waste gas. Through the setting of the preheating pipe 1012, the preheating pipe 1012 can achieve the effect of heating the water in the preheating box 3. Through the setting of the connecting pipe 1013, the connecting pipe 1013 can achieve the effect of connecting the preheating box 3 and the purification box 4.

[0031] As a technical optimization scheme of the present utility model, the conveying component 102 includes an injection pipe 1021, a extraction pipe 1022, a control panel 1023, a conveying pipe 1024 and a pump body 1025. The injection pipe 1021 is fixedly connected to the rear side of the preheating box 3. The extraction pipe 1022 is fixedly connected to the front side inside the preheating box 3. The control panel 1023 is fixedly connected to the left side of the pump body 1025. The conveying pipe 1024 is fixedly connected to the front side of the pump body 1025. The pump body 1025 is fixedly connected to the front side of the extraction pipe 1022. The rear side of the pump body 1025 is fixedly connected to the front side of the preheating box 3.

[0032] In this embodiment: by setting the injection pipe 1021, the injection pipe 1021 can achieve the effect of connecting to an external water pipe, by setting the extraction pipe 1022, the extraction pipe 1022 can achieve the effect of connecting to the pump body 1025, by setting the control panel 1023, the control panel 1023 can achieve the effect of issuing instructions to the pump body 1025, by setting the delivery pipe 1024, the delivery pipe 1024 can achieve the effect of discharging water, and by setting the pump body 1025, the pump body 1025 is an existing device that can extract and discharge water.

[0033] As a technical optimization solution of the present invention, the transmission and purification mechanism 2 includes a transmission component 201 and a purification component 202 , and both the transmission component 201 and the purification component 202 are arranged inside the purification box 4 .

[0034] In this embodiment: through the setting of the transmission component 201, the transmission component 201 can achieve the effect of transporting the exhaust gas generated by steam power generation in the thermal power project to the inside of the preheating tube 1012, and through the setting of the purification component 202, the purification component 202 can achieve the effect of filtering and treating solid harmful substances in the exhaust gas.

[0035] As a technical optimization solution of the utility model, the transmission component 201 includes a transmission tube 2011, a card slot 2012, a connecting groove 2013 and a sealing groove 2014. The transmission tube 2011 is fixedly connected to the top of the purification box 4, the card slot 2012 and the connecting groove 2013 are both opened on the top of the purification box 4, and the sealing groove 2014 is opened on the inner wall of the purification box 4.

[0036] In this embodiment: through the setting of the transmission pipe 2011, the transmission pipe 2011 can achieve the effect of connecting the pipe for discharging exhaust gas, through the setting of the card slot 2012, the card slot 2012 can achieve the effect of clamping and fixing the pull plate 2021, through the setting of the connecting groove 2013, the connecting groove 2013 can achieve the effect of connecting the connecting box 2022, and through the setting of the sealing groove 2014, the sealing groove 2014 can achieve the effect of connecting the sealing card strip 7.

[0037] As a technical optimization solution of the utility model, the purification component 202 includes a pull plate 2021, a connection box 2022, a purification block 2023 and a box cover 2024. The pull plate 2021 is fixedly connected to the top of the connection box 2022, the connection box 2022 is clamped into the interior of the purification box 4, the purification block 2023 is clamped into the interior of the connection box 2022, and the box cover 2024 is clamped into the front side of the connection box 2022.

[0038] In this embodiment: Through the setting of the pull plate 2021, the pull plate 2021 can achieve the effect of facilitating the removal of the connection box 2022 from the purification box 4. Through the setting of the connection box 2022, the connection box 2022 can achieve the effect of clamping and fixing the purification block 2023. Through the setting of the purification block 2023, the purification block 2023 is an existing high-temperature resistant activated carbon plate. Through the setting of the box cover 2024, the box cover 2024 can achieve the effect of clamping and fixing the front side of the connection box 2022.

[0039] As a technical optimization solution of the present utility model, a fixing hole 6 is provided on the front side of the preheating box 3, and the inner wall of the fixing hole 6 is fixedly connected to the surface of the extraction pipe 1022.

[0040] In this embodiment: Through the setting of the fixing hole 6, the fixing hole 6 can achieve the effect of fixedly connecting the extraction pipe 1022.

[0041] As a technical optimization solution of the present utility model, a sealing strip 7 is fixedly connected to the surface of the connection box 2022, and the surface of the sealing strip 7 is clamped with the inner wall of the sealing groove 2014.

[0042] In this embodiment: Through the setting of the sealing strip 7, the sealing strip 7 can achieve the effect of sealing and clamping and fixing the sealing groove 2014.

[0043] Working principle: First, connect the injection pipe 1021 to an external water injection pipe, then connect the delivery pipe 1024 to a steam power generation device in thermal energy power engineering. Then, the waste gas rich in a large amount of thermal energy generated by steam power generation in thermal energy power engineering is transported through a pipeline to the transmission pipe 2011, and then transported to the purification box 4 through the delivery pipe 1024. Then, after being filtered and purified by the purification block 2023, it is transported to the preheating pipe 1012 through the connection pipe 1013. Then, when passing through the preheating pipe 1012, the thermal energy inside it will be absorbed by the water in the preheating box 3, thereby raising the water temperature. On the contrary, the waste gas will be cooled. Then, the cooled waste gas will be discharged from the discharge pipe 1011. Then, use the control panel 1023 to send an instruction to the pump body 1025, and the heated water can be transported to the steam power generation device in thermal energy power engineering through the extraction pipe 1022 and the delivery pipe 1024.

[0044] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A waste heat recovery and utilization device for thermal power engineering, comprising a conveying and discharging mechanism (1), a transmission and purification mechanism (2), a preheating box (3), a purification box (4) and a support leg (5), characterized in that: The conveying and discharging mechanism (1) is arranged on the front side of the preheating box (3), the transmission and purification mechanism (2) is arranged inside the purification box (4), the purification box (4) is fixedly connected to the left side of the preheating box (3), and the supporting legs (5) are fixedly connected to the bottom of the preheating box (3) and the purification box (4); The conveying and discharging mechanism (1) comprises a discharging component (101) and a conveying component (102); the discharging component (101) is arranged inside a preheating box (3); and the conveying component (102) is arranged on the front side of the preheating box (3).

2. A waste heat recovery and utilization device for thermal power engineering according to claim 1, characterized in that: The discharge assembly (101) comprises a discharge pipe (1011), a preheating pipe (1012) and a connecting pipe (1013); the discharge pipe (1011) is fixedly connected to the top of the preheating pipe (1012); the preheating pipe (1012) is fixedly connected to the inside of the preheating box (3); and the connecting pipe (1013) is fixedly connected to the bottom of the preheating pipe (1012).

3. The waste heat recovery and utilization device for thermal power engineering according to claim 1 is characterized in that: The conveying assembly (102) comprises an injection pipe (1021), an extraction pipe (1022), a control panel (1023), a delivery pipe (1024) and a pump body (1025); the injection pipe (1021) is fixedly connected to the rear side of the preheating box (3); the extraction pipe (1022) is fixedly connected to the front side inside the preheating box (3); the control panel (1023) is fixedly connected to the left side of the pump body (1025); the delivery pipe (1024) is fixedly connected to the front side of the pump body (1025); the pump body (1025) is fixedly connected to the front side of the extraction pipe (1022); and the rear side of the pump body (1025) is fixedly connected to the front side of the preheating box (3).

4. The waste heat recovery and utilization device for thermal power engineering according to claim 1 is characterized in that: The transmission and purification mechanism (2) comprises a transmission component (201) and a purification component (202), and the transmission component (201) and the purification component (202) are both arranged inside the purification box (4).

5. A waste heat recovery and utilization device for thermal power engineering according to claim 4, characterized in that: The transmission component (201) comprises a transmission tube (2011), a clamping groove (2012), a connecting groove (2013) and a sealing groove (2014); the transmission tube (2011) is fixedly connected to the top of the purification box (4); the clamping groove (2012) and the connecting groove (2013) are both provided at the top of the purification box (4); and the sealing groove (2014) is provided at the inner wall of the purification box (4).

6. The waste heat recovery and utilization device for thermal power engineering according to claim 4 is characterized in that: The purification assembly (202) comprises a pull plate (2021), a connection box (2022), a purification block (2023) and a box cover (2024); the pull plate (2021) is fixedly connected to the top of the connection box (2022); the connection box (2022) is snap-fitted into the interior of the purification box (4); the purification block (2023) is snap-fitted into the interior of the connection box (2022); and the box cover (2024) is snap-fitted into the front side of the connection box (2022).

7. The waste heat recovery and utilization device for thermal power engineering according to claim 3 is characterized by: A fixing hole (6) is provided on the front side of the preheating box (3), and the inner wall of the fixing hole (6) is fixedly connected to the surface of the extraction pipe (1022).

8. The waste heat recovery and utilization device for thermal power engineering according to claim 6 is characterized by: A sealing clip (7) is fixedly connected to the surface of the connection box (2022), and the surface of the sealing clip (7) is clipped to the inner wall of the sealing groove (2014).

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