Heat energy recovery device for heat energy and power engineering

Abstract

The utility model belongs to the technical field of heat energy and power engineering, and particularly relates to a heat energy recovery device for heat energy and power engineering, which comprises a recovery box main body, a furnace body fixedly mounted at the top of the recovery box main body, a water supply pipe arranged on the furnace body, a water delivery pipe fixedly mounted at the bottom of the furnace body, and a first linkage tank fixedly mounted in the recovery box main body, the end, extending into the recycling box body, of the water conveying pipe communicates with the interior of the first linkage tank, a second linkage tank is fixedly installed at the end, away from the first linkage tank, of the recycling box body, the first linkage tank is connected with the second linkage tank through heat exchange pipes, and the heat exchange pipes are distributed in the recycling box body. According to the heat energy recovery device for the heat energy and power engineering, the contact surface between the heat energy recovery device and smoke dust in the recovery box main body is increased through the heat exchange pipe, and liquid water is separated from water vapor through the liquid flowing design of the first linkage tank and the second linkage tank, so that local overheating in the device is avoided, and the use safety is guaranteed.

Description

Technical Field

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

[0002] Thermal energy and power engineering is an important branch of engineering. It mainly studies the acquisition, conversion, transmission and utilization of thermal energy. It involves the design, operation, optimization of power equipment and its application in industry, transportation, construction and other fields. Heat recovery device is an important part of thermal energy and power engineering. It is used to recover heat from waste heat of various energy sources or processes, thereby improving energy efficiency and reducing energy consumption.

[0003] Most existing solutions use furnaces to recover waste heat from industrial processes and convert it into steam or hot water. However, this presents the following problems in actual operation:

[0004] 1) Traditional heat exchange furnaces heat the internal pipes by transporting hot flue gas into the equipment, thereby converting the liquid water in the furnace into steam for discharge. However, the direct heating of liquid water in the furnace by flue gas can easily lead to uneven mixing of water vapor and liquid water in the furnace, causing local overheating in the device and affecting safety.

[0005] 2) After heat recovery in thermal energy and power engineering, there are still many unburned coal particles in the flue gas after the heat is absorbed, which are directly discharged into the air, easily causing air pollution. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the inventors have conducted in-depth research and completed the present utility model after paying a lot of creative work.

[0007] Specifically, the technical problem to be solved by the present invention is: to provide a heat recovery device for thermal energy and power engineering, so as to solve the technical problem that the current device directly heats the liquid water in the furnace body through flue gas, which easily leads to uneven mixing of water vapor and liquid water in the furnace body, causing local overheating in the device, affecting the safety of use, and after the heat is recovered in the thermal energy and power engineering, there are still a large number of unburned coal particles in the flue gas that has absorbed the heat, which are directly discharged into the air, easily causing air pollution.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0009] A heat recovery device for heat and power engineering, comprising a recovery box body, a furnace body fixedly mounted on the top of the recovery box body, a water supply pipe provided on the furnace body, a water delivery pipe fixedly mounted on the bottom of the furnace body, and one end of the water delivery pipe extending into the recovery box body;

[0010] A first joint tank is fixedly installed in the recovery tank body, one end of the water pipe extending into the recovery tank body is in communication with the interior of the first joint tank, and a second joint tank is fixedly installed at one end of the recovery tank body away from the first joint tank, and the first joint tank and the second joint tank are arranged in parallel;

[0011] The first joint tank is connected to the second joint tank via a heat exchange tube, and the heat exchange tubes are arranged and distributed in the recovery tank body.

[0012] As an improved technical solution, recovery pipes are arranged on the outside of the second connected tank, and the second connected tank is connected to the furnace body through the recovery pipes. One end of the recovery pipe extending into the furnace body is connected to a steam-water separator, and the steam-water separator corresponds one-to-one to the recovery pipe.

[0013] As an improved technical solution, a drainage end is provided at one end of the steam-water separator, and an exhaust end is provided at the end of the steam-water separator away from the drainage end. Both exhaust ends are connected to steam ports through pipes, and one end of the steam port extends into the furnace body.

[0014] As an improved technical solution, a smoke and dust port is provided on one side of the recovery box body, and a dust outlet is fixedly installed on the side of the recovery box body away from the smoke and dust port, and the smoke and dust port and the dust outlet are both communicated with the interior of the recovery box body, and the heat exchange tube is located between the smoke and dust port and the dust outlet.

[0015] As an improved technical solution, a dust removal tank is fixedly installed on one side of the recovery box body close to the dust outlet, and a dust shield is connected to one end of the dust outlet extending to the dust removal tank, and filter holes are opened on the outside of the dust shield.

[0016] As an improved technical solution, the dust shield is fixedly installed inside the dust removal tank, the dust removal tank is away from one end of the dust outlet and a slag outlet is provided at the bottom of the dust shield.

[0017] As an improved technical solution, an exhaust port is provided on the outside of the dust removal tank, and one end of the exhaust port extends into the dust removal tank, and the dust shield is communicated with the inside of the exhaust port through the filter hole.

[0018] After adopting the above technical solution, the beneficial effects of the utility model are:

[0019] 1. The utility model increases the contact surface with the smoke in the recovery box body through the heat exchange tube, and separates the liquid water from the water vapor through the liquid flow design of the first and second joint tanks, thereby avoiding local overheating in the device and ensuring safety in use.

[0020] 2. The utility model sends the water droplets in the water vapor transported in the recovery pipe into the furnace body through the drainage end for reuse, thereby reducing the scale in the steam pipe connected to the exhaust end and the steam port, ensuring the smooth operation of the device.

[0021] 3. The utility model separates the coal particles in the smoke through the filter holes in the dust shield and deposits them in the slag outlet. The smoke after dust removal is discharged through the exhaust port, thereby avoiding air pollution by removing the smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the heat energy recovery device for thermal energy and power engineering of the present invention.

[0024] Figure 2 This is a schematic cross-sectional view of a heat recovery device for thermal energy and power engineering according to the present invention.

[0025] Figure 3 This is a schematic diagram of the heat exchange tube and furnace structure of the heat recovery device for thermal energy and power engineering of the utility model.

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of the furnace body of the heat energy recovery device for thermal energy and power engineering of the present invention.

[0027] Figure 5 This is a schematic diagram of the cross-sectional structure of the recovery box main body of the heat energy recovery device for thermal energy and power engineering of the present invention.

[0028] Figure 6 This is a schematic diagram of the cross-sectional structure of the dust removal tank of the heat energy recovery device for thermal energy and power engineering of the utility model.

[0029] Description of reference numerals:

[0030] 1. Recovery box body; 2. Furnace body; 3. Water supply pipe; 4. Water delivery pipe; 5. First joint tank; 6. Second joint tank; 7. Heat exchange pipe; 8. Recovery pipe; 9. Steam-water separator; 10. Drain end; 11. Exhaust end; 12. Steam outlet; 13. Smoke outlet; 14. Dust outlet; 15. Dust removal tank; 16. Dust hood; 17. Filter hole; 18. Slag outlet; 19. Exhaust outlet. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] At the same time, the meaning of "and / or" or "and / or" appearing in the full text includes three options. Taking "A and / or B" as an example, it includes option A, or option B, or an option in which both A and B are satisfied.

[0034] In addition, in this utility model, the descriptions of "first" and "second" are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0035] like Figures 1 to 6As shown together, this embodiment provides a heat recovery device for heat energy and power engineering, which includes a recovery box body 1, a furnace body 2 is fixedly installed on the top of the recovery box body 1, a water supply pipe 3 is provided on the furnace body 2, a water delivery pipe 4 is fixedly installed on the bottom of the furnace body 2, and one end of the water delivery pipe 4 extends to the recovery box body 1, a first joint tank 5 is fixedly installed in the recovery box body 1, and one end of the water delivery pipe 4 extends to the recovery box body 1 and communicates with the interior of the first joint tank 5. A second joint tank 6 is fixedly installed on the end of the recovery box body 1 away from the first joint tank 5, and the first joint tank 5 is arranged in parallel with the second joint tank 6. The first joint tank 5 is connected to the second joint tank 6 through a heat exchange pipe 7, and the heat exchange pipe 7 is arranged The columns are distributed in the recovery box body 1. The recovery box body 1 can accommodate the hot smoke generated in the thermal energy and power engineering and is provided with an insulation layer to prevent heat loss. The furnace body 2 can introduce an external water source through the water supply pipe 3 and transport it to the recovery box body 1 through the water pipe 4. The flow direction of the liquid water in the water pipe 4 is always from the furnace body 2 to the first joint tank 5. The first joint tank 5 transports the liquid water in the first joint tank 5 to the second joint tank 6 through the heat exchange pipe 7, and the flow direction in the heat exchange pipe 7 is always from the first joint tank 5 to the second joint tank 6. The heat exchange pipe 7 can increase the contact area between the flue gas and the liquid water in the recovery box body 1, and separate the water vapor and the liquid water through the flow design, thereby avoiding local overheating in the device and ensuring safe use.

[0036] Recovery pipes 8 are arranged on the outside of the second tank 6, and the second tank 6 is connected to the furnace body 2 through the recovery pipes 8. One end of the recovery pipe 8 extending into the furnace body 2 is connected to a steam-water separator 9, and the steam-water separator 9 corresponds to the recovery pipe 8 one-to-one. The water vapor converted in the second tank 6 is transported to the furnace body 2 through the recovery pipe 8, thereby being separated from the unconverted water source in the first tank 5 and the heat exchange tube 7, thereby ensuring the efficiency of heat energy recovery.

[0037] A drainage end 10 is provided at one end of the steam-water separator 9, and an exhaust end 11 is provided at the end of the steam-water separator 9 away from the drainage end 10. The exhaust end 11 is connected to a steam port 12 through a pipe, and one end of the steam port 12 extends into the furnace body 2. The steam-water separator 9 is a prior art that can send water droplets in the water vapor transported in the recovery pipe 8 into the furnace body 2 through the drainage end 10 for reuse, thereby reducing scale in the steam pipe connecting the exhaust end 11 and the steam port 12, and ensuring smooth operation of the device.

[0038] A smoke port 13 is provided on one side of the recovery box body 1, and a dust outlet 14 is fixedly installed on the side of the recovery box body 1 away from the smoke port 13, and the smoke port 13 and the dust outlet 14 are both communicated with the interior of the recovery box body 1, and the heat exchange tube 7 is located between the smoke port 13 and the dust outlet 14. The smoke port 13 can be connected to the smoke required for thermal energy and power engineering through a pipeline. The smoke in the recovery box body 1 is discharged from the recovery box body 1 through the dust outlet 14 after the heat is absorbed by the heat exchange tube 7.

[0039] A dust removal tank 15 is fixedly installed on one side of the recovery box body 1 near the dust outlet 14. The dust outlet 14 extends to one end of the dust removal tank 15 and is connected to a dust shield 16. A filter hole 17 is provided on the outside of the dust shield 16. The smoke and dust discharged from the recovery box body 1 is sent into the dust removal tank 15 through the filter hole 17 of the dust shield 16 for dust removal treatment.

[0040] The dust hood 16 is fixedly installed inside the dust removal tank 15. The dust removal tank 15 is away from the dust outlet 14 at one end and a slag outlet 18 is provided at the bottom of the dust hood 16. The smoke and dust entering the dust outlet 14 passes through the dust hood 16 and enters the dust removal tank 15. The coal particles are separated by the dust hood 16 and then deposited in the slag outlet 18.

[0041] An exhaust port 19 is provided on the outside of the dust removal tank 15, and one end of the exhaust port 19 extends into the dust removal tank 15. The dust shield 16 is communicated with the inside of the exhaust port 19 through the filter hole 17. The smoke in the dust removal tank 15 is filtered and dust-removed through the filter hole 17, and then discharged from the dust removal tank 15 through the filter hole 17, thereby avoiding air pollution by removing the smoke.

[0042] When in use, after the staff puts the equipment in a suitable position, the smoke and dust required for heat energy and power engineering are transported to the interior of the recovery box body 1 through the smoke and dust port 13, and an external water source is introduced into the furnace body 2 through the water supply pipe 3. The liquid water source in the furnace body 2 is transported from the furnace body 2 to the first joint tank 5 through the water pipe 4. In this process, the smoke and dust with heat are preheated by the recovery box body 1, and the liquid water source is diverted through the first joint tank 5 and transported from the first joint tank 5 to the second joint tank 6 in the heat exchange pipe 7. The contact surface with the smoke and dust in the recovery box body 1 is increased by the heat exchange pipe 7, and the flow design of the liquid between the first joint tank 5 and the second joint tank 6 will make the liquid water and the water Steam separation is achieved to avoid local overheating in the device and ensure safe use. The steam-water separator 9 of the prior art is connected to the recovery pipe 8, and the water droplets in the water vapor transported in the recovery pipe 8 are sent to the furnace body 2 through the drainage end 10 for reuse, thereby reducing the scale in the steam pipe connected to the exhaust end 11 and the steam port 12, ensuring the smooth operation of the device. The smoke after absorbing heat is discharged from the recovery box body 1 through the dust outlet 14 and enters the dust removal tank 15, and the coal particles in the smoke are separated through the filter holes 17 in the dust cover 16 and deposited in the slag outlet 18. The smoke after dust removal is discharged through the exhaust port 19, thereby avoiding air pollution by removing the smoke.

[0043] It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of protection of the present invention. In addition, it should be understood that after reading the technical content of the present invention, those skilled in the art may make various changes, modifications and / or variations to the present invention, and all such equivalent forms also fall within the scope of protection defined by the appended claims of this application.

Claims

1. A heat recovery device for heat and power engineering, comprising a recovery box body (1), characterized in that: A furnace body (2) is fixedly mounted on the top of the recovery box body (1), a water supply pipe (3) is provided on the furnace body (2), a water delivery pipe (4) is fixedly mounted on the bottom of the furnace body (2), and one end of the water delivery pipe (4) extends into the recovery box body (1); A first joint tank (5) is fixedly installed in the recovery box body (1); one end of the water pipe (4) extending into the recovery box body (1) is communicated with the interior of the first joint tank (5); a second joint tank (6) is fixedly installed at one end of the recovery box body (1) away from the first joint tank (5), and the first joint tank (5) and the second joint tank (6) are arranged in parallel; The first joint tank (5) is connected to the second joint tank (6) via a heat exchange tube (7), and the heat exchange tube (7) is arranged and distributed in the recovery box body (1).

2. The heat recovery device for thermal energy and power engineering according to claim 1, characterized in that: Recovery pipes (8) are arranged and distributed on the outer side of the second joint tank (6), and the second joint tank (6) is connected to the furnace body (2) through the recovery pipe (8). One end of the recovery pipe (8) extending into the furnace body (2) is connected to a steam-water separator (9), and the steam-water separator (9) corresponds to the recovery pipe (8) one-to-one.

3. The heat recovery device for thermal energy and power engineering according to claim 2, characterized in that: A drainage end (10) is provided at one end of the steam-water separator (9), and an exhaust end (11) is provided at one end of the steam-water separator (9) away from the drainage end (10). The exhaust end (11) is connected to a steam port (12) via a pipeline, and one end of the steam port (12) extends into the furnace body (2).

4. The heat recovery device for thermal energy and power engineering according to claim 1, characterized in that: A smoke port (13) is provided on one side of the recovery box body (1), a dust outlet (14) is fixedly installed on a side of the recovery box body (1) away from the smoke port (13), and both the smoke port (13) and the dust outlet (14) are in communication with the interior of the recovery box body (1), and the heat exchange tube (7) is located between the smoke port (13) and the dust outlet (14).

5. The heat recovery device for thermal energy and power engineering according to claim 4, characterized in that: A dust removal tank (15) is fixedly mounted on one side of the recovery box body (1) close to the dust outlet (14); the dust outlet (14) extends to one end of the dust removal tank (15) and is connected to a dust shield (16); and a filter hole (17) is provided on the outer side of the dust shield (16).

6. The heat recovery device for thermal energy and power engineering according to claim 5, characterized in that: The dust shield (16) is fixedly mounted inside the dust removal tank (15); the dust removal tank (15) is located at one end away from the dust outlet (14) and a slag outlet (18) is provided at the bottom of the dust shield (16).

7. The heat recovery device for thermal energy and power engineering according to claim 6, characterized in that: An exhaust port (19) is provided on the outside of the dust removal tank (15), and one end of the exhaust port (19) extends into the dust removal tank (15). The dust shield (16) communicates with the interior of the exhaust port (19) through the filter hole (17).

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