A waste heat recovery type energy-saving and temperature reduction device

Abstract

The utility model relates to the technical field of heating, in particular to a waste heat recovery and utilization type energy-saving and temperature reduction device, comprising a temperature reducer body, a No. 1 delivery pipe and a No. 2 delivery pipe, wherein the input end of the temperature reducer body is provided with the No. 1 delivery pipe, the output end of the temperature reducer body is provided with the No. 2 delivery pipe, and further comprising a heat sink, a heat exchange component and a filter component, wherein the heat exchange component is sleeved on the outer side of the temperature reducer body, the input end of the No. 1 delivery pipe is provided with the filter component, and the high-temperature medium enters the interior of the temperature reducer body through the No. 1 delivery pipe after impurities are filtered by the filter component, and performs a pressure reduction and temperature reduction operation, wherein the high-temperature medium introduces part of the heat into the heat exchange component inside the temperature reducer body, and the medium after temperature reduction is used to provide heat to the heat exchange component through the No. 2 delivery pipe, and after the heating is completed, the low-temperature medium enters the heat exchange component, and the low-temperature medium absorbs part of the heat of the high-temperature medium, thereby realizing the utilization of waste heat and improving the service life of the temperature reducer body at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of heating, in particular to a waste heat recovery type energy-saving and temperature-reducing device. Background Art

[0002] The temperature and pressure reduction device is a steam thermal energy parameter (pressure, temperature) conversion device and energy-saving device that utilizes waste heat, which is widely used in thermal energy projects in modern industry such as cogeneration, centralized heating (or steam supply) and light industry, electric power, chemical industry, textile and other enterprises. Through this device, the steam parameters provided by the user are reduced to the appropriate temperature and pressure required by the user to meet the user's requirements, and it can fully save thermal energy and use thermal energy reasonably.

[0003] In the prior art, a patent document with a publication number of CN218721437U discloses a cooling and decompression device with a waste heat recovery function, including a cooling and decompression device body, an air inlet pipe is arranged on the cooling and decompression device body, and a waste heat recovery device is arranged on the cooling and decompression device body; it also includes a heat absorbing device, the heat absorbing device is installed on the air inlet pipe, the heat absorbing device includes a mounting assembly, a mounting pipe, a spiral heat absorbing pipe, a water inlet pipe, a water outlet pipe, a water pump and a water tank, the mounting pipe is installed on the air inlet pipe through the mounting assembly, the spiral heat absorbing pipe is located in the mounting pipe, a first mounting hole and a second mounting hole are arranged on the mounting pipe, the water inlet pipe is installed on the first mounting hole, and the water outlet pipe is installed on the second mounting hole.

[0004] During use, it was found that the above device lacked an autonomous filtering function. Since the medium may contain particulate matter, suspended matter or other impurities, these impurities may cause wear or blockage to the internal components of the desuperheater if they are not filtered, thus affecting its service life. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a waste heat recovery and utilization energy-saving and temperature-reducing device with a prolonged service life.

[0006] In order to realize binocular, the utility model is a waste heat recovery and energy-saving temperature reduction device, including a temperature reducer body, a No. 1 delivery pipe and a No. 2 delivery pipe. The input end of the temperature reducer body is provided with a No. 1 delivery pipe, and the output end of the temperature reducer body is provided with a No. 2 delivery pipe. It also includes a heat sink, a heat exchange component and a filter component. The heat exchange component is mounted on the outside of the temperature reducer body, and the input end of the No. 1 delivery pipe is provided with a filter component; the high-temperature medium passes through the filter component to filter impurities and then enters the interior of the temperature reducer body through the No. 1 delivery pipe for pressure reduction and temperature reduction operations. The high-temperature medium introduces part of the heat into the heat exchange component inside the temperature reducer body, and the medium after temperature reduction is used to provide heat through the No. 2 delivery pipe. After the heating is completed, the high-temperature medium becomes a low-temperature medium, and the low-temperature medium enters the heat exchange component. The low-temperature medium absorbs part of the heat of the high-temperature medium to realize the utilization of waste heat.

[0007] Preferably, the heat exchange component includes a shell, a No. 3 delivery pipe, a No. 4 delivery pipe and a heat sink, the shell is mounted on the outer side wall of the desuperheater body, a heat sink is arranged inside the shell, the heat sink extends into the desuperheater body, a No. 3 delivery pipe is arranged at the input end of the shell, and a No. 4 delivery pipe is arranged at the output end of the shell; the high-temperature medium enters the desuperheater body, and the low-temperature medium enters the shell through the No. 3 delivery pipe, the heat of the high-temperature medium inside the desuperheater body is transported to the inside of the shell through the heat sink, the low-temperature medium inside the shell absorbs heat, and the low-temperature medium that absorbs heat is discharged through the No. 4 delivery pipe and re-enters the boiler for heating, thereby reducing the boiler load and making rational use of waste heat.

[0008] Preferably, the filter assembly includes a No. 1 three-way pipe, a connecting pipe, a valve, a No. 2 three-way pipe and a filter box assembly, the two groups of output ends of the No. 1 three-way pipe are respectively connected to the input end of one group of connecting pipes, the output ends of the two groups of connecting pipes are respectively connected to the two groups of input ends of the No. 2 three-way pipe, the output end of the No. 2 three-way pipe is connected to the input end of the No. 1 delivery pipe, and each group of connecting pipes is respectively provided with a group of filter box assemblies and two groups of valves; the two groups of valves on the first group of connecting pipes are opened and the two groups of valves on the second group of connecting pipes are closed, the high-temperature medium enters the first group of filter box assemblies through the No. 1 three-way pipe for impurity filtering, and then enters the interior of the desuperheater body through the No. 2 three-way pipe and the No. 1 delivery pipe, when the first group of filter screen assemblies needs to be cleaned of impurities, the two groups of filter screen assemblies can be switched.

[0009] Preferably, it also includes a sampling tube and a sampling valve. The No. 3 delivery pipe is provided with a sampling tube, and the sampling valve is installed on the sampling tube. When sampling and testing of the medium is required, the staff opens the sampling valve to discharge the medium through the sampling valve for sampling, thereby improving convenience.

[0010] Preferably, the filter box assembly includes a filter box body, a slot, a filter frame, a filter screen and a sealing cover. The filter box body is provided with a slot inside, the filter frame is placed in the slot, the filter screen is installed inside the filter frame, and the sealing cover is screwed on the top of the filter box body. When in use, the filter frame is slid into the slot, and then the sealing cover is installed on the top of the filter box body and fixed by bolts. The filter screen effectively filters impurities in the high-temperature medium.

[0011] Preferably, it also includes a spring, a telescopic rod and a top fixing plate. A placement groove is provided at the bottom end of the sealing cover, and a spring and a telescopic rod are respectively provided in the placement groove. The bottom ends of the spring and the telescopic rod are connected to the top end of the top fixing plate, and the spring is sleeved on the outside of the telescopic rod. When the sealing cover is installed on the top end of the filter box body, the bottom end of the top fixing plate contacts with the top end of the filter frame, thereby causing the spring and the telescopic rod to contract, and the top fixing plate enters the placement groove and the bottom end of the top fixing plate is flush with the bottom end of the sealing cover. The top fixing plate tightens and fixes the filter frame under the action of the spring elastic force.

[0012] Preferably, it further comprises a handle, and a handle is provided on the top of the sealing cover; a worker moves the sealing cover by means of the handle.

[0013] Compared with the prior art, the utility model has the following beneficial effects: when in use, the high-temperature medium passes through the filter assembly to filter out impurities and then enters the interior of the desuperheater body through the No. 1 delivery pipe to perform a pressure reduction and temperature reduction operation. The high-temperature medium introduces part of the heat into the heat exchange assembly inside the desuperheater body, and the medium after temperature reduction is used to provide heat through the No. 2 delivery pipe. After the heating is completed, the low-temperature medium enters the heat exchange assembly, and the low-temperature medium absorbs part of the heat of the high-temperature medium, thereby realizing the utilization of waste heat and improving the service life of the desuperheater body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 yes Figure 1 A partial enlarged structural diagram of the middle part;

[0016] Figure 3 It is a schematic diagram of the first explosion structure of the sealing cover and the filter box body;

[0017] Figure 4 It is a second exploded structural diagram of the sealing cover and the filter box body;

[0018] Figure 5 It is an enlarged structural diagram of structures such as springs and telescopic rods.

[0019] Markings in the attached drawings: 1. desuperheater body; 2. No. 1 delivery pipe; 3. No. 2 delivery pipe; 5. shell; 6. No. 3 delivery pipe; 7. No. 4 delivery pipe; 8. No. 1 three-way pipe; 9. connecting pipe; 10. valve; 11. No. 2 three-way pipe; 12. sampling tube; 13. sampling valve; 14. filter box body; 15. slot; 16. filter frame; 17. filter screen; 18. sealing cover; 19. spring; 20. telescopic rod; 21. top fixing plate; 22. handle. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Embodiment 1:

[0022] like Figure 1As shown, this embodiment provides a waste heat recovery type energy-saving and temperature reduction device, including a temperature reducer body 1, a No. 1 delivery pipe 2 and a No. 2 delivery pipe 3, wherein the No. 1 delivery pipe 2 is arranged at the input end of the temperature reducer body 1, and the No. 2 delivery pipe 3 is arranged at the output end of the temperature reducer body 1, and further includes a heat sink, a heat exchange component and a filter component, wherein the heat exchange component is sleeved on the outside of the temperature reducer body 1, and the No. 1 delivery pipe 2 is arranged at the input end of the temperature reducer body 1;

[0023] like Figure 1 As shown, the heat exchange assembly includes a shell 5, a No. 3 delivery pipe 6, a No. 4 delivery pipe 7 and a heat sink. The shell 5 is sleeved on the outer side wall of the desuperheater body 1. The shell 5 is provided with a heat sink inside. The heat sink extends into the desuperheater body 1. The No. 3 delivery pipe 6 is provided at the input end of the shell 5, and the No. 4 delivery pipe 7 is provided at the output end of the shell 5.

[0024] like Figure 1 , such as 3 and Figure 4 As shown, the filter assembly includes a No. 1 three-way pipe 8, a connecting pipe 9, a valve 10, a No. 2 three-way pipe 11 and a filter box assembly. The two output ends of the No. 1 three-way pipe 8 are respectively connected to the input end of a group of connecting pipes 9, and the output ends of the two groups of connecting pipes 9 are respectively connected to the two input ends of the No. 2 three-way pipe 11. The output end of the No. 2 three-way pipe 11 is connected to the input end of the No. 1 delivery pipe 2. Each group of connecting pipes 9 is respectively provided with a group of filter box assemblies and two groups of valves 10;

[0025] like Figure 1 and Figure 2 As shown, it also includes a sampling tube 12 and a sampling valve 13. The sampling tube 12 is arranged on the No. 3 delivery pipe 6, and the sampling valve 13 is installed on the sampling tube 12.

[0026] In this embodiment, the two valves 10 on the first group of connecting pipes 9 are opened and the two valves 10 on the second group of connecting pipes 9 are closed. The high-temperature medium enters the first group of filter box components through the No. 1 three-way pipe 8 for impurity filtration and then enters the interior of the desuperheater body 1 through the No. 2 three-way pipe 11 and the No. 1 delivery pipe 2. The high-temperature medium enters the interior of the desuperheater body 1, and the low-temperature medium enters the interior of the shell 5 through the No. 3 delivery pipe 6. The heat of the high-temperature medium inside the desuperheater body 1 is transported to the interior of the shell 5 through the heat sink. The low-temperature medium inside the shell 5 absorbs the heat sound pattern, and the low-temperature medium that absorbs the heat is discharged through the No. 4 delivery pipe 7 to re-enter the boiler for heating, thereby reducing the boiler load and making rational use of waste heat. When it is necessary to sample and test the medium, the staff opens the sampling valve 13 to allow the medium to be discharged through the sampling valve 13 for sampling.

[0027] Embodiment 2:

[0028] This embodiment, based on the embodiment 1, further comprises a spring 19, a telescopic rod 20 and a top fixing plate 21. Figure 5As shown, a placement groove is provided at the bottom end of the sealing cover 18, and a spring 19 and a telescopic rod 20 are respectively provided in the placement groove. The bottom ends of the spring 19 and the telescopic rod 20 are connected to the top end of the top fixing plate 21, and the spring 19 is sleeved on the outside of the telescopic rod 20;

[0029] like Figure 3 As shown, a handle 22 is also included. The top of the sealing cover 18 is provided with a handle 22 .

[0030] In this embodiment, the filter frame 16 is slid into the card slot 15, and then the sealing cover 18 is installed on the top of the filter box body 14 and fixed by bolts. When the cover 8 is installed on the top of the filter box body 14, the bottom end of the top fixing plate 21 contacts the top of the filter frame 16, so that the spring 19 and the telescopic rod 20 are contracted, and the top fixing plate 21 enters the placement groove and the bottom end of the top fixing plate 21 is flush with the bottom end of the sealing cover 18. The top fixing plate 21 is tightened and fixed to the filter frame 16 under the action of the elastic force of the spring 19, and the two sets of valves 10 on the first set of connecting pipes 9 are opened and the two sets of valves 10 on the second set of connecting pipes 9 are closed. The high-temperature medium enters through the No. 1 three-way pipe 8 After the first group of filter box components filters the impurities, the medium enters the desuperheater body 1 through the No. 2 three-way pipe 11 and the No. 1 delivery pipe 2, the high-temperature medium enters the desuperheater body 1, and the low-temperature medium enters the shell 5 through the No. 3 delivery pipe 6. The heat of the high-temperature medium in the desuperheater body 1 is transported to the shell 5 through the heat sink, and the low-temperature medium in the shell 5 absorbs the heat sound pattern. The low-temperature medium that absorbs the heat is discharged through the No. 4 delivery pipe 7 and re-enters the boiler for heating, thereby reducing the boiler load and making rational use of the waste heat. When it is necessary to sample and test the medium, the staff opens the sampling valve 13 to discharge the medium through the sampling valve 13 for sampling, thereby improving convenience.

[0031] The desuperheater body 1 of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technicians in the field to make creative efforts.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A waste heat recovery type energy-saving and temperature reduction device, comprising a temperature reducer body (1), a first delivery pipe (2) and a second delivery pipe (3), wherein the first delivery pipe (2) is arranged at the input end of the temperature reducer body (1), and the second delivery pipe (3) is arranged at the output end of the temperature reducer body (1), characterized in that: It also includes a heat sink, a heat exchange component and a filter component. The heat exchange component is mounted on the outside of the desuperheater body (1). The filter component is arranged at the input end of the No. 1 delivery pipe (2).

2. A waste heat recovery energy-saving and temperature-reducing device as claimed in claim 1, characterized in that: The heat exchange assembly comprises a shell (5), a No. 3 delivery pipe (6), a No. 4 delivery pipe (7) and a heat sink. The shell (5) is sleeved on the outer wall of the desuperheater body (1). The shell (5) is provided with a heat sink inside. The heat sink extends into the desuperheater body (1). The No. 3 delivery pipe (6) is provided at the input end of the shell (5), and the No. 4 delivery pipe (7) is provided at the output end of the shell (5).

3. A waste heat recovery energy-saving and temperature-reducing device as claimed in claim 2, characterized in that: The filter assembly comprises a No. 1 three-way pipe (8), a connecting pipe (9), a valve (10), a No. 2 three-way pipe (11) and a filter box assembly. The two output ends of the No. 1 three-way pipe (8) are respectively connected to the input ends of a group of connecting pipes (9). The output ends of the two groups of connecting pipes (9) are respectively connected to the two input ends of the No. 2 three-way pipe (11). The output end of the No. 2 three-way pipe (11) is connected to the input end of the No. 1 delivery pipe (2). Each group of connecting pipes (9) is respectively provided with a group of filter box assemblies and two groups of valves (10).

4. The waste heat recovery energy-saving and temperature-reducing device according to claim 2, characterized in that: It also comprises a sampling tube (12) and a sampling valve (13); the sampling tube (12) is arranged on the third delivery tube (6), and the sampling valve (13) is installed on the sampling tube (12).

5. The waste heat recovery energy-saving and temperature-reducing device according to claim 3, characterized in that: The filter box assembly comprises a filter box body (14), a card slot (15), a filter frame (16), a filter screen (17) and a sealing cover (18); the filter box body (14) is provided with a card slot (15) inside, the filter frame (16) is placed in the card slot (15), the filter screen (17) is installed inside the filter frame (16), and the sealing cover (18) is installed on the top of the filter box body (14) by screwing.

6. A waste heat recovery energy-saving and temperature-reducing device as claimed in claim 5, characterized in that: It also includes a spring (19), a telescopic rod (20) and a top fixing plate (21). The bottom end of the sealing cover (18) is provided with a placement groove, in which the spring (19) and the telescopic rod (20) are respectively arranged. The bottom ends of the spring (19) and the telescopic rod (20) are connected to the top end of the top fixing plate (21), and the spring (19) is sleeved on the outside of the telescopic rod (20).

7. The waste heat recovery energy-saving and temperature-reducing device according to claim 5, characterized in that: It also comprises a handle (22), and the top end of the sealing cover (18) is provided with the handle (22).

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