Waste water heat energy recovery device

Abstract

The utility model belongs to the field of waste water heat energy recovery, and particularly relates to a waste water heat energy recovery device which comprises a box body, a normal-temperature water pipe is arranged in an inner cavity of the box body, the top and the bottom of the normal-temperature water pipe penetrate to the outer side of the box body, and a first electromagnetic valve is fixedly arranged on the surface of the normal-temperature water pipe in a sleeved mode. The stirring rod is driven by the motor to rotate, waste water can be uniformly stirred, a normal-temperature water pipe is heated through heat in the waste water, the heat exchange effect is achieved, meanwhile, impurities in the waste water can be filtered and collected through cooperation of the positioning frame and the filter screen, a user can conveniently take out the filter screen through the limiting assembly, and therefore the maintenance efficiency is improved; the waste water heat energy recovery device solves the problems that when an existing waste water heat energy recovery device is used, impurities contained in waste water can be filtered through filter screens, but most of the filter screens are fixedly installed and inconvenient to disassemble, so that workers are troublesome to maintain the filter screens, and the working efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the field of wastewater heat energy recovery, in particular to a wastewater heat energy recovery device. Background Art

[0002] A large amount of industrial wastewater is generated during the production process of many industries. In addition to containing a large amount of industrial pollutants, most of these wastewaters have a common characteristic: high temperature. High-temperature industrial wastewater discharged into the environment will cause great harm to animals and plants. The wastewater still contains a large amount of heat energy. If the heat is allowed to dissipate into the air after the wastewater is discharged, it will cause great waste.

[0003] When the existing wastewater heat recovery device is in use, impurities contained in the wastewater will be filtered through a filter screen. However, most of the filter screens are fixedly installed and are not easy to disassemble, which makes it more troublesome for workers to maintain the filter screen, thereby reducing work efficiency. Therefore, a wastewater heat recovery device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve the problem that the existing wastewater heat energy recovery device, when in use, will filter the impurities contained in the wastewater through a filter screen, but most of the filter screens are fixedly installed and are not convenient for disassembly, which makes it more troublesome for the staff to maintain the filter screen, thereby reducing the work efficiency, the utility model proposes a wastewater heat energy recovery device.

[0005] The utility model solves the technical problem by adopting the following technical scheme: a wastewater heat energy recovery device, comprising a box body, the inner cavity of the box body is provided with a normal temperature water pipe, the top and the bottom of the normal temperature water pipe are both penetrated to the outside of the box body, the surface of the normal temperature water pipe is fixedly sleeved with a first solenoid valve, the right side of the box body is connected with a guide shell, the top of the guide shell is connected with a water inlet pipe, the inner cavity of the guide shell is provided with a positioning frame, the inner cavity of the positioning frame is provided with a filter screen, the bottom of the guide shell is provided with a limit position assembly, the top of the box body is provided with a motor, the output end of the motor penetrates the inner cavity of the box body and is fixedly connected with a stirring rod, the bottom of the stirring rod is rotatably connected with the inner wall of the box body through a bearing, the bottom of the box body is connected with a drain pipe, the surface of the drain pipe is fixedly sleeved with a second solenoid valve;

[0006] The limiting assembly includes an electric push rod, the top of which is fixedly connected to the bottom of the guide shell, the output end of the electric push rod is fixedly connected to a positioning plate, two cables are fixedly installed on the top of the positioning plate, an L-shaped limiting plate is fixedly installed on the side of the cable away from the positioning plate, the opposite sides of the two L-shaped limiting plates are clamped with the positioning frame, the inner cavity of the L-shaped limiting plate is rotatably connected to the limiting frame, and the side of the limiting frame close to the guide shell is fixedly connected to the guide shell.

[0007] Preferably, the inner cavity of the positioning plate is slidably connected to two sliding rods, and the tops of the sliding rods are fixedly connected to the bottom of the guide shell.

[0008] Preferably, both sides of the L-shaped limiting plate are fixedly connected with torsion springs, and the side of the torsion spring away from the L-shaped limiting plate is fixedly connected to the limiting frame.

[0009] By arranging the torsion spring, the L-shaped limit plate can be quickly reset under the reaction force of the torsion spring, thereby facilitating the L-shaped limit plate to limit the positioning frame.

[0010] Preferably, a flange is fixedly mounted on the surface of the water inlet pipe, and a through hole is opened on the surface of the flange.

[0011] Preferably, a baffle is provided at the bottom of the inner cavity of the positioning frame, and the shape of the baffle is triangular.

[0012] By setting a triangular baffle, impurities in the wastewater can be blocked, making it convenient for users to maintain and clean.

[0013] Preferably, a mounting frame is fixedly mounted on the rear side of the box body, and a mounting hole is opened on the surface of the mounting frame.

[0014] Preferably, a surface fixing sleeve of the motor is provided with a fixing ring, and the bottom of the fixing ring is fixedly connected to the top of the box body.

[0015] The utility model is beneficial in that:

[0016] The utility model drives the stirring rod to rotate by a motor, so as to evenly stir the wastewater, and utilizes the heat in the wastewater to heat the normal temperature water pipe to realize the heat exchange effect. At the same time, the positioning frame and the filter screen cooperate to filter and collect impurities in the wastewater, and the limiting component is used to facilitate the user to take out the filter screen, thereby improving the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the wastewater heat recovery device of the utility model;

[0019] Figure 2 This is a structural cross-sectional view of the wastewater heat recovery device of the utility model;

[0020] Figure 3 It is a right side sectional view of the box structure of the utility model;

[0021] Figure 4 This is a structural disassembly diagram of the guide shell, the positioning frame and the filter screen of the utility model;

[0022] Figure 5 It is a structural left view of the limiting assembly of the utility model.

[0023] In the figure: 1. box body; 2. normal temperature water pipe; 3. first solenoid valve; 4. guide shell; 5. water inlet pipe; 6. positioning frame; 7. filter screen; 8. limit assembly; 801. electric push rod; 802. positioning plate; 803. cable; 804. L-shaped limit plate; 805. limit frame; 806. slide bar; 807. torsion spring; 9. motor; 10. stirring rod; 11. drain pipe; 12. second solenoid valve; 13. flange; 14. through hole; 15. baffle; 16. mounting frame; 17. mounting hole; 18. fixing ring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The following is combined with Figure 1-5 To further explain this application in detail,

[0026] The present application embodiment discloses a wastewater heat recovery device. Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A wastewater heat energy recovery device comprises a box body 1, an inner cavity of the box body 1 is provided with a normal temperature water pipe 2, the top and bottom of the normal temperature water pipe 2 are both penetrated to the outside of the box body 1, a first solenoid valve 3 is fixedly sleeved on the surface of the normal temperature water pipe 2, a flow guide shell 4 is connected to the right side of the box body 1, a water inlet pipe 5 is connected to the top of the flow guide shell 4, a positioning frame 6 is provided in the inner cavity of the flow guide shell 4, a filter screen 7 is provided in the inner cavity of the positioning frame 6, a limit assembly 8 is provided at the bottom of the flow guide shell 4, a motor 9 is provided at the top of the box body 1, an output end of the motor 9 penetrates into the inner cavity of the box body 1 and is fixedly connected with a stirring rod 10, the bottom of the stirring rod 10 is rotatably connected to the inner wall of the box body 1 through a bearing, a drain pipe 11 is connected to the bottom of the box body 1, and a second solenoid valve 12 is fixedly sleeved on the surface of the drain pipe 11;

[0027] The limiting assembly 8 includes an electric push rod 801, the top of which is fixedly connected to the bottom of the guide shell 4, and the output end of the electric push rod 801 is fixedly connected to a positioning plate 802, and two cables 803 are fixedly installed on the top of the positioning plate 802, and an L-shaped limiting plate 804 is fixedly installed on the side of the cable 803 away from the positioning plate 802, and the opposite sides of the two L-shaped limiting plates 804 are both clamped with the positioning frame 6, and the inner cavity of the L-shaped limiting plate 804 is rotatably connected to the limiting frame 805, and the side of the limiting frame 805 close to the guide shell 4 is fixedly connected to the guide shell 4; the stirring rod 10 is driven to rotate by the motor 9, so that the wastewater can be evenly stirred, and the heat in the wastewater is used to heat the normal temperature water pipe 2 to achieve heat exchange. At the same time, the positioning frame 6 and the filter screen 7 are used in combination to filter and collect impurities in the wastewater, and the limiting assembly 8 is used to facilitate the user to take out the filter screen 7, thereby improving maintenance efficiency.

[0028] Reference Figure 5 The inner cavity of the positioning plate 802 is slidably connected to two sliding rods 806, and the top of the sliding rod 806 is fixedly connected to the bottom of the guide shell 4; by setting the sliding rod 806, the positioning plate 802 can be limited to avoid the position of the positioning plate 802 being offset when moving.

[0029] Reference Figure 5 , torsion springs 807 are fixedly connected to both sides of the L-shaped limit plate 804, and the side of the torsion spring 807 away from the L-shaped limit plate 804 is fixedly connected to the limit frame 805; by setting the torsion spring 807, the L-shaped limit plate 804 can be quickly reset under the reaction force of the torsion spring 807, thereby facilitating the L-shaped limit plate 804 to limit the positioning frame 6.

[0030] Reference Figure 4 A flange 13 is fixedly mounted on the surface of the water inlet pipe 5, and a through hole 14 is opened on the surface of the flange 13; by arranging the flange 13 and the through hole 14, the water inlet pipe 5 can be limited, which is convenient for the user to connect the water inlet pipe 5.

[0031] Reference Figure 4 A baffle 15 is provided at the bottom of the inner cavity of the positioning frame 6, and the shape of the baffle 15 is triangular; by providing the triangular baffle 15, impurities in the wastewater can be blocked, thereby facilitating maintenance and cleaning by the user.

[0032] Reference Figure 3 A mounting bracket 16 is fixedly installed on the rear side of the box body 1, and a mounting hole 17 is opened on the surface of the mounting bracket 16; by setting the mounting bracket 16 and the mounting hole 17, the box body 1 can be limited, which is convenient for the user to install and fix the box body 1.

[0033] Reference Figure 1 and Figure 3A fixing ring 18 is provided on the surface of the motor 9, and the bottom of the fixing ring 18 is fixedly connected to the top of the box body 1; by providing the fixing ring 18, the motor 9 can be fixed to prevent the position of the motor 9 from shifting when in use.

[0034] Working principle: when in use, waste water enters the inner cavity of the box body 1 through the guide shell 4, and the impurities in the waste water can be filtered and collected through the cooperation of the filter screen 7 and the baffle 15, and then the motor 9 is started by an external power supply, and the output end of the motor 9 drives the stirring rod 10 to rotate, and the stirring rod 10 stirs the waste water evenly, and heats the water in the inner cavity of the normal temperature water pipe 2 through the heat in the waste water, which plays a role in heat exchange. When the user needs to maintain the filter screen 7, the electric push rod 801 is started by an external power supply, and the output end of the electric push rod 801 drives the positioning plate 802 to move downward. When the positioning plate 802 moves downward, it pulls one end of the two cables 803. At this time, the other end of the cable 803 drives one end of the L-shaped limit plate 804 to move, so as to release the limit on the positioning frame 6, so as to facilitate the user to take out the filter screen 7, and the reaction force of the torsion spring 807 can be used to realize the rapid resetting of the L-shaped limit plate 804, so as to facilitate the L-shaped limit plate 804 to limit and fix the positioning frame 6.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A wastewater heat recovery device, characterized in that: The invention comprises a box body (1), the inner cavity of the box body (1) is provided with a normal temperature water pipe (2), the top and the bottom of the normal temperature water pipe (2) both penetrate to the outside of the box body (1), the surface of the normal temperature water pipe (2) is fixedly sleeved with a first solenoid valve (3), the right side of the box body (1) is connected with a flow guide shell (4), the top of the flow guide shell (4) is connected with a water inlet pipe (5), the inner cavity of the flow guide shell (4) is provided with a positioning frame (6), and the inner cavity of the positioning frame (6) is provided with a through A filter screen (7), a limit assembly (8) is arranged at the bottom of the guide shell (4), a motor (9) is arranged at the top of the box body (1), an output end of the motor (9) penetrates the inner cavity of the box body (1) and is fixedly connected to a stirring rod (10), the bottom of the stirring rod (10) is rotatably connected to the inner wall of the box body (1) through a bearing, the bottom of the box body (1) is connected to a drain pipe (11), and a second solenoid valve (12) is fixedly sleeved on the surface of the drain pipe (11); The limiting assembly (8) comprises an electric push rod (801), the top of which is fixedly connected to the bottom of the guide shell (4), the output end of which is fixedly connected to a positioning plate (802), the top of which is fixedly mounted with two cables (803), the side of which is away from the positioning plate (802) being fixedly mounted with an L-shaped limiting plate (804), the opposite sides of the two L-shaped limiting plates (804) being snap-fitted to the positioning frame (6), the inner cavity of the L-shaped limiting plate (804) being rotatably connected to the limiting frame (805), and the side of the limiting frame (805) close to the guide shell (4) being fixedly connected to the guide shell (4).

2. A wastewater heat recovery device according to claim 1, characterized in that: The inner cavity of the positioning plate (802) is slidably connected to two sliding rods (806), and the top of the sliding rod (806) is fixedly connected to the bottom of the guide shell (4).

3. A wastewater heat recovery device according to claim 1, characterized in that: Torsion springs (807) are fixedly connected to both sides of the L-shaped limiting plate (804), and the side of the torsion spring (807) away from the L-shaped limiting plate (804) is fixedly connected to the limiting frame (805).

4. A wastewater heat recovery device according to claim 1, characterized in that: A flange (13) is fixedly sleeved on the surface of the water inlet pipe (5), and a through hole (14) is opened on the surface of the flange (13).

5. The wastewater heat recovery device according to claim 1, characterized in that: A baffle (15) is provided at the bottom of the inner cavity of the positioning frame (6), and the baffle (15) is in a triangular shape.

6. A wastewater heat recovery device according to claim 1, characterized in that: A mounting frame (16) is fixedly mounted on the rear side of the box body (1), and a mounting hole (17) is provided on the surface of the mounting frame (16).

7. The wastewater heat recovery device according to claim 1, characterized in that: A fixing ring (18) is provided on the surface fixing sleeve of the motor (9), and the bottom of the fixing ring (18) is fixedly connected to the top of the box body (1).

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