Industrial wastewater waste heat recovery energy-saving treatment device

Abstract

The utility model relates to the technical field of industrial wastewater treatment, and discloses an industrial wastewater waste heat recovery energy-saving treatment device which comprises a mounting frame, supporting frames are fixedly connected to the left side and the right side of the rear end in the mounting frame, a wastewater barrel is fixedly connected to the inner side of the supporting frame on the left side, and an exchange barrel is fixedly connected to the inner side of the supporting frame on the right side. Heat exchange pipes are fixedly connected to the inner side of the waste water barrel and the inner side of the exchange barrel, the front ends of the adjacent sides of the two heat exchange pipes penetrate through the waste water barrel and the exchange barrel correspondingly and communicate with each other, and a circulating pump is fixedly connected to the top of the fixing plate; the rear ends of the adjacent sides of the two heat exchange pipes penetrate through the waste water barrel and the exchange barrel and communicate with the same circulating pump. According to the industrial waste water heat exchange device, industrial waste water in the waste water barrel can heat a heat transfer medium in the heat exchange pipe on the left side, and the circulating pump can convey the heated heat transfer medium into the heat exchange pipe on the right side to heat purified water in the heat exchange barrel.

Description

Technical Field

[0001] This utility model relates to the field of industrial wastewater treatment technology, and in particular to an energy-saving treatment device for industrial wastewater waste heat recovery. Background Technology

[0002] Industrial wastewater treatment is a crucial part of industrial production. With increasingly stringent environmental protection requirements, wastewater treatment technologies are constantly evolving. Traditional wastewater treatment methods primarily focus on removing pollutants, while making less use of waste heat resources. In recent years, with rising energy costs and heightened environmental awareness, waste heat recovery technology has gradually gained attention.

[0003] A search revealed Chinese patent publication number CN211373297U, which discloses an industrial wastewater waste heat recovery device. The device includes a shell, with a supporting reaction seat fitted at the bottom of the shell. An application cavity is located between the supporting reaction seat and the shell. A valve control panel is located on the side of the application cavity away from the outlet. The shell contains a heat exchange cavity and a circulation cavity, with an insulation layer between them. A connecting pipe is located inside the insulation layer, and a connecting valve is located at the bottom of the connecting pipe, cooperating with the valve control panel. A valve is located on one side of the circulation cavity, cooperating with the valve control panel. The device uses a circulating pump with a circulation pipe at the top that matches the heat exchange chamber. The heat exchange chamber contains a wastewater tank with a discharge box at the bottom and a wastewater inlet at the top. The advantages are: it effectively ensures that the equipment can fully utilize the heat energy of industrial wastewater during use, making the equipment more practical. However, the device only uses heat exchange pipes outside the wastewater tank to absorb heat, resulting in low heat absorption efficiency and significant heat loss, thus reducing the energy utilization efficiency and practicality of the device. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an industrial wastewater waste heat recovery and energy-saving treatment device, which aims to improve the problem of low heat recovery efficiency in the use of existing industrial wastewater waste heat recovery and energy-saving treatment devices.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an energy-saving treatment device for industrial wastewater waste heat recovery, comprising a mounting frame, with support frames fixedly connected to the left and right sides of the inner rear end of the mounting frame. A wastewater tank is fixedly connected to the inner side of the left support frame, and an exchange tank is fixedly connected to the inner side of the right support frame. Heat exchange tubes are fixedly connected to the inner sides of both the wastewater tank and the exchange tank. The front ends of adjacent sides of the two heat exchange tubes pass through the wastewater tank and the exchange tank respectively and are connected. A fixing plate is fixedly connected to the lower middle part of the inner rear end of the mounting frame. A circulation pump is fixedly connected to the top of the fixing plate. The rear ends of adjacent sides of the two heat exchange tubes pass through the wastewater tank and the exchange tank and are connected to the same circulation pump. An exhaust pipe is connected to the top of the exchange tank. The top of the exhaust pipe passes through the mounting frame. An output component is provided inside the exhaust pipe. A cleaning mechanism is provided on the top of the wastewater tank.

[0006] Through the above technical solution, the industrial wastewater in the wastewater tank can heat the heat transfer medium in the left heat exchange tube, and the circulating pump can transport the heated heat transfer medium to the right heat exchange tube to heat the pure water in the exchange tank, thereby improving the energy utilization efficiency of the device and meeting the needs of users.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes a fixing ring fixedly connected to the top of the mounting frame. A filter ring is fixedly connected to the top of the fixing ring, and a filter screen is fixedly connected to the top of the filter ring. Support plates are fixedly connected to the left and right sides of the top of the fixing ring. Support rings are fixedly connected to the top of the two support plates. A top cover is fixedly connected to the top of the support ring. A water inlet is connected to the top of the top cover. The top of the water inlet passes through the mounting frame. A transmission rod is rotatably connected to the middle of the top of the filter screen. A scraper is fixedly connected to the bottom of the outer side of the transmission rod. A second impeller is fixedly connected to the top of the transmission rod. A collection assembly is provided on the outer side of the support ring.

[0009] Through the above technical solution, the filter screen can filter industrial wastewater, and the rotating scraper can scrape the impurities accumulated on the filter screen to the top of the fixed ring, so that the impurities in the wastewater will not enter the wastewater tank, thus improving the practicality of the device.

[0010] As a further description of the above technical solution:

[0011] The output component includes a fixed frame, which is fixedly connected to the inner middle of the air outlet pipe. A rotating rod is rotatably connected to the bottom of the fixed frame. A first impeller is fixedly connected to the bottom end of the rotating rod. A driving bevel gear is fixedly connected to the outer middle of the rotating rod. An output shaft is rotatably connected to the inner right side of the air outlet pipe. A driven bevel gear is fixedly connected to the left end of the output shaft. The right end of the output shaft passes through the air outlet pipe.

[0012] Through the above technical solution, the impeller driven by steam will drive the active bevel gear to rotate, and the driven bevel gear will drive the output shaft to rotate, thus outputting power to the outside.

[0013] As a further description of the above technical solution:

[0014] The collecting component includes a movable ring disposed on the outside of the support ring. The movable ring has a fixing plate fixedly connected to its top front and rear sides, and a pin fixedly connected to the bottom of the fixing plate. The support ring has insertion holes on its top front and rear sides, and the bottom end of the pin passes through the insertion hole.

[0015] By using the above technical solution, pushing the movable ring upwards can clean the impurities on the top of the fixed ring.

[0016] As a further description of the above technical solution:

[0017] The front top of the exchange tank is connected to a water inlet pipe, and the top of the water inlet pipe is connected to a water outlet.

[0018] Through the above technical solution, the water inlet pipe can add purified water to the exchange tank, and the water inlet can conveniently add purified water to the water inlet pipe.

[0019] As a further description of the above technical solution:

[0020] A water outlet pipe is connected to the bottom right side of the mounting bracket, and a control switch is provided on the middle of the outer side of the water outlet pipe.

[0021] Through the above technical solution, the water outlet pipe can discharge the hot water in the exchange tank, and the control switch can easily open and close the water outlet pipe.

[0022] As a further description of the above technical solution:

[0023] The bottom of the wastewater tank is connected to a drain pipe, and the inner dimensions of the movable ring match the dimensions of the support ring.

[0024] The above technical solution allows the drain pipe to easily discharge industrial wastewater from inside the wastewater tank. The inner dimensions of the movable ring match the dimensions of the support ring, preventing leakage of industrial wastewater.

[0025] As a further description of the above technical solution:

[0026] Both the wastewater tank and the exchange tank have observation windows on their front sides, and the observation windows have scales on the left side of their front walls.

[0027] With the above technical solution, staff can clearly understand the water volume inside the exchange tank and wastewater tank through the observation window.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the industrial wastewater in the wastewater tank can heat the heat transfer medium in the left heat exchange tube. The circulating pump can transport the heated heat transfer medium to the right heat exchange tube to heat the pure water in the exchange tank. The pure water will generate steam when heated, and the steam will drive the first impeller to rotate. The rotating rod will drive the driving bevel gear to rotate. Since the driven bevel gear meshes with the driving bevel gear, the driven bevel gear will drive the output shaft to rotate. The output shaft can output power to the outside of the device, which improves the energy utilization efficiency of the device and can meet the needs of users.

[0030] 2. In this utility model, the filter screen can filter industrial wastewater, and when the industrial wastewater passes through the inlet, it will drive the second impeller to rotate. The second impeller can drive the scraper to rotate through the transmission rod. When the scraper rotates, it can scrape the impurities accumulated on the filter screen to the top of the fixed ring, so that the impurities in the wastewater will not enter the wastewater tank, thus improving the practicality of the device. Attached Figure Description

[0031] Figure 1 This is a perspective view of an industrial wastewater waste heat recovery and energy-saving treatment device proposed in this utility model;

[0032] Figure 2 This is a partial structural cross-sectional view of an industrial wastewater waste heat recovery and energy-saving treatment device proposed in this utility model;

[0033] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0034] Figure 4 This is a partial structural exploded view of an industrial wastewater waste heat recovery and energy-saving treatment device proposed in this utility model;

[0035] Figure 5 for Figure 4 Enlarged view of point B in the image.

[0036] Legend:

[0037] 1. Mounting frame; 2. Cleaning mechanism; 201. Fixing ring; 202. Filter ring; 203. Filter screen; 204. Support plate; 205. Support ring; 206. Top cover; 207. Water inlet; 208. Transmission rod; 209. Second impeller; 210. Scraper; 211. Movable ring; 212. Fixing plate; 213. Pin; 214. Insertion hole; 3. Support frame; 4. Wastewater tank; 5. Exchange tank; 6. Heat exchange tube; 7. Fixing plate; 8. Circulation pump; 9. Air outlet pipe; 10. Fixing frame; 11. Rotating rod; 12. First impeller; 13. Driving bevel gear; 14. Output shaft; 15. Driven bevel gear; 16. Water inlet; 17. Water outlet pipe; 18. Control switch; 19. Observation window; 20. Scale; 21. Drain pipe; 22. Water inlet pipe. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 1 , Figure 2 and Figure 3 This utility model provides an embodiment of an industrial wastewater waste heat recovery and energy-saving treatment device, comprising a mounting frame 1. Support frames 3 are fixedly connected to the left and right sides of the rear end of the mounting frame 1. A wastewater tank 4 is fixedly connected to the inner side of the left support frame 3, and an exchange tank 5 is fixedly connected to the inner side of the right support frame 3. Heat exchange tubes 6 are fixedly connected to the inner sides of both the wastewater tank 4 and the exchange tank 5. The front ends of adjacent sides of the two heat exchange tubes 6 pass through and are connected to the wastewater tank 4 and the exchange tank 5, respectively. A fixing plate 7 is fixedly connected to the lower middle part of the rear end of the mounting frame 1. A circulating pump 8 is fixedly connected to the top of the fixing plate 7. The rear ends of adjacent sides of the two heat exchange tubes 6 pass through the wastewater tank 4 and the exchange tank 5 and are connected to... The same circulating pump 8 is connected, and the top of the exchange tank 5 is connected to the air outlet pipe 9. The top of the air outlet pipe 9 passes through the mounting frame 1. An output component is provided on the inner side of the air outlet pipe 9. A cleaning mechanism 2 is provided on the top of the wastewater tank 4. The output component includes a fixed frame 10. The fixed frame 10 is fixedly connected to the middle of the inner side of the air outlet pipe 9. A rotating rod 11 is rotatably connected to the bottom of the fixed frame 10. A first impeller 12 is fixedly connected to the bottom end of the rotating rod 11. A driving bevel gear 13 is fixedly connected to the middle of the outer side of the rotating rod 11. An output shaft 14 is rotatably connected to the right side of the inside of the air outlet pipe 9. A driven bevel gear 15 is fixedly connected to the left end of the output shaft 14. The right end of the output shaft 14 passes through the air outlet pipe 9.

[0040] Specifically, when using this device, high-temperature industrial wastewater enters the wastewater tank 4. Inside the wastewater tank 4, the wastewater heats the heat transfer medium in the left heat exchange tube 6, and the circulating pump 8 transports the heated heat transfer medium from the left heat exchange tube 6 to the right heat exchange tube 6. The right heat exchange tube 6 then exchanges heat with the pure water in the exchange tank 5, causing the pure water to be heated and evaporate to generate steam. The steam then flows through the exhaust pipe 9 and drives the first impeller 12 to rotate. The first impeller 12 is connected to the driving bevel gear 13 through the rotating rod 11. Therefore, the rotation of the impeller drives the driving bevel gear 13 to rotate. Since the driven bevel gear 15 meshes with the driving bevel gear 13, the driven bevel gear 15 also rotates, thereby driving the output shaft 14 to rotate. The output shaft 14 can then drive the external generator to rotate, providing power to external equipment and achieving the purpose of power generation. This improves the energy utilization efficiency of the device and meets the needs of users.

[0041] Reference Figure 1 , Figure 4 and Figure 5 The cleaning mechanism 2 includes a fixing ring 201, which is fixedly connected to the top of the mounting frame 1. A filter ring 202 is fixedly connected to the top of the fixing ring 201, and a filter screen 203 is fixedly connected to the top of the filter ring 202. Support plates 204 are fixedly connected to the left and right sides of the top of the fixing ring 201. Support rings 205 are fixedly connected to the top of the two support plates 204. A top cover 206 is fixedly connected to the top of the support ring 205. A water inlet 207 is connected to the top of the top of the top cover 206. The top of the water inlet 207 penetrates the mounting frame 1, and the middle of the top of the filter screen 203 is... A transmission rod 208 is rotatably connected. A scraper 210 is fixedly connected to the bottom outer side of the transmission rod 208. A second impeller 209 is fixedly connected to the top of the transmission rod 208. A collection assembly is provided on the outer side of the support ring 205. The collection assembly includes a movable ring 211. The movable ring 211 is located on the outer side of the support ring 205. Fixing plates 212 are fixedly connected to the front and rear sides of the top of the movable ring 211. A pin 213 is fixedly connected to the bottom of the fixing plate 212. Insertion holes 214 are provided on the front and rear sides of the top of the support ring 205. The bottom end of the pin 213 passes through the insertion hole 214.

[0042] Specifically, when using this device, industrial wastewater flows into the wastewater tank 4 through the inlet 207. The filter screen 203 intercepts various impurities in the wastewater. As the wastewater flows, impurities gradually accumulate on the surface of the filter screen 203. At the same time, the flow of wastewater drives the second impeller 209 to rotate. The second impeller 209 is connected to the transmission rod 208, which is in turn connected to the scraper 210. Therefore, when the second impeller 209 rotates, the transmission rod 208 drives the scraper 210 to rotate synchronously. During the rotation, the scraper 210 scrapes off the impurities accumulated on the filter screen 203, causing them to fall onto the top of the fixed ring 201. When the impurities on the fixed ring 201 accumulate to a certain extent, they push the movable ring 211 upwards, thus cleaning the impurities. This ensures that impurities in the wastewater do not pass through the filtration system and enter the interior of the wastewater tank 4, improving the practicality of the device.

[0043] Reference Figure 1 The top front side of the exchange tank 5 is connected to a water inlet pipe 22, the top of the water inlet pipe 22 is connected to a water outlet 16, the bottom right side of the mounting bracket 1 is connected to a water outlet pipe 17, and a control switch 18 is provided on the middle of the outer side of the water outlet pipe 17.

[0044] Specifically, the water inlet pipe 22 can add purified water to the exchange tank 5, and the water inlet 16 can conveniently add purified water to the water inlet pipe 22. The water outlet pipe 17 can discharge the hot water in the exchange tank 5, and the control switch 18 can conveniently open and close the water outlet pipe 17.

[0045] Reference Figure 1 and Figure 4 The bottom of the wastewater tank 4 is connected to a drain pipe 21. The inner size of the movable ring 211 matches the size of the support ring 205. Both the wastewater tank 4 and the exchange tank 5 have observation windows 19 on their front sides. The left side of the front wall of the observation window 19 has a scale 20.

[0046] Specifically, the drain pipe 21 facilitates the discharge of industrial wastewater from inside the wastewater tank 4, and the inner dimensions of the movable ring 211 match the dimensions of the support ring 205, ensuring that the industrial wastewater will not leak. The staff can clearly understand the water volume inside the exchange tank 5 and the wastewater tank 4 through the observation window 19.

[0047] Working principle: When using this device, high-temperature industrial wastewater enters the wastewater tank 4 and heats the heat transfer medium in the left heat exchange tube 6. The circulating pump 8 can transport the heated heat transfer medium to the right heat exchange tube 6, which can then heat the pure water in the exchange tank 5. The heated pure water will release steam. When the steam passes through the steam outlet pipe 9, it will drive the first impeller 12 to rotate. The first impeller 12 can drive the driving bevel gear 13 to rotate through the rotating rod 11. Since the driven bevel gear 15 meshes with the driving bevel gear 13, the driven bevel gear 15 will drive the output shaft 14 to rotate. The output shaft 14 can output power to the outside of the device, thereby generating electricity.

[0048] Furthermore, when using this device, wastewater can be added into the wastewater tank 4 through the inlet 207, and the filter screen 203 can filter the wastewater. At this time, impurities in the wastewater will accumulate on the filter screen 203. When the wastewater passes through the inlet 207, it will drive the second impeller 209 to rotate. The second impeller 209 can drive the scraper 210 to rotate through the transmission rod 208. When the scraper 210 rotates, it can scrape the impurities accumulated on the filter screen 203 to the top of the fixed ring 201. When a lot of impurities accumulate on the fixed ring 201, the movable ring 211 is pushed upward to clean it, so that the impurities in the wastewater will not enter the interior of the wastewater tank 4.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An industrial wastewater waste heat recovery energy saving treatment device, comprising a mounting frame (1), characterized in that: The mounting frame (1) has support frames (3) fixedly connected to both the left and right sides of its internal rear end. A wastewater tank (4) is fixedly connected to the inner side of the left support frame (3), and an exchange tank (5) is fixedly connected to the inner side of the right support frame (3). Heat exchange tubes (6) are fixedly connected to the inner sides of both the wastewater tank (4) and the exchange tank (5). The front ends of the two adjacent sides of the heat exchange tubes (6) pass through the wastewater tank (4) and the exchange tank (5) respectively and are connected. The lower middle part of the inner rear end of the mounting frame (1) A fixed plate (7) is fixedly connected to the top of the fixed plate (7), and a circulating pump (8) is fixedly connected to the top of the fixed plate (7). The rear ends of the two heat exchange tubes (6) on adjacent sides pass through the wastewater tank (4) and the exchange tank (5) and are connected to the same circulating pump (8). The top of the exchange tank (5) is connected to an air outlet pipe (9). The top of the air outlet pipe (9) passes through the mounting bracket (1). An output component is provided on the inner side of the air outlet pipe (9). A cleaning mechanism (2) is provided on the top of the wastewater tank (4).

2. The industrial wastewater heat recovery and energy saving treatment device according to claim 1, characterized in that: The cleaning mechanism (2) includes a fixing ring (201), which is fixedly connected to the top of the mounting bracket (1). A filter ring (202) is fixedly connected to the top of the fixing ring (201), and a filter screen (203) is fixedly connected to the top of the filter ring (202). Support plates (204) are fixedly connected to the left and right sides of the top of the fixing ring (201), and support rings (205) are fixedly connected to the top of the two support plates (204). The top of the filter screen (203) is fixedly connected to a top cover (206), the top of the top cover (206) is connected to a water inlet (207), the top of the water inlet (207) passes through the mounting bracket (1), the top center of the filter screen (203) is rotatably connected to a transmission rod (208), the bottom of the outer side of the transmission rod (208) is fixedly connected to a scraper (210), the top of the transmission rod (208) is fixedly connected to a second impeller (209), and a collection component is provided on the outer side of the support ring (205).

3. The industrial wastewater waste heat recovery and energy-saving treatment device according to claim 1, characterized in that: The output component includes a fixed frame (10), which is fixedly connected to the middle of the inner side of the air outlet pipe (9). A rotating rod (11) is rotatably connected to the bottom of the fixed frame (10). A first impeller (12) is fixedly connected to the bottom end of the rotating rod (11). A driving bevel gear (13) is fixedly connected to the middle of the outer side of the rotating rod (11). An output shaft (14) is rotatably connected to the right side of the inside of the air outlet pipe (9). A driven bevel gear (15) is fixedly connected to the left end of the output shaft (14). The right end of the output shaft (14) passes through the air outlet pipe (9).

4. The industrial wastewater waste heat recovery and energy-saving treatment device according to claim 2, characterized in that: The collecting component includes a movable ring (211), which is located on the outside of the support ring (205). The movable ring (211) is fixedly connected to the front and rear sides of the top of the movable ring (211) with fixing plates (212). The bottom of the fixing plates (212) is fixedly connected with pins (213). The support ring (205) is provided with insertion holes (214) on the front and rear sides of the top. The bottom end of the pins (213) passes through the insertion holes (214).

5. The industrial wastewater waste heat recovery and energy-saving treatment device according to claim 1, characterized in that: The top of the front side of the exchange tank (5) is connected to a water inlet pipe (22), and the top of the water inlet pipe (22) is connected to a water outlet (16).

6. The industrial wastewater waste heat recovery and energy-saving treatment device according to claim 1, characterized in that: The bottom right side of the mounting bracket (1) is connected to a water outlet pipe (17), and a control switch (18) is provided on the middle of the outer side of the water outlet pipe (17).

7. The industrial wastewater waste heat recovery and energy-saving treatment device according to claim 4, characterized in that: The bottom of the wastewater tank (4) is connected to a drain pipe (21), and the inner size of the movable ring (211) matches the size of the support ring (205).

8. The industrial wastewater waste heat recovery and energy-saving treatment device according to claim 1, characterized in that: Both the wastewater tank (4) and the exchange tank (5) have observation windows (19) on their front sides, and the observation windows (19) have scales (20) on the left side of their front walls.

Images