CN217004629U

CN217004629U - Heating heat exchange system

Info

Publication number: CN217004629U
Application number: CN202220650484.4U
Authority: CN
Inventors: 戚云峰; 石健; 刘钧
Original assignee: Sichuan Dianshi Energy Co ltd
Current assignee: Sichuan Dianshi Energy Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-19
Anticipated expiration: 2032-03-22

Abstract

The utility model belongs to the technical field of heating system's technique and specifically relates to a heating heat transfer system is related to, a heating heat transfer system, including boiler, waste pipe, heating delivery pipe, heating wet return, water pump and cooling pond, the one end and the boiler of waste pipe are connected, and the other end extends to in the cooling pond, the water pump sets up in the cooling pond, the delivery port and the heating delivery pipe intercommunication of water pump, be provided with on the water pump and be used for the processing subassembly to boiler exhaust waste water treatment, be provided with the filter between water pump and the heating delivery pipe. This application has the effect of being convenient for recycle boiler discharge high temperature waste water.

Description

Heating heat exchange system

Technical Field

The application relates to the technical field of heating systems, in particular to a heating heat exchange system.

Background

In the production process of the power station, the interior of a plant of the power station needs to be heated. At present, the heating inside the power station generally adopts an external centralized heating mode to heat the factory buildings of the power station. The external centralized heating mainly introduces hot water outside the power station, the hot water is conveyed to each factory building through a heating water supply pipeline, and then the hot water flows back to the outside of the power station through a heating water return pipeline to perform centralized heating circulation. However, when the power station boiler discharges sewage, five tons of high-temperature steam water are discharged every hour, and the high-temperature steam water is discharged after being cooled by the cooling pond.

Aiming at the related technologies, the inventor finds that the power station boiler directly cools the high-temperature steam and discharges the high-temperature steam, so that double waste of energy and resources is caused.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the reuse of the high-temperature waste water discharged by the boiler, the application provides a heating heat exchange system.

The application provides a heating heat transfer system adopts following technical scheme:

the utility model provides a heating heat transfer system, includes boiler, waste pipe, heating delivery pipe, heating wet return, water pump and cooling pond, the one end and the boiler of waste pipe are connected, and the other end extends to in the cooling pond, the water pump sets up in the cooling pond, the delivery port and the heating delivery pipe intercommunication of water pump, be provided with the processing component who is used for boiler discharge waste water treatment on the water pump, be provided with the filter between water pump and the heating delivery pipe.

By adopting the technical scheme, high-temperature wastewater generated by the boiler is discharged into the cooling pool through the wastewater pipe, and after the wastewater is treated by the treatment component, the high-temperature wastewater is pumped into a plant by the water pump through the heating water supply pipe for heating, and then flows out through the heating water return pipe; through the reuse to boiler waste water to improve the utilization to the water resource and the utilization of heat energy in the high temperature waste water, reduce the waste to energy and resource, and handle and filter waste water through processing assembly and filter, so that reuse to waste water.

Optionally, a partition plate is arranged on the cooling tank, the cooling tank is divided into a treatment area and a cooling area by the partition plate, a one-way valve for wastewater to flow from the treatment area to the cooling area is arranged on the partition plate, and the water pump is located in the treatment area.

By adopting the technical scheme, high-temperature wastewater enters the treatment area from the wastewater pipe, hot water is pumped out for heating by the water pump after being treated by the treatment assembly, and redundant wastewater enters the cooling area through the one-way valve to be cooled and then is discharged.

Optionally, the processing assembly is including setting up the filter screen in the treatment area, waste pipe and water pump are located the both sides of filter screen respectively, be provided with the clearance piece that is used for clearing up the incrustation scale on the treatment area.

Through adopting above-mentioned technical scheme, the filter screen filters the waste water in the boiler, filters the incrustation scale in the waste water back and is extracted by the water pump again to reduce the damage of water pump and follow-up heating pipe's jam.

Optionally, the cleaning member includes a scraper slidably disposed in the treatment area, the scraper is located on one side of the filter screen close to the waste water pipe, the scraper abuts against the bottom wall of the treatment area, and a collecting tank for collecting scale is disposed on one side of the bottom wall of the treatment area.

Through adopting above-mentioned technical scheme, the scraper blade that slides, the incrustation scale scraper blade on with the treatment area diapire move to in the collection groove to in the collection to the incrustation scale.

Optionally, the cooling tank is provided with a lead screw in a rotating manner, the scraper plate is provided with a connecting rod, the connecting rod is in threaded connection with the lead screw, the cooling tank is provided with a motor for driving the lead screw to rotate, and an output shaft of the motor is connected with the lead screw.

Through adopting above-mentioned technical scheme, starter motor, motor drive lead screw rotate, and the lead screw drives the scraper blade and slides in the bottom of treatment area to in the clearance to the incrustation scale.

Optionally, a water scale collecting box is arranged in the collecting tank, a hook is arranged at one end of the collecting box, and the hook is hung on the side wall of the cooling tank.

Through adopting above-mentioned technical scheme, the scraper blade is scraped the incrustation scale and is moved to the collection box on the collection groove, takes off the couple on the lateral wall in cooling tank, will collect the box and propose cooling tank to in will collecting the incrustation scale clearance in the box, with the accumulation of the too much incrustation scale in reduction processing area.

Optionally, the system further comprises a steam pipe, wherein the steam pipe is communicated with steam in the plant area, and the steam pipe extends into the treatment area.

Through adopting above-mentioned technical scheme, factory's steam enters into the treatment area from the steam pipe to when the heat that boiler high temperature waste water produced is not enough, heat the water in treatment area, it is normal to ensure the heating in the factory building.

Optionally, a check valve, a thermometer and a pressure gauge are further arranged between the heating water supply pipe and the water pump, the check valve is located at an outlet end of the water pump, and the thermometer and the pressure gauge are located at one end, far away from the water pump, of the filter.

Through adopting above-mentioned technical scheme, the check valve has reduced the hydrothermal backward flow in water pump department, and thermometer and manometer are favorable to monitoring the pressure and the temperature of rivers in the heating delivery pipe at any time to it is normal to ensure the heating in factory.

In summary, the present application includes at least one of the following beneficial technical effects:

high-temperature wastewater generated by the boiler is discharged into the cooling pond through the wastewater pipe, after the wastewater is treated by the treatment component, the high-temperature wastewater is pumped into a factory building by the water pump through the heating water supply pipe for heating, and then flows out through the heating water return pipe; the boiler wastewater is recycled, so that the utilization of water resources and the utilization of heat energy in high-temperature wastewater are improved, the waste of energy and resources is reduced, and the wastewater is treated and filtered through the treatment assembly and the filter, so that the wastewater is recycled;

the scraper blade is scraped the incrustation scale and is moved to the collection box on the collection groove, takes off the couple from the lateral wall in cooling tank, will collect the box and propose cooling tank to in will collecting the incrustation scale clearance in the box, with the accumulation of the too much incrustation scale in reduction processing area.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a cooling pool in an embodiment of the present application.

Description of reference numerals: 1. a boiler; 2. a waste pipe; 3. a heating water supply pipe; 4. a heating water return pipe; 5. a water pump; 6. a cooling pool; 61. a treatment zone; 62. a cooling zone; 7. a filter; 8. a partition plate; 9. a one-way valve; 10. a filter screen; 11. a squeegee; 12. collecting tank; 13. a lead screw; 14. a connecting rod; 15. a motor; 16. a collection box; 17. hooking; 18. a steam pipe; 19. a check valve; 20. a thermometer; 21. a pressure gauge; 22. a throttle valve; 23. and (4) a gate valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a heating heat exchange system. Referring to fig. 1, the heating heat exchange system includes boiler 1, waste pipe 2, heating delivery pipe 3, heating wet return 4, water pump 5 and cooling tank 6, the one end of waste pipe 2 and the one end intercommunication of the 1 row of waste water of boiler, the other end extends to in the cooling tank 6, water pump 5 is fixed in cooling tank 6, water pump 5's delivery port and heating delivery pipe 3 intercommunication, be provided with the processing module who is used for 1 exhaust waste water treatment to the boiler on the water pump 5, the intercommunication has filter 7 between water pump 5 and the heating delivery pipe 3, be connected with gate valve 23 on the heating delivery pipe 3. High-temperature wastewater generated by the boiler 1 is discharged into a cooling pool 6 through a wastewater pipe 2, after the wastewater is treated through a treatment component, the high-temperature wastewater is pumped into a plant by a water pump 5 through a heating water supply pipe 3 for heating, and then flows out through a heating water return pipe 4; by recycling the waste water of the boiler 1, the utilization of water resources and the utilization of heat energy in high-temperature waste water are improved, and the waste of energy and resources is reduced.

Referring to fig. 2, a partition plate 8 is built on the cooling tank 6, the cooling tank 6 is divided into a treatment area 61 and a cooling area 62 by the partition plate 8, a check valve 9 for allowing wastewater to flow from the treatment area 61 to the cooling area 62 is fixedly arranged on the partition plate 8 in a penetrating mode, the check valve 9 is located at the upper end of the partition plate 8, and the water pump 5 is located in the treatment area 61.

Referring to fig. 2, the treatment assembly comprises a filter screen 10 fixed in the middle of the treatment area 61, the wastewater pipe 2 and the water pump 5 are respectively positioned on two sides of the filter screen 10, the water pump 5 is positioned on one side close to the cooling area 62, and a cleaning member for cleaning scale is arranged on the treatment area 61. Clearance piece includes sliding connection at the scraper blade 11 of treatment area 61, and the slip direction of scraper blade 11 is on a parallel with the width direction of cooling pond 6, and scraper blade 11 is located filter screen 10 and is close to one side of waste pipe 2, and scraper blade 11 and treatment area 61's diapire butt, and the collecting vat 12 that is used for collecting the incrustation scale is offered to one side of treatment area 61 diapire, and collecting vat 12 is located filter screen 10 and is close to one side of scraper blade 11. The collecting tank 12 is internally provided with a collecting box 16 for containing scale, the collecting box 16 is open at the top, the bottom of the collecting box 16 is provided with a water leakage hole, the two ends of the collecting box 16 are welded and fixed with hooks 17, and the hooks 17 are hung on the side wall of the cooling tank 6. The scraper 11 scrapes the scale filtered by the filter screen 10 into the collection box 16, and when the collection box 16 contains more scale, the collection box 16 is taken out of the cooling pool 6 through the hook 17, so that the collection box 16 can be cleaned.

Referring to fig. 2, a lead screw 13 is rotatably connected to the cooling tank 6, a rotation axis of the lead screw 13 is along a sliding direction of the scraper 11, a connecting rod 14 is welded and fixed to the scraper 11, the connecting rod 14 is in threaded connection with the lead screw 13, a motor 15 for driving the lead screw 13 to rotate is connected to the cooling tank 6 through a bolt, and an output shaft of the motor 15 is connected with the lead screw 13. The top of the filter screen 10 is also rotatably connected with a screw 13, two ends of the scraper 11 are both fixed with connecting rods 14, and the two connecting rods 14 are respectively in threaded connection with the two screw 13.

Referring to fig. 1 and 2, the heating heat exchange system further includes a steam pipe 18, the steam pipe 18 is in communication with the plant steam, the steam pipe 18 is connected with a gate valve 23, the steam pipe 18 extends into the treatment zone 61, and the steam pipe 18 is disposed adjacent to the water pump 5. A check valve 19, a thermometer 20 and a pressure gauge 21 are further connected between the heating water supply pipe 3 and the water pump 5, the check valve 19 is located at the outlet end of the water pump 5, and the thermometer 20 and the pressure gauge 21 are both located at one end, far away from the water pump 5, of the filter 7. The heating water return pipe 4 is connected with a throttle valve 22, when the heating water return pipe operates normally, the throttle valve 22 is used for throttling, the outlet pressure of the water pump 5 is improved, the pressure gauge 21 behind the filter 7 is not less than 0.3MPa, and the throttle valve 22 reduces the flow of the water pump 5 so as to improve the utilization of heat. An end branch of the heating return pipe 4 extends into the treatment area 61 to be replenished when the amount of water is insufficient.

The implementation principle of a heating heat exchange system in the embodiment of the application is as follows: high temperature waste water that boiler 1 produced discharges through waste pipe 2 in cooling tank 6, high temperature waste water filters the back through filter screen 10, the waste water of high temperature is heated in passing through 3 pump sending of heating delivery pipe to the factory building by

water pump

5, 4 play of rethread heating wet return, in the clearance pond, drive lead screw 13 through motor 15 and rotate, lead screw 13 drives scraper blade 11 and clears up the 61 diapire of treatment area, scrape the incrustation scale and collect in the box 16, it can clear up the incrustation scale to take out collection box 16.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A heating heat exchange system is characterized in that: including boiler (1), waste pipe (2), heating delivery pipe (3), heating wet return (4), water pump (5) and cooling pond (6), the one end and the boiler (1) of waste pipe (2) are connected, and in the other end extended to cooling pond (6), water pump (5) set up in cooling pond (6), the delivery port and the heating delivery pipe (3) intercommunication of water pump (5), be provided with on water pump (5) and be used for the processing subassembly to boiler (1) exhaust waste water treatment, be provided with filter (7) between water pump (5) and the heating delivery pipe (3).

2. The heating heat exchange system according to claim 1, wherein: be provided with baffle (8) on cooling pond (6), treatment area (61) and cooling district (62) are separated into with cooling pond (6) in baffle (8), be provided with on baffle (8) and supply waste water to flow to cooling district (62) from treatment area (61) check valve (9), water pump (5) are located treatment area (61).

3. The heating heat exchange system according to claim 2, wherein: the processing assembly comprises a filter screen (10) arranged in a processing area (61), the waste water pipe (2) and the water pump (5) are respectively positioned on two sides of the filter screen (10), and a cleaning piece for cleaning scale is arranged on the processing area (61).

4. The heating heat exchange system according to claim 3, wherein: the cleaning part comprises a scraping plate (11) which is arranged in a treatment area (61) in a sliding mode, the scraping plate (11) is located on one side, close to the waste water pipe (2), of the filter screen (10), the scraping plate (11) is abutted to the bottom wall of the treatment area (61), and a collecting tank (12) used for collecting scale is arranged on one side of the bottom wall of the treatment area (61).

5. The heating heat exchange system according to claim 4, wherein: the cooling tank (6) is provided with a lead screw (13) in a rotating mode, the scraper (11) is provided with a connecting rod (14), the connecting rod (14) is in threaded connection with the lead screw (13), the cooling tank (6) is provided with a motor (15) used for driving the lead screw (13) to rotate, and an output shaft of the motor (15) is connected with the lead screw (13).

6. The heating heat exchange system according to claim 4, wherein: the descaling device is characterized in that a water scale collecting box (16) is arranged in the collecting tank (12), a hook (17) is arranged at one end of the collecting box (16), and the hook (17) is hung on the side wall of the cooling tank (6).

7. The heating heat exchange system according to claim 2, wherein: further comprising a steam pipe (18), the steam pipe (18) being in steam communication with the plant area, the steam pipe (18) extending into the processing area (61).

8. The heating heat exchange system according to claim 1, wherein: still be provided with check valve (19), thermometer (20) and manometer (21) between heating delivery pipe (3) and water pump (5), check valve (19) are located the exit end of water pump (5), thermometer (20) and manometer (21) all are located filter (7) and keep away from the one end of water pump (5).