CN218596148U

CN218596148U - High-rise building waste water heat recovery system

Info

Publication number: CN218596148U
Application number: CN202223128308.3U
Authority: CN
Inventors: 徐德厚; 周学志; 骆开军; 林必超; 左志涛; 徐玉杰; 陈海生
Original assignee: National Energy Large Scale Physical Energy Storage Technology R & D Center Of Bijie High Tech Industrial Development Zone; Institute of Engineering Thermophysics of CAS
Current assignee: National Energy Large Scale Physical Energy Storage Technology R & D Center Of Bijie High Tech Industrial Development Zone; Institute of Engineering Thermophysics of CAS
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-10
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a high-rise building waste water quality heat recovery system, including waste water treatment ware, water purification case, ejector, water heater, waste water at first handle at waste water treatment ware for water purification and sewage, the water purification gets into the water purification case, utilizes high-rise building feedwater surplus pressure through the ejector, inhales the water purification and gets into the hot water after the ejector mixes and heats and supply the user to use, the utility model discloses can reach the dual effect of water economy resource and energy, the system is simple suitable for, and maneuverability is strong, easily promotes.

Description

High-rise building waste water heat recovery system

Technical Field

The utility model relates to a waste water quality heat recovery technical field specifically is a high-rise building waste water quality heat recovery system.

Background

Along with the development of the building industry, high-rise and super high-rise buildings are more and more, and municipal water supply is far from meeting the water pressure required by middle and high-rise buildings. Therefore, high-rise buildings require secondary water supply to meet the water pressure requirements of the households, which often results in the household water pressure being higher than the actually required water pressure. The minimum working pressure required by sanitary ware given in the water supply and drainage code of buildings (GB 50015-2003,2009 edition) is not more than 0.1MPa. Therefore, the high-rise building water network for entering the home has potential surplus pressure to be available. However, the current common practice is to simply and roughly use a pressure reducing valve to reduce the pressure, and then reduce the water with higher pressure to meet the requirement of the user through the pressure reducing valve, which causes waste of pressure energy.

On the other hand, with the improvement of the living standard of people, almost every family is equipped with a water heater, and good living habits are gradually developed, so that the using amount of hot water is continuously increased. However, the used warm waste water is usually directly discharged, and the discharged waste water contains a large amount of heat, so that the waste of water resources and energy is serious.

The patent with the application number of 201420307694.9 and the patent with the application number of 201510620048.7 utilize a water turbine and a generator to recover the surplus pressure of the water supply of the high-rise building. The defects are mainly shown as follows: the water turbine, the generator and the circuit equipment need to be arranged, and the structure is complex and the manufacturing cost is high.

The patent with the application number of 201711306831.1 utilizes a heat exchanger as a heat energy recovery machine to recover and recycle the waste heat of domestic hot water. The defects are mainly shown as follows: the energy-saving effect is single, only the waste heat is recovered, and no waste water is recovered.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned shortcoming and provide a high-rise building waste water quality heat recovery system that can reach the dual effect of water economy resource and energy, the system is simple suitable for, and maneuverability is strong, easily promotes.

In order to achieve the above purpose, the technical solution of the utility model is that:

the utility model discloses a high-rise building waste water quality heat recovery system, including waste water processor, water purification case, ejector, water heater, wherein: one end of the waste water treatment device is connected with a waste water inlet pipe, the other end of the waste water treatment device is respectively connected with a purified water outlet pipe and a sewage outlet pipe, the inlet of the purified water tank is connected with the waste water treatment device through the purified water outlet pipe, the outlet of the purified water tank is connected with the ejector through an ejector low-pressure side inlet pipe, and a one-way valve (controlling the unidirectional flow of fluid) is arranged on the ejector low-pressure side inlet pipe; the ejector is connected with the water heater through a water heater inlet pipe; the ejector is provided with an ejector bypass pipe, an injection pipe inlet of the ejector is in short connection with a diffuser pipe outlet, and the ejector bypass pipe is provided with a valve D; the inlet of the water heater is connected with the inlet pipe of the water heater, and the outlet of the water heater is connected with the outlet pipe of the water heater.

The waste water inlet pipe is provided with a valve A, and a filter element is arranged in the waste water processor.

The top and the bottom of the water purifying tank are respectively provided with an overflow port and a water outlet.

The water heater is characterized in that a valve E is arranged on the outlet pipe of the water heater, and a valve B is arranged on the inlet pipe of the water heater.

And a valve C is arranged on the water supply and household inlet pipe of the high-rise building.

The water heater is a common electric water heater or a gas water heater.

The ejector comprises an injection pipe, a mixing section, a transition section and a diffuser pipe, wherein the injection pipe extends into the left end of the injection pipe, the right end contraction section of the injection pipe extends into the left end of the mixing section, the right end of the injection pipe is connected with the mixing section, the right end of the mixing section is connected with the transition section, the right end of the transition section is connected with the small-diameter end of the diffuser pipe, and the central axes of the injection pipe, the mixing section, the transition section and the diffuser pipe are collinear.

The ejector pipe of the ejector is connected with an inlet pipe at the low-pressure side of the ejector, the ejector pipe of the ejector is connected with a water supply household inlet pipe of a high-rise building, and the diffuser pipe of the ejector is connected with an inlet pipe of a water heater.

The left end of the injection pipe is a round pipe, and the right end of the injection pipe is a contraction type taper pipe; the left end of the mixing section is a circular pipe, and the right end of the mixing section is a conical pipe; the transition section is a round pipe; the left end of the diffuser pipe is an expanding conical pipe, and the right end of the diffuser pipe is a circular pipe.

Compared with the prior art, the utility model, have obvious beneficial effect, can know from above technical scheme: the utility model discloses be water purification and sewage with the domestic warm waste water treatment that the waste water treatment ware produced the user, the water purification case is used for collecting the water purification that comes from the waste water treatment ware, the high-pressure rivers that come from high-rise building water supply service pipe get into the injection pipe decompression with higher speed, form the water intake in the water purification case of low-pressure area in the mixing section, the changeover portion that flows through gets into the diffuser pipe after the mixing section mixes, get into the water heater after the pressure boost slows down in the diffuser pipe, behind electric or gas heating in the water heater, supply hot water for the user through the water heater outlet pipe. The utility model discloses an ejector utilizes high-rise building feedwater surplus pressure, carries out the two recovery of matter heat to the domestic warm waste water that can't utilize simultaneously and recycles to reach the dual effect of water economy resource and energy. The utility model discloses it is simple suitable for, maneuverability is strong, easily promotes.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic diagram of the ejector structure of the present invention.

The labels in the figure are:

1. a waste water inlet pipe; 2. a valve A; 3. a wastewater processor; 4. a purified water outlet pipe, 5, a sewage outlet pipe; 6. a water purifying tank; 7. a float valve; 8. an inlet pipe at the low-pressure side of the ejector; 9. a one-way valve; 10. an ejector; 101. an injection pipe; 102. an injection pipe; 103. a mixing section; 104. a transition section; 105. a diffuser pipe; 11. a valve B; 12. an inlet pipe of the water heater; 13. water supply and house lead-in pipe for high-rise building; 14. a valve C; 15. an ejector bypass pipe; 16. a valve D;17 a water heater; 18. a water heater outlet pipe; 19. and a valve E.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and preferred embodiments of a high-rise building waste water heat recovery system according to the present invention, with reference to the following detailed description of specific embodiments, structures, features and effects thereof.

Referring to fig. 1, the utility model discloses a high-rise building waste water quality heat recovery system, including waste water processor 3, water purification case 6, ejector 10, water heater 17, wherein: one end of the wastewater processor 3 is connected with the wastewater inlet pipe 1, the other end of the wastewater processor is respectively connected with the purified water outlet pipe 4 and the sewage outlet pipe 5, the wastewater inlet pipe 1 is provided with a valve A2, and the wastewater processor 3 is internally provided with a filter element to process wastewater into purified water and sewage. An inlet of the water purifying tank 6 is connected with the wastewater processor 3 through a purified water outlet pipe 4, a ball float valve 7 is arranged at an outlet, an outlet of the water purifying tank 6 is connected with an ejector 10 through an ejector low-pressure side inlet pipe 8, and a check valve 9 (for controlling the unidirectional flow of fluid) is arranged on the ejector low-pressure side inlet pipe 8; the top and the bottom of the water purifying tank 6 are respectively provided with an overflow port and a water outlet. The ejector 10 comprises an ejector pipe 101, an ejector pipe 102, a mixing section 103, a transition section 104 and a diffuser pipe 105, wherein the ejector pipe 102 extends into the ejector pipe 101 from the left end of the ejector pipe 101, the contraction section of the right end of the ejector pipe 102 extends into the left end of the mixing section 103, the right end of the ejector pipe 101 is connected with the mixing section 103, the right end of the mixing section 103 is connected with the transition section 104, the right end of the transition section 104 is connected with the small-diameter end of the diffuser pipe 105, and the central axes of the ejector pipe 102, the mixing section 103, the transition section 104 and the diffuser pipe 105 are collinear; the left end of the injection pipe 102 is a circular pipe, and the right end is a contraction type taper pipe. The left end of the mixing section 103 is a round pipe, and the right end is a taper pipe. The transition section 104 is a round tube. The left end of the diffuser pipe 105 is an expanding conical pipe, and the right end of the diffuser pipe is a circular pipe.

An ejector pipe 101 of the ejector 10 is connected with an inlet pipe 8 at the low-pressure side of the ejector, an ejector pipe 102 of the ejector 10 is connected with a water supply and household water inlet pipe 13 of a high-rise building, and a diffuser pipe 105 of the ejector 10 is connected with an inlet pipe 12 of a water heater.

The ejector 10 is connected with a water heater 17 through a water heater inlet pipe 12; the ejector 10 is provided with an ejector bypass pipe 15, an inlet of an injection pipe 102 of the ejector 10 is in short connection with an outlet of a diffuser pipe 105, and the ejector bypass pipe 15 is provided with a valve D16 which is opened when the water supply indoor water pressure of a high-rise building is low. The water heater 17 is a common electric water heater or a gas water heater and is used for heating water, an inlet of the water heater 17 is connected with the water heater inlet pipe 12, an outlet of the water heater 17 is connected with the water heater outlet pipe 18, and the water heater outlet pipe 18 is provided with a valve E19.

And a valve B11 is arranged on the inlet pipe 12 of the water heater. And a valve C14 is arranged on the water supply and household inlet pipe 13 of the high-rise building.

The working principle is as follows: household wastewater generated by a user enters the wastewater processor 3 through the wastewater inlet pipe 1 to be processed into purified water and sewage, and the sewage is discharged through the sewage outlet pipe 5 to be used for flushing a closestool or a squatting pan and can also be directly discharged through a passage such as a floor drain and the like; purified water enters a purified water tank 6 through a purified water outlet pipe 4 for standby; the high-pressure water flow from the water supply service pipe 13 of the high-rise building enters the injection pipe 102 to accelerate decompression, a low-pressure area is formed in the mixing section 103, so that the purified water in the purified water tank 6 is sucked through the injection pipe 101, the purified water is mixed in the mixing section 103, then enters the diffuser pipe 105 through the transition section 104, is subjected to deceleration and pressurization in the diffuser pipe 105, then enters the water heater 17, is heated by electricity or gas in the water heater 17, and then is supplied to a user through the water heater outlet pipe 18.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention.

Claims

1. The utility model provides a high-rise building waste water quality heat recovery system, includes waste water treatment ware (3), water purification case (6), ejector (10), water heater (17), its characterized in that: one end of the waste water treatment device (3) is connected with a waste water inlet pipe (1), the other end of the waste water treatment device is respectively connected with a purified water outlet pipe (4) and a sewage outlet pipe (5), the inlet of the purified water tank (6) is connected with the waste water treatment device (3) through the purified water outlet pipe (4), the outlet of the purified water tank (6) is provided with a ball float valve (7), the outlet of the purified water tank (6) is connected with an ejector (10) through an ejector low-pressure side inlet pipe (8), and the ejector low-pressure side inlet pipe (8) is provided with a one-way valve (9); the ejector 10 is connected with a water heater (17) through a water heater inlet pipe (12); the ejector (10) is provided with an ejector bypass pipe (15), an inlet of an injection pipe (102) of the ejector (10) is in short connection with an outlet of a diffuser pipe 105, and the ejector bypass pipe (15) is provided with a valve D (16); the inlet of the water heater (17) is connected with the inlet pipe (12) of the water heater, and the outlet of the water heater is connected with the outlet pipe (18) of the water heater.

2. The high-rise building wastewater quality heat recovery system according to claim 1, characterized in that: ejector (10) including drawing and penetrate pipe (101), injection pipe (102), mixing section (103), changeover portion (104) and diffuser pipe (105), injection pipe (102) stretch into from the left end that draws and penetrate pipe (101), the right-hand member shrink section of injection pipe (102) stretches into the left end that enters mixing section (103), the right-hand member that draws and penetrates pipe (101) is connected with mixing section (103), the right-hand member that mixes section (103) is connected with changeover portion (104).

3. The high-rise building wastewater quality heat recovery system according to claim 1 or 2, characterized in that: an injection pipe (101) of the injector (10) is connected with an inlet pipe (8) at the low pressure side of the injector, an injection pipe (102) of the injector (10) is connected with a water inlet pipe (13) of a water supply household of a high-rise building, and a diffuser pipe (105) of the injector (10) is connected with an inlet pipe (12) of a water heater.

4. The high-rise building wastewater quality heat recovery system according to claim 2, characterized in that: the left end of the injection pipe (102) is a circular pipe, and the right end of the injection pipe is a contraction type taper pipe; the left end of the mixing section (103) is a round pipe, and the right end of the mixing section is a conical pipe; the transition section (104) is a round pipe; the left end of the diffuser pipe (105) is an expansion type conical pipe, and the right end of the diffuser pipe is a circular pipe.

5. The high-rise building wastewater quality heat recovery system according to claim 1, characterized in that: the waste water treatment device is characterized in that a valve A (2) is arranged on the waste water inlet pipe (1), and a filter element is arranged in the waste water treatment device (3).

6. The high-rise building wastewater quality heat recovery system according to claim 1, characterized in that: the top and the bottom of the water purifying tank (6) are respectively provided with an overflow port and a water outlet.

7. The high-rise building wastewater quality heat recovery system according to claim 1, characterized in that: a valve E (19) is arranged on the water heater outlet pipe (18), and a valve B (11) is arranged on the water heater inlet pipe (12).

8. The high-rise building wastewater quality heat recovery system according to claim 1, characterized in that: and a valve C (14) is arranged on the water supply and household inlet pipe (13) of the high-rise building.

9. The high-rise building wastewater quality heat recovery system according to claim 1, characterized in that: the water heater (17) is a common electric water heater or a gas water heater.