Search

CN-224227893-U - Water supply system for residential building

CN224227893UCN 224227893 UCN224227893 UCN 224227893UCN-224227893-U

Abstract

The utility model relates to the technical field of secondary pressurized water supply of residential buildings, in particular to a water supply system for residential buildings, which comprises an ultrafiltration device, a compressed air supply device, a cleaning pump, a backwash pump and a clean water tank, wherein the ultrafiltration device is provided with a water inlet and a water outlet, the water inlet is communicated with the municipal water supply system, the water outlet is communicated with the clean water tank, the clean water tank is communicated with a user, the air outlet end of the compressed air supply device is connected with a first valve body, the first valve body is communicated with the water inlet, the liquid inlet end of the cleaning pump is communicated with the clean water tank, the liquid outlet end of the cleaning pump is connected with a second valve body, the second valve body is communicated with the water inlet, the liquid inlet end of the backwash pump is communicated with the clean water tank, and the liquid outlet end of the backwash pump is connected with a third valve body, so that the ultrafiltration device of the water supply system for residential buildings can be cleaned in high quality, the service life of the ultrafiltration device is prolonged, and the use cost of the water supply system for residential buildings is lower.

Inventors

  • LAI HAILING
  • Liang Chenqi
  • MA LEI
  • Wan Ruoning
  • Du Shusen

Assignees

  • 广州市设计院集团有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (10)

  1. 1. The water supply system for the residential building is characterized by comprising an ultrafiltration device (1), a compressed air supply device (2), a cleaning pump (3), a backwashing pump (4) and a clean water tank (51); The ultrafiltration device (1) is provided with a water inlet (11) and a water outlet (12), the water inlet (11) is communicated with a municipal water supply system, the water outlet (12) is communicated with the clean water tank (51), and the clean water tank (51) is communicated with a user; The air outlet end of the compressed air supply device (2) is connected with a first valve body (61), and the first valve body (61) is communicated with the water inlet (11); The liquid inlet end of the cleaning pump (3) is communicated with the clean water tank (51), the liquid outlet end of the cleaning pump (3) is connected with a second valve body (62), and the second valve body (62) is communicated with the water inlet (11); the liquid inlet end of the back flushing pump (4) is communicated with the water purifying tank (51), the liquid outlet end of the back flushing pump (4) is connected with a third valve body (63), and the third valve body (63) is communicated with the water outlet (12).
  2. 2. The water supply system for residential buildings according to claim 1, further comprising a back flush dosing device (71) and a back flush dosing valve (72), wherein a dosing end of the back flush dosing device (71) is in communication with the back flush dosing valve (72), and wherein the back flush dosing valve (72) is in communication with the water outlet (12).
  3. 3. The water supply system for residential buildings according to claim 2, wherein the back flushing dosing device (71) comprises a dosing pump, an acid liquid storage tank and an alkali liquid storage tank, a liquid inlet end of the dosing pump is connected with a fourth valve body and a fifth valve body, the fourth valve body is communicated with the acid liquid storage tank, and the fifth valve body is communicated with the alkali liquid storage tank.
  4. 4. The water supply system for residential buildings according to claim 2, further comprising a sewage housing tank (73), a first pipe body (74) and a sixth valve body (75), wherein one end of the first pipe body (74) is communicated with the water inlet (11), the other end is communicated with the sewage housing tank (73), and the sixth valve body (75) is provided in the first pipe body (74).
  5. 5. The water supply system for residential buildings according to claim 1, further comprising a chlorine dioxide dosing device (76) and a chlorine dioxide dosing valve (77), wherein the dosing end of the chlorine dioxide dosing device (76) is communicated with the chlorine dioxide dosing valve (77), and the chlorine dioxide dosing valve (77) is communicated with the water outlet (12).
  6. 6. The water supply system for residential building according to claim 1, further comprising a cartridge filter (81), wherein a water inlet end of the cartridge filter (81) communicates with the municipal water supply system, and a water outlet end of the cartridge filter (81) communicates with the water inlet (11).
  7. 7. The water supply system for residential building according to claim 6, characterized in that the water supply system for residential building further comprises a raw water tank (52) and a booster pump (82), the raw water tank (52) is communicated with the municipal water supply system, a liquid inlet end of the booster pump (82) is communicated with the raw water tank (52), and a water outlet end of the booster pump (82) is communicated with a water inlet end of the cartridge filter (81).
  8. 8. The water supply system for residential building according to claim 7, further comprising a second pipe body (83) and a seventh valve body (84), one end of the second pipe body (83) being communicated with the water outlet end of the booster pump (82) and the other end being communicated with the clean water tank (51), the seventh valve body (84) being provided in the second pipe body (83).
  9. 9. The water supply system for residential buildings according to claim 1, further comprising an ultrafiltration cleaning water tank (85), a third pipe body (86) and an eighth valve body (87), wherein one end of the third pipe body (86) is communicated with a liquid outlet end of the backwash pump (4), the other end is communicated with the ultrafiltration cleaning water tank (85), and the eighth valve body (87) is arranged on the third pipe body (86); The liquid inlet end of the cleaning pump (3) is communicated with the ultrafiltration cleaning water tank (85).
  10. 10. The water supply system for residential buildings according to claim 9, characterized in that it further comprises a heater (88), said heater (88) being provided in said ultrafiltration wash water tank (85).

Description

Water supply system for residential building Technical Field The invention relates to the technical field of secondary pressurized water supply of residential buildings, in particular to a water supply system for residential buildings. Background The municipal water supply network can only guarantee the normal water pressure of buildings below six layers, the high-rise residence needs to be provided with a water pump room, water is conveyed to higher floors through secondary pressurization, and the stable water pressure of each household is ensured. Although municipal water is treated, tap water passes through a longer pipe network from factory water to a user terminal, some compounds are decomposed, chemical action can be generated on water and materials on the inner wall of the pipe, residual bacteria in the water can be propagated, and the water quality of the pipe network can be changed. In addition, the concentration of chlorinated disinfection byproducts can be further increased due to the further action of organic matters and disinfectants in the water supply network, so that the concentration of halogenated organic matters in tap water is increased, and the quality of drinking water is influenced. Disclosure of Invention Based on this, the object of the present invention is to provide a water supply system for residential buildings which can perform secondary purification of tap water and is low in use cost. In order to achieve the above purpose, the invention provides a water supply system for residential building, comprising an ultrafiltration device, a compressed air supply device, a cleaning pump, a back flushing pump and a clean water tank; The ultrafiltration device is provided with a water inlet and a water outlet, the water inlet is communicated with a municipal water supply system, the water outlet is communicated with the clean water tank, and the clean water tank is communicated with a user; The air outlet end of the compressed air supply device is connected with a first valve body, and the first valve body is communicated with the water inlet; The liquid inlet end of the cleaning pump is communicated with the water purifying tank, the liquid outlet end of the cleaning pump is connected with a second valve body, and the second valve body is communicated with the water inlet; The liquid inlet end of the back flushing pump is communicated with the water purifying tank, the liquid outlet end of the back flushing pump is connected with a third valve body, and the third valve body is communicated with the water outlet. As a preferable scheme, the water supply system for the residential building further comprises a back flush dosing device and a back flush dosing valve, wherein the drug outlet end of the back flush dosing device is communicated with the back flush dosing valve, and the back flush dosing valve is communicated with the water outlet. As a preferable scheme, the back flush dosing device comprises a dosing pump, an acid liquor storage tank and an alkali liquor storage tank, wherein the liquid inlet end of the dosing pump is connected with a fourth valve body and a fifth valve body, the fourth valve body is communicated with the acid liquor storage tank, and the fifth valve body is communicated with the alkali liquor storage tank. As the preferred scheme, resident is water supply system for building still includes sewage containing box, first body and sixth valve body, the one end of first body intercommunication the water inlet, the other end intercommunication sewage containing box, the sixth valve body set up in first body. As a preferable scheme, the water supply system for the residential building further comprises a chlorine dioxide dosing device and a chlorine dioxide dosing valve, wherein the drug outlet end of the chlorine dioxide dosing device is communicated with the chlorine dioxide dosing valve, and the chlorine dioxide dosing valve is communicated with the water outlet. As an optimal scheme, the water supply system for the residential building further comprises a security filter, wherein the water inlet end of the security filter is communicated with the municipal water supply system, and the water outlet end of the security filter is communicated with the water inlet. As the preferred scheme, resident is water supply system for building still includes former water tank and booster pump, former water tank intercommunication municipal water supply system, the feed liquor end of booster pump intercommunication former water tank, the play water end of booster pump intercommunication the inlet end of cartridge filter. As the preferred scheme, resident is water supply system for building still includes second body and seventh valve body, the one end of second body intercommunication the play water end of booster pump, the other end intercommunication the water purification case, the seventh valve body set up in the second body. As a preferable scheme, the water supply system