One-way Closed Pipeline Internal Circulation Apparatus

Abstract

The present invention provides a one-way closed pipeline internal circulation apparatus, including a first water pump and a manifold conversion three-way joint, where an external interface of a secondary pipe of the manifold conversion three-way joint is connected to a water outlet port of the first water pump. When the apparatus is used with a conventional gas water heater, hot water will instantly flow out when a water tap is turned on, and through mixing and transition of a hot water mixing container, other gas water heaters installed have a characteristic of steady and uninterrupted flow of hot water, which not only improves comfort of a user, but also achieves the purpose of saving water resources.

1 . A one-way closed pipeline internal circulation apparatus, comprising:
 a first water pump ( 200 ) and a manifold conversion three-way joint ( 300 ), wherein an external interface ( 301 ) of a secondary pipe of the manifold conversion three-way joint ( 300 ) is connected to a water outlet port ( 201 ) of the first water pump ( 200 ).   
     
     
         2 . The one-way closed pipeline internal circulation apparatus according to  claim 1 , further comprising:
 a container ( 100 ), wherein the bottom of the container ( 100 ) is also provided with a water outlet pipe ( 202 ) and a distal water outlet pipeline ( 101 ), the lower end of the water outlet pipe ( 202 ) is connected to the water inlet port of the first water pump ( 200 ), the manifold conversion three-way joint ( 300 ) is provided on the distal water outlet pipeline ( 101 ), a secondary pipe ( 305 ) is provided in the pipeline segment of the distal water outlet pipe ( 101 ) leading to a distal water use site, one end of the secondary pipe ( 305 ) is connected to an internal interface ( 302 ) of the secondary pipe of the manifold conversion three-way joint ( 300 ), and the other end of the secondary pipe ( 305 ) is extended to a water outlet port of the distal water outlet pipe ( 101 ).   
     
     
         3 . The one-way closed pipeline internal circulation apparatus according to  claim 2 , wherein the manifold conversion three-way joint ( 300 ) comprises a master channel, and a standpipe vertically set in the middle of the master channel and connected with the master channel, wherein a secondary pipe is provided in the master channel, one end of the secondary pipe is located at an orifice of the master channel, and the other end of the secondary pipe is connected with the standpipe, one end of the master channel has a first external interface ( 303 ), the other end of the master channel has a second external interface ( 304 ), the standpipe has an external interface ( 301 ) of the secondary pipe, and the second secondary pipe has an internal interface ( 302 ) of the secondary pipe. 
     
     
         4 . The one-way closed pipeline internal circulation apparatus according to  claim 3 , wherein the container is a water pipe, a water tank, a burner pipeline or a filtration device, and an electric heating device is provided inside the container. 
     
     
         5 . The one-way closed pipeline internal circulation apparatus according to  claim 3 , wherein the first external interface of the manifold conversion three-way joint ( 300 ) is connected to one end of a first section of the distal water outlet pipe, and the other end of the first section of the distal water outlet pipe is connected to the container; the second external interface of the manifold conversion three-way joint ( 300 ) is connected to one end of a second section of the distal water outlet pipe, and the other end of the second section of the distal water outlet pipe is the water outlet port of the distal water outlet pipe ( 101 ). 
     
     
         6 . The one-way closed pipeline internal circulation apparatus according to  claim 5 , wherein the container is provided with internal partition boards, and a hot water mixing cavity is formed between the internal partition boards. 
     
     
         7 . The one-way closed pipeline internal circulation apparatus according to  claim 3 , wherein a first water temperature sensor ( 401 ) is provided on the wall of the container, and a second water temperature sensor ( 402 ) is provided in the mater channel of the manifold conversion three-way joint. 
     
     
         8 . The one-way closed pipeline internal circulation apparatus according to  claim 7 , further comprising a housing, wherein the housing is disposed outside of the container and encloses the container, a thermal insulating layer is provided between the housing and the container, the first water pump and the manifold conversion three-way joint are located between the container and the housing, one end of the water outlet pipe is located inside the container, and the other end of the water outlet pipe is located outside the housing, one end of the second section of the distal water outlet pipe is located between the housing and the container, and the other end of the second section of the distal water outlet pipe is located outside the housing. 
     
     
         9 . The one-way closed pipeline internal circulation apparatus according to  claim 8 , wherein the bottom of the container ( 100 ) is provided with a water outlet pipe ( 102 ), the water outlet pipe ( 102 ) is connected to a water inlet pipe ( 501 ) of a water heater ( 500 ), the bottom of the container ( 100 ) is also provided with a water inlet pipe ( 103 ), the water inlet pipe ( 103 ) is connected to a water outlet pipe ( 502 ) of the water heater ( 500 ), and a second water pump ( 203 ) is also provided on the water outlet pipe ( 102 ). 
     
     
         10 . The one-way closed pipeline internal circulation apparatus according to  claim 6 , wherein a first water temperature sensor ( 401 ) is provided on the wall of the container, and a second water temperature sensor ( 402 ) is provided in the mater channel of the manifold conversion three-way joint. 
     
     
         11 . The one-way closed pipeline internal circulation apparatus according to  claim 10 , further comprising a housing, wherein the housing is disposed outside of the container and encloses the container, a thermal insulating layer is provided between the housing and the container, the first water pump and the manifold conversion three-way joint are located between the container and the housing, one end of the water outlet pipe is located inside the container, and the other end of the water outlet pipe is located outside the housing, one end of the second section of the distal water outlet pipe is located between the housing and the container, and the other end of the second section of the distal water outlet pipe is located outside the housing. 
     
     
         12 . The one-way closed pipeline internal circulation apparatus according to  claim 11 , wherein the bottom of the container ( 100 ) is provided with a water outlet pipe ( 102 ), the water outlet pipe ( 102 ) is connected to a water inlet pipe ( 501 ) of a water heater ( 500 ), the bottom of the container ( 100 ) is also provided with a water inlet pipe ( 103 ), the water inlet pipe ( 103 ) is connected to a water outlet pipe ( 502 ) of the water heater ( 500 ), and a second water pump ( 203 ) is also provided on the water outlet pipe ( 102 ).