CN211345902U - Energy-saving emptying device for pipeline - Google Patents

Abstract

The utility model discloses an energy-conserving evacuator of pipeline for with the hot-water line and the shower union coupling of water heater, it includes: the water-gas circulation device comprises a water-gas circulation pipeline, a pressurization pipeline and a pressurization assembly, wherein the water-gas circulation pipeline is respectively provided with a hot water interface, an inflation interface and a mixed water interface, the hot water interface is communicated with a hot water pipe, and the mixed water interface is communicated with a shower pipe; one port of the pressurization pipeline is tangentially communicated with the water-gas circulation pipeline, the pressurization assembly is connected to the pressurization pipeline in a penetrating way, and the extending end of the pressurization pipeline forms a pressurization interface; the air supply device forms a plurality of air suction or inflation circulation paths. The utility model discloses a pipeline evacuation recovery unit, through the use of multiple gas circulation route, can accomplish deposit water in the hot-water line and carry out quick evacuation and retrieve, also can cause hot water fast in the shower pipe, can effectively avoid the pipeline because of depositing the emergence of the condition of freezing on the water, convenient operation, water conservation energy-concerving and environment-protective.

Description

Energy-saving emptying device for pipeline

Technical Field

The utility model relates to a solar facilities technical field, particularly, in particular to energy-conserving evacuator of pipeline.

Background

With the development of science and technology, the application of solar energy becomes an indispensable energy source in the society at the present stage, the development of the aspects of solar heating, solar water heaters and the like in China is rapid, the energy-saving effect is obvious, the effective utilization of solar energy can reduce the energy consumption, the environmental pollution caused by the energy consumption is reduced, and the solar energy-saving solar energy heating and heating system is an important way for social energy conservation. The application market of the solar water heater in China is basically in a saturation stage, but the application of the solar water heater in winter in north of China is not perfect, for example, because water stored in a pipeline is easy to freeze in winter, hot water in the pipeline in spring and autumn can be used only after cold water in the pipeline is discharged in advance, the waste of water resources can be caused by the discharged cold water, and the problem that hot water in the pipeline can not be used immediately exists all the time, so the utilization rate of the solar water heater in winter in north is obviously reduced, the waste of water resources in spring and autumn in south is serious, but some solutions for the problem of water stored in a hot water pipe between a mixing valve and the water heater in the existing market are as follows:

1. the lowest part of the hot water pipe is provided with a drain valve, so that water stored in the hot water pipe is directly drained into a sewer, and the waste of water resources is caused;

2. the heating belt is additionally arranged on the hot water pipe, but the solution has high danger coefficient and large energy consumption;

3. the introduction of air into the hot water pipe by means of a solenoid valve, emptying the hot water pipe of the remaining water reserve, such solutions do not allow emptying the hot water pipe of the water reserve in the U-bend when one or more U-bends are present in the hot water pipe.

The solution has the problems of temporary solution, permanent solution, high production cost, short service life and the like, and cannot be accepted in the market.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need to provide a through the use of multiple gas circulation route, can accomplish the water of depositing in the hot-water line and carry out quick evacuation and retrieve, also can cause hot water to shower pipe fast, can effectively avoid the pipeline because of depositing the emergence of the condition of freezing on the water, convenient operation, water conservation energy-concerving and environment-protective hot-water line evacuation recovery unit.

The utility model provides an energy-conserving evacuator of pipeline for with the hot-water line and the shower union coupling of water heater, it includes: the water and gas circulation device comprises a shell, a water and gas circulation device and a gas supply device, wherein the water and gas circulation device and the gas supply device are accommodated in the shell, the water and gas circulation device comprises a water and gas circulation pipeline, a pressurizing pipeline and a pressurizing assembly sleeved on the pressurizing pipeline, the head end and the tail end of the water and gas circulation pipeline are respectively provided with a hot water interface and an inflation interface, the middle section of the water and gas circulation pipeline is provided with a mixed water interface, the hot water interface is communicated with a hot water pipe, the joint of the hot water pipe and a water heater is provided with a horn-shaped; one port of the pressurization pipeline is communicated with the water-gas circulation pipeline and is arranged close to the hot water interface, the axis of the port and the axis of the hot water interface are arranged in a crossed manner at a preset angle, the pressurization assembly is connected to the pressurization pipeline in a penetrating manner, and the extending end of the pressurization pipeline forms a pressurization interface; the air supply device is internally provided with a plurality of air suction or inflation circulation passages and comprises an air supply assembly and at least one control valve, one end of the control valve is communicated with the air supply assembly, and the other end of the control valve is connected with the inflation connector and the pressurization connector.

Furthermore, a first communicating port and a second communicating port are formed in the positions where the water-air circulating pipeline is communicated with the mixed water interface and the pressurizing pipeline respectively, baffle plates are arranged in the first communicating port and the second communicating port respectively, the water-air circulating pipeline between the inflation interface and the first communicating port forms an accommodating section, one end of the accommodating section, far away from the first communicating port, is arranged in an inclined upward manner at a second preset angle, and the highest point of the accommodating section is higher than the position of the second connecting port.

Furthermore, an emptying part is arranged in the water-air circulation pipeline so as to extrude residual hot water in the water-air circulation pipeline and the hot water pipe and adhered hot water on the pipe wall into the water heater in the inflating process of the air supply assembly.

Further, pressure boost subassembly includes a pressure boost section of thick bamboo and establishes the cover and the cover at pressure boost section of thick bamboo both ends, the inside section of thick bamboo footpath of a pressure boost section of thick bamboo is greater than the pipe diameter of supercharged pipeline, wherein the cover with the cover orientation one side of a pressure boost section of thick bamboo is the V type structure in order to form the inside both ends of pressure boost subassembly are the pressure boost passageway of closed angle structure.

Furthermore, a branch connecting pipe is arranged on the inflation connector, and one port of the branch connecting pipe is communicated with the control valve.

Further, the intersecting angle range of the axis of the pressurizing pipeline and the axis of the hot water interface is 110-130 degrees.

Furthermore, a drainage pipeline communicated with the pressurization channel is arranged on the barrel cap.

Furthermore, the water-air circulation device is also provided with a bypass pipeline which is used for communicating the mixed water interface with the water-air circulation pipeline.

Further, the air feed subassembly includes air feed spare, amortization subassembly and syllable-dividing subassembly, the amortization subassembly with the air feed spare is connected, the subassembly parcel that gives sound insulation the air feed spare sets up, wherein the air feed spare is air pump or air pump and self priming pump combination or air pump and air water mixing pump combination three kinds of structures arbitrary one of them.

Further, still be equipped with control system, control system including establish host system, display module and at least one on the casing with the control button that display module connects, host system control gas supply unit's motion state, display module with the host system electricity is connected.

The utility model discloses a water heater pipeline evacuation recovery unit, use through the combination of air feed subassembly, a control valve, boost pipeline and aqueous vapor circulating line in its structure, form multiple inspiration or gas filled gas circulation route, the inspiratory circulation route of air feed subassembly during operation, draw forth evacuation piece and hot water from the hot-water line fast through gaseous suction and rainbow suction, evacuation piece static this moment is in the holding section, hot water gets into the shower pipe from mixing the water interface, the gas feed subassembly is aerifyd circulation route during operation, guide's logical boost pipeline extrudees the hot water in the hot-water line to the water heater earlier, switch on the inflation interface again, extrude evacuation piece from the holding section to the interceptor in through atmospheric pressure, and push away remaining hot water in the hot-water line and the adhesion water on the pipe wall to the water heater in, prevent that the hot-water line from freezing during low temperature, the operation process of device is simple, the waste of water resource has been reduced, energy conservation and environmental protection.

Drawings

Fig. 1 is a perspective view of an energy-saving pipe emptier according to the present invention.

Fig. 2 is a front view of an energy-saving pipe emptier according to the present invention.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a schematic perspective view of the water-gas circulation pipeline according to the present invention.

Fig. 5 is a front view of fig. 4.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is a schematic structural view of a gas supply device according to the present invention.

Fig. 8 is a perspective view showing the use state of the intercepting member and the emptying member according to the present invention.

Fig. 9 is a cross-sectional view of fig. 8.

Fig. 10 is a schematic structural diagram of the inflation and suction states of the energy-saving pipe emptier according to the present invention.

Fig. 11 is an electrical schematic diagram of a control system of an energy-saving pipe emptier according to the present invention.

Reference numerals: 1-a shell; 2-a water-gas circulation device; 3-a gas supply device; 4-a water-gas circulation pipeline; 5-a pressurized pipeline; 6-a pressurizing assembly; 7-an interception member; 8-baffle plate; 9-a control system; 31-a gas supply assembly; 32-a control valve; 33-a sound attenuating assembly; 34-a sound insulating assembly; 41-hot water interface; 42-an inflation interface; 43-mixed water interface; 44-evacuation; 45-a buffer section; 46-a housing section; 47-a separator; 48-branch connecting pipe; 49-a bypass conduit; 61-a pressurizing cylinder; 62-cartridge cap; 63-cartridge cover; 64-a drain line; 91-a master control module; 92-a display module; 93-control buttons; 311-a gas supply member; 321-a first electromagnetic valve; 322-electromagnetic valve two; 323-electromagnetic valve III; 324-solenoid valve four; 325-electromagnetic valve; 331-a muffler pipe; 332-a muffler; 341-inner box; 342-an outer box; 343-columnar protrusions; 344-soundproof cotton.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 10, an energy-saving pipe emptier for connection with a hot water pipe and a shower pipe of a water heater includes: the water-gas circulating device comprises a shell 1, a water-gas circulating device 2 and a gas supply device 3, wherein the water-gas circulating device 2 and the gas supply device 3 are accommodated in the shell 1, the water-gas circulating device 2 comprises a water-gas circulating pipeline 4, a pressurizing pipeline 5 and a pressurizing assembly 6 sleeved on the pressurizing pipeline 5, the head end and the tail end of the water-gas circulating pipeline 4 are respectively provided with a hot water connector 41 and an inflation connector 42, the middle section of the water-gas circulating pipeline is provided with a mixed water connector 43, the hot water connector 41 is communicated with a hot water pipe, a horn-shaped intercepting piece 7 is arranged at the joint; one port of the pressurizing pipeline 5 is communicated with the water-gas circulating pipeline 4 and is arranged close to the hot water interface 41, the axis of the port and the axis of the hot water interface 41 are arranged in a crossed manner at a preset angle, the pressurizing assembly 6 is connected to the pressurizing pipeline 5 in a penetrating manner, and the extending end of the pressurizing pipeline 5 forms a pressurizing interface; the air supply device 3 forms a circulation path for various kinds of air suction or inflation, and comprises an air supply assembly 31 and at least one control valve 32, wherein one end of the control valve 32 is communicated with the air supply assembly 31, and the other end of the control valve is connected with an inflation interface 42 and a pressurization interface; wherein, an emptying piece 44 is arranged in the water gas circulating pipeline 4 so as to extrude the residual hot water in the water gas circulating pipeline 4 and the hot water pipe and the adhered hot water on the pipe wall into the water heater during the inflation process of the air supply assembly 31.

The utility model discloses a water heater pipeline evacuation recovery unit, use through the combination of air feed subassembly 31, control valve 32, boost pipe 5 and aqueous vapor circulating line 4 in its structure, form the multiple gas circulation route of breathing in or aerifing, the cycle route during operation of air feed subassembly 31 breathing in, draw forth evacuation piece 44 and hot water from the hot-water line fast through gaseous suction and siphon suction, evacuation piece 44 is static in holding section 46 this moment, hot water gets into the shower pipe from mixing water interface 43, during the cycle route during operation of air feed subassembly 31 aerifing, guide's lead to boost pipe 5 extrudees the hot water in the hot-water line to the water heater earlier, switch on inflation interface 42 again, extrude evacuation piece 44 from holding section 46 to interception piece 7 through atmospheric pressure, push away remaining hot water in the hot-water line and the glutinous water that adheres on the pipe wall to the water heater, prevent that the hot-water line from freezing when low temperature, the device has simple operation process, reduces the waste of water resources, and is energy-saving and environment-friendly.

The utility model discloses an energy-conserving evacuator of pipeline both can place the below use at the water heater, and connected mode is as above, also can place the top use at the water heater, use in the family's bathing room promptly, connecting line is as follows this moment: mix water interface 43 and seal with the shutoff, hot water interface 41 is connected with the hot-water line of water heater below, wherein sets up the solenoid valve in the connecting line and control, discharge and use between remaining deposit water in with the hot-water line through this evacuator before the end of washing one's face and rinsing one's mouth for there is not water of depositing in the hot-water line, when using next time, directly discharge hot water in the hot-water line, reduce the waste of water resource, energy-concerving and environment-protective the utility model discloses an in one embodiment, mix water interface 43 can communicate through three-way valve and the hot water pipeline of multiple needs to provide hot water for above-mentioned multiple pipeline and use.

As shown in fig. 8 and 9, the large caliber of the trumpet-shaped interception member 7 is connected with the water inlet of the water heater, a filter screen for intercepting the emptying member 44 is arranged in the large caliber end, the small caliber of the interception member 7 is connected with the hot water pipe, the diameter of the small caliber of the interception member 7 is consistent with the diameter of the emptying member 44, and in a specific structure, the length of the interception member 7 is larger than that of the emptying member 44, so that the emptying member 44 can prevent cold water from being blocked when cold water is supplemented to the water heater.

As shown in fig. 10, the control valve 32 may be a manual valve or a normally closed solenoid valve, in a specific embodiment of the present invention, the air supply part 311 is an air pump, a two-position two-way solenoid valve is used, and the number of the two-position two-way solenoid valves is selected as a plurality, and the number of the two-position two-way solenoid valves is numbered as solenoid valve one 321, solenoid valve two 322, solenoid valve three 323, solenoid valve four 324 and solenoid valve five 325, respectively, wherein the air inlet ends of the solenoid valve one 321 and the solenoid valve two 322 are connected to the air inlet of the air pump through a tee joint, the air outlet of the solenoid valve 321 one is divided into two air path pipes through a tee joint and is respectively communicated with the pressure increasing pipeline 5 and the inflation interface 42, the air path between the tee joint and the inflation interface 42 is connected with the solenoid valve five 325, the air inlet ends of the solenoid valve three 323 and the solenoid valve four 324 are connected to, when the air pump sucks air, the electromagnetic valve IV 324 and the electromagnetic valve IV 322 are in a conducting state, hot water is led out from the water heater under the action of suction force and siphon force sucked by the air pump, the emptying part 44 moves along with the hot water, then the emptying part 44 is stopped in the accommodating section 46, the hot water flows into the shower pipe from the mixed water interface 43 for bathing, the hot water flows along the direction indicated by a dotted arrow in the figure, and the air in the hot water pipe sequentially passes through the hot water pipe, the water circulation channel 21, the air inflation interface 42, the electromagnetic valve IV 324 and the air pump and is finally discharged to the outside through the electromagnetic valve IV 322; when the air pump is in an inflation process, the first pilot switch is connected with the first electromagnetic valve 321 and the third electromagnetic valve 323, the air in the air pump is pressurized by the pressurizing assembly 6, then most hot water in the water circulation channel 4 and the hot water pipe is pressed into the hot water pipe through the pressurizing pipeline 5, after extrusion for a set time, the fifth electromagnetic valve 325 connected with the inflation interface 42 is conducted, the air pushes the emptying part 44 into the interception part 7, and the U-shaped bend in the pipeline and the hot water adhered to the pipe wall are extruded into the water heater through the emptying part 44, and the circulation path of the air in the inflation process is as follows: the external gas passes through three 323 of solenoid valves and gets into the air pump, pass through pressure boost pipeline 5 and hot-water line earlier from the air pump again, wait hot water extrusion behind the certain time, this time can be by presetting in the control system of this device, rethread interface 42 and hydrologic cycle pipeline 21 of inflating, get into in the hot-water line at last, with the waste of effectively reducing the water resource, thereby the hot-water line takes place to freeze the condition when preventing low temperature, in order to improve the life cycle of hot-water line and evacuation recovery unit, energy-concerving and environment-protective, it is need to understand that, the design of above-mentioned structure is not only, the solenoid valve also can choose for use two-position tee bend form, as long as can constitute above-mentioned air pump breathe in and the structure of.

As shown in fig. 6, a first communicating port and a second communicating port are respectively formed at the positions where the water-air circulation pipe 4 communicates with the mixed water port 43 and the pressurizing pipe 5, and a baffle plate 8 is respectively arranged in each of the first communicating port and the second communicating port to prevent the emptying member 44 from entering the pressurizing pipe 5 or the mixed water port 43 during the moving process.

As shown in fig. 4 to 6, the water-air circulation pipe 4 between the first communication port and the mixed water port 43 is arched upward at a first predetermined angle α, and forms a buffer section 45, the first predetermined angle α ranges from 5 to 15 degrees, and preferably 8 degrees, when the pressurization pipe 5 is in the communication state and the air charging port 42 is not in the communication state, the buffer section 45 can prevent the emptying member 44 from entering the hot water pipe; the water-gas circulation pipe 4 between the gas charging connection 42 and the first communication opening forms a receiving section 46, the end of the receiving section 46 remote from the first communication opening is arranged obliquely upwards at a second predetermined angle beta, wherein the second predetermined angle beta is 25-35 degrees, the highest point of the accommodating section 46 is higher than the second communication port, a partition 47 is provided in the housing section 46, adjacent to the inflation port 42, and during the suction of the air supply assembly 31, the hot water and the emptying part 44 enter the water-air circulation pipeline 4 under the action of suction force and siphon force, the emptying part 44 enters the accommodating section 46 and is supported by the partition plate 47, at the moment, partial air exists in the air charging interface 42, and an air seal with a certain pressure is formed, so that water is prevented from flowing backwards into the air inflation connector 42 when hot water or cold water is filled, and the use safety of the water-air circulation pipeline 4 is improved.

As shown in fig. 6, the length of the evacuation member 44 is smaller than that of the receiving section 46, so as to prevent the evacuation member 44 from blocking the flow of hot water during bathing, wherein the two ends of the evacuation member 44 are dome-shaped, so as to facilitate the movement of the evacuation member 44 in the water gas circulation pipe 4 and the hot water pipe during the air suction and inflation of the air supply assembly 31.

As shown in fig. 3, the pressurizing assembly 6 includes a pressurizing cylinder 61, and a cylinder cap 62 and a cylinder cover 63 provided at both ends of the pressurizing cylinder 61, the inner cylinder diameter of the pressurizing cylinder 61 is larger than the pipe diameter of the pressurizing pipe 5, wherein, the sides of the cylinder cap 62 and the cylinder cover 63 facing the pressurizing cylinder 61 are both in a V-shaped structure to form a pressurizing channel with two sharp-angled ends inside the pressurizing assembly 6, so as to pressurize the gas entering the pressurizing cylinder 61, the pressurized gas enters the hot water pipe through the pressurizing pipeline 5, thereby pressing most of the hot water in the hot water pipe and the U-bend in the pipe into the boiler by air pressure, the remaining small part of hot water in the U-shaped bend and the adhered hot water on the pipe wall are drained and recovered in the next step through the drain piece 44, wherein the cartridge cap 62 is provided with a drain line 64 communicating with the pressurizing passage, the drain line 64 being activated by the control valve 32 and serving to trap a small amount of water in the pressurizing passage.

As shown in fig. 1 to 6, a branch connection pipe 48 is provided on the air charging connector 42, one port of the branch connection pipe 48 is communicated with the control valve 32, the diameter of the internal channel of the air charging connector 42 is a tapered structure from a boundary close to the water-air circulation pipe 4 to a boundary far away from the boundary, so as to further prevent the emptying member 44 from entering the air charging connector 42, and the branch connection pipe 48 is used for supplementing the air pressure in the air charging connector 42 and assisting the upward movement of the emptying member 44 when the required air pressure of the device is too large, that is, when the relative height difference between the water heater and the emptying recovery device is large.

As shown in fig. 5, the axis of the pressurizing pipe 5 intersects with the axis of the hot water port 41 to form an angle γ, where γ ranges from 110 degrees to 130 degrees, and preferably is 120 degrees, so that the gas pressurized by the pressurizing assembly 6 rapidly and stably enters the water-gas circulation pipe 4 and the hot water pipe in sequence, and most of the hot water in the pipes is pushed into the water heater.

As shown in fig. 3 to fig. 6, the water-air circulation device 2 is further provided with a bypass pipe 49, the bypass pipe 49 is used for communicating the mixed water port 43 with the water-air circulation pipe 4, in one embodiment of the present invention, the bypass pipe 49 is symmetrically disposed at two sides of the mixed water port 43 and connected to the water-air circulation pipe 4 below the mixed water port 43, in another embodiment, the bypass pipe 49 is transversely disposed and has two ends respectively communicated with the mixed water port 43 and the accommodating section 46 near the air charging port 42, in the above two embodiments, the bypass pipe 49 is used for reducing the resistance of the baffle 8 to water flow, during the process of leading out hot water, air in the accommodating section 46 and the air charging port 42 can be discharged through the mixed water port 43, so that the emptying member 44 smoothly returns to the accommodating section 46, and the resistance of the emptying member 44 to hot water is reduced.

As shown in fig. 7, the air supply assembly 31 includes an air supply part 311 and a silencing assembly 33 connected to the air supply part 311, the air supply part 311 is provided with a sound insulation assembly 34, the sound insulation assembly 34 includes an inner box 341 where the air supply part 311 is placed and is composed of a silencing plate, an outer box 342 sleeved on the inner box 341, the outer box 342 is provided with a column-shaped protrusion 343 abutted to each side wall of the inner box, soundproof cotton 344 is filled between the outer box 342 and the inner box 341, the silencing assembly 33 includes a silencing pipe 331 connected to an exhaust end of the air supply part 311 and a silencing piece 332 connected to the silencing pipe 331, the silencing piece 332 is composed of a silencing box and foam filled in the silencing box, the silencing pipe 331 communicated to both sides of the silencing box is arranged in a staggered manner, wherein the air supply part 311 is any one of an air pump or a combination of an air pump and a self-priming pump or a combination of an air pump and an air-water mixing pump, the sound of the air supply part 311 in the working process is reduced by the silencing assembly, the comfort of the bather in the using process is improved.

As shown in fig. 1 to 3 and 11, a control system 9 is further provided, the control system 9 includes a main control module 91, a display module 92 and at least one control button 93 connected to the display module 92, the main control module 91 controls the motion state of the air supply device 3, the display module 92 is electrically connected to the main control module 91 and instantly displays the motion states of the control valve 32 and the air supply member 311 in the air supply device 3, it should be understood that the control button 93 can set the time parameters of the start time and the close time of the air supply member 311 and the open and close of the control valve 32, the display module 92 can set normal parameter range values for related parameters of system current, voltage, air supply member motion state and hot water temperature, and when the above parameters deviate from the preset range, the display module 92 displays fault information and can give an alarm, further, in a specific embodiment, the control system 9 further comprises a sensor connected to the main control module 91, a control switch is disposed at a position where the shower pipe is connected to the mixed water port 43, and the sensor is disposed on the control switch for sensing whether the control switch is turned on, wherein after the control switch is turned on, the sensor transmits an on signal to the main control module 91, the main control module 91 automatically starts the circulation path of the air suction state of the air supply device 3, and after the sensor receives an off signal of the control switch after bathing is completed, the main control module 91 starts the circulation path of the air inflation state of the air supply device 3, so as to squeeze the hot water in the pipe and the adhered hot water on the pipe wall into the water heater.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. An energy-conserving evacuator of pipeline for with hot water pipe and shower union coupling of water heater, it includes: the shower bath device comprises a shell, a water-gas circulating device and a gas supply device, wherein the water-gas circulating device and the gas supply device are accommodated in the shell, and the shower bath device is characterized by comprising a water-gas circulating pipeline, a pressurizing pipeline and a pressurizing assembly sleeved on the pressurizing pipeline, the head end and the tail end of the water-gas circulating pipeline are respectively provided with a hot water interface and an inflating interface, the middle section of the water-gas circulating pipeline is provided with a mixed water interface, the hot water interface is communicated with a hot water pipe, the joint of the hot water pipe and a water heater is provided with a horn-shaped intercepting piece, and; one port of the pressurization pipeline is communicated with the water-gas circulation pipeline and is arranged close to the hot water interface, the axis of the port and the axis of the hot water interface are arranged in a crossed manner at a preset angle, the pressurization assembly is connected to the pressurization pipeline in a penetrating manner, and the extending end of the pressurization pipeline forms a pressurization interface; the air supply device is internally provided with a plurality of air suction or inflation circulation passages and comprises an air supply assembly and at least one control valve, one end of the control valve is communicated with the air supply assembly, and the other end of the control valve is connected with the inflation connector and the pressurization connector.

2. The pipeline energy-saving evacuator according to claim 1, wherein a first communicating port and a second communicating port are formed at positions where the water-air circulation pipeline communicates with the mixed water port and the pressure boosting pipeline, respectively, a baffle is disposed in each of the first communicating port and the second communicating port, the water-air circulation pipeline between the inflation port and the first communicating port forms an accommodating section, one end of the accommodating section, which is far away from the first communicating port, is disposed obliquely upward at a second predetermined angle, and a highest point of the accommodating section is higher than a position of the second connecting port.

3. The energy-saving pipeline emptier according to claim 2, wherein an emptying part is arranged in the water-air circulation pipeline to extrude residual hot water in the water-air circulation pipeline and the hot water pipe and hot water adhered to the pipe wall into the water heater during the inflation of the air supply assembly.

4. The energy-saving emptier for pipelines according to claim 1, wherein the pressurizing assembly comprises a pressurizing barrel, a barrel cap and a barrel cover which are arranged at two ends of the pressurizing barrel, the inner diameter of the pressurizing barrel is larger than the diameter of the pressurizing pipeline, and one sides of the barrel cap and the barrel cover facing the pressurizing barrel are both in a V-shaped structure so as to form a pressurizing channel with sharp-angled structures at two ends inside the pressurizing assembly.

5. The energy-saving pipe emptier according to claim 1, wherein a branch connecting pipe is provided on the inflation port, and a port of the branch connecting pipe is communicated with the control valve.

6. The energy-saving pipeline emptier according to claim 1, wherein the axis of the booster pipe intersects the axis of the hot water port at an angle in the range of 110 to 130 degrees.

7. The energy-saving pipe emptier according to claim 4, characterized in that said cap is provided with a drain pipe communicating with said pressurizing channel.

8. The energy-saving pipeline emptier according to claim 2, wherein the water-air circulation device is further provided with a bypass pipeline for communicating the mixed water port with the water-air circulation pipeline.

9. The energy-saving pipe emptier according to claim 1, wherein the air supply assembly comprises an air supply part, a silencing assembly and a sound insulation assembly, the silencing assembly is connected with the air supply part, the sound insulation assembly wraps the air supply part, and the air supply part is any one of three structures of an air pump or a combination of the air pump and a self-priming pump or a combination of the air pump and an air-water mixing pump.

10. The energy-saving pipe emptier according to any one of claims 1 to 9, further comprising a control system, wherein the control system comprises a main control module, a display module and at least one control button, the main control module is arranged on the housing, the control button is connected with the display module, the main control module controls the motion state of the gas supply device, and the display module is electrically connected with the main control module.

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