CN217840186U

CN217840186U - Control equipment for automatic backflow of secondary water supply with overhigh water outlet temperature

Info

Publication number: CN217840186U
Application number: CN202222031688.2U
Authority: CN
Inventors: 周金喜; 何冬帅
Original assignee: Tianjin Jiujin Pipeline Engineering Co ltd
Current assignee: Tianjin Jiujin Pipeline Engineering Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-18
Anticipated expiration: 2032-08-03

Abstract

The utility model provides a controlgear of too high automatic backward flow of secondary water supply outlet water temperature, including the secondary water supply outlet pipe, the upper portion of secondary water supply outlet pipe be provided with temperature sensor, and the installation pipe threaded connection setting that the sense terminal of temperature sensor and the upper portion integration of secondary water supply outlet pipe set up, the temperature sensor wire is connected with the controller. The utility model discloses heat transfer case, connecting pipe, the setting of fixed plate and bolt and nut is favorable to storing the heat transfer liquid of outside setting, realizes carrying out heat transfer and heat recovery's function to the water of backward flow in-process.

Description

Control equipment for automatic backflow of secondary water supply with overhigh water outlet temperature

Technical Field

The utility model belongs to the technical field of water supply equipment, especially, relate to a controlgear of automatic backward flow of secondary water supply outlet water temperature is too high.

Background

The secondary water supply is a form that a unit or an individual stores and pressurizes urban public water supply or self-built facility water supply, and supplies water to a user or a user through a pipeline. When the pipeline temperature of secondary water supply is too high, need utilize the water drainage of backflow equipment in with the water supply pipe to the storage water tank, avoid the quality of water quality reduction scheduling problem that the temperature was too high to bring. The application number is CN201920853277.7, and the control equipment for the automatic backflow of the secondary water supply with overhigh water outlet temperature relates to the technical field of water supply appliances; the middle part fixed mounting of trunk line has the water pump, and the one end of stainless steel pipeline is connected with the end of intaking of trunk line, and the other end of stainless steel pipeline is connected with the play water end of trunk line. When the backflow control equipment is used, water with overhigh temperature flows back to the water storage tank, heat stored in the water in the backflow process is emitted outwards, and the utilization rate of the heat is lower.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a control equipment of too high automatic backward flow of secondary water supply leaving water temperature carries out the heat transfer through the water to the backward flow in-process, retrieves the heat, realizes thermal recycle to return line and supply channel reposition of redundant personnel have improved the degree of automation of control.

Wherein the utility model discloses a can realize through following technical scheme:

the control equipment is characterized in that the secondary water supply outlet pipe is connected with a water supply pipe and a return pipe through a three-way connecting pipe structure, and a heat exchange box structure is arranged outside the return pipe; the heat exchange box structure comprises two heat exchange boxes, the two heat exchange boxes are oppositely arranged, the two sides of the outside of each heat exchange box are respectively and integrally provided with a connecting pipe, the left side and the right side of each heat exchange box are respectively welded with a fixed plate, the two left sides of the fixed plates are respectively connected and arranged at the front end and the rear end through bolts and nuts, and the two right sides of the fixed plates are respectively connected and arranged at the front end and the rear end through bolts and nuts.

Preferably, the three-way connecting pipe structure comprises a three-way pipe, a normally open electromagnetic valve is connected to the upper end flange of the three-way pipe, and a normally closed electromagnetic valve is connected to the lower end flange of the three-way pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, heat transfer case, connecting pipe, the setting of fixed plate and bolt and nut are favorable to storing the heat transfer liquid of outside setting, realize carrying out heat transfer and heat recovery's function to the water of backward flow in-process.

The utility model discloses in, the three-way pipe, normally open solenoid valve, the setting of normally closed solenoid valve and controller is favorable to being divided into different branches with delivery pipe and back flow to the degree of automation of control has been improved.

The utility model discloses in, the setting of delivery pipe, when the temperature was in normal temperature scope, the delivery pipe realized normal water supply function.

The utility model discloses in, the setting of back flow, when the temperature is too high, with the secondary water supply water storage tank of water backward flow to outside setting.

The utility model discloses in, temperature sensor's setting, be favorable to detecting the temperature of secondary water supply outlet pipe normal water.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a left side view of the internal structure of the heat exchange box of the present invention;

fig. 3 is a schematic structural view of the three-way connection pipe structure of the present invention.

In the figure:

1. a secondary water supply and outlet pipe; 2. a water temperature sensor; 3. a tee joint connecting pipe structure; 31. a three-way pipe; 32. a normally open solenoid valve; 33. a normally closed solenoid valve; 4. a water supply pipe; 5. a return pipe; 6. a heat exchange box structure; 61. a heat exchange box; 62. a connecting pipe; 63. a fixing plate; 64. a bolt and a nut; 7. and a controller.

Detailed Description

The utility model discloses it is following to combine the figure to describe the utility model specifically, as shown in figure 1 and figure 2, a secondary supplies water outlet water temperature too high automatic controlgear who flows back, including secondary water supply outlet pipe 1, secondary water supply outlet pipe 1's upper portion be provided with water temperature sensor 2, and the installation pipe threaded connection setting that the sense terminal of water temperature sensor 2 and the upper portion integration of secondary water supply outlet pipe 1 set up, water temperature sensor 2 wire is connected with controller 7.

The control equipment for the automatic backflow of the secondary water supply with the overhigh water outlet temperature further comprises a three-way connecting pipe structure 3, a water supply pipe 4, a backflow pipe 5 and a heat exchange box structure 6, wherein the water supply pipe 4 and the backflow pipe 5 are connected with a secondary water supply outlet pipe 1 through the three-way connecting pipe structure 3, and the heat exchange box structure 6 is connected with the backflow pipe 5.

The heat exchange box structure 6 comprises heat exchange boxes 61 and bolt nuts 64, the heat exchange boxes 61 are arranged in two opposite directions, connecting pipes 62 are integrally arranged on the front side and the rear side of the outer portions of the two heat exchange boxes 61 respectively, liquid used for heat exchange is connected with the connecting pipe 62 on the left side of the heat exchange box 61 through a pipeline, the heat exchange liquid enters the heat exchange boxes 61, the connecting pipe 62 on the right end of the heat exchange box 61 is connected with an external pipeline, the heat exchange liquid in the heat exchange boxes 61 can be led out, fixing plates 63 are welded on the left side and the right side of the heat exchange boxes 61 respectively, the front end and the rear end of each fixing plate 63 on the left side are connected and arranged through the bolt nuts 64 respectively, the front end and the rear end of each fixing plate 63 on the right side are connected and arranged through the bolt nuts 64 respectively, the heat exchange liquid exchanges heat with water in the return pipe 5, and heat can be recycled.

In this embodiment, as shown in fig. 3, the three-way connecting pipe structure 3 includes a three-way pipe 31, a normally open electromagnetic valve 32 is flanged to an upper end of the three-way pipe 31, a normally closed electromagnetic valve 33 is flanged to a lower end of the three-way pipe 31, the three-way pipe 31 divides a water supply pipe and a return pipe into different branches, the normally open electromagnetic valve 32 and the normally closed electromagnetic valve 33 are controlled by the controller 7, and the degree of automation of control is improved.

In this embodiment, specifically, two heat exchange boxes 61 are respectively disposed on the upper and lower sides of the return pipe 5.

In this embodiment, specifically, the left end of the three-way pipe 31 is connected to the right end flange of the secondary water supply outlet pipe 1.

In this embodiment, specifically, the water outlet end of the normally open electromagnetic valve 32 is flange-connected to the water supply pipe 4.

In this embodiment, specifically, the water outlet end of the normally closed electromagnetic valve 33 is flange-connected to the return pipe 5.

In this embodiment, specifically, the water temperature sensor 2 is an HTSBWZ series digital display temperature sensor; the controller 7 adopts a controller embedded with FX3G series PLC; the water temperature sensor 2 is connected with an input end lead of the controller 7, and the normally open electromagnetic valve 32 and the normally closed electromagnetic valve 33 are respectively and electrically connected with an output end of the controller 7.

In this embodiment, specifically, the heat exchange box 61 is a stainless steel box with a water storage cavity therein.

Principle of operation

In the utility model, water in the water storage tank of the external secondary water supply system enters the secondary water supply outlet pipe 1, the water temperature sensor 2 detects the water temperature and transmits an electric signal to the controller 7, when the water temperature is in a normal temperature range, the water enters the water supply pipe 4 through the normally open electromagnetic valve 32 to normally supply water to users, when the water temperature is too high, the controller 7 controls the normally open electromagnetic valve 32 to be closed, the normally closed electromagnetic valve 33 is opened, the water in the secondary water supply outlet pipe 1 enters the backflow pipe 5 through the normally closed electromagnetic valve 33 and flows back to the water storage tank of the external secondary water supply system through the backflow pipe 5; the liquid used for heat exchange from the outside is connected with the connecting pipe 62 on the left side of the heat exchange box 61 through a pipeline, the heat exchange liquid exchanges heat with the water in the return pipe 5, the heat is recycled, the temperature of the water in the water storage tank of the external secondary water supply system is reduced to a certain extent, the condition that the temperature of the water in the water storage tank is further increased due to the fact that the water with the heat flows back to the water storage tank is avoided, the connecting pipe 62 on the right end of the heat exchange box 61 is connected with an external pipeline, and therefore the heat exchange liquid in the heat exchange box 61 is led out.

Utilize technical scheme, or technical staff in the field be in the utility model technical scheme's inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a controlgear of automatic backward flow of secondary water supply outlet water temperature is too high, includes secondary water supply outlet pipe (1), the upper portion of secondary water supply outlet pipe (1) be provided with temperature sensor (2), and the installation pipe threaded connection setting that the sense terminal of temperature sensor (2) and the upper portion integration of secondary water supply outlet pipe (1) set up, temperature sensor (2) wire is connected with controller (7), its characterized in that, secondary water supply outlet pipe (1) is connected with delivery pipe (4) and back flow (5) through tee bend connecting pipe structure (3), wherein the externally mounted of back flow (5) has heat transfer case structure (6).

2. The control equipment for the automatic backflow of the secondary water supply with the overhigh outlet water temperature as claimed in claim 1, wherein the heat exchange box structure (6) comprises two heat exchange boxes (61), the two heat exchange boxes (61) are oppositely arranged, the front and rear sides of the outer parts of the two heat exchange boxes (61) are respectively and integrally provided with a connecting pipe (62), the left and right sides of the heat exchange boxes (61) are respectively welded with a fixing plate (63), the front and rear ends of the two left fixing plates (63) are respectively connected and arranged through bolt and nuts (64), and the front and rear ends of the two right fixing plates (63) are respectively connected and arranged through bolt and nuts (64).

3. The control equipment for automatic backflow of secondary water supply with overhigh outlet water temperature as set forth in claim 1, characterized in that two heat exchange boxes (61) are respectively arranged at the upper and lower sides of the backflow pipe (5).

4. The control equipment for the automatic backflow of the overhigh temperature of the secondary water supply outlet water as claimed in claim 1, wherein the three-way connecting pipe structure (3) comprises a three-way pipe (31), the upper end of the three-way pipe (31) is connected with a normally open electromagnetic valve (32) in a flange manner, and the lower end of the three-way pipe (31) is connected with a normally closed electromagnetic valve (33) in a flange manner.

5. The control equipment for the automatic backflow of the secondary water supply with the overhigh outlet water temperature as claimed in claim 4, wherein the water outlet end of the normally open electromagnetic valve (32) is arranged in a flange connection with the water supply pipe (4).

6. The control equipment for the automatic backflow of the secondary water supply with the overhigh outlet temperature as set forth in claim 4, wherein the water outlet end of the normally closed electromagnetic valve (33) is arranged in a flange connection with the backflow pipe (5).