CN212108655U

CN212108655U - Be applied to water circulating system's big flux and open and close exhaust apparatus fast

Info

Publication number: CN212108655U
Application number: CN202020414487.9U
Authority: CN
Inventors: 高旭明; 李建新; 王明海; 刘凯
Original assignee: Shandong Fanghong New Energy Group Co ltd
Current assignee: Shandong Fanghong New Energy Group Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-08
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a water circulating system field discloses an exhaust apparatus is opened and close fast to big flux who is applied to water circulating system very much. The electromagnetic two-way valve comprises a buffer, a mercury float switch, an electromagnetic two-way valve and an exhaust pipe, wherein the buffer comprises a shell, the upper end of the shell is provided with an air pipe, the lower end of the shell is provided with a water pipe, the side wall of the shell is provided with an internal thread sealing pipe, the internal thread sealing pipe is in threaded connection with a stator, a group of signal wires are embedded in the stator, the inner end of the stator is hinged with an electrical insulation shell, a metal pipe electrode and a metal plate electrode are arranged in the electrical insulation shell and are respectively connected; placing a counterweight metal ball inside the electrically insulating housing; the upper end of the vent pipe is connected with the electromagnetic two-way valve, and the upper end of the electromagnetic two-way valve is connected with the exhaust pipe; the electromagnetic two-way valve is connected with the signal wire. The utility model discloses can discharge the inside remaining air of water circulating system promptly, rapidly, avoid the influence of the impurity and the incrustation scale in the circulating water simultaneously.

Description

Be applied to water circulating system's big flux and open and close exhaust apparatus fast

Technical Field

The utility model relates to a water circulating system field, in particular to be applied to water circulating system's big flux and open and close exhaust apparatus fast.

Background

At present, a water circulation system is mostly adopted in the heating ventilation air conditioning professional, and residual air in a system pipeline needs to be discharged at any time in the installation, debugging and daily maintenance processes of the system. The automatic exhaust valve is usually a float type exhaust valve, and the exhaust hole is small, so that the interior of the exhaust valve needs to be kept clean. In the actual use process, impurities in the circulating water easily block the exhaust holes, so that normal exhaust cannot be realized; meanwhile, due to the reason of water quality, scale is difficult to form after the exhaust valve is used for a long time, so that the surface of an exhaust hole is rough, the exhaust hole is not tightly sealed, and finally the exhaust valve leaks water.

Disclosure of Invention

The utility model discloses a remedy prior art's defect, provide one kind can discharge the inside remaining air of water circulating system in time, rapidly, avoid the big flux of being applied to water circulating system of the influence of the impurity of while circulation aquatic and incrustation scale to open and close exhaust apparatus fast.

The utility model discloses a realize through following technical scheme:

a large-flux quick opening and closing exhaust device applied to a water circulation system is characterized by comprising a buffer, a mercury float switch, an electromagnetic two-way valve and an exhaust pipe, wherein the buffer comprises a shell, the upper end of the shell is provided with a vent pipe, the lower end of the shell is provided with a water through pipe, the side wall of the shell is provided with an internal thread sealing pipe with a high inside and a low outside, and the inner end of the internal thread sealing pipe extends into the shell; the mercury float switch comprises a stator, the stator is a solid external thread electric insulation tube, a group of signal wires are embedded in the stator, the stator is in threaded connection with an internal thread sealing tube, the inner end of the stator extends out of the internal thread sealing tube and then is hinged with a float, the float comprises a hollow sealed electric insulation shell and two conductive electrodes arranged in the electric insulation shell, one conductive electrode is a cylindrical metal tube electrode and is connected with one electrode of the signal wires; the other conductive electrode is a disc-shaped metal plate electrode, is fixed at the bottom of the electric insulation shell and is connected with the other electrode of the signal wire; a counterweight metal ball is arranged in the metal tube electrode; the upper end of the vent pipe is connected with the electromagnetic two-way valve, and the upper end of the electromagnetic two-way valve is connected with the exhaust pipe; the electromagnetic two-way valve is connected with a signal wire.

The upper end of the exhaust pipe is hinged with a dust cover.

The upper part of the shell is hemispherical, and the lower end of the shell is a plane.

The inner drift diameter of the shell is 5-10 times of that of the exhaust pipe, and the inner drift diameters of the vent pipe, the water through pipe and the exhaust pipe are the same.

The counterweight metal ball is of a hollow structure, and mercury is filled in the counterweight metal ball.

The breather pipe and the water service pipe are made of galvanized steel pipes, and the internal thread sealing pipe is made of seamless steel pipes.

The utility model has the advantages that:

when the gas-discharging device is in a gas-discharging state, under the condition that no water exists in the circulating pipeline, the floater of the mercury floater switch keeps a drooping state, the mercury counterweight metal ball in the floater falls to the bottom of the floater, the electrode in the floater is connected, and an electric signal is transmitted to the electromagnetic two-way valve to be started; after the water pump is started, under the pressure of water, air in the circulating pipeline passes through the water pump;

when the water level reaches a certain height, the floater of the mercury floater switch floats upwards, the mercury counterweight metal ball inside the floater slides to the top of the floater, the electrode in the floater is disconnected, and an electric signal is transmitted to the electromagnetic two-way valve to lock the electromagnetic two-way valve so as to prevent the circulating water from overflowing, so that water leakage or blockage caused by impurities or scales in the water can be avoided; moreover, the electromagnetic control device of the utility model has rapid reaction, air in the water circulation system can be discharged at any time, and no air can be locked in time.

The utility model discloses a shield is installed on blast pipe upper portion, and when exhausting, the shield is dashed by the rush-up, and after the two-way valve closed not to exhaust, the shield whereabouts covers the blast pipe, prevents that dust debris from falling into the utility model discloses inside.

The utility model discloses simple structure is practical, and preparation, installation, maintenance, change are all very convenient.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure, a shell 1, a vent pipe 2, a water through pipe 3, an internal thread sealing pipe 4, a stator 5, a signal wire 6, an electric insulation shell 7, a metal pipe electrode 8, a metal disc electrode 9, a counterweight metal ball 10, an electromagnetic two-way valve 11, an exhaust pipe 12 and a dust cover 13 are arranged.

Detailed Description

The attached drawings are specific embodiments of the invention. As shown in fig. 1 to 4, the large-flux quick opening and closing exhaust device applied to the water circulation system comprises a buffer, a mercury float switch, an electromagnetic two-way valve and an exhaust pipe, wherein:

the buffer is casing 1 of galvanized steel pipe material, and the upper portion of casing 1 is the hemisphere to welding a breather pipe 2 of galvanized steel pipe material, the lower extreme is the plane, and welding water service pipe 3 of galvanized steel pipe material, welding the internal thread sealed tube 4 of a seamless steel pipe material on the lateral wall, internal thread sealed tube 4 partly in casing 1, partly outside casing 1, and high outside low. The internal thread sealing tube 4 plays a role in installing the mercury float switch

The mercury float switch comprises a stator 5, wherein the stator 5 is a solid external thread electric insulation tube, a group of signal wires 6 are embedded in the stator 5, external threads of the stator 5 are matched with internal threads of an internal thread sealing tube 4, the stator 5 is screwed with the internal thread sealing tube 4 after being inserted into the internal thread sealing tube 4, equivalently, the internal thread sealing tube 4 is sleeved on the stator 5 through threads, the inner end of the stator 5 extends out of the internal thread sealing tube 4 and then is hinged with a float, the float comprises a hollow sealed electric insulation shell 7 and two conductive electrodes arranged inside the electric insulation shell 7, the two conductive electrodes are not in contact with each other, one of the conductive electrodes is a cylindrical metal tube electrode 8 and is positioned on the inner wall of the electric insulation shell 7 and connected with one of the poles of the signal wires 6; the other conductive electrode is a disc-shaped metal plate electrode 9 which is fixed at the bottom of the electric insulation shell 7 and is connected with the other electrode of the signal wire 6; a counterweight metal ball 10 is placed in the metal tube electrode 8, the counterweight metal ball 10 is of a hollow structure, mercury is filled in the counterweight metal ball 10 to increase the counterweight of the metal tube electrode, the diameter of the counterweight metal ball 10 is slightly smaller than the inner diameter of the metal tube electrode 8 to ensure that the counterweight metal ball 10 can freely roll in the metal tube electrode 8, when the counterweight metal ball 10 reaches the bottom of the electric insulation shell 7, the counterweight metal ball 10 is respectively in contact with two conductive electrodes and is connected with the two conductive electrodes, and the two conductive electrodes are in contact with the signal wire 6.

The upper end of the vent pipe 2 is connected with an electromagnetic two-way valve 11, the upper end of the electromagnetic two-way valve 11 is connected with an exhaust pipe 12, and the electromagnetic two-way valve 11 is connected with a signal wire; the exhaust pipe 12 is made of galvanized steel pipe, the top of the exhaust pipe is hinged with a dust cover 13, and the exhaust pipe is jacked up as soon as the kettle is opened like the nozzles of the existing kettles.

The inner diameter of the shell 1 is 5-10 times of that of the exhaust pipe 12, and the inner diameters of the vent pipe 2, the water pipe 3 and the exhaust pipe 12 are the same.

Under the condition that no water exists in the circulating pipeline, the floater of the mercury floater switch sags, the counterweight metal ball 10 in the floater falls to the bottom of the floater, two conductive electrodes in the floater are switched on, and an electric signal is transmitted to the electromagnetic two-way valve 11 to be started; after the water pump is started, under the pressure of water, air in the circulating pipeline passes through the water pump; when the air in the circulating pipeline is completely exhausted, the circulating water enters the buffer, when the water level reaches a certain height, the floater of the mercury floater switch floats upwards, the counterweight metal ball 10 in the floater slides to the top of the floater, the conductive electrode in the floater is disconnected, and an electric signal is transmitted to the electromagnetic two-way valve 11 to be locked so as to prevent the circulating water from overflowing; when exhausting, shield 13 is dashed, and when the electromagnetism two-way valve 11 closed not exhaust after, shield 13 whereabouts covers blast pipe 12, prevents that dust debris from falling into the utility model discloses inside.

Other technical features than those described in the specification are known to those skilled in the art.

Claims

1. A large-flux quick opening and closing exhaust device applied to a water circulation system is characterized by comprising a buffer, a mercury float switch, an electromagnetic two-way valve (11) and an exhaust pipe (12), wherein the buffer comprises a shell (1), a vent pipe (2) is arranged at the upper end of the shell (1), a water through pipe (3) is arranged at the lower end of the shell, an internal thread sealing pipe (4) with a high inside and a low outside is arranged on the side wall of the shell, and the inner end of the internal thread sealing pipe (4) extends into the shell (1); the mercury float switch comprises a stator (5), wherein the stator (5) is a solid external thread electric insulation tube, a group of signal wires (6) are embedded in the stator (5), the stator (5) is in threaded connection with an internal thread sealing tube (4), the inner end of the stator (5) extends out of the internal thread sealing tube (4) and then is hinged with a float, the float comprises a hollow sealed electric insulation shell (7) and two conductive electrodes arranged inside the electric insulation shell (7), one of the conductive electrodes is a cylindrical metal tube electrode (8) and is connected with one of the poles of the signal wires (6); the other conductive electrode is a disc-shaped metal disc electrode (9) which is fixed at the bottom of the electric insulation shell (7) and is connected with the other electrode of the signal wire (6); a counterweight metal ball (10) is arranged inside the metal tube electrode (8); the upper end of the vent pipe (2) is connected with an electromagnetic two-way valve (11), and the upper end of the electromagnetic two-way valve (11) is connected with an exhaust pipe (12); the electromagnetic two-way valve (11) is connected with the signal wire (6).

2. The large-flux quick opening and closing exhaust device applied to the water circulation system as claimed in claim 1, wherein a dust cover (13) is hinged to the upper end of the exhaust pipe (12).

3. The large-flux quick opening and closing exhaust device applied to the water circulation system as claimed in claim 1, wherein the upper part of the shell (1) is hemispherical, and the lower end is a plane.

4. The large-flux quick opening and closing exhaust device applied to the water circulation system as claimed in claim 1, wherein the inner diameter of the shell (1) is 5-10 times of the inner diameter of the exhaust pipe (12), and the inner diameters of the vent pipe (2), the water through pipe (3) and the exhaust pipe (12) are the same.

5. The large-flux quick opening and closing exhaust device applied to the water circulation system as claimed in claim 1, wherein the counterweight metal ball (10) is a hollow structure, and mercury is filled in the counterweight metal ball.

6. The large-flux quick opening and closing exhaust device applied to the water circulation system as claimed in claim 1, wherein the casing (1), the exhaust pipe (12), the vent pipe (2) and the water pipe (3) are all made of galvanized steel pipe, and the internal thread sealing pipe (4) is made of seamless steel pipe.