A pressure regulating recovery device for steam terminal

Abstract

The utility model discloses a pressure regulating and recovering device for a steam terminal, comprising a constant pressure tank, steam equipment and a recovery tank, wherein one end of an air inlet pipe of the constant pressure tank is connected to an external steam pipeline, and the other end of the air inlet pipe is connected to the inside of the constant pressure tank; an air outlet of the constant pressure tank is connected to a first pipeline; a pressure control port is provided on the top of the constant pressure tank; a first pressure sensor is provided on the top wall of the constant pressure tank; an air outlet is provided on the upper end of the steam equipment, and the air outlet is connected to a third pipeline; a fourth pipeline is provided on the air inlet of the recovery tank, and one end of the fourth pipeline is connected to the second pipeline and the third pipeline through a tee; the air outlet pipe of the recovery tank is connected to an external device; a second pressure sensor is provided on the top wall of the recovery tank; the device is installed at a client end, can regulate the pressure according to the needs of the customer, and can recover the excess steam after the equipment is used and reuse it, which not only saves costs but also protects the environment.

Description

Technical Field

[0001] The utility model belongs to the field of thermal terminal equipment, and in particular relates to a pressure regulating recovery device for a steam terminal. Background Art

[0002] Steam pipes carry their own pressure during the process of transmitting steam. However, when the steam is used at the terminal, the pressure needs to be adjusted according to customer needs before it can be used. During the use of steam, in order to ensure the normal operation of the equipment, the amount of steam used will be slightly larger than the demand. In the existing technology, excess steam is generally discharged, which not only causes waste but also pollutes the atmosphere. Utility Model Content

[0003] In view of the problems existing in the background technology, the utility model provides a pressure regulating and recovery device for a steam terminal.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure regulating and recovery device for a steam terminal, comprising a constant pressure tank, a steam device and a recovery tank, wherein the constant pressure tank is a pressure tank, one end of an air inlet pipe of the constant pressure tank is connected to an external steam pipeline, the other end of the air inlet pipe is connected to the inside of the constant pressure tank, and a first one-way valve is provided at the end of the air inlet pipe near the constant pressure tank; an air outlet of the constant pressure tank is connected to a first pipeline, and a second solenoid valve is provided at the end of the first pipeline near the constant pressure tank; a pressure control port is provided on the top of the constant pressure tank, the pressure control port is connected to a second pipeline, and a third solenoid valve is provided at the end of the second pipeline near the constant pressure tank; a first pressure sensor is provided on the top wall of the constant pressure tank;

[0005] The upper end of the steam device is provided with an air outlet, the air outlet is connected to the third pipeline, and the third pipeline is provided with a second one-way valve near the steam device;

[0006] The recovery tank is a pressure tank, and a fourth pipe is provided at the air inlet of the recovery tank. One end of the fourth pipe is connected to the second pipe and the third pipe through a tee, and the other end of the fourth pipe is connected to the inside of the recovery tank. A third one-way valve is provided at the end of the fourth pipe near the recovery tank; an air outlet pipe of the recovery tank is connected to an external device, and a fifth solenoid valve is provided at the end of the air outlet pipe near the recovery tank; a second pressure sensor is provided on the top wall of the recovery tank.

[0007] A first sewage pipe is arranged at the bottom of the constant pressure tank, and a first sewage valve is arranged on the first sewage pipe.

[0008] A first pressure relief pipe is provided at the upper end of the side wall of the constant pressure tank. The first pressure relief pipe is connected to the interior of the constant pressure tank. A first solenoid valve is provided at the end of the first pressure relief pipe near the constant pressure tank.

[0009] A second sewage pipe is provided at the bottom of the recovery tank, and a second sewage valve is provided on the second sewage pipe.

[0010] A second pressure relief pipe is provided on the top of the recovery tank, the second pressure relief pipe is connected with the inside of the recovery tank, and a fourth solenoid valve is provided at the end of the second pressure relief pipe near the recovery tank.

[0011] The beneficial effects of the utility model are as follows: the utility model provides a pressure regulating and recovery device for a steam terminal, which is installed at the client end and can regulate the pressure according to the needs of the customer. At the same time, it can recover the excess steam after the equipment is used and reuse it, which not only saves costs but also protects the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the utility model.

[0013] Figure 2 This is a cross-sectional view of a constant pressure tank.

[0014] Figure 3 This is a cross-sectional view of the recovery tank.

[0015] In the figure: 1, constant pressure tank, 2, steam equipment, 3, recovery tank, 4, air inlet pipe, 5, first pressure relief pipe, 6, first pipeline, 7, first sewage pipe, 8, second pipeline, 9, third pipeline, 10, fourth pipeline, 11, second pressure relief pipe, 12, second sewage pipe, 13, three-way, 14, air outlet pipe, 15, first pressure sensor, 16, second pressure sensor, 41, first one-way valve, 51, first solenoid valve, 61, second solenoid valve, 71, first sewage valve, 81, third solenoid valve, 91, second one-way valve, 101, third one-way valve, 111, fourth solenoid valve, 121, second sewage valve, 141, fifth solenoid valve. DETAILED DESCRIPTION

[0016] The technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the specification. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] The following is combined with Figure 1-3The specific implementation of the utility model is further elaborated in detail: a pressure regulating and recovery device for a steam terminal, comprising a constant pressure tank 1, a steam device 2 and a recovery tank 3, wherein the constant pressure tank 1 is a pressure tank, one end of an air inlet pipe 4 of the constant pressure tank 1 is connected to an external steam pipeline, and the other end of the air inlet pipe 4 is connected to the inside of the constant pressure tank 1, and a first one-way valve 41 is provided near the end of the air inlet pipe 4 near the constant pressure tank 1, and the direction of the first one-way valve 41 is to enter the constant pressure tank 1 from the air inlet pipe 4; the air outlet of the constant pressure tank 1 is connected to a first pipe 6, and a second electromagnetic A pressure control port is provided on the top of the constant pressure tank 1, and the pressure control port is connected to the second pipe 8. A third solenoid valve 81 is provided near the end of the second pipe 8 near the constant pressure tank 1. A first pressure sensor 15 is provided on the top wall of the constant pressure tank 1. The first pressure sensor 15 is used to monitor the pressure change inside the constant pressure tank 1. The first pressure sensor 15 is connected to the control system through a line. Various parameters can be freely set in the control system. During use, steam enters the constant pressure tank 1 from the air inlet pipe 4. When the pressure inside the constant pressure tank 1 reaches the required pressure value, the second solenoid valve 61 is opened. , steam flows out from the first pipe 6 and enters the steam device 2 at the lower end; when the pressure inside the constant pressure tank 1 is slightly higher than the pressure required for use, the third solenoid valve 81 is opened, and at this time, steam flows out from the second pipe 8, and the outflowing steam enters the recovery tank 3 at the lower end; the second pipe 8 can quickly reduce the pressure inside the constant pressure tank 1 and recycle the excess steam to avoid waste; when the pressure inside the constant pressure tank 1 returns to the required pressure, the third solenoid valve 81 is closed, and the steam flows out from the first pipe 6; the bottom of the constant pressure tank 1 is provided with a first drain pipe 7, and the first drain A first sewage valve 71 is provided on the sewage pipe 7; the first sewage pipe 7 is for facilitating regular cleaning of the interior of the constant pressure tank 1; a first pressure relief pipe 5 is provided at the upper end of the side wall of the constant pressure tank 1, the first pressure relief pipe 5 is connected to the interior of the constant pressure tank 1, and a first solenoid valve 51 is provided at the end of the first pressure relief pipe 5 near the constant pressure tank 1; the first pressure relief pipe 5 is connected to the outside atmosphere, and the first pressure relief pipe 5 and the first solenoid valve 51 form a safety protection device. When the pressure inside the constant pressure tank 1 is too high and endangers safety, the first solenoid valve 51 opens to quickly discharge the steam of the constant pressure tank 1 to prevent safety accidents;

[0018] The steam device 2 is provided with an air outlet at the upper end thereof, and the air outlet is connected to the third pipe 9. The third pipe 9 is provided with a second one-way valve 91 near the end of the steam device 2, and the direction of the second one-way valve 91 is to enter the third pipe 9 from the steam device 2; the air outlet of the steam device 2 is to recycle the excess steam, and the function of the second one-way valve 91 is to prevent the steam in the second pipe 8 from flowing back into the steam device 2; in this embodiment, only one steam device 2 is listed, and in actual use, multiple steam devices 2 can be connected in parallel, and only the corresponding pipes need to be modified;

[0019] The recovery tank 3 is a pressure tank, and the air inlet of the recovery tank 3 is provided with a fourth pipe 10, one end of the fourth pipe 10 is connected with the second pipe 8 and the third pipe 9 through a tee 13, and the other end of the fourth pipe 10 is connected with the inside of the recovery tank 3, and the fourth pipe 10 is provided with a third one-way valve 101 near the end of the recovery tank 3, and the direction of the third one-way valve 101 is to enter the recovery tank 3 from the fourth pipe 10; the air outlet pipe 14 of the recovery tank 3 is connected with an external device, and the air outlet pipe 14 is provided with a fifth solenoid valve 141 near the end of the recovery tank 3; a second pressure sensor 16 is provided on the top wall of the recovery tank 3; the second pressure sensor 16 is used to monitor the pressure change inside the recovery tank 3, and the second pressure sensor 16 is connected with the control system through a line, and various parameters can be freely set in the control system; during use, when the pressure inside the recovery tank 3 reaches the requirement, the fifth solenoid valve 141 is opened; at this time, the steam flows out through the air outlet pipe 14 and enters other equipment, such as entering the employee bathhouse for reuse;

[0020] A second sewage pipe 12 is provided at the bottom of the recovery tank 3, and a second sewage valve 121 is provided on the second sewage pipe 12; the second sewage pipe 12 is for facilitating regular cleaning of the inside of the recovery tank 3; a second pressure relief pipe 11 is provided at the top of the recovery tank 3, and the second pressure relief pipe 11 is connected to the inside of the recovery tank 3, and a fourth solenoid valve 111 is provided near the end of the second pressure relief pipe 11 near the recovery tank 3; the second pressure relief pipe 11 is connected to the outside atmosphere, and the second pressure relief pipe 11 and the fourth solenoid valve 111 constitute a safety protection device. When the pressure inside the recovery tank 3 is too high and endangers safety, the fourth solenoid valve 111 opens, and the steam of the recovery tank 3 can be quickly discharged to prevent safety accidents.

[0021] The use process of the utility model is as follows: external steam enters the constant pressure tank 1 from the air inlet pipe 4, and when the pressure inside the constant pressure tank 1 reaches the required pressure value, the second solenoid valve 61 is opened, and the steam flows out from the first pipe 6 and enters the steam equipment 2 at the lower end; when the pressure inside the constant pressure tank 1 is slightly higher than the required pressure, the third solenoid valve 81 is opened, and at this time, the steam flows out from the second pipe 8, and the outflowing steam enters the recovery tank 3 at the lower end; after the steam entering the steam equipment 2 from the first pipe 6 participates in normal production and processing, the excess steam flows out from the air outlet of the steam equipment 2, passes through the third pipe 9, and enters the recovery tank 3; when the pressure inside the recovery tank 3 reaches the requirement, the fifth solenoid valve 141 is opened, and the steam enters other equipment for reuse, which not only saves costs but also protects the environment.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0023] The parts not described in detail in this utility model are prior art.

Claims

1. A pressure regulating and recovery device for a steam terminal, comprising a constant pressure tank (1), a steam device (2) and a recovery tank (3), wherein: The constant pressure tank (1) is a pressure tank, one end of an air inlet pipe (4) of the constant pressure tank (1) is connected to an external steam pipe, the other end of the air inlet pipe (4) is connected to the inside of the constant pressure tank (1), and a first one-way valve (41) is provided at the end of the air inlet pipe (4) near the constant pressure tank (1); an air outlet of the constant pressure tank (1) is connected to a first pipe (6), and a second solenoid valve (61) is provided at the end of the first pipe (6) near the constant pressure tank (1); a pressure control port is provided at the top of the constant pressure tank (1), the pressure control port is connected to a second pipe (8), and a third solenoid valve (81) is provided at the end of the second pipe (8) near the constant pressure tank (1); a first pressure sensor (15) is provided on the top wall of the constant pressure tank (1); The steam device (2) is provided with an air outlet at the upper end thereof, the air outlet being connected to the third pipe (9), and a second one-way valve (91) is provided at the end of the third pipe (9) near the steam device (2); The recovery tank (3) is a pressure tank. The air inlet of the recovery tank (3) is provided with a fourth pipe (10). One end of the fourth pipe (10) is connected to the second pipe (8) and the third pipe (9) via a tee (13). The other end of the fourth pipe (10) is connected to the inside of the recovery tank (3). A third one-way valve (101) is provided at the end of the fourth pipe (10) near the recovery tank (3). The air outlet pipe (14) of the recovery tank (3) is connected to an external device. A fifth solenoid valve (141) is provided at the end of the air outlet pipe (14) near the recovery tank (3). A second pressure sensor (16) is provided on the top wall of the recovery tank (3).

2. A pressure regulating and recovery device for a steam terminal according to claim 1, characterized in that: A first sewage discharge pipe (7) is provided at the bottom of the constant pressure tank (1), and a first sewage discharge valve (71) is provided on the first sewage discharge pipe (7).

3. A pressure regulating and recovery device for a steam terminal according to claim 1, characterized in that: A first pressure relief pipe (5) is provided at the upper end of the side wall of the constant pressure tank (1), the first pressure relief pipe (5) is connected to the interior of the constant pressure tank (1), and a first solenoid valve (51) is provided at the end of the first pressure relief pipe (5) close to the constant pressure tank (1).

4. A pressure regulating and recovery device for a steam terminal according to claim 1, characterized in that: A second sewage pipe (12) is provided at the bottom of the recovery tank (3), and a second sewage valve (121) is provided on the second sewage pipe (12).

5. A pressure regulating and recovery device for a steam terminal according to claim 1, characterized in that: A second pressure relief pipe (11) is provided at the top of the recovery tank (3), the second pressure relief pipe (11) is connected to the inside of the recovery tank (3), and a fourth solenoid valve (111) is provided at the end of the second pressure relief pipe (11) near the recovery tank (3).

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