An adjustable automatic steam trap for thermal steam pipeline
By designing an automatic trap for adjustable thermal steam pipelines that eliminates slag discharge holes and sets automatic drainage ports, the problems of steam leakage and short life in the existing steam traps are solved, and efficient steam pipeline cleaning and long life use are achieved.
Patent Information
- Application Number
- CN202421511869.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing steam traps have problems such as large steam leakage and short life of the trap, which leads to waste of steam energy and congestion of pipelines.
An automatic trap for adjustable thermal steam pipes was designed, the slag discharge hole was cancelled, the drain port was set at the lower end of the trap, and a combination of a liquid level sensor and solenoid valve was used to achieve automatic drainage and control.
The trap is simple in structure, convenient in maintenance and long service life. It can effectively discharge residues in the steam pipeline, reduce the number of maintenance and improve work efficiency.
Smart Images
Figure CN222703074U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of steam traps, and in particular relates to an adjustable automatic steam trap for a thermal steam pipeline. Background Art
[0002] The basic function of steam traps is to discharge condensed water, air and carbon dioxide gas in the steam system as quickly as possible, while preventing steam leakage to the greatest extent possible. There are many types of traps, such as mechanical, thermostatic, thermodynamic, etc. However, whether it is a mechanical or thermal trap, whether it is an imported product or a domestic product, there are problems such as large steam leakage and short life of the trap, which leads to a large waste of steam energy.
[0003] The slag discharge holes of the existing steam traps are all set at the lower end of the steam traps. When discharging slag, manual slag discharge is mostly adopted. However, due to the large number of steam traps in the entire thermal pipeline system, manual slag discharge is easy to miss, causing pipeline blockage. Utility Model Content
[0004] In view of the problems existing in the background technology, the utility model provides an adjustable automatic steam trap for thermal steam pipelines, which has a drain port at the lower end of the trap and eliminates the slag discharge hole, thereby reducing the maintenance times or being maintenance-free for life and improving work efficiency.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable automatic steam trap for a thermal steam pipeline, comprising a valve body, a valve cover, a liquid level sensor, a solenoid valve and a pressure relief valve, wherein the valve body is a rectangular parallelepiped, and the upper end of the valve body is open; the interior of the valve body is provided with a left flow channel and a right cavity from left to right in sequence; the left flow channel is an "L"-shaped structure, and the left flow channel is connected to the lower end of the right cavity; an inlet pipe is provided on one side of the upper end of the valve body, and the inlet pipe is connected to the upper end of the left flow channel; an outlet pipe is provided on one side of the lower end of the valve body, and the outlet pipe is connected to the right end of the left flow channel, and a solenoid valve is provided on the end of the outlet pipe near the valve body; the valve cover is a flat plate, which is adapted to the upper end surface of the valve body, and the valve cover is connected to the upper end surface of the valve body, and a liquid level sensor and a pressure relief valve are provided on the upper end surface of the valve cover.
[0006] The pressure relief valve is communicated with the right cavity through an airway.
[0007] The liquid level sensor is installed in the installation hole of the valve cover through a sealing ring, and the sensing head of the liquid level sensor is located at the upper end of the right cavity.
[0008] The water inlet of the water inlet pipe is provided with a water inlet flange.
[0009] The water outlet of the water outlet pipe is provided with a water outlet flange.
[0010] A sealing gasket is arranged between the valve body and the valve cover.
[0011] The beneficial effects of the utility model are as follows: the utility model provides an adjustable automatic steam trap for a thermal steam pipeline, which has a simple structure, is easy to maintain, has a long service life, and is adjustable and controllable; the drain port of the steam trap is located at the lower end of the steam trap, which can effectively discharge residues in the steam pipeline, can reduce the number of maintenance times or be maintenance-free for life, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a front cross-sectional view of the utility model.
[0013] Figure 2 It is a top view of the utility model.
[0014] Figure 3 This is the AA section view.
[0015] Figure 4 This is the BB cross-sectional view.
[0016] In the figure: 1, valve body, 11, left flow channel, 12, right cavity, 2, valve cover, 3, liquid level sensor, 4, solenoid valve, 5, sealing ring, 6, pressure relief valve, 7, water inlet pipe, 71, water inlet flange, 8, water outlet pipe, 81, water outlet flange, 9, sealing gasket, 10, air channel. DETAILED DESCRIPTION
[0017] 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.
[0018] The specific implementation of the utility model is further elaborated in detail below in conjunction with the accompanying drawings: an adjustable automatic steam trap for thermal steam pipelines, comprising a valve body 1, a valve cover 2, a liquid level sensor 3, a solenoid valve 4 and a pressure relief valve 6, wherein the valve body 1 is a rectangular parallelepiped, and the upper end of the valve body 1 is open; the interior of the valve body 1 is provided with a left flow channel 11 and a right cavity 12 from left to right; the left flow channel 11 is an "L"-shaped structure, and the left flow channel 11 is connected to the lower end of the right cavity 12; in actual use, the bend of the left flow channel 11 is an arc transition, so that water can flow out quickly, and the water can flow out with residue at the same time; a water inlet pipe 7 is provided on one side of the upper end of the valve body 1, and the water inlet pipe 7 It is connected to the upper end of the left flow channel 11; a water outlet pipe 8 is provided on one side of the lower end of the valve body 1, and the water outlet pipe 8 is connected to the right end of the left flow channel 11, and a solenoid valve 4 is provided at the end of the water outlet pipe 8 near the valve body 1; the water inlet of the water inlet pipe 7 is provided with a water inlet flange 71, and the water inlet flange 71 is for the convenience of connecting with an external pipeline; the water outlet of the water outlet pipe 8 is provided with a water outlet flange 81, and the water outlet flange 81 is for the convenience of connecting with an external pipeline; the valve cover 2 is a flat plate, the valve cover 2 is adapted to the upper end face of the valve body 1, the valve cover 2 is connected to the upper end face of the valve body 1, and a sealing gasket 9 is provided between the valve body 1 and the valve cover 2, and the sealing gasket 9 is made of soft material, and the sealing gasket 9 makes the valve body 1 and the valve cover 2 The valve cover 2 is a flat plate, and the valve cover 2 and the valve body 1 can be connected by bolts. In actual use, the valve cover 2 and the valve body 1 can also be connected in other ways, such as snap-on connection. A liquid level sensor 3 and a pressure relief valve 6 are provided on the upper end surface of the valve cover 2. The liquid level sensor 3 is installed in the mounting hole of the valve cover 2 through a sealing ring 5, and the sensing head of the liquid level sensor 3 is located at the upper end of the right cavity 12. The liquid level sensor 3 is used to monitor the liquid level in the right cavity 12. When the liquid level reaches the set height of the liquid level sensor 3, the solenoid valve 4 is opened for a certain time, and the opening time can be controlled by the control system. For example, if the valve body 1 It takes 1s for the water to flow out. At this time, if the set time is equal to 1s, the water will just flow out, and the steam in the steam pipe will not flow out; if the opening time is less than 1s, a certain amount of water will remain in the valve body 1, and the steam in the steam pipe will not flow out; if the opening time is greater than 1s, all the water in the valve body 1 will flow out, and a part of the steam in the steam pipe will flow out. This part of the steam will flush the bottom of the valve body 1 during the outflow process to avoid residue at the bottom of the valve body 1; the pressure relief valve 6 is connected to the right cavity 12 through the airway 10; the function of the pressure relief valve 6 is to discharge the air at the upper end of the cavity 12 to avoid excessive air pressure at the upper end of the right cavity 12.
[0019] The use process of the utility model is as follows: first, the steam trap is installed at the position at the lower end of the steam pipe where drainage and sewage discharge are required, and the opening time of the solenoid valve 4 is adjusted; the working process of the steam trap is: first, the water in the steam pipe flows into the left flow channel 11 in the valve body 1 from the water inlet pipe 7, the water in the left flow channel 11 enters the right cavity 12 from the lower end of the right cavity 12, and the air at the upper end of the right cavity 12 flows out from the pressure relief valve 6 at the upper end of the right cavity 12, so that the water level in the left flow channel 11 and the right cavity 12 are the same; when the water level rises to a certain height, the liquid level sensor 3 is triggered, the solenoid valve 4 is opened, and the water in the valve body 1 quickly flows out from the water outlet pipe 8. After the water flows out, the solenoid valve 4 is automatically closed and waits for the next trigger; this is repeated, thereby achieving the purpose of discharging water and residue in the steam pipe.
[0020] 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.
[0021] The parts not described in detail in this utility model are prior art.
Claims
1. An adjustable automatic steam trap for a thermal steam pipeline, comprising a valve body (1), a valve cover (2), a liquid level sensor (3), a solenoid valve (4) and a pressure relief valve (6), wherein: The valve body (1) is a rectangular parallelepiped, and the upper end of the valve body (1) is open; the interior of the valve body (1) is provided with a left flow channel (11) and a right cavity (12) from left to right; the left flow channel (11) is an "L"-shaped structure, and the lower end of the left flow channel (11) is connected to the right cavity (12); an inlet pipe (7) is provided on one side of the upper end of the valve body (1), and the inlet pipe (7) is connected to the upper end of the left flow channel (11); a water outlet pipe (8) is provided on one side of the lower end of the valve body (1), and the water outlet pipe (8) is connected to the right end of the left flow channel (11), and a solenoid valve (4) is provided at the end of the water outlet pipe (8) near the valve body (1); the valve cover (2) is a flat plate, and the valve cover (2) is adapted to the upper end surface of the valve body (1), and the valve cover (2) is connected to the upper end surface of the valve body (1), and a liquid level sensor (3) and a pressure relief valve (6) are provided on the upper end surface of the valve cover (2).
2. According to claim 1, an adjustable automatic steam trap for thermal steam pipelines is characterized by: The pressure relief valve (6) is connected to the right cavity (12) via the air passage (10).
3. The adjustable automatic steam trap for thermal steam pipeline according to claim 1 is characterized by: The liquid level sensor (3) is installed in the installation hole of the valve cover (2) through the sealing ring (5), and the sensing head of the liquid level sensor (3) is located at the upper end of the right cavity (12).
4. The adjustable automatic steam trap for thermal steam pipeline according to claim 1 is characterized by: The water inlet of the water inlet pipe (7) is provided with a water inlet flange (71).
5. The adjustable automatic steam trap for thermal steam pipeline according to claim 1 is characterized by: The water outlet of the water outlet pipe (8) is provided with a water outlet flange (81).
6. The adjustable automatic steam trap for thermal steam pipeline according to claim 1, characterized in that: A sealing gasket (9) is provided between the valve body (1) and the valve cover (2).