Temperature-controllable efficient energy-saving drain valve

Abstract

The invention discloses a temperature-controllable efficient energy-saving drain valve which comprises a valve body, a water inlet, a water outlet and an emptying structure. After condensate water enters the water inlet pipe and the water inlet, the water level in the water inlet pipe and the water inlet rises and is discharged completely, some steam and condensate water still remain at the bottom of the semicircular floating ball cavity, the heat conduction pipe is controlled to be started externally for heating, and the residual steam and condensate water are continuously heated until the residual water is heated completely; by means of the structure, the interior of the bottom of the floating ball cavity is kept dry and free of residues when the bottom of the floating ball cavity is not used after standing, condensate water is prevented from being retained in the floating ball cavity, the temperature of the condensate water can be continuously guaranteed in the emptying process on the premise that the condensate water is reserved, and the temperature of the condensate water is controlled; after condensate water enters the valve body from the water inlet pipe, the water level in the floating ball cavity rises, the hollow floating ball also rises along with the floating ball to gradually open the drain valve, if the amount of the condensate water is reduced, the overall air blocking and drainage effect of the valve body is effectively improved, the energy-saving effect of the valve body can also be improved, and then the use performance of the valve body is improved.

Description

Technical Field

[0001] The invention relates to the technical field of steam traps, in particular to a temperature-controllable, high-efficiency and energy-saving steam trap. Background Art

[0002] Steam trap is called steam trap, also called automatic drainer or condensate drainer. It is divided into steam system and gas system. Steam trap is installed at the terminal of the steam-heated pipeline. Its function is to continuously discharge the condensate in the steam-heated pipeline to the outside of the pipeline. Steam trap can be divided into three types according to different working principles: mechanical type, thermostatic type and thermodynamic type. Mechanical steam traps include free float type, free semi-float type, lever float type, inverted bucket type, etc.

[0003] The technical problem to be solved by the present invention is that after long-term use, steam and condensed water are likely to remain in the valve cavity of the existing float-type steam trap. After certain emptying measures are taken, some water stains of steam and condensed water will still remain inside the valve cavity, which cannot be completely removed and may easily affect the devices inside the valve cavity. It is also impossible to control the temperature of the steam and condensed water during the emptying process. Therefore, the existing steam trap needs further improvement. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a temperature-controllable, high-efficiency and energy-saving steam trap, comprising a valve body, a water inlet, a water outlet and an emptying structure, a nameplate is fixedly attached to the front end face of the valve body, a water inlet is connected to the left side of the top end of the valve body, a water outlet is connected to the right side of the top end of the valve body, and a semicircular float cavity is provided inside the valve body, an inlet pipe is connected between the water inlet and the valve body, a water outlet pipe is connected between the water outlet and the valve body, and an inlet filter screen and an outlet filter screen are respectively arranged inside the inlet pipe and the outlet pipe, and a heat conduction groove is provided on the bottom side of the float cavity, a heat conduction pipe is linearly connected inside the heat conduction groove, and an emptying structure is provided on one side of the float cavity.

[0005] As a preferred solution of the temperature-controllable, high-efficiency and energy-saving steam trap described in the present invention, the emptying structure includes a hollow float, an emptying valve, an emptying seat and a water supply valve; an emptying seat is provided on one side of the interior of the semicircular float cavity, a drainage cavity is opened on the lower side of the interior of the emptying seat, and the drainage cavity is connected to the water outlet pipe, and the outer end of the emptying seat is elastically connected to the drain valve.

[0006] As a preferred solution of the temperature-controllable, high-efficiency and energy-saving steam trap described in the present invention, a top block is movably embedded at the right end of the bottom side of the float chamber, and a threaded rod is fixedly connected to the lower end of the top block, a threaded seat is arranged between the threaded rod and the lower side of the top block and the valve body, and a sealing type is formed between the threaded seat and the valve body.

[0007] As a preferred solution of the temperature-controllable, high-efficiency and energy-saving steam trap described in the present invention, a blocking end is provided at the middle position of one end of the drain valve close to the drain seat, and an exhaust hole corresponding to the blocking end is provided on the inner side of the drain seat, and a drain cavity is provided on the inner side of the drain seat.

[0008] As a preferred solution of the temperature-controllable, high-efficiency and energy-saving steam trap described in the present invention, the lower end of the drain cavity is connected to a water delivery cavity, a movable rotating shaft is movably connected to the front outer end of the water delivery cavity, and a water delivery valve is movably connected to the movable rotating shaft, a connecting rod is provided on the outer side of the water delivery valve, and a hollow float is fixedly connected to the connecting rod.

[0009] The beneficial effects of the present invention are as follows: after condensed water enters the water inlet pipe and the water inlet, the water level inside the water inlet rises and is completely discharged, some steam and condensed water will still remain at the bottom of the semicircular float chamber. If the valve body needs to be left standing for a period of time at this time, the steam and condensed water remaining at the bottom of the float chamber cannot be emptied. At this time, the threaded rod of the knob threaded seat is loosened to drive the top block to move upward to discharge the remaining steam and condensed water or flow to the top of the heat transfer pipe, and the heat transfer pipe is started by external control to heat, and the remaining steam and condensed water are continuously heated until the remaining water is heated, so that the bottom of the float chamber remains dry and free of residue during the period of standing still and not in use, and condensed water is prevented from being retained in the float chamber. Under the premise of reserving condensed water, the temperature of the condensed water during the emptying process can be continuously guaranteed, and the temperature of the condensed water can be controlled. The water inlet filter can effectively remove and filter the introduced steam and condensed water, and can effectively prevent impurities from being introduced into the valve body and causing blockage inside the valve body. After condensed water enters the valve body from the water inlet pipe, the water level in the float cavity rises, and the hollow float also rises accordingly to gradually open the steam trap. If the amount of condensed water decreases, steam will enter the float cavity. When the hollow float drops to the lowest point, the steam trap can be tightly closed, and the drain valve is also closed at the same time to prevent steam leakage, effectively improving the overall steam-blocking and water-draining effect of the valve body, and also improving the energy-saving effect of the valve body, thereby improving the performance of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the external structure in the embodiment of the present disclosure.

[0011] Figure 2 It is a structural schematic diagram of the internal cross section in an embodiment of the present disclosure.

[0012] Figure 3 It is a schematic diagram of the structure of the drain valve in the embodiment of the present disclosure.

[0013] Figure 4 It is a schematic diagram of a partially enlarged structure in an embodiment of the present disclosure.

[0014] Figure 5Schematic diagram of the structure of the heat pipe in the embodiment of the present disclosure.

[0015] Figure 6 It is a schematic diagram of the structure at A in the embodiment of the present disclosure.

[0016] Figure markings: 1-valve body, 2-nameplate, 3-water inlet, 4-water outlet, 5-float chamber, 6-hollow float, 7-water inlet pipe, 8-water inlet filter, 9-water inlet chamber, 10-drain chamber, 11-water outlet pipe, 12-water outlet filter, 13-top block, 14-heat conduction groove, 15-heat conduction pipe, 16-drain valve, 17-drain seat, 18-vent, 19-blocking end, 20-drain chamber, 21-movable rotating shaft, 22-water delivery chamber, 23-water delivery valve, 24-spiral seat, 25-threaded rod, 26-connecting rod. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Example 1

[0018] Reference Figure 1 , 2 The embodiment provides a temperature-controllable, high-efficiency, and energy-saving steam trap, comprising a valve body 1, a water inlet 3, a water outlet 4, and an emptying structure. The front end surface of the valve body 1 is fixedly attached with a nameplate 2, the left side of the top of the valve body 1 is connected with the water inlet 3, the right side of the top of the valve body 1 is connected with the water outlet 4, and a semicircular float cavity 5 is provided inside the valve body 1, an inlet pipe 7 is connected between the water inlet 3 and the valve body 1, and an outlet pipe 11 is connected between the water outlet 4 and the valve body 1, and the inlet pipe 7 and the outlet pipe 11 are connected. The interior of 11 is respectively sleeved with an inlet filter 8 and an outlet filter 12, and a heat conduction groove 14 is opened at the bottom side of the float chamber 5, and a heat conduction pipe 15 is linearly connected to the inside of the heat conduction groove 14, and an emptying structure is arranged on one side of the interior of the float chamber 5, and a top block 13 is movably embedded at the right end of the bottom side of the float chamber 5, and a threaded rod 25 is fixedly connected to the lower end of the top block 13, and a threaded seat 24 is arranged between the threaded rod 25 and the lower side of the top block 13 and the valve body 1, and the threaded seat 24 and the valve body 1 are sealed.

[0019] After the condensed water enters the water inlet pipe 7 and the water inlet 3, the water level inside rises and is discharged. Some steam and condensed water will still remain at the bottom of the semicircular float chamber 5. If the valve body 1 needs to be left still for a period of time at this time, the steam and condensed water remaining at the bottom of the float chamber 5 cannot be emptied. At this time, the knob threaded seat 24 loosens the threaded rod 25 to drive the top block 13 to move upward to discharge the remaining steam and condensed water or flow to the top of the heat pipe 15. The heat pipe 15 is started by external control for heating, and the remaining steam and condensed water are continuously heated until the remaining water is heated, so that the bottom of the float chamber 5 remains dry and free of residue during the period of standing still and not in use, preventing condensed water from being retained in the float chamber 5. On the premise of reserving condensed water, the temperature of the condensed water during the emptying process can be continuously guaranteed, and the temperature of the condensed water can be controlled. The water inlet filter 8 can effectively remove impurities and filter the introduced steam and condensed water, and can effectively prevent impurities from being introduced into the valve body 1 and causing blockage inside the valve body. Example 2

[0020] Reference Figures 3 to 6 This embodiment is based on the previous embodiment, and is different from the previous embodiment in that the emptying structure includes a hollow float 6, an emptying valve 16, an emptying seat 17 and a water delivery valve 23; an emptying seat 17 is provided on one side of the interior of the semicircular float cavity 5, a drainage cavity 10 is provided on the lower side of the interior of the emptying seat 17, and the drainage cavity 10 is connected to the water outlet pipe 11, and the outer end of the emptying seat 17 is elastically connected to the emptying valve 16, and the emptying valve 16 is close to the emptying seat 17. A blocking end 19 is provided at the middle position of the end, and an exhaust hole 18 corresponding to the blocking end 19 is provided on the inner side of the emptying seat 17, and an emptying cavity 20 is provided on the inner side of the emptying seat 17. The lower end of the emptying cavity 20 is connected with a water delivery cavity 22. A movable rotating shaft 21 is movably connected to the front outer end of the water delivery cavity 22, and a water delivery valve 23 is movably connected to the movable rotating shaft 21. A connecting rod 26 is provided on the outer side of the water delivery valve 23, and a hollow float 6 is fixedly connected to the connecting rod 26.

[0021] After the condensed water enters the valve body 1 from the water inlet pipe 7, the water level in the float chamber 5 rises, and the hollow float 6 also rises accordingly to gradually open the steam trap 23. If the amount of condensed water decreases, steam will enter the float chamber 5. When the hollow float 6 drops to the lowest point, the steam trap 23 can be tightly closed, and the drain valve 16 is also closed at the same time to prevent steam leakage, thereby effectively improving the overall air-blocking and drainage effect of the valve body 1, and also improving the energy-saving effect of the valve body 1, thereby improving the performance of the valve body 1.

Claims

1. A temperature-controllable, high-efficiency, energy-saving steam trap, comprising a valve body (1), a water inlet (3), a water outlet (4) and an emptying structure, characterized in that: The front end surface of the valve body (1) is fixedly attached with a nameplate (2), the left side of the top end of the valve body (1) is connected to a water inlet (3), the right side of the top end of the valve body (1) is connected to a water outlet (4), and a semicircular float cavity (5) is provided inside the valve body (1), a water inlet pipe (7) is connected between the water inlet (3) and the valve body (1), a water outlet pipe (11) is connected between the water outlet (4) and the valve body (1), and a water inlet filter (8) and a water outlet filter (12) are respectively sleeved inside the water inlet pipe (7) and the water outlet pipe (11), and a heat conduction groove (14) is provided on the bottom side of the float cavity (5), the heat conduction groove (14) is linearly connected to a heat conduction pipe (15), and a drain structure is provided on one side of the float cavity (5).

2. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 1, characterized in that: The drain structure comprises a hollow float (6), a drain valve (16), a drain seat (17) and a water delivery valve (23); the drain seat (17) is arranged on one side of the interior of the semicircular float cavity (5); a drainage cavity (10) is provided on the lower side of the interior of the drain seat (17); the drainage cavity (10) is connected to the water outlet pipe (11); and the drain valve (16) is elastically connected to the outer end of the drain seat (17).

3. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 1, characterized in that: A top block (13) is movably embedded at the right end of the bottom side of the float chamber (5), and a threaded rod (25) is fixedly connected to the lower end of the top block (13).

4. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 2, characterized in that: A blocking end (19) is provided at a middle position of one end of the drain valve (16) close to the drain seat (17).

5. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 2, characterized in that: An exhaust hole (18) corresponding to the cut-off end (19) is provided on the inner side of the drain seat (17), and a drain cavity (20) is provided on the inner side of the drain seat (17).

6. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 3, characterized in that: A threaded seat (24) is provided between the threaded rod (25) and the lower side of the top block (13) and the valve body (1) so as to penetrate therethrough, and a sealing type is formed between the threaded seat (24) and the valve body (1).

7. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 5, characterized in that: The lower end of the drain cavity (20) is connected to a water delivery cavity (22), a front outer end of the water delivery cavity (22) is movably connected to a movable shaft (21), and a water delivery valve (23) is movably connected to the movable shaft (21).

8. The temperature-controllable, high-efficiency, energy-saving steam trap according to claim 7, characterized in that: A connecting rod (26) is provided on the outside of the water delivery valve (23), and a hollow floating ball (6) is fixedly connected to the connecting rod (26).

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