Hot blast valve protection structure

Abstract

The utility model discloses a hot blast valve protection structure which comprises a hot blast valve, a protection mechanism used for protecting the hot blast valve is arranged on the outer wall of the hot blast valve, the protection mechanism comprises a protection shell spliced and assembled to the outer wall of the hot blast valve, the protection shell is arranged to be a water storage cavity used for storing cooling water, and the upper portion of the water storage cavity is connected with a water inlet tank through a water inlet pipe. The lower portion of the water storage cavity is connected with a backflow water tank through a backflow pipe, the backflow water tank is connected with the water inlet tank through a commutation mechanism, a first water pump is installed on the water inlet tank, a water inlet of the first water pump is communicated with the water inlet tank, and a water outlet of the first water pump is connected with the water inlet pipe. According to the hot blast valve, the protective mechanism is arranged, so that the hot blast valve can be well protected, the risk that the hot blast valve is accidentally cracked up in the using process is avoided, the situation that normal use of the hot blast valve is affected due to the fact that the temperature of the hot blast valve is too high can be avoided, and the service life of the hot blast valve is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hot air valves, in particular to a hot air valve protection structure. Background Art

[0002] The hot air valve is installed on the hot air pipe of the blast furnace hot air stove system to control the opening and closing of the hot air stove pipeline during the combustion and air supply periods. The hot air valve is suitable for the hot air pipe of the blast furnace hot air stove system, and is also suitable for the hot air pipe of other industrial kilns and heating furnaces. It can cut off high-temperature air, gas and flue gas. The hot air valve can be driven by a hand-cranked chain, a hydraulic chain or an electric chain.

[0003] During the use of the current hot air valve protection structure, cooling water is mostly used to cool the hot air valve. However, the water temperature will rise after long-term use, which will affect the cooling effect of the water and thus affect the service life of the hot air valve. Utility Model Content

[0004] In order to solve the defects in the prior art, the utility model provides a hot air valve protection structure.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a hot air valve protection structure, comprising a hot air valve, wherein the outer wall of the hot air valve is provided with a protection mechanism for protecting the hot air valve, the protection mechanism comprises a protection shell spliced ​​and assembled to the outer wall of the hot air valve, the protection shell is arranged as a water storage chamber for storing cooling water, the upper part of the water storage chamber is connected with a water inlet tank via a water inlet pipe, the lower part of the water storage chamber is connected with a reflux water tank via a reflux pipe, the reflux water tank and the water inlet tank are connected via a flow conversion mechanism, and a first water pump is installed on the water inlet tank, the water inlet of the first water pump is communicated with the water inlet tank, the water outlet of the first water pump is connected with the water inlet pipe, a second water pump is installed on the reflux water tank, the water inlet of the second water pump is communicated with the reflux water tank, and the water outlet of the second water pump is connected with the reflux pipe.

[0007] As a preferred technical solution of the utility model, the protective shell includes a first shell and a second shell, and the first shell and the second shell are connected via a plurality of connecting members.

[0008] As a preferred technical solution of the utility model, the connecting member includes a first locking plate arranged on the first shell and a second locking plate arranged on the second shell and corresponding to the first locking plate.

[0009] As a preferred technical solution of the utility model, a plug-in block is provided at one end of the first locking plate, a connecting hole for the plug-in block to pass through is opened on the second locking plate, a spring limit pin is embedded on the plug-in block, and a positioning plate is provided on the second locking plate, and a limiting hole matching the telescopic end of the spring limit pin is provided on the positioning plate.

[0010] As a preferred technical solution of the utility model, the return water tank is arranged at the bottom end of the water inlet tank via a support column.

[0011] As a preferred technical solution of the utility model, the flow conversion mechanism includes a conversion water tank arranged at the top of the water inlet tank, a third water pump is installed on the return water tank, and the water inlet of the third water pump is connected to the return water tank through a connecting pipe.

[0012] As a preferred technical solution of the utility model, the bottom end of the conversion water tank is provided with a water pipe connected to the water inlet tank, and a solenoid valve is installed on the water pipe.

[0013] As a preferred technical solution of the utility model, electronic refrigeration blocks are installed on both the conversion water tank and the return water tank.

[0014] The beneficial effects of the utility model are:

[0015] This kind of hot air valve protection structure can play a good protective role for the hot air valve through the protective mechanism, which not only avoids the risk of the hot air valve being accidentally damaged during use, but also avoids the hot air valve from being affected by normal use due to excessive temperature, thereby ensuring the service life of the hot air valve; wherein, the water storage chamber inside the protective shell can be used to store cooling water to cool the hot air valve, and after the water temperature inside the water storage chamber rises, the second water pump works to pump the water inside the water storage chamber back to the inside of the reflux water tank through the reflux pipe, and the first water pump pumps the cooling water inside the water inlet tank into the water storage chamber through the water inlet pipe for replenishment, thereby ensuring that the water temperature inside the water storage chamber is always low to cool the hot air valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a structural schematic diagram of a hot air valve protection structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the first shell structure of a hot air valve protection structure of the utility model;

[0019] Figure 3 The utility model is a hot air valve protection structure Figure 1Schematic diagram of the partially enlarged structure.

[0020] In the figure: 1. hot air valve; 2. protection mechanism; 3. protection shell; 4. water storage chamber; 5. water inlet pipe; 6. water inlet tank; 7. return pipe; 8. return water tank; 9. conversion mechanism; 10. first water pump; 11. second water pump; 12. first shell; 13. second shell; 14. first locking plate; 15. second locking plate; 16. plug-in block; 17. spring limit latch; 18. positioning plate; 19. support column; 20. conversion water tank; 21. conversion water tank; 22. connecting pipe; 23. water pipe; 24. solenoid valve; 25. electronic refrigeration block. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0022] Example: Figure 1 , Figure 2 and Figure 3 As shown, the utility model is a hot air valve protection structure, comprising a hot air valve 1, the outer wall of the hot air valve 1 is provided with a protection mechanism 2 for protecting the hot air valve 1, the protection mechanism 2 comprises a protection shell 3 spliced ​​and assembled to the outer wall of the hot air valve 1, the protection shell 3 is arranged as a water storage chamber 4 for storing cooling water, the upper part of the water storage chamber 4 is connected to a water inlet tank 6 via a water inlet pipe 5, the lower part of the water storage chamber 4 is connected to a return water tank 8 via a return pipe 7, the return water tank 8 is connected to the water inlet tank 6 via a flow conversion mechanism 9, and a first water pump 10 is installed on the water inlet tank 6, the water inlet of the first water pump 10 is communicated with the water inlet tank 6, the water outlet of the first water pump 10 is connected to the water inlet pipe 5, a second water pump 11 is installed on the return water tank 8, the water inlet of the second water pump 11 is communicated with the return water tank 8, and the water outlet of the second water pump 11 is connected to the return pipe 7.

[0023] The protective housing 3 includes a first housing 12 and a second housing 13, and the first housing 12 and the second housing 13 are connected via a plurality of connectors, wherein the connectors include a first locking plate 14 provided on the first housing 12 and a second locking plate 15 provided on the second housing 13 and corresponding to the first locking plate 14, a plug-in block 16 is provided at one end of the first locking plate 14, a connecting hole for the plug-in block 16 to pass through is provided on the second locking plate 15, a spring limit pin 17 is embedded on the plug-in block 16, and a fixed stop pin 17 is provided on the second locking plate 15. The positioning plate 18 is provided with a limiting hole matching the telescopic end of the spring limiting pin 17. When the first locking plate 14 and the second locking plate 15 are locked, the first locking plate 14 and the second locking plate 15 are close to each other, and the plug-in block 16 passes through the connecting hole. Under the action of the elastic potential energy of the spring limiting pin 17, the telescopic end of the spring limiting pin 17 is inserted into the limiting hole, and the locking of the first locking plate 14 and the second locking plate 15 can be completed, so that the first shell 12 and the second shell 13 can be installed to the outside of the hot air valve 1.

[0024] Among them, the reflux water tank 8 is arranged at the bottom end of the water inlet tank 6 through the support column 19, the flow conversion mechanism 9 includes a conversion water tank 20 arranged at the top of the water inlet tank 6, a third water pump 21 is installed on the reflux water tank 8, and the water inlet of the third water pump 21 is connected with the reflux water tank 8 through a connecting pipe 22. The bottom end of the conversion water tank 20 is provided with a water pipe 23 connected with the water inlet tank 6, and a solenoid valve 24 is installed on the water pipe 23. When the third water pump 21 works, the water inside the reflux water tank 8 is pumped back to the inside of the conversion water tank 20. By controlling the solenoid valve 24, the water inside the conversion water tank 20 can be discharged to the inside of the water inlet tank 6.

[0025] Wherein, the conversion water tank 20 and the return water tank 8 are both installed with electronic refrigeration blocks 25 to cool the water.

[0026] When working, this kind of hot air valve 1 protection structure can play a good protective role for the hot air valve 1 through the protective mechanism 2, which not only avoids the risk of the hot air valve 1 being accidentally damaged during use, but also avoids the hot air valve 1 from being affected by the normal use of the hot air valve 1 due to excessive temperature, thereby ensuring the service life of the hot air valve 1; wherein, the water storage chamber 4 inside the protective shell 3 can be used to store cooling water to cool the hot air valve 1, and after the water temperature inside the water storage chamber 4 rises, the second water pump 11 works to pump the water inside the water storage chamber 4 back to the inside of the reflux water tank 8 through the reflux pipe 7, and the first water pump 10 pumps the cooling water inside the water inlet tank 6 into the water storage chamber 4 through the water inlet pipe 5 for replenishment, thereby ensuring that the water temperature inside the water storage chamber 4 is always low to cool the hot air valve 1.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hot air valve protection structure, comprising a hot air valve (1), characterized in that: The outer wall of the hot air valve (1) is provided with a protection mechanism (2) for protecting the hot air valve (1), the protection mechanism (2) comprises a protection shell (3) assembled to the outer wall of the hot air valve (1), the protection shell (3) is provided as a water storage chamber (4) for storing cooling water, the upper part of the water storage chamber (4) is connected to a water inlet tank (6) via a water inlet pipe (5), the lower part of the water storage chamber (4) is connected to a return water tank (8) via a return pipe (7), the return water tank (8) is connected to The water inlet tank (6) is connected via a flow conversion mechanism (9), and a first water pump (10) is installed on the water inlet tank (6), the water inlet of the first water pump (10) is connected to the water inlet tank (6), and the water outlet of the first water pump (10) is connected to the water inlet pipe (5); a second water pump (11) is installed on the return water tank (8), the water inlet of the second water pump (11) is connected to the return water tank (8), and the water outlet of the second water pump (11) is connected to the return pipe (7).

2. A hot air valve protection structure according to claim 1, characterized in that: The protective shell (3) comprises a first shell (12) and a second shell (13), and the first shell (12) and the second shell (13) are connected via a plurality of connecting parts.

3. A hot air valve protection structure according to claim 2, characterized in that: The connecting member comprises a first locking plate (14) arranged on a first housing (12) and a second locking plate (15) arranged on a second housing (13) and corresponding to the first locking plate (14).

4. A hot air valve protection structure according to claim 3, characterized in that: A plug-in block (16) is provided at one end of the first locking plate (14); a connecting hole for the plug-in block (16) to pass through is provided on the second locking plate (15); a spring limit pin (17) is embedded on the plug-in block (16); a positioning plate (18) is provided on the second locking plate (15); and a limit hole matching the telescopic end of the spring limit pin (17) is provided on the positioning plate (18).

5. A hot air valve protection structure according to claim 1, characterized in that: The return water tank (8) is arranged at the bottom end of the water inlet tank (6) via a support column (19).

6. A hot air valve protection structure according to claim 1, characterized in that: The flow conversion mechanism (9) comprises a conversion water tank (20) arranged at the top of the water inlet tank (6), a third water pump (21) is installed on the return water tank (8), and the water inlet of the third water pump (21) is connected to the return water tank (8) through a connecting pipe (22).

7. A hot air valve protection structure according to claim 6, characterized in that: The bottom end of the conversion water tank (20) is provided with a water pipe (23) connected to the water inlet tank (6), and a solenoid valve (24) is installed on the water pipe (23).

8. A hot air valve protection structure according to claim 7, characterized in that: The conversion water tank (20) and the return water tank (8) are both equipped with an electronic refrigeration block (25).

Images