Valve fireproof test device

Abstract

The utility model belongs to the technical field of valve fireproof tests, and discloses a valve fireproof test device which comprises a fireproof heat insulation box, a combustor is installed at the bottom of an inner cavity of the fireproof heat insulation box, a valve switch assembly is arranged above the combustor, and the valve switch assembly is installed on the fireproof heat insulation box. The fire-proof and heat-insulation box is arranged, flames are limited in the fire-proof and heat-insulation box, some fire hazards can be avoided, heat is isolated in the fire-proof and heat-insulation box, the influence of the high-temperature environment on workers is reduced, and the workers can be prevented from being scalded accidentally; according to the utility model, whether the valve leaks in the fire or not can be tested, whether the flow of the valve changes in the fire or not can also be tested, and the performance of the valve can be fully known.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve fire prevention test, in particular to a valve fire prevention test device. Background Art

[0002] Valves are devices used to control the direction, pressure, and flow of fluids in fluid systems. They are an important component of pipeline systems. In order to evaluate the safety performance of valves, valve fire tests are required.

[0003] The valve fire test is a test used to evaluate the pressure-bearing performance of the valve in the event of a fire. The verification is based on the internal and external leakage of the valve after the test. The current valve fire test device has a simple structure, and the flame is directly exposed to the outside, which poses a safety hazard and is likely to cause harm to the staff. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a valve fire protection test device. By setting up a fireproof insulation box and placing the flame therein, some safety hazards can be avoided. The setting of the fireproof insulation box is also not easy to cause burns to the staff, thus protecting the staff. Secondly, a valve switch assembly is set, which can switch the valve to test the performance of the valve in fire.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve fire prevention test device, comprising a fireproof insulation box, a burner is installed at the bottom of the inner cavity of the fireproof insulation box, a valve switch assembly is arranged above the burner, the valve switch assembly is installed on the fireproof insulation box, a water inlet pipe and a water outlet pipe are fixedly connected on the left and right sides of the fireproof insulation box, the end of the water inlet pipe close to the water outlet pipe is fixedly connected with a valve connecting flange, the end of the water inlet pipe away from the fireproof insulation box is connected to a water pump, the water pump is connected to a left water storage tank through a pipeline, the end of the water outlet pipe away from the fireproof insulation box is connected to a right water storage tank, a water inlet valve and a water outlet valve are respectively installed on the water inlet pipe and the water outlet pipe, a water inlet flowmeter and a water outlet flowmeter are respectively arranged on the side away from the water inlet valve and the water outlet valve, and the water inlet flowmeter and the water outlet flowmeter are respectively installed on the water inlet pipe and the water outlet pipe.

[0006] In the above technical solution, preferably, both the front and rear sides of the fireproof and heat-insulating box are equipped with fireproof and heat-insulating doors, and the fireproof and heat-insulating doors are equipped with handles and observation windows.

[0007] In the above technical solution, preferably, the valve switch assembly includes a driving motor, the driving motor is connected to a driving gear through a motor shaft, the driving gear is meshingly connected to a driven gear, the driven gear is connected to a telescopic rod through a rotating rod, the bottom of the telescopic rod is connected to a rotating frame, the bottom of the rotating frame is fixedly connected to a uniformly distributed fixing plate, and the fixing plate is provided with connecting bolts.

[0008] In the above technical solution, preferably, a protective shell is provided on the top of the fireproof and heat-insulating box, and the driving gear and the driven gear are both arranged in the protective shell.

[0009] In the above technical solution, preferably, the telescopic rod includes a square outer tube and a square inner rod, the top end of the square inner rod is arranged in the direction outer tube, and the top end size of the square inner rod is larger than the inner cavity size of the bottom end of the square outer tube.

[0010] In the above technical solution, preferably, the tops of the left water storage tank and the right water storage tank are both provided with movable covers, and the left water storage tank and the right water storage tank are both provided with liquid level windows.

[0011] In the above technical solution, preferably, a water inlet is provided on the movable cover on the top of the left water storage tank, and a drain outlet is provided on one side of the right water storage tank near the bottom.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model is provided with a fireproof insulation box to limit the flame therein, thereby avoiding some fire hazards, and isolating the heat in the fireproof insulation box to reduce the impact of the high temperature environment on the staff, thereby avoiding accidental scalding of the staff. Secondly, a valve switch assembly is provided to test the flow of the valve in the fire, detect how the flow of the valve changes in the fire, and further detect the performance of the valve. The utility model can test whether the valve will leak in the fire, and can also test whether the flow of the valve will change in the fire, which is conducive to fully understanding the performance of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall appearance of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the fireproof and heat-insulating box of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the water inlet pipe of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the water outlet pipe of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the valve switch assembly of the utility model.

[0019] In the figure: 1. Fireproof insulation box; 2. Burner;

[0020] 3. Valve switch assembly; 31. Driving motor; 32. Driving gear; 33. Driven gear; 34. Rotating rod; 35. Telescopic rod; 351. Square outer tube; 352. Square inner rod; 36. Rotating frame; 37. Fixing plate; 38. Connecting bolts;

[0021] 4. Water inlet pipe; 5. Water outlet pipe; 6. Valve connecting flange; 7. Water pump; 8. Water storage tank on the left; 9. Water storage tank on the right; 10. Water inlet valve; 11. Water outlet valve; 12. Water inlet flow meter; 13. Water outlet flow meter; 14. Fireproof insulation door; 15. Handle; 16. Observation window; 17. Protective shell; 18. Movable cover; 19. Liquid level window; 20. Water filling port; 21. Drain port. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 5 As shown, the utility model provides a valve fireproof test device, including a fireproof heat-insulating box 1, which limits the flame therein, can avoid some fire hazards, and isolates the heat in the fireproof heat-insulating box 1, reduces the impact of the high temperature environment on the staff, and can avoid accidental scalding of the staff. A burner 2 is installed at the bottom of the inner cavity of the fireproof heat-insulating box 1, and a valve switch assembly 3 is arranged above the burner 2. The valve switch assembly 3 is installed on the fireproof heat-insulating box 1. The left and right sides of the fireproof heat-insulating box 1 are respectively fixedly connected with a water inlet pipe 4 and a water outlet pipe 5. The water inlet pipe 4 A valve connecting flange 6 is fixedly connected to the end close to the water outlet pipe 5, a water pump 7 is connected to the end of the water inlet pipe 4 away from the fireproof insulation box 1, the water pump 7 is connected to the left water storage tank 8 through a pipeline, and the end of the water outlet pipe 5 away from the fireproof insulation box 1 is connected to the right water storage tank 9, and a water inlet valve 10 and a water outlet valve 11 are respectively installed on the water inlet pipe 4 and the water outlet pipe 5, and a water inlet flow meter 12 and a water outlet flow meter 13 are respectively provided on the side away from the water inlet valve 10 and the water outlet valve 11, and the water inlet flow meter 12 and the water outlet flow meter 13 are respectively installed on the water inlet pipe 4 and the water outlet pipe 5.

[0024] Specifically, fireproof insulation doors 14 are installed on both the front and rear sides of the fireproof insulation box 1 , and handles 15 and observation windows 16 are installed on the fireproof insulation doors 14 .

[0025] Furthermore, the valve switch assembly 3 includes a driving motor 31, which is connected to a driving gear 32 via a motor shaft, and the driving gear 32 is meshingly connected to a driven gear 33, and the driven gear 33 is connected to a telescopic rod 35 via a rotating rod 34, and the bottom of the telescopic rod 35 is connected to a rotating frame 36, and the bottom of the rotating frame 36 is fixedly connected to a uniformly distributed fixing plate 37, and the fixing plate 37 is provided with a connecting bolt 38. The valve switch assembly 3 can test the flow of the valve in the fire, detect how the flow of the valve changes in the fire, and further detect the performance of the valve. The utility model can test whether the valve will leak in the fire, and can also test whether the valve will change in the flow in the fire, which is conducive to fully understanding the performance of the valve.

[0026] Furthermore, a protective shell 17 is provided on the top of the fireproof heat insulation box 1 , and the driving gear 32 and the driven gear 33 are both provided in the protective shell 17 .

[0027] It is worth noting that the telescopic rod 35 includes a square outer tube 351 and a square inner rod 352 . The top end of the square inner rod 352 is arranged in the direction outer tube, and the top size of the square inner rod 352 is larger than the inner cavity size of the bottom end of the square outer tube 351 .

[0028] It is worth noting that a movable cover 18 is provided on the top of the left water storage tank 8 and the right water storage tank 9 , and a liquid level window 19 is provided on the left water storage tank 8 and the right water storage tank 9 .

[0029] It is worth mentioning that a water inlet 20 is provided on the movable cover 18 on the top of the left water storage tank 8, and a water outlet 21 is provided on one side of the right water storage tank 9 near the bottom.

[0030] Among them, the burner 2, the drive motor 31, and the water pump 7 are existing technologies and will not be described in detail; at the same time, the utility model also includes a power supply, a controller, and a switch, which are not the main technical points of this patent and will not be described in detail.

[0031] The working principle and use process of this utility model:

[0032] Open the fireproof insulation door 14 through the handle 15, connect the valve to be tested to the valve connecting flange 6, and then connect the water inlet pipe 4 and the water outlet pipe 5. Push the rotating frame 36 of the valve switch assembly 3 to make it on the top of the turning handle of the valve to be tested, and then rotate the connecting bolt 38 to connect it to the turning handle. After closing the fireproof insulation door 14, start the water pump 7, and the water in the left water storage tank 8 is introduced into the valve to be tested through the water pump 7 and the water inlet pipe 4, and then introduced into the right water storage tank 9 through the water outlet pipe 5. Close the water inlet valve 10 and the water outlet valve 11 to fill the valve to be tested with water. , start the burner 2, and the valve to be tested can be burned by flame. After a period of time, it is possible to observe whether there is water vapor at the position of the valve to be tested through the observation window 16 to determine whether there is a leakage, open the water inlet valve 10 and the water outlet valve 11, and start the drive motor 31 of the valve switch assembly 3, so that the active gear 32 drives the driven gear 33 to rotate, so as to drive the rotating rod 34, the telescopic rod 35, and the rotating frame 36 to rotate, and the turning handle of the valve to be tested can be driven to rotate, thereby opening and closing the valve to test whether the flow rate changes, so as to achieve the purpose of testing the valve performance.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve fire test device, comprising a fireproof insulation box (1), characterized in that: A burner (2) is installed at the bottom of the inner cavity of the fireproof heat insulation box (1), and a valve switch assembly (3) is provided above the burner (2). The valve switch assembly (3) is installed on the fireproof heat insulation box (1). The left and right sides of the fireproof heat insulation box (1) are respectively fixedly connected with a water inlet pipe (4) and a water outlet pipe (5). The end of the water inlet pipe (4) close to the water outlet pipe (5) is fixedly connected with a valve connecting flange (6). The end of the water inlet pipe (4) away from the fireproof heat insulation box (1) is connected to a water pump (7). The water pump ( 7) connected to the left water storage tank (8) through a pipeline, the end of the water outlet pipe (5) away from the fireproof insulation box (1) is connected to the right water storage tank (9), the water inlet pipe (4) and the water outlet pipe (5) are respectively installed with a water inlet valve (10) and a water outlet valve (11), and the side away from the water inlet valve (10) and the water outlet valve (11) are respectively provided with a water inlet flow meter (12) and a water outlet flow meter (13), and the water inlet flow meter (12) and the water outlet flow meter (13) are respectively installed on the water inlet pipe (4) and the water outlet pipe (5).

2. A valve fire test device according to claim 1, characterized in that: Fireproof insulation doors (14) are installed on both the front and rear sides of the fireproof insulation box (1), and a handle (15) and an observation window (16) are installed on the fireproof insulation door (14).

3. A valve fire test device according to claim 1, characterized in that: The valve switch assembly (3) comprises a driving motor (31), wherein the driving motor (31) is connected to a driving gear (32) via a motor shaft, wherein the driving gear (32) is meshingly connected to a driven gear (33), wherein the driven gear (33) is connected to a telescopic rod (35) via a rotating rod (34), wherein the bottom of the telescopic rod (35) is connected to a rotating frame (36), wherein the bottom of the rotating frame (36) is fixedly connected to evenly distributed fixing plates (37), wherein the fixing plates (37) are provided with connecting bolts (38).

4. A valve fire test device according to claim 3, characterized in that: A protective shell (17) is provided on the top of the fireproof heat insulation box (1), and the driving gear (32) and the driven gear (33) are both arranged in the protective shell (17).

5. A valve fire test device according to claim 3, characterized in that: The telescopic rod (35) comprises a square outer tube (351) and a square inner rod (352), the top end of the square inner rod (352) being arranged inside the telescopic outer tube, and the size of the top end of the square inner rod (352) being larger than the size of the inner cavity at the bottom end of the square outer tube (351).

6. A valve fire test device according to claim 1, characterized in that: The tops of the left water storage tank (8) and the right water storage tank (9) are both provided with movable covers (18), and the left water storage tank (8) and the right water storage tank (9) are both provided with liquid level windows (19).

7. A valve fire test device according to claim 6, characterized in that: A water inlet (20) is provided on the movable cover (18) at the top of the left water storage tank (8), and a water outlet (21) is provided on one side of the right water storage tank (9) near the bottom.

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