Coke-oven gas compressor buffer tank root valve structure

Abstract

The utility model relates to the technical field of coke-oven gas compressor root valves, and discloses a coke-oven gas compressor buffer tank root valve structure which comprises a valve body and an input pipe, an opening and closing assembly is fixedly arranged in the middle of the inner bottom face of the valve body, a threaded groove is formed in the upper portion of the inner side of the input pipe, and sliding grooves are formed in the lower portions of the two sides in the input pipe. Buffering assemblies are fixedly arranged on the two sides of the inner bottom face of the input pipe, bearing plates are fixedly arranged at the upper ends of the two buffering assemblies, sliding blocks are fixedly arranged in the middles of the two sides of each bearing plate, first sealing rings are fixedly arranged at the lower ends of the two bearing plates, and each opening and closing assembly comprises a containing groove, two limiting rods, a lifting plate and a driving motor. A lead screw is fixedly arranged at the output end of the driving motor, and a bearing sleeve is fixedly arranged on the inner side of the lifting plate. According to the valve body connecting structure, gas leakage caused by damage to the connecting position when the valve body is connected is prevented, manpower and time are saved, and the control efficiency of the valve body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of root valves for coke oven gas compressors, in particular to a root valve structure for a buffer tank of a coke oven gas compressor. Background Art

[0002] Coke oven gas compressor is a kind of equipment specially used for compressing coke oven gas. Coke oven gas is a by-product produced in the coke oven production process. It is mainly composed of carbon monoxide, hydrogen and methane. It has the characteristics of high temperature, high pressure and flammability. The lower end of the coke oven gas compressor equipment is usually equipped with a root valve. This valve is usually called a bottom valve and a bottom drain valve. Their main function is to control the flow of coke oven gas in the buffer tank.

[0003] The root valve at the bottom of the existing compressor is convenient for discharging gas from the tank and injecting gas into the buffer tank when needed. However, when connecting the root valve, the connection port may be worn or even damaged, causing gas leakage, and manual control of opening and closing is required, which consumes manpower and time.

[0004] Therefore, the utility model provides a coke oven gas compressor buffer tank root valve structure to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a root valve structure for a coke oven gas compressor buffer tank, which can prevent the pipe connection from being squeezed and damaged when the gas pipe is connected to transport the gas, and can facilitate the control of the opening and closing of the valve body without manual effort and time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve structure at the root of a buffer tank of a coke oven gas compressor, comprising a valve body and an input pipe, an opening and closing assembly is fixedly arranged at the middle of the bottom surface of the valve body, a threaded groove is opened at the top of the inner side of the input pipe, and sliding grooves are opened at the bottom of both sides of the input pipe, and buffer assemblies are fixedly arranged at both sides of the bottom surface of the input pipe, and bearing plates are fixedly arranged at the upper ends of the two buffer assemblies, and sliders are fixedly arranged at the middle of both sides of the bearing plates, and first sealing rings are fixedly arranged at the lower ends of the two bearing plates;

[0007] The opening and closing assembly includes a receiving groove, two limiting rods, a lifting plate and a driving motor, a screw is fixedly arranged at the output end of the driving motor, a bearing sleeve is fixedly arranged on the inner side of the lifting plate, a threaded sleeve is fixedly arranged on the inner side of the bearing sleeve, fixing rods are fixedly arranged on both sides of the upper surface of the lifting plate, and valve cores are fixedly arranged on the upper ends of the two fixing rods;

[0008] The buffer assembly includes a buffer groove, a hydraulic rod and two extrusion sleeves, a connecting plate is fixedly arranged on the upper end of the hydraulic rod, extrusion rods are fixedly arranged on both sides of the lower end surface of the connecting plate, and shock absorbers are fixedly arranged inside the two extrusion sleeves;

[0009] Through the above technical scheme, the opening and closing component is arranged in the middle of the bottom surface of the valve body, and the gas inside the valve body is conveniently transported and controlled through the opening and closing component, thereby improving the efficiency of controlling the valve body. Through the threaded groove provided on the upper side of the inner side of the inlet pipe, the connection at the lower end of the compressor is connected to the inlet pipe through threads, and the bearing plate is squeezed to squeeze the buffer component, so that the connection is buffered when the connection is made, thereby preventing gas leakage caused by damage during the connection.

[0010] By rotating the screw at the output end of the driving motor in the opening and closing assembly, the bearing sleeve on the inner side of the lifting plate drives the threaded sleeve to be threadedly connected around the screw, driving the two sides of the lifting plate to slide around the limit rod, and the valve core connected to the fixed rods on both sides of the upper surface of the lifting plate controls the gas flow in the valve body to open and close, saving manpower and time consumed by manual opening and closing, and improving the efficiency of controlling the opening and closing of the valve body;

[0011] By arranging the connecting plate in the buffer assembly to be squeezed, the hydraulic rod at the lower end of the connecting plate is contracted, and the extrusion rods on both sides of the lower end surface of the connecting plate slide in the extrusion sleeve, so that the extrusion rods squeeze the shock absorber inside the extrusion sleeve to perform buffering, thereby improving the buffering of the connecting pipe at the lower end of the compressor when connected to the input pipe for gas transportation, and preventing damage and wear caused by extrusion during connection.

[0012] Furthermore, the two sides of the lifting plate are respectively slidably sleeved around the two limit rods, and the threaded sleeve is threadedly connected around the screw rod;

[0013] Through the above technical solution, by setting the limit rods slidingly mounted on both sides of the lifting plate, the lifting plate is made more stable when moving to prevent tilting, and the threaded connection is made around the screw rod by the threaded sleeve to facilitate the rotation of the screw rod to drive the threaded sleeve to rise and fall.

[0014] Furthermore, a second sealing ring is fixedly arranged at the middle of the inner bottom surface of the valve body, a second sealing groove is opened at the lower end of the valve core, and the second sealing ring is clamped and arranged inside the second sealing groove;

[0015] Through the above technical scheme, by setting a second sealing ring fixedly arranged in the middle of the bottom surface of the valve body and by setting a second sealing groove opened at the lower end of the valve core, the second sealing ring is clamped in the second sealing groove, so that the opening and closing assembly is sealed when the gas is transported.

[0016] Furthermore, a first sealing groove is provided in the middle of the inner bottom surface of the input pipe, and the first sealing ring is clamped and arranged inside the first sealing groove;

[0017] Through the above technical solution, by setting the first sealing groove in the middle of the inner bottom of the input pipe and clamping the first sealing groove with the first sealing ring, the gas can be better sealed during transportation.

[0018] Furthermore, the two sliding blocks are slidably arranged in the two sliding grooves respectively, and an input hole is opened in the middle of the upper end surface of the valve body;

[0019] Through the above technical solution, the slider slides in the slide groove, which improves the stability of the bearing plate under extrusion, and the input hole opened at the upper end of the valve body facilitates the gas to enter the interior of the valve body.

[0020] Furthermore, a controller is embedded in the middle of the front end surface of the valve body, and a transparent glass is embedded in the valve body below the controller.

[0021] Through the above technical solution, the driving motor can be conveniently controlled by arranging a controller embedded in the middle of the upper part of the front end surface of the valve body, and the interior of the valve body can be conveniently observed by arranging a transparent glass embedded in the valve body below the controller.

[0022] Furthermore, connecting flanges are fixedly sleeved on both sides of the valve body, and a base is fixedly arranged at the middle of the lower end surface of the valve body;

[0023] Through the above technical solution, the valve body can be conveniently connected by means of the connecting flanges fixedly arranged on both sides of the valve body, and the valve body can be conveniently supported by means of the base fixedly arranged in the middle of the lower end surface of the valve body.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a coke oven gas compressor buffer tank root valve structure, which is connected to the bearing plate by buffer components arranged on both sides of the ground inside the input pipe, so that the input pipe squeezes the bearing plate when connected to the thread groove through the thread, and the hydraulic rod is driven to shrink through the connecting plate in the buffer component, and the extrusion rods on both sides of the lower end surface of the connecting plate slide in the extrusion sleeve to squeeze the shock absorber inside the extrusion sleeve, so that the pipeline is loaded and buffered when the input gas is connected, preventing the problem of gas leakage caused by damage to the input pipe during the threaded connection, and making the gas pipeline not easily damaged when connected to the input.

[0026] 2. The utility model proposes a root valve structure of a buffer tank of a coke oven gas compressor, which drives the lifting plate to move by means of an opening and closing component arranged in the middle of the lower surface of the valve body, a screw rod at the output end of a driving motor, and a threaded sleeve on the inner side of the lifting plate to connect the screw rod, and a bearing sleeve arranged on the outer side of the threaded sleeve allows the two sides of the lifting plate to slide up and down around the limit rod to prevent tilting during movement, so that the valve core connected to the fixed rods on both sides of the upper surface of the lifting plate can control the opening and closing of its input hole, and there is no need for manual operation to control the opening and closing of the valve body, thereby improving the efficiency of the opening and closing control of the valve body and reducing the consumption of effort and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0028] Figure 2 It is a front cross-sectional schematic diagram of the utility model;

[0029] Figure 3 It is an enlarged schematic diagram of point A of the utility model;

[0030] Figure 4 It is an enlarged schematic diagram of point B of the present utility model.

[0031] Legend:

[0032] 1. Valve body; 2. Transparent glass; 3. Base; 4. Connecting flange; 5. Controller; 6. Input pipe; 7. Buffer assembly; 8. Opening and closing assembly; 9. Second sealing ring; 10. Threaded groove; 11. Input hole; 12. Load-bearing plate; 13. First sealing ring; 14. First sealing groove; 15. Slider; 16. Slide; 701. Buffer groove; 702. Hydraulic rod; 703. Shock absorber; 704. Extrusion sleeve; 705. Extrusion rod; 706. Connecting plate; 801. Drive motor; 802. Screw rod; 803. Accommodating groove; 804. Valve core; 805. Fixed rod; 806. Threaded sleeve; 807. Limit rod; 808. Second sealing groove; 809. Lifting plate; 8010. Bearing sleeve. DETAILED DESCRIPTION

[0033] 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.

[0034] Reference Figure 1-4The utility model provides an embodiment: a valve structure at the root of a buffer tank of a coke oven gas compressor, comprising a valve body 1 and an input pipe 6, an opening and closing component 8 is fixedly arranged in the middle of the inner bottom surface of the valve body 1, a threaded groove 10 is provided on the inner side of the input pipe 6, and slide grooves 16 are provided on both sides of the inner bottom surface of the input pipe 6, and buffer components 7 are fixedly arranged on both sides of the inner bottom surface of the input pipe 6, and a bearing plate 12 is fixedly arranged on the upper ends of the two buffer components 7, and a slider 15 is fixedly arranged on the middle of both sides of the bearing plate 12, and a first sealing ring 13 is fixedly arranged at the lower end of the two bearing plates 12, and a first sealing ring 13 is fixedly arranged on ... The opening and closing component 8 in the middle of the bottom surface of the valve body 1 facilitates the control of the gas delivery inside the valve body 1 through the opening and closing component 8, thereby improving the efficiency of controlling the valve body 1. The threaded groove 10 provided on the upper inner side of the inlet pipe 6 allows the connection at the lower end of the compressor to be threadedly connected to the inlet pipe 6, and the bearing plate 12 is squeezed to squeeze the buffer component 7, so that the connection is buffered during the connection to prevent gas leakage caused by damage during the connection, so that the gas is more tightly sealed during transportation, thereby increasing the service life of the valve body 1.

[0035] The opening and closing component 8 includes a receiving groove 803, two limiting rods 807, a lifting plate 809 and a driving motor 801. A screw 802 is fixedly arranged at the output end of the driving motor 801. A bearing sleeve 8010 is fixedly arranged on the inner side of the lifting plate 809. A threaded sleeve 806 is fixedly arranged on the inner side of the bearing sleeve 8010. Fixed rods 805 are fixedly arranged on both sides of the upper end surface of the lifting plate 809. The upper ends of the two fixed rods 805 are fixedly arranged with valve cores 804. The screw rod 802 rotates, so that the bearing sleeve 8010 on the inner side of the lifting plate 809 drives the threaded sleeve 806 to be threadedly connected around the screw rod 802, driving the two sides of the lifting plate 809 to slide around the limit rod 807, and the valve core 804 connected to the fixed rods 805 on both sides of the upper end surface of the lifting plate 809 controls the opening and closing of the gas flow in its valve body 1, saving manpower and time consumed by manual opening and closing, improving the efficiency of controlling the opening and closing of the valve body 1, and can quickly control when the gas is transported.

[0036] The buffer assembly 7 includes a buffer groove 701, a hydraulic rod 702 and two extrusion sleeves 704. A connecting plate 706 is fixedly provided on the upper end of the hydraulic rod 702. Extrusion rods 705 are fixedly provided on both sides of the lower end surface of the connecting plate 706. Shock absorbers 703 are fixedly provided inside the two extrusion sleeves 704. The connecting plate 706 in the buffer assembly 7 is squeezed to shrink the hydraulic rod 702 at the lower end of the connecting plate 706. The extrusion rods 705 on both sides of the lower end surface of the connecting plate 706 slide in the extrusion sleeve 704 to squeeze the shock absorber 703 inside the extrusion sleeve 704 for buffering. This improves the buffering of the connecting pipe at the lower end of the compressor when it is connected to the input pipe 6 for gas transportation, prevents damage and wear caused by squeezing during connection, and provides buffering when the valve body 1 is connected to the compressor.

[0037] The two sides of the lifting plate 809 are respectively slidably sleeved on the two limit rods 807, and the threaded sleeve 806 is threadedly connected to the screw rod 802. The limit rods 807 slidably sleeved on both sides of the lifting plate 809 make the lifting plate 809 more stable when moving to prevent tilting. The threaded sleeve 806 is threadedly connected to the screw rod 802 to facilitate the rotation of the screw rod 802 to drive the threaded sleeve 806 to rise and fall. A second sealing ring 9 is fixedly arranged in the middle of the inner bottom surface of the valve body 1, and a second sealing groove 808 is opened at the lower end of the valve core 804. The second sealing ring 9 is clamped inside the second sealing groove 808. By setting the second sealing ring 9 fixedly arranged in the middle of the inner bottom surface of the valve body 1 and the second sealing groove 808 opened at the lower end of the valve core 804, the second sealing ring 9 is clamped in the second sealing groove 808, so that when the valve body 1 is in contact with the lifting plate 809, the lifting plate 809 can be more stable and prevent tilting. When the gas is transported, the opening and closing component 8 is sealed. A first sealing groove 14 is provided in the middle of the inner bottom surface of the input pipe 6. The first sealing ring 13 is clamped and arranged inside the first sealing groove 14. The first sealing groove 14 is provided in the middle of the inner bottom of the input pipe 6, and the first sealing groove 14 is clamped by the first sealing ring 13, so that the gas is better sealed when it is transported. Two sliders 15 are respectively slidably arranged in two slide grooves 16. An input hole 11 is provided in the middle of the upper end surface of the valve body 1. The slider 15 slides in the slide groove 16 to improve the stability of the bearing plate 12 being squeezed. The input hole 11 provided at the upper end of the valve body 1 facilitates the gas to enter the valve body 1. The first sealing ring 13 clamps and seals the first sealing groove 14, so that when connected to the compressor, the sealing is enhanced while buffering.

[0038] A controller 5 is embedded in the middle of the upper part of the front end face of the valve body 1, and a transparent glass 2 is embedded in the valve body 1 below the controller 5. The controller 5 embedded in the middle of the upper part of the front end face of the valve body 1 is convenient for controlling the drive motor 801, and the transparent glass 2 embedded in the valve body 1 below the controller 5 is convenient for observing the inside of the valve body 1. Connecting flanges 4 are fixedly provided on both sides of the valve body 1, and a base 3 is fixedly provided in the middle of the lower end face of the valve body 1. The connecting flanges 4 fixedly provided on both sides of the valve body 1 facilitate connection of the valve body 1, and the base 3 fixedly provided in the middle of the lower end face of the valve body 1 facilitates bearing support of the valve body 1.

[0039] Working principle: When transporting the compressor gas, the valve body 1 is connected to the connection at the bottom of the compressor, so that the pipeline at the connection is threadedly connected to the thread groove 10 in the input pipe 6 through the thread. When the threaded connection is made to the inside of the input pipe 6, the bearing plate 12 is squeezed to make the sliders 15 on both sides of the bearing plate 12 slide in the slide groove 16, and the buffer component 7 is squeezed to achieve a buffering effect to prevent damage during the connection, and the gas delivery of the valve body 1 is controlled by the opening and closing component 8 in the middle of the bottom surface of the valve body 1, which does not require human labor and time, thereby improving the efficiency of controlling the valve body 1.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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.

Claims

1. A coke oven gas compressor buffer tank root valve structure, comprising a valve body (1) and an inlet pipe (6), characterized in that: An opening and closing assembly (8) is fixedly arranged in the middle of the inner bottom surface of the valve body (1), a threaded groove (10) is opened at the upper side of the inner side of the input pipe (6), sliding grooves (16) are opened at the lower sides of the inner side of the input pipe (6), buffer assemblies (7) are fixedly arranged on both sides of the inner bottom surface of the input pipe (6), a bearing plate (12) is fixedly arranged on the upper ends of the two buffer assemblies (7), a sliding block (15) is fixedly arranged in the middle of both sides of the bearing plate (12), and a first sealing ring (13) is fixedly arranged at the lower ends of the two bearing plates (12); The opening and closing assembly (8) comprises a receiving groove (803), two limiting rods (807), a lifting plate (809) and a driving motor (801); a screw rod (802) is fixedly arranged at the output end of the driving motor (801); a bearing sleeve (8010) is fixedly arranged on the inner side of the lifting plate (809); a threaded sleeve (806) is fixedly arranged on the inner side of the bearing sleeve (8010); fixing rods (805) are fixedly arranged on both sides of the upper end surface of the lifting plate (809); and valve cores (804) are fixedly arranged on the upper ends of the two fixing rods (805); The buffer assembly (7) comprises a buffer groove (701), a hydraulic rod (702) and two extrusion sleeves (704); a connecting plate (706) is fixedly arranged on the upper end of the hydraulic rod (702); extrusion rods (705) are fixedly arranged on both sides of the lower end surface of the connecting plate (706); and shock absorbers (703) are fixedly arranged inside the two extrusion sleeves (704).

2. A coke oven gas compressor buffer tank root valve structure according to claim 1, characterized in that: The two sides of the lifting plate (809) are respectively slidably sleeved around the two limit rods (807), and the threaded sleeve (806) is threadedly connected to the screw rod (802).

3. The coke oven gas compressor buffer tank root valve structure according to claim 1, characterized in that: A second sealing ring (9) is fixedly arranged in the middle of the inner bottom surface of the valve body (1), a second sealing groove (808) is opened at the lower end of the valve core (804), and the second sealing ring (9) is clamped and arranged inside the second sealing groove (808).

4. The coke oven gas compressor buffer tank root valve structure according to claim 1, characterized in that: A first sealing groove (14) is provided in the middle of the inner bottom surface of the input pipe (6), and the first sealing ring (13) is clamped and arranged inside the first sealing groove (14).

5. The coke oven gas compressor buffer tank root valve structure according to claim 1, characterized in that: The two sliding blocks (15) are respectively slidably arranged inside the two sliding grooves (16), and an input hole (11) is opened in the middle of the upper end surface of the valve body (1).

6. The coke oven gas compressor buffer tank root valve structure according to claim 1, characterized in that: A controller (5) is embedded in the middle of the front end surface of the valve body (1), and a transparent glass (2) is embedded in the valve body (1) below the controller (5).

7. The coke oven gas compressor buffer tank root valve structure according to claim 1, characterized in that: Connecting flanges (4) are fixedly sleeved on both sides of the valve body (1), and a base (3) is fixedly arranged in the middle of the lower end surface of the valve body (1).

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