Automatic blowdown device for gas storage tank

Abstract

The utility model discloses an automatic blowdown device for a gas storage tank, which relates to the technical field of design of automatic blowdown devices and comprises a gas storage tank, a filtering and purifying unit and an automatic blowdown unit, a blowdown hole is arranged on the lower side of the gas storage tank and extends into the gas storage tank, and a sealing circular plate is arranged on the lower side of the gas storage tank and corresponds to the blowdown hole. The sealing circular plate is provided with the filtering and purifying unit, the automatic pollution discharge unit comprises a pollution discharge main body, a pollution discharge cavity, a limiting cylinder, a control floating ball, a limiting baffle, a water outlet pipeline and a water outlet nozzle, the pollution discharge main body is arranged at the position, on the rear side of a circulating circular pipe, in the filtering and purifying unit, and the pollution discharge cavity is formed in the pollution discharge main body. The device can automatically discharge sewage without affecting the sewage discharge efficiency, can filter sewage, is not easy to damage, and does not affect the sewage discharge use.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic sewage discharge device design, in particular to an automatic sewage discharge device for a gas storage tank. Background Art

[0002] A gas tank is a device specially used to store gas, and it also plays a role in stabilizing the system pressure. According to the pressure that the gas tank can withstand, it can be divided into high-pressure gas tanks, low-pressure gas tanks, and normal-pressure gas tanks. According to the different materials of the gas tank, it can be divided into: carbon steel gas tanks, low-alloy steel gas tanks, and stainless steel gas tanks. A gas tank (pressure vessel) is generally composed of parts and components such as a cylinder, a head, a flange, a pipe, a sealing element, and a support. When storing gas, the air compressor on the gas tank will produce wastewater, which affects gas storage. In order to facilitate the treatment of wastewater, an automatic sewage discharge device for the gas tank is required for sewage discharge.

[0003] The existing automatic sewage discharge device of the gas storage tank has the problem that when in use, the valve needs to be opened manually, which affects the sewage discharge efficiency, fails to filter the sewage, and is easy to cause damage to the device, affecting the sewage discharge use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automatic sewage discharge device for a gas storage tank. When in use, sewage can be discharged automatically without affecting the sewage discharge efficiency, sewage can be filtered, and it is not easy to cause damage to the device, and the use of sewage discharge is not affected, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic sewage discharge device for a gas storage tank, comprising a gas storage tank, a filtering and purification unit, and an automatic sewage discharge unit;

[0006] Gas tank: a drain hole is provided on the lower side, the drain hole extends into the gas tank, a sealing circular plate is provided on the lower side of the gas tank at a position corresponding to the drain hole, and a filtering and purification unit is provided on the sealing circular plate;

[0007] Automatic sewage discharge unit: comprises a sewage discharge body, a sewage discharge cavity, a limiting cylinder, a control float, a limiting baffle, a water outlet pipe and a water outlet nozzle. The sewage discharge body is arranged at the rear side of the circulation circular tube in the filtering and purification unit. The sewage discharge body is provided with a sewage discharge cavity, and a drainage hole is provided at the bottom end of the sewage discharge cavity. A water outlet circular hole 1 is provided on the rear side surface of the sewage discharge body, and the water outlet circular hole 1 extends into the drainage hole. A water outlet circular hole 2 is provided on the front side surface of the sewage discharge body, and the water outlet circular hole 2 extends into the sewage discharge cavity. One end of the circulation circular tube extends into the water outlet circular hole 2. A sealing rubber sleeve is sleeved on the connection between the sewage discharge body and the circulation circular pipe, a limiting cylinder is fixedly connected to the top surface of the sewage discharge cavity, the lower end of the limiting cylinder extends into the drainage hole, a limiting baffle is fixedly sleeved on the position of the limiting cylinder in the drainage hole, a control float is slidably sleeved on the limiting cylinder, a sealing block is provided on the control float, the sealing block is fixedly connected to the drainage hole, the rear side surface of the sewage discharge body is located at the edge of the water outlet circular hole and is fixedly connected to one end of the water outlet pipe, and the other end of the water outlet pipe is fixedly connected to the water outlet nozzle.

[0008] The gas tank is used to store gas, the sealing disc is used to seal the sewage pipe, the filtering and purification unit is used to filter and purify sewage, the sewage body is used to discharge sewage automatically, the sewage cavity is used to store wastewater to facilitate the discharge of wastewater, the limiting cylinder is used to limit the movement of the control float to make the movement of the control float more stable, the limiting baffle is used to limit the control float to prevent the control float from falling off, the water outlet pipe is used to let the wastewater flow out, and the water outlet nozzle is used to let the wastewater flow out, so as to automatically discharge sewage, and the sewage flows into the sewage cavity, and the buoyancy is used to make the control float float, thereby opening the drain hole, so as to let the sewage flow out, so as to perform automatic sewage discharge.

[0009] Furthermore, the automatic sewage discharge unit also includes a waste liquid collection box and a fixed cover plate. A waste liquid collection box is arranged at the rear side of the sewage discharge main body. A rectangular hole is opened on the upper surface of the waste liquid collection box, and the rectangular hole extends into the waste liquid collection box. The rectangular hole is fixedly connected with the fixed cover plate by bolts. The upper surface of the fixed cover plate is movably connected with the pulling handrail through a pin shaft. A water inlet hole is opened on the front surface of the waste liquid collection box, and the water inlet hole extends into the waste liquid collection box. The rear end of the water outlet pipe passes through the water inlet hole and extends into the waste liquid collection box. The water outlet nozzle is arranged in the waste liquid collection box. A stable support block is fixedly connected to the four corners of the lower surface of the waste liquid collection box respectively. A sealing sleeve is sleeved at the connection of the water outlet pipe on the waste liquid collection box.

[0010] The waste liquid collection box is used to collect waste water, and the fixed cover plate is used to seal and fix the waste liquid collection box, thereby collecting waste water.

[0011] Furthermore, the automatic sewage discharge unit also includes a filter screen plate, and the second water outlet circular hole on the sewage discharge body is fixedly connected to the filter screen plate through a rubber sleeve, and the filter screen plate is provided with a plurality of filter circular holes in an annular array.

[0012] The filter screen is used to filter waste water and prevent impurities from flowing into the device, thereby facilitating the flow of waste water.

[0013] Furthermore, the filtering and purification unit includes a connecting pipe, a sealing strip, a drainage cone funnel and a snap buckle, a sealing groove is provided on the lower side of the gas storage tank at the edge of the sewage discharge hole, a sealing strip is fixedly connected to the upper surface of the sealing circular plate, the sealing strip is fixedly snapped with the corresponding sealing groove, a circular hole is provided on the sealing circular plate, the circular hole passes through the upper and lower sides of the sealing circular plate, the circular hole is fixedly snapped with the connecting pipe through a rubber strip, the upper end of the connecting pipe extends into the sewage discharge hole and is fixedly snapped with the drainage cone funnel, the drainage cone funnel is fixedly connected to the inner surface of the gas storage tank, the two sides of the end surface of the sealing circular plate are respectively fixedly connected with a snap buckle, and the two sides of the gas storage tank are respectively fixedly connected with a snap buckle at the positions corresponding to the two snap buckles, the two snap buckles are respectively fixedly snapped with the corresponding snap buckles, and the sealing circular plate is fixedly snapped with the gas storage tank through the snap buckle.

[0014] The sealing strip is used to seal the sealing circular plate, the snap buckle is used to fix the sealing circular plate on the gas tank, the connecting pipe is used to allow waste water to flow out, thereby facilitating sewage discharge, and the drainage cone funnel is used to allow internal waste water to flow into the connecting pipe, thereby facilitating use.

[0015] Furthermore, the filtering and purification unit also includes a filter and a purification filter element. The lower end of the connecting pipe is fixedly connected to the water inlet hole on the filter, and a purification filter element is fixedly connected in the filter.

[0016] The filter is used to fix the purification filter element, and the purification filter element is used to filter and purify waste water to prevent impurities from damaging the device, thereby facilitating use.

[0017] Furthermore, the filtering and purification unit also includes a circulation circular tube, one end of which is fixedly connected to the water outlet hole on the filter, and the other end of the circulation circular tube extends to the second water outlet circular hole on the sewage discharge body.

[0018] The circulation tube is used to allow the filtered wastewater to flow into the sewage discharge body, so that the wastewater can be discharged automatically, thereby facilitating the circulation of the wastewater.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The automatic sewage discharge device of the gas storage tank has the following advantages: an automatic sewage discharge unit is provided, and the sewage is automatically discharged through the sewage discharge body, the sewage discharge cavity is used to store wastewater, and it is convenient for the sewage to be discharged, the limit cylinder is used to limit the movement of the control float to make the movement of the control float more stable, the limit baffle is used to limit the position to prevent the control float from falling off, the outlet pipe is used to let the wastewater flow out, and the outlet nozzle is used to let the wastewater flow out, so as to automatically discharge the sewage, and the sewage flows into the sewage discharge cavity, and the control float floats by buoyancy, thereby opening the drainage hole, so as to let the sewage flow out, the waste liquid collection box is used to collect the wastewater, the fixed cover plate is used to seal and fix the waste liquid collection box, and the filter screen is used to filter the wastewater to prevent impurities from flowing into the device, so as to automatically discharge the sewage;

[0021] 2. The automatic sewage discharge device of the gas storage tank has the following advantages: a filtering and purification unit is provided, a sealing strip is used to seal the sealing circular plate, a snap-on buckle is used to fix the sealing circular plate on the gas storage tank, a connecting pipe is used to allow the waste water to flow out, thereby facilitating sewage discharge, a drainage cone funnel is used to allow the internal waste water to flow into the connecting pipe, a filter is used to fix the purification filter element, the purification filter element is used to filter and purify the waste water, and prevent impurities from damaging the ring device, and a circulation pipe is used to allow the filtered waste water to flow into the sewage discharge body, so that the waste water can be automatically discharged to filter the sewage;

[0022] 3. The automatic sewage discharge device of the gas tank has the following advantages: when in use, it can automatically discharge sewage without affecting the sewage discharge efficiency, can filter sewage, is not easy to cause damage to the device, and does not affect the use of sewage discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0024] Figure 2 This is a front sectional structural schematic diagram of the utility model;

[0025] Figure 3 For this utility model Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0026] Figure 4 It is a partial cross-sectional structural schematic diagram of the automatic sewage discharge unit of the utility model.

[0027] In the figure: 1 gas storage tank, 2 sealing circular plate, 3 filtering and purifying unit, 31 connecting pipe, 32 sealing strip, 33 drainage cone funnel, 34 filter, 35 purification filter element, 36 circulation circular tube, 37 snap buckle, 4 automatic sewage discharge unit, 41 sewage discharge body, 42 sewage discharge cavity, 43 limiting cylinder, 44 control float, 45 limiting baffle, 46 water outlet pipe, 47 water outlet nozzle, 48 filter screen plate, 49 waste liquid collection box, 410 fixed cover plate. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-4 , This embodiment provides a technical solution: an automatic sewage discharge device for a gas storage tank, comprising a gas storage tank 1, a filtering and purification unit 3, and an automatic sewage discharge unit 4;

[0030] Gas storage tank 1: A drain hole is provided on the lower side, and the drain hole extends into the gas storage tank 1. A sealing circular plate 2 is provided on the lower side of the gas storage tank 1 at a position corresponding to the drain hole, and a filtering and purification unit 3 is provided on the sealing circular plate 2;

[0031] Automatic sewage discharge unit 4: includes sewage discharge body 41, sewage discharge cavity 42, limiting cylinder 43, control float 44, limiting baffle 45, water outlet pipe 46 and water outlet nozzle 47. The sewage discharge body 41 is arranged at the rear side of the circulation tube 36 in the filtration purification unit 3. A sewage discharge cavity 42 is provided in the sewage discharge body 41. A drainage hole is provided at the bottom end of the sewage discharge cavity 42. A water outlet circular hole 1 is provided on the rear surface of the sewage discharge body 41, and the water outlet circular hole 1 extends into the drainage hole. A water outlet circular hole 2 is provided on the front surface of the sewage discharge body 41, and the water outlet circular hole 2 extends into the sewage discharge cavity 42. One end of the circulation tube 36 extends to the water outlet circular hole Second, a sealing rubber sleeve is sleeved on the connection between the sewage discharge body 41 and the circulation circular tube 36, and a limiting cylinder 43 is fixedly connected to the top surface of the sewage discharge cavity 42, and the lower end of the limiting cylinder 43 extends into the drainage hole, and a limiting baffle 45 is fixedly sleeved on the limiting cylinder 43 at the position in the drainage hole, and a control float 44 is slidably sleeved on the limiting cylinder 43. A sealing block is provided on the control float 44, and the sealing block is fixedly connected to the drainage hole. The rear side surface of the sewage discharge body 41 is located at the edge of the water outlet circular hole and is fixedly connected to one end of the water outlet pipe 46, and the other end of the water outlet pipe 46 is fixedly connected to the water outlet nozzle 47.

[0032] The gas storage tank 1 is used to store gas, the sealing circular plate 2 is used to seal the sewage pipe, the filtering and purification unit 3 is used to filter and purify sewage, the sewage discharge body 41 is used to automatically discharge sewage, the sewage discharge cavity 42 is used to store wastewater to facilitate the discharge of wastewater, the limiting cylinder 43 is used to limit the movement of the control float 44 to make the movement of the control float 44 more stable, the limiting baffle 45 is used to limit the control float 44 to prevent the control float 44 from falling off, the water outlet pipe 46 is used to let the wastewater flow out, and the water outlet nozzle 47 is used to let the wastewater flow out, so as to automatically discharge sewage, and the sewage flows into the sewage discharge cavity 42, and the buoyancy is used to make the control float 44 float up, thereby opening the drainage hole, so as to let the sewage flow out, so as to perform automatic sewage discharge.

[0033] The automatic sewage discharge unit 4 also includes a waste liquid collection box 49 and a fixed cover plate 410. A waste liquid collection box 49 is arranged at the rear side of the sewage discharge body 41. A rectangular hole is opened on the upper surface of the waste liquid collection box 49, and the rectangular hole extends into the waste liquid collection box 49. The rectangular hole is fixedly connected with the fixed cover plate 410 by bolts. The upper surface of the fixed cover plate 410 is movably connected with the pulling handrail through a pin shaft. A water inlet hole is opened on the front surface of the waste liquid collection box 49, and the water inlet hole extends into the waste liquid collection box 49. The rear end of the water outlet pipe 46 passes through the water inlet hole and extends into the waste liquid collection box 49. The water outlet nozzle 47 is arranged in the waste liquid collection box 49. A stable support block is fixedly connected to the four corners of the lower surface of the waste liquid collection box 49 respectively. A sealing sleeve is sleeved at the connection between the waste liquid collection box 49 and the water outlet pipe 46.

[0034] The waste liquid collection box 49 is used to collect waste water, and the fixed cover plate 410 is used to seal and fix the waste liquid collection box 49, thereby collecting waste water.

[0035] The automatic sewage discharge unit 4 further comprises a filter screen plate 48 . The second water outlet circular hole on the sewage discharge body 41 is fixedly connected to the filter screen plate 48 through a rubber sleeve. The filter screen plate 48 is provided with a plurality of filter circular holes in an annular array.

[0036] The filter screen 48 is used to filter the waste water to prevent impurities from flowing into the device, thereby facilitating the flow of waste water.

[0037] The filtering and purification unit 3 includes a connecting pipe 31, a sealing strip 32, a drainage cone funnel 33 and a snap-on buckle 37. A sealing groove is provided on the lower side of the gas storage tank 1 at the edge of the sewage discharge hole. A sealing strip 32 is fixedly connected to the upper surface of the sealing circular plate 2, and the sealing strip 32 is fixedly snap-connected with the corresponding sealing groove. A circular hole 1 is provided on the sealing circular plate 2, and the circular hole 1 runs through the upper and lower sides of the sealing circular plate 2. The circular hole 1 is fixedly snap-connected with the connecting pipe 31 through a rubber strip. The upper end of the connecting pipe 31 extends into the sewage discharge hole and is fixedly snap-connected with the drainage cone funnel 33. The drainage cone funnel 33 is fixedly connected to the inner surface of the gas storage tank 1. A snap-on block is fixedly connected to both sides of the end surface of the sealing circular plate 2. A snap-on buckle 37 is fixedly connected to both sides of the gas storage tank 1 at the positions corresponding to the two snap-on blocks. The two snap-on blocks are fixedly snap-connected with the corresponding snap-on buckles 37 respectively, and the sealing circular plate 2 is fixedly snap-connected to the gas storage tank 1 through the snap-on buckle 37.

[0038] The sealing strip 32 is used to seal the sealing circular plate 2, the snap-fit ​​buckle 37 is used to fix the sealing circular plate 2 on the gas storage tank 1, the connecting pipe 31 is used to allow waste water to flow out, thereby facilitating sewage discharge, and the drainage cone funnel 33 is used to allow internal waste water to flow into the connecting pipe 31, thereby facilitating use.

[0039] The filtering and purifying unit 3 further comprises a filter 34 and a purifying filter element 35 . The lower end of the connecting pipe 31 is fixedly connected to the water inlet hole on the filter 34 , and a purifying filter element 35 is fixedly connected inside the filter 34 .

[0040] The filter 34 is used to fix the purification filter element 35, and the purification filter element 35 is used to filter and purify the waste water to prevent impurities from damaging the device, thereby facilitating use.

[0041] The filtering and purifying unit 3 further comprises a circulation circular tube 36 , one end of which is fixedly connected to the water outlet hole on the filter 34 , and the other end of the circulation circular tube 36 extends to the second water outlet circular hole on the sewage discharge body 41 .

[0042] The circulation tube 36 is used to allow the filtered waste water to flow into the sewage discharge body 41, so that the waste water can be discharged automatically, thereby facilitating the circulation of the waste water.

[0043] The working principle of the automatic sewage discharge device of a gas tank provided by the utility model is as follows: first, the sealing strip 32 is used to seal the sealing circular plate 2, the snap-on buckle 37 is used to fix the sealing circular plate 2 on the gas tank 1, the connecting pipe 31 is used to allow the waste water to flow out, thereby facilitating sewage discharge, the drainage cone funnel 33 is used to allow the internal waste water to flow into the connecting pipe 31, the filter 34 is used to fix the purification filter element 35, the purification filter element 35 is used to filter and purify the waste water to prevent impurities from damaging the ring device, the circulation tube 36 is used to allow the filtered waste water to flow into the sewage discharge body 41, so that the waste water can be automatically discharged to filter the sewage, and at the same time the sewage discharge body 41 is used to allow the sewage to be automatically discharged, and the sewage discharge cavity 42 is used to store the waste water , it is convenient for waste water to be discharged. The limiting cylinder 43 is used to limit the movement of the control float 44 to make the movement of the control float 44 more stable. The limiting baffle 45 is used to limit the movement to prevent the control float 44 from falling off. The outlet pipe 46 is used to allow the waste water to flow out. The outlet nozzle 47 is used to allow the waste water to flow out, so as to automatically discharge the sewage. The sewage flows into the sewage discharge cavity 42, and the buoyancy is used to make the control float 44 float up, thereby opening the drain hole to allow the sewage to flow out. The waste liquid collection box 49 is used to collect waste water. The fixed cover plate 410 is used to seal and fix the waste liquid collection box 49. The filter screen plate 48 is used to filter the waste water to prevent impurities from flowing into the device, so as to automatically discharge sewage.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Automatic sewage discharge device for gas storage tank, characterized by: It comprises a gas storage tank (1), a filtering and purification unit (3), and an automatic sewage discharge unit (4); The gas storage tank (1) has a drain hole on its lower side, the drain hole extending into the gas storage tank (1), a sealing circular plate (2) is provided on the lower side of the gas storage tank (1) at a position corresponding to the drain hole, and a filtering and purification unit (3) is provided on the sealing circular plate (2); The automatic sewage discharge unit (4) comprises a sewage discharge body (41), a sewage discharge cavity (42), a limiting cylinder (43), a control float (44), a limiting baffle (45), a water outlet pipe (46) and a water outlet nozzle (47). The sewage discharge body (41) is arranged at the rear side of the circulation tube (36) in the filtering and purification unit (3). The sewage discharge body (41) is provided with a sewage discharge cavity (42). A drainage hole is arranged at the bottom end of the sewage discharge cavity (42). A water outlet circular hole 1 is arranged on the rear side surface of the sewage discharge body (41), and the water outlet circular hole 1 extends into the drainage hole. A water outlet circular hole 2 is arranged on the front side surface of the sewage discharge body (41), and the water outlet circular hole 2 extends into the sewage discharge cavity (42). One end of the circulation tube (36) extends to the outlet. In the second circular water hole, a sealing rubber sleeve is sleeved on the sewage discharge body (41) at the connection position with the circulation circular tube (36), a limiting cylinder (43) is fixedly connected to the top surface of the sewage discharge cavity (42), the lower end of the limiting cylinder (43) extends into the drainage hole, a limiting baffle (45) is fixedly sleeved on the limiting cylinder (43) at the position in the drainage hole, a control float (44) is slidably sleeved on the limiting cylinder (43), a sealing block is provided on the control float (44), and the sealing block is fixedly clamped with the drainage hole, the rear side surface of the sewage discharge body (41) is located at the edge of the water outlet circular hole and is fixedly clamped with one end of the water outlet pipe (46), and the other end of the water outlet pipe (46) is fixedly clamped with the water outlet nozzle (47).

2. The automatic sewage discharge device for a gas storage tank according to claim 1, characterized in that: The automatic sewage discharge unit (4) further comprises a waste liquid collection box (49) and a fixed cover plate (410). A waste liquid collection box (49) is arranged at the rear side of the sewage discharge body (41). A rectangular hole is provided on the upper surface of the waste liquid collection box (49). The rectangular hole extends into the waste liquid collection box (49). The rectangular hole is fixedly connected to the fixed cover plate (410) by bolts. The upper surface of the fixed cover plate (410) is movably connected to the pull handrail by a pin shaft. The front surface of the waste liquid collection box (49) is provided with a water inlet hole, the water inlet hole extends into the waste liquid collection box (49), the rear end of the water outlet pipe (46) passes through the water inlet hole and extends into the waste liquid collection box (49), the water outlet nozzle (47) is arranged in the waste liquid collection box (49), and a stable support block is fixedly connected to each of the four corners of the lower surface of the waste liquid collection box (49), and a sealing sleeve is sleeved at the connection between the waste liquid collection box (49) and the water outlet pipe (46).

3. The automatic sewage discharge device for a gas storage tank according to claim 1, characterized in that: The automatic sewage discharge unit (4) further comprises a filter screen plate (48), wherein the second water outlet circular hole on the sewage discharge body (41) is fixedly connected to the filter screen plate (48) via a rubber sleeve, and the filter screen plate (48) is provided with a plurality of filter circular holes in an annular array.

4. The automatic sewage discharge device for a gas storage tank according to claim 1, characterized in that: The filtering and purifying unit (3) comprises a connecting pipe (31), a sealing strip (32), a drainage cone funnel (33) and a snap-on buckle (37); a sealing groove is provided on the lower side of the gas storage tank (1) at the edge of the sewage discharge hole; a sealing strip (32) is fixedly connected to the upper surface of the sealing circular plate (2); the sealing strip (32) is fixedly snap-connected with the corresponding sealing groove; a circular hole (1) is provided on the sealing circular plate (2); the circular hole (1) penetrates the upper and lower sides of the sealing circular plate (2); the circular hole (1) is fixedly snap-connected with the connecting pipe (31) through a rubber strip. The upper end of the connecting pipe (31) extends into the sewage discharge hole and is fixedly connected to the drainage cone funnel (33); the drainage cone funnel (33) is fixedly connected to the inner surface of the gas storage tank (1); two sides of the end surface of the sealing circular plate (2) are respectively fixedly connected to a clamping block; two sides of the gas storage tank (1) are respectively fixedly connected to a clamping buckle (37) at positions corresponding to the two clamping blocks; the two clamping blocks are respectively fixedly connected to the corresponding clamping buckles (37); and the sealing circular plate (2) is fixedly connected to the gas storage tank (1) via the clamping buckle (37).

5. The automatic sewage discharge device for a gas storage tank according to claim 4, characterized in that: The filtering and purifying unit (3) further comprises a filter (34) and a purifying filter element (35); the lower end of the connecting pipe (31) is fixedly connected to the water inlet hole on the filter (34); and a purifying filter element (35) is fixedly connected to the filter (34).

6. The automatic sewage discharge device for a gas storage tank according to claim 5, characterized in that: The filtering and purifying unit (3) further comprises a circulation circular tube (36), one end of the circulation circular tube (36) being fixedly clamped to the water outlet hole on the filter (34), and the other end of the circulation circular tube (36) extending to the second water outlet circular hole on the sewage discharge body (41).

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